Screwdriver with high adaptability

By integrating multiple screwdriver bits and designing a clever conversion mechanism, the problem of maintenance personnel having to carry multiple screwdrivers is solved, achieving efficient and convenient maintenance operations.

CN223849128UActive Publication Date: 2026-01-30SHAO XING SAN DING GONG JU YOU XIAN GONG SI
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Patent Information

Application Number
CN202520192787.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-07
Publication Date
2026-01-30
Estimated Expiration
2035-02-07

AI Technical Summary

Technical Problem

In the existing technology, maintenance personnel need to carry multiple screwdrivers to adapt to different types of screws, which increases the carrying burden and affects maintenance efficiency.

Method used

A highly adaptable screwdriver was designed, integrating various screw components such as Phillips head, hex head, flathead, and triangular heads. A conversion mechanism enables quick switching, reducing the number of tools required and improving maintenance efficiency.

Benefits of technology

This highly adaptable screwdriver can handle different types of screws, reducing the burden of carrying it and improving the convenience and efficiency of maintenance work.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223849128U_ABST
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Abstract

The utility model relates to the field of screwdrivers, and discloses a strong-adaptability screwdriver which comprises a screwdriver handle, a connecting wooden rod is fixedly installed at the bottom of the screwdriver handle, a semicircular sleeve box is fixedly connected to the bottom end of the connecting wooden rod, a rotating shaft is rotationally installed between the inner walls of the two sides of the semicircular sleeve box and close to the bottom, and a disc is arranged on the outer wall of the rotating shaft in a sleeved mode. A mounting plate is fixedly mounted on one side of the semicircular sleeve box, the device further comprises multiple screw assemblies, the multiple screw assemblies (including a cross-shaped tool bit, an inner hexagonal tool bit, a linear tool bit, a triangular tool bit and the like) are integrated, the device can adapt to different types of screws, maintenance personnel do not need to carry multiple screwdrivers, and therefore the maintenance work efficiency is greatly improved.
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Description

TECHNICAL FIELD

[0001] The utility model relates to screwdriver field, specifically is a strong adaptability screwdriver. BACKGROUND

[0002] In modern equipment, due to the improvement of functional complexity and design delicacy, often need to use multiple types of screws to fix and connect. These screws can include a variety of shapes and specifications such as a cross, a cross, a hexagonal, an internal hexagonal, a plum blossom type. In the prior art, the publication number CN205497308U discloses a multi-head screwdriver, which comprises a screwdriver rod, a handle and a plurality of heads, the head sleeve for storing a plurality of heads is arranged on the base of the handle, the head sleeve ring is provided with a plurality of sleeve holes for storing the heads, and the top end of the rod is provided with a rod hole matched with the head, and the end of the handle is provided with a crossbar for further exerting force when loosening the screw. The utility model discloses a crossbar arranged at the end of the handle, which can further exert the force in the rotation direction by opening the crossbar, so that the screw can be loosened very easily and conveniently.

[0003] The above device can further exert the force in the rotation direction by opening the crossbar, so that the screw can be loosened very easily and conveniently. However, in actual use, there are still the following defects: when the equipment needs to be repaired, the repair personnel often need to carry multiple screwdrivers to adapt to different types of screws, which not only increases the carrying burden, but also affects the efficiency of repair. Therefore, we propose a strong adaptability screwdriver. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of the prior art, the utility model provides a strong adaptability screwdriver, which solves the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a strong adaptability screwdriver, comprising a handle, a connecting wood rod is fixedly installed at the bottom of the handle, a semicircular sleeve box is fixedly connected to the bottom end of the connecting wood rod, a rotating shaft is rotatably installed between the two inner walls of the semicircular sleeve box close to the bottom, a disc is sleeved on the outer wall of the rotating shaft, an installation plate is fixedly installed on one side of the semicircular sleeve box, and the strong adaptability screwdriver further comprises:

[0006] A plurality of screw assemblies are arranged on the disc to cope with different types of screws.

[0007] Preferably, the plurality of screw assemblies comprise a cross head, an internal hexagonal head, a straight head and a triangular head, the outer wall of the disc is fixedly connected with the cross head, the internal hexagonal head, the straight head and the triangular head, and the cross head, the internal hexagonal head, the straight head and the triangular head are distributed in a cross shape.

[0008] Preferably, one end of the rotating shaft extends out of the semicircular sleeve box, and four groups of branch rods are fixedly connected to the outer wall of the rotating shaft extending out of the semicircular sleeve box near the end position.

[0009] Preferably, the bottom end of the mounting plate is fixedly connected with a sleeve, and a reset spring is fixedly arranged on the inner wall of the sleeve, and the top of the reset spring is fixedly connected with the top inner wall of the sleeve.

[0010] Preferably, a telescopic rod is slidably arranged in the sleeve, and a sleeve block is fixedly connected to the bottom of the telescopic rod.

[0011] Preferably, the bottom end of the sleeve block is slidably sleeved on the end of the branch rod.

[0012] Compared with the prior art, the strong adaptability screwdriver has the following beneficial effects:

[0013] 1. The strong adaptability screwdriver integrates various screw assemblies (including cross-shaped bit, internal hexagonal bit, straight bit and triangular bit), can cope with different types of screws, and does not need maintenance personnel to carry multiple screwdrivers, thereby greatly improving the efficiency of maintenance work.

[0014] 2. The strong adaptability screwdriver integrates multiple screw bits on one device, so that maintenance personnel only need to carry one tool to meet most maintenance needs, thereby reducing the carrying burden and making the maintenance work more convenient.

[0015] 3. The strong adaptability screwdriver has a clever conversion mechanism, which can easily switch different screw bits for operation by pushing the telescopic rod and using the rebound force of the reset spring, and the operation is simple and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the semicircular sleeve box of the utility model;

[0018] Figure 3 It is a schematic diagram of the branch rod of the utility model;

[0019] Figure 4 It is a schematic diagram of the sleeve of the utility model.

[0020] In the figure: 1, handle; 2, connecting wooden rod; 3, semicircular sleeve box; 4, rotating shaft; 5, disc; 6, cross-shaped bit; 7, internal hexagonal bit; 8, straight bit; 9, triangular bit; 10, branch rod; 11, sleeve; 12, reset spring; 13, telescopic rod; 14, sleeve block; 15, mounting plate. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] Please refer to Figures 1-4 A screwdriver with strong adaptability comprises a handle 1, a connecting wooden rod 2 is fixedly installed at the bottom of the handle 1, a semicircular sleeve box 3 is fixedly connected to the bottom end of the connecting wooden rod 2, a rotating shaft 4 is rotatably installed between the two inner walls of the semicircular sleeve box 3 near the bottom, a disc 5 is sleeved on the outer wall of the rotating shaft 4, an installation plate 15 is fixedly installed on one side of the semicircular sleeve box 3, and the screwdriver further comprises:

[0023] A plurality of screw assemblies are arranged on the disc 5 and used for coping with different types of screws.

[0024] The plurality of screw assemblies comprise a cross-shaped bit 6, an internal hexagonal bit 7, a straight bit 8 and a triangular bit 9, the cross-shaped bit 6, the internal hexagonal bit 7, the straight bit 8 and the triangular bit 9 are fixedly connected to the outer wall of the disc 5, the cross-shaped bit 6, the internal hexagonal bit 7, the straight bit 8 and the triangular bit 9 are distributed in a cross shape, one group of the cross-shaped bit 6, the internal hexagonal bit 7, the straight bit 8 and the triangular bit 9 is used to rotate the disc 5, and the cross-shaped bit 6, the internal hexagonal bit 7, the straight bit 8 and the triangular bit 9 are selected according to actual conditions, for example, when the cross-shaped bit 6 is needed to be used for operation, the disc 5 is rotated by one hundred and eighty degrees on the rotating shaft 4 by using the straight bit 8, and the four groups of branch rods 10 are synchronously rotated with the rotating shaft 4.

[0025] One end of the rotating shaft 4 extends out of the semicircular sleeve box 3, four groups of branch rods 10 are fixedly connected to the outer wall of the rotating shaft 4 near the end position extending out of the semicircular sleeve box 3, and the four groups of branch rods 10 are distributed in a cross shape.

[0026] The bottom end of the installation plate 15 is fixedly connected to a sleeve 11, a return spring 12 is fixedly arranged on the inner wall of the sleeve 11, and the top of the return spring 12 is fixedly connected to the top inner wall of the sleeve 11.

[0027] A telescopic rod 13 is slidably installed in the sleeve 11, a sleeve block 14 is fixedly connected to the bottom of the telescopic rod 13, when one of the cross-shaped bit 6, the internal hexagonal bit 7, the straight bit 8 and the triangular bit 9 needs to be used for operation, the telescopic rod 13 is pushed upward in the sleeve 11, the return spring 12 is deformed and shortened under the extrusion of the telescopic rod 13, and the bottom end of the sleeve block 14 gradually separates from one group of the branch rods 10 in the continuous sliding process of the telescopic rod 13.

[0028] The bottom end of the sleeve block 14 is slidingly sleeved at the end of the branch rod 10, the telescopic rod 13 is loosened, the telescopic rod 13 is pushed downward by the elastic force of the reset spring 12, the sleeve block 14 is inserted into the branch rod 10 when the branch rod 10 stops, the position of the disc 5 is fixed, and the operation can be performed.

[0029] Structure description: Knife handle 1: as the holding part of the whole device, it provides comfortable holding feeling and operation force;

[0030] Connecting wooden rod 2: fixed at the bottom of the knife handle 1, used for connecting the knife handle and the semicircular sleeve box, and playing a supporting and torque transmitting role;

[0031] Semicircular sleeve box 3: fixed at the bottom end of the connecting wooden rod 2, the rotating shaft 4 is rotatably installed between the two side inner walls close to the bottom, used for accommodating and protecting the internal rotating mechanism;

[0032] Rotating shaft 4: installed between the two side inner walls of the semicircular sleeve box 3, one end of which extends out of the semicircular sleeve box 3, used for driving the disc 5 and the screw assembly thereon to rotate;

[0033] Disc 5: sleeved on the outer wall of the rotating shaft 4, used for fixing and installing various screw assemblies;

[0034] Cross-shaped tool bit 6, inner hexagonal tool bit 7, straight tool bit 8 and triangular tool bit 9: respectively fixed on the outer wall of the disc 5, distributed in a cross shape, used for coping with different types of screws;

[0035] Branch rod 10: fixed at the outer wall close to the end of the rotating shaft 4 extending out of the semicircular sleeve box 3, a total of four groups, distributed in a cross shape, used for cooperating with the sleeve block 14 to fix the position of the disc 5;

[0036] Mounting plate 15: fixed on one side of the semicircular sleeve box 3, used for mounting and supporting the sleeve 11 and the internal components thereof;

[0037] Sleeve 11: fixed at the bottom end of the mounting plate 15, the inner wall of which is fixed with the reset spring 12, used for accommodating and supporting the telescopic rod 13;

[0038] Reset spring 12: fixed between the top inner wall of the sleeve 11 and the telescopic rod 13, used for providing elastic force for the reset of the telescopic rod 13;

[0039] Telescopic rod 13: slidingly installed in the inside of the sleeve 11, the bottom of which is fixed with the sleeve block 14, used for pushing the sleeve block 14 to cooperate with or separate from the branch rod 10;

[0040] Sleeve block 14: fixed at the bottom of the telescopic rod 13, the bottom end of which is slidingly sleeved at the end of the branch rod 10, used for fixing the position of the disc 5, so that the selected screw assembly can be operated.

[0041] Working principle: when one of the cross-shaped tool head 6, the internal hexagonal tool head 7, the straight tool head 8 and the triangular tool head 9 needs to be operated, the telescopic rod 13 is pushed upward in the sleeve 11, the reset spring 12 is deformed and shortened by the extrusion of the telescopic rod 13, the bottom end of the sleeve block 14 gradually separates from one group of branch rods 10 in the continuous sliding process of the telescopic rod 13, and one group of the cross-shaped tool head 6, the internal hexagonal tool head 7, the straight tool head 8 and the triangular tool head 9 is used to rotate the disc 5, the cross-shaped tool head 6, the internal hexagonal tool head 7, the straight tool head 8 and the triangular tool head 9 are selected according to the actual situation, for example, when the cross-shaped tool head 6 needs to be operated, the disc 5 is rotated by one hundred and eighty degrees on the rotating shaft 4 by using the straight tool head 8, and the four groups of branch rods 10 are synchronously rotated with the rotating shaft 4, then the telescopic rod 13 is relaxed, the telescopic rod 13 is pushed downward by the rebound force of the reset spring 12, the sleeve block 14 is inserted into the branch rod 10 when the branch rod 10 stops, the position of the disc 5 is fixed, and the operation can be performed.

[0042] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A universal screwdriver comprising a handle (1), characterized in that: The bottom of the handle (1) is fixedly provided with a connecting wooden rod (2), the bottom end of the connecting wooden rod (2) is fixedly provided with a semicircular sleeve box (3), the inner walls of the two sides of the semicircular sleeve box (3) are rotatably provided with rotating shafts (4) near the bottom, the outer wall of the rotating shaft (4) is sleeved with a disc (5), one side of the semicircular sleeve box (3) is fixedly provided with a mounting plate (15), and the mounting plate (15) is fixedly provided with a plurality of screw assemblies. A plurality of screw assemblies are arranged on the disc (5) and are used for coping with different types of screws.

2. The adaptive strong screwdriver according to claim 1, characterized in that: The plurality of screw assemblies include a cross-shaped tool bit (6), an internal hexagonal tool bit (7), a straight tool bit (8) and a triangular tool bit (9), the outer wall of the disc (5) is fixedly provided with the cross-shaped tool bit (6), the internal hexagonal tool bit (7), the straight tool bit (8) and the triangular tool bit (9), and the cross-shaped tool bit (6), the internal hexagonal tool bit (7), the straight tool bit (8) and the triangular tool bit (9) are distributed in a cross shape.

3. The adaptive strong screwdriver according to claim 1, wherein: One end of the rotating shaft (4) extends out of the semicircular sleeve box (3), the outer wall of the rotating shaft (4) extending out of the semicircular sleeve box (3) is fixedly provided with four groups of branch rods (10) near the end portion, and the four groups of branch rods (10) are distributed in a cross shape.

4. The adaptive strong screwdriver according to claim 1, wherein: The bottom end of the mounting plate (15) is fixedly provided with a sleeve (11), the inner wall of the sleeve (11) is fixedly provided with a reset spring (12), and the top of the reset spring (12) is fixedly connected with the top inner wall of the sleeve (11).

5. The adaptable strong screwdriver according to claim 4, wherein: The inside of the sleeve (11) is slidably provided with a telescopic rod (13), and the bottom of the telescopic rod (13) is fixedly provided with a sleeve block (14).

6. The adaptable strong screwdriver according to claim 5, wherein: The bottom end of the sleeve block (14) is slidably sleeved on the end portion of the branch rod (10).

Citation Information

Patent Citations

  • Multi -head screwdriver

    CN205497308U