Split one-way bolt fastener

A technology of one-way bolts and fasteners, which is applied in the direction of threaded fasteners, screws, connecting components, etc., can solve the problem that bolts cannot be fastened, and achieve the effect of simple installation work

Inactive Publication Date: 2007-10-10
TSINGHUA UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In order to overcome the deficiency that existing bolts cannot be fastened from one side, the present invention provides a split bolt fastener capable of one-way fastening from one side and an assembly method thereof

Method used

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  • Split one-way bolt fastener
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Embodiment Construction

[0013] Below in conjunction with accompanying drawing, technical scheme of the present invention is described further:

[0014] In order to solve the one-way assembly problem, the technical solution adopted by the present invention is: change the ordinary bolt to be composed of three parts, two side rod bodies and a middle rod body, and the three parts can be composed into a bolt as a whole. The cross-sectional outer contours of the shaft parts of the two side rods are guaranteed to have a section of inferior arc, and the curved surface section is threaded. The main function of the middle rod body is to prevent the side rod body from falling off. The cross-sectional profile of the middle rod body is guaranteed to have two inferior arcs. The curved surface section is also threaded to prevent the middle rod body from being pulled out. When the two side rod bodies and the middle rod body are combined, the cross-section of the formed bolt body is circular, and the curved surface i...

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PUM

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Abstract

The present invention relates to a body-separated type one-way bolt fastener, belonging to the field of mechanical assembly technology. Said bolt body is composed of three portions, including two side bar bodies and one intermediate bar body, said three portions can be combined into a bolt whole body. The outer profile of cross-section of main body portion of every side bar body is equipped with a section of minor arc, said curved face has screw threads. Said intermediate bar body is mainly used for preventing side bar body from falling and has anti-drawing measure. When two side bar bodies and intermediate bar body are combined together, the cross-section of combined bolt whole body is circular, and its curved surface has screw threads, so that when said three portions are combined into a bolt whole body, said bolt whole body can be fixed by using general nut.

Description

field of invention [0001] The invention relates to a split bolt fastener capable of unidirectional fastening from one side, and belongs to the technical field of mechanical assembly. Background technique [0002] Common bolt fasteners generally consist of nuts and screws. When installing, you need to clamp the nut or nut on one side, and tighten the nut or nut with a wrench from the other side. Usually the installer has access to both sides of the fastened object, but for special applications, such as closed tubular structures or structures where one end is not easily accessible, the use of ordinary bolts is greatly limited. Contents of the invention [0003] In order to overcome the disadvantage that existing bolts cannot be fastened from one side, the present invention provides a split bolt fastener capable of one-way fastening from one side and an assembly method thereof. The fastener can be conveniently assembled in one direction, and its size can refer to existing c...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16B35/00
Inventor 李威韩林海
Owner TSINGHUA UNIV
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