CN113798590A - Electric tool - Google Patents

Abstract

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; a clamping device 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; the bottom plate assembly is connected with the machine body and comprises a bottom plate which is contacted with a workpiece; the battery pack comprises a first supporting unit, the bottom plate comprises a second supporting unit, and the first supporting unit and the second supporting unit are positioned in the same supporting plane; the first supporting unit and the second supporting unit support the tool together to enable the tool to stand, and when the tool stands, the working accessory faces the supporting plane.

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

therefore, the saw blade is usually detached from the main machine when not in use, so that potential safety hazards to users due to the fact that the saw blade is exposed are avoided.

However, in a short interval of use, it is time-consuming and labor-consuming to frequently disassemble the saw blade, and meanwhile, because 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 usually can lie the jig saw on the workbench in the interval of use, and the saw blade still has the risk of accidentally injuring the user at the moment.

Disclosure of Invention

To overcome 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 solutions:

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;

a clamping device 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;

the bottom plate assembly is connected with the machine body and comprises a bottom plate which is contacted with a workpiece;

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

Further, the first supporting unit is provided as a line supporting unit or a plane supporting unit; the second support unit is provided as a line support unit or a plane support unit.

Furthermore, a partial housing on the battery pack forms the first support unit, and a rear side of the base plate facing away from the output element forms the second support unit.

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

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

Furthermore, 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 component passes through the bearing bracket support in the fuselage, the bearing bracket includes bearing portion and rib, wherein the bearing portion is located the fuselage, the rib stretches out behind the fuselage with the bottom plate subassembly is connected, the rib includes to keeping away from the balanced rib that first fuselage direction extends.

Further, the bottom plate includes connecting portion, balanced rib with connecting portion connect, the rib still includes supplementary rib, supplementary rib is including locating the radials of balanced rib both sides.

Furthermore, 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 a connecting rib and a connecting column, the connecting rib is arranged on the surface of the supporting part matched with the inner shell of the machine body, and the connecting column is arranged on the reinforcing part.

Further, the reinforcing component further comprises a connecting boss arranged on the supporting part, and a screw connecting hole is formed in the connecting 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; the first holding part further comprises a first elastic part, and the area ratio of the first elastic part covering the first machine body shell is more than or equal to 50%.

According to the electric tool, the first supporting unit and the second supporting unit are arranged to enable the electric tool to stand on the supporting surface, so that the electric tool can stand in the use gap, potential safety hazards caused by the fact that the electric tool is directly laid on the operation table top in a horizontal mode are avoided, and the situation that working accessories are safely and repeatedly disassembled and assembled in the use gap is also avoided.

Drawings

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

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

FIG. 3 is a schematic view of the jig saw of FIG. 1 after the left housing is opened;

FIG. 4 is a schematic view of the jigsaw of FIG. 1 shown with the right housing open;

FIG. 5 is a schematic view of the connection of the bearing bracket of the present invention to the baseplate assembly;

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

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

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

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

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

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

FIG. 13 is a schematic view of the speed knob of the present invention in relation to a first body;

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

Reference numerals:

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

110-a fuselage; 111-a first fuselage; 1111-a first elastic portion; 112-a second fuselage; 1121-second elastic part; 1122-right extreme outer edge; 1123-left extreme outer edge;

120-an output;

130-a clamping device;

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

150-a bearing frame; 151-a support portion; 152-balance reinforcement; 153-auxiliary reinforcement; 154-connecting column; 155-connecting ribs; 156-connecting boss;

160-upper finger stop;

170-lower finger stop;

200-a battery pack; 210-a first support unit;

300-a backplane assembly;

310-a backplane; 311-first side; 312 — a second edge;

320-a rotation connection; 321-a connection hole;

331-square nut; 332-clamping the pressure plate; 333-screw;

340-a second support unit;

400-a work attachment;

500-a switch assembly;

510-push key; 520-a pull rod; 521-thin neck; 522-a connecting part; 523-trigger part; 5231-a connection hole;

530-a switch; 531-dial button;

600-a speed regulation component; 610-speed regulating knob; 611-a rotation axis; 612-knob center;

700-support plane;

800-a lighting unit;

900-installation area 910-first installation area; 920 — a second mounting area.

Detailed Description

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

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

As shown in fig. 2, the jigsaw 100 includes a body 110, a power assembly 140, an output member 120, a clamp assembly 130, a battery pack 200, and a shoe assembly 300, the shoe assembly 300 including a shoe 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 body 111 has a first body axis 102, the second body 112 has a second body axis 103, the first body axis 102 is perpendicular to the base plate 310, and the second body axis 103 is parallel to the base plate 310.

In the present embodiment, the first body 111 extends in a vertical direction substantially perpendicular to the bottom plate assembly 300, and the second body 112 extends in a front-rear direction substantially parallel to the bottom plate assembly 300, wherein the vertical direction in the present invention means a direction parallel to the first axis 102, a side away from the bottom plate assembly 300 is an upper side, a side close to the bottom plate assembly 300 is a lower side, the front-rear direction means a direction parallel to the second body axis 103, a side close to the working attachment is a front side, and a side close to the battery pack is a rear side.

As shown in fig. 5, the base plate assembly 300 is disposed outside the body 110 and connected to the first body 111, the base plate assembly 300 includes a base plate 310 and a rotation connection portion 320, wherein the base plate 310 contacts the workpiece, the rotation connection portion 320 is rotatably connected to the first body 111, and the rotation connection portion 320 and the first body 111 are rotatably connected by using a first axis 101 as an axis, wherein the first axis 101 is parallel to a plane of the base plate 310, so that the miter cut of the jigsaw 100 can be performed.

Referring to fig. 5, the base plate 130 is formed with a base plate plane for contacting the workpiece, the rotation connecting portion 320 is for forming a connection of the base plate 130 with the body 110, the rotation connecting portion 320 has a protrusion from the base plate 130 toward the body 110, the rotation connecting portion 320 is substantially arched, and the rotation connecting portion 320 extends substantially in a direction parallel to the first axis 101; the rotation connection part 320 is connected to the body 110 by a connection assembly.

Referring to fig. 3-4, the power assembly 140 includes a motor 141 and a transmission assembly via which the motor 141 is connected to the output member 120, wherein the transmission assembly in this embodiment includes an eccentric gear assembly 142; 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 a motor 141.

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

Wherein the clamping device 130 is connected with the reciprocating rod, the clamping device 130 is used for clamping the working accessory 400, and the working accessory 400 in the embodiment of the invention is a saw blade; the saw blade is disposed outside the body 110, and saw teeth are formed at one side of the saw blade to cut the workpiece by the reciprocating motion of the saw blade. The clamping device 130 is provided at an end of the reciprocating rod, and a portion of the working attachment 400 is inserted and fixed to the clamping device 130. Specifically, the holding device 130 has a cavity formed therein, and when the operation attachment 400 is mounted to the holding device 130, a part of the operation attachment 400 is accommodated and fixed in the cavity.

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 seat, the motor rear bearing 144 is supported in the rear bearing seat 145, and the bearing bracket 150 is provided, referring to fig. 5, the bearing bracket 150 is an L-like 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 connected to the floor assembly 300.

Specifically, referring to fig. 4, the supporting portion 151 is provided with a motor bearing unit and an eccentric gear supporting unit, a motor front bearing 143 is arranged in the motor bearing unit, an eccentric gear bearing is arranged in the eccentric gear supporting unit, and the supporting portion 151 mainly plays a supporting role; 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.

By providing the balance reinforcing part 152 extending in parallel to the base plate 310, the strength of the connection between the bearing bracket 150 and the base assembly 300 can be improved, and the strength of the whole body can be improved; on the other hand, through extending balanced reinforcement 152 along the direction of keeping away from first fuselage 111, can improve the equilibrium of complete machine, avoid the fuselage unbalance because of the heavier dead weight of first fuselage 111 arouses to need exert great effort with balanced complete machine to second fuselage 112 when avoiding the user to use, promoted user's operation experience.

As shown in fig. 5, the balance reinforcing part 152 is disposed to extend out of the first body 111, and the balance reinforcing part 152 is connected to the rotating connection part 320 of the bottom plate assembly 300 after extending out of the first body, since the rotating connection part 320 has a protruding outer circumferential surface, the bottom of the balance reinforcing part 152 is provided with a recessed inner circumferential surface which is matched with the outer circumferential surface, the outer circumferential surface is disposed coaxially with the inner circumferential surface, and the rotating connection part 320 is connected to the balance reinforcing part 152 through a connection assembly.

Specifically, referring to fig. 5, the rotation connection part 320 includes an inner area close to the base plate 310 and an outer area far from the base plate 310, wherein a connection hole 321 is formed at the top center of the rotation connection part 320, the connection assembly includes a square nut 331, a clamping pressure plate 332 and a screw 333, wherein the clamping pressure plate 332 is disposed in the inner area corresponding to the connection hole 321, the square nut 331 is disposed in the outer area corresponding to the connection hole 321, and the screw 333 is fixedly connected to the square nut 331 after sequentially passing through the clamping pressure plate 332 and the connection hole 321.

Further, the coupling hole 321 is an arc-shaped coupling hole provided on the outer circumferential surface of the rotation coupling portion 320 and extending in the circumferential direction, and the 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 rotatably coupled with the first axis 101 as the axis, so that the miter cut of the jigsaw 100 can be performed.

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

The bearing frame in the embodiment of the invention also comprises a reinforcing component, wherein the reinforcing component is matched with the inner shell of the machine body to be reinforced and fixed; the reinforcing component comprises a connecting rib 155 and a connecting column 154, the connecting rib 155 is arranged on the surface of the supporting portion 151 matched with the inner shell of the machine body, and the connecting column 154 is arranged on the reinforcing portion, specifically on the outer side of the radial plate of the auxiliary reinforcing portion 153. The connecting rib 155 can be matched with a groove on the inner wall of the first machine body so as to enhance the connection stability of the supporting part of the bearing frame and the machine body; likewise, the connecting post 154 may cooperate with a hole in the first body inner wall for enhancing the stability of the connection of the reinforcement of the bearing bracket to the body.

Of course, in order to further improve the connection strength between the bearing frame and the body, the reinforcing component further comprises a connecting boss 156 arranged on the supporting portion, and a screw connecting hole is formed in the connecting boss 156. Correspondingly, the inner wall of the machine body is also provided with a screw hole, and the connecting boss 156 can be fixed with the machine body by adopting a screw, so that the connecting 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 integrated structure, and may be an aluminum bearing frame, or may be another metal bearing frame, which is not limited herein.

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

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

Through set up first supporting unit and second supporting unit on the instrument for the instrument can stand in table surface in the clearance of using, avoids leaking outward because of the instrument can't stand, and the work annex that leads to when lying the instrument in the mesa, perhaps because of the slip of instrument or the potential safety hazard that drops and bring.

Wherein the first supporting unit 210 is configured as a line supporting unit or a plane supporting unit, and the second supporting unit 340 may also be configured as a line supporting unit or a plane supporting unit. In this embodiment, a partial housing of the battery pack 200 is configured as the first supporting unit 210, wherein the contact portion between the housing of the battery pack 200 and the working platform may be surface contact or line contact, for example, the entire bottom surface of the battery pack 200 may be used as the first supporting unit 210, wherein the bottom surface refers to the surface of the battery pack opposite to the plugging end; in this embodiment, the rear side of the bottom plate 310 facing away from the output unit forms the second supporting unit 340, where the rear side refers to a side located behind the bottom plate 310.

By supporting the tool together with the rear side plate of the bottom plate 310 and part of the housing of the battery pack 200, on one hand, the tool can stand in a use gap, and potential safety hazards caused by directly lying the tool on an operation table top are avoided; on the other hand, on the basis of ensuring that the tool stands, the working attachment is directed towards the support plane 700, and repeated mounting and dismounting of the working attachment in the use gap for ensuring safety is also avoided.

The first supporting unit 210 and the second supporting unit 340 in this embodiment are spaced apart from each other, and when the tool stands, the projection of the center of gravity of the tool onto the supporting plane 700 is located between the first supporting unit 210 and the second supporting unit 340. Through the arrangement, the standing of the tool is more stable, and the tool toppling caused by unstable standing is avoided. When the tool is standing, the included angle between the surface of the bottom plate 310 and the support plane 700 is α, which is 35 ° or more and 60 ° or less, and more preferably 45 ° or more and 50 ° or less.

The angle setting further ensures that the working accessories on the tool can be as close to the operation table board as possible when the tool is standing on the basis of ensuring that the tool is standing, thereby further improving the safety when the tool is standing and avoiding the working accessories from accidentally injuring an operator when the tool is standing.

The jigsaw 100 of this embodiment includes two grips, including a first grip on the first body 111 and a second grip on the second body 112. When the user operates the jigsaw 100, the user can hold the jigsaw in the first holding portion, the second holding portion, or both hands of the user can hold the jigsaw in the first holding portion and the second holding portion, wherein in the present embodiment, the front end of the first body 111 forms the first holding portion, the user can hold the palm of the hand in the front end of the first body 111, the thumb of the user surrounds the top of the first body 111, and the outer peripheral wall of the second body 112 forms the second holding portion.

As shown in fig. 2, the first grip portion further includes a first elastic portion 1111, and the second grip portion also includes a second elastic portion 1121, wherein the second elastic portion 1121 almost completely covers the outer peripheral 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 outer shell of the first body 111 is greater than or equal to 50%, and more than 50% of the outer shell of the first body 111 is covered with the first elastic part.

The first elastic part 1111 covers the front wall of the first body 111 in this embodiment, and extends from the front wall to the side wall and the top wall, covering a part of the side wall and the top wall. The first elastic part 1111 can improve the use hand feeling of a user and reduce the operation fatigue caused by vibration in the cutting process.

Referring to fig. 7, the first body 111 of the present invention includes an upper finger stop 160 and a lower finger stop 170 on a rear sidewall thereof, wherein the upper finger stop 160 is disposed to be positioned above the second body 112; the lower finger stop 170 is provided below the second body 112; wherein, the difference DeltaL between the front and back distances between the upper finger stopping part 160 and the lower finger stopping part 170 is more than or equal to-15 mm and less than or equal to 30mm, wherein, the DeltaL is less than 0 and the lower finger stopping part 170 is positioned at the back of the upper finger stopping part 160, and the DeltaL is more than 0 and the upper finger stopping part 160 is positioned at the front of the lower finger stopping part 170. Meanwhile, if the outer diameter of the second body 112 is D, D is more than or equal to 35mm and less than or equal to 65 mm. The present embodiment includes two holding positions, wherein the first holding position is that the upper finger-stopping portion 160 is located in front of the lower finger-stopping portion 170, and the front-back distance difference Δ L between the upper finger-stopping portion 160 and the lower finger-stopping portion 170 is 3mm < Δ L ≦ 15 mm.

In order to make the whole machine compact in structure, the three finger rings cannot be allowed to be held around the part for holding the machine body in the prior art, the thumb and the index finger of a user usually wind the holding part, and the other fingers are attached to the side wall of the machine body, so that the machine can be held only by the clamping force of the tiger mouth between the thumb and the index finger when being held, the holding is laborious and unreliable, and the user is very easy to feel uncomfortable after operating for a long time.

In the embodiment of the invention, the front-back distance relationship between the upper finger stopping part 160 and the lower finger stopping part 170 is set in the range, so that at least three fingers of a user can be held, namely at least three finger rings are allowed to be wound below the second machine body, at the moment, fingers below the second machine body 112 are close to the lower finger stopping part 170, and the tiger mouth of the hand of the user is close to the upper finger stopping part 160.

Of course, as an alternative embodiment, the difference Δ L between the lower finger portion 170 and the upper finger portion 160 may be set to-10 mm. ltoreq. Δ L. ltoreq.3 mm.

The distance between the upper finger stop part 160 and the lower finger stop part 170 is set within the above range, so that at least four fingers of the user can be held, that is, at least four finger rings are allowed to surround and hold the second body, and the holding manner is also favorable for improving the holding comfort and the holding reliability of the user.

In the embodiment of the present invention, the second body 112 is disposed in the size range, which is beneficial for a user to hold with one hand, and improves the ratio of the holding area of the user's hand to the outer peripheral surface of the second body, thereby improving the reliability of holding; meanwhile, the relative position arrangement of the front finger stop and the rear finger stop is matched, so that the user can hold the finger more comfortably, and the use experience of the user is improved; and the user is allowed to hold by three fingers or even four fingers, so that the holding comfort of the user is improved, and the controllability of the user on the machine is also improved.

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

A distance H1 between the left limit outer edge 1123 and the adjacent first edge 311 in the left-right direction is not less than 5mm and not more than 15 mm; similarly, the distance H2 between the right extreme outer edge and the other adjacent first edge in the left-right direction is not less than 5mm and not more than 15 mm.

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

Referring to fig. 8, the upper portion is a right limit outer edge 1122, and the lower edge is a left limit outer edge 1123, wherein the left and right limit outer edges of the second body are disposed in the pair of first edges of the bottom plate, so that the second body 112 has a gap with the first edge of the bottom plate during vertical use, thereby facilitating the operation of the tool in a small space, for example, when the first edge 311 of the bottom plate is operated against a wall or an outer wall of an object, the outer wall of the second body 112 has a gap with the outer wall of the wall or the outer wall of the object, and thus there is a space for allowing a user to hold the tool.

Referring to fig. 8-10, the jigsaw 100 of the present invention further includes an illumination unit 800 disposed at the output end; the lighting unit 800 is connected to the control mechanism by a wire. Wherein the illumination unit 800 is disposed around or partially around the output member 120, wherein the illumination unit 800 in this embodiment is a circular ring shaped illumination unit, and the illumination unit 800 is disposed eccentrically from 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, the distance a between the central axis of the circular ring-shaped lighting unit 800 and the central axis of the output member 120 is greater than 0 and equal to or less than 5 mm.

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

With lighting unit 800 and clamping device 130 eccentric settings, be favorable to lighting unit 800 clearer shining in the cutting position of work annex to avoided work annex cutting position to be located lighting unit 800's blind area, makeed to shine clearer. 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 phenomenon that the illumination range of the illumination unit 800 is too small due to too small size is avoided, and the phenomenon that the light intensity of the illumination unit 800 is insufficient due to too large size is avoided, so that the arrangement ensures that the illumination unit 800 can illuminate a certain range covering the periphery of a working accessory and can clearly illuminate the working accessory.

The jigsaw 100 of the present invention further includes a switch assembly, wherein the switch assembly 500 of 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 to the pull rod 520, the push key 510 is disposed outside the second body 112, the pull rod 520 is disposed inside 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. 11-11, the push key 510 is disposed on the pull rod 520, and the pull rod 520 includes a trigger portion 523, a thin neck portion 521, and a connecting portion 522, wherein the trigger portion 523 is used for triggering the switch 530, and the connecting portion 522 connects the thin neck portion 521 and the push key 510.

Specifically, as shown in fig. 11, a through opening 1451 is provided in the rear bearing seat 145 in the second body 112, and the thin neck 521 passes through the opening 1451 and slidably moves in the opening 1451. The trigger portion 523 is provided with a connection hole 5231, the connection hole 5231 is connected to a trigger unit of the switch 530, wherein the trigger unit of the switch 530 is specifically a toggle button 531, the connection hole 5231 is sleeved on the toggle button 531, and the push key 510 drives the pull rod 520 to reciprocate so as to drive the toggle button 531 to open or close. The switch 530 is electrically connected to 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 formed in the connecting portion 522 and a guide rib formed in 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 dug to provide a guide groove, which is not limited thereto.

Generally, according to the holding habit, when a user holds the electric vehicle, fingers usually lean against the front end of the electric vehicle, so that the push key is arranged at the front end, which is more beneficial for the user to operate, in the embodiment, the switch pull rod comprising the thin neck part is arranged, so that the thin neck part penetrates through the rear bearing seat 145 of the motor, on the basis, the push key 510 is arranged on the second electric vehicle in a forward manner, and meanwhile, the electric connection between the pull rod 520 and the switch 530 positioned at the rear side of the second electric vehicle is also met; in addition, no extra space for arranging the pull rod is reserved in the second machine body, and the size of the second machine body, particularly the outer radial size of the second machine body, is reduced.

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

As shown in fig. 13, in the embodiment of the present invention, the rotation axis 611 of the speed knob 610 is 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 25 mm.

Specifically, referring to fig. 14, the speed knob 610 is disposed in a mounting area 900 at the rear side of the first body 111, and specifically, the knob center 612 of the speed knob 610 is located in the mounting area 900. Wherein the mounting area 900 includes a first mounting area 910 and a second mounting area 920, wherein the first mounting area 910 refers to an area swept by the second body axis 103 rotating approximately 90 ° clockwise about the first body axis 102, and the second mounting area 920 refers to an area swept by the second body axis 103 rotating approximately 90 ° counterclockwise about the first body axis 102. Through setting up speed governing knob 610 according to above-mentioned mode, more be favorable to user's speed governing operation, promote user's use and experience.

The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the above embodiments do not limit the present invention in any way, and all technical solutions obtained by using equivalent alternatives or equivalent variations fall within the scope of the present invention.

Claims (10)

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;

a clamping device 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;

the bottom plate assembly is connected with the machine body and comprises a bottom plate which is contacted with a workpiece;

the method is characterized in that:

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

2. The electric power tool according to claim 1, wherein the first support unit is provided as a wire support unit or a surface support unit; the second support unit is provided as a line support unit or a plane support unit.

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

4. The electric power tool according to claim 2, wherein the first support unit and the second support unit are provided at an interval, and 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 stands.

5. The power tool of claim 1, wherein the angle α between the surface of the base plate and the support plane when the tool is standing is 35 ° ≦ α ≦ 60 °.

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

the power component passes through the bearing bracket support in the fuselage, the bearing bracket includes bearing portion and rib, wherein the bearing portion is located the fuselage, the rib stretches out behind the fuselage with the bottom plate subassembly is connected, the rib includes to keeping away from the balanced rib that first fuselage direction extends.

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

8. The power tool of claim 7, wherein the bearing bracket further comprises a reinforcement member, the reinforcement member being engaged with and secured to the inner housing of the body;

the reinforcing component comprises a connecting rib and a connecting column, the connecting rib is arranged on the surface of the supporting part matched with the inner shell of the machine body, and the connecting column is arranged on the reinforcing part.

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

10. The power tool of claim 6, wherein the tool includes a first grip portion on the first body and a second grip portion on the second body; the first holding part further comprises a first elastic part, and the area ratio of the first elastic part covering the first machine body shell is more than or equal to 50%.

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