How Does A Door Handle Mechanism Work

Inner working of a simple door handle mechanism and how to reverse the latch.

How does a door handle mechanism work.

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. 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. A door handle controls a door by manipulation of a latch a mechanical fastener that joins two or more objects together. The spindle runs through the latch bolt which is inside the door perpendicular to the spindle.

The latch bolt is connected to the latch which protrudes from the edge of the door and engages the door frame preventing the door from opening. When the latch is down the outside door handle is disconnected from the mechanism so that it cannot be opened. Inside a car door to unlock the door the body controller supplies power to the door lock actuator for a timed interval.