| CPC F21V 29/70 (2015.01) | 10 Claims |

|
1. A lamp, comprising a lamp body and a light source assembly arranged in the lamp body, wherein:
the lamp further comprises a heat dissipation structure as well as a fastener located between the lamp body and the light source assembly;
the lamp body is provided with at least one perforation, and one side of the heat dissipation structure facing towards the lamp body is provided with a blind hole corresponding to the perforation;
the fastener is configured to pass through the perforation to be connected with the blind hole so as to reduce a gap between the heat dissipation structure and the lamp body; and
a connecting part is arranged on one side of the heat dissipation structure facing towards the light source assembly, and the connecting part is connected with the light source assembly to reduce a gap between the light source assembly and the heat dissipation structure.
|