Self-cleaning household water pump

Abstract

The invention discloses a water pump, in particular to a self-cleaning household water pump which is technically characterized by comprising a pump body, a motor and a connecting seat, the pump body is provided with a water inlet end and a water outlet end, an impeller is arranged in the pump body, the self-cleaning household water pump further comprises a water filtering cavity used for covering and wrapping the pump body, a filtering cup is arranged in the water filtering cavity, and a drainage pipe communicated with the water outlet end is arranged at the upper end of the water filtering cavity. The upper end of the water filtering cavity is further provided with a port with a built-in stepped hole, the filtering cup comprises a cup body, an opening of the cup body is provided with a cup edge used for clamping the stepped hole, the cup body is fixedly arranged in the stepped hole through the cup edge, filtering holes are distributed in the cup wall of the upper end of the cup body, and the cup wall of the upper end of the cup body is further provided with a water passing groove. An opening in one end of the water inlet pipe is formed outside the water filtering cavity, and an opening in the other end of the water inlet pipe penetrates into the water filtering cavity and is communicated with the water passing groove in the surface of the upper cup body. The self-cleaning household water pump is simple in structure and convenient to clean.

Description

technical field [0001] The invention relates to the technical field of water pumps, in particular to a self-cleaning household water pump. Background technique [0002] The water pump is a kind of machine that transports liquid or pressurizes the liquid. Due to the complex and changeable working environment of the water pump, the working liquid it pumps and transports often contains some impurities. In order to prevent impurities from entering the impeller and guide vane and causing the pump to block, People often add filter devices to the water inlet of the water pump. [0003] Most of the filter devices in the prior art are equipped with filter structures such as filter screens at the water inlet of the water pump. Although they can filter impurities simply and effectively, impurities will adhere to the surface of the filter device and even form a scale layer after the water pump has been working for a long time. This will not only affect the The normal water intake of th...

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Problems solved by technology

[0003] Most of the filter devices in the prior art are equipped with filter structures such as filter screens at the water inlet of the water pump. Although they can filter impurities simply and effectively, impurities will adhere to the surface of the filter device and even form a scale layer after the water pump has been working for a long time. This will not only affect the The normal water intake of the water pump will affect the quality of the water pumped by the water pump, so the relevant parts need to be disassembled regularly for cleaning and reinstallation, and the operation is more cumbersome

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