JPS59172676U - Rotary control valve for power steering device - Google Patents
Rotary control valve for power steering deviceInfo
- Publication number
- JPS59172676U JPS59172676U JP6808483U JP6808483U JPS59172676U JP S59172676 U JPS59172676 U JP S59172676U JP 6808483 U JP6808483 U JP 6808483U JP 6808483 U JP6808483 U JP 6808483U JP S59172676 U JPS59172676 U JP S59172676U
- Authority
- JP
- Japan
- Prior art keywords
- valve member
- rotary control
- control valve
- pressure fluid
- land portions
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
図面は本考案の実施例を示すものであるロータリ式制御
弁の構成を示す縦断面図である。
２１・・・・・・ピニオン軸、２３・・・・・・操舵軸
、３１・・・・・・スプール弁部材、３２・・・・・・
スリーブ弁部材、３３．３４・・・・・・分配ポート、
３５・・・・・・供給ポート、３６・・・・・・排出ポ
ート、３７・・・・・・連通路、３８・・・・・・低圧
室、３９・・・・・・制限通路。The drawing is a longitudinal cross-sectional view showing the structure of a rotary control valve that is an embodiment of the present invention. 21... Pinion shaft, 23... Steering shaft, 31... Spool valve member, 32...
Sleeve valve member, 33.34...Distribution port,
35... Supply port, 36... Discharge port, 37... Communication passage, 38... Low pressure chamber, 39... Restriction passage.
Claims (1)
ール弁部材の外周に同心的かつ相対回転可能なスリーブ
弁部材とをバルブハウジング内に組付けて、前記スプー
ル弁部材の外周に軸方向に設けた複数のランド部とこれ
ら各ランド部に対応して前記スリーブ弁部材の内周に軸
方向に設けた複数のランド部との間の溝部を流通する圧
力流体を前記両弁部材の相対的な回転変位により制御し
てパワーシリンダに対する圧力流体の給排を制御するよ
うにしたロータリ式制御弁において、前記パワーシリン
ダより排出される低圧流体の流出路とし、前記スプール
弁部材にはこれの溝底部と内周部とを連通ずる連通路及
び内周部より弁ハウジング内の低圧室に開口する半径方
向通路を形成し、この半径方向通路を小径孔の制限通路
としたことを特徴とする動力舵取装置のロータリ式制御
弁。A spool valve member that rotates integrally with the input shaft, and a sleeve valve member that is rotatable concentrically and relatively to the outer periphery of the spool valve member are assembled into a valve housing, and a sleeve valve member that rotates in the axial direction around the outer periphery of the spool valve member is assembled into a valve housing. The pressure fluid flowing through the grooves between the plurality of land portions provided in the sleeve valve member and the plurality of land portions provided in the axial direction on the inner periphery of the sleeve valve member corresponding to each of these land portions is In a rotary control valve that controls the supply and discharge of pressure fluid to and from a power cylinder by controlling rotational displacement, the spool valve member has a groove for this as an outflow path for low pressure fluid discharged from the power cylinder. A power source characterized by forming a communication passage communicating between the bottom and the inner circumference, and a radial passage opening from the inner circumference to a low pressure chamber in the valve housing, and this radial passage serves as a restriction passage for the small diameter hole. Rotary control valve for steering gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808483U JPS59172676U (en) | 1983-05-07 | 1983-05-07 | Rotary control valve for power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6808483U JPS59172676U (en) | 1983-05-07 | 1983-05-07 | Rotary control valve for power steering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS59172676U true JPS59172676U (en) | 1984-11-17 |
Family
ID=30198270
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6808483U Pending JPS59172676U (en) | 1983-05-07 | 1983-05-07 | Rotary control valve for power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59172676U (en) |
-
1983
- 1983-05-07 JP JP6808483U patent/JPS59172676U/en active Pending
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