Special-shaped nut

By setting a fixing groove, a fixing ring, and a spring structure on the body of the irregular nut, the connection and tightness between the nut and the part to be tightened are enhanced, the problem of loosening of irregular nuts is solved, and a better tightening effect is achieved.

CN223894733UActive Publication Date: 2026-02-10XIAMEN XINKAICHUANG PRECISION TECHNOLOGY CO LTD
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Patent Information

Application Number
CN202520630915.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-04-07
Publication Date
2026-02-10
Estimated Expiration
2035-04-07

AI Technical Summary

Technical Problem

Existing irregular-shaped nuts are prone to loosening when connecting and fastening other parts, resulting in insufficient connection tightness.

Method used

A special-shaped nut was designed, which has a fixing groove and an installation groove on its body. A fixing ring is rotatably set in the fixing groove and fixedly connected to the fixing plate. A spring is set in the installation groove. After the fixing plate is pressed against the part to be fastened, the spring is compressed and generates force to enhance the connection and fastening.

Benefits of technology

By utilizing the action and reaction forces of the spring, the connection between the irregularly shaped nut and the part to be tightened is improved, loosening is reduced, and a better tightening effect is achieved.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN223894733U_ABST
    Figure CN223894733U_ABST
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Abstract

The utility model discloses a special-shaped nut, which belongs to the technical field of special-shaped nuts, and comprises a nut body, a fixing groove is arranged on the nut body, a fixing ring is rotatably arranged in the fixing groove, the fixing ring is fixedly connected with a fixing plate, the fixing ring is arranged between the fixing plate and the nut body, a mounting groove is arranged on the nut body, and the mounting groove is fixedly connected with the nut body. A mounting groove is formed in the fixing plate, a fixing groove is formed in the fixing plate, the mounting groove is communicated with the fixing groove, the fixing groove is formed between the mounting groove and the fixing plate, a plurality of springs are fixedly arranged in the mounting groove, one end of each spring abuts against the fixing ring, and the nut has the advantage that the nut is not prone to loosening.
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Description

TECHNICAL FIELD

[0001] The utility model relates to special-shaped nut technical field, concretely is a special-shaped nut. BACKGROUND

[0002] The nut is a common mechanical part, mainly used for connecting and fastening other parts, and the special-shaped nut is one of the nuts. The special-shaped nut is a special-shaped nut, which is usually used in specific application scenarios or meets special mechanical requirements.

[0003] There are various types of special-shaped nuts, including but not limited to square nuts, hexagonal nuts, T-shaped nuts, square nuts, cylindrical nuts, etc. Some special-shaped nuts have special functions, such as anti-skid, anti-looseness, self-locking, etc., which are suitable for occasions requiring high safety and stability.

[0004] For the above technical conditions, the nut is used to connect and fasten other parts, but the connection and fastening of the nut are not good enough, and the nut is prone to looseness.

[0005] Therefore, the utility model designs a special-shaped nut to solve the above problems. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a special-shaped nut to solve the above technical problems.

[0007] To achieve the above purpose, the utility model provides the following technical scheme: a special-shaped nut, comprising the body of the nut, a fixing groove is formed on the body, a fixing ring is rotatably arranged in the fixing groove, the fixing ring is fixedly connected with a fixing plate, the fixing ring is between the fixing plate and the body, an installation groove is formed on the body, the installation groove is communicated with the fixing groove, the fixing groove is between the installation groove and the fixing plate, a spring is fixedly arranged in the installation groove, a plurality of springs are arranged in the installation groove, and one end of the spring abuts against the fixing ring.

[0008] Preferably, a limiting groove is formed in the fixing groove, a limiting ring is fixedly connected to the fixing ring, the limiting ring is located in the limiting groove, and the height of the limiting ring is less than the height of the limiting groove.

[0009] Preferably, a fixing strip is fixedly arranged on the fixing plate, and a plurality of fixing strips are arranged on the fixing plate.

[0010] In summary, the application has the following beneficial technical effects: when used, the body is threadedly connected to the part to be fastened, the fixed plate is between the body and the part to be fastened, after the body is screwed, the fixed plate abuts against the part to be fastened, the spring is compressed, the spring generates an acting force and a counteracting force, under the action of the two forces, the connection between the body and the part to be fastened is better, the body is not easy to loosen, and the effect that the nut is not easy to loosen is achieved. BRIEF DESCRIPTION OF DRAWINGS

[0011] In order to more clearly illustrate the technical schemes of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor.

[0012] Fig. 1 It is a structural schematic diagram of the special-shaped nut of the embodiment;

[0013] Fig. 2 It is a sectional structural schematic diagram of the special-shaped nut of the embodiment;

[0014] Fig. 3 It is an installation structural schematic diagram of the special-shaped nut of the embodiment.

[0015] In the drawings, the component list represented by each reference numeral is as follows:

[0016] 1, fixed plate; 2, fixed strip; 3, body; 4, fixed ring; 5, limiting ring; 6, installation groove; 7, limiting groove; 8, fixed groove; 9, spring. DETAILED DESCRIPTION

[0017] The technical schemes in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0018] The following will be described in combination with the drawings in the embodiments of the present application Figs. 1-3 The present application will be further described in detail.

[0019] A special-shaped nut, comprising a body 3 of the nut, a fixed groove 8 is arranged on the body 3, a fixed ring 4 is rotatably arranged in the fixed groove 8, and one end of the fixed ring 4 extends out of the fixed groove 8. A fixed plate 1 is fixedly connected to the end of the fixed ring 4 extending out of the fixed groove 8, and the fixed ring 4 is between the fixed plate 1 and the body 3.

[0020] The body 3 is provided with a mounting groove 6, the mounting groove 6 is communicated with a fixing groove 8, and the fixing groove 8 is between the mounting groove 6 and the fixing plate 1. A plurality of springs 9 are fixedly arranged in the mounting groove 6, and one end of the spring 9 abuts against one end of the fixing ring 4 located in the fixing groove 8.

[0021] In use, the fixing plate 1 is arranged between the body 3 and a part to be fastened, the body 3 is screwed, the fixing plate 1 abuts against the part to be fastened, the spring 9 is compressed, the spring 9 generates an acting force and a counteracting force, under the action of the acting force and the counteracting force, the connection between the body 3 and the part to be fastened is better fastened, and the body 3 is not prone to loosening.

[0022] The fixing groove 8 is provided with a limiting groove 7, and the inner side wall of the fixing ring 4 is fixedly connected with a limiting ring 5, the limiting ring 5 is located in the limiting groove 7, and the limiting ring 5 and the limiting groove 7 limit the fixing ring 4, so that the fixing ring 4 is not prone to disengaging from the body 3. The height of the limiting ring 5 is less than the height of the limiting groove 7, so that the limiting ring 5 can move up and down in the limiting groove 7.

[0023] The fixing plate 1 is fixedly provided with a fixing strip 2, and a plurality of fixing strips 2 are arranged on the fixing plate 1. The fixing plate 1 increases the contact area between the fixing plate 1 and the part to be fastened, and the contact friction force is relatively increased after the contact area is increased. Under the action of the friction force, the body 3 is not prone to loosening.

[0024] The implementation principle of the embodiment is that, in use, the body 3 is threadedly connected to a part to be fastened, the fixing plate 1 is arranged between the body 3 and the part to be fastened, the body 3 is screwed, the fixing plate 1 abuts against the part to be fastened, the spring 9 is compressed, the spring 9 generates an acting force and a counteracting force, under the action of the two forces, the connection between the body 3 and the part to be fastened is better fastened, the body 3 is not prone to loosening, and the nut is not prone to loosening.

[0025] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inner", "front", "central", "both ends" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model.

[0026] In the utility model, unless another definite provision and limitation, the term "installation", "arrangement", "connection", "fixation", "screw connection" and so on term should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electrical connection;Can be direct connection, also can indirectly connect through intermediate medium, can be two element inside's intercommunication or two element's mutual action relation, unless another definite limitation, for the ordinary skill of the art, can understand the above-mentioned term in the utility model specific meaning according to specific circumstances.

[0027] Although the embodiments of the utility model have been shown and described, it will be appreciated by those of ordinary skill in the art that various changes, modifications, alternatives, and variations can be made thereto without departing from the principles and spirit of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A non-circular nut, comprising a nut body (3), characterized in that: The main body (3) has a fixing groove (8) and a fixing ring (4) is rotatably disposed in the fixing groove (8). The fixing ring (4) is fixedly connected to a fixing plate (1) and the fixing ring (4) is between the fixing plate (1) and the main body (3). The main body (3) has an installation groove (6) and the installation groove (6) communicates with the fixing groove (8). The fixing groove (8) is between the installation groove (6) and the fixing plate (1). A spring (9) is fixedly disposed in the installation groove (6). Multiple springs (9) are disposed in the installation groove (6). One end of the spring (9) abuts against the fixing ring (4).

2. The irregularly shaped nut according to claim 1, characterized in that: A limiting groove (7) is provided in the fixing groove (8), and a limiting ring (5) is fixedly connected to the fixing ring (4). The limiting ring (5) is located in the limiting groove (7), and the height of the limiting ring (5) is less than the height of the limiting groove (7).

3. The irregularly shaped nut according to claim 1, characterized in that: A fixing strip (2) is fixedly provided on the fixing plate (1), and multiple fixing strips (2) are provided on the fixing plate (1).