What are the components of the piston connecting rod group and their functions
2023-08-31
What are the components of the piston connecting rod group and their functions?
The components of a piston connecting rod set typically include the following:
1.Piston: The piston is a cylindrical component that moves up and down inside the cylinder bore. It is responsible for compressing the air-fuel mixture and transferring the combustion pressure to the connecting rod.
2.Connecting Rod: The connecting rod is a rod-like component that connects the piston to the crankshaft. It transfers the reciprocating motion of the piston into rotational motion of the crankshaft.
3.Piston Rings: Piston rings are circular metal rings that fit into grooves on the outer surface of the piston. They create a seal between the piston and the cylinder wall, preventing leakage of combustion gases and oil from entering the combustion chamber.
4.Piston Pin/Piston Rod Pin: The piston pin, also known as the piston rod pin or wrist pin, connects the small end of the connecting rod to the piston. It allows the piston to pivot on the pin as it moves up and down. The piston pin is typically secured with retaining clips.
The role of each component is as follows:
- The piston compresses the air-fuel mixture, transfers combustion pressure to the connecting rod, and provides a sealed chamber in the combustion process.
- The connecting rod connects the piston to the crankshaft and converts reciprocating motion into rotational motion, transmitting power from the piston to the crankshaft.
- The piston rings create a tight seal between the piston and the cylinder wall, ensuring efficient combustion and preventing combustion gases and oil leakage.
- The piston pin provides a pivot point for the piston, allowing it to move freely on the connecting rod while maintaining alignment and minimizing friction.
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