How to choose the old anti-theft door lock? What are the steps to replace the lock of the security door?

Because now many people will install an anti-theft door lock on their doors, which can ensure the safety of their homes and their own personal safety, but we must master some skills when choosing a door lock, so that we will not be so blind when shopping. Next, how to choose an old anti-theft door lock? What are the steps to replace the lock of the security door? Because now many people will install an anti-theft door lock on their doors, which can ensure the safety of their homes and their own personal safety. However, when we choose the door lock, we must master some skills so that we will not be so blind when shopping. Next, let's talk about how to choose the lock of the old security door. What are the steps to replace the lock of the security door? Let's refer to it together.

How to choose the old anti-theft door lock

1 Functions of anti-theft door locks: When selecting handle locks, efforts should be made to make the handle shapes of all functional door locks consistent, so as to make the room more harmonious.

2. Hinge of the security door: Pay attention to choosing a hinge with sufficient strength to avoid the door falling for a long time, affecting the unlocking and even breaking.

3. Door thickness: 35? 50mm combination ball lock, 35? 55mm mortise, 42mm mortise lock, 35? 55 marble door lock.

4. Be sure to choose a brand with quality assurance: Because brand manufacturers have after-sales service fire doors and windows all over the country, they will come to the door for maintenance free of charge during the warranty period.

5, the opening direction of the door: pay attention to buy a lock that is consistent with the opening direction of your door, because the handle lock is divided into left and right handles.

6. Distance: Choose fire doors and windows with door locks according to the door structure. There are two kinds of locking tongue: 60mm and 70mm. The locking tongue of 70mm is used for the door bone width above 100mm, and the locking tongue of 60mm is used for the door bone width below 100mm and above 90 mm. ..

What are the steps to replace the lock of the security door?

1. Prepare a Torx screwdriver. First, unscrew the screws on the handle panel with a Torx screwdriver. Then, unscrew the screw on the anti-theft device and take off the lock cap.

2. After the anti-theft door lock cap is removed, if the lock core cannot be removed, you can gently tap around the lock head with a hammer to remove the lock core.

3. After the old lock cylinder is removed, a new lock cylinder can be installed. First, insert the safety bolt, and then close the inner and outer handles. At this time, press the handle to align the screw holes of the inner and outer handles, and then tighten.

4. Finally, remember to insert the screw vertically to align it with the nut, then gently shake the screw by hand, and finally tighten it, which is basically completed.

Through the above introduction, I believe everyone already knows how to choose the anti-theft door lock. When we buy a brand, we must grasp the anti-theft door lock and some precautions, which are very critical. The quality of the anti-theft door lock can directly affect the future use. I hope the above introduction can help everyone.