CN102425598B - Heavy-load long-life hub bearing unit - Google Patents
Heavy-load long-life hub bearing unit Download PDFInfo
- Publication number
- CN102425598B CN102425598B CN 201110352634 CN201110352634A CN102425598B CN 102425598 B CN102425598 B CN 102425598B CN 201110352634 CN201110352634 CN 201110352634 CN 201110352634 A CN201110352634 A CN 201110352634A CN 102425598 B CN102425598 B CN 102425598B
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- China
- Prior art keywords
- inside race
- steel ball
- cylindrical
- circle
- inner flange
- 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.)
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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
- F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
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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
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/18—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls
- F16C19/181—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with two or more rows of balls with angular contact
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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
- F16C2326/00—Articles relating to transporting
- F16C2326/01—Parts of vehicles in general
- F16C2326/02—Wheel hubs or castors
Abstract
The invention discloses a heavy-load long-life hub bearing unit, characterized in that: the left end of an inner flange plate is provided with a raised curled edge, the outer circle of the inner flange plate is provided with a groove and a step, the inner circle of a first inside race is nested in the groove of the outer circle of the left end of the inner flange plate; the outer circle of the first inside race nested in the groove of the outer circle of the left end of the inner flange plate has an inner circle surface corresponding to the inner circle of an outer flange plate, and the inner circle surface is provided with a first steel ball raceway; the outer circle of the inner flange plate at the left side of the first inner race is sleeved with a second inner race and a third race; the outer circle of the third race has an inner circle surface corresponding to the inner circle of the outer flange plate, and the inner circle surface is provided with a second steel ball raceway; the outer circle of the right end of the inner flange plate has an inner circle surface corresponding to the inner circle of the right end of the outer flange plate, and the inner circle surface is provided with a third steel ball raceway; and retainers and steel balls are arranged in the raceway.
Description
Technical field
The present invention relates to a kind of automobile hub bearing, specifically a kind of big load long lifetime hub-bearing unit.
Background technique
The automobile hub bearing of existing various structures, outward appearance and structure are similar, generally all are made up of inside and outside flange plate lasso, little inner ring, row or two row rolling elements (steel ball or roller) and retainer, rubber seal and wheel speed sensors.Though pay attention to considering bearing capacity, sealing, the intensity of flange arrangement and the rigidity of parts thereof of hub-bearing unit.But because existing hub-bearing unit structure exists design unreasonable, when automobile carries big load high speed operation, cause potential safety hazard for going of automobile, existing hub-bearing unit can not satisfy the needs of automobile industry development.
Summary of the invention
The present invention is directed to the deficiency of existing hub-bearing unit structural design, a kind of big load long lifetime hub-bearing unit is provided.Through first inside race is installed, is set up second inside race (positioning ring) and the 3rd inside race (be fitted together by A inside race and B inside race and form the 3rd inside race) on the inner flange cylindrical; In the steel ball rolling channel of on the periphery of first inside race and the 3rd inside race and outward flange dish inner headed face, establishing, retainer and steel ball are installed respectively; Retainer and steel ball are installed in the steel ball rolling channel of on inner flange right-hand member cylindrical and the corresponding inner headed face of outward flange dish, establishing; The present invention changes and has optimized the structure of hub, has strengthened the stiffness and the anti-metal fatigue intensity of rolling surface of contact of rolling bearing, has improved the ability of bearing big load and hub-bearing unit working life.
Technological scheme of the present invention is: a kind of big load long lifetime hub-bearing unit comprises outward flange dish, inner flange, first inside race, second inside race, the 3rd inside race, steel ball, retainer, rubber seal, magnetic dust cover.Be provided with protruding crimping in the inner flange left part, on the cylindrical of inner flange, be provided with groove and step, the interior circle of first inside race is sleeved in the groove on the inner flange left end cylindrical; Periphery and the corresponding disc of outward flange dish inner headed face that suit is fastened on first inside race in the outer round recessed of inner flange left end are provided with first steel ball rolling channel; On the inner flange cylindrical on the first inside race right side, be set with and be fastened with second inside race (positioning ring) and the 3rd inside race; The corresponding disc of circle is provided with second steel ball rolling channel in the 3rd inside race cylindrical and the outward flange dish, establishes the 3rd steel ball rolling channel between inner flange right-hand member cylindrical and the corresponding disc of outward flange dish right-hand member inside and outside circle, and retainer and steel ball are contained in the raceway respectively.
Described the 3rd inside race is fitted together by A inside race and B inside race and forms the 3rd inside race, is located by the step on second inside race and the inner flange; A inside race and B inside race are rectangular or square, and the cylindrical of A inside race and B inside race joint is provided with steel ball rolling channel.
Described steel ball rolling channel, steel ball and retainer: be respectively equipped with first retainer, second retainer and the 3rd retainer in first steel ball rolling channel, second steel ball rolling channel and the 3rd steel ball rolling channel, first steel ball, second steel ball and the 3rd steel ball are contained in respectively in first retainer, second retainer and the 3rd retainer; First inside race and outward flange are faced left and are provided with first rubber seal and magnetic dust cover between end cylindrical and the interior circle; Between the cylindrical of inner flange and outward flange dish right-hand member and interior circle, be provided with second rubber seal.
A kind of big load long lifetime hub-bearing unit of the present invention is equipped with knurled nut in the circular hole on the inner flange, and the outward flange dish is provided with bolt hole.
The invention has the beneficial effects as follows:
1, improved bearing load carrying capacity and hold hub working life;
2, reduce brake disc wear, reduced noise and vibratility;
3, reduce brake-pedal travel, improved vehicle safety performance;
4, prevent vehicle shift, increased the flexibility of usefulness;
Description of drawings
Below in conjunction with accompanying drawing and embodiment the present invention is further described
Fig. 1 is a structural profile schematic representation of the present invention.
1. outward flange dishes in the drawings, 2, inner flange, 3, first steel ball, 4, second steel ball; 5, the 3rd steel ball, 6, first retainer, 7, second retainer, the 8, the 3rd retainer, 9, first inner ring; 10, second inside race (positioning ring), the 11, the 3rd inner ring, 12, the magnetic dust cover, 13, first rubber seal; 14, second rubber seal, 15, knurled nut, 16, spline, 17, the assembling cylindrical.
Embodiment
In the embodiment in figure 1, inner flange 2 is provided with center hole, and the center-hole diameter of inner flange 2 is 32.-33mm, is provided with the spline 16 of 27 teeth in inner flange 2 center holes, and the spline tooth depth is 4-6mm; Inner flange 2 left end heads are provided with protruding crimping, on the cylindrical of inner flange 2, are provided with groove and step, and spline left side and inner flange 2 right sides distance are 25-26mm; Inner flange 2 height (length) degree is 95-97mm, outward flange dish 1 height (length) degree 56mm; Outside diameter is that 63mm, internal diameter are that 45.6mm and width are being sleeved in the groove on the inner flange 2 left end cylindricals of first inside race 9 of 19mm; The groove that crimping that inner flange 2 left ends are protruding and first step form is positioned at first inside race 9 in the groove, and the corresponding inner headed face of circle is provided with first steel ball rolling channel in the cylindrical of first inside race 9 and the outward flange dish 1.Be respectively installed with second inside race 10 and the 3rd inside race 11 on the cylindrical of the inner flange 2 in first inside race, 9 left sides; The outside diameter of second inside race 10 is made as 57-58mm, the interior circular diameter of second inside race is made as 51-52mm, and the second inside race width is 3.2-3.5mm; The outside diameter of the 3rd inside race 11 is made as 60mm, the 3rd inside race 11 interior circular diameters are made as 51.7mm, and the 3rd inside race width is 12-13mm.The 3rd inside race 11 is by the step location of second inside race 10 and the 3rd inside race 11 left ends; The corresponding disc of circle is provided with second steel ball rolling channel in the 3rd inside race 10 cylindricals and the outward flange dish; Inner flange 2 peripheries and outward flange dish 1 right-hand member inner headed face are provided with the 3rd steel ball rolling channel, and retainer and steel ball are contained in the raceway.
Be fitted together by A inside race and B inside race and form the 3rd inside race, A inside race and B inside race are rectangular or square, and the cylindrical of A inside race and B inside race joint is provided with steel ball rolling channel.
In first steel ball rolling channel, second steel ball rolling channel and the 3rd steel ball rolling channel, be respectively equipped with first retainer 6, second retainer 7 and the 3rd retainer 8; Diameter is that first steel ball 3 and the 3rd steel ball 5 of 10.3187mm is contained in respectively in first retainer 6 and the 3rd retainer 8; Diameter is that second steel ball 4 of 7.14mm is contained in second retainer 7; Be provided with first rubber seal 13 and magnetic dust cover 12 between first inside race 9 and outward flange dish 1 left end cylindrical and the interior circle; Between the cylindrical of inner flange 2 and outward flange dish 1 right-hand member and interior circle, be provided with second rubber seal 14.
Outward flange dish 1 left end outside diameter is made as 83-84mm, and circular diameter is made as 75-75.5mm in outward flange dish 1 left end, and the diameter of the assembling cylindrical 17 of outward flange dish 1 is made as 91-92mm; Disk (convex edge) outside diameter on inner flange 2 right sides is 144-145mm, and disk (convex edge) thickness on inner flange 2 right sides is 9mm, and knurled nut 15 is housed on the inner flange 2; The right side of inner flange 2 is provided with the metal cirque that is connected as a single entity, and the outside diameter of metal cirque is 70-71mm, and the interior circular diameter of metal cirque is 59-60mm, and the height of metal cirque is 20-21mm.Outward flange dish 1 is provided with the hole.Required retainer, rubber seal and magnetic dust cover are directly bought by market.
Claims (1)
1. one kind big load long lifetime hub-bearing unit comprises outward flange dish, inner flange, first inside race, second inside race, the 3rd inside race, steel ball, retainer, rubber seal, magnetic dust cover; It is characterized in that: be provided with protruding crimping in the inner flange left part; On the cylindrical of inner flange, be provided with groove and step; First inside race is sleeved in the groove on the inner flange left end cylindrical; The periphery of first inside race and the corresponding disc of outward flange dish inner headed face are provided with first steel ball rolling channel, on the inner flange cylindrical on the first inside race right side, are set with and are fastened with second inside race; Be fitted together the 3rd inside race joint of forming by A inside race and B inside race and be provided with steel ball rolling channel; The 3rd inside race is by the step location of second inside race and the 3rd inside race left end; The 3rd inside race outside diameter is that 60mm, interior circular diameter are 51.7mm; Ring width is 12-13 mm, and the corresponding disc of circle is provided with second steel ball rolling channel in the 3rd inside race cylindrical and the outward flange dish; Establish the 3rd steel ball rolling channel between inner flange right-hand member cylindrical and the corresponding disc of outward flange dish right-hand member inside and outside circle, the retainer that steel ball is housed is contained in the raceway respectively; First inside race and outward flange are faced left and are provided with first rubber seal and magnetic dust cover between end cylindrical and the interior circle; Between the cylindrical of inner flange and outward flange dish right-hand member and interior circle, be provided with second rubber seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110352634 CN102425598B (en) | 2011-11-06 | 2011-11-06 | Heavy-load long-life hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201110352634 CN102425598B (en) | 2011-11-06 | 2011-11-06 | Heavy-load long-life hub bearing unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102425598A CN102425598A (en) | 2012-04-25 |
| CN102425598B true CN102425598B (en) | 2012-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201110352634 Active CN102425598B (en) | 2011-11-06 | 2011-11-06 | Heavy-load long-life hub bearing unit |
Country Status (1)
| Country | Link |
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| CN (1) | CN102425598B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115076228A (en) * | 2022-08-23 | 2022-09-20 | 江苏比傲汽车科技有限公司 | Wheel hub bearing for automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201255186Y (en) * | 2008-10-06 | 2009-06-10 | 湖北新火炬科技股份有限公司 | Novel sedan car hub bearing unit |
| CN201268193Y (en) * | 2008-09-11 | 2009-07-08 | 湖北新火炬科技股份有限公司 | Heavy-load ball hub bearing unit |
| CN101500737A (en) * | 2006-06-26 | 2009-08-05 | 格雷瓜尔·佩涅 | Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing |
| CN201330799Y (en) * | 2008-11-30 | 2009-10-21 | 湖北新火炬科技股份有限公司 | Hub assembly with multi-lip and multi-chamber seal structure |
| CN201671962U (en) * | 2010-05-18 | 2010-12-15 | 浙江万向精工有限公司 | Curling hub bearing unit |
| CN201763806U (en) * | 2010-10-01 | 2011-03-16 | 海宁奥通汽车零件有限公司 | Wheel hub unit having three rows of angular-contact ball bearings |
| CN202301440U (en) * | 2011-11-06 | 2012-07-04 | 湖北新火炬科技股份有限公司 | Big-load long-service life hub bearing unit |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3887349B2 (en) * | 2003-05-21 | 2007-02-28 | 本田技研工業株式会社 | Wheel support hub unit |
-
2011
- 2011-11-06 CN CN 201110352634 patent/CN102425598B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101500737A (en) * | 2006-06-26 | 2009-08-05 | 格雷瓜尔·佩涅 | Ring-rolling bearing with axial displacement and shaping tooling equipped with such a bearing |
| CN201268193Y (en) * | 2008-09-11 | 2009-07-08 | 湖北新火炬科技股份有限公司 | Heavy-load ball hub bearing unit |
| CN201255186Y (en) * | 2008-10-06 | 2009-06-10 | 湖北新火炬科技股份有限公司 | Novel sedan car hub bearing unit |
| CN201330799Y (en) * | 2008-11-30 | 2009-10-21 | 湖北新火炬科技股份有限公司 | Hub assembly with multi-lip and multi-chamber seal structure |
| CN201671962U (en) * | 2010-05-18 | 2010-12-15 | 浙江万向精工有限公司 | Curling hub bearing unit |
| CN201763806U (en) * | 2010-10-01 | 2011-03-16 | 海宁奥通汽车零件有限公司 | Wheel hub unit having three rows of angular-contact ball bearings |
| CN202301440U (en) * | 2011-11-06 | 2012-07-04 | 湖北新火炬科技股份有限公司 | Big-load long-service life hub bearing unit |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102425598A (en) | 2012-04-25 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: HUBEI NEW TORCH TECHNOLOGY CO., LTD. Free format text: FORMER NAME: HUBEI NEW TORCH SCIENCE + TECHNOLOGY CO., LTD. |
|
| CP01 | Change in the name or title of a patent holder |
Address after: 441004, Xinguang Road, automobile industrial park, Xiangyang hi tech Industrial Development Zone, Hubei 7, China Patentee after: The new torch Science and Technology Ltd. in Hubei Address before: 441004, Xinguang Road, automobile industrial park, Xiangyang hi tech Industrial Development Zone, Hubei 7, China Patentee before: Hubei New Torch Science & Technology Co., Ltd. |