JPS6043462U

JPS6043462U - Load responsive fluid pressure control valve

Info

Publication number: JPS6043462U
Application number: JP13287083U
Authority: JP
Inventors: 佐藤　高平
Original assignee: 株式会社ナブコ
Priority date: 1983-08-27
Filing date: 1983-08-27
Publication date: 1985-03-27

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図は本考案の実施例による荷重応動流体圧力制御弁
の縦断面図、及び第２図は第１図においてダイヤフラ、
ムを省略して示す■−■線方向断面図である。なお図において、１・・・・・・荷重応動流体圧力制御
弁、６・・・・・・ダイヤフラム、８・・・・・・バル
ブピストン、１１・・・・・・入口室、１２・・・・・
・入口接続孔、１５・・・・・・可動側突出部、１７・
・・・・・固定側突出部、１８・・・・・・給排弁、２
０・・・・・・弁体、２２・・・・・・ゴム弁部材、２
７・・・・・・弁座、２９・・・・・・出口室、３１・
・・・・・出口接続口、３２・・・・・・中空プランジ
ャ、３２ａ・・・・・・先端部（弁座）、３３Ｌ・・・
・・通路、３７・・・・・・排気孔、４０・・・・・・
荷重応動アーム、４３・・・・・・荷重応動レバー、４
５・・・・・・ピストン、４６・・・・・・ハネ、８０
・・・・・・調整ピストン、８２・・・・・・調整ねじ
。FIG. 1 is a longitudinal sectional view of a load-responsive fluid pressure control valve according to an embodiment of the present invention, and FIG. 2 is a diaphragm in FIG.
FIG. 3 is a cross-sectional view along the line ■-■ with the frame omitted. In the figure, 1...Load-responsive fluid pressure control valve, 6...Diaphragm, 8...Valve piston, 11...Inlet chamber, 12... ...
・Inlet connection hole, 15...Movable side protrusion, 17.
... Fixed side protrusion, 18 ... Supply and discharge valve, 2
0... Valve body, 22... Rubber valve member, 2
7... Valve seat, 29... Outlet chamber, 31...
...Outlet connection port, 32...Hollow plunger, 32a...Tip (valve seat), 33L...
...Passage, 37...Exhaust hole, 40...
Load-responsive arm, 43...Load-responsive lever, 4
5... Piston, 46... Hane, 80
...adjustment piston, 82 ...adjustment screw.

Claims

[Scope of utility model registration request]

a movable body that receives the pressure of the inlet chamber with a constant area portion on one end side and receives the pressure of the outlet chamber with a variable area portion on the other end side;
A hole provided in the movable body to communicate the inlet chamber and the outlet chamber,
a valve member movably inserted into the hole and urged toward the outlet chamber side by a valve spring; a supply valve seat provided on the inner wall of the hole opposite to the outlet chamber side of the valve member; a plunger movably provided facing the outlet chamber side of the valve member; an exhaust passage provided in the plunger that communicates the outlet chamber with outside air; and an exhaust valve seat on which the valve member can sit to close this passage. a spring that urges the plunger toward the valve member; and a lever that is connected to a mechanism for detecting load fluctuations on the vehicle on one hand and swingably connected to the plunger on the other hand. A load-responsive fluid pressure control valve comprising an adjustment device that can adjust the biasing force of the spring from the outside.