Plain type door and window anti -theft lock structure

The utility model relates to a plain type door and window anti -theft lock structure. Main solve current pickproof lock exist with high costs, the structure is complicated and the poor technical problem of theftproof effect. Including the interior window portal, exterior window portal and locking means, locking means includes the locating rack, the lock piece, the locating rack includes the fixedpart, location portion and operating portion, the fixed part is equipped with the jack, location portion is the open tubular structure of opening, interior window portal and exterior window portal areequipped with first locating hole and second locating hole, location portion insert in the first locating hole and with the spacing cooperation of interior window portal, location portion is less than or equal to the length of first locating hole, the lock piece passes location portion through the jack and inserts and constitute interior window portal and the spacing cooperation of exterior window portal in the second loc