CN103114926A - Complementary type piston oil ring - Google Patents
Complementary type piston oil ring Download PDFInfo
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- CN103114926A CN103114926A CN2013100723627A CN201310072362A CN103114926A CN 103114926 A CN103114926 A CN 103114926A CN 2013100723627 A CN2013100723627 A CN 2013100723627A CN 201310072362 A CN201310072362 A CN 201310072362A CN 103114926 A CN103114926 A CN 103114926A
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- ring
- oil piston
- piston ring
- ring body
- complementary type
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Abstract
The invention provides an automatic complementary type piston oil ring and relates to a piston ring. The complementary type piston oil ring solves the problem that an existing oil ring is poor in sealing performance and short in service life. The complementary type piston oil ring comprises a plurality of ring bodies which can mutually combine and connect into a piston ring, wherein an opening disconnected in the circumferential direction are formed between each two abutted ring bodies, and disconnecting surfaces of a first disconnecting end and a second disconnecting end of each opening are two mutually parallel flat surfaces; each ring body comprises an upper ring body and a lower ring body, the opening direction of the upper ring body is opposite to the opening direction of the lower ring body, and an included angle A is arranged between each disconnecting surface and a radial disconnecting surface of each ring body of the piston oil ring and is an acute angle. The complementary type piston oil ring has the advantages of being capable of automatic complementing, improving sealing performance of the piston oil ring and prolonging service life of the piston oil ring, prolonging using period of the piston oil ring, and lowering using and maintaining cost of a machine. The complementary type piston oil ring is suitable for places with various metallic sealing rings, and particularly applies to a piston power device.
Description
Technical field
The present invention relates to a kind of piston ring, is a kind of oil piston ring, especially a kind of automatic mutual apotype oil piston ring.
Background technique
As everyone knows, oil piston ring is widely used on the piston of train, automobile, boats and ships, air compressor etc., and the effect of oil ring is to scrape off lubricant oil excessive on cylinder wall, and present oil piston ring great majority are all to be combined by a plurality of piston oil ring plates.Due to the elasticity of oil piston ring self, certain limiting the quantity of arranged after installing, oil piston ring outer rim and cylinder wall fit tightly, and the interface between the piston oil ring plate fits tightly.do reciprocal high-speed straight-line motion with the piston of oil piston ring in cylinder, oil piston ring is under the environment of High Temperature High Pressure, friction repeatedly between oil piston ring outer rim and cylinder wall, therefore the oil piston ring outer rim is easy to wearing and tearing, increase along with wear extent, gap between oil piston ring edge and cylinder wall can be increasing, also phase mutual friction of interface between each piston oil ring plate, also there are wearing and tearing in the joint of piston oil ring plate, it is large that the gap of these joints also can become along with the increase of wear extent, when above-mentioned gap increases to a certain degree, fuel oil and air gas mixture in cylinder will be leaked from the gap, the phenomenon of over-emitting black exhaust occurs, cause the waste of fuel and pollute environment, also may make engine power not enough, explosive force in cylinder descends, temperature raises, fuel consumption increases.
For the problems referred to above, a lot of oil piston ring manufacturer improves by manufactured materials and manufacturing process to oil piston ring, as improving wear-resisting property in the chromium plating of oil piston ring working surface, to improve the working life of oil piston ring.Although these measures have certain effect, because piston and oil piston ring are made linear reciprocating motion at a high speed under the environment of High Temperature High Pressure, add again the carbon deposit in upper cylinder, and still be very restricted the working life of the factor oil piston ring such as chemical corrosion.And often change the oil piston ring of different size, and waste time and energy, also increased user cost and the maintenance cost of machine.
Summary of the invention
To the objective of the invention is in order addressing the above problem, a kind of oil piston ring that automatically complements each other to be provided, meet the pressure compression standard of the cylinder of new motor car engine when automobile running five gigameter; So that oil piston ring can be automatically next filling mutually of wearing and tearing after being worn, to reach degree very close to each other, to improve sealability and the working life of oil piston ring, user cost and maintenance cost have been reduced.
For achieving the above object, the invention provides following technological scheme: a kind of complementary type oil piston ring, comprise that several can be connected into the ring body of oil piston ring, wherein be formed with the opening of circumferential disconnection between the ring body of two docking, the first open end of each opening and the cleaved facet of the second open end are two planes that are parallel to each other; Described ring body comprises upper ring body and lower ring body, and the opening direction of upper ring body and lower ring body is opposite, the ring body of described cleaved facet and oil piston ring radially be provided with included angle A between section and for acute angle.
The extended surface of the extended surface of the upper cleaved facet of same open end and lower cleaved facet intersects at outside ring body.
The inside and outside bi-side of above-mentioned oil piston ring all offer groove structure, radially offer the through hole that runs through inside and outside bi-side on groove structure.
The inner side surface of above-mentioned oil piston ring is provided with elastomer, and described elastomer is arranged in groove structure.
Above-mentioned elastomer is O type spring ring.
The quantity of above-mentioned ring body is at least two.
The quantity of above-mentioned ring body is three or four or five.
The present invention's beneficial effect compared to existing technology is: complementary type oil piston ring of the present invention, have advantages of automatically and complement each other, can improve sealability and the working life of oil piston ring, extend the life cycle of oil piston ring, reduce user cost and the maintenance cost of machine.
Description of drawings
Fig. 1 is the structural representation of the single oil piston ring ring body of the present invention;
Fig. 2 is the structural representation that two oil piston ring ring bodies of the present invention are combined;
Fig. 3 is the structural representation of two oil piston ring ring bodies of the present invention visible opening and open end when not yet making up;
Fig. 4 is the structural representation that two oil piston ring ring bodies of the present invention have made up visible through hole and groove;
Fig. 5 is that three oil piston ring ring bodies of the present invention and employing O type spring ring are elastomeric structural representation;
Fig. 6 is O type coil structures schematic diagram of the present invention;
Fig. 7 is that three oil piston ring ring bodies of the present invention and employing spring are elastomeric structural representation;
Fig. 8 is that three oil piston ring ring bodies of the present invention and employing arc spring lamination are elastomeric structural representation;
Fig. 9 is a kind of example structure schematic diagram in four oil piston ring ring bodies of the present invention;
Figure 10 is the structural representation that four oil piston ring ring bodies of Fig. 9 stagger mutually;
Figure 11 is the another kind of example structure schematic diagram in four oil piston ring ring bodies of the present invention.
The number in the figure implication:
The 1-ring body; The 11-upper ring body; The 12-lower ring body; The 2-opening; 3-the first open end; 4-the second open end; The 5-cleaved facet; The upper cleaved facet of 51-; Cleaved facet under 52-; The 6-groove structure; The 7-through hole; The 8-elastomer.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Following examples are used for explanation the present invention, but are not used for limiting the scope of the invention.
Embodiment one: referring to Fig. 1-shown in Figure 6, a kind of complementary type oil piston ring, comprise several ring bodies that can be connected into oil piston ring 1, wherein be formed with the opening 2 of circumferential disconnection between the ring body 1 of two docking, first open end 3 at each opening 2 places and two planes of cleaved facet 5 for being parallel to each other of the second open end 4; Described ring body 1 comprises upper ring body 11 and lower ring body 12, opening 2 opposite directions of upper ring body 11 and lower ring body 12, the ring body 1 of described cleaved facet 5 and oil piston ring radially be provided with included angle A between section and for acute angle; The extended surface of the upper cleaved facet 51 of same open end and the extended surface of lower cleaved facet 52 intersect at outside ring body 1.
Further, the inside and outside bi-side of above-mentioned oil piston ring all offer groove structure 6, and the inside and outside bi-side that radially offer the through hole 7(oil piston ring that runs through inside and outside bi-side on groove structure 6 are curved surface).
Further, the inner side surface of above-mentioned oil piston ring is provided with elastomer 8, and described elastomer 8 is arranged in groove structure 6.
Further, (effect of O type spring ring is that outwards splash outer side surface and the maintenance of cylinder wall energy that makes ring body 1 of rising of ring body 1 fitted tightly to above-mentioned elastomer 8 for O type spring ring, after wearing and tearing after a while, the surface roughness of wearing and tearing can be more and more less, and between the position that is in contact with one another, Percent of contact area is become better and better, so sealability can further improve along with the wearing and tearing of piston ring).
Further, the quantity of above-mentioned ring body 1 is at least two.
Further, the quantity of above-mentioned ring body 1 is three or four or five.
Embodiment two: shown in Figure 7, except O type spring ring changes into spring, other are all identical with embodiment one.
Embodiment three: shown in Figure 8, except O type spring ring changes into arc spring lamination, other are all identical with embodiment one.
Working principle of the present invention: in the present invention, the complementary type oil piston ring is arranged in the annular groove of piston, and after being installed on piston in cylinder, oil piston ring outer side surface and gas cylinder wall fit tightly; At oil piston ring opening 2 places (i.e. opening 2 places that form between the ring body 1 of two docking), elastic force effect due to elastomer 8 (O type spring ring, spring or arc spring lamination), the cleaved facet 5 of the first open end 3 and the cleaved facet 5 of the second open end 4 also fit tightly, so oil piston ring has good sealability.
Have the elastic force of outside expansion because elastomer 8 can make the ring body 1 that forms oil piston ring, so also can lean on the effect of elastic force to be close to all the time on cylinder wall, forever keep good sealability after the oil piston ring outer side surface is worn.
The cleaved facet 5 of oil piston ring opening 2 and the ring body 1 of oil piston ring an included angle A is radially arranged between section and for acute angle, the section of two open ends can keep fitting tightly under the effect of elastomer elastic force, even the cleaved facet 5 of docking weares and teares mutually, the phenomenon that the gap can not increase yet, cylinder also can not leak gas between the cleaved facet 5 of docking.
Between oil piston ring and cylinder wall and between the cleaved facet 5 of oil piston ring opening two docking in 2 places, after wearing and tearing after a while, the surface roughness of fray can be more and more less, and between the position that is in contact with one another, Percent of contact area is become better and better, so sealability can further improve along with the wearing and tearing of oil piston ring.
Complementary type oil piston ring of the present invention, has good automatic mutual complementary energy power, long service life (being generally more than ten times of life-span of conventional piston oil ring working life), even sizable wear extent is arranged, also can keep good sealability, thereby make motor can keep normal power, reduced the harmful gas content in the waste gas that discharges, make toxic emission up to standard.
The present invention adopts the structural representation of four ring bodies referring to Fig. 9, Figure 10 and shown in Figure 11, and the present invention adopts five ring bodies and the above structural representations of five ring bodies to omit, and therefore three ring bodies of principle and employing identical is no longer repeat specification.
The above is only the preferred embodiment of the present invention; should be understood that; for those skilled in the art; under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvement and modification, these of above-mentioned hypothesis improve and modification also should be considered as protection scope of the present invention.
Claims (7)
1. complementary type oil piston ring, it is characterized in that: comprise that several can be connected into the ring body of oil piston ring, wherein be formed with the opening of circumferential disconnection between the ring body of two docking, the first open end of each opening and the cleaved facet of the second open end are two planes that are parallel to each other; Described ring body comprises upper ring body and lower ring body, and the opening direction of upper ring body and lower ring body is opposite, the ring body of described cleaved facet and oil piston ring radially be provided with included angle A between section and for acute angle.
2. complementary type oil piston ring according to claim 1, it is characterized in that: the extended surface of the extended surface of the upper cleaved facet of same open end and lower cleaved facet intersects at outside ring body.
3. complementary type oil piston ring according to claim 1, it is characterized in that: the inside and outside bi-side of described oil piston ring all offer groove structure, radially offer the through hole that runs through inside and outside bi-side on groove structure.
4. complementary type oil piston ring according to claim 3, it is characterized in that: the inner side surface of described oil piston ring is provided with elastomer, and described elastomer is arranged in groove structure.
5. complementary type oil piston ring according to claim 4, it is characterized in that: described elastomer is O type spring ring.
6. complementary type oil piston ring according to claim 1, it is characterized in that: the quantity of described ring body is at least two.
7. complementary type oil piston ring according to claim 6, it is characterized in that: the quantity of described ring body is three or four or five.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100723627A CN103114926A (en) | 2013-03-07 | 2013-03-07 | Complementary type piston oil ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013100723627A CN103114926A (en) | 2013-03-07 | 2013-03-07 | Complementary type piston oil ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103114926A true CN103114926A (en) | 2013-05-22 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013100723627A Pending CN103114926A (en) | 2013-03-07 | 2013-03-07 | Complementary type piston oil ring |
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| CN (1) | CN103114926A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108056A (en) * | 2021-02-22 | 2021-07-13 | 安庆帝伯格茨活塞环有限公司 | Three-combination piston oil ring with constant surface pressure and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386261Y (en) * | 1999-09-03 | 2000-07-05 | 谢兴武 | Flexible metal sealing washer |
| CN201193698Y (en) * | 2008-03-25 | 2009-02-11 | 陈郁传 | Piston ring stopping in horizontal and vertical direction |
| CN101619764A (en) * | 2009-08-12 | 2010-01-06 | 车汉涛 | Joint type magnetic piston ring |
| CN102352800A (en) * | 2011-10-26 | 2012-02-15 | 李怀志 | Piston ring with long service life |
-
2013
- 2013-03-07 CN CN2013100723627A patent/CN103114926A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2386261Y (en) * | 1999-09-03 | 2000-07-05 | 谢兴武 | Flexible metal sealing washer |
| CN201193698Y (en) * | 2008-03-25 | 2009-02-11 | 陈郁传 | Piston ring stopping in horizontal and vertical direction |
| CN101619764A (en) * | 2009-08-12 | 2010-01-06 | 车汉涛 | Joint type magnetic piston ring |
| CN102352800A (en) * | 2011-10-26 | 2012-02-15 | 李怀志 | Piston ring with long service life |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113108056A (en) * | 2021-02-22 | 2021-07-13 | 安庆帝伯格茨活塞环有限公司 | Three-combination piston oil ring with constant surface pressure and preparation method thereof |
| CN113108056B (en) * | 2021-02-22 | 2023-04-11 | 安庆帝伯格茨活塞环有限公司 | Three-combination piston oil ring with constant surface pressure and preparation method thereof |
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Application publication date: 20130522 |