CN212725120U

CN212725120U - Electric tool switch

Info

Publication number: CN212725120U
Application number: CN202021914275.3U
Authority: CN
Inventors: 王囡
Original assignee: Yongkang Kerong Industry And Trade Co ltd
Current assignee: Yongkang Kerong Industry And Trade Co ltd
Priority date: 2020-09-04
Filing date: 2020-09-04
Publication date: 2021-03-16
Anticipated expiration: 2030-09-04

Abstract

The utility model discloses an electric tool switch, including casing, button, push away axle, swing piece, contact piece and reset spring, the right part of base be equipped with the connecting piece, connecting piece upper portion be equipped with the articulated shaft, the button right part is articulated through articulated shaft and connecting piece, the connecting piece lower part is equipped with from the locking ladder, be equipped with on the button with from locking ladder complex from the latch fitting. The utility model discloses simple structure, bulk strength are high, long service life, but one hand control button and self-locking spare, convenient to use.

Description

Electric tool switch

Technical Field

The utility model belongs to the technical field of electric tool, especially, relate to an electric tool switch.

Background

A mechanized tool, which uses a motor or an electromagnet as power and drives a working head through a transmission mechanism, is called an electric tool. Common electric tools include electric drills, electric grinders, electric screwdrivers, and the like.

The existing electric tool switch generally adopts a self-locking device to improve the labor-saving performance of use, but the existing self-locking device is complex to operate, inconvenient to use and short in service life.

SUMMERY OF THE UTILITY MODEL

Based on the problem that the background art exists, the utility model aims to provide an electric tool switch.

In order to achieve the purpose, the utility model provides a technical scheme does:

the utility model relates to an electric tool switch, including casing, button, push away axle, swing piece, contact piece and reset spring, the casing constitute by base and cover plate integrated circuit board, the axle that pushes away pass base top and base sliding connection, reset spring locates and pushes away the axle below, the button is located and is pushed away epaxial side, swing piece and contact piece install inside the casing, push away the axle and pass through switch spring and be connected with the swing piece, the right part of base be equipped with the connecting piece, connecting piece upper portion be equipped with the articulated shaft, the button right part is articulated through articulated shaft and connecting piece, the connecting piece lower part is equipped with auto-lock ladder, be equipped with on the button with auto-lock ladder complex auto-lock spare.

Preferably, the self-locking piece comprises a self-locking button, a self-locking spring and a self-locking shaft, a boss is arranged below the self-locking shaft, the self-locking shaft is sleeved on the self-locking spring, and the self-locking button is sleeved on the upper part of the self-locking shaft; the button on be equipped with the auto-lock shaft hole, the lower part in auto-lock shaft hole is equipped with the spring-supported platform, the auto-lock axle pass the auto-lock shaft hole, the lower extreme top of auto-lock spring is on the spring-supported platform, the upper end top is at the lower terminal surface of auto-lock button, the lower extreme of auto-lock ladder be equipped with and detain the platform, the boss with detain a cooperation auto-lock.

Preferably, the connecting piece and the base are of an integral structure.

Preferably, the push shaft corresponds to a left portion of the button.

Preferably, the lower end of the push shaft is provided with a moving body, the lower end of the moving body is provided with a groove, the upper end of the return spring is positioned in the groove, and the lower end of the return spring is propped against the bottom of the base.

Preferably, swing piece middle part be equipped with logical groove, the right-hand member of swing piece passes through the support frame and installs on the base, the swing piece rotates with the support frame to be connected, the moving body pass logical groove and be located the right side that leads to the groove, the left end of moving body is equipped with first awl protrudingly, the left end that leads to the groove is equipped with the second toper protrudingly, switch spring's both ends connect respectively on first awl is protruding and the second toper is protruding.

Preferably, the swing piece is arranged obliquely, the height of the left end of the swing piece is lower than that of the high end of the right end, the lower part of the left end of the swing piece is supported in the base, a movable contact is arranged above the left end of the swing piece, the contact piece is arranged at the upper part in the base, a fixed contact is arranged below the contact piece, and after the swing piece swings, the movable contact is in contact with the fixed contact.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

1. the utility model provides a button is articulated with the base, sets up from the latch fitting through the articulated department at the button, and from the auto-lock ladder cooperation auto-lock on latch fitting and the base, it is few to move down the distance when the auto-lock fitting auto-lock, but one-hand control button and auto-lock spare, convenient to use.

2. The utility model has the advantages of simple overall structure, the inside structure through the double spring of switch carries out the switching, and the contact sensitivity is high, and it is effectual to recover after the use.

3. The utility model provides a connecting piece and base adopt the integral type structure, and bulk strength is high, long service life.

Drawings

Fig. 1 is a schematic view of the overall external structure of the present invention;

fig. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is an exploded view of the present invention;

fig. 4 is a schematic structural diagram of the button of the present invention;

fig. 5 is a schematic structural view of the swinging plate of the present invention;

description of the labels in the schematic:

1-a shell; 2-a button; 3-a switch spring; 4-a swinging sheet; 5-a contact sheet; 6-a return spring; 7-self-locking piece; 8-a mobile body; 9-a support frame; 10-pushing the shaft; 11-a base; 12-a cover plate; 13-a connector; 14-articulated shaft 15-self-locking ladder; 16-buckling a table; 21-self-locking shaft hole; 22-a spring support platform; 41-through groove; 42-second pyramid protrusion; 43-moving contact; 51-stationary contact; 71-self-locking sleeve; 72-a self-locking spring; 73-self-locking shaft; 74-boss; 81-groove; 82-first convex cone.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, the present embodiment relates to an electric tool switch, which includes a housing 1, a button 2, a push shaft 10, a swing piece 4, a contact piece 5 and a return spring 6, wherein the housing 1 is formed by clamping a base 11 and a cover plate 12, the push shaft 10 passes through the top of the base 11 and is slidably connected with the base 11, the return spring 6 is disposed below the push shaft 10, the button 2 is disposed above the push shaft 10, the push shaft 10 corresponds to the left end of the button 2, the button 2 and the push shaft 10 are separated, the swing piece 4 and the contact piece 5 are mounted inside the housing 1, the push shaft 10 is connected with the swing piece 4 through the switch spring 3, the right portion of the base 11 is provided with a connecting piece 13, the connecting piece 13 and the base 11 are of an integrated structure, the upper portion of the connecting piece 13 is provided with a hinge shaft 14, the right portion of the button 2 is hinged with the connecting piece 13 through the hinge shaft, the button 2 is provided with a self-locking piece 7 matched with the self-locking ladder 15.

As shown in fig. 3, the self-locking member 7 includes a self-locking button 71, a self-locking spring 72 and a self-locking shaft 73, a boss 74 is provided below the self-locking shaft 73, the self-locking shaft 73 is sleeved on the self-locking spring 72, and the self-locking button 71 is sleeved on the upper portion of the self-locking shaft 73; the button 2 on be equipped with auto-lock shaft hole 21, the lower part in auto-lock shaft hole 21 is equipped with spring support platform 22, auto-lock shaft 73 pass auto-lock shaft hole 21, the lower extreme top of auto-lock spring 72 is on spring support platform 22, the upper end top is at the lower terminal surface of auto-lock button 71, the lower extreme of auto-lock ladder 15 be equipped with and detain platform 16, boss 74 and knot platform 16 cooperation auto-lock.

As shown in fig. 2 to 5, the lower end of the push shaft 10 is provided with a moving body 8, the lower end of the moving body 8 is provided with a groove 81, the upper end of the return spring 6 is located in the groove 81, and the lower end of the return spring is against the bottom of the base 11. 4 middle parts of swing piece be equipped with logical groove 41, the right-hand member of swing piece 4 passes through support frame 9 and installs on base 11, swing piece 41 rotates with support frame 9 to be connected, the removal body 8 pass logical groove 41 and be located the right side that leads to groove 41, the left end of removal body 8 is equipped with first awl arch 82, the left end that leads to groove 41 is equipped with second awl arch 42, switch spring 3's both ends are connected respectively on first awl arch 82 and second awl arch 42. The swing sheet 4 is obliquely arranged, the height of the left end of the swing sheet 4 is lower than that of the high end of the right end, the lower part of the left end of the swing sheet 4 is supported in the base 11, the movable contact 42 is arranged above the left end of the swing sheet 4, the contact sheet 5 is arranged at the upper part in the base 11, the fixed contact 51 is arranged below the contact sheet 5, and after the swing sheet 4 swings upwards, the movable contact 41 is in contact with the fixed contact 51.

The utility model discloses a theory of operation is:

in use, a middle finger presses down on button 2, while the index finger presses down on lock button 71 and dials lock button 71, lock shaft 73 swings outward so that boss 74 is outside lock ladder 15. When the push button 2 is pressed, the moving body 8 moves downward, the return spring 6 is compressed, the right end of the switch spring 3 moves downward to a position lower than the left end, the left side of the swing piece 4 is pushed up by the spring, the movable contact 42 contacts with the stationary contact 51 on the contact piece 5, and the power is turned on. After the self-locking button 71 is pressed down, the self-locking spring 72 is compressed, the boss 74 moves to the lower part of the buckling platform 16, the upper surface of the boss 74 is buckled on the buckling platform 16, and self-locking is completed.

The present invention and its embodiments have been described above schematically, without limitation, and what is shown in the drawings is merely an embodiment of the present invention, and the actual structure is not limited thereto. Therefore, those skilled in the art should understand that they can easily and effectively implement the present invention without departing from the spirit and scope of the present invention.

Claims

1. The utility model provides an electric tool switch, includes casing, button, pushes away axle, swing piece, contact piece and reset spring, the casing constitute by base and cover plate integrated circuit board, the axle that pushes away pass base top and base sliding connection, reset spring locates and pushes away the axle below, the button is located and is pushed away epaxial side, swing piece and contact piece install inside the casing, the push rod passes through switch spring and is connected with the swing piece, a serial communication port, the right part of base be equipped with the connecting piece, connecting piece upper portion be equipped with the articulated shaft, the button right part is articulated through articulated shaft and connecting piece, the connecting piece lower part is equipped with the auto-lock ladder, be equipped with on the button with auto-lock ladder complex auto-lock spare.

2. The power tool switch of claim 1, wherein the self-locking member comprises a self-locking button, a self-locking spring and a self-locking shaft, a boss is arranged below the self-locking shaft, the self-locking shaft is sleeved on the self-locking spring, and the self-locking button is sleeved on the upper part of the self-locking shaft; the button on be equipped with the auto-lock shaft hole, the lower part in auto-lock shaft hole is equipped with the spring-supported platform, the auto-lock axle pass the auto-lock shaft hole, the lower extreme top of auto-lock spring is on the spring-supported platform, the upper end top is at the lower terminal surface of auto-lock button, the lower extreme of auto-lock ladder be equipped with and detain the platform, the boss with detain a cooperation auto-lock.

3. The power tool switch of claim 1, wherein the connecting member is a unitary structure with the base.

4. The power tool switch of claim 1, wherein the push shaft corresponds to a left portion of the button.

5. The power tool switch according to claim 1, wherein the lower end of the push shaft is provided with a moving body, the lower end of the moving body is provided with a groove, the upper end of the return spring is positioned in the groove, and the lower end of the return spring is abutted against the bottom of the base.

6. The switch of claim 5, wherein the middle of the swing plate has a through slot, the right end of the swing plate is mounted on the base through the support frame, the swing plate is rotatably connected to the support frame, the moving body passes through the through slot and is located on the right side of the through slot, the left end of the moving body has a first cone protrusion, the left end of the through slot has a second cone protrusion, and two ends of the switch spring are respectively connected to the first cone protrusion and the second cone protrusion.

7. The power tool switch of claim 6, wherein the swing piece is disposed obliquely, the height of the left end of the swing piece is lower than that of the right end, the lower part of the left end of the swing piece is supported in the base, the upper part of the left end is provided with the movable contact, the contact piece is arranged at the upper part in the base, the lower part of the contact piece is provided with the fixed contact, and after the swing piece swings, the movable contact is contacted with the fixed contact.