CN203185983U - Hub assembly of vehicle - Google Patents
Hub assembly of vehicle Download PDFInfo
- Publication number
- CN203185983U CN203185983U CN 201320175355 CN201320175355U CN203185983U CN 203185983 U CN203185983 U CN 203185983U CN 201320175355 CN201320175355 CN 201320175355 CN 201320175355 U CN201320175355 U CN 201320175355U CN 203185983 U CN203185983 U CN 203185983U
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- China
- Prior art keywords
- bearing
- ring
- hub
- steering swivel
- hub assembly
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- 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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Abstract
The utility model discloses a hub assembly of a vehicle, wherein a bearing outer ring and a bearing guard of a hub inner cavity are arranged in interference fit, a ring-shaped boss which is used to limit the outer end surface of a bearing is arranged outside the bearing guard, a circular ring groove which is provided with a clamp spring is arranged in the bearing guard, and the clamp spring limits the inner end surface of the bearing after being sleeved on the circular ring groove to fix the bearing outer ring and a hub to form an integrated body. A shaft neck of a steering knuckle passes through the bearing inner ring and is matched with the bearing inner ring in a transition mode, a positioning boss of an inner hole of a positioning baffle ring is fit with the bearing inner ring after being clamped in an axial groove which is arranged on the steering knuckle, and the bearing, the hub and the positioning baffle ring are fixed on the steering knuckle by screwing down locking nuts, and are prevented from rotating to loose by locking the locking nuts. The hub assembly of the vehicle prevents the vehicle from loosing or prevents wheels from flying out because of the action of large lateral force when moving through pull-out force produced by the interference fit and double insurance of limited structures on the two ends of the bearing. The hub assembly of the vehicle can lightly dismount the bearing, the hub and a brake disc and the like from the steering knuckle when changing the brake disc, and does not affect the life of the bearing.
Description
Technical field
The utility model relates to front suspension and the preceding bridge construction of vehicle, more precisely, relates to a kind of wheel hub structure of vehicle.
Background technology
Use the front axle hub of two single-row roller bearing structures also many now on the home market, commercial vehicle/comm..vehicle nearly all adopts this structure, and manned vehicle also has many vehicles to adopt this structure.The hub life-span of this structure generally all about 40,000 kilometers, also will be pulled down bearing when changing drg behind the brake wear, does not often also re-use old bearing, and the hub life-span of this kind structure is shorter.Simultaneously, this structure is when producing assembling, and the requirement that play is adjusted is than higher, if the repairman does not grasp the yardstick of play during maintenance, bearing lost efficacy with regard to being easy to ablate.Frequent maintain and replace, the car load use cost also influences user's use simultaneously than higher.
Along with development of science and technology, external automobile bearing develops into a generation, two generations, three generations from single-row roller bearing, even four generations, this new four generation structure all be band oil sealing and grease double-row roller bearing, i.e. so-called non-maintaining bearing unit.Generation structure is double-row roller bearing, still bearing and wheel hub are fitted together use, and two generations, the three generations, four generation hub outside race and wheel hub be one, it is bearing unit, because wheel hub and the outside race of this hub all need adopt bearing steel, so cost is very high, for big slightly vehicle, the wheel bolt reference circle is bigger, cost is just too high, simultaneously two generations, the three generations, four generation hub structure have only volume production to reach 100,000 covers, die sinking production is just agreed by supporting producer, so two generations, the three generations, though four generation hub outside race and front wheel hub even steering swivel are combined, only be suitable for manned vehicle in enormous quantities.
The utility model content
The utility model provides a kind of Hub assembly of vehicle in order to solve problems of the prior art, and it is simple in structure, adopts modular design, its continuous long service life, and cost is low, can satisfy the vehicle that load is big, wheel is bigger.
In order to realize above-mentioned purpose, the technical solution of the utility model is: a kind of Hub assembly of vehicle, comprise wheel hub, bearing, steering swivel, the bearing guard interference fit of described outside race and wheel hub inner chamber, the outside of described bearing guard is provided with for to the spacing annular boss of bearing outside end face, described bearing guard inboard also is provided with ring groove, is used for the spacing jump ring of bearing inner side end is stuck in the ring groove; The axle journal of steering swivel pass bearing inner ring and and the inner ring transition fit of bearing; The axle journal of described steering swivel is provided with axial notch, also is provided with the positioning retainer ring that is enclosed within on the axle journal, and the endoporus of described positioning retainer ring is provided with boss radially, and the boss of positioning retainer ring endoporus is fitted with the bearing inner ring outer concentric after snapping in axial notch; The journal outer end of described steering swivel is provided with the screw thread fixed part, by the screw thread on the screw thread fixed part and jam nut described bearing and positioning retainer ring is fixed on the described steering swivel.
Preferably, the outside end face of described jam nut is provided with the locking lock part that a circle is used for being pressed into axial notch.
Preferably, described locking lock part is the thin ring of a circle that is arranged on the end face of the jam nut outside.
Preferably, described bearing is double-row conical bearing or generation bearing unit.
Preferably, on the described wheel hub brake disc is installed, is fixed with sensor stand on the described steering swivel, described sensor stand is provided with the cleading that sensor stand and brake disc are separated.
Preferably, the axle journal of described steering swivel and bearing inner ring transition fit, and the maximum interference amount is 3 μ m.
Preferably, the bearing guard of described wheel hub inner chamber and outside race interference fit, the pull-out force that its magnitude of interference produces is more than 1.5 times of vehicle side force.
The Hub assembly of vehicle of the present utility model, when double-row conical bearing is pressed in the wheel hub, refill jump ring, the outside end face of double-row conical bearing outer ring has the annular boss of bearing guard spacing, inner side end has jump ring spacing, thus guaranteed double-row conical bearing not relatively wheel hub produce and to endwisely slip.These two double insurances of pull-out force that interference fit produces and bearing two ends position limiting structure are fixed on double-row conical bearing on the wheel hub.Because the inner side end of double-row conical bearing inner ring and the shoulder on the steering swivel are fitted, outside end face has positioning retainer ring and jam nut to fix, and certain predetermincd tension arranged, can not produce inside and outside slip yet, so structure of the present utility model guarantees very fully that wheel can not produce at the axle journal of steering swivel and slide, avoid wheel to produce loosening because of the effect of huge side force or wheel flies out.Be convenient to simultaneously install and disassemble, after vehicle uses about 40,000 kilometers, in the time of must changing brake disc because wearing and tearing, can easily bearing, wheel hub, brake disc be removed from the axle journal of steering swivel together, after changing brake disc, also can easily load onto, can not influence bearing life.
Description of drawings
Fig. 1 is the section-drawing of the utility model Hub assembly.
Fig. 2 is the right elevation of the utility model Hub assembly.
Fig. 3 is the birds-eye view of the utility model Hub assembly.
Fig. 4 is that the B-B of Fig. 3 is to cutaway view.
Fig. 5 is that Fig. 1 is at the partial enlarged drawing at A place.
Fig. 6 is the left view of the utility model Hub assembly.
Fig. 7 is that the C-C of Fig. 2 is to cutaway view.
Fig. 8 is that the D-D of Fig. 3 is to cutaway view.
Fig. 9 is that the E-E of Fig. 4 is to cutaway view.
Figure 10 is that the E-E of Fig. 6 is to cutaway view.
Figure 11 is that Fig. 5 is at the partial enlarged drawing at B place.
The specific embodiment
For the technical matters that the utility model is solved, the technical scheme of employing, the technique effect easy to understand of obtaining, below in conjunction with concrete accompanying drawing, the specific embodiment of the present utility model is described further.
With reference to figure 1, Fig. 2, Fig. 3, Fig. 6, the Hub assembly of the disclosed a kind of vehicle of the utility model, a kind of Hub assembly of tep reel formula particularly, it comprises steering swivel 1, jump ring 2, ABS gear ring 3, abs sensor support 4, brake clamp assembly 5, brake disc 6, wheel hub 7, wheel bolt 8, double-row conical bearing 9, jam nut 10, wheel hub cover 11, positioning retainer ring 12, abs sensor 13, cleading 14 etc.
After with pneumatic engine double-row conical bearing 9 being pressed in the wheel hub inner chamber of wheel hub 7, jump ring 2 is installed in the circular radial ring groove that arranges on the hole wall of wheel hub inner chamber, then ABS gear ring 3 is pressed onto on the small end face of cylinder of wheel hub 7, as shown in Figure 1, in the hole around being pressed on wheel hub 7 flanges from the inboard six each and every one wheel bolts 8 respectively again.
Six bolt via holes with on six tapped bore aligning wheel hubs on the brake disc 6 are set to brake disc 6 on the wheel hub 7, and the attachment face of the two are fitted, use six hexagon flange bolts then, six bolt via holes by on the wheel hub 7 are fixed together brake disc 6 and wheel hub 7, as shown in Figure 1.
Then cleading 14 is fixed on the abs sensor support 4, locating dowel pin on the abs sensor support 4 is inserted in the hole of steering swivel 1, with a hexagonal bar iron assembly set abs sensor support 4 is fixed on the steering swivel 1 again, as Fig. 4, shown in Figure 9, to prevent that the heat on the brake disc 6 is passed to abs sensor 13, influences the work of abs sensor.
The axle journal of steering swivel 1 is aimed at the inner ring that has been contained in the double-row conical bearing 9 in the wheel hub 7, firmly be pressed into, then wheel hub 7 is turned to above the steering swivel 1.
The front end of steering swivel 1 axle journal comprises a screw thread fixed part 111, described screw thread fixed part 111 is provided with an axial notch 110 that extends vertically, with the axial notch 110 on positioning boss 120 aligning steering swivels 1 axle journal on positioning retainer ring 12 endoporus, positioning retainer ring 12 is installed on the steering swivel 1, after assembling finishes, positioning retainer ring 12 inboards are attached on double-row conical bearing 9 inner rings, as Fig. 1, shown in Figure 5.
By the screw thread on the screw thread fixed part 111, jam nut 10 is screwed to the outside of positioning retainer ring 12, and apply certain predetermincd tension, axial notch 110 places on steering swivel 1, thin ring 100 on jam nut 10 outermost is poured in the axial notch 110 of steering swivel 1, as the locking lock part of this jam nut 10, as shown in figure 11 with punching pin again, to prevent that jam nut 10 revolutions and predetermincd tension from disappearing, and causes hub to lose efficacy.Exert oneself or knock all around wheel hub cover 11 is pressed in the wheel hub inner chamber of hub body 7, as Fig. 1, Fig. 5, shown in Figure 11.
The shelves of opening of brake clamp assembly 5 are aimed at brake disc 6, brake disc 6 is filled in opening in the shelves of brake clamp assembly 5, and two tapped bore on the brake clamp assembly 5 are aimed at two via holes on the steering swivel 1, by two via holes on the steering swivel 1, with two bolts brake clamp assembly 5 is fixed on the steering swivel 1, as shown in figure 10.
Assembly of the present utility model can be fixed on front axle or the front suspension by four bolts, wheel can be fixed on the outer face of wheel bolt 8 and hub body 7, as Fig. 1, Fig. 3, Fig. 7, shown in Figure 8 by 6 wheel nuts.
Car load is in motion process, for front axle, mainly be subjected to the effect of 3g vertical power, 1g longitudinal force and 1g side force, as long as guarantee the intensity of steering swivel, just enough bear the effect of vertical power and longitudinal force, and side direction is mainly decided by the assembly relation of steering swivel, bearing, hub body.
In order to guarantee that wheel can not relax because of the effect of huge side force or wheel is flown out, that is to say and to guarantee that wheel can not inside and outsidely slide on steering swivel 1 axle journal, because wheel is fixed on the flange of wheel hub 7, therefore, guarantee wheel hub 7 can be on steering swivel 1 axle journal inside and outside the slip, can guarantee wheel can be on steering swivel 1 axle journal inside and outside the slip.
The bearing guard of the outer ring of double-row conical bearing 9 and wheel hub 7 is interference fit, and this cooperates the pull-out force that produces to be not less than 1.5 times of the side force of vehicle in motion process.
When double-row conical bearing 9 is pressed in the wheel hub 7, refill jump ring 2, the annular boss 70 that the outside end face of double-row conical bearing 9 outer rings has bearing guard to arrange is spacing, inner side end has jump ring 2 spacing, thereby guaranteed double-row conical bearing 9 not relatively wheel hub 7 produce and endwisely slip, as shown in Figure 1.These two double insurances of pull-out force that interference fit produces and bearing two ends position limiting structure are fixed on double-row conical bearing 9 on the wheel hub 7.Because the rear side end face of double-row conical bearing 9 inner rings and the shoulder on the steering swivel 1 are fitted, anterior end surface has positioning retainer ring 12 and jam nut 10 to fix, and certain predetermincd tension arranged, can not produce inside and outside slip yet, can not produce slip at the axle journal of steering swivel 1 so structure of the present utility model can fully guarantee wheel.
The interference fit that is preferably 3 μ m for the maximum interference amount that cooperates of double-row conical bearing 9 inner rings of the present utility model and steering swivel 1 axle journal, steering swivel 1 axle journal can be pressed in double-row conical bearing 9 inner rings with manpower, be convenient to like this install and disassemble, do not damage simultaneously bearing, so after vehicle uses about 40,000 kilometers, in the time of must changing brake disc 6 because wearing and tearing, can easily bearing, wheel hub, brake disc be removed from the axle journal of steering swivel together, after changing brake disc, also can easily load onto, can not influence bearing life.
Be with seal ring and grease in the double-row conical bearing 9 simultaneously, in the life-span even also longer than integeral vehicle life, maintenance free and replacing in the whole life of car load like this makes from car load, and cost is lower.
Hub assembly of the present utility model, by wheel hub, steering swivel, double-row conical bearing, brake disc, brake clamp assembly, abs sensor etc. are carried out the modularization optimal design, stop mechanism, steering swivel and hub are organically combined, cost-cutting, reduce parts and take up room, and weight reduces the reduction unsprung weight, reduce vibration, improved vehicle performance.Be convenient to specialized batch manufacturing, cost-cutting reduces the assembly failure probability, assembly assembling and convenient disassembly.
Hub assembly of the present utility model has range of use widely, is not only applicable to the front axle of independent suspension, also is suitable for the front axle of dependent suspension; Not only be suitable for the big commercial vehicle/comm..vehicle wheel of wheel bolt reference circle, also be suitable for the little manned vehicle wheel of reference circle.And this structure Design, in guaranteed performance, compare two generations, three generations, four generation hub, only the every cover of wheel hub cost can be saved about 20 yuan at least; Old relatively structural hub unit, overall cost reduces about 10 yuan, and the car load use cost reduces bigger.And each parts manufacturing technique requirent is lower, need not a large amount of moulds, specialized equipment and expensive material, and productive costs is low, is fit to produce in enormous quantities, also is fit to small batch production.
The utility model is by preferred embodiment having carried out detailed explanation.Yet, by to the studying carefully of preamble, to the variation of each embodiment with to increase also be that one of ordinary skill in the art institute is apparent.Being intended that all these variations and increasing of applicant all dropped in the scope that the utility model claim protects.
Similar numbering refers to similar element in the whole text.For the purpose of clear, the situation that some line, layer, element, parts or feature are amplified may be arranged in the accompanying drawings.
Term used herein is only for to be illustrated specific embodiment, and it is not to be intended to the utility model is limited.Unless otherwise defined, all terms used herein (comprising technical term and scientific terminology) are all identical with the utility model one of ordinary skill in the art's understanding.
Claims (7)
1. the Hub assembly of a vehicle, comprise wheel hub, bearing, steering swivel, it is characterized in that: the bearing guard interference fit of described outside race and wheel hub inner chamber, the outside of described bearing guard is provided with for to the spacing annular boss of bearing outside end face, the inboard of described bearing guard also is provided with ring groove, is used for the spacing jump ring of bearing inner side end is stuck in the ring groove; The axle journal of steering swivel pass bearing inner ring and and the inner ring transition fit of bearing; The axle journal of described steering swivel is provided with axial notch, also is provided with the positioning retainer ring that is enclosed within on the axle journal, and the endoporus of described positioning retainer ring is provided with positioning boss radially, and the boss of positioning retainer ring endoporus is fitted with the bearing inner ring outer concentric after snapping in axial notch; The journal outer end of described steering swivel is provided with the screw thread fixed part, by the screw thread on the screw thread fixed part and jam nut described bearing and positioning retainer ring is fixed on the described steering swivel.
2. Hub assembly according to claim 1 is characterized in that: the outside end face of described jam nut is provided with the locking lock part that a circle is used for being pressed into axial notch.
3. Hub assembly according to claim 2 is characterized in that: described locking lock part is the thin ring of a circle that is arranged on the end face of the jam nut outside.
4. Hub assembly according to claim 1, it is characterized in that: described bearing is double-row conical bearing or generation bearing unit.
5. Hub assembly according to claim 1 is characterized in that: on the described wheel hub brake disc is installed, on the described steering swivel sensor stand is installed, described sensor stand is provided with the cleading that sensor stand and brake disc are separated.
6. Hub assembly according to claim 1 is characterized in that: the axle journal of described steering swivel and bearing inner ring transition fit, and the maximum interference amount is 3 μ m.
7. Hub assembly according to claim 1, it is characterized in that: the bearing guard of described wheel hub inner chamber and outside race interference fit, the pull-out force that its magnitude of interference produces are more than 1.5 times of vehicle side force.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175355 CN203185983U (en) | 2013-04-09 | 2013-04-09 | Hub assembly of vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175355 CN203185983U (en) | 2013-04-09 | 2013-04-09 | Hub assembly of vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203185983U true CN203185983U (en) | 2013-09-11 |
Family
ID=49102869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320175355 Withdrawn - After Issue CN203185983U (en) | 2013-04-09 | 2013-04-09 | Hub assembly of vehicle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203185983U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213455A (en) * | 2013-04-09 | 2013-07-24 | 安徽江淮汽车股份有限公司 | Vehicle wheel hub assembly |
| CN112154075A (en) * | 2018-05-21 | 2020-12-29 | Ntn株式会社 | Power unit for vehicle and wheel bearing with generator |
| CN114857178A (en) * | 2022-03-19 | 2022-08-05 | 海宁奥通汽车零件有限公司 | Hub bearing and manufacturing process |
-
2013
- 2013-04-09 CN CN 201320175355 patent/CN203185983U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103213455A (en) * | 2013-04-09 | 2013-07-24 | 安徽江淮汽车股份有限公司 | Vehicle wheel hub assembly |
| CN112154075A (en) * | 2018-05-21 | 2020-12-29 | Ntn株式会社 | Power unit for vehicle and wheel bearing with generator |
| CN114857178A (en) * | 2022-03-19 | 2022-08-05 | 海宁奥通汽车零件有限公司 | Hub bearing and manufacturing process |
| CN114857178B (en) * | 2022-03-19 | 2024-01-05 | 海宁奥通汽车零件有限公司 | Hub bearing and manufacturing process |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20130911 Effective date of abandoning: 20160901 |
|
| C20 | Patent right or utility model deemed to be abandoned or is abandoned |