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Special-shaped anti-rotation self-locking retainer ring

An anti-rotation and self-locking technology, which is applied in the direction of mechanical equipment, connecting components, etc., can solve the problems of low strength and failure, and achieve the effect of sufficient strength, good anti-loosening, and firm and reliable connection

Active Publication Date: 2015-09-02
GUIZHOU AEROSPACE PRECISION PRODS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002]After the parts in the hole are assembled, the elastic retaining ring for the hole is usually used to limit the axial position of the part in the hole. The ring wall is thin and the strength is low, so it is easy to fail under the action of axial impact force
Therefore, when the axial load is large, the method of using the existing circlip for the hole to limit the axial position of the parts in the hole cannot meet the needs of use.

Method used

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  • Special-shaped anti-rotation self-locking retainer ring
  • Special-shaped anti-rotation self-locking retainer ring
  • Special-shaped anti-rotation self-locking retainer ring

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Embodiment

[0019] When implementing the present invention, the part body 1 is first processed, then the external thread 4 is processed on the outer circle of the part body 1, and the special-shaped hole 2 is processed in the center of the part body 1, and then on the inner wall where the external thread of the part body 1 is located. Use the existing flaring method or stamping method to press out 2 to 4 concave deformation pits 3, through the concave deformation pits 3, the external thread on the outer surface of the part body 1 produces local convex deformation 6, and the deformation is as follows image 3 shown by image 3 It can be seen that the tooth height of the external thread is raised upward by δ from the original height (shown by the dotted line in the figure). Due to the local convex deformation on the thread, a self-locking moment will be generated during connection; the special-shaped hole has the effect of preventing rotation. In order to facilitate disassembly during u...

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Abstract

The invention discloses a special-shaped anti-rotation self-locking retainer ring which comprises a component body (1). The component body (1) is in the shape of a short pipe with a closed end, a special-shaped hole (2) which coincides with the axis of the short pipe is formed in the closed end of the short pipe, external threads (4) are arranged on an outer cylindrical surface of the short pipe, and sunken deformation pits (3) which are circumferentially uniformly distributed are formed in the inner wall of the short pipe; screwing notches (5) which are circumferentially uniformly distributed are arranged on the end surface of an unclosed end of the short pipe. The special-shaped anti-rotation self-locking retainer ring has the advantages that the special-shaped anti-rotation self-locking retainer ring has a self-locking function and anti-rotation capacity, is sufficient in strength, firm and reliable in connection and particularly applicable to limiting axial positions of components in holes after the components are assembled in the holes, and can be used for other places with high axial loads.

Description

technical field [0001] The invention relates to a special-shaped anti-rotation self-locking retaining ring, which belongs to the technical field of self-locking screw connection. technical background [0002] After the parts in the hole are assembled, the axial position of the part in the hole is usually limited by the elastic retaining ring for the hole. Because the existing elastic retaining ring for the hole has a thin wall and low strength, it is easy to be affected by the axial impact force. next failure. Therefore, when the axial load is relatively large, the existing method of limiting the axial position of the parts in the hole by using the existing circlip for the hole cannot meet the needs of use. Contents of the invention [0003] The purpose of the present invention is to provide a special-shaped anti-rotation self-locking ring that can limit the axial position of the parts in the hole, has high strength, prevents the rotation of the parts, and can withstand t...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B21/10
CPCF16B21/10
Inventor 杨鑫郑伟雷世斌汪辉永魏君淑
Owner GUIZHOU AEROSPACE PRECISION PRODS
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