Fireproof door of safety passageway

Abstract

The invention provides a fireproof door of a safety passageway. The fireproof door comprises a fireproof door body, a door frame and an automatic fire extinguishing device. The fireproof door is mounted on the door frame; the middle lower part of the fireproof door is provided with a safety opening through which a human body can pass and a cover body covering the safety opening; a supporting pieceis arranged below the safety opening; the cover body is arranged on the supporting piece; a rotating shaft is arranged above the safety opening; a connecting rod is arranged at one end of the rotating shaft away from the fireproof door; a stop piece is arranged at the tail end of the connecting rod; the stop piece can rotate to the cover body along with the connecting rod and is in clearance fitwith the cover body; a fluorescent strip is arranged on the cover body and / or the stop piece; a heat-resisting layer is arranged on the surface of the connecting rod; and the automatic fire extinguishing device is installed on the upper middle portion of the fireproof door and can be used for detecting fire information and giving an alarm and / or automatically extinguishing according to the fire information. According to the fireproof door with the safety passageway, the rescue rate of trapped persons and the property preservation probability can be increased.

Description

technical field [0001] The invention relates to the technical field of fire protection applications, in particular to a fire door for a safety passage. Background technique [0002] Under normal circumstances, fire doors are used for the opening and closing doors of safety passages, but judging from the fire cases over the years, many people who lost their lives in the sea of ​​fire were caused by the blocking of fire doors, the failure of fire doors, and the locking of safety openings, etc. Unable to escape, a tragedy was caused, especially when the building collapsed or the basic structure was deformed, the fire doors often could not be opened and closed normally, which caused great losses to the safety of people's lives and property. Contents of the invention [0003] In order to solve the technical problems in the background technology, the present invention proposes a fire door for safe passage, which can solve the problems mentioned in the prior art. [0004] The pr...

AI Technical Summary

Problems solved by technology

[0002] Under normal circumstances, fire doors are used for the opening and closing doors of safety passages, but judging from the fire cases over the years, many people who lost their lives in the sea of ​​fire were caused by blocked fire doors, failure of fire doors, and locked safety openings, etc. Unable to escape, it caused a tragedy, especially when the building collapsed or the basic structure was deformed, the fire doors often could not be opened and closed normally, which caused great losses to the safety of people's lives and property

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