Door knob
Double-sided push door handle
The door handle is a door accessory for its manual opening, which is one of the necessary elements of the door hardware . The main function of the door handle (both entrance and interior doors) is the control of the lock and the door . Doors, as a rule, have two handles - one on each side.
Functionality
By functionality, they are distinguished:
- Movable or folovye handles. They are connected with a falev latch or lock that controls a slanting crossbar . Subdivided into:
- rotary knobs (from the English. "Knob" - ball, knob);
- push , setting in motion the lock mechanism when you press the lever .
- Stationary pens. Not connected to the door lock and deadbolt and usually fixed. The most common stationary handle is the door / furniture handle-bracket. Stationary door handles must be used when using electric strikes in access control systems .
Types
- The handle-clamp is only suitable for doors with a lock without a latch;
- The handle fal is used for entrance apartment and interroom doors;
- The rotary knob is suitable for entrance and interior doors;
- The deaf handle-button is good for interior doors;
- Sliding door handle for sliding doors and glass sliding systems.
Installation
There are two types of door handles according to the method of installation:
- Overhead , attached to the surface of the door.
- Mortise , which require a cutout in the door leaf.
Door handles in cars
In all mechanical automobile doors without automatics there are also handles. They are divided into several types:
Exterior
- Classic (currently unused)
- Push-button, mechanical: (the problem of pressing the button is also almost extruded it from the conveyors, but it was preserved on Jeep cars)
- Push Up: Just disappearing view.
- Pull: (The most popular type of door handle today).
- Loop: The second most popular today.
Internal
- Hook on yourself.
- Lever up or down.
See also
- Door frame
- Door furniture
- Door hinges
- Mechanical door closer