CN116696937A - Double-row angular contact ball one-row cylindrical roller hub bearing structure for passenger car - Google Patents
Double-row angular contact ball one-row cylindrical roller hub bearing structure for passenger car Download PDFInfo
- Publication number
- CN116696937A CN116696937A CN202310584111.0A CN202310584111A CN116696937A CN 116696937 A CN116696937 A CN 116696937A CN 202310584111 A CN202310584111 A CN 202310584111A CN 116696937 A CN116696937 A CN 116696937A
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- China
- Prior art keywords
- row
- bearing
- ball
- ring
- inner ring
- 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.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims description 18
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 description 7
- 239000000428 dust Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/49—Bearings with both balls and rollers
-
- 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
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention relates to the technical field of hub bearings, in particular to a double-row angular contact ball one-row cylindrical roller hub bearing structure for a passenger car, which comprises a bearing outer ring, a first bearing inner ring, a second bearing inner ring, a first row of balls, a second row of balls and a third row of rollers; the bearing is fixed in the operation process, the bearing outer ring is fixed, the bearing inner ring rotates, the rollers rotate along with the bearing inner ring and rotate, meanwhile, the raceway bus is in a straight line shape due to the fact that the added third row of rollers are matched with the raceway, and the rollers are in line contact with the bearing inner ring and the bearing outer ring respectively, so that the radial bearing capacity of a bearing structure is high and the bearing is suitable for high-speed rotation, the added third row of rollers of the bearing not only improves the radial bearing capacity of the bearing, but also improves the use load of the whole automobile on the premise that the appearance of the bearing is not changed, and the effect is good.
Description
Technical Field
The invention relates to the technical field of hub bearings, in particular to a double-row angular contact ball one-row cylindrical roller hub bearing structure for a passenger car.
Background
Hub bearings are currently used in a variety of industries, such as the automotive industry, rail transit, and the like.
The internal rolling body structure of the general hub bearing is two rows of balls or two rows of tapered rollers, so that most of the current use conditions can be met, but the hub bearing with two rows of identical rolling bodies cannot meet the use requirements along with the increase of the load of the whole vehicle.
In order to meet the technical requirement of high bearing working conditions in a limited interface size range, the double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car is provided, so that the technical problem is better solved.
Disclosure of Invention
The invention aims to provide a double-row angular contact ball one-row cylindrical roller hub bearing structure for a passenger car, and aims to solve the technical problem that the hub bearing with the two rows of identical rolling bodies cannot meet the use requirement along with the increase of the load of the whole car because the internal structure of the traditional hub bearing is two rows of identical rolling bodies and can meet most of the current use conditions.
In order to achieve the above purpose, the invention provides a double row angular contact ball one row cylindrical roller hub bearing structure for a passenger car, which comprises a bearing outer ring, a first bearing inner ring, a second bearing inner ring, a first row of balls, a second row of balls and a third row of rollers, wherein the first bearing inner ring is penetrated in the bearing outer ring, the second bearing inner ring is fixedly connected with the first bearing inner ring and is positioned at one side of the first bearing inner ring close to the bearing outer ring, the first row of balls, the second row of balls and the third row of rollers are respectively arranged in raceways between the bearing outer ring and the bearing inner ring, the third row of rollers are positioned between the first row of balls and the second row of balls, and the rollers of the third row of rollers are cylindrical rollers.
The inner circumferential surface of the bearing outer ring is provided with a third row of roller outer ring rollaway nest matched with the third row of rollers; the outer circumferential surface of the first bearing inner ring is provided with a third row of roller inner ring rollaway nest matched with the third row of rollers; the third row of rollers is arranged between the inner ring roller path and the outer ring roller path.
And a clearance b is formed between the third row of rollers and the outer ring roller path of the third row of rollers and/or the inner ring roller path of the third row of rollers, wherein the clearance b is bearing clearance, and C3 or C4 group clearance is selected.
The inner circumferential surface of the bearing outer ring is also provided with a first row of ball outer ring rollaway nest matched with the first row of balls; the outer circumferential surface of the second bearing inner ring is provided with a first row of ball inner ring raceways matched with the first row of balls, an included angle a is formed between the first row of balls and the first row of ball outer ring raceways and between the first row of ball inner ring raceways, and the included angle a is a contact angle and is 25-40 degrees.
The inner circumferential surface of the bearing outer ring is also provided with a second row of ball outer ring rollaway nest matched with the second row of balls; the outer circumferential surface of the first bearing inner ring is provided with a second row of ball inner ring raceways matched with the second row of balls, an included angle a is formed between the second row of balls and the second row of ball outer ring raceways and between the second row of ball outer ring raceways and the second row of ball inner ring raceways, and the included angle a is called a contact angle and is 25-40 degrees.
The double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car further comprises a retainer, wherein the retainer is movably connected with balls or rollers and is located between the bearing outer ring and the first bearing inner ring.
The double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car further comprises a sealing ring, and the sealing ring is arranged between the bearing outer ring and the first bearing inner ring.
The sealing ring comprises a sealing ring framework and sealing ring rubber, wherein the sealing ring framework is fixedly connected with the sealing ring rubber and is positioned between the bearing outer ring and the second bearing inner ring.
According to the double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car, the bearing is characterized in that the bearing outer ring is fixed, the bearing inner ring rotates, rollers rotate along with the bearing inner ring and rotate, meanwhile, the added third row of rollers are matched with the roller path, the bus of the roller path is in a straight line shape, and the rollers are respectively contacted with the bearing inner ring and the bearing outer ring line, so that the radial bearing capacity of the bearing structure is high and the bearing structure is suitable for high-speed rotation, the added third row of rollers of the bearing not only improves the radial bearing capacity of the bearing, but also improves the use load of the whole car on the premise of not changing the appearance of the bearing, and the effect is good.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a schematic structural view of a double row angular contact ball-column cylindrical roller hub bearing structure for a passenger car.
Fig. 2 is an enlarged view of the invention at a of fig. 1.
Fig. 3 is an enlarged view of the invention at B of fig. 1.
Fig. 4 is an enlarged view of the present invention at C of fig. 1.
In the figure: the ball bearing comprises a 1-bearing outer ring, a 2-first bearing inner ring, a 3-second bearing inner ring, a 4-first row of balls, a 5-second row of balls, a 6-third row of rollers, a 7-retainer, an 8-sealing ring framework, a 9-sealing ring rubber, a 10-third row of roller outer ring rollaway nest, a 11-third row of roller inner ring rollaway nest, a 12-first row of ball outer ring rollaway nest, a 13-first row of ball inner ring rollaway nest, a 14-second row of ball outer ring rollaway nest and a 15-second row of ball inner ring rollaway nest.
Detailed Description
The following detailed description of embodiments of the invention, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the invention.
Referring to fig. 1 to 4, a double row angular contact ball-column cylindrical roller hub bearing structure for a passenger car comprises a bearing outer ring 1, a first bearing inner ring 2, a second bearing inner ring 3, a first row of balls 4, a second row of balls 5 and a third row of rollers 6, wherein the first bearing inner ring 2 is penetrated in the bearing outer ring 1, the second bearing inner ring 3 is fixedly connected with the first bearing inner ring 2 and is positioned on one side of the first bearing inner ring 2 close to the bearing outer ring 1, the first row of balls 4, the second row of balls 5 and the third row of rollers 6 are respectively arranged in raceways between the bearing outer ring 1 and the bearing inner ring, the third row of rollers 6 are positioned between the first row of balls 4 and the second row of balls 5, and the rollers of the third row of rollers 6 are cylindrical rollers.
Further, referring to fig. 1 and 2, an inner circumferential surface of the bearing outer ring 1 is provided with a third row roller outer ring raceway 10 that cooperates with the third row rollers 6; the outer circumferential surface of the first bearing inner ring 2 is provided with a third row of roller inner ring raceways 11 matched with the third row of rollers 6; the third row of rollers 6 is mounted between the inner and outer races.
Further, referring to fig. 2, a gap b is formed between the third row of rollers 6 and the third row of roller outer ring raceways 10 and/or the third row of roller inner ring raceways 11, where the gap b is a bearing play, and a C3 or C4 group play is selected.
Further, referring to fig. 1 and 3, the inner circumferential surface of the bearing outer ring 1 is further provided with a first row of ball outer ring raceways 12 that are matched with the first row of balls 4; the outer circumferential surface of the second bearing inner ring 3 is provided with a first row of ball inner ring raceways 13 matched with the first row of balls 4, an included angle a is formed between the first row of balls 4 and the first row of ball outer ring raceways 12 and between the first row of balls inner ring raceways 13, and the included angle a is a contact angle and is 25-40 degrees.
Further, referring to fig. 1 and 4, the inner circumferential surface of the bearing outer ring 1 is further provided with a second row of ball outer ring raceways 14 that are matched with the second row of balls 5; the outer circumferential surface of the first bearing inner ring 2 is provided with a second row of ball outer ring raceways 15 matched with the second row of balls 5, and an included angle a is formed between the second row of balls 5 and the second row of ball outer ring raceways 14 and between the second row of balls outer ring raceways 15, and is called a contact angle, and the included angle a is 25-40 degrees.
In this embodiment, the bolt hole of the first bearing inner ring 2 is provided with a bolt, so that the bearing is convenient to use and install, the second bearing inner ring 3 is installed outside the first bearing inner ring 2, the first bearing inner ring 2 and the second bearing inner ring 3 are arranged in the bearing outer ring 1 in a penetrating manner, a gap b is formed between the first bearing inner ring 2, the second bearing inner ring 3 and the bearing outer ring 1, the first row of balls 4, the second row of balls 5 and the third row of rollers 6, the bearing outer ring 1 and the middle part of two sides of the first bearing inner ring 2, which are close to each other, are respectively provided with the third row of roller outer ring raceways 10 and the third row of roller inner ring raceways 11, the third row of rollers 6 are positioned between the first row of balls 4 and the second row of balls 5 and are positioned in the raceways, the number of rollers in each row is at least three, the gap b is called a clearance b between the third row of rollers 6 and the bearing inner ring 1 or the first bearing inner ring 2, and the clearance b is selected as a bearing, and the radial bearing 6 is not in the radial bearing is a radial bearing, and the bearing is not in the shape of the bearing 6, and the radial bearing is not in the same time, and the radial bearing is not in the shape of the bearing is improved, and the radial bearing is in the rolling bearing, and the radial bearing is not in the shape, and the radial bearing is in the bearing, and the radial bearing is in the rolling bearing is in the bearing, and the rolling bearing.
Further, referring to fig. 1 and 3, the double row angular contact ball-column cylindrical roller hub bearing structure for a passenger car further includes a cage 7, where the cage 7 is movably connected with balls or rollers and is located between the bearing outer ring 1 and the first bearing inner ring 2.
In the present embodiment, the first row of balls 4, the second row of balls 5 and the third row of rollers 6 are respectively mounted in the bearing by the cage 7, and the cage 7 makes the running of the rollers more stable and improves the stability of the bearing structure.
Further, referring to fig. 1, the double row angular contact ball-column cylindrical roller hub bearing structure for a passenger car further includes a sealing ring, where the sealing ring is disposed between the bearing outer ring 1 and the first bearing inner ring 2.
Further, referring to fig. 1, the seal ring includes a seal ring skeleton 8 and a seal ring rubber 9, where the seal ring skeleton 8 and the seal ring rubber 9 are fixedly connected and located between the bearing outer ring 1 and the second bearing inner ring 3.
In this embodiment, the front end and the end between the bearing outer ring 1 and the bearing inner ring are respectively provided with the seal ring framework 8 and the seal ring rubber 9, so as to improve the tightness of the bearing, prevent external dust from entering the bearing, influence the normal use of the bearing, and stably install the seal ring rubber 9 in the bearing through the seal ring framework 8, so as to improve the stability of the bearing structure.
According to the double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car, the bearing is characterized in that the bearing outer ring 1 is fixed, the bearing inner ring rotates, rollers rotate along with the bearing inner ring and rotate, meanwhile, the added third row of rollers 6 are matched with the roller path, the bus of the roller path is in a straight line shape, and the rollers are respectively in line contact with the bearing inner ring and the bearing outer ring 1, so that the radial bearing capacity of the bearing structure is high and the bearing structure is suitable for high-speed rotation, the added third row of rollers 6 of the bearing not only improves the radial bearing capacity of the bearing, but also improves the use load of the whole car on the premise of not changing the appearance of the bearing, and the effect is good.
The above disclosure is only a preferred embodiment of the present invention, and it should be understood that the scope of the invention is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present invention.
Claims (8)
1. The utility model provides a passenger car is with one row of cylindrical roller wheel hub bearing structure of biserial angular contact ball, its characterized in that includes bearing outer lane, first bearing inner race, second bearing inner race, first row ball, second row ball and third row roller, first bearing inner race wears to locate in the bearing outer lane, second bearing inner race with first bearing inner race fixed connection, and be located first bearing inner race is close to one side of bearing outer lane, first row ball second row ball with third row roller install respectively in the raceway between bearing outer lane and the bearing inner race, third row roller is located first row ball with between the second row ball, the roller of third row roller is cylindrical roller.
2. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 1, wherein,
the inner circumferential surface of the bearing outer ring is provided with a third row of roller outer ring rollaway nest matched with the third row of rollers; the outer circumferential surface of the first bearing inner ring is provided with a third row of roller inner ring rollaway nest matched with the third row of rollers; the third row of rollers is arranged between the inner ring roller path and the outer ring roller path.
3. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 2, wherein,
and a gap b is formed between the third row of rollers and the outer ring roller path of the third row of rollers and/or the inner ring roller path of the third row of rollers, wherein the gap b is a bearing clearance, and a C3 or C4 group clearance is selected.
4. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 1, wherein,
the inner circumferential surface of the bearing outer ring is also provided with a first row of ball outer ring rollaway nest matched with the first row of balls; the outer circumferential surface of the second bearing inner ring is provided with a first row of ball inner ring raceways matched with the first row of balls, an included angle a is formed between the first row of balls and the first row of ball outer ring raceways and between the first row of ball inner ring raceways, and the included angle a is a contact angle and is 25-40 degrees.
5. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 1, wherein,
the inner circumferential surface of the bearing outer ring is also provided with a second row of ball outer ring rollaway nest matched with the second row of balls; the outer circumferential surface of the first bearing inner ring is provided with a second row of ball inner ring raceways matched with the second row of balls, an included angle a is formed between the second row of balls and the second row of ball outer ring raceways and between the second row of ball outer ring raceways and the second row of ball inner ring raceways, and the included angle a is called a contact angle and is 25-40 degrees.
6. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 1, wherein,
the double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car further comprises a retainer, wherein the retainer is movably connected with the balls or rollers and is positioned between the bearing outer ring and the first bearing inner ring.
7. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger car as set forth in claim 1, wherein,
the double-row angular contact ball one-row cylindrical roller hub bearing structure for the passenger car further comprises a sealing ring, wherein the sealing ring is arranged between the bearing outer ring and the first bearing inner ring.
8. A double row angular contact ball-column cylindrical roller hub bearing structure for passenger vehicles as set forth in claim 7, wherein,
the sealing ring comprises a sealing ring framework and sealing ring rubber, wherein the sealing ring framework is fixedly connected with the sealing ring rubber and is positioned between the bearing outer ring and the second bearing inner ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310584111.0A CN116696937A (en) | 2023-05-23 | 2023-05-23 | Double-row angular contact ball one-row cylindrical roller hub bearing structure for passenger car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310584111.0A CN116696937A (en) | 2023-05-23 | 2023-05-23 | Double-row angular contact ball one-row cylindrical roller hub bearing structure for passenger car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116696937A true CN116696937A (en) | 2023-09-05 |
Family
ID=87840178
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310584111.0A Pending CN116696937A (en) | 2023-05-23 | 2023-05-23 | Double-row angular contact ball one-row cylindrical roller hub bearing structure for passenger car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116696937A (en) |
-
2023
- 2023-05-23 CN CN202310584111.0A patent/CN116696937A/en active Pending
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