A kind of water-cooled vacuum machine of what is closed in the utility model system,Mainly include have a motor,One separation block,One pumping blade and a pedestal； The motor system is equipped with the rotation axis for being pierced by what bottom surface,Separation block system correspondence is arranged the what rotation axis,And the bottom surface of the fixed what motor,The pumping blade system corresponds to sealed fixed what rotation axis,The pedestal system has a water tank,The pedestal system closes the outside of the what pumping blade with the corresponding lid of the water tank,And the bottom surface of the fixed what separation block； The utility model system can make to flow into the outflow of the penetration by liquid of the drainage hole flow pass,Without remaining in what drainage hole,And then promote the service life of the rotation axis of the vacuum pump.本新型係關於一種水冷式真空機，主要包括有有一馬達、一分離座、一泵浦葉片及一底座；該馬達係設有穿出於底面的一轉動軸，該分離座係對應套設於該轉動軸，並固定於該馬達的底面，該泵浦葉片係對應鎖合固定於該轉動軸，該底座係具有一容水槽，該底座係以該容水槽對應蓋合於該泵浦葉片的外側，並固設於該分離座之底面；本新型係能夠使流入該排水孔的液體透過該流出通道流出，而不會殘留於排水孔內，進而提升該真空泵浦之轉動軸的壽命。
