Draw-out type high-voltage switch cabinet

The utility model discloses a draw-out type high-voltage switch cabinet, which comprises a switch cabinet body, a draw-out assembly and an expansion assembly, the front end of the switch cabinet body is provided with a slide rail chamber, and the draw-out assembly comprises a rear plate, a front plate and a support column located between the rear plate and the front plate. According to the utility model, the sliding rail chamber provided with the sliding rail is convenient for the drawing assembly to go in and out, the drawing assembly is kept smooth, the drawing assembly is locked in the sliding rail chamber through the door locking knob, a gap is reserved between the front plate and the rear plate through the arrangement of the supporting column, the supporting column supports the air bag, and the air bag is arranged between the front plate and the rear plate. The air bag is expanded through the air pump, the air bag has the flexible expansion performance, compared with a traditional sealing strip, the seal