CN215521627U - Hub bearing with wheel bolts - Google Patents
Hub bearing with wheel bolts Download PDFInfo
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- CN215521627U CN215521627U CN202121185746.6U CN202121185746U CN215521627U CN 215521627 U CN215521627 U CN 215521627U CN 202121185746 U CN202121185746 U CN 202121185746U CN 215521627 U CN215521627 U CN 215521627U
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- inner ring
- large inner
- wheel
- flange plate
- bolt
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Abstract
The utility model provides a hub bearing with wheel bolts, which comprises a large inner ring with a flange plate, an outer ring with a flange plate, balls and a retainer. The end face of the large inner ring flange plate is provided with a bolt hole which is arranged in a penetrating way, a wheel bolt is arranged in the bolt hole in a pressing way, the head part of the wheel bolt is positioned on one side of the end face of the large inner ring flange plate, and a screw rod of the wheel bolt penetrates through the bolt hole and then extends to the other side of the large inner ring flange plate; before the wheel bolt is pressed, the end face, far away from the head of the wheel bolt, of the large inner ring flange plate is provided with an abdicating inclined plane which is obliquely arranged, and the abdicating inclined plane inclines towards the side of the head of the wheel bolt from the center to the edge of the large inner ring flange plate. According to the utility model, the abdicating inclined plane is arranged on the end surface of the large inner ring flange plate, so that the plane change generated by the warping of the large inner ring flange plate can be counteracted to a certain extent after the wheel bolts are pressed, the planeness qualification rate of the end surface of the large inner ring flange plate of the hub bearing is improved, the bearing quality is improved, and the hub bearing scrapping cost is reduced.
Description
Technical Field
The utility model belongs to the technical field of bearings, and particularly relates to a hub bearing with wheel bolts.
Background
The hub bearing is a part applied to an automobile axle for bearing and providing accurate guide for the rotation of a wheel hub, bears axial load and radial load, and is an important component of automobile load and rotation.
In part of the hub bearing, wheel hub bolts (wheel bolts for short) are required to be pressed on the bearing before the bearing leaves a factory, and the wheel bolts are pressed in bolt holes of a flange plate of a large inner ring of the bearing to form the hub bearing with the wheel bolts. As shown in fig. 1 and fig. 2, before the wheel bolt 16 is press-fitted, the end surface on the right side of the flange 111 of the large inner ring 11 is an ideal plane a, and since the wheel bolt 16 and the bolt hole 111a are in interference fit, after the wheel bolt is press-fitted, on one hand, the flange 111 of the large inner ring is deformed and warped towards the right side (microscopically), and has a tiny bulge (microscopically) protruding out of the ideal plane a; on the other hand, the end surface of the flange plate of the large inner ring close to the bolt hole is provided with a tiny bulge (a microscopic bulge, not shown in the figure). When the bearing is detected, the flatness of the right end face of the large inner ring flange 111 with large deformation is out of tolerance, so that the product quality is influenced, and even the connection between the hub bearing and the wheel is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problems in the prior art, and the utility model aims to provide a hub bearing with wheel bolts.
In order to achieve the purpose, the utility model adopts the following technical scheme: a hub bearing with wheel bolts comprises a large inner ring with a flange plate, an outer ring with a flange plate, balls and a retainer, wherein the large inner ring is provided with a connecting column which is positioned on one side of the flange plate and extends outwards in the axial direction;
the end face of the large inner ring flange plate is provided with a bolt hole which is arranged in a penetrating way, a wheel bolt is arranged in the bolt hole in a pressing way, the head part of the wheel bolt is positioned on one side of the end face of the large inner ring flange plate, and a screw rod of the wheel bolt penetrates through the bolt hole and then extends to the other side of the large inner ring flange plate;
before the wheel bolt is pressed, the end face, far away from the head of the wheel bolt, of the large inner ring flange plate is provided with an abdicating inclined plane which is obliquely arranged, and the abdicating inclined plane inclines towards the side of the head of the wheel bolt from the center to the edge of the large inner ring flange plate.
In the technical scheme, the wheel bolts are fixed on the large inner ring flange plate in a press-fitting mode, so that the wheel bolts can be effectively prevented from being lost; and through set up the inclined plane of stepping down at the terminal surface of big inner circle ring flange, after pressure equipment wheel bolt, can offset the plane change that big inner circle ring flange warpage produced to a certain extent and the plane change that the small arch near the bolt hole produced, promote the plane degree qualification rate of hub bearing big inner circle ring flange terminal surface, promote bearing quality, reduce hub bearing cost of scrapping.
In a preferred embodiment of the utility model, the head of the wheel bolt is located on one side of the large inner ring connection post.
In a preferred embodiment of the present invention, the hub bearing further includes a small inner ring sleeved outside the large inner ring connection post and fixedly connected thereto, the small inner ring is located between the outer ring and the large inner ring and is far away from the large inner ring flange, the inner wall of the outer ring is provided with a second outer raceway, the outer wall of the small inner ring is provided with a second inner raceway corresponding to the second outer raceway, and balls are also installed between the second inner raceway and the second outer raceway through a retainer.
In the technical scheme, two sets of the retainer and the ball are arranged and are double-row bearings, so that the performance and the bearing capacity of the hub bearing are improved; and the second inner raceway is arranged on the small inner ring, so that the balls and the retainer can be conveniently installed.
In a preferred embodiment of the utility model, the small inner ring is riveted to the large inner ring. Compared with the bolt connection method which needs to be provided with the bolt connecting part and the bolt, the size of the small inner ring can be reduced as much as possible by adopting riveting, and the size of the hub bearing is reduced.
In a preferred embodiment of the present invention, the hub bearing further includes a first sealing structure for preventing foreign matter from entering into the ball-mounting cavity between the outer ring and the large inner ring connecting post, and a second sealing structure for preventing foreign matter from entering into the ball-mounting cavity between the outer ring and the small inner ring.
Among the above-mentioned technical scheme, can realize the isolation of wheel part lubricating oil and bearing part lubricating grease through setting up first seal structure and second seal structure, prevent simultaneously that the impurity of wheel part from spattering inside the bearing (installing the appearance chamber of ball promptly) to this life who prolongs this wheel hub bearing.
In another preferred embodiment of the utility model, the first sealing structure is a framework oil seal arranged between the inner wall of the outer ring and the outer wall of the connecting column of the large inner ring, or between the inner wall of the outer ring and the end face of the flange of the large inner ring; the second sealing structure is a housing which is connected with the end part of the outer ring far away from the big inner ring flange plate in a sealing way.
Among the above-mentioned technical scheme, the space between outer lane inner wall and the big inner circle spliced pole is little, sets up the skeleton oil blanket and is convenient for install. Through setting up the housing with little inner circle and big inner circle spliced pole encapsulation inside the outer lane, can prevent outside impurity on the one hand and get into inside the bearing, on the other hand can utilize inside space installation some measuring parts of housing, for example ring gear, sensor etc..
In another preferred embodiment of the utility model, a measuring piece for measuring the state of the hub bearing is arranged on the outer ring or the large inner ring and is positioned in a housing, a wire harness hole is formed in the housing, a wire harness connected with the measuring piece can be positioned outside the housing through the wire harness hole, and the wire harness is connected with the wire harness hole in a sealing manner.
Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a large inner ring flange in the prior art before bolts are pressed and mounted.
Fig. 2 is a schematic diagram of a state of a large inner ring flange plate in the background art after bolts are pressed, and deformation of the right end face of the large inner ring flange plate is enlarged for convenience of observation.
Fig. 3 is a schematic structural view of the hub axle load wheel bolt with the wheel bolt according to the embodiment of the present application.
Fig. 4 is a schematic view of the hub axle with wheel bolts of the embodiment of the present application before the wheel bolts, and the deformation of the right end face of the large inner ring flange is enlarged for the convenience of observation.
Fig. 5 is a schematic view of the wheel bolt-equipped hub axle according to the embodiment of the present invention, with the wheel bolt omitted for convenience of illustration.
Reference numerals in the drawings of the specification include: the large inner ring structure comprises a large inner ring 11, a large inner ring flange 111, bolt holes 111a, abdicating inclined planes 111b, a connecting column 112, an outer ring 12, a first outer raceway 12a, a second outer raceway 12b, balls 13, a retainer 14, a small inner ring 15, wheel bolts 16, a first sealing structure 17, a second sealing structure/housing 18, a wire harness hole 18a, a measuring part/gear ring 19 and an ideal plane A.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "vertical", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, unless otherwise specified and limited, it is to be noted that the terms "mounted," "connected," and "connected" are to be interpreted broadly, and may be, for example, a mechanical connection or an electrical connection, a communication between two elements, a direct connection, or an indirect connection via an intermediate medium, and specific meanings of the terms may be understood by those skilled in the art according to specific situations.
The present invention provides a hub bearing with wheel bolts, which, as shown in fig. 3 and 4, in a preferred embodiment of the present invention, comprises a large inner ring 11 having a flange, an outer ring 12 having a flange, balls 13 and a cage 14. The large inner ring 11 has a connecting column 112 located at one side of the flange 111 and extending axially outwards, for example, the connecting column 112 is arranged at the left side of the flange 111 of the large inner ring, and the outer ring 12 is sleeved outside the connecting column 112 of the large inner ring. The inner wall of the outer ring 12 is provided with a first outer raceway 12a, the outer wall of the large inner ring connecting column 112 is provided with a first inner raceway corresponding to the first outer raceway 12a, and the balls 13 are mounted between the first inner raceway and the first outer raceway 12a through the retainer 14.
The end face of the large inner ring flange 111 is provided with bolt holes 111a which are arranged in a penetrating manner, wheel bolts 16 are press-mounted in the bolt holes 111a, the head parts of the wheel bolts 16 are positioned on one side, such as the left side, of the end face of the large inner ring flange 111, namely the head parts of the wheel bolts 16 are positioned on one side of the large inner ring connecting column 112, and the screw rods of the wheel bolts 16 extend to the right side of the large inner ring flange 111 after penetrating through the bolt holes 111 a.
As shown in fig. 4, before the wheel bolt 16 is press-fitted, the right end surface of the large inner ring flange 111 has an inclined abdicating inclined surface 111b, the abdicating inclined surface 111b can completely cover the bolt hole 111a, and the abdicating inclined surface 111b is inclined from the center to the edge of the large inner ring flange 111 toward the head side of the wheel bolt 16, that is, the abdicating inclined surface 111b is positioned on the left side of the ideal plane a. Specifically, when the end surface of the large inner ring flange 111 is machined, the end surface of the large inner ring flange 111 is machined into an inclined surface from inside to outside.
As shown in fig. 3 and 5, after the wheel bolts 16 are press-fitted, the large inner ring flange 111 is deformed and warped to the right side, but due to the arrangement of the abdicating inclined surface 111b, the plane change caused by warping of the large inner ring flange 111 can be offset to a certain extent, and the plane change caused by the tiny protrusions at the position of the large inner ring flange 111 close to the bolt hole 111a can be offset to a certain extent. In practice, by controlling the inclination angle of the abdicating inclined plane 111b, the right end face of the large inner ring flange 111 can be ensured not to protrude out of the ideal plane a, and the flatness of the right end face of the large inner ring flange 111 of the hub bearing finished product can be ensured to meet the requirement, so that after the wheel bolt 16 is pressed, the end face of the large inner ring flange 111 does not need to be reworked, and the processing efficiency is improved.
In another preferred embodiment of the present invention, as shown in fig. 3, the hub bearing further includes a small inner ring 15 sleeved outside and fixedly connected to the large inner ring connection post 112, the small inner ring 15 is located between the outer ring 12 and the large inner ring 11 and is far away from the large inner ring flange 111, that is, the small inner ring 15 is located at the left end of the connection post 112. A second outer raceway 12b positioned on the left side of the first outer raceway 12a is arranged on the inner wall of the outer ring 12, a second inner raceway corresponding to the second outer raceway 12b is arranged on the outer wall of the small inner ring 15, and balls 13 are also arranged between the second inner raceway and the second outer raceway 12b through a retainer 14.
In the present embodiment, the small inner ring 15 and the large inner ring 11 are fixed by caulking, and a method of caulking the small inner ring 15 and the large inner ring 11 is conventional and will not be described in detail here.
In another preferred embodiment of the present invention, as shown in fig. 3, the hub bearing further comprises a first sealing structure 17 for preventing foreign matter from entering the ball 13 mounting cavity between the outer ring 12 and the large inner ring connecting post 112, and a second sealing structure 18 for preventing foreign matter from entering the ball 13 mounting cavity between the outer ring 12 and the small inner ring 15.
In the present embodiment, the first sealing structure 17 is a skeleton oil seal provided between the inner wall of the outer ring 12 and the outer wall of the large inner ring connecting column 112, or between the inner wall of the outer ring 12 and the end surface of the large inner ring flange 111; the second sealing structure 18 is a cover which is connected with the left end of the outer ring 12 in a sealing way, for example, the cover 18 is sealed with the outer ring 12 by a sealing ring.
In another preferred embodiment of the present invention, as shown in fig. 3, a measuring part 19 for measuring the condition of the hub bearing is disposed on the outer ring 12 or the large inner ring 11 in the housing 18, a harness hole 18a is disposed on the housing 18, a harness connected to the measuring part 19 can be disposed outside the housing 18 through the harness hole 18a, and the harness is hermetically connected to the harness hole 18a, for example, the harness is sealed to the harness hole 18a with a sealant.
In the present embodiment, the measuring piece 19 may be a ring gear, and the housing 18 is an ABS housing. The ABS housing is connected with a measuring sensor, and the number of teeth rotated by the annular gear 19 in unit time is measured and converted into the wheel rotating speed.
It should be noted that the measuring member 19 may also be a sensor, and the sensor includes, but is not limited to, one or more of a rotation speed sensor, a vibration sensor, a sound sensor, and a temperature sensor.
In fig. 3, the measuring part 19 is shown to be fixed on the small inner ring 15, however, the measuring part 19 may be fixed on the inner wall of the large inner ring connecting column 12 or the housing 18 according to actual requirements. The structure, connection mode and power supply mode of the measuring part 19 can be the prior art, and are not the innovation point of the utility model and are not described.
In the description herein, reference to the description of the terms "preferred embodiment," "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the utility model. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.
Claims (7)
1. A hub bearing with wheel bolts comprises a large inner ring with a flange plate, an outer ring with a flange plate, balls and a retainer, wherein the large inner ring is provided with a connecting column which is positioned on one side of the flange plate and extends outwards in the axial direction;
the end face of the large inner ring flange plate is provided with a bolt hole which penetrates through the large inner ring flange plate, a wheel bolt is arranged in the bolt hole in a pressing mode, the head of the wheel bolt is located on one side of the end face of the large inner ring flange plate, and a screw rod of the wheel bolt penetrates through the bolt hole and then extends to the other side of the large inner ring flange plate;
before the wheel bolt is pressed, the end face, away from the head of the wheel bolt, of the large inner ring flange plate is provided with a yielding inclined plane which is obliquely arranged, and the yielding inclined plane inclines to the side of the head of the wheel bolt from the center to the edge of the large inner ring flange plate.
2. The wheel hub bearing with wheel bolts of claim 1, wherein the head of the wheel bolt is located on one side of the large inner ring connecting column.
3. The hub bearing with the wheel bolt according to claim 1, further comprising a small inner ring sleeved outside the large inner ring connecting column and fixedly connected with the large inner ring connecting column, wherein the small inner ring is located between the outer ring and the large inner ring and is far away from the large inner ring flange, a second outer raceway is arranged on the inner wall of the outer ring, a second inner raceway corresponding to the second outer raceway is arranged on the outer wall of the small inner ring, and the balls are also arranged between the second inner raceway and the second outer raceway through a retainer.
4. A wheel hub bearing with wheel bolts according to claim 3, wherein the small inner ring is riveted to the large inner ring.
5. The wheel hub bearing with wheel bolts as claimed in claim 3 or 4, further comprising a first sealing structure for preventing foreign matter from entering the ball mounting cavity between the outer ring and the large inner ring connecting column, and a second sealing structure for preventing foreign matter from entering the ball mounting cavity between the outer ring and the small inner ring.
6. The wheel hub bearing with the wheel bolt of claim 5, wherein the first sealing structure is a framework oil seal arranged between the inner wall of the outer ring and the outer wall of the connecting column of the large inner ring, or between the inner wall of the outer ring and the end face of the flange of the large inner ring; the second sealing structure is a housing which is connected with the end part of the outer ring far away from the large inner ring flange in a sealing way.
7. The wheel hub bearing with wheel bolts of claim 6, wherein the outer ring or the large inner ring is provided with a measuring member located in the housing for measuring the state of the wheel hub bearing, the housing is provided with a wire harness hole, a wire harness connected with the measuring member can be located outside the housing through the wire harness hole, and the wire harness is connected with the wire harness hole in a sealing manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185746.6U CN215521627U (en) | 2021-05-31 | 2021-05-31 | Hub bearing with wheel bolts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121185746.6U CN215521627U (en) | 2021-05-31 | 2021-05-31 | Hub bearing with wheel bolts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215521627U true CN215521627U (en) | 2022-01-14 |
Family
ID=79805798
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121185746.6U Active CN215521627U (en) | 2021-05-31 | 2021-05-31 | Hub bearing with wheel bolts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215521627U (en) |
-
2021
- 2021-05-31 CN CN202121185746.6U patent/CN215521627U/en active Active
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