Locking nut with external rubber coating structure

By introducing springs and specific mounting groove structures into the lock nuts, the frictional force changes caused by temperature changes are solved, and the stable connection of the lock nuts and adaptability to different surfaces is achieved.

CN223136662UActive Publication Date: 2025-07-22XIAMEN JINGU HARDWARE PRODUCTS CO LTD
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Patent Information

Application Number
CN202422293566.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-09-20
Publication Date
2025-07-22
Estimated Expiration
2034-09-20

AI Technical Summary

Technical Problem

The locking nuts of the existing outer-clad rubber structure affect the friction due to thermal expansion and contraction when the temperature changes, resulting in a change in locking force and affecting the stability of the connection.

Method used

A lock nut with an outer clamping structure is designed, by movably connecting the spring between the nut and clamping, and first and second mounting grooves are provided in the nut and clamping to accommodate the spring. The spring deformation when the temperature changes, and square bumps and triangular rubber blocks are provided in the clamping to increase friction.

Benefits of technology

Effectively offset the frictional force changes caused by temperature changes, prevent locking force changes, improve the stability of nut connections, and enhance adaptability to different surfaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a locking nut with an external rubber coating structure, which comprises a main body assembly, a nut and a rubber coating, and is characterized in that the main body assembly comprises a nut and a rubber coating; the temperature adapting assembly comprises a spring; the temperature adaptation assembly further comprises a first installation groove and a second installation groove. A first mounting groove is formed in the top of the nut, a second mounting groove is formed in the bottom end in the rubber coating, the first mounting groove is movably connected with one end of a spring, and the second mounting groove is movably connected with the other end of the spring. The spring is installed in the first installation groove and the second installation groove, the spring can be installed between the rubber coating and the nut, meanwhile, the spring has a deformation space after being installed, when the temperature changes, the deformation of the spring can counteract the deformation quantity caused by thermal expansion and cold contraction of the rubber coating, and the service life of the spring is prolonged. Therefore, the friction force between the rubber coating and the nut and the friction force between the rubber coating and the connected part are prevented from being changed, the locking force can be prevented from being changed, and the stability of nut connection is guaranteed.
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Description

Technical Field

[0001] The utility model relates to the technical field of nuts, in particular to a locking nut with an outer wrapped rubber structure. Background Technique

[0002] A locking nut with an outer wrapped rubber structure is a nut with a special design. The main feature of this locking nut lies in its outer wrapped rubber structure. The rubber wrapping usually uses materials with certain elasticity and friction, such as rubber. The rubber wrapping can increase the friction between the nut and the connecting component, thereby improving the locking effect and preventing the nut from loosening under vibration or other external forces. When the locking nut with an outer wrapped rubber structure is tightened on the bolt, the rubber wrapped part will be compressed, generating a reverse acting force to make the connection between the nut and the bolt more tight.

[0003] In the existing locking nuts with an outer wrapped rubber structure, the rubber wrapping is usually tightly installed with the nut. When the temperature changes, the rubber wrapping will expand and contract thermally, which will affect the friction between the rubber wrapping structure and the nut as well as the connected component, resulting in a change in the locking force and further affecting the connection stability of the locking nut. Therefore, a structure that can adapt to the thermal expansion and contraction of the rubber wrapping is needed to ensure the connection stability of the locking nut. Content of the Utility Model

[0004] The purpose of the utility model is to provide a locking nut with an outer wrapped rubber structure to solve the problem proposed in the above background technique that in the existing locking nuts with an outer wrapped rubber structure, the rubber wrapping is usually tightly installed with the nut. When the temperature changes, the rubber wrapping will expand and contract thermally, which will affect the friction between the rubber wrapping structure and the nut as well as the connected component, resulting in a change in the locking force and further affecting the connection stability of the locking nut.

[0005] To solve the above technical problems, the utility model is realized through the following technical solutions:

[0006] The utility model is a locking nut with an outer wrapped rubber structure, including:

[0007] A main body component, the main body component includes a nut and a rubber wrapping;

[0008] A temperature adaptation component, the temperature adaptation component includes a spring;

[0009] The spring is movably connected between the nut and the rubber wrapping.

[0010] Further, the temperature adaptation component further includes a first installation groove and a second installation groove;

[0011] A first installation groove is opened at the top of the nut, a second installation groove is opened at the bottom end inside the rubber coating, one end of a spring is movably connected to the first installation groove, and the other end of the spring is movably connected to the second installation groove.

[0012] Further, the depths of both the first installation groove and the second installation groove are set to 2 cm, and the length of the spring when not deformed is 6 cm.

[0013] Further, it further includes an efficient anti-slip component, and the efficient anti-slip component includes square bumps;

[0014] The square bumps are fixedly installed on both sides of the nut, the square bumps are arranged at equal intervals, and the square bumps are in frictional connection with the inner wall of the rubber coating.

[0015] Further, the efficient anti-slip component further includes triangular rubber blocks;

[0016] One end of the rubber coating is fixedly connected to the triangular rubber blocks.

[0017] Further, the triangular rubber blocks are equidistantly distributed in a serrated shape.

[0018] Compared with the prior art, the advantages of the present utility model are as follows:

[0019] In the present utility model, the spring is installed in the first installation groove and the second installation groove, which can facilitate the installation of the spring between the rubber coating and the nut. At the same time, the spring has a deformation space after installation. Furthermore, when the temperature changes, the deformation of the spring can offset the deformation amount caused by the thermal expansion and contraction of the rubber coating, thereby preventing the frictional force between the rubber coating, the nut, and the connected component from changing, and further preventing the locking force from changing, ensuring the stability of the nut connection.

[0020] Based on the above beneficial effects, the provided square bumps can increase the frictional force between the nut and the rubber coating, thereby avoiding the sliding phenomenon between the nut and the rubber coating. At the same time, the provided triangular rubber blocks are equidistantly distributed in a serrated shape. When the nut is tightened, the serrated triangular rubber blocks can better grip the connected component, preventing the nut from loosening under vibration or external force. At the same time, the serrated design increases the actual contact area between the triangular rubber blocks and the contact surface, enabling the rubber coating to better adapt to surfaces with different shapes and roughnesses. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0022] Figure 1It is the exploded view of the utility model;

[0023] Figure 2 It is the sectional view of the utility model;

[0024] Figure 3 It is the overall schematic diagram of the utility model;

[0025] Figure 4 It is the internal schematic diagram of the nut of the utility model;

[0026] Figure 5 It is the internal schematic diagram of the rubber coating of the utility model.

[0027] In the attached drawings, the list of components represented by each label is as follows:

[0028] 101, nut; 102, rubber coating;

[0029] 201, spring; 202, first installation groove; 203, second installation groove;

[0030] 301, square convex block; 302, triangular rubber block. Specific embodiments

[0031] To make the above objects, features, and advantages of the utility model more obvious and understandable, the specific embodiments of the utility model will be described in detail below with reference to the attached drawings.

[0032] Many specific details are set forth in the following description to facilitate a thorough understanding of the utility model, but the utility model may also be implemented in other ways different from those described herein. Those skilled in the art may make similar extensions without departing from the connotation of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed below.

[0033] To make the purpose, technical solution, and advantages of the utility model clearer, the embodiments of the utility model will be further described in detail below with reference to the attached drawings.

[0034] Please refer to Figures 1-5 As shown, this embodiment is a locking nut with an outer rubber coating structure, including:

[0035] A main body component, which includes a nut 101 and a rubber coating 102;

[0036] A temperature adaptation component, which includes a spring 201;

[0037] A spring 201 is movably connected between the nut 101 and the rubber coating 102;

[0038] The spring 201 can deform, so as to offset the deformation amount generated by the thermal expansion and contraction of the rubber coating 102;

[0039] The temperature adaptation component further includes a first installation groove 202 and a second installation groove 203;

[0040] A first installation groove 202 is opened at the top of the nut 101, and a second installation groove 203 is opened at the inner bottom end of the rubber coating 102. One end of the spring 201 is movably connected to the first installation groove 202, and the other end of the spring 201 is movably connected to the second installation groove 203;

[0041] The opening of the first installation groove 202 and the second installation groove 203 provides a guarantee for the firm clamping of the spring 201;

[0042] The depths of both the first installation groove 202 and the second installation groove 203 are set to 2 cm, and the length of the spring 201 when not deformed is 6 cm;

[0043] The setting that the length of the spring 201 when not deformed is greater than the sum of the depths of the first installation groove 202 and the second installation groove 203 can ensure that the spring 201 still has a deformation effect after installation;

[0044] It further includes an efficient anti-slip component, and the efficient anti-slip component includes a square bump 301;

[0045] Square bumps 301 are fixedly installed on both sides of the nut 101. The square bumps 301 are arranged at equal intervals and are frictionally connected to the inner wall of the rubber coating 102;

[0046] The setting of the square bumps 301 can increase the friction between the outer wall of the nut 101 and the inner wall of the rubber coating 102, thereby preventing relative sliding between the nut 101 and the rubber coating 102;

[0047] The efficient anti-slip component further includes a triangular rubber block 302;

[0048] One end of the rubber coating 102 is fixedly connected to the triangular rubber block 302;

[0049] The setting of the triangular rubber block 302 increases the friction between the rubber coating 102 and the connecting piece;

[0050] The triangular rubber blocks 302 are evenly distributed in a serrated shape;

[0051] The distribution arrangement of the triangular rubber blocks 302 enables the rubber coating 102 to better adapt to surfaces of different shapes and roughnesses, thereby improving the applicability;

[0052] Working principle: Place the nut 101 on a stable workbench with the threaded part facing upwards. Then, place one end of the spring 201 on the nut 101 and at the same time in the first installation groove 202, align the center of the spring 201 with the center of the nut 101. Slip the rubber coating 102 over the nut and slowly press down on the rubber coating 102 to gradually bring the rubber coating 102 closer to the spring 201. Continue to press down on the rubber coating 102 until the rubber coating 102 is in close contact with the nut 101. At this time, the other end of the spring 201 is snapped into the second installation groove 203 to complete the installation among the nut 101, the rubber coating 102, and the spring 201. Then, screw the nut 101 onto the bolt until the triangular rubber block 302 at the bottom of the rubber coating 102 firmly contacts the connecting part;

[0053] In this step, the deformation of the spring can offset the deformation amount of the rubber coating due to thermal expansion and contraction, thereby preventing the change of the friction force between the rubber coating and the nut and the connected component, further preventing the change of the locking force, ensuring the stability of the nut connection, and the serrated triangular rubber block can better grip the connected component to prevent the nut from loosening under vibration or external force. At the same time, the rubber coating can better adapt to surfaces with different shapes and roughnesses.

[0054] In the description of the present invention, it should also be noted that unless otherwise clearly specified and defined, the terms "set", "install", "connect", and "couple" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0055] Finally, it should be noted that the above are only the preferred embodiments of the present invention and are not used to limit the present invention. Although the present invention has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A locking nut with an outer wrapped rubber structure, characterized in that Including: A main body component, which includes a nut (101) and a rubber coating (102); A temperature adaptation component, which includes a spring (201); The spring (201) is movably connected between the nut (101) and the rubber coating (102).

2. The locking nut with an outer bag encapsulation structure according to claim 1, characterized in that, The temperature adaptation component further includes a first installation groove (202) and a second installation groove (203); A first installation groove (202) is formed at the top of the nut (101), and a second installation groove (203) is formed at the inner bottom end of the rubber coating (102). One end of the spring (201) is movably connected to the first installation groove (202), and the other end of the spring (201) is movably connected to the second installation groove (203).

3. The lock nut with an outer wrap structure according to claim 2, characterized in that, The depths of the first installation groove (202) and the second installation groove (203) are both set to 2 cm, and the length of the spring (201) when not deformed is 6 cm.

4. The locking nut with an outer encapsulation structure according to claim 1, wherein It further includes an efficient anti-slip component, which includes square bumps (301); Square bumps (301) are fixedly installed on both sides of the nut (101), and the square bumps (301) are arranged at equal intervals, and the square bumps (301) are in frictional connection with the inner wall of the rubber coating (102).

5. The locking nut with an outer wrap structure according to claim 4, characterized in that, The efficient anti-slip component further includes triangular rubber blocks (302); One end of the rubber coating (102) is fixedly connected to the triangular rubber blocks (302).

6. The lock nut with an outer wrap structure according to claim 5, characterized in that, The triangular rubber blocks (302) are evenly distributed in a serrated shape.