What was the name of that long lock in ancient China? thank you

Several ancient locks in China The types of ancient locks in China can be roughly divided into two categories: reed lock and character code lock. Among them, reed locks can be divided into four types: wide locks, Citigroup locks, instruments of torture locks and jewelry locks, most of which are horizontal locks, which are used for doors, cabinets and boxes. Guangsuo: It was mostly produced in Shaoxing during Guangxu period of Qing Dynasty, commonly known as Shaosuo, and also known as "horizontal lock", "spring lock" or "pillow lock" among the people. Mostly made of copper, the front is concave, and the end face is a combination of triangle and rectangle. Locks before the Ming Dynasty were mostly made of copper with long cylindrical ends. In Ming and Qing dynasties, locks were mostly made of copper, with a triangle on the top and an oblique square on the bottom. After the Qing dynasty, its materials were mostly brass, but also Yunnan white copper and iron. The upper part of the end face is the same as that of Ming and Qing Dynasties, and the lower part is square. The iron wide lock adopts the wide lock style before the Ming Dynasty, with a long cylindrical end, three hoops, five hoops, car lights and so on. The hoop is a patterned iron hoop added to the cylindrical lock body to increase the beauty and strength. The surface of the lock body is plated with nickel or copper to make it smooth. Citi Lock: "Flower" refers to the pattern, and "flag" means performance. "Citi Lock" has traditional national customs. Generally made of gold, silver, copper, iron and other materials, with copper as the most. Mostly used in cabinets, boxes, drawers, etc. , with exquisite appearance and meaning of blessing. Jewelry locks: decorative metal locks, mostly made of gold and silver. It is hung around the neck with a chain, and it has the shape of wishful, heart-shaped, ingot, flower and animal. The surface of the lock is engraved with exquisite flower-and-bird patterns, as well as words such as festive, auspicious, longevity, happiness, longevity and auspiciousness. Torture lock: also known as personal lock, it is an iron lock used to lock chains and wooden shackles. Character code lock: it is a transverse cylinder, and several wheels with the same size are arranged on the shaft, and the surfaces of the wheels are etched with the same number of characters. Two upright posts are connected to both ends of the cylinder, and each upright post is connected to a lock beam. When all the characters on the wheel turn to a certain position and these characters form a specific string, the lock can be opened without a key. The number of wheels of a character password lock is mostly three to seven, and several wheels are called several rings (password lock).

The earliest locks were made of wood, which were extremely simple in structure and could not be used for theft prevention. They could only be used as symbolic locks. China's metal lock was invented in Han Dynasty, which is a reed lock. Most of them were iron locks in the Song Dynasty, but in the Ming and Qing Dynasties, bronze locks became a necessity for every household. As a daily necessities, ancient locks with different materials and techniques recorded the development level of social productive forces in different periods, and some locks with special shapes and patterns also recorded the folk customs at that time. From this perspective, ancient locks are of great historical research value. Artistic value. It is human nature to love beauty. Ancient craftsmen in China never forgot to inject artistic elements into their products on the basis of practicality.

Cow lock, turtle lock, crab lock, frog lock, pipa lock, etc. In the design of locks, certain shapes are introduced to increase the cultural connotation beyond practicality, with appropriate scale, reasonable structure, vivid shapes and rich decoration, all of which contain aesthetic artistic conception. In addition to modeling, many locks also use various techniques such as flat carving, through carving, hollow carving, carving, gilding, wrong gold, gilding and inlaying. Exquisite craftsmanship and beautiful shape make this lock itself a work of art.

Ancient locks are divided into wooden locks, gold locks, silver locks, jade locks, copper locks, iron locks, stone locks, cloisonne locks and so on. The more expensive the material, the higher the value of the lock. Therefore, the value of gold locks, silver locks and jade locks is higher than that of copper locks, iron locks and wooden locks.