An anti-pull plug connector

Abstract

The invention discloses an anti-pulling plug pin joint which comprises a connection pin, a connection plate and an elastic fastener, wherein a first connection structure is arranged at one end of the connection pin, and a second connection structure is arranged at the other end of the connection pin; the second connection structure comprises unidirectional locking teeth formed on the side surface of the connection pin; the connection plate consists of at least three flakeboards which are spliced; the at least three flakeboards are spliced to form splicing wires and a connection hole; the splicing wires extend along the radial direction of the connection pin; the connection hole is provided with a unidirectional locking hole matched with the unidirectional locking teeth; a sinking slot is formed in the outer side surface of each flakeboard; the elastic fastener is annular and buckled on the sinking slot of each flakeboard to elastically limit the at least three flakeboards to assemble the connection plate. Compared with the prior art, the anti-pulling plug pin joint disclosed by the invention has the advantages that due to the connection relation of the unidirectional locking teeth, the at least three flakeboards and the elastic fastener, the anti-pulling plug pin joint is convenient to assemble and good in effect of resisting pulling.

Description

technical field [0001] The invention relates to the field of connecting joints, in particular to an anti-pull pin joint, which can be applied in the field of connecting pipe piles. Background technique [0002] With the development of reform and opening up and economic construction, concrete pipe piles began to be widely used in railway systems, and expanded to industrial and civil construction, municipal, metallurgy, ports, highways and other fields. In the Yangtze River Delta and Pearl River Delta regions, due to the geological conditions suitable for the use of pipe piles, the demand for pipe piles has soared, thus rapidly forming a new industry. [0003] The connection between adjacent pipe piles needs to be connected by connecting joints. At present, the traditional connecting joints are generally directly connected by threads, which is relatively poor in pull-out resistance; although other manufacturers currently use other pull-out structures, but in It is still insuf...

AI Technical Summary

Problems solved by technology

[0003] The connection between adjacent pipe piles needs to be realized by connecting joints. At present, the traditional connecting joints generally use threaded connections directly, which is relatively poor in pull-out resistance; although other manufacturers also use other pull-out structures, but in Practical application is still insufficient

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