Title:
弁装置とこれを用いた減圧弁
Document Type and Number:
Japanese Patent JP7349739
Kind Code:
B2
Abstract:
To provide a valve gear for allowing the maintenance of a valve without disassembling the gear, and a pressure reduction valve using the same.SOLUTION: A valve gear 34 includes: a valve element 32 for opening/closing a space between an inflow path 62 and an outflow path 68 for fluid S; a first spring body 44 for seating the valve element 32 on a valve seat 40 with spring force; a shaft member 42 for pressing the valve element 32 in a valve opening direction to separate it from the valve seat 40; and a valve replacement unit 80 for removing the valve element 32 in use and installing a new valve element 32 on a usage position. The valve replacement unit 80 has: a plurality of valve element storage parts 82 for storing the valve elements 32 and the first spring body 44; and a valve element switching mechanism 84 for switching the valve element storage part 82 and moving the valve element 32 to the usage position.SELECTED DRAWING: Figure 5
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Inventors:
Yukio Kitamura
Application Number:
JP2021018718A
Publication Date:
September 25, 2023
Filing Date:
February 09, 2021
Export Citation:
Assignee:
Miyawaki Co., Ltd.
International Classes:
F16K51/00; F16K43/00; G05D16/16
Domestic Patent References:
| JP1173808U | ||||
| JP2013002591A |
Foreign References:
| CN111720558A |
Attorney, Agent or Firm:
Shuji Sugimoto
Takero Tsutsumi
Daisuke Kaneko
Kenichi Nakata
Takero Tsutsumi
Daisuke Kaneko
Kenichi Nakata