JPH0483880U - - Google Patents
Info
- Publication number
- JPH0483880U JPH0483880U JP12814690U JP12814690U JPH0483880U JP H0483880 U JPH0483880 U JP H0483880U JP 12814690 U JP12814690 U JP 12814690U JP 12814690 U JP12814690 U JP 12814690U JP H0483880 U JPH0483880 U JP H0483880U
- Authority
- JP
- Japan
- Prior art keywords
- ball screw
- nut member
- steering
- screw shaft
- steering 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.)
- Pending
Links
- 238000007599 discharging Methods 0.000 claims 1
- 230000036316 preload Effects 0.000 claims 1
Description
第１図は本考案に係る動力舵取装置の要部を示
す縦断面図、第２図は従来の動力舵取装置の要部
を示す縦断面図である。
１……ボールねじ軸、２……ハウジング、２ａ
……大径部、２ｂ……小径部、３……ナツト部材
、７……油圧制御弁、８……エンドカバー、１０
，１１……軸受、Ｓ……パワーシリンダ。
FIG. 1 is a longitudinal sectional view showing the main parts of a power steering device according to the present invention, and FIG. 2 is a longitudinal sectional view showing the main parts of a conventional power steering device. 1...Ball screw shaft, 2...Housing, 2a
... Large diameter part, 2b ... Small diameter part, 3 ... Nut member, 7 ... Hydraulic control valve, 8 ... End cover, 10
, 11...Bearing, S...Power cylinder.
Claims (1)
を舵輪軸に連結されたボールねじ軸を、筒形のハ
ウジングに軸長方向への摺動自在に内嵌されたナ
ツト部材に螺合させてなり、舵輪に連動するボー
ルねじ軸の回転をナツト部材の摺動に変換して舵
取りを行わせるボールねじ式の舵取機構に備えら
れ、前記ボールねじ軸と舵輪軸との連結部に舵輪
操作に応じて油圧を給排する油圧制御弁を、また
前記ハウジングの内部に前記ナツト部材をピスト
ンとする油圧シリンダを夫々構成し、該油圧シリ
ンダの前記ナツト部材を前記油圧制御弁からの送
給油圧にて動作させて舵取りを補助する動力舵取
装置において、 前記ハウジングは、前記ナツト部材に収納する
大径部と、これの一側に同軸的に連設されて前記
油圧制御弁を収納する小径部と、同じく他側開口
端に螺合固定されたエンドカバーとを備え、 前記ボールねじ軸を支持する一対の軸受の一方
は、前記小径部との連設側にて前記大径部に内嵌
固定してあり、また他方は、前記エンドカバーに
内嵌固定してあつて、該エンドカバーの螺進によ
り前記両軸受に予圧を与えるようになしてあるこ
とを特徴とする動力舵取装置。[Claim for Utility Model Registration] A ball screw shaft whose threaded portion is supported by a pair of bearings on both sides and whose one end is connected to a steering wheel shaft is fitted into a cylindrical housing so as to be slidable in the longitudinal direction of the shaft. The steering mechanism is provided in a ball screw type steering mechanism that converts the rotation of a ball screw shaft interlocked with the steering wheel into sliding motion of the nut member to perform steering, and the ball screw shaft and the nut member are screwed together. A hydraulic control valve for supplying and discharging hydraulic pressure in response to steering wheel operation is provided at a connection portion with the steering wheel shaft, and a hydraulic cylinder having the nut member as a piston is configured inside the housing, and the nut member of the hydraulic cylinder is configured to In the power steering device that is operated by hydraulic pressure supplied from the hydraulic control valve to assist steering, the housing is coaxially connected to one side of a large diameter portion housed in the nut member. and a small diameter part that houses the hydraulic control valve, and an end cover that is also screwed and fixed to the other open end, and one of the pair of bearings that supports the ball screw shaft is connected to the small diameter part. One side is fitted and fixed to the large diameter portion, and the other side is fitted and fixed to the end cover, so that the screwing of the end cover applies preload to both the bearings. A power steering device characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12814690U JPH0483880U (en) | 1990-11-29 | 1990-11-29 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP12814690U JPH0483880U (en) | 1990-11-29 | 1990-11-29 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0483880U true JPH0483880U (en) | 1992-07-21 |
Family
ID=31875617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP12814690U Pending JPH0483880U (en) | 1990-11-29 | 1990-11-29 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0483880U (en) |
-
1990
- 1990-11-29 JP JP12814690U patent/JPH0483880U/ja active Pending
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