What kind of door closer is installed on the security door

In fact, depending on your choice, what you have now is probably exterior, door-bottom, and inline.

The exterior door closes slowly and quietly.

The bottom door type is not only quiet, but also can adjust the closing speed.

The in-line type is the most discreet and does not affect the appearance.

Depending on what kind of security door you are, at home, it's up to you to choose, or you can go to the seller to find out.

The anti-theft door can be installed with a door closer, find a good angle, it is best to use a long bolt through the door body and fix the door closer, so that the door will not be broken.

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Usually there is an installation model in the instruction manual provided with the door closer, so read the manual first, and determine the installation position according to the direction of opening the door, the size of the closing force and the installation size between the door closer body, the connecting seat and the door hinge. 2) According to the requirement of the size of the closing force, the closing force can be changed by reversing the connecting seat by 180° or changing the connection position between the connecting rod and the connecting seat. The greater the distance between the adjusting connecting rod and the center line of the door hinge, the smaller the closing force of the door closer, and vice versa.

3) According to the position indication on the installation template, determine the position of the installation screw, and then drill and tap. 4) Install the door closer body with screws. 5) Install the fixed connector.

6) Install the driver board with screws. 7) Adjust the adjustment rod to 90° with the door frame, and then connect the connecting rod with the drive plate. 8) Don't forget to install a plastic cover, which can be used to catch the leaking hydraulic oil from the door closer.

9) After installation, check whether the fixing screws are tightened, and there should be no loose or unstable phenomenon. Open the door to the maximum opening position and check that the hinged arm of the door closer does not touch or rub against the door or door frame. Closing speed of the door closer10) Adjust the closing speed of the door closer as needed.

Usually the door closer has 2 speed regulating (throttle spool) screws. The upper adjustment screw is the first stage closing speed adjustment screw, and the lower adjustment screw is the second stage (usually 10o) closing speed adjustment screw.

The anti-theft door is heavier, to install hydraulic, what model to buy to see the width and weight of the door, the domestic one can be done for less than 100 yuan, and the imported one is more expensive.

Security doors are mostly used in homes, and if the door closer is exposed to the outside, it will affect the aesthetics.

It is recommended to use a concealed type for more aesthetics.

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