Test tube cleaning device

A test tube cleaning device belongs to the technical field of medical instruments and solves the technical problem of test tube cleaning, a waste liquid connector is arranged at the bottom of a cleaning tank, the upper end of a waste liquid recovery tube is mounted in the waste liquid connector, a waste liquid collection tank is arranged below the waste liquid recovery tube, and the bottom of the waste liquid collection tank is communicated with the waste liquid tank; the cleaning column is sleeved with the waste liquid recovery pipe, a test tube brush and a nozzle are arranged on the outer side wall of the cleaning column, a test tube is inversely installed on the cleaning column, the lower end of the cleaning column is communicated with a water storage tank through a pipeline, and a liquid supply pump is arranged in the water storage tank; the transmission system comprises a gear box, a motor, a driving gear, a transmission gear ring and an output gear, the waste liquid recovery pipe ...