PROBLEM TO BE SOLVED: To provide a rack pinion type steering apparatus that increases the support rigidity of a pinion shaft to prevent an increase in abnormal noise.SOLUTION: In a rack pinion type steering apparatus which comprises: a gear housing 11; a first rolling bearing 23 installed in the gear housing 11 and located on a steering wheel side; a second rolling bearing 22 installed in the gear housing 11 and located on a side opposite to the steering wheel; a pinion shaft 30 rotatably supported by the gear housing 11 through the first and second rolling bearings 23, 22; and a rack shaft 40 engaged with the pinion shaft 30, and in which the first rolling bearing 23 is sandwiched in the axial direction of the pinion shaft 30 by a step surface 26 formed in the gear housing 11 and a lock nut 25 screwed with the gear housing 11, a plain bearing 80 rotatably supporting the pinion shaft 30 with respect to the gear housing 11 is installed between the lock nut 25 and the pinion shaft 30.

    【課題】ピニオンシャフトの支持剛性を高め、異音が大きくなるのを防止したラックピニオン式舵取装置を提供する。【解決手段】ギヤハウジング11と、ギヤハウジング11内に設けられ、ハンドル側の第1転がり軸受23と、ギヤハウジング11内に設けられ、ハンドルと反対側の第2転がり軸受22と、1転がり軸受23および第2転がり軸受22を介してギヤハウジング11に回転可能に支持されるピニオンシャフト30と、このピニオンシャフト30に噛合するラック軸40とを備え、第1転がり軸受23を、ギヤハウジング11に形成した段面26と、ギヤハウジング11に螺合されるロックナット25とで、ピニオンシャフト30の軸方向に挟持したラックピニオン式舵取装置において、ロックナット25およびピニオンシャフト30間に、ギヤハウジング11に対しピニオンシャフト30を回転可能に支持する滑り軸受80を設けた。【選択図】図2


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    Title :

    RACK PINION TYPE STEERING APPARATUS


    Additional title:

    ラックピニオン式舵取装置


    Contributors:

    Publication date :

    2015-06-04


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16C SHAFTS , Wellen / F16H Getriebe , GEARING



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