Smoke penetration resistant cast aluminum door
By introducing sealing and fixing structures into cast aluminum doors, and utilizing magnetic attraction, threaded connections, and elastic reset, the problem of easy damage to sealing components is solved, achieving effective sealing of flue gas and enhancing the ability of cast aluminum doors to prevent flue gas penetration.
CN224469044UActive Publication Date: 2026-07-07ZHEJIANG SHENDING DOORS CO LTD
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- ZHEJIANG SHENDING DOORS CO LTD
- Filing Date
- 2025-05-09
- Publication Date
- 2026-07-07
AI Technical Summary
Technical Problem
During the opening and closing process of cast aluminum doors, the sealing components are easily damaged by compression, resulting in poor smoke infiltration protection.
Method used
It adopts a sealing and fixing structure, including components such as sealing plates, fixing rods, magnets and springs, and achieves a stable connection and seal between the door leaf and the door frame through magnetic attraction, threaded connection and elastic reset.
Benefits of technology
It effectively prevents smoke penetration, enhances the sealing performance between the door leaf and the door frame, avoids damage to the sealing components, and extends service life.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure CN224469044U_ABST
Abstract
The utility model discloses a cast aluminum door of fume penetration prevention, including door frame, its inside left side is provided with second door leaf, and the middle part of second door leaf is provided with handle, first door leaf, its setting inside left side of door frame, and the downside of first door leaf and the downside of second door leaf all are fixedly installed with fixed column, the inside upper side of door frame is provided with fixed structure, and fixed structure includes first spring, moving link and limit link, first spring sets up in the inside upper side of door frame, the inside rear side of door frame is provided with sealing structure, and sealing structure includes sealing plate and fixed link, sealing plate sets up in the inside rear side of door frame, and the inboard of sealing plate is connected with fixed link. The cast aluminum door of fume penetration prevention is provided with sealing structure, can seal between door gap to prevent fume penetration, and is provided with fixed structure, can limit door leaf to play the installation effect to door leaf.
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