Emergency smoke-proof door

The emergency smoke-proof door comprises a door plate and a door frame, one side of the door plate is rotationally connected to the door frame, mounting grooves are formed in the four side faces of the door plate in the length direction, sealing rods are slidably connected into the mounting grooves...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	YU AIGUO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL FIRE-FIGHTING FIXED CONSTRUCTIONS FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES,FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS,BLINDS, GATES HUMAN NECESSITIES LADDERS LIFE-SAVING
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Beschreibung
Zusammenfassung:	The emergency smoke-proof door comprises a door plate and a door frame, one side of the door plate is rotationally connected to the door frame, mounting grooves are formed in the four side faces of the door plate in the length direction, sealing rods are slidably connected into the mounting grooves in the groove depth direction, and sealing rubber strips are laid on the sides, facing the door frame, of the sealing rods; a mounting hole is formed in the bottom of the mounting groove in the depth direction, a rack is slidably connected into the mounting hole in the length direction, one end of the rack is fixed to the sealing rod, four rotary knobs are rotationally connected to the door face of the door plate, a transmission rod is coaxially fixed to each rotary knob, the transmission rods penetrate into the mounting holes respectively, gears are fixed to the transmission rods, and the gears are meshed with the gears. And the gear is meshed with the rack. According to the emergency smoke-proof door, the air tig