JPS6425965U - - Google Patents
Info
- Publication number
- JPS6425965U JPS6425965U JP12084187U JP12084187U JPS6425965U JP S6425965 U JPS6425965 U JP S6425965U JP 12084187 U JP12084187 U JP 12084187U JP 12084187 U JP12084187 U JP 12084187U JP S6425965 U JPS6425965 U JP S6425965U
- Authority
- JP
- Japan
- Prior art keywords
- piston
- wheel steering
- steer
- control valve
- communication path
- 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
- 230000007935 neutral effect Effects 0.000 claims 3
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案一実施例の四輪操舵装置示す全
体図、第２図は実施例装置の要部を示す断面図で
ある。
８……後輪、４０……後輪操舵アクチユエータ
、４２……ピストン、４６……右圧力室、４７…
…左圧力室、５０……切換制御弁、６０……リタ
ーンスプリング（付勢手段）、７１……右側ポー
ト、７２……左側ポート、７３……連通路、８０
……ポート開閉機構（開閉機構）。
FIG. 1 is an overall view showing a four-wheel steering system according to an embodiment of the present invention, and FIG. 2 is a sectional view showing the main parts of the embodiment. 8... Rear wheel, 40... Rear wheel steering actuator, 42... Piston, 46... Right pressure chamber, 47...
...Left pressure chamber, 50...Switching control valve, 60...Return spring (biasing means), 71...Right side port, 72...Left side port, 73...Communication path, 80
...Port opening/closing mechanism (opening/closing mechanism).
Claims (1)
が摺動して後輪を操舵する後輪操舵アクチユエー
タと、前記ピストンを中立位置に付勢する付勢手
段と、所定の条件に基き後輪を操舵すべく切り換
えられ、両圧力室に液圧を供給したりドレンさせ
たりする切換制御弁と、を備えた四輪操舵装置に
おいて、 前記両圧力室を前記切換制御弁の中立制御状態
で連通させる連通路を設け、この連通路中に前記
ピストンが中立位置であるとき閉じ、該ピストン
が左右に操舵した位置であるときに開く開閉機構
を設けたことを特徴とする四輪操舵装置。[Claims for Utility Model Registration] A rear wheel steering actuator in which a piston slides based on a hydraulic pressure difference between pressure chambers on both sides of the piston to steer a rear wheel, a biasing means for biasing the piston toward a neutral position, and a predetermined A four-wheel steering system comprising: a switching control valve that is switched to steer the rear wheels based on the conditions of the switching control valve that supplies and drains hydraulic pressure to both pressure chambers; The invention is characterized in that a communication path is provided for communication in a neutral control state, and an opening/closing mechanism is provided in the communication path, which closes when the piston is in a neutral position and opens when the piston is in a position where the piston is steered from side to side. Four-wheel steering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12084187U JPH0630602Y2 (en) | 1987-08-06 | 1987-08-06 | Four-wheel steering system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12084187U JPH0630602Y2 (en) | 1987-08-06 | 1987-08-06 | Four-wheel steering system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6425965U true JPS6425965U (en) | 1989-02-14 |
| JPH0630602Y2 JPH0630602Y2 (en) | 1994-08-17 |
Family
ID=31367313
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12084187U Expired - Lifetime JPH0630602Y2 (en) | 1987-08-06 | 1987-08-06 | Four-wheel steering system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0630602Y2 (en) |
-
1987
- 1987-08-06 JP JP12084187U patent/JPH0630602Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0630602Y2 (en) | 1994-08-17 |
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