Grace: 0086 139 6896 5675, Linda: 0086 139 5775 5360
0577-88983560
sales@lebohardware.com
Views: 231 Author: Site Editor Publish Time: 2022-07-19 Origin: Site
The door closer is a spring-like hydraulic device on the door head. When the door is opened, it can be compressed and released to automatically close the door. It acts like a spring door and can ensure that the door is opened accurately and timely to the initial position.
There are many styles of door closers, which can meet the needs of different commercial doors. The closer is very important for controlling the opening, with numerous functions and guaranteed safety.
Door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the most important of which is to make the door close by itself to limit the spread of fire and ventilation in the building.
Door closers can be simply divided into residential door closer and commercial door closer.
There are many types of door closers. According to the difference in device form, they can be divided into exterior door closer, concealed door closer, screen door closer, etc. It is generally installed on the outside of the door panel and is collectively referred to as an external door closer. The door closer is hidden in the door panel, collectively referred to as the hidden door closer. The door closers are buried underground and are collectively called floor spring door closer. The door closers are hidden in the upper door frame and are collectively referred to as sky hinges.
Nowadays, the most commonly used door closers in commercial buildings are modern door closers with or without cover. These door closers are mostly electric door closers and smart door closers. These door closers work in basically the same way. When the door is opened, the spring will bear the tension. Once the door is released, the closer spring releases the tension and closes the door.
It is understood that the conditions at the door opening may limit the types of door closers that can be used. Since modern door closers including adjusting door closer and overhead door closer are surface-mounted on the door or frame, they are flexible and easy to operate, so they are easy to adjust and maintain.
In addition, modern-style door closers also have a wide range of door closer options and functions, which makes them occupy a certain market. Installing concealed door closer can ensure that the whole decoration is more beautiful and coordinated. Because the door closer is installed on the floor, it saves more space.
In the design stage of the door closer, the following problems should be solved: the materials used may limit the position of hiding or installing the closer, so that the function of the closer may also be restricted.
Usually the instruction manual provided with the door closer has an installation template. So read the manual first, and determine the installation position according to the door opening direction, the size of the door closing force, and the installation dimensions between the door closer body, the connecting seat and the door hinge.
