Title:
CHECK VALVE
Document Type and Number:
Japanese Patent JP2015102139
Kind Code:
A
Abstract:
PROBLEM TO BE SOLVED: To provide a check valve capable of ensuring easy assembly work and preventing detachment of valve constituent components.SOLUTION: A check valve 10 includes: a valve casing 12 that is cylindrical, an interior of which constitutes a channel 14, that has one end 12A into which a port of a first connection target is inserted and the other end 12B to which a port of a second connection target is connected, and that communicates an interior of the first connection target with an interior of the second connection target via the channel 14; a valve seat 24 formed in the channel 14; a valve element 30 arranged in the channel 14, and closing the channel 14 by separably contacting the valve seat 24; a coil spring 40 arranged closer to the one end 12A of the valve casing 12 than the valve element 30 in the channel 14, and pressing the valve element 30 against the valve seat 24; and a stopper member 50 including a circulation part 56, inserted into the channel 14 from the one end 12A of the valve casing 12, and holding the valve element 30 and the coil spring 40 within the channel 14.
Inventors:
YAMAZAKI SHINJI
Application Number:
JP2013242293A
Publication Date:
June 04, 2015
Filing Date:
November 22, 2013
Export Citation:
Assignee:
SANOH IND CO LTD
International Classes:
F16K15/02; B60T15/36; B60T17/00; F04B37/14; F04B39/10
Attorney, Agent or Firm:
Atsushi Nakajima
Kato Kazunori
Hiroshi Fukuda
Kato Kazunori
Hiroshi Fukuda
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