Energy storage type constant-temperature dining car

The utility model relates to the technical field of food heat preservation, and discloses an energy storage type constant-temperature dining car which comprises an outer cylinder, a clamping block is fixedly assembled on the outer edge of the outer cylinder, a grip is fixedly assembled on the side face of the clamping block, universal wheels are fixedly assembled at the bottom of the outer cylinder, a sliding groove is formed in the outer cylinder, and the outer cylinder is provided with a sliding groove. The inner wall of the sliding groove is slidably connected with a door plate, and the bottom of the inner wall of the outer cylinder is rotatably connected with a rotating rod. According to the energy storage type constant-temperature dining car, a temperature control device and a heat dissipation plate are used in cooperation, the temperature displayed by the temperature control device is adjusted through a temperature adjusting plate, the temperature control device conducts constant-temperature adjustment