Bypass thermostatic regulating assembly and gas water heater comprising same

CN224860143UActive Publication Date: 2026-10-16NINGBO FOTILE KITCHEN WARE CO LTD
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Patent Information

Application Number
CN202522538953.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-11-28
Publication Date
2026-10-16
Estimated Expiration
2035-11-28

AI Technical Summary

Technical Problem

[0002]现有的燃气热水器的出水温度是依靠调节加热幅度来调节的，用户方面如果需要再度调节出水温度，只能够通过水龙头的混水阀进行调节，但是燃气热水器的加热幅度的调节具有滞后性，用户在调低热水供应时，燃气热水器内部也会相应地减少加热幅度即减少火力以避免水温上升，但是换热器不可能迅速降温，因此，仍然会导致短时间内燃气热水器的出水温度迅速升高，容易烫伤用户，同样地，用户在调高热水供应时，燃气热水器内部会相应地提高加热幅度即加大火力以避免水温下降，但是换热器不可能迅速升温，因此，仍然会导致短时间内燃气热水器的出水温度迅速降低，容易冻着用户

Benefits of technology

[0010] In this technical solution, by setting the first valve body of the first valve core to be made of a heat-sensitive material, and when the instantaneous temperature of the hot water in the outlet pipe is higher than the preset temperature, the orifice diameter of the valve hole shrinks as the instantaneous temperature of the hot water rises. This allows the first valve body to adjust its deformation according to the temperature of the hot water in direct contact, thereby adjusting the orifice diameter and thus regulating the flow rate of the hot water in the outlet pipe. In other words, it can directly and adaptively regulate the hot water temperature in the outlet pipe, thereby improving the constant temperature performance of the gas water heater. Furthermore, by setting the second valve body of the second valve core to reduce the flow cross-sectional area of ​​the connecting pipe when the first water pressure is greater than the second water pressure (i.e., when the cold water flow rate in the inlet pipe suddenly increases), more water can enter the downstream heating area from the outlet of the inlet pipe for heating, thereby reducing the drop in water temperature and improving the constant temperature performance of the gas water heater.

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Abstract

The utility model provides a kind of bypass thermostatic regulating assembly and the gas water heater comprising it.The bypass thermostatic regulating assembly includes: pipe body;First valve core, the water inlet of water outlet pipeline is close to being set, including first valve body and protective layer, first valve body is heat-sensitive material, and first valve body is equipped with valve hole, when the instant temperature of hot water in water outlet pipeline is higher than preset temperature, the aperture of valve hole reduces with the instant temperature of hot water rises;Second valve core, the communication position of communication pipeline and water inlet pipeline is located, including mounting seat and second valve body being set on mounting seat, mounting seat is clamped in the water inlet of communication pipeline, when the first water pressure that the first surface of second valve body is subjected is greater than the second water pressure that the second surface is subjected, second valve body leaves initial position, so that the flow cross-sectional area of communication pipeline becomes smaller.Adaptively regulate by first valve core and second valve core, improve the thermostatic performance of gas water heater.
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