JPS63202569U

JPS63202569U -

Info

Publication number: JPS63202569U
Application number: JP9464687U
Authority: JP
Priority date: 1987-06-22
Filing date: 1987-06-22
Publication date: 1988-12-27

Description

[Brief explanation of the drawing]

第１図は本考案に係る四輪操舵車の後輪転舵装
置の一実施例を示す操舵系全体の概略斜視図、第
２図および第３図はその要部とする後輪側ロツド
と後輪側舵取りリンク機構との伝達機構部構造を
説明するための要部拡大図およびその―線断
面図、第４図は後輪転舵比可変機構を示す要部断
面図、第５図はその側面図、第６図は同じく第４
図の―線断面図、第７図ないし第９図は本考
案の別の実施例を示す概略説明図である。５……後輪、６……後輪側舵取りリンク機構、
７……後輪側油圧式動力舵取装置、８……転舵力
伝達ロツド系、８ａ，８ｂ……前輪側および後輪
側ロツド、１０……後輪転舵装置、１１……後輪
転舵比可変機構、１２……ブラケツト、１３……
回動本体、１４……アーム、１５……レバー、１
６……電動モータ、１７……カバー、２０……回
転伝達系、３０……伝達機構部、３１……伝達ロ
ツド、３２……伝達作用端、３３……取付けブラ
ケツト、３４……ブツシユ。 Fig. 1 is a schematic perspective view of the entire steering system showing an embodiment of the rear wheel steering device for a four-wheel steering vehicle according to the present invention, and Figs. 2 and 3 show the main parts of the rear wheel rod and the rear wheel steering system. An enlarged view of the main part and a cross-sectional view taken along the line ``--'' to explain the structure of the transmission mechanism with the wheel side steering link mechanism, Fig. 4 is a cross-sectional view of the main part showing the variable rear wheel steering ratio mechanism, and Fig. 5 is a side view thereof. Figure 6 is also the 4th figure.
The cross-sectional views taken along the line ``--'' and FIGS. 7 to 9 are schematic explanatory views showing other embodiments of the present invention. 5... Rear wheel, 6... Rear wheel side steering link mechanism,
7... Rear wheel side hydraulic power steering device, 8... Steering force transmission rod system, 8a, 8b... Front wheel side and rear wheel side rods, 10... Rear wheel steering device, 11... Rear wheel steering Variable ratio mechanism, 12... Bracket, 13...
Rotating body, 14... Arm, 15... Lever, 1
6... Electric motor, 17... Cover, 20... Rotation transmission system, 30... Transmission mechanism section, 31... Transmission rod, 32... Transmission action end, 33... Mounting bracket, 34... Bush.

Claims

[Scope of utility model registration request]

A rotating body that is rotated by an arm that is connected to the front wheel side steering link mechanism via a front wheel side rod for transmitting steering force, and a shaft that is rotatable on an axis perpendicular to the rotation axis of the main body. a variable rear wheel steering ratio mechanism having a lever supported and selectively rotationally controlled by an electric motor; and a rear wheel side for transmitting steering force connected to a tip of the lever extending to the side of the main body. a rear wheel side steering link mechanism to which steering force is selectively transmitted from the rear wheel steering ratio variable mechanism by a rod, and a transmission action end of the rear wheel side rod to the rear wheel side;
The transmission rod is connected to one end of a transmission rod slidably held on an extension of the lever rotation axis perpendicular to the rotation axis of the main body, and the other end of the transmission rod is connected to the rear wheel side steering link mechanism. A rear wheel steering device for a four-wheel steering vehicle, characterized by: