Multi-cavity vacuum insulated fire door
By combining a multi-cavity structure with vacuum insulation panels and inorganic fire-resistant fiber materials, the problem of heat penetration and flame spread in traditional fire doors during fires is solved, achieving highly efficient heat insulation and fire resistance.
CN224326225UActive Publication Date: 2026-06-05YANGZHOU YANGZI FIRE EQUIP CO LTD
Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YANGZHOU YANGZI FIRE EQUIP CO LTD
- Filing Date
- 2025-05-14
- Publication Date
- 2026-06-05
AI Technical Summary
Technical Problem
Traditional fire doors cannot withstand high temperatures for extended periods during a fire, and heat can easily be conducted through the door, failing to effectively protect people and property, and flames can easily spread.
Method used
It adopts a multi-cavity structure, with internal insulation and fireproof cavities. It uses vacuum insulation panels, inorganic fireproof fiber materials and fireproof gypsum boards, combined with a sealing mechanism to prevent heat transfer and flame spread.
Benefits of technology
It effectively prevents heat transfer, enhances fire resistance, prevents flame penetration, protects safety, and slows the spread of fire.
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Smart Images
Figure CN224326225U_ABST
Abstract
The utility model relates to fireproof door technical field discloses a kind of multi-cavity vacuum heat insulation fireproof door, including door body, and heat insulation mechanism is arranged in door body, and sealing mechanism is arranged on heat insulation mechanism, and heat insulation mechanism includes heat insulation layer cavity, and fireproof layer cavity is opened in door body interior, and fireproof layer cavity inner wall front and back two sides are respectively fixedly connected with fireproof gypsum board, and inorganic fireproof fiber material is arranged in fireproof layer cavity interior, and heat insulation layer cavity inner wall is respectively fixedly connected with vacuum heat insulation board.The multi-cavity vacuum heat insulation fireproof door, support plate supports two vacuum heat insulation boards, can prevent vacuum heat insulation board from deformation due to external pressure, affect heat insulation effect, under the establishment of vacuum heat insulation board, and utilize the extremely low heat transfer coefficient under vacuum environment, effectively prevent heat transfer, establish inorganic fireproof fiber material can effectively block flame spread when meeting fire, fireproof gypsum board can further enhance fireproof performance, prevent flame penetration cavity.
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