JPS61126159U

JPS61126159U -

Info

Publication number: JPS61126159U
Application number: JP1084485U
Authority: JP
Priority date: 1985-01-28
Filing date: 1985-01-28
Publication date: 1986-08-08

Description

[Brief explanation of the drawing]

第１図はこの考案に係る逆止弁付流量制御弁の
一実施例の正面断面図、第２図は第１図の逆止弁
付流量制御弁を使用した配管の一例を示す外観図
、第３図は従来の逆止弁付流量制御弁を使用した
場合の配管図、第４図は従来の逆止弁付流量制御
弁を使用した配管の一例を示す外観図である。２……電磁切換弁、Ａ……切換弁のＡポート、
１１……ハウジング、１３……流路、１４……弁
座、１５……スチールボール（弁体）、１６……
圧縮コイルスプリング（付勢手段）、１８……バ
イパス流路、２０……逆止弁付流量制御弁。 FIG. 1 is a front sectional view of an embodiment of the flow control valve with check valve according to this invention, and FIG. 2 is an external view showing an example of piping using the flow control valve with check valve of FIG. FIG. 3 is a piping diagram using a conventional flow control valve with a check valve, and FIG. 4 is an external view showing an example of piping using a conventional flow control valve with a check valve. 2...Solenoid switching valve, A...A port of switching valve,
11...Housing, 13...Flow path, 14...Valve seat, 15...Steel ball (valve body), 16...
Compression coil spring (biasing means), 18...bypass passage, 20...flow control valve with check valve.

Claims

[Scope of utility model registration request]

A housing that can be assembled into a port of a switching valve;
A flow path provided in the housing, a valve seat provided in the flow path, a valve element that can be separated from one end of the flow path with respect to the valve seat, and a valve element provided in the flow path that is placed in a predetermined position on the valve seat. With a check valve characterized by comprising: an urging means for bringing pressure into contact with the valve seat portion of the flow path; and a bypass flow path that is provided in the housing in parallel with the valve seat portion of the flow path and has a narrower cross-sectional area than the flow path. Flow control valve.