Assembled lamp holder

The utility model relates to the technical field of lamps, in particular to an assembly lamp holder which comprises a shell and an insulator connected with the shell, and the shell comprises a shell body and a fixing ring connected with the shell body. The fixing ring is arranged at one end of the shell body, one end of the fixing ring is provided with a mounting port penetrating through the fixing ring, and the insulator comprises a blocking piece and a clamping piece connected with the blocking piece; an inserting hole is formed in one end of the blocking piece, and the inserting hole penetrates through the clamping piece; the clamping piece is connected with the end, close to the fixing ring, of the blocking piece. The clamping piece is of an annular structure, and the end, away from the blocking piece, of the clamping piece is bent outwards to define a fixing groove with the blocking piece. And the fixing groove is matched with the fixing ring. According to the assembling lamp holder, the fixing groove is