A connector structure (C) for connecting a plurality of electric devices accommodated in metal casings (10, 50) and arranged proximate to each other includes a first connector (30) provided in one (10) of the metal casings, a second connector (70) provided in the other (50) of the metal casings and configured to electrically connect the electric devices by being connected to the first connector (30), and a conductive resilient member (90) arranged to be sandwiched between the both metal casings while being electrically conductive to the metal casings (10, 50) and surround connected parts of the first and second connectors (30, 70).