阅读说明：本技术 车轮和车轮的制造方法 (Wheel and method for manufacturing wheel ) 是由 叶燕飞 盛枫 吴兵华 王燕 于 2018-07-24 设计创作，主要内容包括：本发明提供了一种车轮和车轮的制造方法,其中,车轮包括轮辐和轮辋,轮辋与轮辐连接,轮辋包括轮辋本体和连接结构,连接结构与轮辋本体的轴向第一端连接,并沿轮辋本体的径向延伸,连接结构朝向轮辐的表面与轮辐贴合；连接结构的延伸长度为轮辋本体的厚度的1.5倍至3倍。本发明解决了现有技术中的轮辋和轮辐的接触面积较小,从而影响的轮辋和轮辐之间的连接稳定性,进而影响车轮的抗疲劳性能和安全性能的问题。(The invention provides a wheel and a manufacturing method of the wheel, wherein the wheel comprises a spoke and a rim, the rim is connected with the spoke, the rim comprises a rim body and a connecting structure, the connecting structure is connected with the first axial end of the rim body and extends along the radial direction of the rim body, and the surface of the connecting structure facing the spoke is attached to the spoke; the connecting structure extends for a length of 1.5 to 3 times a thickness of the rim body. The invention solves the problems that the connection stability between the rim and the spoke is influenced and the fatigue resistance and the safety performance of the wheel are influenced because the contact area between the rim and the spoke is smaller in the prior art.)

1. A wheel, comprising:

a spoke (10);

the wheel rim (20) is connected with the wheel disc (10), the wheel rim (20) comprises a wheel rim body (21) and a connecting structure (22), the connecting structure (22) is connected with the first axial end of the wheel rim body (21) and extends along the radial direction of the wheel rim body (21), and the surface, facing the wheel disc (10), of the connecting structure (22) is attached to the wheel disc (10); the connecting structure (22) extends over a length of 1.5 to 3 times the thickness of the rim body (21).

2. A wheel according to claim 1, characterized in that said connection structure (22) is integrally formed with said rim body (21).

3. A wheel according to claim 1, characterized in that said connection structure (22) extends towards the inside of said rim (20).

4. Wheel according to claim 1, characterized in that the surface of said connection structure (22) facing towards spoke (10) is plane; and/or the surface of the spoke (10) which is jointed with the connecting structure (22) is a plane.

5. A wheel according to any one of claims 1 to 4, wherein the junction of the wheel disc (10) with the rim (20) has a bead structure (30), and the bead structure (30) extends continuously and is located circumferentially outside the connecting structure (22) and/or circumferentially inside the connecting structure (22).

6. A method of manufacturing a wheel for use in manufacturing a wheel according to any of claims 1 to 5, comprising the steps of:

the circumferential edge of the first axial end of the rim (20) is bent towards the inner side of the rim (20) or the outer side of the rim (20) to form a connecting structure (22), and the length of the connecting structure (22) is 1.5-3 times of the thickness of the rim body (21).

7. A method of manufacturing a wheel according to claim 6, further comprising the steps of:

machining the surface of the connection structure (22) facing the spoke (10) into a plane by turning; and/or the presence of a gas in the gas,

the surface of the spoke (10) opposite the connecting structure (22) is machined to be flat by turning.

8. A method of manufacturing a wheel according to claim 7, further comprising the steps of:

-applying the connecting structure (22) to the spoke (10) towards the surface of the spoke (10);

welding the rim (20) and the spoke (10) to form the wheel.

9. A method for manufacturing a wheel according to claim 8, wherein welding said rim (20) and said disc (10) to form said wheel comprises: the wheel rim (20) and the wheel disc (10) are preliminarily positioned by means of spot welding.

10. The method of manufacturing a wheel according to claim 9, wherein welding the rim (20) and the wheel disc (10) to form the wheel further comprises: and welding the rim (20) and the spoke (10) together in a full-welding mode, and enabling a welding bead structure (30) formed at the joint of the rim and the spoke to be positioned on the circumferential outer side of the connecting structure (22) and/or the circumferential inner side of the connecting structure (22).

Technical Field

The invention relates to the technical field of vehicles, in particular to a wheel and a manufacturing method of the wheel.

Background

Disclosure of Invention

The invention mainly aims to provide a wheel and a manufacturing method of the wheel, and aims to solve the problems that in the prior art, the contact area between a rim and a spoke is small, so that the connection stability between the rim and the spoke is influenced, and the fatigue resistance and the safety performance of the wheel are influenced.

In order to achieve the above object, according to one aspect of the present invention, there is provided a wheel comprising: a spoke; the rim is connected with the spoke and comprises a rim body and a connecting structure, the connecting structure is connected with the axial first end of the rim body and extends along the radial direction of the rim body, and the surface of the connecting structure facing the spoke is attached to the spoke; the connecting structure extends for a length of 1.5 to 3 times a thickness of the rim body.

Further, the connecting structure is integrally formed with the rim body.

Further, the connecting structure extends towards the inner side of the rim.

Further, the surface of the connecting structure facing the spoke is a plane, and the surface of the spoke, which is attached to the connecting structure, is a plane.

Further, the joint of the spoke and the rim is provided with a bead structure, and the bead structure continuously extends and is positioned at the circumferential outer side of the connecting structure and/or the circumferential inner side of the connecting structure.

According to another aspect of the present invention, there is provided a method of manufacturing a wheel, for manufacturing the wheel described above, comprising the steps of: the connecting structure is formed by bending the circumferential edge of the first axial end of the rim towards the inner side of the rim or the outer side of the rim, and the length of the connecting structure is 1.5 to 3 times of the thickness of the rim body.

Further, the manufacturing method further comprises the following steps: machining the surface of the connecting structure facing the spoke into a plane through turning; and/or machining the surface of the spoke opposite the connection structure into a plane by turning.

Further, the manufacturing method further comprises the following steps: attaching the surface of the connecting structure facing the spoke to the spoke; and welding the rim and the spoke to form the wheel.

Further, welding the rim and the spokes to form the wheel includes: and preliminarily positioning the rim and the spoke in a spot welding mode.

Further, welding the rim and the spoke to form the wheel further comprises: and welding the rim and the spoke together in a full welding mode, and enabling a welding bead structure formed at the joint of the rim and the spoke to be positioned on the circumferential outer side of the connecting structure and/or the circumferential inner side of the connecting structure.

By applying the technical scheme of the invention, the first axial end of the rim body is connected with the connecting structure extending along the radial direction of the rim body, the extending length of the connecting structure is 1.5-3 times of the thickness of the rim body, the rim body is attached to the spoke through the connecting structure, the contact area between the rim and the spoke is increased, the connecting stability between the rim and the spoke is improved, the wheel is not easy to damage at a welding position when the fatigue durability test is carried out on the wheel, and the fatigue resistance and the safety performance of the wheel are improved. Particularly, the binding face of rim and spoke junction is big can be better transmission load and stress, and when the binding face of rim and spoke junction was less, rim and spoke junction can become the weakest place in the transmission process, leads to the wheel to be easy at rim and spoke junction failure fracture.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate embodiments of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 shows a schematic structural view of a wheel according to an alternative embodiment of the invention;

fig. 2 shows an enlarged schematic view of the structure at a in fig. 1.

Wherein the figures include the following reference numerals:

10. a spoke; 11. a support ring plate; 111. a first rim structure; 112. a wind hole; 12. an end plate; 121. a central bore; 122. bolt holes; 20. a rim; 21. a rim body; 22. a connecting structure; 23. a second rim structure; 30. and (4) a welding bead structure.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a wheel, and aims to solve the problems that in the prior art, the contact area between a rim and a spoke is small, so that the connection stability between the rim and the spoke is influenced, and the fatigue resistance and the safety performance of the wheel are further influenced.

As shown in fig. 1 and 2, the wheel includes a wheel disc 10 and a rim 20, the rim 20 is connected to the wheel disc 10, the rim 20 includes a rim body 21 and a connecting structure 22, the connecting structure 22 is connected to a first axial end of the rim body 21 and extends along a radial direction of the rim body 21, and a surface of the connecting structure 22 facing the wheel disc 10 is attached to the wheel disc 10; the connecting structure 22 extends for a length 1.5 to 3 times the thickness of the rim body 21.

In this application, be connected with the radial extension connection structure 22 along rim body 21 at the axial first end of rim body 21, and make connection structure 22's extension length be 1.5 times to 3 times of rim body 21's thickness, rim body 21 passes through connection structure 22 and the laminating of spoke 10, the area of contact of rim 20 with spoke 10 has been increased, rim 20 and spoke 10's stability of being connected has been promoted, when carrying out fatigue durability test to the wheel, the wheel is difficult to take place to damage at welding position, the fatigue resistance ability and the security performance of wheel have been promoted. Specifically, the large contact surface at the junction of rim 20 and wheel disc 10 provides better load and stress transfer, and when the contact surface at the junction of rim 20 and wheel disc 10 is small, the junction of rim 20 and wheel disc 10 becomes the weakest point during the transfer process, resulting in a wheel that is susceptible to failure and cracking at the junction of rim 20 and wheel disc 10.

Tests show that when the extending length of the connecting structure 22 is 1.5 times to 3 times of the thickness of the rim body 21, the processing cost of the rim 20 is low, and meanwhile, stable connection between the rim 20 and the spoke 10 is guaranteed.

It should be noted that, during the process of machining and forming the rim, the thickness of the rim may be worn to some extent, and the thickness of the rim body 21 mentioned in this application is the initial thickness of the rim during blanking.

Optionally, the initial thickness of the rim body 21 is 1.8mm or more and 4.5mm or less.

Alternatively, the thickness of wheel disc 10 is equal to or greater than 3.5mm and equal to or less than 7.0 mm.

Alternatively, the present application provides a material for rim 20 and spoke 10 having a yield strength of 330MPa or greater and a tensile strength of 500MPa or greater.

Alternatively, the connecting structure 22 and the rim body 21 are fixedly connected together by welding, riveting, or the like.

Alternatively, the connecting structure 22 is integrally formed with the rim body 21. Thus, the processing and manufacturing of the rim 20 are facilitated, and the connection stability of the connecting structure 22 and the rim body 21 can be improved.

In the alternative embodiment shown in fig. 1 and 2, the connecting structure 22 is formed by extending the circumferential edge of the first axial end of the rim 20 after bending, and when the circumferential edge of the first axial end of the rim 20 is bent by using a die, the length of the connecting structure 22 is 1.5 times to 3 times the thickness of the rim body 21. In this way, the connecting structure 22 is formed by directly bending the circumferential edge of the first end of the rim 20 in the axial direction, so that the processing difficulty of the rim 20 can be reduced, and the length of the connecting structure 22 can be conveniently controlled.

Those skilled in the art will appreciate that the connecting structure 22 may extend toward the inside of the rim 20 or may extend toward the outside of the rim 20.

In an embodiment of the present application, not shown, the connecting structure 22 extends towards the outside of the rim 20. In this manner, the welding operation by a welding operator can be facilitated when welding the connecting structure 22 and the wheel disc 10 together.

In an alternative embodiment shown in fig. 1 and 2, the connecting structure 22 extends towards the inside of the rim 20. In this way, the connecting structure 22 can be effectively prevented from being damaged during handling of the welding.

As shown in fig. 1 and 2, the surface of connecting structure 22 facing wheel spoke 10 is planar and the surface of wheel spoke 10 that abuts connecting structure 22 is planar. Like this, can guarantee to closely laminate between connection structure 22 and the spoke 10 to guarantee the area of contact between connection structure 22 and the spoke 10, promote the stability of being connected between connection structure 22 and the spoke 10, can also improve the wheel precision of beating, promote the travelling comfort of vehicle in the in-process of traveling.

Considering the machining efficiency and the machining cost of the wheel, it is possible to perform only the turning of the surface of connecting structure 22 facing wheel disc 10 and to ensure the flatness of this surface. It is also possible to lathe only the surface of wheel disc 10 that abuts against connecting structure 22 and to ensure the flatness of this surface.

Where the flatness of the surface of connecting structure 22 facing wheel spoke 10 is highly desirable, the runout of this plane is required to be less than or equal to 0.5 mm.

As shown in fig. 1 and 2, the joint of wheel disc 10 and wheel rim 20 has bead structure 30, and bead structure 30 extends continuously and is located on the circumferential outer side of connecting structure 22 and/or the circumferential inner side of connecting structure 22. In this way, connecting structure 22 and wheel disc 10 are welded together by means of full-weld, thereby ensuring stable connection of wheel disc 10 and wheel rim 20.

Optionally, the joint of wheel disc 10 and wheel rim 20 has a plurality of bead structures 30, and a plurality of bead structures 30 are arranged around the circumferential outer side of connecting structure 22 and/or the circumferential inner side of connecting structure 22 at intervals, so that the number of welding rods used is reduced on the basis of ensuring that wheel disc 10 and wheel rim 20 can be stably connected, and the manufacturing cost of the wheel is reduced.

As shown in fig. 1 and 2, the wheel disc 10 includes a support ring plate 11 and an end plate 12, wherein the end plate 12 is connected to an inner peripheral edge of the support ring plate 11, the support ring plate 11 is in a horn shape, and a connection structure 22 is connected to an outer surface of the support ring plate 11 in the horn shape.

The application provides a wheel is full surface wheel, specifically, the periphery of supporting ring board 11 extends after bending and forms first rim structure 111, and the axial second end of rim 20 extends after bending and forms second rim structure 23, and rim 20 forms the wheel with spoke 10 through the welded mode after laminating with rim 20 and spoke 10 again, through the axiality of guaranteeing rim 20 and spoke 10 to guarantee the axiality of first rim structure 111 and second rim structure 23. The connecting seam between rim 20 and spoke 10 of the full-surface wheel is not directly exposed on the appearance surface of the wheel, so that the full-surface wheel has good appearance aesthetic feeling.

As shown in fig. 1, the end plate 12 is provided with a central hole 121 and a plurality of bolt holes 122 spaced around the central hole 121 in the circumferential direction for connecting with the hub. A plurality of wind holes 112 have been seted up on the supporting ring board 11, a plurality of wind holes 112 set up around the circumference of centre bore 121 equidistant, because the vehicle is at braking form in-process, can produce high temperature on the arresting gear, lead to the tire temperature rise, tire aging with higher speed, can also arouse even that the tire catches fire or serious occurence of failure such as blowing out, therefore, through set up a plurality of wind holes 112 on supporting ring board 11, can utilize the wind of wind hole 112 of flowing through, cool down the tire, thereby promote the life of tire, promote the safety in utilization of vehicle.

The application also provides a manufacturing method of the wheel, which is used for manufacturing the wheel and comprises the following steps: the connecting structure 22 is formed by bending the circumferential edge of the first end in the axial direction of the rim 20 toward the inner side of the rim 20 or the outer side of the rim 20, and the length of the connecting structure 22 is made to be 1.5 to 3 times the thickness of the rim body 21. According to the manufacturing method of the wheel, the connecting structure 22 is formed by directly bending the periphery of the first axial end of the rim 20, the processing difficulty of the rim 20 can be reduced, and the length of the connecting structure 22 can be conveniently controlled.

Optionally, the manufacturing method further comprises the steps of: machining the surface of connecting structure 22 facing spoke 10 into a plane by turning; the surface of wheel disc 10 opposite to connecting structure 22 is machined to be flat by turning. In this way, by ensuring the flatness of the surface of connecting structure 22 facing spoke 10 and the flatness of the surface of spoke 10 opposite connecting structure 22, spoke 10 and connecting structure 22 can be closely fitted together, thereby further improving the stability of connection of spoke 10 and connecting structure 22.

Wherein a high degree of flatness is required of the surface of connecting structure 22 facing spoke 10, the runout of this plane being less than or equal to 0.5 mm.

Optionally, the manufacturing method further comprises the steps of: attaching the surface of connecting structure 22 facing wheel spoke 10 to wheel spoke 10; rim 20 is welded to wheel disc 10 to form a wheel.

Alternatively, welding rim 20 with wheel disc 10 to form a wheel includes: rim 20 and wheel disc 10 are initially positioned by spot welding. Avoid rim 20 and spoke 10 to take place relative drunkenness in the welding process, influence the assembly precision of wheel.

Optionally, welding rim 20 with wheel disc 10 to form a wheel further comprises: rim 20 and wheel disc 10 are welded together by full-line welding, and weld bead structure 30 formed at the joint of the two is located on the circumferential outer side of connecting structure 22 and/or the circumferential inner side of connecting structure 22. The stability of the connection between wheel disc 10 and wheel rim 20 can be ensured by adopting the full-welding mode.

Optionally, welding rim 20 with wheel disc 10 to form a wheel further comprises: rim 20 and spoke 10 are welded together in a non-full-welding mode, a plurality of bead structures 30 are formed at the connecting positions of the rim 20 and the spoke 10, and the bead structures 30 are arranged around the circumferential outer side of connecting structure 22 and/or the circumferential inner side of connecting structure 22 at intervals, so that the using amount of welding rods is reduced on the basis that stable connection between spoke 10 and rim 20 is guaranteed, and the manufacturing cost of the wheel is reduced.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The relative arrangement of the components and steps, the numerical expressions and numerical values set forth in these embodiments do not limit the scope of the present invention unless specifically stated otherwise. Meanwhile, it should be understood that the sizes of the respective portions shown in the drawings are not drawn in an actual proportional relationship for the convenience of description. Techniques, methods, and apparatus known to those of ordinary skill in the relevant art may not be discussed in detail but are intended to be part of the specification where appropriate. In all examples shown and discussed herein, any particular value should be construed as merely illustrative, and not limiting. Thus, other examples of the exemplary embodiments may have different values. It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, further discussion thereof is not required in subsequent figures.

In the description of the present invention, it is to be understood that the orientation or positional relationship indicated by the orientation words such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and in the case of not making a reverse description, these orientation words do not indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Spatially relative terms, such as "above … …," "above … …," "above … …," "above," and the like, may be used herein for ease of description to describe one device or feature's spatial relationship to another device or feature as illustrated in the figures. It will be understood that the spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if a device in the figures is turned over, devices described as "above" or "on" other devices or configurations would then be oriented "below" or "under" the other devices or configurations. Thus, the exemplary term "above … …" can include both an orientation of "above … …" and "below … …". The device may be otherwise variously oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

It should be noted that the terms "first", "second", and the like are used to define the components, and are only used for convenience of distinguishing the corresponding components, and the terms have no special meanings unless otherwise stated, and therefore, the scope of the present invention should not be construed as being limited.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present application. As used herein, the singular is intended to include the plural unless the context clearly dictates otherwise, and it should be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.