Vacuum pump waterproof device

The utility model discloses a vacuum pump waterproof device, which belongs to the technical field of vacuum pumps and comprises an exhaust tail pipe, the inlet end of the exhaust tail pipe is connected with an exhaust pipe of a vacuum pump, an exhaust tail pipe cover is arranged at the outlet end of the exhaust tail pipe, and the exhaust tail pipe is a U-shaped pipe. The height of the U-shaped bottom of the U-shaped pipe is smaller than that of an outlet of the exhaust pipe, the exhaust tail pipe cover is a conical cover, and the end, with the small inner diameter, of the conical cover is connected with the outlet end of the exhaust tail pipe. The vacuum pump exhaust port can solve the problems that impurities such as water or dust particles in an existing vacuum pump exhaust port can be sucked into a vacuum pump and are prone to splashing of sewage on the side edge of a vehicle. 本实用新型公开了一种真空泵防水装置，属真空泵技术领域，该真空泵防水装置，包括其进口端与真空泵的排气管相连接的排气尾管，所述排气尾管的出口端设有排气尾管罩，所述排气尾管为U型管，所述U型管U形底部的高度低于所述排气管出口的高度，所述排气尾管罩为锥形罩，所述锥形罩内