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WO2018165777A1 - Tondeuse à gazon à trois roues ayant une seule roue avant et deux roues arrière qui utilisent une tige pour synchroniser un mouvement vertical pour le réglage de hauteur - Google Patents

Tondeuse à gazon à trois roues ayant une seule roue avant et deux roues arrière qui utilisent une tige pour synchroniser un mouvement vertical pour le réglage de hauteur Download PDF

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Publication number
WO2018165777A1
WO2018165777A1 PCT/CN2017/000228 CN2017000228W WO2018165777A1 WO 2018165777 A1 WO2018165777 A1 WO 2018165777A1 CN 2017000228 W CN2017000228 W CN 2017000228W WO 2018165777 A1 WO2018165777 A1 WO 2018165777A1
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WO
WIPO (PCT)
Prior art keywords
wheel
rod
lawn mower
height
height adjustment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2017/000228
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English (en)
Chinese (zh)
Inventor
苏克
叶晓波
H.P.安祺莉卡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ningbo Daye Garden Equipment Co Ltd
Original Assignee
Ningbo Daye Garden Equipment Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ningbo Daye Garden Equipment Co Ltd filed Critical Ningbo Daye Garden Equipment Co Ltd
Priority to PCT/CN2017/000228 priority Critical patent/WO2018165777A1/fr
Publication of WO2018165777A1 publication Critical patent/WO2018165777A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/416—Flexible line cutters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D69/00—Driving mechanisms or parts thereof for harvesters or mowers
    • A01D69/10—Brakes

Definitions

  • the present invention relates to a lawn mower for manipulating lawns in places such as courtyards, parks, and roads.
  • Three wheels are used to eliminate one wheel of a conventional four-wheel mower, making turning and reversing more flexible.
  • a three-wheeled lawn mower with a flat-bar rotation angle for pitching the front wheel and a bumper for the front of the lawn mower chassis and a belt provided in the middle of the lawn mower chassis The function of the wave plate brake and the series motor motor mower with both the grass head and the reel is improved, and the front wheel and the rear wheel are simultaneously adjusted up and down.
  • Three-wheeled lawn mower Three-wheeled lawn mower.
  • Lawn mowers are widely used to cut grass in the manner chosen by people's preferences. Some operators who like to use and use the lawn mower, make a little greater strength on the upper armrest of the second half and have a feeling of relying and pressing down, which invisibly increases the possibility of the front wheel's lifting and hanging.
  • the mower should also be designed to take care of the comfort and convenience of the user.
  • the lawn mower using a gasoline engine has less frontal tilt because the engine is heavier. However, there are also undesirable phenomena such as the front bend, especially the front left front wheel.
  • the front wheel tilting phenomenon of the electric lawn mower is more common because the motor is lighter than the engine, and the motor shaft is driven by a lawn cutter with a large turning diameter, and cannot be installed too far. .
  • FIG. 10 Another common lawn mower, as shown in Figure 10, shows the grass head explosion diagram. Without the knife, the string motor drives the grass head with nylon thread.
  • the lawnmower When the lawnmower is installed and the nylon thread in the reel 25-3 is rotated, the grass can be hit.
  • the line is short, the operator presses the hole, and the aluminum head 25-3b of the reel hits the ground to compress the reel spring 25-1, and the reel 25-3 is rotated to pass the nylon thread 134 therein.
  • Line eye insert 25-6 and put the line.
  • the over-extended line is trimmed by the blade 127.
  • the blade sleeve 126 When not in use, the blade sleeve 126 is placed on the blade 127 for protection. It has a good effect on grass and grass, and it is lighter and more energy-efficient than a knife. However, it is not necessary to install it on a conventional lawn mower with wheels. Can you save one wheel of a typical four-wheel mower, making turning and reversing more flexible?
  • the usual lawn mowers are widely used in engines and have a wide range of activities, but they consume fuel and pollute the environment. Some operators prefer electric lawn mowers, but due to power restrictions, the widespread adoption of such lawn mowers is also limited.
  • a flexible three-wheeled lawn mower is required on a narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the same front wheel and rear double wheel.
  • the friction block is red when it is pressed and held, the friction block is not easy to be red when the tension is loose.
  • the grass sometimes contains steel hard objects, and occasionally the knife or the tipping mower; if the current side collides with the outer rubber skin of the live bracket and the slide rod of the live bracket is retracted, the limit switch is triggered to facilitate collision prevention.
  • Anti-collision security and ensuring braking, mowing and grassing are optional, and there are wires and large areas. These are easy to do and have always been the problem of electric lawn mowers.
  • the reel is mounted on the electric lawn mower, not only to replace the counterweight, but also to advance and retreat.
  • the reel is installed in the front and middle of the mower, and the outlets are all from the ground. High, so it is not easy to be stepped on or pressed.
  • the invention relates to a lawn mower for manipulating lawns in places such as courtyards, parks and roads, and a novel offset series motor electric lawn mower, which has both a grass head and a cord reel.
  • the mower is mainly equipped with three major assemblies on the ordinary lawn mower, that is, a battery bracket assembly, a cutting device assembly for pulling the rotating rod and the grass head, and a reeling device.
  • the bracket is provided with a movable storage bracket for placing the battery in front of the lawn mower; the cutting device is arranged in the middle of the lawn mower, and the cutting device can be used in two types, one is cutting
  • the lawn mower in the center of the grass machine has a plastic knife holder with a fan, and the other is to transplant the nylon thread of the reel in the upper wheel of the original lawn mower to the lawn mower, which is not installed in the center of the lawn mower.
  • the biased series motor is dragged; because the offset series motor gives up the central axis position, it is possible to make the central shaft hollow, so that the rotating rod can be pulled by the center wire of the present invention to make the reel Putting the line, thus breaking the grass head nylon wire cutting device can not be used for mowing History; and because of the use of a winding device with a variety of damping mechanisms, a variety of complementary more reliable, that is, by the centrifugal slow retraction device, side piston damping device, position lock and ball position lock, reverse resistance mechanism, row
  • the winding device complemented by the tube angle groove damping mechanism greatly increases the mowing range of the conventional electric lawn mower.
  • the main improvement is that the front part of the lawn mower is provided with a movable extraction bracket for placing the battery; the cutting device provided in the middle of the lawn mower is driven by a series excitation motor which is not mounted at the center; Two kinds are available, one is a knife with a fan plastic knife seat, and the other is to transplant the nylon thread of the reel in the upper wheel of the original lawnmower to the lawn mower; the biased series motor is given out.
  • the central shaft position can be used to pull the rotating rod with the center wire of the invention, so that the aluminum head of the reel can be put on the line, thereby breaking the history that the nylon thread cutting device can not be used for the lawn mower;
  • Winding device for various damping mechanisms namely centrifugal slow retracting device, side piston damping device, position lock, reverse resistance machine
  • the structure, the flap spring damper mechanism, and the winding device complementary to the angle damper mechanism of the pipe arranging device greatly increase the mowing range of the electric electric lawn mower with ordinary electric wires. Perhaps it can be said that a mower that has both a grass head and a reel is created, such a new technical field.
  • the function wave disk brake is an uneven disk that undulates according to the waveform, in order to facilitate the relaxation of a brake.
  • the parameters are computer molding, which can be produced in batches.
  • the brakes are also equipped with axial functions. The shaft of the raised friction block; and the pulley with internal internal teeth; and the radial centrifugal block with multiple arc teeth, the machine benefits to enhance the anti-collision insurance and braking effect, mowing the grass Optional, the active area is too large for electric lawn mowers.
  • the anti-collision brake is further used. Therefore, for the sake of clarity, the electric lawn mower with the grass head and the reel is described first.
  • the technical solution adopted by the electric lawn mower to solve its technical problems is:
  • the utility model relates to a series motor electric lawn mower, which is a lawn mower which has both a grass head and a cord reel.
  • the main purpose is to add three major assemblies on a common lawn mower, that is, a battery bracket assembly is provided.
  • a cutting device assembly with a pulling rod and a grass cutting head disposed in the middle of the lawn mower driven by the series motor, and a reel assembly;
  • the bracket is a lawn mower
  • the front part is provided with a movable extraction bracket for placing the battery;
  • the cutting device has two types, one is a lawn cutter on the center of the lawn mower, and a knife seat with a plastic fan is provided for guiding and insulating;
  • the other is to transplant the nylon thread of the reel in the reel of the original lawnmower to the lawn mower.
  • the center pull wire of the invention pulls the rotating rod to make the reeling line, thereby breaking the history that the nylon thread cutting device can not be used for the lawn mower; and then setting the random coil in the lawn mower to form a kind of
  • a lawn mower with a grass cutter and a reel which is called a series motor according to the usual method.
  • the mobile lawn mower; the battery bracket assembly is fixed to the fixed seat (90c) of the bracket seat of the lawn mower chassis, and the pullable rod (90a) and the limit position (90b) are pulled out.
  • the slide bar (90a) of the live bracket (90) is fitted in the fixed seat (90c) of the bracket seat
  • the battery can be placed thereon;
  • the cutting device assembly provided in the middle of the series motor electric lawn mower is not included in the The center is driven by the offset series motor; there are two kinds of cutting devices, one is a knife with a fan plastic knife seat, and the other is a winding inside the wheel of the original grass cutter.
  • the nylon thread of the reel is used as a knife on the lawn mower;
  • the fan plastic seat (85) is provided with a spline groove (85a) which cooperates with the spline (82a) of the large pulley (82);
  • the blade holder 85 is provided with a plurality of fans (85d), and is provided with a plurality of small through holes (85c), preferably hexagonal holes; and the fan is provided with a cutting edge (85b);
  • the knife seat should be made of non-conductive material
  • plastic especially nylon fiber
  • the middle of the series motor electric lawn mower is provided with a cutting device assembly for the grass head and the center wire pulling rod, and the inner frame (76), the series motor (77), motor pulley (84), belt (83), large pulley (82), pull wire (81), pull rod (78), thrust bearing (79), labyrinth pull frame (80), and
  • the grass head is composed of the grass head;
  • the grass head is also called the rope rope grass assembly with the base of the wire
  • a central hole (80d) is arranged on the upper surface, in particular, a labyrinth (80a) is arranged thereon, and has a plurality of curved roads connecting the long hole and the central hole, so that the pulling wire is put into the pulling frame (80) to enter the center hole;
  • the circuit diagram of the series motor electric lawn mower is mainly composed of insurance RC, switch K, inductor L3, inductor L4, capacitor C, and series motor M with winding L1 and winding L2, and start button AQ and handle.
  • the winder of the lawn mower is a winder with a variety of damping mechanisms, namely a centrifugal slow retracting device and a side piston damping device.
  • the winder can be used in the front or middle of the mower Several or several kinds of damper mechanism winders, because there are spaces around the fixed large gear (4), there are spaces to place multiple pinion gears (9) to connect multiple damping mechanisms and position locks; or can be used
  • the battery the bracket (19) that connects the outer casing of the winder through the long pin (18) and can be slightly rotated within 180 degrees can be assembled on the lawn mower; or at the front of the lawn mower Or the vertical axis is assembled in the middle; the vertical shaft can be provided with a double slip ring with a carbon brush joint; when the operator pushes the mower, the winder is out; when the pull is pulled, the line is locked; when pushing back, The reel makes the wire automatically rewind; if it is too fast, the various functions of each damping device will strengthen the slow retraction damping to make it move forward and backward.
  • the electric lawn mower is a commonly used garden power tool. It is driven by a motor and drives the spindle with the blade to work through a transmission structure such as a belt or a gear. If the machine needs to stop during the operation, the power supply is cut off first, but the blade will still run at high speed for a period of time under inertia. There is a safety hazard. For this reason, a brake device is needed to control its movement to avoid personal injury.
  • the invention provides a series motor electric lawn mower with a chassis anti-collision belt function wave plate brake, and the technical solution adopted to solve the technical problem is:
  • a series motor electric lawn mower having a chassis anti-collision belt function wave disc brake which comprises an anti-collision fuse provided at the front of the lawn mower chassis, and a brake provided in the middle of the lawn mower chassis Series motor electric lawn mower; lawn mower, with lawn mowers with both grass and reel, is equipped with three major assemblies on the ordinary lawn mower, with charging and inverter
  • the pull-out bracket assembly of the battery is provided with a cutting device assembly with a pulling rod and a grass head which is dragged by the series motor and arranged in the middle of the lawn mower, and a reel assembly; a cutting device
  • the fan plastic seat with both the noise reduction porous and the cutting edge is also transplanted to the lawn mower of the reel in the original lawn mower; the biased series motor is given out.
  • the position of the mandrel, the rod is pulled by the center wire to make the reel; the nylon wire is also improved to the noise reduction line with the triangular spiral groove; the reel assembly is equipped with various kinds on the mower.
  • the damper mechanism is a centrifugal slow retracting device, a side piston damping device, a position lock and a ball position lock, a reverse resistance mechanism, a flap spring damper mechanism, and a tube damper mechanism complementary to the angle damper mechanism;
  • the grass machine circuit is mainly operated by the start button AQ and the handle (75) and is provided with insurance;
  • the bracket assembly is provided by a fixed slide seat (90c) mounted on the bracket seat of the lawn mower chassis, and
  • the pull-out is composed of a slide bar (90a) and a limit bracket (90b), and the slide bar (90a) of the live bracket (90) is set on the fixed seat of the bracket seat.
  • the cutting device assembly is driven by a series motor that is not mounted at the center but is biased; there are two types of cutting devices, one is a fan plastic holder.
  • the other is a grass head
  • the fan plastic seat (85) is provided with a spline groove (85a) which cooperates with a spline (82a) of the large pulley (82);
  • the blade holder 85 is provided with a plurality of fans (85d), and is provided with a plurality of small through holes (85c) which are hexagonal holes; and the fan is provided with a cutting edge (85b);
  • the knife seat is made of a non-conductive material, which is a plastic, which is a nylon fiber;
  • the middle of the series motor electric lawn mower is provided with a cutting device assembly for the grass head and the center wire pulling the rotating rod, and the inner frame (76), series motor (77), motor pulley (84), belt (83), large pulley (82), pull wire (81), pull rod (78), thrust bearing (79), pull with labyrinth
  • the rotating frame (80) and the grass head are composed; and the grass head, which is also called the wire rope grassing assembly with the wire box
  • the blade (127) is disposed on the circumference of the lawn mower cutting tray, and the blade sleeve (126) is placed on the blade (127) when not in use;
  • the inner frame (76) is mounted above the cutting disk of the lawn mower chassis, and is provided with a motor pulley (84) on the shaft of the offset series motor (77) and driven by the belt (83).
  • a large pulley (82) having a centerline at the center of the cutting disc of the chassis; the large pulley (82) driving the grass head; the large pulley (82) and the grass head shell (24-3),
  • the eyelet inserts (25-6), the upper cover of the wire box (25-7) are connected in sequence, and the reel is loaded by the reel spring (25-1) in the grass head shell (24-3).
  • the reel (25-3) is provided with a nylon thread (134), and a retaining coil 123; the pulling lever 78 and the reel (25-3) Connected, or fixedly connected, or with a shaft retaining ring, or with a reverse threaded buckle, or with a thrust bearing; the other end of the pull rod (78) is pulled through the thrust bearing (79) and with a labyrinth
  • the turret (80) is connected, the pull frame (80) is provided with one end of the wire rope of the pull wire (81), and the other distal end of the wire is connected with the paying handle of the lawn mower ( 81b) connected;
  • the labyrinth pull frame (80) is a square shape, and a hole for pulling the rotating rod (80c) is arranged below the frame
  • the side surface is provided with a long hole (80b), and a central hole (80d) is arranged on the upper surface thereof, and a labyrinth (80a) is arranged on the upper surface thereof
  • the frame (80) enters the center hole;
  • the nylon wire (134) has a notch (34a) in cross section, at least one; the notch is spiral along the nylon line, and is equally divided along the circumference Uniform; and the notch is triangular;
  • the circuit of the series motor electric lawn mower is mainly composed of insurance RC, switch K, inductor L3, inductor L4, capacitor C, and winding L1 and winding L2 series motor M, and start button AQ and handle (75), and diode Di, resistor R1, R2, LED LED, winder and plug and socket;
  • the handle 75 has a head
  • the starting button AQ is provided with a long sheet QA2, and is connected to the pressing block QA1 by a long sheet, and is further provided with a limiting piece QA3; when the starting button AQ is pressed and the handle 75 is pulled,
  • the head of the handle 75 is provided with a hook head pressing the pressing block QA1 of the starting button AQ, and the pressing block
  • Position (90b) is provided with a limit switch for securing the bumper; said brake in the middle of the mower chassis of the series motor electric lawn mower provided in the middle of the lawn mower chassis
  • the inner frame (76) is mounted above the cutting disk of the lawn mower chassis, and the inner frame is provided with an offset series motor (77), and the biased series motor (77)
  • the belt (83) is driven by the belt (83), and the pulley (204) of the center line is at the center of the cutting disc of the chassis; and the output shaft (203) of the concentric hub is connected by a belt, and the pulley (204) is screwed with a screw (216).
  • a function disk brake pad (206) for braking fixing a brake fixing plate (207) to the inner frame (76), fixing each other with a hexagonal screw (218) and a hex nut (219);
  • the fixed plate (207) is provided with a movable brake lever (208) which is connected by a rivet (215) for flexible rotation;
  • the brake lever (208) is provided with a friction plate (209) and a solid rivet (223) Connecting, by means of a brake tension spring (210) acting on the brake fixing plate (207) and the brake lever (208), the friction plate (209) and the function disk of the pulley (204) for braking
  • the brake pad (206) is brake-tensioned;
  • the brake lever (208) is connected to the joystick by a cable (211) for braking the clutch;
  • a series of motor-driven lawn mowers with a chassis anti-collision belt function and a wave disc brake after improved anti-collision and braking characterized in that: the function wave disc brake pad (206) is undulating according to the waveform.
  • the series-excited electric lawn mower with the chassis anti-collision belt function wave plate brake described in the anti-collision and braking is modified and perfected again, characterized in that: the waveform is high and low undulating for a single relaxation brake.
  • the uneven function disk brake pad (206) is characterized by its high and low undulating waveforms.
  • computer simulation and various experiments are required.
  • the wave height C and the wave number N are matched; the wave height C is 0.1-0.9.
  • the wave number N is taken as 3-99.
  • the series-excited electric lawn mower with the chassis anti-collision belt function wave plate brake described in the anti-collision and braking is modified and perfected again, characterized in that: the waveform is high and low undulating for a single relaxation brake.
  • the uneven function disk brake pad (206) is characterized in that its high and low undulating waveform is a trigonometric function, its trigonometric function or cosine function, or a cotangent function, or a tangent function.
  • the series-excited electric lawn mower with the chassis anti-collision belt function wave plate brake described in the anti-collision and braking is modified and perfected again, characterized in that: the waveform is high and low undulating for a single relaxation brake.
  • the uneven function disk brake pad is an inverse trigonometric function whose trigonometric function is either an inverse sine function or an inverse cosine function, or an inverse tangent function, or an inverse cotangent function.
  • the series motor electric lawn mower with the chassis anti-collision belt function wave plate brake after the anti-collision brake is improved, characterized in that: the function wave disc brake piece (206) is a function wave waveform Uneven platters of high and low undulations
  • the relaxation brake effect is characterized by its high and low undulating waveform is a function, its function is a power function, or an exponential function, or a logarithmic function.
  • the series motor electric lawn mower with the chassis anti-collision belt function wave plate brake after the anti-collision brake is improved, characterized in that: the function wave disc brake piece (206) is high and low undulating unevenness
  • the platter in order to facilitate the effect of a relaxation brake, characterized by its uneven undulating disc or a plurality of convex or concave, or rough surface, or convex and concave grid, or a plurality of convex and concave and function wave waveform Combination crossover.
  • the invention relates to a series motor electric lawn mower with a chassis anti-collision belt function wave disk brake after the anti-collision brake, characterized in that: the brake of the electric lawn mower is provided with an axial pressing A shaft (204b) of a friction block (204c) that is progressively raised, said friction block (204c) being characterized by a progressively elevated friction block in the axial direction, which is either a parabolic gradual A raised friction block, or an involute friction block that is gradually raised, or a plurality of convex or concave, or rough surfaces, or a convex-concave mesh, or a combination of a plurality of convex and concave and functional wave waveforms.
  • the series motor electric lawn mower with the chassis anti-collision belt function wave plate brake after the anti-collision brake is improved characterized in that: the brake of the electric lawn mower is provided with multiple internal teeth (204t).
  • the pulley (204) is characterized in that at least one of the interiors of the pulley is provided with a plurality of internal teeth (204t).
  • the series motor electric lawn mower with the chassis anti-collision belt function wave plate brake after the anti-collision brake is improved characterized in that: the brake of the electric lawn mower is provided with multiple arc teeth (209t)
  • the radial centrifugal block (208t) is characterized in that at least one of the radial centrifugal blocks (208t) is provided with a plurality of arc teeth (209t).
  • C real number, which can be assigned between 0.01-1 according to the specific working conditions, such as 0.3; C is also called wave height.
  • N integer integer
  • N integer
  • a die-casting machine with a cold-pressing chamber is used to mass-produce a function wave plate by using a die-casting aluminum alloy.
  • the base material is aluminum alloy ZL109, or AC8A, and a friction-resistant material is added.
  • the method of manufacturing die-cast zinc-aluminum alloy mass-produced by a die-casting machine with a hot-pressing chamber, and the base material is chaotically added with a friction-resistant material.
  • the mold can be formed by using the formed wave plate to form a mold, and a plurality of wax cores are first formed, and then the function wave plate casting is mass-cast by a wax mold casting method.
  • the three-wheel mower having the flat head rotation angle of the grass head to increase the front single wheel is characterized in that it comprises a front single wheel (t1), a flat rod (t2), a card wheel (t3).
  • Front wheel horizontal axis (t4), twist handle (t5), wheel frame (t7), wheel carrier height adjustment groove (t8), chassis frame (t9), front wheel vertical axis (t10), front wheel branch pipe (t11), a front wheel bracket (t12) and a chassis grass rack (t13), the chassis frame (t9) and the chassis grass feeder (t13) are provided at a front portion of the lawn mower chassis,
  • the front frame branch (t11) and the front portion of the chassis trimming frame (t13) are symmetrically provided with the front wheel branch pipe (t11), and the two front wheel branch pipes (t11)
  • the middle wheel bracket is provided with the front wheel bracket (t12), and the front wheel bracket (t12) is movably provided with the front wheel vertical shaft (t10), and the front wheel vertical shaft (t10) and
  • the wheel carriers (t7) are connected; the wheel carrier (t7) is symmetrically disposed on the left and right sides of the wheel frame (t7), and the wheel carrier height adjustment grooves (t8) are arranged at
  • the front wheel transverse axis (t4) is inserted into the groove (t8); the front single wheel (t1) capable of rolling is provided on the front wheel transverse axis (t4);
  • the flat-bar rotation angle gear is used to adjust the front wheel single-wheel mower to be characterized in that a plurality of rotation angle gears (t7j) are provided on the wheel carrier (t7), and are hung at the rotation angle.
  • the flat bar (t2) containing the handle (t2k) is mounted, and the flat bar (t2) is provided with a flange (t2j) for operating the handle (t2k)
  • the flat bar (t2) can be matched with an optional gear (t7j) of the plurality of rotational angle gears (t7j) to enable the rolling of the front wheel transverse axis (t4)
  • the front single wheel (t1) is changed in height relative to the height of the chassis of the lawn mower from the ground so that the mowing height is variable.
  • the feature is that the plurality of rotation angle gears (t7j) are arranged at a certain central angle between each of the gears (t7j) at a center of rotation of the rotation angle of the rotation angle and each of the rotation angles
  • the gear (t7j) is a pit 10 mm long and 5 mm wide.
  • the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously. It requires a lot of manual adjustment and adjustment before and after, which is very laborious.
  • a typical lawn mower only has a rear two-wheel height adjuster; the rear two-wheel height adjuster includes a total rear height adjustment handle (224a) and a left and right rear height adjustment L-type lever (224c),
  • the rear two-wheel height adjuster includes a total rear height adjustment handle (224a) connected to the right rear rear elevation L-shaped lever (224c), and the left and right rear right height L-shaped levers ( 224c) rigidly connecting the left rear rear-adjusting L-shaped lever (224c) symmetrically rigidly across the rear of the lawn mower; the left and right rear height-adjusting L
  • the fulcrum of the type lever (224c) coincides with the rear axle axis of the lawn mower, and the rear end force end axis of each of the left and right rear elevation L-shaped levers (224c) coincides with the axle of the rear double wheel (227);
  • the rear double-wheel height adjuster has a plurality of gear positions on the body of the lawn mower including the side of the total rear height adjustment handle (224a
  • a flexible three-wheeled lawn mower is required on the narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously raised, and needs to be manually adjusted several times before and after, so the present invention has a front single wheel and a rear
  • the two-wheeled lawn mower with two poles moving up and down synchronously has been born to solve the world problem of three-wheeled lawn mower without the simultaneous adjustment of the front single wheel and the rear double wheel.
  • the three-wheeled lawn mower with the front single wheel and the rear double wheel synchronously moving up and down with one pole is characterized in that the front single wheel height adjuster and the rear double wheel wheel are connected by the heightening long pole (224).
  • the upper single wheel height adjuster is arranged above the front single wheel (t1), and the front single wheel height adjuster comprises an L type lever (226) and an inverted T type up and down moving height adjustment frame (225).
  • the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225) are provided with a horizontal long groove (225a), and the fulcrum shaft (226c) of the L-shaped lever (226) is disposed at
  • the output end axis (226a) of the L-shaped lever (226) is laterally movably inserted into the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225) to have a horizontal direction
  • the force receiving end of the L-shaped lever (226) is connected to the heightening long rod (224) to connect the front single wheel height adjuster and the rear double wheel height adjuster
  • the rear double wheel height adjuster includes a total rear height adjustment handle (224a
  • the rear double-wheel height adjuster includes a plurality of gear positions on the body of the lawn mower including the side of the total rear height adjustment handle (224a); the inverted T-type up and down moving height adjustment frame (225) The lower side of the rectangular frame is connected to the wheel carrier (t7), and the front wheel horizontal axis (t4) penetrated on the wheel frame (t7) is provided with a rolling front single wheel (t1); when the height adjustment long rod (224) of the front single wheel height adjuster and the rear double wheel height adjuster is raised, the force end of the L type lever (226
  • Figure 1 is a schematic view of a series motor electric lawn mower mounted on the front of the cord reel.
  • Figure 2 is a schematic view of the circuit (without the battery portion) of the series motor electric lawn mower with the cord reel.
  • Figure 3 is a schematic illustration of a series motor electric lawn mower with a cord reel mounted in the middle.
  • Figure 4 is a schematic view of a cutting device assembly having a pull rod and a grass head disposed in the middle of the lawn mower with a series motor.
  • Figure 5 is a cross-sectional view of a cutting device assembly having a pull rod and a grass head disposed in the middle of the lawn mower with a series motor.
  • Figure 6 is a schematic illustration of a labyrinth pull frame (80) that connects the puller head and pulls the swivel and thrust bearing.
  • Figure 7 is a schematic illustration of a reeling wheel (25-3) for grass cutting.
  • Fig. 8 is a schematic view showing the enlargement of the front single wheel by the flat lever rotation angle gear.
  • Figure 9 is a schematic illustration of the pull lever (78) of the cutting head assembly having a grass head disposed in the middle of the lawn mower.
  • Figure 10 is a schematic view of the explosion of the grass head.
  • Figure 11 is a schematic illustration of a battery holder assembly.
  • Figure 12 is a schematic illustration of an insulated seat (85) with a fan.
  • Figure 13 is a schematic illustration of a triangular shaped, noise-resistant nylon wire (134).
  • Figure 14 is an enlarged schematic illustration of a triangular shaped, noise-resistant nylon wire (134).
  • Figure 15 is an assembled view of a push button (QA) and switch handle (75) and a switch box (75b) with a latch.
  • Figure 16 is a schematic illustration of a button (QA) having a push button (QA) and a switch handle (75) and a switch box (75b) of the latch.
  • Figure 17 is a schematic exploded view of the winder.
  • Figure 18 is a perspective view of the damper dial of the centrifugal slow retracting device.
  • Figure 19 is a perspective view of a torsion spring pin with a torsion spring of a centrifugal slow retracting device.
  • Figure 20 is a partial assembly view of the winder.
  • Fig. 21 is a top plan view showing the locking of the inner and outer cam grooves having a plurality of control points.
  • Fig. 22 is a top plan view showing the inner and outer cam grooves having a plurality of control points at a near and far distance.
  • Figure 23 is a schematic illustration of a damper device having a toggle lever and a rack and pinion.
  • Figure 24 is a schematic illustration of a side piston damper having four small sliders and a tension spring and a side piston.
  • Figure 25 is a schematic view showing the gear engagement and the side piston damping case mounting.
  • Figure 26 is a cross-sectional view of the spiral friction one-way mechanism of the damper device.
  • Figure 27 is a cutaway perspective view of the spiral friction unidirectional mechanism of the cord reel and the damper device.
  • Figure 28 is a perspective view of the roller of the tube angle washer mechanism.
  • Figure 29 is a perspective view of the guide rear bracket (51) with angled slots.
  • Figure 30 is a vertical sectional view showing the flap spring damper mechanism.
  • Figure 31 is a perspective view of the pipe damper.
  • Figure 32 is a schematic cross-sectional view of a positional lock with a ball.
  • Figure 33 is a vertical sectional view of the reverse resistance mechanism.
  • Figure 34 is a schematic exploded view of a brake with a function disk (206) of an electric lawn mower.
  • Figure 35 is a cross-sectional view showing the brake of the brake device with a function disk (206) of the electric lawn mower.
  • Fig. 36 is a cross-sectional view showing the brake of the function disk (206) of the electric lawn mower without braking.
  • Figure 37 is a schematic illustration of the axle (204b) of the brake having an axially progressively raised friction block (204c).
  • Figure 38 is a schematic illustration of a variable angle angled disc (204b) having an axially progressively raised friction block (204c).
  • Figure 39 is a schematic illustration of the axial angle of the shaft (204b) of the progressively raised friction block (204c) as a function of the side angle.
  • Figure 40 is a perspective view showing the brake disc of the electric lawn mower with the output pulley removed to expose the inner shaft (204b).
  • Figure 41 is a perspective view of the multi-tooth (204t) output pulley of the brake of the electric lawn mower.
  • Figure 42 is an internal schematic view of a multi-tooth (209t) radial centrifugal block (208t) of a brake of an electric lawn mower.
  • Figure 43 is a schematic view of a three-wheel mower having a flat head rotation angle gear for raising the front single wheel.
  • Figure 44 is a schematic view showing the combination of the front wheel of the three-wheel mower having the height adjustment.
  • Figure 45 is a schematic view of the chassis frame (t9) of the three-wheel mower having the front wheel of the height adjustment.
  • Fig. 46 is a schematic view showing the wheel carrier height adjusting groove (t8) provided on the wheel carrier (t7) having the front wheel of the height adjustment.
  • Fig. 47 is a schematic view showing the twisting handle (t5) for adjusting the front wheel transverse axis (t4) of the front wheel having the height adjustment.
  • Fig. 48 is a schematic view showing a card wheel (t3) for adjusting the front wheel horizontal axis (t4) of the front wheel having the height adjustment.
  • Fig. 49 is a schematic view showing the front wheel horizontal axis (t4) of the front wheel having the height adjustment.
  • Figure 50 is a schematic view of a front wheel bracket (t12) having a front wheel that is raised.
  • Figure 51 is a schematic view of a chassis feeder (t13) having a single front wheel.
  • Fig. 52 is a schematic view showing the combination of the single wheel before the adjustment of the twisting handle (t5).
  • Fig. 53 is a schematic view showing the combination of the front direction of the single wheel before the adjustment of the twisted handle (t5).
  • Figure 54 is a schematic view of a three-wheeled lawn mower with a front single wheel and a rear double wheel synchronized up and down with one rod.
  • Fig. 55 is a schematic view showing the vertical axis of the rectangular frame of the inverted T-type up and down moving height adjustment frame (225).
  • 1. is a small slider; 2. is a tension spring; 3. is a damping box; 4. is a large gear; 5. is an inner disc; 6. is a damping dial; 7. is a small piston; 8. is a compression spring; Is a pinion; 10. is a turn pin; 11. is a spring spring; 12. is the upper plate; 13. is the upper shell; 14. is the main wheel; 15. is the pipe joint; 16. is the lower plate; 17. is the lower shell; 18. is the long pin; 19. is the bracket; 20. is the lower small end cover; 21. is the upper small inner cover; 22. is the upper small cover; 105. is the helix angle greater than 23.5 degrees Internal spiral friction wheel; 106.
  • a ball (70) having a ball position lock a ball (70) having a ball position lock
  • 74. is a lock cylinder Shaft (74); 25-1. is a reel spring; 25-3.
  • 123. is a retaining coil 123; 34a. is a notch 34a; 81. is a pull wire 81; 81b. is a pay-off lever 81b; 80c. is a hole 80c for pulling the rotating rod; 80b. is a long hole 80b; 80d. is a central hole 80d; 80a. is a labyrinth 80a; 75b. is a connector holder 75b with a handle 75; the handle 75 has a head on the head; QA2.
  • QA1 is a pressure block QA1; QA3. is the limit piece QA3; 204. pulley in the center of the cutting disc; 203. output shaft; 216. machine screw; 206. function wave plate brake pad; 207. brake fixed plate; 218. hexagonal screw; 219. Hex nut; 208. Brake rod; 215. Rivet; 209. Friction plate; 223. Solid rivet; 210. Brake tension spring; 211.
  • t1 is the front single wheel
  • t2 is the flat rod
  • t3 is The card wheel
  • t4 is the front wheel horizontal axis
  • t5 is the twisting handle
  • t7 is the wheel frame
  • t8 is the wheel frame height adjusting groove
  • t9 is the chassis frame
  • t10 is the front wheel vertical shaft
  • t11 is the front wheel branch tube
  • t12 is the front wheel bracket
  • t12 is the front wheel bracket
  • t13 is the chassis feeding frame
  • t7j is the gear of multiple rotation angles
  • t2k is the handle
  • T2j is the flange
  • 226.L type lever 225. inverted T type up and down moving height adjustment
  • 226c fulcrum axis
  • 226a output end axis
  • 224 heightening long rod
  • 224a Rear adjustment handle
  • 224c Rear adjustment L-type lever
  • 227 Rear double wheel.
  • Establish the parameter (PARAMETER) 1 C real number, which can be assigned between 0.01-1 according to the specific working conditions, such as 0.3; C is also called wave height.
  • a die-casting machine with a cold-pressing chamber is used to mass-produce a function wave plate by using a die-casting aluminum alloy.
  • the base material is aluminum alloy ZL109, or AC8A, and a friction-resistant material is added.
  • the method of manufacturing die-cast zinc-aluminum alloy mass-produced by a die-casting machine with a hot-pressing chamber, and the base material is chaotically added with a friction-resistant material.
  • the mold can be formed by using the formed wave plate to form a mold, and a plurality of wax cores are first formed, and then the function wave plate casting is mass-cast by a wax mold casting method.
  • function waveform of the present invention can also be combined with other various mathematical functions and rough bumps.
  • the invention is a major improvement of the conventional lawn mower for lawn mows in gardens, parks and roadsides.
  • the main improvement is that the front of the lawn mower is provided with a movable extraction bracket for the storage of the battery; Some cutting devices are driven by a series motor that is not mounted at the center but biased; two types of cutting devices are available, one is a knife with a fan plastic seat, and the other is to turn the original grass machine up.
  • the nylon wire of the reel in the wheel is transplanted to the lawn mower; because the offset series motor gives up the central axis position, the center wire of the present invention can be used to pull the rotating rod to release the aluminum head of the reel, thereby Breaking the history that the straw cutting machine can not be used for lawn mowers; and because of the use of a winding device with a variety of damping mechanisms, namely the centrifugal slow retraction device, the side piston damping device, the position lock, Trapped pressure spring damping mechanism, reverse resistance mechanism, pipe arranging angle slot
  • the winding device complemented by the damping mechanism greatly increases the mowing range of the conventional electric lawn mower. Perhaps it can be said that a mower that has both a grass head and a reel is created, such a new technical field. It is beneficial to solve the problems of counterweight, power supply and mowing.
  • the three-wheeled series motor electric lawn mower is a lawn mower that has both a grass head and a reel. It mainly installs three major assemblies on a common lawn mower, that is, a battery bracket assembly. a cutting device assembly with a pulling rod and a grass cutting head disposed in the middle of the lawn mower driven by the series motor, and a reel assembly; the bracket is a lawn mower The front part is provided with a movable extraction bracket for placing the battery; the cutting device has two types, one is a lawn cutter on the center of the lawn mower, and a knife seat with a plastic fan is provided for guiding and insulating; The other is to transplant the nylon thread of the reel in the reel of the original lawnmower to the lawn mower.
  • the center pull wire of the invention pulls the rotating rod to make the reeling line; in practical use, it is better to test the cutting device according to the straw condition; the reel is installed in the front or middle of the lawn mower to solve the weight and Power supply; detailed below:
  • the battery bracket assembly of the series motor electric lawn mower is provided with a movable storage bracket for placing the battery in front of the lawn mower; the battery bracket assembly is as shown in FIG. , a fixed carriage 90c fixed to the bracket seat at the bottom of the lawn mower, and a movable bracket 90 provided with a slide bar 90a and a limit 90b, and a charger and an inverter not shown
  • the battery is composed of a sliding rod 90a of the living bracket (90), which is placed in the fixed sliding seat 90c of the bracket seat, and can be placed thereon after being pulled out and positioned by the limiting position 90b.
  • the battery can also be placed with any counterweight. The operator can select both the battery and the external power supply through the cord reel to cut grass in the case of a multi-tree mixed lawn area or temporary power outage.
  • the cutting device assembly provided in the middle of the series motor electric lawn mower is driven by a series motor which is not installed at the center but is biased; two kinds of cutting devices are available, one is a fan
  • the knife of the plastic knife seat, the other is to transplant the nylon thread of the reel in the runner of the original grass cutter to the lawn mower; because the offset series motor gives up the central axis position, In order to use the center cable to pull the rotating rod, the aluminum head of the reel can be put on the line, thereby breaking the history that the nylon thread cutting device can not be used for the lawn mower; the series motor electric lawn mower has a fan.
  • the knife of the plastic knife seat is a knife blade with a plastic fan on the lawn cutter in the center of the lawn mower. Referring to Fig.
  • the knife seat 85 is provided with a spline groove 85a so as to be in contact with the large pulley 82.
  • the spline 82a cooperates to cut the blade of the blade under the driving of the offset series motor;
  • the blade holder 85 is provided with a plurality of fans 85d for guiding the wind; and the fan is provided There are a plurality of small through holes 85c, preferably hexagonal holes, to facilitate noise reduction; and the fan is provided with a cutting edge 85b to facilitate Grass wound;
  • said seat is appropriate non-conductive material, such as nylon plastic defibrillators.
  • the cutting device assembly provided in the middle of the series motor electric lawn mower is driven by a series motor which is not installed at the center but is biased; two kinds of cutting devices are available, one is a fan
  • the knife of the plastic knife seat, the other is to transplant the nylon thread of the reel in the runner of the original grass cutter to the lawn mower; because the offset series motor gives up the central axis position, In order to use the center cable to pull the rotating rod, the aluminum head of the reel can be put on the line, thereby breaking the history that the nylon thread cutting device can not be used for the lawn mower; the middle of the series motor electric lawn mower is provided
  • the cutting device assembly with the grass head and the center pull wire pulling the rotating rod referring to FIG. 4 and FIG.
  • the blade 127 is arranged on the circumference of the lawn mower cutting disc, and the blade sleeve 126 is placed when not in use On the blade 127, there is a protective effect; the original use of a strong reel aluminum head 25-3b, when the line is short, the operator's pier is pressed, the reel aluminum head 25-3b hits the ground, so that the reel spring 25 -1 compression, and the reel 25-3 is rotated, so that the nylon thread 134 therein passes through the line insert 25-6, and the line is released, and the excessively long line is trimmed by the blade 127; Pressing the ground, the aluminum head 25-3b of the reel can be omitted, but the rotating rod is pulled by the center pulling wire to make the reel; the excessively long line is trimmed by the blade 127; the nylon thread 134
  • a type of the reel is rotated, so that the nylon thread 134 therein passes through the line insert 25-6, and the line is released, and the excessively long line is trimmed by the blade 127; Pressing the ground
  • the reel 25-3, the reel 25-3 is provided with a nylon thread 134, and a retaining coil 123; the pulling rod 78 is connected with the reel 25-3, or is fixed Or with a shaft ring, or with a reverse thread buckle, or with a thrust bearing; the other end of the pulling rod 78 is connected to the labyrinth of the pull frame 80 through the thrust bearing 79, the pull The end of the wire rope of the pull wire 81 is set on the rotating frame 80, and the other distal end of the wire puller is connected with the pay-off lever 81b of the large handrail of the lawn mower; when the wire is put on, the pull wire pulls the rotating rod.
  • the several bosses on the reel are moved up, and several holes of the upper cover 25-7 of the wire box are disengaged, and the reel is rotated relative to the head of the grass to be placed; hit When the whole grass head rotates, the reel does not rotate with respect to the grass head shell; the labyrinth pull frame 80 is square-shaped, so that it is not easy to be deformed, because one side is used.
  • the pull wire in particular, is provided with a labyrinth 80a thereon, which has a plurality of curved roads connecting the long hole and the center hole, so that the thick end of the wire rope of the wire is first placed into the pull frame 80 through the long hole 80b. The frame, and then the wire rope of the wire is bypassed along a plurality of curved roads of the labyrinth 80a to enter the center hole, so that it is not easy to loosen.
  • the circuit diagram of the series motor electric lawn mower is mainly composed of a safety RC, a switch K, an inductor L3, an inductor L4, a capacitor C, and a series motor M provided with a winding L1 and a winding L2.
  • a safety RC a switch K
  • an inductor L3, an inductor L4, a capacitor C a series motor M provided with a winding L1 and a winding L2.
  • the invention deliberately has an insurance RC, which uses a fuse, or uses a thermal relay, or Overcurrent protector for safer; why is there insurance already in the power supply, plus insurance? Because the power supply is also available in multiple places, its insurance is often too large and not just suitable for this lawn mower.
  • the start button AQ and the head of the handle 75, and the diode Di, the resistors R1, R2, the LEDs, the switch K and the plug, and the respective return springs of each member are all mounted on the connector holder 75b of the lawn mower with the handle 75; the head of the handle 75 is provided with a hook; the start button AQ is provided with a long sheet QA2, and is connected by a long sheet.
  • the pressing block QA1 is further provided with a limiting piece QA3; when the starting button AQ is pressed and the handle 75 is pulled, the head of the handle 75 is provided with a hook head pressing the pressing block QA1 of the starting button AQ, And the pressing block QA1 of the starting button AQ is pressed against the switch K to start; when it is to be closed, each piece can be elastically reset as long as the handle 75 is pulled; the diode Di, the resistor R1, R2, the luminous tube
  • the LED is only used as an indicator light; one end of the reel is connected to a power source, and the other end of the reel is connected to a plug on the connector 75b with the handle 75, and is connected to the motor through the switch K.
  • the operator chooses a winding device with a variety of damping mechanisms, namely the wheel housing assembly, the centrifugal slow retracting device, the side piston damping device, the position lock, and the angular groove on the reverse resistance mechanism and the pipe arranging device.
  • the bracket 19 on the outer casing of the winding device composed of the damper mechanism is connected by a long pin 18 and can be slightly rotated within 180 degrees to be placed in the front or middle portion of the lawn mower; as shown in Fig. 1 or Fig.
  • a vertical shaft may be provided at the front of the lawn mower, and a hole sleeve may be arranged on the vertical shaft in the middle of the bracket 19; or a vertical shaft may be arranged in the middle of the lawn mower and wound in the line
  • the middle shaft of the device is provided with holes, which are assembled on the vertical axis; and the power supply is fixed and fixed; when the operator cuts the grass, it is better to turn the wire from the front of the lawn mower instead of from the lawn mower. Turning, that is to say, you should pay attention not to mix your feet.
  • the operator can also choose a winder with several or several kinds of damping mechanisms, because there are spaces around the fixed large gear 4, and multiple pinions 9 can be placed to connect the multiple dampings. Agency and location locks. Alternatively, the battery can be replaced. Because the wheel housing assembly consists of the upper shell 13, the upper disc 12, the coil spring 12, the inner disc 5, the large gear 4, the main wheel 14, the joint 15, the lower disc 16, the lower shell 17, the long pin 18, the bracket 19 components.
  • the hole of the central shaft of the outer casing is provided with a lower disc 16 and an inner disc 5 provided with a rotating shaft; the inner disc 5 is formed with a retracting device by a coil spring spring 11 and an upper large disc 12; a small inner lid 21 is inserted into the inner disc 5, Moreover, it is mounted on the upper casing 13 by being fixed by the upper outer cover 22.
  • the groove on the shaft of the stationary inner disk 5 is fixed to the end of the coil spring 12 near the center of the circle, and the outer ring of the coil spring is fitted on the post at the edge of the rotating main wheel 14, and is used
  • the upper tray 12 is covered by the four card slots on the edge. So the big gear does not move.
  • the small slider 1 which is pulled by the tension spring 2 and protrudes along the slide 6a of the damper turntable 6, in particular, the involute surface and the parabolic surface of the peach body of the small slider 1, the fish ground and the small piston 7 And the internal damping, meshing, sliding, and friction of the damping case 3 enhance the slow retracting damping effect.
  • the newly conceived solution is to use the middle fixed gear 4 in the reel that has been used, and to rotate the pinion 9 around it, to install another damping case, or to replace
  • the slow retracting damping device used in the present invention can also be referred to as a pre-spinning device with a flap spring mechanism and a multi-damper mechanism, so several damping boxes are added, which are selected according to customer requirements and performance requirements of the product model. of.
  • the flap spring mechanism is composed of a pinion gear 9, a threaded shaft 64 driven by the pinion gear 9, a flap 61, a compression spring 62, a damping casing 63, and a damping box cover 65;
  • the threaded shaft 64 is provided with a thread;
  • the thread is preferably a fine-toothed standard thread, the fine teeth of which are advantageous for shortening the shaft stroke, and the standard thread is advantageous for processing;
  • the flap 61 is internally threaded to facilitate The threaded shaft 64 is moved up and down in conjunction with each other;
  • the flap 61 is provided with a plurality of outer grooves, preferably four, for sliding with the plurality of convex rails 63a in the damping casing 63;
  • the pressure spring 62 is mounted under the plate 61, and the other end of the compression spring 62 is in contact with the inside of the casing of the damping casing 63;
  • the damping casing 63 is fitted on the main wheel 14;
  • a spiral shaft 106 driven by the same other pinion 9 is provided, and a spiral having a helix angle greater than 23.5 degrees is coupled with the inner spiral friction wheel 105; when the shaft is rotated, the wheel moves down the bottom of the friction shell And vice versa; the damping effect of the spiral friction type one-way mechanism forming the damper.
  • the counter-rotation turntable 23 is rotated under the driving of several identical ones of the pinions 9 provided on the periphery of the large gear 4;
  • the reverse resistance mechanism of the winding device is composed of a reverse resistance turntable 23, a reverse resistance turn block 24, a torsion spring 26, a pin shaft 25, and a pinion gear 9.
  • the movable counter-rotating block 24 of the plurality of the pins 23 of the counter-rotating turntable, which are inserted into the pin 23, is inserted into the pin 25, and the plurality of torsion springs are usually placed, especially Under the action of the torsion spring 26 inserted into one end of the four uniform small holes 23b and the other end of the torsion spring, the small curved surface 24c of the reverse resistance rotating block 24 does not touch the inner wall of the damping case, but reverse resistance
  • the chord surface 24d of the block 24 is close to the inner wall, that is, it is unobstructed when it is pulled forward, and the limit projection 24a of the reverse resistance turn block 24 matches the limit block 23a of the limit-resistance turntable.
  • the reverse resistance block 24 when retracting in the reverse direction, the reverse resistance block 24 is subjected to centripetal force at a high speed, and centrifugal deflection causes the small curved surface 24c of the reverse resistance rotating block 24 to touch the inner wall of the damper case, resulting in a reverse resistance effect.
  • roller core cover 54 of the loading roller 55 is pulled along the angular groove 51a when pulled out; and because of the guide rear bracket of the pipe keeper 53
  • the roller core cover 54 placed in the angular groove of 51 can be referred to FIG.
  • each circumference of the cover is provided with a pull block 54a and each The small tension spring hole 54c of the pull block is gently pulled by the two ends of the tension spring 54b with a small pulling force inserted into the small tension spring hole;
  • the roller core cover is placed in the two Roller 55, and a movable pipeline is installed between the two rollers;
  • the guide front bracket 52 and the guide rear bracket 51 of the duct 53 are combined to form an angular slot for the roller core cover.
  • the illustrated long circular grooves of angle a are formed such that the two axial centers of the roller core cover are loose along the angular groove 51a when the tube is pulled out, that is, the roller is loose.
  • the angle a of the long circular groove with the angle a of the roller core cover (shown in FIG. 23) is between 1 and 23 degrees, and since the pipeline is taken into consideration Is turned to the left, and the two sides of the angle a with each other, the angle between the two sides and the vertical line, the left angle ⁇ is smaller than the right angle ⁇ , so when the tube is retracted, the roller is inwardly
  • the friction component is such that the roller core cover 54 of the loading roller 55 is pulled closer along the angle groove 51b, and the angular groove of the roller core cover is placed so that the two axial centers of the roller core cover are close to each other, thus forming an angle along the angle
  • the groove 51b is closer to the roller, and the roller is tightly adjustable, the angled groove type damping mechanism.
  • the ball position lock the technical solution of the ball position lock and the multi-damper mechanism of the present invention for solving the problem of the arbitrary position lock
  • the key to the technical innovation lies in the ball; the newly conceived solution is already used.
  • the middle fixed pinion 4 is used, and the pinion 9 can be mounted around to rotate the ball, and the ball winding device with the ball position lock and the multi-damper mechanism is added.
  • the position lock is composed of a pinion gear 9, a lock cylinder shaft 74 driven by the pinion gear 9, a ball 70, a torsion spring 73, a lock cylinder 72, and a position lock case 71;
  • the position lock case 71 is assembled on the main wheel 14
  • the torsion spring 73 is placed on the lock
  • the mandrel 74, and the normal state is the enveloping sleeve;
  • the lock cylinder 72 is lively fitted on the torsion spring 73 and the lock core shaft 74 and fit into the position lock case 71;
  • the lock cylinder 72 is provided with an eccentric heart-shaped lock groove, which is eccentric so that the ball moves in the groove direction, and the heart-shaped recessed bottom is a position when the ball enters the lock;
  • the feature is: the ball 70 is smooth, It is better to be a steel ball; and because the ball 70 has six degrees of freedom, that is, three degrees of translational freedom and three degrees of freedom of rotation, the ball is less than the
  • the torsional moment is divided, and it is less likely to get stuck occasionally.
  • the torsion spring 73 is a tight ring and has a circular cross section, which facilitates processing the multi-bend L-shaped end portion 73a and the U-shaped end portion 73b, and is also difficult to wear the core due to the square torsion edge during operation. axis.
  • the end portion 73a of the torsion spring 73 is L-shaped, so as to facilitate the clamping over the lock cylinder 72; and the other end 73b is U-shaped and has two sides, thereby facilitating the The pushing of the ball 70; and because the end portion 73a of the torsion spring 73 is caught on the lock cylinder 72, the end portion 73b of the torsion spring 73 protrudes into the heart-shaped lock groove of the lock cylinder 72.
  • the ball 70 is movably mounted in the axial slot 71a of the position lock case 71 and the heart lock groove of the lock cylinder 72, and It is in contact with the end portion 73b of the torsion spring 73 that is fitted to the lock spindle 74 and protrudes to the lock cylinder 72 so as to be interlocked with the heart-shaped lock groove of the lock cylinder 72 to be in the axial direction of the lock case 71 with the position.
  • the long groove 71a moves up and down, and the object is that when the ball 70 pushes the end portion 73b of the torsion spring 73 into position, the inner diameter of the torsion spring ring becomes large to release the lock driven by the pinion gear 9.
  • the mandrel 74 frees the pipeline; and when the ball 70 falls to the lock position, the end portion 73b of the torsion spring 73 is not pushed, and the inner diameter of the torsion spring ring is made smaller to wrap the pinion 9
  • the driven lock shaft 74 prevents the pipeline from moving; It is formed with a winding apparatus and a multi-position of the lock ball damping mechanism.
  • the main wheel 14 When the operator pulls the pipeline, since the main wheel 14 is equipped with the joint 15, the wire is wound on the joint and the wire is wound around the main wheel, and the main wheel 14 and the lower plate 16 are integrally fixed by screws. And the inner large shaft of the lower disc 16) is rotatably inserted into the smooth outer shaft of the central large tube of the lower casing 17, so that the upper disc 12, the main wheel 14, the pipe joint 15, and the lower disc 16 are opposite. The outer casing is rotated; the main wheel 14 drives the pinion 9 when the line is pulled out.
  • the ball 70 due to the spring reaction, will be provided with an eccentric heart-shaped locking groove (the eccentricity so that the ball moves in the groove) along the lock cylinder 72, and hits the heart-shaped concave.
  • a double slip ring with a carbon brush joint may be provided to protect certain A wire that is hardened by a Brinell test of a copper-aluminum wire.
  • an anti-collision fuse provided at the front of the lawn mower chassis is disposed on the living bracket (90) of the bracket assembly, and is mounted on the bracket of the lawn mower chassis.
  • the fixed sliding seat (90c) and the pullable living bracket (90) provided with a sliding rod (90a) and a limit position (90b), the sliding rod (90a) set of the living bracket (90)
  • the limit position (90b) characterized in that the live bracket (90) is out rubberized, and the limit is (90b) is provided with a limit switch for triggering the limit when the current side collides with the outer rubber skin of the live support (90) to retract the slide bar (90a) of the live support (90) (90b) a limit switch provided to form an anti-collision fuse;
  • the brake provided in the middle of the mower chassis of the series motor electric lawn mower provided in the middle of the lawn mower chassis, a frame (76) mounted above the
  • the brake lever (208) can be flexibly rotated by the connection of the rivet (215); the brake lever (208) is provided with a friction plate (209), which is connected by a solid rivet (223), and acts on the brake fixing plate (207) and the system.
  • the brake tension spring (210) on the moving rod (208) brakes the friction plate (209) and the function disk brake pad (206) for braking on the pulley (204); the brake lever ( 208)
  • a cable (211) is connected with the joystick for braking the clutch; when the starting lever starts the machine, the cable drives the brake lever to rotate, so that the friction plate is separated from the brake plate, and the brake is pulled at this time.
  • the spring is elongated, so that the brake tension spring accumulates the elastic force.
  • the feature of the three-wheel mower having the flat head rotation angle of the grass head to increase the front single wheel is to save one wheel: it includes the front single wheel (t1), the flat rod (t2), and the card.
  • Wheel (t3), front wheel horizontal axis (t4), twist handle (t5), wheel carrier (t7), wheel carrier height adjustment groove (t8), chassis frame (t9), front wheel vertical axis (t10), front wheel branch pipe (t11), a front wheel bracket (t12), a chassis grass feeder (t13), the chassis frame (t9) and the chassis grass feeder (t13) are provided at a front portion of the lawn mower chassis.
  • the front wheel branch pipe (t11) is symmetrically disposed on the left and right sides of the chassis frame (t9) and the front portion of the chassis grass feeder (t13), in front of the two In the middle of the wheel branch pipe (t11), the front wheel bracket (t12) is provided, and the front wheel bracket (t12) is movably provided with the front wheel vertical shaft (t10), and the front wheel vertical shaft (t10) is connected to the wheel carrier (t7); the wheel carrier (t7) is symmetrically disposed on the left and right sides of the wheel carrier (t8), in the two The front wheel transverse axis (t4) is inserted into the wheel height adjusting groove (t8); and the front single wheel (t1) capable of rolling is provided on the front wheel horizontal axis (t4);
  • a three-wheeled lawn mower having a flat head rotation angle gear for raising the front single wheel is characterized in that a plurality of rotation angle gears (t7j) are provided on the wheel carrier (t7), and The flat bar (t2) containing the
  • the plurality of rotation angle gears (t7j) are conveniently arranged at a center angle of the rotation of the rotation angle of 5-20 degrees between each of the gears (t7j).
  • the plurality of rotation angle gears (t7j) are arranged for the 460 type at a center angle of 8 degrees between each gear (t7j) at a center of rotation of the rotation angle gear.
  • the plurality of rotation angle gears (t7j) are arranged for the 500 type at a center angle of 10 degrees between each of the gears (t7j) at the center of rotation of the rotation angle of the gear.
  • the plurality of rotation angle gears (t7j) are arranged for the 520 type at a center angle of rotation of each of the gears (t7j) at a center of rotation of the rotation angle of the rotation angle.
  • the plurality of rotation angle gears (t7j) are arranged at a certain central angle between each of the gears (t7j) at a center of rotation of the rotation angle of the rotation angle and each of the rotation angles is engaged ( T7j) is a pit to match.
  • the plurality of rotation angle gears (t7j) are engaged by the rotation angle
  • the center of rotation is arranged at a certain central angle between each of the gears (t7j) and each of the rotation angles (t7j) is a rectangular pit which proves to be practical.
  • a type is a pit with a length of 10 mm and a width of 5 mm.
  • the flange (t2j) provided on the flat bar (t2) is a flange punched out on the flat steel of the flat bar, for example, punched out on a spring flat steel 65Mn of a flat bar.
  • a flexible three-wheeled lawn mower is required on the narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously raised, and needs to be manually adjusted several times before and after, so the present invention has a front single wheel and a rear
  • the two-wheeled lawn mower with two poles moving up and down synchronously has been born to solve the world problem of three-wheeled lawn mower without the simultaneous adjustment of the front single wheel and the rear double wheel.
  • the three-wheeled lawn mower with the front single wheel and the rear double wheel synchronously moving up and down with one pole is characterized in that the front single wheel height adjuster and the rear double wheel wheel are connected by the heightening long pole (224).
  • the upper single wheel height adjuster is arranged above the front single wheel (t1), and the front single wheel height adjuster comprises an L type lever (226) and an inverted T type up and down moving height adjustment frame (225).
  • the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225) are provided with a horizontal long groove (225a), and the fulcrum shaft (226c) of the L-shaped lever (226) is disposed at
  • the output end axis (226a) of the L-shaped lever (226) is laterally movably inserted into the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225) to have a horizontal direction
  • the force receiving end of the L-shaped lever (226) is connected to the heightening long rod (224) to connect the front single wheel height adjuster and the rear double wheel height adjuster
  • the rear double wheel height adjuster includes a total rear height adjustment handle (224a
  • the rear double-wheel height adjuster includes a plurality of gear positions on the body of the lawn mower including the side of the total rear height adjustment handle (224a); the inverted T-type up and down moving height adjustment frame (225) The lower side of the rectangular frame is connected to the wheel carrier (t7), and the front wheel transverse axis (t4) penetrated on the wheel frame (t7) is provided with a rolling front single wheel (t1);
  • the invention is advantageous in that three wheels are used to eliminate one wheel of a conventional four-wheel mower, making turning and reversing more flexible. Saves one round of cost. Enhanced anti-collision insurance and braking effect, mowing and grass selection, and larger activity areas.
  • a flexible three-wheeled lawn mower is required on the narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously raised, and needs to be manually adjusted several times before and after.
  • the present invention has a front single wheel and a rear double.
  • the wheel uses a three-wheeled lawn mower that moves up and down synchronously to solve the problem of the world of three-wheeled lawn mowers without the simultaneous adjustment of the front single wheel and the rear double wheel.
  • the three-wheeled lawn mower with the first single wheel and the rear double wheel synchronously moving up and down with one rod is continuously improved, and the first stage of the four-row rod of the heightening long rod (224) is characterized.
  • the rod is connected to the force receiving end of the L-shaped lever (226).
  • the advantage of the present invention is that only three wheels are used, eliminating one wheel of a typical four-wheel mower, making cornering and reversing more flexible. Saves one round of cost. Enhanced anti-collision insurance and braking effect, mowing and grass selection, and larger activity areas.
  • a flexible three-wheeled lawn mower is required on the narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously raised, and needs to be manually adjusted several times before and after, so the present invention has a front single wheel and a rear
  • the two-wheeled lawn mower with two poles moving up and down synchronously has been born to solve the world problem of three-wheeled lawn mower without the simultaneous adjustment of the front single wheel and the rear double wheel.
  • the three-wheeled lawn mower with the front single wheel and the rear double wheel synchronously moving up and down with one pole is characterized in that the front single wheel height adjuster and the rear double wheel wheel are connected by the heightening long pole (224).
  • the upper single wheel height adjuster is arranged above the front single wheel (t1), and the front single wheel height adjuster comprises an L type lever (226) and an inverted T type up and down moving height adjustment frame (225).
  • the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225) are provided with a horizontal long groove (225a), and the L-shaped lever (226)
  • a point axis (226c) is disposed on the front wheel branch pipe, and an output end axis (226a) of the L-shaped lever (226) is laterally movably inserted into a rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225)
  • the left and right faces are provided with through holes in the horizontal long groove (225
  • the brake is an innovation, and the brake is also provided with an axial shaft that is gradually raised by a function of the friction block.
  • the function of the wave plate to change the squeaking brake is the relaxation of the brake, the intermittent pulsation and the energy of the brakes is a new idea; the center pull wire pulls the turret with the labyrinth to make the reel, so that the grass can not be broken Used in the history of lawn mowers, and the special-shaped multi-groove nylon thread is also advantageous for sharp cutting, energy saving and noise reduction; and because of a winding device with various damping mechanisms, multiple complements are more reliable, that is, by centrifugation Slow retraction device, side piston damping device, position lock and ball position lock, reverse resistance mechanism, reel complemented by the tube angle damper mechanism, which greatly increases the cutting of electric cord mowers with ordinary wires Grass range.
  • a flexible three-wheeled lawn mower is required on the narrow lawn surrounding the trees, but the three-wheeled lawn mower does not have the front single wheel and the rear double wheel synchronously raised, and needs to be manually adjusted several times before and after, so the present invention has a front single wheel and a rear
  • the two-wheeled lawn mower with two poles moving up and down simultaneously up and down was born.
  • the front single wheel height adjuster is installed above the front single wheel (t1), including the L type lever (226) and down.
  • the T-shaped up and down moving height adjustment frame (225), the left and right sides of the rectangular frame of the inverted T type up and down moving height adjustment frame (225) are provided with a horizontal long groove (225a) and an L type lever (226) fulcrum axis (226c).
  • the output end shaft (226a) of the L-shaped lever (226) is laterally movably inserted into the left and right sides of the rectangular frame of the inverted T-type up-and-down moving height adjustment frame (225), and has a horizontal long groove.
  • the force receiving end of the L-shaped lever (226) is connected to the elevated long rod (224).

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)

Abstract

L'invention concerne une tondeuse à gazon à trois roues ayant une seule roue avant (t1) et deux roues arrière (227) qui utilisent une même tige pour se déplacer verticalement afin de régler la hauteur. Une longue tige de réglage de hauteur (224) est reliée à un dispositif de réglage de hauteur de roue avant et à un dispositif de réglage de hauteur de roue arrière. Le dispositif de réglage de hauteur de roue avant est monté au-dessus de la roue avant (t1), et comprend un levier en forme de L (226) et une structure de réglage de hauteur de mouvement vertical en forme de T inverse (225). Des côtés gauche et droit d'une boîte rectangulaire du cadre de réglage de hauteur de mouvement vertical en forme de T inversé (225) sont pourvus de rainures longues (225a) dans la direction horizontale, un arbre de pivot (226c) du levier en forme de L (226) est disposé sur des tuyaux de support de roue avant (t11), un arbre de point d'extrémité de sortie (226a) du levier en forme de L (226) est inséré latéralement et de façon mobile dans des rainures de trou traversant des rainures longues (225a), et une extrémité de support de force du levier en forme de L (226) est reliée à la tige longue de réglage de hauteur (224).
PCT/CN2017/000228 2017-03-13 2017-03-13 Tondeuse à gazon à trois roues ayant une seule roue avant et deux roues arrière qui utilisent une tige pour synchroniser un mouvement vertical pour le réglage de hauteur Ceased WO2018165777A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/000228 WO2018165777A1 (fr) 2017-03-13 2017-03-13 Tondeuse à gazon à trois roues ayant une seule roue avant et deux roues arrière qui utilisent une tige pour synchroniser un mouvement vertical pour le réglage de hauteur

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/000228 WO2018165777A1 (fr) 2017-03-13 2017-03-13 Tondeuse à gazon à trois roues ayant une seule roue avant et deux roues arrière qui utilisent une tige pour synchroniser un mouvement vertical pour le réglage de hauteur

Publications (1)

Publication Number Publication Date
WO2018165777A1 true WO2018165777A1 (fr) 2018-09-20

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928331B3 (fr) * 2008-03-08 2010-03-05 Viking Gmbh Machine guidee a la main telle qu'une motobineuse pourvue d'un guidon reglable.
WO2010151871A2 (fr) * 2009-06-26 2010-12-29 Leonardi Manufacturing Co. Inc. Tondeuse à gazon, débroussailleuse et coupe-bordures électriques combinés
CN204104350U (zh) * 2014-09-10 2015-01-21 浙江萨帕斯工具制造有限公司 一种三轮草坪机
CN104380909A (zh) * 2014-10-28 2015-03-04 湖南农业大学 一种新型割草及旋耕方法
CN204634405U (zh) * 2015-05-22 2015-09-16 郑镕森 一种园林维护用割草机
CN205179752U (zh) * 2015-10-14 2016-04-27 焦新芳 一种节能环保履带式割草机
CN106416591A (zh) * 2016-10-31 2017-02-22 宁波大叶园林设备有限公司 具側边手柄对前三轮转向调固定刹和解锁的草坪割草机

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2928331B3 (fr) * 2008-03-08 2010-03-05 Viking Gmbh Machine guidee a la main telle qu'une motobineuse pourvue d'un guidon reglable.
WO2010151871A2 (fr) * 2009-06-26 2010-12-29 Leonardi Manufacturing Co. Inc. Tondeuse à gazon, débroussailleuse et coupe-bordures électriques combinés
CN204104350U (zh) * 2014-09-10 2015-01-21 浙江萨帕斯工具制造有限公司 一种三轮草坪机
CN104380909A (zh) * 2014-10-28 2015-03-04 湖南农业大学 一种新型割草及旋耕方法
CN204634405U (zh) * 2015-05-22 2015-09-16 郑镕森 一种园林维护用割草机
CN205179752U (zh) * 2015-10-14 2016-04-27 焦新芳 一种节能环保履带式割草机
CN106416591A (zh) * 2016-10-31 2017-02-22 宁波大叶园林设备有限公司 具側边手柄对前三轮转向调固定刹和解锁的草坪割草机

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