A protrudable connector structure that includes a first frame having a first guiding hole; a second frame having a push button and a second guiding hole that overlaps with the first guiding hole when the push button is pressed; a pin inserted into the first guiding hole and the second guiding hole so that the pin moves along the first and second guiding holes; a connector member coupled to the pin; and a link that presses the pin, wherein when the pin is located in a first locking groove portion of the second guiding hole, the connector member is locked so as not to protrude outside of the housing, and when the pin is located in a second locking groove portion of the second guiding hole, the connector member is locked so as not to be inserted into the housing.