| 摘要 |
In order to simplify the processing of the bottom of a heat radiator of an LED (Light Emitting Diode) lamp, the lampholder and heat radiator of the LED lamp are connected in a screwing manner, so that during a process of detaching the LED lamp from an external lampholder arranged on a ceiling and the like, the joint of the internal lampholder and heat radiator of the LED lamp is unscrewed. Therefore, the utility model provides an LED lamp which is capable of preventing loosening of a heat radiator by virtue of a simple structure. The LED lamp (100) is provided with a lamp head (10), a heat radiator (40) and a lampholder (30) used for fixing the lamp head (10) and the heat radiator (40), wherein the lamp head (10) and the heat radiator (40) are screwed into the lampholder (30) so as to be fixed; the heat radiator (40) is provided with a cooling fin (41), the heat radiator (30) is provided with a propping part (32) which props against the cooling fin (41), the propping part (32) is provided with a bulge (33) used for clamping the cooling fin (41), and the cooling fin (41) is clamped by the bulge (33) of the propping part (32) formed on the lampholder (30) so as to prevent loosening of the heat radiator (40). |
