CN204126752U - Many rings bank complex piston ring piston assembly - Google Patents
Many rings bank complex piston ring piston assembly Download PDFInfo
- Publication number
- CN204126752U CN204126752U CN201320502841.3U CN201320502841U CN204126752U CN 204126752 U CN204126752 U CN 204126752U CN 201320502841 U CN201320502841 U CN 201320502841U CN 204126752 U CN204126752 U CN 204126752U
- Authority
- CN
- China
- Prior art keywords
- ring
- piston
- outer shroud
- compression
- groove
- Prior art date
- 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 - Lifetime
Links
Landscapes
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model belongs to the fields such as internal-combustion piston engine, compressor, reciprocating pump, relate to the piston assembly used in the device such as power and compressor, be specifically related to many rings bank complex piston ring piston assembly, comprise: piston, many rings bank Multi-part piston ring member, compression ring, oil ring.Outside piston cylinder is arranged compression and oil ring groove, the compression of piston is built with the gentle ring of many rings bank Multi-part piston ring member, piston-ring packing comprises outer shroud and inner ring, outer shroud outer peripheral surface has groove, groove opening is towards the internal face of cylinder liner, inner ring is arranged in outer shroud entity groove, and outer shroud and each fitting surface of inner ring are Spielpassung.The utility model is conducive to the force-bearing situation of the upper and lower ring bank improving outer shroud and reduces heat load, and reduce wear, outer shroud not easily lost efficacy, and protected inner ring, enhanced sealing effect, promotes the performance index of motor.Further can reduce piston compression height from design, thus reduce package size, reach material-saving, energy-conservation effect.
Description
Technical field
The utility model belongs to internal-combustion piston engine, air compressor, reciprocating pump field, relate to the piston assembly that uses in carrier vehicle, boats and ships, engineering, agriculture and forestry machinery equal power device and piston compression machinery device, be specifically related to cylinder liner with the use of many rings bank complex piston ring piston assembly.
Background technique
Piston reciprocating internal combustion engine is through the development in century more than one, and its performance index are improved largely, and up to the present internal combustion engine thermal efficiency reaches about 40%, but also has the heat loss of about 60%.
At present, energy-saving and emission-reduction appoint be so world community be the task of top priority, piston ring piston assembly is one of key components and parts of the sealability affecting internal-combustion engine.
Piston, piston ring bear high temperature, high pressure in gas in-cylinder process, at a high speed, its operating conditions is very severe, and the sealability and the loss of minimizing friction in pairs that improve piston ring are important striving directions.Wherein, piston ring quantity is reduced; Improve gap-clearance of piston rings structure shape; Change the bulbous bow profile of piston ring and cylinder liner, piston interface; Improve piston, piston ring, the material of cylinder liner, technique, lightweight; The pressure etc. that minimizing piston ring presses to cylinder inner wall face is all the effective ways reducing surface friction drag and reduce wear.
On the piston used in existing internal-combustion piston engine and air compressor, usually there are two or more compressions, in each compression of piston, usually a slice piston ring are only housed at present, have an opening on the piston ring.During this single groove single ring architecture work, there is the passage of straight-through type in the opening of piston ring and cylinder wall; Although stagger mutually in the direction of opening by each piston ring when mounted, but piston seal performance is still not good, easy gas leakage and leakage of oil, and cause the fuel consumption of internal-combustion engine and air consumption to increase, consume many energy, the tail gas of discharging causes severe contamination to environment, also the working efficiency of motor is affected to a certain extent, especially in use for some time, wear extent constantly increases, and this defect will be more obvious.
[patent documentation 1] application number: CN86100808, piston and rings;
[patent documentation 2] publication number: CN1818365A, has the piston of pressure-reducing piston ring
[patent documentation 3] publication number: CN1707144A, has the piston of piston ring groove
[patent documentation 4] Authorization Notice No. CN201106677Y, two slices of combined rings;
[patent documentation 5] ZL200920127254.4 thickness-thinness combined piston ring of internal-combustion engine;
[patent documentation 6] patent No. ZL200820047749.1 single-ring piston engine;
[patent documentation 7] Authorization Notice No. CN203009068U engine piston ring member etc.
Above patented technology has certain general character, two or three compression rings are placed in single track annular groove on piston, agent structure pattern and the existing ring of piston ring are same or similar, compared with conventional piston loop technique than the size or the path that effectively reduce leakage path all in various degree, piston ring is made to play good seal action, reduce air leakage, play and save oil consumption, increase power, reduce the effects such as pollutant emission.
[patent documentation 8] Authorization Notice No. CN201661377U piston ring and piston;
[patent documentation 9] Authorization Notice No. CN202690244U anti-gas-leak sealed piston ring;
[patent documentation 10] application number: 201280002290.2 piston rings;
[patent documentation 11] Authorization Notice No. CN201588703U piston for IC engine and piston-ring packing.
Its agent structure pattern of above patent piston ring and existing ring same or similar, difference is that the structure at piston ring joint place is different, comparatively conventional piston loop technique improves sealability than to a certain degree, reduce air leakage, play and save oil consumption, increase power, reduce the effects such as pollutant emission.
But above-mentioned [patent documentation 1 ~ 11] multiple patented technology exists: complex structure, manufacturability are not good, cost is high or axial dimension is limited, reliability decrease etc. defect.
Therefore, provide a kind of structure simple, good manufacturability, good seal performance, energy-conserving and environment-protective, working efficiency is high, and reliability much higher ring bank complex piston ring piston assembly, has comparatively vast potential for future development.
Summary of the invention
Based on the deficiency that prior art exists, the utility model provides a kind of many rings bank complex piston ring piston assembly, and object is: the sealing improving piston assembly, the stressing conditions improving piston ring, minimizing frictional loss, energy-conserving and environment-protective, reduction piston compression height, saving material, raising engine performance and functional reliability etc.
The utility model is achieved through the following technical solutions, and comprising:
1, many rings bank complex piston ring piston assembly, comprise: piston, many rings bank Multi-part piston ring member, compression ring, oil ring, described outside piston side face has compression and oil ring groove, the gentle ring of many rings bank Multi-part piston ring member is arranged in same compression that piston is arranged, each ring circumferentially has opening, time in the cylinder sleeve of loading motor, the opening of each ring staggers angled, avoids same mouth to cause straight passage.
The compression ring groove width of the more conventional piston of compression width of rebate that 2, described piston is arranged, can load multiple compression ring in it.
3, described many rings bank Multi-part piston ring member is made up of an outer shroud and at least one inner ring, and outer shroud and inner ring are provided with opening g, is arranged in compression that piston is arranged.
4, the outer peripheral surface of the outer shroud of described many rings bank Multi-part piston ring member has at least one groove, the outer peripheral surface that groove drops on outer shroud extends in the entity of outer shroud radial direction, groove opening is towards the internal face of cylinder liner, in formation, lower ring bank two ring banks or multiple ring bank, at least one annular inner portion or in all embedding or be arranged in outer shroud entity same groove, each fitting surface of outer shroud and inner ring is Spielpassung, outer shroud contacts with cylinder inner wall with the outer peripheral surface of inner ring, due to pressed on ring bank, lower ring bank is connected by entity and substantially increases the mechanical mechanics property of ring bank, heat diffusion area, improve the working environment of pressed on ring bank, improve functional reliability.The size of groove number, pressed on ring bank, lower ring bank and inner ring is specifically determined according to axial physical dimension and stressing conditions.
The external frame of the outer shroud of 5, described many rings bank Multi-part piston ring member comprises: the outer peripheral surface plane of flattening opening of upper side, downside, inner side surface, outer shroud, and what above-mentioned four elements was formed can be rectangle, trapezoidal, single side trapezoidal, barrel-shaped by the cross section external frame of outer ring axis ZC.
The groove of 6, described outer shroud comprises: the outer peripheral surface plane of flattening opening of the upper side of groove, downside, groove bottom, outer shroud, and the cross section by outer ring axis ZC that above-mentioned four elements is formed can be rectangular-shaped, the trapezoid shaped of band opening, the single side trapezoidal shape of band opening of band opening.
7, described inner ring can be rectangular ring, keystone ring, taper-face ring, bucket face ring, positive distortion inscribe ring, anti-twist taper-face ring, inner ring is arranged in outer shroud groove, the inner surface configuration of groove and the matching form of above-mentioned respective rings close, the outer peripheral surface of inner ring coordinates with cylinder liner internal wall face, and the external frame of compression ring and outer shroud adapts and is arranged in compression.The ring of various types differs from one another, and specifically needs to select the inner ring of different types to meet corresponding requirements according to designing requirement, technological requirement, cost control etc.
[the utility model beneficial effect]
Usually, it is large that the top compression ring close to piston top bears gas pressure, and heat load is large, poor lubrication, easily lost efficacy, and the utility model many rings bank complex piston ring piston assembly is by the improvement of said structure, the stressing conditions being conducive to each ring improves, and outer shroud not easily lost efficacy, and also protected inner ring, reduce wearing and tearing, improve sealing, increase power, improve performance index, extend the operating life of cylinder liner, piston, Piston Ring, reduce operating cost; The utility model can reduce the compression height of piston simultaneously, thus directly reduces machine shape size in design, reaches material-saving, energy-conservation effect.
Accompanying drawing explanation
Claims are not limited to illustrated example, but by All aspects of can be recognized preferably to the discussion of various example.Referring to accompanying drawing, illustrate in detail illustrative embodiment.Although all figure present embodiment, figure may not draw in proportion, and some feature can be exaggerated expression, as piston ring matching gap, piston ring gap etc., so that the novel aspects of description and interpretation embodiment better.
Embodiment as herein described is not intended as detailed, is not restricted to or is constrained in the precise forms and configuration that disclose shown in all figure and in following mode of execution.By describing one exemplary embodiment of the present utility model in detail referring to following all figure:
Fig. 1 is existing piston stereogram;
Fig. 2 is existing piston ring piston assembly partial sectional view;
Fig. 3 is the utility model many rings bank complex piston ring piston assembly three-dimensional cutaway view;
Fig. 4 is the utility model many rings bank complex piston ring piston assembly partial sectional view;
Fig. 5 is the utility model piston three-dimensional cutaway view;
Fig. 6 is the utility model many rings bank Multi-part piston ring member stereogram;
Fig. 7 is the A-A sectional view that the utility model many rings bank Multi-part piston ring member Watch with magnifier shows;
Fig. 8 is the utility model many rings bank Multi-part piston ring member outer shroud stereogram;
Fig. 9 is that the utility model many rings bank Multi-part piston ring member outer shroud amplifies the B-B sectional view represented;
Figure 10 is the utility model many rings bank Multi-part piston ring member inner ring stereogram;
Figure 11 is the utility model compression ring stereogram;
Embodiment
Hereinafter, with reference to the accompanying drawings of the utility model many rings bank complex piston ring piston assembly.
With reference to Fig. 1 ~ 2, existing piston ring correlation technique is described, Fig. 1 is existing piston stereogram, Fig. 2 is existing piston ring piston assembly partial sectional view, available engine (internal-combustion engine) the piston A0 that commonly uses top compression ring groove A1, second gas ring groove A2, the 3rd road compression A3, one oil ring A4 are set usually, also have arrange two road compression rings with together with oil ring situation.Compression ring A1 ~ A3 mainly contains has more than six kinds basic model compression rings at least, and they are rectangular ring, keystone ring, taper-face ring, bucket face ring, positive distortion inscribe ring, anti-twist taper-face ring.Existing compression ring and oil ring are provided with opening on cylndrical surface, gap is g, for reducing air leakage, 2 ~ 3 road compression rings are installed usually: first gas ring A10, second gas ring A20, the 3rd compression ring A30, additional one oil ring A40, piston assembly is when being mounted in cylinder liner, each ring opening staggers several angle, avoids the formation of gas straight route.
With reference to Fig. 3 ~ 5, many rings bank complex piston ring piston assembly P1 is described, Fig. 3 is the utility model many rings bank complex piston ring piston assembly three-dimensional cutaway view (oil ring 30 is not shown in FIG.), Fig. 4 is the utility model many rings bank complex piston ring piston assembly partial sectional view, Fig. 5 is the utility model piston three-dimensional cutaway view, the utility model many rings bank complex piston ring piston assembly P1, different from traditional piston assembly P0 structure, piston 1 is provided with compression ring 2 and oil ring groove 3, the compression ring groove width of the more conventional piston of compression width of rebate, multiple compression ring can be loaded in it, many rings bank Multi-part piston ring member 20 and compression ring 21 are arranged in the same compression 2 of setting on piston 1, oil ring 30 is installed in oil ring groove 3, piston assembly is when being mounted in cylinder liner, each ring opening staggers several angle, avoid the formation of gas straight route.
With reference to Fig. 6 ~ 9, many rings bank Multi-part piston ring member 20 is described, Fig. 6 is the utility model many rings bank Multi-part piston ring member stereogram, Fig. 7 is the A-A sectional view that the utility model many rings bank Multi-part piston ring member Watch with magnifier shows, Fig. 8 is the utility model many rings bank Multi-part piston ring member outer shroud stereogram, Fig. 9 is that the utility model many rings bank Multi-part piston ring member outer shroud amplifies the B-B sectional view represented, in figure, many rings bank Multi-part piston ring member 20 is made up of outer shroud 201 and inner ring 202, inner ring 202 is partly or entirely embedded in the groove 2011 on outer shroud 201 entity, both coordinate for Spielpassung, opening g gap is suitable, meet usage requirement, a groove 2011 is had in outer shroud 201 entity, an inner ring 202 is installed and forms many rings bank Multi-part piston ring member 20, when assembly 20 is installed in the cylinder sleeve of motor, inner ring 202 and outer shroud 201 opening g stagger several angle, as 180.Deng.As can be seen from Figure 7, the cross section of an inner ring 202 is included in outer shroud 201 cross section, and gap is suitable, and the gap of three sides is that g1 is greater than 0;
With reference to Fig. 8 ~ 9, the entity structure of outer shroud 201 is described, outer shroud 201 main body by: upper side 2015, outer peripheral surface 2010 and the plane of flattening, groove 2011 and internal surface thereof, downside 2017, inner side surface 2016 are formed, outer shroud 201 main body is provided with opening g, gap is g, the external frame of outer shroud 201 comprises: outer peripheral surface 2010 plane of flattening opening of upper side 2015, downside 2017, inner side surface 2016, outer shroud 201, and what above-mentioned four elements was formed can be rectangle, trapezoidal, single side trapezoidal, barrel-shaped by the cross section external frame of outer shroud 201 axis ZC.The groove 2011 of outer shroud 201 comprises: outer peripheral surface 2010 plane of flattening opening of the upper side 2012 of groove 2011, downside 2013, groove bottom 2014, outer shroud 201, rectangular-shaped, the trapezoid shaped of band opening, the single side trapezoidal shape of band opening of what above-mentioned four elements was formed by the cross section of outer shroud 201 axis ZC can be band opening.
With reference to Figure 10 ~ 11, the structural type of inner ring 202 and compression ring 21 is described, inner ring 202 and compression ring 21 be circumferentially equipped with opening g, inner ring 202 can be rectangular ring, keystone ring, taper-face ring, bucket face ring, positive distortion inscribe ring, anti-twist taper-face ring, inner ring 202 is arranged in outer shroud 201 groove 2011, the inner surface configuration of groove 2011 and the matching form of above-mentioned respective rings close, the outer peripheral surface of inner ring 202 coordinates with cylinder liner internal wall face, and compression ring 21 adapts with the external frame of outer shroud 201 and is arranged in compression 2.
The utility model many rings bank complex piston ring piston assembly P1, different from traditional piston assembly P0 structure, change the structural type of top compression ring outer shroud 201, its operating conditions such as mechanical mechanics property and radiating condition is improved, be not easy because thermodynamics factor makes it to lose efficacy, jeopardize inner ring 202, protect inner ring 202, therefore inner ring 202 works more reliable, life-span is longer, like this, many rings bank complex piston ring piston assembly P1 improves sealability, can more effectively prevent gas through piston, Piston volume tube leaks in crankcase, thus raising engine performance.
According to actual conditions, can on piston under first annular groove, second annular groove, the 3rd road annular groove etc. many rings bank Multi-part piston ring member 20 and compression ring 21 are installed respectively, effect is better.
In addition, the utility model is not defined as above-mentioned mode of execution, suitably the combination of above-mentioned mode of execution can be implemented as required, or suitably above-mentioned mode of execution can be carried out being out of shape or changing enforcement as required.
In addition, piston ring of the present utility model, except being normally used as first ring, also can use in the second ring and later piston ring.
In addition, in the above-described embodiment, list and be formed with the piston 9 of two compressions as a concrete example along short transverse, but piston of the present utility model is not defined in this, also can be suitable for the piston of the annular groove being formed with, two, more than three along short transverse.
Claims (8)
1. more than ring bank complex piston ring piston assembly (P1), comprise: piston (1), many rings bank Multi-part piston ring member (20), compression ring (21), oil ring (30), it is characterized in that: described piston (1) outer peripheral surface (11) has compression (2) and oil ring groove (3), many rings bank Multi-part piston ring member (20) and compression ring (21) are arranged in the upper same compression (2) arranged of piston (1), and time in the cylinder sleeve of loading motor, the opening of each ring staggers angled.
2. many rings bank complex piston ring piston assembly (P1) according to claim 1, it is characterized in that: the compression ring groove width of the upper more conventional piston of compression (2) width of rebate arranged of described piston (1), can load multiple compression ring in it.
3. many rings bank complex piston ring piston assembly (P1) according to claim 1, it is characterized in that: described many rings bank Multi-part piston ring member (20) is made up of an outer shroud (201) and at least one inner ring (202), outer shroud (201) and inner ring (202) are provided with opening (g), are arranged in the upper compression (2) arranged of piston (1).
4. many rings bank complex piston ring piston assembly (P1) according to claim 1 or 3, it is characterized in that: the outer peripheral surface (2010) of the outer shroud (201) of described many rings bank Multi-part piston ring member (20) has at least one groove (2011), in formation, lower two ring banks or multiple ring bank, the outer peripheral surface (2010) that groove (2011) drops on outer shroud (201) is gone up and extends in the entity of outer shroud (201) radial direction, groove (2011) opening is towards the internal face of cylinder liner, at least one inner ring (202) partly or entirely embeds or is arranged in the same groove (2011) in outer shroud (201) entity, each fitting surface of outer shroud (201) and inner ring (202) is Spielpassung, outer shroud (201) contacts with cylinder inner wall with the outer peripheral surface of inner ring (202).
5. many rings bank complex piston ring piston assembly (P1) according to claim 3, it is characterized in that: the external frame of the outer shroud (201) of described many rings bank Multi-part piston ring member (20) comprising: outer peripheral surface (2010) plane of flattening opening of upper side (2015), downside (2017), inner peripheral surface (2016), outer shroud (201), what above-mentioned four elements was formed can be rectangle, trapezoidal, single side trapezoidal, barrel-shaped by the cross section external frame of outer shroud (201) axis ZC.
6. many rings bank complex piston ring piston assembly (P1) according to claim 3, it is characterized in that: the groove (2011) of described outer shroud (201) comprising: outer peripheral surface (2010) plane of flattening opening of the upper side (2012) of groove (2011), downside (2013), groove bottom (2014), outer shroud (201), rectangular-shaped, the trapezoid shaped of band opening, the single side trapezoidal shape of band opening of what above-mentioned four elements was formed by the cross section of outer shroud (201) axis ZC can be band opening.
7. many rings bank complex piston ring piston assembly (P1) according to claim 3, it is characterized in that: described inner ring (202) can be rectangular ring, keystone ring, taper-face ring, bucket face ring, positive distortion inscribe ring, anti-twist taper-face ring, inner ring (202) is arranged in outer shroud (201) groove (2011), the inner surface configuration of groove (2011) and the matching form of above-mentioned respective rings close, the outer peripheral surface of inner ring (202) and compression ring (21) coordinates with cylinder liner internal wall face, compression ring (21) adapts with the external frame of outer shroud (201) and is arranged in compression (2).
8. more than ring bank complex piston ring piston assembly (P1), possesses the piston ring according to any one of claim 1 ~ 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502841.3U CN204126752U (en) | 2013-08-19 | 2013-08-19 | Many rings bank complex piston ring piston assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320502841.3U CN204126752U (en) | 2013-08-19 | 2013-08-19 | Many rings bank complex piston ring piston assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204126752U true CN204126752U (en) | 2015-01-28 |
Family
ID=52383115
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320502841.3U Expired - Lifetime CN204126752U (en) | 2013-08-19 | 2013-08-19 | Many rings bank complex piston ring piston assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204126752U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410629A (en) * | 2013-08-19 | 2013-11-27 | 邓国峰 | Piston assembly of multi-ring-land composite piston ring |
-
2013
- 2013-08-19 CN CN201320502841.3U patent/CN204126752U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103410629A (en) * | 2013-08-19 | 2013-11-27 | 邓国峰 | Piston assembly of multi-ring-land composite piston ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105518356A (en) | Piston ring | |
| JP2005226522A (en) | Piston device for internal combustion engine | |
| CN204126752U (en) | Many rings bank complex piston ring piston assembly | |
| CN103410629A (en) | Piston assembly of multi-ring-land composite piston ring | |
| CN202690242U (en) | Piston ring shore structure and engine piston provided with same | |
| RU2282739C1 (en) | Piston sealing for internal combustion engine | |
| CN101010492A (en) | Sealing of port in rotary valve | |
| CN204783306U (en) | Piston structure | |
| CN103362683A (en) | Multi-ring-land composite type piston ring and assembly | |
| CN2906092Y (en) | Sealed piston ring | |
| WO2009138838A1 (en) | A single-ring piston ring and sealing method thereof | |
| CN205064111U (en) | L type multipiece ring for internal -combustion engine | |
| RU2412367C1 (en) | Piston seal for internal combustion engine | |
| CN201144738Y (en) | Piston and piston ring assembly | |
| CN106286002A (en) | A kind of internal combustion engine L-type multipiece ring | |
| CN203614252U (en) | Fence type cylinder cover for high-speed marine diesel engine | |
| CN200978733Y (en) | Self-adjusting complementary piston ring | |
| RU92105U1 (en) | PISTON SEAL FOR INTERNAL COMBUSTION ENGINE | |
| CN103758654B (en) | Diesel engine fence type cylinder cover for high-speed ship | |
| CN207131500U (en) | A kind of novel belt supports high-intensity sealing pad | |
| CN208950721U (en) | A kind of compression ring | |
| CN212958885U (en) | Engine piston | |
| CN102966433A (en) | Opposed internal-combustion engine system with guide balls | |
| CN204299718U (en) | A kind of diesel engine | |
| CN201103488Y (en) | Piston for IC engine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20150128 |
|
| CX01 | Expiry of patent term |