Fireproof door of safety passageway
A technology for safe passage and fire doors, applied in fire doors, windows/doors, fire rescue, etc., can solve problems such as loss of life and property safety, fire doors cannot be opened and closed normally, and achieve the effect of improving the chance of preservation and survival
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[0014] Such as figure 1 As shown, a kind of safety passage fire door proposed by the present invention includes: a fire door 1, a door frame 2 and an automatic fire extinguishing device, the fire door 1 is installed on the door frame 2, and the middle and lower part of the fire door 1 is provided with a safety door that can accommodate a human body to pass through. The opening and the cover 3 covering the safety opening, a support 4 is provided below the safety opening, the cover 3 is placed on the support 4, a rotating shaft 5 is provided above the safety opening, and the end of the rotating shaft 5 away from the fire door 1 is provided with a connection Rod 6, the end of the connecting rod 6 is provided with a stopper 7, the stopper 7 can rotate to the cover body 3 with the connecting rod 6 and cooperate with the cover body 3 in clearance, the cover body 3 and / or the stopper member 7 is provided with Fluorescent strips, the surface of the cover body 3, the stopper 7 and the ...
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