Pressure testing machine based on purified water bucket quality detection

The utility model discloses a pressure testing machine for quality detection based on a purified water bucket, which comprises a pressure testing machine main body, a detection box is arranged on the pressure testing machine main body, a positioning seat is clamped in the detection box, a base is arranged at the lower end of the detection box, and side supporting plates are symmetrically connected to two sides of the base. A top mounting seat is arranged at the upper end of the side supporting plate, screw rods are uniformly connected between the top mounting seat and the positioning seat, an upper pressing plate is movably mounted between the screw rods, hydraulic push rods are mounted on the two opposite sides of the detection box, the movable ends of the hydraulic push rods are connected with side pressing plates, and the side pressing plates are located in the detection box; an air pump is installed on one side of the upper end of the upper pressing plate, a cover is arranged on the pressure testing machi