Structure with no shaft seal magnetic drive pumping

The utility model relates to a structure with no shaft seal magnetic drive pumping. The structure with no shaft seal magnetic drive pumping is at least composed of a front cover, a rear cover, a bracket, an axis and a rotating piece. The rotating piece is composed of a sealing portion, an impeller and a bearing, and the impeller is arranged at the front end of the sealing portion. The rear cover is combined to the rear end of the front cover. The bracket is installed outside the rear cover. The axis is arranged in the center of the rear cover, and the bearing is sleeved outside the axis. The sealing portion is installed between the bearing and the rear cover and extends forward into the front cover. The rotating piece is arranged at the front end of the sealing portion. The front cover and the rear cover are respectively provided with a thrust ring which is used for preventing the rotating piece from moving axially. Plural locating holes are formed in the front cover, and plural locating pillars which corresp