Electric screwdriver torque locking device

Abstract

The utility model provides an electric screwdriver torque locking device which comprises an electric screwdriver body, a torque adjusting head is movably arranged at the right end of the electric screwdriver body, a locking mechanism is arranged at one end of the electric screwdriver body and on the outer side of the torque adjusting head, and the locking mechanism comprises an installation cylinder and a limiting cover. The limiting cover can be limited through the arranged limiting mechanisms such as the sliding groove and the sliding block, so that the limiting cover can transversely slide on the outer side of the mounting cylinder, the limiting cover is blocked on the outer side of the torque adjusting head, torque misoperation can be effectively prevented, the limiting cover can be moved away, the torque adjusting head is exposed, and the torque adjusting head is prevented from being damaged. The torque of the electric screwdriver can be conveniently adjusted, the device does not need to be disassembled, and operation is easy and convenient; and strong magnets are arranged in the sliding grooves and the sliding blocks, the limiting cover can be fixed through the magnetic attraction effect between the strong magnets, the stability of the limiting cover is improved, and practicability is high.

Description

Technical Field

[0001] The utility model relates to the technical field of electric screwdriver torque locking, in particular to an electric screwdriver torque locking device. Background Technique

[0002] A torque adjustment head is arranged at the front end of a common electric screwdriver. However, the torque adjustment head can only adjust the torque of the electric screwdriver, but no locking function is provided, and the torque adjustment head cannot be locked. During use, it is easy to accidentally touch the torque adjustment head.

[0003] The Chinese utility model patent with the publication number of 214923944U proposes an electric screwdriver torque locking device and an electric screwdriver, including a torque locking sleeve. The torque locking sleeve includes a sleeve body with a hollow structure. One end of the sleeve body is fixedly provided with a locking flange. The locking flange is coaxially arranged with the sleeve body. A notch for splitting it is arranged on the side wall of the locking flange, and the split part is connected by a fastening screw. This technical solution is fixed on the electric screwdriver head section by tightening the fastening screw. The torque adjustment head is covered by the sleeve body and cannot be rotated and adjusted, so as to effectively prevent the misoperation of the electric screwdriver torque and ensure the stability of the electric screwdriver torque. However, when it is necessary to adjust the torque of the electric screwdriver, it is necessary to rotate the fastening screw in the reverse direction and remove the torque locking sleeve. After the adjustment is completed, the torque locking cylinder is reinstalled on the electric screwdriver, and the operation is relatively complicated and the practicability is low.

[0004] Therefore, the utility model provides an electric screwdriver torque locking device. Content of the Utility Model

[0005] Aiming at the deficiencies of the existing technology, the purpose of the utility model is to provide an electric screwdriver torque locking device to solve the problems raised in the above background technique. The utility model can move and adjust the limit cover through the arranged limit mechanism, can effectively prevent torque misoperation, and can also move the limit cover away to expose the torque adjustment head, which is convenient for adjusting the torque of the electric screwdriver and has high practicability.

[0006] In order to achieve the above purpose, the utility model is realized through the following technical solutions: an electric screwdriver torque locking device, including an electric screwdriver body. A torque adjustment head is movably arranged at the right end of the electric screwdriver body. A locking mechanism is arranged outside one end of the electric screwdriver body and the torque adjustment head. The locking mechanism includes an installation cylinder and a limit cover. Clamping plates are symmetrically arranged at the top and bottom inside the installation cylinder through adjustment screws. The limit cover is movably arranged outside the installation cylinder through a limit mechanism. The limit mechanism includes a chute and a slider.

[0007] Furthermore, a bit installation position is arranged at one end of the torque adjustment head. A cable is fixedly arranged at the right end of the electric screwdriver body. A reset button is arranged at the top of the left end of the electric screwdriver body.

[0008] Further, both the installation cylinder and the limit cover are made of transparent acrylic, and the installation cylinder is arranged between the torque adjustment head and the electric screwdriver body.

[0009] Further, the clamping plate is arc-shaped, and rubber bumps are arranged on the inner wall of the clamping plate.

[0010] Further, the adjusting screw is rotationally installed on the outer wall of the clamping plate in a limited manner, and the adjusting screw is screwed and installed inside the top and bottom ends of the installation cylinder.

[0011] Further, the sliding grooves are symmetrically opened inside the inner walls on the front and rear sides of the limit cover, and the sliders are installed in the sliding grooves in a limited sliding manner.

[0012] Further, the sliders are symmetrically and fixedly arranged on the front and rear outer walls of the installation cylinder, and strong magnets are fixedly arranged inside the sliders and inside the sliding grooves.

[0013] Further, a through hole is opened at one end of the limit cover, the torque adjustment head is arranged inside the limit cover and the through hole, and the torque adjustment head is in close contact with the inner wall of the through hole.

[0014] The beneficial effects of the present utility model: An electric screwdriver torque locking device of the present utility model can limit the limit cover through a limiting mechanism such as a sliding groove and a slider, so that the limit cover can slide horizontally on the outside of the installation cylinder, thereby blocking the limit cover outside the torque adjustment head, effectively preventing torque misoperation, and can also move the limit cover away and expose the torque adjustment head, facilitating the adjustment of the torque of the electric screwdriver without disassembling the device, and the operation is simple and convenient; by arranging strong magnets inside the sliding groove and the slider, the magnetic attraction between the strong magnets can fix the limit cover and improve the stability of the limit cover, and the practicability is high. Description of the Drawings

[0015] Figure 1 is a structural diagram of an electric screwdriver torque locking device of the present utility model;

[0016] Figure 2 is a front sectional view of an electric screwdriver torque locking device of the present utility model;

[0017] Figure 3 is an electric screwdriver structural diagram of an electric screwdriver torque locking device of the present utility model;

[0018] Figure 4 is a locking mechanism structural diagram of an electric screwdriver torque locking device of the present utility model;

[0019] In the figure: 1. Electric screwdriver body; 2. Reset button; 3. Cable; 4. Torque adjustment head; 5. Bit installation position; 6. Locking mechanism; 7. Installation cylinder; 8. Clamping plate; 9. Adjusting screw; 10. Limiting cover; 11. Slide groove; 12. Slide block; 13. Strong magnet. Specific embodiments

[0020] In order to make the technical means, creative features, achieved purposes and effects realized by the present utility model easy to understand, the present utility model will be further described below in conjunction with specific embodiments.

[0021] Please refer to Figures 1 to 4 , the present utility model provides a technical solution: an electric screwdriver torque locking device, including an electric screwdriver body 1, a torque adjustment head 4 is movably arranged at the right end of the electric screwdriver body 1, a locking mechanism 6 is arranged at one end of the electric screwdriver body 1 and the outside of the torque adjustment head 4, the locking mechanism 6 includes an installation cylinder 7 and a limiting cover 10, clamping plates 8 are symmetrically arranged at the top and bottom inside the installation cylinder 7 through adjusting screws 9, the limiting cover 10 is movably arranged outside the installation cylinder 7 through a limiting mechanism, the limiting mechanism includes a slide groove 11 and a slide block 12, the limiting cover 10 can be limited and slide outside the installation cylinder 7, so that the torque adjustment head 4 can be exposed, facilitating the adjustment of the torque of the electric screwdriver body 1, without the need to disassemble the device, with simple operation and high practicability.

[0022] In this embodiment, a bit installation position 5 is arranged at one end of the torque adjustment head 4, a cable 3 is fixedly arranged at the right end of the electric screwdriver body 1, and a reset button 2 is arranged at the top of the left end of the electric screwdriver body 1. The bit installation position 5 can be used to install a bit, so as to facilitate the use of the electric screwdriver body 1 for work.

[0023] In this embodiment, both the installation cylinder 7 and the limiting cover 10 are made of transparent acrylic products, the installation cylinder 7 is arranged between the torque adjustment head 4 and the electric screwdriver body 1, and both the installation cylinder 7 and the limiting cover 10 are of transparent structures, facilitating the observation of the gears of the torque adjustment head 4.

[0024] In this embodiment, the shape of the clamping plate 8 is arc-shaped, rubber bumps are arranged on the inner wall of the clamping plate 8, the adjusting screw 9 is installed on the outer wall of the clamping plate 8 with limited rotation, and the adjusting screw 9 is screwed and installed inside the top and bottom ends of the installation cylinder 7. By rotating the adjusting screw 9, the clamping plate 8 can be adjusted to make the clamping plates 8 approach each other and clamp on the electric screwdriver body 1, facilitating the installation of the device.

[0025] In this embodiment, the sliding grooves 11 are symmetrically formed inside the inner walls on the front and rear sides of the limiting cover 10. The sliders 12 are installed in the sliding grooves 11 in a limited sliding manner. The sliders 12 are symmetrically and fixedly arranged on the outer walls on the front and rear sides of the installation cylinder 7. Strong magnets 13 are fixedly arranged inside the sliders 12 and inside the sliding grooves 11. A through hole is formed at one end of the limiting cover 10. The torque adjusting head 4 is arranged inside the limiting cover 10 and the through hole. The torque adjusting head 4 is in close contact with the inner wall of the through hole. The sliders 12 slide inside the sliding grooves 11, so that the sliding grooves 11 can limit the sliders 12, facilitating the movement and adjustment of the limiting cover 10 on the outside of the installation cylinder 7. The arranged strong magnets 13 can magnetically fix the limiting cover 10, facilitating the arrangement of the limiting cover 10 on the outside of the torque adjusting head 4 and preventing misoperation of the torque of the electric screwdriver body 1.

[0026] When using this electric screwdriver torque locking device, the model of the electric screwdriver body 1 is SKD-BE517PF. The device is installed at the front end of the electric screwdriver body 1 through the installation cylinder 7. The limiting cover 10 moves to the rightmost end, and the sliders 12 slide inside the sliding grooves 11, so that the adjusting screw 9 on the installation cylinder 7 is exposed. The installation cylinder 7 is moved between the front end of the electric screwdriver body 1 and the torque adjusting head 4. Tools such as a screwdriver are used to rotate the adjusting screw 9. The adjusting screw 9 drives the clamping plate 8 to move inside the installation cylinder 7 by screwing. The clamping plate 8 approaches the electric screwdriver body 1 and presses it, so that the device is fixed on the electric screwdriver body 1. Move the limiting cover 10 to the left. The limiting cover 10 can block the outside of the adjusting screw 9, and the limiting cover 10 slides outside the torque adjusting head 4 through the through hole. The limiting mechanism such as the arranged sliding grooves 11 and sliders 12 can limit the limiting cover 10, and the limiting cover 10 is fixed by the magnetic attraction of the strong magnets 13. Blocking the limiting cover 10 outside the torque adjusting head 4 can effectively prevent torque misoperation. When the torque needs to be adjusted, move the limiting cover 10 to the left to expose one end of the torque adjusting head 4 and rotate the torque adjusting head 4, facilitating the adjustment of the torque of the electric screwdriver body 1. There is no need to disassemble the device, and the operation is simple and convenient. Moreover, the limiting cover 10 is of a transparent structure, facilitating the observation of the torque gears, and has high practicability.

[0027] In addition, it should be understood that although this specification is described according to embodiments, not each embodiment only contains an independent technical solution. This narrative way of the specification is only for clarity. Those skilled in the art should regard the specification as a whole, and the technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

Claims

1. An electric screwdriver torque locking device, comprising an electric screwdriver body (1), characterized in that: A torque adjustment head (4) is movably arranged at the right end of the electric screwdriver body (1). A locking mechanism (6) is arranged on the outer sides of one end of the electric screwdriver body (1) and the torque adjustment head (4). The locking mechanism (6) includes a mounting cylinder (7) and a limiting cover (10). At the top and bottom of the inner side of the mounting cylinder (7), clamping plates (8) are symmetrically arranged through adjusting screws (9). The limiting cover (10) is movably arranged on the outer side of the mounting cylinder (7) through a limiting mechanism. The limiting mechanism includes a sliding groove (11) and a sliding block (12).

2. The electric screwdriver torque locking device according to claim 1, wherein: A bit mounting position (5) is arranged at one end of the torque adjustment head (4). A cable (3) is fixedly arranged at the right end of the electric screwdriver body (1). A reset button (2) is arranged at the top of the left end of the electric screwdriver body (1).

3. The electric screwdriver torque locking device according to claim 1, wherein: Both the mounting cylinder (7) and the limiting cover (10) are made of transparent acrylic products. The mounting cylinder (7) is arranged between the torque adjustment head (4) and the electric screwdriver body (1).

4. A power screwdriver torque locking device according to claim 1, characterized in that: The shape of the clamping plate (8) is arc-shaped. Rubber bumps are arranged on the inner wall of the clamping plate (8).

5. The electric screwdriver torque locking device according to claim 4, characterized in that: The adjusting screw (9) is rotationally mounted on the outer wall of the clamping plate (8) in a limited manner. The adjusting screw (9) is screwed and mounted inside the top and bottom ends of the mounting cylinder (7).

6. The electric screwdriver torque locking device according to claim 1, characterized in that: The sliding grooves (11) are symmetrically opened inside the inner walls on the front and rear sides of the limiting cover (10). The sliding blocks (12) are slidably mounted inside the sliding grooves (11) in a limited manner.

7. The electric screwdriver torque locking device according to claim 6, characterized in that: The sliding blocks (12) are symmetrically fixedly arranged on the front and rear outer walls of the mounting cylinder (7). Strong magnets (13) are fixedly arranged inside the sliding blocks (12) and inside the sliding grooves (11).

8. The electric screwdriver torque locking device according to claim 7, characterized in that: A through hole is opened at one end of the limiting cover (10). The torque adjustment head (4) is arranged inside the limiting cover (10) and the through hole. The torque adjustment head (4) is in close contact with the inner wall of the through hole.

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