CN204591983U - A kind of engine link assembly - Google Patents
A kind of engine link assembly Download PDFInfo
- Publication number
- CN204591983U CN204591983U CN201520289165.5U CN201520289165U CN204591983U CN 204591983 U CN204591983 U CN 204591983U CN 201520289165 U CN201520289165 U CN 201520289165U CN 204591983 U CN204591983 U CN 204591983U
- Authority
- CN
- China
- Prior art keywords
- link assembly
- oilhole
- bearing pin
- engine link
- rod
- 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 - Fee Related
Links
- 210000000707 wrist Anatomy 0.000 claims abstract description 16
- 230000002265 prevention Effects 0.000 claims description 10
- 238000005461 lubrication Methods 0.000 abstract description 4
- 239000010721 machine oil Substances 0.000 abstract description 4
- 239000003921 oil Substances 0.000 abstract description 4
- 238000001149 thermolysis Methods 0.000 abstract description 4
- 230000033001 locomotion Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 229910000906 Bronze Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000010974 bronze Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model belongs to technical field of automobile components, and provide a kind of engine link assembly, comprise con-rod only, the piston end of described con-rod only is provided with piston pin hole, and the sidewall of described piston pin hole is provided with the first oilhole; Also comprise bearing pin lining, the sidewall of described bearing pin lining is provided with the second oilhole, and described bearing pin lining is plugged in described piston pin hole, and described first oilhole is coaxial with described second oilhole; Wrist pin is plugged in described bearing pin lining.The utility model is by setting up bearing pin lining, and the first coaxial oilhole and the second oilhole are set with piston end bearing pin lining, enable the machine oil of piston cavity enter between bearing pin lining and wrist pin, form oil film, play lubrication and thermolysis, extend the working life of part.
Description
Technical field
The utility model belongs to technical field of automobile components, is specifically related to a kind of engine link assembly.
Background technique
The connecting rod of motor is the requisite key components and parts of combustion engine powered assembly.One end of connecting rod is connected with wrist pin, and the other end is connected with crank-shaft link neck.The effect of link assembly is that the pressure from wrist pin is passed to bent axle, thus realizes the rotary motion to-and-fro motion of piston being transformed into bent axle, and then realizes the Power output of motor.
Existing engine link assembly as shown in Figure 1, comprises con-rod only 102, and the piston end of con-rod only 102 is provided with piston pin hole 101, and wrist pin is plugged in piston pin hole 101; The crankshaft end of con-rod only is provided with the first semicircle orifice, also comprises crankshaft cap 104, is connected to crankshaft end by bolts and nuts, and the second semicircle orifice of crankshaft cap 104 is relative with the first semicircle orifice, forms crankshaft hole 103, to install bent axle.
The engine link assembly of prior art, during work there is relative movement in wrist pin and connecting rod basis 102, con-rod only 102 and wrist pin rub mutually, and because wrist pin and con-rod only 102 are metalwork, the hard friction of the two very easily causes the damage of piston pin hole 1, and piston pin hole 101 and con-rod only 102 are structure as a whole, need during replacing to change whole con-rod only 102, shorten part life, reduce part utilization ratio, cause the wasting of resources, maintenance cost increases.
Model utility content
The purpose of this utility model is to provide a kind of engine link assembly, by setting up bearing pin lining, and the first coaxial oilhole and the second oilhole are set with piston end bearing pin lining, the machine oil of piston cavity is enable to enter between bearing pin lining and wrist pin, form oil film, play lubrication and thermolysis, extend the working life of part.
To achieve these goals, the utility model provides following technological scheme:
A kind of engine link assembly, comprise con-rod only, the piston end of described con-rod only is provided with piston pin hole, and the sidewall of described piston pin hole is provided with the first oilhole; Also comprise bearing pin lining, the sidewall of described bearing pin lining is provided with the second oilhole, and described bearing pin lining is plugged in described piston pin hole, and described first oilhole is coaxial with described second oilhole; Wrist pin is plugged in described bearing pin lining.
Preferably, described piston end is the first wedge-shaped structure.
Preferably, described bearing pin lining is second wedge-shaped structure suitable with described first wedge-shaped structure.
Preferably, the section of described con-rod only is I-shaped structure.
Preferably, the two sides that described I-shaped structure is parallel to each other is provided with clamping structure.
Preferably, also comprise crankshaft cap, described crankshaft cap bolt is connected to described crankshaft end; Rotation prevention structure is provided with between described crankshaft end and described bolt.
Preferably, described rotation prevention structure comprises the confined planes of the first circular arc being located at described crankshaft end and the bolt head being located at described bolt, and described confined planes each point is greater than the distance of described first center of arc to described bolt axis to the distance of described bolt axis.
Preferably, position structure is provided with between described crankshaft cap and described crankshaft end.
Preferably, described con-rod only is also provided with bearing mark.
Preferably, described con-rod only is provided with lightening grooves.
The beneficial effects of the utility model are:
The utility model sets up bearing pin lining, and piston end and bearing pin lining arrange the first coaxial oilhole and the second oilhole, crankshaft rotating swashs the machine oil spattered and is thrown to piston cavity, wherein a part is assembled by the first oilhole and the second oilhole and is flowed between bearing pin lining and wrist pin, form oil film, play lubrication and thermolysis, to reduce the friction between wrist pin and con-rod only, extend part working life; Even and if bearing pin lining is worn, also only need changes bearing pin lining, not need whole for con-rod only replacing, improve part utilization ratio, save maintenance cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art engine link assembly;
Fig. 2 is the explosive view of a kind of embodiment of engine link assembly provided by the utility model;
Fig. 3 is the schematic diagram of a kind of embodiment rotation prevention structure of engine link assembly provided by the utility model.
Reference character:
In FIG:
101, piston pin hole, 102, con-rod only, 103, crankshaft hole, 104, crankshaft cap;
In Fig. 2-Fig. 3:
201, bearing pin lining, 202, piston pin hole, 203, bolt, 204, bearing mark, 205, con-rod only, the 206, first semicircle orifice, 207, the first half-watt, the 208, second half-watt, the 209, second semicircle orifice, 210, crankshaft cap, 211, nut, 212, bolt hole, 213, clamping structure, the 214, first oilhole, the 215, second oilhole, 216, the first circular arc, 217, confined planes.
Embodiment
In order to make the purpose of this utility model, technological scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Please refer to Fig. 2-Fig. 3, in a kind of embodiment, engine link assembly provided by the utility model, comprises con-rod only 205, and the piston end of con-rod only 205 is provided with piston pin hole 202, and the sidewall of piston pin hole 202 is provided with the first oilhole 214; Also comprise bearing pin lining 201, the sidewall of bearing pin lining 201 is provided with the second oilhole 215, and bearing pin lining 201 is plugged in piston pin hole 202, and the first oilhole 214 is coaxial with the second oilhole 215; Wrist pin is plugged in bearing pin lining 201.
Above-described embodiment sets up bearing pin lining 201, and piston end and bearing pin lining 201 arrange the first coaxial oilhole 214 and the second oilhole 215, crankshaft rotating swashs the machine oil spattered and is thrown to piston cavity, wherein a part is assembled by the first oilhole 214 and the second oilhole 215 and is flowed between bearing pin lining 201 and wrist pin, form oil film, play lubrication and thermolysis, to reduce the friction between wrist pin and con-rod only 205, extend part working life; Even and if bearing pin lining 201 is worn, also only need changes bearing pin lining 201, not need whole for con-rod only 205 replacing, improve part utilization ratio, save maintenance cost.
Usual bearing pin lining 201 is bronze material, to improve the wear resistance of part.
Piston end is the first wedge-shaped structure.To alleviate the weight of whole engine link assembly.
Bearing pin lining 201 is second wedge-shaped structure suitable with the first wedge-shaped structure.With the weight of further strong whole engine link assembly.
Preferably the first wedge-shaped structure and the machine shaping of the second wedge-shaped structure one, with optimization processing technology, ensure quality of processing.Bearing pin lining 201 and piston pin hole 202 adopt interference fit integral usually, and the machine shaping of last one, is processed as wedge-shaped structure after namely assembling together.First wedge-shaped structure and the second wedge-shaped structure are assembled into one after also can processing separately.
The cross section of the first wedge-shaped structure and the cross section of the second wedge-shaped structure are and increase, to improve the intensity of whole engine link assembly to the direction near crankshaft end.
The section of con-rod only 205 is I-shaped structure.To ensure that con-rod only 205 is issued to maximum strength and stiffness in minimum quality.Namely the intermediate section connecting piston end and crankshaft end comprises the first connecting plate parallel to each other, the second connecting plate, and the intermediate plate of connection first connecting plate and the second connecting plate, and the feature cross-section of three's composition is I-shaped structure.Certainly, the cross section of intermediate section also can be the structure that rectangular configuration, loop configuration or other those skilled in the art be familiar with.
The two sides that I-shaped structure is parallel to each other is provided with clamping structure 213, to facilitate the clamping of con-rod only 205 course of working.Clamping structure 213 can be groove as shown in Figure 2, and namely the first connecting plate and the second connecting plate are respectively equipped with groove, and groove can be located at relative two sides, also can be located at opposing two sides, to provide the space of the deformation in clamping process.
Engine link assembly also comprises crankshaft cap 210, and crankshaft cap 210 is connected to crankshaft end by bolt 203; Limit rotation prevention structure is provided with between crankshaft end and bolt 203.Bolt 203 transfer when can prevent locking by limit structure, with fixed crankshaft lid 210 better.
Rotation prevention structure comprises the confined planes 217 that rotation structure comprises the first circular arc 216 being located at crankshaft end and the bolt head being located at bolt 203, and confined planes 217 each point is greater than the distance of the first circular arc 216 center to bolt 203 axis to the distance of bolt 203 axis.This rotation prevention structure utilizes existing part, does not need to increase other part and can play anti-rotation effect, and processing is simple, reduces number of spare parts, saves assembly process.Namely crankshaft end is provided with bolt hole 212, and crankshaft end is also provided with the counterbore coaxial with bolt hole 212, and the first circular arc is the sidewall of counterbore; A part and the isometrical second concentric circular arc of the first circular arc 216 at the edge of bolt head, the remaining part at bolt head edge is confined planes 217; When bolt 203 inserting bolt hole 212, the first circular arc 216 is overlapped with the second circular arc, and confined planes 217 is connected in the cut-off end of the first circular arc 216, is then locked by nut 211.
Rotation prevention structure also can for being arranged at the spacing preiection of crankshaft end, and the bolt head of spacing preiection and bolt 203 is suitable, and during assembling, bolt head is connected in spacing preiection.Certainly, crankshaft end also can not arrange rotation prevention structure, during assembling, is fixed by bolt 203 by instruments such as clamps, but this kind of operation, because assembly space is little, operating difficulties.
Position structure is provided with between crankshaft cap 210 and described crankshaft end.To facilitate the installation of crankshaft cap 210 and crankshaft end, and installation precision can be ensured.Position structure can comprise the first pin-and-hole being arranged at crankshaft end, the second pin-and-hole being located at crankshaft cap 210 and pass the bearing pin of the first pin-and-hole and the second pin-and-hole; Position structure also can for be located at the projection of crankshaft cap 210 be located at the groove of crankshaft end, groove and projection suitable.
Usual crankshaft cap 210 coordinates with crankshaft end flat nick, is located by position structure.First semicircle orifice 206 of crankshaft end is relative with the second semicircle orifice 209 of crankshaft cap 210, and form crankshaft hole, be fitted with connecting rod bearing shell in crankshaft hole, bent axle is plugged in connecting rod bearing shell; Connecting rod bearing shell comprises the first half-watt 207 and the second half-watt 208, and the two cooperatively interacts, and is installed on crankshaft hole.
Con-rod only 205 is also provided with bearing mark 204.With convenient for assembly.Bearing mark 204 can be printed words as shown in Figure 2, also for other lines or can tint.
Con-rod only 205 is provided with lightening grooves.To alleviate the weight of whole engine link assembly, make transmission more flexible.
Con-rod only 205 is provided with reinforcement structure.To increase the strength and stiffness of engine link assembly, extend the working life of part.
Although the utility model is described in conjunction with above embodiment, but the utility model is not limited to above-described embodiment, and only by the restriction of claim, those of ordinary skill in the art can easily modify to it and change, but do not leave essential idea of the present utility model and scope.
Claims (10)
1. an engine link assembly, comprises con-rod only, and the piston end of described con-rod only is provided with piston pin hole, it is characterized in that, the sidewall of described piston pin hole is provided with the first oilhole; Also comprise bearing pin lining, the sidewall of described bearing pin lining is provided with the second oilhole, and described bearing pin lining is plugged in described piston pin hole, and described first oilhole is coaxial with described second oilhole; Wrist pin is plugged in described bearing pin lining.
2. engine link assembly according to claim 1, is characterized in that, described piston end is the first wedge-shaped structure.
3. engine link assembly according to claim 2, is characterized in that, described bearing pin lining is second wedge-shaped structure suitable with described first wedge-shaped structure.
4. engine link assembly according to claim 1, is characterized in that, the section of described con-rod only is I-shaped structure.
5. engine link assembly according to claim 4, is characterized in that, the two sides that described I-shaped structure is parallel to each other is provided with clamping structure.
6. engine link assembly according to claim 1, is characterized in that, also comprise crankshaft cap, and described crankshaft cap bolt is connected to described crankshaft end; Rotation prevention structure is provided with between described crankshaft end and described bolt.
7. engine link assembly according to claim 6, it is characterized in that, described rotation prevention structure comprises the confined planes of the first circular arc being located at described crankshaft end and the bolt head being located at described bolt, and described confined planes each point is greater than the distance of described first center of arc to described bolt axis to the distance of described bolt axis.
8. engine link assembly according to claim 6, is characterized in that, is provided with position structure between described crankshaft cap and described crankshaft end.
9. engine link assembly according to claim 1, is characterized in that, described con-rod only is also provided with bearing mark.
10. engine link assembly according to claim 1, is characterized in that, described con-rod only is provided with lightening grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289165.5U CN204591983U (en) | 2015-05-06 | 2015-05-06 | A kind of engine link assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520289165.5U CN204591983U (en) | 2015-05-06 | 2015-05-06 | A kind of engine link assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204591983U true CN204591983U (en) | 2015-08-26 |
Family
ID=53928139
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520289165.5U Expired - Fee Related CN204591983U (en) | 2015-05-06 | 2015-05-06 | A kind of engine link assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204591983U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106246709A (en) * | 2016-08-18 | 2016-12-21 | 安徽天利动力股份有限公司 | A kind of diesel oil tie rod device |
| CN109072972A (en) * | 2016-03-25 | 2018-12-21 | 马自达汽车株式会社 | The rotating part supporting construction of engine |
| CN111509592A (en) * | 2020-05-15 | 2020-08-07 | 广西天阳科技发展有限公司 | Distribution automation reforms transform device |
| CN111509591A (en) * | 2020-05-15 | 2020-08-07 | 广西天阳科技发展有限公司 | Comprehensive intelligent protection system applied to distribution automation |
| CN116292587A (en) * | 2023-03-16 | 2023-06-23 | 绍兴思源科技有限公司 | Connecting structure of engine connecting rod, connecting rod and piston rod and assembling process |
-
2015
- 2015-05-06 CN CN201520289165.5U patent/CN204591983U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109072972A (en) * | 2016-03-25 | 2018-12-21 | 马自达汽车株式会社 | The rotating part supporting construction of engine |
| US10753313B2 (en) | 2016-03-25 | 2020-08-25 | Mazda Motor Corporation | Rotating part supporting structure for engine |
| CN106246709A (en) * | 2016-08-18 | 2016-12-21 | 安徽天利动力股份有限公司 | A kind of diesel oil tie rod device |
| CN111509592A (en) * | 2020-05-15 | 2020-08-07 | 广西天阳科技发展有限公司 | Distribution automation reforms transform device |
| CN111509591A (en) * | 2020-05-15 | 2020-08-07 | 广西天阳科技发展有限公司 | Comprehensive intelligent protection system applied to distribution automation |
| CN111509592B (en) * | 2020-05-15 | 2020-11-17 | 玉环通利汽车零部件有限公司 | Distribution automation reforms transform device |
| CN111509591B (en) * | 2020-05-15 | 2020-12-22 | 德威特智能电气(深圳)有限公司 | Comprehensive intelligent protection system applied to distribution automation |
| CN116292587A (en) * | 2023-03-16 | 2023-06-23 | 绍兴思源科技有限公司 | Connecting structure of engine connecting rod, connecting rod and piston rod and assembling process |
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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: 20150826 Termination date: 20190506 |