JPH0470575U

JPH0470575U -

Info

Publication number: JPH0470575U
Application number: JP11447690U
Authority: JP
Priority date: 1990-10-31
Filing date: 1990-10-31
Publication date: 1992-06-23

Description

[Brief explanation of the drawing]

第１図は本考案の一実施例に係るラツクピニオ
ン式パワーステアリングのピニオンシヤフトとバ
ルブスリーブとの連結部の横断面図、第２図はラ
ツクピニオン式パワーステアリングの全体の縦断
面図、第３図〜第５図はそれぞれ異なる他の実施
例を示す第１図と同様の横断面図、第６図は従来
のラツクピニオン式パワーステアリングのピニオ
ンシヤフトとバルブスリーブの斜視図、第７図は
従来のラツクピニオン式パワーステアリングの第
１図と同様の図、第８図は従来のピニオンシヤフ
トとバルブスリーブとの相対的な動きを説明する
図である。２……スタブシヤフト、２ｂ……バルブロータ
、４……ピニオンシヤフト、４ｂ……ピニオンシ
ヤフトの切欠き、１０……バルブスリーブ、１０
ａ……バルブスリーブの貫通穴、１２……ピン。 FIG. 1 is a cross-sectional view of the connecting portion between the pinion shaft and the valve sleeve of a rack-pinion power steering system according to an embodiment of the present invention, FIG. 2 is a vertical cross-sectional view of the entire rack-pinion power steering system, and FIG. 5 are cross-sectional views similar to FIG. 1 showing other different embodiments, FIG. 6 is a perspective view of the pinion shaft and valve sleeve of a conventional rack and pinion power steering system, and FIG. 7 is a conventional FIG. 8 is a diagram similar to FIG. 1 of the rack and pinion power steering system, and is a diagram illustrating the relative movement between a conventional pinion shaft and a valve sleeve. 2... Stub shaft, 2b... Valve rotor, 4... Pinion shaft, 4b... Pinion shaft notch, 10... Valve sleeve, 10
a...Valve sleeve through hole, 12...pin.

Claims

[Scope of utility model registration request]

A stub shaft rotated by operation of a steering handle, a pinion shaft disposed on the same axis as the stub shaft, a valve rotor provided on the stub shaft, and a pinion shaft fitted on the outer periphery of the valve rotor. A pin is inserted into a radial through hole formed in the valve sleeve and a notch formed in an end of the pinion shaft to connect the valve sleeve and the pinion shaft, so that the valve sleeve and the pinion shaft are connected integrally. The rack and pinion power steering system is characterized in that one of the contact parts between the notch of the pinion shaft and the pin has an arcuate cross section perpendicular to the axis, thereby bringing the two into point contact. Rack and pinion power steering.