Folding assembly and disassembly type freight container

The utility model relates to a folding assembly and disassembly type freight container, which belongs to the technical field of freight, and comprises a square base, each right angle of the square base is provided with a motor mounting cavity, each motor mounting cavity is internally provided with a lifting motor, and a rotating shaft of each lifting motor is connected with a stud; the four side plates are hinged to the four edges of the top face of the square base through hinges respectively; the square cover plate is made of a ferromagnetic material, a vertical column is arranged at each right angle of the square cover plate, a threaded hole is formed in the bottom end of each vertical column, and each threaded hole is in threaded connection with a stud; a mounting cavity is formed in the square base, the power source and the control unit are both mounted in the mounting cavity, electromagnets are mounted in the side plates, and the control unit is electrically connected with the power source, the lifting m