Automotive electronics water pump of stable in structure type

The utility model relates to an electronic pump technical field, especially, automotive electronics water pump of stable in structure type, the both ends of pivot are provided with a tapered groove and the 2nd tapered groove respectively, cover shape is structural be provided with with the first toper of a tapered groove assorted protruding, the inside of water pump cover is provided with the support, the toper of fixedly connected with second is protruding on the support, first toper arch is inserted among the tapered groove, second toper arch is inserted among the 2nd tapered groove, second toper arch through in cover shape structural first toper arch and the water pump cover pushes up the pivot in the centre, it prevents that the pivot of water pump operation in -process from taking place the line of defence of axial dipole field to set up first way, the first sleeve and the second sleeve at impeller both ends rotate the setting respectively in the first annular groove of cover shape structure and in the second annular groove on the support, it prevents that the pivot from taking place the line of defence of axial dipole field to set up the second way.