Inflatable ring main unit

The utility model discloses an inflatable ring main unit which comprises an outer box and an electric box, a cover plate is arranged at the top of the outer box, clamping blocks are respectively arranged on two sides of the bottom surface in the outer box, the two clamping blocks are parallel to each other, a movable plate is arranged between the two clamping blocks, and a telescopic groove is formed in the bottom surface of the outer box on one side of the movable plate. A baffle is arranged in the telescopic groove, the top end of the baffle extends out of the outer side of the telescopic groove, through operation of a fan, an outer ventilation window on an external air flushing box door enters an electric appliance bin through an inner ventilation window, electric appliances in the electric appliance bin are cooled, and cooled air enters the ventilation bin through a through hole of a partition plate. The air is exhausted into the outer box through the ventilation bin and finally exhausted out of the two s