Conductive slip ring with long service life

The utility model relates to the technical field of conductive slip ring structure design, and discloses a conductive slip ring with long service life, which comprises a rotor, the middle part of the top end of the rotor is fixedly connected with an inner conductive ring, the outer wall of the inner conductive ring is rotatably connected with an outer conductive ring and penetrates through the inner conductive ring, and the bottom end of the outer conductive ring is fixedly connected with a first end cover. A second end cover is fixedly connected to the top end of the outer conducting ring, a dustproof cover is arranged in the middle of the top end of the second end cover, a piston column is fixedly connected to the middle of the bottom end of the dustproof cover, and the surface of the outer wall of the piston column is tightly attached to the surface of the inner wall of the inner conducting ring; the inner wall of the annular groove is slidably connected with a sliding ring. According to the utility model,