Abstract: Disclosed is a locking apparatus for an accessory. The locking apparatus includes a locking housing having a space section, a rotary lever rotating about a hinge, a torsion spring supporting the rotary lever, a push part exposed out of the locking housing, a first locking protrusion provided in the rotary lever and a locking bar having a second locking protrusion. When the locking bar is inserted into the locking housing, the second locking protrusion is locked with the first locking protrusion, so that the accessory is locked. When the push part is pressed, the second locking protrusion is separated from the first locking protrusion, so that the accessory is unlocked.

Abstract: A jewelry item including a body, a locking bar provided at one end of the body with a locking groove, and a locker provided at the other end with an insert groove and an internal hinge post. A locking release button is mounted within the locker and rotatable around the internal hinge post. The release button has a first end for engagement of the locking groove and a second pressing end protruding out of the locker. A spring is mounted about the internal hinge post. When the first end of the release button is received within the locking groove in a closed position and the pressing end is depressed, the first end of the release button is rotated against the elastic spring force and the locking bar is decoupled from the locker into an open position.