JPH02117969U - - Google Patents
Info
- Publication number
- JPH02117969U JPH02117969U JP2740089U JP2740089U JPH02117969U JP H02117969 U JPH02117969 U JP H02117969U JP 2740089 U JP2740089 U JP 2740089U JP 2740089 U JP2740089 U JP 2740089U JP H02117969 U JPH02117969 U JP H02117969U
- Authority
- JP
- Japan
- Prior art keywords
- vehicle
- power steering
- force
- hydraulic
- reaction
- 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 3
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動力舵
取装置の全体構成図、第２図は第１図の−線
に沿う断面図、第３図は第２図の要部拡大断面図
、第４図は第１図〜第３図に示した装置によつて
得られる特性線図、第５図は第１図〜第３図に示
した装置において各ピストンから環状溝とＯリン
グを無くした場合に得られる特性線図である。
符号の説明、Ａ……制御弁、Ｂ……油圧反力機
構、Ｂ１……反力油室、Ｃ……パワーシリンダ、
Ｄ……流量制御弁、Ｅ……可変圧力制御弁、Ｐ…
…油圧ポンプ、Ｒ……リザーバ、１０……ハンド
ル、１７……ピストン（押圧子）、１７ａ……環
状溝、１７ａ１……テーパ面、１８……Ｏリング
、２１……供給油路、２５，２６……分岐油路、
２７，２８……油路、Ｏ１……固定オリフイス。
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 sectional view taken along the - line in Fig. 1, and Fig. 3 is an enlarged sectional view of the main part of Fig. 2. Figure 4 is a characteristic diagram obtained by the device shown in Figures 1 to 3, and Figure 5 shows the annular groove and O-ring from each piston in the device shown in Figures 1 to 3. It is a characteristic diagram obtained when eliminating. Explanation of symbols, A...Control valve, B...Hydraulic reaction force mechanism, B1...Reaction oil chamber, C...Power cylinder,
D...Flow rate control valve, E...Variable pressure control valve, P...
... Hydraulic pump, R ... Reservoir, 10 ... Handle, 17 ... Piston (presser), 17a ... Annular groove, 17a1 ... Tapered surface, 18 ... O ring, 21 ... Supply oil path, 25, 26...branch oil road,
27, 28...Oil passage, O1...Fixed orifice.
Claims (1)
ら吐出される圧油をパワーシリンダに給排する制
御弁と、車速の増大に応じて増大する油圧が付与
される反力油室とこれに付与される油圧によつて
押圧されてハンドル側に反力を伝える押圧子を有
する油圧反力機構を備えてなる車両用動力舵取装
置において、前記反力油室内油圧を受けてその値
に応じて前記押圧子に押圧方向の摩擦抵抗力を付
与する摩擦力付与手段を設けたことを特徴とする
車両用動力舵取装置。 A control valve that operates in response to steering wheel operating force to supply and discharge pressurized oil discharged from a hydraulic pump to and from a power cylinder, a reaction oil chamber that applies hydraulic pressure that increases as the vehicle speed increases, and In a power steering system for a vehicle, the vehicle power steering device includes a hydraulic reaction force mechanism having a pusher that is pressed by hydraulic pressure to transmit a reaction force to the handle side. A power steering device for a vehicle, characterized in that a frictional force applying means is provided for applying a frictional resistance force in a pressing direction to a pressing element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2740089U JPH02117969U (en) | 1989-03-10 | 1989-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2740089U JPH02117969U (en) | 1989-03-10 | 1989-03-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH02117969U true JPH02117969U (en) | 1990-09-21 |
Family
ID=31249859
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2740089U Pending JPH02117969U (en) | 1989-03-10 | 1989-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH02117969U (en) |
-
1989
- 1989-03-10 JP JP2740089U patent/JPH02117969U/ja active Pending
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