Lock body device for luggage

The utility model discloses a lock body device for bags and suitcases. The lock body device comprises an unlocking mechanism and at least two sets of locking mechanisms. The locking mechanism comprises a sliding buckle arranged on one box body in a sliding mode, an inserting buckle arranged on the other box body and a locking spring arranged on the sliding buckle and used for driving the sliding buckle to reset, the sliding buckle comprises a limiting part, a guide groove is formed in the limiting part, the inserting buckle comprises a locking part and a connecting part used for being connected to the box body, and the locking spring is arranged on the limiting part. The guide groove is used for allowing the locking part to stretch in, a receding groove is formed in the side wall of the locking part, an unlocking inclined plane is arranged between the end face, away from the connecting part, of the locking part and the end face, provided with the receding groove, of the locking part, and when the receding gro