Plastic test tube cleaning device

The utility model relates to the technical field of plastic test tubes, and discloses a plastic test tube cleaning device which comprises a bottom plate, a clamping frame and a test tube body, the test tube body is clamped in the clamping frame, two compression springs are fixedly installed on the bottom face of the clamping frame, and the bottom end of each compression spring is fixedly connected with the upper surface of the bottom plate. Two limiting springs are fixedly installed on the inner wall of the clamping frame, rubber sleeves are fixedly installed at the ends, close to each other, of the two limiting springs, and the outer surface of each rubber sleeve makes contact with the outer surface of the test tube body; the clamping frame is matched with the rubber seat, the test tube body can be clamped into the rubber seat with the opening facing downwards in a downward pressing mode and is kept sealed, and at the moment, the booster pump is matched with the liquid inlet pipe and the spray pipe, so that