JPH0413468U - - Google Patents
Info
- Publication number
- JPH0413468U JPH0413468U JP5439790U JP5439790U JPH0413468U JP H0413468 U JPH0413468 U JP H0413468U JP 5439790 U JP5439790 U JP 5439790U JP 5439790 U JP5439790 U JP 5439790U JP H0413468 U JPH0413468 U JP H0413468U
- Authority
- JP
- Japan
- Prior art keywords
- oil
- reaction force
- hydraulic
- reaction
- supply
- 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
- 238000010586 diagram Methods 0.000 description 4
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案の一実施例を示す車両用パワー
ステアリング装置の全体構成図、第２図は第１図
に示した油圧反力機構部分の横断平面図、第３図
は第１図に示した電磁式の可変絞り弁に付与され
る電流と車速の関係を示す線図、第４図は第１図
に示した電磁式の可変絞り弁に付与される電流と
開口面積（分岐路の開度）の関係を示す線図、第
５図は第１図に示した電磁式の可変絞り弁の要部
作動説明図、第６図は本考案の変形例を示す油圧
回路図である。
符号の説明、２１……供給油路、２５……分岐
路、２６……リターン油路、Ａ……給排制御弁、
Ｂ……油圧反力機構、Ｂ１……反力油室、Ｃ……
パワーシリンダ、Ｐ……油圧ポンプ、Ｒ……リザ
ーバ、Ｖ１……可変絞り弁、４２ａ，Ｏ……固定
オリフイス（固定絞り）。
Fig. 1 is an overall configuration diagram of a power steering device for a vehicle showing an embodiment of the present invention, Fig. 2 is a cross-sectional plan view of the hydraulic reaction force mechanism shown in Fig. 1, and Fig. 3 is the same as Fig. 1. Figure 4 is a diagram showing the relationship between the current applied to the electromagnetic variable throttle valve shown in Figure 1 and the vehicle speed. FIG. 5 is a diagram illustrating the operation of the main part of the electromagnetic variable throttle valve shown in FIG. 1, and FIG. 6 is a hydraulic circuit diagram showing a modification of the present invention. Explanation of symbols, 21... Supply oil path, 25... Branch path, 26... Return oil path, A... Supply/discharge control valve,
B...Hydraulic reaction force mechanism, B1...Reaction oil chamber, C...
Power cylinder, P...Hydraulic pump, R...Reservoir, V1...Variable throttle valve, 42a, O...Fixed orifice (fixed throttle).
Claims (1)
を増大させる油圧反力機構を備えてなる油圧反力
型パワーステアリング装置において、油圧ポンプ
と同油圧ポンプから供給される圧油を操舵トルク
に応じてパワーシリンダに給排する給排制御弁と
を接続する供給油路の途中に前記反力機構の反力
油室に接続される分岐路を接続し、この分岐路に
車速の増大に応じて全閉状態から所定開度状態ま
で開度を制御される可変絞り弁を配設するととも
に、前記反力油室をリザーバに接続するリターン
油路に固定絞りを設けたことを特徴とする油圧反
力型パワーステアリング装置。 In a hydraulic reaction force type power steering device that is equipped with a hydraulic reaction force mechanism that increases reaction force in accordance with an increase in oil pressure supplied to a reaction oil chamber, a hydraulic reaction force steering device uses a hydraulic pump and pressure oil supplied from the same hydraulic pump. A branch path connected to the reaction oil chamber of the reaction mechanism is connected to the supply oil path that connects the supply and discharge control valve that supplies and discharges the power cylinder according to the torque, and the branch path is connected to the oil supply path that connects the supply and discharge control valve that supplies and discharges the power cylinder according to the torque. A variable throttle valve whose opening degree is controlled from a fully closed state to a predetermined open state according to the conditions is provided, and a fixed throttle is provided in the return oil passage connecting the reaction oil chamber to the reservoir. Hydraulic reaction force type power steering device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5439790U JPH0413468U (en) | 1990-05-24 | 1990-05-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5439790U JPH0413468U (en) | 1990-05-24 | 1990-05-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413468U true JPH0413468U (en) | 1992-02-03 |
Family
ID=31576428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5439790U Pending JPH0413468U (en) | 1990-05-24 | 1990-05-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413468U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120198U (en) * | 1976-03-09 | 1977-09-12 |
-
1990
- 1990-05-24 JP JP5439790U patent/JPH0413468U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52120198U (en) * | 1976-03-09 | 1977-09-12 |
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