CN218518363U - Angle grinder adopting flat double-action switch - Google Patents

Abstract

The utility model provides an angle grinder adopting flat double-acting switch, including power supply, fuselage subassembly, speed reduction subassembly and grinding apparatus, fuselage subassembly one end and speed reduction subassembly fixed connection, the other end is connected with power supply detachably, speed reduction subassembly and grinding apparatus fixed connection, wherein, the fuselage subassembly includes handle, motor and switch, the switch is flat double-acting switch, need be pressed by drive slip lock button and cause the dog to break away from handle slotted hole antetheca, promote the slip drive button, drive simultaneously and be driven the slip lock button and slide forward, the switch just starts, prevent the maloperation, increase the security; moreover, the switch flattening design reduces the outer diameter size of the angle grinder handle and increases the hand holding comfort.

Description

Angle grinder adopting flat double-action switch

Technical Field

The utility model belongs to the technical field of hand-held type angle mill and specifically relates to an angle mill who adopts flat double acting switch.

Background

Because the hand-held angle grinder is a professional tool and needs a professional to operate, workers in some construction sites need a large amount of work for a long time, and a machine which is comfortable to hold and safe to operate is required to meet the work requirement, but because a rocker switch is usually adopted, the radial size is large, the radial space of a handle is limited by the size of the switch and the size of a motor, and the holding size of the handle is difficult to be small; and the switch is arranged at the hand-held part, so that the hand can easily touch the switch to cause misoperation carelessly, and unnecessary injury and loss are caused.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides an adopt flat double acting switch's angle mill has saved radial installation space through flat switch's use to the size of gripping of handle has been reduced.

In order to solve the technical problem, the embodiment of the utility model provides an angle grinder adopting flat double-acting switch, including power supply, fuselage subassembly, speed reduction subassembly and grinding apparatus, fuselage subassembly one end is connected with speed reduction subassembly fixed connection, the other end is connected with power supply detachably, speed reduction subassembly and grinding apparatus fixed connection, the fuselage subassembly includes handle, motor and switch, the motor is fixed to be set up in the handle, power supply and motor electric connection, speed reduction subassembly includes box, pinion, gear wheel and power shaft, box and handle fixed connection, the motor includes the motor output shaft, pinion fixed connection is on the motor output shaft, gear wheel and pinion meshing, power shaft and gear wheel fixed connection,

the switch is a flattened double-action switch comprising:

the switch body is fixedly arranged between the motor and the power source;

the sliding driving button is matched with the handle to slide, a sliding supporting surface is arranged on the outer wall of the handle, a sliding matching surface matched with the sliding supporting surface is arranged on the sliding driving button, a through hole is formed in the middle of the sliding driving button, and the sliding driving button can move along the direction close to and far away from the speed reducing assembly in an operable manner;

driven slip lock button, by drive slip lock button including fixed setting near the dog of speed reduction subassembly end, to slip drive button extend and run through handle casing and slip drive button the dog driving piece, to the switch body extend and with it the switch trigger lever of effect, by drive slip lock button can be driven along the direction motion of being close to and keeping away from the speed reduction subassembly, the handle is provided with the handle slotted hole that can hold the dog driving piece, the handle slotted hole be close to the part of speed reduction subassembly end with the dog forms conflict cooperation, the dog driving piece with slip drive button through-hole clearance fit and outstanding setting, thereby the dog driving piece can be pressed and drive the dog and break away from conflict cooperation state with the handle slotted hole.

The driven sliding lock button is provided with a lateral protrusion, the handle is provided with a first clamping groove and a second clamping groove, when the lateral protrusion is matched with the first clamping groove, the switch trigger rod is connected with the switch body, and when the lateral protrusion is matched with the second clamping groove, the switch trigger rod is separated from the switch body.

Wherein, the fit clearance between the stop block driving piece and the through hole is 0.1-0.5mm.

The motor is an outer rotor brushless motor, the motor comprises a motor fixing disc, the motor fixing disc is connected with the handle in a clamped mode, the motor fixing disc is provided with a limiting hole, and the driven sliding lock button can slide in the limiting hole.

The handle comprises a left handle and a right handle, the left handle is provided with an upper stud for a screw gap to pass through, the right handle is provided with a lower stud for a screw to be screwed into the left handle, the left handle and the right handle penetrate through the upper stud through the gap and are screwed into the lower stud in a screw fastening connection, and the sliding support surface is fixedly arranged on the left handle.

The inner wall of the handle is provided with an inner support matching surface, the driven sliding lock button can approach or be far away from the speed reduction assembly along the inner support matching surface, and when the stop block driving piece is in a free state, the stop block extends into the slotted hole of the handle, and the height of the stop block is smaller than the distance between the sliding support surface and the inner support matching surface.

The driven sliding lock button is provided with a sheet-shaped cantilever structure close to the end of the speed reduction assembly, and the sheet-shaped cantilever structure is fixedly connected with the stop block and the stop block driving piece.

Further, the driven slide lock knob is an integrally formed part.

Wherein the height of the stop block driving piece protruding out of the surface of the sliding driving piece is 1-5mm.

Wherein, the upper surface of the sliding drive button is provided with a reticulate pattern which protrudes out of the upper surface by 0.1-0.5mm.

The utility model discloses an above-mentioned technical scheme's beneficial effect as follows:

1. in the utility model, the setting of the flattening secondary operation false touch prevention switch reduces the radial size of the angle grinder handle, increases the holding comfort of hands, thereby improving the working time of one time and finally improving the production efficiency;

2. the utility model discloses in, the switch prevents the mistake and touches the switch for the flattening secondary operation, need be pressed by drive slip lock button and cause the dog to break away from handle slotted hole antetheca, promotes smooth button, drives the lock button simultaneously and slides forward, and the switch just starts, prevents the maloperation, increases the security.

Drawings

Fig. 1 is a longitudinal sectional view (open/close state) of the present invention;

FIG. 2 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 1;

FIG. 3 is a cross-sectional view taken along line B-B of FIG. 2 rotated 90 counterclockwise;

FIG. 4 is a cross-sectional view taken along line C-C of FIG. 2;

FIG. 5 is a block diagram showing the switch of the present invention being turned on and off on the handle;

fig. 6 is an exploded view of the switch.

Description of reference numerals:

10. a power source; 20. a fuselage assembly; 21. a handle; 22. a motor; 23. a switch; 24. a lateral bulge; 25. a first card slot; 26. a second card slot; 30. a speed reduction assembly; 31. a box body; 32. a pinion gear; 33. a bull gear; 34. a power shaft; 40. an abrasive article; 211. a left handle; 212. a right handle; 213. a sliding support surface; 214. a handle slot; 215. an inner support mating surface; 221. a motor fixing disc; 223. a limiting hole; 231. a slide drive knob; 232. a driven slide lock button; 233. a switch body; 2311. a sliding mating surface; 2312. a through hole; 2321. a stopper; 2322. a stopper driving member; 2323. a switch trigger lever.

Detailed Description

To make the technical problems, technical solutions and advantages of the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", "longitudinal", "transverse", "vertical", "front", "rear", and the like indicate orientations and positional relationships based on the front view of the drawings, and are only used for describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in fig. 1-6, the utility model provides an angle grinder using flat double-acting switch, including power source 10, machine body component 20, speed reduction component 30 and grinding apparatus 40, machine body component 20 one end and speed reduction component 30 fixed connection, the other end is connected with power source 10 detachably, speed reduction component 30 and grinding apparatus 40 fixed connection, machine body component 20 includes handle 21, motor 22 and switch 23, motor 22 is fixed to be set up in handle 21, power source 10 and motor 22 electric connection, speed reduction component 30 includes box 31, pinion 32, gear wheel 33 and power shaft 34, box 31 and handle 21 fixed connection, motor 22 includes motor output shaft, pinion 32 fixed connection is on motor output shaft, gear wheel 33 meshes with pinion 32, power shaft 34 and gear wheel 33 fixed connection,

the switch 23 is a flattened double-acting switch, which includes:

a switch body 233 fixedly disposed between the motor 22 and the power source 10;

a slide driving knob 231 slidably engaged with the handle 21, the handle 21 being provided with a slide supporting surface 213 on an outer wall thereof, the slide driving knob 231 being provided with a slide engaging surface 2311 engaged with the slide supporting surface 213, the slide driving knob 231 being provided with a through hole 2312 in the middle thereof, the slide driving knob 231 being operable to move in directions toward and away from the speed reducing assembly 30;

the driven sliding lock button 232 comprises a stop 2321 fixedly arranged at the end close to the speed reducing assembly 30, a stop driving piece 2322 extending towards the sliding drive button 231 and penetrating through the shell of the handle 21 and the sliding drive button 231, and a switch trigger bar 2323 extending towards the switch body 233 and acting with the switch body 233, the driven sliding lock button 232 can be driven to move in the direction close to and away from the speed reducing assembly 30, the handle 21 is provided with a handle slot 214 capable of accommodating the stop driving piece 2322, the part of the handle slot 214 close to the end of the speed reducing assembly 30 forms interference fit with the stop 2321, the stop driving piece 2322 is in clearance fit with the sliding drive button through hole 2312 and is arranged in a protruding mode, and the stop driving piece 231 can be pressed so as to drive the stop 2321 to be separated from the interference fit state with the handle slot 214.

The driven sliding lock knob 232 is provided with a lateral protrusion 24, the handle 21 is provided with a first clamping groove 25 and a second clamping groove 26, when the lateral protrusion 24 is matched with the first clamping groove 25, the switch trigger bar 2323 is connected with the switch body 233, and when the lateral protrusion 24 is matched with the second clamping groove 26, the switch trigger bar 2323 is separated from the switch body 233.

The fit clearance between the stop driving piece 2322 and the through hole 2312 is 0.1-0.5mm.

The motor 22 is an outer rotor brushless motor, the motor comprises a motor fixing disc 221, the motor fixing disc 221 is connected with the handle 21 in a clamping mode, the motor fixing disc 221 is provided with a limiting hole 223, and the driven sliding locking button 232 can slide in the limiting hole 223.

The handle 21 comprises a left handle 211 and a right handle 212, the left handle 211 is provided with an upper stud for a screw gap to pass through, the right handle 212 is provided with a lower stud for a screw to be screwed into the upper stud, the left handle and the right handle are fixedly connected through a screw which passes through the upper stud and is screwed into the lower stud through the gap, and a sliding support surface 213 is fixedly arranged on the left handle.

Wherein the inner wall of the handle 21 is provided with an inner support mating surface 215, the driven sliding lock knob 232 can approach or depart from the deceleration assembly 30 along the inner support mating surface 215, and when the stop driving member 2322 is in a free state, the stop 2321 extends into the handle slot 214 to a height smaller than the distance between the sliding support surface 213 and the inner support mating surface 215.

As shown in fig. 5, when the switch 23 needs to be turned on, the stopper driving member 2322 of the driven sliding lock knob 232 is pressed first to disengage the stopper 2321 from the front end surface of the handle slot 214, then the sliding driving knob 231 is pushed forward to drive the driven sliding lock knob 232 to slide forward, and the switch trigger bar 2323 of the driven sliding lock knob 232 pulls the switch body 233 to implement the turning-on operation. When the switch is closed, the sliding driving knob 231 is pushed backward to separate the switch triggering rod 2323 from the switch body 233.

The driven sliding lock 232 has a plate-like cantilever structure near the end of the deceleration component, and is fixedly connected to the stop 2321 and the stop driving member 2322.

Further, the driven slide-lock knob 232 is an integrally molded piece.

Wherein, the height of the block driving member 2322 protruding the sliding driving button 231 is 1-5mm.

Wherein, the upper surface of the sliding driving button 231 is provided with a reticulate pattern which protrudes 0.1-0.5mm from the upper surface.

The working principle of the utility model is as follows:

1. in the utility model, the power source of the angle grinder drives the motor to rotate and drives the pinion fixedly connected thereon to rotate, thereby driving the big gear meshed with the pinion to rotate and finally realizing the rotation of the grinding tool; the switch is the switch of mistake touch is prevented in the operation of platyzing secondary, will be pressed by drive slip lock button earlier and cause the dog to break away from handle slotted hole antetheca, promotes the slip drive button, makes the slip drive button slide forward along the fitting surface with the slip holding surface, drives simultaneously and slides forward by drive slip lock button, and the switch trigger lever is forward, and the pulling switch starts, realizes the start action, promptly: when the switch is switched on, secondary operation is needed, and when the switch is switched off, the sliding driving button only needs to slide backwards.

The above is the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, and according to the technical solution of the present invention and the design of the present invention, all equivalent replacements or changes should be covered within the protection scope of the present invention.

Claims (10)

1. The utility model provides an adopt flat double acting switch's angle mill, includes power supply, fuselage subassembly, speed reduction subassembly and grinding apparatus, fuselage subassembly one end is connected with speed reduction subassembly fixed connection, the other end and power supply detachably, speed reduction subassembly and grinding apparatus fixed connection, the fuselage subassembly includes handle, motor and switch, the motor is fixed to be set up in the handle, power supply and motor electric connection, the speed reduction subassembly includes box, pinion, gear wheel and power shaft, box and handle fixed connection, the motor includes the motor output shaft, pinion fixed connection is on the motor output shaft, gear wheel and pinion engagement, power shaft and gear wheel fixed connection, its characterized in that,

the switch is a flat double-action switch comprising:

the switch body is fixedly arranged between the motor and the power source;

the sliding driving button is matched with the handle to slide, a sliding supporting surface is arranged on the outer wall of the handle, a sliding matching surface matched with the sliding supporting surface is arranged on the sliding driving button, a through hole is formed in the middle of the sliding driving button, and the sliding driving button can move along the direction close to and far away from the speed reducing assembly in an operable mode;

driven slip lock button, by drive slip lock button including fixed setting near the dog of speed reduction subassembly end, to slip drive button extend and run through handle casing and slip drive button the dog driving piece, to switch body extend and with it the switch trigger lever of effect, by drive slip lock button can be driven ground along the direction motion of being close to and keeping away from the speed reduction subassembly, the handle is provided with the handle slotted hole that can hold the dog driving piece, the handle slotted hole be close to the part of speed reduction subassembly end with the dog forms conflict cooperation, the dog driving piece with slip drive button through-hole clearance fit and outstanding setting, thereby the dog driving piece can be pressed and drive dog and handle slotted hole break away from conflict cooperation state.

2. An angle grinder using flat double-action switches, as claimed in claim 1, characterized in that the driven sliding lock knob is provided with a lateral projection, and the handle is provided with a first and a second catch, the switch trigger lever being engaged with the switch body when the lateral projection is engaged with the first catch, and the switch trigger lever being disengaged from the switch body when the lateral projection is engaged with the second catch.

3. An angle grinder using flat double-action switches, as claimed in claim 1, wherein the fitting clearance of the stopper driving piece with the through hole is 0.1-0.5mm.

4. The angle grinder using flat double-acting switches according to claim 1, wherein the motor is an outer rotor brushless motor, the motor includes a motor fixing disk, the motor fixing disk is connected with the handle in a clamping manner, the motor fixing disk is provided with a limiting hole, and the driven sliding lock button can slide in the limiting hole.

5. The angle grinder using flat double-acting switches according to claim 1, characterized in that the handle comprises a left handle and a right handle, the left handle has an upper stud for passing a screw gap, the right handle has a lower stud for screwing a screw into matching, the left handle and the right handle are connected by a screw passing through the upper stud and screwing into the lower stud with a gap, and the sliding support surface is fixedly arranged on the left handle.

6. An angle grinder using flat double-acting switch as claimed in claim 1, characterized in that the inner wall of the handle is provided with an inner support mating surface along which the driven slide lock button can approach or depart from the speed reduction assembly, and the height of the stop block extending into the slot of the handle is smaller than the distance between the slide support surface and the inner support mating surface when the stop block driving member is in the free state.

7. An angle grinder using flat double-action switch as claimed in claim 1, characterized in that the driven sliding lock knob has a plate-like cantilever structure near the end of the reduction assembly, the plate-like cantilever structure is fixedly connected with the stop and the stop driving member.

8. An angle grinder using flat double-action switch according to any of claims 1 to 7, characterized in that the driven slide lock knob is an integral piece.

9. An angle grinder using flat double-action switches, as claimed in claim 1, characterized in that the height of the protrusion of the stop driver from the surface of the sliding driver is 1-5mm.

10. An angle grinder using flat double-action switches, according to claim 1, characterized in that the upper surface of the sliding driving knob is provided with a mesh for facilitating the pushing operation.

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