JPS6347981U - - Google Patents
Info
- Publication number
- JPS6347981U JPS6347981U JP14320886U JP14320886U JPS6347981U JP S6347981 U JPS6347981 U JP S6347981U JP 14320886 U JP14320886 U JP 14320886U JP 14320886 U JP14320886 U JP 14320886U JP S6347981 U JPS6347981 U JP S6347981U
- Authority
- JP
- Japan
- Prior art keywords
- rear wheel
- relay rod
- steering device
- wheel steering
- pair
- 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.)
- Pending
Links
- 230000007935 neutral effect Effects 0.000 claims description 5
- 238000006073 displacement reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案に係る後輪操舵装置の一例を示
す平面図、第２図は第１図の後輪操舵装置を備え
た車両の全体を機能的に示す図、第３図は第１図
のパワーシリンダ及び電磁切換えバルブの一部を
切断した拡大正面図、第４図は第３図の電磁切換
えバルブと可変オリフイスの関係を示す図、第５
図は目標舵角比の特性を示す図、及び第６図は中
立復帰用スプリングの特性を示す図である。
符号の説明、Ａ……前輪操舵装置、Ｂ……後輪
操舵装置、Ｃ……電気制御装置、ＦＷ１，ＦＷ２
……前輪、ＲＷ１，ＲＷ２……後輪、２３……ス
テツプモータ、２４……制御バルブ装置、３１…
…リレーロツド、３２……ハウジング、３２ａ…
…ラツクハウジング、３２ｂ……チユーブ、３２
ｃ……ハウジングエンド、４０……中立復帰機構
、４１ａ，４１ｂ……スプリング、４２ａ，４２
ｂ……リテーナ、４４……ボス、４５……センタ
ストツパ、５０……パワーシリンダ、５１……シ
リンダ、５３……ピストン、６０……電磁切換え
バルブ。
FIG. 1 is a plan view showing an example of a rear wheel steering device according to the present invention, FIG. 2 is a diagram functionally showing the entire vehicle equipped with the rear wheel steering device shown in FIG. 1, and FIG. Fig. 4 is a partially cutaway enlarged front view of the power cylinder and electromagnetic switching valve shown in Fig. 4; Fig. 4 is a diagram showing the relationship between the electromagnetic switching valve of Fig. 3 and the variable orifice;
This figure is a diagram showing the characteristics of the target steering angle ratio, and FIG. 6 is a diagram showing the characteristics of the neutral return spring. Explanation of symbols, A... Front wheel steering device, B... Rear wheel steering device, C... Electric control device, FW1, FW2
...Front wheel, RW1, RW2...Rear wheel, 23...Step motor, 24...Control valve device, 31...
...Relay rod, 32...Housing, 32a...
...Rack housing, 32b...Tube, 32
c... Housing end, 40... Neutral return mechanism, 41a, 41b... Spring, 42a, 42
b...Retainer, 44...Boss, 45...Center stopper, 50...Power cylinder, 51...Cylinder, 53...Piston, 60...Solenoid switching valve.
Claims (1)
付けられ中立位置からの前記変位に応じて両端に
接続した左右後輪を操舵するリレーロツドと、前
記ハウジング内周に前記リレーロツドを貫通させ
て収容され各外側端にて前記ハウジングの内周上
に形成した一対のストツパ部により各々支持され
るとともに各内側端にて前記リレーロツドに設け
た係合部と係合して前記リレーロツドを中立位置
に付勢するコイル状に形成した一対の中立復帰用
スプリングとを備えた前後輪操舵車の後輪操舵装
置において、前記一対の中立復帰用スプリングの
少なくとも一方の内部に該スプリングと同心的に
前記リレーロツドを変位させるパワーシリンダを
配設するようにしたことを特徴とする前後輪操舵
車の後輪操舵装置。 a relay rod that is assembled in a cylindrical housing so as to be displaceable in the axial direction and that steers the left and right rear wheels connected to both ends in accordance with the displacement from the neutral position; Each outer end is supported by a pair of stopper parts formed on the inner periphery of the housing, and each inner end engages with an engaging part provided on the relay rod to urge the relay rod to a neutral position. In the rear wheel steering device for a front and rear wheel steered vehicle, the relay rod is disposed concentrically with the inside of at least one of the pair of neutral return springs. What is claimed is: 1. A rear wheel steering device for a front and rear wheel steered vehicle, characterized in that a power cylinder is provided to control the front and rear wheels.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14320886U JPS6347981U (en) | 1986-09-18 | 1986-09-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP14320886U JPS6347981U (en) | 1986-09-18 | 1986-09-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6347981U true JPS6347981U (en) | 1988-03-31 |
Family
ID=31052671
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP14320886U Pending JPS6347981U (en) | 1986-09-18 | 1986-09-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6347981U (en) |
-
1986
- 1986-09-18 JP JP14320886U patent/JPS6347981U/ja active Pending
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