240B- Reentrantlock

Lock key, lock cylinder, lock body, said lock body is provided with a lock panel, the lock panel is open with a tongue hole and a bolt post hole, the lock body is installed with a lock cylinder in the front of the lock cylinder hole, the lock body is installed with a combination disc, a combination disc opener, an opening door puller cam group, a tongue, an anti-locking latch, the combination disc is connected to the lock cylinder drive, the combination disc and the anti-locking pin are connected, the combination disc opener is installed fixedly on the upper part of the lock body, and a cylinder is installed at the lower side of the combination disc opener. There is a column inserted into the combination disc, one end of the tongue is connected with a rotating door opener cam group, the door opener cam group is connected with three integrated latch columns, the front end of the lock key is inserted into the lock key hole of the lock core, the lock key is inserted into the unlocking latch, the middle of the lock core is connected with a positioning cross, there is a gear on the outside of the positioning cross, the positioning cross and the two sections of the lock core are mounted with a card spring between the two sections of the lock core, and there is a lock core popper and spring at the bottom of the lock core on one side. There are lock cylinder spring and spring at the bottom side of the lock cylinder. It has the advantages of reasonable structure and high security.