CN202140452U - Positioning structure of bearing cover - Google Patents
Positioning structure of bearing cover Download PDFInfo
- Publication number
- CN202140452U CN202140452U CN201120259579U CN201120259579U CN202140452U CN 202140452 U CN202140452 U CN 202140452U CN 201120259579 U CN201120259579 U CN 201120259579U CN 201120259579 U CN201120259579 U CN 201120259579U CN 202140452 U CN202140452 U CN 202140452U
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- face
- bearing cap
- bolt hole
- bearing
- positioning
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Abstract
The utility model provides a positioning structure of a bearing cover and comprises a bearing seat and the bearing cover matched with the bearing seat. The bearing cover comprises a first end face and a second end face, the first end face is provided with a first bolt hole, and the second end face is provided with a second bolt hole. The bearing seat comprises a third end face and a fourth end face, the third end face is provided with a third bolt hole corresponding to the first bolt hole, and the fourth end face is provided with a fourth bolt hole corresponding to the second bolt hole. The positioning structure of the bearing cover further comprises a positioning pin for positioning and a positioning pin sleeve, and two ends of the positioning pin respectively extend into the bearing cover and the bearing seat. The positioning structure of the bearing cover guarantees positioning accuracy and simultaneously avoids over-positioning caused by the fact that the prior art adopts the positioning pin sleeve and a positioning spigot. Simultaneously, the positioning structure of the bearing cover is simple and reliable in structure and convenient and fast in assembling and disassembling. Even if the bearing cover is demounted repeatedly, the positioning accuracy of the positioning structure of the bearing cover is not affected.
Description
Technical field
The utility model relates to a kind of position structure of bearing cap, particularly relates to a kind of bearing cap position structure that does not have positioning spigot.
Background technique
Be used for the bearing cap that the position structure of bearing cap of the bent axle of location engine generally comprises bearing support, cooperates with bearing support, wherein, bearing cap also directly influences the job security of motor to the direct influence that is equipped with of the bent axle of motor.The orientation type of bearing cap has determined the complexity of repetitive positioning accuracy, machining complexity and the assembly and disassembly of bearing cap.If the repetitive positioning accuracy of bearing cap is not enough, can cause bearing shell and crankshaft wear, influence the Security and the reliability of motor.Usually bearing cap mainly contains with the bearing support orientation type: 1) adopt seam to locate: two end faces of bearing cap and the bearing support interference fit on the cylinder body.Take this orientation type can only limit five degrees of freedom of bearing cap, can not limit, can cause locating not enough situation, and adopt interference fit can increase the difficulty of assembly and disassembly along the bearing cap on the bent axle axial direction; 2) adopt two positioning spigots and a locating stud (or set pin sleeve) location, under the effect of locating stud, the situation of location can occur.
The model utility content
The technical problem that the utility model will solve provides a kind ofly not enoughly can not cross the location again guaranteeing neither can to locate between bearing cap and the bearing support, and processing, assembly and disassembly be the position structure of bearing cap very simply and easily all.
The position structure of a kind of bearing cap of the utility model embodiment; Comprise bearing support, the bearing cap that cooperates with said bearing support; Said bearing cap comprises first end face, second end face, connects first arc surface of said first end face and said second end face; Said first end face is provided with first bolt hole; Said second end face is provided with second bolt hole, and said bearing support comprises the 3rd end face, the 4th end face, connects second arc surface of said the 3rd end face and said the 4th end face, and said the 3rd end face is provided with three bolt hole corresponding with said first bolt hole; Said the 4th end face is provided with four bolt hole corresponding with said second bolt hole, also comprises and two ends stretch to locating stud and the set pin sleeve that said bearing cap and said bearing support inside are used to locate respectively.
Preferably, said first end face cooperates the location through locating stud with said the 3rd end face, and said second end face cooperates the location through set pin sleeve with said the 4th end face.
Preferably; Said second end face is provided with first positioning pin hole around said second bolt hole; Said the 4th end face is provided with second positioning pin hole around said the 4th bolt hole, and said first positioning pin hole cooperates with second positioning pin hole and holds said set pin sleeve.
Preferably, said set pin sleeve and the said second positioning pin hole interference fit, said set pin sleeve and the said first positioning pin hole Spielpassung.
Preferably, said first end face is provided with the first location cotter way, and corresponding position is provided with the 3rd positioning pin hole on said the 3rd end face, and the said first location cotter way cooperates with said the 3rd positioning pin hole and holds said locating stud.
Preferably, said locating stud and said the 3rd positioning pin hole interference fit, said locating stud and the said first location cotter way are Spielpassung.
Preferably, the said first location cotter way is arranged at said first end face and combines on the opposite side on limit with said first arc surface.
The position structure of the bearing cap that the utility model provides; Utilize two ends to stretch to the locating stud and the set pin sleeve location of bearing cap and bearing support respectively; When guaranteeing Location accuracy, both avoided existing technology to adopt set pin sleeve to cause the location with positioning spigot, avoid employing seam location again and caused the location deficiency; The position structure of the bearing cap that while the utility model provides is simple and reliable; Assembling, convenient disassembly is quick, even and if the bearing cap repeated disassembled and assembled, do not influence the accuracy of its location yet.
Description of drawings
Fig. 1 is a kind of embodiment's the main sectional view of structural representation of position structure of the bearing cap of the utility model;
Fig. 2 is a kind of embodiment's the partial sectional view of structural representation of position structure of the bearing cap of the utility model;
Fig. 3 is the plan view of the structural representation of the bearing support among Fig. 1;
Fig. 4 is the worm's eye view of the structural representation of the bearing cap among Fig. 1.
Embodiment
The position structure of a kind of bearing cap that the utility model provides; Utilize two ends to stretch to the locating stud and the set pin sleeve location of bearing cap and bearing support respectively; And do not adopt two end faces of bearing cap and the bearing support interference fit orientation type on the cylinder body, when guaranteeing Location accuracy, avoided existing technology to adopt set pin sleeve and positioning spigot and caused the location; The position structure of the bearing cap that while the utility model provides is simple and reliable; Assembling, convenient disassembly is quick, even and if the bearing cap repeated disassembled and assembled, do not influence the accuracy of its location yet.
Like Fig. 1, Fig. 2, Fig. 3, shown in Figure 4; The position structure of a kind of bearing cap that the utility model provides; Comprise bearing support 1, the bearing cap 2 that cooperates with bearing support 1, bearing cap 2 comprises first end face 21, second end face 22, connects first arc surface 28 of first end face 21 and second end face 22.First end face 21 is provided with first bolt hole, 25, the second end faces 22 and is provided with second bolt hole 26.Bearing support 1 comprises the 3rd end face 13, the 4th end face 14, connects second arc surface 18 of the 3rd end face 13 and the 4th end face 14.Second arc surface 18 cooperates with first arc surface 28 to form installs the also main bearing hole 50 of location engine bent axle.The 3rd end face 13 is provided with first bolt hole, 25 corresponding the 3rd bolt hole 15, the four end faces 14 and is provided with four bolt hole 16 corresponding with second bolt hole 26.The position structure of the bearing cap that the utility model provides comprises that also two ends stretch to locating stud 30 and set pin sleeve 31 that bearing cap 2 and bearing support 1 inside are used to locate respectively.
For make assembling, dismounting more easy, make things convenient for, set pin sleeve 31 and second positioning pin hole, 17 interference fit, the set pin sleeve 31 and first positioning pin hole 27 are Spielpassung; Locating stud 30 and the 3rd positioning pin hole 19 interference fit, the locating stud 30 and the first location cotter way 29 are Spielpassung.
The first location cotter way 29 is arranged at first end face 21 and combines on the opposite side on limit with first arc surface 28.
In engine working process, moving to a certain degree takes place in the bearing cap of engine crankshaft, need through fixed structure with bearing cap fixing with the engine cylinder-body bearing support on.In order to guarantee that 18 curved surfaces and 28 curved surfaces are circle hole shape; The position structure of the bearing cap of the utility model is adding man-hour; With bolt of bearing cap bearing cap 2 is fixed on the bearing support 1 earlier, closes then and after boring is processed both are separately reinstalled bent axle, at last both are cooperated fastening.Specific practice is following: at first locating stud 30 is pressed in the 3rd locating slot 19 of bearing support 1, set pin sleeve 31 is pressed in second positioning pin hole 17 of bearing support 1, both are all interference fit.Then bearing cap 2 is placed bearing support 1 top, bearing cap 2 is cooperated with bearing support 1, in this process, utilize first positioning pin hole 27 to cover 2 with the positioning bearing that cooperates to come of locating stud 30 with the first location cotter way 29 that cooperates, utilizes of set pin sleeve 31.That has promptly limited bearing cap 2 this moment rotates five degrees of freedom along X, the translation of Y axle and around X, Y, Z axle.Set pin sleeve 31 and first positioning pin hole, 27 Spielpassung.The locating stud 30 and first location cotter way 29 Spielpassung.At last clutch shaft bearing bonnet bolt 61 is screwed in first bolt hole 25, the 3rd bolt hole 15; Second bolt of bearing cap 62 is screwed in second bolt hole 26, the 4th bolt hole 16; Utilize clutch shaft bearing bonnet bolt 61, second bolt of bearing cap 62 that bearing cap 2 and bearing support 1 are fixed together, the degrees of freedom along the translation of Z axle of restriction bearing cap 2.
The utility model adopts the mode of set pin sleeve and locating stud to come the positioning bearing lid; Simple and reliable; Assembling, convenient disassembly is quick, and the first location cotter way 29 is arranged at first end face 21 and combines on the opposite side on limit with first arc surface 28, designs like this to make first to locate the processing of cotter way 29 more convenient; And a side forms opening, can not form the location and causes the mounting or dismounting difficulty.
The bearing cap of the utility model has alleviated the weight of self owing to processed a location cotter way and positioning pin hole.
Be different from the bearing cap of seam location, the present technique scheme can reduce the processing sectional area of two end faces of bearing cap, reduces processing cost.
The bearing cap that is different from seam location, present technique scheme need not to consider and the combining of two seam end faces of bearing cap that crankcase can adopt optimum design thus, can effectively reduce the weight of crankcase.
It below only is the preferred implementation of the utility model; Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; Can also make some improvement and retouching, these improvement and retouching also should be regarded as the protection domain of the utility model.
Claims (7)
1. the position structure of a bearing cap; Comprise bearing support, the bearing cap that cooperates with said bearing support; Said bearing cap comprises first end face, second end face, connects first arc surface of said first end face and said second end face; Said first end face is provided with first bolt hole, and said second end face is provided with second bolt hole, and said bearing support comprises the 3rd end face, the 4th end face, connects second arc surface of said the 3rd end face and said the 4th end face; Said the 3rd end face is provided with three bolt hole corresponding with said first bolt hole; Said the 4th end face is provided with four bolt hole corresponding with said second bolt hole, it is characterized in that, also comprises and two ends stretch to locating stud and the set pin sleeve that said bearing cap and said bearing support inside are used to locate respectively.
2. the position structure of bearing cap as claimed in claim 1 is characterized in that, said first end face cooperates the location through locating stud with said the 3rd end face, and said second end face cooperates the location through set pin sleeve with said the 4th end face.
3. the position structure of bearing cap as claimed in claim 2; It is characterized in that; Said second end face is provided with first positioning pin hole around said second bolt hole; Said the 4th end face is provided with second positioning pin hole around said the 4th bolt hole, and said first positioning pin hole cooperates with second positioning pin hole and holds said set pin sleeve.
4. the position structure of bearing cap as claimed in claim 3 is characterized in that, said set pin sleeve and the said second positioning pin hole interference fit, said set pin sleeve and the said first positioning pin hole Spielpassung.
5. the position structure of bearing cap as claimed in claim 1; It is characterized in that; Said first end face is provided with the first location cotter way, and corresponding position is provided with the 3rd positioning pin hole on said the 3rd end face, and the said first location cotter way cooperates with said the 3rd positioning pin hole and holds said locating stud.
6. the position structure of bearing cap as claimed in claim 5 is characterized in that, said locating stud and said the 3rd positioning pin hole interference fit, and said locating stud and the said first location cotter way are Spielpassung.
7. the position structure of bearing cap as claimed in claim 6 is characterized in that, the said first location cotter way is arranged at said first end face and combines on the opposite side on limit with said first arc surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120259579U CN202140452U (en) | 2011-07-21 | 2011-07-21 | Positioning structure of bearing cover |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201120259579U CN202140452U (en) | 2011-07-21 | 2011-07-21 | Positioning structure of bearing cover |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202140452U true CN202140452U (en) | 2012-02-08 |
Family
ID=45551510
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201120259579U Expired - Lifetime CN202140452U (en) | 2011-07-21 | 2011-07-21 | Positioning structure of bearing cover |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202140452U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375469A (en) * | 2012-04-25 | 2013-10-30 | 安徽华菱汽车有限公司 | Gear thermal sleeve positioning tool, engine assembly using gear thermal sleeve positioning tool and automobile |
| CN103644038A (en) * | 2013-12-04 | 2014-03-19 | 鞠小平 | Automobile tile cover |
| CN103375469B (en) * | 2012-04-25 | 2016-11-30 | 安徽华菱汽车有限公司 | Gear hot jacket positioning tool and the engine assembly applied thereof and automobile |
| CN107355307A (en) * | 2017-09-06 | 2017-11-17 | 广西玉柴机器股份有限公司 | Cylinder block main shaft bearing structure |
| CN107398843A (en) * | 2016-05-19 | 2017-11-28 | 北京汽车动力总成有限公司 | A kind of localization method of engine main bearing cover |
| CN108816493A (en) * | 2018-08-13 | 2018-11-16 | 南京凯盛国际工程有限公司 | A kind of Vertical Mill pillar construction |
-
2011
- 2011-07-21 CN CN201120259579U patent/CN202140452U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103375469A (en) * | 2012-04-25 | 2013-10-30 | 安徽华菱汽车有限公司 | Gear thermal sleeve positioning tool, engine assembly using gear thermal sleeve positioning tool and automobile |
| CN103375469B (en) * | 2012-04-25 | 2016-11-30 | 安徽华菱汽车有限公司 | Gear hot jacket positioning tool and the engine assembly applied thereof and automobile |
| CN103644038A (en) * | 2013-12-04 | 2014-03-19 | 鞠小平 | Automobile tile cover |
| CN107398843A (en) * | 2016-05-19 | 2017-11-28 | 北京汽车动力总成有限公司 | A kind of localization method of engine main bearing cover |
| CN107355307A (en) * | 2017-09-06 | 2017-11-17 | 广西玉柴机器股份有限公司 | Cylinder block main shaft bearing structure |
| CN108816493A (en) * | 2018-08-13 | 2018-11-16 | 南京凯盛国际工程有限公司 | A kind of Vertical Mill pillar construction |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120208 |
|
| CX01 | Expiry of patent term |