JPH0274276U - - Google Patents
Info
- Publication number
- JPH0274276U JPH0274276U JP15433588U JP15433588U JPH0274276U JP H0274276 U JPH0274276 U JP H0274276U JP 15433588 U JP15433588 U JP 15433588U JP 15433588 U JP15433588 U JP 15433588U JP H0274276 U JPH0274276 U JP H0274276U
- Authority
- JP
- Japan
- Prior art keywords
- thread groove
- piston
- spool
- groove
- 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.)
- Pending
Links
- 238000005096 rolling process Methods 0.000 claims 1
Description
第１図は本考案の断面図、第２図は第１図―
線の断面図、第３図は従来の断面図、第４図は
第３図―線の断面図である。
２０……パワーシリンダ、２１……ピストン、
２２……ラツク歯、２３……クロスシヤフト、２
４……セクタギヤ、２５……ボールナツト、２６
……メネジ溝、２７……ボールネジ、２８……オ
ネジ溝、２９……ボール、３０……溝、３１……
スプールバルブ、３２……スプール、３３……ピ
ン。
Figure 1 is a sectional view of the present invention, Figure 2 is the same as Figure 1.
FIG. 3 is a conventional sectional view, and FIG. 4 is a sectional view along line 3--FIG. 20...Power cylinder, 21...Piston,
22...Rack tooth, 23...Cross shaft, 2
4...Sector gear, 25...Ball nut, 26
...Female thread groove, 27...Ball screw, 28...Male thread groove, 29...Ball, 30...Groove, 31...
Spool valve, 32...spool, 33...pin.
Claims (1)
を有するボールネジと、前記オネジ溝と対応する
メネジ溝を有し、このメネジ溝とオネジ溝間を転
がり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を内臓したピストンと、
このピストンに形成されたラツク歯に噛合するセ
クタギヤを備えたクロスシヤフトと、前記ピスト
ン並びにセクタギヤを囲み、ピストンの左右に油
室を形成したギヤハウジングを兼用するパワーシ
リンダと、このパワーシリンダの外側に設けられ
前記パワーシリンダの油室に圧油を給排制御する
スプールバルブとを備え、前記ボールナツトの外
径面に軸方向の溝を設け、前記スプールバルブの
スプールにピンを固着し、このピンを前記溝に係
合したことを特徴とするパワーステアリング。 A ball screw rotated by a steering shaft and having a male thread groove, and a female thread groove corresponding to the male thread groove, are screwed together and moved in the axial direction via a ball that circulates while rolling between the female thread groove and the male thread groove. A piston with a built-in ball nut,
A cross shaft equipped with a sector gear that meshes with the rack teeth formed on this piston, a power cylinder that surrounds the piston and sector gear and doubles as a gear housing with oil chambers formed on the left and right sides of the piston, and A spool valve is provided to control the supply and discharge of pressure oil to the oil chamber of the power cylinder, an axial groove is provided on the outer diameter surface of the ball nut, a pin is fixed to the spool of the spool valve, and the pin is fixed to the spool of the spool valve. A power steering device characterized in that the power steering wheel engages with the groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15433588U JPH0274276U (en) | 1988-11-29 | 1988-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15433588U JPH0274276U (en) | 1988-11-29 | 1988-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0274276U true JPH0274276U (en) | 1990-06-06 |
Family
ID=31430975
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15433588U Pending JPH0274276U (en) | 1988-11-29 | 1988-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0274276U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419371U (en) * | 1990-06-08 | 1992-02-18 |
-
1988
- 1988-11-29 JP JP15433588U patent/JPH0274276U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0419371U (en) * | 1990-06-08 | 1992-02-18 |
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