Inside a car door to unlock the door the body controller supplies power to the door lock actuator for a timed interval.
How does a door handle mechanism work.
A standard doorknob lock set consists of a pair of knobs one on each side of the door that are connected through the door by a spindle and held together by mounting bolts.
How door handles work.
Inner working of a simple door handle mechanism and how to reverse the latch.
In this case a latch connects the door with its frame and tends to embody a sliding bolt installed in the door and a receptacle in the frame.
When the latch is down the outside door handle is disconnected from the mechanism so that it cannot be opened.
The latch bolt mechanism which converts the turning on the square into a movement that pulls pushes the latch in and out of the mechanism here s the view inside of a relatively basic one the metal bit at the top is the spindle as it turns it pulls the latch the triangle shaped bit sticking out on the left into the mechanism when pressure is released the spring pulls it back out.
When the actuator moves the latch up it connects the outside door handle to the opening mechanism.