Double layer automatic parking device for sedan

The utility model discloses a double-layer automatic parking device for a sedan, which comprises an electric motor, a speed controller of the electric motor and a parking platform. The utility model is characterized in that a parallelogrammic movable connecting rod is connected by a hanger rod and a cross rod; an upper-layer lifting parking platform is composed of a fixed frame of which the bottom is connected with the bottom of four connecting rods, and a lower-layer parking platform is composed of a parking plate which is arranged in a fixing support, a guide wheel and a guide rail, wherein, the guide wheel and the guide rail are arranged above the parking plate and below a flat plate; when the electric motor works, an inhaul cable is pulled tightly or relaxed so as to realize upper-layer lifting operation, and the upper-layer parking plate and the lower-layer parking plate respectively work and are respectively positioned without affecting each other. The utility model has simple structure and stable and safe running operation; meanwhile, the utility model fully uses space, and provides a parking device which has low cost, safety and convenience for public places or private garages.