CN202391951U - Angular contact ball bearing without dust cap - Google Patents
Angular contact ball bearing without dust cap Download PDFInfo
- Publication number
- CN202391951U CN202391951U CN2011204741122U CN201120474112U CN202391951U CN 202391951 U CN202391951 U CN 202391951U CN 2011204741122 U CN2011204741122 U CN 2011204741122U CN 201120474112 U CN201120474112 U CN 201120474112U CN 202391951 U CN202391951 U CN 202391951U
- Authority
- CN
- China
- Prior art keywords
- contact ball
- right angle
- ball bearing
- angular contact
- angle 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
- F16C33/767—Sealings of ball or roller bearings integral with the race
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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
- F16C19/16—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 a single row of balls
- F16C19/163—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 a single row of balls with angular contact
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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
- F16C33/583—Details of specific parts of races
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
An angular contact ball bearing without a dust cap comprises outer rings (1), inner rings (2), contact balls (3) and retainers (4). The outer rings are provided with inner rectangular grooves (1.2) and outer ribs (1.1), the inner rings are provided with outer rectangular grooves (2.2) and inner ribs (2.1), both outer diameters and widths of the inner ribs are smaller than inner diameters and widths of the inner rectangular grooves, both inner diameters and widths of the outer ribs (1.1) are smaller than outer diameters and widths of the outer rectangular grooves, a narrow clip-shaped gap is formed between each of the outer ribs, each of the outer rectangular grooves, each of the inner ribs and each of the inner rectangular grooves, lubricating grease is daubed inside the clip-shaped gaps and the retainers. The inner ribs and the inner rectangular grooves are matched with each other, and the outer ribs and the outer rectangular grooves are matched with each other, so that looseness and dropping when the dust cap is arranged are avoided fundamentally; meanwhile the inner ribs and the outer ribs have better stiffness, so that outside dust can be stopped from intruding inside the angular contact ball bearing effectively, and dustproof effect of the angular contact ball bearing without the dust cap is better than that of an angular contact ball bearing with a dust cap.
Description
Technical field
The utility model belongs to technical field of bearings, especially a kind of angular contact ball bearing that does not have dust cover.
Background technique
The angular contact ball bearing of band dust cover is to use one type of rolling bearing the most widely, and it uses installation all very simple, has reasonable environmental suitability again.
The angular contact ball bearing of band dust cover is in the dust cover card inner ring or the draw-in groove of outer ring with the dust cover of punching press and band Spring Steel Wire collar, also has directly equal dust cover to be pressed onto the structure of draw-in groove.
The dustproof cover structure of band Spring Steel Wire collar is more firm; But require the draw-in groove physical dimension of inner ring or outer ring very tight; If the size of draw-in groove is tight, the dust cover dress of band Spring Steel Wire collar does not advance in the draw-in groove, if the size of draw-in groove pine; The dust cover of band Spring Steel Wire collar will produce in draw-in groove and rock, so the dust cover and the draw-in groove difficulty of processing of band Spring Steel Wire collar are just bigger.
The structure of direct gland, the control of impacting force are also very difficult, and the too mandrel bearing ring of pressure can be out of shape, and influences bearing accuracy; The too pine of pressing, dust cover comes off easily.
Summary of the invention
For addressing the above problem; The utility model provides a kind of angular contact ball bearing that does not have dust cover; This angular contact ball bearing has been symmetrical set inside and outside rib respectively on outer ring and inner ring; Form a very narrow back-shaped gap between the inside and outside rib, make angular contact ball bearing under no dust cover is provided with, have dust reduction capability through smear lubricating grease in back-shaped gap, thereby play the good dust-proof effect.
For realizing the foregoing invention purpose, the utility model adopts following technological scheme:
A kind of angular contact ball bearing that does not have dust cover, this angular contact ball bearing comprise outer ring, inner ring, contact ball and retainer, wherein 1/4 arc raceway and the wrapping angle of the semi-circle raceway of outer ring configuration, inner ring configuration
α ° of design parameter that all keeps former angular contact ball bearing, the contact ball is installed between said semi-circle raceway and said 1/4 arc raceway through retainer.
Outer ring section after partly cuing open is arranged to stepped ┓ shape; Right angle groove and outer rib in disposing in this stepped ┓ shape; The diameter of interior right angle groove is ND; The width of interior right angle groove is NK, disposes the semi-circle raceway in the internal diameter end of outer ring, and the radius of curvature of this semi-circle raceway is complementary with the diameter that contacts ball; Inner ring section after partly cuing open is designed to stepped ┗ shape; Dispose outer right angle groove and inner retaining side in this stepped ┗ shape; The diameter of outer right angle groove is WD, and the width of outer right angle groove is WK, disposes 1/4 arc raceway in the external diameter end of inner ring; The radius of curvature of this 1/4 arc raceway is complementary with the diameter that contacts ball, and the wrapping angle of this 1/4 arc raceway is α °; The external diameter of inner retaining side and width are all less than said ND and said NK; The internal diameter of outer rib and width are all less than said WD and said WK; Outer rib and outer right angle groove and inner retaining side and very narrow back-shaped gap of interior right angle groove formation are smeared lubricating grease in this back-shaped gap and retainer.
Because adopt aforesaid technological scheme, the utility model produces following good effect:
1, on inner ring and outer ring, be provided with respectively inner retaining side and outside rib, inner retaining side and interior right angle groove are joined mutually, outer rib and outer right angle groove are joined mutually, fundamentally having avoided is having dust cover that the following situation becoming flexible and come off of occurring is set.
2, it is uncomplicated to have a structure of inner ring and outer ring of inner retaining side and outer rib, thereby its processing is also uncomplicated, has improved the manufacturability of angular contact ball bearing.
3, the dustproof effect that inner retaining side and outer rib rose is than the dustproof better effects if with dust cover, and inner retaining side has better rigidity with outer rib simultaneously, can stop effectively that extraneous dust invades angular contact ball bearing inside.
Though 4, the utility model does not have dust cover but really has the dust sealing effect.
The utility model novel structure, uniqueness.
Description of drawings
Fig. 1 is the structural representation after the utility model partly cuts open;
Among Fig. 1: the 1-outer ring; 1.1-outer rib; 1.2-interior right angle groove; The 2-inner ring; 2.1-inner retaining side; 2.2-outer right angle groove; 3-contacts ball; The 4-retainer.
Embodiment
The utility model is a kind of angular contact ball bearing that does not have dust cover.
The angular contact ball bearing of the utility model comprises outer ring 1, inner ring 2, contact ball 3 and retainer 4; Wherein 1/4 arc raceway and wrapping angle α ° of design parameter that all keeps former angular contact ball bearing of the semi-circle raceway of outer ring 1 configuration, inner ring 2 configurations contact ball 3 and are installed between said semi-circle raceway and said 1/4 arc raceway through retainer 4.
In conjunction with Fig. 1; Especially first that combines Fig. 1 cuts open, and stepped ┓ shape is arranged in the outer ring 1 after the utility model will partly cut open, right angle groove 1.2 and outer rib 1.1 in disposing in this stepped ┓ shape; The diameter of interior right angle groove 1.2 is ND; The width of interior right angle groove 1.2 is NK, and 1 internal diameter end disposes the semi-circle raceway in the outer ring, and the radius of curvature of this semi-circle raceway is complementary with the diameter that contacts ball 3.
First that in like manner combines Fig. 1 cuts open; Inner ring 2 sections after the utility model will partly cut open are designed to stepped ┗ shape, dispose outer right angle groove 2.2 and inner retaining side 2.1 in this stepped ┗ shape, and the diameter of outer right angle groove 2.2 is WD; The width of outer right angle groove 2.2 is WK; External diameter end at inner ring 2 disposes 1/4 arc raceway, and the radius of curvature of this 1/4 arc raceway is complementary with the diameter that contacts ball 3, and the wrapping angle of this 1/4 arc raceway is α °.
The external diameter of inner retaining side 2.1 and width are all less than said ND and said NK, and said ND is the diameter of said interior right angle groove 1.2, and said NK is the width of said interior right angle groove 1.2.The internal diameter of outer rib 1.1 and width are all less than said WD and said WK, and said WD is the diameter of said outer right angle groove 2.2, and said WK is the width of said outer right angle groove 2.2.The dustproof effect that inner retaining side 2.1 and outer rib 1.1 are risen is than the dustproof better effects if with dust cover, and inner retaining side 2.1 and outer rib 1.1 are better than the rigidity that is provided with dust cover simultaneously.
Outer rib 1.1 forms a very narrow back-shaped gap with outer right angle groove 2.2 and inner retaining side 2.1 with interior right angle groove 1.2, in this back-shaped gap and retainer, smears lubricating grease.Smear lubricating grease in this back-shaped gap and can stop effectively that extraneous dust invades angular contact ball bearing inside, do not produce mutual friction mutually when this back-shaped gap can make inner ring 2 rotate with outer ring 1.
Really do not have the dust sealing effect though the utility model has dust cover, fundamentally avoided in said back-shaped gap, smearing lubricating grease, effectively guaranteed the dustproof effect of bearing there being dust cover that following easy the to be loosening and easy obscission that is occurred is set,
Claims (1)
1. angular contact ball bearing that does not have dust cover; This angular contact ball bearing comprises outer ring (1), inner ring (2), contact ball (3) and retainer (4); Wherein 1/4 arc raceway and wrapping angle α ° of design parameter that all keeps former angular contact ball bearing of the semi-circle raceway of outer ring (1) configuration, inner ring (2) configuration contact ball (3) and are installed between said semi-circle raceway and said 1/4 arc raceway through retainer (4); It is characterized in that: outer ring (1) section after will partly cuing open is arranged to stepped ┓ shape; Right angle groove (1.2) and outer rib (1.1) in disposing in this stepped ┓ shape; The diameter of interior right angle groove (1.2) is ND; The width of interior right angle groove (1.2) is NK, and the internal diameter end of (1) disposes the semi-circle raceway in the outer ring, and the radius of curvature of this semi-circle raceway is complementary with the diameter that contacts ball (3); Inner ring (2) section after partly cuing open is designed to stepped ┗ shape; Dispose outer right angle groove (2.2) and inner retaining side (2.1) in this stepped ┗ shape; The diameter of outer right angle groove (2.2) is WD, and the width of outer right angle groove (2.2) is WK, disposes 1/4 arc raceway in the external diameter end of inner ring (2); The radius of curvature of this 1/4 arc raceway is complementary with the diameter that contacts ball (3), and the wrapping angle of this 1/4 arc raceway is α °; The external diameter of inner retaining side (2.1) and width are all less than said ND and said NK; The internal diameter of outer rib (1.1) and width are all less than said WD and said WK; Outer rib (1.1) and outer right angle groove (2.2) and inner retaining side (2.1) and interior right angle groove (1.2) form a very narrow back-shaped gap, in this back-shaped gap and retainer, smear lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204741122U CN202391951U (en) | 2011-11-25 | 2011-11-25 | Angular contact ball bearing without dust cap |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204741122U CN202391951U (en) | 2011-11-25 | 2011-11-25 | Angular contact ball bearing without dust cap |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202391951U true CN202391951U (en) | 2012-08-22 |
Family
ID=46666879
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204741122U Expired - Fee Related CN202391951U (en) | 2011-11-25 | 2011-11-25 | Angular contact ball bearing without dust cap |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202391951U (en) |
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2011
- 2011-11-25 CN CN2011204741122U patent/CN202391951U/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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120822 Termination date: 20171125 |