Submersible pump using framework oil seal

The utility model relates to a submersible pump using a framework oil seal. The problem that in the prior art, a mechanical seal is prone to being stuck or losing efficacy is solved. The adopted scheme is as follows: a scheme is adopted; electric machine, wherein the connecting piece is used for connecting the motor with the pump body; the impeller is arranged in the pump body; a rotating shaft ofthe motor penetrates through the connecting piece and is in linkage fit with the impeller; a mechanical seal is arranged between the connecting piece and the rotating shaft; wherein an opening end ofan inner cavity of the connecting piece is matched with an oil chamber cover, the mechanical seal is closed in the inner cavity of the connecting piece by the oil chamber cover, the framework oil seal is matched between the oil chamber cover and the rotating shaft, and the framework oil seal and the mechanical seal are respectively arranged on two sides of the oil chamber cover. The rubber ring has the effects that the ru