JPH0338279U

JPH0338279U -

Info

Publication number: JPH0338279U
Application number: JP10008889U
Authority: JP
Priority date: 1989-08-28
Filing date: 1989-08-28
Publication date: 1991-04-12
Anticipated expiration: 2004-08-28
Also published as: JPH0717637Y2

Description

[Brief explanation of the drawing]

第１図は本考案を適用した後輪操舵機構の要部
を示す横断平面図、第２図は同縦断側面図、第３
図は回転伝達軸系列を部分的に破断して示す側面
図、第４図は第３図の矢印方向からの部分平面
図、第５図は第４図の矢印方向からの正面図、
第６図は第５図の矢印−線に沿つた拡大断面
図、第７図は回転入力軸部分を示す拡大側面図、
第８図は同後面図、第９図は第７図の矢印−
線に沿つた断面図、第１０図は一例として示した
復元装置による中立位置復帰の特性図である。尚、図面中、１は回転入力軸、５は偏心軸、６
はハウジング、１４は軸方向荷重伝達軸受、１６
，１８は押圧手段、２１はプラネタリギヤ、２２
は偏心カム、２５はインターナルリングギヤ、２
６はスライダ、２８はスライダガイド、３１はス
トロークロツド、３３，３７，４２は復元装置で
ある。 Fig. 1 is a cross-sectional plan view showing the main parts of the rear wheel steering mechanism to which the present invention is applied, Fig. 2 is a longitudinal cross-sectional side view of the same, and Fig. 3 is a longitudinal sectional side view of the same.
The figure is a partially cutaway side view of the rotation transmission shaft series, FIG. 4 is a partial plan view taken from the direction of the arrow in FIG. 3, and FIG. 5 is a front view taken from the direction of the arrow in FIG. 4.
FIG. 6 is an enlarged sectional view taken along the arrow-line in FIG. 5, and FIG. 7 is an enlarged side view showing the rotational input shaft portion.
Figure 8 is a rear view of the same, Figure 9 is the arrow in Figure 7 -
FIG. 10, which is a sectional view taken along the line, is a characteristic diagram of returning to the neutral position by the restoring device shown as an example. In addition, in the drawing, 1 is a rotation input shaft, 5 is an eccentric shaft, and 6 is a rotary input shaft.
is a housing, 14 is an axial load transmission bearing, 16
, 18 is a pressing means, 21 is a planetary gear, 22
is an eccentric cam, 25 is an internal ring gear, 2
6 is a slider, 28 is a slider guide, 31 is a stroke rod, and 33, 37, and 42 are restoring devices.

Claims

[Claims for Utility Model Registration] A front and rear wheel steering device for a vehicle comprising a front wheel steering mechanism linked to steering wheel operation, and a rear wheel steering mechanism mechanically connected to the front wheel steering mechanism via a rotation transmission shaft, comprising: A restoring device for biasing the rotary input shaft to a neutral position is provided between the rotary input shaft of the rear wheel steering mechanism and a housing that supports the rotary input shaft, and a pressing force for pressing the rotary input shaft rearward. an axial load transmission bearing for transmitting the pressing load of the pressing means to the rotational input shaft is provided in the housing, and the axial load transmission bearing is disposed in front of the restoring device. Front and rear wheel steering system for vehicles.