Door hinge pin with improved security and hinge coupling structure using the same

摘要

The present invention discloses a hinge pin of the door and a hinge coupling structure using the same. The hinge pin according to the present invention is to be fastened through the first support member of the door frame and the second support member of the door to rotatably couple the door to the door frame, the cylindrical body portion; A flange portion having a larger diameter than the body portion and formed at one end of the body portion; It is for engaging the locking device includes a locking groove formed by cutting in the circumferential direction in the vicinity of the other end of the body portion.;According to the present invention, because the hinge hinge pin is specially manufactured and the locking device is coupled thereto, the hinge pin can not be removed from the outside without permission. Therefore, security can be improved compared to the conventional door structure, and accidental accidents caused by separation of the door can be prevented.;Hinge, Hinge Pins, Locks