CN107255121A - A kind of double-row angular contact bal bearing - Google Patents
A kind of double-row angular contact bal bearing Download PDFInfo
- Publication number
- CN107255121A CN107255121A CN201710509311.4A CN201710509311A CN107255121A CN 107255121 A CN107255121 A CN 107255121A CN 201710509311 A CN201710509311 A CN 201710509311A CN 107255121 A CN107255121 A CN 107255121A
- Authority
- CN
- China
- Prior art keywords
- ring
- double
- inner ring
- bearing
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn
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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
- F16C33/7806—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for spherical roller bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
- F16C33/72—Sealings
- F16C33/76—Sealings of ball or roller bearings
- F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
- F16C33/7816—Details of the sealing or parts thereof, e.g. geometry, material
- F16C33/782—Details of the sealing or parts thereof, e.g. geometry, material of the sealing region
-
- 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 build up 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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
-
- 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
- F16C2360/00—Engines or pumps
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
- Sealing Devices (AREA)
Abstract
The invention discloses a kind of double-row angular contact bal bearing, including inner ring, outer ring, steel ball, retainer, inner seal ring and sealing mechanism, the inner ring be by the completely the same inner ring ring group of two shapes into split-type structural, the both sides chamfering of described two interior ring joints, and a dovetail groove is formed in the middle part of the interior ring outer wall, inner seal ring is provided with the dovetail groove, the interior ring outer wall constitutes the biserial rolling groove being adapted with steel ball with the groove on the inwall of outer ring, the steel ball is enclosed on retainer, steel ball is evenly distributed in biserial rolling groove by retainer, the sealing mechanism is located at the upper shed between inner ring and outer ring, sealing mechanism includes dust cap, rubber seal, stainless steel preloading spring and stainless steel insert.The present invention is simple in construction, and the inner seal rings of bearing and outside sealing mechanism can be very good to prevent foreign from entering Bearing inner, while preventing the lubricant grease of Bearing inner from leaking, improve the transmission accuracy and service life of bearing.
Description
【Technical field】
The present invention relates to the technical field of bearing, particularly a kind of technical field of double-row angular contact bal bearing.
【Background technology】
Bearing is widely used on rotating mechanism, is played transmission, support, reduces friction and is born the effect such as load, mesh
Before be commonly used in automotive hub, machine tool chief axis, oil pump, air compressor, all kinds of speed changers, printing machinery etc..Bearing
Species is a lot, wherein angular contact ball bearing, and radial load and axial load can be born simultaneously, and double-row angular contact bal bearing has
Preferably rigidity, can bear radial load and act on the axial load of both direction, double-row angular contact bal bearing can be limited
Axle or shell bi-directional axial displacement, can bear tilting moment, be particularly suitable for use in the application scenario of high rigidity requirement.Bearing can
Directly affect transmission accuracy and its service life by property, and in the course of the work, often because the sealing effectiveness of Bearing inner not
Good, the outside sealing ring defect such as easily come off causes the extraneous foreign matter such as the iron scale produced in the operation of rolling, cooling water to enter
Enter bearing, the lubricant grease of Bearing inner can also leak, and so cause the non-fatigue failure of bearing, reduce the use of bearing
In the life-span, it can also increase workman and often add grease and change the workload of bearing.
【The content of the invention】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of double-row angular contact bal bearing, structure letter
Single, good airproof performance extends the service life of bearing, reduces the manpower and materials cost safeguarded and change bearing.
To achieve the above object, the present invention proposes a kind of double-row angular contact bal bearing, including inner ring, outer ring, steel ball, guarantor
Hold frame, inner seal ring and sealing mechanism, the inner ring be by the completely the same inner ring ring group of two shapes into split-type structural,
The both sides chamfering of described two interior ring joints, and one dovetail groove of formation, the dovetail groove in the middle part of the interior ring outer wall
Interior to be provided with inner seal ring, the inner seal ring is double-layer structure up and down, the lower floor of inner seal ring be with it is trapezoidal on interior ring outer wall
There are two row and the steel on the trapezium structure that groove is adapted, the upper strata rectangular cross-section structure of inner seal ring, the interior ring outer wall
The circular groove that ball is adapted, the outer ring is integral type structure in annular shape, outer ring, have on the inwall of outer ring two row with it is described
The circular groove that steel ball is adapted, the interior ring outer wall constitutes the biserial being adapted with steel ball with the groove on the inwall of outer ring and rolled
Dynamic groove, the steel ball is enclosed on retainer, and the retainer is clamped between inner ring and the biserial rolling groove of outer ring, and retainer will
Steel ball is evenly distributed in biserial rolling groove, and the sealing mechanism is located at the upper shed between inner ring and outer ring, sealing mechanism
Including dust cap, rubber seal, stainless steel preloading spring and stainless steel insert, the section of the dust cap for both sides length not
Same is U-shaped, and the U-shaped opening of dust cap is inlaid on the outer wall of inner ring towards outside, and the U-shaped long side of dust cap, described stainless
Steel skeleton section is L-type, and the stainless steel preloading spring and stainless steel insert are nested in rubber seal, rubber seal
On be provided with multiple contact lips, contact lip is born against on dust cap and stainless steel insert.
Preferably, the equal rounding in the outside of the inner ring and outer ring.
Preferably, the groove on the interior ring outer wall and outer ring inwall is is uniformly distributed, equally distributed groove so that
Steel ball is accurately positioned, it is ensured that the uniformity of speed during the two row steel balls rotation of bearing, so as to reduce two row bearing steel balls
Speed discrepancy, improves the utilization rate of bearing, greatly improves the service life of bearing.
Preferably, the both sides between the inner ring and outer ring are equipped with sealing mechanism.
Preferably, there are a horizontal segment and vertical section in the section of the rubber seal, the horizontal segment of rubber seal and perpendicular
Straight section is glued respectively to the outside on the L-type cross section both sides of stainless steel insert.
Preferably, filling 9.5~12.5g greases, institute in the cavity constituted between the inner ring, outer ring and sealing mechanism
State uniform smearing 0.3~0.5g greases at the contact lip of rubber seal.
Preferably, a kind of end-play of described double-row angular contact bal bearing is 0.010~0.030mm.
Beneficial effects of the present invention：The present invention, can be effective by increasing sealing ring to double-row angular contact bal bearing inside
Prevent that the grease of Bearing inner from leaking and extraneous foreign matter enters bearing, sealed by the outside increase to double-row angular contact bal bearing
Mechanism, preferably protection bearing is without prejudice, substantially increases bearing life.
The feature and advantage of the present invention will be described in detail by embodiment combination accompanying drawing.
【Brief description of the drawings】
Fig. 1 is a kind of cross-sectional view of double-row angular contact bal bearing of the invention；
Fig. 2 is a kind of cross-sectional view of the sealing mechanism of double-row angular contact bal bearing of the invention.
In figure：1- inner rings, 2- outer rings, 3- steel balls, 4- retainers, 5- inner seal rings, 6- sealing mechanisms, ring in 11-,
12- dovetail grooves, 13- cavitys, 51- trapezium structures, 52- rectangular configurations, 61- dust caps, 62- rubber seal, 63- stainless steels are pre-
Tight spring, 64- stainless steel inserts, 621- contacts lip, 622- horizontal segments, 623- vertical sections.
【Embodiment】
Refering to Fig. 1, Fig. 2, a kind of double-row angular contact bal bearing of the invention, including inner ring 1, outer ring 2, steel ball 3, retainer 4,
Inner seal ring 5 and sealing mechanism 6, the split-type structural that the inner ring 1 is made up of the completely the same interior ring 11 of two shapes,
The both sides chamfering of described two joints of interior ring 11, and one dovetail groove 12 of formation, the ladder in the middle part of the outer wall of inner ring 1
Be provided with inner seal ring 5 in shape groove 12, the inner seal ring 5 is double-layer structure up and down, the lower floor of inner seal ring 5 be with outside inner ring 1
Outside the trapezium structure 51 that dovetail groove 12 on wall is adapted, the upper strata rectangular cross-section structure 52 of inner seal ring 5, the inner ring 1
There is the circular groove that two row are adapted with the steel ball 3 on wall, the outer ring 2 is in annular shape, and outer ring 2 is integral type structure,
Have the circular groove that two row are adapted with the steel ball 3 on the inwall of outer ring 2, the outer wall of inner ring 1 with it is recessed on the inwall of outer ring 2
Groove constitutes the biserial rolling groove being adapted with steel ball 3, and the steel ball 3 is enclosed on retainer 4, and the retainer 4 is clamped in inner ring 1
Between the biserial rolling groove of outer ring 2, steel ball 3 is evenly distributed in biserial rolling groove by retainer 4, the sealing mechanism 6
At upper shed between inner ring 1 and outer ring 2, sealing mechanism 6 includes dust cap 61, rubber seal 62, stainless steel pretension bullet
Spring 63 and stainless steel insert 64, the section of the dust cap 61 is different U-shaped, the U-shaped opening court of dust cap 61 of both sides length
Laterally, and the U-shaped long side of dust cap 61 is inlaid on the outer wall of inner ring 1, the section of stainless steel insert 64 is L-type, described
Stainless steel preloading spring 63 and stainless steel insert 64 are nested in rubber seal 62, the increase of stainless steel preloading spring 63,
Make at the more firm upper shed being fixed between inner ring 1 and outer ring 2 of sealing mechanism 6, be provided with rubber seal 62 many
Individual contact lip 621, contact lip 621 is born against on dust cap 61 and stainless steel insert 64, and rubber seal 62 passes through with preventing
The nested arrangements of dirt lid 61, stainless steel preloading spring 63 and stainless steel insert 64, reach good sealing effectiveness, play protection axle
Hold and dust-proof effect.
Groove on the inner ring 1 and the equal rounding in outside of outer ring 2, the outer wall of inner ring 1 and the inwall of outer ring 2 is uniform
Distribution, equally distributed groove so that steel ball is accurately positioned, it is ensured that the uniformity of speed during the two row steel balls rotation of bearing,
So as to reduce the speed discrepancy of two row bearing steel balls, the utilization rate of bearing is improved, the service life of bearing is greatly improved.It is described
Both sides between inner ring 1 and outer ring 2 are equipped with sealing mechanism 5, and there is horizontal segment 622 in the section of the rubber seal 62 and vertical
Section 623, the horizontal segment 622 and vertical section 623 of rubber seal 62 are glued respectively to the L-type cross section both sides of stainless steel insert 64
Outside, filling 9.5~12.5g greases, the rubber in the cavity 13 constituted between the inner ring 1, outer ring 2 and sealing mechanism 6
It is uniform at the contact lip 621 of glue sealing ring 62 to smear 0.3~0.5g greases.A kind of axial play of the double-row angular contact bal bearing
Gap is 0.010~0.030mm.
The course of work of the present invention：
A kind of double-row angular contact bal bearing of the present invention in the course of the work, is typically mounted at automotive hub, machine tool chief axis, oil
Pump etc., can produce iron scale, cooling water etc., the inner seal rings of bearing and outside sealer unavoidably in the production operation of rolling
Structure can be very good to prevent foreign from entering Bearing inner, while preventing the lubricant grease of Bearing inner from leaking, protect well
Bearing has been protected, the transmission accuracy and service life of bearing is improved.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme belong to protection scope of the present invention.
Claims (7)
1. a kind of double-row angular contact bal bearing, it is characterised in that：Including inner ring (1), outer ring (2), steel ball (3), retainer (4),
Inner seal ring (5) and sealing mechanism (6), point that the inner ring (1) is made up of the completely the same interior ring (11) of two shapes
Body formula structure, the both sides chamfering of described two interior ring (11) joints, and one ladder of formation in the middle part of the inner ring (1) outer wall
Inner seal ring (5) is provided with shape groove (12), the dovetail groove (12), the inner seal ring (5) is double-layer structure, interior sealing up and down
The lower floor of circle (5) is the trapezium structure (51) that is adapted with the dovetail groove (12) on inner ring (1) outer wall, inner seal ring (5) it is upper
Layer cross section is to have the circular groove that two row are adapted with the steel ball (3) on rectangular configuration (52), inner ring (1) outer wall,
The outer ring (2) is in annular shape, and outer ring (2) are to have two row mutually to be fitted with the steel ball (3) on integral type structure, outer ring (2) inwall
The circular groove matched somebody with somebody, inner ring (1) outer wall constitutes the biserial being adapted with steel ball (3) with the groove on outer ring (2) inwall
Rolling groove, the steel ball (3) is enclosed on retainer (4), and the retainer (4) is clamped in the biserial rolling of inner ring (1) and outer ring (2)
Between dynamic groove, steel ball (3) is evenly distributed in biserial rolling groove by retainer (4), and the sealing mechanism (6) is located at inner ring (1)
At upper shed between outer ring (2), sealing mechanism (6) includes dust cap (61), rubber seal (62), stainless steel pretension bullet
Spring (63) and stainless steel insert (64), the section of the dust cap (61) is different U-shaped, the U of dust cap (61) of both sides length
Type opening is inlaid on the outer wall of inner ring (1) towards outside, and the U-shaped long side of dust cap (61), the stainless steel insert (64)
Section is L-type, and the stainless steel preloading spring (63) and stainless steel insert (64) are nested in rubber seal (62), rubber
Multiple contact lips (621) are provided with sealing ring (62), contact lip (621) is born against in dust cap (61) and stainless steel insert
(64) on.
2. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：The inner ring (1) and outer ring (2)
The equal rounding in outside.
3. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：Inner ring (1) outer wall and outer ring
(2) groove on inwall is to be uniformly distributed.
4. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：The inner ring (1) and outer ring (2) it
Between both sides be equipped with sealing mechanism (5).
5. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：Section of the rubber seal (62)
There are horizontal segment (622) and vertical section (623) in face, and the horizontal segment (622) and vertical section (623) of rubber seal (62) are bonded respectively
Outside on the L-type cross section both sides of stainless steel insert (64).
6. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：The inner ring (1), outer ring (2) and
Filling 9.5~12.5g greases, the contact lip of the rubber seal (62) in the cavity (13) constituted between sealing mechanism (6)
(621) 0.3~0.5g greases are uniformly smeared at place.
7. a kind of double-row angular contact bal bearing as claimed in claim 1, it is characterised in that：A kind of double row angular contact ball axle
The end-play held is 0.010~0.030mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509311.4A CN107255121A (en) | 2017-06-28 | 2017-06-28 | A kind of double-row angular contact bal bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710509311.4A CN107255121A (en) | 2017-06-28 | 2017-06-28 | A kind of double-row angular contact bal bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107255121A true CN107255121A (en) | 2017-10-17 |
Family
ID=60024408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710509311.4A Withdrawn CN107255121A (en) | 2017-06-28 | 2017-06-28 | A kind of double-row angular contact bal bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107255121A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253161A (en) * | 2018-11-30 | 2019-01-22 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integral seal double row tapered roller bearing |
| CN110594299A (en) * | 2019-09-25 | 2019-12-20 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integrated anti-falling high-sealing combined sealing ring |
-
2017
- 2017-06-28 CN CN201710509311.4A patent/CN107255121A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253161A (en) * | 2018-11-30 | 2019-01-22 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integral seal double row tapered roller bearing |
| CN110594299A (en) * | 2019-09-25 | 2019-12-20 | 瓦房店轴承集团国家轴承工程技术研究中心有限公司 | Integrated anti-falling high-sealing combined sealing ring |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103836067A (en) | Sealed self-aligning roller bearing for high-speed rail and repair method thereof | |
| CN203477060U (en) | Special sealed four-point contact ball bearing | |
| CN107255121A (en) | A kind of double-row angular contact bal bearing | |
| CN203051766U (en) | Floating oil seal component and mechanical device with same | |
| CN103438095B (en) | Full complement self-aligning roller bearing | |
| CN207178473U (en) | A kind of double-row angular contact bal bearing | |
| CN203822847U (en) | Sealing type self-aligning roller bearing for high speed train | |
| CN105545944B (en) | A kind of large-scale thrust ball bearing and its assemble method with air-tightness | |
| CN204628280U (en) | A kind of heavily loaded multiple row spherical structure automobile hub bearing | |
| CN204553546U (en) | Forklift door frame bearing | |
| CN204025366U (en) | There is the roller bearing units of dustproof guard ring | |
| CN215762795U (en) | Heavy-load slewing bearing device with check ring for high-precision rotary table | |
| CN202732713U (en) | Sealing ring for bearing | |
| CN104847788A (en) | Automobile hub bearing unit | |
| CN102777500A (en) | Hub bearing unit with four-lip seal structure | |
| CN205025928U (en) | Flanged (FLGD) two -way thrust angular contact bearing | |
| CN205207422U (en) | Two -row ball bearing and contain gyro wheel of said two -row ball bearing | |
| CN106949243A (en) | A kind of Novel hub unit inner seal ring | |
| CN203214649U (en) | Rotary bearing | |
| CN106195024A (en) | A kind of dust-proof deep groove ball bearing with double-layer seal lid | |
| CN207377958U (en) | A kind of planker side wheel | |
| CN202301435U (en) | Double-row ball bearing | |
| CN206555294U (en) | A kind of anti-slip retardance bearing | |
| CN212838983U (en) | High-precision sealed water pump angular contact ball bearing | |
| CN211202606U (en) | Double-row four-point contact rolling bearing |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171017 |
|
| WW01 | Invention patent application withdrawn after publication |