JPH0383165U

JPH0383165U -

Info

Publication number: JPH0383165U
Application number: JP14557789U
Authority: JP
Priority date: 1989-12-18
Filing date: 1989-12-18
Publication date: 1991-08-23

Description

[Brief explanation of the drawing]

第１図は本考案の液圧制御弁の一実施例を示す
縦断面図、第２図は第１図の鎖線で示す部分の
拡大図、第３図は他の実施例を示す縦断面図、第
４図は第３図の鎖線で示す部分の拡大図である
。１……ハウジング、２……ピストン、３……入
力ポート、４……出力ポート、５……弁体、６…
…液通路、７……弾性部材、８……ダンパ室、１
１……ハウジング本体、１２……アダプタ、１３
……中間部、１４……大径部、１５……環状壁、
１６……小径部、１７……シール部材、１８……
中空室、１９……フランジ、２０……ストツパ、
２１……ばね、２２……切欠、２３……連通室、
２４……ばね受け、３１……凹部、３２……溝、
３３……シールリング、３４……傾斜面、３５…
…絞り部、３６……シール部材、４１……凹部、
４２……バツクアツプリング、４３……大径部、
４４……小径部。 Fig. 1 is a longitudinal cross-sectional view showing one embodiment of the hydraulic control valve of the present invention, Fig. 2 is an enlarged view of the portion indicated by the chain line in Fig. 1, and Fig. 3 is a longitudinal cross-sectional view showing another embodiment. , FIG. 4 is an enlarged view of the portion indicated by the chain line in FIG. 3. 1... Housing, 2... Piston, 3... Input port, 4... Output port, 5... Valve body, 6...
...Liquid passage, 7...Elastic member, 8...Damper chamber, 1
1...Housing body, 12...Adapter, 13
... middle part, 14 ... large diameter part, 15 ... annular wall,
16... Small diameter portion, 17... Seal member, 18...
Hollow chamber, 19... flange, 20... stopper,
21... Spring, 22... Notch, 23... Communication chamber,
24... Spring receiver, 31... Recess, 32... Groove,
33... Seal ring, 34... Inclined surface, 35...
...Aperture part, 36...Sealing member, 41...Recessed part,
42...Backup spring, 43...Large diameter part,
44...Small diameter section.

Claims

[Scope of utility model registration request]

Between the input port and the output port of the housing, a stepped piston whose diameter is larger on the output port side than on the input port side is movable back and forth between both ports and directed toward the output port by an elastic member. The piston is housed in a pressed and biased state, and the piston is provided with a liquid passage passing through the piston that communicates both ports, and the liquid passage can be closed between the input port of the housing and the tip of the small diameter portion of the piston. A stopper facing the piston urged by the elastic member is provided on the inner periphery of the housing, and before the piston reaches the stopper, the outer periphery of the flange on the outer periphery of the piston and the inner periphery of the housing are provided. A hydraulic control valve comprising: a concave portion defining a damper chamber between the flange and the flange;