JPS62130978U - - Google Patents
Info
- Publication number
- JPS62130978U JPS62130978U JP1870486U JP1870486U JPS62130978U JP S62130978 U JPS62130978 U JP S62130978U JP 1870486 U JP1870486 U JP 1870486U JP 1870486 U JP1870486 U JP 1870486U JP S62130978 U JPS62130978 U JP S62130978U
- Authority
- JP
- Japan
- Prior art keywords
- rear wheel
- piston
- fluid pressure
- cylinder chambers
- sides
- 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
- 230000005856 abnormality Effects 0.000 claims description 3
- 239000012530 fluid Substances 0.000 claims 4
- 238000006386 neutralization reaction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は、本考案に係る後輪中立復帰装置が採
用された前後輪操舵車の制御装置の実施例の構成
を示す、一部ブロツク線図を含む平面図、第２図
は、前記実施例で用いられている復元ばねの特性
例を示す線図、第３図は、前記実施例における後
輪操舵系統異常時の切換弁の状態を示す要部平面
図である。
１４Ｒ，１４Ｌ…後輪、１６…後輪操舵装置、
２０…中立復帰装置、３０ｒ…油圧制御弁、３６
ｒ…油圧シリンダ、３７…ピストン、５０…切換
弁、５１…絞り、５２Ｒ，５２Ｌ…復元ばね、５
６…コントローラ。
FIG. 1 is a plan view including a partial block diagram showing the configuration of an embodiment of a control device for a front and rear wheel steered vehicle in which a rear wheel neutral return device according to the present invention is adopted, and FIG. 2 is a plan view including a partial block diagram. FIG. 3, which is a diagram showing an example of the characteristics of the restoring spring used in the example, is a plan view of a main part showing the state of the switching valve when an abnormality occurs in the rear wheel steering system in the example. 14R, 14L...Rear wheel, 16...Rear wheel steering device,
20...neutral return device, 30r...hydraulic control valve, 36
r... Hydraulic cylinder, 37... Piston, 50... Switching valve, 51... Throttle, 52R, 52L... Restoration spring, 5
6...Controller.
Claims (1)
流体圧によつて後輪を転舵するピストンと、前記
シリンダ室に供給すべき流体圧を制御する流体圧
制御弁とを含む前後輪操舵車の後輪中立復帰装置
において、 後輪操舵系統の異常を検出する手段と、 後輪操舵系統の異常検出時に、前記流体圧制御
弁とシリンダ室の連通を断つと共に、ピストン両
側のシリンダ室同志を連通する切換手段と、 前記ピストンを中立位置に付勢する弾性部材と
を備えたことを特徴とする前後輪操舵車の後輪中
立復帰装置。 (2) 前記切換手段の、ピストン両側のシリンダ
室同志を連通する流路に、絞りが設けられている
実用新案登録請求の範囲第１項記載の前後輪操舵
車の後輪中立復帰装置。[Claims for Utility Model Registration] (1) A piston that steers the rear wheels by fluid pressure introduced into cylinder chambers formed on both sides, and a fluid pressure that controls the fluid pressure to be supplied to the cylinder chambers. A rear wheel neutralization device for a front and rear wheel steered vehicle including a control valve, a means for detecting an abnormality in a rear wheel steering system, and a means for cutting off communication between the fluid pressure control valve and a cylinder chamber when an abnormality in the rear wheel steering system is detected. A rear wheel neutral return device for a front and rear wheel steered vehicle, comprising: a switching means for communicating cylinder chambers on both sides of the piston; and an elastic member for urging the piston to a neutral position. (2) The rear wheel neutral return device for a front and rear wheel steered vehicle according to claim 1, wherein a restriction is provided in the flow path of the switching means that communicates the cylinder chambers on both sides of the piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1870486U JPS62130978U (en) | 1986-02-12 | 1986-02-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1870486U JPS62130978U (en) | 1986-02-12 | 1986-02-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62130978U true JPS62130978U (en) | 1987-08-18 |
Family
ID=30812619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1870486U Pending JPS62130978U (en) | 1986-02-12 | 1986-02-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62130978U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62120273A (en) * | 1985-11-19 | 1987-06-01 | Nissan Motor Co Ltd | Actual steering angle control device for vehicle |
-
1986
- 1986-02-12 JP JP1870486U patent/JPS62130978U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62120273A (en) * | 1985-11-19 | 1987-06-01 | Nissan Motor Co Ltd | Actual steering angle control device for vehicle |
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