Patent ID: 7665882
Filing Date: 2010-02-23
Classification: F21K,F21S,F21V

Abstract:
1. A lamp bulb provided with a lamp burner switch, comprising a plurality of LEDs that are provided on a substrate and further connected to a lamp burner, each of the LEDs being provided with a first pin and a second pin that is connected to the lamp burner inside which a chamber is formed, being characterized in that: a switch device is provided passing through the crest of lamp burner at a side opposite to the LED, in which one terminal of the switch device is connected to a lamp socket and the other terminal is properly kept at an interval from the first pin of LED, and when being moved, the switch device is made to shift towards the chamber, and when contacting the first pin, the switch device makes the LED form a turn-on loop; the switch device comprises a recovery unit and a push unit, in which the recovery unit passes through the chamber from the crest of lamp burner and is a cylinder and is provided with a room where a mouth is defined, a thru hole is provided passing through the bottom side of recovery unit, a wedge flange is provided in a radial direction around the mouth, the wedge flange is wedged to the top of lamp burner, an elastic part is further provided in the room, and the elastic part is wedged between the wedge flange of recovery unit and the bottom of room; and the push unit passes through the room from the mouth and through the thru hole, a push portion is formed in a radial direction around the top of push unit, the push portion is wedged to the wedge flange, a flange that is arranged in the room is formed on the outer circumferential wall of push unit, the flange is formed at the top of elastic part, an electrically conductive portion is vertically formed in the center of push unit, one terminal of the electrically conductive portion is connected to the lamp socket, and the other terminal is properly kept at an interval from the first pin of LED.