CN206972393U - A kind of abrasion-proof piston ring - Google Patents
A kind of abrasion-proof piston ring Download PDFInfo
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- CN206972393U CN206972393U CN201720536528.XU CN201720536528U CN206972393U CN 206972393 U CN206972393 U CN 206972393U CN 201720536528 U CN201720536528 U CN 201720536528U CN 206972393 U CN206972393 U CN 206972393U
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- piston ring
- abrasion
- periphery
- substrate
- proof
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Abstract
The utility model discloses a kind of abrasion-proof piston ring, belongs to internal combustion engine spare and accessory parts field.Including piston ring substrate, the piston ring substrate periphery both ends of the surface both sides are provided with lead angle, the piston ring substrate periphery is provided centrally with rectangle annular groove, the rectangle annular groove both sides are respectively arranged with some insertions piston ring substrate and symmetrical wear ring, and the wear ring is chromium based diamond composite；The axial end and inner headed face of the piston ring substrate have chrome-base ceramic composite plating layer at least provided with nitriding layer or phosphate coating on the periphery of the piston ring substrate.Piston ring of the present utility model can bear more high heat load and mechanical load, and anti-wear performance is higher, greatly extend the service life of piston ring.
Description
Technical field
It the utility model is related to internal combustion engine spare and accessory parts field, particularly a kind of abrasion-proof piston ring.
Background technology
Piston ring be uniquely axially moved in all internal combustion engine parts, radial motion and the rotary motion of circumferencial direction
Part.Part the harshest, combustion chambers of internal combustion engines can reach in the moment of blast, fuel gas temperature simultaneously and in use condition
2000 DEG C -2500 DEG C, its explosion pressure averagely reaches 50kg/cm2, the temperature of piston crown is typically not less than 200 DEG C.With
Fuel economy index and discharge limitation require more and more higher, and interior alkene machine tends to high explosion pressure, high torque, high heat load
Design in direction.The internal combustion engines such as turbocharging, high-pressure common rail, EGR are more used and designed, these internal combustion engines
The features such as generally existing fuel gas temperature is high, gaseous-pressure is big, heat carrying is high.Because internal combustion engine possesses these features so that piston
The condition of work of ring becomes harsher, and sealing, wearability, anti-scuffing of cylinder bore energy and the resistance to heat absorption ability of piston ring will
Further lifting.
Utility model content
Goal of the invention of the present utility model is, in view of the above-mentioned problems, providing a kind of abrasion-proof piston ring, solves piston ring and is disliking
The problem of being declined under bad working environment using piston ring wearability.
To reach above-mentioned purpose, technical scheme is used by the utility model：A kind of abrasion-proof piston ring, including piston ring
Matrix, the piston ring substrate periphery both ends of the surface both sides are provided with lead angle, and the piston ring substrate periphery is provided centrally with
Rectangle annular groove, the rectangle annular groove both sides are respectively arranged with some insertions piston ring substrate and symmetrical wear ring,
The wear ring is chromium based diamond composite；The axial end and inner headed face of the piston ring substrate are at least provided with oozing
Nitrogen layer or phosphate coating, there is chrome-base ceramic composite plating layer on the periphery of the piston ring substrate.
Based on said structure, piston up-down, two peripheries act on piston cylinder piston ring up and down, piston ring by
To power be applied to whole piston ring, its tension distribution is uniform, and the axial both ends of the surface and inner headed face of piston ring substrate are respectively provided with
There is the chrome-base ceramic composite plating layer on nitriding layer or phosphate coating, and piston ring excircle face, improve the heat-resisting, resistance to of piston ring side
Performance is ground, greatly extends the service life of piston ring.
Further, the piston ring substrate periphery sharp corner does the processing of rounding angle.
Beneficial effect using above-mentioned further scheme is：The processing of wedge angle rounding angle can reduce wedge angle to piston cylinder
Pressure, the scratch piston inside wall of cylinder is prevented, reduce frictional force.
Further, the summation of the wear-resisting ring thickness account for piston ring excircle face contacted with piston cylinder face thickness 30%~
50%.
Beneficial effect using above-mentioned further scheme is：Wear-resisting ring thickness is moderate, can increase the wear-resisting of piston ring
Property, prevent wear ring from integrally coming off.
Further, the chrome-base ceramic composite plating layer is chromium base silicon carbide ceramic composite plating layer or chromium base boron carbide ceramics
Composite deposite.
Beneficial effect using above-mentioned further scheme is：The chromium base carbonization in plating on the periphery of piston ring substrate
Silicon ceramic composite plating layer or chromium base boron carbide ceramics composite deposite, strengthen piston ring wear resistance, while will heat caused by friction
Export, prevents heat build-up.
Further, the nitrided case depth is 0.2~0.5 millimeter, and the phosphate coating thickness is 5~10 microns, described
Chrome-base ceramic composite plating layer thickness is 20~300 microns.
Beneficial effect using above-mentioned further scheme is：Coating can make plating using suitable thickness on piston ring
Layer reaches using effect, while coating is difficult for drop-off on piston ring, extends the service life of piston ring.
Further, the chrome-base ceramic composite plating layer is fenestral fabric.
Beneficial effect using above-mentioned further scheme is：The coating of fenestral fabric, a small amount of lubricating fluid can be stored,
Prevent piston ring and piston cylinder dry friction.
Further, diamond particles size is 30~100 mesh in the chromium based diamond composite.
Beneficial effect using above-mentioned further scheme is：Diamond particles size is that 30~100 mesh can effectively be prevented
Only diamond particles integrally come off in friction.
Due to being had the advantages that using above-mentioned technical proposal, the utility model：
1. two peripheries act on piston cylinder the utility model piston ring up and down, the power that piston ring is subject to is applied to
Whole piston ring, its tension distribution is uniform, and the processing of wedge angle rounding angle reduces pressure of the wedge angle to piston cylinder, and piston ring scuffing subtracts
It is small.
2. the utility model is provided with nitriding layer or phosphate coating by piston ring substrate axial direction both ends of the surface and inner headed face, profit
The greasy property of piston ring is improved with the fenestral fabric chrome-base ceramic composite plating layer on piston ring excircle face, reduces friction,
Further improve the service life of piston ring.
Brief description of the drawings
Fig. 1 is the sectional view of the utility model installation.
In accompanying drawing, 1- abrasion-proof piston rings, 11- piston ring substrates, 12- annular grooves, 13- wear rings, 14- nitriding layers or phosphatization
Layer, 15- chrome-base ceramic composite plating layers, 2- piston heads, 3- piston cylinders.
Embodiment
Further illustrated below in conjunction with specific implementation of the accompanying drawing to utility model.
Embodiment 1
Abrasion-proof piston ring 1, including piston ring substrate 11, the periphery both ends of the surface both sides of piston ring substrate 11 are provided with lead angle,
The periphery of piston ring substrate 11 is provided centrally with rectangle annular groove 12, and rectangle annular groove both sides are respectively arranged with two embedded piston ring groups
Body 11 and symmetrical wear ring 13, wear ring 13 are chromium based diamond composite.The periphery wedge angle of piston ring substrate 11
The processing of rounding angle is done at place, and the summation of the thickness of wear ring 13 accounts for the periphery of abrasion-proof piston ring 1 and contacts face thickness with piston cylinder
30%, diamond particles size is 30 mesh in chromium based diamond composite.The axial end and inner headed face of piston ring substrate are equal
At least provided with 0.2 millimeter of nitriding layer, the chromium base on the periphery of piston ring substrate with 20 microns of fenestral fabric is carbonized
Silicon ceramic composite plating layer.
Embodiment 2
Abrasion-proof piston ring 1, including piston ring substrate 11, the periphery both ends of the surface both sides of piston ring substrate 11 are provided with lead angle,
The periphery of piston ring substrate 11 is provided centrally with rectangle annular groove 12, and rectangle annular groove both sides are respectively arranged with two embedded piston ring groups
Body 11 and symmetrical wear ring 13, wear ring 13 are chromium based diamond composite.The periphery wedge angle of piston ring substrate 11
The processing of rounding angle is done at place, and the summation of the thickness of wear ring 13 accounts for the periphery of abrasion-proof piston ring 1 and contacts face thickness with piston cylinder
35%, diamond particles size is 50 mesh in chromium based diamond composite.The axial end and inner headed face of piston ring substrate are equal
At least provided with 0.5 millimeter of nitriding layer, the chromium base on the periphery of piston ring substrate with 300 microns of fenestral fabric is carbonized
Silicon ceramic composite plating layer.
Embodiment 3
Abrasion-proof piston ring 1, including piston ring substrate 11, the periphery both ends of the surface both sides of piston ring substrate 11 are provided with lead angle,
The periphery of piston ring substrate 11 is provided centrally with rectangle annular groove 12, and rectangle annular groove both sides are respectively arranged with two embedded piston ring groups
Body 11 and symmetrical wear ring 13, wear ring 13 are chromium based diamond composite.The periphery wedge angle of piston ring substrate 11
The processing of rounding angle is done at place, and the summation of the thickness of wear ring 13 accounts for the periphery of abrasion-proof piston ring 1 and contacts face thickness with piston cylinder
45%, diamond particles size is 70 mesh in chromium based diamond composite.The axial end and inner headed face of piston ring substrate are equal
At least provided with 5 microns of phosphate coating, there is the chromium base boron carbide of 20 microns of fenestral fabric on the periphery of piston ring substrate
Ceramic composite plating layer.
Embodiment 4
Abrasion-proof piston ring 1, including piston ring substrate 11, the periphery both ends of the surface both sides of piston ring substrate 11 are provided with lead angle,
The periphery of piston ring substrate 11 is provided centrally with rectangle annular groove 12, and rectangle annular groove both sides are respectively arranged with two embedded piston ring groups
Body 11 and symmetrical wear ring 13, wear ring 13 are chromium based diamond composite.The periphery wedge angle of piston ring substrate 11
The processing of rounding angle is done at place, and the summation of the thickness of wear ring 13 accounts for the periphery of abrasion-proof piston ring 1 and contacts face thickness with piston cylinder
50%, diamond particles size is 100 mesh in chromium based diamond composite.The axial end and inner headed face of piston ring substrate are equal
At least provided with 10 microns of phosphate coating, the chromium base on the periphery of piston ring substrate with 300 microns of fenestral fabric is carbonized
Boron ceramic composite plating layer.
Described above is the detailed description for the preferable possible embodiments of the utility model, but embodiment is not limited to
Patent claim of the present utility model, the equal change or modification completed under the technical spirit suggested by all the utility model
Change, all should belong to the utility model and cover the scope of the claims.
Claims (7)
1. a kind of abrasion-proof piston ring, including piston ring substrate, it is characterised in that：The piston ring substrate periphery both ends of the surface both sides
Lead angle is provided with, the piston ring substrate periphery is provided centrally with rectangle annular groove, and the rectangle annular groove both sides are respectively arranged with
Some insertion piston ring substrates and symmetrical wear ring, the wear ring are chromium based diamond composite；It is described
The axial end and inner headed face of piston ring substrate are provided with nitriding layer or phosphate coating, have on the periphery of the piston ring substrate
There is chrome-base ceramic composite plating layer.
A kind of 2. abrasion-proof piston ring according to claim 1, it is characterised in that：The piston ring substrate periphery sharp corner
Do the processing of rounding angle.
A kind of 3. abrasion-proof piston ring according to claim 1, it is characterised in that：The summation of the wear-resisting ring thickness accounts for piston
Ring periphery contacts the 30%~50% of face thickness with piston cylinder.
A kind of 4. abrasion-proof piston ring according to claim 1, it is characterised in that：The chrome-base ceramic composite plating layer is chromium base
Silicon carbide ceramics composite deposite or chromium base boron carbide ceramics composite deposite.
A kind of 5. abrasion-proof piston ring according to claim 1, it is characterised in that：The nitrided case depth is 0.2~0.5 milli
Rice, the phosphate coating thickness are 5~10 microns, and the chrome-base ceramic composite plating layer thickness is 20~300 microns.
A kind of 6. abrasion-proof piston ring according to claim 1, it is characterised in that：The chrome-base ceramic composite plating layer is grid
Shape structure.
A kind of 7. abrasion-proof piston ring according to claim 1, it is characterised in that：It is golden in the chromium based diamond composite
Hard rock particle size is 30~100 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536528.XU CN206972393U (en) | 2017-05-15 | 2017-05-15 | A kind of abrasion-proof piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720536528.XU CN206972393U (en) | 2017-05-15 | 2017-05-15 | A kind of abrasion-proof piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206972393U true CN206972393U (en) | 2018-02-06 |
Family
ID=61413986
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720536528.XU Active CN206972393U (en) | 2017-05-15 | 2017-05-15 | A kind of abrasion-proof piston ring |
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| Country | Link |
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| CN (1) | CN206972393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294418A (en) * | 2021-12-08 | 2022-04-08 | 山东恒力源精密机械制造有限公司 | Piston ring and preparation method thereof |
-
2017
- 2017-05-15 CN CN201720536528.XU patent/CN206972393U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114294418A (en) * | 2021-12-08 | 2022-04-08 | 山东恒力源精密机械制造有限公司 | Piston ring and preparation method thereof |
| CN114294418B (en) * | 2021-12-08 | 2023-06-23 | 山东恒力源精密机械制造有限公司 | Piston ring and preparation method thereof |
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