Two-core plug

The utility model discloses a two-core plug which comprises a first shell, a support is fixedly arranged at the top of the inner side of the first shell, a placement seat is fixedly arranged at the bottom end of the support, two placement grooves are formed in the inner side of the placement seat, contact pins are fixedly arranged in the two placement grooves, a second shell is fixedly arranged at one end of the first shell, and the second shell is fixedly arranged at the other end of the first shell. According to the two-core plug provided by the utility model, the four threaded rods are driven to rotate by rotating the four knobs clockwise, so that the four clamping strips are pushed to move in opposite directions pairwise, and then two cables are limited and clamped; according to the two-core plug, the situation that when the two-core plug is used, the cable is pulled, the connecting position of the cable and the contact pin is loosened or even separated, and then normal work of the two-core plug is affect