The European standard door lock has a story - for you to explain the European standard lock knowledge in detail!

The earliest lock, the simplest lock, should be the door latch, a simple mechanism set by the owner to prevent others from opening, and only applied to the door.

In ancient China, there were stone locks and no keys. They were tied by ropes or chains. During the Shang and Zhou Dynasties, the private ownership of production materials was further developed, the gap between the rich and the poor was further aggravated, and social contradictions were prominent. At the same time, the smelting technology was mature and immediately applied to the lock industry. Therefore, copper locks and irons were opened with the key. Locks, matching different locks depending on the key. With the rapid development of science and technology, mechanical locks have also made great progress. Modern mechanical locks have been in existence for more than a hundred years. Balls of different lengths have been added to the lock cylinders, and the outer wires are opened with corresponding tooth-shaped keys. Later, it developed into a combination lock, magnetic lock, electronic lock, laser lock, voice lock and so on. On the basis of the traditional key, one or more sets of passwords, different sounds, different magnetic fields, different sound waves, different beam light waves, and different images are added. Such as fingerprints, retina of the fundus, etc.) control the opening of the lock.

About the modern European standard lock body

Today's door locks are no longer simply simple to meet the function of opening the door, but also more convenient and practical in use. Some well-known interior door brands use the European standard lock body. The biggest feature of this lock body is that it can change the traditional lock body with only one handle. The traditional lock body and handle are integrated. If the lock core is damaged, it can only be re-established. Optional new lock body and handle, it will also cause some damage to the inner door, affecting the use of the inner door. In addition, the European standard lock body can be freely replaced with the European standard handle according to the owner's preference, fully satisfying the individual choice. Good cooperation with the lock file, effectively improve the impact resistance of key parts of the door panel, and make the inner door more protective.

Founded in 1961, it has 17 member states. In 1970, it began to implement the certification system that conforms to the EN standard. The certification work is undertaken by the European certification committee CBNCER. The EN EU standard applies to all member states of the European Union. Since the European Standard (EN) has been enforced by the European Union and its member states as the national standard of the country, it has played a positive reference and reference for China and other countries in the application and revision of standards. effect. At present, European standards are increasingly recognized internationally, and most of them have been equivalently converted into national standards ISO. European standards have the characteristics of fine classification and strong pertinence, and should pay attention to the preconditions when applying. There are no ISO standards for lock products, but the standards of various countries are generally compared. The European standard EN (PREN12529) is all-encompassing. The European standard combines external door locks, ball locks and mortise locks in the same standard. The standard is widely adaptable.

China National Fire Detection:

National Natio nal Accreditation Committe for Laboratories (CNACL), on September 20, 1994, by the State Bureau of Quality and Technical Supervision, based on the "Product Quality Law of the People's Republic of China", "Measuring Law of the People's Republic of China", "Chinese The People's Republic of China Standardization Law, the Regulations on the Administration of Quality Certification of the People's Republic of China and the State and the National Accreditation Work of China's Laboratory Accreditation Work are authorized to be established. It is the national accreditation body responsible for the management of Chinese laboratory accreditation.

American National Standards Institute (ANSI):

The American Natio nal Standards Institute, founded in 1918, is a non-profit, non-governmental standardization body in the United States. Its main functions are: coordinating the standardization activities of domestic institutions and groups; reviewing and approving US national standards; representing the United States in international standardization activities; providing standard information consulting services.

Lock standard comparison

At present, among the internationally accepted standards for gated hardware products, the non-US standard ANSI with the highest rating and the longest history is none other than ANSI. Because American standard hardware products cover a wide range of technical requirements, the American standard ANSI also represents the world's highest-end, most advanced hardware application level and manufacturing level. For the door closer, the US standard ANSI level requires a service life of more than 2 million times, while the European EN standard has a maximum service life of more than 500,000 times; for the mortise lock, the US standard ANSI level 1 requires a service life. In 1 million times, the European EN standard is 200,000 times; for the escape device, the US standard ANSI is 500,000 times, and the European EN standard is 200,000 times. Therefore, according to the characteristics of the National Convention Center, the construction unit chose Domex as its supplier of gated hardware products, and selected the American standard ANSI that best meets the requirements of the project as the most basic of the gated hardware products.