CN203926446U - A kind of from heat radiation low frictional torque bearing seat - Google Patents
A kind of from heat radiation low frictional torque bearing seat Download PDFInfo
- Publication number
- CN203926446U CN203926446U CN201420328744.1U CN201420328744U CN203926446U CN 203926446 U CN203926446 U CN 203926446U CN 201420328744 U CN201420328744 U CN 201420328744U CN 203926446 U CN203926446 U CN 203926446U
- Authority
- CN
- China
- Prior art keywords
- bearing
- heat conductive
- conductive tube
- axis hole
- low frictional
- 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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Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model relates to a kind of low frictional torque bearing of heat radiation certainly seat, and this bearing support comprises bearing base and bearing bore, is provided with bearing in bearing bore, and this bearing comprises outer ring, inner ring, rolling element; In bearing base, be provided with an annular heat conductive tube around bearing bore, be also provided with the straight heat conductive tube of at least one and annular heat conductive tube conducting outward and at least one is enclosed within the radiating fin on straight heat conductive tube at bearing base; In inner ring, have axis hole, have uniformly some towards the open-topped oil groove of axis hole in the inwall surrounding of this axis hole.The utility model is not only owing to having uniformly oil groove at shaft hole inner wall and can directly reduce the rubbing surface of camshaft and shaft hole inner wall, and frictional force is little, and the Energy Intensity Reduction of internal-combustion engine, has improved the competitiveness of product in market; And effectively reduced the temperature of bearing support, extend the working life of bearing support.
Description
Technical field
The utility model relates to a kind of bearing support, particularly relates to a kind of from heat radiation low frictional torque bearing seat.
Background technique
Bearing support in Modern Internal-Combustion Engine is the member for spring bearing and camshaft.The material of bearing support is all generally that special bearing support steel is made by various processing, better bearing support steel also has the limiting temperature of their uses.Current bearing support does not all arrange sink, under use state, if temperature is too high, be easy to make bearing support surface to occur segmentation crack, the too high bearing support of temperature is also easy to occur segmentation crack meeting under cold state, the situations such as the product that causes producing occurs being out of shape, pulls, sticking to mould.
Model utility content
It is a kind of from heat radiation low frictional torque bearing seat that the purpose of this utility model is to provide for above-mentioned shortcomings and deficiencies of the prior art, it is good and cause the problem that frictional force is large that this bearing support has not only solved the fitting surface lubrication effect of bearing of camshaft of the prior art and bearing support, improve the competitiveness of product in market, and effectively reduced the temperature of bearing support, extend the working life of bearing support.
The purpose of this utility model is realized by following technological scheme.
A kind of low frictional torque bearing of heat radiation certainly seat, comprises bearing base and bearing bore, and described bearing bore is arranged on bearing base, is symmetrically arranged with two pedestal fixed holes at bearing base two ends; In described bearing bore, be provided with the bearing for support rotating axle, this bearing comprises outer ring, inner ring, rolling element; Rolling element is between inner ring and the raceway of outer ring; It is characterized in that:
In described inner ring, have axis hole, have uniformly some towards the open-topped oil groove of axis hole in the inwall surrounding of this axis hole;
In described bearing base, be provided with an annular heat conductive tube around bearing bore, be also provided with the straight heat conductive tube of at least one and described annular heat conductive tube conducting outward and at least one is enclosed within the radiating fin on described straight heat conductive tube at described bearing base; Described annular heat conductive tube and straight heat conductive tube are the airtight copper pipe of inner hollow, and this copper pipe inside is reticular structure, and condensed fluid is housed.
Further, described bearing base is one-body molded.
Further, described condensed fluid is water, methyl alcohol or ethanol.
Further, described radiating fin is square sheet, adopts and is made of aluminum or copper, and is provided with multiplely, is parallel distribution, is all enclosed within on described straight heat conductive tube.
Compared with prior art, the advantage from heat radiation low frictional torque bearing seat described in the utility model is:
1, the utility model is provided with the straight heat conductive tube of at least one and annular heat conductive tube conducting outward and at least one is enclosed within the radiating fin on straight heat conductive tube at bearing base, when bearing support work, produces amount of heat, and heat is transmitted on radiating fin by heat conductive tube.This radiating fin is square sheet, adopts and is made of aluminum or copper, and is provided with multiplely, is parallel distribution, and heat diffusion area is large, and radiating efficiency is high.The utility model adopts heat pipe heat radiation and the metallic material mode combining of dispelling the heat, heat conduction and heat dispersion improve greatly, effectively reduce the temperature of bearing support, prevent that bearing support from causing the appearance of segmentation crack because of excess Temperature, the situations such as the product of having avoided producing occurs being out of shape, pulls, sticking to mould, have extended working life of bearing support.
2, the utility model, because bearing base is one-body molded, has reduced wall thickness, and the obvious weight that reduced that compared with prior art monoblock forms, realizes the minimizing of the fuel consume in vehicle internal combustion engine, reaches the object of energy-conserving and environment-protective.
3, the utility model has some towards the open-topped oil groove of axis hole uniformly in the inwall surrounding of axis hole, when camshaft is inserted after axis hole, in some oil grooves of the inwall surrounding of this axis hole, inject lubricant oil, owing to having uniformly oil groove at shaft hole inner wall and can directly reduce the rubbing surface of axle and shaft hole inner wall, reduce the friction factor of axle and axis hole, the fitting surface high lubricating effect of the bearing of camshaft and bearing support, camshaft rotational resistance is little, the Energy Intensity Reduction that causes internal-combustion engine, has improved the competitiveness of product in market.
Brief description of the drawings
Fig. 1 is the structural representation of the utility model from heat radiation low frictional torque bearing seat.
Fig. 2 is the sectional view of the utility model from heat radiation low frictional torque bearing seat.
In figure: 1 inner ring, 2 rolling elements, 3 outer rings, 4 oil grooves, 5 axis holes, 6 bearing bases, 7 pedestal fixed holes, 8 annular heat conductive tubes, 9 straight heat conductive tubes, 10 condensed fluids, 11 radiating fin.
Embodiment
Further describe structure of the present utility model below in conjunction with accompanying drawing 1, Fig. 2.
A kind of low frictional torque bearing of heat radiation certainly seat, comprises bearing base 6 and bearing bore, and described bearing bore is arranged on bearing base 6, is symmetrically arranged with two pedestal fixed holes 7 at bearing base 6 two ends; In described bearing bore, be provided with the bearing for support rotating axle.In described bearing base 6, be provided with an annular heat conductive tube 8 around bearing bore, outside described bearing base 6, be also provided with the straight heat conductive tube 9 of at least one and described annular heat conductive tube 8 conductings and at least one is enclosed within the radiating fin 11 on described straight heat conductive tube 9; Described annular heat conductive tube 8 and straight heat conductive tube 9 are the airtight copper pipe of inner hollow, and this copper pipe inside is reticular structure, and condensed fluid 10 is housed.The utility model is provided with the straight heat conductive tube 9 of at least one and 8 conductings of annular heat conductive tube outside bearing base 6 and at least one is enclosed within the radiating fin 11 on straight heat conductive tube 9, when bearing support work, produces amount of heat, and heat is transmitted on radiating fin 11 by heat conductive tube.This radiating fin 11 is square sheet, adopts and is made of aluminum or copper, and is provided with multiplely, is parallel distribution, and heat diffusion area is large, and radiating efficiency is high.The utility model adopts heat pipe heat radiation and the metallic material mode combining of dispelling the heat, heat conduction and heat dispersion improve greatly, effectively reduce the temperature of bearing support, prevent that bearing support from causing the appearance of segmentation crack because of excess Temperature, the situations such as the product of having avoided producing occurs being out of shape, pulls, sticking to mould, have extended working life of bearing support.
Described condensed fluid 10 is water, methyl alcohol or ethanol.Described radiating fin 11 is square sheet, adopts and is made of aluminum or copper, and is provided with multiplely, is parallel distribution, is all enclosed within on described straight heat conductive tube 9.Annular heat conductive tube 8 of the present utility model and straight heat conductive tube 9 are cylindrical body, cone or other shape, and it is netted structure that annular heat conductive tube 8 and straight heat conductive tube 9 all adopt metallic material to make surface airtight, middle.The surperficial seal structure of annular heat conductive tube 8 and straight heat conductive tube 9 and middle reticular structure can be one can be also split, in the mesh structural porous structure of centre, be equipped with after condensed fluid 10, after being heated, condensed fluid 10 can in time heat be delivered to the far-end of straight heat conductive tube 9, and passed fast by multiple radiating fin 11.
Bearing support described in the utility model comprises bearing base 6 and is positioned at symmetrically arranged two the pedestal fixed holes 7 in bearing base 6 two ends; On described bearing base 6, be provided with a bearing bore, be provided with the bearing for support rotating axle in described bearing bore, described bearing base 6 is one-body molded.The utility model, because bearing base 6 is one-body molded, has reduced wall thickness, and the obvious weight that reduced that compared with prior art monoblock forms, realizes the minimizing of the fuel consume in vehicle internal combustion engine, reaches the object of energy-conserving and environment-protective.
Bearing in bearing bore comprises outer ring 3, inner ring 1, rolling element 2; Rolling element 2 is between inner ring 1 and the raceway of outer ring 3; In described inner ring 1, have axis hole 5, have uniformly some towards the open-topped oil groove 4 of axis hole 5 in the inwall surrounding of this axis hole 5.Have uniformly some towards the open-topped oil groove 4 of axis hole in the inwall surrounding of axis hole 5, when camshaft is inserted after axis hole 5, to the interior injection lubricant oil of some oil grooves 4 of the inwall surrounding of this axis hole 5, owing to having uniformly oil groove 4 at axis hole 5 inwalls and can directly reduce the rubbing surface of axle and axis hole 5 inwalls, reduce the friction factor of axle and axis hole 5, the fitting surface high lubricating effect of the bearing of camshaft and bearing support, camshaft rotational resistance is little, the Energy Intensity Reduction that causes internal-combustion engine, has improved the competitiveness of product in market.
Claims (4)
1. the low frictional torque bearing seat that certainly dispels the heat, comprise bearing base (6) and bearing bore, it is upper that described bearing bore is arranged on bearing base (6), is symmetrically arranged with two pedestal fixed holes (7) at bearing base (6) two ends; In described bearing bore, be provided with the bearing for support rotating axle, this bearing comprises outer ring (3), inner ring (1), rolling element (2); Rolling element (2) is positioned between inner ring (1) and the raceway of outer ring (3); It is characterized in that:
In described inner ring (1), have axis hole (5), have uniformly some towards the open-topped oil groove of axis hole (5) (4) in the inwall surrounding of this axis hole (5);
In described bearing base (6), be provided with an annular heat conductive tube (8) around bearing bore, outside described bearing base (6), be also provided with the straight heat conductive tube (9) of at least one and described annular heat conductive tube (8) conducting and at least one is enclosed within the radiating fin (11) on described straight heat conductive tube (9); Described annular heat conductive tube (8) and straight heat conductive tube (9) are the airtight copper pipe of inner hollow, and this copper pipe inside is reticular structure, and condensed fluid (10) is housed.
2. one according to claim 1, from heat radiation low frictional torque bearing seat, is characterized in that: described bearing base (6) is one-body molded.
3. one according to claim 1, from heat radiation low frictional torque bearing seat, is characterized in that: described condensed fluid (10) is water, methyl alcohol or ethanol.
4. according to the heat radiation low frictional torque bearing seat certainly of the one described in claim 1,2 or 3, it is characterized in that: described radiating fin (11) is square sheet, adopts and is made of aluminum or copper, and is provided with multiple, be parallel distribution, be all enclosed within on described straight heat conductive tube (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328744.1U CN203926446U (en) | 2014-06-09 | 2014-06-09 | A kind of from heat radiation low frictional torque bearing seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420328744.1U CN203926446U (en) | 2014-06-09 | 2014-06-09 | A kind of from heat radiation low frictional torque bearing seat |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203926446U true CN203926446U (en) | 2014-11-05 |
Family
ID=51822261
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420328744.1U Expired - Fee Related CN203926446U (en) | 2014-06-09 | 2014-06-09 | A kind of from heat radiation low frictional torque bearing seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203926446U (en) |
-
2014
- 2014-06-09 CN CN201420328744.1U patent/CN203926446U/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: 20141105 Termination date: 20150609 |
|
| EXPY | Termination of patent right or utility model |