JPS61188084U - - Google Patents

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案の実施例の開弁時における縦断
面図、第２図は第１図の拡大部分図、第３図は閉
弁動作時の縦断面部分図である。 １……入口、２……出口、３……主弁座、６…
…弁本体、７……主弁体、８……一次圧通路、１
０……電磁コイル、１３……プランジヤ、１４…
…極片、１５……背室、１６……パイロツト弁孔
、１７……パイロツト弁座、１８……パイロツト
弁体、２１……パイロツト弁。 FIG. 1 is a longitudinal cross-sectional view of an embodiment of the present invention when the valve is opened, FIG. 2 is an enlarged partial view of FIG. 1, and FIG. 3 is a partial vertical cross-sectional view when the valve is closed. 1...Inlet, 2...Outlet, 3...Main valve seat, 6...
... Valve body, 7 ... Main valve body, 8 ... Primary pressure passage, 1
0... Electromagnetic coil, 13... Plunger, 14...
... pole piece, 15 ... back chamber, 16 ... pilot valve hole, 17 ... pilot valve seat, 18 ... pilot valve body, 21 ... pilot valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 電磁コイルの中心にプランジヤと極片とが中心
軸線方向可動に配置されているとともに、弁本体
の入口と出口との間の主弁座に対向した主弁体が
前記極片に接して前記中心軸線上に配置され、前
記主弁体の背室と前記入口とを連通する一次圧通
路およびパイロツト弁座が主弁体に設けられ、且
つ前記パイロツト弁座に対向して配置され前記プ
ランジヤと一体に動作するパイロツト弁体が前記
極片に内蔵されている常開形電磁弁。 A plunger and a pole piece are disposed at the center of the electromagnetic coil so as to be movable in the direction of the center axis, and a main valve body facing the main valve seat between the inlet and outlet of the valve body is in contact with the pole piece and is movable in the center axis direction. A primary pressure passage and a pilot valve seat are provided on the main valve body and are arranged on the axis and communicate between the back chamber of the main valve body and the inlet, and are arranged opposite to the pilot valve seat and are integral with the plunger. A normally open solenoid valve in which a pilot valve element that operates is built into the pole piece.