Moistureproof and anti-loosening signal transition joint

The utility model discloses a moisture-proof and anti-loosening signal transition joint, which belongs to the technical field of signal transition joints and is characterized in that a rotating piece is mounted on two sides of the outer wall of a signal connecting piece, one end of a rotating positioning piece is sleeved in the middle of the rotating piece, a fixing groove is formed in one end of the rotating positioning piece, and a positioning piece is mounted in the middle of a signal transition joint main body; the outer wall of the positioning piece is sleeved with the anti-skid soft cushion, the outer wall of the positioning piece is sleeved with the fixing groove, the connecting chip is installed in the middle of one side of the signal connecting piece, the inserting groove is formed in the middle of one side of the inner wall, and the signal transition connector body and an opening of the signal connecting piece are covered with the damp-proof sealing gasket. The connecting chip on the signal connecti