Rotation plate of receptacle assembly the present invention refers to in the opinion structure which burns provided, the present invention refers to such formed face of the rotating disk and form a control the rotation angle by a rotary shaft extended wing pieces while the interaction of the, plug insertion parts wing pieces settling a rotary plate configured on an insertion part plug the opinion city which burns the control through a guided-by mode in a status where is 2a is connected to the binding elastically the plates shift rotation angle control by the protrusions plug insert part of wing pieces at meal bud hall to thereby preventing migration of one, other, the plug easily rotational plate section including at delays a while, and do no not separate rich urges external force rotational plate a plug insert unit an install state face of the rotating disk and having rotational stably keep the rotational force cannot be separated and semi-permanently real estate can be conserved as the is.