CN204082879U - A kind of engine link - Google Patents
A kind of engine link Download PDFInfo
- Publication number
- CN204082879U CN204082879U CN201420513684.0U CN201420513684U CN204082879U CN 204082879 U CN204082879 U CN 204082879U CN 201420513684 U CN201420513684 U CN 201420513684U CN 204082879 U CN204082879 U CN 204082879U
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- CN
- China
- Prior art keywords
- rod
- manhole
- con
- engine link
- stub
- Prior art date
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- Expired - Fee Related
Links
- 230000007704 transition Effects 0.000 claims abstract description 15
- 239000003921 oil Substances 0.000 abstract description 24
- 239000010721 machine oil Substances 0.000 abstract description 9
- 230000001050 lubricating effect Effects 0.000 abstract description 6
- 230000008859 change Effects 0.000 abstract description 4
- 238000005265 energy consumption Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005457 optimization Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004904 shortening Methods 0.000 description 2
- 210000000707 wrist Anatomy 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000005461 lubrication Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of engine link, comprise con-rod only, connecting rob bushing and connecting-rod bolts, con-rod only includes little head end, stub end and connecting end; Be provided with " U " shape oil groove in connecting rob bushing, and connecting rob bushing adopts interference fit to be pressed into little head end; Stub end and connecting end connection form the transition of bottleneck shape, and the two bottom sides of stub end is provided with mounting platform, and mounting platform is provided with tapped blind hole, for being fixedly connected with connecting-rod bolts.Engine link of the present utility model, by changing connnecting rod big end end tapped hole into blind hole by through hole, the boss of connecting rod connecting end and stub end transition position can be reduced, the transition position of connecting rod connecting end and stub end is connected as a single entity, not only increase the intensity of connecting rod, and decrease the weight of connecting rod.Change " U " shape oil groove into additionally by by the lining inner oil sump of connecting rod small end end, reduce the splashing of machine oil, improve the motion lubricating ability of connecting rod upper piston pin and connecting rob bushing.
Description
Technical field
The utility model relates to technical field of automobile engine, is specifically related to a kind of engine link.
Background technique
In recent years, diesel engine is towards the trend development of high power requirements, and require again low emission, long lifetime, fuel economy and low cost, in this case, miniaturization and the light-weight design of diesel engine are arisen at the historic moment simultaneously.Can say, Miniaturization Design is more and more important with the reduction status of weight in modern diesel engine designs.In order to make overall engine size reduce, inevitable will make the corresponding reduction of each element size; In order to improve the rotating speed of motor, reduce vibration and noise, inevitable requirement moving parts quality reduces, to reduce consequent inertial force.In the factors affecting diesel emission performance, engine link is one of influence factor of outbalance.
Current normally used connecting rod as shown in Figure 1, be through hole at the tapped hole 102 of connnecting rod big end end 101, so not only give during manufacturing and increase operation, reduce working efficiency, and in order to increase connecting rod strength, be everlasting shaft and connnecting rod big end end 101 transition position arranges boss 103, and can increase connecting rod weight like this, the rotating inertia force of motor also can correspondingly increase.And oil groove 105 can be provided with in lining on connecting rod small end end 104, but oil groove 105 construct unreasonable, easily cause machine oil to splash, thus have influence on the motion lubrication needs of connecting rod upper piston pin and lining.
Mark in the figure of prior art:
101, connnecting rod big end end 102, bolt hole 103, boss
104, connecting rod small end end 105, oil groove
Mark in figure of the present utility model:
1, con-rod only 11, little head end 12, stub end
13, connecting end 2, connecting rob bushing 3, connecting-rod bolts
4, " U " shape oil groove 5, mounting platform 6, tapped blind hole
7, the first manhole 8, second manhole 9, boss
10, groove
Model utility content
The purpose of this utility model is to provide a kind of engine link, by changing connnecting rod big end end tapped hole into blind hole by through hole, improving the design of boss simultaneously, increasing the bulk strength of connecting rod, and reduce the weight of connecting rod integral.Additionally by the lining inner oil sump structure improving connecting rod small end end, reduce the splashing of machine oil, improve the motion lubricating ability of connecting rod upper piston pin and connecting rob bushing.
For achieving the above object, the utility model provides following technological scheme:
A kind of engine link, comprise con-rod only, connecting rob bushing and connecting-rod bolts, described con-rod only includes little head end, stub end and connecting end; Described little head end is provided with the first manhole, described stub end is provided with the second manhole; Be provided with " U " shape oil groove in described connecting rob bushing, and described connecting rob bushing adopts the described little head end of interference fit press-in; Described stub end and described connecting end connection form the transition of bottleneck shape, and the two bottom sides of described stub end is provided with mounting platform, and described mounting platform is provided with tapped blind hole, for being fixedly connected with described connecting-rod bolts.
Preferably, the length of described con-rod only is 155 ~ 160mm.
Preferably, the diameter ratio of described first manhole and described second manhole is 35 ~ 40:60 ~ 65.
Preferably, the outer rim of described second manhole is provided with boss near the both sides of described stub end, and described boss and the distance risen between section are 3 ~ 6mm.
Preferably, " U " shape oil groove arranged in described connecting rob bushing is two, and centered by the line between described first manhole of described con-rod only and described second manhole axle center, line is arranged symmetrically with.
Preferably, described " U " shape oil groove by entry end and outlet end to centre in reducing structure gradually.
Preferably, the spacing of the top of described tapped blind hole and the outer rim of described stub end is 2.5 ~ 3.5mm.
Preferably, described connecting end is provided with groove, the two ends of described groove are connected with the outer rim of described first manhole with described second manhole respectively.
The beneficial effects of the utility model are:
Engine link of the present utility model, by changing connnecting rod big end end tapped hole into blind hole by through hole, the boss of connecting rod connecting end and stub end transition position can be reduced, the transition position of connecting rod connecting end and stub end is connected as a single entity, not only increase the intensity of connecting rod, and decrease the weight of connecting rod.Change " U " shape oil groove into additionally by by the lining inner oil sump of connecting rod small end end, reduce the splashing of machine oil, improve the motion lubricating ability of connecting rod upper piston pin and connecting rob bushing.
Further, the length of con-rod only is 155 ~ 160mm, is conducive to the length by shortening con-rod only, not only can reduce the weight of con-rod only, connecting bar and crankshaft can also be allowed can to reach best angle position, thermal effect can be increased like this, reduce energy consumption, improve the utilization efficiency of motor.
Further, the diameter ratio of the first manhole and the second manhole is 35 ~ 40:60 ~ 65, be conducive to by the optimization to the first manhole and the second manhole diameter ratio, connecting rod can be reached best stroke relative to the motion of bent axle, connecting rod can not only be allowed more effectively to promote, but also energy consumption can be reduced in link motion, effective burning simultaneously also can reduce the formation of carbon distribution, reduces the discharge value of motor.
Further, the outer rim of the second manhole is provided with boss near the both sides of stub end, boss and the distance risen between section are 3 ~ 6mm, be conducive to the boss quantity by reducing stub end, alleviate the weight of connecting rod, simultaneously by the distance adjusting boss and rise between section, make the intensity that connecting rod can remain original, ensure the working life of connecting rod.
Further, " U " shape oil groove arranged in connecting rob bushing is two, centered by the line between the first manhole of con-rod only and the second manhole axle center, line is arranged symmetrically with, and " U " shape oil groove by entry end and outlet end to centre in reducing structure gradually, be conducive to by being optimized the structure of oil groove, utilize the structure of " U " shape oil groove big at both ends and small in middle, conveniently collect the machine oil splashed, increased the motion lubricating ability of wrist pin joined together by con-rod only and connecting rob bushing simultaneously by more machine oil.
Further, the spacing of the top of tapped blind hole and the outer rim of stub end is 2.5 ~ 3.5mm, is conducive to the setting by tapped blind hole, improves the bulk strength of con-rod only.Distance between the top of tapped blind hole and connnecting rod big end end is arranged, the connecting end on con-rod only and stub end transition position can be made to be seamless connection, when the stub end of con-rod only is when being subject to the larger rotation stress that connecting rod brings, dispersive stress can be carried out by connecting end and stub end transition position, can not damage con-rod only because stress is excessive, the working life of con-rod only can be strengthened.
Further, connecting end is provided with groove, the two ends of groove are connected with the outer rim of the first manhole with the second manhole respectively, be conducive to the weight being alleviated con-rod only by groove, simultaneously groove and the first manhole and the second manhole coordinate the intensity that can also improve con-rod only, the working life of increase con-rod only.
Accompanying drawing explanation
Next will be described in further detail specific embodiment of the utility model by reference to the accompanying drawings, wherein:
Fig. 1 is the engine connecting rod structure figure of prior art;
Fig. 2 is the engine connecting rod structure figure of the utility model embodiment;
Fig. 3 is the tapped blind hole sectional view of the utility model embodiment;
Fig. 4 is the engine link sectional view of the utility model embodiment.
Embodiment
Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Being exemplary below by the embodiment be described with reference to the drawings, only for explaining the utility model, and can not being interpreted as restriction of the present utility model.
As shown in Figure 2, Figure 3 and Figure 4, a kind of engine link of the present utility model, comprises con-rod only 1, connecting rob bushing 2 and connecting-rod bolts 3, and con-rod only includes little head end 11, stub end 12 and connecting end 13; Little head end 11 is provided with the first manhole 7, stub end 12 is provided with the second manhole 8; Be provided with " U " shape oil groove 4 in connecting rob bushing 2, and connecting rob bushing 2 adopts interference fit to be pressed into little head end 11; Stub end 12 and connecting end 13 connection form the transition of bottleneck shape, and the two bottom sides of stub end 12 is provided with mounting platform 5, and mounting platform 5 is provided with tapped blind hole 6, for being fixedly connected with connecting-rod bolts 3.Engine link of the present utility model, by changing the tapped hole of connnecting rod big end end 12 into tapped blind hole 6 by through hole, the boss of connecting rod connecting end 13 and stub end 12 transition position can be reduced, connecting rod connecting end 13 is connected as a single entity with the transition position of stub end 12, not only increase the intensity of con-rod only 1, and decrease the weight of con-rod only 1.Change " U " shape oil groove 4 into additionally by by connecting rob bushing 2 inner oil sump of connecting rod small end end 11, reduce the splashing of machine oil, improve the motion lubricating ability of connecting rod upper piston pin and connecting rob bushing 2.
In addition, the length of con-rod only 1 is 155 ~ 160mm, is conducive to the length by shortening con-rod only 1, not only can reduce the weight of con-rod only 1, connecting bar and crankshaft can also be allowed can to reach best angle position, thermal effect can be increased like this, reduce energy consumption, improve the utilization efficiency of motor
As shown in Figure 2, the diameter ratio of the first manhole 7 and the second manhole 8 is 35 ~ 40:60 ~ 65, be conducive to by the optimization to the first manhole 7 and the second manhole 8 diameter ratio, con-rod only 1 can be reached best stroke relative to the motion of bent axle, con-rod only 1 can not only be allowed more effectively to promote, but also energy consumption can be reduced in con-rod only 1 moves, effective burning simultaneously also can reduce the formation of carbon distribution, reduces the discharge value of motor.
In addition, the outer rim of the second manhole 8 is provided with boss 9 near the both sides of stub end 12, boss 9 and the distance risen between section are 3 ~ 6mm, be conducive to boss 9 quantity by reducing stub end 12, alleviate the weight of con-rod only 1, simultaneously by the distance adjusting boss 9 and rise between section, make the intensity that con-rod only 1 can remain original, ensure the working life of con-rod only 1.
As shown in Figure 4, " U " shape oil groove 4 arranged in connecting rob bushing 2 is two, centered by the line between the first manhole 7 of con-rod only 1 and the second manhole 8 axle center, line is arranged symmetrically with, and " U " shape oil groove 4 by entry end and outlet end to centre in reducing structure gradually, be conducive to by being optimized the structure of oil groove, utilize the structure of " U " shape oil groove 4 big at both ends and small in middle, conveniently collect the machine oil splashed, increased the motion lubricating ability of wrist pin joined together by con-rod only 1 and connecting rob bushing 2 simultaneously by more machine oil.
As shown in Figure 3, the spacing of the top of tapped blind hole 6 and the outer rim of stub end 12 is 2.5 ~ 3.5mm, is conducive to the setting by tapped blind hole 6, improves the bulk strength of con-rod only 1.Distance between the top of tapped blind hole 6 and connnecting rod big end end 12 is arranged, the connecting end 13 on con-rod only 1 can be made to be seamless connection with stub end 12 transition position, when the stub end 12 of con-rod only 1 is when being subject to the larger rotation stress that connecting rod brings, dispersive stress can be carried out by connecting end 13 and stub end 12 transition position, can not damage con-rod only 1 because stress is excessive, the working life of con-rod only 1 can be strengthened.
Shown in composition graphs 2 and Fig. 4, connecting end 13 is provided with groove 10, the two ends of groove 10 are connected with the outer rim of the first manhole 7 with the second manhole 8 respectively, be conducive to the weight being alleviated con-rod only 1 by groove 10, simultaneously groove 10 and the first manhole 7 and the second manhole 8 coordinate the intensity that can also improve con-rod only 1, the working life of increase con-rod only 1.Certainly, the connecting end 13 of con-rod only 1 also the related domain such as can to hollow out with use and commonly uses weight losing method, not limit in the utility model embodiment.
Engine link of the present utility model can be applied in diesel engine, if other petrol engine or natural gas engine are when meeting installation conditions, the utility model also can be used to improve engine link.
Structure of the present utility model, feature and action effect is described in detail above according to illustrated embodiment; the foregoing is only preferred embodiment of the present utility model; but the utility model does not limit practical range with shown in drawing; every change done according to conception of the present utility model; or be revised as the Equivalent embodiments of equivalent variations; do not exceed yet specification with diagram contain spiritual time, all should in protection domain of the present utility model.
Claims (8)
1. an engine link, comprises con-rod only, connecting rob bushing and connecting-rod bolts, it is characterized in that: described con-rod only includes little head end, stub end and connecting end; Described little head end is provided with the first manhole, described stub end is provided with the second manhole; Be provided with " U " shape oil groove in described connecting rob bushing, and described connecting rob bushing adopts the described little head end of interference fit press-in; Described stub end and described connecting end connection form the transition of bottleneck shape, and the two bottom sides of described stub end is provided with mounting platform, and described mounting platform is provided with tapped blind hole, for being fixedly connected with described connecting-rod bolts.
2. engine link according to claim 1, is characterized in that, the length of described con-rod only is 155 ~ 160mm.
3. engine link according to claim 1, is characterized in that, the diameter ratio of described first manhole and described second manhole is 35 ~ 40:60 ~ 65.
4. engine link according to claim 3, is characterized in that, the outer rim of described second manhole is provided with boss near the both sides of described stub end, and described boss and the distance risen between section are 3 ~ 6mm.
5. engine link according to claim 1, it is characterized in that, " U " shape oil groove arranged in described connecting rob bushing is two, and centered by the line between described first manhole of described con-rod only and described second manhole axle center, line is arranged symmetrically with.
6. engine link according to claim 5, is characterized in that, described " U " shape oil groove by entry end and outlet end to centre in reducing structure gradually.
7. engine link according to claim 1, is characterized in that, the spacing of the top of described tapped blind hole and the outer rim of described stub end is 2.5 ~ 3.5mm.
8. engine link according to claim 1, is characterized in that, described connecting end is provided with groove, and the two ends of described groove are connected with the outer rim of described first manhole with described second manhole respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513684.0U CN204082879U (en) | 2014-09-05 | 2014-09-05 | A kind of engine link |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420513684.0U CN204082879U (en) | 2014-09-05 | 2014-09-05 | A kind of engine link |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204082879U true CN204082879U (en) | 2015-01-07 |
Family
ID=52175602
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420513684.0U Expired - Fee Related CN204082879U (en) | 2014-09-05 | 2014-09-05 | A kind of engine link |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204082879U (en) |
-
2014
- 2014-09-05 CN CN201420513684.0U patent/CN204082879U/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 | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee after: Anhui Jianghuai Automobile Group Limited by Share Ltd Address before: 230601 Anhui Province, Hefei City Industrial Park, the Peach Blossom Road No. 669 Patentee before: Anhui Jianghuai Automobile Co., Ltd. |
|
| 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: 20150107 Termination date: 20190905 |