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Mortise lock

The mortise lock, also known as the mortise lock, is generally composed of a handle, a lock cylinder and a lock body. It is mostly installed on indoor suit doors and anti-theft doors, and is also one of the most common locks on the market.

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1. Classification of mortise locks

Single tongue mortise door lock, single tongue button mortise door lock, double tongue mortise door lock

2. Common application of mortise lock

The single square tongue mortise core door lock has only one square tongue, which is mainly used on the doors of stores, cinemas, hotels and other passageways with frequent access as well as the doors of hotels, office buildings and other passageways. It can be divided into single head lock and double head lock according to the number of locks. For single head locks, only one marble lock head is installed on the outdoor side of the lock body. The lock head side needs to be opened and locked with a key, and the lock is turned by turning the knob on the other side. Double head lock is to install a marble lock head on both indoor and outdoor sides of the lock body, and both sides need keys to open or lock.

3. Development history of mortise lock

This kind of door lock has only one bevel lock. This kind of lock is equipped with a handle. One side is equipped with a lock cylinder. The indoor side locks the door by the knob on the handle. In case of no lock, the lock can be opened indoor and outdoor by the handle, which only serves as a windproof function. When locked, the handle is locked and can't be moved. This kind of lock is often used on office doors or indoor doors.