Submerged pump auxiliary bearing lubricating liquid flow adjusting structure

The utility model relates to the technical field of bearing friction pair lubrication, and discloses a submerged pump auxiliary bearing lubricating liquid flow adjusting structure which comprises a middle frame pipe, a rolling bearing box is installed at the top end of the middle frame pipe, a pump shaft body is arranged in the rolling bearing box, a motor is installed at the top end of the rolling bearing box, and a pump shaft body is arranged in the pump shaft body. A liquid outlet pipe is arranged on the right side of the middle frame pipe, a connecting frame is fixedly installed at the upper end between the middle frame pipe and the liquid outlet pipe, and an overflowing pipe is jointly installed in the middle of the middle frame pipe and the middle of the liquid outlet pipe. The overflowing pipe is arranged, the inner diameter of the side, close to the liquid outlet pipe, of the overflowing pipe is smaller than the inner diameter of the side, close to the middle frame pipe, of the overflowing pipe, lubri