Patent attributes
A fixing base, a lamp fixing device, and a lamp are provided. The fixing base includes a first main body part and a junction box; the first main body part has an accommodation cavity for accommodating the junction box, a first joint part, and a first detachable connection part for direct and detachable connection with the junction box. A first electrical connection part and a second detachable connection part for detachably cooperating with the first detachable connection part are provided on the junction box. The first detachable connection part and the second detachable connection part are configured to be detachably connected through their relative rotation along a rotation shaft, and the junction box can be fixed detachably in the accommodation cavity through the cooperation of the first detachable connection part and the second detachable connection part.