In an office environment, users can easily move file cabinets and quickly lock their positions to prevent them from sliding; in commercial displays, display racks can be adjusted in height as needed and remain stable to attract customers' attention. In the home, hangers and storage cabinets with movable wheel brakes can be freely adjusted to ensure stability; in the medical environment, the design of mobile medical equipment can also ensure easy movement and stable fixation in different wards. These application scenarios show the widespread use of latches.