The utility model relates to a rotatable connector, it is by connecting base, connection electrode, locking lead screw, brush, brush fixed axle, brush protective sheath, linking arm, spring, compressing tightly cap, insulating skidding, fixing pin, gland, gland bolt, connecing electric bolt group, axle sleeve etc. To form. Rotatable connector is fixed the work piece by the locking lead screw on, it is rotatory to follow the work piece. The linking arm is pressed on the brush by compressing tightly the cap spring, and the brush is rotatory, and the linking arm is static relatively. Welding source output termination on meeting electric bolt group, on rotatory brush is carried to linking arm that the current conveyance is static relatively, again by connect brush and the electrode of connecting the base carry connect the base on, finally through installing on the work piece is carried to the electrode of connecting the base, guarantee the continuity of welding process process. The utility model discloses a rotatable connector has simple structure, small, simple installation, good reliability, continued work's characteristics for a long time.