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Principles of Standards Pneumatic Quick Couplings

Views:3     Author:Site Editor     Publish Time: 2019-06-11      Origin:Site

IMG_20180917_115915 拷贝

Standards are aimed at the defects and deficiencies of the prior art, and provide a pneumatic quick coupling with convenient and quick operation and low gas pressure loss.


The pneumatic quick coupling comprises a female connector connected to the air inlet pipe and a male connector connected to the air outlet pipe, and a locking sleeve is fixedly mounted on the air outlet end of the female connector, and is installed in the inner hole of the female connector and the locking sleeve a check valve spool having an exhaust passage, the intake end of the male connector extending into the inner bore of the lock sleeve and communicating with the exhaust passage of the check spool, characterized by the lock sleeve and the female connector a guiding sleeve is interposed between the inner walls, and the check valve core is inserted through the inner hole of the guiding sleeve, and a spool spring is supported between the rear end of the guiding sleeve and the side wall convex ring of the check valve core, and the check is stopped. The head of the valve core is closed and conical, opposite to the intake direction of the female connector, and a sealing ring groove is formed at the outer circumference of the check valve core head, and a 0-type sealing ring is embedded therein, and the check is The front side wall of the valve core is provided with an air inlet hole communicating with the check valve core exhaust passage, and the check valve core is moved forward to the air inlet hole to communicate with the inner hole of the female connector, and then moved to the 0 type seal ring sliding guide The inner hole of the sleeve. The inner wall of the guiding sleeve is provided with a groove, and a Y-shaped sealing ring is embedded therein.


The inner wall of the locking sleeve is provided with a step opposite to the side wall convex ring of the check valve core.


The inner wall of the exhaust passage of the check valve core is provided with a groove, and a sealing ring is embedded therein, and an inner diameter of the exhaust passage on the front side of the seal ring is smaller than an outer diameter of the intake end of the male connector.


The side wall of the locking sleeve is embedded with a ring of steel balls, and the side wall of the rear side of the inlet end of the male connector is provided with a locking groove opposite to the steel ball, and both sides of the locking groove are inclined surfaces in the locking sleeve The outer wall movable suit has a jacket lock, and the inner wall of the jacket lock abuts against the outer side of the steel ball, and a jacket lock spring is supported between the front end of the outer casing lock and the female connector.


The check valve spool is moved back to the side wall of the tail to abut against the inner side of the steel ball.


Standards pneumatic quick coupling can realize fast opening and closing of air pipe lines, and have a non-return function to prevent air leakage. It has the advantages of less air pressure loss and convenient and quick operation of on and off.

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