Holder for wire connection socket

The utility model relates to a wire connection device, which mainly relates to a holder used for the pressing connection of a wire connection base and wires. The utility model is characterized in that a wire pressing piece in which a small diameter margin of the back segment is movably inserted a through hole of a fastening piece is arranged in a screw hole arranged on one side of the wire connecting base, the front end of the outer margin of the wire pressing piece is a flange which has a large diameter, the back segment of the press line piece is a hollow sleeve barrel which has a small diameter margin, and a platform shoulder arranged between the flange which has a large diameter and the small diameter margin is abutted on the front end of the fastening piece. Accordingly, a wire core can not be broken because of friction.