The invention discloses an elevator fireproof door structure, and relates to the field of elevator landing doors. The elevator fireproof door structure comprises a landing door device, a door pocket, a door plate, a door sliding block and a sill, the landing door device is arranged above the door plate, the door pocket is arranged behind the door plate, and the lower portion of the door plate is arranged in the sill through the door sliding block. The door pocket is composed of a door lintel and a door pocket stand column. Smoke-proof plates are additionally arranged at the meshing position of the door plate and the door lintel and the meshing position of the door plate and the door pocket stand column, and smoke is effectively prevented from being diffused. The door plate is made of fireproof materials in a filled mode, and the fireproof materials comprise, by weight, 30.3 percent of crushed crude pearlite, 45.4 percent of A75 glue, 21.1 percent of magnesia powder and 3.2 percent of fireproof polystyrene foam. The structure can effectively achieve the aims of smoke prevention and heat insulation, toxic smoke in a fire is prevented from entering an elevator shaft, and the situation that temperature in the shaft is too high due to high temperature in the fire to influence normal use of an elevator is avoided.
Elevator fireproof door structure
2015-07-08
Patent
Electronic Resource
English
IPC: | B66B Aufzüge , ELEVATORS |