CN208634230U - A kind of novel hub bearing pre-tightening structure - Google Patents
A kind of novel hub bearing pre-tightening structure Download PDFInfo
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- CN208634230U CN208634230U CN201820947334.3U CN201820947334U CN208634230U CN 208634230 U CN208634230 U CN 208634230U CN 201820947334 U CN201820947334 U CN 201820947334U CN 208634230 U CN208634230 U CN 208634230U
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- spindle nose
- wheel hub
- hub
- roller bearing
- bearing assembly
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Abstract
A kind of novel hub bearing pre-tightening structure, it includes hub oil seal, oil sealing seat ring, the outer roller bearing assembly of roller bearing assembly, wheel hub, spindle nose, wheel hub and locking nut in wheel hub, it is characterized in that: it further includes waveform spacer, waveform spacer is cylinder ring, the middle part of cylinder ring is outer " convex " shape of an annular, and cylinder ring centre bore can be packed into spindle nose, and spindle nose is equipped with annular convex platform, one end face of waveform spacer is bonded with spindle nose annular convex platform, and the shaft end of spindle nose is provided with threading path.The utility model has the beneficial effects that improving the reliability of hub assembly, by using waveform spacer structure, guarantees to keep identical hub bearing pre-tightening force in axle assembly use process, promote the hub bearing service life；By increasing annular convex platform on spindle nose, for the axial limiting of waveform spacer, so as to shorten waveform spacer length, reduce cost.
Description
Technical field
The utility model belongs to automotive axle technical field, in particular to a kind of novel hub bearing pre-tightening structure.
Background technique
In domestic automobile vehicle bridge, after axle assembly runs a period of time, the pretightning force of hub bearing declines, and causes wheel side different
It rings, the Problem of Failure such as hub bearing service life reduction.
Summary of the invention
To solve the above problems, the purpose of the utility model is to provide a kind of now novel hub bearing pre-tightening structures.
The utility model adopts the following technical scheme that realization:
A kind of novel hub bearing pre-tightening structure, it includes hub oil seal 1, oil sealing seat ring 2, roller bearing assembly in wheel hub
3, the outer roller bearing assembly 7 of wheel hub 4, spindle nose 5, wheel hub and locking nut 8 take turns in the assembly of side roller bearing assembly 3 in wheel hub
Inner ring is packed into spindle nose 5, and end face is bonded with the end face of oil sealing seat ring 2, the outer ring of roller bearing assembly and the outer roller of wheel hub in wheel hub
The outer ring of bearing assembly is respectively pressed into the both ends circular hole of wheel hub 4, and hub oil seal 1 is packed into the circular hole of wheel hub 4, and wheel hub 4 is packed into spindle nose
5, the inner ring of the outer roller bearing assembly 7 of wheel hub is packed into spindle nose 5, and locking nut 8 is mounted on spindle nose 5, it is characterized in that: it further includes
Waveform spacer 6, waveform spacer 6 are packed on spindle nose 5, the inner ring of an end face of waveform spacer and the outer roller bearing assembly 7 of wheel hub
And the end face fitting of roller bearing；
The further spindle nose 5 is two cylinder-shaped bearing gauge structures, is rolled outside roller bearing assembly and wheel hub in wheel hub
Two tapered roller bearings of sub- bearing assembly are mounted on spindle nose 5, and spindle nose 5 is equipped with annular convex platform, an end face of waveform spacer
It is bonded with spindle nose annular convex platform, the shaft end of spindle nose is provided with threading path, and nut check is mounted on the threading path of spindle nose；
The further waveform spacer is cylinder ring, and centre bore can be packed into the diameter of axle and clearance fit of spindle nose, cylinder ring
Middle part be outer " convex " shape of annular, guarantee within the scope of certain axial compression displacement, axial direction elastic force having the same, cylinder ring
Both ends be plane, respectively with outside the end face of spindle nose annular convex platform, wheel hub roller bearing assembly 7 inner ring end face cooperate.
Compared with prior art the utility model has the beneficial effects that the reliability of hub assembly is improved, by using wave
Shape spacer structure guarantees to keep identical hub bearing pre-tightening force in axle assembly use process, promotes the hub bearing service life；
By increasing annular convex platform on spindle nose, for the axial limiting of waveform spacer, so as to shorten waveform spacer length, reduce
Cost.
Detailed description of the invention
Fig. 1 is the utility model diagram for taking turns side assembly structure.
Fig. 2 is the shaft head structure schematic diagram of the utility model.
Fig. 3 is the waveform spacer structure schematic diagram of the utility model.
In figure: 1. hub oil seals, 2. oil sealing rings, roller bearing assembly in 3. wheel hubs, 4, wheel hub, 5, spindle nose, 6. waveforms
Spacer, the outer roller bearing assembly of 7. wheel hubs, 8. locking nuts.
Specific embodiment:
The utility model will be further described below with reference to the accompanying drawings:
The present invention is further elaborated in conjunction with attached drawing.
As shown in Figure 1 to Figure 3, a kind of novel hub bearing pre-tightening structure, it includes hub oil seal 1, oil sealing seat ring 2, wheel
The outer roller bearing assembly 7 of roller bearing assembly 3, wheel hub 4, spindle nose 5, wheel hub and locking nut 8, take turns in the assembly of side in wheel hub in hub
The inner ring of roller bearing assembly 3 is packed into spindle nose 5, and end face is bonded with the end face of oil sealing seat ring 2, roller bearing assembly 3 in wheel hub
The outer ring of outer ring and the outer roller bearing assembly 7 of wheel hub is respectively pressed into the both ends circular hole of wheel hub 4, and hub oil seal 1 is packed into the circle of wheel hub 4
Hole, wheel hub 4 are packed into spindle nose 5, and the inner ring of the outer roller bearing assembly 7 of wheel hub is packed into spindle nose 5, and locking nut 8 is mounted on spindle nose 5,
It is characterized in that: it further includes waveform spacer 6, and waveform spacer 6 is packed on spindle nose 5, is rolled outside an end face of waveform spacer 6 and wheel hub
The inner ring of sub- bearing assembly 7 and the end face fitting of roller bearing；
The further spindle nose 5 is two cylinder-shaped bearing gauge structures, is rolled outside roller bearing assembly 3 and wheel hub in wheel hub
7 two tapered roller bearings of sub- bearing assembly are mounted on spindle nose 5, spindle nose 5 be equipped with annular convex platform 51, one of waveform spacer 6
End face is bonded with the annular convex platform 51 of spindle nose 5, and the shaft end of spindle nose 5 is provided with threading path, and locking nut 8 is mounted on the screw thread of spindle nose 5
On diameter；
The further waveform spacer 6 is cylinder ring, and centre bore can be packed into the diameter of axle and clearance fit of spindle nose 5, cylinder
The middle part of ring is outer " convex " shape 61 of an annular, is guaranteed within the scope of certain axial compression displacement, axial direction elastic force having the same, circle
The both ends of the band of column are plane, and the inner ring end face with roller bearing assembly 7 outside the end face of spindle nose annular convex platform 51, wheel hub is matched respectively
It closes.
Claims (3)
1. a kind of novel hub bearing pre-tightening structure, it includes hub oil seal (1), oil sealing seat ring (2), roller bearing is total in wheel hub
At (3), wheel hub (4), spindle nose (5), the outer roller bearing assembly (7) of wheel hub and locking nut (8), roller in wheel hub in wheel side assembly
The inner ring of bearing assembly (3) is packed into spindle nose (5), and end face is bonded with the end face of oil sealing seat ring (2), roller bearing assembly in wheel hub
(3) outer ring of the outer roller bearing assembly (7) of outer ring and wheel hub is respectively pressed into the both ends circular hole of wheel hub (4), hub oil seal (1) dress
Enter the circular hole of wheel hub (4), wheel hub (4) is packed into spindle nose (5), and the inner ring of the outer roller bearing assembly (7) of wheel hub is packed into spindle nose (5), lock
Tight nut (8) is mounted on spindle nose (5), it is characterized in that: it further includes waveform spacer (6), and waveform spacer (6) is packed into spindle nose (5)
On, an end face of waveform spacer (6) is bonded with the outer inner ring of roller bearing assembly (7) of wheel hub and the end face of roller bearing.
2. a kind of novel hub bearing pre-tightening structure according to claim 1, it is characterized in that: the spindle nose (5) is two
Cylinder-shaped bearing gauge structure, roller bearing assembly (3) and outer roller bearing (7) two tapered roller bearings of assembly of wheel hub in wheel hub
It is mounted on spindle nose (5), spindle nose (5) is equipped with annular convex platform (51), an end face of waveform spacer (6) and the annular of spindle nose (5)
Boss (51) fitting, the shaft end of spindle nose (5) are provided with threading path, and locking nut (8) is mounted on the threading path of spindle nose (5).
3. a kind of novel hub bearing pre-tightening structure according to claim 1, it is characterized in that: the waveform spacer (6) is
Cylinder ring, centre bore can be packed into the diameter of axle and clearance fit of spindle nose (5), and the middle part of cylinder ring is outer " convex " shape (61) of an annular,
The both ends of cylinder ring are plane, respectively with the inner ring end of the end face of spindle nose annular convex platform (51), the outer roller bearing assembly (7) of wheel hub
Face cooperation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947334.3U CN208634230U (en) | 2018-06-20 | 2018-06-20 | A kind of novel hub bearing pre-tightening structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820947334.3U CN208634230U (en) | 2018-06-20 | 2018-06-20 | A kind of novel hub bearing pre-tightening structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208634230U true CN208634230U (en) | 2019-03-22 |
Family
ID=65734437
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820947334.3U Active CN208634230U (en) | 2018-06-20 | 2018-06-20 | A kind of novel hub bearing pre-tightening structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208634230U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
-
2018
- 2018-06-20 CN CN201820947334.3U patent/CN208634230U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109973588A (en) * | 2019-04-18 | 2019-07-05 | 一汽解放汽车有限公司 | A kind of gear ring support and the integrated structure of hub bearing |
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