Wheel

Abstract

The invention provides a wheel which comprises an outer spoke, an inner spoke and a rim, the outer spoke and the inner spoke are sequentially and fixedly connected with the inner wall of the rim in the axis direction of the rim, a plurality of mounting through holes are formed in the outer spoke, a plurality of connecting through holes are formed in the inner spoke, and the connecting through holes correspond to the mounting through holes in position in a one-to-one mode. And the outer spoke is fixedly connected with the inner spoke at the connecting through holes and the corresponding mounting through holes. According to the wheel, the hub spoke part is of a double-layer structure formed by combining the outer spoke and the inner spoke, and the multiple connecting sleeves are arranged at the positions needing to be connected, so that the outer spoke and the inner spoke do not need to bear too much torque, the lateral rigidity of the wheel can be remarkably improved, meanwhile, the material of the hub spoke of the wheel and the total weight of the wheel can be reduced, and the service life of the wheel is prolonged. Therefore, the material cost of the wheel is reduced, and light weight of a vehicle is achieved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of automobile equipment, in particular to a vehicle wheel. BACKGROUND

[0002] In the field of automobile manufacturing, in order to reduce the weight of the vehicle wheel, the hub spoke part of the vehicle wheel is often replaced by a metal with lower density than steel, such as aluminum alloy material. However, the aluminum alloy hub spoke structure often cannot withstand the lateral torque of the axle when the vehicle wheel turns, and if the thickness of the hub is increased to improve its torsional strength, the material cost will be too high.

[0003] Therefore, how to provide a vehicle wheel with low material cost and high lateral stiffness has become a technical problem to be solved in the field. SUMMARY

[0004] The present application aims to solve one of the technical problems in the related art to some extent. To this end, the present application provides a vehicle wheel which has low material cost, light weight and high lateral stiffness.

[0005] To achieve the above-mentioned purpose, the present application provides a vehicle wheel, wherein the vehicle wheel comprises an outer spoke, an inner spoke and a rim, the outer spoke and the inner spoke are fixedly connected to the inner wall of the rim along the axial direction of the rim in sequence, the outer spoke has a plurality of mounting through holes, the inner spoke has a plurality of connecting through holes, and the plurality of connecting through holes and the plurality of mounting through holes are one-to-one corresponding, and the outer spoke and the inner spoke are fixedly connected at the connecting through hole and the corresponding mounting through hole.

[0006] Optionally, the vehicle wheel further comprises a plurality of connecting sleeves, the plurality of connecting sleeves correspond one-to-one to the plurality of connecting through holes, the plurality of connecting sleeves are fixedly arranged between the outer spoke and the inner spoke, and the first end of the connecting sleeve is in communication with the corresponding mounting through hole, and the second end of the connecting sleeve is in communication with the corresponding connecting through hole.

[0007] Optionally, the connecting sleeve comprises a sleeve body and a first positioning boss, the first positioning boss is arranged on the outer side surface of the sleeve body and located at the first end of the connecting sleeve, and the first positioning boss protrudes radially from the outer edge of the mounting through hole; the first positioning boss abuts against the outer spoke on the outer side of the outer spoke, or the first positioning boss abuts against the outer spoke on the inner side of the outer spoke.

[0008] Optionally, the connecting sleeve comprises a sleeve body and a second positioning boss, the second positioning boss is arranged on the outer surface of the sleeve body and located at the second end of the connecting sleeve, the second positioning boss protrudes radially from the outer edge of the connecting through hole; the second positioning boss abuts against the inner spoke outside or inside.

[0009] Optionally, the inner edge of one of the connecting through hole and the corresponding mounting through hole is raised towards the other one of the connecting through hole and the corresponding mounting through hole, so that the outer spoke and the inner spoke are connected through the connecting through hole and the mounting through hole.

[0010] Optionally, the inner edge of the connecting through hole is raised towards the mounting through hole.

[0011] Optionally, the wheel further comprises a lateral reinforcing member, the middle part of the inner spoke is formed with an inner middle hole, a plurality of connecting through holes are distributed around the inner middle hole, the lateral reinforcing member is arranged in the inner middle hole, and one end of the lateral reinforcing member towards the rim is formed with an axle opening.

[0012] Optionally, the middle part of the outer spoke is formed with an outer middle hole, and a plurality of mounting through holes are distributed around the outer middle hole, both ends of the lateral reinforcing member are fixedly connected with the outer spoke and the inner spoke respectively, and the lateral reinforcing member communicates the outer middle hole with the inner middle hole.

[0013] Optionally, a plurality of spoke air holes are formed on the wheel, and the plurality of spoke air holes comprise a plurality of inner spoke air holes and a plurality of outer spoke air holes corresponding to the plurality of inner spoke air holes, the plurality of outer spoke air holes are arranged on the outer spoke and distributed around the axis of the rim, the plurality of inner spoke air holes are arranged on the inner spoke and distributed around the axis of the rim, and the inner spoke air hole communicates with the corresponding outer spoke air hole.

[0014] Optionally, the outer spoke is recessed inwardly at the edge region of the outer spoke air hole, and the outer spoke is connected with the edge of the corresponding inner spoke air hole on the inner spoke at the edge of the outer spoke air hole.

[0015] Optionally, the outer spoke is connected with the edge of the inner spoke air hole on the inner spoke at the edge of the outer spoke air hole by welding.

[0016] Optionally, one of the outer spoke and the inner spoke is folded outwardly at the corresponding spoke air hole edge region towards the opposite spoke air hole, and is fitted with the outer surface of the opposite spoke, so as to fixedly connect the outer spoke with the inner spoke.

[0017] Optionally, one of the outer spoke and the inner spoke has a plurality of first buckling portions at edges of the corresponding spoke air hole, the other of the outer spoke and the inner spoke has a plurality of second buckling portions at edges of the corresponding spoke air hole, and the plurality of first buckling portions and the plurality of second buckling portions are buckled one by one to fix and connect the outer spoke and the inner spoke.

[0018] Optionally, an annular groove extending around an axis of the rim is formed on the rim, the annular groove is recessed towards the inside of the rim and forms an annular inner boss on the inner wall of the rim, an edge of the outer spoke is fixedly connected with an edge of one end of the rim, and an edge of the inner spoke is fixedly connected with the annular inner boss.

[0019] Optionally, the inner spoke comprises a hub portion, a recessed portion and a connecting cylinder, a plurality of the connecting through holes are formed on the hub portion, the connecting cylinder is annularly arranged outside the hub portion, the recessed portion is connected between the hub portion and the connecting cylinder, and the recessed portion is recessed towards one side of the outer spoke, a plurality of inner spoke air holes are formed on the recessed portion, and an outside surface of the connecting cylinder is in abutment with and fixedly connected with the annular inner boss.

[0020] Optionally, the outer spoke and the inner spoke are formed in one piece.

[0021] Optionally, a containing cavity is formed between the outer spoke and the inner spoke, and the wheel further comprises sound-absorbing and noise-reducing material filled in the containing cavity.

[0022] In the wheel provided by the application, the hub spoke portion adopts a double-layer structure of the outer spoke and the inner spoke, the corresponding connecting through holes and mounting through holes are in communication and form a space for mounting a fastener (for example, a mounting screw) to pass through. When the wheel is fixedly connected with an axle, the fastener passes through the space and is fixed on the axle. When the vehicle is turning, the torque transmitted by the axle first acts on the connection between the connecting through hole and the corresponding mounting through hole, and then exerts a force on the outer spoke and the inner spoke, thereby driving the rim on the outer side to rotate. In this process, the connection between the connecting through hole and the mounting through hole respectively exerts a force on the outer spoke and the inner spoke, which is mainly along the radial direction, so that the thin-walled outer spoke and the thin-walled inner spoke do not need to bear too much torque, which can significantly improve the lateral stiffness of the wheel and prolong the service life of the wheel. BRIEF DESCRIPTION OF DRAWINGS

[0023] The application will be further described below with reference to the drawings:

[0024] Figure 1 is a schematic view of the cross-sectional structure of the wheel provided by the embodiment of the application;

[0025] Figure 2is a disassembled structure schematic view of a wheel provided by an embodiment of the present application;

[0026] Figure 3 is a side structure schematic view of a wheel provided by an embodiment of the present application;

[0027] Figure 4 is Figure 3 is a cross-sectional structure schematic view of a wheel in the M-M direction;

[0028] Figure 5 is a connection relationship schematic view of an upper spoke and a lower spoke in a wheel provided by an embodiment of the present application;

[0029] Figure 6 is a connection relationship schematic view of an upper spoke and a lower spoke in a wheel provided by an embodiment of the present application;

[0030] Figure 7 is Figure 6 is a local enlarged schematic view of a structure in the A area;

[0031] Figure 8 is a connection relationship schematic view of an upper spoke and a lower spoke in a wheel provided by another embodiment of the present application;

[0032] Figure 9 is Figure 8 is a local enlarged schematic view of a structure in the B area;

[0033] Figure 10 is a connection relationship schematic view of a lower spoke and a rim in a wheel provided by an embodiment of the present application;

[0034] Figure 11 is Figure 10 is a local enlarged schematic view of a structure in the C area;

[0035] Figure 12 is a structure schematic view of a connecting sleeve in a wheel provided by an embodiment of the present application;

[0036] Figures 13 to 16 is a mounting process schematic view of a connecting sleeve in a wheel provided by an embodiment of the present application;

[0037] Figure 17 is a cross-sectional structure schematic view of a wheel provided by another embodiment of the present application;

[0038] Figure 18 is a cross-sectional structure schematic view of a wheel provided by another embodiment of the present application;

[0039] Figure 19 is a cross-sectional structure schematic view of a wheel provided by another embodiment of the present application;

[0040] Figure 20is a force analysis schematic diagram of each component in the wheel provided by the embodiment of the present application;

[0041] Figure 21 is a schematic diagram of another embodiment of the wheel provided by the embodiment of the present application.

[0042] Legend:

[0043] outer spoke 100; mounting through hole 101; outer center hole 102; outer spoke air hole 103; process bevel 104; spoke ridge 105; process recess 106; process bevel ridge 107; second air hole 108; inner spoke 200; connecting through hole 201; inner center hole 202; inner spoke air hole 203; hub part 210; recess part 220; connecting barrel 230; rim 300; annular groove 310; first air hole 311; first flared section 320; second flared section 330; connecting sleeve 400; mounting section 410; connecting section 420; guide section 430; annular outer boss 440; annular positioning groove 450; positioning step face alpha; positioning step face beta; lateral reinforcement 500; first clasp part 610; clasp bent part 611; clasp groove 612; second clasp part 620; second lug 621; mating protrusion 622; air guide 710; plugging member 720; sound-absorbing and noise-reducing material 800. DETAILED DESCRIPTION

[0044] Embodiments of the present application are described in detail below with reference to examples illustrated in the accompanying drawings, in which the same or similar reference numerals are used throughout to designate the same or similar elements or elements having the same or similar functions. Based on the embodiments in the embodiments, it is intended to explain the present application, and cannot be understood as a limitation on the present application.

[0045] In this specification, "one embodiment" or "an embodiment" or "example" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present disclosure. The appearance of the phrase "in one embodiment" in various places in the specification is not necessarily all referring to the same embodiment.

[0046] To solve the above technical problems, as one aspect of the present application, a wheel is provided, as shown in Figures 1 to 6 , Figure 8 , Figure 21 As shown in the figure, the wheel comprises an outer spoke 100, an inner spoke 200, and a rim 300, the outer spoke 100 and the inner spoke 200 are fixedly connected to the inner wall of the rim 300 along the axial direction of the rim 300 in sequence, the outer spoke 100 has a plurality of mounting through holes 101, the inner spoke 200 has a plurality of connecting through holes 201, and the plurality of connecting through holes 201 and the plurality of mounting through holes 101 are one-to-one corresponding in position, the outer spoke 100 and the inner spoke 200 are fixedly connected at the connecting through hole 201 and the corresponding mounting through hole.

[0047] In the wheel provided by the present application, the hub spoke part adopts a double-layer structure combining the outer spoke 100 and the inner spoke 200, the corresponding connecting through holes 201 and mounting through holes 101 are in communication, and a space for mounting a fastener (for example, a mounting screw) to pass through is formed. When the wheel is fixedly connected with the axle, the fastener passes through the space and is fixed on the axle. When the vehicle turns, the torque transmitted by the axle first acts on the connection between the connecting through hole 201 and the corresponding mounting through hole 101, and then exerts a force on the outer spoke 100 and the inner spoke 200, thereby driving the outer rim 300 to rotate. In this process, the connection between the connecting through hole 201 and the mounting through hole 101 respectively exerts a force on the outer spoke 100 and the inner spoke 200, which is mainly along the radial direction, so that the thin-walled outer spoke 100 and the thin-walled inner spoke 200 do not need to bear too much torque, which can significantly improve the lateral stiffness of the wheel and prolong the service life of the wheel.

[0048] For example, as shown in Figure 20 When the vehicle turns left, the axle exerts a torque on the wheel under the action of the bending moment T, at this time the outer spoke 100 exerts a radial forward force F1 on the rim 300, and the inner spoke 200 exerts a radial backward force F2 on the rim 300, thereby driving the wheel rim 300 to rotate. In the present application, the outer spoke 100 and the inner spoke 200 are distributed in the axial direction, so that when the wheel is twisted, each single spoke component (the outer spoke 100 and the inner spoke 200) bears a force mainly along the radial direction, which will not generate a large lateral torque on the single spoke component, thereby ensuring the lateral stiffness of the wheel, ensuring that the wheel can bear the torque acting on the wheel when the vehicle turns, and prolonging the service life of the wheel.

[0049] Moreover, the outer spoke 100 and the inner spoke 200 are arranged in an axial interval, and the space between them is a cavity structure, so that the bending and torsional stress can be reduced while the material of the wheel hub spoke and the total weight of the wheel are reduced, thereby reducing the material cost of the wheel and being conducive to realizing the lightweight of the vehicle.

[0050] It should be noted that although the above describes that the outer spoke 100 and the inner spoke 200 are fixedly connected at the connecting through hole 201 and the corresponding mounting through hole 101, the wheel is not only fixedly connected at the connecting through hole 201 and the mounting through hole 101, but also fixedly connected at other positions (for example, the edges of the outer spoke, the inner spoke, and the rim).

[0051] As an optional embodiment of the present application, the material of the outer spoke 100 is aluminum or aluminum alloy.

[0052] As an optional embodiment of the present application, the wall thickness of the outer spoke 100 is 0.05mm to 0.15mm.

[0053] As an optional embodiment of the present application, the wall thickness of the outer spoke 100 is 0.1 mm.

[0054] As an optional embodiment of the present application, the material of the inner spoke 200 is aluminum or aluminum alloy.

[0055] As an optional embodiment of the present application, the wall thickness of the inner spoke 200 is 0.05 mm to 0.15 mm.

[0056] As an optional embodiment of the present application, the wall thickness of the inner spoke 200 is 0.1 mm.

[0057] As an optional embodiment of the present application, the material of the rim 300 is steel.

[0058] As an optional embodiment of the present application, the wall thickness of the rim 300 is 0.05 mm to 0.15 mm.

[0059] As an optional embodiment of the present application, the wall thickness of the rim 300 is 0.1 mm.

[0060] As an optional embodiment of the present application, as shown in Figure 3 , the plurality of mounting through holes 101 are distributed at equal intervals around the axis of the rim 300, and the plurality of connecting through holes 201 are distributed at equal intervals around the axis of the rim 300.

[0061] As an optional embodiment of the present application, as shown in Figure 3 , the plurality of mounting through holes 101 are distributed at equal intervals around the axis of the rim 300, and the plurality of connecting through holes 201 are distributed at equal intervals around the axis of the rim 300.

[0062] In the embodiment of the present application, the plurality of connecting through holes 201 are uniformly distributed circumferentially to ensure the uniformity of the load borne by the hub spoke in the circumferential direction, and further ensure the service life of the wheel.

[0063] As an optional embodiment of the present application, as shown in Figure 3 , the diameter d1 of the concentric circle on which the axes of the plurality of mounting through holes 101 are distributed around the axis of the rim 300 is 80 mm to 120 mm.

[0064] As an optional embodiment of the present application, as shown in Figure 3 , the diameter d1 of the concentric circle on which the axes of the plurality of mounting through holes 101 are distributed around the axis of the rim 300 is 100 mm.

[0065] In the embodiment of the present application, no special limitation is made on how to fixedly connect the connecting through hole 201 and the corresponding mounting through hole 101. As an optional embodiment, as shown in Figure 1As shown, the wheel comprises a plurality of connecting sleeves 400, which are fixedly arranged between the outer spoke 100 and the inner spoke 200, and the first end of the connecting sleeve 400 is in communication with the mounting through hole 101, and the second end of the connecting sleeve 400 is in communication with the corresponding connecting through hole 201.

[0066] Specifically, a plurality of connecting sleeves 400 are arranged at the position (i.e. the central hub portion 210) where the mounting fastener is required to be connected with the wheel shaft, and the two ends of the connecting sleeve 400 are connected with the outer spoke 100 and the inner spoke 200 respectively, so that the torque transmitted by the wheel shaft during the steering of the vehicle first acts on the connecting sleeve 400, and then the sleeve applies the acting force to the outer spoke 100 and the inner spoke 200, and further drives the outer rim 300 to rotate, in this process, the sleeve applies the mainly radial acting force to the outer spoke 100 and the inner spoke 200 respectively, so that the thin-walled outer spoke 100 and the inner spoke 200 do not need to bear too much torque, which can significantly improve the lateral stiffness of the wheel and prolong the service life of the wheel.

[0067] In the embodiment of the present application, the specific number of the mounting through hole 101, the connecting through hole 201 and the connecting sleeve is not specially limited. As an optional embodiment of the present application, as shown in Figure 3 The wheel comprises four connecting sleeves 400, four mounting through holes 101 and four connecting through holes 201.

[0068] In the embodiment of the present application, the structure of the connecting sleeve 400 is not specially limited, as long as it can fixedly connect the outer spoke 100 and the inner spoke 200 and will not be detached from the mounting through hole 101 and the connecting through hole 201. For example, the connecting sleeve 400 can be a tubular member, which is fixed in the mounting through hole 101 and the connecting through hole 201 by interference fit.

[0069] As an optional embodiment of the present application, as shown in Figure 2 and Figure 12 The connecting sleeve 400 comprises a sleeve body 403 and a first positioning boss 401. The first positioning boss 401 is arranged on the outer side surface of the sleeve body 403 and located at the first end of the connecting sleeve 400. It should be noted that the first positioning boss 401 protrudes radially from the outer edge of the mounting through hole 101.

[0070] The first positioning boss 401 abuts against the outer spoke 100 on the outer side of the outer spoke 100 (the side away from the inner spoke 200), or the first positioning boss 401 abuts against the outer spoke 100 on the inner side of the outer spoke 100 (the side towards the inner spoke 200).

[0071] The first positioning boss 401 is arranged on the outer side of the outer spoke 100 and abuts against the outer spoke 100. The orientation of the positioning end surface α of the first positioning boss 401 is the same as the orientation of the end surface of the first end of the connecting sleeve 400 (also the end surface of the sleeve body 403). When assembling the connecting sleeve 400 and the outer spoke 100, the connecting sleeve 400 is inserted into the corresponding mounting through hole 101 from the inner side of the outer spoke 100 until the positioning end surface α of the first positioning boss 401 abuts against the inner surface of the outer spoke 100.

[0072] In the embodiments of the present application, the size and arrangement of the first positioning boss 401 are not specially limited, as long as the first positioning boss 401 can prevent the connecting sleeve 400 from being pulled out of the mounting through hole 101. As an optional embodiment, the first positioning boss 401 is arranged around the sleeve body 403.

[0073] Similarly, in order to prevent the connecting sleeve 400 from being pulled out of the connecting through hole 201 of the inner spoke 200, the second end of the connecting sleeve 400 can be provided with a second positioning boss 402, as shown in FIG. 2B. Figure 4 Figure 12 The second positioning boss 402 is arranged on the outer side of the inner spoke 200 (the side away from the outer spoke 100) and abuts against the inner spoke 200, or the second positioning boss 402 is arranged on the inner side of the inner spoke 200 (the side towards the outer spoke 100) and abuts against the inner spoke 200.

[0074] The second positioning boss 402 is arranged on the outer side of the inner spoke 200 (the side away from the outer spoke 100) and abuts against the inner spoke 200, or the second positioning boss 402 is arranged on the inner side of the inner spoke 200 (the side towards the outer spoke 100) and abuts against the inner spoke 200.

[0075] The first positioning boss 401 is arranged on the outer side of the outer spoke 100 and abuts against the outer spoke 100. The orientation of the positioning end surface α of the first positioning boss 401 is the same as the orientation of the end surface of the first end of the connecting sleeve 400 (also the end surface of the sleeve body 403). When assembling the connecting sleeve 400 and the outer spoke 100, the connecting sleeve 400 is inserted into the corresponding mounting through hole 101 from the inner side of the outer spoke 100 until the positioning end surface α of the first positioning boss 401 abuts against the inner surface of the outer spoke 100.

[0076] The first positioning boss 401 is arranged on the outer side of the outer spoke 100 and abuts against the outer spoke 100. The orientation of the positioning end surface α of the first positioning boss 401 is the same as the orientation of the end surface of the first end of the connecting sleeve 400 (also the end surface of the sleeve body 403). When assembling the connecting sleeve 400 and the outer spoke 100, the connecting sleeve 400 is inserted into the corresponding mounting through hole 101 from the inner side of the outer spoke 100 until the positioning end surface α of the first positioning boss 401 abuts against the inner surface of the outer spoke 100.

[0077] ​In the embodiment of the present application, the specific structure and arrangement of the second positioning boss 402 are not particularly limited as long as the connecting sleeve 400 can be prevented from being pulled out of the connecting through hole 201. Alternatively, the second positioning boss 402 is arranged around the sleeve body 403. That is, the second positioning boss 402 has a positioning end face β which surrounds the outer side of the second end face of the connecting sleeve 400, the second end of the connecting sleeve 400 passes through the connecting through hole 201, and the inner spoke 200 is recessed inwardly at the edge region of the connecting through hole 201 (in the embodiment of the present application, the inner side of the outer spoke 100 and the inner spoke 200 refers to the side which points to the cavity between the outer spoke 100 and the inner spoke 200, and the outer side of the outer spoke 100 and the inner spoke 200 refers to the side which is away from each other) and abuts against the positioning end face β.

[0078] In the embodiment of the present application, the first end of the connecting sleeve 400 enters the mounting through hole 101, thereby achieving radial positioning by cooperating with the inner wall of the mounting through hole 101, and achieving axial positioning by abutting against the inner wall of the outer spoke 100 through the positioning end face α, and the positioning end face β of the second end serves as a positioning face in the riveting process, and the material around the connecting through hole 201 of the inner spoke 200 is recessed inwardly in the riveting process to ensure that the second end of the connecting sleeve 400 is stably fixed, thereby ensuring the connection strength between the connecting sleeve 400 and the outer spoke 100 and the inner spoke 200.

[0079] In the embodiment of the present application, the connecting sleeve 400 can include a sleeve body 403, a first positioning boss 401 arranged on the outer side surface of the first end of the sleeve body 403, and a second positioning boss 402 arranged on the outer side surface of the second end of the sleeve body 403.

[0080] As an optional embodiment of the present application, as shown in Figure 12 the inner hole of the connecting sleeve 400 includes a mounting section 410 which extends to the first end of the connecting sleeve 400 and a connecting section 420 which extends to the second end of the connecting sleeve 400, the cross-sectional dimension of the mounting section 410 is greater than that of the connecting section 420, and the inner hole of the connecting sleeve 400 has a fastening step face which faces the first end of the connecting sleeve 400 between the mounting section 410 and the connecting section 420, and the fastening step face is used to cooperate with the head of a threaded fastener (for example, a screw or a bolt).

[0081] In order to facilitate the fastener to enter the connecting section 420 from the mounting section 410, as an optional embodiment of the present application, as shown in Figure 12As shown, the inner hole of the connecting sleeve 400 also includes a guide section 430 connected between the mounting section 410 and the connecting section 420. The cross-sectional dimension of the end portion of the guide section 430 toward the second end of the connecting sleeve 400 corresponds to the cross-sectional dimension of the connecting section 420, and the cross-sectional dimension of the guide section 430 gradually increases in the direction toward the first end of the connecting sleeve 400, and the fastening step surface is located at the connection between the mounting section 410 and the guide section 430.

[0082] As an optional embodiment of the present invention, Figure 4 As shown, the diameter d2 of the connecting section 420 is 12 mm to 16 mm.

[0083] As an optional embodiment of the present invention, the diameter d2 of the connecting section 420 is 14 mm.

[0084] As an optional embodiment of the present invention, Figure 12 As shown, the outer surface of the first end of the connecting sleeve 400 has an annular outer boss 440 extending around the axis of the connecting sleeve 400 , and the surface of the annular outer boss 440 facing the first end of the connecting sleeve 400 is formed as a first positioning step surface α.

[0085] As an optional embodiment of the present invention, Figure 12 As shown, the second end of the connecting sleeve 400 has an annular positioning groove 450 extending around the axis of the connecting sleeve 400 , and the bottom surface of the annular positioning groove 450 is formed as a second positioning step surface β.

[0086] As another optional embodiment of the present invention, both ends of the connecting sleeve 400 can also be directly fixedly connected to the inner spoke 200 and the outer spoke 100. Specifically, as shown in FIG. Figure 1 As shown, the first end of the connecting sleeve 400 passes through the mounting through hole 101 and is fixedly connected to the outer spoke 100 ; the second end of the connecting sleeve 400 passes through the connecting through hole 201 and is fixedly connected to the inner spoke 200 .

[0087] In the embodiment of the present invention, there is no particular limitation on how to achieve the above-mentioned "fixed connection". For example, the "fixed connection" is welding.

[0088] It should be noted that the outer spoke 100 and the inner spoke 200 can be fixedly connected without the connecting sleeve 400. For example, the outer spoke 100 and the inner spoke 200 can be fixedly connected at the mounting through hole 101 and the connecting through hole 201 by means of riveting, flanging, etc.

[0089] Optionally, the inner edge of one of the connecting hole 201 and the corresponding mounting hole 101 is protruded towards the other one of the connecting hole 201 and the corresponding mounting hole 101, so that the outer spoke 100 and the inner spoke 200 are connected through the connecting hole 201 and the mounting hole 101.

[0090] In the embodiment shown in the figure, the inner edge of the connecting hole 201 is protruded towards the mounting hole 101.

[0091] It should be noted that at least a middle hole 202 is formed in the middle of the inner spoke 200 for inserting the axle into the middle hole 202.

[0092] In order to further improve the lateral stiffness of the wheel, as an optional embodiment of the present application, as shown in Figure 1 、 Figure 2 the wheel further comprises a lateral reinforcement 500, a middle hole 202 is formed in the middle of the inner spoke 200, a plurality of connecting holes 201 are distributed around the middle hole 202, the lateral reinforcement 500 is arranged in the middle hole 202, and one end of the lateral reinforcement 500 is formed with an axle opening towards the rim 300 for inserting the axle.

[0093] In the embodiment of the present application, the specific structure of the lateral reinforcement 500 is not specially limited. For example, the lateral reinforcement 500 can have a tubular structure, or a cylindrical structure with a bottom. It should be noted that when the lateral reinforcement 500 is a cylindrical structure with a bottom, the position opposite to the lateral reinforcement 500 on the outer spoke 100 is not provided with a hole, and the bottom of the lateral reinforcement 500 faces the outer spoke 100.

[0094] As another optional embodiment, a middle hole 102 is formed in the middle of the outer spoke 100, and a plurality of mounting holes 101 are distributed around the middle hole 102, a middle hole 202 is also formed in the inner spoke 200, and a plurality of connecting holes 201 are distributed around the middle hole 202, the two ends of the lateral reinforcement 500 are fixedly connected with the outer spoke 100 and the inner spoke 200 respectively, and the lateral reinforcement 500 communicates the middle hole 102 with the middle hole 202.

[0095] In the embodiment of the present application, how to realize the "fixed connection" of the above-mentioned lateral reinforcement 500 is not specially limited. For example, the two ends of the lateral reinforcement 500 are welded with the outer spoke 100 and the inner spoke 200 respectively.

[0096] As an optional embodiment of the present application, the outer diameter of the lateral reinforcement 500 is 50mm to 58mm.

[0097] As an optional embodiment of the present application, the outer diameter of the lateral reinforcement 500 is 54mm.

[0098] In order to further improve the lateral stiffness of the wheel, as an optional embodiment of the present invention, Figure 2 As shown, a plurality of spoke air holes are formed on the wheel, and the plurality of spoke air holes include a plurality of inner spoke air holes 203 and a second plurality of outer spoke air holes 103 corresponding one-to-one with the plurality of inner spoke air holes 203. In other words, the outer spokes 100 have a plurality of outer spoke air holes 103 distributed around the axis of the rim 300, and the inner spokes 200 have a plurality of inner spoke air holes 203 distributed around the axis of the rim 300, and the outer spoke air holes 103 are connected to the corresponding inner spoke air holes 203.

[0099] The outer spokes 100 are recessed inwardly at the edge of the outer spoke air holes 103 , and the outer spokes 100 are connected to the edges of the corresponding inner spoke air holes 203 on the inner spokes 200 at the edges of the outer spoke air holes 103 .

[0100] In an embodiment of the present invention, outer spoke air holes 103 and inner spoke air holes 203 are formed on the outer spokes 100 and the inner spokes 200 respectively. The outer spoke air holes 103 and the inner spoke air holes 203 are connected one-to-one, thereby forming air holes that pass through the hub spoke structure. While reducing the wheel material and achieving weight reduction and lowering material costs, the bending structure formed around the opening is used to further improve the lateral stiffness of the hub spokes, thereby improving the lateral stiffness of the wheel.

[0101] As another optional embodiment, the edges of the inner spoke air holes 203 and the edges of the corresponding outer spoke through holes 103 can be flatly attached and then fixed together by welding or other means.

[0102] As an optional embodiment of the present invention, Figure 3 As shown, the outer spoke 100 is indented inwardly at the edge of the outer spoke air holes 103 to form a process bevel 104 , and the area between the process bevels 104 of adjacent outer spoke air holes 103 is formed as a spoke ridge 105 .

[0103] In order to further improve the lateral stiffness of the wheel, as an optional embodiment of the present invention, Figure 3 As shown, the outer spoke 100 is further formed with an inwardly recessed process recess 106 on the side of the spoke ridge 105 away from the axis of the rim 300 , and the area between the process recess 106 and the process inclined surfaces 104 of the outer spoke air holes 103 on both sides forms a process inclined ridge 107 .

[0104] As an optional embodiment of the present invention, Figure 1 、 Figure 4 As shown, the outer spoke 100 is welded to the edge of the inner spoke air hole 203 of the inner spoke 200 at the edge of the outer spoke air hole 103 .

[0105] In other embodiments of the present application, the outer spoke 100 and the inner spoke 200 can also be connected to each other through buckling, bending covering or other ways, specifically:

[0106] As an optional embodiment of the present application, as shown in Figure 6 、 Figure 7 , one of the outer spoke 100 and the inner spoke 200 is folded outwardly at the edge of the corresponding spoke air hole to the outside of the air hole of the opposite spoke, and is attached to the outer surface of the opposite spoke, so as to fixedly connect the outer spoke 100 and the inner spoke 200.

[0107] As another optional embodiment of the present application, as shown in Figure 6 and Figure 7 , one of the outer spoke 100 and the inner spoke 200 has a plurality of first buckling parts 610 at the edge of the corresponding spoke air hole (as shown in the figure, the first buckling part 610 is located on the outer spoke 100), and the other of the outer spoke 100 and the inner spoke 200 has a plurality of second buckling parts 620 at the edge of the corresponding spoke air hole, the plurality of first buckling parts 610 and the plurality of second buckling parts 620 are buckled one by one to fixedly connect the outer spoke 100 and the inner spoke 200.

[0108] As an optional embodiment of the present application, as shown in Figure 7 , the first buckling part 610 includes a buckling bending part 611 and a buckling groove 612 formed on the opening bending part 611, and the second buckling 620 is in the form of a protrusion, which is inserted into the buckling groove 612.

[0109] As shown in Figure 8 and Figure 9 , the outer spoke 100 is inserted into the inner spoke air hole and forms a flange, which clamps the edge of the outer spoke air hole, so as to fixedly connect the inner spoke 200 and the outer spoke 100.

[0110] In other embodiments of the present application, the outer spoke 100 and the inner spoke 200 can also be formed integrally.

[0111] In the embodiments shown in Figure 10 and Figure 11 , the annular inner boss 440 has an inwardly protruding inner protrusion 311a, and the inner spoke 200 is bent and covered on the inner protrusion 311a at the corresponding area of the inner protrusion 311a, so as to fixedly connect the inner spoke 200 and the annular inner boss.

[0112] It should be pointed out that at the connection between the inner spoke 200 and the outer spoke 100, the way of "forming a bending in the area where the outer spoke 100 and the inner spoke 200 overlap, and the bending on the outer spoke 100 covering the bending on the inner spoke 200" can also be used.

[0113] like Figure 18 and Figure 19 As shown in , in an embodiment of the present invention, an accommodating cavity is formed between the outer spoke 100 and the inner spoke 200 , and accordingly, the wheel further includes a sound-absorbing and noise-reducing material filled in the accommodating cavity.

[0114] Filling the wheel with sound-absorbing and noise-reducing material can absorb the noise generated during wheel rotation, thereby improving the NVH (Noise, Vibration, Harshness) performance of the entire vehicle including the wheel, thereby enhancing the overall comfort and driving experience. Optionally, the sound-absorbing and noise-reducing material can be nylon and / or honeycomb material.

[0115] As an optional embodiment of the present invention, Figure 2 As shown, an annular groove 310 is formed on the rim 300 and extends around the axis of the rim 300. The annular groove 310 is recessed toward the interior of the rim 300, and an annular inner boss 440 is formed on the inner wall of the rim 300. The edge of the outer spoke 100 is fixedly connected to the edge of one end of the rim 300, and the edge of the inner spoke 200 is fixedly connected to the annular inner boss 440.

[0116] In order to further improve the lateral stiffness of the wheel, as an optional embodiment of the present invention, Figure 2 As shown, the inner spoke 200 includes a hub portion 210, a recessed portion 220 and a connecting tube 230, a plurality of connecting through holes 201 are formed on the hub portion 210, the connecting tube 230 surrounds the outer side of the hub portion 210, the recessed portion 220 is connected between the hub portion 210 and the connecting tube 230, and the recessed portion 220 is recessed toward the side of the outer spoke 100, a plurality of inner spoke air holes 203 are formed on the recessed portion 220, and the outer surface of the connecting tube 230 is adhered to and fixedly connected to the annular inner boss.

[0117] In the embodiment of the present invention, the outer spokes 100 and the inner spokes 200 are fixedly connected to different positions on the rim 300, thereby forming a Y-shaped connection structure at the end of the rim 300, further improving the overall strength and rigidity of the wheel.

[0118] As an optional embodiment of the present invention, the outer diameter of the connecting cylinder 230 is larger than the inner diameter of the annular inner boss, so that the connecting cylinder 230 can form an interference fit with the inner wall of the annular inner boss, ensuring smooth welding assembly.

[0119] As an optional embodiment of the present invention, Figure 2As shown in the figure, the rim 300 comprises a main section and a first flared section 320 connected to one end of the main section, the annular groove 310 is formed on the main section, the first end of the first flared section 320 has a diameter corresponding to that of the main section, the second end of the first flared section 320 has a diameter larger than that of the main section, the second end of the first flared section 320 forms an end face of the rim 300, and the edge of the outer spoke 100 is fixedly connected to the second end of the first flared section 320.

[0120] As an optional embodiment of the present application, as shown in the figure, Figure 2 As shown in the figure, the rim 300 further comprises a second flared section 330 connected to the other end of the main section, the diameter of the end of the second flared section 330 away from the main section is larger than that of the main section and forms an end face of the rim 300.

[0121] As an optional embodiment of the present application, as shown in the figure, Figure 4 As shown in the figure, the outer diameter d3 of the main section is 360mm-440mm.

[0122] As an optional embodiment of the present application, the outer diameter d3 of the main section is 405.6mm.

[0123] As an optional embodiment of the present application, as shown in the figure, Figure 2 As shown in the figure, the side wall of the annular groove 310 is formed with a first through hole 311, the outer spoke 100 is formed with a second through hole 108 penetrating the wall thickness of the outer spoke 100, and the position of the second through hole 108 corresponds to that of the first through hole 311.

[0124] As an optional embodiment of the present application, as shown in the figure, Figure 17 and Figure 19 As shown in the figure, the wheel further comprises a gas guide 710 passing through the first through hole 301 and the second through hole 108, and the gas guide 710 has a gas guide passage inside capable of guiding the bottom groove 310 to the outside of the outer spoke 100.

[0125] As an optional embodiment of the present application, as shown in the figure, Figure 4 As shown in the figure, the inner spoke 200 is formed with an electrophoretic liquid reserve hole 231 penetrating the thickness of the inner spoke 200, after the wheel is coated or dyed by the electrophoresis process, the electrophoretic liquid in the cavity between the outer spoke 100 and the inner spoke 200 can quickly flow out through the electrophoretic liquid reserve hole 231, so as to shorten the process window time and improve the production efficiency of the wheel product.

[0126] As a preferred embodiment of the present application, as shown in the figure, Figure 19As shown, the plugging member 720 is arranged in the electrophoretic liquid reservation hole 231, and the plugging member 720 can seal the electrophoretic liquid reservation hole 231 to prevent water vapor or road debris from entering the cavity (accommodation cavity) between the outer spoke 100 and the inner spoke 200 through the electrophoretic liquid reservation hole 231.

[0127] Experiments have verified that, under the premise of the same wheel weight, the fatigue performance of the wheel structure provided by the application can meet the use requirements, and the lateral stiffness can be improved by 1.5-3 times compared with the existing wheel structure.

[0128] As a second aspect of the application, a wheel manufacturing method is provided for manufacturing the wheel described above, and the wheel manufacturing method comprises:

[0129] In step S1, an outer spoke, an inner spoke and a rim are provided, wherein the outer spoke is provided with a plurality of mounting through holes, the inner spoke is provided with a plurality of connecting through holes, and the plurality of connecting through holes correspond to the plurality of mounting through holes one by one in position;

[0130] In step S2, the outer spoke and the inner spoke are fixedly connected at the plurality of connecting through holes and the plurality of mounting through holes;

[0131] In step S3, the outer spoke and the inner spoke are respectively fixedly connected to the inner wall of the rim, so that the outer spoke and the inner spoke are sequentially fixedly connected to the inner wall of the rim along the axial direction of the rim.

[0132] As described above, in the wheel provided by the application, the hub spoke part adopts a double-layer structure of the outer spoke 100 and the inner spoke 200, the corresponding connecting through hole 201 and the mounting through hole 101 are in communication, and a space for mounting a fastener (for example, a mounting screw) is formed. When the wheel is fixedly connected to the wheel shaft, the fastener passes through the space and is fixed on the wheel shaft. When the vehicle is turning, the torque transmitted by the wheel shaft first acts on the connection between the connecting through hole 201 and the corresponding mounting through hole 101, and then exerts a force on the outer spoke 100 and the inner spoke 200, thereby driving the outer rim 300 to rotate. In this process, the connection between the connecting through hole 201 and the mounting through hole 101 respectively exerts a force on the outer spoke 100 and the inner spoke 200, which is mainly along the radial direction, so that the thin-walled outer spoke 100 and the inner spoke 200 do not need to bear too much torque, which can significantly improve the lateral stiffness of the wheel and prolong the service life of the wheel.

[0133] In addition, the outer spoke 100 and the inner spoke 200 are arranged in an axial direction and spaced apart, and a cavity structure is formed between the outer spoke 100 and the inner spoke 200, so that the bending and torsional stress can be reduced while the material of the wheel hub spoke and the total weight of the wheel are reduced, thereby reducing the material cost of the wheel and facilitating the lightweight of the vehicle.

[0134] As an optional embodiment of the present application, the outer spoke and the inner spoke can be fixedly connected through the connecting sleeve 400. Correspondingly, the step S2 can include: assembling the first end of each connecting sleeve 400 with the corresponding mounting through hole, and assembling the second end of each connecting sleeve 400 with the corresponding connecting through hole, to realize the fixed connection between the outer spoke and the inner spoke.

[0135] As an optional embodiment, the first end of the connecting sleeve 400 is formed with a first positioning boss 401 with a positioning end face α, and the second end of the connecting sleeve 400 is formed with a second positioning boss 402 with a positioning end face β.

[0136] In step S2, the mounting through hole of the outer spoke is assembled with the first end of the corresponding connecting sleeve, and the connecting through hole of the inner spoke is assembled with the second end of the corresponding connecting sleeve, to realize the fixed connection between the outer spoke and the inner spoke:

[0137] In step S21, the first end of the connecting sleeve 400 is passed through the mounting through hole 101, and the positioning end face α is abutted against the inner wall of the outer spoke 100.

[0138] In step S22, the part of the inner spoke 200 corresponding to the edge area of the connecting through hole 201 is rotated and pressed (i.e. the spin riveting process is performed), so that the edge area of the inner spoke 200 corresponding to the connecting through hole 201 is inwardly folded and abutted against the positioning end face β.

[0139] As an optional embodiment of the present application, step S22 is specifically realized through the spin riveting process. Specifically, rotating and pressing the part of the inner spoke 200 corresponding to the edge area of the connecting through hole 201 can specifically include:

[0140] The part of the inner spoke 200 corresponding to the edge area of the connecting through hole 201 is pressed towards the positioning end face β by the annular pressing tool 10 corresponding to the shape of the positioning end face β, and the annular pressing tool is driven to rotate around the axis of the connecting sleeve 400 (as shown in Figure 14 ).

[0141] As another optional embodiment of the present application, step S22 can also be realized through other processes. Specifically, as shown in Figure 15 , the part of the inner spoke 200 corresponding to the edge area of the connecting through hole 201 can also be gradually pressed inwardly by the non-cylindrical side pressing tool 20.

[0142] As an optional embodiment of the present application, step S2 further includes:

[0143] In step S23, the part of the connecting sleeve 400 exposed outside the connecting through hole 201 is cut off (as shown in Figure 16 ).

[0144] That is, a length of the end of the connecting sleeve 400 is left with a certain margin before the riveting process, which can play a guiding role when the material of the inner spoke 200 is curled, and the excess material can be cut off after the riveting process is completed.

[0145] As another optional embodiment of the present application, the step S2 can specifically include:

[0146] The step S23 includes passing the first end of the connecting sleeve 400 through the mounting hole 101, and passing the second end of the connecting sleeve 400 through the connecting hole 201.

[0147] The step S24 includes welding the first end of the connecting sleeve 400 to the outer spoke 100, and welding the second end of the connecting sleeve 400 to the inner spoke 200.

[0148] As an optional embodiment of the present application, the wheel further includes a lateral reinforcement 500, and the step S2 further includes:

[0149] The step S23 includes inserting the two ends of the lateral reinforcement 500 into the outer center hole 102 and the inner center hole 202, respectively.

[0150] The step S24 includes welding the two ends of the lateral reinforcement 500 to the outer spoke 100 and the inner spoke 200, respectively.

[0151] In the embodiments of the present application, how to provide the rim is not specially limited. For example, the rim blank can be made into a rim through a roll forming process.

[0152] Specifically, the roll forming process includes three passes of rolling, and / or the roll forming process includes spinning, expanding, and finishing.

[0153] In the embodiments of the present application, the rim blank can be formed by a sheet metal. Specifically, the sheet metal can be processed into the rim blank through steps of coiling, flattening, butt welding, and slag removal.

[0154] In the embodiments of the present application, how to provide the outer spoke and the inner spoke is not specially limited. For example, the outer spoke and the inner spoke can be formed by hot forming or cold forming.

[0155] Optionally, the hot forming can include hot stamping, and the cold forming can include cold stamping.

[0156] As a second aspect of the present application, a wheel is provided, wherein the wheel includes an outer spoke 100, an inner spoke 200, a rim 300, and a lateral reinforcement 500, and the outer spoke 100 and the inner spoke 200 are sequentially fixed to the inner wall of the rim 300 along the axial direction of the rim 300.

[0157] The inner spoke 200 is formed with an inner middle hole 202, the lateral reinforcing member 500 is arranged in the inner middle hole 202, and one end of the lateral reinforcing member 500 is formed with an axle opening towards the rim 300.

[0158] In the wheel provided by the present application, the hub spoke part adopts a double-layer structure of the outer spoke 100 and the inner spoke 200. When the wheel is fixedly connected with the axle, the fastener is installed through the space and fixed on the axle. When the vehicle is steering, the torque transmitted by the axle first acts on the lateral reinforcing member 500, and then exerts force on the outer spoke 100 and the inner spoke 200, thereby driving the outer rim 300 to rotate. In this process, the lateral reinforcing member 500 exerts the force mainly along the radial direction on the outer spoke 100 and the inner spoke 200, so that the thin-walled outer spoke 100 and the inner spoke 200 do not need to bear too much torque, which can significantly improve the lateral stiffness of the wheel and prolong the service life of the wheel.

[0159] In addition, the outer spoke 100 and the inner spoke 200 are arranged in an axial direction and spaced apart, and the space between the outer spoke 100 and the inner spoke 200 is a cavity structure, so that the bending and torsional stress can be reduced, the material of the wheel hub spoke and the total weight of the wheel can be reduced, the material cost of the wheel can be reduced, and the light weight of the vehicle can be realized.

[0160] In the embodiment of the present application, the specific structure of the lateral reinforcing member 500 is not specially limited. For example, the lateral reinforcing member 500 can have a tubular structure or a cylindrical structure with a bottom. It should be noted that when the lateral reinforcing member 500 has a cylindrical structure with a bottom, the outer spoke 100 does not have a through hole at the position opposite to the lateral reinforcing member 500, and the bottom of the lateral reinforcing member 500 faces the outer spoke 100.

[0161] Optionally, the middle part of the outer spoke 100 is formed with an outer middle hole 102, the two ends of the lateral reinforcing member 500 are fixedly connected with the outer spoke 100 and the inner spoke 200 respectively, and the lateral reinforcing member 500 communicates the outer middle hole 102 with the inner middle hole 202.

[0162] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this. Those skilled in the art should understand that the present application includes but is not limited to the contents described in the above specific embodiment and the drawings. Any modification without deviating from the functional and structural principles of the present application will be included in the scope of the claims.

Claims

1. A wheel, characterized in that: The invention comprises an outer wheel spoke (100), an inner wheel spoke (200) and a rim (300), wherein the outer wheel spoke (100) and the inner wheel spoke (200) are fixedly connected to the inner wall of the rim (300) in sequence along the axial direction of the rim (300), the outer wheel spoke (100) has a plurality of mounting through holes (101), the inner wheel spoke (200) has a plurality of connecting through holes (201), and the positions of the plurality of connecting through holes (201) and the plurality of mounting through holes (101) correspond one to one, and the connecting through holes (201) are fixedly connected to the corresponding mounting through holes (101) to form a fixed connection between the outer wheel spoke (100) and the inner wheel spoke (200); wherein, The inner edge of one of the connecting through hole (201) and the corresponding mounting through hole (101) protrudes toward the other of the connecting through hole (201) and the corresponding mounting through hole (101), so that the outer spoke (100) and the inner spoke (200) are connected through the connecting through hole and the mounting through hole.

2. The wheel according to claim 1, characterized in that The wheel further comprises a lateral reinforcement member (500), an inner center hole (202) is formed in the middle of the inner spoke (200), a plurality of connecting through holes (201) surround the inner center hole (202), the lateral reinforcement member (500) is arranged in the inner center hole (202), and an axle opening is formed at one end of the lateral reinforcement member (500) facing the rim (300).

3. The wheel according to claim 2, characterized in that An outer center hole (102) is formed in the middle of the outer spoke (100), and a plurality of mounting through holes (101) are distributed around the outer center hole (102). Both ends of the lateral reinforcement member (500) are fixedly connected to the outer spoke (100) and the inner spoke (200), respectively, and the lateral reinforcement member (500) connects the outer center hole (102) with the inner center hole (202).

4. The wheel according to claim 2, characterized in that An outer center hole (102) is formed in the middle of the outer spoke (100), and both ends of the lateral reinforcement (500) are fixedly connected to the outer spoke (100) and the inner spoke (200), respectively, and the lateral reinforcement (500) connects the outer center hole (102) with the inner center hole (202).

5. The wheel according to any one of claims 1 to 4, characterized in that A plurality of spoke air holes are formed on the wheel, and the plurality of spoke air holes include a plurality of inner spoke air holes (203) and a plurality of outer spoke air holes (103) corresponding to the plurality of inner spoke air holes (203) one by one, the plurality of outer spoke air holes (103) are arranged on the outer spokes (100) and distributed around the axis of the rim, the plurality of inner spoke air holes (203) are arranged on the inner spokes (200), and the plurality of inner spoke air holes (203) are distributed around the axis of the rim, and the inner spoke air holes (203) are connected to the corresponding outer spoke air holes (103).

6. The wheel according to claim 5, characterized in that The outer spoke (100) is recessed inwardly at the edge of the outer spoke air hole (103), and the outer spoke (100) is connected to the edge of the corresponding inner spoke air hole (203) on the inner spoke (200) at the edge of the outer spoke air hole (103).

7. The wheel according to claim 5, characterized in that The outer spoke (100) is welded to the edge of the inner spoke air hole (203) of the inner spoke (200) at the edge of the outer spoke air hole (103).

8. The wheel according to claim 5, characterized in that One of the outer wheel spoke (100) and the inner wheel spoke (200) is folded toward the outside of the opposite wheel spoke air hole at the edge area of ​​the corresponding wheel spoke air hole and fits with the outer surface of the opposite wheel spoke to fix the outer wheel spoke to the inner wheel spoke.

9. The wheel according to claim 5, characterized in that One of the outer spoke and the inner spoke has a plurality of first snap-fit ​​portions (610) at the edge of the corresponding spoke air hole, and the other of the outer spoke and the inner spoke has a plurality of second snap-fit ​​portions (620) at the edge of the corresponding spoke air hole. The plurality of first snap-fit ​​portions (610) and the plurality of second snap-fit ​​portions (620) are snapped in a one-to-one correspondence to fix the outer spoke and the inner spoke together.

10. The wheel according to claim 5, characterized in that An annular groove (310) extending around the axis of the rim is formed on the rim (300), the annular groove (310) is recessed toward the interior of the rim, and an annular inner boss (440) is formed on the inner wall of the rim, the edge of the outer spoke is fixedly connected to the edge of one end of the rim, and the edge of the inner spoke is fixedly connected to the annular inner boss (440).

11. The wheel according to claim 10, characterized in that The inner spoke (200) includes a hub portion (210), a recessed portion (220) and a connecting tube (230), a plurality of connecting through holes (201) are formed on the hub portion (210), the connecting tube (230) surrounds the outer side of the hub portion (210), the recessed portion (220) is connected between the hub portion (210) and the connecting tube (230), and the recessed portion (220) is recessed toward one side of the outer spoke (100), a plurality of inner spoke air holes (203) are formed on the recessed portion (220), and the outer surface of the connecting tube (230) is attached to and fixedly connected to the annular inner boss (440).

12. The wheel according to claim 5, characterized in that The outer spokes are formed integrally with the inner spokes.

13. The wheel according to any one of claims 1 to 5, characterized in that An accommodating cavity is formed between the outer spoke (100) and the inner spoke (200), and the wheel further comprises a sound-absorbing and noise-reducing material filled in the accommodating cavity.

14. The wheel according to any one of claims 1 to 5, characterized in that The connecting through hole (201) is fixedly connected to the corresponding mounting through hole (101) by flanging or riveting.

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