Frame for travel suitcase and connecting structure of travel suitcase shell and frame

The invention provides a suitcase frame and a suitcase shell and frame connecting structure, the suitcase frame comprises an annular frame, two end faces of the frame are respectively provided with a connecting groove, and the connecting grooves are arranged along the circumferential direction of the frame; the bottom of the connecting groove is provided with an inserting groove, the two side walls of the inserting groove in the length direction are respectively provided with a protruding anti-disengaging part, the two end faces of the frame are respectively provided with a deformation groove, the deformation grooves correspond to the inserting groove, the deformation grooves are located on the inner side or the outer side of the inserting groove, and the deformation grooves are communicated with the inserting groove. A first guide inclined face is formed on the side face, facing the deformation groove, of the anti-disengaging part, the distance from the first guide inclined face to the deformation groove is