Anchor chain accessory convenient to connect

The utility model provides an anchor chain accessory convenient to connect, which relates to the technical field of ship equipment and comprises a lock catch, a through hole is arranged on the surface of the lock catch, a bolt is arranged on the inner side of the through hole, an external thread is arranged on the outer surface of the bolt, a nut is arranged at one end of the bolt, a clamping groove is arranged on the inner surface of the lock catch, and the clamping groove is connected with the bolt. A clamping groove is formed in the surface of the lock catch, a steel ball is arranged on the surface of the clamping groove, an inserting hole is formed in the surface of the bolt, a reinforcing column is arranged on the inner side of the inserting hole, an inner circular groove is formed in the position, located on the outer side of the through hole, of the surface of the lock catch, and the steel ball can be installed on the inner side of the lock catch through the clamping groove; the position of the thick a