A drawer lock is a device used to lock a drawer. It is a kind of lock. It is placed on an openable and closed utensil to close a certain space or a certain utensil. It must be opened with a key or password. It greatly protects the user's personal privacy and property safety. The development history of drawer locks is as follows:
As early as 3000 BC, in the Yangshao cultural site in China, there are still wooden locks mounted on wooden frame buildings. During the Eastern Han Dynasty, the technology of Chinese iron three-reed locks had reached a very high level, and three-reed locks had been used for more than 1,000 years.
At the beginning of the 18th century, the British D. Porter invented the cam rotary lock, and its key number developed from more than 20 kinds of three-spring locks to more than 80 kinds. In the mid-19th century, European manufacturers transformed into sliding rotary drawer locks based on cam rotary locks and three-spring locks, with up to 1,600 key numbers.
In 1848, American L. Yell invented the pinball lock with cylindrical pin, which has become the most common drawer lock in the world. The structure of modern marble locks has a new development, and there are two-way, three-way, four-way marble structures, as well as plane, double-sided, multi-sided, double-sided double-sided, multi-row and multi-sided marble structures and combined marble structures, thereby greatly improving the lock's performance. The security performance makes the number of drawer locks reach millions from the original 2500 through the change of "toward" and "face".
With the application of microelectronics technology, magnetic locks, voice locks, ultrasonic locks, infrared locks, electromagnetic wave locks, electronic card locks, fingerprint locks, eyeball locks, remote control locks, etc. have appeared. These locks have high security performance unmatched by mechanical structures. Modern cupboard drawer locks can also implement system program control in a specific system according to a set logical relationship. Modern drawer locks can be classified by material, use, key or not, security features and construction.
The drawer lock of Rongtai Hardware, as the name suggests, refers to the lock that locks the drawer. Generally, there are front drawer locks, side drawer locks, square tongue drawer locks, oblique tongue drawer locks, mail locks, etc. Most common drawer locks are made of zinc alloy with iron keys and zinc cylinders. Some locks are iron locks with zinc alloy cylinders and iron keys. Drawer locks are small but can protect our privacy and private property.