CN111120519A - Hub bearing unit - Google Patents
Hub bearing unit Download PDFInfo
- Publication number
- CN111120519A CN111120519A CN201911289145.7A CN201911289145A CN111120519A CN 111120519 A CN111120519 A CN 111120519A CN 201911289145 A CN201911289145 A CN 201911289145A CN 111120519 A CN111120519 A CN 111120519A
- Authority
- CN
- China
- Prior art keywords
- flange plate
- universal joint
- hub
- rolling body
- raceway
- 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
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/16—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts
- F16D3/20—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members
- F16D3/22—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts
- F16D3/223—Universal joints in which flexibility is produced by means of pivots or sliding or rolling connecting parts one coupling part entering a sleeve of the other coupling part and connected thereto by sliding or rolling members the rolling members being balls, rollers, or the like, guided in grooves or sockets in both coupling parts the rolling members being guided in grooves in both coupling parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0005—Hubs with ball bearings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0073—Hubs characterised by sealing means
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0078—Hubs characterised by the fixation of bearings
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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
- 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
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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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D3/00—Yielding couplings, i.e. with means permitting movement between the connected parts during the drive
- F16D3/84—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor
- F16D3/843—Shrouds, e.g. casings, covers; Sealing means specially adapted therefor enclosed covers
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Rolling Contact Bearings (AREA)
Abstract
The invention discloses a hub bearing unit, which relates to the field of hub bearings and mainly comprises a bearing inner ring, a hub outer ring, a flange plate and a driving shaft; the bearing inner ring is embedded in and installed on a flange plate, and the flange plate is provided with double rows of raceways for installing bearing rolling bodies; the driving shaft is connected and sealed with the inner side of the flange plate through an elastic sealing ring, and a star-shaped sleeve with a ball path is sleeved at the tail end of the driving shaft; the inner part of the flange plate is provided with a ball path of the universal joint rolling body, the ball path is matched with the ball path in the star-shaped sleeve to form a roller path for mounting the universal joint rolling body, and the universal joint retainer is covered outside the universal joint rolling body to fix the universal joint rolling body. According to the invention, the universal joint rolling body ball channel is processed in the flange plate, and the bell-shaped shell structure is integrated in the flange plate, so that the flange plate has the advantages of small axial size, small number of parts, high function integration level, light weight and simplicity and reasonability in installation; the constant velocity universal joint structure part in the hub bearing unit is arranged on the outer side, so that the structure is more compact; the stiffness of the drive is higher.
Description
Technical Field
The invention relates to the field of hub bearings, in particular to a hub bearing unit.
Background
Hub bearings are automobile parts that carry weight and provide precise guidance for the rotation of the hub. Constant velocity joints are devices that connect two shafts that have a varying angle or position between them and cause the two shafts to transmit power at the same angular velocity. In the prior art, the medium-speed universal joint structure part of the hub bearing unit is positioned at the inner side, and the design structure is not easy to produce and assemble, so that the bearing rolling body is difficult to mount in the production and assembly process of the hub bearing unit, and the production of the technical scheme is not easy to realize; and the driving end is far away from the wheel mounting end, and the driving rigidity is slightly lower.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a novel hub bearing unit which has the advantages of compact structure, high function integration level and convenience in installation.
The purpose of the invention is achieved by the following technical scheme: the wheel hub bearing unit mainly comprises a bearing inner ring, a wheel hub outer ring, a flange plate and a driving shaft; the flange plate is movably sleeved with a hub outer ring, a bearing inner ring which is in clamping groove type limiting nesting with the flange plate is arranged between the hub outer ring and the flange plate, an outer side raceway is arranged between the shaft neck root of the flange plate and the hub outer ring, and the outer side raceway and an inner side raceway arranged between the bearing inner ring and the hub outer ring form a double-row raceway for mounting bearing rolling bodies; the driving shaft is connected and sealed with the inner side of the flange plate through an elastic sealing ring, and a star-shaped sleeve with a ball path is sleeved at the tail end of the driving shaft; the inner part of the flange plate is provided with a ball path of the universal joint rolling body, the ball path is matched with the ball path in the star-shaped sleeve to form a roller path for mounting the universal joint rolling body, and the universal joint retainer is covered outside the universal joint rolling body to fix the universal joint rolling body; the tail end of the flange plate is provided with a sealing cover.
As a further technical scheme, a ball path of a universal joint rolling body arranged in the flange plate is positioned on the outer side of the flange plate, namely on the side close to the wheel mounting surface.
The invention has the beneficial effects that: according to the invention, the universal joint rolling body ball channel is processed in the flange plate, and the bell-shaped shell structure is integrated in the flange plate, so that the flange plate has the advantages of small axial size, small number of parts, high function integration level, light weight and simplicity and reasonability in installation; the constant velocity universal joint structure part in the hub bearing unit is arranged on the outer side, so that the structure is more compact, and the installation is more convenient and reasonable; in addition, the two sides of the hub unit are sealed by sealing covers and elastic sealing rings, so that dust, muddy water and lubricating grease can be prevented from entering and overflowing; the cross section of the roller path of the outer shell is close to the wheel mounting surface, so that the driving rigidity is higher; the bearing structure is reasonably designed, and the structure is more compact by pressing in the small inner ring, curling and the like.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a bearing inner ring 1, a hub outer ring 2, a bearing rolling body 3, a flange plate 4, a universal joint rolling body 5, a universal joint retainer 6, a star-shaped sleeve 7, a sealing cover 8, an elastic sealing ring 9 and a driving shaft 10.
Detailed Description
The invention will be described in detail below with reference to the following drawings:
example (b): as shown in the attached drawings, the hub bearing unit mainly comprises a bearing inner ring 1, a hub outer ring 2, a flange plate 4 and a driving shaft 10; a hub outer ring 2 is movably sleeved on the flange plate 4, a bearing inner ring 1 which is in clamping groove type limiting nesting with the flange plate 4 is arranged between the hub outer ring 2 and the flange plate 4, an outer side raceway is arranged between the shaft neck root of the flange plate 4 and the hub outer ring 2, and the outer side raceway and an inner side raceway arranged between the bearing inner ring 1 and the hub outer ring 2 form a double-row raceway for mounting a bearing rolling element 3; the driving shaft 10 is connected and sealed with the inner side of the flange plate 4 through an elastic sealing ring 9, and a star-shaped sleeve 7 with a ball path is sleeved at the tail end of the driving shaft 10; a universal joint rolling body raceway is formed in the flange plate 4 and is matched with the raceway in the star-shaped sleeve 7 to form a raceway for mounting the universal joint rolling body 5, and a universal joint retainer 6 is covered outside the universal joint rolling body 5 to fix the universal joint rolling body 5; a sealing cover 8 is arranged at the tail end of the flange plate 4; the section of a ball path of a universal joint rolling body arranged in the flange plate 4 is close to the wheel mounting surface, so that the driving rigidity is effectively improved.
As the preferred technical scheme, constitute the constant velocity cardan joint structure by ring flange 4, cardan joint rolling element 5, cardan joint holder 6, star cover 7 and drive shaft 10, ring flange 4 has integrated the function of constant velocity cardan joint bell housing simultaneously, makes the constant velocity cardan joint structure can rotate along the inside raceway of ring flange 4, and the constant velocity cardan joint structure part sets up in the outside of ring flange 4, makes the structure compacter, and the installation is more convenient reasonable.
As the preferred technical scheme, the sealing covers 8 and the elastic sealing rings 9 are adopted to seal the two sides of the hub unit, so that the dust, muddy water and lubricating grease can be prevented from entering the hub unit and overflowing.
The working principle of the invention is as follows: an inner raceway arranged between the bearing inner ring 1 and the hub outer ring 2 and an outer raceway arranged between the root of a shaft neck of the flange plate 4 and the hub outer ring 2 form a double-row raceway of a hub bearing unit to form a double-row raceway rolling bearing; the outer side of the hub bearing unit is also provided with a constant velocity universal joint structure, the flange plate 4 with the roller path is used for bearing the function of a constant velocity universal joint bell housing, the constant velocity universal joint structure can rotate along the roller path when in use, and the power of an engine is transmitted to a driving wheel from a speed changer so as to drive the automobile to run at high speed.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (2)
1. A hub bearing unit characterized in that: the hub mainly comprises a bearing inner ring (1), a hub outer ring (2), a flange plate (4) and a driving shaft (10); the flange plate (4) is movably sleeved with a hub outer ring (2), a bearing inner ring (1) which is in clamping groove type limiting nesting with the flange plate (4) is arranged between the hub outer ring (2) and the flange plate (4), an outer side raceway is arranged between the shaft neck root of the flange plate (4) and the hub outer ring (2), and the outer side raceway and the inner side raceway arranged between the bearing inner ring (1) and the hub outer ring (2) form a double-row raceway for mounting a bearing rolling element (3); the driving shaft (10) is connected and sealed with the inner side of the flange plate (4) through an elastic sealing ring (9), and a star-shaped sleeve (7) with a ball path is sleeved at the tail end of the driving shaft (10); a universal joint rolling body raceway is formed in the flange plate (4) and is matched with the raceway in the star-shaped sleeve (7) to form a raceway for mounting the universal joint rolling body (5), and a universal joint retainer (6) is covered outside the universal joint rolling body (5) to fix the universal joint rolling body; the tail end of the flange plate (4) is provided with a sealing cover (8).
2. The hub bearing unit of claim 1, wherein: and the ball path of the universal joint rolling body arranged in the flange plate (4) is positioned on the outer side of the flange plate (4), namely on the side close to the wheel mounting surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289145.7A CN111120519A (en) | 2019-12-13 | 2019-12-13 | Hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911289145.7A CN111120519A (en) | 2019-12-13 | 2019-12-13 | Hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111120519A true CN111120519A (en) | 2020-05-08 |
Family
ID=70498887
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911289145.7A Pending CN111120519A (en) | 2019-12-13 | 2019-12-13 | Hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111120519A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609045A (en) * | 2020-05-22 | 2020-09-01 | 浙江万向精工有限公司 | Intelligent highly integrated drive hub unit assembly |
| CN112664565A (en) * | 2020-12-24 | 2021-04-16 | 浙江万向精工有限公司 | Hub bearing unit for laser material increase and processing method |
-
2019
- 2019-12-13 CN CN201911289145.7A patent/CN111120519A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111609045A (en) * | 2020-05-22 | 2020-09-01 | 浙江万向精工有限公司 | Intelligent highly integrated drive hub unit assembly |
| CN111609045B (en) * | 2020-05-22 | 2024-04-19 | 浙江万向精工有限公司 | Intelligent highly integrated driving hub unit assembly |
| CN112664565A (en) * | 2020-12-24 | 2021-04-16 | 浙江万向精工有限公司 | Hub bearing unit for laser material increase and processing method |
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| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination |