Wrench connector suitable for special-shaped nut

Through the modularly designed wrench joint and special-shaped sleeve combination, the problem of difficult to disassemble and install special-shaped nuts in traditional wrenches is solved, and efficient and multi-scene adaptable special-shaped nut operations are achieved.

CN223084670UActive Publication Date: 2025-07-11THREE GORGES JINSHAJIANG CHUANYUN HYDROPOWER DEV CO LTD
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Patent Information

Application Number
CN202422324680.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-24
Publication Date
2025-07-11
Estimated Expiration
2034-09-24

AI Technical Summary

Technical Problem

传统扳手难以高效拆卸和安装异形螺母,且在需要同时使用异形和普通螺母时不便携带。

Method used

A wrench joint suitable for special-shaped nuts is designed. Through the combination of modular adapter and special-shaped sleeve, the disassembly and installation of special-shaped nuts of different sizes and shapes is realized, and a handle is equipped for easy operation.

Benefits of technology

It realizes efficient disassembly and installation of special-shaped nuts, adapts to multiple scenarios, and can be screwed in any direction, improving operating efficiency and portability.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223084670U_ABST
    Figure CN223084670U_ABST
Patent Text Reader

Abstract

The utility model belongs to the technical field of wrenches, and particularly relates to a wrench connector suitable for a special-shaped nut. According to the technical scheme, the wrench connector suitable for the special-shaped nut comprises a conversion connector, an inner ring of the conversion connector is detachably connected with a special-shaped sleeve opening, an inner ring of the special-shaped sleeve opening is provided with a special-shaped structure, and the special-shaped structure is buckled with a special-shaped fastener on the special-shaped nut. The utility model provides a wrench joint suitable for special-shaped nuts. The wrench joint can be used for dismounting or mounting special-shaped nuts with different sizes.
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Description

Technical Field

[0001] The utility model belongs to the technical field of wrenches, and particularly relates to a wrench joint applicable to special-shaped nuts. Background Art

[0002] In the fields of industry and machinery, special-shaped nuts have been widely used due to their special shapes, performances, and usage methods. However, due to their non-standard shapes, it is often difficult and inefficient to use traditional wrenches for tightening or disassembling operations. At the same time, because special-shaped nut wrenches have their special usage environments, it is usually necessary to use special-shaped nut wrenches and ordinary nut wrenches simultaneously during work, which is inconvenient to carry on-site. Content of the Utility Model

[0003] In order to solve the above problems existing in the prior art, the purpose of the utility model is to provide a wrench joint applicable to special-shaped nuts for disassembling or installing special-shaped nuts of different sizes.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A wrench joint applicable to special-shaped nuts includes a conversion joint. An inner ring of the conversion joint is detachably connected with a special-shaped socket. An inner ring of the special-shaped socket is provided with a special-shaped structure, and the special-shaped structure is buckled with a special-shaped fastener on the special-shaped nut.

[0006] For the wrench joint applicable to special-shaped nuts of the utility model, before use, the corresponding special-shaped socket is connected with the conversion joint in a matching manner to assemble the special-shaped socket and the conversion joint. The special-shaped socket is sleeved on the corresponding special-shaped nut, and then the special-shaped nut can be disassembled and installed. After use, the assembled special-shaped nut wrench can be disassembled and stored. When it is necessary to disassemble and install special-shaped nuts of different forms, according to the form of the special-shaped fastener of the special-shaped nut, the special-shaped socket with a special-shaped structure matching the special-shaped fastener is replaced, and then the work can be carried out.

[0007] The wrench joint applicable to special-shaped nuts of the utility model is designed in a modular way, so that it can be assembled in a combined manner to achieve multi-scene applications, thereby optimizing its use and adaptation shape. Through its modular form design, it can disassemble or install special-shaped nuts of different sizes, and can screw the special-shaped nuts in any direction, and finally achieve the tightening and disassembly of nuts including but not limited to polygons, ellipses, nuts with grooves or protrusions, etc.

[0008] As a preferred scheme of the utility model, a plurality of grooves are evenly distributed on an inner ring of the conversion joint, and a plurality of convex teeth are evenly distributed on an outer ring of the special-shaped socket. The plurality of grooves of the conversion joint are buckled with the plurality of convex teeth of the special-shaped socket.

[0009] Between the special-shaped sockets with different special-shaped structures, the convex teeth on the outer ring are always the same, ensuring that when replacing the special-shaped sockets with different special-shaped structures, they can all be snap-connected to the adapter. The several grooves of the adapter are snap-connected with the several convex teeth of the special-shaped socket, which can ensure the reliable connection between the adapter and the special-shaped socket and prevent the special-shaped socket from coming off the adapter when disassembling or installing the special-shaped nut.

[0010] As a preferred solution of the present utility model, notches are provided on both the adapter and the special-shaped socket, and the notches on the adapter are aligned with the notches on the special-shaped socket. Notches are provided on both the adapter and the special-shaped socket, so that both the adapter and the special-shaped socket have the ability to deform in a special shape, facilitating the smooth installation of the special-shaped socket into the adapter.

[0011] As a preferred solution of the present utility model, the special-shaped fasteners on the special-shaped nut are several square grooves, which are evenly distributed on the outer ring of the special-shaped nut; the special-shaped structure on the special-shaped socket is several square teeth, which are evenly distributed on the inner ring of the special-shaped socket; the several square grooves are snap-connected with the several square teeth one by one.

[0012] The square grooves on the special-shaped nut are snap-connected with the square teeth on the special-shaped socket one by one, which can ensure the reliable connection between the special-shaped nut and the special-shaped socket, and ensure that when the adapter is rotated, the special-shaped socket can drive the special-shaped nut to be screwed smoothly, realizing the reliable disassembly or installation of the special-shaped nut.

[0013] As a preferred solution of the present utility model, the special-shaped fasteners on the special-shaped nut are several elliptical grooves, which are evenly distributed on the outer ring of the special-shaped nut; the special-shaped structure on the special-shaped socket is several elliptical teeth, which are evenly distributed on the inner ring of the special-shaped socket; the several elliptical grooves are snap-connected with the several elliptical teeth one by one.

[0014] The elliptical grooves on the special-shaped nut are snap-connected with the elliptical teeth on the special-shaped socket one by one, which can ensure the reliable connection between the special-shaped nut and the special-shaped socket, and ensure that when the adapter is rotated, the special-shaped socket can drive the special-shaped nut to be screwed smoothly, realizing the reliable disassembly or installation of the special-shaped nut.

[0015] As a preferred solution of the present utility model, the special-shaped fasteners on the special-shaped nut are several polygonal grooves, which are evenly distributed on the outer ring of the special-shaped nut; the special-shaped structure on the special-shaped socket is several polygonal teeth, which are evenly distributed on the inner ring of the special-shaped socket; the several polygonal grooves are snap-connected with the several polygonal teeth one by one.

[0016] The polygonal grooves on the special-shaped nut are snap-connected with the polygonal teeth on the special-shaped socket one by one, which can ensure the reliable connection between the special-shaped nut and the special-shaped socket, and ensure that when the adapter is rotated, the special-shaped socket can drive the special-shaped nut to be screwed smoothly, realizing the reliable disassembly or installation of the special-shaped nut.

[0017] As a preferred solution of the utility model, a receiving handle is detachably connected to the conversion joint, and the conversion joint can be rotated by the receiving handle to achieve the purpose of labor saving.

[0018] As a preferred solution of the utility model, the conversion joint is provided with a joint protrusion, and one end of the receiving handle is provided with a joint slot, and the joint protrusion is engaged with the joint slot. The joint protrusion on the conversion joint is reliably engaged with the joint slot on the receiving handle, so as to avoid the receiving handle and the conversion joint being disengaged when the receiving handle is bent.

[0019] As a preferred solution of the utility model, the cross-sectional shape of the connector protrusion and the cross-sectional shape of the connector slot are both rectangular. When the cross-sectional shape of the connector protrusion and the cross-sectional shape of the connector slot are both rectangular, slippage between the connector protrusion and the connector slot can be avoided.

[0020] As a preferred solution of the utility model, the receiving handle is provided with an anti-skid structure. In order to optimize the comfort of use, the receiving handle is specially processed to achieve the purpose of anti-skid when the user uses it.

[0021] The beneficial effects of the utility model are:

[0022] The utility model is suitable for the wrench joint of the special-shaped nut. By modularizing the wrench joint, it can be assembled and installed to achieve multi-scenario application, thereby optimizing its use and adaptation shape. Through its modular design, special-shaped nuts of different sizes can be disassembled or installed, and the special-shaped nuts can be screwed in any direction, ultimately achieving the tightening and disassembly of nuts including but not limited to polygonal, elliptical, grooved or protruding nuts. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a structural schematic diagram of the utility model;

[0024] Figure 2 It is an exploded view of the utility model;

[0025] Figure 3 This is a working state diagram of the first direction of the utility model;

[0026] Figure 4 It is a working state diagram of the second direction of the utility model.

[0027] In the figure: 1- conversion joint; 2- special-shaped socket; 3- special-shaped nut; 4- receiving handle. DETAILED DESCRIPTION

[0028] To make the objectives, technical solutions, and advantages of the embodiments of the present utility model clearer, the following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are some, but not all, of the embodiments of the present utility model. The components of the embodiments of the present utility model usually described and illustrated in the accompanying drawings here can be arranged and designed in various different configurations.

[0029] Therefore, the following detailed description of the embodiments of the present utility model provided in the accompanying drawings is not intended to limit the scope of the present utility model claimed, but merely represents selected embodiments of the present utility model. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts fall within the scope of protection of the present utility model. It should be noted that, without conflict, the embodiments in the present utility model and the features in the embodiments can be combined with each other.

[0030] As Figures 1 to 4 shown, the wrench joint applicable to the special-shaped nut in this embodiment includes a conversion joint 1. A special-shaped socket 2 is detachably connected to the inner ring of the conversion joint 1. A special-shaped structure is provided on the inner ring of the special-shaped socket 2, and the special-shaped structure is engaged with the special-shaped fastener on the special-shaped nut 3.

[0031] For the wrench joint applicable to the special-shaped nut 3 of the present utility model, before use, the corresponding special-shaped socket 2 is cooperatively connected with the conversion joint 1 to assemble the special-shaped socket 2 and the conversion joint 1. The special-shaped socket 2 is sleeved on the corresponding special-shaped nut 3, and then the special-shaped nut 3 can be disassembled and installed. After use, the assembled special-shaped nut 3 wrench can be disassembled and stored. When it is necessary to disassemble and install special-shaped nuts 3 of different forms, according to the form of the special-shaped fastener of the special-shaped nut 3, the special-shaped socket 2 with a special-shaped structure matching the special-shaped fastener is replaced, and then the work can be carried out.

[0032] For the wrench joint applicable to the special-shaped nut 3 of the present utility model, through its modular design, it can be assembled in a combined manner to achieve multi-scenario applications, thereby optimizing its use and adaptation shape. Through its modular form design, special-shaped nuts 3 of different sizes can be disassembled or installed, and the special-shaped nut 3 can be screwed in any direction, ultimately achieving the fastening and disassembly of nuts including but not limited to polygons, ellipses, nuts with grooves or protrusions, etc.

[0033] Specifically, a plurality of grooves are evenly distributed on the inner ring of the conversion joint 1, and a plurality of convex teeth are evenly distributed on the outer ring of the special-shaped socket 2. The plurality of grooves of the conversion joint 1 are engaged with the plurality of convex teeth of the special-shaped socket 2.

[0034] Between the special-shaped sockets 2 with different special-shaped structures, the convex teeth on the outer ring are always the same, ensuring that when replacing the special-shaped sockets 2 with different special-shaped structures, they can all be snap-connected to the adapter 1. A number of grooves on the adapter 1 are snap-connected to a number of convex teeth on the special-shaped socket 2, which can ensure the reliable connection between the adapter 1 and the special-shaped socket 2 and prevent the special-shaped socket 2 from disengaging from the adapter 1 when disassembling or installing the special-shaped nut 3.

[0035] Furthermore, notches are provided on both the adapter 1 and the special-shaped socket 2, and the notches on the adapter 1 are aligned with the notches on the special-shaped socket 2. Notches are provided on both the adapter 1 and the special-shaped socket 2, so that both the adapter 1 and the special-shaped socket 2 have the ability to deform in a special shape, facilitating the smooth installation of the special-shaped socket 2 into the adapter 1.

[0036] The first structural form of the special-shaped nut 3 and the special-shaped socket 2: The special-shaped fasteners on the special-shaped nut 3 are a number of square grooves, and the a number of square grooves are evenly distributed on the outer ring of the special-shaped nut 3; the special-shaped structure on the special-shaped socket 2 is a number of square teeth, and the a number of square teeth are evenly distributed on the inner ring of the special-shaped socket 2; the a number of square grooves and the a number of square teeth are snap-connected one by one.

[0037] The square grooves on the special-shaped nut 3 and the square teeth on the special-shaped socket 2 are snap-connected one by one, which can ensure the reliable connection between the special-shaped nut 3 and the special-shaped socket 2, and ensure that when the adapter 1 is rotated, the special-shaped socket 2 can drive the special-shaped nut 3 to be screwed smoothly, realizing the reliable disassembly or installation of the special-shaped nut 3.

[0038] The second structural form of the special-shaped nut 3 and the special-shaped socket 2: The special-shaped fasteners on the special-shaped nut 3 are a number of elliptical grooves, and the a number of elliptical grooves are evenly distributed on the outer ring of the special-shaped nut 3; the special-shaped structure on the special-shaped socket 2 is a number of elliptical teeth, and the a number of elliptical teeth are evenly distributed on the inner ring of the special-shaped socket 2; the a number of elliptical grooves and the a number of elliptical teeth are snap-connected one by one.

[0039] The elliptical grooves on the special-shaped nut 3 and the elliptical teeth on the special-shaped socket 2 are snap-connected one by one, which can ensure the reliable connection between the special-shaped nut 3 and the special-shaped socket 2, and ensure that when the adapter 1 is rotated, the special-shaped socket 2 can drive the special-shaped nut 3 to be screwed smoothly, realizing the reliable disassembly or installation of the special-shaped nut 3.

[0040] The third structural form of the special-shaped nut 3 and the special-shaped socket 2: The special-shaped fasteners on the special-shaped nut 3 are a number of polygonal grooves, and the a number of polygonal grooves are evenly distributed on the outer ring of the special-shaped nut 3; the special-shaped structure on the special-shaped socket 2 is a number of polygonal teeth, and the a number of polygonal teeth are evenly distributed on the inner ring of the special-shaped socket 2; the a number of polygonal grooves and the a number of polygonal teeth are snap-connected one by one.

[0041] The polygonal groove on the special-shaped nut 3 and the polygonal teeth on the special-shaped socket 2 are engaged one by one, which can ensure that the special-shaped nut 3 is reliably connected to the special-shaped socket 2, and ensure that when the conversion joint 1 is rotated, the special-shaped socket 2 can drive the special-shaped nut 3 to be screwed smoothly, thereby realizing the reliable disassembly or installation of the special-shaped nut 3.

[0042] The structural forms of the special-shaped nut 3 and the special-shaped socket 2 of the utility model are not limited to the above three types.

[0043] In order to facilitate the disassembly or installation operation, the conversion joint 1 is detachably connected with a receiving handle 4. By rotating the conversion joint 1 through the receiving handle 4, the purpose of labor saving can be achieved.

[0044] The conversion joint 1 is provided with a joint protrusion, and one end of the receiving handle 4 is provided with a joint slot, and the joint protrusion is engaged with the joint slot. The joint protrusion on the conversion joint 1 and the joint slot on the receiving handle 4 are reliably engaged, so as to avoid the situation that the receiving handle 4 and the conversion joint 1 are disengaged when the receiving handle 4 is bent.

[0045] Furthermore, the cross-sectional shape of the connector protrusion and the cross-sectional shape of the connector slot are both rectangular. When the cross-sectional shape of the connector protrusion and the cross-sectional shape of the connector slot are both rectangular, slippage between the connector protrusion and the connector slot can be avoided.

[0046] The receiving handle 4 is provided with an anti-skid structure. In order to optimize the comfort of use, the receiving handle 4 is specially processed to achieve the purpose of anti-skid when the user uses it.

[0047] The present utility model is not limited to the above-mentioned optional implementation modes. Anyone can derive other various forms of products under the inspiration of the present utility model. However, no matter what changes are made in the shape or structure, all technical solutions that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A wrench joint applicable to special-shaped nuts, characterized in that: It includes an adapter (1). An irregular socket (2) is detachably connected to the inner ring of the adapter (1). An irregular structure is provided on the inner ring of the irregular socket (2), and the irregular structure is engaged with the irregular fastener on the irregular nut (3).

2. The wrench joint applicable to the special-shaped nut according to claim 1, wherein: A number of grooves are evenly distributed on the inner ring of the adapter (1), and a number of convex teeth are evenly distributed on the outer ring of the irregular socket (2). The number of grooves on the adapter (1) is engaged with the number of convex teeth on the irregular socket (2).

3. A wrench joint applicable to an irregular nut according to claim 1, characterized in that: Notches are provided on both the adapter (1) and the irregular socket (2), and the notches on the adapter (1) are aligned with the notches on the irregular socket (2).

4. A wrench joint applicable to an irregular nut according to claim 1, characterized in that: The irregular fasteners on the irregular nut (3) are a number of square grooves, and the number of square grooves are evenly distributed on the outer ring of the irregular nut (3); the irregular structure on the irregular socket (2) is a number of square teeth, and the number of square teeth are evenly distributed on the inner ring of the irregular socket (2); the number of square grooves are engaged with the number of square teeth one by one.

5. A wrench joint applicable to an irregular nut according to claim 1, characterized in that: The irregular fasteners on the irregular nut (3) are a number of elliptical grooves, and the number of elliptical grooves are evenly distributed on the outer ring of the irregular nut (3); the irregular structure on the irregular socket (2) is a number of elliptical teeth, and the number of elliptical teeth are evenly distributed on the inner ring of the irregular socket (2); the number of elliptical grooves are engaged with the number of elliptical teeth one by one.

6. The wrench joint applicable to the special-shaped nut according to claim 1, wherein: The irregular fasteners on the irregular nut (3) are a number of polygonal grooves, and the number of polygonal grooves are evenly distributed on the outer ring of the irregular nut (3); the irregular structure on the irregular socket (2) is a number of polygonal teeth, and the number of polygonal teeth are evenly distributed on the inner ring of the irregular socket (2); the number of polygonal grooves are engaged with the number of polygonal teeth one by one.

7. The wrench joint applicable to the special-shaped nut according to claim 1, wherein: A receiving handle (4) is detachably connected to the adapter (1).

8. The wrench joint applicable to the special-shaped nut according to claim 7, wherein: A joint convex block is provided on the adapter (1), and a joint card slot is provided at one end of the receiving handle (4). The joint convex block is engaged with the joint card slot.

9. A wrench joint applicable to an irregular nut according to claim 8, characterized in that: The cross-sectional shapes of both the joint convex block and the joint card slot are rectangular.

10. A wrench joint applicable to special-shaped nuts according to claim 7, characterized in that: An anti-slip structure is provided on the receiving handle (4).