Title:
空圧作動バルブ
Document Type and Number:
Japanese Patent JP6384246
Kind Code:
B2
Abstract:
Provided is a pneumatic valve (1) in which a seal member (13); a shaft (4) provided with a valve body (2) capable of abutting against the seal member (13); and a valve-actuating pressure chamber (21) that moves the shaft (4) in an axial direction to actuate the valve body (2) is provided within a valve casing (3). The shaft (4) has a first member (30) that receives pressure from the valve-actuating pressure chamber (21), and a second member (40) that includes the valve body (2) and is movable relative to the first member (30) in the axial direction. The pneumatic valve (1) further has a stopper (50) that is provided in a movement path of the first member (30), and a disc spring (51) that is sandwiched between the first member (30) and the second member (40), has elastic energy accumulated therein in a state where the first member (30) is in contact with the stopper (50), and presses the valve body (2) against the seal member (13).
Inventors:
Fair
Mori Hatsuo
Mori Hatsuo
Application Number:
JP2014203873A
Publication Date:
September 05, 2018
Filing Date:
October 02, 2014
Export Citation:
Assignee:
Ihi Co., Ltd.
International Classes:
F16K31/122; F16K1/00; F16K41/10
Domestic Patent References:
| JP2009535588A | ||||
| JP59101074U | ||||
| JP52151930A | ||||
| JP2006292266A | ||||
| JP9256916A | ||||
| JP11200959A |
Attorney, Agent or Firm:
Mitsuo Teramoto
Masatake Shiga
Hisanori Takahashi
Masatake Shiga
Hisanori Takahashi