JPH03129569U - - Google Patents
Info
- Publication number
- JPH03129569U JPH03129569U JP3885690U JP3885690U JPH03129569U JP H03129569 U JPH03129569 U JP H03129569U JP 3885690 U JP3885690 U JP 3885690U JP 3885690 U JP3885690 U JP 3885690U JP H03129569 U JPH03129569 U JP H03129569U
- Authority
- JP
- Japan
- Prior art keywords
- housing
- pull shaft
- relay rod
- axial direction
- rear wheel
- 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.)
- Granted
Links
- 230000007935 neutral effect Effects 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案の一実施例を示す後輪操舵装置
を平面視した概略構成図、第２図は同後輪操舵装
置を立面視した概略構成図、第３図は第１図及び
第２図ののステアリング駆動機構の縦断断面図、
第４図は第３図の−線に沿つて見た断面図、
第５図は第３図の−線に沿つて見た端面図、
第６図は前輪操舵角に対する後輪操舵角特性を示
すとともに第５図のカム板の特性を示すグラフ、
第７図は第１図及び第２図の中立付勢機構の縦断
断面図、第８図は中立付勢機構の組み付け状態の
変形例を示す平面図、第９図は前記変形例の立面
図、第１０図は中立付勢機構の変形例を示す縦断
断面図である。
符号の説明、ＲＷ１，ＲＷ２……後輪、１３…
…リレーロツド、２０……ステアリング駆動機構
、２１……プーリ、２２……第１ハウジング、２
４ａ，２４ｂ……ケーブル、３４……ウオームシ
ヤフト、３７……ピストン、４１……バルブスプ
ール、４２……バルブスリーブ、４４……セクタ
シヤフト、４５……ピツトマンアーム、５０……
中立付勢機構、５１……第２ハウジング、５２…
…プツシユプルシヤフト、５３……スプリング、
５６……コントロールピン、７１……クロスメン
バ、７２ａ，７２ｂ……サイドメンバ、８０……
中立付勢機構、８１……第２ハウジング、８４ａ
，８４ｂ……ピストン、８３……プツシユプルシ
ヤフト、Ｒ５……空気室。
FIG. 1 is a schematic plan view of a rear wheel steering device showing an embodiment of the present invention, FIG. 2 is a schematic elevational view of the same rear wheel steering device, and FIG. A vertical sectional view of the steering drive mechanism in FIG. 2,
Figure 4 is a sectional view taken along the - line in Figure 3;
Figure 5 is an end view taken along the - line in Figure 3;
FIG. 6 is a graph showing the rear wheel steering angle characteristics with respect to the front wheel steering angle, and also shows the characteristics of the cam plate in FIG.
FIG. 7 is a longitudinal sectional view of the neutral biasing mechanism shown in FIGS. 1 and 2, FIG. 8 is a plan view showing a modified example of the assembled state of the neutral biasing mechanism, and FIG. 9 is an elevational view of the modified example. 10 are longitudinal sectional views showing a modification of the neutral biasing mechanism. Explanation of symbols, RW1, RW2...Rear wheel, 13...
... Relay rod, 20 ... Steering drive mechanism, 21 ... Pulley, 22 ... First housing, 2
4a, 24b... Cable, 34... Wormshaft, 37... Piston, 41... Valve spool, 42... Valve sleeve, 44... Sector shaft, 45... Pitman arm, 50...
Neutral biasing mechanism, 51... Second housing, 52...
...Push pull shaft, 53...Spring,
56...Control pin, 71...Cross member, 72a, 72b...Side member, 80...
Neutral biasing mechanism, 81...second housing, 84a
, 84b...piston, 83...push pull shaft, R5...air chamber.
Claims (1)
位に応じて同後輪を操舵するリレーロツドと、車
体に支持された第１ハウジング内に設けられて前
輪の操舵に連動して前記リレーロツドを軸方向に
駆動する油圧アクチユエータとを備えた後輪操舵
装置において、前記第１ハウジングと別体に構成
されかつ車体に支持された第２ハウジング内に前
記リレーロツドに対して略平行かつ軸方向に変位
可能に収容されるとともに同第２ハウジング内に
組み込んだスプリングによつて中立位置に付勢さ
れたプツシユプルシヤフトと、前記リレーロツド
とプツシユプルシヤフトとを連結してなり同リレ
ーロツドと同プツシユプルシヤフトとを一体的に
変位させるコントロールピンとを設けたことを特
徴とする後輪操舵装置。 A relay rod that connects the left and right rear wheels in a steerable manner and steers the rear wheels according to displacement in the axial direction; and a relay rod that is provided in a first housing supported by the vehicle body and that operates in conjunction with the steering of the front wheels. In a rear wheel steering device comprising a hydraulic actuator that drives in the axial direction, a second housing configured separately from the first housing and supported by the vehicle body is disposed substantially parallel to the relay rod and displaced in the axial direction. A push-pull shaft is housed in the second housing and is biased to a neutral position by a spring built into the second housing, and the relay rod and the push-pull shaft are connected to each other. A rear wheel steering device characterized by being provided with a control pin that displaces the pull shaft integrally with the pull shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038856U JP2527736Y2 (en) | 1990-04-11 | 1990-04-11 | Rear wheel steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990038856U JP2527736Y2 (en) | 1990-04-11 | 1990-04-11 | Rear wheel steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03129569U true JPH03129569U (en) | 1991-12-26 |
| JP2527736Y2 JP2527736Y2 (en) | 1997-03-05 |
Family
ID=31547240
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990038856U Expired - Lifetime JP2527736Y2 (en) | 1990-04-11 | 1990-04-11 | Rear wheel steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527736Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185277A (en) * | 1984-10-03 | 1986-04-30 | Toyota Central Res & Dev Lab Inc | Rear wheel steering angle controller for vehicle |
| JPS6198133A (en) * | 1984-10-19 | 1986-05-16 | Hitachi Ltd | Inspection cover of rotary electric machine |
-
1990
- 1990-04-11 JP JP1990038856U patent/JP2527736Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185277A (en) * | 1984-10-03 | 1986-04-30 | Toyota Central Res & Dev Lab Inc | Rear wheel steering angle controller for vehicle |
| JPS6198133A (en) * | 1984-10-19 | 1986-05-16 | Hitachi Ltd | Inspection cover of rotary electric machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2527736Y2 (en) | 1997-03-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |