UNIVERSAL PNEUMATIC COUPLING

WIPO Patent Application WO/2023/123332

A1

A universal pneumatic coupling, characterized by: comprising an inner core, an insertion core and a sealing ring; a first air channel being provided on the insertion core; one end of the insertion core being a ball end, and the other end of the insertion core being a quick plug; a second air channel being provided on the inner core; one end of the inner core being provided with a threaded connection end, the other end of the inner core being provided with a ball cavity, a stepped platform being provided in the ball cavity, and the stepped platform being located above 1/2 of the height of the ball cavity; the sealing ring being installed on the stepped platform; the ball end completely entering the ball cavity to put the first air channel and the second air channel in communication; and the cavity wall of the ball cavity being gathered towards the ball end to cover the ball end, so that the sealing ring is pressed onto the ball end. The present structure uses two connecting pieces to implement a pneumatic coupling having a simple structure. It is convenient to use, there is no need for an additional assembly in the connection of pipelines, and there is no need to worry about reduced precision due to the assembly of multiple parts. It is flexible and reliable to use.

CAI SONGQING (CN)

PCT/CN2021/143619

July 06, 2023

December 31, 2021

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TAIZHOU CAISHI MACHINERY CO LTD (CN)

F16L27/06

CN208914036U	2019-05-31
CN208397495U	2019-01-18
CN210860207U	2020-06-26
CN208237294U	2018-12-14
CN201636467U	2010-11-17
CN212430092U	2021-01-29
CN112013184A	2020-12-01
JPH09273681A	1997-10-21
US20070296210A1	2007-12-27

HANGZHOU HANGXIN INTELLECTUAL PROPERTY AGENCY (GENERAL PARTNERSHIP) (CN)

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