News

  • Door closer use problems and basic maintenance

    Door closer use problems and basic maintenance 1. The newly installed door closers are used for one week to about 10 days. All screws should be inspected and retightened. 2. Use the hydraulic oil recommended by the manufacturer. For cold areas, use low-condensation hydraulic oil. 3. The door closer should be inspected regularly after it is put into use. The contents of the inspection are: Whether the mounting screws are loose or lost, whether the connecting arm rubs against the door body or the door frame, whether the door body is deformed or loosened, the buffering effect of closing the door, and whether the supporting guide is leaking oil or the like. Usually the following problems occur after the door…
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  • How is the in-line door closer installed?

    Inline door closer (1) Construction: The in-line door top spring is composed of a hydraulic buffer spring mounted on the door leaf, a slide rail and a slider mounted on the door frame, and a link. Since the in-line door closer is installed in the groove of the door leaf and the door frame, the appearance of the door is not affected when the door is closed. It is suitable for use on the doors of upscale hotel rooms. (2) Principle: The hydraulic buffer spring gives the link a recovery torque, which causes the link to rotate away from the hinge, thereby driving the slider to move away from the hinge at the same time in the slide to achieve…
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  • Installation steps for exterior door closers

    Installation steps for exterior door closers 1. Exterior door closer The external door closer is equipped with a hydraulic buffer pump unit that automatically closes the door when it is opened. Its main feature is that the door is slower when it is closed, and there is no collision sound after closing. It can be used on the gates of schools, hospitals, office buildings and hotels. (1) Installation steps Step 1: Install the body The door closer can only be installed on the upper part of the door leaf near the hinge side. There is no end of the speed adjustment screw on the body, facing the hinge. Otherwise, the door will not open. If it is forcibly opened, the…
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  • How To Adjust The Closing Force Of The Door Closer?

    Adjusting the closing force of the door closer is also adjusting the closing speed. When the power is large, the speed is fast, and when the power is small, the closing speed of the door closer is slow. The door closer adjusts the closing speed by independently controlling the closing speed of the two-stage door closer through two hydraulic valves for full-stage hydraulic control. How does the door closer adjust the closing force? step one: The door closer can only be installed on the upper part of the door leaf near the hinge side. There is no end of the speed control screw on the body, facing the hinge. Otherwise, the door will not open. If it is forcibly opened,…
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  • Learn about double spring door closers

    Door closer introduction: The double spring door closer is a spring-like hydraulic device on the door. When the door is opened, it can be released by compression, and the door is automatically closed. It has the function of a spring door to ensure accurate and timely closing of the door after it is opened. initial position. Door closer application: Double spring door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the main use of which is to close the door itself to limit the spread of fire and ventilation in the building. The significance of the door closer is not only the automatic closing of the door, but…
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  • How to install the door closer

    Door closer installation method: 1. Standard installation: The door closer body is installed on the side of the sliding door, and the arm is mounted on the door frame. This type of installation is suitable for narrower door frames and there is not enough space to install the door closer. This type of installation is also suitable for the door opening direction without the obstacle opening to a sufficient angle, the door closer will not hit the foreign object. 2. Installation of the upper door frame: The door closer is installed on the side of the push door, and the arm is mounted on the door. This type of mounting is suitable for wide door frames and plenty of room…
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  • Door closer use requirements

    1. See if you need to open the door after the door is opened automatically. 2.buffer function - quickly open the door to a certain position after the generation of resistance buffer, and the resistance buffer force and range can be adjusted according to the use of the requirements; this function is used to prevent the door or lock from hitting the wall when the door is opened quickly, or to prevent when emergency escape When people open the door quickly, they lose weight and lean forward to the ground. 3. Delayed closing function——The door is closed slowly from the maximum position of the door opening, and can be adjusted steplessly according to the requirements. It is suitable for use…
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  • How should we choose a door closer?

    The significance of the door closer is not only the automatic closing of the door, but also the protection of the door frame and the door body (smooth closing). More importantly, the door closer has become an indispensable part of the intelligent management of modern buildings. 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 close the door itself to limit the spread of fire and ventilation in the building. The types of door closers can be divided into: external and in-line door closers, in-door door closers, door bottom door closers (ground springs), vertical door closers (built-in vertical doors) Doors) and…
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  • Introduction to the hidden door closer

    Door closer introduction: The double spring door closer is a spring-like hydraulic device on the door. When the door is opened, it can be released by compression, and the door is automatically closed. It has the function of a spring door to ensure accurate and timely closing of the door after it is opened. initial position. Door closer application: Double spring door closers are mainly used in commercial and public buildings, but they are also used at home. They have many uses, the main use of which is to close the door itself to limit the spread of fire and ventilation in the building. The significance of the door closer is not only the automatic closing of the door, but…
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  • Do You Know Where The Door Closer Is Used?

    There are a wide range of door closer applications, but many people outside the circle don't understand: What is a door closer? What is it used for? Under what circumstances should I use it? Door closers (which have become an integral part of modern building intelligent management) are really important.If you want to know more about door closer, or other related automatic door closer , automatic sliding door closer, you can contact us. What is a door closer? The door closer is a spring-like hydraulic device on the door. When the door is opened, it can be released by compression, and the door is automatically closed. It has the function of a spring door to ensure accurate and timely closing…
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