Title:
CONNECTION STRUCTURE FOR VALVE AND JOINT IN AIR PIPING
Document Type and Number:
WIPO Patent Application WO/2016/067773
Kind Code:
A1
Abstract:
Provided is a connection structure for connecting a housing 2 for a valve to a joint 1 via a tube. At least one of the housing 2 for a valve and the joint 1 comprises a resin. The housing 2 for a valve has formed therein: a connection hole 22 for inserting and connecting the joint 1; and a pin insertion hole 25 bored from the outer surface of the housing 2 in a direction orthogonal to the axial direction of the connection hole 22 so as to pass through the connection hole 22. An annular groove 3 is formed on the outer circumferential surface of the joint 1 in the circumferential direction. A pin 5 is inserted from the pin insertion hole 25 on the outer surface of the housing 2 while the joint 1 is inserted in the housing 2. The pin 5 passes through the interior of the annular groove 3 provided to the joint 1 and locks to the joint 1.
Inventors:
TANIGUCHI YASUAKI (JP)
Application Number:
PCT/JP2015/076032
Publication Date:
May 06, 2016
Filing Date:
September 14, 2015
Export Citation:
Assignee:
NITTA CORP (JP)
International Classes:
F16L37/12; F16K27/00; F16L27/08; F16L43/02
Foreign References:
| JPH03397U | 1991-01-07 | |||
| JPS5128857B1 | 1976-08-21 | |||
| JP2003525414A | 2003-08-26 | |||
| US3538940A | 1970-11-10 |
Attorney, Agent or Firm:
FUKAI, Toshikazu (JP)
Toshikazu Fukai (JP)
Toshikazu Fukai (JP)
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