LOCK, AND LOCKING DEVICE FOR SLIDING WINDOW OF HELICOPTER

The present invention relates to a lock, and a locking device for a sliding window of a helicopter, which belong to the technical field of sliding window locks. The locking device comprises a window body, a window frame, two sliding rails, a first lock and a second lock, wherein the first lock comprises a lock box assembly, a lock base assembly and a locking fit structure; the lock box assembly comprises a lock box and a lock hook arranged on the lock box; the lock base assembly comprises a lock base and a lock pin fixedly arranged on the lock base; and the locking fit structure comprises a first bevel part and a second bevel part. By means of the lock hook and the lock pin forming a locking fit, the present invention can achieve locking of the window body in a sliding open direction, so as to lock the window body in a closed position; in addition, by means of the abutting fit of the first bevel part and the second bevel part, the present invention can achieve locking of the window body perpendicular to the s