| 摘要 |
The present invention relates to a fixing device of a steel door using a permanent magnet, by which, when doors made of steel members, such as a door of a distribution board, a door of a communication terminal box and a door of a steel cabinet are opened or closed, the doors can be locked by conveniently adsorbing the door using magnetism. The fixing device comprises: a body (2) having a predetermined length, the body injection-formed with synthetic resins; a head (3) more largely formed than the body (3) on an upper part of the body (2); a magnetic housing (10) of a ferrous metal material buried and installed in the head (3) to be opened to the top, and installed by a predetermined depth (d) rather than an upper section of the head (3); a coupling groove (15) formed on the outer circumferential surface of the magnetic housing (10); a permanent magnet (11) installed to be inserted and adsorbed in the magnetic housing (10); a support (4) formed in the bottom of the body (2) more largely than the body (2), in which a plane-figure contact part (13) is formed; a hexagonal groove (9) and the top of a set screw (8) buried and fixed in the bottom of the body (2); the bottom of the set screw (8) protruding to the bottom of the body (2); and a tool coupling part (5) formed on one end of the body (2). |
