Conductive part, lamp holder and outer cover

The utility model discloses a conductive part, a lamp holder and an outer cover, and particularly relates to the technical field of lamps, the conductive part comprises a concave-convex part, a first elastic sheet, a second elastic sheet and a limiting sheet, the concave-convex part is arranged on the side surface of the conductive part, and the concave-convex part is arranged along the extension direction of the side surface of the conductive part; one end of the first elastic sheet is connected with the upper end side surface of the conductive member, and the other end extends away from the side surface of the conductive member; the second elastic sheets are arranged on two sides of the upper end of the conductive piece; the limiting pieces are arranged on two sides of the middle of the conductive piece; the second elastic piece and the limiting piece are both perpendicular to the side face of the conductive piece and extend in the direction away from the side face of the conductive piece. The conductive pa