Mechanical automatic stretching-out car door handle

A mechanical automatic stretching-out car door handle comprises a car door handle body, an outer handle, a sliding shaft and a rotating part. An abutting portion is arranged on the outer handle and can rotate around the sliding shaft. The sliding shaft is mounted in arc grooves in a sliding manner. The arc grooves are formed in a U-shaped vertical plate. The U-shaped vertical plate is arranged on the side, opposite to the outer handle, of the car door handle body. A convex lug is arranged on one side of the U-shaped vertical plate and provided with a fixed shaft. The rotating part is in pin joint to the other end of the fixed shaft. The position, between the convex lug and the rotating part, of the fixed shaft is sleeved with a torsional spring. One end of the torsional spring is connected with one side of the convex lug in an abutting manner, the other end of the torsional spring is connected with the pressed portion of the rotating part in an abutting manner, and the pressed portion is in movable contact wi