Air supply static pressure device with clean room cleaning function

The air supply static pressure device with the clean room cleaning function comprises a static pressure box, a cleaning box and a filtering box, the left side of the static pressure box is connected with the cleaning box, the left side of the cleaning box is connected with an air inlet pipe, the two ends of the cleaning box are provided with fixing plates, and the outer sides of the fixing plates are connected with sealing rings. A mounting groove is formed in the cleaning box, a filter box is arranged in the cleaning box, and a dust filter screen is arranged on the side, close to the air inlet pipe, in the filter box. According to the air supply static pressure device with the clean room cleaning function, a second spring can push a movable rod to move towards the outer portion of the filter box, meanwhile, the front end of the movable rod of a wedge-shaped structure can be connected with the cleaning box in a clamped mode, the filter box is limited and fixed, and when a handle is pulled upwards, a limiting