DOOR LOCKING DEVICE FOR A HINGED DOOR

摘要

A door locking device is provided to minimize the abrasion of components caused by reciprocation. A slide hole(H) is horizontally formed on at least one member of front and rear case members(41B) forming a case. A sliding protrusion(E1) protrudes from an outer circumferential surface of a latch bolt shaft(43). A slider lever(46) includes front and rear slider levers. A key lever protrusion hole is formed at least one side of the front and rear case members. A key lever(48) includes a key lever protrusion. A handle lever moving the key lever protrusion is coupled to any one side surface of the front and rear case members. The handle lever is formed at the central portion thereof with a knob shaft through hole. An insertion member is inserted into the knob shaft coupling hole of the slider lever. The insertion member protrudes from a brim of the knob shaft through hole.