Prepositioned scale inhibition device

CN224925705UActive Publication Date: 2026-11-03QINGDAO HAIER STRAUSS WATER EQUIP CO LTD +1
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Patent Information

Application Number
CN202522084154.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-09-26
Publication Date
2026-11-03
Estimated Expiration
2035-09-26

AI Technical Summary

Technical Problem

Existing pre-filter scale inhibitors are prone to backflow of hot water when the filter element is removed, posing a safety hazard, especially when used in a water heater, which may cause scalding to users.

Method used

A pre-scale inhibition device was designed. By setting a first flow divider and a second flow divider in the housing, it can switch to the second flow path mode when disassembling the scale inhibition filter element, to prevent water from entering the filter element, ensure safe disassembly, and replace the filter element without affecting the normal use of the water circuit.

Benefits of technology

It achieves high safety when disassembling the scale inhibitor filter element, avoiding scalding from hot water backflow, and at the same time, it does not affect the normal use of the water circuit when replacing the filter element, making it convenient to operate without interrupting the water supply.

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Abstract

The application belongs to the technical field of filtering devices, and particularly provides a front scale inhibition device, aiming to solve the problem that the existing front scale inhibition device has safety hazards when hot water backflows during dismounting of a filter element when applied to a water heater. To this end, the front scale inhibition device comprises a first shell, a second shell, a first flow divider, a second flow divider and a scale inhibition filter element, the first flow divider is located in the first shell, the second flow divider is rotatably connected with the first flow divider, the scale inhibition filter element is detachably connected with the second flow divider, and the second flow divider can switch the front scale inhibition device between a first flow path mode and a second flow path mode during rotation relative to the first flow divider. The front scale inhibition device of the application can be switched to the second flow path mode when the second shell and the scale inhibition filter element are dismounted, so that water backflow does not occur, and the safety is high.
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