But high -efficient heat dissipation street lamp of revolving light head

The utility model discloses a but high -efficient heat dissipation street lamp of revolving light head, the device include lamp holder, rotary device and lamp pole. The lamp holder includes base plate, lamp shade, connecting plate A and connecting plate B, be equipped with between connecting plate A and the connecting plate B and separate empty intermediate layer, be equipped with the fin on the connecting plate B to be equipped with the air vent and separate empty intermediate layer intercommunication, be connected with the heat pipe on the connecting plate A, the heat pipe is inserted and islocated the axle that conducts heat, fin and connecting plate B junction are arranged in to the axle other end that conducts heat, rotary device, including fixed disc, rotatory head, cassette, rotatory head is connected on fixed disc, lamp pole top inner wall is arranged in to the cassette, is connected with fixed disc by setting up the subassembly. The utility model discloses a radiating efficiency of LED lamp has been