A folding fire door structure

CN224532579UActive Publication Date: 2026-07-21GUANGDONG JINCHENGPENG IND CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGDONG JINCHENGPENG IND CO LTD
Filing Date
2025-08-28
Publication Date
2026-07-21

AI Technical Summary

Technical Problem

Existing folding fire doors rely on a single hinge for rotation, resulting in heavy doors that are easily damaged, affecting the folding effect, having poor sealing, and a short service life.

Method used

Movable grooves are provided on the upper and lower surfaces of the first and second doors, and the doors are supported by limit seats and spherical groove structures, and fixed with magnetic plates to enhance stability; sealing strips are provided at the contact points of the doors and fixed with adhesive to improve sealing.

Benefits of technology

It improves the lifespan and security of the door, enhances sealing and stability, avoids hinge damage and positional misalignment, and improves ease of use.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a folding fireproof door structure relates to folding fireproof door technical field, this folding fireproof door structure, including first door body and second door body, and first door body and second door body are opposite and place, the upper and lower surface of first door body and second door body all is provided with mobile sliding slot, the upper end of mobile sliding slot is provided with the limit seat, one side surface of first door body is provided with sealed recess, one side of second door body is provided with sealing strip, and first door body and second door body are combined, and sealing strip inserts sealed recess inside, one end of mobile sliding slot is provided with the installation clamping groove, the inside of installation clamping groove is clamped and has fixed end seat, and the outer wall of fixed end seat and installation clamping groove inner wall close contact, and this scheme has solved the single hinge rotation of existing folding fireproof door, because the fireproof door is heavy, is easy to lead to hinge damage, influences folding effect, is easy to damage, leads to the problem of poor sealing property and short service life.
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