JPH0281438U

JPH0281438U -

Info

Publication number: JPH0281438U
Application number: JP16094488U
Authority: JP
Priority date: 1988-12-12
Filing date: 1988-12-12
Publication date: 1990-06-22

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す縦断面図、第
２図は従来例の縦断面図である。１０，５０……ケース、１１，５５……流体入
口、１３，５１……ホルダー、１４，５９……ア
ダプタ、１５，６０……ロツド、１６，５８……
流体出口、１７，５７……流体通路、１８……隔
壁、１９，５４……弁口、２０，５６……フイル
タ、２１……フランジ、２２，５２……ベローズ
、２３，５３……バルブ、２４……ガイド穴、２
５……ガイドピン。 FIG. 1 is a longitudinal sectional view showing an embodiment of the present invention, and FIG. 2 is a longitudinal sectional view of a conventional example. 10,50...Case, 11,55...Fluid inlet, 13,51...Holder, 14,59...Adapter, 15,60...Rod, 16,58...
Fluid outlet, 17, 57...fluid passage, 18... partition, 19, 54... valve port, 20, 56... filter, 21... flange, 22, 52... bellows, 23, 53... valve, 24...Guide hole, 2
5...Guide pin.

Claims

[Scope of utility model registration request]

a container that forms a fluid passage connecting a fluid inlet and a fluid outlet, and has a partition wall that forms a valve port in the middle of the fluid passage; and a container that is inserted into the fluid passage between the fluid inlet and the valve port of the container; a bellows that expands and contracts in accordance with the pressure difference between fluids on the upstream and downstream sides of the valve port; a valve body that is fixed to the bellows and opens the valve port when the bellows contracts and closes the valve port when the bellows expands; and the container. a rod provided opposite to the valve port in the fluid passage between the valve port and the fluid outlet;
A guide hole is formed in the valve body and extends along the axial direction from the end face on the valve port side, and a guide pin is provided at the tip of the rod and is inserted into the valve port and extends in the axial direction of the valve body. , a pressure sensor characterized in that the guide pin is inserted into a guide hole of a valve body.