Understanding Door Hinge Mechanisms: Types, Functionality, and Maintenance
Door hinges are often neglected parts in the architecture of buildings, yet they play an important role in the performance and aesthetic appeal of doors. These mechanical devices enable the smooth operation of doors, enabling them to swing open and shut easily. This article provides a thorough exploration of door hinge mechanisms, including their types, functionality, and maintenance tips.
What is a Door Hinge?
A door hinge is a mechanical device that connects a door to a frame, enabling it to pivot and swing open or closed. It consists of two plates, known as leaves, which are connected to the door and the door frame. Usually, a pin runs through the leaves, allowing for smooth rotation.
Kinds Of Door Hinges
Comprehending the various types of door hinges is essential for choosing the right one for a specific application. Here is a thorough list of typical hinge types:

Butt Hinge:
Most typical type used in domestic and business doors.Consists of two rectangular leaves, with one connected to the door and the other to the frame.
Constant Hinge (Piano Hinge):
Runs the entire length of the door.Offers increased strength and stability, typically utilized in heavy doors and cabinets.
Hidden Hinge:
Designed to be hidden when the door is closed.Typically used in cabinets and modern designs for a tidy appearance.
Spring Hinge:
Contains a spring mechanism that instantly returns the door to the closed position.Frequently used in washroom doors or fire doors.
Pivot Hinge:
Allows the door to pivot from a single point, generally at the top and bottom of the door.Typically utilized in decorative or heavy doors.
Strap Hinge:
Long and narrow design, generally utilized for gates, barn doors, and heavy doors.Offers additional assistance due to its length.
Hybrid Hinge:
Combines components of different hinge types.Utilized for specialized applications needing special functions.Table 1: Comparison of Different Types of Door HingesKind of HingeDescriptionCommon UsesBenefitsButt HingeRectangle-shaped leavesResidential &amp