Waterproof USB socket and manufacturing method of the same

A waterproof Universal Serial Bus (USB) socket, comprising a connector, a metal housing sleeved on a periphery of the connector, a waterproof glue filled in a tail portion of the connector, and a waterproof ring sleeved on a periphery of the metal housing,

• wherein the connector comprises a metal intermediate plate, a first terminal group and a second terminal group respectively provided at an upper side and a lower side of the metal intermediate plate, and an insulating body integrating the metal intermediate plate, the first terminal group and the second terminal group into one piece;
• wherein the insulating body comprises a base portion, a step portion formed by extending forward from the base portion, and a docking portion formed by extending forward from the step portion;
• wherein the metal housing comprises an inner metal shell having a seamless outer wall;
• and
• wherein a stopping member is integrally formed on the base portion of the insulating body, and the stopping member comprises a spot-welding platform, and a stopping portion formed at a front end of the base portion by bending and then extending downward from the spot-welding platform;
• and
• wherein the spot-welding platform of the stopping member and the inner metal shell are in contact and fixed into one piece by means of spot-welding.