Bolt self-locking anti-loosening structure

An anti-loosening and self-locking technology, applied in the directions of bolts, screws, nuts, etc., can solve the problems of reducing the anti-loosening effect and poor reliability, and achieve the effect of good application prospects, low production cost and convenient operation.

Pending Publication Date: 2021-10-26
陈建军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The anti-loosening solution with increased friction is not limited by space and can be disassembled repeatedly, but the reliability is poor. After a certain period of work, the anti-loosening effect will be reduced due to vibration and other reasons

Method used

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  • Bolt self-locking anti-loosening structure
  • Bolt self-locking anti-loosening structure
  • Bolt self-locking anti-loosening structure

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Embodiment Construction

[0038] The following description of the embodiments of the present invention with reference to the accompanying drawings is intended to explain the general inventive concept of the present invention, but should not be construed as a limitation of the present invention. The accompanying drawings illustrate by taking right-handed hexagonal bolts and nuts, a single helical anti-loosening groove, a single anti-loosening convex tooth, the bottom of the helical anti-loosening groove and the crest of the anti-loosening convex tooth as examples.

[0039] Such as figure 1 Shown is a schematic diagram of the self-locking and anti-loosening structure of the bolt, including the anti-loosening bolt 1, the anti-loosening nut 2, the anti-loosening locking ring 3, and the spring washer 4.

[0040] The anti-loosening bolt 1 is provided with a helical anti-loosening groove 1-1, the helical anti-loosening groove 1-1 runs through the threaded section of the anti-loosening bolt 1, and the bottom o...

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PUM

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Abstract

The invention discloses a bolt self-locking anti-loosening structure. The bolt self-locking anti-loosening structure is characterized by comprising a lock bolt, a lock nut, an anti-loosening locking ring and a spring washer. A spiral anti-loosening groove is formed in the threaded section of the lock bolt, anti-loosening protruding teeth and a plurality of wedge-shaped anti-loosening teeth are arranged on the anti-loosening locking ring, and the lock nut is provided with the multiple wedge-shaped anti-loosening teeth. The spring washer and the anti-loosening locking ring are sequentially installed on the threaded section of the lock bolt, the lock nut is screwed into the lock bolt, the lock nut and the wedge-shaped anti-loosening teeth on the anti-loosening locking ring are the same in structure specification and are meshed with each other, and the anti-loosening protruding teeth on the anti-loosening locking ring are embedded into the spiral anti-loosening groove. According to the bolt self-locking anti-loosening method, the pre-tightening force of the bolt can be effectively controlled within a constant and effective range, loosening of the bolt and the nut is prevented, and the state of the bolt and the state of the nut are locked.

Description

technical field [0001] The invention relates to the mechanical field, and is suitable for a self-locking and anti-loosening bolt structure for preventing bolt tightening failure due to loosening of fastener bolts due to vibration. Background technique [0002] Anti-loosening bolts are mainly used to control the loosening and failure of connecting parts operating under vibration conditions, especially for mechanical equipment such as mining machinery under vibration working conditions, it is necessary to take measures to prevent parts from loosening and affect the normal operation of mechanical connecting parts. The currently commonly used anti-loosening methods for fasteners generally include non-removable anti-loosening schemes and anti-loosening schemes that increase friction. The non-detachable anti-loosening scheme uses point riveting and welding to change the detachable threaded connection into a non-detachable threaded connection. In the non-removable anti-loosening s...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B39/28F16B39/282
CPCF16B39/28F16B39/282
Inventor 陈建军陈雨繁
Owner 陈建军
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