The utility model discloses a latent pump assembly centralizer of electricity, include end cover and exntension tubs through threaded connection, end cover is provided with the circular cylinder that hemispheroid, the other end were provided with the screw thread for one end, the hemispheroid center is provided with the entire body and detains, the entire body detain by upwards, two decurrent oil pipe detain and constitute, the hemispheroid is provided with a plurality of axial through's hydrophthalmia around the entire body is detained, exntension tubs are provided with the circular cylinder of screw thread for one end. The utility model discloses simple structure, practicality are strong, can be used for ordinary close adopt, the pump flow string is dived to electricity such as conventional " Y " branchs, double pump, not only has to right the dive function of pump assembly of electricity, can retrieve flow string annex junks such as little flat guard shield, bandage moreover, prevents to fall the well unit to get into lower part undergauge well section simultaneously, stops down the flow string emergence of junk sticking of tool accident in the pit, sparingly operating cost from the source.