Multipurpose screwdriver

By designing a multi-purpose screwdriver that integrates screwdriver heads of various specifications and shapes, the problem of traditional screwdrivers being limited in function and inconvenient to carry has been solved. This enables efficient handling of diverse screw needs and improves ease of operation and applicability.

CN224116071UActive Publication Date: 2026-04-14SHAO XING SAN DING GONG JU YOU XIAN GONG SI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHAO XING SAN DING GONG JU YOU XIAN GONG SI
Filing Date
2025-03-20
Publication Date
2026-04-14

AI Technical Summary

Technical Problem

Traditional screwdrivers have limited functionality, making them difficult to handle screws of various sizes and shapes. They are also inconvenient to carry and operate in confined spaces, thus affecting work efficiency.

Method used

A multi-purpose screwdriver has been designed, integrating screwdriver heads of various sizes and shapes. Through magnetic engagement and a replaceable head structure, it provides multiple head mounting positions and a retaining sleeve for storage, enhancing adaptability and convenience.

Benefits of technology

It enables a single tool to meet the needs of various screw specifications and shapes, improves ease of operation and work efficiency, reduces the number of tools to carry and clutter, and adapts to diverse maintenance and assembly operations.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of hardware, and discloses a multipurpose screwdriver which comprises a handle, the bottom of the handle is fixedly connected with a tool bit seat, a connecting groove is formed in the bottom of the tool bit seat, the inner wall of the connecting groove is in a regular hexagon shape, a tool bit is inserted into the output end of the bottom of the tool bit seat, and a fixing head is arranged at the bottom of the inner wall of the tool bit and matched with the inner wall of the connecting groove in an inserted mode. According to the multipurpose screwdriver, due to the fact that the regular hexagonal connecting groove is in frictional contact with the inner wall of the screwdriver head and the magnet is in magnetic fit with the fixing head, quick replacement and stable connection of the screwdriver head are achieved, a user can easily replace the screwdriver heads of different specifications, and the practicability is high. According to the screwdriver, it is ensured that the tool bits cannot fall off in the using process, the using reliability and safety of the screwdriver are improved, the replacing process is greatly simplified, the working efficiency is improved, meanwhile, the multi-shape tool bits are contained in the handle, fixing is achieved through cooperation of the top cap and the limiting sleeve, and using is more diversified and more practical.
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Description

Technical Field

[0001] This utility model relates to the field of hardware technology, specifically a multi-purpose screwdriver. Background Technology

[0002] Screwdrivers, as indispensable hand tools in mechanical repair, assembly work, and everyday household maintenance, primarily function to tighten or loosen screws by engaging with the screw slot. With the rapid development of modern industrial technology and people's increasing demands for quality of life, the application scenarios for screwdrivers are becoming increasingly diversified, placing higher demands on their functionality, convenience, and adaptability. In daily work, we often need to deal with screws of different sizes and shapes, and traditional single-function screwdrivers can no longer meet this diverse need. Therefore, the market urgently needs a multi-purpose screwdriver that can handle various screw sizes and shapes, is easy to operate, and is portable, in order to improve work efficiency, reduce the number of tools carried, and meet the diverse needs of modern repair and assembly work.

[0003] While traditional screwdrivers meet basic screw tightening and loosening needs to a certain extent, their shortcomings are becoming increasingly apparent. First, traditional screwdrivers are limited in function, typically only capable of handling one or a few screw sizes, rendering them ineffective for screws with unusual shapes or dimensions, significantly restricting their application. Second, changing screw heads often requires carrying multiple screwdrivers or heads, increasing carrying burden and increasing the risk of confusion or loss during operation. Furthermore, traditional screwdrivers are inadequate for screw handling in confined spaces or complex environments, making operation inconvenient and impacting work efficiency. These drawbacks not only reduce the ease of use of screwdrivers but also increase the difficulty and cost of repair and assembly work. Therefore, developing a multi-purpose screwdriver is crucial, and to this end, we have proposed a multi-purpose screwdriver. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides a multi-purpose screwdriver that solves the aforementioned problems.

[0005] To achieve the above-mentioned objectives, this utility model provides the following technical solution: a multi-purpose screwdriver, including a handle, a screwdriver head holder fixedly connected to the bottom, a connecting groove being formed at the bottom of the screwdriver head holder, the inner wall of the connecting groove being hexagonal, a screwdriver head being inserted into the output end at the bottom of the screwdriver head holder, a fixing head being provided at the bottom of the inner wall of the screwdriver head, the fixing head being inserted into the inner wall of the connecting groove, and the inner wall of the screwdriver head being in frictional contact with the outer wall of the bottom of the screwdriver head holder.

[0006] Preferably, a magnet is provided at the top of the inner wall of the connecting groove, and the top of the fixing head is magnetically engaged with the top of the inner wall of the connecting groove.

[0007] Preferably, a second cutter head seat is fixedly connected to the outer wall of one side of the handle. The second cutter head seat is perpendicular to the output direction of the connecting groove. A second connecting groove is opened on the side of the second cutter head seat away from the handle. The inner wall of the second connecting groove is hexagonal.

[0008] Preferably, a limiting sleeve is fixedly connected to one end of the inner wall of the handle. The top of the limiting sleeve has three limiting holes that are equidistantly distributed around the center of the circle. A polygonal cutter head is inserted into the limiting hole at the top of the limiting sleeve. The bottom of the polygonal cutter head is in frictional contact with the bottom of the inner wall of the handle.

[0009] Preferably, a threaded groove is provided at one end of the top outer wall of the handle, and a top cap is threadedly connected to the outer wall of the threaded groove.

[0010] Preferably, the top of the polyhedral cutter head is located at one end of the inner wall of the top cap.

[0011] Preferably, the outer wall of the top cap has multiple sets of anti-slip grooves that are distributed in an annular pattern at equal intervals.

[0012] Compared with the prior art, this utility model provides a multi-purpose screwdriver with the following advantages:

[0013] 1. This multi-purpose screwdriver integrates screwdriver bits of various sizes and shapes, allowing users to handle various screw tightening or loosening needs with just one tool. This greatly improves work convenience and reduces the time spent frequently changing screwdrivers or searching for suitable screwdriver bits during operations. Especially in repair or assembly work, when faced with a large number of screws of different sizes and shapes, this device can quickly switch screwdriver bits, improving work efficiency and making the operation process smoother and more efficient.

[0014] 2. This multi-purpose screwdriver, with its interchangeable screwdriver bits, is compatible with various screw sizes and shapes. Whether it's common slotted or Phillips head screws, or specialized hex or star screws, this device can handle them with ease. This enhanced adaptability and versatility allows the device to be used in a wider range of fields and scenarios, meeting users' needs for multi-functional screwdrivers.

[0015] 3. This multi-purpose screwdriver features a second bit holder, providing an additional mounting position for the bit, allowing it to handle screws with varying angles. Simultaneously, the handle also houses multi-shaped bits, secured by a cap and retaining sleeve, enabling the screwdriver to handle various screw shapes without requiring additional tools. This multi-functional design significantly enhances the screwdriver's practicality and meets diverse user needs in different scenarios. Attached Figure Description

[0016] Figure 1 This is a cross-sectional view of the structure of this utility model;

[0017] Figure 2 This is an exploded view of the present invention;

[0018] Figure 3 This is a schematic diagram of the structure of this utility model.

[0019] In the diagram: 1. Handle; 2. Cutter head holder; 3. Connecting groove; 4. Cutter head; 5. Fixing head; 6. Second cutter head holder; 7. Second connecting groove; 8. Limiting sleeve; 9. Polymorph cutter head; 10. Threaded groove; 11. Top cap; 12. Anti-slip groove. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0021] Please see Figure 1-3 A multi-purpose screwdriver includes a handle 1, a screwdriver head holder 2 fixedly connected to the bottom, a connecting groove 3 at the bottom of the screwdriver head holder 2, the inner wall of the connecting groove 3 being hexagonal, a screwdriver head 4 inserted into the output end at the bottom of the screwdriver head holder 2, a fixing head 5 at the bottom of the inner wall of the screwdriver head 4, the fixing head 5 and the inner wall of the connecting groove 3 being in plug-in fit, and the inner wall of the screwdriver head 4 being in frictional contact with the outer wall of the bottom of the screwdriver head holder 2, so that the screwdriver head 4 can be stably connected to the screwdriver head holder 2, and at the same time, it is convenient to replace different specifications of screwdriver heads.

[0022] Furthermore, a magnet is provided on the top of the inner wall of the connecting groove 3, and the top of the fixing head 5 is magnetically engaged with the top of the inner wall of the connecting groove 3. This magnetic engagement enhances the connection stability between the cutter head 4 and the cutter head seat 2, preventing the cutter head from falling off during use.

[0023] Furthermore, a second blade holder 6 is fixedly connected to the outer wall of one side of the handle 1. The output direction of the second blade holder 6 is perpendicular to that of the connecting groove 3. A second connecting groove 7 is provided on the side of the second blade holder 6 away from the handle 1. The inner wall of the second connecting groove 7 is hexagonal. This design provides another mounting position for the blade, enabling the screwdriver to meet the tightening needs of screws at more different angles and improving the practicality of the screwdriver.

[0024] Furthermore, a limiting sleeve 8 is fixedly connected to one end of the inner wall of the handle 1. The top of the limiting sleeve 8 has three limiting holes that are equidistantly distributed around the center. A multi-shaped cutting head 9 is inserted into the limiting hole at the top of the limiting sleeve 8. The bottom of the multi-shaped cutting head 9 is in frictional contact with the bottom of the inner wall of the handle 1, which realizes the storage and fixation of the multi-shaped cutting head 9, so that the screwdriver can handle screws of various shapes without having to carry other tools.

[0025] Furthermore, a threaded groove 10 is provided at one end of the top outer wall of the handle 1, and a top cap 11 is threadedly connected to the outer wall of the threaded groove 10. This threaded connection design allows the top cap 11 to be firmly locked onto the handle 1, preventing the multi-shaped cutter head 9 from accidentally falling off during use.

[0026] Furthermore, the top of the multi-shaped cutter head 9 is located at one end of the inner wall of the top cap 11, ensuring that the multi-shaped cutter head 9 can be stably stored inside the handle 1 under the protection of the top cap 11, and will not cause interference during use.

[0027] Furthermore, the outer wall of the top cap 11 has multiple sets of anti-slip grooves 12 distributed in a ring at equal intervals. The anti-slip groove design increases the grip comfort during use, prevents slippage, and makes it easier and safer for users to use the screwdriver.

[0028] Instructions for use

[0029] Structural Description: 1. Handle 1: As the main body of the screwdriver, it provides space for gripping and operation, and all other parts are fixed or connected to it;

[0030] 2. Cutter head holder 2: Used to connect and fix the cutter head 4, located at the bottom of the handle 1;

[0031] 3. Connecting groove 3: It is hexagonal in shape and is used to insert and fix the cutter head 4. It is located at the bottom of the cutter head seat 2.

[0032] 4. Cutter head 4: Used to tighten or loosen screws. It is connected to the connecting slot 3 through the fixing head 5 and is located at the bottom output end of the cutter head seat 2.

[0033] 5. Fixing head 5: It is inserted into the inner wall of the connecting groove 3 to enhance the connection stability between the cutter head 4 and the cutter head seat 2. It is located at the bottom of the inner wall of the cutter head 4.

[0034] 6. Magnet: Located at the top of the inner wall of the connecting groove 3, it magnetically engages with the top of the fixing head 5 to prevent the cutter head 4 from falling off. The position is at the top of the inner wall of the connecting groove 3.

[0035] 7. Second cutter head holder 6: Provides a mounting position for another cutter head to meet the tightening requirements of screws at different angles. The position is on the outer wall of one side of the handle 1.

[0036] 8. Second connecting groove 7: It is hexagonal in shape and is used to insert and fix another cutter head. It is located on the side of the second cutter head seat 6 away from the handle 1.

[0037] 9. Limiting sleeve 8: Used to store and fix the multi-shaped cutter head 9, located at the top end of the inner wall of the handle 1;

[0038] 10. Multi-shaped cutter head 9: To handle screws of various shapes, it is stored and fixed by the limiting sleeve 8, and its position is within the limiting opening at the top of the limiting sleeve 8;

[0039] 11. Threaded groove 10: Used for threaded connection of top cap 11 to prevent poly-shaped cutter head 9 from falling off, located at one end of the top outer wall of handle 1;

[0040] 12. Top cap 11: Securely locked onto handle 1 to protect poly-shaped cutter head 9. It is located on the outer wall of threaded groove 10 and connected by thread.

[0041] 13. Anti-slip grooves 12: Increase grip comfort and prevent slippage. They are located on the outer wall of the top cap 11 and are distributed in a ring at equal intervals.

[0042] Working principle: The basic frame of the screwdriver is formed by the fixed connection between the handle 1 and the screwdriver head holder 2. The inner wall of the connecting groove 3 at the bottom of the screwdriver head holder 2 is hexagonal, which allows the screwdriver head 4 to be stably inserted into it. The fixing head 5 at the bottom of the inner wall of the screwdriver head 4 is inserted into the inner wall of the connecting groove 3, while the inner wall of the screwdriver head 4 is in frictional contact with the outer wall of the bottom of the screwdriver head holder 2. This design ensures the stability of the screwdriver head 4 after insertion and also makes the screwdriver head 4 easy to replace. Furthermore, the magnet at the top of the inner wall of the connecting groove 3 magnetically engages with the top of the fixing head 5, enhancing the connection between the screwdriver head 4 and the screwdriver head seat 2, ensuring that the screwdriver head will not fall off during use. Additionally, the second screwdriver head seat 6, fixedly connected to the outer wall of one side of the handle 1, and its second connecting groove 7, provide a mounting position for another screwdriver head. This position is perpendicular to the output direction of the connecting groove 3, allowing the screwdriver to handle screw tightening needs at more different angles. The limiting sleeve 8 at the top of the inner wall of the handle 1 and its limiting opening cooperate with the insertion of the multi-shaped screwdriver head 9, achieving the storage and fixation of the multi-shaped screwdriver head 9. The frictional contact between the bottom of the multi-shaped screwdriver head 9 and the bottom of the inner wall of the handle 1 ensures its stability when not in use. The multi-shaped screwdriver head 9 can be firmly locked inside the handle 1 through the threaded connection between the threaded groove 10 and the top cap 11. At the same time, the anti-slip groove 12 on the outer wall of the top cap 11 increases grip comfort during use and prevents slippage.

[0043] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A multi-purpose screwdriver, comprising a handle (1), characterized in that: The handle (1) is fixedly connected to the bottom of the blade holder (2). The bottom of the blade holder (2) is provided with a connecting groove (3). The inner wall of the connecting groove (3) is hexagonal. The output end of the bottom of the blade holder (2) is inserted with a blade (4). The bottom of the inner wall of the blade (4) is provided with a fixing head (5). The fixing head (5) and the inner wall of the connecting groove (3) are in a plug-in fit. The inner wall of the blade (4) and the outer wall of the bottom of the blade holder (2) are in frictional contact.

2. The multi-purpose screwdriver according to claim 1, characterized in that: The top of the inner wall of the connecting groove (3) is provided with a magnet, and the top of the fixing head (5) is magnetically engaged with the top of the inner wall of the connecting groove (3).

3. The multi-purpose screwdriver according to claim 1, characterized in that: A second cutter head seat (6) is fixedly connected to the outer wall of one side of the handle (1). The output direction of the second cutter head seat (6) is perpendicular to that of the connecting groove (3). A second connecting groove (7) is provided on the side of the second cutter head seat (6) away from the handle (1). The inner wall of the second connecting groove (7) is hexagonal.

4. A multi-purpose screwdriver according to claim 1, characterized in that: One end of the inner wall of the handle (1) is fixedly connected to a limiting sleeve (8). The top of the limiting sleeve (8) has three limiting ports that are equidistantly distributed around the center. A poly-shaped cutter head (9) is inserted into the limiting port at the top of the limiting sleeve (8). The bottom of the poly-shaped cutter head (9) is in frictional contact with the bottom of the inner wall of the handle (1).

5. A multi-purpose screwdriver according to claim 1, characterized in that: The handle (1) has a threaded groove (10) on one end of its top outer wall, and a top cap (11) is threaded onto the outer wall of the threaded groove (10).

6. A multi-purpose screwdriver according to claim 4, characterized in that: The top of the polymorphic cutter head (9) is located at one end of the inner wall of the top cap (11).

7. A multi-purpose screwdriver according to claim 5, characterized in that: The outer wall of the top cap (11) has multiple sets of anti-slip grooves (12) that are distributed in a ring at equal intervals.