What are the piston assemblies of the car
automobile piston assembly mainly includes the following parts :
Piston : piston is an important part of the engine, divided into head, skirt and piston pin seat three parts. The head is an integral part of the combustion chamber and is subjected to gas pressure; Skirt is used to guide and withstand side pressure; The piston pin seat is the connecting part of the piston and the connecting rod .
piston ring : installed in the piston ring groove part, used to prevent gas leakage, usually several ring groove, each ring groove between the ring bank .
piston pin : a key component connecting a piston to a connecting rod, usually installed in a piston pin seat .
connecting rod : with the piston pin, the reciprocating motion of the piston is converted into the rotating motion of the crankshaft .
connecting rod bearing bush : installed on the big end of the connecting rod to reduce the friction between the connecting rod and the crankshaft .
These components work together to ensure the proper operation and efficient performance of the engine.
Automobile piston assembly refers to the combination of key components in the automobile engine, mainly including piston, piston ring, piston pin, connecting rod and connecting rod bearing bush. These components work together to ensure the normal operation of the engine.
The components and functions of the piston assembly
piston : The piston is a part of the combustion chamber, its basic structure is divided into the top, head and skirt. Gasoline engines mostly use flat-top pistons, and diesel engines often have various pits on the top of the piston to meet the requirements of mixture formation and combustion .
piston ring : The piston ring is used to seal the gap between the piston and the cylinder wall to prevent gas leakage. It includes two kinds of gas ring and oil ring .
piston pin : The piston pin connects the piston with the small head of the connecting rod and transfers the air force received by the piston to the connecting rod .
connecting rod : The connecting rod converts the reciprocating motion of the piston into the rotating motion of the crankshaft, and is the key component of the engine power transmission .
connecting rod bearing bush : connecting rod bearing bush is one of the most important matching pairs in the engine, to ensure the normal operation of the connecting rod .
Working principle of piston assembly
The working principle of the piston assembly is based on a four-stroke cycle: intake, compression, work and exhaust. The piston reciprocates in the cylinder, and the crankshaft is driven by the connecting rod to complete the conversion and transfer of energy. The design of the piston top (such as flat, concave, and convex) affects combustion efficiency and performance.
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