High-performance three-proofing connecting line

The utility model relates to a high-performance three-proofing connecting line. The device comprises a cable and a connector, the connector comprises a shell, an inner rubber core and an outer rubberpiece, the inner rubber core is arranged in the shell and provided with a plurality of spring needles electrically connected to a PCBA board, the outer rubber piece is arranged at the bottom of the inner rubber core, a first waterproof ring is arranged between the inner rubber core and the outer rubber piece, and the outer rubber piece is provided with a mounting block; the mounting block is provided with a plurality of PINs and a second waterproof ring, the shell is provided with a locking screw, and a third waterproof ring is arranged between the locking screw and the shell; the beneficial effects of the utility model are embodied as follows: the whole body adopts an in-mold molding mode, the waterproof rings are respectively arranged on the inner rubber core and the outer rubber piece so as to improve the water