Patent ID: 7074095

Claim:
A car battery post fixing structure, which is configuredly disposed on a car battery, and functions as a fixing structure that connects to a terminal of a car electrical system; and characterized in that: the car battery post fixing structure comprises a fixing cap and a cap nut, wherein interior of the fixing cap is formed to correspond to same shape of a battery post, and internal diameter of the fixing cap is slightly smaller than that of the battery post, a screw thread is configured on an outside wall of the fixing cap, and a screw thread, which is of type that is in a inverse direction to that of the screw thread of the outside wall, is configured on an inside wall of the fixing cap or the inside wall is of a smooth threadless type, moreover, a plurality of grooves are defined on a side edge of an opening of a bottom portion of the fixing cap, an extended screw is configured on a top portion external of the fixing cap, and the cap nut is slipped over the top portion of the fixing cap and screws down onto the battery post thereof.