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Detailed introduction to the types of doors and windows hinges
Introduction: There are countless accessories for doors and windows, and among them, hinges are essential. Today, let's delve deeper into the world of hinges together.
Hinges are widely known as furniture fittings that connect two parts of a piece of furniture while allowing them to move. Technically speaking, they are typically metal pieces designed to facilitate the rotation of one part relative to another. Commonly referred to as "hinges," these devices allow for the smooth opening and closing of doors, covers, and other movable components.
1. Types of Hinges
There are numerous types of hinges available, each serving different purposes:
Ordinary Hinges: These are standard hinges used for cabinets, windows, and doors. They are made from materials like iron, copper, and stainless steel. However, they lack the functionality of spring hinges. After installation, additional stops may need to be added to prevent the door from swinging in the wind.
Pipe Hinges: Also called spring hinges, these are primarily used for connecting furniture door panels. They require a panel thickness of around 16 to 20 mm. Made from galvanized iron or zinc alloy, these hinges come with adjustment screws that allow for vertical and horizontal adjustments. One of their standout features is the ability to adjust the opening angle of cabinet doors based on the available space. Options include standard 90-degree angles, as well as 127-degree, 144-degree, and 165-degree angles, ensuring versatility for various applications.
Door Hinges: Divided into ordinary and bearing types, the latter can further be categorized into copper and stainless steel varieties. Currently, copper bearing hinges are more popular due to their aesthetic appeal, brightness, reasonable pricing, and inclusion of screws.
Bearing Hinges (Copper): Each hinge features a one-way thrust ball bearing in the shaft, making door operation smooth and lightweight. They are ideal for heavy-duty doors or special steel frame doors. Inclined Surface Removal Hinges: Utilizing the beveled surface of the hinge and the weight of the door leaf, these hinges automatically close the door. They are best suited for lighter wooden doors or half-section doors like those found in bathrooms.
Cold Storage Door Hinges: These are coated with baked paint, with larger sizes made of steel plate and smaller sizes made of cast iron. They are used on cold storage doors or insulated doors requiring extra durability.
Fan Hinges: With a stacking thickness about half that of regular hinges, these are perfect for doors and windows requiring rotational movement and frequent opening/closing.
Silent Hinges: Also known as nylon washer hinges, these provide a noise-free experience when opening and closing doors and windows. They are commonly used in public buildings.
Single Flag Hinges: Made of stainless steel, these hinges are rust-resistant, wear-resistant, and easy to disassemble. They are frequently used on double-glazed windows.
Flip Window Hinges: During installation, the two pages with spindles are mounted on the window frame, while the two pages without spindles are attached to the window sash. A slotless spindle negative plate is installed on the side of the slotted sash for window sash loading and unloading. These are used on movable windows in factories, warehouses, residential buildings, and public buildings.
Multi-function Hinges: When the opening angle is less than 75°, they feature an automatic closing mechanism. At angles between 75° and 90°, they remain stable, and when the angle exceeds 95°, they automatically lock in place. This type of hinge can replace a standard hinge on doors.
Anti-theft Hinges: Unlike ordinary hinges where the door leaf can be easily removed by pulling out the shaft, anti-theft hinges prevent this by using self-locking pins and pinholes on both hinge sheets. This ensures the door cannot be removed, providing an effective防盗function. These are suitable for residential doors.
Spring Hinges: These automatically close the door after it is opened. Single-spring hinges can only open in one direction, whereas double-spring hinges can open in both directions. They are commonly used on public building gates.
Double-Axis Hinges: These allow the door leaf to be opened, closed, and removed freely. They are suitable for general doors and windows.
2. Introduction to Door Hinges
A hinge is a mechanical device used to connect two solid objects and allow relative rotation between them. Composed of a movable assembly or foldable material, hinges play a crucial role in furniture hardware accessories. The quality of hinges directly affects the usability of furniture and doors.
Based on base type, hinges can be classified as either detachable or fixed. By arm body type, they can be categorized as slide-in or card type. Depending on the door panel coverage, they are classified as full cover (straight bend, straight arm), half cover (middle bend, curved arm), and inner (big bend, big bend) door panels. By developmental stage, hinges are divided into one-stage force hinges, two-stage force hinges, hydraulic cushion hinges, touch self-opening hinges, etc. Based on the door opening angle, hinges can open anywhere from 95 to 110 degrees, with special options at 25, 30, 45, 135, 165, and 180 degrees. According to hinge type, there are ordinary first and second-stage force hinges, short arm hinges, 26 cup mini hinges, bullet hinges, aluminum frame door hinges, special angle hinges, glass hinges, rebound hinges, American hinges, damping hinges, thick door hinges, etc.
By usage occasion, hinges can be categorized as general hinges, spring hinges, door hinges, mechanical and electromechanical cabinet hinges, heavy-duty hinges, special hinges, and others including countertop hinges, door hinges, and glass hinges.
General hinges, also known as standard hinges, are used for cabinet doors, windows, and doors. They can be made of iron, copper, or stainless steel. Their downside is the lack of spring functionality. After installation, stoppers are often required to prevent wind from blowing the door panel. Special hinges like stripping hinges, flag hinges, and H hinges can be disassembled and installed as per specific requirements.
Spring hinges are mainly used for cabinet doors and wardrobe doors. They typically require a board thickness of 18 to 20 mm. Material-wise, they can be galvanized iron or zinc alloy. Functionally, they can be drilled or non-drilled. Non-drilled hinges, or bridge hinges, resemble a bridge and are unrestricted by door style. Drilled hinges are commonly used on cabinet doors, offering door style flexibility, preventing wind-induced door swings, and eliminating the need for additional stoppers.
Door hinges are divided into ordinary and bearing types, with the latter further divided into copper and stainless steel varieties. Copper bearing hinges dominate the market due to their aesthetics, brightness, moderate pricing, and screw inclusion.
Mechanical and electromechanical cabinet hinges include nylon hinges with high wear resistance, corrosion-resistant zinc alloy hinges, and stainless steel hinges resistant to corrosion and oxidation. These are often used in electromechanical cabinet doors and machinery operating boxes.
Heavy-duty hinges, due to their unique installation positions, demand high-quality hinges. Sizes typically exceed 150mm, with strong load-bearing capabilities and designs tailored to cabinet door structures. They are commonly used in refrigerator and freezer doors, mostly made of zinc alloy.
Special hinges, or corner hinges, have a large opening angle and are widely used in daily life.
Other hinges include countertop hinges, door hinges, and glass hinges. Glass hinges are used for frameless glass cabinet doors, requiring glass thicknesses of no more than 5-6mm. These hinges possess all the properties of spring hinges, excluding magnetic suction and upper/lower top-mount types like Pepsi and magnetic glass hinges.
In conclusion, hinges play a critical role in our daily lives, whether in homes or public spaces. Understanding the different types of hinges helps us choose the right ones for specific needs.