JPS60167207U - fluid control device - Google Patents

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) [Abstract] 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 the drawing]

第１図〜第３図は従来技術に係り、第１図及び第２図は
電磁切換バルブの構造を示す断面図、第３図はサーボバ
ルブの構造を示す断面図、第４図〜第７図はこの考案の
一実施例！ビ係り、第４図はサーボバルブの構造を示す
断面図、第５図及び第６図は作用説明図、第７図は、第
４図のサーボバルブによる位置サーボシステムのタイム
チャート、第８図〜第１０図はこの考案を車両に適用し
た場合の一実施例に係り、第８図は後輪の操舵装置を示
す概略図、第９図はサーボバルブのＰＷＭ制御構成図、
第１０図はパワーシリンダの変位制御例を示すタイムチ
ャートである。 １Ｏ−１７Ｘう ２５Figures 1 to 3 relate to the prior art, Figures 1 and 2 are cross-sectional views showing the structure of an electromagnetic switching valve, Figure 3 is a cross-sectional view showing the structure of a servo valve, and Figures 4 to 7. The figure shows an example of this idea! Fig. 4 is a sectional view showing the structure of the servo valve, Figs. 5 and 6 are explanatory diagrams of the operation, Fig. 7 is a time chart of the position servo system using the servo valve of Fig. 4, and Fig. 8 - Fig. 10 relates to an embodiment in which this invention is applied to a vehicle, Fig. 8 is a schematic diagram showing a rear wheel steering device, Fig. 9 is a PWM control configuration diagram of a servo valve,
FIG. 10 is a time chart showing an example of displacement control of the power cylinder. 1O-17X U25

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 左右へ移動可能な制御体と、この制御体の左右両端に形
成されいずれか一方を流体供給状態とし他方を流体排出
状態とすることにより前記制御体を左右いずれかへ選択
的に移動される第１、第２圧力室と、この第１、第２圧
力室に各別の流路を介して連通された流体給排装置と、
前記各流路を開閉するように各別に設けられ作動状態で
前記圧力室を流体供給状態とし非作動状態で流体排出状
態とする第１、第２電磁弁とより構成された流体制御装
置。A control body that is movable left and right, and a second control body that is formed at both left and right ends of the control body and that allows the control body to be selectively moved to either the left or right by setting one of the control bodies to a fluid supply state and the other to a fluid discharge state. 1. a second pressure chamber, and a fluid supply/discharge device that communicates with the first and second pressure chambers through separate flow paths;
A fluid control device comprising first and second electromagnetic valves which are separately provided to open and close each of the flow passages, and which bring the pressure chamber into a fluid supply state in an activated state and into a fluid discharge state in an inactive state.