Chapter 2 Crank-connecting rod mechanism and parts Section 2 Piston connecting rod group Figure 2.6 Piston group structure cutaway view 1.piston top 2.piston leakproof 3.piston ring 4.piston pin seat 5.piston pin 6.piston pin lock ring 7.piston skirt 8.stiffening rib 机械电子工程二 Automobile and Tractor Northwest A&F University Automobile and Tractor Northwest A&F University Chapter 2 Crank-connecting rod mechanism and parts Figure 2.6 Piston group structure cutaway view 1. piston top 2. piston leakproof 3. piston ring 4. piston pin seat 5. piston pin 6. piston pin lock ring 7. piston skirt 8. stiffening rib Section 2 Piston & connecting rod group