CN200989375Y - Shaft riveting technique vehicle hub bearing unit - Google Patents
Shaft riveting technique vehicle hub bearing unit Download PDFInfo
- Publication number
- CN200989375Y CN200989375Y CNU2006200622208U CN200620062220U CN200989375Y CN 200989375 Y CN200989375 Y CN 200989375Y CN U2006200622208 U CNU2006200622208 U CN U2006200622208U CN 200620062220 U CN200620062220 U CN 200620062220U CN 200989375 Y CN200989375 Y CN 200989375Y
- Authority
- CN
- China
- Prior art keywords
- ring
- inner ring
- lip
- seal
- flange plate
- 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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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
- 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
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- Rolling Contact Bearings (AREA)
Abstract
The utility model relates to an automobile wheel hub bearing unit, to a new shaft-riveting technology. A structure of two columns of angular contact ball bearings is used and composed of an outer flange ring, a flange wheel hub, and inner rings, rolling bodies, a holding device and a seal ring. The rolling bodies are arranged in two columns. The outer ring is provided with two columns of channels. Two inner rings are respectively provided with a column of channel. Two columns of rolling bodies are positioned in the two columns of channels. The outer flange ring inside is provided with a channel of two parallel grooves. The sectional contact surface of the outer flange ring is a cambered surface matched with the rolling bodies. The rolling body underside is provided with two haft inner rings in the channel of inner ring adapted to the rolling bodies. The line of action between the rolling bodies and the channel is provided with a 31-degree to 41-degree contact angle between the direction of the normal line at the contact point and the channel plane. The utility model enhances the service life of the product, simplifies the installment procedure, lightens the total weight of the components and attains the goal of energy conversation.
Description
[technical field]
The utility model relates to the automobile hub bearing of a kind of tape spool to pre-pressing structure, especially relates to a kind of new profile shaft riveted technology automobile hub-bearing unit of improvement.
[background technique]
At present, known third generation automobile hub unit is the end of bearing fixing at axle with locking nut.The shortcoming of this structure is: when cooperating assembling with axle, need nut check inner ring end face, and will take effective locking measure, the working gap of bearing and pretension load are subjected to all multifactor impacts in the using process, and product reliability is low.
[model utility content]
In order to overcome the above-mentioned shortcoming of prior art, the utility model provides a kind of new profile shaft riveted technology automobile hub-bearing unit of improvement.
The technological scheme that its technical problem that solves the utility model adopts is: a kind of new profile shaft riveted technology automobile hub-bearing unit, adopt the double-row angular contact bal bearing structure, comprise the wheel flange plate outer ring, the flange plate wheel hub, inner ring, rolling element, retainer and seal ring, has the biserial rolling element, there is the biserial raceway groove outer ring, two inner rings have a row raceway groove, the biserial rolling element is arranged in the biserial raceway groove, the inboard of described flange plate outer ring is provided with parallel two ditch raceway grooves side by side, the surface of contact in its cross section is the arc surface that rolling element matches, and is provided with the two halves inner ring of the bear inner ring grooved railway that adapts with rolling element below rolling element; Between outer ring raceway and bear inner ring grooved railway, the rolling element outside is provided with retainer, the rib that the inner ring periphery is provided with and rolls and originally adapt, the line of action between rolling element and the raceway groove is along the wrapping angle that has 31 °～41 ° between point of contact common normal line direction and channel plane.Row inner ring and outer row inner ring in described inner ring is divided between the inboard of the outer hand hay cutter of row inner ring and flange plate outer ring, are provided with a riveted construction between the interior row inner ring end face outside and the flange plate wheel hub in described.
In described, be provided with the sealing configuration of seal ring and dust cover combination between the inboard of the outside of row inner ring and flange plate outer ring.
Outside described, be provided with seal ring between the inboard of the outside of row inner ring and flange plate outer ring.
Described seal ring is skeleton rubber three lip seal circles, its outer endless belt interference fit is in flange plate outer ring raceway groove outside endless belt, main lip, secondary lip and the axial seal lip that seal ring is " people " font of establishing in interior week at skeleton, the little Spielpassung of the secondary lip of seal ring is in the smooth outer rib of inner ring, seal main lip in the contact of external diameter rib slip around, axially lip contacts in flange plate wheel hub shaft shoulder slip around.
Described seal ring is skeleton rubber three lip seal circles, its outer endless belt band interference fit is in flange plate outer ring raceway groove outside endless belt, main lip, secondary lip and the axial seal lip that seal ring is " people " font that be provided with in interior week at skeleton, the little Spielpassung of the secondary lip of seal ring is in the dust cover external diameter that cooperates with the smooth external diameter rib of inner ring, seal main lip in the contact of dust cover external diameter slip around, axially lip contacts in dust cover interior edge face slip around.
The beneficial effects of the utility model are: to the adverse effect of bearing assembly quality, reduced the fluctuation of bearing working play when adopting the axle riveted construction to eliminate locking nut, improved product working life; Bearing is realized the pretension locking functions before use, simplifies and installs; Reduce automotive brake assembly part number, alleviated the gross weight of parts, realize purpose of energy saving; Product has 36 ° wrapping angle, has axially and bearing capacity radially; Owing to increased seal ring, good dustproof effect; Before seal ring is pressed into hub, inject a kind of high temperature resistant, lubricating grease that greasy property is good to hub inside, can make its lifelong selflubricating.The utility model is installed in the break, connects, reduce automotive brake assembly part number, alleviated the gross weight of parts with suspension.
[description of drawings]
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is an agent structure sectional view of the present utility model;
Fig. 2 is the partial enlarged drawing at A place among Fig. 1;
Fig. 3 is the partial enlarged drawing at B place among Fig. 1;
Fig. 4 is the partial enlarged drawing at C place among Fig. 1.
Among the figure: 1-flange plate outer ring, the outer row inner ring of 2-, row inner ring in the 3-, 4-flange plate wheel hub, the 5-rolling element, 6-retainer, 7-outside seal ring, 8-axle riveted construction, 9-inner seal circle, 10-dust cover, 12-rib, the 13-flange plate wheel hub shaft shoulder, 14-dust cover external diameter, 15-dust cover interior edge face, 20-outer ring raceway, 21-seal ring sealing skeleton, 22-seals skeleton, and 31-seals main lip, 32-sealing pair lip, the axial lip of 33-, 80-bear inner ring grooved railway.
[embodiment]
As Fig. 1, Fig. 2 and shown in Figure 3: a kind of new profile shaft riveted technology automobile hub-bearing unit, comprise flange plate outer ring 1, outer row inner ring 2, interior row inner ring 3, flange plate wheel hub 4, rolling element 5, retainer 6, seal ring 7, the inboard of flange plate outer ring 1 is provided with parallel two ditch raceway grooves side by side, the surface of contact in its cross section is the arc surface that rolling element 5 matches, and row inner ring 2 and Nei Lie inner ring 3 outside being provided with below rolling element 5 are provided with the bear inner ring grooved railway 80 and the periphery that adapt with rolling element 5 and are provided with the rib 12 that adapts with rolling element 5; Outside hub, be provided with parallel bear inner ring grooved railway 80 side by side on row inner ring 2 and the Nei Lie inner ring 3, place therebetween rolling element 5 with the clamping of 1 pair of ditch raceway groove of flange plate outer ring; Be provided with retainer 6 between bear inner ring grooved railway 80 and the outer ring raceway 20, evenly isolate each rolling element 5, and guiding rolling element 5 proper motions, line of action between rolling element 5 and two ditch raceway groove 20 and the bear inner ring grooved railway 80 has wrapping angle a along between point of contact common normal line direction and channel plane, a=36 °, this hub can bear axially and bearing capacity radially.An end is provided with a riveted construction 8 between the outer hand hay cutter of interior row inner ring 3 end faces of described hub and flange plate wheel hub 4 end faces, can prevent effectively that row inner ring 3 gets loose from flange plate wheel hub 4 axle heads in the hub, guaranteeing has suitable play in the hub rotary course, prolongs the working life of hub.An end is provided with seal ring 7 between the outside of the outer row bear inner ring grooved railway 80 of described hub and the inboard of flange plate outer ring raceway groove 20, described seal ring 7 is skeleton rubber three lip seal circles, its outer endless belt interference fit is in flange plate outer ring raceway groove 20 outside endless belt, be provided with the main lip 31 of the sealing that is " people " shape, sealing pair lip 32 and axial lip 33 interior week at the sealing skeleton, sealing pair lip 32 little Spielpassung are in the external diameter rib 12 of the outer row inner ring 2 of grinding, seal the contact around rib 12 of main lip 31 and slide, axially lip 33 contact around the flange plate wheel hub shaft shoulder 13 is slided; An end is provided with the sealing configuration of seal ring 9 and dust cover 10 combinations between the outside of interior row inner ring 3 ribs 12 of described hub and the inboard of flange plate outer ring rib 12, described seal ring 9 is skeleton rubber three lip seal circles, its outer endless belt interference fit is in flange plate outer ring raceway groove 20 outside endless belt, be provided with the main lip 31 of the sealing that is " people " shape interior week at sealing skeleton 22, sealing pair lip 32 and axial lip 33, sealing pair lip 32 little Spielpassung are in dust cover external diameter 14, seal the contact around dust cover external diameter 14 of main lip 31 and slide, axially lip 33 contact around dust cover interior edge face 15 is slided; These two kinds of seal form guarantee that sealing is reliable, and rotation is flexible and the hub heat radiation is good, effectively stops leaking of hub lubricating grease, and can stop the outside dirt to be invaded.
The utility model provides a kind of new profile shaft riveted third generation automobile hub bearing, and this hub is installed in the break, connects with suspension, reduces automotive brake assembly part number, has alleviated the gross weight of parts; The utility model provide a kind of easy to maintenance, need not locking nut locking, before use realize the pretension locking functions, simplify install, third generation automobile hub unit that reliability is high.
Claims (5)
1, a kind of new profile shaft riveted technology automobile hub-bearing unit, adopt the double-row angular contact bal bearing structure, comprise wheel flange plate outer ring, flange plate wheel hub, inner ring, rolling element, retainer and seal ring, has the biserial rolling element, there is the biserial raceway groove outer ring, two inner rings respectively have a row raceway groove, the biserial rolling element is arranged in the biserial raceway groove, it is characterized in that: the inboard of described flange plate outer ring is provided with parallel two ditch raceway grooves side by side, the surface of contact in its cross section is the arc surface that rolling element matches, and is provided with the two halves inner ring of the bear inner ring grooved railway that adapts with rolling element below rolling element; Between outer ring raceway and bear inner ring grooved railway, the rolling element outside is provided with retainer, the inner ring periphery is provided with the rib that adapts with rolling element, the line of action between rolling element and the raceway groove is along the wrapping angle that has 31 °～41 ° between point of contact common normal line direction and channel plane.
2, new profile shaft riveted technology automobile hub-bearing unit according to claim 1, it is characterized in that: row inner ring and outer row inner ring in described inner ring is divided into, in described, between the inboard of the outside of row inner ring and flange plate outer ring, be provided with a riveted construction between the interior row inner ring end face outside and the flange plate wheel hub.
3, new profile shaft riveted technology automobile hub-bearing unit according to claim 2 is characterized in that: the sealing configuration that is provided with the combination of seal ring and dust cover in described between the inboard of the outside of row inner ring and flange plate outer ring.New profile shaft riveted technology automobile hub-bearing unit according to claim 2 is characterized in that: be provided with seal ring between the inboard of the outside of row inner ring and flange plate outer ring outside described.
4, according to claim 1 or 4 described new profile shaft riveted technology automobile hub-bearing units, it is characterized in that: described seal ring is skeleton rubber three lip seal circles, its outer endless belt interference fit is in flange plate outer ring raceway groove outside endless belt, main lip, secondary lip and the axial seal lip that seal ring is " people " font that be provided with in interior week at skeleton, the little Spielpassung of the secondary lip of seal ring is in the smooth external diameter rib of inner ring, seal main lip in the contact of external diameter rib slip around, axially lip contacts in flange plate wheel hub shaft shoulder slip around.
5, according to claim 1 or 4 described new profile shaft riveted technology automobile hub-bearing units, it is characterized in that: described seal ring is skeleton rubber three lip seal circles, its outer endless belt band interference fit is in flange plate outer ring raceway groove outside endless belt, main lip, secondary lip and the axial seal lip that seal ring is " people " font that be provided with in interior week at skeleton, the little Spielpassung of the secondary lip of seal ring is in the dust cover external diameter that cooperates with the smooth external diameter rib of inner ring, seal main lip in the contact of dust cover external diameter slip around, axially lip contacts in dust cover interior edge face slip around.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200622208U CN200989375Y (en) | 2006-07-31 | 2006-07-31 | Shaft riveting technique vehicle hub bearing unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2006200622208U CN200989375Y (en) | 2006-07-31 | 2006-07-31 | Shaft riveting technique vehicle hub bearing unit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200989375Y true CN200989375Y (en) | 2007-12-12 |
Family
ID=38940412
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2006200622208U Expired - Fee Related CN200989375Y (en) | 2006-07-31 | 2006-07-31 | Shaft riveting technique vehicle hub bearing unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200989375Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102062146A (en) * | 2011-01-18 | 2011-05-18 | 常熟长城轴承有限公司 | Main shaft bearing of circular knitting machine |
| CN102257286A (en) * | 2008-12-19 | 2011-11-23 | 谢夫勒科技有限两合公司 | Rolling element cage having spacer |
-
2006
- 2006-07-31 CN CNU2006200622208U patent/CN200989375Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102257286A (en) * | 2008-12-19 | 2011-11-23 | 谢夫勒科技有限两合公司 | Rolling element cage having spacer |
| CN102257286B (en) * | 2008-12-19 | 2014-09-03 | 谢夫勒科技股份两合公司 | Rolling element cage having spacer |
| CN102062146A (en) * | 2011-01-18 | 2011-05-18 | 常熟长城轴承有限公司 | Main shaft bearing of circular knitting machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20071212 Termination date: 20110731 |