CN208281359U - A kind of automobile hub bearing - Google Patents
A kind of automobile hub bearing Download PDFInfo
- Publication number
- CN208281359U CN208281359U CN201820696582.5U CN201820696582U CN208281359U CN 208281359 U CN208281359 U CN 208281359U CN 201820696582 U CN201820696582 U CN 201820696582U CN 208281359 U CN208281359 U CN 208281359U
- Authority
- CN
- China
- Prior art keywords
- oil outlet
- cavity
- automobile hub
- hub bearing
- installation cavity
- 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.)
- Expired - Fee Related
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- Rolling Contact Bearings (AREA)
Abstract
The utility model discloses a kind of automobile hub bearings, including ring flange, the inner ring and outer ring being set on the ring flange, installation cavity is equipped between the inner ring and outer ring, roller is equipped in the installation cavity, lubricating cavity is also provided in the outer ring, lubricant is provided in the lubricating cavity, the lubricating cavity is provided with fuel feed hole and oil outlet, the oil outlet is connected to the installation cavity and is provided with adjusting component, and the component that adjusts includes the return unit for sealing the sealing element of oil outlet, for resetting the sealing element.The utility model passes through above-mentioned setting, when generating vibration or displacement between inner ring and outer ring, it will receive non-uniform pressure value on roller, the sealing element of pressure value larger part installation at this time can then be opened in time, add lubricant, it reduces and is worn caused by Bearing inner under pressure wobbler action, extending structure uses the time.
Description
Technical field
The utility model relates to field of automobile parts and components, in particular to a kind of automobile hub bearing.
Background technique
Hub bearing is one of important spare part of automobile, plays the role of transmitting torque and supports car body.Existing wheel
Hub bearing unit is in entrucking, first by hub bearing entrucking, cage is penetrated to the central bore of hub-bearing unit later, is used in combination
Hub-bearing unit and cage lock are integrated by hub nut.
A kind of bearing list is disclosed in the Chinese patent document " hub-bearing unit component " that notification number is CN2752529Y
First component is provided with seal ring assembly between wheel hub inner ring and outer ring, and wherein seal ring assembly includes inner frame and outer skeleton,
Rubber seal coil structures are provided between inner frame and outer skeleton simultaneously, realize the sealing effect to wheel hub Internal and external cycle.
But the seal ring assembly is during installation, and inner frame and outer skeleton are interference fitted in outer ring and inner ring respectively
On, then rubber seal is installed again, therefore in the case where being only merely interference fit, inner ring and outer ring is in high-speed rotation
When be easy to produce relative displacement, and then always have a side rotor can be caused squeeze effect, increase frictional force, accelerate bearing damage
Consumption, is unfavorable for the normal operation of bearing entirety.
Utility model content
The purpose of the utility model is to provide a kind of automobile hub bearings, and having reduces bearing wear, extend bearing and use
The effect in service life.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of automotive wheels hub axle
It holds, including ring flange, the inner ring and outer ring being set on the ring flange, is equipped with installation cavity between the inner ring and outer ring,
It is equipped with roller in the installation cavity, is also provided with lubricating cavity in the outer ring, lubricant is provided in the lubricating cavity, it is described
Lubricating cavity is provided with fuel feed hole and oil outlet, and the oil outlet is connected to the installation cavity and is provided with adjusting component, described
Adjusting component includes the return unit for sealing the sealing element of oil outlet, for resetting the sealing element.
By using above-mentioned technical proposal, when generating vibration or displacement between inner ring and outer ring, will receive on roller
The sealing element of non-uniform pressure value, at this time pressure value larger part installation can then be opened in time, add lubricant, and it is inclined to reduce pressure
It is worn caused by Bearing inner under heart effect, extending structure uses the time.
The utility model is further arranged to: the sealing element includes one and slides against in flexible on the roller
Bar, the telescopic rod and the oil outlet clearance fit, and fuel-displaced groove is additionally provided on the shaft of the telescopic rod, it is described fuel-displaced
Groove is greater than the wall thickness of the oil outlet along the size of shaft length direction.
By using above-mentioned technical proposal, the setting of fuel-displaced groove is not affected by pressure when telescopic rod end is connected on roller
When power, then the end of fuel-displaced groove will not with lubricating cavity inside be connected to, do not have outflow of lubrication oil at this time, when telescopic rod end by
When to pressure retraction, since fuel-displaced groove is greater than along the size of shaft length direction the wall thickness of oil outlet, fuel-displaced groove is then at this time
It can be connected to lubricating cavity and installation cavity, so that facilitating in lubricating cavity lubricating oil to flow in installation cavity provides lubrication for corresponding roller
Effect reduces the bad abrasion generated when pressure wobbler action.
The utility model is further arranged to: the part that the telescopic rod is in lubricating cavity is provided with sealing plate, the envelope
Plate is provided with rubber strip with the oil outlet place of abutting.
By using above-mentioned technical proposal, sealing strip, which is arranged, can effectively ensure that lubricating oil will not be just in lubricating cavity
It is leaked out in installation cavity under normal situation.
The utility model is further arranged to: the return unit is the bullet being fixed between sliding boom end and lubricating cavity
Spring.
By using above-mentioned technical proposal, when pressure is not eccentric, spring can be rapidly by telescopic rod to outside lubricating cavity
Portion pushes, so that oil outlet be sealed.
The utility model is further arranged to: the oil outlet is connected to outside.
By using above-mentioned technical proposal, oil outlet can be used for operator and periodically add lubricating oil.
The utility model is further arranged to: the upper and lower ends of the installation cavity are equipped with seal assembly, described close
Sealing assembly includes external seal strip and interior sealing strip.
By using above-mentioned technical proposal, be arranged seal assembly can in guarantee installation cavity as far as possible structure by the external world
Influence becomes smaller, and maintains stable operation.
The utility model is further arranged to: the roller is taper roller, and is equipped in the installation cavity
Under totally two row tapered roller.
The utility model is further arranged to: is additionally provided in the installation cavity for limiting consolidating for the taper roller
Determine frame.
By using above-mentioned technical proposal, being provided with two row tapered rollers can be more uniformly stressed, and be enabled to interior
It is more stable between circle and outer ring, and the setting of upper and lower two row tapered roller can also reduce stress bias as far as possible, eliminate not
Good influence.
In conclusion the utility model has the following beneficial effects: between inner ring and outer ring generate vibration or displacement when,
It will receive non-uniform pressure value on roller, the sealing element of pressure value larger part installation at this time can then be opened in time, addition profit
Lubrication prescription is reduced and is worn caused by Bearing inner under pressure wobbler action, and extending structure uses the time.
Detailed description of the invention
Fig. 1 is the diagrammatic cross-section of the present embodiment；
Fig. 2 is enlarged drawing at the A of Fig. 1；
Fig. 3 is the structural schematic diagram of external seal strip；
Fig. 4 is the structural schematic diagram of interior sealing strip.
In figure: 1, ring flange；2, inner ring；3, outer ring；4, installation cavity；5, fixed frame；6, roller；7, lubricating cavity；8, into
Oilhole；9, oil outlet；10, telescopic rod；11, fuel-displaced groove；12, sealing plate；13, rubber strip；14, spring；15, external seal strip；16
Interior sealing strip.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Specific embodiment is only the explanation to the utility model, is not limitations of the present invention, this field
Technical staff can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but only
It will be in the scope of the claims of the utility model all by the protection of Patent Law.
Embodiment: a kind of automobile hub bearing is equipped with inner ring 2 on ring flange 1 as shown in Figure 1, including ring flange 1, interior
Circle 2 is arranged with outer ring 3 outside inner ring 2 by being fixedly welded on ring flange 1, and installation is installed between inner ring 2 and outer ring 3
Cavity 4 is equipped with fixed frame 5 in installation cavity 4, and two row tapered rollers 6 up and down are equipped in fixed frame 5, thus outer ring 3 and interior
Rotation connection is realized by taper roller 6 between circle 2.
As illustrated in fig. 1 and 2, due to the connection relationship being rotatablely connected between inner ring 2 and outer ring 3 do not have it is sufficiently stable,
The deformation or displacement between inner ring 2 and outer ring 3 can often occur in bearing operation, therefore generate additional mill at this time to reduce
Damage, lubricating cavity 7 is also provided on outer ring 3, lubricating oil is installed in lubricating cavity 7, offered on lubricating cavity 7 oil outlet 9 and into
Oilhole 8, oil outlet 9 are connected to installation cavity 4 and are provided with according to whether being under pressure and changing the adjusting group of the opening and closing of oil outlet 9
Part, fuel feed hole 8 are connected to the outside of outer ring 3 for periodically adding lubricating oil.
As illustrated in fig. 1 and 2, adjusting component includes the telescopic rod 10 with 9 clearance fit of oil outlet, and the end of telescopic rod 10 is supported
It is connected on taper roller 6, fuel-displaced groove 11 is also provided on the shaft of telescopic rod 10, fuel-displaced groove 11 is along shaft length direction
Size is greater than the wall thickness of oil outlet 9, and when the end abutment of telescopic rod 10 is when on taper roller 6, fuel-displaced groove 11 and lubrication
Disconnected state is between chamber 7, as long as retraction is generated after 10 end of telescopic rod is by active force, at this time due to fuel-displaced groove
11 are greater than the wall thickness of oil outlet 9 along the size of shaft length direction, and fuel-displaced groove 11 can be connected to lubricating cavity 7 and installation cavity 4, from
And it realizes lubricating oil and enters in installation cavity 4 lubrication realized to taper roller 6.
As illustrated in fig. 1 and 2, meanwhile, the part that telescopic rod 10 is in lubricating cavity 7 is provided with sealing plate 12, sealing plate 12 with it is fuel-displaced
It is provided with rubber strip 13 at 9 abutting of hole, when not stressing on 10 end abutment taper roller 6 of telescopic rod, sealing plate 12 is connected to out
It is further sealed at oilhole 9 and by oil outlet 9, thus the case where further preventing lubricating oil to leak under normal circumstances.
As illustrated in fig. 1 and 2, and in order to which telescopic rod 10 and sealing plate 12 can be resetted in time, the end of telescopic rod 10 and profit
The spring 14 of compressive state is also connected between sliding chamber 7, when not stressing on telescopic rod 10, spring 14 can be in time by telescopic rod
10 are pushed into reseal oil outlet 9 outside oil outlet 9.
Further, as shown in Figures 3 and 4, the upper and lower ends of installation cavity 4 are equipped with seal assembly, and seal assembly includes
External seal strip 15 and interior sealing strip 16, to reduce what introduced contaminants generated the normal operation of taper roller 6 in installation cavity 4
Adverse effect.
Claims (8)
1. a kind of automobile hub bearing, including ring flange (1), the inner ring (2) being set on the ring flange (1) and outer ring (3),
Installation cavity (4) are equipped between the inner ring (2) and outer ring (3), are equipped with roller (6) in the installation cavity (4), feature exists
In: it is also provided with lubricating cavity (7) in the outer ring (3), is provided with lubricant in the lubricating cavity (7), the lubricating cavity (7) sets
It is equipped with fuel feed hole (8) and oil outlet (9), the oil outlet (9) is connected to the installation cavity (4) and is provided with adjusting component,
The component that adjusts includes the return unit for sealing the sealing element of oil outlet (9), for resetting the sealing element.
2. a kind of automobile hub bearing according to claim 1, it is characterised in that: the sealing element includes that a sliding is supported
The telescopic rod (10) being connected on the roller (6), the telescopic rod (10) and the oil outlet (9) clearance fit, and described stretch
It is additionally provided on the shaft of contracting bar (10) fuel-displaced groove (11), the fuel-displaced groove (11) is greater than institute along the size of shaft length direction
State the wall thickness of oil outlet (9).
3. a kind of automobile hub bearing according to claim 2, it is characterised in that: the telescopic rod (10) is in lubricating cavity
(7) part is provided with sealing plate (12), and the sealing plate (12) is provided with rubber strip (13) with oil outlet (9) place of abutting.
4. a kind of automobile hub bearing according to claim 3, it is characterised in that: the return unit is to be fixed on sliding bar
Spring (14) between end and lubricating cavity (7).
5. a kind of automobile hub bearing according to claim 1, it is characterised in that: the oil outlet (9) is connected to outside.
6. a kind of automobile hub bearing according to claim 1, it is characterised in that: up and down the two of the installation cavity (4)
End is equipped with seal assembly, and the seal assembly includes external seal strip (15) and interior sealing strip (16).
7. a kind of automobile hub bearing according to claim 6, it is characterised in that: the roller (6) is taper roller
(6), totally two row tapered rollers (6) and in the installation cavity (4) are installed up and down.
8. a kind of automobile hub bearing according to claim 7, it is characterised in that: be additionally provided in the installation cavity (4)
For limiting the fixed frame (5) of the taper roller (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696582.5U CN208281359U (en) | 2018-05-10 | 2018-05-10 | A kind of automobile hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820696582.5U CN208281359U (en) | 2018-05-10 | 2018-05-10 | A kind of automobile hub bearing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208281359U true CN208281359U (en) | 2018-12-25 |
Family
ID=64729711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820696582.5U Expired - Fee Related CN208281359U (en) | 2018-05-10 | 2018-05-10 | A kind of automobile hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208281359U (en) |
-
2018
- 2018-05-10 CN CN201820696582.5U patent/CN208281359U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181225 Termination date: 20200510 |