Special-grade fireproof door

The utility model discloses a special-grade fireproof door which comprises a door frame and door bodies, the number of the door bodies is two, the two door bodies are hinged to the two sides of the door frame respectively, U-shaped fixing frames corresponding to a wall body are evenly distributed an...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZHAO HAOJIE, YAN PENGYANG, TANG YONGQING
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	ACCESSORIES THEREFOR BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS ORWINDOWS DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HANDCUFFS KEYS LADDERS LOCKS SAFES WINDOW OR DOOR FITTINGS
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Beschreibung
Zusammenfassung:	The utility model discloses a special-grade fireproof door which comprises a door frame and door bodies, the number of the door bodies is two, the two door bodies are hinged to the two sides of the door frame respectively, U-shaped fixing frames corresponding to a wall body are evenly distributed and fixed to the two sides of the door frame respectively, and telescopic fixing assemblies are symmetrically installed on the front sides of the two door bodies respectively. The special-grade fireproof door is reasonable and practical in structure and convenient and fast to operate, the door frame can be firmly fixed to a wall through the U-shaped fixing frame and the fixing holes, the situation that the door bodies fall down, flames spread all around, and losses are enlarged is not likely to happen, and the special-grade fireproof door is suitable for popularization and application. Through joint cooperation of the telescopic fixing assemblies, the fixing blocks, the inserting holes and the fire detectors, rapid d