Car cavity assembled filling member

The utility model relates to a car cavity assembled filling member has skeleton body and foaming body, the foaming body is including through the side cladding with skeleton body of moulding plastics, skeleton body's side be equipped with with car cavity chamber wall on jack complex buckle, the buckle includes the body, be equipped with the latch subassembly on the body, the latch subassembly includes main latch, atress latch, affiliated card tooth and affiliated card groove, the tail end and the skeleton body integrated into one piece of body, main latch setting is at the top of body, the atress latch sets up on main latch, the affiliated card tooth sets up on the atress latch, secondary clamping groove sets up on the body, affiliated card gear position is in relative one side of the atress of atress latch side, secondary clamping groove is located the below of affiliated card tooth, main latch is outside upset under atress latch stress belt moves, and the affiliated card tooth overturns downwards and is conn