CN106178406B - An electric balance car - Google Patents

Abstract

The present invention discloses an electric balancing vehicle, comprising a bicycle; the bicycle comprises a frame, a folding tube rotatably connected to the front of the frame via a horizontal pin, a steering tube rotatably connected to the front of the folding tube and perpendicular to the pin, a front fork fixedly connected to the lower end of the steering tube, an electric unicycle detachably connected to the front fork, a head tube fixedly connected to the upper end of the steering tube, and a rear wheel connected to the rear end of the frame via a rotating shaft. The present invention can be used indoors or outdoors as an exercise vehicle, or as an electric vehicle driven by the electric unicycle.

Description

An electric balance car

technical field

The invention belongs to the field of exercise bikes, and in particular relates to a structure of an exercise bike with multiple functions.

Background technique

The Chinese patent whose document number is CN102180220A discloses a kind of balance exercise bicycle. When in use, people stand on the pedals and step on the pedals to make them swing up and down. On the one hand, the bicycle is driven to move and play the role of walking, and on the other hand, it simulates the running action to exercise. This kind of fitness bicycle has good body-building effect, but this fitness bicycle also can only be used as body-building, can comparatively consume physical strength when needing to ride long distance, is not suitable as transportation, has limited its scope of use, in addition, when outdoor When the weather is bad and you need to exercise indoors, this exercise bike cannot be used.

Contents of the invention

The technical problem to be solved by the present invention is to provide a multi-functional exercise bike that is rich in functions, can be used for indoor and outdoor exercise, and can be used as an electric vehicle.

In order to achieve the purpose of the present invention, the following technical solutions are adopted: an electric balance car, including a bicycle; The steering tube at the front of the folding tube and perpendicular to the pin axis, the front fork fixedly connected to the lower end of the steering tube, the electric unicycle detachably connected to the front fork, the head tube fixedly connected to the upper end of the steering tube, and through the rotating shaft The rear wheel attached to the rear end of the frame.

The two sides of the body of the electric unicycle are respectively rotated and connected with rollover pedals; the electric unicycle is formed with two front fork holes mated with the front fork; the side wall of the electric unicycle corresponds to the front fork holes. The position of the hole is threadedly connected with a front fork tightening nut in order to fix the front fork.

The folded tube is in the shape of a circular arc with a central angle of 85° to 95°, the front end of the folded tube is fixedly connected with a steering fixed tube, and the fixed steering tube is connected to the steering tube through a bearing for rotation; the rear of the folded tube The end is fixedly connected with a circular rotating seat, and a connecting hole is provided in the middle of the circular rotating seat, which is rotatably connected with the pin shaft, and a positioning hole is provided on the circular rotating seat at a position different from the connecting hole.

Both sides of the front end of the vehicle frame are formed with two rotating seat connecting plates, and a rotating seat matching port for accommodating the circular rotating seat is formed between the two rotating seat connecting plates. The rotating seats are rotatably connected by the pin shaft, and a positioning pin is detachably connected between the rotating seat connecting plate and the circular rotating seat, and a pin hole is opened on the rotating seat connecting plate, and the positioning pin passes through Through the pin hole and one positioning hole, the circular swivel seat is relatively fixed to the vehicle frame; a pin placement hole is opened above the folded tube near the fixed steering tube.

The middle position of the frame is fixedly connected with two cranks through the central shaft; the central shaft is rotationally connected with the frame; one end of the rotational connection between the crank and the frame is provided with a central shaft connection hole, and the other end is fixedly connected with a bearing ; The central position of the central shaft is fixedly connected with a gear, and an acceleration gear set connected to the gear transmission on the central shaft is installed in the vehicle frame, and the output end of the acceleration gear set is connected to the side of the rear wheel. The flywheels are connected through a transmission chain.

The middle part of the vehicle frame is located at the rear side of the crank and is provided with a first electromagnetic lock and a second electromagnetic lock; the first electromagnetic lock is fixedly connected to the left side of the vehicle frame; the vehicle frame is located below the second electromagnetic lock A support block is fixedly connected; the second electromagnetic lock has a housing, a plug-in rod that is slidably connected with the housing and has one end protruding out of the housing, a permanent magnet that is fixedly connected to the plug-in rod, and is fixedly installed on the The first electromagnet and the second electromagnet are located at the two ends of the permanent magnet in the casing.

The first electromagnetic lock has the same structure as the second electromagnetic lock; a pressure sensor is fixedly connected between the second electromagnetic lock and the supporting block.

The two ends of the pin shaft are respectively connected with a pedal; the pedal includes a pedal body, a riser integrally connected to the lower front side of the pedal body, and a turning head integrally connected to the front end of the riser, the turning head and the The pin shaft is rotatably connected.

The positions of the inserting rods corresponding to the first electromagnetic lock and the second electromagnetic lock are respectively formed on the vertical plate, and there are U-shaped positioning grooves that are positioned with the inserting rods and open downward, and are rolled and connected with the bearings. The strip-shaped hole; the alternate movement of the two pedals up and down drives the crank and the central axis to rotate counterclockwise.

The first electromagnet and the second electromagnet of the first electromagnetic lock, the first electromagnet and the second electromagnet of the second electromagnetic lock, and the pressure sensor are respectively electrically connected to the controller.

As a preferred solution: a positioning edge is formed between the upper end wall surface and the rear end wall surface of the vehicle body on the electric unicycle.

As a preferred solution: the upper end of the pedal body is formed with a long rectangular lower concave portion 411, and the bottom surface of the lower concave portion is equidistantly formed with a plurality of anti-slip ribs 412 along the length direction of the pedal body, and each anti-skid rib is formed along the width direction of the pedal body. layout.

As a preferred solution: the acceleration gear set includes a gear a meshing with the gear and a gear b coaxially fixedly connected with the gear a, the gear b is connected with the transmission chain, and the number of teeth of the gear b is greater than that of the gear a.

As a preferred solution: a control switch for controlling the elongation or shortening of the insertion rod is installed on the head pipe.

As a preferred solution: the steering tube includes a lower tube portion fixedly connected to the front fork, and an upper tube portion inserted into the lower tube portion, and the head tube is fixedly connected to the upper tube portion.

As a preferred solution: the front end of the locating pin is hemispherical, the rear end of the locating pin is integrally formed with a pin head, the pin head is rotatably connected with an operating rod through a connecting pin, and the outer wall of the locating pin is formed near the position of the pin head. The threaded part is threadedly connected with the pin hole.

Compared with prior art, the beneficial effect of the present invention is:

The present invention has multiple usage states, specifically:

When you need to exercise outdoors, use the positioning pins to fix the folding tube and the frame, and keep the power of the electric unicycle off. At this time, the electric unicycle is used as the driven front wheel. The user alternately steps on the two pedals through both legs The driving crank drives the central shaft to rotate counterclockwise, and the central shaft drives the rear wheel to rotate through the transmission chain after being accelerated by the acceleration gear set.

When the present invention needs to be used as a means of transportation, the power supply of the electric unicycle is turned on, the positioning pin is removed and placed in the pin placement hole, so that the circular rotating seat of the folding tube can rotate relative to the vehicle frame; On the pedal of the pedal, keep the right pedal body higher than the left pedal body, press the control switch, so that the second electromagnetic lock can eject the corresponding insertion rod, apply pressure and the right pedal, because the second electromagnetic lock A pressure sensor is installed between the support block and the pressure sensor on the right. When the pressure on the pressure sensor on the right reaches a certain value, that is, when the U-shaped positioning groove on the right is in contact with the insertion rod, the left insertion rod pops up. At this time, the two pedals Being on the same plane, using the self-balancing characteristics of the electric unicycle itself when riding, you only need to push the head tube forward to make the electric unicycle tilt forward, and the electric unicycle can be driven forward. At this time, the present invention is used as an electric vehicle.

When the front fork tightening nut that is arranged on the electric unicycle is unscrewed, the electric unicycle can break away from the present invention and use alone this moment.

Description of drawings

Fig. 1, Fig. 4 are structural representations of the present invention.

Fig. 2 is a schematic structural view of the present invention with the bottom plate removed.

Fig. 3 is a schematic diagram of the exploded structure of the bicycle.

Fig. 5 is a structural schematic diagram of the bottom plate.

Fig. 6 is a schematic structural view of the rollover pedal of the electric unicycle in a retracted state.

Fig. 7 is a structural schematic diagram of the rollover pedal of the electric unicycle in an unfolded state.

Fig. 8 is a schematic structural view of the main body of the bicycle.

Fig. 9 is a structural schematic view of the front fork, the steering tube and the head tube.

Fig. 10 is a schematic diagram of the structure of the folded tube part.

Fig. 11 and Fig. 12 are structural schematic diagrams of positioning bolts.

Figure 13 and Figure 14 are schematic structural views of the pedal part.

Fig. 15 is a structural schematic diagram of the electromagnetic lock.

1. Bottom plate; 11. Transmission belt; 13. Rear support seat; 14. Insertion hole; 15. Support seat tightening nut; 2. Electric unicycle; 201. Positioning edge; 21. Rollover pedal; 22. Front fork hole ;23, front fork tightening nut; 31, front fork; 32, steering tube; 33, head tube; 34, folding tube; 341, circular rotating seat; 3411, connecting hole; 3412, positioning hole; Tube; 343, pin placement hole; 36, positioning pin; 361, pin head; 362, operating rod; 363, threaded part; 4, pedal; 41, pedal body; 411, lower concave part; Riser; 421, bar-shaped hole; 43, rotating head; 44, U-shaped positioning groove; 51, crank; 511, connecting hole of central axis; 512, bearing; 52, first electromagnetic lock; 53, second electromagnetic lock; 530, plug-in rod; 532, housing; 533, first electromagnet; 534, second electromagnet; 535, permanent magnet; 54, support block; 6, vehicle frame; 61, rear fixing seat; 611, rear positioning Inserting rod; 612, rear positioning bolt; 62, central axis; 63, bearing pin; 64, swivel seat matching port; 7, rear wheel; 71, first magnet; 8, driving wheel; 81, second magnet.

Detailed ways

Example 1

According to Fig. 1 to Fig. 15, this embodiment is an electric balance car, including a base plate 1, a bicycle detachably mounted on the base plate; the bicycle includes a frame 6, which is connected by a horizontal pin shaft The folding tube 34 at the front of the vehicle frame, the steering tube 32 that is connected to the front of the folding tube and is perpendicular to the pin shaft 63, is fixedly connected to the front fork 31 at the lower end of the steering tube, and the electric motor that is detachably connected to the front fork The wheelbarrow 2 is fixedly connected to the head pipe 33 on the upper end of the steering pipe, and the rear wheel 7 connected to the rear end of the vehicle frame through a rotating shaft.

The two sides of the vehicle body of the electric unicycle 2 are respectively rotated and connected with rollover pedals 21; two front fork holes 22 that are mated with the front fork are formed on the electric unicycle; The position of the front fork accommodation hole is threadedly connected with the front fork tightening nut 23 in order to fix the front fork.

The folded tube is in the shape of a circular arc with a central angle of 85° to 95°, and the front end of the folded tube is fixedly connected with a steering fixed tube 342, and the fixed steering tube and the steering tube are rotatably connected through a bearing; The rear end is fixedly connected with a circular rotating seat 341, and a connecting hole 3411 is provided in the middle of the circular rotating seat, which is rotatably connected with the pin shaft, and a positioning hole 3412 is provided on the circular rotating seat at a position different from the connecting hole. .

Both sides of the front end of the vehicle frame are formed with two rotating seat connecting plates, and a rotating seat matching port 64 for accommodating the circular rotating seat is formed between the two rotating seat connecting plates. The rotating seats are connected through the pin shaft, and the positioning pin 36 is detachably connected between the connecting plate of the rotating seat and the circular rotating seat. The connecting plate of the rotating seat is provided with a pin hole. The pin passes through the pin hole and one of the positioning holes so that the circular swivel seat is relatively fixed to the vehicle frame; a pin placement hole 343 is opened above the folded tube near the fixed steering tube.

The middle position of the vehicle frame is fixedly connected with two cranks 51 through the central axis 62; Bearing 512 is connected; the middle position of the central shaft is fixedly connected with a gear, and the acceleration gear set connected with the gear transmission on the central shaft is installed in the vehicle frame, and the output end of the acceleration gear set is connected to the The flywheels on one side of the rear wheel are connected through a transmission chain.

The middle part of the vehicle frame is located at the rear side of the crank and is provided with a first electromagnetic lock 52 and a second electromagnetic lock 53; the first electromagnetic lock is fixedly connected to the left side of the vehicle frame; A support block 54 is fixedly connected to the bottom of the lock; the second electromagnetic lock has a housing 532, a plug-in rod 530 that is slidably connected with the housing and one end extends out of the housing, and a permanent magnet fixedly connected to the plug-in rod 535, and a first electromagnet 533 and a second electromagnet 534 fixedly installed in the housing at two ends of the permanent magnet.

The first electromagnetic lock has the same structure as the second electromagnetic lock; a pressure sensor is fixedly connected between the second electromagnetic lock and the support block.

The two ends of the bearing pin are respectively rotatably connected with a pedal 4; the pedal includes a pedal body 41, a vertical plate 42 integrally connected to the lower front side of the pedal body, and a rotating head 43 integrally connected to the front end of the vertical plate. The rotatable head is rotatably connected with the pin shaft.

The position of the insertion rod corresponding to the first electromagnetic lock and the second electromagnetic lock is formed on the vertical plate, and a U-shaped positioning groove 44 that is positioned in cooperation with the insertion rod and opens downward is respectively provided, and cooperates with the bearing to roll. The connected strip hole 421; the alternate movement of the two pedals up and down drives the crank and the central axis to rotate counterclockwise.

Both sides of the rear end of the vehicle frame are rotatably connected with two rear fixing seats 61 through rear positioning bolts 612 , and the lower end of the rear fixing seats is fixedly connected with a rear positioning insertion rod 611 .

A strip-shaped groove is opened along the length direction on the bottom plate, and a transmission belt 11 is installed in the strip-shaped groove on the bottom plate, and the two ends of the transmission belt are sleeved between two transmission rollers.

The wheels of the electric unicycle are connected with the transmission belt by means of friction transmission.

Two rear support bases 13 are fixedly installed on both sides of the transmission belt above the rear part of the base plate, and the upper end of the rear support base is provided with an insertion hole 14 that is mated with the rear positioning insertion rod; The support seat is provided with a support seat tightening nut 15; the position above the rear part on the base plate is located at the position of the rear wheel and is rotatably connected with a transmission wheel 8 connected to the rear wheel transmission; the transmission wheel 8 is opposite to the rear wheel 7 The outer periphery of the end surface is fixedly connected with a plurality of second magnets 81 distributed at equal intervals; the end surface of the rear wheel 7 opposite to the drive wheel 8 is fixedly connected with the first magnets 71 at positions corresponding to the second magnets.

The transmission wheel is in transmission connection with the transmission roller.

The first electromagnet and the second electromagnet of the first electromagnetic lock, the first electromagnet and the second electromagnet of the second electromagnetic lock, and the pressure sensor are respectively electrically connected to the controller.

A positioning edge 201 is formed on the electric unicycle between the upper wall surface and the rear wall surface of the vehicle body.

The upper end of the pedal body is formed with a long rectangular lower concave portion, and the bottom surface of the lower concave portion is equidistantly formed with a plurality of anti-skid ribs along the length direction of the pedal body, and each anti-skid rib is arranged along the width direction of the pedal body.

The acceleration gear set includes a gear a meshed with the gear and a gear b coaxially fixedly connected with the gear a, the gear b is connected with the transmission chain, and the number of teeth of the gear b is greater than that of the gear a.

A control switch for controlling the extension or shortening of the insertion rod is installed on the head tube.

The steering tube includes a lower tube part fixedly connected with the front fork, and an upper tube part plugged into the lower tube part, and the head tube is fixedly connected with the upper tube part.

The front end of the locating pin is hemispherical, and the rear end of the locating pin is integrally formed with a pin head 361, on which an operating rod 362 is rotatably connected by a connecting pin. The threaded portion 363 that is threadedly connected to the pin hole.

The transmission wheel is connected to the transmission roller through a transmission chain.

The present invention has multiple usage states, specifically:

When you need to exercise outdoors, use the positioning pins to fix the folding tube and the frame, and keep the power of the electric unicycle off. At this time, the electric unicycle is used as the driven front wheel. The user alternately steps on the two pedals through both legs The driving crank drives the central shaft to rotate counterclockwise, and the central shaft drives the rear wheel to rotate through the transmission chain after being accelerated by the acceleration gear set.

When the present invention needs to be used as a means of transportation, the power supply of the electric unicycle is turned on, the positioning pin is removed and placed in the pin placement hole, so that the circular rotating seat of the folding tube can rotate relative to the vehicle frame; On the pedal of the pedal, keep the right pedal body higher than the left pedal body, press the control switch, so that the second electromagnetic lock can eject the corresponding insertion rod, apply pressure and the right pedal, because the second electromagnetic lock A pressure sensor is installed between the support block and the pressure sensor on the right. When the pressure on the pressure sensor on the right reaches a certain value, that is, when the U-shaped positioning groove on the right is in contact with the insertion rod, the left insertion rod pops up. At this time, the two pedals Being on the same plane, using the self-balancing characteristics of the electric unicycle itself when riding, you only need to push the head tube forward to make the electric unicycle tilt forward, and the electric unicycle can be driven forward. At this time, the present invention is used as an electric vehicle.

When the front fork tightening nut that is arranged on the electric unicycle is unscrewed, the electric unicycle can break away from the present invention and use alone this moment.

When it is necessary to use the present invention to carry out body building indoors, the bottom plate is placed in a suitable position, and the rear positioning inserting rods are respectively aligned with the insertion holes on the rear support seat and inserted. At this time, the rear wheels pass through the first magnet and the second magnet. Drive the transmission wheel to rotate, and the transmission wheel is connected to the transmission roller through the transmission chain to rotate, so that the transmission belt moves and drives the electric unicycle to rotate. When the user steps on the pedal to drive the rear wheel to rotate, the rear wheel will drive the transmission wheel to rotate, and the transmission wheel will drive the transmission belt. The wheel of the electric unicycle rotates because the rear positioning insert rod of the frame is plugged into the rear support seat of the bottom plate, the rear positioning bolt of the rear fixing seat is connected with the frame in rotation, and is fixed with the support seat tightening nut, and the frame only passes through the rear positioning The bolt is connected to the bottom plate, and the wheels of the electric unicycle rotate by the friction of the conveyor belt, so the user can turn the head tube according to the actual needs as when exercising outdoors when exercising indoors, which increases the comfort of exercising; It is a three-phase hub motor. When the wheel rotates, it will drive the hub motor to generate electricity. The controller of the electric unicycle can store the electric energy generated by the hub motor in the battery after rectification. In this state of use, the electric unicycle can increase damping, and at the same time can generate electricity, and can achieve a good fitness effect without additional damping devices on the rear wheels.

Claims (1)

1. a kind of electrodynamic balance vehicle, it is characterised in that：It include bicycle；The bicycle includes vehicle frame, passes through level Axis pin is rotatably connected on the folded tube of vehicle frame front, is rotatably connected on steering tube folded tube front and vertical with axis pin, Gu Surely it is connected to the front fork of steering tube lower end, the electric unicycle being detachably connected on front fork is fixedly connected on steering tube The head tube at end, and it is connected to by shaft the trailing wheel of vehicle frame rear end；

The vehicle body both sides of the electric unicycle are rotatably connected to rollover pedal respectively；On the electric unicycle there are two moldings The front fork of grafting is coordinated to hold hole with the front fork；The position that front fork appearance hole is corresponded on the electric unicycle side wall is connected by screw thread It is connected to the front fork tightening nut of fixed front fork；

The folded tube is 85~95 ° arc-shaped in central angle, and the front end of the folded tube is fixedly connected solid there are one turning to Fixed tube turns to fixing pipe and is rotatablely connected by bearing with the steering tube；Justify there are one being fixedly connected the rear end of the folded tube Shape rotation seat opens up among the circular rotatable seat there are one the connecting hole being rotatablely connected with axis pin, on the circular rotatable seat Location hole is offered different from the position of connecting hole；

The front end both sides molding of the vehicle frame is there are two circular rotatable seat connecting plate, between two circular rotatable seat connecting plates The rotation seat for accommodating the circular rotatable seat is formed with healing up, is passed through between the circular rotatable seat connecting plate and circular rotatable seat The axis pin rotation connection, fastening screw is detachably connected between the circular rotatable seat connecting plate and circular rotatable seat, Pin hole is offered on the circular rotatable seat connecting plate, the fastening screw passes through the pin hole and a location hole So that circular rotatable seat is relatively fixed with vehicle frame；Bolt is further opened with above the folded tube close to the position for turning to fixing pipe to put Set hole；

The medium position of the vehicle frame is fixedly connected by axis there are two crank；The axis is rotatablely connected with vehicle frame；It is described Crank and one end of vehicle frame rotation connection offer axis connecting hole, and the other end is fixedly connected with bearing；The middle part of the axis Position is fixedly connected with gear, and the accelerating gear group being connect with the gear drive on the axis is equipped in the vehicle frame, is added The output end of fast gear set and being connected between the flywheel of the trailing wheel side is sequentially connected by transmission chain；

The rearward position for being located at crank in the middle part of the vehicle frame is provided with the first electromagnetic lock and the second electromagnetic lock；First electromagnetic lock It is fixedly connected on the left side of the vehicle frame；The vehicle frame, which is located at below the second electromagnetic lock, is fixedly connected with supporting block；Described second There are one shells for electromagnetic lockset, and be slidably connected with shell and one end extend out to the shank outside shell, is fixedly connected on grafting Permanent magnet on bar, and it is fixedly mounted on the first electromagnet and the second electromagnet for being located at permanent magnet both ends in shell；

First electromagnetic lock is identical as second electromagnetic lock structure；It is fixedly connected between second electromagnetic lock and supporting block There is pressure sensor；

The both ends of the axis pin are rotatably connected to pedal respectively；The pedal includes pedal body, is integrally attached under pedal body Riser on front side of portion, and it is integrally attached to the rotary head of riser front end, the rotary head is rotatablely connected with the axis pin；

The position that the shank of corresponding first electromagnetic lock and the second electromagnetic lock is formed on the riser offers respectively and grafting Bar cooperation positioning and downward opening U-shaped locating slot, and roll the strip-shaped hole connected with the bearing fit；It is stepped on described in two Plate up-down alternative motion drives crank to be rotated counterclockwise together with axis；

The first electromagnet and the second electromagnet of first electromagnetic lock, the first electromagnet and the second electromagnetism of the second electromagnetic lock Iron, pressure sensor are electrically connected with the controller respectively.