Water pump with self-lubricating and draining functions for motorcycle

The utility model discloses a water pump with self-lubricating and draining functions for a motorcycle. The device comprises a box body, a water pump installation hole is formed in the box body, a water pump is installed in the water pump installation hole, the water pump is provided with a water pump shell and a water pump shaft located in the water pump shell, the inner end of the water pump shaft is located in the box body, and a driving gear is arranged on the water pump shaft and is in transmission with a power system in the box body. The engine water pump has the advantages that the drain hole is formed between the mechanical water seal and the framework oil seal on the water pump shell, cooling liquid is prevented from entering emulsified engine oil in an engine through the structure, and the working condition of the mechanical water seal can be detected at any time. 一种摩托车用具有自润滑及泄水功能的水泵，包括一个箱体，所述箱体上设有一个水泵安装孔，所述水泵安装孔上安装有水泵，所述水泵具有一个水泵壳体及位于水泵壳体中的水泵轴，所述水泵轴内端位于箱体中，且水泵轴上设有一个驱动齿轮与箱体内动力系统传动。本实用新型的有益效果在于：在水泵壳上机