Patent ID: 8931915
Filing Date: 2015-01-13
Classification: F21L,F21V

Abstract:
1. An anti-opening structure of a lighting device for preventing a cap screwed in at an end of the lighting device from being unscrewed with free hands, wherein a recess area preset at a lower portion under an external thread section formed at an end, for disposing a lighting source, of a lighting source main body, is disposed with a restraining member, a through hole preset at a lower end of an internal thread section, formed adjacent to an inner side of a cap screwing in an end of the lighting device main body, combines with a nut to allow a screw with a predetermined length to screw out through the nut outwards the cap, and a predetermined section of an end of the screw is formed with a projecting circular portion; the cap screwing into the end of the lighting device main body and forming the lighting device is configured with the anti-opening structure, the screw is screwed into the restraining member of a corresponding portion of the lighting device main body by inserting an end of a tool into the screw protruding out of an outside of the cap, the screw is unable to screw in when the projecting circular portion at the end of the screw abuts against an outer periphery of the restraining member to avoid a gap formed between the lighting device main body and the cap, and an original function of the cap at the end of the lighting device main body isn't affected by anti-opening.