JPS626577U

JPS626577U -

Info

Publication number: JPS626577U
Application number: JP9729785U
Authority: JP
Priority date: 1985-06-26
Filing date: 1985-06-26
Publication date: 1987-01-16

Description

[Brief explanation of the drawing]

第１図は従前の電磁弁の縦断正面図、第２図は
同上の開弁状態の縦断正面図、第３図は本考案に
よる電磁弁の縦断正面図、第４図は同上の要部の
縦断正面図、第５図は同上の要部の作用の説明図
である。図面符号の説明、Ａ……電磁弁、ａ……弁箱、
ｂ，ｃ……定流量弁、ｙ……パイロツト流路、ｗ
……ダイヤフラム室、１ａ……主体部、１ｂ……
蓋部、１０……流入口、１１……流出口、１２，
１３……流路、１４……隔壁、１５……弁座、１
６……開閉弁、１７……ダイヤフラム、１７ａ…
…バネ、１８，１９……連通口、２……電磁石、
２０……可動鉄芯、２１……パイロツト弁、２２
……パイロツト弁座、２３……コイル、２４……
バネ、３０……透孔。 Fig. 1 is a longitudinal sectional front view of a conventional solenoid valve, Fig. 2 is a longitudinal sectional front view of the same valve in the open state, Fig. 3 is a longitudinal sectional front view of the solenoid valve according to the present invention, and Fig. 4 is a longitudinal sectional front view of the same solenoid valve in the open state. The vertical sectional front view and FIG. 5 are explanatory diagrams of the functions of the main parts of the same. Explanation of drawing symbols, A...Solenoid valve, a...Valve box,
b, c...constant flow valve, y...pilot flow path, w
...Diaphragm chamber, 1a...Main part, 1b...
Lid portion, 10...Inflow port, 11...Outflow port, 12,
13...Flow path, 14...Partition wall, 15...Valve seat, 1
6...Opening/closing valve, 17...Diaphragm, 17a...
...Spring, 18, 19...Communication port, 2...Electromagnet,
20...Movable iron core, 21...Pilot valve, 22
...Pilot valve seat, 23...Coil, 24...
Spring, 30...through hole.

Claims

[Scope of utility model registration request]

The communication ports 18 and 19 open to the flow path 12 on the inflow port 10 side and the flow path 13 on the outflow port 11 side, respectively,
A pilot valve 21 that is opened and closed by an electromagnet 2 is provided in a pilot flow path y formed in a bypass shape that straddles an on-off valve 16 supported by a diaphragm 17, and a side of the pilot flow path y from the pilot valve 21 to the inlet 10 is In a solenoid valve that communicates with the inside of a diaphragm chamber w partitioned by a diaphragm 17 that supports the on-off valve 16, a communication port 18 and an outflow port that communicate with the flow path 12 on the inlet 10 side of the pilot flow path y. A solenoid valve in which constant flow valves b and c are respectively provided in a communication port 19 that communicates with a flow path 13 on the 11 side.