This invention discloses a connector structure including a base, a plurality of metal pins, and a cover. The metal pins are disposed at the base. The cover has a first side and a second side being separately and pivotally connected to the base, respectively. The first side is capable of being operated to be separated from the base and to rotate around the second side for exposing one part of the metal pins. The second side is capable of being operated to be separated from the base and to rotate around the first side for exposing one part of the metal pins.