Miniature low-frequency antenna

The utility model relates to a small-sized low-frequency antenna, which is characterized in that the small-sized low-frequency antenna comprises a protective rubber sleeve, an antenna joint, an antenna main body and a sealing sleeve cover, one end of the protective rubber sleeve is formed on the antenna joint through injection molding, the antenna main body is arranged in the protective rubber sleeve, and the antenna main body is connected with the antenna joint; a reinforcing convex ring is arranged on the inner circumferential surface of the other end of the protective rubber barrel, a rubber hiding ring groove is formed in the outer circumferential surface of the other end of the protective rubber barrel, the rubber hiding ring groove is filled with sealing adhesive, the other end of the protective rubber barrel is sleeved with the sealing sleeve cover, and the inner wall of the sealing sleeve cover is tightly attached to the sealing adhesive. According to the utility model, the structural strength of the