CN202914549U - Wheel bearing assembly - Google Patents

Wheel bearing assembly Download PDF

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Publication number
CN202914549U
CN202914549U CN2012204987945U CN201220498794U CN202914549U CN 202914549 U CN202914549 U CN 202914549U CN 2012204987945 U CN2012204987945 U CN 2012204987945U CN 201220498794 U CN201220498794 U CN 201220498794U CN 202914549 U CN202914549 U CN 202914549U
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CN
China
Prior art keywords
wheel
interior
track
bearing assembly
peripheral surface
Prior art date
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Expired - Fee Related
Application number
CN2012204987945U
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Chinese (zh)
Inventor
闵丙基
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIANJIN RIJIN AUTOMOBILE SYSTEM CO Ltd
Original Assignee
TIANJIN RIJIN AUTOMOBILE SYSTEM CO Ltd
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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
    • B60B27/0005—Hubs with ball bearings
    • 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
    • F16C19/183—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 with two rows at opposite angles
    • F16C19/184—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 with two rows at opposite angles in O-arrangement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0078—Hubs characterised by the fixation of bearings
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00—Bearings
    • B60B2380/70—Arrangements
    • B60B2380/73—Double track
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • 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
    • F16C2240/00—Specified values or numerical ranges of parameters; Relations between them
    • F16C2240/40—Linear dimensions, e.g. length, radius, thickness, gap
    • F16C2240/70—Diameters; Radii
    • 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
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/063—Fixing them on the shaft

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

The utility model discloses a wheel bearing assembly and solves the problem of slip of parts of the conventional wheel bearing. The wheel bearing assembly comprises an outer wheel, a wheel hub, a first inner wheel, a second inner wheel and a rolling part, wherein one side of the outer wheel is connected with a vehicle body; the outer wheel forms a mounting hole along a central shaft; a first outer wheel track and a second outer wheel track are arranged on the inner circumferential surface of the outer wheel; the wheel hub is arranged in the mounting hole; one part of the wheel hub is connected with a wheel of a vehicle; the wheel hub is provided with a central hole for mounting a drive shaft of the vehicle; the first inner wheel is arranged between the outer wheel and the wheel hub in the wheel direction of the vehicle; the first inner wheel is provided with a first inner wheel track corresponding to the first outer wheel track; the second inner wheel is arranged in the mounting hole in the opposite direction of the first inner wheel and corresponds to the first inner wheel; and the second inner wheel is provided with a second inner wheel track corresponding to the second outer wheel track. According to the wheel bearing assembly, the force of friction between each inner wheel and the wheel hub or the drive shaft contacted with each inner wheel can be increased.

Description

A kind of wheel bearing assembly
Technical field
The utility model relates to the technical field of bearing, refers to especially a kind of wheel bearing assembly.
Background technique
Usually, connect rotatable wheel at the wheel bearing assembly, vehicle can be moved.Such wheel bearing assembly can be divided into the follower wheel bearing of passing on motor to produce the driving wheel wheel bearing of power and can not passing on wheel bearing assembly and driving force.
Driving wheel wheel bearing assembly comprises from motor and producing, rotate according to the moment of torsion by speed changer, the rotation key element and self the fixing non-rotating key element that connect for live axle is rotated together are being mingled with rolling member between above-mentioned rotation key element and the non-rotating key element.Follower wheel bearing assembly, except the rotation key element not with live axle is connected, other formations are identical with driving wheel wheel bearing assembly.
Usually, the wheel bearing assembly of driving wheel comprises the wheel hub that is connected with live axle and surrounds interior wheel between foreign steamer, foreign steamer and the wheel hub of wheel hub, and the outside outer wheel track that forms of wheel and the rolling member between interior inner track wheel road of taking turns formation.In driving wheel wheel bearing assembly, the wheel hub that combines with wheel of vehicle and the interior wheel drive shaft that combines with wheel hub rotate.
But, when driving force is passed on from the driving axial wheel bearing, if the contact force between the constituent elements of wheel bearing less than driving force, then between the constituent elements skidding can occur.
The model utility content
The utility model proposes a kind of wheel bearing assembly, solved the problem of the constituent elements generation skidding of wheel bearing in the prior art.
The technical solution of the utility model is achieved in that
A kind of wheel bearing assembly comprises:
Foreign steamer, described foreign steamer one side combines with car body, described foreign steamer forms mounting hole along central shaft, and described foreign steamer within it side face be provided with the first outer wheel track and the second outer wheel track;
Wheel hub is arranged in the described mounting hole, and a described wheel hub part combines with the wheel of vehicle, and described wheel hub is provided with the center hole of the live axle of mounting vehicle;
The first interior wheel is arranged between the described foreign steamer and described wheel hub of wheel direction of described vehicle, and the described first interior wheel is provided with the first inner track wheel road corresponding with the described first outer wheel track;
The second interior wheel is arranged in the described first interior rightabout described mounting hole of taking turns and interiorly takes turns correspondingly with described first, and the described second interior wheel is provided with the second inner track wheel road corresponding with the described second outer wheel track;
Be used between the described first outer wheel track and described the first inner track wheel road and the rolling member that rolling is provided between the described second outer wheel track and described the second inner track wheel road;
Wherein, described first interior take turns with described second interior each size of taking turns asymmetric mutually.
Preferably, the described second interior width of inner peripheral surface of taking turns is greater than the described first interior width of taking turns inner peripheral surface.
Preferably, the external diameter of the outer circumferential face of the described first interior contacted described wheel hub of inner peripheral surface of taking turns is less than the external diameter of the contacted described wheel hub outer circumferential face of the described second interior inner peripheral surface of taking turns, and the described second interior thickness of taking turns is greater than the described first interior thickness of taking turns.
Preferably, the described first interior external diameter of taking turns and the described second interior external diameter of taking turns equate.
Preferably, with the described first interior outer circumferential face external diameter of taking turns the contacted described wheel hub of inner peripheral surface less than with the described second interior outer circumferential face external diameter of taking turns the contacted described wheel hub of inner peripheral surface, the described second interior thickness of taking turns is greater than the described first interior thickness of taking turns, and the described second interior inner peripheral surface width of taking turns is greater than the described first interior inner peripheral surface width of taking turns.
Preferably, the described first interior external diameter of taking turns is equal with the described second interior external diameter of taking turns.
Preferably, the outer circumferential face of the described second interior inner peripheral surface of taking turns and described live axle joins and combination.
Preferably, the described second interior keyway of taking turns with described live axle combines.
Preferably, the described first interior external diameter of taking turns and the second interior external diameter of taking turns equate.
A kind of wheel bearing assembly comprises:
Foreign steamer, described foreign steamer one side combines with car body, described foreign steamer forms mounting hole along central shaft, and described foreign steamer within it side face be provided with the first outer wheel track and the second outer wheel track;
Wheel hub is arranged at a side of described mounting hole, and the outer circumferential face of described wheel hub is provided with the first inner track wheel road corresponding with the first outer wheel track, and described wheel hub is provided with the wheel bore of mounting vehicle live axle;
The interior wheel is arranged at the other side of described mounting hole, and described interior outer circumferential face of taking turns is provided with the second inner track wheel road corresponding with the second outer wheel track, and described interior the wheel is provided with the interior wheel hole of described live axle being installed and communicating with described mounting hole;
Be used between the described first outer wheel track and described the first inner track wheel road and the rolling member that rolling is provided between the described second outer wheel track and described the second inner track wheel road.
The beneficial effects of the utility model are:
1, wheel bearing described in the utility model is total, can strengthen the interior wheel of wheel bearing assembly and the frictional force between the wheel hub that is in contact with it or the live axle.
2, wheel bearing described in the utility model is total, can improve between the constituent elements of the wheel bearing assembly that drives with live axle because the noise that friction causes.
3, wheel bearing described in the utility model is total, can improve the noise that produces between the interior wheel of wheel bearing assembly and the wheel hub that is in contact with it or the live axle.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technological scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or the description of the Prior Art, apparently, accompanying drawing in the following describes only is embodiments more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is a kind of wheel bearing assembly of the utility model embodiment 1 structural representation;
Fig. 2 is the enlarged view of A among Fig. 1;
Fig. 3 is a kind of wheel bearing assembly of the utility model embodiment 2 structural representation;
Fig. 4 is the enlarged view of B among Fig. 3;
Fig. 5 is a kind of wheel bearing assembly of the utility model embodiment 3 structural representation;
Fig. 6 is the enlarged view of C among Fig. 5;
Fig. 7 is a kind of wheel bearing assembly of the utility model embodiment 4 structural representation.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technological scheme among the utility model embodiment is clearly and completely described, obviously, described embodiment only is the utility model part embodiment, rather than whole embodiments.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment who obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
Fig. 1 to Fig. 2 is the drawing that shows the wheel bearing assembly according to embodiment of the present utility model.
Referring to figs. 1 through Fig. 2, wheel bearing assembly 1 comprises that wheel hub 110, foreign steamer 120, first interiorly take turns 130, second and interiorly take turns 140 and rolling member.
Wheel hub 110 is cylindric, and the wheel bore 111 that inserts vehicle drive shaft 10 is provided.The blue dish 112 of the outstanding forming method in the one side direction radius outside of wheel hub 110, the outstanding tutorial light 116 that forms of phase hub spindle X1 direction.Flange plate 112 bolt sphere 114 of having bored a hole, the wheel of vehicle (not shown) combines with wheel hub 110 in conjunction with way according to bolt etc.Tutorial light 116 plays the effect of guiding wheel in the installing wheel on wheel hub 110.
Foreign steamer 120 has formed the mounting hole 121 that inserts wheel hub 110 and interior wheel 130 according to central shaft.Inner peripheral surface at foreign steamer 120 forms the first and second outer wheel track 126,128, and the part of outer side surface is to the blue dish 122 of the outstanding forming method in the radius outside.In flange plate 122 middle punches bolt sphere 124, according to bolt etc. in conjunction with way, car body combines with foreign steamer 120.
First interiorly takes turns 130 and provides by the ring that predetermined thickness is arranged, and in the wheel direction of vehicle, that is to say, provides between the foreign steamer 120 that flange plate 122 directions are arranged of wheel hub 110 and the wheel hub 120.First interiorly takes turns 130 and comprises the first inner track wheel road 132, the first outside outer circumferential face 133, the first inboard outer circumferential face 134, the first inner peripheral surface 136, the first outer side surface 138 and the first inner side surface 139.
The first inner track wheel road 132 be first interior take turns on 130 the outer circumferential face with the first outer wheel track 126 symmetrical.The first outside outer circumferential face 133 is according to the wheel hub direction of vehicle, prolongs since the first inner track wheel road 132, and the first inboard outer circumferential face 134 is that the opposite direction according to the first outside outer circumferential face 133 prolongs since the first inner track wheel road 132.The external diameter of the first outside outer circumferential face 133 is greater than the external diameter of the first inboard outer circumferential face 134.The first inner peripheral surface 136 contacts with wheel hub 110 with the first outer side surface 138, and the first inner side surface 139 is interiorly taken turns 140 and contacted with second.
Second interior to take turns 140 be that the ring of according to the rules thickness provides, and interiorly takes turns 130 for making with first, is installed to the first interior rightabout mounting hole 121 of 130 of taking turns.Second interiorly takes turns 140 and comprises the second inner track wheel road 142, the second outside outer circumferential face 143, the second inboard outer circumferential face 144, the second inner peripheral surface 146, the second outer side surface 148, the second inner side surface 149.
The second inner track wheel road 142 is symmetrical in the second interior outer circumferential face and the second inner track wheel road 128 of 140 of taking turns.The second outside outer circumferential face 143 prolongs from the second inner track wheel road 142 according to the opposite direction of installing wheel direction, and the second inboard outer circumferential face 144 is that the opposite direction since the second outside outer circumferential face 143 prolongs from the second inner track wheel road 142.The external diameter of the second outside outer circumferential face 143 is greater than the external diameter of the second inboard outer circumferential face 144.The second inner peripheral surface 146 contacts with wheel hub 110, and the second inner side surface 149 is interiorly taken turns 130 and contacted with first, and the second outer side surface 148 contacts with live axle.
Rolling member 150 is mixed between the first inner track wheel road 132 and the first outer wheel track 126, and between the second inner track wheel road 142 and the second outer wheel track 128.Rolling member 150 can have diversified image according to track.Shown in figure one, rolling member 150 may be spherical.But, being not limited to this, rolling member 150 also may be the more and more less cone-shaped of diameter.
As shown in Figure 1, first interior to take turns the 130 and second interior size of 140 of taking turns be asymmetrical.The second interior width La2 that takes turns the second inner peripheral surface 146 of 140 is greater than the first interior width La1 that takes turns the first inner peripheral surface 136 of 130.That is to say, the first inner peripheral surface 136 contacts with the outer circumferential face of wheel hub 110 with the direction of the second inner peripheral surface 146 according to axle X1, and the area of the outer circumferential face connecting part of the second inner peripheral surface 146 and wheel hub 110 is greater than the area of the outer circumferential face connecting part of the first inner peripheral surface 136 and wheel hub 110.Therefore, can increase wheel hub 110 and the second interior contact force of taking turns between 140.When passing on driving force to wheel bearing assembly 1 from live axle 10, wheel hub 110 and the second interior incidence rate of skidding of taking turns between 140 can reduce, and the noise phenomenon also can make moderate progress simultaneously.
Fig. 3 to Fig. 4 is according to different embodiments of the present utility model, the drawing of performance wheel bearing assembly.
With reference to Fig. 3 to Fig. 4, the wheel bearing assembly comprises wheel hub 210, foreign steamer 220, first interiorly takes turns 230, second and interiorly takes turns 240, and rolling member 250.
The foreign steamer 220 of wheel bearing assembly 2 and rolling member 250 together provides with foreign steamer 120 and the rolling member 150 of wheel bearing assembly 1 shown in Figure 1.
Wheel hub 210, first interior take turns 230 and second interior take turns 240 provide with wheel hub shown in Figure 1 110, first interior take turns 130 and second interior take turns 140 similar.
Just, wheel hub 210 with first interior take turns the first inner peripheral surface 236 of 230 and the second interior outer circumferential face of taking turns the second inner peripheral surface connecting part of 240 form section poor.Specifically, the outer circumferential face external diameter that contacts with the first inner peripheral surface 236 is greater than the external diameter of the outer circumferential face of the second inner peripheral surface 246 contacts.That is to say, the second interior internal diameter of 240 of taking turns is less than the first interior internal diameter of 230 of taking turns.
Second interiorly takes turns the poor of 240 external diameter and internal diameter, and namely thickness is greater than the first interior thickness of 230 of taking turns.Especially, the second interior thickness of the second outer side surface 248 of 240 of taking turns is greater than the first interior thickness of taking turns 130 first outer side surfaces 238.Thus, it is large that the area of contact between the second outer side surface 248 and the live axle 10 becomes, so that the contact force between the second outer side surface 248 and the live axle 10 strengthens.In addition, when passing on driving force to wheel bearing assembly 2 from live axle 10, will reduce between the second outer side surface 248 and the live axle 10, because the noise that contact causes.
Second interior take turns 240 according to the shown in Figure 1 second interior 140, the first interior width of the first inner peripheral surface 236 of 230 of taking turns of taking turns less than the width of the second inner peripheral surface 246.Accordingly, the contact force between the second inner peripheral surface 246 and the wheel hub 210 can increase.
Fig. 5 to Fig. 6 is the drawing that shows the wheel bearing assembly according to another kind of embodiment of the present utility model.
With reference to Fig. 5 to Fig. 6, wheel bearing assembly 3 comprises wheel hub 310, foreign steamer 320, first interiorly takes turns 330, second and interiorly takes turns 340 and rolling member 350.
Foreign steamer 120 and the rolling member of the wheel bearing assembling 1 as shown in Figure 1 of the foreign steamer 320 of wheel bearing assembly 3 and rolling member 350 are identical.
Wheel hub 310, first interior take turns 330 and second interior take turns 340 as shown in Figure 1 wheel hub 110, first interior take turns 130 and second interior take turns 140 similar.
But, the second interior outer circumferential face connecting part of taking turns the second inner peripheral surface 346 of 340 and live axle 10.That is to say, second interiorly takes turns 340 in the situation that do not combine with wheel hub 310, directly is connected with live axle 10.Specifically, wheel hub only is provided to the first interior interior the second inner peripheral surface 346 of 340 of taking turns of the first inner side surface 339, the second of 330 of taking turns and does not contact with the outer circumferential face of wheel hub 310, but contacts with the outer circumferential face of live axle 10.The second interior the second inner side surface 349 of 340 of taking turns is interiorly taken turns 330 the first inner side surface 339 and wheel hub 310 terminal contacts first.
Live axle 10 and second is interiorly taken turns 340 keyway combinations.That is to say, second interiorly takes turns 340 as combining equally with wheel hub, combines with the keyway that live axle 10 outer circumferential faces form.When passing on driving forces to wheel bearing assembly 3 from live axle 10, second interiorly takes turns 340 and combines with live axle 10, prevents that second interiorly takes turns 340 light direction gradual change.
Second interiorly takes turns the second outer side surface 348 of 340 and the area of contact between the live axle 10 becomes large, causes the contact force between the second outer side surface 348 and the live axle 10 to increase.
Second interiorly takes turns 340 second interiorly take turns 140 shown in figure one, compares with the first interior width of taking turns the first inner peripheral surface 336 of 330, and the width of its second inner peripheral surface 346 can be larger.Accordingly, the contact force between the second inner peripheral surface 346 and the wheel hub 310 can increase.
Fig. 4 is the picture that shows the wheel bearing assembly according to another kind of embodiment of the present utility model.
With reference to Fig. 4, wheel bearing assembly 4 comprises wheel hub 410, foreign steamer 420, interiorly takes turns 440, and rolling member 450.
The foreign steamer 420 of wheel bearing assembly 4 and rolling member 450 are identical with foreign steamer 320 and the rolling member 350 of wheel bearing shown in Figure 3 assembling 3.
But the first outer wheel track 426 corresponding first inner track wheel roads 418 of wheel bearing assembly 4 foreign steamers 420 form at wheel hub 410, and the second inner track wheel road 442 corresponding with the second outer wheel track 428 taken turns 440 and formed interior.That is to say, be different from Fig. 1 to shown in Figure 3, wheel bearing assembly 4 can provide a mounting hole 421. that is installed to foreign steamer 420
Specifically, wheel hub 410 is installed in mounting hole 421 1 sides of foreign steamer 420, forms the first inner track wheel road 418 at its outer circumferential face.Interior 440 opposite directions in installation wheel hub 410 directions of taking turns, namely the opposite side of mounting hole 421 is installed, and forms the second inner track wheel road 442 at its outer circumferential face.The interior 440 installation live axles 10 of taking turns provide the interior wheel hole 441 that communicates with wheel bore 111.Namely, live axle 10 is inserted into wheel bore 111 by the interior hole 441 of taking turns.
As the second interior wheel in the of 340 of Fig. 3, interiorly take turns 440 and also can combine with the keyway that the outer circumferential face of live axle 10 forms.And then, when passing on driving force from live axle 10 beginnings to wheel bearing assembly 4, interiorly take turns 440 and combine with live axle 10 and to prevent interior 440 the light direction gradual change of taking turns.
Interiorly take turns 440 outer side surface 448 and the area of contact between the live axle 10 increases, the contact force between outer side surface 448 and the live axle 10 is increased.
Interiorly take turns 440 equally according to interior wheel shown in Figure 3 340, interior width of taking turns 440 inner peripheral surface 446 may be greater than the width of inner circumferential surface 446.Accordingly, the contact force between inner peripheral surface 446 and the wheel hub 410 increases.
The above only is preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. a wheel bearing assembly is characterized in that, comprising:
Foreign steamer (120), described foreign steamer (120) one sides combine with car body, described foreign steamer (120) forms mounting hole (121) along central shaft, and described foreign steamer (120) within it side face be provided with the first outer wheel track (126) and the second outer wheel track (128);
Wheel hub (110) is arranged in the described mounting hole (121), and described wheel hub (a 110) part combines with the wheel of vehicle, and described wheel hub (110) is provided with the center hole of the live axle (10) of mounting vehicle;
The first interior wheel (130) is arranged between the described foreign steamer (120) and described wheel hub (110) of wheel direction of described vehicle, and the described first interior wheel (130) is provided with the first inner track wheel road (132) corresponding with the described first outer wheel track (126);
The second interior wheel (140), be arranged in the rightabout described mounting hole (121) of the described first interior wheel (130) and corresponding with the described first interior wheel (130), the described second interior wheel (140) is provided with the second inner track wheel road (142) corresponding with the described second outer wheel track (128);
Be used between the described first outer wheel track (126) and described the first inner track wheel road (132) and the rolling member (150) that rolling is provided between the described second outer wheel track (128) and described the second inner track wheel road (142);
Wherein, each size of the described first interior wheel (130) and the described second interior wheel (140) is asymmetric mutually.
2. wheel bearing assembly according to claim 1 is characterized in that, the width of the described second interior wheel the (140) inner peripheral surface is greater than the width of the described first interior wheel the (130) inner peripheral surface.
3. wheel bearing assembly according to claim 1, it is characterized in that, the external diameter of the outer circumferential face of the contacted described wheel hub of the inner peripheral surface of the described first interior wheel (130) (110) is less than the external diameter of the contacted described wheel hub of the inner peripheral surface of the described second interior wheel (140) (110) outer circumferential face, and the described second interior wheel the (140) thickness is greater than the described first interior wheel the (130) thickness.
4. wheel bearing assembly according to claim 3 is characterized in that, the external diameter of the external diameter of the described first interior wheel (130) and the described second interior wheel (140) equates.
5. wheel bearing assembly according to claim 1, it is characterized in that, with the outer circumferential face external diameter of the described first interior wheel the (130) contacted described wheel hub of inner peripheral surface (110) less than with the outer circumferential face external diameter of the described second interior wheel the (140) contacted described wheel hub of inner peripheral surface (110), the thickness of the described second interior wheel (140) is greater than the thickness of the described first interior wheel (130), and the described second interior wheel the (140) inner peripheral surface width is greater than the described first interior wheel the (130) inner peripheral surface width.
6. wheel bearing assembly according to claim 5 is characterized in that, the described first interior wheel the (130) external diameter and the described second interior wheel the (140) external diameter equate.
7. wheel bearing assembly according to claim 1 is characterized in that, the outer circumferential face of the inner peripheral surface of the described second interior wheel (140) and described live axle (10) joins and combination.
8. wheel bearing assembly according to claim 7 is characterized in that, the keyway of the described second interior wheel (140) and described live axle (10) combines.
9. wheel bearing assembly according to claim 7 is characterized in that, the external diameter of the external diameter of the described first interior wheel (130) and the second interior wheel (140) equates.
10. a wheel bearing assembly is characterized in that, comprising:
Foreign steamer (420), described foreign steamer (420) one sides combine with car body, described foreign steamer (420) forms mounting hole (421) along central shaft, and described foreign steamer (420) within it side face be provided with the first outer wheel track (426) and the second outer wheel track (428);
Wheel hub (410), be arranged at a side of described mounting hole (421), the outer circumferential face of described wheel hub (410) is provided with the first inner track wheel road (418) corresponding with the first outer wheel track (426), and described wheel hub (410) is provided with the wheel bore (111) of mounting vehicle live axle (10);
The interior wheel (440), be arranged at an other side of described mounting hole (421), the outer circumferential face of described interior wheel the (440) is provided with the second inner track wheel road (442) corresponding with the second outer wheel track (428), and described interior wheel the (440) is provided with the interior wheel hole (441) of described live axle (10) being installed and communicating with described mounting hole (421);
Be used between the described first outer wheel track (426) and described the first inner track wheel road (418) and the rolling member (450) that rolling is provided between the described second outer wheel track (428) and described the second inner track wheel road (442).
CN2012204987945U 2011-11-30 2012-09-26 Wheel bearing assembly Expired - Fee Related CN202914549U (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2011-0127326 2011-11-30
KR1020110127326A KR101322429B1 (en) 2011-11-30 2011-11-30 Wheel bearing assembly

Publications (1)

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CN202914549U true CN202914549U (en) 2013-05-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012204987945U Expired - Fee Related CN202914549U (en) 2011-11-30 2012-09-26 Wheel bearing assembly

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CN (1) CN202914549U (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9713343D0 (en) * 1997-06-24 1997-08-27 Timken Co Process and machine for uniting rotatable machine components
JP4270527B2 (en) 1998-11-27 2009-06-03 株式会社ジェイテクト Wheel bearing
JP2001088508A (en) * 1999-09-21 2001-04-03 Ntn Corp Wheel bearing device
DE10054421A1 (en) * 2000-11-03 2002-05-08 Fag Automobiltechnik Ag Wheel bearing for cars has outer ring of synchronizing link designed as metal plate and corrugated surface of each running groove touches flanks of serration

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KR20130060985A (en) 2013-06-10

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