Swing arm connecting structure for automobile and automobile

The utility model provides a swing arm connecting structure for an automobile and the automobile, the connecting structure comprises an outer sleeve, an elastic lining and an inner pipe, the inner pipe is arranged in the elastic lining and connected with the elastic lining, the outer sleeve is arranged outside the elastic lining in a sleeving mode, and the elastic lining axially limits the outer sleeve; a concave part is constructed on the outer wall of the elastic lining, the concave part is formed by sinking the outer surface of the elastic lining towards the inner pipe side, the outer sleeve covers an opening part of the concave part, a receding cavity is defined by the outer sleeve and the concave part, the elastic lining is provided with a pressing part, the pressing part is connected with the concave part in the axial direction, and the pressing part is pressed on the inner wall of the outer sleeve in the radial direction and deforms; limiting bosses are arranged at the two ends of the elastic lining co