CN202391591U - High performance composite coating piston ring - Google Patents
High performance composite coating piston ring Download PDFInfo
- Publication number
- CN202391591U CN202391591U CN2011205190057U CN201120519005U CN202391591U CN 202391591 U CN202391591 U CN 202391591U CN 2011205190057 U CN2011205190057 U CN 2011205190057U CN 201120519005 U CN201120519005 U CN 201120519005U CN 202391591 U CN202391591 U CN 202391591U
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- Prior art keywords
- ring
- composite coating
- piston ring
- graphite
- layer
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a high performance composite coating piston ring, which is characterized in that a layer of Graphite-IC composite coating is painted on an excircle surface of a basal body of a piston ring; and a nitriding layer is further can be applied on the surface of the existing basal body as required, and then a layer of Graphite-IC composite coating is painted on the nitriding layer of the excircle surface. As the Graphite-IC composite coating is adopted, the hardness of the ring is high, which is 1-2 times of the hardness of chrome ring or nitriding ring, thus, the ring has higher wear resistance. In addition, the friction coefficient of the Graphite-IC composite coating is low (less than 0.07), the aggressiveness of the ring to a cylinder sleeve is reduced; the tensile cylinder performance of the ring is improved, and the service lives of the ring and cylinder sleeve are greatly prolonged. Moreover, as the friction coefficient is low, the friction loss is small, the fuel economy is greatly improved, and the effect for solving the problems such as early wearing of the piston ring and the like is remarkable.
Description
Technical field
The utility model relates to a kind of piston ring.
Background technique
The surface treatment mode that present motor car engine piston ring adopts mainly is nitriding treatment or chromium plating processing, sprayed molybdenum processing etc.; High speed development along with automobile industry; The motor of high-power, high moment of torsion, high output is more designed; This becomes strict more with regard to feasible requirement to motor kit parts, as the kernel component of motor--and-piston ring will face bigger problem.
Common nitriding treatment layer or chromium plating processing layer, sprayed molybdenum processing layer can not satisfy the demands gradually on the piston ring; Mainly show:
surface layer hardness low, abrasion resistance properties is poor; The friction ractor of
surface layer is big; Attack to cylinder sleeve is big; Tension cylinder poor performance; And can cause friction loss big, unfavorable to energy-conserving and environment-protective.The above-mentioned technical problem so need to be resolved hurrily.For this reason, external interior each piston ring producer all carries out research of technique around above-mentioned technical problem one after another.
Summary of the invention
The utility model technical problem to be solved provides a kind of high performance composite coating piston ring that can satisfy high moment of torsion, high output and low emission requirement; Adopt the Graphite-IC composite coating (self-lubricating coating of a kind of high hardness, many friction factor; In sealing occasion non-balance magnetically controlled sputter ion plating equipment; Graphite that utilization sputters and crome metal element common deposited form; Be a kind of chromium-doped amorphous graphite ware reducing coating layer), guaranteed high abrasion, high tensile cylinder performance and the low frictional factor performance of piston ring.
In order to solve the problems of the technologies described above, the utility model proposes following technological scheme:
A kind of high performance composite coating piston ring, it has the piston ring matrix, on said piston ring matrix periphery, the Graphite-IC composite coating is arranged.
Further, as required, also establish the nitriding treatment layer on the surface of matrix now, on the nitriding treatment layer of periphery, be provided with the Graphite-IC composite coating again.Be that nitride layer is between matrix and Graphite-IC composite coating.
The utility model has adopted Graphite-IC composite coating (2000-2500HV), because Graphite-IC composite coating hardness is high, is chrome-faced ring or nitrogenize ring hardness 1～2 times, makes ring have higher abrasion resistance properties.In addition, Graphite-IC composite coating friction factor extremely low (below 0.07) has reduced the aggressiveness of ring to cylinder sleeve, has improved the tension cylinder performance of ring, has prolonged the working life of ring and cylinder sleeve greatly.In addition, because friction ractor is extremely low, friction loss is little, and fuel-economy is had bigger improvement, and problem effect such as premature wear to occur remarkable to solving piston ring simultaneously.
Description of drawings
Fig. 1 is the outline drawing of the utility model;
Fig. 2 is the A-A sectional drawing (Graphite-IC composite coating) of Fig. 1;
Fig. 3 is the A-A sectional drawing (nitriding treatment layer+Graphite-IC composite coating) of Fig. 1.
Embodiment
The utility model specifically has two kinds of structural types:
Referring to Fig. 1 and Fig. 2, this piston ring has matrix 1, on the periphery of this matrix 1, directly is provided with Graphite-IC composite coating 3.
Referring to Fig. 1 and Fig. 3, this piston ring has matrix 1, on the surface of matrix 1, is provided with nitriding treatment layer 2, on the nitriding treatment layer of periphery, is provided with Graphite-IC composite coating 3 again.
Claims (2)
1. high performance composite coating piston ring, it has the piston ring matrix; It is characterized in that: the Graphite-IC composite coating is arranged on the periphery of said piston ring matrix.
2. high performance composite coating piston ring according to claim 1 is characterized in that: between said piston ring matrix and Graphite-IC composite coating, nitride layer is arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205190057U CN202391591U (en) | 2011-12-13 | 2011-12-13 | High performance composite coating piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205190057U CN202391591U (en) | 2011-12-13 | 2011-12-13 | High performance composite coating piston ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391591U true CN202391591U (en) | 2012-08-22 |
Family
ID=46666521
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205190057U Expired - Fee Related CN202391591U (en) | 2011-12-13 | 2011-12-13 | High performance composite coating piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391591U (en) |
-
2011
- 2011-12-13 CN CN2011205190057U patent/CN202391591U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Chongqing Changle Silicate Co.,Ltd. Assignor: Chongqing Silicate Inst. Contract record no.: 2013500000044 Denomination of utility model: High performance composite coating piston ring Granted publication date: 20120822 License type: Exclusive License Record date: 20130529 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20141213 |
|
| EXPY | Termination of patent right or utility model |