The present invention relates to a motor-driven steering apparatus. In particularly, the motor-driven steering apparatus comprises: a worm wheel portion having a worm wheel gear formed on the outer circumference thereof, and having a through hole formed in the center thereof; a hub portion which has a through hole formed therethrough so that a steering shaft is fitted and coupled thereto, and has an inner boss coupled therethrough to circumscribe the through hole of the worm wheel portion; a cover plate coupled to cover the other surface of the worm wheel portion; and a damper portion for reducing vibration or shock when driving force is transmitted from the worm wheel portion to the steering shaft via the hub portion. The damper portion includes a plurality of one dampers accommodated in a plurality of one damper accommodating grooves formed on one surface of the worm wheel portion to be spaced apart from each other in a circumferential direction, and coupled thereto, and a plurality of the other dampers accommodated in a plurality of the other damper grooves formed on the other surface of the worm wheel portion to be spaced apart from each other in the circumferential direction, and coupled thereto, so that costs can be reduced, the number of manufacturing processes can be reduced, and damage to the dampers is minimized to increase durability.

    본 발명은 전동식 조향 w아치에 관한 것으로서, 특히, 외주에 웜 휠기어가 형성되고, 중심에 관통홀이 형성된 웜휠부, 조향축이 끼움 결합되는 통공이 관통되게 형성되되, 상기 웜휠부의 관통홀에 외접하도록 관통 결합되는 이너 보스가 형성된 허브부, 상기 웜휠부의 타측면을 커버링하도록 결합되는 커버 플레이트 및 상기 웜휠부로부터 상기 허브부를 매개로 상기 조향축에 구동력 전달시 진동 또는 충격을 저감하는 댐퍼부를 포함하고, 상기 댐퍼부는, 상기 웜휠부의 일측면에 원주 방향으로 이격되게 형성된 다수의 일측 댐퍼 수용홈에 수용 결합되는 다수의 일측 댐퍼 및 상기 웜휠부의 타측면에 원주 방향으로 이격되게 형성된 다수의 타측 댐퍼 수용홈에 수용 결합되는 다수의 타측 댐퍼를 포함함으로써, 원가를 절감하고 제조 공정 수를 단축하며 댐퍼의 손상을 최소화하여 내구성을 향상시킬 수 있는 이점을 제공한다.


    Access

    Download


    Export, share and cite



    Title :

    ELECTRICAL WHEEL STEERING APPARATUS


    Additional title:

    전동식 조향 장치


    Contributors:

    Publication date :

    2020-05-08


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Korean


    Classification :

    IPC:    B62D MOTOR VEHICLES , Motorfahrzeuge / F16F SPRINGS , Federn / F16H Getriebe , GEARING



    ELECTRICAL WHEEL STEERING APPARATUS

    European Patent Office | 2020

    Free access

    Steering wheel apparatus

    TSUJI HARUKI / TABATA TAKEHIRO / KOIZUMI TAKAAKI | European Patent Office | 2020

    Free access

    VEHICLE STEERING WHEEL WITH ELECTRICAL DEVICE

    WENDLAND VOLKER | European Patent Office | 2023

    Free access

    REAR WHEEL STEERING APPARATUS

    BAEK HOON YEOL | European Patent Office | 2020

    Free access

    REAR-WHEEL STEERING APPARATUS

    FUJITA YOSHITAKA | European Patent Office | 2016

    Free access