A new type of fire door

Abstract

The invention relates to a novel fireproof door, which comprises a door frame and door leaves, wherein the door frame and the door leaves are made of fireproof core plates, the connecting parts of the door frame and the door leaves are respectively sealed by a fireproof expansion sealing strip, the middle lower part of the corresponding door leaf is provided with a through hole for a human body to pass through, an escape pipe for the human body to pass through is embedded in the through hole, and one side, positioned in a room, of the escape pipe is provided with a sealing cover. The novel fireproof door has the advantage that the middle lower part of the fireproof door is provided with the escape pipe for the human body to pass through, so when the fireproof door has malfunction and cannot be normally opened, the sealing cover at the indoor side is opened by an opening device, and people can normally escape, so as to avoid the accident that people cannot escape because the fireproof door has malfunction, an emergency exit is locked, and the like.

Description

technical field [0001] The invention belongs to the technical field of building door and window components, in particular to a novel fireproof door. Background technique [0002] Existing fire door kind is more on the market at present, and its doorframe and door leaf adopt metal to make mostly, fill refractory material (as asbestos, aluminum silicate fiber wool etc.) in the sandwich layer of doorframe and door leaf. In order to prevent the spread of the fire, fire doors are used for the opening and closing doors of the escape passages on each floor. However, judging from the cases of fire deaths over the years, many people died in the sea of ​​​​fire because the safe evacuation passages were blocked, the fire doors were ineffective, and the safety exits were blocked. People cannot escape due to being locked, which leads to tragedy. When the building collapses or the basic structure is deformed, the fire doors often cannot be opened and closed normally, which has caused grea...

AI Technical Summary

Problems solved by technology

In order to prevent the spread of the fire, fire doors are used for the opening and closing doors of the escape passages on each floor. However, judging from the cases of fire deaths over the years, many people died in the sea of ​​​​fire because the safe evacuation passages were blocked, the fire doors were ineffective, and the safety exits were blocked. People cannot escape due to being locked, which leads to tragedy. When the building collapses or the basic structure is deformed, the fire doors often cannot be opened and closed normally, which has caused great losses to the safety of people's lives and property.

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