CN108591250A - a kind of rolling bearing assembly - Google Patents
a kind of rolling bearing assembly Download PDFInfo
- Publication number
- CN108591250A CN108591250A CN201810442381.7A CN201810442381A CN108591250A CN 108591250 A CN108591250 A CN 108591250A CN 201810442381 A CN201810442381 A CN 201810442381A CN 108591250 A CN108591250 A CN 108591250A
- Authority
- CN
- China
- Prior art keywords
- bearing
- outer ring
- steel ball
- race
- inner race
- 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.)
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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
- 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
-
- 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)
- Support Of The Bearing (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The present invention relates to a kind of rolling bearing assemblies, including bearing body, it includes the steel ball group and retainer that multiple steel balls are constituted, steel ball group, which is embedded in retainer, forms entirety, bearing body is mounted in the cavity space that bearing inner race is formed with bearing outer ring channel, wherein, the contact surface of each steel ball in steel ball group and bearing inner race, bearing outer ring generates two contact points respectively；Bearing body, bearing inner race and bearing outer ring above-mentioned are mounted in bearing race；The bearing assembly can make bearing have bigger center adjusting value under the conditions of small free clearance, while the bearing group can provide certain screen resilience and damping again, and the gap and reduction for fully eliminating assembly system vibrate.
Description
Technical field
The present invention relates to a kind of rolling bearing assemblies, belong to technical field of bearings.
Background technology
Ball bearing its aligning function in operation process is extremely limited, if using spherical outside surface self-aligning bearing, external centre-adjusting
Face will be difficult to provide screen resilience, and can only be rotated in deflected position.It is being provided in the spring bearing needs of some occasions such as worm screw
Being allowed between worm screw and turbine while certain center adjusting value has certain rebound pretightning force, to avoid what free clearance brought from rushing
Hit vibration.
Self-aligning bearing used at present is required in addition coordinate the pressing device of rebound, such as press-working spring or spiral bullet
Spring, assembly difficulty is big in use, and part is more, easy tos produce fit clearance, generates loosening after prolonged use.
Invention content
The present invention provides a kind of rolling bearing assembly, which can be such that bearing has under the conditions of small free clearance
Bigger center adjusting value, while the bearing group can provide certain screen resilience and damping again, fully eliminate the gap of assembly system
It is vibrated with reducing.
The technical solution adopted by the present invention to solve the technical problems is：
A kind of rolling bearing assembly, including bearing body comprising the steel ball group and retainer that multiple steel balls are constituted, steel ball group
It being embedded in retainer and forms entirety, bearing body is mounted in the cavity space that bearing inner race is formed with bearing outer ring channel,
Wherein, the contact surface of each steel ball in steel ball group and bearing inner race, bearing outer ring generates two contact points respectively；
Bearing body, bearing inner race and bearing outer ring above-mentioned are mounted in bearing race；
As present invention further optimization, two outer ring grooves, dustproof cover installation are symmetrically opened up on the internal diameter of bearing outer ring
In groove；Two seat ring grooves are symmetrically opened up on bearing race, and internal jump ring and rubber washer are installed in seat ring groove；
As present invention further optimization, the raceway groove of bearing outer ring above-mentioned, the raceway groove of bearing inner race are peach-shaped structure, each
The raceway groove of steel ball and bearing outer ring, bearing inner race raceway groove only there are two contact point；
As present invention further optimization, the outer diameter of bearing outer ring above-mentioned is spherical outside surface, and the internal diameter of bearing race is interior ball
Face, spherical outside surface match with Internal Spherical Surface, and the two centre of sphere overlaps, and the two radius of a ball size is identical；
Two step slots, Mei Getai are symmetrically opened up as present invention further optimization, on the internal diameter of bearing race above-mentioned
Installation clamp spring and rubber washer in stepwise slot；
As present invention further optimization, the outer diameter of bearing outer ring above-mentioned is discontinuous spherical outside surface, symmetrically opens up two thereon
A L-type slot is arranged a rubber washer in each L-type slot respectively；
As present invention further optimization, two axial fitting grooves, two axial fitting grooves are symmetrically opened up on bearing race
Between be arranged in 180 degree angle, and its width is equal with the outer diameter sphere width of bearing outer ring, for will be in bearing body, bearing
Circle and bearing outer ring right angle setting enter in axial fitting groove；
As present invention further optimization, lubricating grease is packed between multiple steel balls in aforementioned steel ball group.
By above technical scheme, compared with the existing technology, the invention has the advantages that：
To reduce free clearance, bearing inner race, bearing outer ring raceway groove respectively there are two contact point, when bearing axial thrust,
There are two put to carry out contact carrying, as four-point contact ball structure respectively；
In this structure, bearing race can reach the function of aligning swing with the arc surface before bearing outer ring；
Rubber washer between bearing race and bearing outer ring can play the role of resilient support, and rubber washer deforms, and rise
To generating damping and returning the function of positive force, initial position can be returned to after external force removal；
Bearing body can integrally carry out the swing of aligning, and rubber pad when its swing in bearing race relatively as one
Circle can deform, and play the function of generating damping and return positive force；
It is opened on bearing race there are two axial fitting groove, can be smoothly packed among bearing race for bearing outer ring.
Description of the drawings
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the overall appearance figure of the preferred embodiment of the present invention；
Fig. 2 is the main sectional view of the preferred embodiment of the present invention；
Fig. 3 is the explosive view of the preferred embodiment of the present invention；
Fig. 4 is the bearing race overall appearance figure of the preferred embodiment of the present invention.
In figure：1 is bearing race, and 2 be internal jump ring, and 3 be dustproof cover, and 4 be bearing inner race, and 5 be bearing outer ring, and 6 be rubber
Washer, 7 be retainer, and 8 be steel ball group, and 9 be lubricating grease.
Specific implementation mode
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates the basic structure of the present invention, therefore it only shows the composition relevant to the invention.
As Figure 1-Figure 4, the present invention includes following characteristics component：1 is bearing race, and 2 be internal jump ring, and 3 be dustproof cover,
4 be bearing inner race, and 5 be bearing outer ring, and 6 be rubber washer, and 7 be retainer, and 8 be steel ball group, and 9 be lubricating grease.
A kind of rolling bearing assembly of the present invention, including bearing body comprising steel ball group that multiple steel balls are constituted and
Retainer, steel ball group, which is embedded in retainer, forms entirety, and bearing body is formed mounted on bearing inner race with bearing outer ring channel
Cavity space in, the retainer is plastics crown type retainer, and steel ball can generate phase between bearing inner race, bearing outer ring
To rotation；Wherein, the contact surface of each steel ball in steel ball group and bearing inner race, bearing outer ring generates two contact points respectively；
Bearing body, bearing inner race and bearing outer ring above-mentioned are mounted in bearing race；
Bearing race can be used high carbon alloy steel or be made using powder smelting material, be needed if using steel alloy
Lubricating grease is added wherein, can be slotted if necessary along turning circumference direction in spherical contact surface, it, can for storing grease
Abrasion is reduced when long-time uses and extends the service life；If may be selected according to its own self-lubricating feature using powder metallurgy
Injection lubricant grease is not injected into lubricant grease.
As present invention further optimization, two outer ring grooves, dustproof cover are symmetrically opened up on the internal diameter of bearing outer ring
In groove；Two seat ring grooves are symmetrically opened up on bearing race, and internal jump ring and rubber pad are installed in seat ring groove
Circle；
As present invention further optimization, the raceway groove of bearing outer ring above-mentioned, the raceway groove of bearing inner race are peach-shaped structure, each
The raceway groove of steel ball and bearing outer ring, bearing inner race raceway groove only there are two contact point；
As present invention further optimization, the outer diameter of bearing outer ring above-mentioned is spherical outside surface, and the internal diameter of bearing race is interior ball
Face, spherical outside surface match with Internal Spherical Surface, and the two centre of sphere overlaps, and the two radius of a ball size is identical；
The outer surface of bearing outer ring is before mating spherical surfaces with bearing race inner surface, and bearing outer ring and its interior bearing body are equal
The aligning rotation of certain angle can be done inside bearing race；To reduce the gap that freely jumps, the gap between two spherical surfaces can
The positive value even negative value for thinking very little is packed into assembly using certain assembly force；In the outer surface of bearing outer ring
One of oil storage tank can be along the circumferential direction processed, wherein the required lubricant grease of front slide of two spherical surfaces of storage.
Two step slots are symmetrically opened up as present invention further optimization, on the internal diameter of bearing race above-mentioned, often
Installation clamp spring and rubber washer in a step slot；
As present invention further optimization, the outer diameter of bearing outer ring above-mentioned is discontinuous spherical outside surface, symmetrically opens up two thereon
A L-type slot is arranged a rubber washer in each L-type slot respectively；
NBR rubber can be used in rubber washer, it is contemplated that the difference of operating temperature is contemplated that the broader rubber material of other temperature resistant ranges
Material；The hardness of rubber and the thickness of rubber washer can do corresponding adjustment, can be to rubber pad in the case of needing to deform greatly
The thickness of circle is increased or using softer rubber, is if desired increased screen resilience and thinner rubber be may be used or using more
Hard rubber.
It is needed between rubber washer and internal jump ring using closely cooperation, that is, rubber after clamp spring dress in the axial direction
Be in slight impaction state, in this way can the possible internal clearance for reducing entire component of bigger, during reducing use
Noise risk.
Shown in Fig. 4, as present invention further optimization, two axial fitting grooves are symmetrically opened up on bearing race, two
It is arranged in 180 degree angle between a axial direction fitting groove, and its width is equal with the outer diameter sphere width of bearing outer ring, is used for bearing
Ontology, bearing inner race and bearing outer ring right angle setting enter in axial fitting groove；After 90 ° being turned after loading using certain power
Enter the installation that aligning seat cooperation can be completed in position.
As present invention further optimization, lubricating grease is packed between multiple steel balls in aforementioned steel ball group.
In certain embodiments, the center of the outer diameter spherical surface of bearing outer ring and its internal bearings ball group can be misaligned and design
At thering is certain eccentricity, the i.e. oscillation center of aligning and the rotation center of bearing to have certain offset distance；This design can
Keep the movement of aligning restoring force more flexible.
Dustproof cover above-mentioned is made of metal material, and metal dust-proof cover can remove or use in certain embodiments rubber
The contact seal or contactless sealing element that material makes replace.Use its leakproofness in the case of contact rubber seal
It can be greatly enhanced, can preferably protect the rolling portion free from dust of Bearing inner to enter with other magazines, improve axis
The running life held.
Phenolic resin material can be used to reduce its weight or use the wave of stamped metal in retainer in certain embodiments
Type retainer is replaced to increase its intensity.
Ceramic Balls can be used to increase its elasticity modulus in steel ball group in certain embodiments, improve the rigidity of steel ball with it is durable
Service life, moment of friction when reducing bearing operation reduce power attenuation when bearing operation.
Groove on bearing inner race outer diameter can be removed or change shape in certain embodiments, especially be connect in use
When touch caulking gum is as sealing material, the sealing performance of bearing can be improved in the raising of the cooperation compactness between both.
Bearing inner race has used the structure of four point contacts with the ball race on bearing outer ring, can greatly reduce bearing in this way
Free clearance in the axial direction, but radial bearing capacity can be sacrificed simultaneously；If axially free gap is not main
If considering point, it may be considered that change it to deep groove ball bearing；If necessary to increase its bearing capacity, case study on implementation is applied at certain
In its inner ring can be done to half inner ring structure in pairs, can increase its steel ball number in this way, improve rated capacity.
Those skilled in the art of the present technique are appreciated that unless otherwise defined, all terms used herein（Including technology art
Language and scientific terminology）With meaning identical with the general understanding of the those of ordinary skill in the application fields.Should also
Understand, those terms such as defined in the general dictionary, which should be understood that, to be had and the meaning in the context of the prior art
The consistent meaning of justice, and unless defined as here, will not be with idealizing or the meaning of too formal be explained.
The meaning of "and/or" described herein refers to that the case where respective individualism or both exists simultaneously wraps
Including including.
The meaning of " connection " described herein can be directly connected to can also be to pass through between component between component
Other components are indirectly connected with.
It is enlightenment with above-mentioned desirable embodiment according to the present invention, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.The technology of this invention
Property range is not limited to the contents of the specification, it is necessary to determine its technical scope according to right.
Claims (8)
1. a kind of rolling bearing assembly, it is characterised in that：Including bearing body comprising steel ball group that multiple steel balls are constituted and
Retainer, steel ball group, which is embedded in retainer, forms entirety, and bearing body is formed mounted on bearing inner race with bearing outer ring channel
Cavity space in, wherein the contact surface of each steel ball and bearing inner race, bearing outer ring in steel ball group generates two and connects respectively
Contact；
Bearing body, bearing inner race and bearing outer ring above-mentioned are mounted in bearing race.
2. rolling bearing assembly according to claim 1, it is characterised in that：Two are symmetrically opened up on the internal diameter of bearing outer ring
A outer ring groove, dustproof cover are mounted in groove；Two seat ring grooves are symmetrically opened up on bearing race, are pacified in seat ring groove
Fill internal jump ring and rubber washer.
3. rolling bearing assembly according to claim 1, it is characterised in that：In the raceway groove of bearing outer ring above-mentioned, bearing
The raceway groove of circle is peach-shaped structure, and only there are two contact points for the raceway groove of each steel ball and bearing outer ring, the raceway groove of bearing inner race.
4. rolling bearing assembly according to claim 2, it is characterised in that：The outer diameter of bearing outer ring above-mentioned is ectosphere
The internal diameter in face, bearing race is Internal Spherical Surface, and spherical outside surface matches with Internal Spherical Surface, and the two centre of sphere overlaps, and the two radius of a ball size
It is identical.
5. rolling bearing assembly according to claim 4, it is characterised in that：It is symmetrically opened on the internal diameter of bearing race above-mentioned
If two step slots, installation clamp spring and rubber washer in each step slot.
6. rolling bearing assembly according to claim 4, it is characterised in that：The outer diameter of bearing outer ring above-mentioned is discontinuous
Spherical outside surface symmetrically opens up two L-type slots, is arranged a rubber washer in each L-type slot respectively thereon.
7. rolling bearing assembly according to claim 4, it is characterised in that：Two axial directions are symmetrically opened up on bearing race
Fitting groove is arranged in 180 degree angle between two axial fitting grooves, and its width is equal with the outer diameter sphere width of bearing outer ring,
For bearing body, bearing inner race and bearing outer ring right angle setting to be entered in axial fitting groove.
8. rolling bearing assembly according to claim 1, it is characterised in that：It is filled between multiple steel balls in aforementioned steel ball group
Enter lubricating grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442381.7A CN108591250B (en) | 2018-05-10 | 2018-05-10 | Rolling bearing assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810442381.7A CN108591250B (en) | 2018-05-10 | 2018-05-10 | Rolling bearing assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108591250A true CN108591250A (en) | 2018-09-28 |
| CN108591250B CN108591250B (en) | 2021-03-16 |
Family
ID=63636781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810442381.7A Active CN108591250B (en) | 2018-05-10 | 2018-05-10 | Rolling bearing assembly |
Country Status (1)
| Country | Link |
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| CN (1) | CN108591250B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032206A (en) * | 2020-08-21 | 2020-12-04 | 湖南美蓓达科技股份有限公司 | Bearing assembly |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201858278U (en) * | 2010-11-26 | 2011-06-08 | 襄阳汽车轴承股份有限公司 | Four-contact-point type clutch release bearing |
| JP2013053716A (en) * | 2011-09-06 | 2013-03-21 | Jtekt Corp | Self-aligning roller bearing and turning wheel support structure |
| CN203067567U (en) * | 2012-12-10 | 2013-07-17 | 中山市盈科轴承制造有限公司 | Angular contact ball insert bearing with base |
| CN204692336U (en) * | 2015-05-18 | 2015-10-07 | 江苏联动轴承有限公司 | Automobile EPS special self lubricating centre regulating worm component bearing |
| CN205780283U (en) * | 2016-07-01 | 2016-12-07 | 江苏儒豪精密机械有限公司 | A kind of new automobile electric power steering four-point contact ball |
| CN206175471U (en) * | 2016-08-24 | 2017-05-17 | 大连国威轴承股份有限公司 | Integral four point contact ball of peach shaped raceway |
-
2018
- 2018-05-10 CN CN201810442381.7A patent/CN108591250B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201858278U (en) * | 2010-11-26 | 2011-06-08 | 襄阳汽车轴承股份有限公司 | Four-contact-point type clutch release bearing |
| JP2013053716A (en) * | 2011-09-06 | 2013-03-21 | Jtekt Corp | Self-aligning roller bearing and turning wheel support structure |
| CN203067567U (en) * | 2012-12-10 | 2013-07-17 | 中山市盈科轴承制造有限公司 | Angular contact ball insert bearing with base |
| CN204692336U (en) * | 2015-05-18 | 2015-10-07 | 江苏联动轴承有限公司 | Automobile EPS special self lubricating centre regulating worm component bearing |
| CN205780283U (en) * | 2016-07-01 | 2016-12-07 | 江苏儒豪精密机械有限公司 | A kind of new automobile electric power steering four-point contact ball |
| CN206175471U (en) * | 2016-08-24 | 2017-05-17 | 大连国威轴承股份有限公司 | Integral four point contact ball of peach shaped raceway |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032206A (en) * | 2020-08-21 | 2020-12-04 | 湖南美蓓达科技股份有限公司 | Bearing assembly |
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| Publication number | Publication date |
|---|---|
| CN108591250B (en) | 2021-03-16 |
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