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Protective gasket

A gasket and body technology, applied in the field of protective gaskets, can solve the problems of damaged bolts and affecting the fixing effect, etc.

Inactive Publication Date: 2013-11-20
苏州市正步机器制造有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Washers are usually placed between the bolts or screws and the connected parts to reduce the wear on the surface of the connected parts. Usually the bolt heads are exposed. For example, the bolts on the construction site are often damaged by external forces and even affect the fixed effect

Method used

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Embodiment Construction

[0011] The present invention is described below in conjunction with accompanying drawing.

[0012] attached figure 1 It is a protective gasket according to the present invention, which includes a gasket body 1; the outer side of the gasket body 1 is an annular conical surface whose upper surface radius is smaller than the lower surface radius; the center of the gasket body 1 is provided with a counterbore 2 and through hole 3.

[0013] Such as figure 2 As shown, during installation, the screw 4 passes through the counterbore 2 and the through hole 3 of the washer body 1, and enters the central hole of the connected part 5 and the threaded hole of the fixing part 6; the head of the screw 4 enters the counterbore 2 in.

[0014] Due to the application of the above-mentioned technical solution, the present invention has the following advantages compared with the prior art:

[0015] In the protective washer of the present invention, the outer surface of the washer body 1 forms...

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Abstract

The invention discloses a protective gasket which comprises a gasket body. An annular conical surface with the radius of the upper surface smaller than the radius of the lower surface is arranged at the outer side of the gasket body. A counterbore and a through hole are formed in the center of the gasket body. According to the protective gasket, due to the fact that the outer surface of the gasket body forms a conical surface and the head of a bolt is arranged in the counterbore of the gasket body during installation, when the protective gasket is impacted by external force, the conical surface can scatter the external force, and therefore impaction of the external force to the head of the bolt is reduced.

Description

technical field [0001] The invention relates to a washer, in particular to a protective washer which can protect bolts and screws. Background technique [0002] Washers are usually placed between the bolts or screws and the connected parts to reduce the wear on the surface of the connected parts. Usually the bolt heads are exposed. For example, the bolts on the construction site are often damaged by external forces and even affect the fixed effect. Contents of the invention [0003] In view of the above-mentioned technical problems, the object of the present invention is: a protective washer that can protect bolts and screws. [0004] The technical solution of the present invention is achieved in the following way: a kind of protective gasket includes a gasket body; the outer side of the gasket body is an annular conical surface whose upper surface radius is smaller than the lower surface radius; the center of the gasket body is provided with a counterbore and through ho...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B43/00F16B41/00
Inventor 许重瑾
Owner 苏州市正步机器制造有限公司