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Piston ring and piston assembly

A technology of piston components and piston rings, which is applied to piston rings, engine components, machines/engines, etc., can solve the problems of low static cylinder pressure and achieve the effects of improving dynamic cylinder pressure, good stability, and simple processing technology

Pending Publication Date: 2021-07-09
重庆海蓝星科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] One of the purposes of the present invention is to provide a piston ring, which can at least solve the technical problem of low static cylinder pressure in engine systems using existing conventional piston rings, combined piston rings or integrated piston rings

Method used

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  • Piston ring and piston assembly
  • Piston ring and piston assembly
  • Piston ring and piston assembly

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] see Figure 1 to Figure 4 , a piston ring, which is an annular body 1 surrounded by three monomers 11, and the adjacent monomers 11 of the annular body 1 are overlapped with each other. One of the connecting parts of 11 is provided with a step 14, and the other connecting part is provided with a step 2 15, wherein the step 1 14 of one monomer 11 can overlap with the step 2 15 of another monomer 11 Matching, and the step surface of step one 14 and the step surface of step two 15 are all perpendicular to the axis of the piston ring. In this embodiment, the annular body 1 can be sleeved on the piston 2 and replace the sealing ring, retaining ring and oil ring of the conventional piston assembly. Two blind holes 13 are arranged on the inner wall of each monomer 11. The blind holes 13 is used to accommodate one end of the elastic element 3 . An arc-shaped groove 16 is arranged in the middle of the outer wall of the monomer 11, and the arc-shaped groove 16 is arranged circu...

Embodiment 2

[0033] see Figure 5 to Figure 7 , a piston ring, which is an annular body surrounded by three monomers 11, and the adjacent monomers 11 of the annular body enclosed together are overlapped with each other, wherein, in the same monomer 11 One of the connection parts is provided with a step 14, and the other connection part is provided with a step 2 15, wherein the step 1 14 of one monomer 11 can overlap with the step 2 15 of the other monomer 11. , and the step surface of step one 14 and the step surface of step two 15 are all perpendicular to the axis of the piston ring. In this embodiment, the annular body 1 can be sleeved on the piston and replace the sealing ring, retaining ring and oil ring of the conventional piston assembly, and three blind holes 13 are provided on the inner wall of each monomer 11, and the blind holes 13 are used for Hold elastic element 3 (elastic element 3 see Figure 10 One of the ends of the spring in). An arc-shaped groove 16 is arranged in the...

Embodiment 3

[0037] A piston ring such as Figure 8 As shown, it is formed by a plurality of monomers 11 together to form an annular body 1 suitable for the piston, and an elastic element is arranged on the inner wall of the monomer 11, and the elastic element is fastened to the blind hole on the inner wall of the monomer 11. 13, a plurality of oil grooves 12 are uniformly arranged on each single body 11, and the oil grooves 12 are arranged obliquely (obliquely with respect to the axis of the piston ring) on ​​the outer wall of the single body 11. Arc-shaped grooves 16 are arranged on the outer walls of the cells 11 in the circumferential direction, and the arc-shaped grooves 16 on the outer walls of all the cells 11 jointly form a discontinuous annular groove, and the discontinuous area 110 is located at the connecting portion of adjacent cells 11 . The upper end of the oil groove 12 communicates with the arc groove 16 , and the lower end extends axially to the end surface of the monomer ...

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Abstract

The invention provides a piston ring and a piston assembly. The piston ring is an annular body defined by a plurality of single bodies and fitting with a piston; elastic elements are arranged on the inner side wall of each single body; oil grooves are formed in each single body; the oil grooves are axially or obliquely formed in the outer side wall of each single body; and the piston assembly adopts the piston ring. The invention solves that technical problem that the static cylinder pressure and the dynamic cylinder pressure of an engine system of an existing conventional piston assembly are small.

Description

technical field [0001] The invention belongs to the technical field of pistons, and in particular relates to a piston ring and a piston assembly. Background technique [0002] The piston ring of the engine refers to the metal ring used to embed the inside of the piston groove. The conventional piston ring includes a compression ring (also called a sealing ring or a gas ring), an oil ring (also called an oil ring), and a retaining ring. Among them, the compression ring is used to seal the combustible mixture in the combustion chamber, and the oil ring is used to scrape off excess oil on the cylinder. Since the piston ring of the engine is a high-precision component that needs to be replaced periodically or periodically according to the usage conditions, it has a vital impact on the engine and its entire set of equipment. Some excellent performances (such as long service life, good stability, oil control Good performance) high-end piston rings rely heavily on imports. At pre...

Claims

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Application Information

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IPC IPC(8): F16J9/06F16J9/12F02F5/00
CPCF16J9/061F16J9/12
Inventor 苏雷虹顾德
Owner 重庆海蓝星科技有限公司
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