The present invention relates to an electric steering gear box for aa vehicle, which comprises: a steering shaft unit receiving steering force from a steering wheel and a motor to be rotated; a ball screw connected to the steering shaft unit; a screw nut linked to rotation of the ball screw to be moved along the ball screw and having a first link shaft unit; a pitman arm installed to be rotatable in an arm rotational shaft and having a second link shaft unit; and a link bar, of which one end part is coupled to the first link shaft unit and the other end part is coupled to the second link shaft unit, linked to movement of the screw nut to vary a gradient and transmit rotational force to the pitman arm.

    본 발명은 차량용 전동식 조향기어박스에 관한 것으로, 조향휠과 모터로부터 조향력을 입력받아 회전되는 조향샤프트부와, 조향샤프트부와 연결되는 볼스크류와, 볼스크류의 회전에 연동하여 볼스크류를 따라 이동되고, 제1링크축부가 형성되는 스크류너트와, 암회동축에 회동가능하게 설치되고, 제2링크축부가 형성되는 피트먼암과, 일단부가 제1링크축부에 결합되고, 타단부가 제2링크축부에 결합되며, 스크류너트의 이동에 연동하여 기울기가 가변되면서 피트먼암에 회동력을 전달하는 링크바를 포함하는 것을 특징으로 한다.


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    Title :

    ELECTRIC TYPE STEERING GEAR BOX FOR VEHICLE


    Additional title:

    차량용 전동식 조향기어박스


    Contributors:
    KIM BONG SOO (author) / PARK SU JU (author) / LEE SUNG YUB (author)

    Publication date :

    2021-05-10


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge



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