The utility model discloses a crimping type plug structure which comprises a transition cover, a wire clamping plate is arranged on the inner side of the right end of the transition cover and is connected with the transition cover through a fastening screw, a locking cap is connected to the inner side of the wire clamping plate through a first screw and a spring
washer, a connecting cap is arranged on the outer side of the left end of the transition cover, and a rubber sealing ring is arranged on the inner side of the end face of the left end of the transition cover. A jack insulator is arranged on the inner side of the left end of the transition cover, a jack cover plate is arranged on the inner side of the jack insulator, an integrally-formed nut is arranged in the middle of the inner side of the jack cover plate, the jack insulator and the jack cover plate are connected through a second screw and the nut, and crimping jacks are inserted into the inner side of the jack insulator and the inner side of the jack cover plate. According to the utility model, the functions that the nut is integrally formed, the nut is stable and does not fall off, rotation is prevented, rainwater,
sewage and other liquids are effectively prevented from permeating, the connection between the
contact element and the lead is tighter, and the
contact resistance is small are realized.