A water pump casing and impeller shaft in the shell surface and the impeller shaft is coated with a layer of rust proof material, rust proof material for enamel material, coating thickness is 0.051 mm, on the surface of impeller shaft wholly or partially coated rust proof material, the utility model adopts the water pump casing and impeller shaft and solve the existing pump shell and impeller shaft is easy to rust easily pollution in the water, the utility model pump shell and impeller shaft has the advantages of simple structure, easy manufacture, low cost, good anti rust effect, can significantly reduce the friction coefficient, reduce the leakage of casing and impeller transmission shaft, can not rust in various environments, to ensure water quality.
【技术实现步骤摘要】
【技术保护点】
一种水泵壳体,包括:壳体内表面(1),其特征在于:在所述的壳体内表面(1)上涂覆有一层防锈材料(2)。
【技术特征摘要】
【专利技术属性】
技术研发人员:谢荣波,谢建鹏,
申请(专利权)人:浙江大元汽车空调有限公司,
类型:实用新型
国别省市:33[中国|浙江]
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