Safety door

Abstract

The invention discloses a safety door in the technical field of fire prevention. The safety door comprises a door frame embedded in a wall body, the door frame is hinged with a right door and a left door, the left side wall of the right door is connected with a spring bolt through a telescopic locking mechanism, and the left door is provided with a door lock opening and closing mechanism. Throughthe arrangement of the door lock opening and closing mechanism, when a fire occurs, a lock of the left door and a lock of the right door can be automatically opened by pushing a shifting block once, and escape people can easily push the safety door to escape, so that the time for the escape people to completely open the safety door is shortened, the safety door is completely opened at a higher speed, trapped people can pass through the safety door which is completely opened at a higher speed, escape resistance caused by long consumed time due to the fact that the doors at the two sides need tobe opened separately or congestion due to the fact that the doors cannot be completely opened in time is avoided, and beneficial conditions are provided for escape of the escape people.

Description

technical field [0001] The invention relates to the field of fire protection, in particular to a safety door. Background technique [0002] Passage safety door is a classification of safety doors, that is, safety passage door, also known as emergency evacuation door, safety emergency door, escape door, safety exit door, emergency exit door, emergency passage door, fire exit door. Generally, this door must be possessed for fire safety of buildings, and is the door of fast access for emergency escape and fire rescue. [0003] In the prior art, during the opening process of the passage safety door, there is often a door that is plugged into the ground through a bolt and is in a normally closed state. When a fire or other emergency occurs, a larger escape space is needed, but the other door can only be opened first. The normally closed door can only be opened after opening the door. When encountering an emergency, people tend to be in a hurry when they are in a panic. On the on...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to provide a safety door to solve the problem that in the prior art passage safety door proposed in the above-mentioned background technology, during the opening process, there is often a door that is inserted into the ground through a bolt and is in a normally closed state. In an emergency, a larger escape space is needed, but the normally closed door can only be opened after opening the other door. When an emergency occurs, people tend to be in a hurry when they are in a panic. The normally closed door is not opened, causing congestion. On the other hand, when the normally closed door and the normally closed door are opened separately, a lot of escape time will be wasted, which will lead to the problem of missing the best escape time

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