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Anti-loose bolt set composed of stop washer and annular groove nut and operation method thereof

A technology of stop washers and anti-loosening bolts, applied in the directions of nuts, bolts, screws, etc., can solve the problem of inconvenient disassembly, and achieve the effect of good anti-loosening effect, preventing relative rotation and good practicability.

Inactive Publication Date: 2019-01-11
韦志锋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method makes it inconvenient to disassemble

Method used

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  • Anti-loose bolt set composed of stop washer and annular groove nut and operation method thereof
  • Anti-loose bolt set composed of stop washer and annular groove nut and operation method thereof
  • Anti-loose bolt set composed of stop washer and annular groove nut and operation method thereof

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Embodiment Construction

[0026] exist figure 1 In an embodiment, an anti-loosening bolt set composed of a stop washer and a ring groove nut includes a stop washer (1), a ring groove nut (6), and a bolt (4). The stop washer (1) is made of thin plate elastic material, has an inner tooth (3) and an outer tooth (2), and the central angle corresponding to the arc length of the outer tooth is less than 20°; the inner tooth (3) is It protrudes toward the inner circle; the outer tooth position (2) is on the outer edge of the washer (1), upright, and perpendicular to the end face of the washer (1); the bolt rod (4) has a tooth groove (5), and the stop washer (1) ) of the inner teeth (3) are embedded in the alveolar (5) to ensure that the stop washer (1) and the bolt rod (4) do not rotate relative to each other. One end of the end face of the ring groove nut (6) is a flat surface, and the other end face has a circle of wedge-shaped ring groove (7) along the circumference. The outer teeth (2) of the moving was...

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Abstract

The invention discloses an anti-loose bolt set composed of a stop washer and an annular groove nut and an operation method thereof. Through interaction of upright external teeth of the stop washer anda wedge-shaped groove face of the annular groove nut, one radial acting force is added besides axial pretightening force when thread pairs are pretightened, and larger pressure and friction force areformed between the thread pairs. Meanwhile, an additional friction acting point is further added due to the interaction of upright external teeth and the wedge-shaped groove face, thus additional pressure and friction force are increased, the total friction force limit value is increased and is much larger than a friction force limit value generated by a common pretightening bolt, the anti-loosebolt set is better in anti-loose effect, and thus the thread pairs can be prevented from rotating relatively. The anti-loose bolt set is good in reliability and practicability, and can be used for places with severe impact, vibration and alternating load or with large temperature change, maintenance and overhauling of thread connection is reduced effectively, the safety of utilizing of the anti-loose bolt set is improved, and the utilization rate of the anti-loose bolt set is increased.

Description

technical field [0001] The invention belongs to the field of thread connection anti-loosening in mechanical engineering, and relates to an anti-loosening anti-loosening device composed of a stop washer and a ring groove nut, which can make full use of friction and anti-loosening, prevent the threaded connection from loosening, improve the connection effect, and reduce the maintenance and repair of the threaded connection. Loosening bolt groups and methods of operation. Background technique [0002] Various machines and components are inseparable from couplings in connection assembly. The number of connectors accounts for about 60% of the total number of mechanical parts. Among them, threaded connection is the most common form used in mechanical connection. It has the advantages of simple structure, reliable connection, convenient assembly and disassembly, etc., which brings convenience to the machinery industry. However, it has an inevitable weakness. Under the action of se...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B37/00F16B39/24
CPCF16B37/00F16B39/24
Inventor 韦志锋曾小波
Owner 韦志锋
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