Fire-extinguishing type fire exit door capable of preventing fire from spreading

Abstract

The invention discloses a fire-extinguishing type fire exit door capable of preventing fire from spreading. The fire-extinguishing type fire exit door comprises a wall body, wherein a fire fighting access which is through horizontally is arranged in the wall body; the front side of the fire-fighting access is equipped with a fire fighting access body, and the rear side of the fire-fighting accessis equipped with a room; guide and slide cavities are symmetrically arranged in inner walls of left and right sides of the fire-fighting access; the guide and slide cavities communicate with the fire-fighting access; and a door plate can be arranged between the guide and slide cavities and the fire-fighting access in a sliding mode. The fire exit door only can be completely closed by manual operation, so that a person is prevented from not timely escaping if trapped in a fire scene; and moreover, while the fire spreads to the fire exit door, fire extinguishing is automatically performed at theperiphery of the fire exit door, so that the fire-fighting access is guaranteed to be not spread with fire, and therefore, rescue time is prolonged for a fireman.

Description

Technical field [0001] The invention relates to the field of fire protection, and in particular to a fire extinguishing type fire door for preventing the spread of fire. Background technique [0002] Fire door refers to a door that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. It is a fire partition with certain fire resistance, such as fire compartments, evacuation stairwells, and vertical shafts. In addition to the role of the door, it also has the effect of preventing the spread of fire and smoke. It can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. However, in the case of a large fire, some existing fire doors can only be used for short periods of time. The fire can be blocked within time and cannot effectively control the spread of fire. The fire extinguishing type fire door set forth in the present invention to prevent the spread of fire can solve th...

AI Technical Summary

Problems solved by technology

[0002] Fire doors refer to doors that can meet the requirements of fire resistance stability, integrity and heat insulation within a certain period of time. In addition to the function of the door, it also has the function of preventing the spread of fire and smoke. It can prevent the spread of fire within a certain period of time and ensure the evacuation of personnel. Blocking the fire within a certain period of time cannot effectively control the spread of the fire. A fire extinguishing type fire door that prevents the spread of the fire described in the present invention can solve the above problems. The present invention requires manual operation to completely close the fire door to avoid people being trapped in the fire door. It is impossible to escape in time in the fire scene, and when the fire spreads to the fire door, it will automatically extinguish the fire around the fire door to ensure that the fire exit will not be spread by the fire, prolonging the rescue time for the fire alarm

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