CONNECTION STRUCTURE FOR VALVE AND JOINT IN AIR PIPING

Title:

CONNECTION STRUCTURE FOR VALVE AND JOINT IN AIR PIPING

Document Type and Number:

WIPO Patent Application WO/2016/067774

Kind Code:

A1

Abstract:

Provided is a connection structure for a valve and a joint, said connection structure being used in air piping to connect a tube to a housing 2 for the valve via a joint 1. A connection hole 22 for accommodating and connecting the joint 1 is formed in the housing 2 for the valve. A cylindrical section 21 to which the tip of the tube is mounted is formed within the connection hole 22. The joint 1 is provided with: a tube seal 11; a back ring 13 provided with a lock ring 12 comprising a claw 121 for preventing the tube from falling out; a release ring 14; and a cylindrical cap 15. The joint 1 is press-fit into the connection hole in the housing 2.

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Inventors:

TANIGUCHI YASUAKI (JP)

Application Number:

PCT/JP2015/076033

Publication Date:

May 06, 2016

Filing Date:

September 14, 2015

Export Citation:

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Assignee:

NITTA CORP (JP)

International Classes:

F16L37/12; F16K27/00; F16L21/08

Foreign References:

JP2004514851A	2004-05-20
JPH07269767A	1995-10-20
JPH0399295U	1991-10-16
US5174611A	1992-12-29

Other References: