CN204283637U - Pattern drag reduction structures, motor and automobile - Google Patents
Pattern drag reduction structures, motor and automobile Download PDFInfo
- Publication number
- CN204283637U CN204283637U CN201420703135.XU CN201420703135U CN204283637U CN 204283637 U CN204283637 U CN 204283637U CN 201420703135 U CN201420703135 U CN 201420703135U CN 204283637 U CN204283637 U CN 204283637U
- Authority
- CN
- China
- Prior art keywords
- pattern
- drag reduction
- motor
- microflute
- reduction structures
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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
Links
- 238000005461 lubrication Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 abstract description 8
- 239000003921 oil Substances 0.000 description 12
- 238000010586 diagram Methods 0.000 description 2
- 238000010304 firing Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 239000010721 machine oil Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Landscapes
- Sliding-Contact Bearings (AREA)
- Pistons, Piston Rings, And Cylinders (AREA)
Abstract
The utility model provides a kind of pattern drag reduction structures, motor and automobile.This pattern drag reduction structures is by arranging multiple microflute pattern on inboard wall of cylinder block surface, each described microflute pattern is 40 ° ~ 45 ° in the scope of the distribution angle on described inboard wall of cylinder block surface, the dynamic pressure bearing capacity of described microflute pattern to average oil film is larger, lubrication effect between cylinder body and piston ring is obviously strengthened, reduce the frictional force between casing wall and piston ring, reduce oil consumption, thus improve the working efficiency of motor.
Description
Technical field
The utility model relates to auto parts and components field, particularly relates to a kind of pattern drag reduction structures, motor and automobile.
Background technique
Cylinder sleeve is set in the cylinder barrel of cylinder body, for jointly forming firing chamber with piston and cylinder cap, piston ring is generally arranged in the annular groove of piston, completes the sealing of fuel oil-gas together with cylinder, piston, cylinder wall etc.Within the engine, cylinder liner-piston group forms most important friction pair, directly affects working life and the performance of motor.
Because cylinder liner-piston group is operated in high temperature, at a high speed, under the mal-condition of high pressure, various wearing and tearing very easily occurs, and the working life of motor and performance depend on this antiwear property to friction pair to a great extent.
The mode of the mechanical honing of the many employings in current engine cylinder surface, forms overlapping curve structure, to reduce the frictional force between casing wall and piston ring in cylinder surface.But UNICOM's structure of this reticulate pattern and groove depth are comparatively large, make oil consumption larger.
Model utility content
The utility model provides a kind of pattern drag reduction structures, motor and automobile, to reduce the frictional force between casing wall and piston ring, reduces oil consumption, thus improves engine operating efficiency.
The utility model provides a kind of pattern drag reduction structures, comprising:
Multiple microflute pattern, described multiple microflute pattern is arranged on inboard wall of cylinder block surface, and each described microflute pattern is 40 ° ~ 45 ° in the scope of the distribution angle on described inboard wall of cylinder block surface.
Pattern drag reduction structures as above, wherein, the scope of the groove depth of each described microflute pattern is 5 μm ~ 10 μm.
Pattern drag reduction structures as above, wherein, the area of described multiple microflute pattern is 35% ~ 40% in the occupancy of inboard wall of cylinder block surface area.
Pattern drag reduction structures as above, wherein, each described microflute pattern is all in strip.
The utility model provides a kind of motor, and wherein, the inboard wall of cylinder block surface of described motor arranges as above arbitrary described pattern drag reduction structures.
The utility model provides a kind of automobile, and wherein, motor as above applied by described automobile.
Pattern drag reduction structures, motor and automobile that the utility model provides, by arranging multiple microflute pattern on inboard wall of cylinder block surface, each described microflute pattern is 40 ° ~ 45 ° in the scope of the distribution angle on described inboard wall of cylinder block surface, the dynamic pressure bearing capacity of described microflute pattern to average oil film is larger, lubrication effect between cylinder body and piston ring is obviously strengthened, reduce the frictional force between casing wall and piston ring, reduce oil consumption, thus improve the working efficiency of motor.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the application schematic diagram of the utility model pattern drag reduction structures embodiment;
Fig. 2 is the structural representation of the utility model pattern drag reduction structures embodiment.
Embodiment
For making the object of the utility model embodiment, technological scheme and advantage clearly, below in conjunction with the accompanying drawing in the utility model embodiment, technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Elastic hydrodynamic lubrication theory refers to, the resiliently deformable on friction piece surface and the pressure-viscosity effect of lubricating fluid, lubrication film thickness and pressure distribution is played to the hydrldynamic pressure lubrication of significantly impact.The utility model make use of elastic hydrodynamic lubrication theory just, arranges microflute pattern on inboard wall of cylinder block surface, increases the bearing capacity of oil film, thus increases the lubrication effect of oil film, reduces the frictional force between casing wall and piston ring and wear extent.
Fig. 1 is the application schematic diagram of the utility model pattern drag reduction structures embodiment; Fig. 2 is the structural representation of the utility model pattern drag reduction structures embodiment.Composition graphs 1 and Fig. 2, the pattern drag reduction structures that the present embodiment provides can comprise:
Multiple microflute pattern 101, described multiple microflute pattern 101 is arranged on cylinder body 100 inner wall surface, and each described microflute pattern 101 is 40 ° ~ 45 ° in the scope of the distribution angle of described cylinder body 100 inner wall surface.
In practical application, as shown in Figure 1, transmitter piston is embedded three road piston rings from top to bottom, distance between the lower dead center of the top dead center of piston ring topmost and bottom piston ring is the stroke of piston, and the interval corresponding on engine air casing wall of piston stroke is the distributed areas of the multiple microflute patterns 101 described in the present embodiment.
Concrete, with reference to Fig. 2, each described microflute pattern 101 all in strip, and described microflute pattern 101 be perpendicular to piston ring moving direction set by.
It should be noted that, in actual applications, consider that the impact of microflute pattern 101 on cylinder liner-piston group friction and wear characteristic is mainly manifested in the distribution angle θ of microflute pattern 101 in described cylinder body 100 inner wall surface, the groove depth h of described microflute pattern 101 and the area of described microflute pattern 101 are at the occupancy S of cylinder body 100 inner wall surface area
pthree aspects.
Therefore, in the present embodiment, theoretical based on elastic hydrodynamic lubrication, according to two-dimentional reynolds equation, and by cylinder body 100 size and material parameter, in conjunction with the boundary conditions determined, numerical solution is carried out to two-dimentional reynolds equation, obtains distribution angle θ, groove depth h and occupancy S
poptimized parameter.
When the scope of distribution angle θ is 40 ° ~ 45 °, described microflute pattern 101 is larger to average oil film dynamic pressure bearing capacity;
When the scope of the groove depth h of each described microflute pattern 101 is 5 μm ~ 10 μm.Time, the bearing capacity of the oil film that described microflute pattern 101 covers is the strongest;
When the area of described multiple microflute pattern 101 is at the occupancy S of cylinder body 100 inner wall surface area
pwhen being 35% ~ 40%, the Comprehensive Capacity of described microflute pattern 101 is larger.
When the bearing capacity of the oil film that described microflute pattern 101 covers is maximum, the lubrication effect between cylinder body 100 and piston ring obviously strengthens, and can reduce the frictional force between casing wall and piston ring.
The technological scheme of the present embodiment, by arranging multiple microflute pattern on inboard wall of cylinder block surface, each described microflute pattern is 40 ° ~ 45 ° in the scope of the distribution angle on described inboard wall of cylinder block surface, the dynamic pressure bearing capacity of described microflute pattern to average oil film is larger, lubrication effect between cylinder body and piston ring is obviously strengthened, reduce the frictional force between casing wall and piston ring, reduce oil consumption, thus improve the working efficiency of motor.
The present embodiment provides a kind of motor, and the inboard wall of cylinder block surface of described motor arranges the pattern drag reduction structures as described in above-described embodiment.
The motor of the present embodiment, by arranging the pattern drag reduction structures as described in above-described embodiment on inboard wall of cylinder block surface, lubrication effect between cylinder body and piston ring is obviously strengthened, reduce the frictional force between casing wall and piston ring, reduce oil consumption, thus improve the working efficiency of motor.
The present embodiment provides a kind of automobile, the motor of described automobile application as described in above-described embodiment.
The automobile of the present embodiment, by applying as described in above-described embodiment, be provided with the pattern drag reduction structures that above-described embodiment provides on inboard wall of cylinder block surface motor, the frictional force between casing wall and piston ring can be reduced, reduce the consumption of machine oil, reach the effect of energy-saving and emission-reduction.
Last it is noted that above each embodiment is only in order to illustrate the technical solution of the utility model, be not intended to limit; Although be described in detail the utility model with reference to foregoing embodiments, those of ordinary skill in the art is to be understood that: it still can be modified to the technological scheme described in foregoing embodiments, or carries out equivalent replacement to wherein some or all of technical characteristics; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the scope of each embodiment's technological scheme of the utility model.
Claims (6)
1. a pattern drag reduction structures, is characterized in that, comprising:
Multiple microflute pattern, described multiple microflute pattern is arranged on inboard wall of cylinder block surface, and each described microflute pattern is 40 ° ~ 45 ° in the scope of the distribution angle on described inboard wall of cylinder block surface.
2. pattern drag reduction structures according to claim 1, is characterized in that, the scope of the groove depth of each described microflute pattern is 5 μm ~ 10 μm.
3. pattern drag reduction structures according to claim 2, is characterized in that, the area of described multiple microflute pattern is 35% ~ 40% in the occupancy of inboard wall of cylinder block surface area.
4., according to the arbitrary described pattern drag reduction structures of claim 1-3, it is characterized in that, each described microflute pattern is all in strip.
5. a motor, is characterized in that, the inboard wall of cylinder block of described motor surface arrange as arbitrary in claim 1-4 as described in pattern drag reduction structures.
6. an automobile, is characterized in that, motor as claimed in claim 5 applied by described automobile.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703135.XU CN204283637U (en) | 2014-11-20 | 2014-11-20 | Pattern drag reduction structures, motor and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420703135.XU CN204283637U (en) | 2014-11-20 | 2014-11-20 | Pattern drag reduction structures, motor and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204283637U true CN204283637U (en) | 2015-04-22 |
Family
ID=52866804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420703135.XU Expired - Fee Related CN204283637U (en) | 2014-11-20 | 2014-11-20 | Pattern drag reduction structures, motor and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204283637U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221284A (en) * | 2015-11-11 | 2016-01-06 | 江苏大学 | Internal combustion engine cylinder jacket |
| CN105221283A (en) * | 2015-09-22 | 2016-01-06 | 江苏大学 | A kind of engine cylinder hole and processing method thereof |
| CN110985225A (en) * | 2019-11-06 | 2020-04-10 | 帝伯爱尔株式会社 | Cylinder sleeve and cylinder hole |
-
2014
- 2014-11-20 CN CN201420703135.XU patent/CN204283637U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105221283A (en) * | 2015-09-22 | 2016-01-06 | 江苏大学 | A kind of engine cylinder hole and processing method thereof |
| CN105221283B (en) * | 2015-09-22 | 2017-12-05 | 江苏大学 | A kind of engine cylinder hole and its processing method |
| CN105221284A (en) * | 2015-11-11 | 2016-01-06 | 江苏大学 | Internal combustion engine cylinder jacket |
| CN110985225A (en) * | 2019-11-06 | 2020-04-10 | 帝伯爱尔株式会社 | Cylinder sleeve and cylinder hole |
| CN110985225B (en) * | 2019-11-06 | 2022-03-04 | 帝伯爱尔株式会社 | Cylinder sleeve and cylinder hole |
| US11680537B2 (en) | 2019-11-06 | 2023-06-20 | Tpr Co., Ltd. | Cylinder liner and cylinder bore |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150422 |