CN204532750U - A kind of compound piston ring of compressor - Google Patents
A kind of compound piston ring of compressor Download PDFInfo
- Publication number
- CN204532750U CN204532750U CN201420834607.5U CN201420834607U CN204532750U CN 204532750 U CN204532750 U CN 204532750U CN 201420834607 U CN201420834607 U CN 201420834607U CN 204532750 U CN204532750 U CN 204532750U
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- China
- Prior art keywords
- ring
- pressed
- outer shroud
- thickness
- gap
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Abstract
The utility model provides a kind of compound piston ring of compressor, and its purport is that providing a kind of can improve the ability to bear of piston ring counterpressure and the piston ring of anti-gas blowby.Comprise pressed on ring (9) and lower ring (10), pressed on ring (9) and lower ring (10) are provided with gap (8), the gap (8) of pressed on ring (9) and the clearance gap 30 °-180 ° of lower ring (10) are arranged, pressed on ring (9) end face is provided with inclined-plane (1), bottom surface is provided with projection (2), lower ring (10) end face is provided with groove (3), the projection (2) of pressed on ring (9) engages with the groove (3) of lower ring (10), pressed on ring (9) comprises outer shroud (5), inner ring (4) and inclined-plane, the thickness of inner ring (4) is greater than the thickness of outer shroud (5), inner ring (4) is connected by inclined-plane (11) with outer shroud (5), the periphery (7) of pressed on ring (9) and lower ring (10) is disposed with chromium base boron carbide ceramics composite deposite (6), spongy chromium plating layer (5).
Description
Technical field
The utility model relates to the piston ring field of cylinder of internal-combustion engine, specifically provides a kind of compound piston ring of compressor.
Background technique
Hyundai Motor requires that motor has higher power, lower fuel oil consumption and longer working life, and reduces mechanical transport further to the burden of environment, and petrol engine and diesel engine manufacturers being are all constantly are being researched and developed for pursuing this target for this reason.For adapting to this engine technology developments trend, components supplying business conducts in-depth research in petrol engine and piston ring of diesel engine surface treatment.
The structure of conventional piston ring takes following several form of cut or cuts: straight cut, angular cut, overlap joint mouth.Adopt the form of straight cut or angular cut, gas is very easy to be produced by otch leak, and therefore piston ring is usually designed to a few road, however, collaborate (leakage) between cylinder and bent axle still exists, thus reduces the working efficiency of compressor.
The friction power loss of motor can produce material impact to fuel consume.And improve constantly due to the combustion efficiency of present engine, the impact of engine friction power consumption on oil consumption highlights day by day.The main source of Modern Engine friction power loss is piston assembly, comprises piston and piston ring, and piston ring principal element especially.Under the extreme condition such as motor initial stage running in stage and the motor High Temperature High Pressure when lighting a fire, lubricant film between piston ring and cylinder sleeve friction surface is difficult to effective foundation, along with improving constantly of engine flare pressure, lubricant film between piston ring-cylinder liner friction pair is set up and is become more and more difficulty, in the moment of engine operation initial stage and igniting, oil film even cannot be set up, and occurs dry friction, piston ring-cylinder liner friction pair is caused to lose efficacy, motor cisco unity malfunction.
Piston ring is stuck on piston, and the larger sealing of back pressure is better, and the volume of the size of back pressure and back pressure cavity is proportional, under the prerequisite that width is certain with area and piston ring inner ring width proportional.But the sectional shape of existing piston ring is rectangle, namely outer shroud is consistent with the width of inner ring.The back pressure produced during piston runs is less, and less back pressure gives pressure that piston ring and cylinder sleeve fit also can be less, and therefore, the sealing effect of rectangle piston ring to cylinder sleeve of prior art cross-sectional shapes is limited.
Summary of the invention
The purpose of this utility model is that providing a kind of can improve the ability to bear of piston ring counterpressure and the piston ring of anti-gas blowby.
The utility model is by the following technical solutions to achieve these goals:
A kind of compound piston ring of compressor, comprise upper ring and a lower ring, upper ring and a lower ring is provided with gap, the gap of pressed on ring and the clearance gap 30 °-180 ° of lower ring are arranged, upper circular top-surface is provided with inclined-plane, bottom surface is provided with projection, lower top surface of ring is provided with groove, the projection of pressed on ring and the engagement of lower ring, pressed on ring comprises outer shroud, inner ring and inclined-plane, the thickness of inner ring is greater than the thickness of outer shroud, and inner ring is connected by inclined-plane with outer shroud, the periphery of upper ring and a lower ring is disposed with chromium base boron carbide ceramics composite deposite, spongy chromium plating layer.
In technique scheme, described projection is annular projection.
In technique scheme, described groove is annular recess.
In technique scheme, the angle of the end face of described gap and pressed on ring and the end face of lower ring is 45 °.
In technique scheme, inner ring thicknesses is 1.5 times of the thickness of outer shroud.
In technique scheme, chromium base boron carbide ceramics thickness of multiple plating is 20 ~ 300 μm.
Because the utility model adopts technique scheme, therefore possess following beneficial effect:
One, inner ring thicknesses of the present utility model is greater than outer ring thickness, and piston ring cross section is dress in " convex ", and moving back and forth at piston ring is, connects outer shroud and the upper lower inclined plane of inner ring and the combination of inner ring and piston ring can be made can to bear larger back pressure.
Two.Employing dicyclo of the present utility model is arranged, and staggering in gap, effectively reduces the possibility of gas blowby, and the mode of concavo-convex engagement, increase the stability of upper and lower ring.
Three, the utility model adopts spongy chromium plating layer to make piston ring lubrication better effects if, and spongy chromium plating is a kind of special shape of wear-resistant chromium plating, and the surface that the obvious difference of it and general chromium plating is its chromium coating produces netted rill or the space of point-like.Object is in use store a certain amount of lubricant oil, to improve friction condition, reduces friction factor, reduces the contact of direct metal covering, therefore improves wear resistance.
Accompanying drawing explanation
Fig. 1 is piston ring sectional view of the present utility model.
Fig. 2,3 is pressed on ring stereogram of the present utility model.
Fig. 4 is lower ring stereogram of the present utility model.
Fig. 5 is the utility model overall perspective view.
Embodiment
Below the utility model is described further:
Embodiment 1
A kind of compound piston ring of compressor, comprise pressed on ring 9 and lower ring 10, pressed on ring 9 and lower ring 10 are provided with gap 8, the gap 8 of pressed on ring 9 is arranged with the clearance gap 30 °-180 ° of lower ring 10, pressed on ring 9 end face is provided with inclined-plane 1, bottom surface is provided with protruding 2, lower ring 10 end face is provided with groove 3, the projection 2 of pressed on ring 9 engages with the groove 3 of lower ring 10, pressed on ring 9 comprises outer shroud 5, inner ring 4 and inclined-plane, the thickness of inner ring 4 is greater than the thickness of outer shroud 5, inner ring 4 is connected by inclined-plane 11 with outer shroud 5, the periphery 7 of pressed on ring 9 and lower ring 10 is disposed with chromium base boron carbide ceramics composite deposite 6, spongy chromium plating layer 5.
Embodiment 2
A kind of compound piston ring of compressor, comprise pressed on ring 9 and lower ring 10, pressed on ring 9 and lower ring 10 are provided with gap 8, the gap 8 of pressed on ring 9 is arranged with the clearance gap 30 °-180 ° of lower ring 10, pressed on ring 9 end face is provided with inclined-plane 1, bottom surface is provided with protruding 2, lower ring 10 end face is provided with groove 3, the projection 2 of pressed on ring 9 engages with the groove 3 of lower ring 10, pressed on ring 9 comprises outer shroud 5, inner ring 4 and inclined-plane, the thickness of inner ring 4 is greater than the thickness of outer shroud 5, inner ring 4 is connected by inclined-plane 11 with outer shroud 5, the periphery 7 of pressed on ring 9 and lower ring 10 is disposed with chromium base boron carbide ceramics composite deposite 6, spongy chromium plating layer 5.Described protruding 2 is annular projection.Described groove 3 is annular recess.
Embodiment 3
A kind of compound piston ring of compressor, comprise pressed on ring 9 and lower ring 10, pressed on ring 9 and lower ring 10 are provided with gap 8, the gap 8 of pressed on ring 9 is arranged with the clearance gap 30 °-180 ° of lower ring 10, pressed on ring 9 end face is provided with inclined-plane 1, bottom surface is provided with protruding 2, lower ring 10 end face is provided with groove 3, the projection 2 of pressed on ring 9 engages with the groove 3 of lower ring 10, pressed on ring 9 comprises outer shroud 5, inner ring 4 and inclined-plane, the thickness of inner ring 4 is greater than the thickness of outer shroud 5, inner ring 4 is connected by inclined-plane 11 with outer shroud 5, the periphery 7 of pressed on ring 9 and lower ring 10 is disposed with chromium base boron carbide ceramics composite deposite 6, spongy chromium plating layer 5.Described protruding 2 is annular projection.Described groove 3 is annular recess.Described gap 8 is 45 ° with the angle of the end face of pressed on ring 9 and the end face of lower ring 10.
Embodiment 4
A kind of compound piston ring of compressor, comprise pressed on ring 9 and lower ring 10, pressed on ring 9 and lower ring 10 are provided with gap 8, the gap 8 of pressed on ring 9 is arranged with the clearance gap 30 °-180 ° of lower ring 10, pressed on ring 9 end face is provided with inclined-plane 1, bottom surface is provided with protruding 2, lower ring 10 end face is provided with groove 3, the projection 2 of pressed on ring 9 engages with the groove 3 of lower ring 10, pressed on ring 9 comprises outer shroud 5, inner ring 4 and inclined-plane, the thickness of inner ring 4 is greater than the thickness of outer shroud 5, inner ring 4 is connected by inclined-plane 11 with outer shroud 5, the periphery 7 of pressed on ring 9 and lower ring 10 is disposed with chromium base boron carbide ceramics composite deposite 6, spongy chromium plating layer 5.Described protruding 2 is annular projection.Described groove 3 is annular recess.Described gap 8 is 45 ° with the angle of the end face of pressed on ring 9 and the end face of lower ring 10.Inner ring 4 thickness is 1.5 times of the thickness of outer shroud 5.Chromium base boron carbide ceramics composite deposite 6 thickness is 20 ~ 300 μm.
Claims (6)
1. the compound piston ring of a compressor, it is characterized in that, comprise pressed on ring (9) and lower ring (10), pressed on ring (9) and lower ring (10) are provided with gap (8), the gap (8) of pressed on ring (9) and the clearance gap 30 °-180 ° of lower ring (10) are arranged, pressed on ring (9) end face is provided with inclined-plane (1), bottom surface is provided with projection (2), lower ring (10) end face is provided with groove (3), the projection (2) of pressed on ring (9) engages with the groove (3) of lower ring (10), pressed on ring (9) comprises outer shroud (5), inner ring (4) and inclined-plane, the thickness of inner ring (4) is greater than the thickness of outer shroud (5), inner ring (4) is connected by inclined-plane (11) with outer shroud (5), the periphery (7) of pressed on ring (9) and lower ring (10) is disposed with chromium base boron carbide ceramics composite deposite (6), spongy chromium plating layer (5).
2. the compound piston ring of a kind of compressor according to claim 1, is characterized in that, described projection (2) is annular projection.
3. the compound piston ring of a kind of compressor according to claim 2, is characterized in that, described groove (3) is annular recess.
4. the compound piston ring of a kind of compressor according to claim 1, is characterized in that, described gap (8) are 45 ° with the angle of the end face of pressed on ring (9) and the end face of lower ring (10).
5. the compound piston ring of a kind of compressor according to claim 1, is characterized in that: inner ring (4) thickness is 1.5 times of the thickness of outer shroud (5).
6. the compound piston ring of a kind of compressor according to claim 1, is characterized in that: chromium base boron carbide ceramics composite deposite (6) thickness is 20 ~ 300 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834607.5U CN204532750U (en) | 2014-12-25 | 2014-12-25 | A kind of compound piston ring of compressor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420834607.5U CN204532750U (en) | 2014-12-25 | 2014-12-25 | A kind of compound piston ring of compressor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204532750U true CN204532750U (en) | 2015-08-05 |
Family
ID=53746760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420834607.5U Expired - Fee Related CN204532750U (en) | 2014-12-25 | 2014-12-25 | A kind of compound piston ring of compressor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204532750U (en) |
-
2014
- 2014-12-25 CN CN201420834607.5U patent/CN204532750U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150805 Termination date: 20151225 |
|
| EXPY | Termination of patent right or utility model |