Leakage testing device for engine cylinder cover processing

The utility model discloses a leakage testing device for processing an engine cylinder cover, which comprises a bottom table, and a lifting seat is arranged at the top end of the bottom table. After the leakage test device for engine cylinder cover processing is used, a second water pump can be controlled to start, test water used in the test box can be pumped out through a water return pipe, and the test water is guided into a reserved opening from the top end of the water return pipe; a filter screen arranged in the reserved opening can filter and remove some impurities, chippings and the like in the test water, and the test water after filtration treatment is guided into the water tank to be stored; meanwhile, a first water pump can be controlled to start, test water filtered in the water tank can be pumped out through a water outlet pipe and conveyed into the test box from the bottom end of the water outlet pipe for repeated use, and some impurities in the test water can be conveniently filtered; the prob