| 摘要 |
Provided in the present invention is a blast proof door with an automatic door opening function to secure the safety and reliability of the national defense equipment by opening a door to be used for a special purpose against an outbreak of an external impact such as a powerful hit, an explosion, a direct shot, etc. Additionally, the blast proof door with an automatic door opening function reduces external impact through a dissipation of a force applied to each steel plate due to external impact by fabricating steel plates with high strength. According to the present invention, the blast proof door comprises: a frame (1) which is formed in the shape of a square frame and is installed on a wall body; a door (2) which is covered with a steel plate (10) with a high strength material and is installed to be opened and closed inside the frame (1); a hinge part (3) one end of which is fixed to the frame (1) and the other end of which is fixed to the door (2) to be rotated inside the frame (1); and an operating part (4) one end of which is fixed to the wall body and the other end of which is coupled to the door (2) with a link (5) to automatically open the door (2) in case of an emergency. |
