CN108116158A - Automobile hub bearing and automotive wheel and automobile - Google Patents
Automobile hub bearing and automotive wheel and automobile Download PDFInfo
- Publication number
- CN108116158A CN108116158A CN201611085184.1A CN201611085184A CN108116158A CN 108116158 A CN108116158 A CN 108116158A CN 201611085184 A CN201611085184 A CN 201611085184A CN 108116158 A CN108116158 A CN 108116158A
- Authority
- CN
- China
- Prior art keywords
- fillet
- inner ring
- hub bearing
- automobile
- automobile hub
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/001—Hubs with roller-bearings
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
- B60B27/00—Hubs
- B60B27/0047—Hubs characterised by functional integration of other elements
- B60B27/0052—Hubs characterised by functional integration of other elements the element being a brake disc
-
- 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
- B60B27/0084—Hubs characterised by the fixation of bearings caulking to fix inner race
Abstract
The present invention relates to a kind of automobile hub bearing and automotive wheels and automobile, the automobile hub bearing is at least one end of inner ring, the first fillet of evagination shape is formed in the inside edge of inner ring, it is connected on the first fillet, one side outside close to inner ring is also formed in inner concavity, and is penetrated through to the second fillet on inner ring end face.This automobile hub bearing, by setting the first fillet and the second fillet on its inner ring end face, can increase the automobile hub bearing inner ring end face and be plugged in its both ends ring flange and drive shaft between contact area, the problem of so as to improve inner ring end face stress concentration, can have preferable using effect.
Description
Technical field
The present invention relates to technical field of automobile parts, more particularly to a kind of automobile hub bearing.The invention further relates to one
Kind is equiped with the automotive wheel of the automobile hub bearing and the automobile with the automotive wheel.
Background technology
In the installation process of spindle assembly, first, hub bearing is pressed by forcing press in knuckle, then
Ring flange is pressed into bearing, and hub bearing inner ring end face is made to coordinate with flange side surface；Then by brake disc case, braking
Disk and caliper are mounted on knuckle successively.After the completion of knuckle assembly assembling, in the centre bore of drive shaft insertion ring flange,
Knuckle assembly is locked in drive shaft with locking nut again, the end face and hub bearing inner ring end face for making drive shaft coordinate.
Automobile hub bearing is generally mostly double-row angular contact bal bearing, inner ring and outer ring including nested arrangement and
Rolling element and retainer between inner ring and outer ring.Mistake, automotive hub are taken up for convenience of assembling and preventing left and right hub spindle
Bearing is regardless of obverse and reverse, and such structure causes the area of automobile hub bearing inner ring end face smaller, and automobile hub bearing
Inner ring end chamfer is single bull nose, single bull nose be easy to cause hub bearing inner ring end face and ring flange end contact area and with drive
Dynamic bearing end contact area is smaller, causes problem of stress concentration occur.
The content of the invention
In view of this, the present invention is directed to propose a kind of automobile hub bearing, to improve its inner ring end face, easily there are stress collection
The problem of middle.
In order to achieve the above objectives, the technical proposal of the invention is realized in this way：
A kind of automobile hub bearing, inner ring and outer ring including nested arrangement and arranged on the inner ring and the outer ring
Between rolling element, at least one end of the inner ring, the first circle of evagination shape is formed in the inside edge of the inner ring
Angle is connected on first fillet, close to the inner ring outside one side be also formed in inner concavity, and penetrate through to the inner ring
The second fillet on end face.
Further, first fillet and the second fillet are each formed at the both ends.
Further, the radius of first fillet is 3.5~5.5mm.
Further, the radius of second fillet is 3~5.5mm.
Further, along the radial direction of the inner ring, first fillet being connected and the second fillet both sides endpoint
Between vertical distance be 3.5~5mm.
Further, first fillet and the tangent arrangement of the second fillet.
Compared with the prior art, the present invention has the advantage that：
Automobile hub bearing of the present invention, can by setting the first fillet and the second fillet on its inner ring end face
While convenient for coordinating with ring flange and drive shaft inserting, increase the automobile hub bearing inner ring end face and be plugged in its both ends
Ring flange and drive shaft between contact area, the problem of so as to improve inner ring end face stress concentration, and then can extending shaft
The service life held.
Another object of the present invention is to propose a kind of automotive wheel, including wheel hub, on the wheel hub installing just like
The upper automobile hub bearing.
The automotive wheel of the present invention can extend the service life of wheel hub by setting automobile hub bearing as described above,
So as to improve the using effect of automotive wheel.
Meanwhile the invention also provides a kind of automobile, automotive wheel as described above is mounted on the automobile.
The automobile of the present invention has the advantage that identical with automotive wheel compared with the prior art, and details are not described herein.
Description of the drawings
The attached drawing for forming the part of the present invention is used for providing a further understanding of the present invention, schematic reality of the invention
Example and its explanation are applied for explaining the present invention, is not constituted improper limitations of the present invention.In the accompanying drawings：
Fig. 1 is the structure diagram of the automobile hub bearing described in the embodiment of the present invention one；
Fig. 2 is the enlarged drawing of I part in Fig. 1；
Fig. 3 is the structure diagram of the spindle assembly described in the embodiment of the present invention one；
Fig. 4 is the structure diagram of the ring flange described in the embodiment of the present invention one；
Fig. 5 is the structure diagram of the drive shaft described in the embodiment of the present invention one；
Fig. 6 is the structure diagram of the existing automobile hub bearing described in the embodiment of the present invention one；
Reference sign：
1- automobile hub bearings, 11- inner rings, 12- outer rings, 13- rolling elements, 14- retainers, the first fillets of 15-, 16-
Two fillets, 2- ring flanges, 21- flanged plates, 22- beads, the 3rd fillets of 23-, 3- drive shafts, 31- shaft parts, 32- fixed sections, 33-
4th fillet, 4- knuckles, 5- brake disc cases, 6- brake discs, 7- circlips, the 5th fillets of 81-.
Specific embodiment
It should be noted that in the case where there is no conflict, the feature in embodiment and embodiment in the present invention can phase
Mutually combination.
The present invention will be described in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The present invention relates to a kind of automobile hub bearing, inner ring and outer ring including nested arrangement and arranged on inner ring and
In at least one end of inner ring, the first fillet of evagination shape is formed in the inside edge of inner ring for rolling element between outer ring, and
The first fillet is connected on, be also formed in the one side close to outside inner ring in inner concavity and is penetrated through to second on inner ring end face
Fillet.
This automobile hub bearing, by setting the first fillet and the second fillet simultaneously on its inner ring end face, it is possible to increase should
Automobile hub bearing inner ring end face and be plugged in its both ends ring flange and drive shaft between contact area, so as in improving
The problem of enclosing end face stress concentration, can have preferable using effect.
Based on design as above thought, in a kind of example arrangement such as Fig. 1 and Fig. 2 of the automobile hub bearing of the present embodiment
It is shown, and in the present embodiment by automobile hub bearing 1 with being illustrated exemplified by the assembling of spindle assembly.Such as Fig. 1 and Fig. 2
Shown in, the automobile hub bearing 1 described in the present embodiment mainly includes the nested inner ring 11 set, outer ring 12 and is installed in
Retainer 14 and rolling element 13 between inner ring 11 and outer ring 12.At the both ends of inner ring 11, in the inside edge shape of inner ring 11
Into the first fillet 15 for having evagination shape, be connected on the first fillet 15, close to inner ring 11 outside one side be also formed in inner concavity,
And it penetrates through to the second fillet 16 on 11 end face of inner ring.In order to further improve the using effect of automobile hub bearing 1, first
15 and second fillet of fillet, 16 tangent arrangement.It should be noted that except being respectively provided in the both ends of the surface of inner ring 11 in the present embodiment
First fillet 15 and the second fillet 16 also only can set the first fillet 15 and the second fillet 16 in the one end of inner ring 11, but
This sets the using effect that can reduce this automobile hub bearing 1.
As shown in Figure 3, spindle assembly mainly includes knuckle 4, is pressed into the vapour in knuckle 4 via forcing press
Wheel hub bearing 1 and the opposite ring flange 2 being plugged in automobile hub bearing 1 and the drive shaft 3 being plugged in ring flange 2,
And ring flange 2 and drive shaft 3 are in contact with 11 end face of the inner ring of automobile hub bearing 1, in ring flange 2 and automobile hub bearing
Also pressed flexible baffle ring 7 between 1, which, which further includes, is set in the brake disc 6 of Bearing outer and brake disc 6
Case 5.The concrete structure and component connection relation of this spindle assembly can refer to the knot of knuckle assembly in the prior art
Structure.
Fig. 4 shows the structure of ring flange 2, the bead 22 being connected including flanged plate 21 and with flanged plate 21, in two
The junction of person is formed with the 3rd fillet 23, to reduce stress concentration.Fig. 5 then shows the structure of drive shaft 3, including mutually
Connected shaft part 31 and fixed section 32, in being formed with the 4th fillet 33 between the two, the 4th fillet 33, which also functions to, reduces stress collection
In effect.
Because the radius R3 value ranges of the 3rd fillet 23 on ring flange 2 are generally 2.5~3.5mm, to prevent automotive hub
The inner ring 11 of bearing 1 is interfered with the 3rd fillet 23 at 2 cooperation of ring flange, and the radius R1 of the first fillet 15 is more than R3, this implementation
The radius R1 of the first fillet 15 is specially 3.5~5.5mm in example, as it can be 5mm, meanwhile, R1 is alternatively ring flange 2 more than R3
Inserting in inner ring 11 provides guiding role, and is pressed into convenient for ring flange 2 in inner ring 11.In addition, to increase by 11 end face of inner ring
With the contact area of 2 end face of ring flange, along the radial direction of inner ring 11,16 both sides endpoint of the first fillet 15 being connected and the second fillet
Between vertical distance a be less than in the prior art automobile hub bearing inner ring 11 set single bull nose when distance, the present embodiment
In vertical distance a be specially 3.5~5mm, such as its concretely 3.6mm.At this point, the radius R2 of the second fillet 16 for 3~
5.5mm, such as its concretely 4mm.
Fig. 6 shows the structure of existing automobile hub bearing, also includes the nested inner ring 11 set and outer ring 12, inner ring
Also retainer 14 and rolling element 13 are equiped between 11 and outer ring 12, but this structure is provided only with single bull nose on inner ring 11, for just
Illustrate in description, hereinafter referred to as the single bull nose is the 5th fillet 81, and the vertical distance between 81 two-end-point of the 5th fillet is b.
The automobile hub bearing 1 described in the present embodiment is specifically described below by setting the first fillet 15 and the second fillet 16
Double rounded structures, and compared to the single bull nose structure only set in the prior art to reduce stress concentration caused by beneficial to effect
Fruit.Particularly, it is assumed that the axial force F that 3 locking nut of drive shaft generates is 50KN, and 1 diameter of bore of automobile hub bearing isIn inner ring 11, single bull nose and pair two kinds of fillet connecing to automobile hub bearing 1 and ring flange 2 respectively are set
Tactile stress is calculated.
(1) as shown in Figure 6, when using the existing automobile hub bearing when inner ring 11 only sets single bull nose：
When the radius R5 of the 5th fillet 81 is 5mm, the size of b is also 5mm, and 11 inner chamfer of automobile hub bearing inner ring
Locate diameter d3 as 52mm, diameter d4 is 60mm at 1 inner ring of automobile hub bearing, 11 outer chamfer；
Automobile hub bearing 1 is with 3 contact area S1 of drive shaft：
Contact stress P1 is：
Therefore, by calculating, P1=71MPa
(2) as shown in Figures 1 and 2, the automotive wheels described in using the present embodiment when inner ring 11 sets double fillet
When hub axle holds 1：
When the radius R1 of the first fillet 15 is 5mm, the radius R2 of the second fillet 16 is 4mm, the first fillet 15 and the second circle
When vertical distance a between 16 both sides endpoint of angle is 3.6mm, diameter d1 is at 1 inner ring of automobile hub bearing, 11 inner chamfer
49.2mm, diameter d2 is 60mm at 1 inner ring of automobile hub bearing, 11 outer chamfer；
Hub bearing is with 3 contact area S2 of drive shaft：
Contact stress P2 is：
By calculating, P2=54MPa
P1-P2=17MPa
It can be seen that in the case of identical axial force is generated in 3 locking nut of drive shaft, using described in the present embodiment
Automobile hub bearing 1 reduces 17MPa compared with existing automobile hub bearing, inner ring 11 and the contact stress of ring flange 2, together
Reason, inner ring 11 is also corresponding to the contact stress of drive shaft 3 to be reduced.
To prevent 1 inner ring 11 of automobile hub bearing, R3 is bigger with interfering at 23 cooperation of the 3rd fillet of 2 end face of ring flange,
It can correspond to and cause a bigger, so as to which inner ring 11 be caused to become smaller with 2 end contact area of ring flange, contact stress becomes larger.To be further
Verify advantageous effect possessed by the automobile hub bearing 1 described in the present embodiment, below when R3 is minimized 2.5mm exemplified by into
Row explanation.
Scheme one：Work as R3=2.5mm, R1=3.5mm, R2=5.5mm, during a=4mm, contact stress P3=57.9MPa；
Scheme two：Work as R3=2.5mm, R1=5.5mm, R2=3mm, during a=4.4mm, contact stress P4=62.5MPa；
Scheme three：Work as R3=2.5mm, R1=4mm, R2=4mm, during a=3mm, contact stress P5=49MPa.
Through comparing, P5 ＜ P2 ＜ P3 ＜ P4 ＜ P1.
P1-P5=22MPa；P1-P4=8.5MPa.
It can be seen that using double fillet inner rings 11 with the first fillet 15 and the second fillet 16 described in the present embodiment
Automobile hub bearing 1 can be effectively improved the problem of 11 stress concentration of inner ring.
Embodiment two
The present embodiment is related to a kind of automotive wheel, and including wheel hub, the vapour as described in embodiment one is equiped on wheel hub
Wheel hub bearing 1.This automotive wheel can extend the use of wheel hub by setting the automobile hub bearing 1 as described in embodiment one
Service life, so as to make this automotive wheel that there is preferable using effect.
Embodiment three
The present embodiment is related to a kind of automobile, and the automotive wheel as described in embodiment two, this automobile are mounted on the automobile
By installing the automotive wheel described in embodiment two, the service life of automotive wheel can be extended, so as to improve the whole of this automobile
Body quality.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
With within principle, any modifications, equivalent replacements and improvements are made should all be included in the protection scope of the present invention god.
Claims (8)
1. a kind of automobile hub bearing, inner ring (11) and outer ring (12) including nested arrangement and arranged on the inner ring (11)
Rolling element (13) between the outer ring (12), it is characterised in that：In at least one end of the inner ring (11), in the inner ring
(11) inside edge is formed with the first fillet (15) of evagination shape, is connected on first fillet (15), close to described
The one side of inner ring (11) outside is also formed in inner concavity, and is penetrated through to the second fillet (16) on the inner ring (11) end face.
2. automobile hub bearing according to claim 1, it is characterised in that：Described first is each formed at the both ends
Fillet (15) and the second fillet (16).
3. automobile hub bearing according to claim 1 or 2, it is characterised in that：The radius of first fillet (15) is
3.5~5.5mm.
4. automobile hub bearing according to claim 3, it is characterised in that：The radius of second fillet (16) for 3~
5.5mm。
5. automobile hub bearing according to claim 4, it is characterised in that：Along the radial direction of the inner ring (11), it is connected
First fillet (15) and second fillet (16) both sides endpoint between vertical distance be 3.5~5mm.
6. automobile hub bearing according to claim 1, it is characterised in that：First fillet (15) and second circle
Angle (16) tangent arrangement.
7. a kind of automotive wheel, including wheel hub, it is characterised in that：It is installed on the wheel hub any just like in claim 1 to 6
Automobile hub bearing described in.
8. a kind of automobile, it is characterised in that：The lorry loading has automotive wheel as claimed in claim 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611085184.1A CN108116158A (en) | 2016-11-30 | 2016-11-30 | Automobile hub bearing and automotive wheel and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611085184.1A CN108116158A (en) | 2016-11-30 | 2016-11-30 | Automobile hub bearing and automotive wheel and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108116158A true CN108116158A (en) | 2018-06-05 |
Family
ID=62226630
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611085184.1A Pending CN108116158A (en) | 2016-11-30 | 2016-11-30 | Automobile hub bearing and automotive wheel and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108116158A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1837630A (en) * | 2005-03-24 | 2006-09-27 | Skf公司 | Hub-bearing unit for the wheel of a motor vehicle |
| JP2010230081A (en) * | 2009-03-27 | 2010-10-14 | Ntn Corp | Bearing device for wheel |
| CN201696481U (en) * | 2010-03-26 | 2011-01-05 | 陈炳顺 | Double row angular contact drum-type roller bearing and bearing unit |
| US7866893B2 (en) * | 2004-12-02 | 2011-01-11 | Ntn Corporation | Bearing apparatus for a wheel of vehicle |
| CN101970150A (en) * | 2008-03-13 | 2011-02-09 | Ntn株式会社 | Method of manufacturing outer ring, outer ring for double row angular contact bearing, double row angular contact bearing, and bearing device for wheel |
| US20130283954A1 (en) * | 2012-04-27 | 2013-10-31 | Schaeffler Technologies AG & Co. KG | Inner raceway with axial extension |
-
2016
- 2016-11-30 CN CN201611085184.1A patent/CN108116158A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7866893B2 (en) * | 2004-12-02 | 2011-01-11 | Ntn Corporation | Bearing apparatus for a wheel of vehicle |
| CN1837630A (en) * | 2005-03-24 | 2006-09-27 | Skf公司 | Hub-bearing unit for the wheel of a motor vehicle |
| CN101970150A (en) * | 2008-03-13 | 2011-02-09 | Ntn株式会社 | Method of manufacturing outer ring, outer ring for double row angular contact bearing, double row angular contact bearing, and bearing device for wheel |
| JP2010230081A (en) * | 2009-03-27 | 2010-10-14 | Ntn Corp | Bearing device for wheel |
| CN201696481U (en) * | 2010-03-26 | 2011-01-05 | 陈炳顺 | Double row angular contact drum-type roller bearing and bearing unit |
| US20130283954A1 (en) * | 2012-04-27 | 2013-10-31 | Schaeffler Technologies AG & Co. KG | Inner raceway with axial extension |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180605 |