CRIME PREVENTION DEVICE OF DOOR

摘要

The present invention relates to a fire door and to a crime preventing apparatus for a fire door, capable of preventing a robbery by preventing the fire door from opening when a thief forcibly opens the fire door, by making a fixation pin automatically protrude and be inserted into the fire door from a door frame when the fire door is closed. The present invention includes, in the door frame, a snap clasp moving into the door frame by being pushed by the fire door when the fire door is closed. The snap clasp is installed in the door frame along the door frame and is fixated on one side of a latch having a predetermined length and the latch is coupled to the door frame by a hinge and rotates. A fixation pin protruding toward the side surface of the door frame is fixated on the front end of the latch. A spring is installed to provide elasticity between the fixation pin and the hinge in the direction in which the fixation pin moves into the door frame.