Button type electric tool

Abstract

The utility model belongs to the technical field of electric tools, in particular to a button type electric tool, which comprises an electric tool main body and a switch assembly, the switch assembly comprises a self-locking button, a button and a back-locking button, one end of the button is hinged with the electric tool main body, and the button can rotate inwards relative to the electric tool main body by pressing the button. The middle end of the back locking button is rotationally connected with the button, the inner end of the back locking button extends into the electric tool body, the outer end of the back locking button extends out of the electric tool body, a clamping hook part is formed at the inner end of the back locking button, a connecting part is arranged in the electric tool body, and the clamping hook part at the inner end can be driven to rotate by driving the outer end to rotate and is hooked with the connecting part. The button type electric tool comprises a button, a self-locking button is arranged on the button, an abutting portion is arranged on the self-locking button, the abutting portion abuts against the inner end of the button and limits pressing of the button, the abutting portion can be driven to be separated from the inner end of the button when the self-locking button is pressed, and the button type electric tool is simple in structure and has a back locking function and a self-locking function.

Description

Technical Field

[0001] The utility model belongs to the technical field of electric tools, in particular to a button-type electric tool. Background Art

[0002] Power tools are commonly used in daily life, such as electric wrenches, electric drills, angle grinders, etc. Currently, all power tools on the market are designed with a switch to start, and the functions of the switches of such power tools are relatively simple. Either an anti-locking function is designed but no self-locking function, or a self-locking function is designed but no anti-locking function. There are safety hazards of accidental touch by users during operation, and most of the switches of power tools on the market are push-pull type. Therefore, there is a need for a button-type power tool with both anti-locking and self-locking. Summary of the invention

[0003] The utility model aims to provide a button-type electric tool with a simple structure and both reverse locking and self-locking functions.

[0004] The purpose of the utility model is achieved in this way:

[0005] A button-type electric tool comprises an electric tool body and a switch assembly, wherein the switch assembly comprises a self-locking button, a push button and a reverse locking button, wherein one end of the push button is hinged to the electric tool body, and the push button can be rotated inward relative to the electric tool body by pressing the push button, and the middle end of the reverse locking button is rotationally connected to the push button, the inner end of the reverse locking button extends into the electric tool body, and the outer end extends out of the electric tool body, and a hook portion is formed at the inner end of the reverse locking button, and a connecting portion is provided in the electric tool body, and driving the outer end to rotate can drive the hook portion on the inner end to rotate and hook with the connecting portion, and an abutment portion is provided on the self-locking button, and the abutment portion abuts against the inner end of the button and limits the pressing of the button, and pressing the self-locking button can drive the abutment portion to separate from the inner end of the button.

[0006] Furthermore, the self-locking button is arranged on one side of the electric tool body, and a connecting seat is also arranged inside the electric tool body. The connecting seat is adapted to the shape of the self-locking button. When the self-locking button is pressed, the self-locking button moves inward and abuts against the connecting seat.

[0007] Furthermore, a guide portion is provided in the self-locking button, a guide groove is provided on the connecting seat, the guide portion is matched with the guide groove, and a reset spring is sleeved on the guide portion.

[0008] Furthermore, a rotating hole is opened in the middle of the anti-lock button, a rotating shaft is arranged in the rotating hole, the anti-lock button is rotatably connected with the button through the rotating shaft, a torsion spring is also arranged on the rotating shaft, one end of the torsion spring abuts against the button, and the other end abuts against the anti-lock button.

[0009] Furthermore, a U-shaped groove is provided in the middle of the button, a rotating shaft is provided in the U-shaped groove, and the anti-lock button is rotatably connected to the button via the rotating shaft.

[0010] Furthermore, a blocking portion is convexly provided in the U-shaped groove, and the blocking portion is respectively arranged on the inner walls on both sides of the U-shaped groove and limits the separation of the rotating shaft.

[0011] Furthermore, a limiting platform is provided on the power tool body, and an abutting end is protruded from one end of the button, and the abutting end abuts against the limiting platform and limits the button from being separated from the power tool body.

[0012] Compared with the prior art, the utility model has the following outstanding and beneficial technical effects:

[0013] The utility model discloses a button-type electric tool, comprising an electric tool body and a switch assembly, wherein the switch assembly comprises a self-locking button, a button and an anti-locking button, wherein one end of the button is hinged to the electric tool body, and the button can be rotated inwardly relative to the electric tool body by pressing the button, and the middle end of the anti-locking button is rotatably connected with the button, the inner end of the anti-locking button extends into the electric tool body, and the outer end extends out of the electric tool body, and a hook portion is formed at the inner end of the anti-locking button, and a connecting portion is provided in the electric tool body. Driving the outer end to rotate can drive the hook portion on the inner end to rotate and hook with the connecting portion, and an abutting portion is provided on the self-locking button, and the abutting portion abuts against the inner end of the button and limits the pressing of the button, and pressing the self-locking button can drive the abutting portion to separate from the inner end of the button. At present, the switch functions of electric tools on the market are too single, and either the anti-locking function is designed but without the self-locking function, or the self-locking function is designed but without the anti-locking function. The utility model is provided with a switch that can be both self-locking and anti-locking, and has stronger functionality, thereby improving the practicality and safety of workers. The reverse locking function of the present invention is to hook the connecting part inside the power tool body through the hook part on the reverse locking button. After being hooked, the button cannot return to its original position, and the user does not need to keep pressing the button for a long time. The self-locking function is to abut the inner end of the button through the abutting part on the self-locking button. At this time, the button cannot be pressed inwardly and cannot be started, and the worker will not accidentally touch it and cause safety hazards. The present invention can achieve self-locking and reverse locking at the same time through a simple design. Compared with the functions on the buttons currently on the market, the user first presses the self-locking button, and the self-locking button moves under pressure. The abutting part on the self-locking button is separated from the abutting part with the inner end of the button. At this time, the self-locking button cannot provide the force to limit the pressing of the button, and the worker can press the button. After pressing the button, since the reverse locking button and the button are rotatably connected, the reverse locking button will move with the button when the button moves. The worker only needs to add a little pushing force to the reverse locking button, and the reverse locking button will rotate. At this time, the hook part on the reverse locking button will rotate to the connecting part and hook with the connecting part. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a stereogram of the utility model.

[0015] Figure 2It is a cross-sectional view of the utility model.

[0016] Figure 3 This is a separation diagram of the electric tool body and the switch assembly of the utility model.

[0017] Figure 4 It is a stereogram of the switch assembly of the utility model.

[0018] Figure 5 It is an exploded view of the switch assembly of the utility model.

[0019] Figure 6 It is a schematic diagram of the abutment between the self-locking button and the push button of the utility model.

[0020] Figure 7 It is an internal schematic diagram of the utility model with part of the outer shell removed.

[0021] Figure 8 It is a partial internal schematic diagram of the main body of the electric tool of the utility model.

[0022] The meaning of the symbols in the figure:

[0023] 1-power tool body; 2-switch assembly; 3-self-locking button; 4-button; 5-anti-locking button; 6-hook portion; 7-connecting portion; 8-abutting portion; 9-connecting seat; 10-guide portion; 11-guide groove; 12-rotating shaft; 13-U-shaped groove; 14-blocking portion; 15-limiting platform; 16-abutting end. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with specific embodiments:

[0025] A button-type electric tool comprises an electric tool body 1 and a switch assembly 2, wherein the switch assembly 2 comprises a self-locking button 3, a button 4 and a reverse locking button 5, wherein one end of the button 4 is hinged to the electric tool body 1, and the button 4 can be rotated inward relative to the electric tool body 1 by pressing the button 4, and the middle end of the reverse locking button 5 is rotationally connected to the button 4, the inner end of the reverse locking button 5 extends into the electric tool body 1, and the outer end extends out of the electric tool body 1, and a hook portion 6 is formed at the inner end of the reverse locking button 5, and a connecting portion 7 is provided in the electric tool body 1, and driving the outer end to rotate can drive the hook portion 6 on the inner end to rotate and be hooked with the connecting portion 7, and an abutment portion 8 is provided on the self-locking button 3, and the abutment portion 8 abuts against the inner end of the button 4 and limits the pressing of the button 4, and pressing the self-locking button 3 can drive the abutment portion 8 to disengage from the inner end of the button 4.

[0026] The utility model discloses a button-type electric tool, comprising an electric tool body 1 and a switch assembly 2, wherein the switch assembly 2 comprises a self-locking button 3, a button 4 and a reverse locking button 5, wherein one end of the button 4 is hinged to the electric tool body 1, and the button 4 can be rotated inward relative to the electric tool body 1 by pressing the button 4, and the middle end of the reverse locking button 5 is rotatably connected to the button 4, the inner end of the reverse locking button 5 extends into the electric tool body 1, and the outer end extends out of the electric tool body 1, and the inner end of the reverse locking button 5 is formed with a hook portion 6, and the electric tool body 1 is provided with a connecting portion 7, which drives the outer end The rotation can drive the hook portion 6 on the inner end to rotate and hook with the connecting portion 7. The self-locking button 3 is provided with an abutment portion 8, which abuts against the inner end of the button 4 and limits the pressing of the button 4. Pressing the self-locking button 3 can drive the abutment portion 8 to separate from the inner end of the button 4. The switch functions of electric tools currently on the market are too single, either with an anti-locking function but no self-locking function, or with a self-locking function but no anti-locking function. The utility model is provided with both self-locking and anti-locking functions, which is more functional and improves the practicality and safety of workers. The reverse locking function of the utility model is achieved by hooking the hook portion 6 on the reverse locking button 5 with the connecting portion 7 inside the power tool body 1. After being hooked, the button 4 cannot return to the original position, and the user does not need to keep pressing the button 4 for a long time. The self-locking function is achieved by the abutting portion 8 on the self-locking button 3 abutting against the inner end of the button 4. At this time, the button 4 cannot be pressed inward and cannot be started, and the worker will not accidentally touch it and cause a safety hazard. The utility model can achieve self-locking and reverse locking at the same time through a simple design. Compared with the functions on the buttons currently on the market, the utility model is more diversified and safer to use. When the worker uses it, he first presses the self-locking button 3, and the self-locking button 3 moves under the pressure, and the abutting part 8 on the self-locking button 3 disengages from the abutment with the inner end of the button 4. At this time, the self-locking button 3 cannot provide a force to limit the pressing of the button 4, and the worker can press the button 4. After pressing the button 4, since the anti-locking button 5 and the button 4 are rotationally connected, the anti-locking button 5 will move with the button 4 when the button 4 moves. The worker only needs to add a little pushing force to the anti-locking button 5, and the anti-locking button 5 will rotate. At this time, the hook part 6 on the anti-locking button 5 will rotate to the connecting part 7 and hook with the connecting part 7.

[0027] Preferably, the self-locking button 3 is arranged on one side of the electric tool body 1, and a connecting seat 9 is also provided in the electric tool body 1. The connecting seat 9 is adapted to the shape of the self-locking button 3. When the self-locking button 3 is pressed, the self-locking button 3 moves inward and abuts against the connecting seat 9. Being arranged on one side of the electric tool body 1 can better prevent people from accidentally touching it, and is consistent with the hand posture movement when people maintain it. The connecting seat 9 provides a position for connecting with the self-locking button 3 to prevent the user from moving the position after pressing the self-locking button 3 in.

[0028] Preferably, a guide portion 10 is provided in the self-locking button 3, and a guide groove 11 is provided on the connecting seat 9. The guide portion 10 is adapted to the guide groove 11, and a reset spring is sleeved on the guide portion 10. The guide portion 10 is adapted to the guide groove 11, which plays a better guiding role to avoid deviation of the self-locking button 3 when pressed, and the self-locking button 3 can also actively rebound through the reset spring.

[0029] Preferably, a rotating hole is opened in the middle of the anti-lock button 5, and a rotating shaft 12 is arranged in the rotating hole. The anti-lock button 5 is rotationally connected with the button 4 through the rotating shaft 12. A torsion spring is also arranged on the rotating shaft 12. One end of the torsion spring abuts against the button 4, and the other end abuts against the anti-lock button 5. The anti-lock button 5 and the button 4 of the utility model are rotationally connected through the rotating shaft 12. Driving the anti-lock button 5 can be equivalent to rotating the button 4 through the rotating shaft 12. When the hook portion 6 at the inner end of the anti-lock button 5 is hooked with the connecting portion 7, the user releases his fingers and the torsion spring will push the button 4 to rebound.

[0030] Preferably, a U-shaped groove 13 is opened in the middle of the button 4, and a rotating shaft 12 is arranged in the U-shaped groove 13. The anti-lock button 5 is rotatably connected to the button 4 through the rotating shaft 12, which is convenient for manufacturers to assemble, and the detachable connection is convenient for replacing the rotating shaft 12.

[0031] Preferably, a blocking portion 14 is convexly provided in the U-shaped groove 13, and the blocking portion 14 is respectively arranged on the inner walls on both sides of the U-shaped groove 13 and limits the detachment of the rotating shaft 12 to prevent the rotating shaft 12 from detaching from the U-shaped groove 13. The protruding U-shaped groove 13 can effectively block the movement of the rotating shaft 12. During disassembly, the user only needs to overcome the blocking force, but the force of the torsion spring cannot cause the rotating shaft 12 to detach from the U-shaped groove 13.

[0032] Preferably, a limiting platform 15 is further provided on the power tool body 1 , and an abutting end 16 is protruded from one end of the button 4 , the abutting end 16 abuts against the limiting platform 15 and limits the button 4 from detaching from the power tool body 1 , thereby preventing the button 4 from detaching from the power tool body 1 .

[0033] The above embodiments are only preferred embodiments of the present invention and are not intended to limit the protection scope of the present invention. Therefore, any equivalent changes made based on the structure, shape, and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A push-button electric tool, comprising an electric tool body (1) and a switch assembly (2), characterized in that: The switch assembly (2) comprises a self-locking button (3), a button (4) and a reverse locking button (5); one end of the button (4) is hinged to the electric tool body (1); the button (4) can be rotated inward relative to the electric tool body (1) by pressing the button (4); the middle end of the reverse locking button (5) is rotatably connected to the button (4); the inner end of the reverse locking button (5) extends into the electric tool body (1) and the outer end extends out of the electric tool body (1); a hook portion (6) is formed on the inner end of the reverse locking button (5); a connecting portion (7) is provided in the electric tool body (1); driving the outer end to rotate can drive the hook portion (6) on the inner end to rotate and be hooked with the connecting portion (7); a contact portion (8) is provided on the self-locking button (3); the contact portion (8) abuts against the inner end of the button (4) and limits the pressing of the button (4); pressing the self-locking button (3) can drive the contact portion (8) to separate from the inner end of the button (4).

2. A button-type electric tool according to claim 1, characterized in that: The self-locking button (3) is arranged on one side of the electric tool body (1); a connecting seat (9) is also arranged inside the electric tool body (1); the connecting seat (9) is adapted in shape to the self-locking button (3); when the self-locking button (3) is pressed, the self-locking button (3) moves inward and abuts against the connecting seat (9).

3. A button-type electric tool according to claim 2, characterized in that: The self-locking button (3) is provided with a guide portion (10), the connecting seat (9) is provided with a guide groove (11), the guide portion (10) is matched with the guide groove (11), and a return spring is sleeved on the guide portion (10).

4. A push-button electric tool according to claim 1, characterized in that: A rotation hole is provided in the middle of the anti-lock button (5), a rotating shaft (12) is provided in the rotating hole, the anti-lock button (5) is rotationally connected to the button (4) via the rotating shaft (12), a torsion spring is also provided on the rotating shaft (12), one end of the torsion spring abuts against the button (4), and the other end abuts against the anti-lock button (5).

5. A push-button electric tool according to claim 1, characterized in that: A U-shaped groove (13) is provided in the middle of the button (4), a rotating shaft (12) is provided in the U-shaped groove (13), and the anti-locking button (5) is rotatably connected to the button (4) via the rotating shaft (12).

6. A push-button electric tool according to claim 5, characterized in that: A blocking portion (14) is convexly provided inside the U-shaped groove (13), and the blocking portion (14) is respectively arranged on the inner walls on both sides of the U-shaped groove (13) and restricts the rotation shaft (12) from escaping.

7. A push-button electric tool according to claim 6, characterized in that: A limiting platform (15) is also provided on the electric tool body (1), and an abutment end (16) is protruding from one end of the button (4); the abutment end (16) abuts against the limiting platform (15) and limits the button (4) from being separated from the electric tool body (1).

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