Patent ID: 8854828

Claim:
A connecting module disposed at a casing having a through hole, wherein the connecting module comprises: a door rotatably coupled to the casing so as to be located at a first position to cover the through hole or located at a second position to open with respect to the casing; a connecting port disposed at an inner side of the door so as to be disposed inside the casing when the door is located at the first position or exposed outside the casing when the door is located at the second position; and an elastic member rotatably coupled to the connecting port so as to rotate with respect to the connecting port to fasten a plug between the connecting port and the elastic member when the plug is connected to the connecting port; a flexible circuit board disposed between the door and the connecting port; and wherein the door comprises a cover and a supporting member, and the supporting member is disposed between the cover and the flexible circuit board and rotatably coupled to the casing.