Abstract: There is provided a locking device including: a locking unit capable of performing locking and unlocking operations by rotation; an upper body part in which a first connection hole is formed; a body part which is inserted into the first connection hole of the upper body part and combined with one end of the locking unit; a lower body part in which a third connection hole into which the body part is inserted from below is formed; and a locking washer which is positioned between the upper body part and the lower body part and configured to fix and combine the upper body part and the lower body part.

Abstract: Disclosed is a locking device. According to an exemplary embodiment of the present disclosure, there is provided a locking device including: a locking unit capable of performing locking and unlocking operations by rotation; an upper body part in which a first connection hole is formed; a body part which is inserted into the first connection hole of the upper body part and combined with one end of the locking unit; a lower body part in which a third connection hole into which the body part is inserted from below is formed; and a locking washer which is positioned between the upper body part and the lower body part and configured to fix and combine the upper body part and the lower body part.