Novel door and window limiting coded lock

The utility model discloses a novel door and window limiting coded lock which comprises a tailstock and a lock body, a lock rod is movably connected to the tailstock through a universal ball head, a lock groove where the lock rod can be embedded is formed in the lock body, at least one lock hole is formed in the lock rod, and the lock rod is movably connected with the lock body through a universal ball head. A lock tongue piece capable of movably penetrating into the lock groove and further being inserted into the lock hole is arranged in the lock body located on one side of the lock groove, a locking piece capable of locking the lock tongue piece to prevent the lock tongue piece from moving is arranged in the lock body, and a coded lock capable of locking the locking piece to move is arranged on the lock body. Compared with a traditional door and window safety lock, the door and window safety lock is more flexible, and the installation angle does not need to be demanded. According to the novel door and windo