CN104500752A - Dust prevention component of automobile hub bearing - Google Patents
Dust prevention component of automobile hub bearing Download PDFInfo
- Publication number
- CN104500752A CN104500752A CN201410801262.8A CN201410801262A CN104500752A CN 104500752 A CN104500752 A CN 104500752A CN 201410801262 A CN201410801262 A CN 201410801262A CN 104500752 A CN104500752 A CN 104500752A
- Authority
- CN
- China
- Prior art keywords
- dust
- hub bearing
- automobile hub
- gear ring
- dust prevention
- 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.)
- Granted
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Classifications
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
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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
Abstract
The invention relates to a dust prevention component of an automobile hub bearing. The dust prevention component is arranged between an ABS gear ring and a steering knuckle, and comprises a mounting part matched with a driving shaft; the mounting part is cylindrical and flanges extending outwards are formed on the two sides of the mounting part in a surrounding manner; the flange on one end of the mounting part is a dust prevention part matched with the steering knuckle, while the flange on the other end is a positioning part fitted with the step surface of the driving shaft; the fit gap of the dust prevention part and the steering knuckle is not larger than 0.5mm. The dust prevention component of the automobile hub bearing is simple in structure and convenient to manufacture, and can be directly molded by pressing by use of a die; the dust prevention component is ingenious in design; the gap between the ABS gear ring and the steering knuckle is utilized thoroughly, and consequently, impurities such as dust can be prevented from going into the hub bearing and the risk of misreading of wheel speed data due to the accumulation of the dust on the ABS gear ring can be avoided; besides, a zinc coating is formed to prevent rusting and prolong the service life of the dust prevention component.
Description
Technical field
The present invention relates to automobile hub bearing sealing configuration, be specifically related to a kind of automobile hub bearing dust-proof member.
Background technique
Automobile hub bearing is arranged on automotive hub, and mainly play a part load-bearing and accurately guide for the rotation of wheel hub provides, it not only bears thrust load but also bear radial load, is Hyundai Motor very important component.After drive shaft assembly and break knuckle assemble, there is comparatively wide arc gap between the two, when automobile running, the impurity such as the dust that wheel splashes, mud can enter hub bearing, cause hub bearing heel and toe wear, greatly reduce its working life, especially the poor location of road conditions, more make hub bearing easily contaminated, therefore need to arrange dustproof construction between hub bearing and live axle.
Vehicle ABS antilock braking system (ABS) detects wheel by the signal of locking by the sensor be arranged on wheel, and it is made up of permanent magnet, magnetic pole, coil and ABS gear ring.When gear ring rotates in magnetic field, the gap between gear ring tooth top and electrode just with certain velocity variations, then makes the magnetic resistance in magnetic circuit change.Magnetic flux is consequently made to increase and decrease periodically, the induced voltage being proportional to magnetic flux speed of increasing and decrease is produced at the two ends of coil, and this ac voltage signal is flowed to electronic controller, controller receives wheel and will be reduced the oil pressure of this wheel brake cylinder by the signal instruction regulator of locking, to reach the object reducing braking moment.The dustproof construction used between hub bearing and live axle is at present specialized designs one dust-proof (as shown in Figure 5) on ABS gear ring mostly, though this structure can enter bearing by the impurity such as blocks dust, pile up in each inter-lobe clearance also easily making the impurity such as dust locate dust-proof of ABS gear ring.Because wheel speed sensors has higher requirement for the parameter such as tooth depth, transverse tooth thickness, the facewidth of ABS gear ring, when after the dust accretion on ABS gear ring, there is vehicle wheel speed sensor and read the risk that data misread.
Summary of the invention
The object of the present invention is to provide a kind of automobile hub bearing dust-proof member, this dust-proof member is arranged on automobile driving axle, not only can prevent the impurity such as dust from entering hub bearing, and can avoid because dust piles up on ABS gear ring and cause the risk that wheel speed data are misread.
A kind of automobile hub bearing dust-proof member of the present invention, is arranged between ABS gear ring and knuckle, comprises the assembly department coordinated with live axle, and assembly department is tubular and at its two ends all around there being outward extending flange; The flange of described assembly department one end is the dustproof part coordinated with described knuckle, and the flange of the other end is the positioning part of fitting with the step surface of described live axle; The matching gap of described dustproof part and described knuckle is not more than 0.5mm.
Adopt technique scheme, described dust-proof member is arranged on the axle journal of live axle by assembly department cooperation, and the step surface of positioning part and live axle fits to ensure the axial installation dimension precision of dust-proof member.And now ABS gear ring is owing to eliminating dust-proof, the dust entering ABS gear ring can flow in each inter-lobe clearance, avoids the impurity such as dust to pile up in ABS gear ring and causes wheel speed data to misread.Entered the impurity such as inner dust then to be stopped by dustproof part by inter-lobe clearance, radial clearance between the outer rim of dustproof part and knuckle is not more than 0.5mm, form the annular slot that a gap is very little, the amount of dust entering hub bearing can be greatly reduced, thus reach dust-proof effect.
Improve as one, the maximum diameter of described positioning part is less than the internal diameter of described ABS gear ring, avoids positioning part and ABS gear ring and interferes and accurately cannot locate in axis.
Improve as one, the opening at described assembly department two ends is equipped with fillet, and fillet has leading role, convenient installation.
Further, described assembly department leans on the radius of the fillet of one end, described positioning part to be greater than the radius of the processing fillet of the step surface of described live axle, so that positioning part can fit tightly with the step surface of live axle.
Improve as one, its surface is provided with spelter coating, can prevent corrosion.
Improve as one, the wall thickness of described dustproof part, positioning part, assembly department is all less than 1mm, and because the present invention is only for dust-proof, not bearing load or stress, arranges less wall thickness and just can meet user demand, be convenient to compressing simultaneously, can be cost-saving.
The present invention also provides a kind of automobile hub bearing dustproof construction, comprises above-mentioned automobile hub bearing dust-proof member.
In sum, structure of the present invention is simple, easy to make, shaping by mould direct pressing; Design ingenious, make full use of the space between ABS gear ring and knuckle, not only can prevent the impurity such as dust from entering hub bearing, and can avoid because dust piles up on ABS gear ring and cause the risk that wheel speed data are misread; Be provided with spelter coating, can corrosion be prevented, increase the service life.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of the automotive hub being equipped with dust-proof member of the present invention;
Fig. 3 is the partial enlarged view of ABS gear ring and cooperation place, positioning part in Fig. 2;
Fig. 4 is the structural representation not with the ABS gear ring of dust-proof;
Fig. 5 is the structural representation of the ABS gear ring of dust-proof of band.
In figure: 1-ABS gear ring; 2-inter-lobe clearance; 3-dust-proof; 4-dustproof part; 5-positioning part; 6-assembly department; 7-knuckle; 8-live axle; 9-hub bearing.
Embodiment
Below in conjunction with accompanying drawing, the invention will be further described.
A kind of automobile hub bearing dust-proof member as shown in Figure 1, this dust-proof member is the monolithic construction by specialized mould direct pressing, in order to prevent corrosion, is provided with spelter coating on the surface of this dust-proof member.As shown in Figure 2, this dust-proof member is arranged between ABS gear ring 1 and knuckle 7, comprises the assembly department 6 with live axle 8 interference fit, and assembly department 6 is in tubular and at its two ends all around there being outward extending flange; The flange of assembly department 6 one end is the dustproof part 4 coordinated with knuckle 7, dustproof part 4 is not more than 0.5mm with the matching gap of knuckle 7, the flange of the other end is the positioning part 5 of fitting with the step surface of live axle 8, the maximum diameter of positioning part 5 is less than the internal diameter of described ABS gear ring 1, and the matching gap of positioning part 5 and ABS gear ring 1 is greater than 1mm; The wall thickness of dustproof part 4, positioning part 5, assembly department 6 is all less than 1mm.The opening at assembly department 6 two ends is equipped with fillet, and assembly department 6 leans on the radius of the fillet of one end, positioning part 5 to be greater than the radius of the processing fillet of the step surface of live axle 8.
As shown in Figures 2 and 3, the present invention in use, is coordinated by assembly department 6 and is arranged on the axle journal of live axle 8, and positioning part 5 and the step surface of live axle 8 fit to ensure the axial installation dimension precision of this dust-proof member.And now adopting the ABS gear ring 1 not with dust-proof face 3 as shown in Figure 4, the dust entering ABS gear ring 1 can flow in each inter-lobe clearance 2, avoids the impurity such as dust and piles up in ABS gear ring 1 and cause wheel speed data to misread.Entered the impurity such as inner dust then to be stopped by dustproof part 4 by inter-lobe clearance 2, after live axle and knuckle assemble, radial clearance between the outer rim of dustproof part 4 and knuckle 7 is not more than 0.5mm, form the annular slot that a gap is very little, the amount of dust entering hub bearing 9 can be greatly reduced, thus reach dust-proof effect.
Fig. 5 is the ABS gear ring in the conventional dust-proof face 3 of band, this ABS gear ring namely obtain after removing dust-proof face 3 with the present invention with the use of ABS gear ring 1.
The present invention also provides a kind of automobile hub bearing dustproof construction, comprises above-mentioned automobile hub bearing dust-proof member.
Claims (7)
1. an automobile hub bearing dust-proof member, be arranged between ABS gear ring (1) and knuckle (7), it is characterized in that: comprise the assembly department (6) coordinated with live axle (8), assembly department (6) is in tubular and at its two ends all around there being outward extending flange; The flange of described assembly department (6) one end is the dustproof part (4) coordinated with described knuckle (7), and the flange of the other end is the positioning part (5) of fitting with the step surface of described live axle (8); Described dustproof part (4) is not more than 0.5mm with the matching gap of described knuckle (7).
2. automobile hub bearing dust-proof member according to claim 1, is characterized in that: the maximum diameter of described positioning part (5) is less than the internal diameter of described ABS gear ring (1).
3. automobile hub bearing dust-proof member according to claim 1, is characterized in that: the opening at described assembly department (6) two ends is equipped with fillet.
4. automobile hub bearing dust-proof member according to claim 3, is characterized in that: described assembly department (6) is greater than the radius of the processing fillet of the step surface of described live axle (8) by the radius of the fillet of described positioning part (5) one end.
5. automobile hub bearing dust-proof member according to claim 1, is characterized in that: its surface is provided with spelter coating.
6. automobile hub bearing dust-proof member according to claim 1, is characterized in that: the wall thickness of described dustproof part (4), positioning part (5), assembly department (6) is all less than 1mm.
7. an automobile hub bearing dustproof construction, comprises the automobile hub bearing dust-proof member as described in any one of claim 1 to 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801262.8A CN104500752B (en) | 2014-12-22 | 2014-12-22 | Dust prevention component of automobile hub bearing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410801262.8A CN104500752B (en) | 2014-12-22 | 2014-12-22 | Dust prevention component of automobile hub bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104500752A true CN104500752A (en) | 2015-04-08 |
| CN104500752B CN104500752B (en) | 2017-02-22 |
Family
ID=52942184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410801262.8A Active CN104500752B (en) | 2014-12-22 | 2014-12-22 | Dust prevention component of automobile hub bearing |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104500752B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980211A (en) * | 2018-07-23 | 2018-12-11 | 南京航空航天大学 | A kind of diamagnetic interference dust-proof member of hub bearing |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942466A (en) * | 1995-07-28 | 1997-02-14 | Suzuki Motor Corp | Oil seal structure on drive shaft |
| CN201059353Y (en) * | 2007-06-18 | 2008-05-14 | 奇瑞汽车有限公司 | Hub bearing dust-proof apparatus |
| CN201348041Y (en) * | 2008-12-22 | 2009-11-18 | 奇瑞汽车股份有限公司 | Wheel hub bearing dust-proof sealing device |
| CN201559480U (en) * | 2009-11-30 | 2010-08-25 | 北汽福田汽车股份有限公司 | Hub unit and steering knuckle assembly comprising hub unit |
| KR20120058823A (en) * | 2010-11-30 | 2012-06-08 | 현대위아 주식회사 | axle assembly for vehicle |
| CN203202221U (en) * | 2013-03-29 | 2013-09-18 | 长城汽车股份有限公司 | Knuckle sealing device |
-
2014
- 2014-12-22 CN CN201410801262.8A patent/CN104500752B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0942466A (en) * | 1995-07-28 | 1997-02-14 | Suzuki Motor Corp | Oil seal structure on drive shaft |
| CN201059353Y (en) * | 2007-06-18 | 2008-05-14 | 奇瑞汽车有限公司 | Hub bearing dust-proof apparatus |
| CN201348041Y (en) * | 2008-12-22 | 2009-11-18 | 奇瑞汽车股份有限公司 | Wheel hub bearing dust-proof sealing device |
| CN201559480U (en) * | 2009-11-30 | 2010-08-25 | 北汽福田汽车股份有限公司 | Hub unit and steering knuckle assembly comprising hub unit |
| KR20120058823A (en) * | 2010-11-30 | 2012-06-08 | 현대위아 주식회사 | axle assembly for vehicle |
| CN203202221U (en) * | 2013-03-29 | 2013-09-18 | 长城汽车股份有限公司 | Knuckle sealing device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108980211A (en) * | 2018-07-23 | 2018-12-11 | 南京航空航天大学 | A kind of diamagnetic interference dust-proof member of hub bearing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104500752B (en) | 2017-02-22 |
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