Equalizing ring

The utility model discloses an equalizing ring, wherein two connecting rods are arranged and fixedly connected by a connecting piece; the ring body is connected with the connecting rod by a screw nail; the equalizing ring is characterized in that: a round boss is arranged at the position where the connecting rod is connected with the screw nail, the inner cavity of the boss is a threaded hole; andthe screw nail is a cross recess head screw. The structure has the following advantages: the boss is arranged at the connecting part of the equalizing ring, the tail end of the screw nail is wrappedtherein, and the screw nail is designed into the cross recess head screw, therefore, the whole connecting piece has no sharp corners, and the phenomenon of discharge of the sharp corners does not exist, thus avoiding the malformation of an electric field, and stabilizing the performance of the equalizing ring.