Smoke-proof fire door
CN224363850UActive Publication Date: 2026-06-16YUNNAN FULINMEN TECHNOLOGY CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN FULINMEN TECHNOLOGY CO LTD
- Filing Date
- 2025-07-22
- Publication Date
- 2026-06-16
AI Technical Summary
Technical Problem
Existing fire doors have poor smoke-blocking performance at the door gaps, and the tightness of the sealing gaskets cannot be adjusted, allowing smoke to pass through the gaps.
Method used
Design a smoke-proof and fireproof door that uses a water bladder and sealing gasket structure. Water is pumped into the water bladder to expand it and improve the sealing gasket's fit. Atomized water solution is sprayed out through water flow channels and spray pipes for cooling and fire extinguishing.
Benefits of technology
It improves the sealing effect of fire doors, extends escape time, and achieves dust suppression, cooling and fire extinguishing functions through atomizing nozzles.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224363850U_ABST
Abstract
The utility model discloses a kind of smoke-proof fire doors, it is related to fire door technical field;And the utility model includes door frame and door panel, the door frame one end is hinged with door panel, the door frame inner wall one end is fixedly connected with baffle, one side of the door panel is equipped with recess, water bag is arranged in the recess, the recess and water bag are all along door panel edge and are set around, the water bag outer wall one end is provided with first gasket, the baffle one end side wall is provided with second gasket, the first gasket and second gasket are movably connected, the door panel inside is equipped with water flow channel, the door panel one end is provided with water jet, the water jet is communicated with water flow channel, the water jet one end is provided with multiple atomizing nozzles;The utility model is by filling water in water bag and making it expand, to let first gasket and second gasket adhere more closely, to improve smoke-proof effect in this way.
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