The anti-theft door lock can be safely installed in this way!

Security door is also called “anti-theft security door”. The anti-theft and security features of the security door are not only related to the door leaf, but also have a great relationship with the quality and installation of the anti-theft door lock. Although many anti-theft door lock merchants now provide on-site installation services, but for home security considerations, you can also understand the steps and details of the anti-theft door lock installation, you can see whether the installation master is professional.

Installation Steps

1. First of all, according to the installation size description of the security door lock body, such as the distance template, drill the lock body mounting hole on the security door, Prepare for installation;

2. Check if the hole of the lock is accurate, some friends install it themselves, should Follow the steps in the product installation instructions. If you find that the lock switch is not flexible or can not be opened after installation, you should consult the locksmith master in time;

3. The anti-theft door lock lock body is filled into the hole position, the fixing screw is installed, the screw and the connecting screw are installed on the outer panel component, the interlocking square rod is inserted into the square rod hole of the lock body, and the outer panel component handle square hole is aligned with the joint square rod hole , install the outer panel parts.

4. Install the inner panel parts and align the rear fastening screws. Insert the lock body from the inside to the outside into the lock body lock hole, and insert the screw from the lock body panel hole into the lock lock body mounting hole thread and tighten. Install a lock box or a lock plate on the door frame.

5. After the initial installation, turn the outer handle and inner handle to see if the oblique tongue can be smoothly retracted and extended. . Rotate the rear panel knob to feel whether the square tongue is smoothly retracted, and insert the key to rotate back and forth to feel whether the square tongue extends smoothly.

6. After tightening the assembly screws, repeat the action, and test several times. If the movements are not smooth, loosen the screws. Adjust the position until it is easy to unlock.

Check details

1. Security door lock opening must be strictly open hole drawing identification installation size Opening, opening size and positioning must be in accordance with the opening drawing standard. If the opening is too small, it will easily cause deformation of the door lock circuit board, resulting in the door lock not working properly after the installation is completed, resulting in various occurrences that should not occur. Phenomenon, care should be taken when opening the hole. It is not possible to open the hole or crack the door. If the opening is too large, the lock body will not cover the hole and seriously affect the overall appearance;

2. Always check the matching clearance between the lock body and the lock plate. The fit between the lock tongue and the lock plate hole is appropriate. The fit between the door and the door frame is preferably 1.5mm-2.5mm. If there is any change, adjust the position of the hinge or the lock plate on the door. The shrinkage and thermal expansion caused by the gas (wet spring, dry in winter) to ensure the clearance between the door and the door frame, the lock body and the lock plate is reasonable to ensure the smooth use of the lock.

After the anti-theft door lock is installed, it needs to be regularly maintained. The lubricant should be kept at the rotating part of the lock body to ensure smooth rotation. It is recommended to prevent theft for half a year or one year. Check the door lock and confirm that the fastening screws are loose.

(provided by Shenyang Building Materials Network) <


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