CN213088500U - Hub bearing with equal-diameter balls and different contact angles - Google Patents
Hub bearing with equal-diameter balls and different contact angles Download PDFInfo
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- CN213088500U CN213088500U CN202021874886.XU CN202021874886U CN213088500U CN 213088500 U CN213088500 U CN 213088500U CN 202021874886 U CN202021874886 U CN 202021874886U CN 213088500 U CN213088500 U CN 213088500U
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Abstract
The utility model discloses an isodiametric ball meets contact angle wheel hub bearing relates to automobile wheel hub bearing unit technical field, specifically is isodiametric ball meets contact angle wheel hub bearing, including the arbor wheel, the center of arbor wheel is equipped with the dead eye, the one end of arbor wheel has cup jointed interior wheel, interior wheel all is equipped with the rolling steel ball with the upper surface of arbor wheel, be equipped with the holder between the rolling steel ball, the foreign steamer has been cup jointed to the one end of arbor wheel, the rolling steel ball butt is at the internal surface of foreign steamer, be equipped with the pivot connecting hole on the arbor wheel, be equipped with the vehicle connection hole on the foreign steamer. According to the isodiametric ball different-contact-angle hub bearing, the rolling steel balls, the inner wheel, the shaft wheel and the outer wheel are arranged in a matched mode, and a contact mode of isodiametric ball different-contact surfaces is formed among the two rows of rolling steel balls, the inner wheel and the shaft wheel in the use process, so that the axial force applied to the hub bearing in the driving process can be reduced in the driving process of a vehicle, the axial bearing capacity is improved, and the fatigue peeling phenomenon is improved.
Description
Technical Field
The utility model relates to an automobile wheel hub bearing unit technical field specifically is the different contact angle wheel hub bearing of constant diameter ball.
Background
The main function of the hub bearing is to bear load and provide precise guidance for the rotation of the hub, and the hub bearing bears axial load and radial load and is a very important part. The traditional bearing for the automobile wheel is formed by combining two sets of tapered roller bearings or ball bearings, and the installation, the oil coating, the sealing and the clearance adjustment of the bearing are all carried out on an automobile production line. This structure makes it difficult, with high costs, the reliability poor in the assembly of automobile manufacturing factory, and when the car was maintained at the repair site, still need wash, fat liquoring and adjustment to the bearing. The hub bearing unit is developed on the basis of a standard angular contact ball bearing and a tapered roller bearing, integrates two sets of bearings, has the advantages of good assembly performance, capability of omitting clearance adjustment, light weight, compact structure, large load capacity, capability of filling lubricating grease in advance for sealing the bearings, capability of omitting external hub sealing, free maintenance and the like, is widely used in cars, and has a tendency of gradually expanding application in trucks.
With the development of technology, cars have widely used car hub units. The use range and the use amount of hub bearing units are increasing and nowadays the third generation has been developed, the first generation consisting of double row angular contact bearings. The second generation has a flange on the outer raceway for fixing the bearing, which can be simply screwed onto the axle wheel. Making the maintenance of the car easier. The third generation hub bearing unit adopts the matching of the bearing unit and the ABS of the anti-lock brake system. The hub unit is designed with an inner flange bolted to the drive shaft and an outer flange mounting the entire bearing together. Worn or damaged hub bearings or hub units can cause inappropriate and costly failures of your vehicle on the way of driving, even causing harm to your safety.
The contact angles of two rows of steel balls in the existing wheel hub bearing are the same, so that the axial bearing force of the wheel hub bearing is too large in the automobile running process, the phenomenon of fatigue spalling is easy to occur, and the service life of the whole wheel hub bearing is influenced.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
Not enough to prior art, the utility model provides a different contact angle wheel hub bearing of constant diameter ball has solved the problem of proposing among the above-mentioned background art.
(II) technical scheme
In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the isodiametric ball different contact angle hub bearing comprises an arbor wheel, wherein a bearing hole is formed in the center of the arbor wheel, an inner wheel is sleeved at one end of the arbor wheel, rolling steel balls are arranged on the upper surfaces of the inner wheel and the arbor wheel, a retainer is arranged between the rolling steel balls, an outer wheel is sleeved at one end of the arbor wheel, the rolling steel balls are abutted to the inner surface of the outer wheel, a rotating shaft connecting hole is formed in the arbor wheel, and a vehicle body connecting hole is formed in the outer wheel.
Optionally, the arbor wheel is of a stepped structure, the inner wheel is sleeved on the outer surface of the first-section stepped structure of the arbor wheel, one end of the inner wheel abuts against the side face of the second-section stepped structure of the arbor wheel, and the two are consistent in height.
Optionally, the number of the rolling steel balls is a plurality, and the plurality of rolling steel balls are divided into two rows and evenly distributed on the outer surfaces of the shaft wheel and the inner wheel.
Optionally, the two rows of rolling steel balls have different contact angles with the outer surfaces of the arbor wheel and the inner wheel, and the contact angle between the rolling steel ball and the outer surface of the arbor wheel is larger than the contact angle between the rolling steel ball and the inner wheel.
Optionally, the outer surface of the outer wheel is provided with a connecting ring, and the vehicle body connecting holes are uniformly distributed on the side surface of the connecting ring on the outer surface of the outer wheel.
Optionally, the number of the rotating shaft connecting holes is three, and the three rotating shaft connecting holes are uniformly distributed on the side face of the third section of the trapezoidal structure of the shaft wheel.
(III) advantageous effects
The utility model provides a different contact angle wheel hub bearing of constant diameter ball possesses following beneficial effect:
the isometric ball different contact angle hub bearing is matched with the rolling steel balls, the inner wheel, the shaft wheel and the outer wheel, so that the isometric ball different contact angle hub bearing forms a contact form of isometric ball different contact surfaces between two rows of rolling steel balls and the inner wheel and the shaft wheel in the use process, the axial force applied to the hub bearing in the driving process can be reduced in the driving process of a vehicle, the axial force transmitted to the center position of the wheel of the hub bearing is reduced, the axial bearing capacity is effectively improved, the fatigue peeling phenomenon is improved, and the actual service life is prolonged.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic overall structure of the present invention;
FIG. 3 is a front sectional view of the present invention;
fig. 4 is a schematic structural diagram of the contact angle of the present invention.
In the figure: 1. a shaft wheel; 2. a bearing bore; 3. an inner wheel; 4. rolling the steel ball; 5. a holder; 6. an outer wheel; 7. a rotating shaft connecting hole; 8. a vehicle body attachment hole.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1 to 4, the present invention provides a technical solution: the isometric spherical different-contact-angle hub bearing comprises an arbor wheel 1, a bearing hole 2 is arranged at the center of the arbor wheel 1, an inner wheel 3 is sleeved at one end of the arbor wheel 1, the arbor wheel 1 is of a ladder structure, the inner wheel 3 is sleeved on the outer surface of a first section of ladder structure of the arbor wheel 1, one end of the inner wheel 3 is abutted to the side surface of a second section of ladder structure of the arbor wheel 1, the heights of the inner wheel and the inner wheel are consistent, rolling steel balls 4 are arranged on the upper surfaces of the inner wheel 3 and the arbor wheel 1, the number of the rolling steel balls 4 is a plurality, the rolling steel balls 4 are divided into two rows, the two rows of the rolling steel balls 4 are uniformly distributed on the outer surfaces of the arbor wheel 1 and the inner wheel 3, the contact angles of the two rows of the rolling steel balls 4 and the outer surface of the arbor wheel 1 and the inner wheel 3 are different, the contact angle of the rolling steel balls 4 and the outer surface of the arbor wheel 1 is larger than the contact angle of, the isometric ball different contact angle hub bearing is characterized in that rolling steel balls 4, an inner wheel 3, an arbor wheel 1 and an outer wheel 6 are matched, so that in the using process of the isometric ball different contact angle hub bearing, two rows of rolling steel balls 4, the inner wheel 3 and the arbor wheel 1 form a contact form of isometric ball different contact surfaces, axial force borne by the hub bearing in the driving process can be reduced in the driving process of a vehicle, the axial force transmitted to the central position of a wheel of the hub bearing is reduced, the axial bearing capacity is effectively improved, the fatigue spalling phenomenon is improved, the actual service life is prolonged, the arbor wheel 1 is provided with three spindle connecting holes 7, the three spindle connecting holes 7 are uniformly distributed on the side surface of a third-section trapezoidal structure of the arbor wheel 1, the outer wheel 6 is provided with a vehicle body connecting hole 8, the outer surface of the outer wheel 6 is provided with a connecting ring, the vehicle body connecting holes 8 are evenly distributed on the side surface of the connecting ring on the outer surface of the outer wheel 6.
When the device is used, the outer wheel 6 and the shaft wheel 1 are respectively connected with a vehicle body and a driving shaft by penetrating through the rotating shaft connecting hole 7 and the vehicle body connecting hole 8 through bolts, so that the device is fixed on the vehicle body, a contact form of equal-diameter spherical different contact surfaces is formed between the two rows of rolling steel balls 4 and the inner wheel 3 and the shaft wheel 1 in the driving process of a vehicle, the axial force borne by a hub bearing in the driving process can be reduced, the axial force transmitted to the center position of the wheel of the hub bearing is reduced, the axial bearing capacity is effectively improved, the fatigue peeling phenomenon is improved, and the actual service life is prolonged.
The utility model discloses a theory of operation and beneficial effect: the isometric ball different contact angle hub bearing has the advantages that the rolling steel balls 4, the inner wheel 3, the arbor wheel 1 and the outer wheel 6 are matched, so that the isometric ball different contact angle hub bearing forms a contact form of isometric ball different contact surfaces between two rows of rolling steel balls 4 and the inner wheel 3 and the arbor wheel 1 in the use process, the axial force borne by the hub bearing in the driving process can be reduced in the driving process of a vehicle, the axial force transmitted to the center position of a wheel of the hub bearing is reduced, the axial bearing capacity is effectively improved, the fatigue spalling phenomenon is improved, and the actual service life is prolonged.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. Isodiametric ball changes contact angle wheel hub bearing, including arbor wheel (1), its characterized in that: the center of arbor wheel (1) is equipped with dead eye (2), interior round (3) has been cup jointed to the one end of arbor wheel (1), the upper surface of interior round (3) and arbor wheel (1) all is equipped with rolling steel ball (4), be equipped with holder (5) between rolling steel ball (4), foreign steamer (6) has been cup jointed to the one end of arbor wheel (1), rolling steel ball (4) butt is at the internal surface of foreign steamer (6), be equipped with pivot connecting hole (7) on arbor wheel (1), be equipped with automobile body connecting hole (8) on foreign steamer (6).
2. The constant-diameter ball different-contact-angle hub bearing according to claim 1, characterized in that: the arbor wheel (1) is of a stepped structure, the inner wheel (3) is sleeved on the outer surface of a first section of the arbor wheel (1) in a stepped structure mode, one end of the inner wheel (3) abuts against the side face of a second section of the arbor wheel (1) in a stepped structure mode, and the height of the inner wheel and the side face is consistent.
3. The constant-diameter ball different-contact-angle hub bearing according to claim 1, characterized in that: the number of the rolling steel balls (4) is a plurality, and the rolling steel balls (4) are divided into two lines which are uniformly distributed on the outer surfaces of the shaft wheel (1) and the inner wheel (3).
4. The constant-diameter ball different-contact-angle hub bearing according to claim 3, characterized in that: the contact angles of the two rows of rolling steel balls (4) with the outer surfaces of the arbor wheel (1) and the inner wheel (3) are different, and the contact angle of the rolling steel balls (4) with the outer surface of the arbor wheel (1) is larger than the contact angle of the rolling steel balls (4) with the inner wheel (3).
5. The constant-diameter ball different-contact-angle hub bearing according to claim 1, characterized in that: the outer surface of the outer wheel (6) is provided with a connecting ring, and the vehicle body connecting holes (8) are uniformly distributed on the side face of the connecting ring on the outer surface of the outer wheel (6).
6. The constant-diameter ball different-contact-angle hub bearing according to claim 1, characterized in that: the number of the rotating shaft connecting holes (7) is three, and the three rotating shaft connecting holes (7) are uniformly distributed on the side face of the third section of the trapezoidal structure of the shaft wheel (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021874886.XU CN213088500U (en) | 2020-09-01 | 2020-09-01 | Hub bearing with equal-diameter balls and different contact angles |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021874886.XU CN213088500U (en) | 2020-09-01 | 2020-09-01 | Hub bearing with equal-diameter balls and different contact angles |
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| Publication Number | Publication Date |
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| CN213088500U true CN213088500U (en) | 2021-04-30 |
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| CN202021874886.XU Active CN213088500U (en) | 2020-09-01 | 2020-09-01 | Hub bearing with equal-diameter balls and different contact angles |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033795A (en) * | 2021-11-04 | 2022-02-11 | 浙江翎天科技有限公司 | Hub bearing unit |
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2020
- 2020-09-01 CN CN202021874886.XU patent/CN213088500U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114033795A (en) * | 2021-11-04 | 2022-02-11 | 浙江翎天科技有限公司 | Hub bearing unit |
| CN114033795B (en) * | 2021-11-04 | 2023-12-08 | 浙江翎天科技有限公司 | Hub bearing unit |
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Address after: 471000 No. 486, Longping Road, Luolong District, Luoyang City, Henan Province Patentee after: Luoyang LYC Automobile Bearing Technology Co., Ltd Address before: 471000 No.1, zhangheng street, Luolong Science Park, Luolong District, Luoyang City, Henan Province Patentee before: Entine LYC (Luoyang) Precision Bearing Co.,Ltd. |