How to change the lock of the security door? What are the manufacturers of security door locks?

Most people live in buildings now. At this time, we need a security door to ensure the safety of our family. The lock of the security door is broken. How to change the lock at this time? Which manufacturer's security door is good? I don't know much about these. So how to replace the lock of the security door? What are the manufacturers of security door locks? Next, we will introduce it to you. I hope you can refer to it when changing the lock.

1. How to change the lock of the security door?

1. How to change the lock of the security door? Unscrew the upper and lower screws of the hand panel with a Torx screwdriver. Then unscrew the screws on both sides of the lock cylinder anti-theft sleeve, and then remove the lock cap. (Note: Don't tighten the two screws too tightly when installing, as there is a sense of movement when pressing the anti-theft shell. )

2. How to change the lock of the security door and how to remove the anti-theft sleeve of the lock core. (Note: Use the same method when installing. When the lock core is removed, but it cannot be pulled out by hand after unscrewing the screw, gently tap it around the lock head with a hammer.

3. How to change the lock of the security door After the lock core is removed, install a new lock core. But first insert the safety bolt, and then start to close the inner and outer handles. It is best for someone to hold the outer handle, and the screw holes of the inner and outer handles must be aligned before turning the screw.

4. When the lock of the security door is replaced with screws, 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 sharp and feels good. Turn the screw to complete the basic step-by-step operation of changing the lock core. Insert the key and turn it 360 degrees. If it is safe and normal, it will be completed!

2. What are the manufacturers of security door locks?

1. Zhongshan Fuyu Intelligent Lock Manufacturing Co., Ltd. was established on 1999, focusing on lock manufacturing for 30 years! The factory covers an area of more than 20,000 _ 300 employees, with an annual output of 3 million mechanical locks and 65,438+10,000 fingerprint locks. Products sell well in China and are exported to more than 30 countries and regions such as Europe and America. Source Power Lock Factory integrating design, panel die casting, electronic chip and lock core lock body. The company pays attention to innovative design and technology research and development, and has more than 65,438+000 product patents, including invention patents and more than 50 appearance patents, seamlessly connecting smart home and IoT cloud platform applications.

2. Shenzhen Huapin Smart Lock Co., Ltd. is a high-tech enterprise integrating R&D, production, sales and technical support of electronic smart door locks. 20 14 reorganized on the basis of the original Shenzhen Pinwei lock industry. After reorganization, Shenzhen Huapin Smart Lock Co., Ltd. is one of the largest manufacturers of electronic smart door locks in China.

Yongkang Haimiao Hardware Products Factory is a company specializing in the production and processing of fingerprint locks, smart locks, sliding fingerprint locks, password locks and other products, with a complete and scientific quality management system. Since its establishment, Yongkang Haimiao Hardware Products Factory has always adhered to the principle of quality first and honesty, and recruited technical and management talents to provide all-round solutions for the company.

When changing the lock of the security door, I don't know how to change it, and which manufacturer has a good security door lock. The above article is about how to change the locks of security doors and which manufacturers have them.