DEVICE FOR ADJUSTING THE HEIGHT OF VEHICLE

Disclosed is an invention for a vehicle height adjusting device capable of reducing the production cost by reducing the number of parts of the vehicle height adjusting device. According to the present invention, the vehicle height adjusting device comprises: a rear wheel cylinder unit having an inner space supplied with a working fluid; a rear wheel piston unit located inside the rear wheel cylinder unit and moving in a straight line by the working fluid; a rotation preventing unit which is fixed to the rear wheel cylinder unit and protrudes toward the rear wheel piston unit; and a rear wheel guide unit forming a groove unit into which the rotation preventing unit is inserted on a side surface of the rear wheel piston unit facing the rotation preventing unit. 차고 조절장치에 대한 발명이 개시된다. 본 발명의 차고 조절장치는: 작동유체를 공급받는 내측공간을 구비하는 후륜실린더부와, 후륜실린더부의 내측에 위치하며 작동유체에 의해 직선 방향으로 이동되는 후륜피스톤부와, 후륜실린더부에 고정되며 후륜피스톤부를 향하여 돌출되는 회전방지부 및 회전방지부와 마주하는 후륜피스톤부의 측면에 회전방지부가 삽입되는 홈부를 형성하는 후륜안내부를 포함하는 것을 특징으로 한다.