Self-rotating screwdriver handle

By designing the disassembly mechanism in the rotating driver handle, including a rotating shaft, rotating table, moving groove, round rod and inserting rod, the problem of troubles in the assembly or disassembly of the existing handle in the tool head is solved, and the tool head is conveniently disassembled and installed, improving the operation convenience and practicality of the equipment are improved.

CN222768287UActive Publication Date: 2025-04-18SUZHOU GEMMED MEDICAL INSTR
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421493223.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-06-27
Publication Date
2025-04-18
Estimated Expiration
2034-06-27

AI Technical Summary

Technical Problem

The existing rotating driver handle is troublesome when assembling or disassembling the tool head, and the handle needs to be removed, which affects the work process.

Method used

A self-rotation driver handle is designed, adopting a disassembly mechanism, including a rotating shaft, a rotating table, a moving groove, a round rod and a plug rod. The rotating shaft drives the rotating table and a moving groove to rotate, so that the round rod and a plug rod are moved in the cavity of the moving groove, achieving convenient disassembly and installation of the tool head.

Benefits of technology

It realizes convenient replacement of tool heads without disassembling the handle, improving operational convenience and practicality of the equipment.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222768287U_ABST
    Figure CN222768287U_ABST
Patent Text Reader

Abstract

The utility model provides a self-rotation type screwdriver handle which comprises a handle body and a tool head body, a dismounting mechanism is arranged in an inner cavity of the tool head body, the dismounting mechanism comprises a rotating shaft and a moving block, and the bottom of the rotating shaft is rotationally connected with a rotating table. When the tool head body needs to be mounted, the rotating table and the moving groove are rotated to drive the rotating table and the moving groove to rotate, so that the round rod moves in an inner cavity of the moving groove, the inserting rod is driven to move towards the outer side, the inserting rod is separated from an inner cavity of the inserting hole, and dismounting of the tool head body is completed; and when the handle body is replaced, the inserting rod is driven to move towards the inner side, so that the inserting rod is inserted and fixed into the inserting hole, installation of the tool head body is completed, replacement of the tool head body can be completed without the handle body, use is convenient, and the practicability of equipment is improved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to a self-rotating screwdriver handle and belongs to the technical field of self-rotating screwdrivers. Background Art

[0002] A self-screwdriver is a common tool, mainly used to tighten or loosen screws, bolts and other fasteners. It can play an important role in different fields. For example, in mechanical assembly, electronic assembly, construction engineering, automobile maintenance and other fields, the self-screwdriver can be manually operated or electric, and plays an indispensable role in modern production and life.

[0003] The self-rotating screwdriver is an indispensable tool in our daily life and work. In daily life, screws often become loose, and a self-rotating screwdriver is needed to tighten or loosen them. The handle of the existing self-rotating screwdriver is usually connected to the tool head. After long-term use, the tool head will inevitably be worn, deformed or even damaged, and it needs to be replaced. At present, there are screwdriver handles that can replace the tool head on the market. However, the existing screwdriver handles are troublesome to operate when assembling or disassembling the tool head. The handle may need to be disassembled, which is not convenient for replacing the tool head, affecting the subsequent work process.

[0004] For this reason, a self-rotating screwdriver handle is proposed. Utility Model Content

[0005] In view of this, the utility model provides a self-rotating screwdriver handle to solve or alleviate the technical problems existing in the prior art and at least provide a beneficial choice.

[0006] The technical solution of the utility model is implemented as follows: a self-rotating screwdriver handle comprises a handle body and a tool head body, a disassembly mechanism is arranged in the inner cavity of the tool head body, the disassembly mechanism comprises a rotating shaft and a moving block, the bottom of the rotating shaft is rotatably connected with a rotating table, the rotating table is movably connected to the top of the inner cavity of the handle body through a bearing, the bottom of the rotating table is provided with a moving groove, the bottoms of the four moving blocks are fixedly connected with round rods, the outer sides of the four round rods are slidably connected to the inner cavities of the four moving grooves, the inner sides of the four moving blocks are fixedly connected with insertion rods, the outer surface of the tool head body is provided with insertion holes all around, and the inner sides of the four insertion rods are clamped in the inner cavities of the four insertion holes.

[0007] Further preferably, the bottoms of the four moving blocks are fixedly connected with connecting rods, and the inner sides of the four connecting rods are fixedly connected with clamping blocks.

[0008] Further preferably, the outer sides of the four moving blocks are fixedly connected with sliding blocks, the bottom of the inner cavity of the handle body is fixedly connected with sliding tables on all four sides, and the outer sides of the four sliding blocks are slidably connected to the inner sides of the four sliding tables.

[0009] Further preferably, an insert block is fixedly connected to the top of the tool head body, a slot is provided at the middle end of the bottom of the movable groove, and the top of the insert block is snap-fitted into the inner cavity of the slot.

[0010] Further preferably, a through hole is formed at the bottom of the handle body, and a sealing ring is fixedly connected to the inner wall of the through hole.

[0011] Further preferably, a knob is fixedly connected to the top of the rotating shaft, and a groove is formed on the outer surface of the knob.

[0012] Further preferably, friction pads are fixedly connected to the inner sides of the four clamping blocks, and the friction pads are made of rubber.

[0013] Further preferably, an annular plate is fixedly connected to the front side of the top of the handle body, and direction identification blocks are fixedly connected to both ends of the annular plate.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical solution:

[0015] 1. The utility model provides a disassembly mechanism. When the tool head body needs to be disassembled, the rotating table and the movable groove are driven to rotate by the rotating shaft, so that the round rod moves in the inner cavity of the movable groove, and the insertion rod is driven to move outward, so that the insertion rod is separated from the inner cavity of the socket, and the disassembly of the tool head body is completed. When the tool head body needs to be installed, the rotating table and the movable groove are driven to move the round rod in the inner cavity of the movable groove by rotation, and the insertion rod is driven to move inward, so that the insertion rod is plugged and fixed to the socket, and the installation of the tool head body is completed. The tool head body can be replaced without the handle body. It is easy to use and improves the practicality of the equipment.

[0016] 2. The utility model provides a connecting rod and a clamping block, and the tool head body is clamped and fixed at the same time during the process of plugging and fixing the plug rod to the plug hole, thereby improving the stability during the working process; by providing a slide and, the stability of the moving block during movement can be improved; by providing a slot and an inserting block, the tool head body can be initially fixed, thereby improving the stability of the tool head body during installation; by providing a sealing ring, the friction of the inner wall of the sealing ring can be increased; by providing a knob and a groove, the rotating shaft can be rotated by the knob to play a transmission role, and the friction of the knob surface can be increased by the groove during rotation to avoid slipping of the hand when turning the knob; by providing a friction gasket, the friction of the inner wall of the clamping block can be increased, so that the clamping block can be more firmly clamped to the tool head body; by providing a direction identification block, the direction of the knob can be conveniently reminded; rotating in the clockwise direction is for disassembling the tool head body, and rotating in the counterclockwise direction is for installing the tool head body.

[0017] The above summary is for the purpose of description only and is not intended to be limiting in any way. In addition to the illustrative aspects, embodiments and features described above, further aspects, embodiments and features of the utility model will be readily apparent by reference to the accompanying drawings and the following detailed description. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0019] Figure 1 It is a three-dimensional front view structural schematic diagram of the utility model;

[0020] Figure 2 It is a schematic diagram of the top structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the bottom structure of the utility model;

[0022] Figure 4 This is a schematic diagram of the cross-sectional structure of the handle body of the utility model;

[0023] Figure 5 This is a schematic diagram of the structure of the tool head of the utility model in a disassembled state;

[0024] Figure 6 It is a schematic diagram of the disassembly mechanism structure of the utility model.

[0025] Figure numerals: 1. handle body; 2. disassembly mechanism; 201. rotating shaft; 202. rotating table; 203. moving groove; 204. moving block; 205. round rod; 206. plug rod; 207. plug hole; 208. connecting rod; 209. clamping block; 210. slider; 211. slide table; 3. tool head body; 4. slot; 5. plug block; 6. through hole; 7. sealing ring; 8. knob; 9. groove; 10. friction gasket; 11. annular plate; 12. direction identification block. DETAILED DESCRIPTION

[0026] In the following, only some exemplary embodiments are briefly described. As those skilled in the art will appreciate, the described embodiments may be modified in various ways without departing from the spirit or scope of the present invention. Therefore, the drawings and descriptions are considered to be exemplary and non-restrictive in nature.

[0027] The embodiments of the present utility model are described in detail below with reference to the accompanying drawings.

[0028] Example 1

[0029] like Figure 1-5 As shown, an embodiment of the utility model provides a self-rotating screwdriver handle, including a handle body 1 and a tool head body 3, a disassembly mechanism 2 is arranged in the inner cavity of the tool head body 3, the disassembly mechanism 2 includes a rotating shaft 201 and a moving block 204, the bottom of the rotating shaft 201 is rotatably connected with a rotating table 202, the rotating table 202 is movably connected to the top of the inner cavity of the handle body 1 through a bearing, the bottom of the rotating table 202 is provided with a moving groove 203, the bottom of the four moving blocks 204 are fixedly connected with a round rod 205, the outer sides of the four round rods 205 are slidably connected to the inner cavity of the four moving grooves 203, the inner sides of the four moving blocks 204 are fixedly connected with an insertion rod 206, and the outer surface of the tool head body 3 is provided with a socket 207, and the inner sides of the four insertion rods 206 are clamped in the inner cavity of the four sockets 207.

[0030] By setting up the disassembly mechanism 2, when the tool head body 3 needs to be disassembled, the rotating table 202 and the movable groove 203 are driven to rotate by the rotating shaft 201, so that the round rod 205 moves in the inner cavity of the movable groove 203, and the insertion rod 206 is driven to move outward, so that the insertion rod 206 is separated from the inner cavity of the socket 207, and the disassembly of the tool head body 3 is completed. When the tool head body 3 needs to be installed, the rotating table 202 and the movable groove 203 are driven to rotate to move the round rod 205 in the inner cavity of the movable groove 203, and the insertion rod 206 is driven to move inward, so that the insertion rod 206 is plugged and fixed to the socket 207, and the installation of the tool head body 3 is completed. The tool head body 3 can be replaced without the handle body 1. It is convenient to use and improves the practicality of the equipment.

[0031] Example 2

[0032] In one embodiment, the bottom of the four moving blocks 204 is fixedly connected with a connecting rod 208, the inner side of the four connecting rods 208 is fixedly connected with a clamping block 209, the outer side of the four moving blocks 204 is fixedly connected with a slider 210, the bottom of the inner cavity of the handle body 1 is fixedly connected with a slide 211 all around, the outer sides of the four sliders 210 are slidably connected to the inner sides of the four slides 211, the top of the tool head body 3 is fixedly connected with an insert block 5, the middle end of the bottom of the moving groove 203 is provided with a slot 4, the top of the insert block 5 is snapped into the inner cavity of the slot 4, the bottom of the handle body 1 is provided with a through hole 6, the inner wall of the through hole 6 is fixedly connected with a sealing ring 7, the top of the rotating shaft 201 is fixedly connected with a knob 8, the outer surface of the knob 8 is provided with a groove 9, the inner side of the four clamping blocks 209 is fixedly connected with a friction gasket 10, the material of the friction gasket 10 is rubber, the front side of the top of the handle body 1 is fixedly connected with an annular plate 11, and the two ends of the annular plate 11 are fixedly connected with direction identification blocks 12.

[0033] By providing the connecting rod 208 and the clamping block 209, the tool head body 3 is clamped and fixed at the same time when the insertion rod 206 is plugged and fixed to the insertion hole 207, so as to improve the stability during the working process. By providing the slides 211 and 212, the stability of the moving block 204 during the movement can be improved. By providing the slot 4 and the inserting block 5, the tool head body 3 can be initially fixed to improve the stability of the tool head body 3 during installation. By providing the sealing ring 7, the friction of the inner wall of the sealing ring 7 can be improved. By providing the knob 8 and groove 9, the rotating shaft 201 can be rotated by the knob 8 to play a transmission role, and the friction force on the surface of the knob 8 can be increased by the groove 9 during rotation to prevent the hand from slipping when the knob 8 is rotated. By setting the friction gasket 10, the friction force of the inner wall of the clamping block 209 can be increased, making the clamping block 209 more secure when clamping the tool head body 3. By setting the direction identification block 12, the direction of the knob 8 can be easily reminded. Rotating it clockwise is for disassembling the tool head body 3, and rotating it counterclockwise is for installing the tool head body 3.

[0034] The utility model is in operation: when the tool head body 3 needs to be disassembled, the knob 8 is rotated clockwise to drive the rotating shaft 201 to rotate, and the rotating shaft 201 rotates to drive the rotating table 202 and the movable groove 203 to rotate, so that the round rod 205 moves in the inner cavity of the movable groove 203, drives the insertion rod 206 to move outward, so that the insertion rod 206 is separated from the inner cavity of the insertion hole 207, and drives the clamping block 209 to move outward, pulls the tool head body 3 downward, and makes the insertion block 5 on the top of the tool head body 3 separate from the inner cavity of the slot 4, completing the disassembly of the tool head body 3. When the tool head body 3 needs to be installed, the tool The head body 3 is inserted into the interior of the handle body 1 through the through hole 6, and the plug block 5 is inserted into the inner cavity of the slot 4. The knob 8 is rotated counterclockwise to drive the rotating shaft 201 to rotate. The rotation of the rotating shaft 201 drives the rotating table 202 and the movable groove 203 to rotate, so that the round rod 205 moves in the inner cavity of the movable groove 203. The rotation drives the round rod 205 to move in the inner cavity of the movable groove 203, drives the plug rod 206 to move inward, and makes the plug rod 206 plug and fix the socket 207. During the fixing process, the clamping block 209 is driven to move inward, completing the installation of the tool head body 3. It is easy to use and improves the practicality of the equipment.

[0035] The above is only a specific implementation of the utility model, but the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can easily think of various changes or substitutions within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope of the claims.

Claims

1. A self-rotating screwdriver handle, characterized in that: The tool head (204) comprises a handle body (1) and a tool head body (3). A disassembly mechanism (2) is arranged in the inner cavity of the tool head body (3). The disassembly mechanism (2) comprises a rotating shaft (201) and a moving block (204). The bottom of the rotating shaft (201) is rotatably connected to a rotating table (202). The rotating table (202) is movably connected to the top of the inner cavity of the handle body (1) via a bearing. The bottom of the rotating table (202) is provided with a moving groove (203). The bottoms of four moving blocks (204) are fixedly connected to round rods (205). The outer sides of the four round rods (205) are slidably connected to the inner cavities of the four moving grooves (203). The inner sides of the four moving blocks (204) are fixedly connected to insertion rods (206). The outer surface of the tool head body (3) is provided with insertion holes (207) all around. The inner sides of the four insertion rods (206) are clamped in the inner cavities of the four insertion holes (207).

2. The self-rotating screwdriver handle according to claim 1, characterized in that: The bottoms of the four moving blocks (204) are fixedly connected to connecting rods (208), and the inner sides of the four connecting rods (208) are fixedly connected to clamping blocks (209).

3. The self-rotating screwdriver handle according to claim 1, characterized in that: The outer sides of the four moving blocks (204) are fixedly connected with sliding blocks (210), the four sides of the bottom of the inner cavity of the handle body (1) are fixedly connected with sliding tables (211), and the outer sides of the four sliding blocks (210) are slidably connected to the inner sides of the four sliding tables (211).

4. The self-rotating screwdriver handle according to claim 1, characterized in that: An insert block (5) is fixedly connected to the top of the tool head body (3), a slot (4) is provided at the middle end of the bottom of the movable groove (203), and the top of the insert block (5) is snap-fitted into the inner cavity of the slot (4).

5. The self-rotating screwdriver handle according to claim 1, characterized in that: A through hole (6) is provided at the bottom of the handle body (1), and a sealing ring (7) is fixedly connected to the inner wall of the through hole (6).

6. The self-rotating screwdriver handle according to claim 1, characterized in that: A knob (8) is fixedly connected to the top of the rotating shaft (201), and a groove (9) is formed on the outer surface of the knob (8).

7. The self-rotating screwdriver handle according to claim 2, characterized in that: The inner sides of the four clamping blocks (209) are fixedly connected with friction pads (10), and the material of the friction pads (10) is rubber.

8. The self-rotating screwdriver handle according to claim 1, characterized in that: An annular plate (11) is fixedly connected to the front side of the top of the handle body (1), and direction marking blocks (12) are fixedly connected to both ends of the annular plate (11).