What are the components of a piston connecting rod?

1 Answers
AnthonyLynn
07/30/25 8:42am
Piston connecting rod assembly consists of piston, piston rings, piston pin, connecting rod, and connecting rod bearing. The functions of each part are introduced as follows: Function of piston: To bear the gas pressure in the cylinder and transmit this force to the connecting rod through the piston pin to drive the crankshaft rotation, transferring the combustion gas pressure to the crankshaft, making the crankshaft rotate and output power. Function of piston rings: To ensure the sealing between the piston and the cylinder wall, preventing high-temperature and high-pressure gas from entering the crankcase. Function of piston pin: To connect the piston with the small end of the connecting rod and transmit the gas force borne by the piston to the connecting rod. Function of connecting rod: To connect the piston and the crankshaft, converting the reciprocating motion of the piston into the rotational motion of the crankshaft, and transmitting the force borne by the piston to the crankshaft.
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