The working principle of the valve
Release time:
2024-09-20
The key principle of the valve is that when the crankshaft rotates, it drives the piston to move up and down in the cylinder, and drives the camshaft through a chain or belt,
The key principle of the valve is that when the crankshaft rotates, it drives the piston to move up and down in the cylinder, and drives the camshaft through a chain or belt, and then the flange of the camshaft presses the valve to adjust the opening and closing of the valve. Including valve head, valve seat and valve stem. The valve seat and the seat ring together form a functional unit.
Thus, the valve seat ring and the valve seat will be introduced together. The valve head refers to the entire lower area of the valve, including the valve face and the fillet. The forces caused by the combustion pressure are borne here. This is taken into account when designing high valve faces. Critical valves include monometallic valves, bimetallic valves, and empty heart valves. Whether the valve is made of one or more materials, whether it is made of hollow core or solid form, its structure is basically similar.
The valve and valve spring together form an assembly which is mounted on the cylinder head. The intake and exhaust valves are subjected to different loads. When the two components move, the loads caused by the inertial forces are similar. However, the exhaust valve must withstand the high temperature thermal load of the exhaust gas, while the intake valve is cooled by the fresh air flowing through it. Heat may also be dissipated from the valve through the valve seat in the form of heat conduction.
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