Views: 0 Author: Site Editor Publish Time: 2023-02-22 Origin: Site
Modern door closer began with a patent registered by Americans in the early 20th century. Door closer achieves the cushioning effect by throttling the liquid in the door closer. The core of the design idea of door closer is to realize the control of the door closing process.
How to install door closer?
What are the requirements for using door closer?
How to maintain door closer?
How to install door closer?
Accurately measure the distance between the door closer and the screws of the support. The normal distance from the door frame to the first screw of the door closer base is 9 to 10cm. The distance from the top of the door to the screw hole is 1.5cm, and mark it with a pencil. Measure the punching position of the door frame in the same way. Install the door closer with screws. Install the fixed connecting base.
The door closer is installed on the pulling door and the support arm is installed on the door frame. This installation method is suitable for the installation of door closer with narrow door frame and insufficient space. This installation method of door closer is also applicable to the door opening direction without obstacles. When the door is opened to a large enough angle, the door closer will not hit external objects.
The door closer is installed on the pushing door and the support arm is installed on the door. It is applicable to the wide door frame with enough space to install the door closer. Compared with the standard installation, this method is suitable for obstacles such as walls in the direction of door opening. It has greater closing force and is suitable for larger and heavier doors.
Door closer must meet the national standard GB2698-2005, while fire door close must conform to the requirements of GA93-1995 test for fire door.
Whether door close is necessary to have automatic door stop function after opening the door.
The damping buffer is generated after the quick door opening to a certain position, and the damping buffer force and range can be adjusted according to the use requirements. Door close is used to prevent the door or lock from colliding with the wall when opening the door forcibly and quickly.
The door closes slowly at a constant speed from the maximum position of the door, and can be adjusted according to requirements. door closer is suitabler for use in places with frequent access and many people, especially in hospitals, doors and passages for the elderly, children and the disabled.
Door closer can adjust closing force. Door close can be installed on doors with a wide range of door weight and door width, and in places with large closing resistance due to environmental reasons.
When the newly installed door closer is used for about one week to 10 days, check all screws and retighten them.
The hydraulic oil recommended by the manufacturer shall be used. For cold areas, the hydraulic oil with low freezing point shall be used.
The door closer shall be inspected regularly after it is put into use. Whether the installation screws are loose and missing, whether the connecting arm of door closer collides with the door body or door frame, whether the door body is deformed and loose, whether the cushioning effect of closing the door is good, whether the supporting guide member leaks oil.
Jianlai Hardware (HK) Co., Ltd is one of the most powerful manufacturers in door hardware industry in China. We are specializing in designing and producing floor spring, patch fitting, door handle, glass door lock, door closer, shower hinge, and automatic sensor door.
