Fastener of anti-falling structure

By introducing an anti-loosening structure into the fasteners and using components such as bolts, nuts, retaining sleeves, and springs to increase locking force and friction, the problem of fasteners loosening under vibration and impact is solved, achieving higher stability and safety.

CN223648283UActive Publication Date: 2025-12-09FASTEN STANDARD PARTS (SUZHOU) CO LTD
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Patent Information

Application Number
CN202423253537.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-28
Publication Date
2025-12-09
Estimated Expiration
2034-12-28

AI Technical Summary

Technical Problem

Traditional fasteners are prone to loosening or falling off under vibration, impact and other factors, leading to mechanical failure, equipment damage and safety hazards. Existing technologies are unable to effectively solve this problem.

Method used

A fastener with an anti-loosening structure was designed, including components such as bolts, nuts, fixing sleeves, partitions, and springs. By increasing the locking force and friction, it resists loosening caused by external factors, and a rotating rod and snap-fit ​​structure are used to ensure a stable connection of the fastener.

Benefits of technology

It effectively prevents fasteners from loosening and falling off, reduces the risk of mechanical failure, extends service life, and improves the stability and safety of equipment operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a fastener with an anti-drop structure, which belongs to the technical field of fasteners and comprises a bolt and an anti-drop component arranged on the outer wall of the bolt, the anti-drop component comprises a nut, a fixing sleeve, a first partition plate, a second partition plate and four springs, the nut is in threaded connection with the outer wall of the bolt, the second partition plate is fixedly arranged on the outer wall of the bolt, and the fixing sleeve is sleeved on the first partition plate. The first partition plate is slidably arranged on the outer wall of the bolt, the fixing sleeve is fixedly arranged on the outer wall of the first partition plate, the four springs are fixedly arranged between the two sides of the outer walls of the first partition plate and the second partition plate, and the bolt penetrates through the fixing sleeve, the first partition plate and the second partition plate. Extra locking force or friction force is increased through the anti-disengaging structure, it is guaranteed that the fastener is not prone to loosening when subjected to external force, loosening caused by external factors such as vibration and impact can be effectively resisted through the structure, mechanical faults and equipment damage are prevented, the risk of thread abrasion is reduced, and therefore the service life of the fastener is prolonged.
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Description

Technical Field

[0001] This utility model belongs to the field of fastener technology, specifically relating to a fastener with an anti-loosening structure. Background Technology

[0002] Fasteners play a vital role in machinery and equipment, ensuring the stability and reliability between parts and thus guaranteeing the normal operation of the entire machine or equipment. Fasteners, such as bolts, nuts, and screws, are mechanical components that connect two or more parts. Although traditional fasteners can meet connection requirements in most cases, they may have some problems under certain special environments. Among them, the problem of fastener falling off is relatively common. The problem of fastener falling off can be caused by a variety of factors, such as vibration, impact, and temperature changes. These factors may cause fasteners to loosen or fall off, thereby affecting the normal operation of machinery or equipment, and may even lead to serious safety accidents. In order to overcome the defects of traditional fasteners and improve their reliability and safety, their structure has been improved and innovated.

[0003] If a fastener with an anti-loosening structure becomes loose or falls off during use, the following disadvantages may occur: Loosening or falling off the fastener may lead to mechanical failure, equipment damage, or even serious safety accidents. Loose fasteners can cause instability during equipment operation, potentially resulting in abnormal noises and vibrations. This instability reduces equipment operating efficiency and accelerates the wear and damage of other components, reducing the fastener's lifespan. Furthermore, loose or falling fasteners may cause parts to fly off the equipment, causing serious injury to operators or even endangering their lives. Utility Model Content

[0004] The purpose of this invention is to provide a fastener with an anti-loosening structure, which aims to solve the problems raised in the background art.

[0005] A fastener with an anti-loosening structure, comprising,

[0006] bolt;

[0007] An anti-detachment component is disposed on the outer wall of the bolt, wherein: the anti-detachment component includes a nut, a fixing sleeve, a first partition, a second partition, and four springs; the nut is threadedly connected to the outer wall of the bolt; the second partition is fixedly disposed on the outer wall of the bolt; the first partition is slidably disposed on the outer wall of the bolt; the fixing sleeve is fixedly disposed on the outer wall of the first partition; the four springs are all fixedly disposed between the two sides of the outer walls of the first and second partitions; and the bolt passes through the fixing sleeve, the first partition, and the second partition.

[0008] Furthermore, a rotating rod is rotatably provided on the top of the outer wall of the bolt.

[0009] Furthermore, the outer wall of the rotating rod is provided with a latch.

[0010] Furthermore, a fixing bracket is fixedly provided on the outer wall of the nut.

[0011] Furthermore, a rotating rod is rotatably provided on the outer wall of the fixed frame.

[0012] Furthermore, the outer wall of the rotating rod is provided with a slot.

[0013] Compared with the prior art, the beneficial effects of this utility model are:

[0014] By adding extra locking force or friction through the anti-loosening structure, the fastener is ensured to be less prone to loosening when subjected to external forces. This structure can effectively resist loosening caused by external factors such as vibration and impact, prevent mechanical failure and equipment damage, reduce the risk of thread wear, and thus extend the service life of the fastener. Attached Figure Description

[0015] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the embodiments of the present invention to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0016] Figure 1 This is a first-view perspective perspective view of the present invention;

[0017] Figure 2 This is a second-view perspective perspective view of the present invention;

[0018] Figure 3 This is a third-view perspective view of the present invention;

[0019] Figure 4 For the present utility model Figure 3 Enlarged view of A in the middle;

[0020] Figure 5 For the present utility model Figure 3 A magnified view of B in the middle.

[0021] In the diagram: 1. Bolt; 2. Nut; 3. Fixing sleeve; 4. First partition; 5. Second partition; 6. Spring; 7. Rotating rod; 8. Buckle; 9. Fixing bracket; 10. Rotating rod. Detailed Implementation

[0022] 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.

[0023] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "top / bottom," etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Please see Figure 1-5 The technical solution provided in this embodiment is as follows:

[0026] A fastener with an anti-loosening structure, comprising,

[0027] Bolt 1;

[0028] An anti-detachment component is located on the outer wall of bolt 1. The anti-detachment component includes a nut 2, a fixing sleeve 3, a first partition 4, a second partition 5, and four springs 6. The nut 2 is threaded to the outer wall of bolt 1. The second partition 5 is fixedly installed on the outer wall of bolt 1. The first partition 4 is slidably installed on the outer wall of bolt 1. The fixing sleeve 3 is fixedly installed on the outer wall of the first partition 4. The four springs 6 are all fixedly installed between the two sides of the outer walls of the first partition 4 and the second partition 5. Bolt 1 passes through the fixing sleeve 3, the first partition 4, and the second partition 5.

[0029] In a specific embodiment of this utility model, an additional locking force or friction is added by an anti-loosening structure to ensure that the fastener is not easily loosened when subjected to external force. This structure can effectively resist loosening caused by external factors such as vibration and impact, prevent mechanical failure and equipment damage, reduce the risk of thread wear, and thus extend the service life of the fastener. Rotating the nut 2 pushes it toward the fixing sleeve 3, thereby squeezing the first partition 4 and the second partition 5, causing the four springs 6 to retract. At this time, the retracted springs 6 have an outward pushing force, so that the nut 2 and the outer wall thread of the bolt 1 are tightly fitted together. In addition, the bottom of the rotating rod 10 is rotatably set on the outer wall of the fixing frame 9. When rotating the nut 2, the groove of the rotating rod 10 is not engaged with the buckle 8. When the nut 2 is rotated to the appropriate position, the rotating rod 10 can be rotated so that its groove is engaged with the outer wall of the rotating rod 7. Then, by rotating the buckle 8, both sides of the buckle 8 are engaged with the outer wall of the rotating rod 10.

[0030] Specifically, a rotating rod 7 is rotatably provided on the top of the outer wall of bolt 1.

[0031] In a specific embodiment of this utility model, it can be rotated to a suitable position to align with the slot of the rotating rod 10 as needed.

[0032] Specifically, the outer wall of the rotating rod 7 is equipped with a latch 8 for rotation.

[0033] In a specific embodiment of this utility model, the buckle 8 can be rotated to lock into the groove of the rotating rod 10.

[0034] Specifically, a fixing bracket 9 is fixedly installed on the outer wall of the nut 2.

[0035] In a specific embodiment of this utility model, a fixing bracket 9 is fixedly provided on the outer wall of the nut 2 to facilitate the rotation of the rotating rod 10 on its outer wall.

[0036] Specifically, a rotating rod 10 is rotatably provided on the outer wall of the fixed frame 9.

[0037] In a specific embodiment of this utility model, the rotation of the rotating rod 10 facilitates the engagement of the slot with the buckle 8.

[0038] Specifically, the outer wall of the rotating rod 10 is provided with a slot.

[0039] In a specific embodiment of this utility model, the outer wall of the rotating rod 10 is provided with a slot, which makes it easy for the buckle 8 to be engaged in the slot.

[0040] Working principle:

[0041] Rotate the nut 2 to push it toward the fixed sleeve 3, thereby squeezing the first partition 4 and the second partition 5, causing the four springs 6 to retract. At this time, the retracted springs 6 have an outward pushing force, making the nut 2 and the outer wall thread of the bolt 1 fit tightly together. In addition, the bottom of the rotating rod 10 is rotatably set on the outer wall of the fixed frame 9. When the nut 2 is rotated, the groove of the rotating rod 10 is not engaged with the buckle 8. When the nut 2 is rotated to the appropriate position, the rotating rod 10 can be rotated so that its groove is engaged with the outer wall of the rotating rod 7. Then, by rotating the buckle 8, both sides of the buckle 8 are engaged with the outer wall of the rotating rod 10.

[0042] Finally, it should be noted that the above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A fastener with an anti-loosening structure, characterized in that, include, Bolt (1); An anti-detachment component is provided on the outer wall of the bolt (1), wherein: the anti-detachment component includes a nut (2), a fixing sleeve (3), a first partition (4), a second partition (5) and four springs (6). The nut (2) is threadedly connected to the outer wall of the bolt (1). The second partition (5) is fixedly disposed on the outer wall of the bolt (1). The first partition (4) is slidably disposed on the outer wall of the bolt (1). The fixing sleeve (3) is fixedly disposed on the outer wall of the first partition (4). The four springs (6) are all fixedly disposed between the two sides of the outer walls of the first partition (4) and the second partition (5). The bolt (1) passes through the fixing sleeve (3), the first partition (4) and the second partition (5).

2. The fastener with an anti-loosening structure according to claim 1, characterized in that, A rotating rod (7) is rotatably provided on the top of the outer wall of the bolt (1).

3. The fastener with an anti-loosening structure according to claim 2, characterized in that, The outer wall of the rotating rod (7) is provided with a buckle (8) for rotation.

4. The fastener with an anti-loosening structure according to claim 3, characterized in that, The outer wall of the nut (2) is fixedly provided with a fixing bracket (9).

5. The fastener with an anti-loosening structure according to claim 4, characterized in that, The outer wall of the fixed frame (9) is rotatably provided with a rotating rod (10).

6. The fastener with an anti-loosening structure according to claim 5, characterized in that, The outer wall of the rotating rod (10) is provided with a slot.