This can really bring a great sense of security to families, but people don't know much about the lock core of security doors. Many people may not know whether the lock core of the security door can be replaced. Let's introduce you to which brand of security door lock is good, which is a problem that must be mastered before purchasing. Nowadays, security doors are particularly popular with people, and many families will choose to install them, which can really bring great sense of security to their families. However, people still don't know much about the lock core of security door. Many people may not know whether the security door lock can be replaced. Let's introduce you to which brand of anti-theft door lock is good, which is a problem that must be mastered before purchasing.

Can the lock of the security door be replaced?

1. Before replacing the faulty lock body, please ensure that the new lock body has the same model and opening mode as the old lock body or is compatible with the security door. Here is a legend to show how many kinds of locks there are. Please refer to the opening mode of your own door to choose the appropriate lock body. When the tools and updated accessories are ready, the disassembly work begins. First, we will remove two long screws on the indoor side panel. Before removal, be careful to hold down the two panels on the inside and outside of the door by hand. After the screw is removed, it is easy to fall off, resulting in deformation or scratch of the panel.

2. After the panel is taken out, you can see the square shaft connecting the handle, pull it out and mark it at the same time. The positions of the two ends cannot be reversed.

3. Next, remove the fixing screw of the lock core and unscrew the long screw that is different from the fixing panel. After taking out the lock core fixing screw, the lock core can be pulled out. There are four screws to be removed, two on the top and two on the bottom. After removal, the lock body can be pulled out directly.

4. Comparing the new lock body with the original lock body, it may be that the lock body has been updated in the production process, and the new and old lock bodies have certain differences in size, and the data in height and width are the same, so it mainly determines the matching degree of the opening mode. In addition, due to the long service time of the replaced lock body, the damaged shaft hole is broken. Because the lock body is riveted integrally, there are no maintenance parts, only the lock body assembly is replaced.

Which brand of anti-theft door lock is good?

1, beautiful treasure. Meilibao Lock Industry Co., Ltd. is a professional lock cylinder manufacturer, one of the top ten lock cylinder brands and an influential lock brand in the industry.

2. Zhongheng. China brand is not only a good lock cylinder, but also an atmospheric handle with a classical style. China is a leading enterprise in lock industry. Zhongheng Lock Industry is a manufacturer of anti-theft doors and locks. Zhongheng owns 36 invention patents and 70 application patents.

3. Baode Ann. Baode An comes from Zhejiang Baode An Security Products Co., Ltd., which is a professional lock-making enterprise integrating design, development, production, sales and service. It is one of the top ten brands of anti-theft door lock core and a well-known trademark in China.

4. Gold dot atom. Jindian Atomic Lock Industry Co., Ltd. is one of the top ten brands of lock cores for security doors, a leading lock core brand in China, a high-tech enterprise in Guangdong Province and a lock manufacturing enterprise.

Can the anti-theft door lock be replaced? After reading the above introduction, everyone must understand that it can be replaced, but everyone must pay attention to the brand they choose. Which brand of anti-theft door lock is good? After buying this brand product in a regular store, you will feel more at ease and have better quality assurance when using it.