JPH0441470U - - Google Patents
Info
- Publication number
- JPH0441470U JPH0441470U JP8523890U JP8523890U JPH0441470U JP H0441470 U JPH0441470 U JP H0441470U JP 8523890 U JP8523890 U JP 8523890U JP 8523890 U JP8523890 U JP 8523890U JP H0441470 U JPH0441470 U JP H0441470U
- Authority
- JP
- Japan
- Prior art keywords
- hydraulic
- reaction force
- movement
- casing
- control valve
- 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
Landscapes
- Steering Control In Accordance With Driving Conditions (AREA)
Description
第１図は本考案に係る動力舵取装置の全体構成
を示す縦断面図、第２図は第１図の要部拡大図、
第３図は第２図の−線による横断面図、第４
図は絞り部材の外観斜視図、第５図は従来の動力
舵取装置における操舵補助力の増加特性を示すグ
ラフ、第６図は操舵補助力の望ましい増加特性を
示すグラフである。
１……油圧反力部、２……入力軸、３……出力
軸、６……油圧制御弁、７……絞り部材、８……
絞り孔、３２……プランジヤ、３３……反力室、
６０……ケーシング、６１……弁体、Ｓ……油圧
シリンダ。
FIG. 1 is a vertical sectional view showing the overall configuration of the power steering device according to the present invention, FIG. 2 is an enlarged view of the main parts of FIG. 1,
Figure 3 is a cross-sectional view taken along the - line in Figure 2;
FIG. 5 is a graph showing an increasing characteristic of the steering assist force in a conventional power steering device, and FIG. 6 is a graph showing a desirable increasing characteristic of the steering assist force. DESCRIPTION OF SYMBOLS 1... Hydraulic reaction force part, 2... Input shaft, 3... Output shaft, 6... Hydraulic control valve, 7... Throttle member, 8...
Throttle hole, 32... plunger, 33... reaction force chamber,
60...Casing, 61...Valve body, S...Hydraulic cylinder.
Claims (1)
じる相対運動により操舵補助用の油圧アクチユエ
ータへの送給油圧を制御する油圧制御弁と、反力
室へ導入される車速に応じた油圧により前記ケー
シング及び前記弁体の一方から他方へプランジヤ
を押付け、前記相対運動を拘束する油圧反力部と
を備えた動力舵取装置において、 前記反力室を低圧室に連通する油路の中途に、
前記拘束の解除に伴つて生じる前記プランシヤの
移動範囲内での位置変更可能に配され、前記移動
に応じて開閉される絞り孔を有する絞り部材 を具備することを特徴とする動力舵取装置。[Scope of Claim for Utility Model Registration] A hydraulic control valve that controls the hydraulic pressure supplied to a hydraulic actuator for steering assistance by the relative movement that occurs between the casing and the valve body in response to steering wheel operation, and a hydraulic control valve that is introduced into a reaction force chamber. and a hydraulic reaction force section that presses a plunger from one side of the casing and the valve body to the other using hydraulic pressure according to a vehicle speed, and restrains the relative movement, the reaction force chamber being a low pressure chamber. In the middle of the connecting oil path,
A power steering device comprising: a throttle member that is disposed such that its position can be changed within a range of movement of the plansha caused by release of the constraint, and has a throttle hole that opens and closes in accordance with the movement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8523890U JPH0441470U (en) | 1990-08-08 | 1990-08-08 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8523890U JPH0441470U (en) | 1990-08-08 | 1990-08-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0441470U true JPH0441470U (en) | 1992-04-08 |
Family
ID=31634261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8523890U Pending JPH0441470U (en) | 1990-08-08 | 1990-08-08 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0441470U (en) |
-
1990
- 1990-08-08 JP JP8523890U patent/JPH0441470U/ja active Pending