Free global trade data sources

Introduction to automobile engine valve In automobile engine,Free global trade data sources valve is an extremely important part. It is the door that controls the intake and exhaust of the car engine, which is equivalent to the respiratory system in the human body, responsible for inhalation and exhalation. The valve needs to be responsible for controlling the mixture of fuel in the cylinder entering or discharging the cylinder, and its operation affects the performance of the engine, fuel efficiency and exhaust gas emitted. The function of the valve The car valve is a key part of the engine. It is responsible for controlling the intake and exhaust of the car engine, as well as the flow of car oil.The switch of the valve is driven by the camshaft, which basically follows the rotation of the crankshaft. The bulge on the camshaft is set on the valve control lever, forming a "wedge" effect that opens or closes the valve. When the car inhales air, the valve is opened, the gasoline and air are mixed into the cylinder to burn, and the car is pushed forward driven by the burst of energy. When the car is exhausted, the valve is closed, and the combustion exhaust gas is sent to the exhaust system through the exhaust valve and finally discharged. Types of valves There are various types of valves used in modern cars, and the common ones are: 1. Vertical valve: an upright-mounted valve, which is used in most car engines. There are a large number of vertical valves, and because the design is relatively simple, it is more economical and practical. Two. Opposed valve: The opposite valve system has an equal number of intake and exhaust valves, which can make the engine run more efficiently.3. Cantilever valve: The car engine is hung on the valve and suspended near the valve rod. Compared with the traditional vertical valve, the advantage is less weight and less friction, thus improving the efficiency of the oil. Four. Rotating valve: This is a mechanism to change the cylinder volume by adjusting the rotation speed and direction of the valve. Maintenance and maintenance of valves Although the service life of car valves is long, they still need regular maintenance and repair to ensure the normal operation of the car. Here are some common valve maintenance tips: 1. Replace the valve conduit: This is especially important for vertical valves. If the conduit is seriously worn or damaged, it will cause the engine to be not smooth or underburn. Two. Replace the valve jack: The valve jack is an important part used to push the valve. If the valve lever or jack is seriously worn, the opening and closing time of the valve may be affected.3. Replace the worn parts of the valve: Like other engine parts, excessive wear will cause the valve to fail. If the valve lever, valve coil or valve seat of the car is seriously worn, it needs to be replaced. Four. Check the fastening bolts of the valve: After the engine runs for a period of time, the bolts of the valve system may be loose. Therefore, it is necessary to regularly check whether the valve fastening bolt is intact and installed correctly. 5. Regular cleaning and lubrication: Regular cleaning and lubrication can significantly increase the service life of the valve. For example, when replacing the valve duct and the valve jack, be sure to clean and lubricate the impregnated surface of the valve before installation to ensure that the valve can open and close smoothly. In summary, the valve is an important part of the automobile engine, which is responsible for controlling the intake and exhaust of the automobile, the flow of oil and other key functions.The performance and fuel efficiency of the engine can be closely related to the state of the valve, so it is very important to better maintain and maintain the valve. Regular inspection and replacement of the valve helps to ensure the normal operation of the engine and help the vehicle provide outstanding performance and maintenance costs to have a longer service life.

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