CN201448356U - Angular contact ball bearing - Google Patents
Angular contact ball bearing Download PDFInfo
- Publication number
- CN201448356U CN201448356U CN 200920040879 CN200920040879U CN201448356U CN 201448356 U CN201448356 U CN 201448356U CN 200920040879 CN200920040879 CN 200920040879 CN 200920040879 U CN200920040879 U CN 200920040879U CN 201448356 U CN201448356 U CN 201448356U
- Authority
- CN
- China
- Prior art keywords
- ball
- outer shroud
- circle
- angular contact
- load
- 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
- 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
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
- F16C19/183—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact with two rows at opposite angles
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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
- F16C19/20—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows with loose spacing bodies, e.g. balls, between the bearing balls
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/37—Loose spacing bodies
- F16C33/3713—Loose spacing bodies with other rolling elements serving as spacing bodies, e.g. the spacing bodies are in rolling contact with the load carrying rolling elements
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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
- F16C33/30—Parts of ball or roller bearings
- F16C33/58—Raceways; Race rings
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
Abstract
The utility model relates to a ball bearing, in particular an angular contact ball bearing which comprises an inner ring, an outer ring and tow rows of loading balls, wherein the two rows of loading balls are respectively arranged on two trenches of the inner ring and contacted with corresponding trenches of the outer ring; and the angular contact ball bearing also comprises separating balls and separating circles with separating ball trenches; the outer ring comprises a first outer ring and a second outer ring which are symmetrical and installed-connected into a whole face to face, and the two outer rings are respectively provided with installing trenches of the loading balls and step holes symmetrical to the combination surface thereof; the step holes are internally provided with float-type separating rings in design; and the trenches of the separating rings are internally provided with separating balls that are arranged axially between the two rows of loading balls and circumferentially arranged between two loading balls. The angular contact ball bearing has the advantages of strong bearing capability, low increased temperature at high operation speed and long service life under the condition of the same bearing outer diameter, and of course has the advantages of small volume, long service life and low cost under the condition of the same bearing capability.
Description
Technical field
The utility model relates to a kind of ball bearing, particularly a kind of angular contact ball bearing.
Background technique
Double-row angular contact bal bearing of the prior art includes interior ring, outer shroud, biserial load ball and retainer.Retainer is with load ball circumferentially spaced, the load ball is installed in the raceway groove of inner and outer rings, because retainer will take a certain proportion of circumferential space, make bearing interior space not to be fully used, the restriction of this structure, want to make bearing to bear bigger load, just can only increase the spatial volume of bearing, rely on the spatial volume that increases bearing to increase the quantity of load ball, diameter with the load ball, and reaching the purpose that improves bearing capacity, this has caused the waste of material and the increase of cost virtually, and makes the mechanical structure space become big.
Summary of the invention
The purpose of this utility model provides a kind ofly under the condition of same bearing space volume, can bear bigger load, and surface friction drag is little, the little a kind of angular contact ball bearing of temperature rise when running up.Or, effectively dwindle the bearing space volume bearing under the condition of same load, and dwindle the mechanical structure space to reach, alleviate the purpose of mechanical structure weight.
The utility model is that the technological scheme that adopts that achieves the above object is: a kind of angular contact ball bearing, comprise interior ring, outer shroud and load ball, the load ball has two row, on two raceway grooves that encircle in being installed in respectively, and contact with the corresponding raceway groove of outer shroud, its innovative point is:
A, also comprise and separate ball and separates circle, separate the raceway groove that circle has installation separation ball;
B, outer shroud comprise the first symmetrical outer shroud and second outer shroud, two relative loads in outer ring surface opposite are one, first outer shroud and second outer shroud have the installation raceway groove of load ball respectively, have the step hole symmetrical with its junction plane, design has floating type separation circle in the step hole, separates in the raceway groove that encloses the separation ball is housed;
C, the described separation ball journal that is installed in separation circle raceway groove place are to listing between the lotus ball two, and circumferencial direction promptly has one to separate ball in the middle of four load balls between two load balls.
It is the circular groove vertical with the outer shroud radial direction of symmetry that the outer circle wall of described first outer shroud and the relative joint of second outer shroud is provided with the junction surface, is fixed with fastener rings in the circular groove.
At least being provided with three on the outer circle wall of described first outer shroud and the relative joint of second outer shroud is symmetrical with the junction surface, and the circular groove vertical with the outer shroud radial direction is fixed with fastener rings in the circular groove.
The inner ring surface of described circular groove is a conical surface, and outer ring surface is a cylindrical surface, and the width of the bottom land of circular groove is greater than the width of notch.
The diameter of described separation ball is 0.6～0.75 times of load bulb diameter.
The raceway diameter of described separation circle is less than or equal to whole circle and separates ball circumcircle diameter.
The utility model utilizes fastener rings that two outer rings are connected as a single entity, separating ball is positioned in the middle of the load ball. saved the position that retainer takies, under the situation of bearing space constancy of volume, the utility model can increase the quantity of load ball, has improved the ability of bearing load; Or bearing under the condition of same load, effectively dwindle the bearing space volume, because the two lotus balls of listing roll in raceway groove separately, roll in the raceway groove that separates circle and separate ball, and with the load ball together around axis rotation, separate this moment circle with the load ball, separate certain relative velocity arranged between the ball, oiling agent can be introduced on the rolling surface of contact of bearing, it is lubricated fully that bearing is obtained, simultaneously because the load ball, separate to be between ball and the raceway groove contacting,, make bearing long-term work temperature rise under higher rotation speed little so surface friction drag is little.
Description of drawings
Fig. 1 is the structural representation of a kind of angular contact ball bearing of the utility model;
Fig. 2 is an A-A sectional view among Fig. 1;
Fig. 3 is the M portion enlarged view of Fig. 1;
Fig. 4 is the structural representation of outer shroud among Fig. 1;
Fig. 5 is that the load of the utility model separation ball and load ball concerns schematic representation.
Embodiment
Referring to Fig. 1,2,3,4,5, a kind of angular contact ball bearing, ring 1, outer shroud 2 and load ball 3 in comprising, load ball 3 has two row, is installed in respectively on two raceway grooves of interior ring 1, and contacts with outer shroud 2 corresponding raceway grooves, and its innovative point is:
A, also comprise and separate ball 4 and separates circle 5 that separating circle 5 has the raceway groove that separation ball 4 is installed;
B, outer shroud 2 comprise the first outer shroud 2-1 and the second outer shroud 2-2 that thinks symmetry, two relative loads in outer ring surface opposite are one, the first outer shroud 2-1 and the second outer shroud 2-2 have installation raceway groove 2-3, the 2-4 of load ball 3 respectively, have step hole 2-5, the 2-6 symmetrical with its junction plane, the design of step hole place has floating type separation circle 5, separates to be equipped with in circle 5 raceway grooves and separates ball 4;
C, the described separation ball 4 that separates circle 5 endoporus raceway groove places that is installed in are axially listed between the lotus ball 3 two, and circumferencial direction promptly has one to separate ball 4 in the middle of four load balls 3 between two load balls 3.
Owing to adopt two outer shroud 2-1,2-2 to connect as one relatively, the inner bore of step place design that it has has floating type separation circle 5, separate between circle 5 external diameters and outer shroud 2 step hole 2-5, the 2-6 enough gaps are arranged, to prevent to separate circle 5 and outer shroud 2 interferences, the raceway groove that separates in the circle 5 is equipped with separation ball 4, axially list between the lotus ball 3 and separate ball 4 two, circumferencial direction is between two load balls 3, make two list lotus balls 3 separate and be on separately the raceway groove, the lotus ball 3 of whenever listing along the circumferential direction is evenly distributed; Owing to saved the space of retainer in the ordinary construction, can make that the quantity of installed load ball 3 increases in the same diameter bearing, this just can improve the bearing capacity of bearing.
Referring to Fig. 4, for convenience, firm with two outer shroud 2-1,2-2 connects as one relatively, it is the circular groove 2-7 vertical with the outer shroud radial direction of symmetry that the outer circle wall of described first outer shroud 2-1 and the relative joint of the second outer shroud 2-2 is provided with the junction surface, is fixed with fastener rings 2-8 in the circular groove 2-7.At least being provided with three on the periphery wall of described first outer shroud 2-1 and the relative joint of the second outer shroud 2-2 is symmetrical with the junction surface, and the circular groove 2-7 vertical with the outer shroud warp direction is fixed with fastener rings 2-8 in the circular groove 2-7.Certainly also can adopt the structure shown in Fig. 3,4, the inner ring surface 2-7-1 of described circular groove 2-7 is a conical surface, and outer ring surface is that the width of bottom land of cylindrical surface and circular groove 2-7 is greater than the width of notch.After on the make fastener rings 2-8 puts into circular groove 2-7, radially suppress, on bottom land that fastener rings 2-8 can be close to circular groove 2-7 and the inner ring of circular groove 2-7, such structure makes fastener rings 2-8 be difficult for deviating from from circular groove 2-7, and more firm is fixed with one two outer shroud 2-1,2-2.
Referring to Fig. 1,2,3, increase the quantity of bearing ball 3 in order to utilize the space to greatest extent, guarantee that again the phenomenon of self-locking can appear in bearing operation flexibly and not, the diameter of described separation ball 4 is 0.6～0.75 times of diameter of load ball 3.
Referring to Fig. 1, in order to prolong the working life of bearing, the raceway diameter of described separation circle 5 is less than the circumcircle diameter that whole circle separates ball 4 is installed, so just increased the pretightening force that bearing separates circle 5, even make bearing at work load ball 3 certain wearing and tearing have been arranged, still can proper functioning, prolonged the working life of bearing.
Referring to Fig. 1, a kind of angular contact ball bearing of the present utility model utilizes four fastener rings 2-8 to be contained in two outer shroud 2-1 respectively, in four circular groove 2-7 on the excircle of the relative joint of 2-2, and the repressed cross section that makes fastener rings 2-8 is square and is close to bottom land and the inner ring of circular groove 2-7, and two outer shroud 2-1,2-2 are fixedly connected firmly as a whole.Two outer shrouds also have step hole 2-5, the 2-6 symmetrical with its junction plane, float to be equipped with and separate circle 5 in the inner bore of step place, separate between circle 5 external diameters and outer shroud 2 step hole 2-5, the 2-6 enough gaps are arranged, to prevent to separate circle 5 and outer shroud 2 interferences, and equal diameters is positioned at four load balls, 3 centres in 0.6 times separation ball 4 of load ball 3, it is on separately the raceway groove the two lotus balls 3 of listing, and the lotus ball 3 of whenever listing circumferentially is evenly distributed, separate ball 4 and on the raceway groove that separates circle 5, roll, and together rotate around the axis of bearing with load ball 3; Because it is different with the diameter of load ball 3 to separate ball 4, make that separating circle 5 has certain relative movement with separating between ball 4, the load ball 3, this makes oiling agent of feeding bearing be easy to introduce on the rolling surface of contact of bearing; Owing to separate the relative movement between ball 4 and the load ball 3,, therefore improved greasy property so its adsorption performance is good; Consider the factor of wearing and tearing, when design separates the raceway diameter of circle 5, make it less than the whole circumcircle diameter that separates ball that encloses in the bearing, guarantee that load ball 3 has certain preloading, this has just further prolonged working life of the present utility model.The utlity model has under the condition of warp outside same bearing, bearing capacity is strong, and the temperature rise that runs up is low, and the advantage of long service life, certainly under the prerequisite of same bearing capacity, a kind of angular contact ball bearing of the present utility model has that volume is little, the life-span is long, the advantage that cost is low.
Claims (6)
1. an angular contact ball bearing comprises interior ring (1), outer shroud (2) and load ball (3), and load ball (3) has two row, is installed in respectively on two raceway grooves of interior ring (1), and contacts with the corresponding raceway groove of outer shroud (2), it is characterized in that:
A, also comprise and separate ball (4) and separates circle (5), separate and enclose the raceway groove that (5) have installation separation ball (4);
B, outer shroud (2) comprise symmetrical first outer shroud (2-1) and second outer shroud (2-2), two relative loads in outer ring surface opposite are one, first outer shroud (2-1) and second outer shroud (2-2) have the installation raceway groove (2-3,2-4) of load ball (3) respectively, have the step hole symmetrical (2-5,2-6) with its junction plane, design has floating type separation circle (5) in the step hole (2-5,2-6) of outer shroud (2), separates to be equipped with in circle (5) raceway groove and separates ball (4);
C, the described separation ball (4) that is installed in separation circle (5) endoporus raceway groove place axially are positioned at two lists between the lotus ball (3), and circumferencial direction is positioned between two load balls (3), promptly has one to separate ball (4) in the middle of four load balls (3).
2. a kind of angular contact ball bearing according to claim 1, it is characterized in that: described first outer shroud (2-1) and second outer shroud (2-2) are relatively on the outer circle wall of joint, to be provided with the junction surface be the circular groove vertical with the outer shroud radial direction (2-7) of symmetry, are fixed with fastener rings (2-8) in the circular groove (2-7).
3. a kind of angular contact ball bearing according to claim 2, it is characterized in that: being provided with three on the outer circle wall of described first outer shroud (2-1) and the relative joint of second outer shroud (2-2) at least is symmetrical with the junction surface, the circular groove vertical with the outer shroud radial direction (2-7) is fixed with fastener rings (2-8) in the circular groove (2-7).
4. according to claim 2 or 3 described a kind of angular contact ball bearings, it is characterized in that: the inner ring surface (2-7-1) of described circular groove (2-7) is a conical surface, and outer ring surface is a cylindrical surface, and the width of the bottom land of circular groove (2-7) is greater than the width of notch.
5. a kind of angular contact ball bearing according to claim 1 is characterized in that: the diameter of described separation ball (4) is 0.6～0.75 times of load ball (3) diameter.
6. a kind of according to claim 1 or 5 angular contact ball bearing is characterized in that: the raceway diameter of described separation circle (5) is less than or equal to the circumcircle diameter that whole circle separates ball (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920040879 CN201448356U (en) | 2009-04-21 | 2009-04-21 | Angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200920040879 CN201448356U (en) | 2009-04-21 | 2009-04-21 | Angular contact ball bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201448356U true CN201448356U (en) | 2010-05-05 |
Family
ID=42553072
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200920040879 Expired - Fee Related CN201448356U (en) | 2009-04-21 | 2009-04-21 | Angular contact ball bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201448356U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541993A (en) * | 2012-07-16 | 2014-01-29 | 宁波康润机械科技有限公司 | Combined bearing for tubular product cutting machine |
| CN108350943A (en) * | 2015-11-11 | 2018-07-31 | 株式会社捷太格特 | Bearing arrangement |
| CN108406397A (en) * | 2018-05-10 | 2018-08-17 | 常州东风轴承有限公司 | Angular contact ball bearing outer ring vehicle connects annular groove fixture |
-
2009
- 2009-04-21 CN CN 200920040879 patent/CN201448356U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103541993A (en) * | 2012-07-16 | 2014-01-29 | 宁波康润机械科技有限公司 | Combined bearing for tubular product cutting machine |
| CN103541993B (en) * | 2012-07-16 | 2016-09-07 | 宁波康润机械科技有限公司 | Pipe cutting machine combined bearing |
| CN108350943A (en) * | 2015-11-11 | 2018-07-31 | 株式会社捷太格特 | Bearing arrangement |
| US10514059B2 (en) | 2015-11-11 | 2019-12-24 | Jtekt Corporation | Bearing device |
| CN108350943B (en) * | 2015-11-11 | 2020-04-28 | 株式会社捷太格特 | Bearing device |
| CN108406397A (en) * | 2018-05-10 | 2018-08-17 | 常州东风轴承有限公司 | Angular contact ball bearing outer ring vehicle connects annular groove fixture |
| CN108406397B (en) * | 2018-05-10 | 2024-01-30 | 常州东风轴承有限公司 | Clamp for connecting annular groove of angular contact ball bearing outer ring lathe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20140421 |