CN203670491U - Non-contact bearing - Google Patents
Non-contact bearing Download PDFInfo
- Publication number
- CN203670491U CN203670491U CN201420037017.XU CN201420037017U CN203670491U CN 203670491 U CN203670491 U CN 203670491U CN 201420037017 U CN201420037017 U CN 201420037017U CN 203670491 U CN203670491 U CN 203670491U
- Authority
- CN
- China
- Prior art keywords
- bearing
- raceway
- outer ring
- groove circle
- groove
- 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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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/80—Labyrinth sealings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a non-contact bearing. The key point of the technical scheme is that the non-contact bearing comprises a bearing outer ring, a bearing inner ring, a retainer and rolling bodies, wherein the rolling bodies are fixed between the bearing outer ring and the bearing inner ring through the retainer, the bearing outer ring and the bearing inner ring are respectively provided with rolling paths for the rolling bodies to roll, two sides between the bearing outer ring and the bearing inner ring are respectively provided with annular bearing covers, and each bearing cover consists of a first bearing cover and a second bearing cover. Each of the first bearing cover and the second bearing cover comprises an outer ring, an inner ring and an end cover for connecting the outer ring with the inner ring, outer rings of two first bearing covers are inserted into and fixed on two sides of the bearing outer ring, two sides of the bearing inner ring are respectively provided with first groove rings, the inner rings of the first bearing covers are inserted into the first groove rings in a clearance fit mode, the inner rings of two second bearing covers are respectively inserted onto and fixed on two sides of the bearing inner ring, two sides of the bearing outer ring are respectively provided with second groove rings, and the outer rings of the second bearing covers are inserted into the second groove rings in a clearance fit mode. The bearing is dustproof effect, and a phenomenon that the bearing is stuck is avoided.
Description
Technical field
The utility model relates to a kind of bearing, and more particularly, it relates to a kind of non-contact type bearing.
Background technique
Because some severe place must require very high to the dustproof energy of the bearing using, in order to pursue better dust-proof effect, deliberately add the magnitude of interference between big sealing ring and bearing, cause friction torque to increase, bearing temperature raises, also can accelerate the wearing and tearing between dust cover and bearing, cause dust cover to lose dust-proof effect.
Now gone out on the market a kind of contactless bearing, between seal ring one end and race ring, be provided with space, but the impurity of this non-contact type bearing outside still can enter into bearing, easily occurs stuck phenomenon.
Model utility content
The deficiency existing for prior art, the purpose of this utility model is to provide a kind of good dustproof effect, and anti-jamming non-contact type bearing has been avoided friction torque increase, and bearing temperature raises, and prevents the wearing and tearing between dust cover and bearing.
For achieving the above object, the utility model provides following technological scheme: a kind of non-contact type bearing, comprise bearing outer ring, bearing inner race, retainer and rolling element, described rolling element is fixed between bearing outer ring and bearing inner race by retainer, on described bearing outer ring and bearing inner race, be respectively equipped with the first raceway and second raceway that can roll for rolling element, both sides between described bearing outer ring and bearing inner race are respectively equipped with annular bearing cap, described bearing cap is made up of clutch shaft bearing lid and the second bearing cap, described first, the second bearing cap includes outer shroud, interior ring be connected in, the end cap of outer shroud, the outer shroud of described two clutch shaft bearing lids inserts respectively and is fixed on bearing outer ring both sides, described bearing inner race both sides are respectively equipped with the first groove circle, the interior ring of described clutch shaft bearing lid inserts in the first groove circle and is Spielpassung, the interior ring of described two second bearing caps inserts respectively and is fixed on bearing inner race both sides, described bearing outer ring both sides are respectively equipped with the second groove circle, the outer shroud of described the second bearing cap inserts in the second groove circle and is Spielpassung, described clutch shaft bearing lid is arranged on the outside of the second bearing cap, between described clutch shaft bearing lid and the second bearing cap, be equipped with gap.
By adopting technique scheme, bearing cap is made up of clutch shaft bearing lid and the second bearing cap, first, the second bearing cap includes outer shroud, interior ring be connected in, the end cap of outer shroud, the outer shroud of two clutch shaft bearing lids inserts respectively and is fixed on bearing outer ring both sides, bearing inner race both sides are respectively equipped with the first groove circle, the interior ring of clutch shaft bearing lid inserts in the first groove circle and is Spielpassung, the interior ring of two second bearing caps inserts respectively and is fixed on bearing inner race both sides, bearing outer ring both sides are respectively equipped with the second groove circle, the outer shroud of the second bearing cap inserts in the second groove circle and is Spielpassung.Bearing is in process rotationally like this, bearing cap can not touch simultaneously bearing in, outer ring, avoid friction torque increase, bearing temperature raises, prevent the wearing and tearing between dust cover and bearing, and this two bearings lid has formed the structure of a maze type, as will entering into bearing inside, impurity must first pass through the first groove circle, pass through again the gap between clutch shaft bearing lid and the second bearing cap, also to pass through the second groove circle, the first groove circle and the second groove circle were difficult to enter with regard to impurity originally, between clutch shaft bearing lid and the second bearing cap, be also provided with interstitial impurity just more difficult to get access to bearing inside, this bearing has good dust-proof effect.
The utility model is further set to: described the first groove depth is that the size of 1/3rd and the first raceway opening of bearing outer ring thickness is 1/2nd of bearing outer ring width, described the first bottom, raceway center is provided with the 3rd groove circle communicating with the first raceway, the groove depth of described the 3rd groove circle is 1/2nd of the first groove depth, and the openings of sizes of described the 3rd groove circle is the big or small by 1/4th of the first raceway opening.
The utility model is further set to: described the second groove depth is that the size of 1/3rd and the second raceway opening of bearing inner race thickness is 1/2nd of bearing inner race width, described the second bottom, raceway center is provided with the 4th groove circle communicating with the second raceway, the groove depth of described the 4th groove circle is 1/2nd of the second groove depth, and the openings of sizes of described the 4th groove circle is the big or small by 1/4th of the second raceway opening.
The utility model is further set to: described the first raceway and the 3rd groove circle are interconnected and connecting part is rounding structure, and described the second raceway and the 4th groove circle are interconnected and connecting part is rounding structure.
By adopting technique scheme, in bearing, the bottom of outer ring raceway is equipped with groove circle, this groove circle can store lubricant oil and lubricate rolling element, in the time that impurity enters into bearing inside, impurity can drop in groove circle along raceway, prevent impurity by phenomenon stuck rolling element, the first groove depth is 1/3rd of bearing outer ring thickness, the groove depth of the 3rd groove circle is 1/2nd of the first groove depth, the second groove depth is 1/3rd of bearing inner race thickness, the groove depth of the 4th groove circle is 1/2nd of the second groove depth, ensureing under the intensity of bearing outer ring and bearing inner race, rolling element is rolled more smoothly in raceway, make groove circle have oil storage capacity and anti-sticking effect better.
The utility model is further set to: described rolling element is ceramic body.
By adopting technique scheme, rolling element is ceramic body, has the characteristics such as high temperature resistant, cold-resistant, wear-resisting, corrosion-resistant, diamagnetic electrical insulation, oil-free self lubrication, high rotating speed.
Brief description of the drawings
Fig. 1 is the utility model non-contact type bearing embodiment's section.
Reference character: 1, bearing inner race; 2, bearing outer ring; 3, the 3rd groove circle; 4, rolling element; 5, the second bearing cap; 6, clutch shaft bearing lid; 7, the second groove circle; 8, the first groove circle; 9, retainer; 10, outer shroud; 11, interior ring; 12, end cap; 13, gap; 14, the first raceway; 15, the second raceway; 16, the 4th groove circle.
Embodiment
With reference to Fig. 1, the utility model non-contact type bearing embodiment is described further.
A kind of non-contact type bearing, comprise bearing outer ring 2, bearing inner race 1, retainer 9 and rolling element 4, described rolling element 4 is fixed between bearing outer ring 2 and bearing inner race 1 by retainer 9, on described bearing outer ring 2 and bearing inner race 1, be respectively equipped with the first raceway 14 and second raceway 15 that can roll for rolling element 4, both sides between described bearing outer ring 2 and bearing inner race 1 are respectively equipped with annular bearing cap, described bearing cap is made up of clutch shaft bearing lid 6 and the second bearing cap 5, described first, the second bearing cap 5 includes outer shroud 10, interior ring 11 be connected in, the end cap 12 of outer shroud 10, the outer shroud 10 of described two clutch shaft bearing lids 6 inserts respectively and is fixed on bearing outer ring 2 both sides, described bearing inner race 1 both sides are respectively equipped with the first groove circle 8, the interior ring 11 of described clutch shaft bearing lid 6 inserts and in the first groove circle 8, is gap 13 and coordinates, the interior ring 11 of described two second bearing caps 5 inserts respectively and is fixed on bearing inner race 1 both sides, described bearing outer ring 2 both sides are respectively equipped with the second groove circle 7, the outer shroud 10 of described the second bearing cap 5 inserts and in the second groove circle 7, is gap 13 and coordinates, described clutch shaft bearing lid 6 is arranged on the outside of the second bearing cap 5, between described clutch shaft bearing lid 6 and the second bearing cap 5, be equipped with gap 13.
By adopting technique scheme, bearing cap is made up of clutch shaft bearing lid 6 and the second bearing cap 5, clutch shaft bearing lid 6 and the second bearing cap 5 include outer shroud 10, interior ring 11 and the end cap 12 that is connected interior ring 11 and outer shroud 10, the outer shroud 10 of two clutch shaft bearing lids 6 inserts respectively and is fixed on bearing outer ring 2 both sides, bearing inner race 1 both sides are respectively equipped with the first groove circle 8, the interior ring 11 of clutch shaft bearing lid 6 inserts and in the first groove circle 8, is gap 13 and coordinates, the interior ring 11 of two second bearing caps 5 inserts respectively and is fixed on bearing inner race 1 both sides, bearing outer ring 2 both sides are respectively equipped with the second groove circle 7, the outer shroud 10 of the second bearing cap 5 inserts and in the second groove circle 7, is gap 13 and coordinates.Bearing is in process rotationally like this, bearing cap can not touch bearing inner race 1 and bearing outer ring 2 simultaneously, avoid friction torque increase, bearing temperature raises, prevent the wearing and tearing between bearing cap and bearing, and this two bearings lid has formed the structure of a maze type, as will entering into bearing inside, impurity must first pass through the first groove circle 8, pass through again the gap 13 between clutch shaft bearing lid 6 and the second bearing cap 5, also to pass through the second groove circle 7, the first groove circle 8 and the second groove circle 7 were difficult to enter with regard to impurity originally, between clutch shaft bearing lid 6 and the second bearing cap 5, be also provided with gap 13 impurity just more difficult to get access to bearing inside, this bearing has good dust-proof effect.
Described first raceway 14 degree of depth are that the size of 1/3rd and the first raceway 14 openings of bearing outer ring 2 thickness is 1/2nd of bearing outer ring 2 width, described the first raceway 14 bottoms, center are provided with the 3rd groove circle 3 communicating with the first raceway 14, the groove depth of described the 3rd groove circle 3 is 1/2nd of first raceway 14 degree of depth, and the openings of sizes of described the 3rd groove circle 3 is the big or small by 1/4th of the first raceway 14 openings.
Described second raceway 15 degree of depth are that the size of 1/3rd and the second raceway 15 openings of bearing inner race 1 thickness is 1/2nd of bearing inner race 1 width, described the second raceway 15 bottoms, center are provided with the 4th groove circle 16 communicating with the second raceway 15, the groove depth of described the 4th groove circle 16 is 1/2nd of second raceway 15 degree of depth, and the openings of sizes of described the 4th groove circle 16 is the big or small by 1/4th of the second raceway 15 openings.
Described the first raceway 14 and the 3rd groove circle 3 are interconnected and connecting part is rounding structure, and described the second raceway 15 and the 4th groove circle 16 are interconnected and connecting part is rounding structure.
By adopting technique scheme, in bearing, the bottom of outer ring raceway is equipped with groove circle, this groove circle can store lubricant oil and lubricate rolling element 4, in the time that impurity enters into bearing inside, impurity can drop in groove circle along raceway, prevent impurity by phenomenon stuck rolling element 4, first raceway 14 degree of depth are 1/3rd of bearing outer ring 2 thickness, the groove depth of the 3rd groove circle 3 is 1/2nd of first raceway 14 degree of depth, second raceway 15 degree of depth are 1/3rd of bearing inner race 1 thickness, the groove depth of the 4th groove circle 16 is 1/2nd of second raceway 15 degree of depth, ensureing under the intensity of bearing outer ring 2 and bearing inner race 1, rolling element 4 is rolled more smoothly in raceway, make groove circle have oil storage capacity and anti-sticking effect better.
Described rolling element 4 is ceramic body.
By adopting technique scheme, rolling element 4 is ceramic body, has the characteristics such as high temperature resistant, cold-resistant, wear-resisting, corrosion-resistant, diamagnetic electrical insulation, oil-free self lubrication, high rotating speed.
Claims (5)
1. a non-contact type bearing, comprise bearing outer ring, bearing inner race, retainer and rolling element, described rolling element is fixed between bearing outer ring and bearing inner race by retainer, on described bearing outer ring and bearing inner race, be respectively equipped with the first raceway and second raceway that can roll for rolling element, both sides between described bearing outer ring and bearing inner race are respectively equipped with annular bearing cap, it is characterized in that: described bearing cap is made up of clutch shaft bearing lid and the second bearing cap, described first, the second bearing cap includes outer shroud, interior ring be connected in, the end cap of outer shroud, the outer shroud of described two clutch shaft bearing lids inserts respectively and is fixed on bearing outer ring both sides, described bearing inner race both sides are respectively equipped with the first groove circle, the interior ring of described clutch shaft bearing lid inserts in the first groove circle and is Spielpassung, the interior ring of described two second bearing caps inserts respectively and is fixed on bearing inner race both sides, described bearing outer ring both sides are respectively equipped with the second groove circle, the outer shroud of described the second bearing cap inserts in the second groove circle and is Spielpassung, described clutch shaft bearing lid is arranged on the outside of the second bearing cap, between described clutch shaft bearing lid and the second bearing cap, be equipped with gap.
2. a kind of non-contact type bearing according to claim 1, it is characterized in that: described the first groove depth is that the size of 1/3rd and the first raceway opening of bearing outer ring thickness is 1/2nd of bearing outer ring width, described the first bottom, raceway center is provided with the 3rd groove circle communicating with the first raceway, the groove depth of described the 3rd groove circle is 1/2nd of the first groove depth, and the openings of sizes of described the 3rd groove circle is the big or small by 1/4th of the first raceway opening.
3. a kind of non-contact type bearing according to claim 2, it is characterized in that: described the second groove depth is that the size of 1/3rd and the second raceway opening of bearing inner race thickness is 1/2nd of bearing inner race width, described the second bottom, raceway center is provided with the 4th groove circle communicating with the second raceway, the groove depth of described the 4th groove circle is 1/2nd of the second groove depth, and the openings of sizes of described the 4th groove circle is the big or small by 1/4th of the second raceway opening.
4. a kind of non-contact type bearing according to claim 3, is characterized in that: described the first raceway and the 3rd groove circle are interconnected and connecting part is rounding structure, and described the second raceway and the 4th groove circle are interconnected and connecting part is rounding structure.
5. a kind of non-contact type bearing according to claim 4, is characterized in that: described rolling element is ceramic body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037017.XU CN203670491U (en) | 2014-01-21 | 2014-01-21 | Non-contact bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420037017.XU CN203670491U (en) | 2014-01-21 | 2014-01-21 | Non-contact bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203670491U true CN203670491U (en) | 2014-06-25 |
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ID=50966793
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420037017.XU Expired - Fee Related CN203670491U (en) | 2014-01-21 | 2014-01-21 | Non-contact bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203670491U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090253A (en) * | 2015-08-27 | 2015-11-25 | 南通山口精工机电有限公司 | Dual-seal miniature bearing |
| WO2016188400A1 (en) * | 2015-05-26 | 2016-12-01 | 舍弗勒技术股份两合公司 | Bearing |
| CN108518421A (en) * | 2018-06-12 | 2018-09-11 | 尹苑苑 | A kind of sealing bearing |
| CN108808971A (en) * | 2018-06-12 | 2018-11-13 | 尹苑苑 | A method of improving motor service life |
| CN110792693A (en) * | 2019-11-15 | 2020-02-14 | 湖南新达微轴承有限公司 | Motor rolling bearing |
| CN112211899A (en) * | 2019-07-12 | 2021-01-12 | 斯凯孚公司 | Bearing unit with small cross section |
-
2014
- 2014-01-21 CN CN201420037017.XU patent/CN203670491U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016188400A1 (en) * | 2015-05-26 | 2016-12-01 | 舍弗勒技术股份两合公司 | Bearing |
| CN106286608A (en) * | 2015-05-26 | 2017-01-04 | 舍弗勒技术股份两合公司 | Bearing |
| CN105090253A (en) * | 2015-08-27 | 2015-11-25 | 南通山口精工机电有限公司 | Dual-seal miniature bearing |
| CN108518421A (en) * | 2018-06-12 | 2018-09-11 | 尹苑苑 | A kind of sealing bearing |
| CN108808971A (en) * | 2018-06-12 | 2018-11-13 | 尹苑苑 | A method of improving motor service life |
| CN108808971B (en) * | 2018-06-12 | 2019-10-08 | 赵文龙 | A method of improving motor service life |
| CN112211899A (en) * | 2019-07-12 | 2021-01-12 | 斯凯孚公司 | Bearing unit with small cross section |
| CN110792693A (en) * | 2019-11-15 | 2020-02-14 | 湖南新达微轴承有限公司 | Motor rolling bearing |
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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: 20140625 Termination date: 20160121 |
|
| EXPY | Termination of patent right or utility model |