JPH0419371U - - Google Patents
Info
- Publication number
- JPH0419371U JPH0419371U JP6091690U JP6091690U JPH0419371U JP H0419371 U JPH0419371 U JP H0419371U JP 6091690 U JP6091690 U JP 6091690U JP 6091690 U JP6091690 U JP 6091690U JP H0419371 U JPH0419371 U JP H0419371U
- Authority
- JP
- Japan
- Prior art keywords
- spool
- thread groove
- groove
- steering device
- spool 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.)
- Granted
Links
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案実施例の構成を示す断面図。第
２図は本考案実施例におけるスフエリカルジヨイ
ントを用いた場合の構成を示す図。第３図は従来
例の構成を示す断面図。
１……ピストン、２……ラツク歯、３……クロ
スシヤフト、４……セクタギヤ、５……ボールナ
ツト、５ａ……溝、６……ピン、７……ボールネ
ジ、１０……パワーシリンダ、１１……スプール
バルブ、１１ａ……スプール、１２……レバー、
１３……シヤフト、１４……ボールジヨイントシ
ート。
FIG. 1 is a sectional view showing the configuration of an embodiment of the present invention. FIG. 2 is a diagram showing a configuration when using a spherical joint in an embodiment of the present invention. FIG. 3 is a sectional view showing the configuration of a conventional example. 1...Piston, 2...Rack tooth, 3...Cross shaft, 4...Sector gear, 5...Ball nut, 5a...Groove, 6...Pin, 7...Ball screw, 10...Power cylinder, 11... ...Spool valve, 11a...Spool, 12...Lever,
13...Shaft, 14...Ball joint seat.
Claims (1)
て回転するポールネジ７と、 前記オネジ溝と対応するメネジ溝を有し、この
メネジ溝と前記オネジ溝間を転動しながら循環す
るボールを介して螺合し軸方向に移動するボール
ナツト５を内包したピストン１と、 このピストンの外側に形成されたラツク歯２に
噛合するセクタギヤ４を備えたクロスシヤフト３
と、 前記ピストンおよびセクタギヤを囲み、空間に
油室を形成したパワーシリンダ１０と、 このパワーシリンダの外側に設けられ、前記油
室に圧油を給排制御するスプールバルブ１１と を備え、 前記ボールナツト５の外径面に軸方向の溝５ａ
を設け、 前記スプールバルブのスプール１１ａと前記溝
５ａとを連結する手段を備えたパワーステアリン
グ装置において、 前記連結する手段は、 一端が前記スプールバルブのスプールに設けら
れた凹部に係合し、その他端が前記ボールナツト
の溝に係合し、さらにそのほぼ中央部が前記パワ
ーシリンダに支点まわりに回動自在に取付けられ
たレバー１２を備えた ことを特徴とするパワーステアリング装置。 ２ 前記支点は前記パワーシリンダに固着された
シヤフト１３である請求項１記載のパワーステア
リング装置。 ３ 前記支点はスフエリカルジヨイントである請
求項１記載のパワーステアリング装置。[Claims for Utility Model Registration] 1. A pole screw 7 having a male thread groove and rotated by the steering shaft, and a female thread groove corresponding to the male thread groove, and a pole screw 7 that rotates between the female thread groove and the male thread groove. A cross shaft 3 includes a piston 1 containing a ball nut 5 that is screwed together through circulating balls and moves in the axial direction, and a sector gear 4 that meshes with rack teeth 2 formed on the outside of this piston.
a power cylinder 10 that surrounds the piston and the sector gear and has an oil chamber formed in the space; and a spool valve 11 that is provided on the outside of the power cylinder and controls the supply and discharge of pressure oil to the oil chamber, and the ball nut. An axial groove 5a is formed on the outer diameter surface of 5.
and a power steering device comprising means for connecting the spool 11a of the spool valve and the groove 5a, wherein one end of the connecting means engages with a recess provided in the spool of the spool valve, and the other end engages with a recess provided in the spool of the spool valve. A power steering device comprising a lever 12 whose end engages with the groove of the ball nut and whose substantially central portion is rotatably attached to the power cylinder around a fulcrum. 2. The power steering device according to claim 1, wherein the fulcrum is a shaft 13 fixed to the power cylinder. 3. The power steering device according to claim 1, wherein the fulcrum is a spherical joint.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990060916U JP2532934Y2 (en) | 1990-06-08 | 1990-06-08 | Power steering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990060916U JP2532934Y2 (en) | 1990-06-08 | 1990-06-08 | Power steering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0419371U true JPH0419371U (en) | 1992-02-18 |
| JP2532934Y2 JP2532934Y2 (en) | 1997-04-16 |
Family
ID=31588702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990060916U Expired - Lifetime JP2532934Y2 (en) | 1990-06-08 | 1990-06-08 | Power steering device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2532934Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274276U (en) * | 1988-11-29 | 1990-06-06 |
-
1990
- 1990-06-08 JP JP1990060916U patent/JP2532934Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0274276U (en) * | 1988-11-29 | 1990-06-06 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2532934Y2 (en) | 1997-04-16 |