Different parts of a lock the lock itself will also have a number of common components.
The name of the lock part inside the door.
Bolt or dead latch this is the part of the lock that inserts into the mortise to secure the door.
Handing is a term used to indicate how a door swings.
Door handle or door knob parts in addition to the keypad or scanner on an electronic lock can be considered external while the internal parts are composed of everything hidden inside the door and everything behind the key slot.
Furniture the additional items needed which are screwed to one or both sides of the door to enable a lock or latch to be manually.
The lock prevents the spindle of the bolting mechanism from retracting from the door frame making it impossible to open the door.
A key is required to open the door from the exterior side of the door.
Forend that part of the lock or latch through which the bolt s protrude and by which the lock or latch is fixed to the door.
The hinge style is where the hinges are attached to.
Every door lock has both internal and external components.
Key used to align the pins with the tumblers to allow the barrel to rotate and release the lock.
If you need a new lock because you lost the key to the door you may opt for re keying the cylinder rather than replacing it.
The lock cylinder is the meat of the door lock.
The main parts of a door lock are the cylinder bolt box and strike plate.
There are many different types of strike plates.
The cylinder is the part that contains the code for the key and determines whether the door locks and unlocks.
The frame is built into the wall.
The frame to which the door is attached to via hinges.
On doorknobs that have a lock it is employed by a small lever or push button on the interior handle.
Secures door to frame while enabling a swinging motion.
A right handed lever has the door hinges located on the right side of the door as you look at it from the outside.
Flush bolt a door bolt which can be recessed flush into the edge or face of a door.
The lock style is where the lock and knob is placed.
The sides of the door.
The key is also an important part of the lock since it is required for the lock to function.
The rose insert connects between the inside knob and the door.
It s useful for any diy er to know how things around the home operate.
The strike plate connects to the door frame and it is lined up with the dead latch.
Understanding door lock parts.
Horizontal top and bottom parts of the door.
A left handed lever has the door hinges located on the left side as you look at the door s exterior.
Lock the internal component of the lock consisting of the tumblers pins and barrel.
Each type of lock is built differently but let s take a look at the anatomy of a typical door lock usually used in homes or light commercial buildings.