Retractable apron structure of amphibious aircraft

The invention provides a retractable apron structure of an amphibious aircraft. The retractable apron structure comprises an apron structure and a capsule body retracting device. The apron structure comprises an arc-shaped rigid surface and a capsule body, wherein one end of the arc-shaped rigid surface is hinged to a hull, the other end of the arc-shaped rigid surface is hinged to the capsule body, the capsule body is further hinged to the bottom of the hull, and an exhaust hole channel is arranged at the joint between the capsule body and an air chamber. The capsule body retracting device comprises a connecting rope, a miniature electric hoist and a connecting piece, wherein the miniature electric hoist is arranged at the top end of the air chamber, the connecting piece is arranged on the capsule body, the connecting piece is connected to one end of the connecting rope, and the miniature electric hoist is connected to the other end of the connecting rope. The retractable apron structure of the amphibious ai