A freeze-proof fire hydrant valve device

By covering the fire valve with an antifreeze outer shell and installing an internal heating system, the problem of fire valve freezing is solved, achieving an antifreeze effect and ensuring the normal use of the valve.

CN224550937UActive Publication Date: 2026-07-24SHANDONG ZHONGTUO FIRE ENGINEERING CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHANDONG ZHONGTUO FIRE ENGINEERING CO LTD
Filing Date
2025-07-08
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing fire valves are prone to freezing in the cold winter, making them difficult to open and increasing fire hazards.

Method used

A frost-proof fire hydrant valve device is designed. By covering the fire valve with an frost-proof outer shell and installing a heating chamber and electric heating tube inside, the device uses a temperature sensor and controller to monitor and heat the valve in real time to prevent freezing.

Benefits of technology

It effectively prevents fire valves from freezing, ensures normal use, eliminates fire hazards, and is easy to operate with high heating efficiency.

✦ Generated by Eureka AI based on patent content.

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    Figure CN224550937U_ABST
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Abstract

The utility model relates to fire valve technical field, concretely is a kind of anti-freezing hydrant valve device, including two anti-freezing shell, its characterized in that: two anti-freezing shell are rotatably connected by connecting piece, heating bin is opened in the inside of anti-freezing shell, and multiple electric heating tubes are fixedly installed on the inner wall of heating bin, temperature sensor is embeddedly installed on the outer wall of anti-freezing shell, controller is installed in the inside of anti-freezing shell, controller and temperature sensor and electric heating tube are electrically connected between, water pipe one is installed at the top of anti-freezing shell, water pipe two is installed at the bottom of anti-freezing shell, and water pipe one and water pipe two are all communicated with heating bin, the anti-freezing hydrant valve device can prevent the freezing phenomenon in the inside of fire valve, ensure that it can normally use, and then eliminate the fire hazard brought by fire valve.
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