JPH042779U - - Google Patents
Info
- Publication number
- JPH042779U JPH042779U JP4253690U JP4253690U JPH042779U JP H042779 U JPH042779 U JP H042779U JP 4253690 U JP4253690 U JP 4253690U JP 4253690 U JP4253690 U JP 4253690U JP H042779 U JPH042779 U JP H042779U
- Authority
- JP
- Japan
- Prior art keywords
- wheel steering
- control link
- steering
- link
- rear wheel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000008878 coupling Effects 0.000 claims 2
- 238000010168 coupling process Methods 0.000 claims 2
- 238000005859 coupling reaction Methods 0.000 claims 2
- 238000010586 diagram Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案に係る総輪操舵装置の一実施例
を示す構成図で、右フレームの内側から見た図、
第２図は第１図の要部拡大図で、後輪操舵制御機
構を示す図、第３図は第２図中Ａ−Ａ矢視断面図
、第４図は第１図の要部拡大図で、後輪操舵切換
機構を示す図、第５図は同上実施例の油圧回路図
、第６図はハンドル角とタイヤ切れ角との関係を
示す図である。
２……ステアリングホイール、４……ピツトマ
ンアーム、５……フロントドラツグリンク、６…
…前輪、８……フロントコントロールリンク、９
……リヤコントロールリンク、９Ａ……前側リヤ
コントロールリンク、９Ｂ……後側リヤコントロ
ールリンク、１０……アイドラアーム、１１……
リヤドラツグリンク、１２……後輪、１４……カ
ムプレート、１５……ガイドブラケツト、１６…
…カム溝、１８……ベルクランク、２０……スラ
イドボス、２１……スライドバー、２２……ピン
、２３……エアシリンダ装置、２９……スライド
孔、３０，３１……ピン挿入孔、５０……パワー
シリンダ、５２……全油圧パワーステアリング、
５３……ステアリングスイツチ、５４……モータ
、Ａ……後輪操舵制御機構、Ｂ……後輪操舵切換
機構。
FIG. 1 is a configuration diagram showing an embodiment of the all-wheel steering system according to the present invention, as seen from inside the right frame.
Fig. 2 is an enlarged view of the main part of Fig. 1, showing the rear wheel steering control mechanism, Fig. 3 is a sectional view taken along the line A-A in Fig. 2, and Fig. 4 is an enlarged view of the main part of Fig. 1. These figures show a rear wheel steering switching mechanism, FIG. 5 is a hydraulic circuit diagram of the same embodiment, and FIG. 6 is a diagram showing the relationship between the steering wheel angle and the tire turning angle. 2... Steering wheel, 4... Pitman arm, 5... Front drag link, 6...
...Front wheel, 8...Front control link, 9
...Rear control link, 9A...Front rear control link, 9B...Rear rear control link, 10...Idler arm, 11...
Rear drag link, 12... Rear wheel, 14... Cam plate, 15... Guide bracket, 16...
...Cam groove, 18...Bell crank, 20...Slide boss, 21...Slide bar, 22...Pin, 23...Air cylinder device, 29...Slide hole, 30, 31...Pin insertion hole, 50 ...Power cylinder, 52...Fully hydraulic power steering,
53... Steering switch, 54... Motor, A... Rear wheel steering control mechanism, B... Rear wheel steering switching mechanism.
Claims (1)
ツトマンアーム、フロントドラツグリンクを介し
て前輪の操舵を行い、ピツトマンアーム、コント
ロールリンク、リヤドラツグリンクを介して後輪
の操舵を行う総輪操舵装置において、上記コント
ロールリンクの途中に後輪操舵制御機構を介装し
、該後輪操舵制御機構を、一端がフロントコント
ロールリンクに連結されたカムプレートと、該カ
ムプレートを支持案内するガイドブラケツトと、
前記カムプレートに形成された後輪操舵特性に応
じたカム溝と、該カム溝内を移動するピンと、該
ピンが一端に固定され他端がリヤコントロールリ
ンクに連結するベルクランクとで構成する一方、
上記リヤコントロールリンクの途中に後輪操舵切
換機構を介装し、該後輪操舵切換機構を、一端が
前側リヤコントロールリンクに連結されたフロン
トスライド部材と、一端が後側リヤコントロール
リンクに連結されたリヤスライド部材と、両スラ
イド部材夫々の他端部相互の結合手段と、両スラ
イド部材相互の結合と離脱を選択的に行うべく前
記結合手段を作動する作動手段とで構成し、後輪
の操舵を前輪の操舵とは独立して単独に行う後輪
操舵用のステアリング手段を設けたことを特徴と
する総輪操舵装置。 In an all-wheel steering system, the front wheels are steered through a pitman arm that swings when the steering wheel is steered, and a front drag link, and the rear wheels are steered via a pitman arm, a control link, and a rear drag link. A cam plate with a rear wheel steering control mechanism interposed in the middle thereof, one end of which is connected to a front control link, and a guide bracket that supports and guides the cam plate;
A cam groove formed in the cam plate according to rear wheel steering characteristics, a pin that moves within the cam groove, and a bell crank with the pin fixed at one end and connected to a rear control link at the other end. ,
A rear wheel steering switching mechanism is interposed in the middle of the rear control link, and the rear wheel steering switching mechanism is connected to a front slide member whose one end is connected to the front rear control link, and whose one end is connected to the rear rear control link. a rear slide member, a means for coupling the other ends of both slide members to each other, and an actuating means for operating the coupling means to selectively couple and disengage the slide members. An all-wheel steering device characterized by being provided with a steering means for rear wheel steering that performs steering independently of front wheel steering.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042536U JP2520486Y2 (en) | 1990-04-23 | 1990-04-23 | All-wheel steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990042536U JP2520486Y2 (en) | 1990-04-23 | 1990-04-23 | All-wheel steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH042779U true JPH042779U (en) | 1992-01-10 |
| JP2520486Y2 JP2520486Y2 (en) | 1996-12-18 |
Family
ID=31554166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990042536U Expired - Lifetime JP2520486Y2 (en) | 1990-04-23 | 1990-04-23 | All-wheel steering system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2520486Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6067271A (en) * | 1983-09-21 | 1985-04-17 | Mazda Motor Corp | Four-wheel steering device of car |
| JPH023977U (en) * | 1988-06-17 | 1990-01-11 |
-
1990
- 1990-04-23 JP JP1990042536U patent/JP2520486Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6067271A (en) * | 1983-09-21 | 1985-04-17 | Mazda Motor Corp | Four-wheel steering device of car |
| JPH023977U (en) * | 1988-06-17 | 1990-01-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2520486Y2 (en) | 1996-12-18 |
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