Wheel

Abstract

The present invention provides a wheel, comprising a rim, a spoke and a positioning element. Wherein, the rim includes a rim body and a bent flange, the bent flange is connected to the periphery of one axial end of the rim body and extends in a bent manner, and a first positioning hole is formed in the bent flange; the spoke is arranged at one axial end of the rim, and the axial inner surface of the spoke is adaptively attached to the surface of the bent flange, and a second positioning hole is formed at a position of the spoke opposite to the first positioning hole; the positioning element includes a positioning post, and the positioning post is inserted into the first positioning hole and the second positioning hole to mount and position the spoke on the rim. The present invention solves the problems in the prior art that the spoke and the rim of the wheel cannot be reliably locked before welding, reducing the installation accuracy of the spoke, and after the two are assembled, the contact area between the two is too small to ensure that the spoke provides a stable and reliable supporting effect for the rim.

Description

Technical Field

[0001] The present invention relates to the technical field of vehicles, and more particularly, to a structural improvement of a wheel. Background Art

[0002] In the prior art, the spoke and the rim of a wheel are fixedly connected by welding. However, before welding the spoke to the rim, the rim and the spoke need to be arranged in a predetermined relative position and then welded. During this process, the two cannot be reliably locked, resulting in the spoke and the rim being displaced during the welding operation. In this way, the coaxiality of the rim and the spoke cannot be guaranteed, and the installation accuracy of the spoke is reduced.

[0003] In addition, after the rim and the spoke of the existing wheel are assembled, the contact area between the two is too small to ensure that the spoke provides a stable and reliable supporting effect for the rim, and it is impossible to ensure that the wheel has a reliable radial load-bearing capacity. When the vehicle is subjected to a radial load, the deformation of the rim is large, seriously affecting the normal driving of the vehicle and even threatening the life safety of the passengers. Summary of the Invention

[0004] The main object of the present invention is to provide a wheel to solve the problems that the spoke and the rim of the wheel in the prior art cannot be reliably locked before welding, reducing the installation accuracy of the spoke, and after the two are assembled, the contact area between the two is too small to ensure that the spoke provides a stable and reliable supporting effect for the rim.

[0005] To achieve the above object, the present invention provides a wheel, including a rim, a spoke, and a positioning element. The rim includes a rim body and a bent flange. The bent flange is connected to the periphery of one axial end of the rim body and extends in a curved manner. A first positioning hole is provided on the bent flange. The spoke is disposed at one axial end of the rim, and the axial inner surface of the spoke is adaptively fitted to the surface of the bent flange. A second positioning hole is provided at a position of the spoke opposite to the first positioning hole. The positioning element includes a positioning post, and the positioning post passes through the first positioning hole and the second positioning hole to position and install the spoke on the rim.

[0006] Further, the bent flange includes a radially extending ring plate section, a transition ring plate section, and an axially extending ring plate section that are sequentially connected in a direction away from the rim body. The first positioning hole is provided on the radially extending ring plate section. The transition ring plate section extends in a curved manner, and the axial inner surface of the spoke is adaptively fitted to the surfaces of both the radially extending ring plate section and the transition ring plate section.

[0007] Further, the axially extending ring plate section protrudes from the axial outer surface of the spoke.

[0008] Further, the end face of the axial ring plate section away from the transition ring plate section is flush with the outer axial surface of the spoke.

[0009] Further, the end face of the axial ring plate section away from the transition ring plate section is smoothly transitionally connected to the outer axial surface of the spoke along a plane or a curved surface.

[0010] Further, the end face of the axial ring plate section away from the transition ring plate section is a smooth curved surface.

[0011] Further, the spoke is welded to the rim, and a first weld bead structure is formed at the connection between the two. The first weld bead structure is located between the outer wall surface of the positioning post and the pore wall surface of the first positioning hole and / or the pore wall surface of the second positioning hole.

[0012] Further, the positioning element further includes a stop end. The stop end is arranged at one end of the positioning post, and a stop end face is formed at the connection with the positioning post. The stop end face abuts against the outer axial surface of the spoke.

[0013] Further, the spoke is welded to the rim, and a second weld bead structure and / or a third weld bead structure is formed at the connection between the two. Among them, the second weld bead structure is located between the outer wall surface of the positioning post and the pore wall surface of the first positioning hole and / or the pore wall surface of the second positioning hole, and the third weld bead structure is located at the contact position between the stop end and the spoke.

[0014] Further, the thickness of the bent and flanged edge is the same as the thickness of the rim body, and the bent and flanged edge is integrally connected to the rim body.

[0015] Applying the technical solution of the present invention provides a wheel with a positioning element, ensuring the coaxiality between the spoke and the rim after welding, optimizing the connection position between the spoke and the rim, and ensuring that the wheel has reliable radial load-bearing capacity.

[0016] Specifically, by optimizing the structural composition of the wheel, the wheel includes a positioning element. In this way, during the process of installing the spoke on the rim before welding the spoke and the rim, the operator can accurately install and position the spoke on the rim by passing the positioning post on the positioning element through the first positioning hole on the rim and the second positioning hole on the spoke, so that the relative positions of the two are locked, ensuring that the two will not shift relative to each other during the subsequent welding operation, improving the installation accuracy of the spoke, and ensuring the coaxiality between the spoke and the rim after welding.

[0017] In addition, by optimizing the connection position between the spoke and the rim, the axial inner surface of the spoke fits well with the surface of the bent and flanged rim, that is, the axial inner surface of the spoke directly fits well with the surface of the bent and flanged rim, increasing the contact area between the two, ensuring that the spoke can provide a stable and reliable supporting effect for the rim, and thus ensuring that the wheel has a reliable radial load-bearing capacity. In this way, when the vehicle is subjected to a radial load, the rim will not undergo large deformation to affect the normal driving of the vehicle, thereby ensuring the safety of the passengers. Brief Description of the Drawings

[0018] The accompanying drawings forming a part of this application are used to provide a further understanding of the present invention. The schematic embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention. In the drawings:

[0019] Figure 1 shows a cross-sectional schematic view of a wheel according to Embodiment 1 of the present invention;

[0020] Figure 2 shows Figure 1 an enlarged schematic view of part A in

[0021] Figure 3 shows Figure 2 a schematic view of the state of the wheel in

[0022] Figure 4 after welding the rim and the spoke at the positioning element using the first welding method; Figure 2 shows

[0023] Figure 5 shows Figure 2 a schematic view of the state of the wheel in

[0024] Figure 6 after welding the rim and the spoke at the positioning element using the second welding method;

[0025] Figure 7 shows Figure 6 a schematic view of the state of the wheel in

[0026] Figure 8 shows Figure 6 a schematic view of the state of the wheel in

[0027] Figure 9 shows Figure 6 a schematic diagram of the state of the wheel in

[0028] after welding the rim and the spoke at the positioning element by using the third welding method.

[0029] Among them, the above-mentioned drawings include the following reference numerals: Detailed implementation manners

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way constitutes a limitation to the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.

[0031] In order to solve the problems that the spoke and the rim of the wheel in the prior art cannot be reliably locked before welding, the installation accuracy of the spoke is reduced, and after the two are assembled, the contact area between the two is too small to ensure that the spoke provides a stable and reliable supporting effect for the rim, the present invention provides a wheel.

[0032] Embodiment 1

[0033] As Figure 1 and Figure 2 shown, the wheel includes a rim 10, a spoke 20 and a positioning element 30. Among them, the rim 10 includes a rim body 11 and a bent flange 12. The bent flange 12 is connected to the peripheral edge of one axial end of the rim body 11 and extends by bending. A first positioning hole 13 is formed in the bent flange 12; the spoke 20 is arranged at one axial end of the rim 10, and the axial inner surface of the spoke 20 is adaptively attached to the surface of the bent flange 12. A second positioning hole 21 is formed at a position of the spoke 20 opposite to the first positioning hole 13; the positioning element 30 includes a positioning post 31, and the positioning post 31 passes through the first positioning hole 13 and the second positioning hole 21 to mount and position the spoke 20 on the rim 10.

[0034] This embodiment provides a wheel with a positioning element 30, which ensures the coaxiality between the spoke 20 and the rim 10 after welding, optimizes the connection position between the spoke 20 and the rim 10, and ensures that the wheel has a reliable radial load-bearing capacity.

[0035] Specifically, by optimizing the structural composition of the wheel, since the wheel includes a positioning element 30, during the process of installing the spoke 20 onto the rim 10 before welding the spoke 20 and the rim 10, the operator can accurately install and position the spoke 20 onto the rim 10 by passing the positioning post 31 on the positioning element 30 through the first positioning hole 13 on the rim 10 and the second positioning hole 21 on the spoke 20, so that the relative positions of the two are locked, ensuring that the two will not shift relative to each other during the subsequent welding operation, improving the installation accuracy of the spoke 20, and ensuring the coaxiality between the spoke 20 and the rim 10 after welding.

[0036] In addition, by optimizing the connection position between the spoke 20 and the rim 10, the axial inner surface of the spoke 20 is adaptively fitted to the surface of the bent flange 12 of the rim 10, that is, the axial inner surface of the spoke 20 is directly and adaptively fitted to the surface of the bent flange 12, increasing the contact area between the two, ensuring that the spoke 20 can provide a stable and reliable supporting effect for the rim 10, thereby ensuring that the wheel has a reliable radial load-bearing capacity. In this way, when the vehicle is subjected to a radial load, the rim 10 will not undergo large deformation to affect the normal driving of the vehicle, thus ensuring the safety of the passengers.

[0037] As Figure 2 shown, the bent flange 12 includes a radially extending ring plate section 121, a transition ring plate section 122, and an axially extending ring plate section 123 that are sequentially connected in a direction away from the rim body 11. Among them, the first positioning hole 13 is opened on the radially extending ring plate section 121, the transition ring plate section 122 extends in a curved shape, and the axial inner surface of the spoke 20 is adaptively fitted to the surfaces of both the radially extending ring plate section 121 and the transition ring plate section 122. In this way, when the wheel is subjected to a radial load, since the transition ring plate section 122 of the bent flange 12 is most likely to deform, by adaptively fitting the axial inner surface of the spoke 20 to the surfaces of both the radially extending ring plate section 121 and the transition ring plate section 122, it is ensured that the contact area between the spoke 20 and the rim 10 is large enough, so as to ensure that the spoke 20 can provide a stable and reliable supporting effect for both the radially extending ring plate section 121 and the transition ring plate section 122, avoiding the influence on the structural strength of the rim 10 due to a large deformation of the transition ring plate section 122 and ensuring the normal driving of the vehicle.

[0038] As Figures 2 to 5As shown, the axial ring plate section 123 protrudes from the axial outer surface of the spoke 20. In this way, on the premise of ensuring that the axial inner surface of the spoke 20 fits snugly with the surfaces of both the radial ring plate section 121 and the transition ring plate section 122, a lightweight design of the spoke 20 is carried out, which is beneficial to the lightweight design of the wheel.

[0039] Optionally, the end face of the axial ring plate section 123 away from the transition ring plate section 122 is flush with the axial outer surface of the spoke 20. In this way, since the end face at the periphery of the spoke 20 can fit snugly with the surface of the axial ring plate section 123, and the axial inner surface of the spoke 20 fits snugly with the surfaces of both the radial ring plate section 121 and the transition ring plate section 122, it is ensured that the spoke 20 can stably and reliably support the bent and flanged edge 12, thereby avoiding affecting the normal driving of the vehicle due to a large deformation of the bent and flanged edge 12.

[0040] Optionally, the end face of the axial ring plate section 123 away from the transition ring plate section 122 is smoothly connected to the axial outer surface of the spoke 20 along a plane or a curved surface. In this way, the regularity of the wheel is improved, thereby enhancing the overall aesthetic appearance of the wheel.

[0041] It should be noted that in the present application, the end face of the axial ring plate section 123 away from the transition ring plate section 122 is a smooth curved surface. In this way, it is ensured that the end face of the axial ring plate section 123 away from the transition ring plate section 122 fits with the inner wall surface of the tire, avoiding abrasion of the tire due to the presence of protrusions on the end face of the axial ring plate section 123 away from the transition ring plate section 122.

[0042] As Figure 3 shown, the spoke 20 is welded to the rim 10, and a first weld bead structure 100 is formed at the connection between the two, and the first weld bead structure 100 is located between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21. In this way, it is ensured that the first weld bead structure 100 can fill the gap at the connection between the spoke 20 and the rim 10 as much as possible, thereby ensuring the welding reliability between the two. In addition, the setting of the first weld bead structure 100 can ensure that the spoke 20 and the rim 10 are indirectly welded together through the positioning element 30. Since the first weld bead structure 100 is formed between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21, the welding area between the spoke 20 and the rim 10 is greatly increased, thereby ensuring the welding stability between the spoke 20 and the rim 10.

[0043] As Figure 4As shown, the spoke 20 is welded to the rim 10, and a first weld bead structure 100 is formed at the connection between the two. The first weld bead structure 100 is located between the outer wall surface of the positioning post 31, the wall surface of the second positioning hole 21, and a part of the wall surface of the first positioning hole 13. In this way, it is ensured that the first weld bead structure 100 can fill the gap at the connection between the spoke 20 and the rim 10 as much as possible, thus guaranteeing the welding reliability between the two. In addition, the setting of the first weld bead structure 100 can ensure that the spoke 20 and the rim 10 are indirectly welded together through the positioning element 30. Since the first weld bead structure 100 is formed between the outer wall surface of the positioning post 31, the wall surface of the second positioning hole 21, and a part of the wall surface of the first positioning hole 13, the welding area between the spoke 20 and the rim 10 is greatly increased, thereby ensuring the welding stability of the spoke 20 and the rim 10.

[0044] As Figure 5 shown, the spoke 20 is welded to the rim 10, and a first weld bead structure 100 is formed at the connection between the two. The first weld bead structure 100 is located between the outer wall surface of the positioning post 31, the wall surface of the first positioning hole 13, and the wall surface of the second positioning hole 21. In this way, the first weld bead structure 100 penetrates through the gap formed between the outer wall surface of the positioning post 31 and the wall surface of the first positioning hole 13, and the gap formed between the outer wall surface of the positioning post 31 and the wall surface of the second positioning hole 21, thereby guaranteeing the welding reliability between the two. In addition, the setting of the first weld bead structure 100 ensures that the spoke 20 and the rim 10 have a large enough welding area, thus ensuring the welding stability of the spoke 20 and the rim 10, and can also reliably fasten and connect the positioning element 30 with the spoke 20 and the rim 10, preventing the positioning post 31 from falling off during vehicle driving and affecting its normal driving.

[0045] Embodiment Two

[0046] As Figure 6 shown, the difference between this embodiment and Embodiment Two is that the positioning element 30 further includes a stop end 32. The stop end 32 is arranged at one end of the positioning post 31, and a stop end face 321 is formed at the connection with the positioning post 31. The stop end face 321 abuts against the axial outer surface of the spoke 20. In this way, the setting of the stop end 32 ensures that after the spoke 20 is installed on the rim 10, the stop end face 321 of the stop end 32 abuts against the axial outer surface of the spoke 20, preventing the positioning element 30 from falling off from the first positioning hole 13 and the second positioning hole 21, and improving the positioning reliability of the spoke 20. In addition, when there are multiple positioning elements 30, different colors of pigments can be sprayed on the outer surfaces of the stop ends 32 of the multiple positioning elements 30, which is beneficial to enhancing the appearance beauty of the wheel.

[0047] As Figure 7As shown, the spoke 20 is welded to the rim 10, and a second weld bead structure 200 is formed at the connection between the two. The second weld bead structure 200 is located between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21. In this way, it is ensured that the second weld bead structure 200 can fill the gap at the connection between the spoke 20 and the rim 10 as much as possible, thereby guaranteeing the welding reliability between the two. In addition, the setting of the second weld bead structure 200 ensures that the spoke 20 and the rim 10 are indirectly welded together through the positioning element 30. Since the second weld bead structure 200 is formed between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21, the welding area between the spoke 20 and the rim 10 is greatly increased, thereby ensuring the welding stability of the spoke 20 and the rim 10.

[0048] As Figure 8 shown, the spoke 20 is welded to the rim 10, and a third weld bead structure 300 is formed at the contact position between the stop end 32 and the spoke 20. In this way, by forming the third weld bead structure 300 at the contact position between the stop end 32 and the spoke 20, the positioning element 30 is reliably fastened and connected to the spoke 20 and the rim 10, preventing the positioning element 30 from falling off during vehicle driving. In addition, it is ensured that the spoke 20 and the rim 10 are indirectly welded together through the positioning element 30. Since the third weld bead structure 300 is formed at the contact position between the stop end 32 and the spoke 20, the welding area between the spoke 20 and the rim 10 is greatly increased, thereby ensuring the welding stability of the spoke 20 and the rim 10.

[0049] As Figure 9 shown, the spoke 20 is welded to the rim 10, and a second weld bead structure 200 and a third weld bead structure 300 are formed at the connection between the two. Among them, the second weld bead structure 200 is located between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21, and the third weld bead structure 300 is located at the contact position between the stop end 32 and the spoke 20. In this way, by forming the second weld bead structure 200 between the outer wall surface of the positioning post 31, the hole wall surface of the first positioning hole 13, and the hole wall surface of a part of the second positioning hole 21, and forming the third weld bead structure 300 at the contact position between the stop end 32 and the spoke 20, a double fastening connection is ensured between the spoke 20 and the rim 10, ensuring that the spoke 20 and the rim 10 have a large enough welding area, thereby ensuring the welding stability of the spoke 20 and the rim 10, and also being able to reliably fasten and connect the positioning element 30 to the spoke 20 and the rim 10, preventing the vehicle from being affected in its normal driving due to the falling off of the positioning post 31 during driving.

[0050] It should be noted that in the first and second embodiments, the thickness of the bent and flanged portion 12 is the same as that of the rim body 11, and the bent and flanged portion 12 is integrally connected to the rim body 11. In this way, it is ensured that the thickness of the bent and flanged portion 12 remains unchanged during the extension process, thereby ensuring the overall structural strength of the rim 10.

[0051] It should be noted that the terms used herein are for the purpose of describing specific embodiments only and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly dictates otherwise, the singular forms are also intended to include the plural forms. In addition, it should be understood that when the terms "comprise" and / or "include" are used in this specification, they specify the presence of the features, steps, operations, devices, components, and / or combinations thereof.

[0052] Unless otherwise specifically stated, the relative arrangements of the components and steps, numerical expressions, and values set forth in these embodiments do not limit the scope of the present invention. At the same time, it should be understood that, for the sake of convenience of description, the dimensions of the various parts shown in the drawings are not drawn in actual proportional relationships. Technologies, methods, and devices known to those of ordinary skill in the relevant art may not be discussed in detail, but where appropriate, the technologies, methods, and devices should be regarded as part of the authorized specification. In all the examples shown and discussed herein, any specific value should be construed as merely exemplary and not as a limitation. Therefore, other examples of the exemplary embodiments may have different values. It should be noted that like reference numerals and letters denote like items in the following drawings, and thus, once an item is defined in one drawing, it does not require further discussion in subsequent drawings.

[0053] For the sake of convenience of description, spatial relative terms such as "above", "over", "on the upper surface", "upper" etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the drawings. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the drawings. For example, if the device in the drawing is inverted, the device described as "above" or "over" other devices or structures will then be positioned "below" or "beneath" the other devices or structures. Thus, the exemplary term "above" can include both the orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90 degrees or in other orientations), and the corresponding interpretations of the spatial relative descriptions used herein will be made.

[0054] It should be noted that the terms used herein are only for describing specific embodiments and are not intended to limit the exemplary embodiments according to the present application. As used herein, unless the context clearly indicates otherwise, the singular forms are also intended to include the plural forms. In addition, it should also be understood that when the terms "comprising" and / or "including" are used in this specification, they specify the presence of features, steps, operations, devices, components, and / or combinations thereof.

[0055] It should be noted that the terms "first", "second", etc. in the specification, claims and above-mentioned drawings of the present application are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged under appropriate circumstances so that the embodiments of the present application described herein can be implemented in an order different from those illustrated or described herein.

[0056] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. For those skilled in the art, the present invention can have various changes and modifications. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A wheel, characterized in that, Comprising: A rim (10), the rim (10) includes a rim body (11) and a bent flange (12), the bent flange (12) is connected to and extends bent along the circumference of one axial end of the rim body (11), and a first positioning hole (13) is provided on the bent flange (12); A spoke (20), the spoke (20) is arranged at one axial end of the rim (10), and the axial inner surface of the spoke (20) is adaptively attached to the surface of the bent flange (12), and a second positioning hole (21) is provided at a position of the spoke (20) opposite to the first positioning hole (13); A positioning element (30), the positioning element (30) includes a positioning post (31), the positioning post (31) is inserted into the first positioning hole (13) and the second positioning hole (21) to mount and position the spoke (20) on the rim (10); The positioning element (30) further includes a stop end (32), the stop end (32) is arranged at one end of the positioning post (31), and a stop end face (321) is formed at the connection with the positioning post (31), and the stop end face (321) abuts against the axial outer surface of the spoke (20); The spoke (20) and the rim (10) are welded, and a second weld bead structure (200) and / or a third weld bead structure (300) is formed at the connection between the two. Among them, the second weld bead structure (200) is located between the outer wall surface of the positioning post (31) and the hole wall surface of the first positioning hole (13), and / or the second weld bead structure (200) is located between the outer wall surface of the positioning post (31) and the hole wall surface of the second positioning hole (21), and the third weld bead structure (300) is located at the contact position between the stop end (32) and the spoke (20).

2. The wheel according to claim 1, characterized in that, The bent flange (12) includes a radially extending ring plate section (121), a transition ring plate section (122) and an axially extending ring plate section (123) connected in sequence along the direction away from the rim body (11). Among them, the first positioning hole (13) is provided on the radially extending ring plate section (121), the transition ring plate section (122) extends in a curved shape, and the axial inner surface of the spoke (20) is adaptively attached to the surfaces of both the radially extending ring plate section (121) and the transition ring plate section (122).

3. The wheel according to claim 2, wherein The axially extending ring plate section (123) protrudes from the axial outer surface of the spoke (20).

4. The wheel according to claim 2, characterized in that, The end face of the axially extending ring plate section (123) away from the transition ring plate section (122) is flush with the axial outer surface of the spoke (20).

5. The wheel according to claim 4, wherein, The end face of the axially extending ring plate section (123) away from the transition ring plate section (122) is smoothly connected to the axial outer surface of the spoke (20) along a plane or a curved surface.

6. The wheel according to claim 2, wherein, The end face of the axially extending ring plate section (123) away from the transition ring plate section (122) is a smooth curved surface.

7. The wheel according to claim 1, wherein The thickness of the bent and flanged edge (12) is the same as that of the rim body (11), and the bent and flanged edge (12) is integrally connected to the rim body (11).

8. A wheel, characterized in that, Comprising: A rim (10), the rim (10) includes a rim body (11) and a bent and flanged edge (12), the bent and flanged edge (12) is connected to and extends curvedly along the circumference of one axial end of the rim body (11), and a first positioning hole (13) is formed on the bent and flanged edge (12); A spoke (20), the spoke (20) is arranged at one axial end of the rim (10), and the axial inner surface of the spoke (20) is adaptively attached to the surface of the bent and flanged edge (12), and a second positioning hole (21) is formed at a position of the spoke (20) opposite to the first positioning hole (13); A positioning element (30), the positioning element (30) includes a positioning post (31), the positioning post (31) is inserted into the first positioning hole (13) and the second positioning hole (21) to mount and position the spoke (20) on the rim (10); The spoke (20) is welded to the rim (10), and a first weld bead structure (100) is formed at the connection between the two, and the first weld bead structure (100) is located between the outer wall surface of the positioning post (31) and the hole wall surface of the first positioning hole (13) and / or the hole wall surface of the second positioning hole (21).

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