JPH0239969U - - Google Patents
Info
- Publication number
- JPH0239969U JPH0239969U JP11797988U JP11797988U JPH0239969U JP H0239969 U JPH0239969 U JP H0239969U JP 11797988 U JP11797988 U JP 11797988U JP 11797988 U JP11797988 U JP 11797988U JP H0239969 U JPH0239969 U JP H0239969U
- Authority
- JP
- Japan
- Prior art keywords
- cylinder
- rack
- power
- circumferential groove
- steering
- 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
- 230000013011 mating Effects 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 description 1
Description
第１図ａおよびｂはこの考案のラツクピニオン
式パワーステアリング用パワーシリンダの第１実
施例の要部を示す縦断面図およびそのＡ矢視図、
第２図ａおよびｂはこの考案の第２実施例の要部
を示す縦断面図およびそのＢ矢視図、第３図ａお
よびｂはこの考案の第３実施例の要部を示す縦断
面図およびそのシリンダを省略したＣ矢視図、第
４図は従来のパワーシリンダの縦断面図である。
１…ステアリングギヤ、２…パワーシリンダ、
７…ピニオンハウジング、７ａ…筒状端部、７ｃ
…外周溝、７ｄ…軸線方向溝、８…ラツク、１１
…シリンダ、１２…エンドカバー、１２ｂ…外周
溝、１２ｃ…軸線方向溝、１３…センタブツシユ
、１３ｂ…周方向溝、１３ｃ…軸線方向溝、１４
，１５…シールリング、１６…ピストン、１７，
１８…液室、１９，２０…口金、１９ａ，２０ａ
…ポート。
FIGS. 1a and 1b are a longitudinal cross-sectional view and a view taken in the direction of arrow A of the main part of the first embodiment of the power cylinder for rack and pinion type power steering of this invention,
Figures 2 a and b are longitudinal cross-sectional views showing the main parts of the second embodiment of this invention and its views taken in the direction of arrow B; Figures 3 a and b are longitudinal cross-sectional views showing the main parts of the third embodiment of the invention. FIG. 4 is a longitudinal cross-sectional view of a conventional power cylinder. 1...Steering gear, 2...Power cylinder,
7... Pinion housing, 7a... Cylindrical end, 7c
...Outer circumferential groove, 7d...Axis groove, 8...Rack, 11
... Cylinder, 12... End cover, 12b... Outer circumferential groove, 12c... Axial groove, 13... Center bush, 13b... Circumferential groove, 13c... Axial groove, 14
, 15... Seal ring, 16... Piston, 17,
18...liquid chamber, 19,20...cap, 19a, 20a
…port.
Claims (1)
内部に挿通されたシリンダと、 前記シリンダの端部にてそのシリンダと前記ラ
ツクとの間に挿置され、ラツクの周囲に嵌まり合
うシール部材を支持する筒状部材と、 前記ラツクに固定されて前記シリンダの内側に
嵌合するピストンとを具えてなり、 前記ピストンが、前記シリンダを貫通するポー
トからそのシリンダ内に供給される液圧により付
勢されて前記ラツクに操舵補助力を与えるパワー
シリンダにおいて、 前記筒状部材の外周面に、前記ポートに対し半
径方向へ整列する周方向溝を設けるとともに、前
記パワーシリンダが車両へ組付けられた状態で上
向きに位置して前記シール部材を跨ぎ前記周方向
溝と前記シリンダ内とを連通させる軸線方向溝を
設けたことを特徴とするラツクピニオン式パワー
ステアリング用パワーシリンダ。[Claims for Utility Model Registration] A cylinder with a rack of a rack and pinion steering gear inserted into the inside, and a cylinder inserted between the cylinder and the rack at the end of the cylinder, and fitted around the rack. a cylindrical member supporting a mating seal member; and a piston fixed to the rack and fitting inside the cylinder, the piston being fed into the cylinder from a port passing through the cylinder. In the power cylinder that is energized by hydraulic pressure to provide a steering assist force to the rack, a circumferential groove is provided on the outer peripheral surface of the cylindrical member and is aligned in a radial direction with respect to the port, and the power cylinder A power cylinder for a rack and pinion type power steering, characterized in that an axial groove is provided that faces upward in an assembled state and straddles the seal member to communicate the circumferential groove with the inside of the cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11797988U JPH0239969U (en) | 1988-09-09 | 1988-09-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11797988U JPH0239969U (en) | 1988-09-09 | 1988-09-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0239969U true JPH0239969U (en) | 1990-03-19 |
Family
ID=31361927
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11797988U Pending JPH0239969U (en) | 1988-09-09 | 1988-09-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0239969U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011232A1 (en) * | 1992-11-10 | 1994-05-26 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Hydraulic cylinder |
-
1988
- 1988-09-09 JP JP11797988U patent/JPH0239969U/ja active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994011232A1 (en) * | 1992-11-10 | 1994-05-26 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Hydraulic cylinder |
| US5495792A (en) * | 1992-11-10 | 1996-03-05 | Kabushiki Kaisha Toyoda Jidoshokki Seisakusho | Double acting hydraulic cylinder with improved lubrication and piston rod guides |
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