What Is A Butterfly Hinge?

Butterfly hinge is a hinge used for furniture or building components such as doors, windows, screens, cabinets, etc., and is named because its shape resembles the opening and closing of butterfly wings.

1. Basic characteristics
Shape: It is divided into one piece on the left and right or one piece on the top and bottom, which resembles the opening and closing of butterfly wings.
Material: It is usually made of iron or copper, and also has materials such as zinc alloy, with high hardness and corrosion resistance.
Function: It can realize the rotation opening and closing of doors, windows, screens, cabinets and other components, and provide flexible opening methods.
2. Types and applications
Ordinary butterfly hinge: It is used for doors, windows, screens, cabinets, etc., and provides basic opening and closing functions.
The material is mostly iron or copper, with a simple structure and easy installation.
Screen window butterfly hinge: It is also called screen window hinge, which is mainly used for light screen windows and wooden doors such as toilets.
There are open spring type and hidden spring type, which can be selected according to needs.
Special purpose butterfly hinge:
Folding table butterfly hinge: It is used for old-fashioned folding tables to realize the functions of square and round dual-purpose, simple operation, and the hinge can be retracted when it is flat.
Automobile butterfly door hinge: butterfly door design for high-end cars, such as Lamborghini, McLaren and other supercars, the door opens forward and upward through the hinge, resembling the wings of a butterfly.
3. Installation and adjustment
Installation requirements: During installation, ensure that the door panel and side panel are tilted 45 degrees to the front, the angle is 90 degrees when closed, and the maximum opening angle can reach 135 degrees.
Adjustment function: There are two adjustment screws in the hinge back support, which are used to adjust the front and back and up and down positions respectively to ensure the installation accuracy and comfort of the door panel.
4. Advantages and characteristics
Aesthetics: The shape is similar to butterfly wings, with an elegant appearance, suitable for furniture and buildings of various styles.
Flexibility: Provides a larger opening and closing angle to meet different usage needs.
Durability: Made of iron, copper or zinc alloy, it has high hardness and corrosion resistance and a long service life.