A self-closing pivot hinge is a type of hardware that allows a door to rotate on a vertical axis, and also includes a mechanism that automatically returns the door to its closed position. 🚪 Unlike a traditional butt hinge, which is attached to the side of the door and the frame, a pivot hinge is installed at the top and bottom of the door, and on the head of the frame and the floor. This design allows the door to swing freely in one or both directions and can support very heavy or oversized doors.
How They Work
The self-closing feature is typically achieved through one of two main mechanisms:
Spring-loaded hinges: These hinges use an internal spring to provide the force needed to close the door. The tension of the spring can often be adjusted to control the closing speed.
Hydraulic hinges: These systems use a hydraulic fluid to control the door’s movement. When the door is opened, the fluid is pushed through small channels, creating resistance that provides a smooth, controlled motion. When the door is released, the fluid flows back, causing the door to close gently. This mechanism often includes features like soft-close to prevent slamming and back-check to protect the door and surrounding walls from damage.
Common Uses and Benefits
Self-closing pivot hinges are particularly popular for:
- High-traffic areas: Their ability to swing in both directions and automatically close makes them ideal for commercial settings like restaurants and hotels, allowing people to pass through easily, even with their hands full.
- Aesthetic appeal: The hinges are often recessed into the door and floor, making them virtually invisible when the door is closed. This creates a clean, minimalist look.
- Supporting heavy doors: By transferring the door’s weight to the floor rather than the door frame, pivot hinges can support doors that are much larger and heavier than those used with traditional hinges.
Based on the above summery, there are 2 self-closed Pivot hinge 1) Hydraulic Pivot hinge 2)Floor springe; Floor spring is the most common one you see; Current,the Hydraulic self-close pivot hinge gets more and more popular . It is easy to install and it is easy to maintain.
To see a self-closing pivot hinge in action, watch this Video of a double acting, self closing door. This video demonstrates how a self-closing pivot hinge allows a door to be easily pushed open and automatically return to a closed position without the use of a handle.