Can I change the lock core of the security door? How to change the lock core of the security door?

The use of security doors in houses has a good anti-theft effect and can protect the safety of family life and property. As a security barrier, the security door must be inspected to avoid problems affecting the use of the security door. The use of security doors in houses has a good anti-theft effect and can protect the safety of family life and property. As a security barrier, the security door must be inspected to avoid problems affecting the use of the security door. The lock core of the security door has been used for a long time, so some problems will inevitably occur and need to be replaced. The average owner will not replace the security door, but will choose to replace it himself. Replacing the lock core by yourself is not more convenient than finding a professional lock replacement company, and it needs to be replaced step by step. Of course, some owners think that the lock core of the security door cannot be replaced. Then, can I change the lock core of the security door? How to change the lock core of the security door?

Can I change the lock core of the security door?

1, the function of the door is beautiful and burglarproof, and the switch is flexible. As long as the anti-theft of the door reaches a certain level (quality), it has anti-theft function. Generally, most of the current thefts are started by technology, and the damage caused by opening is relatively small, so it usually starts with locks. It is inevitable that the lock core will have some minor problems after being used for a long time. We still have to replace it, but we usually find a professional lock changing company to change the lock. If the technology is good, we can also change it ourselves.

2. If there is something wrong with the security door, you can still change the lock cylinder. I suggest you buy a lock cylinder of the same model in the shop of your security door manufacturer (it must be the same model, otherwise it is not suitable), and then find a carpenter to replace it for you, or ask a property master to replace it for you. If you take care of it, you can pull out the key. It will be more troublesome if you change it yourself. You can try it yourself!

3. Replace the lock core of the security door. Pay attention to the size of the lock core of the door. After measuring, buy a lock core of the same size for replacement. If the size is not ready, the newly bought lock cylinder will not fit, which is a very troublesome thing.

4. If you are looking for someone else to change the lock core, for safety reasons, avoid others hiding the key, and be sure to pay more attention when changing the lock. However, most people don't. Just remind everyone to pay more attention to all aspects of details and safety.

5. When buying lock cores, there are many kinds. Everyone must buy a lock core with better anti-theft performance. Because the function of tinfoil unlocking is too powerful now, for the sake of safety, you'd better buy a better lock core.

How to change the lock core of security door

1. Prepare some corresponding tools: a Torx screwdriver with corresponding size, a new lock core with matching size, and a hammer. Then we have to unscrew the two screws on the upper and lower sides of the hand panel with a plum blossom screwdriver. Unscrew the screws on both sides of the lock cylinder anti-theft sleeve, and then remove the lock cap. (Note: Do not tighten the two screws too tightly when installing, and press the anti-theft shell with your hand to feel active. )

2. Remove the lock cylinder anti-theft sleeve. (Note: Use the same method when installing. When you remove the lock core, but you can't pull it out by hand after unscrewing the screw, we will tap it gently around the lock head with a hammer until the old lock core is taken out.

3. At this point, the lock cylinder will be completely disassembled. Now, we must start to install a new lock cylinder. First, insert the safety bolt, and then start to close the inner and outer handles. When closing, find someone to hold the outer handle, which is helpful for your operation. Before screwing the screws, make sure that the screw holes of the inner and outer handles are aligned.

4. When inserting the screw, it must be inserted vertically. If it is not aligned with the nut inside, gently shake the screw with your fingers, because the screw head is very sharp and feels good, which can help you align it quickly. If this step is successfully completed, we have completed the basic step-by-step operation of changing the lock core. At this time, carefully check whether the door lock can be used normally.

Is that so? Can I change the lock core of the security door? How to change the lock core of the security door? Specific introduction. The quality of the security door lock is directly related to the safety of family members, which requires careful handling when installing and replacing it. Of course, if you can change it yourself, it's no problem. But if you are not sure about changing the lock core, it is better to find a professional locksmith to change it.