Pressure testing device for detecting sealing performance of soft infusion bag

The utility model relates to a pressure testing device for detecting the sealing performance of an infusion soft bag. The pressure testing device comprises a base; the test cabinet body is arranged above the base, the top of the test cabinet body is open, one side of the test cabinet body is provided with a cavity structure of a detachable cover plate, and a tray used for containing a transfusion soft bag is arranged in the test cabinet body; the bracket is an inverted U-shaped bracket, is vertically arranged in the test cabinet body, comprises two longitudinal plates, a transverse plate connected with the two longitudinal plates and a control cabinet, is arranged above the bracket, and is internally provided with an air cylinder, two air cylinder guide columns arranged on the two sides of the air cylinder respectively and an electromagnetic pneumatic valve; the air cylinder comprises a cylinder body, a piston and a piston rod, the cylinder body is arranged in the middle of the transverse plate, one end of th