CN217462882U - Wheel hub bearing flange, wheel hub bearing unit and car - Google Patents
Wheel hub bearing flange, wheel hub bearing unit and car Download PDFInfo
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- CN217462882U CN217462882U CN202123432050.1U CN202123432050U CN217462882U CN 217462882 U CN217462882 U CN 217462882U CN 202123432050 U CN202123432050 U CN 202123432050U CN 217462882 U CN217462882 U CN 217462882U
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- hub bearing
- flange
- brake disc
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- flange body
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- 238000010586 diagram Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000036316 preload Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009191 jumping Effects 0.000 description 1
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Abstract
The utility model relates to an automobile chassis spare part technical field particularly, relates to a wheel hub bearing flange, wheel hub bearing unit and car. The hub bearing flange comprises a flange body and an abutting part connected with the flange body; the abutting part is used for abutting against the brake disc and is in line contact with the brake disc. The hub bearing flange can reduce the influence of the end face runout of the flange face of the hub bearing on braking, and brake shaking of an automobile is avoided, so that the brake stability of the automobile is improved.
Description
Technical Field
The utility model relates to an automobile chassis spare part technical field particularly, relates to a wheel hub bearing flange, wheel hub bearing unit and car.
Background
With the development of the automobile industry, the hub bearing unit has advantages of convenience in installation, pre-load, high rigidity, and the like, and thus the use of the hub bearing unit is becoming wider and wider.
The end face runout of the flange face of the hub bearing is a key parameter of the hub bearing, any convex point on the flange face can influence the end face runout, the automobile brake shaking can be caused by overlarge end face runout, if the end face runout requirement is too small, the end face runout needs to be repaired or even scrapped, and the production cost of a product is directly influenced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a wheel hub bearing flange, wheel hub bearing unit and car, its end face that can reduce wheel hub bearing flange face beats the influence to the braking, avoids the car to appear the braking shake to improve the braking stability of vehicle.
The embodiment of the utility model is realized like this:
in a first aspect, the present invention provides a hub bearing flange, which includes a flange body and an abutting portion connected to the flange body;
the abutting part is used for abutting against the brake disc and is in line contact with the brake disc.
In an alternative embodiment, the face of the abutment facing the brake disc is a conical face arranged around the axis of the flange body.
In an alternative embodiment, the height of the inner side of the abutment portion is lower than the height of the outer side of the abutment portion in the axial direction of the flange body.
In an alternative embodiment, the difference in height between the inside of the abutment and the outside of the abutment is 0.01-0.08 mm.
In an alternative embodiment, the face of the abutment facing the brake disc comprises a first subsection and a second subsection;
the first subsection and the second subsection are arranged around the axis of the flange body;
the first sub-part is arranged on the periphery of the flange body around the axis of the flange body; the second part is arranged on the periphery of the first part around the axis of the flange body;
the surface of the first division part facing the brake disc is a plane, and the surface of the second division part facing the brake disc is a conical surface.
In an alternative embodiment, the height of the inner side of the second subsection is lower than the height of the outer side of the second subsection in the axial direction of the flange body.
In an alternative embodiment, the difference in height between the inside of the second section and the outside of the second section is between 0.01mm and 0.08 mm.
In an alternative embodiment, the abutting portion includes a plurality of annular protrusions provided on the flange surface of the flange body, the plurality of annular protrusions being provided in sequence;
and the protruding heights of the plurality of annular convex parts are gradually reduced from the radial direction to the inner side along the flange body.
In a second aspect, the present invention provides a hub bearing unit, which comprises a brake disc and the above-mentioned hub bearing flange;
the brake disc is sleeved on the hub bearing flange and is in line contact with the butting part.
Third aspect, the utility model provides an automobile, automobile include foretell wheel hub bearing unit.
The utility model discloses beneficial effect includes:
the hub bearing flange comprises a flange body and an abutting part connected with the flange body; the abutting part is used for abutting against the brake disc and is in line contact with the brake disc. Therefore, when the hub bearing flange is in contact with the brake disc, the contact form of line contact is adopted, so that the influence of face jump on braking can be reduced through the contact mode, the brake shake of the automobile is avoided, and the brake stability of the automobile is improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on these drawings without inventive efforts.
Fig. 1 is a schematic structural view of a hub bearing flange in an embodiment of the present invention;
fig. 2 is a partial schematic view of a hub bearing flange according to an embodiment of the present invention;
fig. 3 is a schematic diagram illustrating abutment of a hub bearing flange and a brake disc according to an embodiment of the present invention;
fig. 4 is the embodiment of the utility model provides a local schematic diagram of wheel hub bearing flange and brake disc butt department.
100-hub bearing flange; 110-a flange body; 120-an abutment; 121-a conical surface; 200-brake disc.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another, and are not to be construed as indicating or implying relative importance.
Furthermore, the terms "horizontal", "vertical" and the like do not imply that the components are required to be absolutely horizontal or pendant, but rather may be slightly inclined. For example, "horizontal" merely means that the direction is more horizontal than "vertical" and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
With the development of the automobile industry, the hub bearing unit has advantages of convenience in installation, pre-load, high rigidity, and the like, and thus, the use of the hub bearing unit is becoming wider and wider.
The end face runout of the flange face of the hub bearing is a key parameter of the hub bearing, any convex point on the flange face can influence the end face runout, the end face runout is too large to cause automobile brake shaking, and if the end face runout requirement is too small, the end face runout needs to be repaired or even scrapped, so that the production cost of a product is directly influenced.
Referring to fig. 1-4, for the above reasons, the present embodiment provides a hub bearing flange 100.
Fig. 1 and 2 show the structure of a hub bearing flange in an embodiment of the present invention, and fig. 3 and 4 show the structure of a hub bearing flange and a brake disc in an embodiment of the present invention; the hub bearing flange 100 comprises a flange body 110 and an abutment 120 connected to the flange body 110;
the abutment portion 120 is configured to abut against the brake rotor 200 and is in line contact with the brake rotor 200.
The working principle of the hub bearing flange 100 is as follows:
referring to fig. 1 to 4, the hub bearing flange 100 includes a flange body 110 and an abutting portion 120 connected to the flange body 110; the abutment portion 120 is configured to abut against the brake rotor 200 and is in line contact with the brake rotor 200. Therefore, the hub bearing flange 100 is in line contact with the brake disc 200 when in contact with the brake disc 200, and compared with the prior art in which the hub bearing flange 100 is in surface contact with the brake disc 200, the contact mode can reduce the influence of the jump of the contact surface on braking, thereby avoiding the brake shake of the automobile and improving the braking stability of the automobile.
Further, referring to fig. 1 to 4, in the present embodiment, the contact form between the abutting portion 120 and the brake disc 200 is a line contact, and therefore, the surface of the abutting portion 120 facing the brake disc 200 is a tapered surface 121 disposed around the axis of the flange body 110. In order to improve the stability of the contact between the contact portion 120 and the brake disk 200, the height of the inner side of the contact portion 120 is lower than the height of the outer side of the contact portion 120 in the axial direction of the flange body 110. The difference in height between the inside of the abutment 120 and the outside of the abutment 120 (as indicated by the symbol a in fig. 1) is 0.01 to 0.08mm, for example, 0.01mm, 0.02mm, 0.03mm, 0.04mm, 0.05mm, 0.06mm, 0.07mm, 0.08mm, and the like.
Thus, by the above arrangement, the contact surface of the abutting portion 120 with the brake disc 200 is recessed, so that when the brake disc 200 abuts against the abutting portion 120, the brake disc 200 is in line contact with the abutting portion 120.
In other embodiments of the present invention, when the abutting portion 120 is provided, the surface of the abutting portion 120 facing the brake disk 200 includes a first part and a second part; the first and second parts are arranged around the axis of the flange body 110; the first section is disposed at the outer periphery of the flange body 110 around the axis of the flange body 110; the second section is disposed about the axis of the flange body 110 at the periphery of the first section; the surface of the first section facing the brake disc 200 is a flat surface, and the surface of the second section facing the brake disc 200 is a tapered surface 121.
And the height of the inner side of the second subsection is lower than the height of the outer side of the second subsection in the axial direction of the flange body 110. The height difference between the inner side of the second part and the outer side of the second part is 0.01mm-0.08 mm.
That is, when the contact portion 120 is provided, a portion of the contact portion 120 on the surface contacting the brake disk 200 may be provided as the tapered surface 121, or the entire surface of the contact portion 120 contacting the brake disk 200 may be provided as the tapered surface 121, as required.
In addition, in other embodiments of the present invention, the abutting portion 120 may further include a plurality of annular protrusions disposed on the flange surface of the flange body 110, and the plurality of annular protrusions are sequentially disposed; and the protruding heights of the plurality of annular protrusions are gradually reduced from the radially inward direction of the flange body 110. Thus, with this arrangement, the brake disk 200 is in line contact with each annular projecting portion when in contact therewith.
Based on the above, please refer to fig. 1 to 4, the present invention provides a hub bearing unit, which includes a brake disc 200 and the hub bearing flange 100; the brake disc 200 is sleeved on the hub bearing flange 100 and is in line contact with the abutting portion 120.
When the hub bearing flange 100 of the hub bearing unit is in contact with the brake disc 200, a line contact mode is adopted, and compared with the surface contact mode of the hub bearing flange 100 and the brake disc 200 in the prior art, the contact mode can reduce the influence of the jumping of the contact surface on braking, so that the brake shaking of an automobile is avoided, and the brake stability of the automobile is improved.
Based on the above, please refer to fig. 1-4, the present invention provides an automobile, which includes the above hub bearing unit.
When the hub bearing unit of the automobile brakes, the hub bearing flange 100 adopts a contact form in line contact with the brake disc 200, and compared with the contact form of the hub bearing flange 100 and the brake disc 200 in the prior art, the contact form can reduce the influence of the jump of the contact surface on braking, thereby avoiding the brake shake of the automobile and improving the braking stability of the automobile.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (9)
1. A hub bearing flange characterized in that:
the hub bearing flange comprises a flange body and a butting part connected with the flange body;
the abutting part is used for abutting against the brake disc and is in line contact with the brake disc;
the surface of the abutting portion facing the brake disc is provided with a conical surface around the axis of the flange body.
2. The hub bearing flange of claim 1, wherein:
the height of the inner side of the abutting portion is lower than the height of the outer side of the abutting portion along the axial direction of the flange body.
3. The hub bearing flange of claim 2, wherein:
the height difference between the inner side of the abutting part and the outer side of the abutting part is 0.01-0.08 mm.
4. The hub bearing flange of claim 1, wherein:
the surface of the abutting portion facing the brake disc comprises a first subsection and a second subsection;
the first subsection and the second subsection are arranged around the axis of the flange body;
the first sub-part is arranged on the periphery of the flange body around the axis of the flange body; the second subsection is arranged on the periphery of the first subsection around the axis of the flange body;
the surface of the first sub-portion facing the brake disc is a plane, and the surface of the second sub-portion facing the brake disc is a conical surface.
5. The hub bearing flange of claim 4, wherein:
the height of the inner side of the second subsection is lower than the height of the outer side of the second subsection along the axial direction of the flange body.
6. The hub bearing flange of claim 5, wherein:
the difference in height between the inside of the second subsection and the outside of the second subsection is between 0.01mm and 0.08 mm.
7. The hub bearing flange of claim 1, wherein:
the abutting part comprises a plurality of annular convex parts arranged on the flange surface of the flange body, and the annular convex parts are sequentially arranged;
and the protruding heights of the annular convex parts are gradually reduced from the radial direction inside along the flange body.
8. A hub bearing unit characterized in that:
the hub bearing unit comprising a brake disc and a hub bearing flange according to any one of claims 1-7;
the brake disc is sleeved on the hub bearing flange and is in line contact with the abutting part.
9. An automobile, characterized in that:
the motor vehicle comprising a hub bearing unit according to claim 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432050.1U CN217462882U (en) | 2021-12-30 | 2021-12-30 | Wheel hub bearing flange, wheel hub bearing unit and car |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123432050.1U CN217462882U (en) | 2021-12-30 | 2021-12-30 | Wheel hub bearing flange, wheel hub bearing unit and car |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217462882U true CN217462882U (en) | 2022-09-20 |
Family
ID=83262276
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123432050.1U Active CN217462882U (en) | 2021-12-30 | 2021-12-30 | Wheel hub bearing flange, wheel hub bearing unit and car |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217462882U (en) |
-
2021
- 2021-12-30 CN CN202123432050.1U patent/CN217462882U/en active Active
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Effective date of registration: 20230131 Granted publication date: 20220920 |
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Date of cancellation: 20240108 Granted publication date: 20220920 |
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