How to replace the lock body of the security door? Steps to replace the lock body of the anti theft

The security door has been regarded as a must-have furniture in the family now. It is rugged and reliable, making it the first line of defense for home security. However, the security door at home is sometimes broken, or the key is taken away by others, etc., in the case of security door locks, everyone needs to replace the lock body of the security door.

So how to replace the door lock of the security door? Today I'm going to explain it to you.

When replacing an anti-theft door lock, the first thing you need to pay attention to is the size of the lock cylinder. Measure the size of the lock cylinder before purchasing it. If you get the wrong size, the newly bought lock cylinder cannot be installed, which is also a very troublesome thing.

Secondly, when buying a lock cylinder, you must choose a lock cylinder with better anti-theft performance. Nowadays, the tin foil unlocking technology is very powerful, and for the sake of safety, it is still necessary to buy a good lock cylinder.

After purchasing the lock cylinder, it is time to change the lock. Start by preparing the tool: a Phillips screwdriver, and then proceed with the following steps:

1.Remove the two handle panels inside and outside: screw on the handle panel in the house, one on the top and one on the bottom;

2.Remove the inner and outer lock cylinder caps: The screws are on the lock cylinder caps in the house, which are the left and right sides of the key;

3.Dismantle the lock cylinder screw: The screw is on the side of the door, in the middle of the deadbolt, at the same height as the lock cylinder, which is the thickest screw;

4.Remove the anti-theft sleeve of the lock cylinder;

5.Remove the old lock cylinder, the new lock cylinder is the same, and you can replace it at this time;

6.Install the handle after installing the lock cylinder anti-theft shell;

7.Install and close the inner and outer handles, and the outer handles should be held down;

8.Adjust the inner and outer handles, the screw holes should be aligned with the nut on that side, and then rotate the screws after the light is aligned;

9.Insert the screws;

10.Screw the screws;

11.Debugging, add a small amount of special lubricant to the new lock cylinder, and turn it several times with the key to lubricate it, so as to facilitate unlocking in the future.

The above is how to replace the steps of the lock cylinder of the anti-theft door, remember to buy the best lock cylinder, if you really don't know how to install it, you can also ask a professional maintenance master to replace. Hope it helps,

When replacing, you need to remove the long screws around first, unscrew the screws that fix the lock cylinder, and then remove the screws of the lock body, you can pull out the lock body, and then install the new lock body, and then tighten the screws.

Replacing the lock body of the anti-theft door is more complicated, you can ask a professional person to replace it, and the cost of replacing it is not much.

First of all, you must choose the lock body of the same model, and then remove the original lock, so that it is good, the process is relatively simple.

Thieves, everyone is more annoying, especially some thieves who come to steal, in order to prevent these thieves from patronizing our homes, we will install anti-theft doors, in fact, anti-theft doors are also available in ancient times, but at that time, some large families are guarding against horse thieves These powerful groups, anyway, it is necessary to install anti-theft doors at home. Sometimes we will encounter that the door is not broken, but the lock is broken, then it is necessary to replace the lock body, below, let's take a look at how to replace the lock body.

Before you replace the lock body of the anti-theft door, let's take a look at how to choose the lock cylinder.

Pick the lock cylinder

First, look at the key to the door lock. The more and deeper the "teeth" of the key, the more complex the arrangement of the door lock and the more difficult it is to open.

The second key, look at the color of the door lock. The door locks are electroplated, the luster and smoothness are very good, if the color is dark yellow, it should be a copper core, this material is relatively strong, so the protection is better.

Third, look at the weight of the door lock. The heavier the weight, the better the material of the lock cylinder, the better the quality of the lock cylinder, the more beads in the lock cylinder, and the better the protective performance of the lock.

After reading how to choose the lock cylinder, let's start to take action to replace our lock body.

Teach you how to replace the lock body of the anti-theft door

1.Remove the two handle panels inside and outside: screw on the handle panel in the house, one on the top and one on the bottom;

2.Remove the inner and outer lock cylinder caps: The screws are on the lock cylinder caps in the house, which are the left and right sides of the key;

3.Dismantle the lock cylinder positioning screw: The screw is on the side of the door, in the middle of the deadbolt, at the same height as the lock cylinder. The thickest one is.

4.At this time, the lock cylinder can be removed: pay attention to the direction of the lock cylinder for easy installation.

5.Remove the lock body: four screws on the side of the door, above and below the deadbolt. This is the time to remove the lock body.

In fact, it is very simple to replace the lock body, and the above has detailed how to replace the lock body of the anti-theft door, is it not very simple. In modern times, especially in a society where thieves are so rampant, it is very necessary to install an anti-theft door, you must know that the anti-theft door not only prevents the visit of thieves, but also protects your own security. Especially some girls who live alone.

The lock body of the anti-theft door is very important, and the material of the door is also very important, for the sake of their own safety, it is best to install a quality anti-theft door.

Good quality anti-theft doors, anti-theft door locks are the most important security facilities, for these building materials, whether it is hardware, plates, as well as the decoration of the various processes, quality inspection, industry standard testing, we Tuba Rabbit decoration has the most professional and credible team, can effectively prevent the decoration company from using false materials, cut corners, decoration concerns let Tuba Rabbit decoration to help you get it!

You can get it for free

01 First of all, we need to prepare the tools, including the new lock body and screwdriver that need to be replaced.

02 Use a screwdriver to remove the shell of the lock body on the door, the screws can be seen directly, and the shell can be removed after being loosened directly, and you can see the screws on the shell.

03 Then take out the bad lock body directly from the door opening, take out the prepared new lock body and put it in, the key place is here, you need to adjust the position of the new lock body up and down, just align the lock, and then keep it still.

04 After attaching the shell, tighten it, and the lock of the security door will be secured, and the installed appearance is what it looks like in the picture.

Security doors are also very important in our lives, and when they are used for a long time, they also meet our needs. But sometimes there will be problems with the lock, and it is necessary to change the lock in time at this time. But the method of changing the lock also needs to be understood in time.

Let's introduce it to youHow to change the lock of the anti-theft door?This also helps us to change the lock better.

1. How to change the lock of the anti-theft door.

1. The first step is to prepare a plum screwdriver, first use a plum blossom screwdriver to unscrew the screws of the hand panel, and we also need to understand when we change the lock, so as to ensure our use at that time, and then unscrew the screws on the anti-theft and remove the lock state. If the lock cylinder cannot be removed after the lock cap of the security door is removed, you can use a hammer to gently knock on the perimeter of the lock to remove the lock cylinder.

2. In the second step, after the old lock cylinder is removed, you can install a new lock cylinder, which is also to ensure that we need to insert the safety bolt first, and then close the inner and outer handles, and then the handle should be pressed, so that the screw holes of the inner and outer handles can be aligned, and then tightened. Insert and place the screws vertically, so that you can align the nut, and then gently shake the screws by hand, and finally tighten them, and it is completed.

3. Thirdly, the door lock must be safe and stable as a safety product. It is also to ensure our safety, which can be measured from two aspects: one is to resist vandalism, mischief and deliberate prying, drilling and other violent destruction.

In this regard, the mechanical strength of mechanical locks and electronic door locks can generally meet the requirements. And among all the types of door locks, the lock is a fully enclosed structure, and its security is the best.

2. What are the types of anti-theft door locks?

1. First of all, the spherical door lock means that the handle of the door lock is spherical, which is easy for us to use, and the production process is relatively simple and the cost is low. It is widely used in China, and it is generally used for indoor door locks due to poor security. The main material of the product is iron, stainless steel and copper iron are used for the inner structure of the product, the shell is mostly stainless steel, and the lock cylinder is mostly copper.

2. Secondly, the three-bar handle lock refers to the handle of the door lock as the door handle, which is worth our choice. The production process is relatively simple and the cost is low. It is used in many applications in China, due to poor security, generally used for indoor door locks, the main material is iron, stainless steel, copper, zinc alloy iron is used for the inner structure of the product, the shell is mostly made of stainless steel, and the lock cylinder is mostly made of copper, which is made of zinc alloy.

3. Also, the mortise handle lock is divided into split lock and conjoined lock product material, and it is also understood that there are zinc alloy, stainless steel, and copper products, and the safety is better, and it is often used in entrance doors and room doors. Office building applications are more common.

4. Finally, with the advent of glass doors, many glass door locks have also appeared. To meet our needs, the advantage of dust pure glass lock is that the glass does not need to be opened, and the safety performance is better.

When we change the lock of the security door, we also need to understand the method in time, so that we can ensure our use at that time.