CN204729457U - A kind of connecting rod of motor car engine and the bearing structure of bent axle - Google Patents
A kind of connecting rod of motor car engine and the bearing structure of bent axle Download PDFInfo
- Publication number
- CN204729457U CN204729457U CN201520253898.3U CN201520253898U CN204729457U CN 204729457 U CN204729457 U CN 204729457U CN 201520253898 U CN201520253898 U CN 201520253898U CN 204729457 U CN204729457 U CN 204729457U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- bent axle
- bearing structure
- axis hole
- motor car
- 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
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- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses a kind of connecting rod of motor car engine and the bearing structure of bent axle, comprise the crankshaft journal of the U-type groove with annular, and there is the connecting rod of the connecting rod axis hole matched with the U-type groove of this crankshaft journal, the internal surface of this connecting rod axis hole is constructed to the U-shaped structure matched with the U-type groove of crankshaft journal.Adopt this U-shaped bearing structure, eliminate the bearing shell design of conventional crankshafts bearing, and apply unleaded albronze coating at pitman shaft internal surface of hole, thus under the prerequisite not changing crankshaft material and crankcase designs, significantly can improving the torsion of bent axle and bending bearing capacity, realizing meeting higher power requirements when not increasing bearing diameter.
Description
Technical field
The utility model relates to technical field of automobile engine, specifically, relates to a kind of connecting rod of motor car engine and the bearing structure of bent axle.
Background technique
The connecting rod of existing motor car engine and the bearing structure of bent axle are generally cylinder-shaped bearing design.Refer to shown in Fig. 2, it generally includes crankshaft journal 10 ' and connecting rod 20 ', wherein crankshaft journal 10' is provided with annular collar groove 11' along its circumferential surface, major part one end of connecting rod 20' and connnecting rod big end 21' are provided with connecting rod axis hole 22', this axis hole to be normally assembled to respectively by upper and lower two and half poles in the axle journal groove 11' of this bent axle and to be bolted fixing and to be formed, offer the bearing shell groove 23' of rectangle at the internal surface of connecting rod axis hole 22', upper and lower two panels bearing shell 30 ' is assemblied in the bearing shell groove 23' of two and half poles up and down of this axis hole 22' respectively.
When engine power increases, for ensureing enough safety coefficient, usually needing the diameter strengthening crankshaft journal 10 ', or changing to the material of more high strength.Like this, will make interface unit, as crankcase, connecting rod bearing shell, changes, thus causes weight and cost significantly to increase.And simultaneously, the increase of component weight, inevitably brings higher frictional work and the oil consumption of Geng Gao.
Therefore, be necessary very much to propose a kind of connecting rod of novel motor car engine and the bearing structure of bent axle, overcome defect of the prior art.
Model utility content
The purpose of this utility model is to provide a kind of connecting rod of motor car engine and the bearing structure of bent axle, it can under the prerequisite not changing crankshaft material and crankcase designs, improve the torsion of bent axle and bending bearing capacity, thus higher power requirements can be met with less crankshaft bearing diameter.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of connecting rod of motor car engine and the bearing structure of bent axle, it comprises connecting rod and bent axle, described bent axle includes crankshaft journal, described crankshaft journal is provided with along its circumferential surface the U-type groove of annular, described connecting rod to include in the U-type groove for being assemblied in described crankshaft journal thus makes the connecting rod axis hole that described connecting rod is connected with described bent axle, and the internal surface of described connecting rod axis hole is constructed to the U-shaped structure matched with the described U-type groove of described crankshaft journal.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, the diameter of wherein said bearing structure is change at length direction.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, wherein said connecting rod axis hole is arranged on connnecting rod big end one end, and it comprises two and half poles be up and down connected and fixed by bolt.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, the internal surface of wherein said connecting rod axis hole includes alloy coat.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, the internal surface of wherein said connecting rod axis hole includes unleaded albronze coating.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, wherein said crankshaft journal is constructed at its diameter of the both sides of U-type groove larger than the diameter in the middle part of U-type groove.
Further, the connecting rod of motor car engine of the present utility model and the bearing structure of bent axle, the diameter that wherein said connecting rod axis hole is constructed in axis hole both sides of the edge is larger than the diameter in the middle part of axis hole.
Relative to prior art, the beneficial effects of the utility model are: the utility model adopts the U-shaped bearing structure arranging U-type groove and establish U-shaped internal surface and formed in connecting rod axis hole on crankshaft journal, cancel the bearing shell design of traditional bearing, and apply unleaded albronze coating at pitman shaft internal surface of hole, make bearing structure of the present utility model under the prerequisite not changing crankshaft material and crankcase designs, significantly can improve the torsion of bent axle and bending bearing capacity, thus realize meeting higher power requirements when not increasing bearing diameter.Meanwhile, eliminate original upper and lower bearing shell, also further saved installation cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of the connecting rod of motor car engine that relates to of the utility model mode of execution and the bearing structure of bent axle.
Fig. 2 is the structural representation of the connecting rod of motor car engine and the bearing structure of bent axle in prior art.
Description of reference numerals in Fig. 1 is as follows.
| Crankshaft journal | 10 | U-type groove | 12 |
| Connecting rod | 20 | Connnecting rod big end | 21 |
| Alloy coat | 22 | Connecting rod axis hole | 23 |
Description of reference numerals in Fig. 2 is as follows.
| Crankshaft journal | 10’ | Axle journal groove | 11' |
| Connecting rod | 20’ | Connnecting rod big end | 21’ |
| Connecting rod axis hole | 22' | Bearing shell groove | 23’ |
| Bearing shell | 30’ |
Embodiment
Below with reference to drawings and Examples, a kind of connecting rod of motor car engine relate to the utility model and the technological scheme of the bearing structure of bent axle are described in further detail.
Refer to shown in Fig. 1, the mode of execution that the utility model relates to provides a kind of connecting rod of motor car engine and the bearing structure of bent axle.It comprises two parts, connecting rod and and bent axle, specifically, bent axle includes crankshaft journal 10, on crankshaft journal 10 along its circumferential surface be provided with annular U-type groove 12.Connecting rod 20 includes major part one end and connnecting rod big end 21, connnecting rod big end 21 to be provided with in the U-type groove 12 for being assemblied in crankshaft journal 10 thus the connecting rod axis hole 23 that connecting rod 20 is connected with bent axle, it comprises the two and half pole (not shown) be up and down connected and fixed by bolt, and the internal surface of connecting rod axis hole 23 is constructed to the U-shaped structure matched with the U-type groove 12 of crankshaft journal 10.And the diameter of this bearing structure is change at length direction.That is, crankshaft journal 10 is constructed at its diameter of the both sides of U-type groove 12 larger than the diameter in the middle part of U-type groove 12; Accordingly, to be constructed to diameter in axis hole both sides of the edge larger than the diameter in the middle part of axis hole for connecting rod axis hole 23.
The utility model adopts the U-shaped bearing structure arranging U-type groove and establish U-shaped internal surface and formed in connecting rod axis hole on crankshaft journal, cancels the bearing shell design of traditional bearing, replaces applying unleaded albronze coating 22 at the internal surface of connecting rod axis hole 23.This makes bearing structure of the present utility model under the prerequisite not changing crankshaft material and crankcase designs, significantly can improve the torsion of bent axle and bending bearing capacity, thus realizes meeting higher power requirements when not increasing bearing diameter.Meanwhile, eliminate original upper and lower bearing shell, also further save installation cost.
Technical scope of the present utility model is not only confined to the content in above-mentioned explanation, those skilled in the art can under the prerequisite not departing from the utility model technological thought, various deformation and amendment are carried out to above-described embodiment, and these distortion and amendment all should be worked as and belonged in scope of the present utility model.
Claims (7)
1. the connecting rod of a motor car engine and the bearing structure of bent axle, it is characterized in that, it comprises connecting rod and bent axle, described bent axle includes crankshaft journal, described crankshaft journal is provided with along its circumferential surface the U-type groove of annular, described connecting rod to include in the U-type groove for being assemblied in described crankshaft journal thus makes the connecting rod axis hole that described connecting rod is connected with described bent axle, and the internal surface of described connecting rod axis hole is constructed to the U-shaped structure matched with the described U-type groove of described crankshaft journal.
2. a kind of connecting rod of motor car engine according to claim 1 and the bearing structure of bent axle, is characterized in that, the diameter of wherein said bearing structure is change at length direction.
3. a kind of connecting rod of motor car engine according to claim 1 and the bearing structure of bent axle, is characterized in that, wherein said connecting rod axis hole is arranged on connnecting rod big end one end, and it comprises two and half poles be up and down connected and fixed by bolt.
4. a kind of connecting rod of motor car engine according to claim 3 and the bearing structure of bent axle, is characterized in that, the internal surface of described connecting rod axis hole includes alloy coat.
5. a kind of connecting rod of motor car engine according to claim 3 and the bearing structure of bent axle, is characterized in that, the internal surface of described connecting rod axis hole includes unleaded albronze coating.
6. a kind of connecting rod of motor car engine according to claim 2 and the bearing structure of bent axle, is characterized in that, described crankshaft journal is constructed at its diameter of the both sides of U-type groove larger than the diameter in the middle part of U-type groove.
7. a kind of connecting rod of motor car engine according to claim 6 and the bearing structure of bent axle, is characterized in that, the diameter that described connecting rod axis hole is constructed in axis hole both sides of the edge is larger than the diameter in the middle part of axis hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520253898.3U CN204729457U (en) | 2015-04-24 | 2015-04-24 | A kind of connecting rod of motor car engine and the bearing structure of bent axle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520253898.3U CN204729457U (en) | 2015-04-24 | 2015-04-24 | A kind of connecting rod of motor car engine and the bearing structure of bent axle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204729457U true CN204729457U (en) | 2015-10-28 |
Family
ID=54387812
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520253898.3U Expired - Fee Related CN204729457U (en) | 2015-04-24 | 2015-04-24 | A kind of connecting rod of motor car engine and the bearing structure of bent axle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204729457U (en) |
-
2015
- 2015-04-24 CN CN201520253898.3U patent/CN204729457U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20151028 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |