JPS59102561U

JPS59102561U - hydraulic control valve

Info

Publication number: JPS59102561U
Application number: JP20261682U
Authority: JP
Inventors: 山家　輝雄
Original assignee: 株式会社ナブコ
Priority date: 1982-12-27
Filing date: 1982-12-27
Publication date: 1984-07-10
Also published as: JPH0232535Y2

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

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

第１図は、本考案の一実施例である２系統用液圧制御弁
を示す正断面図、第２図は、第１１図に示すスリーブの
平面図、第３図は、第１図に示すスリーブの正面図であ
る。１・・・２系統用液圧制御弁、９．９′・・・プランジ
ャ、１５．１５’・・・スリーブ、２８．２８’・・・
通路。Fig. 1 is a front sectional view showing a two-system hydraulic control valve which is an embodiment of the present invention, Fig. 2 is a plan view of the sleeve shown in Fig. 11, and Fig. 3 is the same as Fig. 1. FIG. 3 is a front view of the illustrated sleeve. 1... Hydraulic pressure control valve for two systems, 9.9'... Plunger, 15.15'... Sleeve, 28.28'...
aisle.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

段部を介して連設した小孔部と大孔部とを有する段付孔
を形成した本体と、前記段部により支持して配置した環
状の密封部材と、該密封部材に遊嵌して前記段付孔内に
移動可能に配置したプランジャと、該プランジャを前記
小孔部側に付勢する予負荷ばねと、前記大孔部内に形成
される入口室に連通して設けた入口と、前記小孔部内に
形成される出口室に連通して設けた出口と、前記密封部
材の前記小孔部側に対向して前記プランジャに設けられ
、この密封部材とともに前記入口室と出口室との連通を
遮断可能な弁を形成するシール部とを備え、前記入口室
に対する有効受圧面積を前記出口室のもの以下とした液
圧制御弁において、前記プランジャの前記小孔部側端部
の外周に、当該プランジャの摺動を案内し、軸方向両端
側を連絡する通路を設けたスリーブを配設した液圧制御
弁。A main body having a stepped hole having a small hole and a large hole connected to each other via a step, an annular sealing member disposed supported by the step, and a ring-shaped sealing member loosely fitted in the sealing member. a plunger movably disposed within the stepped hole; a preload spring biasing the plunger toward the small hole; and an inlet communicating with an entrance chamber formed within the large hole; an outlet provided in communication with an exit chamber formed in the small hole, and an outlet provided in the plunger opposite to the small hole side of the sealing member, which connects the inlet chamber and the exit chamber together with the sealing member. and a seal portion forming a valve capable of cutting off communication, the hydraulic pressure control valve having an effective pressure receiving area for the inlet chamber equal to or less than that of the outlet chamber, the outer periphery of the end of the plunger on the side of the small hole. , a hydraulic control valve equipped with a sleeve that guides the sliding movement of the plunger and has a passage that connects both ends in the axial direction.