CN108775341A - A kind of bearing retainer and the bearing using the bearing retainer - Google Patents
A kind of bearing retainer and the bearing using the bearing retainer Download PDFInfo
- Publication number
- CN108775341A CN108775341A CN201810394518.6A CN201810394518A CN108775341A CN 108775341 A CN108775341 A CN 108775341A CN 201810394518 A CN201810394518 A CN 201810394518A CN 108775341 A CN108775341 A CN 108775341A
- Authority
- CN
- China
- Prior art keywords
- bearing
- retainer
- pocket hole
- ball
- bearing retainer
- 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.)
- Granted
Links
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
- F16C33/41—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
-
- 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
- F16C33/3843—Massive or moulded cages having cage pockets surrounding the balls, e.g. machined window cages formed as one-piece cages, i.e. monoblock 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
- F16C33/66—Special parts or details in view of lubrication
- F16C33/6603—Special parts or details in view of lubrication with grease as lubricant
Abstract
The present invention relates to the bearings of a kind of bearing retainer and the use bearing retainer.Bearing retainer includes retainer ontology, multiple pocket holes are provided on the retainer ontology, the inner wall in pocket hole is the cylindrical surface radially extended along retainer ontology, and the guiding slideway for guiding ball to roll extended along cylindrical surface peripheral is provided on the inner wall in the pocket hole.Guiding slideway is arranged such that the ball in pocket hole can only take place along the rolling of bearing retainer circumferential direction, limit the shifting amount of ball within the bearing, so that the motion range of ball is controlled, it avoids ball and easy tos produce moving along bearing retainer radial direction, the running accuracy of bearing is improved, and then has achieved the effect that reduce the noise generated by the collision between ball and inner ring, ball and outer ring.In addition grease can also be added by guiding in slideway, reduce frictional force when ball rolls.
Description
Technical field
The present invention relates to the bearings of a kind of bearing retainer and the use bearing retainer.
Background technology
High-speed silent deep groove ball bearing is widely used in the every field such as machinery, instrument and meter, household electrical appliances, it is widely used and
Dosage is huge, and retainer is the key that ensure the mute rotation of bearing as one of four big part of bearing.In order to make the pocket on retainer
Hole can store more greases, the steel ball being mounted in pocket hole and pocket hole cambered surface is avoided to generate fretting wear, the sky in pocket hole
Between be not easy too small, but space in pocket hole is excessive and be easy to cause that play of the steel ball in pocket hole is big, and steel ball cannot be controlled effectively
System, and then bearing is caused to there is a problem of that noise is big in rotation process.Currently, the quality of mute bearing developed country is obviously excellent
In the country, high-speed silent bearing depends on import, therefore comes the problem of mute bearing noise in the urgent need to address and precision
Meet domestic demand.
Authorization Notice No. is that the Chinese utility model patent of CN201436416U discloses a kind of ball bearing with reinforcing rib
Nylon holding frame structure, the retainer structure are coronal retainer.The retainer structure is equipped with ball pocket, the ball pocket for placing steel ball
Fore shaft and the holding claw for being arranged in ball pocket opening, ball pocket fore shaft are cylindrical surface.In addition, the ball portion of revealing all the details of the retainer structure opens
If there are one oil grooves, in the case where not changing pocket hole space, the requirement for increasing grease storage is met, avoids in bearing and protects
Hold rub between frame and steel ball it is excessive caused by rotate unsmooth situation.
But the steel ball in above patent document pocket hole can only be made when in use by the clamping of the inner ring and outer ring of bearing
With being fixed, when that cannot reach preferably cooperation precision between the inner ring of bearing, outer ring and steel ball, steel ball easy tos produce edge
When the play up and down, especially bearing high speed rotation of bearing radial direction, due to touching between steel ball and inner ring, steel ball and outer ring
It hits, bearing will produce prodigious vibrating noise and collision noise, and in addition in oil groove under the action of grease, steel ball is in retainer
Frictional force can further decrease, steel ball easy tos produce the offset along bearing radial direction, is unfavorable for the running accuracy of bearing.
Invention content
The purpose of the present invention is to provide a kind of bearing retainer, for solve steel ball in the prior art easy to produce along
The offset of retainer radial direction so that the technical problem that bearing noise is big and running accuracy is low.The present invention also aims to provide
A kind of bearing using above-mentioned bearing retainer.
To achieve the above object, bearing retainer of the invention adopts the following technical scheme that：
Bearing retainer includes retainer ontology, is provided with multiple pocket holes on the retainer ontology, the inner wall in pocket hole be along
The cylindrical surface that retainer ontology radially extends, be provided on the inner wall in the pocket hole along cylindrical surface peripheral extend for guiding rolling
The guiding slideway that pearl rolls.
Advantageous effect：Guiding slideway is arranged such that the ball in pocket hole can only take place along bearing retainer
Circumferential rolling, limits the shifting amount of ball within the bearing so that the motion range of ball is controlled, and ball appearance is avoided
Be also easy to produce and being moved along bearing retainer is radial, improve the running accuracy of bearing, so reached reduction by ball with it is interior
The effect for the noise that collision between circle, ball and outer ring generates.In addition grease can also be added by guiding in slideway, reduce ball
Frictional force when rolling.
Above-mentioned bearing retainer is further improved, be disposed with two on the inner wall in the pocket hole prolongs along cylindrical surface peripheral
The protruding rail stretched, spaced apart two protruding rail form the guiding slideway in pocket hole.Protruding rail be easy to arrangement and it is simple in structure, two
The guiding slideway that ball can be guided to roll is automatically formed between protruding rail.
Above-mentioned bearing retainer is further improved, the bearing retainer is coronal retainer, and pocket hole is with bullet
Property fore shaft open architecture, the both ends of the guiding slideway extend respectively at corresponding elastic fore shaft.Extend guiding chute
Length of lead, avoid length of lead shorter the case where making the stability rolled to ball impact.
Above-mentioned bearing retainer is further improved, two protruding rail is arranged in the both ends on cylindrical surface.
Above-mentioned bearing retainer is further improved, further includes the holding claw being fixed on ball in pocket hole, each pocket hole point
Not Dui Ying two holding claws, the pawl points of two holding claws forms the elastic fore shaft.The setting of holding claw makes in retainer injection molding
The disengaging of retainer and mold is facilitated afterwards.
Above-mentioned bearing retainer is further improved, the holding claw is equipped with the reinforcing rib on protrusion holding claw surface.Reinforce
The arrangement of muscle improves the intensity of holding claw so that holding claw is unlikely to deform.
The bearing of the present invention adopts the following technical scheme that：
Bearing includes bearing inner race, bearing outer ring and bearing retainer, and the bearing retainer includes retainer ontology, described
Multiple pocket holes are provided on retainer ontology, the inner wall in pocket hole is the cylindrical surface radially extended along retainer ontology, the pocket
The guiding slideway for guiding ball to roll extended along cylindrical surface peripheral is provided on the inner wall in hole.
Above-mentioned bearing is further improved, be disposed on the inner wall in the pocket hole two extend along cylindrical surface peripheral it is convex
Rail, spaced apart two protruding rail form the guiding slideway in pocket hole.
Above-mentioned bearing is further improved, the bearing retainer is coronal retainer, and pocket hole is with elastic fore shaft
Open architecture, the both ends of the guiding slideway extend respectively at corresponding elastic fore shaft.
Above-mentioned bearing is further improved, two protruding rail is arranged in the both ends on cylindrical surface.
Above-mentioned bearing is further improved, further includes the holding claw being fixed on ball in pocket hole, each pocket hole corresponds to respectively
The pawl point of two holding claws, two holding claws forms the elastic fore shaft.
Above-mentioned bearing is further improved, the holding claw is equipped with the reinforcing rib on protrusion holding claw surface.
Description of the drawings
Fig. 1 is the overall structure diagram of the embodiment 1 of the bearing retainer of the present invention；
Fig. 2 is the protruding rail schematic cross-section of the embodiment 2 of the bearing retainer of the present invention；
Fig. 3 is the protruding rail schematic cross-section of the embodiment 3 of the bearing retainer of the present invention；
In figure：1- pockets hole, 2- holding claws, 3- protruding rails, 4- elasticity fore shafts, 5- cross girder construction, 6- concave stations, 7- reinforcing ribs.
Specific implementation mode
Embodiments of the present invention are described further below in conjunction with the accompanying drawings.
The specific embodiment 1 of the bearing retainer of the present invention：
As shown in Figure 1, bearing retainer is coronal retainer, material is plastics, the global shape of bearing retainer be it is cyclic annular simultaneously
With inner peripheral surface and peripheral surface.Bearing retainer includes the multiple pocket holes 1 being disposed thereon, and pocket hole 1 is opening pocket hole, each pocket
Hole 1 is equidistantly spaced from along the circumferential direction of bearing retainer, and the inner wall for forming pocket hole 1 is cylindrical surface, and cylindrical surface is kept along bearing
The radial direction of frame is extended.The opening of pocket hole 1 towards bearing retainer axial direction there also is provided holding claw 2, and each pocket hole 1 is right
Answer two holding claws 2, the pawl point of corresponding two holding claws 2 constitutes the elastic fore shaft 4 in pocket hole on each pocket hole 1 in the present embodiment.Holding claw 2
A side and pocket hole hole wall co-planar arrangement.Holding claw 2 and pocket hole inner wall it is coplanar on be disposed with guiding slideway, guiding slideway by
Two are circumferentially arranged the composition of protruding rail 3 along bearing retainer, and two protruding rails 3 are arranged in the both ends on cylindrical surface, wherein
One is disposed to extend along the inner peripheral surface of bearing retainer, and another is disposed to extend along the peripheral surface of bearing retainer.Protruding rail 3
Both ends extend respectively at the elastic fore shaft 4 in corresponding pocket hole 1, the both ends of protruding rail 3 extend respectively to corresponding embrace in the present embodiment
At the pawl point of pawl 2.A reserve is formed between two protruding rails 3, reserve provides Injection Space for the injection of lubricant grease
And the case where avoiding lubricant grease from easily flowing out retainer, the lubrication time of lubricant grease is extended to a certain extent.Slideway
Girder construction 5 was formed between two neighboring pocket hole 1, it is the boss between two neighboring pocket hole 1 to cross girder construction 5.Holding claw 2
It was arranged in girder construction 5, each cross in girder construction 5 arranges that there are two holding claws 2, each to cross between two holding claws 2 in girder construction 5
It is disposed with concave station 6, the shape of concave station 6 is isosceles trapezoid, the upper bottom of isosceles trapezoid in the present embodiment（That is the shorter bottom edge of length）
Positioned at the inner peripheral surface of bearing retainer.In order to enhance the intensity of holding claw 2, the centre position of each holding claw 2 is arranged with reinforcing rib
7, reinforcing rib 7 protrudes the surface of holding claw 2, and reinforcing rib 7 rebounds to home position when holding claw 2 can be made to deform, can also reinforce
To the fixed function of steel ball so that steel ball will not easily be detached from pocket hole 1.
Bearing retainer in the present embodiment guides ball along bearing retainer week when in use, since slideway had both had
To the effect of rotation, and have the function of storing grease so that the ball being fixed in bearing retainer can realize orientation
It rolls, and the friction between 1 face of pocket hole can be reduced.Reach the technique effect small, that fretting wear is small that generates heat in bearing operation,
And the bearing retainer in the present embodiment still can accurately guide the rolling of ball in bearing high speed rotation, improve axis
Running accuracy is held, the vibration and noise of bearing is reduced, extends the service life of bearing.
The embodiment 2 in bearing retainer of the present invention：As shown in Fig. 2, the side being connect with pocket hole hole wall on protruding rail 3 with
Being smoothly connected with certain curvature may be used in connection between the hole wall of pocket hole.
The embodiment 3 in bearing retainer of the present invention：As shown in figure 3, the side being connect with pocket hole hole wall on protruding rail 3 with
Connection between the hole wall of pocket hole can also use the connection relation shaped like the intersection of two planes with certain angle.
In the other embodiment of bearing retainer：The number of reinforcing rib can be carried out according to actual conditions in each holding claw
Adjustment, the fixed position of reinforcing rib can be arranged in the edge of holding claw；The shape of concave station can be rectangle or two waist tools
There is the isosceles trapezoid of certain radian.
In the other embodiment of bearing retainer：The side in pocket hole is not provided with being open, and pocket hole is enclosed type pocket hole, closing
A ring slot is provided on the hole wall in type pocket hole, annular groove is used to form the guiding slideway of guiding ball rotation.
The embodiment of the bearing of the present invention：Bearing include bearing inner race, bearing outer ring and be mounted on bearing inner race and axis
Bearing retainer between bearing outer-ring, the concrete structure of bearing retainer is identical as the structure of above-mentioned bearing retainer, herein
It repeats no more.
Claims (10)
1. bearing retainer, including retainer ontology, multiple pocket holes are provided on the retainer ontology, the inner wall in pocket hole is edge
The cylindrical surface that retainer ontology radially extends, it is characterised in that：It is provided on the inner wall in the pocket hole and prolongs along cylindrical surface peripheral
The guiding slideway for guiding ball to roll stretched.
2. bearing retainer according to claim 1, it is characterised in that：Two are disposed on the inner wall in the pocket hole along circle
The protruding rail of cylinder circumferentially extending, spaced apart two protruding rail form the guiding slideway in pocket hole.
3. bearing retainer according to claim 2, it is characterised in that：The bearing retainer is coronal retainer, pocket
Hole is the open architecture with elastic fore shaft, and the both ends of the guiding slideway extend respectively at corresponding elastic fore shaft.
4. bearing retainer according to claim 2 or 3, it is characterised in that：Two protruding rail is arranged in cylindrical surface
Both ends.
5. bearing retainer according to claim 4, it is characterised in that：Coronal retainer further includes that ball is fixed on pocket
Holding claw in hole, each pocket hole correspond to two holding claws respectively, and the pawl point of two holding claws forms the elastic fore shaft.
6. bearing retainer according to claim 5, it is characterised in that：The holding claw is equipped with adding for protrusion holding claw surface
Strengthening tendons.
7. bearing, including bearing inner race, bearing outer ring and bearing retainer, the bearing retainer includes retainer ontology,
Multiple pocket holes are provided on the retainer ontology, the inner wall in pocket hole is the cylindrical surface radially extended along retainer ontology,
It is characterized in that：The guiding slideway for guiding ball to roll extended along cylindrical surface peripheral is provided on the inner wall in the pocket hole.
8. bearing according to claim 7, it is characterised in that：Two are disposed on the inner wall in the pocket hole along cylindrical surface week
To the protruding rail of extension, spaced apart two protruding rail forms the guiding slideway in pocket hole.
9. bearing according to claim 8, it is characterised in that：The bearing retainer is coronal retainer, and pocket hole is tool
The both ends of the open architecture of flexible fore shaft, the guiding slideway extend respectively at corresponding elastic fore shaft.
10. bearing according to claim 8 or claim 9, it is characterised in that：Two protruding rail is arranged in the two of cylindrical surface
End.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394518.6A CN108775341B (en) | 2018-04-27 | 2018-04-27 | Bearing retainer and bearing using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394518.6A CN108775341B (en) | 2018-04-27 | 2018-04-27 | Bearing retainer and bearing using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108775341A true CN108775341A (en) | 2018-11-09 |
| CN108775341B CN108775341B (en) | 2020-07-24 |
Family
ID=64026691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810394518.6A Active CN108775341B (en) | 2018-04-27 | 2018-04-27 | Bearing retainer and bearing using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108775341B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503136A (en) * | 2020-04-08 | 2020-08-07 | 洛阳轴承研究所有限公司 | Rolling bearing and retainer thereof |
| CN114645903A (en) * | 2022-02-07 | 2022-06-21 | 山东金帝精密机械科技股份有限公司 | High-rotating-speed high-strength injection molding retainer |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09303402A (en) * | 1996-05-20 | 1997-11-25 | Nippon Seiko Kk | Retainer for ball bearing |
| CN1501005A (en) * | 2002-11-15 | 2004-06-02 | Ntn��ʽ���� | Resin keeper for rolling bearing |
| JP2007285464A (en) * | 2006-04-19 | 2007-11-01 | Nsk Ltd | Retainer for ball bearing, ball bearing, and fixed magnetic disk device using the ball bearing |
| KR20110078425A (en) * | 2009-12-31 | 2011-07-07 | 셰플러코리아(유) | Retainer for ball bearing and manufacturing method of the same |
| CN102844579A (en) * | 2010-03-29 | 2012-12-26 | Ntn株式会社 | Rolling bearing and crown-shaped retainer |
| DE102014201442A1 (en) * | 2014-01-28 | 2015-07-30 | Schaeffler Technologies AG & Co. KG | Ball snap cage |
| CN205423552U (en) * | 2016-03-22 | 2016-08-03 | 浙江克外希精工机械有限公司 | Hat shape nylon retainer |
-
2018
- 2018-04-27 CN CN201810394518.6A patent/CN108775341B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09303402A (en) * | 1996-05-20 | 1997-11-25 | Nippon Seiko Kk | Retainer for ball bearing |
| CN1501005A (en) * | 2002-11-15 | 2004-06-02 | Ntn��ʽ���� | Resin keeper for rolling bearing |
| JP2007285464A (en) * | 2006-04-19 | 2007-11-01 | Nsk Ltd | Retainer for ball bearing, ball bearing, and fixed magnetic disk device using the ball bearing |
| KR20110078425A (en) * | 2009-12-31 | 2011-07-07 | 셰플러코리아(유) | Retainer for ball bearing and manufacturing method of the same |
| CN102844579A (en) * | 2010-03-29 | 2012-12-26 | Ntn株式会社 | Rolling bearing and crown-shaped retainer |
| DE102014201442A1 (en) * | 2014-01-28 | 2015-07-30 | Schaeffler Technologies AG & Co. KG | Ball snap cage |
| CN205423552U (en) * | 2016-03-22 | 2016-08-03 | 浙江克外希精工机械有限公司 | Hat shape nylon retainer |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111503136A (en) * | 2020-04-08 | 2020-08-07 | 洛阳轴承研究所有限公司 | Rolling bearing and retainer thereof |
| CN114645903A (en) * | 2022-02-07 | 2022-06-21 | 山东金帝精密机械科技股份有限公司 | High-rotating-speed high-strength injection molding retainer |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108775341B (en) | 2020-07-24 |
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