JP2020173927A5 - - Google Patents

Claims (6)

A luminaire body having a translucent portion on the front end surface and a tubular exterior member externally fitted to the front end portion of the luminaire body are provided, and the illuminating light emitted from a light source in the luminaire body is the translucent light. It is a lighting fixture that passes through the part and passes through the exterior member to be illuminated forward.
A tubular elastic packing member is attached to the front end of the luminaire body in a state of being externally fitted.
A plurality of threaded holes corresponding to the packing member are formed in the exterior member at intervals in the circumferential direction, and the threaded members are arranged in the plurality of threaded holes along the radial direction. Each is screwed,
The luminaire is characterized in that the exterior member is attached to the luminaire main body by screwing the screw member in the inner diameter direction and pressing the tip of the shaft portion of each screw member into pressure contact with the packing member. .. A plurality of ridges extending in the axial direction of the exterior member are formed on the outer peripheral surface of the packing member at intervals in the circumferential direction, and are continuous along the axial direction between each of the plurality of ridges. A waterway is formed,
A claim in which a drain hole is formed at the rear end of the water passage in the packing member, and the rear end side of the water passage is opened to the rear of the exterior member on the outside of the luminaire main body through the drain hole. The lighting equipment according to item 1. The luminaire according to claim 1 or 2, wherein an inward flange portion that abuts and engages with the outer periphery of the front end surface of the luminaire body is formed at the front end of the packing member. The luminaire according to any one of claims 1 to 3, wherein an outward flange portion that abuts and engages with the rear end surface of the exterior member is formed at the rear end of the packing member. An outer peripheral groove for pressure welding is formed on the outer peripheral surface of the packing member corresponding to the screw member and is continuous in the circumferential direction on the outer peripheral surface of the luminaire main body.
The luminaire according to any one of claims 1 to 4, wherein the tip of the shaft portion of the screw member is pressure-welded to the inner peripheral surface of the outer peripheral groove for pressure welding. An outer peripheral groove for positioning is formed along the circumferential direction on the outer peripheral surface of the front end portion of the luminaire main body, and the outer peripheral groove is formed.
A positioning inner peripheral convex portion is formed on the inner peripheral surface of the packing member along the circumferential direction corresponding to the positioning outer peripheral groove.
The lighting according to any one of claims 1 to 5, wherein the positioning inner peripheral convex portion is fitted into the positioning outer peripheral groove so that the packing member can be positioned with respect to the lighting fixture main body. Equipment.