JPS6448363U - - Google Patents
Info
- Publication number
- JPS6448363U JPS6448363U JP14293187U JP14293187U JPS6448363U JP S6448363 U JPS6448363 U JP S6448363U JP 14293187 U JP14293187 U JP 14293187U JP 14293187 U JP14293187 U JP 14293187U JP S6448363 U JPS6448363 U JP S6448363U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- control valve
- hydraulic pressure
- source
- control
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案に係る４輪操舵装置の一実施例
を示し、同装置の回路構成を示す油圧回路図、第
２図は第１図に示す油圧制御弁装置７の詳細回路
構成を示す油圧回路図である。
１……後輪、２……パワーシリンダ、４……サ
ーボバルブ（第１制御弁）、５……制御バルブ（
第２制御弁）、６……オイルポンプ（動力油圧源
）、７……油圧制御弁装置（第３制御弁）、８…
…油圧アクチユエータ、２６……油路（制御油圧
源）。
FIG. 1 shows an embodiment of a four-wheel steering device according to the present invention, a hydraulic circuit diagram showing the circuit configuration of the device, and FIG. 2 shows a detailed circuit configuration of the hydraulic control valve device 7 shown in FIG. 1. It is a hydraulic circuit diagram. 1... Rear wheel, 2... Power cylinder, 4... Servo valve (first control valve), 5... Control valve (
2nd control valve), 6...Oil pump (power hydraulic power source), 7...Hydraulic control valve device (third control valve), 8...
...Hydraulic actuator, 26...Oil passage (control hydraulic pressure source).
Claims (1)
る作動油圧により作動し、後輪を操舵するパワー
シリンダと、該パワーシリンダと前記動力油圧源
間に介装され、前記パワーシリンダへの作動油圧
の供給を制御する第１制御弁と、制御油圧源と、
該制御油圧源から供給される作動油圧により作動
し、前記第１制御弁を制御駆動する油圧アクチユ
エータと、前記制御油圧源と油圧アクチユエータ
間に嵌装され、前輪の操舵状態に応じて前記油圧
アクチユエータへの作動油圧の供給を制御する第
２制御弁と、前記制御油圧源と油圧アクチユエー
タ間に、前記第２制御弁と直列に嵌装され、車速
に応じて前記油圧アクチユエータへの作動油圧の
供給を制御する第３制御弁とを備えてなることを
特徴とする４輪操舵装置。 (2) 前記制御油圧源の作動油圧は前記第１制御
弁がドレン側に排出する作動油圧であることを特
徴とする実用新案登録請求の範囲第１項記載の４
輪操舵装置。[Scope of Claim for Utility Model Registration] (1) A power hydraulic source, a power cylinder that is operated by hydraulic pressure supplied from the power hydraulic source and steers the rear wheels, and an intervening device between the power cylinder and the power hydraulic source. a first control valve that is equipped with a control valve that controls the supply of hydraulic pressure to the power cylinder; and a control hydraulic pressure source;
a hydraulic actuator that is operated by hydraulic pressure supplied from the control hydraulic pressure source and controls and drives the first control valve; and a hydraulic actuator that is fitted between the control hydraulic pressure source and the hydraulic actuator and that controls the hydraulic actuator according to the steering state of the front wheels. a second control valve that controls the supply of hydraulic pressure to the hydraulic actuator, and is fitted in series with the second control valve between the control hydraulic pressure source and the hydraulic actuator, and supplies the hydraulic pressure to the hydraulic actuator according to the vehicle speed. A four-wheel steering device characterized by comprising: a third control valve that controls. (2) The working oil pressure of the control oil pressure source is the working oil pressure that the first control valve discharges to the drain side.
Wheel steering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987142931U JPH078354Y2 (en) | 1987-09-21 | 1987-09-21 | 4-wheel steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987142931U JPH078354Y2 (en) | 1987-09-21 | 1987-09-21 | 4-wheel steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6448363U true JPS6448363U (en) | 1989-03-24 |
| JPH078354Y2 JPH078354Y2 (en) | 1995-03-01 |
Family
ID=31409294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987142931U Expired - Lifetime JPH078354Y2 (en) | 1987-09-21 | 1987-09-21 | 4-wheel steering system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH078354Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045266U (en) * | 1983-09-05 | 1985-03-30 | トヨタ自動車株式会社 | Vehicle rear wheel steering device |
| JPS62131878A (en) * | 1985-12-04 | 1987-06-15 | Mazda Motor Corp | Four wheel steering device for vehicle provided with safety device |
-
1987
- 1987-09-21 JP JP1987142931U patent/JPH078354Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6045266U (en) * | 1983-09-05 | 1985-03-30 | トヨタ自動車株式会社 | Vehicle rear wheel steering device |
| JPS62131878A (en) * | 1985-12-04 | 1987-06-15 | Mazda Motor Corp | Four wheel steering device for vehicle provided with safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH078354Y2 (en) | 1995-03-01 |