Door and window hardware refers to the collective name of various metal and non-metal parts installed on the doors and windows of buildings. It plays an auxiliary role when the door and window are opened and closed. The surface is generally plated or coated to provide strength, durability, flexibility, economy, and aesthetics. So what is the "five" gold that the door and window hardware refers to?
Building door lock
Installed on the door leaf of the building that needs to be opened and closed (the entry "door" is provided by the industry encyclopedia) and the lock on the door frame. Generally, the lock body (including the lock door and window hardware, the operating mechanism and the brake mechanism) and the lock panel (the term "panel" is provided by the industry encyclopedia), the handle, the cover plate and the like. The locking tongue has a slanting tongue, a square tongue, a double tongue, a beading tongue, and a hook-shaped tongue. The locking panel has a flat mouth, a left tongue, a right tongue, and a round mouth. The handle has a spherical shape, a curved shape, and Pull the ring. Building door locks can be divided into large door locks, room door locks, bathroom door locks, windproof access door locks and toilet door locks according to the use occasions; according to the insurance performance can be divided into single insurance, double insurance and three insurance door locks, according to structural characteristics Divided into exterior door locks, mortise door locks and ball door locks.
1 Exterior door lock: The lock body covers the surface of the door leaf. The main products are single tongue single safety door lock, single tongue double safety door lock, single tongue three safety door lock, double tongue three safety door lock, double tongue double lock three safety door lock, multi-tongue double lock three safety door lock Wait.
2 mortise door lock: The lock body is embedded in the door leaf from the side of the door leaf. There are two kinds of blade structure and marble structure. The main products include sliding door mortise lock, single tongue mortise lock, single oblique tongue mortise lock, single oblique tongue button mortise lock, double tongue mortise lock, double tongue mortise lock, Blade handle door locks, etc.
3 spherical door lock: beautiful appearance, easy to use, mostly used in high-rise buildings.
Handle
Used to open and close metal sashes. Generally installed in the middle of the edge of the sash, and some are also designed to connect the bolt to the door and window hardware. It is made of brass, low carbon steel, zinc alloy, stainless steel and other materials, and the surface is plated with nickel, chromium or zinc.
Sliding support
Used to position the open metal sash. Generally installed on the lower edge of the sash, and some are also designed to be used with the hinge. It is made of brass, low carbon steel, zinc alloy, stainless steel and other materials, and the surface is plated with nickel, chromium or zinc. The varieties include eye support, arm support, rocking support, and mobile support.
Hinge
Also known as the hinge. It is the connection between the door and the door frame, the window and the window frame, which can make the door and the window rotate freely to open and close the door and window hardware. The hinge is formed by connecting the blade and the pin. The blades are stamped from low carbon steel and are free to rotate around the pin. The pin is made of low carbon cold drawn wire or spring wire. The hinged varieties have common hinges, spring hinges and hinged hinges.
door closer
An appliance that automatically closes or secures an open door leaf to a location. Some have the function of hinges, and some have fire resistance. The main varieties are floor springs, door springs, door slingshots, door trimmers, door clamps, magnetic door tips and so on.
1 floor spring: also known as the earth dragon. The device is located at the lower part of the door and window. It is made of gray cast iron, carbon steel, spring steel, cast steel, etc., and is assembled.
2 door top spring: an automatic door closing device that closes the door leaf by the spring force of a spring or a spiral spring. A buffer cylinder is installed inside to reduce the closing speed.
3-door slingshot: It is made of low-carbon steel strip and is equipped with a low-carbon cold-drawn steel ram to close the door with elastic force.
4 door opener: a brake door and a simple positioner to avoid the door and the wall collide. Installed in the outer lower corner of the door leaf, the door leaf can be positioned at any angle.
5-door chuck: A device that secures the door leaf. It consists of a knife-shaped base and a triangular steel collet. There are two types, horizontal and vertical. The base is cast in grey cast iron; the chuck is made of spring steel and the surface is treated with blue.
6 magnetic door suction head: the same function as the door clamp door and window hardware, the door is fixed by the suction force of the permanent magnet, and there is no noise when used.
Handle
Installed on the door leaf of the building to pull the door leaf. The general device is external to the door leaf of the building and requires practical, sturdy and decorative functions. The handle has various shapes such as a round handle, a square handle, a round handle, and a double row of handles. Generally made of low carbon steel, stainless steel, aluminum alloy, plexiglass.
Latch
Used to latch the door and window when the door and window are closed. There are common types, closed type, tube type, butterfly type bolts and dark bolts, upper and lower long bolts, and window latches. Made of low carbon steel.
Window hook
Installed on a wooden window to secure the opening sash. It is usually made of low carbon steel wire and is galvanized on the surface.
Anti-theft chain
Also known as the safety chain. It consists of two chain plates and one connecting chain. The chain plates are respectively mounted on the door leaf and the door frame. The anti-theft chain can limit the door leaf to a small opening angle (generally no more than 8°), effectively preventing outsiders from entering.
Induction door opening device
Electronic device for automatic opening of the door leaf. The main components are microwave-induced or light-controlled inductive contacts. It can automatically input the sensing signal of the human body or object, so that the door leaf can be automatically turned on or off. Generally used with automatic doors and transmission machinery.
