CN113798590B - Electric tool - Google Patents

Abstract

The electric tool comprises a machine body, a power assembly, an output piece, a clamping device, a battery pack, a bottom plate assembly and a bottom plate assembly, wherein the power assembly is arranged in the machine body, the output piece is driven by the power assembly to output power, the clamping device is connected to the output piece and used for clamping a working accessory, the battery pack is connected with the machine body and used for supplying power to the power assembly, the bottom plate assembly is connected with the machine body and comprises a bottom plate which is in contact with a workpiece, the bottom plate assembly comprises a first supporting unit and a second supporting unit, the first supporting unit and the second supporting unit are located in the same supporting plane, the first supporting unit and the second supporting unit jointly support the tool to stand, and the working accessory faces the supporting plane when the tool stands.

Description

Electric tool

Technical Field

The invention relates to the technical field of electric tools, in particular to an electric tool.

Background

The jig saw is mainly used for cutting metal and wood in the production and processing process, wherein the jig saw is often provided with a working accessory, a saw blade is used as a working saw blade of the jig saw, and when the jig saw is in operation, the saw blade is arranged on the output head and extends out of the bottom plate to be arranged towards a workpiece, so that the bottom plate is abutted against the surface of the workpiece, and cutting is realized through reciprocating movement of the saw blade. The teeth of the jig saw are sharpened, has the characteristics of sharp cutting, and the like,

Therefore, when not in use, the saw blade is usually detached from the main machine, so that potential safety hazards caused by the exposure of the saw blade to users are avoided.

However, in the short gap of use, frequent disassembly of the saw blade is time-consuming and laborious, and meanwhile, as the saw blade is exposed out of the bottom plate, the jig saw cannot stand on the workbench through the bottom plate, so that a user can normally lie the jig saw on the workbench in the gap of use, and the saw blade still has the risk of accidentally injuring the user at the moment.

Disclosure of Invention

In order to solve the defects in the prior art, the invention aims to provide an electric tool capable of standing with an accessory.

In order to achieve the above object, the present invention adopts the following technical scheme:

a power tool, comprising:

A body;

the power assembly is arranged in the machine body;

an output member driven by the power assembly to output power;

clamping means connected to the output member for clamping a work attachment;

The battery pack is connected with the machine body and supplies power to the power assembly;

a base plate assembly connected to the body, the base plate assembly including a base plate in contact with a workpiece;

the battery pack comprises a first supporting unit, the bottom plate comprises a second supporting unit, the first supporting unit and the second supporting unit are located in the same supporting plane, the first supporting unit and the second supporting unit jointly support the tool to stand, and when the tool stands, the working accessory faces to the supporting plane.

Further, the first support unit is provided as a wire support unit or a surface support unit, and the second support unit is provided as a wire support unit or a surface support unit.

Further, the partial housing on the battery pack is configured as the first supporting unit, and the rear side edge of the bottom plate, which faces away from the output member, is configured as the second supporting unit.

Further, the first supporting unit and the second supporting unit are arranged at intervals, and when the tool stands, the projection of the gravity center of the tool to the supporting plane is located between the first supporting unit and the second supporting unit.

Further, when the tool stands, the included angle between the surface of the bottom plate and the supporting plane is alpha, and the alpha is more than or equal to 35 degrees and less than or equal to 60 degrees.

Further, the machine body comprises a first machine body and a second machine body, the first machine body is connected with the bottom plate assembly, the rear end of the second machine body is connected with the battery pack, and the first machine body and the second machine body are arranged at an angle;

The power assembly is supported in the machine body through a bearing frame, the bearing frame comprises a supporting part and a reinforcing part, the supporting part is located in the machine body, the reinforcing part extends out of the machine body and then is connected with the bottom plate assembly, and the reinforcing part comprises a balance reinforcing part extending towards the direction far away from the first machine body.

Further, the bottom plate comprises a connecting portion, the balance reinforcing portion is connected with the connecting portion, the reinforcing portion further comprises an auxiliary reinforcing portion, and the auxiliary reinforcing portion comprises webs arranged on two sides of the balance reinforcing portion.

Further, the bearing frame also comprises a reinforcing component, and the reinforcing component is matched and fixed with the inner shell of the machine body;

the reinforcing component comprises connecting ribs and connecting columns, the connecting ribs are arranged on the surface of the supporting portion, matched with the inner shell of the machine body, and the connecting columns are arranged on the reinforcing portion.

Further, the reinforcement assembly further comprises a connection boss arranged on the supporting portion, and a screw connection hole is formed in the connection boss.

Further, the tool comprises a first holding part positioned on the first machine body and a second holding part positioned on the second machine body, wherein the first holding part further comprises a first elastic part, and the area ratio of the first elastic part to the first machine body shell is greater than or equal to 50%.

According to the electric tool, the electric tool can stand on the supporting surface by arranging the first supporting unit and the second supporting unit, so that the tool can stand in the using gap, potential safety hazards caused by directly lying the tool on the operating table surface are avoided, and repeated dismounting of the working accessories in the using gap for ensuring safety is also avoided.

Drawings

FIG. 1 is a schematic view of the construction of a jigsaw of the present invention;

FIG. 2 is a schematic view of the scroll saw shown in FIG. 1 with the work attachment removed;

FIG. 3 is a schematic view of the scroll saw of FIG. 1 after opening the left housing;

FIG. 4 is a schematic view of the scroll saw of FIG. 1 after opening the right housing;

FIG. 5 is a schematic illustration of the connection of the bearing bracket to the base plate assembly of the present invention;

FIG. 6 is a schematic view of the present invention when the jig saw is standing;

FIG. 7 is a schematic view of a finger of the jigsaw of the present invention;

FIG. 8 is a top view of the jig saw shown in FIG. 1;

fig. 9-10 are front views of the lighting unit of the present invention;

FIG. 11 is a schematic view of the assembly of the rear bearing housing and the switch assembly of the motor of the present invention;

FIG. 12 is a schematic view of the switch assembly of FIG. 11;

FIG. 13 is a schematic view of the relationship of the governor knob of the present invention to the first body;

fig. 14 is a schematic view of the distribution position of the governor knob of the present invention.

Reference numerals:

100-jig saw, 101-first axis, 102-first fuselage axis, 103-second fuselage axis;

110-fuselage, 111-first fuselage, 1111-first elastic portion, 112-second fuselage, 1121-second elastic portion, 1122-right-limit outer edge, 1123-left-limit outer edge;

120-output member;

130-a clamping device;

140-power assembly, 141-motor, 142-eccentric gear assembly, 143-motor front bearing, 144-motor rear bearing, 145-rear bearing seat, 1451-opening;

150-bearing bracket, 151-supporting part, 152-balance reinforcing part, 153-auxiliary reinforcing part, 154-connecting column, 155-connecting rib and 156-connecting boss;

160-upper finger stops;

170-a lower finger stop;

200-battery pack, 210-first support unit;

300-a base plate assembly;

310-bottom plate, 311-first side, 312-second side;

320-rotation connecting part 321-connecting hole;

331-square nut, 332-clamping pressing plate, 333-screw;

340-a second support unit;

400-working attachment;

500-a switch assembly;

510-pushing key, 520-pull rod, 521-thin neck, 522-connecting part, 523-triggering part, 5231-connecting hole;

530-switch 531-toggle;

600-speed adjusting assembly, 610-speed adjusting knob, 611-rotation axis, 612-knob center;

700-supporting plane;

800-lighting units;

900-mounting area, 910-first mounting area, 920-second mounting area.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

As shown in fig. 1-2, an embodiment of the present invention is a power tool, specifically a jig saw 100. The jig saw of the invention is used for cutting metal, wood and the like, and can cut workpieces of different materials according to different accessories which are specifically installed. The embodiment of the invention provides an electric tool, in particular to a jig saw.

As shown in fig. 2, the jig saw 100 includes a body 110, a power assembly 140, an output 120, a clamping device 130, a battery pack 200, and a base plate assembly 300, the base plate assembly 300 including a base plate 310 that contacts a workpiece.

Referring to fig. 2, the body 110 includes a first body 111 and a second body 112 connected to each other, and the first body 111 and the second body 112 are disposed at an angle to each other. The first fuselage 111 has a first fuselage axis 102 and the second fuselage 112 has a second fuselage axis 103, the first fuselage axis 102 being perpendicular to the floor 310 and the second fuselage axis 103 being parallel to the floor 310.

The first body 111 extends in the vertical direction substantially perpendicular to the base plate assembly 300, the second body 112 extends in the front-rear direction substantially parallel to the base plate assembly 300 in the present embodiment, wherein the vertical direction in the present invention refers to the direction parallel to the first axis 102, the side far from the base plate assembly 300 is the upper side, the side near the base plate assembly 300 is the lower side, the front-rear direction refers to the direction parallel to the second body axis 103, the side near the working accessory is the front, and the side near the battery pack is the rear.

As shown in fig. 5, the base plate assembly 300 is disposed outside the main body 110 and connected to the first main body 111, and the base plate assembly 300 includes a base plate 310 and a rotation connection portion 320, wherein the base plate 310 contacts a workpiece, the rotation connection portion 320 is rotatably connected to the first main body 111, wherein the rotation connection portion 320 is rotatably connected to the first main body 111 by taking the first axis 101 as an axis, and the first axis 101 is parallel to a plane of the base plate 310, so that the bevel cutting of the curve saw 100 can be achieved.

Referring to fig. 5, the base plate 130 is formed with a base plate plane for contacting with a workpiece, the rotation coupling part 320 is for coupling the base plate 130 with the body 110, the rotation coupling part 320 has a protrusion from the base plate 130 toward the body 110, the rotation coupling part 320 has a substantially arched shape, the rotation coupling part 320 extends in a direction substantially parallel to the first axis 101, and the rotation coupling part 320 is coupled with the body 110 through a coupling assembly.

Referring to fig. 3 to 4, the power assembly 140 includes a motor 141 and a transmission assembly, the motor 141 is connected to the output member 120 via the transmission assembly, wherein the transmission assembly includes an eccentric gear assembly 142 in the present embodiment, and the output member 120 of the present invention is a reciprocating rod extending in a direction parallel to the axis of the first body 111, and the reciprocating rod is driven to reciprocate by the motor 141.

Specifically, as shown in fig. 4, a motor 141 is disposed in the second body 112, and a motor gear at an output end of the motor is engaged with the eccentric gear, and the motor 141 rotates to drive the eccentric gear to rotate, thereby driving the reversing lever to reciprocate up and down.

The clamping device 130 is connected with the reciprocating rod, the clamping device 130 is used for clamping the working attachment 400, the working attachment 400 in the embodiment of the invention is a saw blade, the saw blade is arranged outside the machine body 110, saw teeth are formed on one side of the saw blade, and the saw blade reciprocates to cut a workpiece. The clamping device 130 is provided at an end of the reciprocating lever, and a portion of the work attachment 400 is inserted into and fixed to the clamping device 130. Specifically, a cavity is formed in the clamping device 130, and a portion of the operating accessory 400 is received and secured within the cavity when the operating accessory 400 is mounted to the clamping device 130.

As shown in fig. 4, in which the motor 141 is supported in the second body 112 via the motor front bearing 143 and the motor rear bearing 144, the housing inner wall of the second body 112 is provided with a rear bearing housing, the motor rear bearing 144 is supported in the rear bearing housing 145, and a bearing bracket 150 is provided, referring to fig. 5, the bearing bracket 150 is an L-shaped bracket including a supporting portion 151 and a reinforcing portion 152, wherein the supporting portion 151 is provided in the first body 111 and extends along the axis of the first body 111, and the reinforcing portion 152 is partially located outside the body and is connected with the floor assembly 300.

Specifically, referring to fig. 4, a motor bearing unit and an eccentric gear supporting unit are provided on the supporting portion 151, a motor front bearing 143 is provided in the motor bearing unit, an eccentric gear bearing is provided in the eccentric gear supporting unit, the supporting portion 151 mainly plays a supporting role, and the reinforcing portion extends in a direction parallel to the bottom plate 310, while the reinforcing portion includes a balance reinforcing portion 152 extending in a direction away from the first body 111.

On the other hand, by extending the balance reinforcing part 152 along the direction away from the first body 111, the balance of the whole machine can be improved, and the unbalance of the machine body caused by the heavy dead weight of the first body 111 is avoided, so that the situation that a user needs to apply a larger acting force to balance the whole machine with the second body 112 when using the machine is avoided, and the operation experience of the user is improved.

As shown in fig. 5, the balance reinforcement 152 is provided to extend out of the first body 111 of the machine, and the balance reinforcement 152 is connected to the rotation connection part 320 of the floor assembly 300 after extending out of the body, and since the rotation connection part 320 has a protruding outer circumferential surface, the bottom of the balance reinforcement 152 is provided with a recessed inner circumferential surface engaged with the outer circumferential surface, the outer circumferential surface is provided coaxially with the inner circumferential surface, and the rotation connection part 320 is connected to the balance reinforcement 152 through the connection assembly.

Specifically, referring to fig. 5, the rotary connection part 320 includes an inner region near the bottom plate 310 and an outer region far from the bottom plate 310, wherein a connection hole 321 is provided at a top center of the rotary connection part 320, and the connection assembly includes a square nut 331, a clamping press plate 332 and a screw 333, wherein the clamping press plate 332 is disposed in the inner region corresponding to the connection hole 321, the square nut 331 is disposed in the outer region corresponding to the connection hole 321, and the screw 333 is fixedly connected with the square nut 331 after passing through the clamping press plate 332 and the connection hole 321 in sequence.

Further, the coupling hole 321 is an arc-shaped coupling hole extending in a circumferential direction provided on an outer circumferential surface of the rotation coupling portion 320, and a fixing position of the bearing bracket 150 and the rotation coupling portion 320 is adjustable by the coupling assembly, thereby allowing the rotation coupling portion 320 of the base plate assembly 300 and the first body 111 to be configured to be rotatably coupled with the first axis 101 as an axis, so that the bevel cutting of the jigsaw 100 can be achieved.

Of course, the reinforcing part further includes an auxiliary reinforcing part 153, wherein the auxiliary reinforcing part 153 includes webs disposed at both sides of the balance reinforcing part, and the auxiliary reinforcing part 153 is used for improving the supporting strength of the bearing frame 150 and the whole machine.

The bearing bracket in the embodiment of the invention further comprises a reinforcing component, wherein the reinforcing component is matched with the inner shell of the machine body for reinforcing and fixing, the reinforcing component comprises connecting ribs 155 and connecting columns 154, the connecting ribs 155 are arranged on the surface of the supporting part 151 matched with the inner shell of the machine body, and the connecting columns 154 are arranged on the reinforcing part, in particular to the outer side of the web plate of the auxiliary reinforcing part 153. Wherein the connection ribs 155 may be engaged with the grooves of the inner wall of the first body to enhance the connection stability of the bearing bracket support portion with the body, and likewise, the connection posts 154 may be engaged with the holes of the inner wall of the first body to enhance the connection stability of the bearing bracket support portion with the body.

Of course, in order to further improve the connection strength between the bearing frame and the machine body, the reinforcement assembly further includes a connection boss 156 provided on the support portion, and a screw connection hole is provided in the connection boss 156. Correspondingly, screw holes are also formed in the inner wall of the machine body, and the connecting boss 156 can be fixed with the machine body by adopting screws, so that the connection strength of the bearing frame and the machine body is further improved, and the connection is more reliable and stable.

The bearing frame 150 in this embodiment is an integral structure, which may be an aluminum bearing frame, but may be other metal bearing frames, which is not limited herein.

The battery pack 200 is connected with the rear end of the second body 112 and supplies power to the power assembly, specifically, the battery pack 200 is connected with the display leg of the second body 112, and a control assembly is further arranged at the display leg of the second body 112 and mainly comprises a control circuit board.

Referring to fig. 6, the battery pack 200 includes a first support unit 210, the base plate assembly 300 includes a second support unit 340, the first support unit 210 and the second support unit 340 are located in the same support plane 700, and the first support unit 210 and the second support unit 340 support the jig saw 100 together so that the work attachment 400 faces the support plane 700 when the tool stands.

Through setting up first supporting element and second supporting element on the instrument for the clearance that the instrument was using can stand in table surface, avoids leaking outside the work annex that leads to when lying on the mesa with the instrument because of the instrument can't stand, perhaps because of the slip of instrument or drop the potential safety hazard that brings.

Wherein the first support unit 210 is provided as a wire support unit or a surface support unit, and the second support unit 340 may also be provided as a wire support unit or a surface support unit. The partial housing on the battery pack 200 in this embodiment is configured as the first supporting unit 210, where the contact portion between the housing of the battery pack 200 and the table surface may be a surface contact or a line contact, for example, the entire bottom surface of the battery pack 200 may be used as the first supporting unit 210, where the bottom surface refers to the surface of the battery pack opposite to the plugging end, and the rear side edge of the bottom plate 310 facing away from the output member in this embodiment forms the second supporting unit 340, where the rear side edge refers to the side edge located behind the bottom plate 310.

The rear side plate of the bottom plate 310 and a part of the outer shell of the battery pack 200 support the tool together, so that the tool can stand in a use gap, potential safety hazards caused by directly lying the tool on an operation table surface are avoided, and on the other hand, on the basis of ensuring the standing of the tool, the working accessory faces the supporting plane 700, and the repeated dismounting of the working accessory in the use gap for ensuring the safety is avoided.

The first support unit 210 and the second support unit 340 in this embodiment are spaced apart, and when the tool stands, the projection of the center of gravity of the tool to the support plane 700 is located between the first support unit 210 and the second support unit 340. Through the arrangement, the standing of the tool is more stable, and tool toppling caused by unstable standing is avoided. Wherein when the tool stands up, the angle alpha between the surface of the bottom plate 310 and the supporting plane 700 is 35 DEG alpha less than or equal to 60 DEG, more preferably 45 DEG alpha less than or equal to 50 deg.

By means of the angle setting, on the basis of ensuring that the tool stands, the working accessory on the tool is further ensured to be as close to the operating table top as possible when the tool stands, so that the safety of the tool when standing is further improved, and the phenomenon that the working accessory accidentally injures an operator when the tool stands is avoided.

The jig saw 100 in this embodiment includes two grip portions, including a first grip portion on the first body 111 and a second grip portion on the second body 112. When the user operates the jigsaw 100, the user may hold the first holding portion, the second holding portion, or both hands may hold the first holding portion and the second holding portion, respectively, wherein in this embodiment, the front end of the first body 111 forms the first holding portion, the user may hold the palm at the front end of the first body 111, the thumb surrounds the rear side of the top of the first body 111, and the outer part Zhou Bigou of the second body 112 becomes the second holding portion.

Wherein as shown in fig. 2, the first grip part further comprises a first elastic part 1111, and the second grip part also comprises a second elastic part 1121, wherein the second elastic part 1121 almost completely covers the outer circumferential wall of the second body 112.

The first elastic part 1111 covers at least the front wall of the first body 111, wherein the area ratio of the first elastic part 1111 covering the first body 111 case is 50% or more, and the area of the first body 111 case exceeding 50% is covered with the first elastic part.

The first elastic part 1111 in this embodiment covers the front wall of the first body 111, and extends from the front wall to the side wall and the top wall, covering part of the side wall and the top wall. By providing the first elastic part 1111, the user's feeling of use can be improved, and operational fatigue caused by vibration during cutting can be alleviated.

Referring to fig. 7, the first body 111 of the present invention includes an upper finger 160 and a lower finger 170 on a rear sidewall thereof, wherein the upper finger 160 is disposed to be located above the second body 112, the lower finger 170 is disposed to be located below the second body 112, and wherein a difference Δl of front-rear distances between the upper finger 160 and the lower finger 170 is-15 mm < Δl < 30mm, wherein Δl is less than 0 and indicates that the lower finger 170 is located behind the upper finger 160, and Δl is greater than 0 and indicates that the upper finger 160 is located in front of the lower finger 170. Meanwhile, if the outer diameter of the second machine body 112 is D, D is more than or equal to 35mm and less than or equal to 65 mm. In this embodiment, the two holding positions are provided, wherein the first holding position is that the upper finger stop 160 is located in front of the lower finger stop 170, and the difference Δl between the front and rear distances of the upper finger stop 160 and the lower finger stop 170 is 3mm < <Δlless than or equal to 15mm.

In order to make the complete machine compact in structure, three fingers cannot be allowed to encircle and hold at the position of holding the machine body in the prior art, typically, the thumb and the index finger of a user encircle the holding part, and other fingers are attached to the side wall of the machine body, so that the machine can be held only by means of the clamping force of the tiger mouth between the thumb and the index finger when the machine is held, the machine is laborious and unreliable to hold, and the user is very uncomfortable when operating for a long time.

In the embodiment of the invention, by setting the relation between the front-back distance of the upper finger stop 160 and the lower finger stop 170 in the above range, at least three fingers of a user can be held, namely, at least three fingers are allowed to surround the lower part of the second machine body, at this time, the fingers below the second machine body 112 are close to the lower finger stop 170, and the hand tiger mouth of the user is close to the upper finger stop 160.

Of course, as an alternative embodiment, a difference DeltaL between the front and rear of the lower finger 170 and the upper finger 160 may be-10 mm or more and DeltaL or less than 3mm or less.

Setting the front-to-back distances of the upper finger stop 160 and the lower finger stop 170 within the above range can realize at least four-finger holding of the user, i.e. at least allow four fingers to be held around under the second body, and the holding manner is also beneficial to improving the holding comfort and holding reliability of the user.

In the embodiment of the invention, the second machine body 112 is arranged in the size range, so that the holding by one hand of a user is facilitated, the proportion of the holding area of the hand of the user to the outer peripheral surface of the second machine body is improved, the holding reliability is improved, meanwhile, the holding by the user is more comfortable due to the arrangement of the relative positions of the front finger block and the rear finger block, the use experience of the user is facilitated to be improved, and the holding by three fingers or even four fingers of the user is allowed, so that the holding comfort of the user is improved, and the operability of the machine by the user is also improved.

As shown in fig. 5, the bottom plate 310 in this embodiment includes a pair of first edges 311 extending in the front-rear direction and a pair of second edges 312 extending in the left-right direction, wherein the first edges are perpendicular to the second edges 312, the first edges 311 intersect at the second edges 312 to be shorter, wherein, referring to fig. 8, the projection of the second body 112 onto the bottom plate 130 includes a left limit outer edge 1123 and a right limit outer edge 1122, wherein the left limit outer edge 1123 and the right limit outer edge 1122 are both located between the pair of first edges 311, wherein the left limit outer edge 1123 is spaced apart from the first edges 311 adjacent thereto, and the right limit outer edge 1122 is spaced apart from the other first edges 311' adjacent thereto.

The distance H1 between the left extreme outer edge 1123 and the first side 311 adjacent thereto in the left-right direction is 5mm or more and 15mm or less, and the distance H2 between the right extreme outer edge and the other first side adjacent thereto in the left-right direction is 5mm or more and 15mm or less.

The left extreme outer edge in this embodiment refers to the leftmost edge of the second body 112 shell, i.e., the contour line or point closest to the left first edge 311, and the right extreme outer edge refers to the rightmost edge of the second body 112 shell, i.e., the contour line or point closest to the right first edge 311.

Referring to fig. 8, the upper right edge 1122 is shown and the lower edge is the left edge 1123, wherein by locating the left and right edges of the second body within a pair of first edges of the base plate, the second body 112 is spaced from the first edges of the base plate during vertical use, thereby facilitating the operation of the tool in confined spaces, such as when the first edges 311 of the base plate are operated against a wall or object outer wall, there is a gap between the outer wall of the second body 112 and the wall or object outer wall, thus allowing space for the user to hold by his hand.

Referring to fig. 8-10, the jig saw 100 according to the embodiment of the present invention further includes a lighting unit 800 provided at the output end, and the lighting unit 800 is connected to the control mechanism through a wire. Wherein the lighting unit 800 is arranged around or partially around the output member 120, wherein the lighting unit 800 in the present embodiment is a ring-shaped lighting unit, and the lighting unit 800 is arranged eccentrically to the output member. It may of course also be a non-closed ring-shaped or horseshoe-shaped lighting unit, without limitation.

Referring to fig. 10, a distance a between a central axis of the annular lighting unit 800 and a central axis of the output member 120 is greater than 0 and less than or equal to 5mm.

Specifically, referring to fig. 8 and 10, the holding device 130 in the embodiment of the present invention is generally cylindrical, wherein the outer diameter of the lighting unit 800 is larger than the outer diameter of the holding device 130, and the ratio of the outer diameter d1 of the lighting unit 800 to the outer diameter d2 of the holding device 130 is larger than 1 and smaller than 3, i.e. 1< d1/d2<3.

The eccentric arrangement of the lighting unit 800 and the clamping device 130 is beneficial to the clearer illumination of the lighting unit 800 at the cutting position of the working accessory, so that the situation that the cutting position of the working accessory is positioned at the blind area of the lighting unit 800 is avoided, and the clearer illumination is realized. Meanwhile, the outer diameter of the illumination unit 800 and the outer diameter of the clamping device 130 are limited in the range, so that the illumination range of the illumination unit 800 caused by undersize is prevented from being too small, and the insufficient light intensity of the illumination unit 800 caused by oversized is prevented, and therefore, the arrangement ensures that the illumination unit 800 can illuminate and cover a certain range around the working accessory, and also ensures that the illumination unit can clearly illuminate the working accessory.

The jig saw 100 of the present invention further includes a switch assembly, wherein the switch assembly 500 in the present embodiment includes a push key 510, a pull rod 520 and a switch 530, wherein the switch 530 is disposed in the second body 112, the push key 510 is connected with the pull rod 520, the push key 510 is disposed outside the second body 112, the pull rod 520 is disposed in the second body 112 and extends along the axial direction of the second body 112, and the pull rod 520 can be driven to move along the axial direction of the second body 112 by pulling the push key 510.

As shown in fig. 11 to 11, the push key 510 is provided on the pull rod 520, and the pull rod 520 includes a trigger portion 523, a thin neck portion 521, and a connection portion 522, wherein the trigger portion 523 is used to trigger the switch 530, and the connection portion 522 connects the thin neck portion 521 and the push key 510.

Specifically, as shown in fig. 11, an opening 1451 is provided in the rear bearing block 145 in the second main body 112, and the thin neck 521 passes through the opening 1451 and slidably moves in the opening 1451. The triggering portion 523 is provided with a connecting hole 5231, the connecting hole 5231 is connected with a triggering unit of the switch 530, wherein the triggering unit of the switch 530 is specifically a toggle 531, the connecting hole 5231 is sleeved on the toggle 531, and the push key 510 drives the pull rod 520 to reciprocate so as to drive the toggle 531 to be opened or closed. Wherein the switch 530 is electrically connected with the control component through a wire, and the switch 530 can control the start and stop of the motor 141 through the control component.

The connecting portion 522 is further provided with a guide member for guiding the push rod 520 to be slidably connected with the inner wall of the second body 112, and specifically, the guide member includes a sliding groove provided on the connecting portion 522 and a guide rib provided on the inner wall of the second body 112. Of course, the connecting portion 522 may be provided with a guide rib, and the inner wall of the second body 112 may be provided with a guide groove by digging, without limitation.

In this embodiment, by providing a switch pull rod including a thin neck portion, the thin neck portion is disposed through the motor rear bearing seat 145, on the basis of which, the push key 510 is disposed forward on the second body, and meanwhile, the electrical connection between the pull rod 520 and the switch 530 located at the rear side of the second body is satisfied, and in addition, no additional space for disposing the pull rod is reserved in the second body, thereby reducing the size of the second body, in particular, the outer radial size of the second body.

Referring to fig. 13, the jig saw 100 of the present invention further includes a speed regulation assembly 600, wherein the speed regulation assembly 600 includes a speed regulation knob 610, a speed regulation circuit board, and a speed regulation wire, wherein the speed regulation assembly 600 is electrically connected with the battery pack 200 through the wire, and the speed regulation circuit board is connected with the circuit board of the control mechanism through the wire, for implementing speed regulation control of the motor 141. The speed adjusting knob 610 is disposed at the top of the first body 111, and the speed adjusting knob 610 has a rotation axis 611 rotatable therearound, wherein the rotation axis 611 is disposed perpendicular to the base plate 310 or the rotation axis 611 is disposed parallel to the base plate 310. Wherein the speed adjusting knob 610 is provided at the top of the first body 111 so that a user can conveniently perform a speed adjusting operation while holding.

In the embodiment of the present invention, as shown in fig. 13, the rotation axis 611 of the speed adjusting knob 610 is disposed perpendicular to the bottom plate, and the distance L between the rotation axis 611 and the first body axis 102 is greater than or equal to 10mm and less than or equal to 25mm.

Specifically, referring to fig. 14, the jog dial 610 is provided at a mounting area 900 at the rear side of the first body 111, and specifically, a knob center 612 of the jog dial 610 is located in the mounting area 900. Wherein the mounting region 900 includes a first mounting region 910 and a second mounting region 920, wherein the first mounting region 910 refers to a region swept by the second fuselage axis 103 rotated approximately 90 ° clockwise about the first fuselage axis 102, and the second mounting region 920 refers to a region swept by the second fuselage axis 103 rotated approximately 90 ° counterclockwise about the first fuselage axis 102. By arranging the speed regulating knob 610 in the above manner, the speed regulating operation of the user is facilitated, and the use experience of the user is improved.

The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be appreciated by persons skilled in the art that the above embodiments are not intended to limit the invention in any way, and that all technical solutions obtained by means of equivalent substitutions or equivalent transformations fall within the scope of the invention.

Claims (9)

1. A power tool, comprising:

A body;

the power assembly is arranged in the machine body;

an output member driven by the power assembly to output power;

clamping means connected to the output member for clamping a work attachment;

The battery pack is connected with the machine body and supplies power to the power assembly;

A base plate assembly coupled to the body, the base plate assembly including a base plate in contact with a workpiece, the working attachment at least partially passing through the base plate, the working attachment reciprocating to cut the workpiece;

the method is characterized in that:

The battery pack comprises a first supporting unit, a bottom plate comprises a second supporting unit, the first supporting unit and the second supporting unit are located in the same supporting plane, the first supporting unit and the second supporting unit support the tool together to enable the tool to stand, when the tool stands, the working accessory faces the supporting plane, the included angle between the surface of the bottom plate and the supporting plane is alpha, the alpha is more than or equal to 35 degrees and less than or equal to 60 degrees, the bottom surface of the battery pack is used as the first supporting unit, and the bottom surface is the surface, opposite to the plug-in end, of the battery pack.

2. The power tool according to claim 1, wherein the first support unit is provided as a wire support unit or a face support unit, and the second support unit is provided as a wire support unit or a face support unit.

3. The power tool of claim 2, wherein a partial housing on the battery pack is configured as the first support unit, and a rear side of the base plate facing away from the output member is configured as the second support unit.

4. The power tool of claim 2, wherein the first support unit is spaced from the second support unit, and wherein a projection of a center of gravity of the tool onto the support plane is located between the first support unit and the second support unit when the tool is standing.

5. The power tool of any one of claims 1-4, wherein the body comprises a first body and a second body, the first body coupled to the base plate assembly, the second body coupled at a rear end to the battery pack, the first body and the second body disposed at an angle to each other;

The power assembly is supported in the machine body through a bearing frame, the bearing frame comprises a supporting part and a reinforcing part, the supporting part is located in the machine body, the reinforcing part extends out of the machine body and then is connected with the bottom plate assembly, and the reinforcing part comprises a balance reinforcing part extending towards the direction far away from the first machine body.

6. The power tool of claim 5, wherein the base plate includes a connecting portion, the balancing reinforcement is connected to the connecting portion, the reinforcement further includes an auxiliary reinforcement including webs provided on both sides of the balancing reinforcement.

7. The power tool of claim 6, wherein the bearing bracket further comprises a stiffening assembly, the stiffening assembly being cooperatively secured with the inner housing of the body;

the reinforcing component comprises connecting ribs and connecting columns, the connecting ribs are arranged on the surface of the supporting portion, matched with the inner shell of the machine body, and the connecting columns are arranged on the reinforcing portion.

8. The power tool of claim 7, wherein the reinforcement assembly further comprises a connection boss provided on the support portion, the connection boss having a screw connection hole provided therein.

9. The power tool according to claim 5, wherein the tool includes a first grip portion provided on the first body and a second grip portion provided on the second body, and wherein the first grip portion further includes a first elastic portion covering 50% or more of an area ratio of the first body case.