Quick installation type plastic steel door pocket

The utility model provides a quick installation type plastic steel door pocket, the door pocket structure comprises a door frame pinch plate, a decorative side plate and a door side plate, the door frame pinch plate is provided with a catching groove corresponding to the thickness of a door opening wall body, the door frame pinch plate is fixed on the inner side edge of the door opening wall body in parallel through the catching groove, and the decorative side plate is fixed on the door frame pinch plate. The decorative side plates are arranged parallel to the side edge faces of the door opening wall and fixed to the side edges of the door frame buckle plate in an inserted mode, and the door frame buckle plate, the decorative side plates and the door edge side plates integrally form a U-shaped section structure. The door pocket structure is mainly formed by fixing three parts, the three parts are mutually fixed in an inserted mode to form an integral surrounding mode of a door opening wall body, the door pock