CN110307254A - Angular contact ball bearing cage - Google Patents
Angular contact ball bearing cage Download PDFInfo
- Publication number
- CN110307254A CN110307254A CN201910714362.XA CN201910714362A CN110307254A CN 110307254 A CN110307254 A CN 110307254A CN 201910714362 A CN201910714362 A CN 201910714362A CN 110307254 A CN110307254 A CN 110307254A
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- China
- Prior art keywords
- convex surface
- arc
- lintel
- outside
- pocket slot
- Prior art date
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- 210000002421 cell wall Anatomy 0.000 claims abstract description 27
- 239000004519 grease Substances 0.000 description 11
- 238000005461 lubrication Methods 0.000 description 10
- 238000005096 rolling process Methods 0.000 description 10
- 238000010586 diagram Methods 0.000 description 8
- 230000001050 lubricating effect Effects 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 6
- 230000006872 improvement Effects 0.000 description 5
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000005484 gravity Effects 0.000 description 4
- 125000006850 spacer group Chemical group 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 230000004323 axial length Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 239000011800 void material Substances 0.000 description 2
- 238000007792 addition Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005242 forging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 238000012913 prioritisation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- F16C33/38—Ball cages
- F16C33/3887—Details of individual pockets, e.g. shape or ball retaining means
-
- 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
- F16C33/38—Ball cages
- F16C33/41—Ball cages comb-shaped
- F16C33/412—Massive or moulded comb cages, e.g. snap ball cages
- F16C33/414—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages
- F16C33/416—Massive or moulded comb cages, e.g. snap ball cages formed as one-piece cages, i.e. monoblock comb cages made from plastic, e.g. injection moulded comb cages
-
- 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
-
- 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
- F16C2322/00—Apparatus used in shaping articles
- F16C2322/39—General buildup of machine tools, e.g. spindles, slides, actuators
-
- 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
- F16C33/38—Ball cages
- F16C33/3806—Details of interaction of cage and race, e.g. retention, centring
-
- 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
- F16C33/38—Ball cages
- F16C33/3837—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages
-
- 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
- F16C33/586—Details of specific parts of races outside the space between the races, e.g. end faces or bore of inner ring
-
- 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
- F16C33/6659—Details of supply of the liquid to the bearing, e.g. passages or nozzles
- F16C33/6662—Details of supply of the liquid to the bearing, e.g. passages or nozzles the liquid being carried by air or other gases, e.g. mist lubrication
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
This angular contact ball bearing cage includes keeping frame body, keeping frame body includes the inner ring that one end is connected with several inside lintels, two adjacent inside lintels and inner ring form the inner conical pocket slot being in U-shape, sequentially connected middle part arc contact convex surface one and interior evacuation face one from outside to inside are equipped in the middle part of the cell wall of interior tapered pocket slot, it is respectively equipped at the cell wall both ends of interior tapered pocket slot and contacts convex surface along the inner arc of inner conical pocket groove groove wall width direction setting, and one end is connected with the outer ring of several outside lintels, two adjacent outside lintels and outer ring form the male-tapered pocket slot being in U-shape, outside lintel is fixed on the outer surface of inside lintel one by one, inner conical pocket slot and male-tapered pocket slot form above-mentioned ball pocket hole, the middle part arc contact convex surface two and interior evacuation face two set gradually from outside to inside is equipped in the middle part of the cell wall of outer tapered pocket slot , it is respectively equipped at the cell wall both ends of outer tapered pocket slot and contacts convex surface along the outer arcuate of male-tapered pocket groove groove wall width direction setting.
Description
Technical field
The invention belongs to technical field of bearings more particularly to a kind of angular contact ball bearing cages.
Background technique
Machine tool chief axis angular contact ball bearing mainly has grease lubrication and oil-air lubrication two ways, two different lubrication sides
Formula has respectively optimal retainer structure design.
Existing angular contact ball bearing cage has the drawback that
1, grease lubricating bearing retainer structure does not change, when being used for oil-air lubrication, since oil gas impact retainer is also easy to produce
Noise.
2, rolling element contacts friction with retainer greatly, and calorific value is big.
3, retainer pocket bore edges easily scratch rolling element
4, rolling element and retainer pocket hole position of collision are uncertain, keep retainer operating unstable.
Summary of the invention
Regarding the issue above, the present invention provides a kind of more reasonable angular contact ball bearing cage of design.
In order to achieve the above objectives, present invention employs following technical proposals: this angular contact ball bearing cage includes keeping
Frame body, in several ball pocket holes being circularly and evenly distributed that are circumferentially with for keeping frame body, keeping frame body includes that one end is connected with
The inner ring of several inside lintels that are circularly and evenly distributed, the one end of inside lintel far from inner ring is only slight beyond the center for keeping frame body
Sagittal plane, two adjacent inside lintels and inner ring form the inner conical pocket slot being in U-shape, in the middle part of the cell wall of interior tapered pocket slot
Equipped with sequentially connected middle part arc contact convex surface one and interior evacuation face one from outside to inside, at the cell wall both ends of interior tapered pocket slot point
She You along inner conical pocket groove groove wall width direction be arranged inner arc contact convex surface and one end not be connected with it is several circumferentially
It is uniformly distributed the outer ring of outside lintel, two adjacent outside lintels and outer ring form the male-tapered pocket slot being in U-shape, inside lintel
Quantity and outside lintel quantity is equal and outside lintel be fixed on one by one inside lintel outer surface and outside lintel it is remote
One end from outer ring extends to the outer wall of inner ring, and the large diameter outer end of inner conical pocket slot is towards the large diameter inner end of male-tapered pocket slot
And the inner conical pocket slot and male-tapered pocket slot forms above-mentioned ball pocket hole, in the middle part of the cell wall of outer tapered pocket slot be equipped with from
The middle part arc contact convex surface two set gradually outside to inside and interior evacuation face two, are respectively equipped at the cell wall both ends of outer tapered pocket slot
Convex surface is contacted along the outer arcuate contact convex surface and the outer arcuate of male-tapered pocket groove groove wall width direction setting to be located at one by one
The outside on inner arc contact convex surface, ball contact convex surface, middle part arc with middle part arc contact convex surface one, inner arc respectively
Convex surface two and outer arcuate contact convex surface contact are contacted, extends the contour line radius of curvature that connection is formed with ball contact position and is greater than
The radius of curvature of ball extends the curvature half that the contour line radius of curvature that connection is formed is less than ball with ball non-contacting position
Diameter.
Inside lintel far from inner ring one end be more than keep frame body radially plane length be inside lintel axial direction
The 1/5-1/10 of length.
Outside lintel and inside lintel are connected as a single entity structure, and can be manufactured by using Shooting Technique.
In above-mentioned angular contact ball bearing cage, the inner arc contact convex side side and outer arcuate contact are convex
The inner side edge in face, which is connected and contacts in inner arc, forms avoiding space between convex surface and outer arcuate contact convex surface.
In above-mentioned angular contact ball bearing cage, the male-tapered pocket groove groove wall both ends be additionally provided with respectively with outer arc
Shape contact convex surface connection and the arc limitation convex surface being sequentially connected on the inside of outside tapered pocket slot on the outside of male-tapered pocket slot, arc limit
Concave surface and inclined surface processed.
In above-mentioned angular contact ball bearing cage, above-mentioned outer arcuate is respectively equipped on the two sides of lintel on the outside
Convex surface, arc limitation convex surface, arc limitation concave surface and inclined surface are contacted, the outer arcuate contact on lintel one side on the outside is set
Convex surface is symmetrical set with the outer arcuate contact convex surface being arranged on other side face, and the arc on lintel one side on the outside is arranged
Shape limits convex surface and is symmetrical set with the arc limitation convex surface being arranged on other side face, and setting is on the outside on lintel one side
Arc limitation concave surface be symmetrical set with the arc limitation concave surface being arranged on other side face, lintel side on the outside is set
Inclined surface on face is symmetrical set with the inclined surface being arranged on other side face and two inclined surface are distributed in splayed.
In above-mentioned angular contact ball bearing cage, the interior evacuation face one and interior evacuation face two are that arc is recessed
Face.
In above-mentioned angular contact ball bearing cage, the outside lintel inner surface is that arc matches concave surface, inside
The outer surface of lintel is that arc matches convex surface, and the outer wall of arc matching convex surface and inner ring flushes, and the arc matches concave surface
With the outer wall matching of arc matching convex surface matching and arc matching concave surface and inner ring.
In above-mentioned angular contact ball bearing cage, it is distributed in the end two sides of every inside lintel above-mentioned
Inner arc contacts convex surface, and the inner arc contact convex surface on the one side of inside lintel end and setting is arranged in inside lintel end
Inner arc contact convex surface on another side is symmetrical set.
In above-mentioned angular contact ball bearing cage, the middle part arc contact convex surface one is arranged in interior tapered pocket slot
Cell wall middle position.
In above-mentioned angular contact ball bearing cage, the middle part arc contact convex surface two is arranged in outer tapered pocket slot
Cell wall middle position.
In above-mentioned angular contact ball bearing cage, in inside, lintel is equipped with diagonally downward inwardly far from one end of inner ring
The introversion inclined-plane of setting；Lintel is equipped with and the consistent flare inclined-plane of introversion inclined-plane inclined direction far from one end of outer ring on the outside.
Compared with prior art, it is the advantages of this angular contact ball bearing cage:
1, the application makes oil-air lubrication and grease lubrication angular contact ball bearing share same design retainer, reduces retainer kind
Class (design and manufacture cost advantage)；
2 and this design can reduce because oil gas impact retainer lintel, cause retainer vibration bring noise it is (right
The improvement of oil-air lubrication)；
3, it can reduce resistance when oil gas enters bearing channel, so that the energy consumption for reducing oil-air lubricating device is (right
The improvement of oil-air lubrication)；
4, Bearing inner void volume can be made to increase, that improves bearing fills out rouge amount, thus when extending the military service of bearing
Between (improvement to grease lubrication)；
5, identical to can reduce bearing grease stirring resistance when filling out rouge amount, to reduce grease stirring heat, reduce bearing temperature
It rises (improvement to grease lubrication)；
6, special pocket hole interior design, it is possible to reduce the loss of lubricating grease (moistens rouge to extend bearing active time
Sliding improvement)；
7, it can reduce contact frictional heat of the rolling element with retainer, reduce bearing temperature rise and (two kinds of lubricating systems are changed
It is kind)；
8, scuffing of the retainer pocket bore edges to rolling element can be reduced, reliability is improved and (two kinds of lubricating systems is changed
It is kind).
9, rolling element and retainer position of collision determine, improve retainer run stability and (change to two kinds of lubricating systems
It is kind).
Detailed description of the invention
Fig. 1 is schematic perspective view provided by the invention.
Fig. 2 is structural schematic diagram provided by the invention.
Fig. 3 is schematic cross-sectional view along A-A in Fig. 2.
Fig. 4 is schematic cross-sectional view along B-B in Fig. 2.
Fig. 5 is retainer partial structurtes enlarged diagram provided by the invention.
Fig. 6 is section enlarged structure schematic diagram at 1a in Fig. 5.
Fig. 7 is section enlarged structure schematic diagram at 1b in Fig. 5.
Fig. 8 is section enlarged structure schematic diagram at 1c in Fig. 5.
Fig. 9 is lintel transversal cross-section structural schematic diagram in outside provided by the invention.
Figure 10 is ball and retainer contact condition partial enlargement diagram provided by the invention.
Figure 11 is angular contact ball bearing structural schematic diagram provided by the invention.
In figure, frame body a, ball b, ball pocket hole a1, inner ring 1, inside lintel 11, inner conical pocket slot 12, middle part arc are kept
Shape contacts convex surface 1, interior evacuation face 1, inner arc contact convex surface 15, avoiding space 16, introversion inclined-plane 17, outer ring 2, outside
Lintel 21, male-tapered pocket slot 22, middle part arc contact convex surface 2 23, interior evacuation face 2 24, outer arcuate contact convex surface 25, arc limit
Convex surface 26 processed, arc limit concave surface 27, inclined surface 28, flare inclined-plane 29, inner split ring 4, outer spacer ring 5, oil gas access aperture 51, oil gas
Discharge orifice 52, bearing inner race 6, bearing outer ring 7.
Specific embodiment
Below be invention specific embodiment and in conjunction with attached drawing, technical scheme of the present invention will be further described, but
Invention is not limited to these embodiments.
As shown in Figure 1, this angular contact ball bearing cage includes keeping frame body a, keeping being circumferentially with for frame body a several
The ball pocket hole a1 being circularly and evenly distributed, ball are placed in ball pocket hole a1.
As shown in Fig. 2,
Keeping frame body a includes the inner ring 1 that one end is connected with several inside lintels 11 that are circularly and evenly distributed, inside lintel 11
Be connected as a single entity structure with inner ring 1, that is, by be integrally formed, this mode its structural strength can be improved.
Even circumferential, which is distributed it, may insure the harmony of gravity, and can reduce manufacture difficulty of processing.
Secondly, the thickness of inside lintel 11 is equal to the wall thickness thickness of inner ring 1.
In addition, being equipped with the introversion inclined-plane 17 being arranged inwardly diagonally downward, inclination far from one end of inner ring in inside lintel 11
Face its can be assembled in order to subsequent interconnection.
As shown in Fig. 2,
Only slight beyond the radially plane for keeping frame body a, this design can be with for the one end of inside lintel 11 far from inner ring 1
Reduce because oil gas impacts retainer lintel, retainer is caused to vibrate bring noise；When can reduce oil gas and entering bearing channel
Resistance, to reduce the energy consumption of oil-air lubricating device；Bearing inner void volume can be made to increase, improve bearing
Rouge amount is filled out, to extend the active time of bearing；It is identical when filling out rouge amount, it can reduce bearing grease stirring resistance, to reduce
Grease stirring heat, reduces bearing temperature rise.
As shown in Fig. 2 and Fig. 5 and Fig. 8,
Two adjacent inside lintels 11 and inner ring 1 form the inner conical pocket slot 12 being in U-shape, in the slot of interior tapered pocket slot 12
Sequentially connected middle part arc contact convex surface 1 and interior evacuation face 1 from outside to inside, middle part arc contact are equipped in the middle part of wall
The cell wall middle position of interior tapered pocket slot 12, easy to process and manufacture, secondly, interior evacuation face 1 is is arranged in convex surface 1
Phenomena such as arc-shaped concave, it can expand avoiding space for the design, avoid ball scuffing etc..
The cell wall middle position of interior tapered pocket slot 12 is arranged in prioritization scheme, middle part arc contact convex surface 1.
As shown in Figure 3 and Figure 6,
It is respectively equipped at the cell wall both ends of interior tapered pocket slot 12 along in the setting of 12 cell wall width direction of inner conical pocket slot
Arc contacts convex surface 15, and the middle part arc contact formation of convex surface 1 on two inner arc contact convex surfaces 15 and middle part forms ball
Supported at three point, in order to improve stability of strutting system, meanwhile, above-mentioned design its can also reduce contact of the rolling element with retainer
Frictional heat reduces bearing temperature rise, extends bearing service life.
Further, above-mentioned inner arc is distributed in the end two sides of every inside lintel 11 contact convex surface 15,
Inner arc contact convex surface 15 on 11 end one side of inside lintel and setting are set in 11 end another side of inside lintel
On inner arc contact convex surface 15 be symmetrical set.
Processing and manufacturing efficiency can be improved in symmetric design, and reduces manufacture difficulty of processing, at the same time it can also ensure
The gravity balance of retainer.
As shown in Fig. 2,
And one end is connected with the outer ring 2 of several outside lintels 21 that are circularly and evenly distributed, even circumferential is distributed it can be with
Ensure the harmony of gravity, and manufacture difficulty of processing can be reduced.
Outside lintel 21 and outer ring 2 are connected as a single entity structure, that is, by integrated forging molding, this mode its can mention
High structural strength.
The thickness of outside lintel 21 is equal to the unilateral wall thickness thickness of outer ring 2.
Lintel 21 is equipped with and the consistent flare inclined-plane 29 of 17 inclined direction of introversion inclined-plane far from one end of outer ring on the outside.It is interior
Inclined surface 17 is consistent with 29 inclined direction of flare inclined-plane, and packaging efficiency between the two can be improved.
Secondly, outside lintel 21 and inside lintel 11 are linked together using welding.
Meanwhile the axial line of outer ring and the axial line of inner ring are overlapped, and the stability of ball operation and smooth can be improved
Property.
As shown in Figure 2 and Figure 5,
Two adjacent outside lintels 21 and outer ring 2 form the male-tapered pocket slot 22 being in U-shape, the notch of male-tapered pocket slot 22
It is oppositely arranged with the notch of inner conical pocket slot 12, the quantity of the inside lintel 11 and quantity of outside lintel 21 is equal and outside lintel
21 are fixed on the outer surface of inside lintel 11 and outside lintel 21 extends to the outer wall of inner ring 1 far from one end of outer ring 2 one by one,
That is, the axial length of inside lintel 11 is shorter than the axial length of outside lintel 21.
Secondly, lintel 21 inner surface in outside is that arc matches concave surface, the outer surface of inside lintel 11 is that arc matches convex surface,
And the outer wall of arc matching convex surface and inner ring 1 flushes, the arc matching concave surface and arc match convex surface matching and arc
Match the outer wall matching of concave surface and inner ring 1.
Its stability that structural strength and structure that the two is connected and fixed can be improved of this structure, avoids cracking and falls off
Phenomena such as equal.
Large diameter inner end and the inner conical pocket of the large diameter outer end of inner conical pocket slot 12 towards male-tapered pocket slot 22
Slot 12 and male-tapered pocket slot 22 form above-mentioned ball pocket hole a1, that is, the taper inclined direction of two pocket slots is on the contrary, such meaning
Figure is to limit ball, be detached from avoiding ball.
As shown in figs. 4 and 7,
Middle part arc contact 2 23 He of convex surface set gradually from outside to inside is equipped in the middle part of the cell wall of outer tapered pocket slot 22
The cell wall middle position of outer tapered pocket slot 22 and interior evacuation face two is arranged in interior evacuation face 2 24, middle part arc contact convex surface 2 23
24 be arc-shaped concave.
Middle part arc contacts convex surface 2 23 and middle part arc contacts convex surface 1, is outer evagination with ball contact zone outline
Line reduces contact area, which brings above-mentioned advantage 7.With ball non-contact area close to centre of sphere side be inner concave curve, increase
For pocket bore edges at a distance from ball, which brings above-mentioned advantage 8.
As shown in fig. 6,
It is respectively equipped at the cell wall both ends of outer tapered pocket slot 22 along the outer of 22 cell wall width direction of male-tapered pocket slot setting
Arc contacts convex surface 25 and the outer arcuate contact convex surface 25 is located at the outside that the inner arc contacts convex surface 15, inner arc one by one
Shape contacts 15 outer side edges of convex surface and the inner side edge on outer arcuate contact convex surface 25 is connected and contacts convex surface 15 and outer arcuate in inner arc
It contacts and forms avoiding space 16 between convex surface 25.With rolling element contact area, outer arcuate contacts convex surface 25 and inner arc contact is convex
Face 15 is convex outer curve, reduces contact area, which brings above-mentioned advantage 7.
Meanwhile the supported at three point formed using outer arcuate contact convex surface 25 at two and middle part arc contact convex surface 2 23,
Stability of strutting system can be greatly improved, meanwhile, it can also reduce contact frictional heat of the rolling element with retainer for above-mentioned design,
Bearing temperature rise is reduced, bearing service life is extended.
Secondly, outer arcuate contacts the structure that convex surface 25 is connected with inner arc contact convex surface 15, inside and outside limit can be formed
System, can be further improved the stability of ball.And avoiding space 16 be v-shaped structure, can be used for storing lubricating grease, with into
One step improves the stability of the quasi- operation of rolling.
As shown in figure 9,
It is connect and with outer arcuate contact convex surface 25 from male-tapered respectively in addition, being additionally provided at outer 22 cell wall both ends of tapered pocket slot
Arc limitation convex surface 26, arc limitation concave surface 27 and the inclined surface being sequentially connected on the inside of the outside tapered pocket slot 22 in 22 outside of pocket slot
28.Arc limits convex surface 26 and arc limits 27 curl direction of concave surface towards retainer axis, which limits convex surface 26, arc
Along retainer axis to retainer, radially plane gradually tends to be flat to the profile that limitation concave surface 27 and the connection of inclined surface 28 are formed
Slow, which brings above-mentioned advantage 6.
Further, above-mentioned outer arcuate contact convex surface 25, arc limit are respectively equipped on the two sides of lintel 21 on the outside
Convex surface 26, arc limitation concave surface 27 and inclined surface 28 processed, the outer arcuate being arranged on 21 one side of lintel on the outside contact convex surface 25
It is symmetrical set with the outer arcuate contact convex surface 25 being arranged on other side face, the arc on 21 one side of lintel on the outside is set
Shape limits convex surface 26 and is symmetrical set with the arc limitation convex surface 26 being arranged on other side face, and lintel 21 1 on the outside are arranged
Arc limitation concave surface 27 on side is symmetrical set with the arc limitation concave surface 27 being arranged on other side face, and setting is outside
Inclined surface 28 on 21 one side of side lintel is symmetrical set with the inclined surface 28 being arranged on other side face and two inclinations
Face 28 is distributed in splayed.
Structure on two sides is symmetrical set, and easy to process can be manufactured, and the stabilization of ball operation can be improved
The structure gravity balance of property and retainer.
As shown in Figure 10,
Ball contacts convex surface 2 23 with middle part arc contact convex surface 1, inner arc contact convex surface 15, middle part arc respectively
It is contacted with outer arcuate contact convex surface 25, extends the song that the contour line radius of curvature that connection is formed is greater than ball with ball contact position
Rate radius extends the radius of curvature that the contour line radius of curvature that connection is formed is less than ball with ball non-contacting position.The design
Bring above-mentioned advantage 9.
As shown in figure 11,
Manufactured angular contact ball bearing through this embodiment.Angular contact ball bearing includes inner split ring 4, is set in inner split ring 4
The outer spacer ring 5 in outside, and be connected to the bearing inner race 6 of 4 one end of inner split ring, be connected to outer 5 one end of spacer ring and cover in bearing
The bearing outer ring 7 in 6 outside of circle, is radially provided with oil gas access aperture 51 in outer spacer ring 5, and the exhaust of oil hole being obliquely installed
52, the one end in exhaust of oil hole 52 is connected to oil gas access aperture 51, and the other end in exhaust of oil hole 52 is towards bearing inner race 6 and axis
The annular space that bearing outer-ring 7 is formed is equipped in annular space and keeps frame body a, and is installed on the ball pocket hole for keeping frame body a
Ball b in a1.
Oil gas access aperture 51 and exhaust of oil hole 52 form the angle greater than 90 °.
Meanwhile the internal diameter of oil gas access aperture 51 is twice or more of 52 internal diameter of exhaust of oil hole.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. angular contact ball bearing cage, including frame body (a) is kept, keeping being circumferentially with for frame body (a) several circumferentially equal
The ball pocket hole (a1) of even distribution, which is characterized in that keeping frame body (a) includes that one end is connected in several be circularly and evenly distributed
The inner ring (1) of side lintel (11), the one end of inside lintel (11) far from inner ring (1) is only slight beyond the center-diameter for keeping frame body (a)
To plane, two adjacent inside lintels (11) and inner ring (1) form the inner conical pocket slot (12) being in U-shape, in interior tapered pocket slot
(12) sequentially connected middle part arc contact convex surface one (13) and interior evacuation face one (14) from outside to inside are equipped in the middle part of cell wall,
The cell wall both ends of inner conical pocket slot (12) are respectively equipped with to be connect along the inner arc of inner conical pocket slot (12) cell wall width direction setting
Touching convex surface (15) and one end are connected with the outer ring (2) of several outside lintels (21) that are circularly and evenly distributed, and adjacent two outer
Side lintel (21) and outer ring (2) form the male-tapered pocket slot (22) being in U-shape, the quantity and outside lintel (21) of inside lintel (11)
The outer surface that quantity is equal and outside lintel (21) is fixed on inside lintel (11) one by one and outside lintel (21) far from outer
One end of circle (2) extends to the outer wall of inner ring (1), and the large diameter outer end of inner conical pocket slot (12) is towards male-tapered pocket slot (22)
Large diameter inner end and the inner conical pocket slot (12) and male-tapered pocket slot (22) form above-mentioned ball pocket hole (a1), in outer cone
Middle part arc contact convex surface two (23) set gradually from outside to inside and interior evacuation face two are equipped in the middle part of the cell wall of shape pocket slot (22)
(24), it is respectively equipped at the cell wall both ends of outer tapered pocket slot (22) along the outer of male-tapered pocket slot (22) cell wall width direction setting
Arc contacts convex surface (25) and outer arcuate contact convex surface (25) is located at the outer of inner arc contact convex surface (15) one by one
Side, ball contact convex surface two (23) with middle part arc contact convex surface one (13), inner arc contact convex surface (15), middle part arc respectively
With outer arcuate contact convex surface (25) contact, extends the contour line radius of curvature that connection is formed with ball contact position and be greater than ball
Radius of curvature extends the radius of curvature that the contour line radius of curvature that connection is formed is less than ball with ball non-contacting position.
2. angular contact ball bearing cage according to claim 1, which is characterized in that the inner arc contacts convex surface
(15) outer side edges and the inner side edge of outer arcuate contact convex surface (25) are connected and contact in inner arc contact convex surface (15) with outer arcuate
Avoiding space (16) are formed between convex surface (25).
3. angular contact ball bearing cage according to claim 1, which is characterized in that described male-tapered pocket slot (22) slot
Wall both ends are additionally provided with connect with outer arcuate contact convex surface (25) and the outside tapered pocket slot on the outside of the male-tapered pocket slot (22) respectively
(22) arc that inside is sequentially connected limits convex surface (26), arc limitation concave surface (27) and inclined surface (28).
4. angular contact ball bearing cage according to claim 3, which is characterized in that the two sides of lintel (21) on the outside
On be respectively equipped with above-mentioned outer arcuate contact convex surface (25), arc limitation convex surface (26), arc limitation concave surface (27) and inclined surface
(28), outer arcuate contact of the setting on the outside on lintel (21) one side convex surface (25) and the outer arc that is arranged on other side face
Shape contact convex surface (25) is symmetrical set, and arc limitation convex surface (26) and setting being arranged on lintel (21) one side on the outside exist
Arc limitation convex surface (26) on other side face is symmetrical set, and the arc limitation on lintel (21) one side on the outside is arranged
Concave surface (27) is symmetrical set with arc limitation concave surface (27) being arranged on other side face, and lintel (21) one on the outside are arranged
Inclined surface (28) on side is symmetrical set with the inclined surface (28) being arranged on other side face and two inclined surface (28)
It is distributed in splayed.
5. angular contact ball bearing cage according to claim 1, which is characterized in that the interior evacuation face one (14) and
Interior evacuation face two (24) is arc-shaped concave.
6. angular contact ball bearing cage according to claim 1, which is characterized in that described outside lintel (21) the interior table
Face is that arc matches concave surface, and the outer surface of inside lintel (11) is that arc matches convex surface, and arc matching convex surface and inner ring (1)
Outer wall flushes, and the arc matching concave surface and arc matching convex surface matching and arc match the outer wall of concave surface and inner ring (1)
Matching.
7. angular contact ball bearing cage according to claim 1, which is characterized in that at the end of every inside lintel (11)
Portion two sides are distributed with above-mentioned inner arc contact convex surface (15), the inner arc being arranged on the one side of inside lintel (11) end
Shape contact convex surface (15) and the inner arc being arranged on inside lintel (11) end another side contact convex surface (15) are in symmetrically to set
It sets.
8. angular contact ball bearing cage according to claim 1, which is characterized in that the middle part arc contacts convex surface
One (13) are arranged in the cell wall middle position of interior tapered pocket slot (12).
9. angular contact ball bearing cage according to claim 1, which is characterized in that the middle part arc contacts convex surface
Two (23) are arranged in the cell wall middle position of outer tapered pocket slot (22).
10. angular contact ball bearing cage according to claim 1, which is characterized in that in inside, lintel (11) is far from interior
One end of circle is equipped with the introversion inclined-plane (17) being arranged inwardly diagonally downward；On the outside lintel (21) far from outer ring one end be equipped with
The consistent flare inclined-plane (29) of introversion inclined-plane (17) inclined direction.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714362.XA CN110307254B (en) | 2019-08-03 | 2019-08-03 | Angular contact ball bearing retainer |
| DE102020114466.0A DE102020114466B4 (en) | 2019-08-03 | 2020-05-29 | angular contact ball bearing cage |
| JP2020095130A JP2021025655A (en) | 2019-08-03 | 2020-05-29 | Support frame of angular contact ball bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910714362.XA CN110307254B (en) | 2019-08-03 | 2019-08-03 | Angular contact ball bearing retainer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110307254A true CN110307254A (en) | 2019-10-08 |
| CN110307254B CN110307254B (en) | 2024-02-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910714362.XA Active CN110307254B (en) | 2019-08-03 | 2019-08-03 | Angular contact ball bearing retainer |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JP2021025655A (en) |
| CN (1) | CN110307254B (en) |
| DE (1) | DE102020114466B4 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649069A (en) * | 2020-06-03 | 2020-09-11 | 浙江五洲新春集团股份有限公司 | A new type of bearing cage |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114791016B (en) * | 2022-03-02 | 2024-03-19 | 湖南华园莱客科技有限公司 | Air bearing that polycyclic cup jointed |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140870A (en) * | 1999-11-19 | 2001-05-22 | Nsk Ltd | Angular contact ball bearings |
| JP2008215610A (en) * | 2007-02-07 | 2008-09-18 | Nsk Ltd | Radial ball bearing cage and radial ball bearing |
| CN102242764A (en) * | 2011-07-15 | 2011-11-16 | 常州光洋轴承股份有限公司 | Four-point contact ball bearing |
| CN203202013U (en) * | 2012-12-27 | 2013-09-18 | 日本精工株式会社 | Angular-contact ball bearing |
| CN204140654U (en) * | 2014-09-17 | 2015-02-04 | 浙江克外希精工机械有限公司 | A kind of angular contact thrust ball bearing retainer |
| CN105782246A (en) * | 2014-12-26 | 2016-07-20 | 日本精工株式会社 | Angular contact ball bearing |
| CN106104027A (en) * | 2014-03-19 | 2016-11-09 | 日本精工株式会社 | Angular contact ball bearing |
| CN207195444U (en) * | 2017-08-14 | 2018-04-06 | 中机洛阳精密装备科技股份有限公司 | A kind of special thin-walled angular contact ball bearing of high accuracy |
| CN107939838A (en) * | 2017-12-26 | 2018-04-20 | 瓦房店轴承集团有限责任公司 | Half retainer of angular contact ball bearing radial bore circular arc pocket hole |
| WO2018074199A1 (en) * | 2016-10-17 | 2018-04-26 | 日本精工株式会社 | Retainer for angular ball bearings |
| CN210240319U (en) * | 2019-08-03 | 2020-04-03 | 添佶轴承科技（浙江）有限公司 | Angular contact ball bearing retainer |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1186856A (en) | 1966-06-24 | 1970-04-08 | Pollard Bearings Ltd | Ball Bearing Cage |
| JPH10169658A (en) | 1996-12-05 | 1998-06-23 | Nippon Seiko Kk | Ball bearing cage and ball bearing using the same |
| DE10136955B4 (en) | 2001-07-28 | 2010-11-04 | Schaeffler Technologies Gmbh & Co. Kg | Angular contact ball cage with lubricant pockets |
| ITTO20111235A1 (en) | 2011-12-29 | 2013-06-30 | Skf Ab | VARIABLE GUIDE CAGE FOR ROLLING BEARINGS AND HIGH SPEED BEARING EQUIPPED WITH SUCH A CAGE |
| FR2993617B1 (en) | 2012-07-23 | 2014-08-01 | Ntn Snr Roulements | BEARING CAGE WITH OBLONGABLE ALVEOLS AND BALL BEARING COMPRISING SUCH A CAGE |
| TWI550200B (en) | 2014-12-18 | 2016-09-21 | Nsk Ltd | Bevel ball bearing |
-
2019
- 2019-08-03 CN CN201910714362.XA patent/CN110307254B/en active Active
-
2020
- 2020-05-29 DE DE102020114466.0A patent/DE102020114466B4/en active Active
- 2020-05-29 JP JP2020095130A patent/JP2021025655A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001140870A (en) * | 1999-11-19 | 2001-05-22 | Nsk Ltd | Angular contact ball bearings |
| JP2008215610A (en) * | 2007-02-07 | 2008-09-18 | Nsk Ltd | Radial ball bearing cage and radial ball bearing |
| CN102242764A (en) * | 2011-07-15 | 2011-11-16 | 常州光洋轴承股份有限公司 | Four-point contact ball bearing |
| CN203202013U (en) * | 2012-12-27 | 2013-09-18 | 日本精工株式会社 | Angular-contact ball bearing |
| CN106104027A (en) * | 2014-03-19 | 2016-11-09 | 日本精工株式会社 | Angular contact ball bearing |
| CN204140654U (en) * | 2014-09-17 | 2015-02-04 | 浙江克外希精工机械有限公司 | A kind of angular contact thrust ball bearing retainer |
| CN105782246A (en) * | 2014-12-26 | 2016-07-20 | 日本精工株式会社 | Angular contact ball bearing |
| WO2018074199A1 (en) * | 2016-10-17 | 2018-04-26 | 日本精工株式会社 | Retainer for angular ball bearings |
| CN109844336A (en) * | 2016-10-17 | 2019-06-04 | 日本精工株式会社 | Angular contact ball bearing retainer, angular contact ball bearing and bearing arrangement |
| CN207195444U (en) * | 2017-08-14 | 2018-04-06 | 中机洛阳精密装备科技股份有限公司 | A kind of special thin-walled angular contact ball bearing of high accuracy |
| CN107939838A (en) * | 2017-12-26 | 2018-04-20 | 瓦房店轴承集团有限责任公司 | Half retainer of angular contact ball bearing radial bore circular arc pocket hole |
| CN210240319U (en) * | 2019-08-03 | 2020-04-03 | 添佶轴承科技（浙江）有限公司 | Angular contact ball bearing retainer |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111649069A (en) * | 2020-06-03 | 2020-09-11 | 浙江五洲新春集团股份有限公司 | A new type of bearing cage |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102020114466A1 (en) | 2021-02-04 |
| JP2021025655A (en) | 2021-02-22 |
| CN110307254B (en) | 2024-02-13 |
| DE102020114466B4 (en) | 2024-10-10 |
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