According to the present invention, a motor driven steering apparatus is disclosed. According to the present invention, the motor driven steering apparatus comprises: a screw rack rotationally installed within a rack housing, wherein a spiral screw groove portion is formed on an external side surface; a ball nut body formed to be cylindrical for the screw rack to be inserted thereinto, wherein a spiral circulation groove portion is formed in response to the screw groove portion, a plurality of rolling balls are moved in the circulation groove portion, the screw rack is moved by rotation, and a stepped portion is formed in both sides; an end cap coupled to the circulation groove portion to form a ball entrance of the circulation groove portion; and a clearance compensation ring installed in an internal side of the stepped portion to support the end cap, wherein a snap ring portion and a damping ring portion are formed to be integrally overlapped.

    전동식 조향장치에 대한 발명이 개시된다. 본 발명의 전동식 조향장치는: 랙 하우징의 내부에 회전 가능하게 설치되고, 외측면에 나선형의 스크류홈부가 형성되는 스크류 랙; 스크류 랙이 삽입되도록 원통형으로 형성되고, 스크류홈부에 대응되도록 나선형 순환홈부가 형성되고, 순환홈부에 복수의 구름볼이 유동되고, 회전됨에 따라 스크류 랙을 이동시키고, 양측에 단차부가 형성되는 볼너트 몸체; 순환홈부에 결합되어 순환홈부의 볼출입구를 형성하는 엔드캡; 및 단차부의 내측에 설치되어 엔드캡을 지지하고, 스냅링부와 댐핑링부가 일체로 겹쳐지게 형성되는 유격 보상링을 포함하는 것을 특징으로 한다.


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    Title :

    MOTOR DRIVEN POWER STEERING APPARATUS


    Additional title:

    전동식 조향장치


    Contributors:

    Publication date :

    2016-05-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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