High-sealing arc-shaped lampshade

The utility model discloses a high-sealing arc-shaped lampshade which comprises a lamp cup body, a limiting inner ring groove, an elastic sealing ring, an elastic sealing skirt edge, an external thread surface, an arc-shaped lamp cover and an internal thread ring surface. According to the LED lamp, the lamp cover can elastically seal the seam of the lamp cover through the cooperation of the limiting inner ring groove and the multiple sealing rings, the sealing effect is good, meanwhile, the drying agent interlayer is arranged in the lamp cover, dehumidification and drying can be conducted from the interior of the lamp cover, and stable work of the LED lamp is effectively guaranteed. 本实用新型公开了一种高密封的弧形灯罩，包括灯杯体、限位内环槽、弹性密封环、弹性密封裙边、外螺纹面、弧形灯盖和内螺纹环面。本实用新型能够使灯罩通过限位内环槽配合多重密封圈对灯罩接缝处进行弹性密封，密封效果好，同时在灯罩内部设置干燥剂夹层，可以从灯罩内部进行除湿干燥，有效保障LED灯的稳定工作。