A hinge is a component that connects two parts of an object and allows them to move, commonly used for connecting doors, windows, and furniture cabinet doors. The main function of hinges is to keep doors, windows, or cabinet doors open and closed, and to achieve object rotation through the design of a pivot shaft. There are many types of hinges, which can be divided into various types according to different purposes and needs, such as ordinary hinges, pipe hinges, bearing hinges, etc