Novel pull ring formula plug

The utility model relates to a novel pull ring formula plug, including casing and two thong feet, the afterbody of participating in stretches into in the casing, the afterbody of participating in is equipped with slide bar and U type pull rod, the arc position of pull rod is outside in the casing, the both ends of pull rod are all through slide bar and both ends and casing sliding connection of participating in fixed connection and pull rod, participate in with the slide bar perpendicularly, the both ends of slide bar all are equipped with the pulley, be equipped with the draw -in groove that matches with the pulley on the lateral wall of casing, be equipped with the spring between the top of casing and the slide bar. This novel pull ring formula plug simple structure, the design is exquisite, and than ordinary plug, it is very convenient not only to use, and the plug plug is more laborsaving, in addition through the design of external pull ring, the security that has improved the plug plug.