Lock body and door and window

The utility model provides a lock body and door and window, including base, lock tongue and drive mechanism, the first end of lock tongue is rotatingly connected with base, the second end of lock tongue is the free end, the drive mechanism with base sliding connection, drive mechanism with lock tongue transmission connection, the drive mechanism is equipped with the lock tongue, the drive mechanism is equipped with the lock tongue, and the drive mechanism is equipped with the lock tongue. The driving mechanism is used for driving the spring bolt to move to a first state or a second state relative to the base; when the spring bolt is in the first state, the free end of the spring bolt is accommodated in the base; when the spring bolt is in the second state, the free end of the spring bolt extends out of the base, and when the free end of the spring bolt is subjected to external torsion, the spring bolt is in a non-rotating state relative to the base; the door lock further comprises a fan body, and the lock bod