CN218957584U - Switch device of electric tool and electric tool - Google Patents

Abstract

The utility model relates to a switch device of an electric tool and the electric tool, which comprises a handle, a switch device and an electronic component, wherein the switch device and the electronic component are arranged in the handle, the switch device is arranged in a split mode and comprises a trigger mechanism movably arranged on the handle, a push button mechanism rotatably arranged on the trigger mechanism, and an electronic switch, an error touch prevention mechanism and a start-up locking mechanism which are arranged in the handle and matched with the push button mechanism and the trigger mechanism to start up a machine. The switch has small whole volume, split arrangement, flexible interchange and convenient adjustment of the appearance and the size of the handle, so as to adapt to the requirements of different manufacturers on the switch, and adapt to the modeling of products and the continuously updated safety standard.

Description

Switch device of electric tool and electric tool

Technical Field

The present utility model relates to a switching device for an electric tool and an electric tool.

Background

The large angle grinder is a tool for cutting or polishing stone and metal, the large angle grinder depends on a switch to control the start and stop of a machine, most of the large angle grinder is a brush angle grinder in the market, most of the switch is a main loop integrated switch, as shown in fig. 6, a switch trigger and the main loop switch in the prior art are made into a whole, the whole size of the switch is large, the internal space of a handle is basically occupied by the switch, and the large space is needed for placing electronic components in a brushless angle grinder, so that the requirement of the existing brushless angle grinder on the internal space cannot be met, and the switches of different manufacturers cannot be interchanged due to the appearance and the size.

Disclosure of Invention

The utility model aims to provide a switch device of an electric tool, which has small whole volume and split arrangement, and can be flexibly interchanged to adapt to the switch requirements of different manufacturers.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the switch device of the electric tool comprises a handle, a switch device and an electronic component, wherein the switch device and the electronic component are arranged in the handle, the switch device is arranged in a split mode, the switch device comprises a trigger mechanism movably arranged on the handle, a push button mechanism rotatably arranged on the trigger mechanism, and an electronic switch, an error touch prevention mechanism and a starting locking mechanism, wherein the electronic switch is arranged in the handle and matched with the push button mechanism and the trigger mechanism to start a machine.

Preferably, when the trigger mechanism is directly pressed, the push button mechanism is in abutting connection with the anti-misoperation mechanism to limit, so that the trigger mechanism cannot push the trigger electronic switch, and the machine cannot be started normally.

Preferably, when the push button mechanism is pushed first, the push button mechanism rotates away from the anti-misoperation mechanism, the trigger mechanism is pressed again, the trigger mechanism triggers the electronic switch, the machine is started normally, the push button mechanism is pushed continuously, the push button mechanism is matched with the starting locking mechanism to fix the push button mechanism, when the trigger mechanism is pressed continuously, the push button mechanism is pulled out from the locking mechanism, the trigger mechanism pops out after the hand is released, the switch is disconnected, and the machine stops running.

Preferably, the push button mechanism comprises a push button, and a limiting spring sleeved on the inner side of the push button, wherein the limiting spring is limited between the push button and the trigger mechanism.

Preferably, the trigger mechanism comprises a trigger and a compression spring sleeved on the trigger, and the compression spring is limited between the trigger and the handle.

Preferably, the anti-false touch mechanism comprises a limit groove arranged on the push button and a limit rib arranged in the handle, and the limit rib is in fit and butt joint with the limit groove.

Preferably, the starting locking mechanism comprises a handle hook arranged in the handle and a push button hook arranged on the push button, wherein the push button hook is matched and hooked with the handle hook.

Preferably, the middle part of the push button is rotationally arranged on the trigger through a cylindrical pin, the limiting groove and the push button hook are oppositely arranged at one end of the push button, the push button is limited between the handle hook and the limiting rib, one end of the push button, corresponding to the limiting groove and one end of the push button hook, is arranged in the handle, and the other end of the push button extends out of the handle.

Preferably, the electronic switch is a micro switch or a hall electronic switch.

Preferably, the switch device further comprises a controller, wherein the controller is electrically connected with the motor, and the controller is arranged at the rear part of the motor and is partially wrapped in the handle.

Another object of the present utility model is to provide a power tool including the switching device of the power tool.

After the technical scheme is adopted, the utility model has the following advantages:

1. the switch device is arranged in a split mode, the interchangeability adaptability of each part is strong, the appearance and the size of the handle are convenient to adjust, and the switch device is suitable for the product modeling and the continuously updated safety standard;

2. the electronic switch is adopted, so that the whole volume is smaller than that of a main loop switch in the prior art, the space is saved, and sufficient space is reserved in the handle for placing electronic components;

3. the controller is arranged behind the motor and partially wrapped in the handle, and the switch device and the electronic component are arranged in the handle, so that the handle is convenient to hold, the human-computer engineering is suitable, and the overall arrangement is compact and reasonable;

3. the anti-false touch mechanism is arranged, so that accidents caused by false touch of the switch are effectively prevented;

4. the starting locking mechanism is arranged, so that the switch locking function can be realized without long-time pressing of the push button, and the operation is more labor-saving.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an exploded view of the push button mechanism and trigger mechanism of the present utility model;

FIG. 3 is a schematic view of the engagement and positioning of the anti-mistouch mechanism in the initial state of the present utility model;

FIG. 4 is a schematic diagram of the position of the anti-collision mechanism after pushing the push button mechanism according to the present utility model;

FIG. 5 is a schematic diagram showing the power-on locking mechanism of the present utility model cooperating with self-locking;

fig. 6 is a schematic diagram of a prior art structure.

Reference numerals:

1. a handle; 2. a push button mechanism; 21. a push button; 22. a limit spring; 3. a trigger mechanism; 31. a trigger; 32. a compression spring; 4. an electronic switch; 5. an anti-false touch mechanism; 51. a limit groove; 52. a limit rib; 6. a start-up locking mechanism; 61. a handle hook; 62. a push button hook; 7. an electronic component; 8. a cylindrical pin; 9. a controller; 10. a motor; 11. and a main loop switch.

Detailed Description

In order to more clearly illustrate the general inventive concept, the present utility model will be further described with reference to the accompanying drawings and specific embodiments. It is to be understood that the terms "upper," "lower," "left," "right," "longitudinal," "transverse," "inner," "outer," "vertical," "horizontal," "top," "bottom," and the like, as used herein, are merely based on the orientation or positional relationship shown in the drawings and are merely for convenience in describing the present utility model and to simplify the description, and do not indicate or imply that the devices/elements referred to must have or be configured and operated in a particular orientation and therefore should not be construed as limiting the utility model.

The switch device of the electric tool comprises a handle 1, a switch device and an electronic component 7, wherein the switch device and the electronic component 7 are arranged in the handle 1, the switch device is arranged in a split mode and comprises a trigger mechanism 3 movably arranged on the handle 1, a push button mechanism 2 rotatably arranged on the trigger mechanism 3, an electronic switch 4, an anti-mistouch mechanism 5 and a start-up locking mechanism 6, wherein the electronic switch 4 is arranged in the handle 1 and matched with the push button mechanism 2 and the trigger mechanism 3 to start up a machine.

When the trigger mechanism 3 is directly pressed, the push button mechanism 2 is in butt joint with the anti-misoperation mechanism 5 to limit, so that the trigger mechanism 3 can not push the trigger electronic switch 4, and the machine can not be started normally.

When the push button mechanism 2 is pushed firstly, the push button mechanism 2 rotates to be far away from the anti-misoperation mechanism 5, the trigger mechanism 3 is pressed again, the trigger mechanism 3 triggers the electronic switch, the machine is started normally, the push button mechanism 2 is pushed continuously, the push button mechanism 2 is matched with the starting locking mechanism 6 to fix the push button mechanism 2, when the trigger mechanism 3 is pressed continuously, the push button mechanism 2 is pulled out from the locking mechanism 6, the trigger mechanism 3 pops out after the hand is released, the switch is disconnected, and the machine stops running.

In order to make the overall arrangement more compact and reasonable, the switching device also comprises a controller 9, wherein the controller 9 is electrically connected with the motor 10, and the controller 9 is arranged at the rear part of the motor 10 and is partially wrapped in the handle 1.

The push button mechanism 2 comprises a push button 21, and a limit spring 22 sleeved on the inner side of the push button 21, wherein the limit spring 22 is limited between the push button 21 and the trigger mechanism 3.

The trigger mechanism 3 comprises a trigger 31 and a compression spring 32 sleeved on the trigger 31, wherein the compression spring 32 is limited between the trigger 31 and the handle 1.

The anti-false-touch mechanism 5 comprises a limit groove 51 arranged on the push button 21 and a limit rib 52 arranged in the handle 1, wherein the limit rib 52 is matched and abutted with the limit groove 51.

The starting-up locking mechanism 6 comprises a handle hook 61 arranged in the handle 1 and a push button hook 62 arranged on the push button 21, wherein the push button hook 62 is matched and hooked with the handle hook 61.

The switch device is arranged in a split manner through the structure, the middle part of the push button 21 is rotationally arranged on the trigger 31 through the cylindrical pin 8, the limiting groove 51 and the push button hook 62 are oppositely arranged at one end of the push button 21 and are limited between the handle hook 61 and the limiting rib 52, one end of the push button 21 corresponding to the limiting groove 51 and one end of the push button hook 62 are arranged in the handle 1, and the other end of the push button 21 extends out of the handle 1. The interchangeability adaptability of each part is strong, and the appearance and the size of the handle 1 are convenient to adjust, and the safety standard of the product model and continuous updating is adapted.

In order to reduce the volume of the electronic switch 4, sufficient space is left in the handle 1 to place the electronic assembly 7, and the electronic switch 4 adopts a micro switch or a Hall electronic switch. The space is greatly saved, and the internal structure of the handle 1 is more compact.

Another object of the present utility model is to provide a power tool including the switching device of the power tool.

The operation process comprises the following steps:

1. starting up

When the trigger mechanism 3 is directly pressed, the push button mechanism 2 is in abutting limit with the anti-misoperation mechanism 5, so that the trigger mechanism 3 cannot push the trigger electronic switch 4, and the machine cannot be started normally; when the push button mechanism 2 is pushed firstly, the push button mechanism 2 rotates away from the anti-misoperation mechanism 5, the trigger mechanism 3 is pressed again, the trigger mechanism 3 triggers the electronic switch, the machine is started normally, and at the moment, the push button mechanism 2 and the starting locking mechanism 6 are matched and fixed to the push button mechanism 2, namely, the push button hook 62 and the handle hook 61 are matched and locked, so that the machine is kept in a starting state.

2. Shutdown

Pressing the trigger mechanism 3, the push button hook 62 and the handle hook 61 are separated, the push button 21 rotates around the cylindrical pin 8 under the thrust of the limit spring 22 to completely separate the push button hook 62, the trigger mechanism 3 is loosened, the trigger 31 is reset under the action of the compression spring 32, the switch is turned off, and the machine stops running.

In addition to the above preferred embodiments, the present utility model has other embodiments, and various changes and modifications may be made by those skilled in the art without departing from the spirit of the utility model, which is defined in the appended claims.

Claims (10)

1. The utility model provides a switching device of electric tool, includes the handle, sets up switching device and the electronic component in the handle, its characterized in that: the switch device is arranged in a split mode and comprises a trigger mechanism movably arranged on the handle, a push button mechanism rotatably arranged on the trigger mechanism, and an electronic switch, an error touch prevention mechanism and a starting locking mechanism which are arranged in the handle and matched with the push button mechanism and the trigger mechanism to start the machine.

2. The switching device of a power tool according to claim 1, wherein: when the trigger mechanism is directly pressed, the push button mechanism is in butt joint with the anti-misoperation mechanism to limit, so that the trigger mechanism can not push the trigger electronic switch, and the machine can not be started normally.

3. The switching device of a power tool according to claim 2, wherein: when the trigger mechanism is continuously pressed, the trigger mechanism pops out from the locking mechanism, the switch is disconnected, and the machine stops running.

4. A switching device of a power tool according to claim 3, wherein: the push button mechanism comprises a push button, and a limit spring sleeved on the inner side of the push button, wherein the limit spring is limited between the push button and the trigger mechanism.

5. The switching device of the power tool according to claim 4, wherein: the trigger mechanism comprises a trigger and a compression spring sleeved on the trigger, and the compression spring is limited between the trigger and the handle.

6. The switching device of the power tool according to claim 5, wherein: the anti-misoperation mechanism comprises a limiting groove arranged on the push button and a limiting rib arranged in the handle, and the limiting rib is in fit and butt joint with the limiting groove.

7. The switching device of the power tool according to claim 6, wherein: the starting locking mechanism comprises a handle hook arranged in the handle and a push button hook arranged on the push button, wherein the push button hook is matched and hooked with the handle hook.

8. The switching device of the power tool according to claim 7, wherein: the middle part of the push button is rotationally arranged on the trigger through a cylindrical pin, the limiting groove and the push button hook are oppositely arranged at one end of the push button, the push button is limited between the handle hook and the limiting rib, one end of the push button, corresponding to the limiting groove and the push button hook, is arranged in the handle, and the other end of the push button can extend out of the handle.

9. The switching device of a power tool according to claim 1, wherein: the switch device also comprises a controller, wherein the controller is electrically connected with the motor, and the controller is arranged at the rear part of the motor and is partially wrapped in the handle.

10. An electric tool, characterized in that: a switching device comprising the power tool of any one of claims 1-9.

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