Patent ID: 8408742
Filing Date: 2013-04-02
Classification: F21S,F21V,F21Y

Abstract:
1. A light emitting diode fluorescent tube comprising a tube body and caps fixedly connected to two ends of the tube body, characterized in that: the tube body comprises: an axial bar-shaped radiator, a radiating face of which is fan-shaped and a heat conducting face of which is provided with at least two axial bar-shaped slots forming an included angle; an illuminant, which comprises printed circuit board aluminum substrates corresponding in amount to the bar-shaped slots of the radiator, wherein the front face of each of the printed circuit board aluminum substrates is equipped with a plurality of light emitting diode illuminants and the printed circuit board aluminum substrates are clamped in the bar-shaped slots of the radiator; a bar-shaped heat conducting gasket, which is adhered to the back face of the printed circuit board aluminum substrate in a fitting manner and clamped between the printed circuit board aluminum substrate and a heat conducting face of the bar-shaped slot; a circular arc lampshade, which is in clamped connection with two sides of the radiator and forms the cylindrical tube body with the radiator together; wherein the cap comprises: wherein the opposite fixed part is a lamp body holder with one end face fixed at the end of the tube body and the other end face provided with a cylindrical sleeve protruding from the end face, the inner wall of the cylindrical sleeve is provided with an annular buckle, the end face of the lamp body holder at the outer side of the cylindrical sleeve is provided with an annular groove coaxial with the tube, and a plurality of arc grooves are arranged on the inner wall of the annular groove uniformly; and the opposite movable part comprises: a cap shaft sleeve, wherein one end of the cap shaft sleeve is sleeved with a connecting sleeve the end face of which is fixed with a connecting plate fixation base; the other end of the cap shaft sleeve is provided with a cylindrical sleeve post protruding from the end face and fit for the cylindrical sleeve of the lamp body holder, the outer circumferential face of the cylindrical sleeve post is provided with an annular buckle fit for the buckle on the inner wall of the cylindrical sleeve, the cylindrical sleeve post is provided with a cutting groove for the elastic deformation of the annular buckle; and the end face of the cap shaft sleeve at the outer side of the cylindrical sleeve post is provided with an annular groove; a rotating sleeve, wherein the rotating sleeve is arranged between the lamp body holder and the cap shaft sleeve and is provided with an annular connecting part fit for the annular groove of the lamp body holder and a sleeve connected with the annular groove on the end face of the cap shaft sleeve, and the side face of the annular connecting part is provided with an arc protrusion fit for the arc groove.