Power distribution cabinet with adjustable internal space

The utility model relates to the technical field of power distribution cabinets, and discloses a power distribution cabinet with an adjustable internal space, which comprises a cabinet body, the upper part and the lower part of the inner side of the cabinet body are connected with moving plates in a sliding manner, the sides, which are separated from each other, of the two moving plates are connected with two rotating rods through supporting columns in a rotating manner, and the periphery of the middle part of each rotating rod is fixedly connected with a main gear. The inner walls of the left side and the right side of the cabinet body are each fixedly connected with two racks, the main gear is meshed with the racks, one end of one rotating rod is fixedly connected with a belt wheel, and the other end of one rotating rod is fixedly connected to the output end of a motor. According to the power distribution cabinet, through cooperation of the moving plate, the supporting column, the rotating rod, the main gea