Fireproof door

Abstract

The invention discloses a fireproof door which comprises a door plate and a door frame, wherein one side of the door plate is provided with a first long-strip-shaped opening from top to bottom; a second long-strip-shaped opening is formed below the first long-strip-shaped opening; a door lock body is arranged on the door plate; a fastener is arranged on the door lock body; one end of the fastener extends out of the door plate through the long-strip-shaped openings, and can move up and down in the first long-strip-shaped opening; a connecting rod is hinged on the fastener; the other end of the connecting rod is fixed to the door lock body; a spring is arranged on the connecting rod in a sleeving mode; and a first guide part is arranged on the fastener. The fireproof door can effectively insulate sound, and can be quickly opened to shorten escape time.

Description

technical field [0001] The invention relates to a door, in particular to a fireproof door. Background technique [0002] Fire doors are used in various public places. If the existing fire doors are locked, the hidden parts must be loosened and unlocked to open the fire doors or escape doors. In an emergency, the escape time is prolonged. time, and the escape doors are generally thicker. When opening the escape door, it not only takes a lot of physical strength, but also, the fire door is not often opened, so it is not easy to be opened, which hinders the escape time. On the one hand, the sound insulation effect is relatively poor, especially for the fire doors in entertainment venues. If the sound insulation effect is not good, it will affect the surrounding residents. [0003] Therefore those skilled in the art are devoted to developing a kind of escape door that can open quickly. Contents of the invention [0004] In view of the above-mentioned defects in the prior art...

AI Technical Summary

Problems solved by technology

[0002] Fire doors are used in various public places. If the existing fire doors are locked, the hidden parts must be loosened and unlocked to open the fire doors or escape doors. In an emergency, the escape time is prolonged. time, and the escape doors are generally thicker. When opening the escape door, it not only takes a lot of physical strength, but also, the fire door is not often opened, so it is not easy to be opened, which hinders the escape time. On the one hand, the sound insulation effect is relatively poor, especially the fire doors in entertainment venues. If the sound insulation effect is not good, it will affect the surrounding residents.

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