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.
Parts of a standard locking door latch.
While the shape and style of the external components can vary depending on the type of door knob or handle or whether you unlock the door with a traditional metal key your fingerprint or a card the internal components will always involve a spring latch or deadbolt secured with a box and strike plate.
The latch goes through the strike plate to form a secure lock or positive closure to the door.
The strike plate is the part of the lock that attaches to the door frame.
This piece is a simple metal part that you can screw to the door frame and is the easiest part of a lock to replace if it becomes damaged.
A locking doorknob features a locking.
Inside the lock cylinder the housing containing both the key entry assembly and the deadbolt knob are pins springs a cam and the tang.
The strike plate is where the lock attaches to the door frame to keep the door in position when you lock it.
The parts of the door lock that are not visible but that function to keep the lock working are known as the door lock mechanism.
Strike plates come in a variety of shapes and sizes.
Like your car s engine under the hood this is the internal body of the lock the unseen working mechanisms inside the door.
Depending on the lock you.
It s useful for any diy er to know how things around the home operate.
Sometimes called a rose the trim is a decorative plate attached to the door under the knob or lever.
Parts of a door lock.
The main parts of a door lock are the cylinder bolt box and strike plate.
Doorknobs have two handles one on each side of the door and are either locking or non locking.
The box is the part of the door frame where the bolt latches.
Latches hasps swing door hasps roll up door hardware and other accessories for janus porvene dbci wayne dalton trac rite roll rite and many other standard doors.
Understanding door lock parts.