JPH0281980U

JPH0281980U -

Info

Publication number: JPH0281980U
Application number: JP16138588U
Authority: JP
Priority date: 1988-12-13
Filing date: 1988-12-13
Publication date: 1990-06-25

Description

[Brief explanation of drawings]

第１図は本考案の一実施例である方向制御弁を
示す第３図の−線に沿う断面図、第２図は同
じく要部を示す一部断面斜視図、第３図はその縦
断面図、第４図は開弁状態を説明するための部分
縦断面図、第５図は第３図の−線に沿う拡大
部分断面図、第６図は第１弁体の固定状態を示す
拡大部分断面図である。１０……電磁式方向制御弁、１１……ケース、
１２……弁箱、１５……ボビン、１６……コイル
、１７……コア、１８……アーマチユア、２０…
…スプリング、２４……入口ポート、２５……第
１出口ポート、２６……第２出口ポート、２７…
…流体通路、２７Ａ……渦巻流路、２８……第１
弁座、２９……第１弁口、３０……第２弁座、３
１……第２弁口、３２……分岐通路、３３……第
１弁体、３４……弁本体、３５……シールリング
、３６……第１弁軸、３７……連結部材、３８…
…摺動室、３９……第２弁軸、４０，４１……連
通孔、４２……ストツパ、４３……リング、４４
……第２弁体、４５……弁本体、４６……シール
リング、４７……スプリング。 Fig. 1 is a sectional view taken along the - line in Fig. 3 showing a directional control valve that is an embodiment of the present invention, Fig. 2 is a partially sectional perspective view showing the main parts, and Fig. 3 is a longitudinal section thereof. Figure 4 is a partial vertical cross-sectional view for explaining the valve open state, Figure 5 is an enlarged partial cross-sectional view taken along the - line in Figure 3, and Figure 6 is an enlarged view showing the fixed state of the first valve body. FIG. 10...Solenoid directional control valve, 11...Case,
12... Valve box, 15... Bobbin, 16... Coil, 17... Core, 18... Armature, 20...
...Spring, 24...Inlet port, 25...First outlet port, 26...Second outlet port, 27...
...Fluid passage, 27A...Spiral flow path, 28...First
Valve seat, 29...First valve port, 30...Second valve seat, 3
DESCRIPTION OF SYMBOLS 1... Second valve port, 32... Branch passage, 33... First valve body, 34... Valve body, 35... Seal ring, 36... First valve shaft, 37... Connection member, 38...
...Sliding chamber, 39...Second valve stem, 40, 41...Communication hole, 42...Stopper, 43...Ring, 44
...Second valve body, 45...Valve body, 46...Seal ring, 47...Spring.

Claims

[Scope of utility model registration request]

a fluid passage connecting the inlet port and the outlet port;
A valve port opened in the middle of this fluid passage, a valve seat formed to surround this valve port,
In the directional control valve, the directional control valve includes a valve body that is seated on and off the valve seat to open and close the valve port, and a spiral flow path is provided in an inlet port side region of the valve port in the fluid passage with respect to the valve port. A directional control valve configured to allow fluid to flow in a spiral laminar flow.