Types and Uses of Hinge
Understanding Hinges: Types, Uses, and Specifications
A hinge, also known as a “pivot hinge,” is a mechanical device used to connect two solid objects and allow them to rotate relative to each other.
Hinges can consist of movable components or flexible materials. While hinges are most commonly used on doors and windows, they are also frequently installed on furniture pieces like cabinets. Based on the material, hinges are primarily categorized into stainless steel hinges and iron hinges. To enhance the user experience, hydraulic hinges (also known as damping hinges) have been developed. These hinges offer a cushioning function when the cabinet door closes, significantly reducing the noise caused by door impacts.
Types of Hinges and Their Uses
Straight Bend Hinges
Used when the door covers the entire 18mm thick side panel of the cabinet (i.e., the door covers the side panel by 17mm).
- Standard hinge hole distance: 110mm.
- The internal depth of the side panel must be greater than 70mm.
- A straight bend hinge can only cover a side panel up to 17mm thick. Therefore, for 25mm or 35mm thick side panels, the door can only cover 17mm at most.
Medium Bend Hinges
Used when the door covers half of the 18mm thick side panel (i.e., the door covers the side panel by 8mm).
- Standard hinge hole distance: 110mm.
- The internal depth of the side panel must be greater than 70mm.
- A medium bend hinge can only cover a side panel up to 8mm thick.
Large Bend Hinges
Used when the door does not cover the cabinet side panel at all (i.e., the door does not cover the side panel).
- Standard hinge hole distance: 110mm.
- The internal depth of the side panel must be greater than 70mm.
- A large bend hinge has an inset effect relative to the side panel, making it suitable for side panels of various thicknesses.
165° Straight Bend Hinges
The 165° straight bend hinge functions similarly to the regular straight bend hinge but allows the door to open to a wider angle of 165°, compared to the 90° opening of a regular straight bend hinge.
- Standard hinge hole distance: 110mm.
- The internal depth of the side panel must be greater than 70mm.
- A 165° straight bend hinge can only cover a side panel up to 17mm thick, even for 25mm or 35mm thick side panels.
- Typically used for corner cabinet doors.
165° Large Bend Hinges The 165° large bend hinge works similarly to a regular large bend hinge but allows the door to open to 165° instead of 90°.
- Standard hinge hole distance: 110mm.
- The internal depth of the side panel must be greater than 70mm.
- A 165° large bend hinge offers an inset effect relative to the side panel, making it suitable for side panels of various thicknesses.
- The 165° hinge may also come with a half-cover design. If the installer omits the spacer, it functions as a 165° medium bend hinge.
- Commonly used for corner cabinet doors.
Note: Straight bend, medium bend, and large bend hinges are standard types that do not provide a cushioning effect during opening and closing. To add cushioning, a damper is required.
Hinge Specifications
Choosing the right hinge specification is essential for a successful installation. The most common hinge sizes available in the market are:
- 332.2mm
- 3.53.52.2mm
- 442.2mm
- 432.1mm
- 432.5mm
- 43.52.7mm
- 442.7mm
Key Components of a Hinge
- Main Body: Responsible for the door cover capacity.
- Base Plate: Functions to securely fix the door to the cabinet.
- Iron Pin: Primarily used to fix the door panel in place.