A blind rivet

A technology of blind rivets and nail sleeves, which is applied in the direction of rivets, screws, connecting components, etc., which can solve the problems of easy falling off of the lock ring and failure of the lock ring installation, and achieve the effect of simple accessories, improved reliability, and fewer parts

Active Publication Date: 2021-03-09
AEROSPACE PRECISION PROD INC LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when these blind rivets are installed, the lock ring has the risk of installation failure, and the lock ring is relatively easy to fall off

Method used

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  • A blind rivet
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Examples

Experimental program
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Embodiment Construction

[0027] The present invention will be described in detail below with reference to the accompanying drawings.

[0028] The structure created by the present invention is as figure 1 As shown, it includes a core rod 1, a nail sleeve 2, a lock ring 3, an anvil piece 4 and a pipe body 5; The lock ring groove 12 of the lock ring 3 is provided with a clamping section 14 at the tail; the lock ring groove 12 is located between the limiting platform 11 and the broken neck groove 13; the nail sleeve 2 and the pipe body 5 are set on Above the core rod 1, the tail of the tube body 5 can be limited by the limit platform 11 of the core rod 1, and the tail of the nail sleeve 2 can be limited by the head of the tube body 5; After the tube body 5 and the nail sleeve 2 are sequentially limited by the limiting platform 11, the broken neck groove 13 is located inside the nail sleeve 2; the lock ring 3 is set on the lock ring groove 12 of the mandrel 1 and The lock ring groove 12 and the nail slee...

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PUM

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Abstract

The invention provides a blind rivet, which includes a mandrel, a nail sleeve, a lock ring, an anvil and a tube body; The lock ring groove of the lock ring has a clamping section at the tail; the lock ring groove is located between the limit platform and the broken neck groove; the nail sleeve and the pipe body are set on the core rod, and the The tail of the pipe body can be limited by the limit platform of the core rod, the tail of the nail sleeve can be limited by the head of the pipe body, and the broken neck groove is located inside the nail sleeve; the lock The ring is set on the lock ring groove of the mandrel and fits with the lock ring groove and the nail sleeve respectively. The lock ring is made of plastically deformable material; the anvil is set on the mandrel and positioned on the nail One side of the sleeve facing the clamping section; the anvil piece has an overlapping surface with the nail sleeve and the locking ring in a direction perpendicular to the axial direction. The invention can solve the problem that the lock ring is easy to fail in installation and easy to fall off.

Description

technical field [0001] The invention relates to the field of fasteners, in particular to a blind rivet with a built-in lock ring. Background technique [0002] Blind rivets are fasteners that can be installed on one side and are widely used in the connection of aerospace vehicles. Blind rivets can be used for the connection of metal materials, and there are also blind rivets specially designed for the connection of composite materials, which can withstand large tensile and shear forces. Blind rivets are widely used in single-sided installation, maintenance and other occasions. General aerospace blind rivets are composed of mandrel, nail sleeve and lock ring and other accessory parts. After the mandrel and nail sleeve are installed and riveted in place, the locking is completed by pushing the external lock ring into the locking groove. However, when these blind rivets are installed, the lock rings have the risk of installation failure, and the lock rings are relatively easy ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16B19/10
CPCF16B19/10F16B2019/1009F16B19/1054
Inventor 张晓斌甘美卢颖郗建豪贾晓娇齐跃张晓玲郭双双
Owner AEROSPACE PRECISION PROD INC LTD
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