CN220198966U - Wheel structure and car - Google Patents

Abstract

The utility model provides a wheel structure and an automobile, and relates to the technical field of automobile parts, wherein the wheel structure comprises a wheel body and a hub bearing, a wheel center hole penetrating axially is formed in the wheel body, a positioning groove extending circumferentially and a guiding groove extending axially are formed in the wall of the wheel center hole, the positioning groove is communicated with the guiding groove, a flange matched with the wheel center hole is arranged at one axial end of the hub bearing, a positioning boss is arranged on the circumferential outer side wall of the flange, the cross section size of the positioning boss is smaller than or equal to that of the guiding groove, and the positioning boss is used for entering the positioning groove from the guiding groove. According to the wheel structure, the positioning grooves on the wheel body and the positioning bosses of the hub bearing are used for inserting and positioning, so that the wheel body is effectively limited to be directly separated from the hub bearing before the wheel bolts are assembled or after the wheel bolts are disassembled, and high-precision positioning assembly can be realized without assistance of auxiliary tools.

Description

Wheel structure and car

Technical Field

The utility model relates to the technical field of automobile parts, in particular to a wheel structure and an automobile.

Background

The wheels of the automobile perform the functions of carrying and moving and are usually connected with a hub bearing. The existing mounting mode of the automobile wheel and the hub bearing is generally as follows: the axial flange of the hub bearing is inserted into the central hole of the wheel, and then the hub bearing is fixedly connected with the wheel through the wheel bolt. Because the hub bearing is generally in clearance fit with the central hole of the wheel, the positioning accuracy is poor, the positioning is assisted by other tools, and the wheel is easy to drop from the hub bearing before or after the wheel bolt is mounted or dismounted, so that operators can be injured by crashing.

Disclosure of Invention

The utility model aims to solve the technical problems that the existing wheel and hub bearing are poor in assembly and positioning precision and the wheel is easy to fall off.

In a first aspect, the utility model provides a wheel structure, which comprises a wheel body and a hub bearing, wherein a wheel center hole penetrating along the axial direction is formed in the wheel body, a positioning groove extending along the circumferential direction and a guide groove extending along the axial direction are formed in the wall of the wheel center hole, the positioning groove is communicated with the guide groove, a flange matched with the wheel center hole is arranged at one axial end of the hub bearing, a positioning boss is arranged on the circumferential outer side wall of the flange, the cross section size of the positioning boss is smaller than or equal to the cross section size of the guide groove, and the positioning boss is used for entering the positioning groove from the guide groove.

Compared with the prior art, the wheel structure provided by the utility model has at least the following advantages:

through set up along the locating groove of circumference extension and along the guiding gutter of axial extension on the pore wall of the wheel centre bore of wheel body, guiding gutter and locating groove intercommunication each other set for the position boss at the circumference of wheel hub bearing's flange, wheel centre bore in wheel body and wheel hub bearing can be aligned with the flange on the wheel hub bearing earlier when installing, and the guiding gutter on the wheel body aligns with the positioning boss on the wheel hub bearing, afterwards make the wheel body continue along axial displacement, so that the flange inserts the wheel centre bore, because the cross section size of positioning boss is less than or equal to the cross section size of guiding gutter, make the positioning boss can insert the guiding gutter smoothly, until getting into the locating groove, afterwards follow clockwise or anticlockwise rotation wheel body again, make the positioning boss keep away from the guiding gutter, avoid the positioning boss to break away from the guiding gutter, thereby realize the grafting location of wheel body's locating groove and wheel hub bearing's positioning boss, effectively restrict before installing the wheel bolt or tear the wheel body break away from wheel hub bearing directly, can realize high accuracy location assembly with the help of not having to help the appurtenance. When the wheel body is required to be disassembled, the wheel body is only required to be rotated in the reverse direction, the positioning boss corresponds to the guide groove, and then the wheel body is pulled out in the axial direction.

Optionally, the positioning groove is an arc groove, two ends of the positioning groove are closed to form circumferential positioning parts respectively, and the circumferential positioning parts are used for being abutted with the positioning boss.

Optionally, an axial end face of the wheel body is provided with drainage grooves circumferentially distributed along the wheel center hole, and the number of the drainage grooves is greater than that of the guide grooves, wherein a part of the drainage grooves are communicated with the corresponding guide grooves at one end, close to the wheel center hole, of the drainage grooves, and the rest of the drainage grooves are communicated with the wheel center hole through communication grooves extending along the axial direction at one end, close to the wheel center hole.

Optionally, the cross-sectional dimension of the positioning boss is larger than the cross-sectional dimension of the communication groove.

Optionally, the drainage groove is in smooth transition connection with the guide groove.

Optionally, the positioning boss and the guide groove are respectively provided with two guide grooves, and the guide groove and the communication groove are arranged at intervals.

Optionally, the wheel structure further comprises a connecting piece, the wheel body is further provided with a first connecting hole penetrating along the axial direction, the hub bearing is further provided with a second connecting hole penetrating along the axial direction, the first connecting hole and the second connecting hole are correspondingly arranged, and the connecting piece penetrates through the first connecting hole and the second connecting hole.

Optionally, a plurality of the first connection holes are distributed around the wheel center hole, a plurality of the second connection holes are distributed around the flange, and/or the first connection holes and the drain grooves are alternately arranged along the circumferential direction of the wheel body.

In a second aspect, the present utility model provides an automobile comprising the wheel structure described above. Compared with the prior art, the automobile has the advantages that the structure of the automobile is the same as that of the automobile, and the description is omitted.

Optionally, the automobile further comprises a steering knuckle, and the wheel body of the wheel structure is connected with the steering knuckle through a hub bearing.

Drawings

FIG. 1 is a schematic illustration of a wheel structure according to an embodiment of the present utility model;

FIG. 2 is an exploded view of a wheel structure according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a partial structure of a wheel body according to an embodiment of the present utility model;

FIG. 4 is a schematic view of a hub bearing according to an embodiment of the present utility model;

fig. 5 is a schematic view showing a wheel structure and a steering knuckle mounting structure according to an embodiment of the present utility model.

Reference numerals illustrate:

1. a wheel body; 11. a wheel center hole; 12. a positioning groove; 13. a guide groove; 14. a drainage channel; 15. a communication groove; 16. a first connection hole; 2. a hub bearing; 21. a flange; 22. positioning the boss; 23. a second connection hole; 3. and a knuckle.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "coupled," and "mated" are to be construed broadly, and may be, for example, fixedly coupled, detachably coupled, or integrally coupled; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those skilled in the art according to the specific circumstances.

In addition, in the description of the present utility model, it should be noted that terms such as "upper", "lower", "front", "rear", etc. in the embodiments indicate terms of orientation, and only for simplifying the positional relationship of the description based on the drawings of the specification, it does not represent that the elements and devices etc. referred to must be operated according to the operations and methods and configurations defined in the specific orientation and limitation of the present utility model, and such orientation terms do not constitute limitations of the present utility model.

Herein, a coordinate system XYZ is established, wherein an X-axis represents a front-rear direction of the automobile, a forward direction of the X-axis represents a front of the automobile, a reverse direction of the X-axis represents a rear of the automobile, a Y-axis represents a left-right direction of the automobile, a forward direction of the Y-axis represents a right-hand direction of the automobile, and a Z-axis represents an up-down direction of the automobile, wherein a forward direction of the Z-axis represents an upper direction of the automobile, and a reverse direction of the Z-axis represents a lower direction of the automobile.

As shown in fig. 1-4, an embodiment of the present utility model provides a wheel structure, including a wheel body 1 and a hub bearing 2, where the wheel body 1 is provided with a wheel center hole 11 penetrating along an axial direction, a hole wall of the wheel center hole 11 is provided with a positioning groove 12 extending along a circumferential direction and a guiding groove 13 extending along an axial direction, the positioning groove 12 is communicated with the guiding groove 13, one axial end of the hub bearing 2 is provided with a flange 21 matched with the wheel center hole 11, a circumferential outer side wall of the flange 21 is provided with a positioning boss 22, a cross section dimension of the positioning boss 22 is smaller than or equal to a cross section dimension of the guiding groove 13, and the positioning boss 22 is used for entering the positioning groove 12 from the guiding groove 13.

Specifically, an automobile generally has four wheels, a left front wheel, a right front wheel, a left rear wheel, and a right rear wheel. The four wheels have the same structure. The axis of the wheel body 1 is along the direction shown by the Y axis, the wheel center hole 11 is a circular hole and is positioned at the right center position of the wheel body 1, one end of the wheel center hole 11 facing the inside of the vehicle is provided with a guide groove 13 extending along the axis direction of the wheel center hole, one end of the guide groove 13 is communicated with a positioning groove 12 extending along the circumferential direction, the axis of the hub bearing 2 is also along the direction shown by the Y axis, one end of the hub bearing 2 facing the outside of the vehicle is provided with a flange, the flange 21 can be of a cylindrical structure so as to be inserted into the wheel center hole 11, the cross section size of the guide groove 13 is larger than or equal to the cross section size of the positioning boss 22, and the smooth insertion of the positioning boss 22 is ensured, and preferably, the cross section size of the guide groove 13 is larger than the cross section size of the positioning boss 22. Here, the cross-sectional dimension refers to a dimension in the XZ plane.

In this embodiment, when the wheel body 1 and the hub bearing 2 are installed, the wheel center hole 11 in the middle of the wheel body 1 is aligned with the flange 21 on the hub bearing 2, and the guide groove 13 on the wheel body is aligned with the positioning boss 22 on the hub bearing 2, then the wheel body 1 continues to move axially so as to enable the flange 21 to be inserted into the wheel center hole 11, and since the cross section size of the positioning boss 22 is smaller than or equal to the cross section size of the guide groove 13, the positioning boss 22 is smoothly inserted into the guide groove 13 until the positioning boss enters the positioning groove 12, and then the wheel body 1 is rotated clockwise or anticlockwise, so that the positioning boss 22 is away from the guide groove 13, and the positioning boss 22 is prevented from being separated from the guide groove 13, thereby realizing the plug-in positioning of the positioning groove 12 of the wheel body 1 and the positioning boss 22 of the hub bearing 2, effectively limiting the wheel body 1 to be directly separated from the hub bearing 2 before the wheel bolt is assembled or after the wheel bolt is disassembled, and high-precision positioning assembly can be realized without assistance of an auxiliary tool; when the wheel body 1 needs to be detached, the wheel body 1 only needs to be rotated in the reverse direction, so that the positioning boss 22 corresponds to the guide groove 13, and then the wheel body 1 is pulled out in the axial direction.

It should be noted that 1, two or other numbers of positioning bosses 22 may be provided, and the number of the guiding grooves 13 is the same as the number of the positioning bosses 22; the guide groove 13 and the positioning groove 12 may be U-shaped grooves, the openings of the guide groove 13 and the positioning groove 12 face the axial direction of the wheel body 1, and the groove walls of the guide groove 13 are smoothly connected; the guide groove 13 extends substantially in a direction parallel to the Y axis, and is inclined gradually in a direction from the inside of the wheel center hole 11 to the outside of the wheel center hole 11 in a direction away from the axial direction, so as to guide insertion of the positioning boss 22.

Alternatively, the positioning groove 12 is an arc groove, and two ends of the positioning groove 12 are closed to form circumferential positioning portions respectively, and the circumferential positioning portions are used for abutting against the positioning boss 22.

In this embodiment, the number of central angles corresponding to the positioning groove 12 may be any angle, and after the positioning boss 22 is inserted into the positioning groove 12 from the guiding groove 13, the wheel body 1 rotates to drive the positioning groove 12 to rotate relative to the positioning boss 22, so that the positioning boss 22 is far away from the guiding groove 13, and when the positioning boss 22 abuts against the circumferential positioning portion, rotation is stopped, so as to realize rotational positioning of the wheel body 1 and the hub bearing 2 along the circumferential direction.

In some embodiments, the positioning groove 12 may use an annular groove, that is, the positioning boss 22 may rotate in 360 ° direction in the positioning groove 12, and each side wall of the positioning groove 12 limits the movement of the positioning boss 22 in the axial and radial directions.

As shown in fig. 2-3, optionally, an axial end surface of the wheel body 1 is provided with a number of drainage grooves 14 distributed along the circumferential direction of the wheel center hole 11, the number of the drainage grooves 14 is greater than that of the guide grooves 13, wherein one end of the drainage groove 14 near the wheel center hole 11 is communicated with the corresponding guide groove 13, and the other end of the drainage groove 14 near the wheel center hole 11 is communicated with the wheel center hole 11 through a communication groove 15 extending along the axial direction.

Specifically, the water drain grooves 14 are used for draining water on the wheel body 1, and the water drain grooves 14 may be provided in a plurality, for example, four, five, or six, and may be generally provided, and a suitable number may be set according to the size of the wheel body 1, and the water drain grooves 14 may be formed by recessing an end of the wheel body 1 toward the inside of the vehicle. The communication groove 15 is disposed on the wall of the wheel center hole 11, and has a U-shaped groove structure with an opening facing the axial direction of the wheel center hole 11.

In this embodiment, a part of the water draining grooves 14 is communicated with one end of the guiding groove 13 away from the positioning groove 12, the guiding groove 13 not only plays a guiding role when the positioning boss 22 is inserted into the positioning groove 12, but also plays a role of guiding the water flow in the water draining grooves 14 to the wheel center hole 11 for draining, and one end of the remaining water draining grooves 14 close to the wheel center hole 11 is communicated with the wheel center hole 11 through the communicating groove 15 to guide the water flow in the corresponding water draining grooves 14 to the wheel center hole 11 for draining.

It should be noted that, the drain groove 14 is formed with an opening near one end of the circumferential edge of the wheel body 1, and the water flow on the wheel body 1 is discharged outwards from the opening, so as to further improve the drainage efficiency and avoid rainwater accumulation.

Optionally, the cross-sectional dimension of the positioning boss 22 is larger than the cross-sectional dimension of the communication groove 15.

In this embodiment, the positioning boss 22 may be formed by protruding the flange 21 outward in the circumferential direction, the positioning boss 22 is an arc-shaped boss, the cross-sectional dimension refers to the dimension in the XZ plane, when the wheel body 1 drives the positioning groove 12 to rotate relative to the positioning boss 22, so that the positioning boss 22 corresponds to the communication groove 15, since the cross-sectional dimension of the positioning boss 22 is greater than the cross-sectional dimension of the communication groove 15, the positioning boss 22 will not deviate from the communication groove 15, and positioning stability of the wheel body 1 and the hub bearing 2 is ensured.

The cross-sectional dimension of the communicating groove 15 is smaller than the cross-sectional dimension of the positioning boss 22, but in order to secure the drainage effect, the cross-sectional dimension of the communicating groove 15 is not excessively small, and the width of the guide groove 13 is, for example, 9mm, the width of the positioning boss 22 is mm, and the width of the communicating groove 15 is 7mm.

Optionally, the drainage groove 14 is in smooth transition with the guide groove 13.

In this embodiment, the drainage groove 14 and the guide groove 13 can be in smooth transition connection through an arc structure, so as to ensure smooth flow of water.

As shown in fig. 3-4, alternatively, two positioning bosses 22 and two guiding grooves 13 are respectively provided, and the guiding grooves 13 are spaced from the communicating groove 15.

Specifically, the wheel body 1 may be provided with 4, 5, 6 water discharge grooves 14, and the description will be given by taking the case of providing 5 water discharge grooves 14. The 5 water discharge grooves 14 are respectively a first water discharge groove, a second water discharge groove, a third water discharge groove, a fourth water discharge groove and a fifth water discharge groove which are sequentially arranged, and the distribution space of each water discharge groove 14 is 72 degrees, wherein the first water discharge groove and the fourth water discharge groove are respectively communicated with the positioning groove 12 through corresponding guide grooves 13, the division space of each first water discharge groove and each fourth water discharge groove is 144 degrees, the fifth water discharge groove is arranged between one sides of the first water discharge groove and the fourth water discharge groove, the second water discharge groove and the third water discharge groove are arranged between the other sides, the arc-shaped positioning groove 12 is arranged between one sides of the second water discharge groove and the third water discharge groove, namely, two end parts of each positioning groove 12 are respectively communicated with the second water discharge groove and the third water discharge groove, and no positioning groove is arranged between the other sides of the second water discharge groove and the third water discharge groove.

In this embodiment, when the wheel body 1 is mounted on the hub bearing 2, the wheel center hole 11 is aligned with the flange 21, then the two guide grooves 13 are aligned with the two positioning bosses 22, the wheel body 1 is moved axially until the positioning bosses 22 are inserted into the guide grooves 13, at this time, the wheel body 1 is rotated clockwise or counterclockwise, when 72 ° of rotation, one of the positioning bosses 22 abuts against the circumferential positioning portion at one end of the positioning groove 12, circumferential rotation positioning of the wheel body 1 is achieved, the other positioning boss 22 rotates to correspond to the communication groove 15, the cross-sectional dimension of the positioning boss 22 is larger than that of the communication groove 15, and the wheel body 1 is not pulled out from the communication groove 15, and when the wheel body 1 needs to be detached, only the wheel body 1 is required to be rotated counterclockwise or clockwise by 72 ° so that the positioning boss 22 corresponds to the guide groove 13, and the wheel body 1 is pulled out. Of course, in other embodiments, the circumferential length or the end position of the positioning groove 12 may also be changed, and the rotation angle of the wheel body 1 may be correspondingly changed.

In some embodiments, only one positioning boss 22 and one guiding groove 13 may be provided, the positioning principle of the wheel body 1 and the hub bearing 2 being similar to the above.

As shown in fig. 2-4, optionally, the wheel structure further includes a connecting member, the wheel body 1 is further provided with a first connecting hole 16 penetrating in an axial direction, the hub bearing 2 is further provided with a second connecting hole 23 penetrating in an axial direction, the first connecting hole 16 and the second connecting hole 23 are correspondingly arranged, and the connecting member passes through the first connecting hole 16 and the second connecting hole 23.

In this embodiment, the first connecting hole 16 may be a threaded hole, the second connecting hole 23 may be a threaded hole, the connecting piece may be a wheel bolt, the wheel bolt passes through the first connecting hole 16 and the second connecting hole 23 in order to connect and fix the wheel body 1 with the hub bearing 2, compared with the existing hub bearing 2, through the flange, the hub bolt and the wheel center hole, bolt hole positioning fit, the scheme of the fixed wheel nut of rethread, the application adopts the positioning mode of positioning boss and positioning groove, the rethread wheel bolt is fixed, the use of the wheel nut can be reduced, the spare part is fewer, the assembly is simple, and the influence on the overall dynamic balance of the wheel structure is small.

When the wheel body 1 is assembled, the wheel body 1 and the hub bearing 2 are positioned by utilizing the positioning groove 12 and the positioning boss 22, then the wheel bolts are inserted for fastening, and when the wheel body 1 needs to be disassembled, the wheel bolts are disassembled first and then the wheel body 1 is rotated and pulled out.

As shown in fig. 2 to 3, optionally, a plurality of the first connection holes 16 are distributed around the wheel center hole 11, a plurality of the second connection holes 23 are distributed around the flange 21, and/or the first connection holes 16 and the drain grooves 14 are alternately arranged in the circumferential direction of the wheel body 1.

In this embodiment, the number of the first connection holes 16 is consistent with the number of the drainage grooves 14, and according to the size of the wheel body 1, 5 first connection holes 16 and 5 drainage grooves 14 may be provided, where the first connection holes 16 are distributed around the wheel center hole 11, or further, the first connection holes 16 and the drainage grooves 14 are alternately arranged along the circumferential direction, so that the connection stability is good, the stress is more balanced, and the drainage is uniform.

Another embodiment of the present utility model provides an automobile, including the above wheel structure. The advantages of the vehicle compared to the prior art are the same as the above-mentioned wheel structure, and the description thereof will not be repeated.

As shown in fig. 5, the vehicle optionally further comprises a knuckle 3, the wheel body 1 of the wheel structure being connected to the knuckle 3 by means of a hub bearing 2. In this embodiment, the hub bearing 2 may be connected to the knuckle 3 by a bolt, and the connection manner is simple.

Although the utility model is disclosed above, the scope of the utility model is not limited thereto. Various changes and modifications may be made by one skilled in the art without departing from the spirit and scope of the utility model, and these changes and modifications will fall within the scope of the utility model.

Claims (10)

1. The utility model provides a wheel structure, its characterized in that includes wheel body (1) and wheel hub bearing (2), be equipped with on wheel body (1) along axial run-through's wheel centre bore (11), be equipped with on the pore wall of wheel centre bore (11) along circumference extension's constant head tank (12) and along axial extension's guide way (13), constant head tank (12) with guide way (13) intercommunication, the axial one end of wheel hub bearing (2) be equipped with wheel centre bore (11) assorted flange (21), the circumference lateral wall of flange (21) is equipped with location boss (22), the cross section size of location boss (22) is less than or equal to the cross section size of guide way (13), location boss (22) are used for follow guide way (13) get into constant head tank (12).

2. The wheel structure according to claim 1, wherein the positioning groove (12) is an arc-shaped groove, and both end portions of the positioning groove (12) are closed to form circumferential positioning portions for abutting with the positioning boss (22), respectively.

3. The wheel structure according to claim 2, characterized in that an axial one end face of the wheel body (1) is provided with drainage grooves (14) distributed circumferentially along the wheel center hole (11), the number of the drainage grooves (14) is larger than the number of the guide grooves (13), wherein a part of one end of the drainage grooves (14) close to the wheel center hole (11) communicates with the corresponding guide groove (13), and the other end of the drainage grooves (14) close to the wheel center hole (11) communicates with the wheel center hole (11) through a communication groove (15) extending axially.

4. A wheel structure according to claim 3, wherein the positioning boss (22) has a cross-sectional dimension larger than that of the communication groove (15).

5. A wheel construction according to claim 3, characterized in that the drainage channel (14) is in smooth transition with the guide channel (13).

6. A wheel structure according to claim 3, wherein two positioning bosses (22) and two guide grooves (13) are provided, respectively, and the guide grooves (13) are provided at intervals from the communication grooves (15).

7. A wheel structure according to claim 3, further comprising a connecting member, wherein the wheel body (1) is further provided with a first connecting hole (16) penetrating in an axial direction, the hub bearing (2) is further provided with a second connecting hole (23) penetrating in an axial direction, the first connecting hole (16) and the second connecting hole (23) are correspondingly arranged, and the connecting member penetrates through the first connecting hole (16) and the second connecting hole (23).

8. Wheel structure according to claim 7, wherein a plurality of the first connection holes (16) are distributed around the wheel center hole (11), a plurality of the second connection holes (23) are distributed around the flange (21), and/or the first connection holes (16) and the drain grooves (14) are alternately arranged in the circumferential direction of the wheel body (1).

9. An automobile comprising a wheel structure according to any one of claims 1 to 8.

10. The vehicle according to claim 9, characterized in that it further comprises a knuckle (3), the wheel body (1) of the wheel structure being connected to the knuckle (3) by means of a hub bearing (2).