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Arch-shaped elastic spacer

An elastic gasket and arch-shaped technology, applied in the field of gaskets, can solve the problems of poor stability, unbalanced force on bolts and nuts, etc., and achieve the effects of uniform deformation, high connection stability and long service life

Inactive Publication Date: 2013-11-20
WUXI ZHANGJINGYU STEEL MACHINERY PLANT
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing arched elastic gasket generally has a structure with an annular opening, and its disadvantage is that the force between the bolt and the nut is unbalanced, resulting in poor connection stability

Method used

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  • Arch-shaped elastic spacer
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Embodiment Construction

[0010] The specific implementation manner of the present invention will be described below in conjunction with the accompanying drawings.

[0011] See figure 1 and figure 2 , the present invention includes a body 1 with a plate-like structure. The body 1 is an arch-shaped structure. The hole 4, the size of the through hole 4 meets the passing of the screw (bolt).

[0012] When the present invention is in use, the bolt (not shown) passes through the through hole 4 and is connected to the connected part. Since the shrapnel 2 are symmetrically distributed on the body 1, the deformation is uniform, and the body of the arched structure also deforms simultaneously. The elastic force provided by the former improves the reliability of the bolt connection, and at the same time, it can avoid the shear force of the shrapnel on the bolt, and improve the stress condition of the bolt. It has the characteristics of simple structure, long service life and stable connection.

[0013] The a...

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PUM

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Abstract

The invention relates to an arch-shaped elastic spacer. The arch-shaped elastic spacer comprises a plate-shaped body of an arch-shaped structure, the middle of the body is separated and cut and bends upwards to form symmetric elastic pieces, one edges of the elastic pieces are provided with grooves respectively, and a through hole is formed between the grooves. Compared with an existing elastic nut, the body is of an arch shape, the symmetrically distributed elastic pieces are even in elastic deformation, large pre-tightening force is provided for a screw, shear force applied to the screw by the arch-shaped elastic spacer is small, and the screw is small in bending moment. The arch-shaped elastic spacer has the advantages of being simple in structure, long in service life and high in connection stability.

Description

technical field [0001] The present invention relates to gaskets, in particular to elastic gaskets. Background technique [0002] Arched elastic washers are parts that prevent fasteners such as screws or nuts from loosening. The existing arched elastic washers generally have a structure with an annular opening, which has the disadvantage of unbalanced stress between the bolt and the nut, resulting in poor connection stability. Contents of the invention [0003] In view of the above-mentioned shortcomings of the prior art, the applicant conducts research and improvement, and provides an arched elastic washer with a simple structure, which improves the stress on the screw and prolongs the service life. [0004] The technical scheme adopted in the present invention is as follows: [0005] An arch-shaped elastic gasket, including a plate-shaped body, the body is an arch-shaped structure, the middle part is cut and then bent upwards to form symmetrically arranged shrapnel, one...

Claims

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Application Information

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IPC IPC(8): F16B39/24
Inventor 孙毅刚
Owner WUXI ZHANGJINGYU STEEL MACHINERY PLANT