| 摘要 |
PURPOSE: A built-in fixing apparatus for preventing a sliding door from being opened without permission is provided to use in crime prevention or safety for children by preventing a door from being opened at the outside without permission. CONSTITUTION: A built-in fixing apparatus(1) for preventing a sliding door from being opened without permission comprises a fixed body(10), an operating block(20), and a guide pin(30) and an operation lever(40). An operating space(11) is formed on the center of the fixed body. An operating rail(12) is symmetrically formed at the both sides of a connecting space(11a) opened downward. A slot(13) is formed on the upper end of the center of the fixed body. A fixing hole(21) is formed on the center of the upper end of the operating block. A guide hole(23) is formed in the operating block. A friction unit(24) is fixed on the lower end of a projecting piece(22) in the operating block. A fastening screw(31) is formed at one end of the guide pin. An elastic body(32) is formed on the outer circumference of the guide pin. The operation lever comprises a fixing screw(41) and a knob(42). |
