Improved structure of rotary plug

The utility model relates to an improved structure of a rotary plug. A trip which forms an approximate umbrella shape is convexly arranged on one end of a base with a round head, a plurality of concentric ring grooves are arranged at proper concave position of an outer ring of the trip, a copper sheet body which is convexly provided with an edge abutting part is coated by the concave face of the ring groove, and an electric conduction wire which is coated in the neck part on the other end of the base with a round head is fixedly connected with the copper sheet body; a cover bonding face on the inner side of a circular base cover is concavely provided with a step-shaped structure, a cylinder of a clamping groove is convexly arranged at a proper position corresponding to the trip, three connecting feet and a static electricity connecting foot are coated on the periphery of the clamping groove and can be respectively in inserting connection and sleeve joint with any circular groove, the inner connecting end of the connecting foot contacts the copper sheet of the circular groove and the whole plug can rotate in any angle.