Modern locks have been developed for more than a hundred years, and people have studied their structure and mechanism very thoroughly. Therefore, methods and tools that can be opened without a key are also emerging. In modern human civilization, because of various conflicts and conflicts in society, people's ideological and moral concepts, values, and cultural accomplishment levels are different. People in the masses are mixed, and good people can consciously regulate their behaviors. Although there is no key, it will not be chaotic. However, those thieves who have no morality have tried to use high-tech means to unlock the door, so that the majority of residents can't prevent it. Why does this happen? Because traditional locks have fatal weaknesses: First, the lock core uses common copper, aluminum, zinc and other materials, which can not resist strong damage; At present, many locks at home and abroad on the market do not actually have real anti-theft functions. In front of the smuggling, two wires or a few simple tools can open these locks. Some thieves even publicly threatened: "There is no lock that I can't open." In fact, it is not how smart they are, but the general principle of locks. Too simple. Faced with this cruel status quo, the new era puts forward the urgent requirement that the lock must be revolutionized.
Piston seal is a kind of seal used to seal between piston and cylinder, usually used in hydraulic system and Pressure system. The piston seal can prevent liquid and gas leakage, and also prevent external impurities from entering the system, thus maintaining the normal operation of the system.
Piston seals can be classified based on their structure and material. According to different structures, piston seals can be divided into unidirectional seals and bidirectional seals. A unidirectional seal can only prevent the leakage of liquid or gas from one direction, while a bidirectional seal can prevent the leakage of liquid or gas from both directions. According to different materials, piston seals can be divided into rubber seals, polyurethane seals, polytetrafluoroethylene seals, etc.
In hydraulic systems, piston seals are typically used to seal hydraulic cylinders and pumps. The piston seals in hydraulic systems need to have characteristics such as high temperature resistance, corrosion resistance, and wear resistance to ensure long-term stable operation of the system. In Pressure system, piston seals are usually used to seal cylinders and pumps. The piston seals in the Pressure system need to be resistant to high pressure, low temperature, wear and other characteristics to ensure the normal operation of the system.
In addition to hydraulic system and Pressure system, piston seals can also be used in other industrial fields, such as automobile, aviation, machinery, etc. In the automotive industry, piston seals are commonly used in engines to ensure normal engine operation. In the aviation industry, piston seals are commonly used in the hydraulic system of aircraft to ensure normal takeoff, landing, and flight. In the field of machinery, piston seals are commonly used in hydraulic and press machines to ensure the normal operation of the machine.
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Second, the lock making process is backward in technology and cannot prevent the opening of technical means.
Traditional locks