elevator landing door device BST T2210-T2A 2 panel side opening landing mechanism part

The doors installed on the elevator car are mainly responsible for closing the entrance of the car and moving with the car, while the floor doors located on each floor door opening are responsible for synchronously opening with the car doors when the elevator stops to allow passengers to enter and exit, and maintaining a closed state when the elevator is not stopped to maintain the safety of the elevator shaft. These two doors play a crucial role in the safe operation of the elevator. Landing door is mainly composed of hall door device, door frame, door panel, external unlocking device, and self closing device. 

Door frame: A door frame is a decorative structure installed around the hall door. It not only beautifies the appearance of the hall door, but also enhances the overall stability of the hall door. The material and color of the door frame are usually coordinated with the decoration style of the hall to enhance the overall aesthetics.

Door panel: The door panel is the main component of the hall door, usually made of materials such as solid wood, glass, metal, etc. Door panels made of different materials have different characteristics and styles, which can be selected according to actual needs and personal preferences 

External unlocking device: External unlocking device is a lock installed outside the hall door, used to open the hall door from the outside in emergency situations. This device usually has special safety features and operating methods to ensure that the hall door can be quickly and safely opened when needed

Self closing device: The self closing device is a device that automatically closes and locks the hall door after it is opened. This device can improve the security of the hall door and prevent unauthorized access. Meanwhile, it can also reduce energy waste and noise pollution.

Hall door sill: The hall door sill is a structure installed at the bottom of the hall door, which is used to support the hall door and prevent it from colliding with the ground when closed. The design and installation of the embankment must comply with safety standards to ensure the normal operation of the hall door and the safety of users.