Advertising machine convenient to disassemble and assemble in elevator

The utility model discloses an in-elevator advertising machine convenient to disassemble and assemble, and belongs to the technical field of elevators, the in-elevator advertising machine convenient to disassemble and assemble comprises an elevator car and an advertising machine body, a U-shaped groove is formed in the rear side face of the inner wall of the elevator car, extrusion plates are arranged at the left end and the right end of the U-shaped groove, and connecting plates are installed on the rear side faces of the extrusion plates; two first springs are installed on the rear side face of the inner wall of the U-shaped groove, one ends of the first springs are fixedly connected with the connecting plate, an L-shaped bottom plate is installed on the rear side face of the inner wall of the elevator car, and the advertising machine body is arranged above the L-shaped bottom plate; according to the elevator inner advertising machine convenient to disassemble and assemble, by arranging an extrusion plate a