JPH03107384U

JPH03107384U -

Info

Publication number: JPH03107384U
Application number: JP1605990U
Authority: JP
Priority date: 1990-02-20
Filing date: 1990-02-20
Publication date: 1991-11-05

Description

[Brief explanation of drawings]

第１図は、本考案の実施例に係わる車両の後輪
操舵装置を示した図である。第２ａ図は本実施例
における変位伝達部の支持部を他の構成要素と共
に示した断面図である。第２ｂ図は、第２ａ図の
実施例を線で切断して矢印の方向に見た図で
ある。第３図は操舵比の制御パターンの一例を示
す図である。第４図ないし第６図は変位伝達部材
、出力軸、油圧切換バルブおよび後輪操舵ロツド
の作動説明図である。第７図は、従来公知の後輪
操舵装置の一例を図示したものである。第８図は
、従来技術による変位伝達部材Ｅを他の構成要素
と共に示した部分断面図である。主要な部分の符号の説明、Ａ……転舵比可変機
構、Ｂ……後輪操舵ロツド、Ｃ……パワーシリン
ダ、Ｄ……制御バルブ、Ｅ……変位伝達部材、１
００……縦部材、１０１……横部材、１００ｂ…
…長穴、１０１ｆ……球状部。 FIG. 1 is a diagram showing a rear wheel steering device of a vehicle according to an embodiment of the present invention. FIG. 2a is a sectional view showing the support part of the displacement transmitting part in this embodiment together with other components. FIG. 2b is a view of the embodiment of FIG. 2a cut along a line and viewed in the direction of the arrow. FIG. 3 is a diagram showing an example of a steering ratio control pattern. 4 to 6 are explanatory diagrams of the operation of the displacement transmitting member, output shaft, hydraulic switching valve, and rear wheel steering rod. FIG. 7 illustrates an example of a conventionally known rear wheel steering device. FIG. 8 is a partial sectional view showing a displacement transmitting member E according to the prior art together with other components. Explanation of symbols of main parts, A...Variable steering ratio mechanism, B...Rear wheel steering rod, C...Power cylinder, D...Control valve, E...Displacement transmission member, 1
00...Vertical member, 101...Horizontal member, 100b...
...Elongated hole, 101f...Spherical part.

Claims

[Scope of claim for utility model registration] An output shaft that is movable in the axial direction according to the steering force, and a steering shaft that connects the left and right wheels in a link manner and transmits the output to steer both wheels by moving in the axial direction. and an axially movable spool valve means,
A control means for controlling oil pressure according to the axial movement of the spool valve means, and a drive means for moving the steering shaft in any axial direction according to the oil pressure controlled by the control means, each parallel to the other. A hydraulic actuator for a steering system includes a displacement transmitting member connecting the output shaft and the spool valve means of the control means, the output shaft disposed at one end of the first shaft is connected to the input shaft, the other end of the first shaft is connected to the output shaft, and one end of the second shaft is connected to the spool valve. and the other end of the second shaft is attached to a support part, and the support part of the second shaft is such that the other end of the second shaft is aligned with the axes of the first shaft and the second shaft. A hydraulic actuator for a steering system, characterized in that the hydraulic actuator is supported by a housing of the steering system so as to be movable within a plane containing the hydraulic actuator.