A connector including a female pin and a male pin is disclosed, wherein the female pin includes a first elastic sheet seat and an elastic sheet, the first elastic sheet seat is provided with a first seat hole, a pin bar extending-out hole, and a guide transition hole communicated with the first seat hole and the pin bar extending-out hole. The elastic sheet is assembled inside the first seat hole. The male pin includes a base and a pin bar fastened to the base. The pin bar includes a large-diameter part and a small-diameter part, wherein the large-diameter part is used to fit a clamping portion of the elastic sheet, and wherein the small-diameter part is used to fit the pin bar extending-out hole. A guide transition hole and a pin bar extending-out hole of a first elastic sheet seat achieve a guiding function for insertion of a pin bar.