Socket head clamping structure of socket spanner

The socket head snap-fit ​​structure using magnetic adsorption and limiting bolts solves the problem of complicated socket head replacement for socket wrenches, enabling quick replacement and stable connection, thus improving work efficiency and ease of operation.

CN223617626UActive Publication Date: 2025-12-02HANGZHOU KEPENG TOOL MFG LTD CO
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Patent Information

Application Number
CN202422987198.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-04
Publication Date
2025-12-02
Estimated Expiration
2034-12-04

AI Technical Summary

Technical Problem

The existing socket wrench is complicated and time-consuming to change socket heads of different sizes, which is prone to errors, resulting in low work efficiency and increased workload.

Method used

The design incorporates magnetic adsorption and limiting bolts, and the hexagonal block and hexagonal slot interlocking structure enables quick replacement and stable connection of the socket head; the extended handle slot and insert design increase the operating range and stability.

Benefits of technology

It enables quick replacement and stable connection of the socket head, improves work efficiency, reduces operational complexity and error rate, and enhances the convenience and safety of operation in confined spaces and at heights.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a socket head clamping structure of a socket spanner, which relates to the technical field of socket spanners and comprises a spanner handle, one end of the spanner handle is fixedly provided with a mounting block, the inner side of the mounting block is rotatably connected with a rotating rod, the surface of the rotating rod is fixedly provided with a mounting rod, and one end of the rotating rod is fixedly provided with a connecting block. By means of the sleeve head body, a worker can quickly replace sleeve head bodies of different sizes and models only through simple operation, the working efficiency is greatly improved, meanwhile, the sleeve head body can be separated from the hexagonal groove only by pulling the sleeve head body outwards, meanwhile, the magnet adsorbs the hexagonal block made of ferritic stainless steel, and the sleeve head body can be conveniently replaced. The sleeve head body is very convenient to disassemble and assemble, complex tools and operation are not needed, the stability of the sleeve head body in the using process is guaranteed through magnet attraction and the limiting bolt, the loosening possibility is reduced, and the operation reliability is improved.
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Description

Technical Field

[0001] This utility model relates to the field of socket wrench technology, and in particular to a socket wrench end locking structure. Background Technology

[0002] A socket wrench is generally called a socket. It consists of multiple sockets with hexagonal or dodecagonal holes and various accessories such as handles and extension rods. It is especially suitable for tightening bolts or nuts in very narrow or deep recesses.

[0003] Publication number CN220218245U discloses a socket wrench, comprising a first connecting rod and second connecting rods disposed at both ends of the first connecting rod. A socket is fixedly mounted at one end of each of the two second connecting rods. The wrench is characterized by having fixing components at both ends of the first connecting rod for fixing the second connecting rods to the first connecting rod, and limiting components on the outer surfaces of both sockets to prevent separation between the sockets and the nut. While this type of socket wrench allows for disassembly and smaller use, changing socket heads with this wrench typically requires multiple tools and steps. This not only increases operational complexity but also consumes a significant amount of time for each replacement step, resulting in a substantial decrease in overall work efficiency. Furthermore, the cumbersome replacement process is prone to errors or omissions, further increasing the difficulty and inconvenience of operation. Especially in work scenarios requiring frequent socket head replacements, this inefficient and complex replacement method greatly increases the workload and time cost for workers. Therefore, improvements are needed. Utility Model Content

[0004] The purpose of this utility model is to address the shortcomings of existing technologies by proposing a socket wrench end clamping structure.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a socket wrench head snap-fit ​​structure, including a wrench handle, an installation block fixedly installed at one end of the wrench handle, a rotating rod rotatably connected to the inner side of the installation block, an installation rod fixedly installed on the surface of the rotating rod, a connecting block fixedly installed at one end of the rotating rod, a limiting bolt inserted into the surface of the connecting block, an insertion hole opened on the surface of the installation block, a hexagonal groove opened at one end of the installation rod, a hexagonal block inserted into the inner wall of the hexagonal groove, a magnet fixedly installed on the inner wall of the hexagonal groove, and a socket head body fixedly installed at one end of the hexagonal block.

[0006] Preferably, the hexagonal block and the hexagonal slot are the same size, and the material of the hexagonal block is ferritic stainless steel.

[0007] Preferably, the connecting block has internal threads that engage with the limiting bolt.

[0008] Preferably, the mounting block has a "U" shaped structure.

[0009] Preferably, the surface of the wrench handle is provided with anti-slip grooves, which are arranged in a circumferential pattern. This improves the anti-slip effect of the wrench handle.

[0010] Preferably, one end of the wrench handle is provided with an extension mechanism, the extension mechanism including a slot, the slot being formed at one end of the wrench handle, a post being inserted into one end of the slot, an extension handle being fixedly installed at one end of the post, a grip being fixedly installed on the surface of the extension handle, and a rubber sheet being fixedly installed on the surface of the post. This improves versatility.

[0011] Preferably, the rubber sheet is made of natural rubber, and the grips are symmetrically distributed on the surface of the extension handle. This can improve the service life of the rubber sheet.

[0012] Compared with the prior art, the advantages and positive effects of this utility model are as follows:

[0013] 1. This utility model, through its specially designed socket head body, allows workers to quickly change socket heads of different sizes with simple operation, greatly improving work efficiency. Simultaneously, simply pulling the socket head body outwards disengages it from the hexagonal groove, while the magnet attracts the hexagonal block made of ferritic stainless steel, making the assembly and disassembly of the socket head body extremely convenient, requiring no complex tools or operations. Furthermore, the magnetic attraction and limiting bolts ensure the stability of the socket head body during use, reducing the possibility of loosening and improving operational reliability. Additionally, the socket head body can be rotated 90 degrees and limited to be perpendicular to the wrench handle, facilitating force application in various operating environments, especially when greater torque is required.

[0014] 2. This utility model effectively extends the wrench's operating range by inserting the post on the extension handle into the slot, allowing workers to easily tighten bolts and nuts in high or narrow areas. Simultaneously, the friction generated by the rubber sheet pressing against the inner wall of the slot securely fixes the extension handle to the wrench handle, preventing loosening or detachment during operation and improving operational stability and safety. Furthermore, the installation and removal of the extension handle are very simple, requiring no additional tools; simply align the post with the slot and insert it, greatly simplifying the operation and improving work efficiency. Using the handle for tightening increases the applied torque, making tightening bolts and nuts less strenuous, especially when dealing with tight or rusty bolts and nuts. Attached Figure Description

[0015] Figure 1A front view of a socket wrench end snap-fit ​​structure is provided for this utility model;

[0016] Figure 2 A side view of a socket wrench end snap-fit ​​structure proposed in this utility model;

[0017] Figure 3 This utility model proposes a sleeve wrench sleeve head snap-fit ​​structure. Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 An exploded view of a sleeve wrench sleeve head snap-fit ​​structure is provided for this utility model;

[0019] Figure 5 This utility model proposes a sleeve wrench sleeve head snap-fit ​​structure. Figure 4 Enlarged view of section B in the middle.

[0020] Legend:

[0021] 1. Wrench handle; 2. Mounting block; 3. Rotating rod; 4. Mounting rod; 5. Connecting block; 6. Limit bolt; 7. Insertion hole; 8. Hexagonal slot; 9. Hexagonal block; 10. Magnet; 11. Socket head body; 12. Anti-slip groove; 13. Slot; 14. Insert post; 15. Extension handle; 16. Grip bar; 17. Rubber sheet. Detailed Implementation

[0022] To better understand the above-mentioned objectives, features, and advantages of this utility model, the present utility model will be further described below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in these embodiments can be combined with each other.

[0023] Many specific details are set forth in the following description in order to provide a full understanding of the present invention. However, the present invention may also be implemented in other ways different from those described herein. Therefore, the present invention is not limited to the specific embodiments disclosed in the following specification.

[0024] Example 1

[0025] Please see Figure 1-5This utility model provides a technical solution: a socket wrench end snap-fit ​​structure, including a wrench handle 1. The surface of the wrench handle 1 has anti-slip grooves 12 arranged in a circumferential pattern, which increases friction during use and effectively prevents slippage. The anti-slip grooves 12 can be manufactured by injection molding or machining. Injection molding ensures the uniformity and consistency of the anti-slip grooves 12, while machining allows for precise control of their size and position. A mounting block 2 is fixedly installed at one end of the wrench handle 1. The mounting block 2 has a "U"-shaped structure and is fixed to the wrench handle 1 by welding or bolting. Welding provides high strength and permanence, while bolting facilitates disassembly and maintenance. A rotating rod 3 is rotatably connected to the inner side of the mounting block 2. The rotating rod 3 can be connected by rolling bearings or sliding bearings. Rolling bearings reduce friction and improve rotation efficiency, while sliding bearings have the advantages of simple structure and low cost. A mounting rod 4 is fixedly installed on the surface of the rotating rod 3. The mounting rod 4 can be fixed to the rotating rod 3 by interference fit or keyway connection. Interference fit provides a high-strength connection, while keyway connection facilitates disassembly and adjustment. A connecting block 5 is fixedly installed at one end of the rotating rod 3. The connecting block 5 can be fixed to the rotating rod 3 by threaded connection or welding. Threaded connection facilitates disassembly and maintenance, while welding connection has high strength and stability.

[0026] Please see Figure 1-5 The connecting block 5 has a limiting bolt 6 inserted into its surface. The limiting bolt 6 is made of stainless steel, which is corrosion-resistant and has high strength. The connecting block 5 has internal threads that engage with the limiting bolt 6, ensuring that the limiting bolt 6 is securely fixed to the connecting block 5. The mounting block 2 has a hole 7 on its surface. The hole 7 can be made by drilling or stamping to ensure precise dimensions and easy insertion of the limiting bolt 6. One end of the mounting rod 4 has a hexagonal groove 8. A hexagonal block 9 is inserted into the inner wall of the hexagonal groove 8. The hexagonal block 9 is the same size as the hexagonal groove 8 and is made of ferritic stainless steel, which is high in hardness and corrosion-resistant. A magnet 10 is fixedly installed in the inner wall of the hexagonal groove 8. The magnet 10 is fixed in the hexagonal groove 8 by adhesive or embedded installation. Adhesive installation provides good bonding strength, while embedded installation ensures the positioning accuracy and stability of the magnet 10. The magnetic force of the magnet 10 ensures that the hexagonal block 9 is firmly fixed after being inserted into the hexagonal groove 8, preventing loosening. A sleeve head body 11 is fixedly installed on one end of the hexagonal block 9. The sleeve head body 11 is fixed to the hexagonal block 9 by welding or threaded connection. Welding connection can provide high strength and permanence, while threaded connection is convenient for disassembly and replacement.

[0027] Example 2

[0028] Please see Figure 4-5The wrench handle 1 has an extension mechanism at one end, including a slot 13. The slot 13 is located at one end of the wrench handle 1 and can be manufactured by milling or forming to ensure precise dimensions and facilitate insertion of the insertion post 14. The insertion post 14 is inserted into one end of the slot 13, and an extension handle 15 is fixedly mounted to the other end of the insertion post 14. The extension handle 15 can be fixed to the insertion post 14 via a threaded connection or a snap-fit ​​connection. Threaded connections facilitate disassembly and adjustment, while snap-fit ​​connections allow for quick installation and disassembly. A grip 16 is fixedly mounted on the surface of the extension handle 15, symmetrically distributed across its surface. The grip 16 can be fixed to the extension handle 15 via bolts or rivets to ensure its stability and reliability. A rubber sheet 17 is fixedly mounted on the surface of the insertion post 14. The rubber sheet 17 is made of natural rubber, which has good elasticity and wear resistance. The rubber sheet 17 is fixed to the insert 14 by adhesive or snap-fit. Adhesive bonding provides good bonding strength, while snap-fit ​​facilitates replacement and maintenance. The rubber sheet 17 can make close contact with the inner wall of the slot 13, generating sufficient friction to fix the extension handle 15, ensuring that the extension handle 15 will not loosen or fall off during operation.

[0029] Working principle: The socket head body 11 can be used to tighten bolts or nuts. Simultaneously, the operator only needs to pull the socket head body 11 outwards to disengage the hexagonal block 9 from the hexagonal slot 8, thus removing the socket head body 11. When engaging the socket head body 11, simply align the hexagonal block 9 with the hexagonal slot 8 and insert it. The magnet 10 then attracts the ferrite stainless steel hexagonal block 9, thus limiting the socket head body 11 and completing its installation. This allows for easy replacement of socket head bodies 11 of different sizes. The operator can also unscrew the limiting bolt 6 and then rotate the socket head body 11 90 degrees. The main body 11 can then drive the mounting rod 4 to rotate. The mounting rod 4 then rotates via the rotating rod 3. After rotating 90 degrees, the limiting bolt 6 is screwed into the connecting block 5 and inserted into the insertion hole 7 to limit the angle of the socket head body 11. This allows the socket head body 11 to be adjusted to a 90-degree perpendicular position to the wrench handle 1, facilitating the application of force. The horizontal angle between the wrench handle 1 and the socket head body 11 facilitates operation in confined spaces. With the socket head body 11 designed in this invention, workers can quickly change socket head bodies 11 of different sizes with simple operation, greatly improving work efficiency. Simultaneously, simply pulling the socket head body 11 outwards disengages it from the hexagonal groove 8, while the magnet 10 attracts the ferritic stainless steel hexagonal block 9, making... The socket head body 11 is easy to assemble and disassemble, requiring no complicated tools or operations. The magnet 10 and the limiting bolt 6 ensure the stability of the socket head body 11 during use, reducing the possibility of loosening and improving operational reliability. The socket head body 11 can also be rotated 90 degrees and limited to be perpendicular to the wrench handle 1, facilitating force application in various operating environments, especially when higher torque is required. In confined spaces or when tightening bolts and nuts at height, the operator can insert the post 14 on the extension handle 15 into the slot 13. After the post 14 is inserted, the rubber sheet 17 abuts against the inner wall of the slot 13, and the resulting friction secures the extension handle 15 to the wrench handle 1. Then, the operator... Operators can use the handle 16 to tighten the bolts. This invention extends the wrench's operating range by inserting the post 14 on the extension handle 15 into the slot 13, allowing operators to easily tighten bolts and nuts in high or narrow areas. Simultaneously, the rubber sheet 17 abuts against the inner wall of the slot 13, generating friction that firmly secures the extension handle 15 to the wrench handle 1, preventing loosening or detachment during operation and improving operational stability and safety. Furthermore, the installation and removal of the extension handle 15 are very simple, requiring no additional tools; simply align the post 14 with the slot 13 and insert it, greatly simplifying the operation and improving work efficiency. Using the handle 16 to tighten the bolts increases the applied torque, making tightening bolts and nuts more effortless.This is especially noticeable when dealing with tight or rusty bolts and nuts.

[0030] The above description is merely a preferred embodiment of the present utility model and is not intended to limit the present utility model in any other way. Any person skilled in the art may make changes or modifications to the above-disclosed technical content to create equivalent embodiments for application in other fields. However, any simple modifications, equivalent changes, and modifications made to the above embodiments based on the technical essence of the present utility model without departing from the technical solution of the present utility model shall still fall within the protection scope of the technical solution of the present utility model.

Claims

1. A socket wrench end snap-fit ​​structure, comprising a wrench handle (1), characterized in that: One end of the wrench handle (1) is fixedly mounted with an installation block (2). The inner side of the installation block (2) is rotatably connected with a rotating rod (3). An installation rod (4) is fixedly mounted on the surface of the rotating rod (3). A connecting block (5) is fixedly mounted on one end of the rotating rod (3). A limiting bolt (6) is inserted into the surface of the connecting block (5). An insertion hole (7) is opened on the surface of the installation block (2). A hexagonal groove (8) is opened on one end of the installation rod (4). A hexagonal block (9) is inserted into the inner wall of the hexagonal groove (8). A magnet (10) is fixedly mounted on the inner wall of the hexagonal groove (8). A socket head body (11) is fixedly mounted on one end of the hexagonal block (9).

2. The socket wrench end snap-fit ​​structure according to claim 1, characterized in that: The hexagonal block (9) is the same size as the hexagonal slot (8), and the material of the hexagonal block (9) is ferritic stainless steel.

3. The socket wrench end snap-fit ​​structure according to claim 1, characterized in that: The connecting block (5) has internal threads, which engage with the limiting bolt (6).

4. The socket wrench end snap-fit ​​structure according to claim 1, characterized in that: The mounting block (2) has a "U" shaped structure.

5. The socket wrench end snap-fit ​​structure according to claim 1, characterized in that: The surface of the wrench handle (1) is provided with anti-slip grooves (12), which are arranged in a circular pattern on the surface of the wrench handle (1).

6. The socket wrench end snap-fit ​​structure according to claim 1, characterized in that: An extension mechanism is provided at one end of the wrench handle (1). The extension mechanism includes a slot (13). The slot (13) is opened at one end of the wrench handle (1). A post (14) is inserted into one end of the slot (13). An extension handle (15) is fixedly installed at one end of the post (14). A grip (16) is fixedly installed on the surface of the extension handle (15). A rubber sheet (17) is fixedly installed on the surface of the post (14).

7. The socket wrench end snap-fit ​​structure according to claim 6, characterized in that: The rubber sheet (17) is made of natural rubber, and the grip (16) is symmetrically distributed on the surface of the extension handle (15).

Citation Information

Patent Citations

  • Socket wrench

    CN220218245U