CN101029609A - Oblique-connected sealer gas-ring combination of piston ring - Google Patents
Oblique-connected sealer gas-ring combination of piston ring Download PDFInfo
- Publication number
- CN101029609A CN101029609A CN 200710078332 CN200710078332A CN101029609A CN 101029609 A CN101029609 A CN 101029609A CN 200710078332 CN200710078332 CN 200710078332 CN 200710078332 A CN200710078332 A CN 200710078332A CN 101029609 A CN101029609 A CN 101029609A
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- Prior art keywords
- ring
- oblique
- piston
- grooving
- font
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- 238000007906 compression Methods 0.000 claims abstract description 51
- 230000006835 compression Effects 0.000 claims abstract description 48
- 238000005520 cutting process Methods 0.000 claims abstract description 36
- 238000012856 packing Methods 0.000 claims description 5
- 238000007789 sealing Methods 0.000 abstract description 9
- 238000004880 explosion Methods 0.000 abstract description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052799 carbon Inorganic materials 0.000 abstract description 3
- 239000007789 gas Substances 0.000 description 39
- 238000002485 combustion reaction Methods 0.000 description 9
- 230000000903 blocking effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 238000011109 contamination Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 239000000314 lubricant Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002028 premature Effects 0.000 description 3
- 239000000567 combustion gas Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000004308 accommodation Effects 0.000 description 1
- 210000004556 brain Anatomy 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000002788 crimping Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
This invention assembles the oblique cutting seal and sealing gaseous ring of the piston ring includes two elastic gaseous rings with openings, two oblique-cutting connected cap liners. The opening part of each gaseous ring has sidelong initial cut. These two cap liners each connects closely with the port of the initial cut. The extrusive sidelong sealing cut can successfully insert into the initial cut of the other side. From the side elevation of the openings the corresponding sidelong cut of the two rings looks like the Chinese character 'ba'. The sidelong sealing initial cut inserts from the body surface thoroughly into the top circle sideline at the bottom. Fixing the assemble of the sealing gaseous ring of the oblique cutting seal of the piston ring in a traditional way can not only seal the air leakage from axial and radial direction at the opening part of the piston ring, but can also turn back the high-temperature gas and lower the temperature of piston when the piston comes back after the burning explosion, these serve to save the oil consumption, strengthen the power, improve the compression ratio, reduce the noise carbon and pollution.
Description
Technical field
The present invention relates to a kind of piston gas ring sealing device of combustion engine, specifically, relate to a kind of piston ring oblique-connected sealer gas ring combination of combustion engine.
Background technique
At present, have three road piston ring grooves on the skirt section of internal combustion engine usually, be used to install the piston ring of sealed cylinder block mesohigh combustion gas, a piston ring is installed in the per pass annular groove.Down be respectively one compression ring, two road compression rings, combined oil ring from piston head generally, one compression ring and two road compression ring stack mountings are got up to form the mazy type leakage path and are used for high-pressure gas in the packed-piston cylinder.The piston ring packing compression ring is the elastic force ring that opening is arranged, and leakage path mainly is the axial gas leakage at ring end opening place and leakage path radially; Lean on the elastic force of piston ring that the size of ring cylindrical end face and casing wall applying tightness is decided as for the gas leakage of the slit between ring cylindrical end face and cylinder wall, any type of piston ring packing compression ring all can not be avoided fully.
Around reducing main gas leakage---the axial gas leakage at piston ring packing compression ring end opening place and the problem of radially leaking gas, this over more than 100 years people racked brains and try every possible means and all do not have too big change.Present improvement technology, mostly concentrate in the material of ring body and the surface treatment and make the little and good aspect of wear-resisting property of its thermal distortion, problem to the main axial gas leakage at compression ring end opening place and radially gas leakage is the mode of seal plate to be installed by the joint form at change compression ring end opening place or at compression ring end opening place and to have made up sealing, through practice test, change the joint form at ring end opening place owing to be subjected to the restriction of processing conditions to cause the not enough or very difficult greatly Industry Promotion of manufacture difficulty of overlapping lap length, so mainly adopt at compression ring end opening place grooving at present, the mode of seal plate is installed comes seal gas ring leakage path problem.
In the piston ring compression ring structure of seal plate is installed, in the prior art, as: the disclosed technology of patent ZL94230842.5, adopt to be straight seal plate come on the packed-piston ring structure to be better than tradition in the vertical gas leakage and to encircle blocking with the form of piston ring compression ring combination, but the side direction leakage path has extended, and is poorer than tradition ring effect; ZL03233795.7 also is that what to adopt is that straight seal plate comes sealed piston ring with the form of piston ring compression ring combination, block aspect the side direction gas leakage not worse than traditional, but block aspect the vertical leakage path good unlike tradition; From patent ZL200630010801.2, in the disclosed picture as can be seen, what piston ring adopted is the oblique cutting seal plate, but because the oblique cutting seal plate of ring end opening is the high outside and low outside funnel-shaped structure of taking, in compression process, high pressure mixing combustion gas meeting is quickened to enter from bell mouth along tilting seal plate, moreover its oblique cutting seal plate circle facade in ring is not inserted into the bottom surface of ring, the high pressure air that enters from bell mouth is known from experience to miss below seal plate and is entered among the next same circulation, the high-temperature gas that burns in the time of can not blocking combustion explosion back piston rollback seals in downwards, cause lubricant oil premature contamination and inefficacy, still can not thoroughly effectively solve axially and sealing problem radially.
Summary of the invention
The technical problem to be solved in the present invention provides a kind of excellent sealing performance that both had, the high-temperature gas that burns in the time of blocking combustion explosion back piston rollback again seals in crankcase downwards, avoids the novel oblique cutting of lubricant oil premature contamination and inefficacy to seal the combination of piston seal compression ring.
In order to solve the problems of the technologies described above, piston ring oblique-connected sealer gas ring combination of the present invention comprises the flexible twice compression ring ring body that has opening, two seal plates that oblique cutting connects, there is oblique grooving both sides, per pass compression ring end opening place, these two seal plates respectively with per pass compression ring end opening place wherein the grooving of an end closely be connected, the oblique seal plate of its protrusion can insert in the grooving of the other end smoothly, wherein, the ring end opening place of piston ring packing compression ring, from the opening side facade, the corresponding grooving of bipassage ring homonymy is a groove, be " eight " font, the oblique cutting seal plate is from the logical cylindrical sideline that is inserted into the ring bottom surface of ring body surface.
Further, limit the shape of described " eight " font grooving, from the opening side facade, the corresponding grooving of bipassage ring homonymy is " eight " font grooving in groove is.
Further, limit the shape of described " eight " font grooving, from the opening side facade, the corresponding grooving of bipassage ring homonymy is that groove is outer " eight " font grooving.
Further, limit the oblique notch width of opening both sides, and limit the concrete groove that seal plate is installed, make the oblique notch width difference of described per pass compression ring end opening both sides, the oblique cutting seal plate is connected in the little groove of well width.
Further, limit the initial particular location of " eight " font grooving and the particular location of termination, specifically be defined as from the opening side facade, an end of described " eight " font grooving on one of them surface of ring, the other end the outer facade of ring with encircle on another surperficial intersection.
Further limit the initial particular location of " eight " font grooving and the particular location of termination, from the opening side facade, one end of described " eight " font grooving at one of them lip-deep ring inner circle-line of ring in 1/2 scope of ring cylindrical line direction, ring width, the other end the outer facade of ring with encircle on another surperficial intersection.
By cutting groove and seal plate be installed the ring end opening place of the top compression ring and the second road compression ring being oblique, and the homonymy grooving direction of bipassage ring is the structure of " eight " font mode stack mounting twice compression ring, the big problem that under the condition that only increases a spot of cost, both can solve the axial gas leakage of piston ring and radially leak gas, the high-temperature gas that burns in the time of can blocking combustion explosion back piston rollback again seals in downwards, reduce the temperature of piston, finally played the function of saving oil consumption, increase power, raising compression ratio, reducing noise, minimizing carbon distribution and environmental pollution.
Description of drawings
The present invention is further detailed explanation below in conjunction with the drawings and specific embodiments:
Fig. 1 is the schematic perspective view behind top compression ring 1 and the second road compression ring, 2 groovings;
Fig. 2 is the floor map after top compression ring 1 is installed seal plate 3;
Fig. 3 is an A1-A1 rotation enlarged view among Fig. 2;
Fig. 4 is a B1-B1 rotation enlarged view among Fig. 2;
Fig. 5 is the floor map after the second road compression ring 2 is installed seal plate 4;
Fig. 6 is an A2-A2 rotation enlarged view among Fig. 5;
Fig. 7 is a B2-B2 rotation enlarged view among Fig. 5;
Fig. 8 is that cut sth. askew groove and seal plate of the correspondence of twice multiple-piece piston-ring is interior " eight " shaped sections view;
Fig. 9 is that cut sth. askew groove and seal plate of the correspondence of twice multiple-piece piston-ring is outer " eight " shaped sections view;
Figure 10 is in compression process, and cut sth. askew groove and corresponding seal plate of the correspondence of twice multiple-piece piston-ring is interior " eight " shaped sections view;
Figure 11 is behind combustion explosion, and in the piston back off procedure, cut sth. askew groove and corresponding seal plate of the correspondence of twice multiple-piece piston-ring is interior " eight " shaped sections view;
Figure 12 is in compression process, and cut sth. askew groove and corresponding seal plate of the correspondence of twice multiple-piece piston-ring is outer " eight " shaped sections view;
Figure 13 is behind combustion explosion, and in the piston back off procedure, cut sth. askew groove and corresponding seal plate of the correspondence of twice multiple-piece piston-ring is outer " eight " shaped sections view;
Embodiment
The technological scheme of the optimization that the present invention adopts at first as shown in Figure 1, ring end opening both sides at former traditional top compression ring 1 that encircles cut out two logical grooves 11,12 of cutting sth. askew that width is different respectively, from the opening side facade, the direction of the logical groove 11,12 of cutting sth. askew is to cut from the upper surface facade inferior horn outside ring that encircles circle in the end opening, one end of the logical groove of cutting sth. askew the ring upper surface, from inner circle-line in 1/2 scope of cylindrical line direction, ring width, the other end is on the outer facade of ring and the intersection that encircles lower surface.The second road compression ring, 2 ring end opening both sides at former tradition ring cut out two logical skewed slots 21,22 that width is different respectively, from the opening side facade, the direction of the logical groove 21,22 of cutting sth. askew be the lower surface of circle in the ring end opening outside ring on the facade angle cut, one end of the logical groove of cutting sth. askew the ring lower surface, from inner circle-line in 1/2 scope of cylindrical line direction, ring width, the other end is on the outer facade of ring and the intersection that encircles upper surface.
Fig. 2, Fig. 3, shown in Figure 4 for another example, one end of seal plate 3 is packed in the little groove 11 of top compression ring end opening width, closely connect, Placement can adopt welding, boring riveted joint, crimping, bonding, joggle all can, make the part that oblique seal plate 3 protrudes can insert the other end grooving 12 smoothly; Equally, pack in the little groove 22 of the second road compression ring, 2 opening width as Fig. 5, Fig. 6, the end with seal plate 4 shown in Figure 7, closely connect, make the part that oblique seal plate 4 protrudes to insert the other end grooving 21 smoothly, at last with the seal gas ring stack mounting of this oblique cutting seal plate in the corresponding piston annular groove, high-pressure gas is sealed.The combination of the seal gas ring of this oblique cutting seal plate, after the installation, as shown in Figure 8, from the opening side facade, the correspondence of the twice multiple-piece piston-ring groove of cutting sth. askew is interior " eight " font, seal plate 3,4 is also corresponding become in " eight " font; Also can be as shown in Figure 9, from the opening side facade, the correspondence of the twice multiple-piece piston-ring groove of cutting sth. askew be outer " eight " font, and seal plate 3,4 is also corresponding to become outer " eight " font.
At as shown in figure 10 piston 6 relative cylinder sleeves 5 in air-breathing and compression stroke, from the opening side facade, the groove of cutting sth. askew of twice piston in combination compression ring 1,2 correspondences is interior " eight " font, seal plate 3,4 is also corresponding become in during the state of " eight " font, piston gas ring 1,2 is subjected to the effect of high pressure mixing gas together with seal plate 3,4, the following acies of being close to piston ring groove, because the corresponding grooving of bipassage ring is the groove of cutting sth. askew, the logical bottom surface that is inserted into ring of oblique cutting seal plate can be blocked high pressure mixing gas comprehensively and leak gas downwards; In piston 6 relative cylinder sleeve 5 actings and exhaust stroke as shown in figure 11, from the opening side facade, the groove of cutting sth. askew of twice piston in combination compression ring 1,2 correspondences is interior " eight " font, seal plate 3,4 is also corresponding become in during the state of " eight " font, piston gas ring 1,2 is close to the top acies of piston ring groove together with seal plate 3,4, because the corresponding grooving of bipassage ring is the groove of cutting sth. askew, the logical bottom surface that is inserted into ring of oblique cutting seal plate also can be blocked high-pressure gas comprehensively and leak gas downwards; Same reason, at as shown in figure 12 piston 6 relative cylinder sleeves 5 in air-breathing and compression stroke, from the opening side facade, the groove of cutting sth. askew of twice piston in combination compression ring 1,2 correspondences is outer " eight " font, seal plate 3,4 is also corresponding when becoming the state of outer " eight " font, piston gas ring 1,2 is subjected to the effect of high pressure mixing gas together with seal plate 3,4, the following acies of being close to piston ring groove, because the corresponding grooving of bipassage ring is the groove of cutting sth. askew, the logical bottom surface that is inserted into ring of oblique cutting seal plate can be blocked high pressure mixing gas comprehensively and leak gas downwards; In piston 6 relative cylinder sleeve 5 actings and exhaust stroke as shown in figure 13, from the opening side facade, the groove of cutting sth. askew of twice piston in combination compression ring 1,2 correspondences is outer " eight " font, seal plate 3,4 is also corresponding when becoming the state of outer " eight " font, piston gas ring 1,2 is close to the top acies of piston ring groove together with seal plate 3,4, because the corresponding grooving of bipassage ring is the groove of cutting sth. askew, the logical bottom surface that is inserted into ring of oblique cutting seal plate can be blocked high-pressure gas and leak gas downwards.
Seal the combination of piston seal compression ring with such oblique cutting, excellent sealing performance is not only arranged, the high-temperature gas that burns in the time of can also blocking combustion explosion back piston rollback seals in downwards, avoid lubricant oil premature contamination and inefficacy, can reduce the temperature of piston, finally play the function of saving oil consumption, increase power, raising compression ratio, reducing noise, minimizing carbon distribution and environmental pollution.
Particularly suitable ring height of the present invention can not divide to be made two piston ring and is the piston ring of special shape to most of cross section.In today of laser technique and the continuous expansion of function, this processing mode is feasible, and accommodation extremely extensively can be used the piston ring of any section form, cost is low effective, thereby the two way sealed performance of assurance piston gas ring that can be stable and optimization manufacturing process are convenient to produce in enormous quantities.
As a same reason, no matter the cross section of existing conventional one-piece piston ring is that " rectangle ", " trapezoidal " or " special shape " all can be adopted the present principles manufacturing.To the piston ring of the above compression ring of twice is arranged, can adopt vertically the seal plate form of middle compression ring seal, side direction is sealed or oblique any mode or open-ended such as seal, but first road must be " eight " font with the cross section of last seal plate.Should be pointed out that for a person skilled in the art under the prerequisite that does not break away from structure of the present invention, can also make some distortion and improvement, these also should be considered as protection scope of the present invention.
Claims (6)
1, the combination of piston ring oblique-connected sealer gas ring comprises the flexible twice compression ring ring body that has opening, two seal plates that oblique cutting connects, there is oblique grooving both sides, per pass compression ring end opening place, these two seal plates respectively with per pass compression ring end opening place wherein the grooving of an end closely be connected, the oblique seal plate of its protrusion can insert in the grooving of the other end, it is characterized in that, the ring end opening place of piston ring packing compression ring, from the opening side facade, the corresponding grooving of bipassage ring homonymy is a groove, be " eight " font, the oblique cutting seal plate is from the logical cylindrical sideline that is inserted into the ring bottom surface of ring body surface.
2, piston ring oblique-connected sealer gas ring combination according to claim 1 is characterized in that described " eight " font grooving is interior " eight " font grooving.
3, piston ring oblique-connected sealer gas ring combination according to claim 1 is characterized in that, described " eight " font grooving is outer " eight " font grooving.
4, piston ring oblique-connected sealer gas ring combination according to claim 1 is characterized in that, the oblique notch width difference of described per pass compression ring end opening both sides, and the oblique cutting seal plate is connected in the little groove of well width.
5, piston ring oblique-connected sealer gas ring combination according to claim 1, it is characterized in that, from the opening side facade, an end of described " eight " font grooving on one of them surface of ring, the other end the outer facade of ring with encircle on another surperficial intersection.
6, piston ring oblique-connected sealer gas ring combination according to claim 1 or 5, it is characterized in that, from the opening side facade, one end of described " eight " font grooving at one of them lip-deep ring inner circle-line of ring in 1/2 scope of ring cylindrical line direction, ring width, the other end the outer facade of ring with encircle on another surperficial intersection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100783321A CN100447396C (en) | 2007-03-27 | 2007-03-27 | Oblique-connected sealer gas-ring combination of piston ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2007100783321A CN100447396C (en) | 2007-03-27 | 2007-03-27 | Oblique-connected sealer gas-ring combination of piston ring |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101029609A true CN101029609A (en) | 2007-09-05 |
| CN100447396C CN100447396C (en) | 2008-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2007100783321A Expired - Fee Related CN100447396C (en) | 2007-03-27 | 2007-03-27 | Oblique-connected sealer gas-ring combination of piston ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100447396C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813035A (en) * | 2010-03-13 | 2010-08-25 | 戴旭尧 | Long-service life high-efficiency low-carbon piston ring |
| RU2796224C1 (en) * | 2022-06-14 | 2023-05-18 | Ловяго Владимир Николаевич | Piston seal for internal combustion engines |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381795Y (en) * | 1999-04-20 | 2000-06-07 | 唐为民 | Crossed assembling piston ring |
| CN2530051Y (en) * | 2001-10-10 | 2003-01-08 | 叶福富 | Internally expanded piston ring type piston assembly |
| FR2875273B1 (en) * | 2004-09-16 | 2009-02-06 | Peugeot Citroen Automobiles Sa | PISTON HAVING A SHUTTER MEANS AND ENGINE COMPRISING SUCH A PISTON |
| CN201003605Y (en) * | 2007-01-31 | 2008-01-09 | 何俊明 | Piston ring slantly inserted seal pressure ring combination |
-
2007
- 2007-03-27 CN CNB2007100783321A patent/CN100447396C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101813035A (en) * | 2010-03-13 | 2010-08-25 | 戴旭尧 | Long-service life high-efficiency low-carbon piston ring |
| RU2796224C1 (en) * | 2022-06-14 | 2023-05-18 | Ловяго Владимир Николаевич | Piston seal for internal combustion engines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100447396C (en) | 2008-12-31 |
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| SE01 | Entry into force of request for substantive examination | ||
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Granted publication date: 20081231 Termination date: 20130327 |