JPS6393273U - - Google Patents
Info
- Publication number
- JPS6393273U JPS6393273U JP18941586U JP18941586U JPS6393273U JP S6393273 U JPS6393273 U JP S6393273U JP 18941586 U JP18941586 U JP 18941586U JP 18941586 U JP18941586 U JP 18941586U JP S6393273 U JPS6393273 U JP S6393273U
- Authority
- JP
- Japan
- Prior art keywords
- rack shaft
- ball screw
- screw mechanism
- spiral groove
- rack
- 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
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
図面はこの考案の一実施例にかかる電動パワー
ステアリング装置の断面図である。
１１…ギアケース、１２…ラツク軸、１３…ピ
ニオンギア、１４…ラツクギア、１７…電動機、
２７…歯車減速機構、２８…ボールスクリユ機構
、３３…ナツト部材、３３ａ，３４ａ…螺旋溝、
３４…ウオーム部材、３５…ボール、３７…弾性
部材。
The drawing is a sectional view of an electric power steering device according to an embodiment of the invention. 11... Gear case, 12... Rack shaft, 13... Pinion gear, 14... Rack gear, 17... Electric motor,
27... Gear reduction mechanism, 28... Ball screw mechanism, 33... Nut member, 33a, 34a... Spiral groove,
34... Worm member, 35... Ball, 37... Elastic member.
Claims (1)
軸および操向車輪と連結したラツク軸を支持し、
該ラツク軸に形成されたラツクギアと前記ピニオ
ン軸に固設されたピニオンギアとを噛合させると
ともに、操舵補助力を発生する電動機を設け、該
電動機をボールスクリユ機構を介して前記ラツク
軸に動力伝達可能に連結した電動パワーステアリ
ング装置において、 前記ボールスクリユ機構が、 前記ラツク軸が内挿されて該ラツク軸に弾性部
材を介し該ラツク軸と一体の軸方向変位可能に結
合するとともに、外周部に螺旋溝が形成された円
筒状のウオーム部材と、 前記ギアケースに回転自在に支持されて前記電
動機に連結され、内周部に前記ウオーム部材の螺
旋溝と多数のボールを介して螺合する螺旋溝が形
成されたナツト部材と、 を備えることを特徴とする電動パワーステアリン
グ装置。[Scope of claim for utility model registration] A gear case supports a pinion shaft connected to a steering handle and a rack shaft connected to a steering wheel,
A rack gear formed on the rack shaft and a pinion gear fixed to the pinion shaft are engaged with each other, and an electric motor is provided that generates steering assist force, and power can be transmitted to the rack shaft via a ball screw mechanism. In the electric power steering device connected to the ball screw mechanism, the rack shaft is inserted into the ball screw mechanism, and the ball screw mechanism is connected to the rack shaft through an elastic member so as to be able to be integrally displaced in the axial direction, and has a spiral groove in the outer peripheral portion. a cylindrical worm member formed with a cylindrical worm member; and a spiral groove rotatably supported by the gear case and connected to the electric motor, the inner circumferential portion of which is threadedly engaged with the spiral groove of the worm member via a number of balls. An electric power steering device comprising: a formed nut member;
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18941586U JPS6393273U (en) | 1986-12-09 | 1986-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18941586U JPS6393273U (en) | 1986-12-09 | 1986-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6393273U true JPS6393273U (en) | 1988-06-16 |
Family
ID=31141696
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18941586U Pending JPS6393273U (en) | 1986-12-09 | 1986-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6393273U (en) |
-
1986
- 1986-12-09 JP JP18941586U patent/JPS6393273U/ja active Pending