Novel sealing lock

The utility model discloses a novel sealing lock which comprises a lock casing and a lock body arranged in the lock casing. A mounting groove is arranged on the lock body. A spring and a locking block are arranged in the mounting groove. Through holes through which a cable passes are arranged on both sides of the mounting groove. The locking piece is cylindrical. Thread-shaped locking stripes are arranged on the outer peripheral surface of the locking block. Both end faces of the locking block protrude out to form two lugs. The cable is formed by twisting a number of steel wire ropes. Fixation rods are arranged on both ends of the cable. The fixation rods pass through the through hole on one side, bend the cable, and pass through the through hole on the other side. The spring pushes the locking block to abut the cable against the mounting groove, and enables the locking stripes to be engaged with the steel wire ropes. The novel sealing lock provided by the utility model has the advantages of good sealing effe