A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
The invention provides a civil air defense door which comprises a door body, connecting rods, a cross rod, bolts, a door opening pedal, a door closing pedal and a rotary shaft. The bolts are connected with the door body through connecting shafts, and the bolts are connected through the connecting rods. The connecting rods are fixed together through the cross rod. The cross rod is connected with the rotary shaft through the chain. The rotary shaft is connected with the door opening pedal through a chain. The door closing pedal and the cross rod are fixed together through the connecting rods.
The invention provides a civil air defense door which comprises a door body, connecting rods, a cross rod, bolts, a door opening pedal, a door closing pedal and a rotary shaft. The bolts are connected with the door body through connecting shafts, and the bolts are connected through the connecting rods. The connecting rods are fixed together through the cross rod. The cross rod is connected with the rotary shaft through the chain. The rotary shaft is connected with the door opening pedal through a chain. The door closing pedal and the cross rod are fixed together through the connecting rods.
Civil air defense door
TANG CHUNHUA (author)
2015-05-06
Patent
Electronic Resource
English
IPC:
E06B
Feste oder bewegliche Abschlüsse für Öffnungen in Bauwerken, Fahrzeugen, Zäunen oder ähnlichen Einfriedungen allgemein, z.B. Türen, Fenster, Läden, Tore
,
FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES, OR LIKE ENCLOSURES, IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
/
E05F
DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION
,
Vorrichtungen zum Bewegen der Flügel in die Offen- oder Schließstellung
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