JPS6090054U

JPS6090054U - Load responsive hydraulic control valve

Info

Publication number: JPS6090054U
Application number: JP18328783U
Authority: JP
Inventors: 淳一藤本
Original assignee: リズム自動車部品製造株式会社
Priority date: 1983-11-28
Filing date: 1983-11-28
Publication date: 1985-06-20

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１図は本考案者等がすでに提案している荷重応答型液
圧制御弁の一例を示した断面図、第２図は第１図の側面
図、第３図は本考案の一実施例を示した断面図、第４図
は第３図のバルブ手段を取り出して示した拡大断面図、
第５図は第４図の■−■断面図である。１：ハウジング、２：制御ピストン、３：ポペント弁、
４ニスプリング、５ニアクチユニータビストン、６：弁
座、７：慣性弁、８：差圧弁、８ａ：内部シール、９：
昇圧感知ピストン、９ａ：大径部、１０：差圧設定スプ
リング、１２ニオリフイス、１３，１４：液供給路、１
５：連通路、１８：ダミーピストン、１９．２０：カッ
プシール、２２：バルブ手段、２３ニオリフイス形成部
材、２４：弁室、２５：弁座、２６：バルブスプリング
、２７：ボール弁。Figure 1 is a sectional view showing an example of a load-responsive hydraulic control valve that the present inventors have already proposed, Figure 2 is a side view of Figure 1, and Figure 3 is an embodiment of the present invention. 4 is an enlarged sectional view showing the valve means of FIG. 3,
FIG. 5 is a sectional view taken along the line -■ in FIG. 4. 1: housing, 2: control piston, 3: popent valve,
4 spring, 5 near unit tabiston, 6: valve seat, 7: inertia valve, 8: differential pressure valve, 8a: internal seal, 9:
Pressure increase sensing piston, 9a: Large diameter part, 10: Differential pressure setting spring, 12 Niorifice, 13, 14: Liquid supply path, 1
5: communication passage, 18: dummy piston, 19.20: cup seal, 22: valve means, 23 niorifice forming member, 24: valve chamber, 25: valve seat, 26: valve spring, 27: ball valve.

Claims

[Claim for Utility Model Registration] A fluid supply path to an actuator piston that sets the pressure reduction start point of a fluid pressure control mechanism is integrally equipped with an inertia valve that closes the flow path when a set deceleration is obtained, and a differential pressure valve. A pressure increase sensing piston is provided, and an orifice is formed in the large diameter portion of the pressure increase sensing piston to generate a pressure difference corresponding to the rate of increase in mask liquid pressure. In the load-responsive hydraulic pressure control valve that communicates with the dummy piston to be pressed, 1, the valve opens in series with the orifice provided in the large diameter part of the pressure increase sensing piston, and opens when the mask liquid pressure increases, and forms an orifice flow path when the pressure decreases. A load-responsive hydraulic pressure control valve, further comprising a valve means for limiting a drop in hydraulic pressure on the dummy piston side.