Lamp holder in combination with lamp plug , has brim-like edge protrusion on insulating and sealing element, so that outer wall is spaced apart from inner wall of fitting section on lamp plug side

摘要

A lamp holder (3) in combination with a lamp plug (2) having a fitting portion (2a), the lamp holder comprising: a fitting recess (3a) for fitting the lamp plug, a high-voltage side terminal (4) disposed at one of a central portion of the fitting recess and a peripheral portion surrounding the central portion of the fitting recess, a low-voltage side terminal (5) disposed on the other and an insulation sealing member (10) insulating between the low-voltage side terminal (5) and the high-voltage side terminal (4), wherein the insulation sealing member (10) is in partial contact with an inner peripheral wall (2d) of the fitting portion (2a) of the lamp plug (2), characterized in that the insulation seal member further has a brim-shaped edge projection (13) projecting from an edge of the insulation seal member (10) in a radial direction of the insulation seal member (10), the cylindrical fitting portion (2a) of the lamp plug forming the brim-shaped edge projection (13) against the fitting recess presses, and wherein the outer peripheral wall (10 a) of the insulation sealing element a distance ...