Water retaining ring structure of water pump

Abstract

The invention belongs to the technical field of water pumps and relates to a water retaining ring structure of a water pump. The water pump comprises a pump body and a motor. A motor-driven impeller is arranged in the pump body, the impeller is arranged at one end of a rotating shaft in a sleeving mode and a mechanical seal is arranged on the inner side of the impeller, the pump body is fixedly connected with the motor through supports, the supports are arranged at the corresponding end surfaces of the pump body and the motor and are arranged on the rotating shaft in a sleeving mode, the rotating shaft is transversely arranged, a water retaining ring is arranged on the rotating shaft between the pump body and the motor in a sleeving mode, the water retaining ring is in interference fit with the rotating shaft, the water retaining ring comprises an annular part and a disc-shaped part, the disc bottom of the disc-shaped part is connected with the annular part, the annular part is close to one side of the pump body, and the disc-shaped part is close to one side of the motor. The water retaining ring structure of the water pump provided by the invention not only blocks the leakage water at the mechanical seal position, but also blocks the impact of water flow in other directions such as the radial direction, thereby effectively preventing the water from entering the motor.

Description

technical field [0001] The invention belongs to the technical field of water pumps, and relates to a water retaining ring structure of a water pump. Background technique [0002] The known structure of the water pump generally includes a pump body and a motor. The pump body is provided with an impeller driven by the motor. The impeller is sleeved on one end of the pump shaft and provided with a mechanical seal. Due to the limitations of the water pump structure, there will still be water leakage at the mechanical seal, and the leaked water will enter the motor along the gap between the rotating shaft and the bearing, thereby causing damage to the motor. At the same time, in addition to leakage at the mechanical seal, water leakage will also occur in other directions of the pump body such as the radial direction. [0003] Chinese invention patent CN206377042U discloses a water pump connection seat assembly, including a connection seat, the middle of the connection seat passe...

AI Technical Summary

Problems solved by technology

[0004] The above-mentioned patent uses a water-retaining ring with a planar structure to retain water. The disadvantage is that the water-retaining ring can only block the water leakage at the mechanical seal, but cannot block the impact of water flow in other directions such as the radial direction, and thus cannot completely solve the problem caused by water leakage. motor damage problem

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