A pre-filter device and a water pump

By designing a detachable front filter device, the problem of inconvenient replacement and cleaning of existing water pump filter elements is solved, and the user experience and service life of the filter elements are improved.

CN222709102UActive Publication Date: 2025-04-04林少群
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Patent Information

Application Number
CN202421362704.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Priority Date
2023-07-19
Filing Date
2024-06-14
Publication Date
2025-04-04
Estimated Expiration
2034-06-14

AI Technical Summary

Technical Problem

The outer shell of the existing water pump is not removable, which leads to inconvenience in replacing and cleaning of the filter element. Especially in the case of poor outdoor water quality, the filter element is prone to clogging, affecting the user experience.

Method used

A pre-filter device is designed, which consists of a removable upper case and a lower cover. A removable filter element is provided in the filter chamber. A sealing ring is provided between the filter element and the side wall of the filter chamber to ensure water flow separation and sealing.

Benefits of technology

Through the removable design, users can easily replace or clean the filter element, which improves the user experience, especially in the case of poor outdoor water quality, which extends the service life of the filter element.

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Abstract

The utility model relates to a pre-filter device, comprising a filter body formed by connecting an upper shell and a lower cover, the upper shell and the lower cover are detachably connected to each other, a filter cavity is provided on the inner side of the filter body, a filter element is arranged in the filter cavity, a first water outlet for connecting to the water inlet end of a water pump and a first water inlet for connecting to a water supply pipe are respectively provided at the water outlet end and the water inlet end corresponding to the filter cavity on the filter body, by providing the mutually detachable upper shell and the lower cover, the user can open the filter cavity relatively conveniently to replace or clean the filter element, and the user experience can be improved even in the outdoor scene with poor water quality.
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