JPS63119477U - - Google Patents
Info
- Publication number
- JPS63119477U JPS63119477U JP1243187U JP1243187U JPS63119477U JP S63119477 U JPS63119477 U JP S63119477U JP 1243187 U JP1243187 U JP 1243187U JP 1243187 U JP1243187 U JP 1243187U JP S63119477 U JPS63119477 U JP S63119477U
- Authority
- JP
- Japan
- Prior art keywords
- wheel steering
- piston rod
- neutral position
- receiving portion
- hydraulic actuator
- 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
- 239000000725 suspension Substances 0.000 claims description 4
- 230000007935 neutral effect Effects 0.000 claims description 3
- 230000005489 elastic deformation Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図乃至第５図はこの考案の一実施例を示す
もので、第１図は４輪操舵装置の後輪操舵用油圧
アクチユエータの要部の概略構成を示す縦断面図
、第２図はリヤサスペンシヨン装置を示す平面図
、第３図は同斜視図、第４図は車両の４輪操舵装
置全体の概略構成図、第５図は第１、第２のばね
部材のばね特性を示す特性図、第６図は従来の４
輪操舵装置のステアリングホイールの操舵角度と
油圧アクチユエータの発生圧力との関係を示す特
性図である。
１……後輪、１３……前輪、１５……前輪操舵
機構、３７……後輪操舵機構、３８……油圧アク
チユエータ、４３……ピストンロツド、４８……
中立位置保持機構、５１……ばね受け部、５２…
…第１のばね部材、５３……第２のばね部材。
Figures 1 to 5 show an embodiment of this invention, in which Figure 1 is a vertical sectional view showing a schematic configuration of the main parts of a hydraulic actuator for rear wheel steering of a four-wheel steering system, and Figure 2 is FIG. 3 is a plan view showing the rear suspension device, FIG. 3 is a perspective view thereof, FIG. 4 is a schematic configuration diagram of the entire four-wheel steering device of the vehicle, and FIG. 5 shows the spring characteristics of the first and second spring members. Characteristic diagram, Figure 6 shows the conventional 4
FIG. 3 is a characteristic diagram showing the relationship between the steering angle of the steering wheel of the wheel steering device and the pressure generated by the hydraulic actuator. 1... Rear wheel, 13... Front wheel, 15... Front wheel steering mechanism, 37... Rear wheel steering mechanism, 38... Hydraulic actuator, 43... Piston rod, 48...
Neutral position holding mechanism, 51... Spring receiver, 52...
...first spring member, 53...second spring member.
Claims (1)
性変形領域内でリヤサスペンシヨン装置のサスペ
ンシヨンアームを変位させることにより後輪を操
舵可能に懸架し、前輪を操舵する前輪操舵機構と
ともに、後輪を油圧アクチユエータによつて操舵
させる後輪操舵機構を備えた４輪操舵装置におい
て、前記油圧アクチユエータのピストンロツドに
ばね受け部を設け、このばね受け部の両側にばね
部材をそれぞれ圧縮状態で対向配設してこれらの
ばね部材の付勢力によつて前記油圧アクチユエー
タのピストンロツドを中立位置に保持する中立位
置保持機構を設けたことを特徴とする４輪操舵装
置。 By displacing the suspension arm of the rear suspension device within the elastic deformation area of the rear suspension bushing relative to the vehicle body, the rear wheels are suspended so that they can be steered, and together with a front wheel steering mechanism that steers the front wheels, hydraulic pressure is applied to the rear wheels. In a four-wheel steering device equipped with a rear wheel steering mechanism for steering by an actuator, a spring receiving portion is provided on the piston rod of the hydraulic actuator, and spring members are arranged facing each other in a compressed state on both sides of the spring receiving portion. A four-wheel steering system characterized by comprising a neutral position holding mechanism that holds the piston rod of the hydraulic actuator at a neutral position by the biasing force of these spring members.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1243187U JPS63119477U (en) | 1987-01-30 | 1987-01-30 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1243187U JPS63119477U (en) | 1987-01-30 | 1987-01-30 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63119477U true JPS63119477U (en) | 1988-08-02 |
Family
ID=30800553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1243187U Pending JPS63119477U (en) | 1987-01-30 | 1987-01-30 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63119477U (en) |
-
1987
- 1987-01-30 JP JP1243187U patent/JPS63119477U/ja active Pending
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