본 실시예들은 스티어 바이 와이어식 조향장치에 관한 것으로, 본 실시예들에 의하면, 조향축과 모터축 중 어느 일측에 결합되며, 일측단 외주면에 축방향의 고정홈이 형성되어 있는 제1부재, 고정홈과 대응되는 고정돌기가 축방향으로 형성되어 제1부재의 외측에 결합되며 일측단부 면에 원주방향으로 이격 배치되는 제1지지홈이 형성되어 있는 제2부재, 조향축과 모터축 중 나머지 일측에 결합되며, 제1지지홈과 대응되는 위치에 제2지지홈이 형성되어 있는 제3부재, 제1지지홈과 제2지지홈에 지지되며 삽입되는 볼부재, 조향축이 내장되는 하우징에 고정되는 환형으로 형성되며 내주면에 축방향의 걸림홈이 형성되며 제2부재와 제3부재의 외주면에 결합되는 회전방지부재를 포함하는 스티어 바이 와이어식 조향장치가 제공될 수 있다.
The present invention relates to a steer-by-wire type steering device and, more specifically, to a steer-by-wire type steering device capable of preventing rotation of a steering shaft when a driver generates rotation torque in excess of the reaction torque in the steering shaft. According to embodiments of the present invention, the steer-by-wire type steering device includes: a first member connected to one side of the steering shaft or a motor shaft and having a fixing groove of an axial direction on the outer circumference of one end; a second member connected to the outside of the first member by having a fixing protrusion corresponding to the fixing groove and formed in the axial direction, wherein the second member also has a first support groove installed at an interval in a circumferential direction on the surface of one end and is connected to the outside of the first member; a third member connected to the remaining one side of the steering shaft or the motor shaft and having a second support groove formed at a position corresponding to the first support groove; a ball member supported and inserted into the first support groove and the second support groove; and a rotation preventing member formed in a ring shape fixed to a housing including the steering shaft and having a hanging groove of the axial direction on the inner circumference, wherein the rotation preventing member is connected to the outer circumferences of the second member and the third member.
Steer-By-Wire Type Steering Apparatus
스티어 바이 와이어식 조향장치
2023-06-29
Patent
Electronic Resource
Korean
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |