A tire and vehicle
By designing recessed and grooved structures in the tire edge protector, the hard contact between the tire edge protector and the rim is reduced, solving the problem of tire edge protector cracking, improving durability and reducing the risk of damage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- AVATR CO LTD
- Filing Date
- 2025-08-14
- Publication Date
- 2026-07-07
AI Technical Summary
The protective sidewalls of existing low aspect ratio tires make hard contact with the rim, leading to cracking of the rubber layer and structural fatigue, thus shortening tire life.
The tire protection edge is designed to extend circumferentially along the tire body and convex axially outward from the outside of the rim. It has a first recess to absorb impact energy and reduce hard contact. The design combines grooves and multiple recesses to disperse impact energy.
It improves the overall durability of the tire, reduces the risk of early failure due to edge cracking, reduces tire damage, and does not affect the lateral protection effect.
Smart Images
Figure CN224465566U_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of vehicle technology, and more particularly to a tire and a vehicle. Background Technology
[0002] Currently, low-profile tires generally adopt a thickened rubber sidewall design to resist lateral scraping from curbs and gravel. The sidewall needs to have high rigidity. When the tire goes over potholes, the sidewall makes hard contact with the rim, which can easily generate shear stress, causing the rubber layer to crack or even peel off. Moreover, frequent impacts will accelerate the fatigue of the sidewall structure and shorten the tire's life. Utility Model Content
[0003] In view of this, the present application provides a tire that reduces the hard contact between the protective edge and the rim, thereby improving the overall durability of the tire and reducing the risk of tire damage.
[0004] This application also provides a vehicle including the tires described above.
[0005] To achieve the above objectives, the technical solution of this application embodiment is implemented as follows:
[0006] In a first aspect, embodiments of this application provide a tire, comprising: a rim, wherein an annular groove is provided on the outer peripheral wall of the rim, the annular groove extending along the circumferential direction of the rim; a tire body, the tire body being disposed around and connected to the rim, the radially inner end of the tire being disposed in the annular groove, at least one side of the tire body having a protective edge in the axial direction, the protective edge extending along the circumferential direction of the tire body and being disposed outside the annular groove, the protective edge protruding from the rim in the axial direction of the tire body, the protective edge being disposed on the radially outer side of the rim, and the protective edge having a first recess on the outer end face along the axial direction of the tire body.
[0007] The tire provided in this application embodiment has a protective edge on at least one side in the axial direction of the tire body. The protective edge extends along the circumferential direction of the tire body and is located outside the annular groove. In the axial direction of the tire body, the protective edge protrudes from the rim and is located on the radially outer side of the rim. The outer end face of the protective edge in the axial direction of the tire body has a first recess. When the tire is radially compressed, the protective edge at the first recess deforms, thereby absorbing impact energy and reducing the hard contact between the protective edge and the rim. This improves the overall durability of the tire, reduces the problem of early failure caused by cracking of the protective edge, and reduces the risk of tire damage.
[0008] In one possible implementation of this application, the protective edge has a groove on the side facing the rim, and the groove extends along the circumferential direction of the tire body.
[0009] In one possible implementation of this application, the grooves are a plurality of grooves spaced apart along the axial direction of the tire body.
[0010] In one possible implementation of this application, the material stiffness and density of the tire body at the first recess is less than the material stiffness and density of the tire body at other locations.
[0011] In one possible implementation of this application, the minimum thickness of the tire body at the first recess is greater than or equal to 2 mm in the axial direction of the tire body.
[0012] In one possible implementation of this application, the end face of the protective edge facing the rim is spaced apart from the radially outer end face of the rim.
[0013] In one possible implementation of this application, the first recess is a plurality of recesses spaced apart along the radial direction of the tire body.
[0014] In one possible implementation of this application, the inner peripheral wall of the tire carcass in the axial direction has a second recess, which is located on the outer side of the protective edge in the radial direction of the tire carcass and extends in the circumferential direction of the tire carcass.
[0015] In one possible implementation of this application, the first recess and the second recess are offset in the radial direction of the tire body.
[0016] Secondly, embodiments of this application provide a vehicle including the aforementioned tires.
[0017] The vehicle provided in this application embodiment has a tire with a protective edge on at least one side in the axial direction of the tire body. The protective edge extends along the circumferential direction of the tire body and is located outside the annular groove. In the axial direction of the tire body, the protective edge protrudes from the rim and is located on the radially outer side of the rim. The outer end face of the protective edge in the axial direction of the tire body has a first recess. When the tire is radially compressed, the protective edge at the first recess deforms, thereby absorbing impact energy and reducing the hard contact between the protective edge and the rim. This improves the overall durability of the tire, reduces the problem of early failure caused by cracking of the protective edge, and reduces the risk of tire damage.
[0018] The above description is merely an overview of the technical solutions of the embodiments of this application. In order to better understand the technical means of the embodiments of this application and to implement them in accordance with the contents of the specification, and to make the above and other objects, features and advantages of the embodiments of this application more obvious and understandable, specific implementation methods of this application are described below. Attached Figure Description
[0019] Figure 1 A perspective view of a tire provided in an embodiment of this application;
[0020] Figure 2 A side view of a tire provided for an embodiment of this application;
[0021] Figure 3 for Figure 2 Sectional view at point AA;
[0022] Figure 4 for Figure 3 Enlarged view of point B in the middle;
[0023] Figure 5 A front view of a tire provided in an embodiment of this application;
[0024] Figure 6 A side view of a tire provided as an embodiment of this application;
[0025] Figure 7 A perspective sectional view of a tire provided in an embodiment of this application;
[0026] Figure 8 A partial perspective sectional view of a tire provided in an embodiment of this application.
[0027] Figure label:
[0028] 10. Tires;
[0029] 1. Wheel rim; 11. Annular groove;
[0030] 2. Tire body; 21. Protective edge; 22. First recessed part; 23. Groove. Detailed Implementation
[0031] To make the objectives, technical solutions, and advantages of the embodiments of this application clearer, the specific technical solutions of this application will be further described in detail below with reference to the accompanying drawings of the embodiments of this application. The following embodiments are used to illustrate this application, but are not intended to limit the scope of this application.
[0032] In the embodiments of this application, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Therefore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of this application, unless otherwise stated, "multiple" means two or more.
[0033] Furthermore, in the embodiments of this application, directional terms such as "upper," "lower," "left," and "right" are defined relative to the positions in which the components are schematically placed in the accompanying drawings. It should be understood that these directional terms are relative concepts, used for relative description and clarification, and can change accordingly depending on the position of the components in the accompanying drawings.
[0034] In the embodiments of this application, unless otherwise explicitly specified and limited, the term "connection" should be interpreted broadly. For example, "connection" can mean a fixed connection, a detachable connection, or an integral part; it can mean a direct connection or an indirect connection through an intermediate medium.
[0035] In embodiments of this application, the terms "comprising," "including," or any other variations thereof are intended to cover non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements includes not only those elements but also other elements not expressly listed, or elements inherent to such a process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one..." does not exclude the presence of other identical elements in the process, method, article, or apparatus that includes that element.
[0036] In the embodiments of this application, the terms "exemplary" or "for example" are used to indicate that something is an example, illustration, or description. Any embodiment or design that is described as "exemplary" or "for example" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design. Specifically, the use of the terms "exemplary" or "for example" is intended to present the relevant concepts in a specific manner.
[0037] The following is for reference. Figures 1-8 The tire 10 provided in the embodiments of this application is described.
[0038] like Figures 1-8 As shown, in a first aspect, embodiments of this application provide a tire 10, including: a rim 1 and a tire body 2.
[0039] For details, please refer to Figures 1-8 The outer peripheral wall of the rim 1 has an annular groove 11, which extends along the circumferential direction of the rim 1. The tire body 2 is arranged around the rim 1 and connected to the rim 1. The radial inner end of the tire 10 is located in the annular groove 11. At least one side (one or both sides) of the tire body 2 in the axial direction has a protective edge 21, which extends along the circumferential direction of the tire body 2 and is located outside the annular groove 11. In the axial direction of the tire body 2, the protective edge 21 protrudes from the rim 1 and is located on the radial outer side of the rim 1. The outer end face of the protective edge 21 in the axial direction of the tire body 2 has a first recess 22.
[0040] Understandably, the first recess 22 is located at the radially inner end of the protective edge 21, i.e., at the end of the protective edge 21 facing the rim 1. The presence of the first recess 22 makes the structure of the protective edge 21 at this location relatively weak and prone to deformation. When the tire 10 is subjected to radial pressure, the deformation of the protective edge 21 at the first recess 22 absorbs the impact energy, reducing the hard contact between the protective edge 21 and the rim 1, and lowering the risk of tire 10 damage. By reducing stress concentration on the protective edge 21 under dynamic conditions, the overall durability of the tire 10 is improved, reducing the risk of early failure due to cracking of the protective edge 21.
[0041] Furthermore, the design of the first recess 22 reduces the use of some rubber materials while ensuring performance, which helps to reduce the weight of the tire 10 without affecting its functionality. Moreover, the design of the first recess 22 requires no other additional structures, making it simple in structure and easy to modify in the manufacturing process.
[0042] Meanwhile, the un-dented portion of the protective edge 21 maintains continuous support and lateral stiffness, thereby ensuring the protection of the rim 1 and ensuring that the tire 10 is not affected when encountering lateral scraping from curbs, stones, etc.
[0043] The tire 10 provided in this embodiment has a protective edge 21 on at least one side of the tire body 2 in the axial direction. The protective edge 21 extends in the circumferential direction of the tire body 2 and is located outside the annular groove 11. In the axial direction of the tire body 2, the protective edge 21 protrudes from the rim 1 and is located on the radial outer side of the rim 1. The outer end face of the protective edge 21 in the axial direction of the tire body 2 has a first recess 22. When the tire 10 is radially compressed, the protective edge 21 at the first recess 22 deforms, thereby absorbing impact energy and reducing the hard contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces the problem of early failure caused by cracking of the protective edge 21, and reduces the risk of damage to the tire 10.
[0044] In one possible implementation of this application, such as Figure 3 , Figure 4 , Figure 7 and Figure 8As shown, the protective edge 21 has a groove 23 on the side facing the rim 1, and the groove 23 extends along the circumferential direction of the tire body 2. It can be understood that when the tire 10 is subjected to radial pressure, the side of the protective edge 21 facing the rim 1 will contact the rim 1. The groove 23 on this side ensures a non-planar contact between the protective edge 21 and the rim 1, further dispersing impact energy, absorbing vibration, and reducing the rigid contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces premature failure caused by cracking of the protective edge 21, and lowers the risk of tire 10 damage.
[0045] In addition, the groove 23 also reduces the use of some rubber material, which helps to reduce the weight of the tire 10.
[0046] In one possible implementation of this application, such as Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, the grooves 23 are multiple grooves spaced apart along the axial direction of the tire body 2. This causes the contact surface between the protective edge 21 and the rim 1 on the side facing the rim 1 to form a wavy surface, thereby further dispersing impact energy, absorbing vibration, and further reducing the hard contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces the problem of early failure caused by cracking of the protective edge 21, and reduces the risk of damage to the tire 10.
[0047] In one possible implementation of this application, the material stiffness and density of the tire carcass 2 at the first recess 22 are lower than those at other locations. This makes the protective edge 21 at the first recess 22 more easily deformable, thereby better absorbing impact energy, reducing hard contact between the protective edge 21 and the rim 1, improving the overall durability of the tire 10, reducing early failure caused by cracking of the protective edge 21, and lowering the risk of tire 10 damage.
[0048] In one possible implementation of this application, the minimum thickness of the tire body 2 at the first recess 22 in the axial direction of the tire body 2 is greater than or equal to 2 mm, for example, the minimum thickness of the tire body 2 at the first recess 22 is 2 mm, 3 mm, 4 mm or 5 mm, etc.
[0049] Therefore, the minimum thickness of the tire body 2 at the first recess 22 can be avoided to be too small, thereby ensuring that the tire body 2 at the first recess 22 has sufficient structural strength and preventing the tire body 2 at the first recess 22 from breaking.
[0050] In one possible implementation of this application, such as Figure 3 , Figure 4 , Figure 7 and Figure 8 As shown, the end face of the protective edge 21 facing the rim 1 is spaced apart from the radial outer end face of the rim 1. Therefore, when the tire 10 is subjected to a small pressure impact, the impact energy can be absorbed through the deformation space between the end face of the protective edge 21 facing the rim 1 and the radial outer end face of the rim 1. This avoids contact between the end face of the protective edge 21 facing the rim 1 and the radial outer end face of the rim 1, further reducing the hard contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces early failure caused by cracking of the protective edge 21, and lowers the risk of tire 10 damage.
[0051] In one possible implementation of this application, the first recess 22 consists of multiple recesses spaced apart along the radial direction of the tire body 2. This further increases the deformation energy absorption space of the protective edge 21, thereby further preventing the end face of the protective edge 21 facing the rim 1 from contacting the radial outer end face of the rim 1, thus further reducing the hard contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces the problem of early failure caused by cracking of the protective edge 21, and reduces the risk of damage to the tire 10.
[0052] It should be noted that, in the radial direction of the tire body 2, the protective edge 21 includes a support section and a connecting section. The support section protrudes from the rim 1 along the axial direction of the tire body 2 and is suitable for contacting the curb. There are two connecting sections, which are connected to both sides of the support section in the radial direction. Along the direction from the support section to the connecting section, the connecting section is inclined away from the direction of the support section protrusion. In this case, multiple first recesses 22 are provided on the connecting section on the radial inner side of the support section, thereby avoiding the first recesses 22 being provided on the support section and ensuring the lateral stiffness of the protective edge 21.
[0053] In one possible implementation of this application, the inner peripheral wall of the tire body 2 in the axial direction has a second recess (not shown), which is located on the outer side of the protective edge 21 in the radial direction of the tire body 2 and extends in the circumferential direction of the tire body 2.
[0054] The second recess and the protective edge 21 are arranged opposite each other in the axial direction of the tire body 2. The arrangement of the second recess further increases the deformation energy absorption space of the tire 10, thereby further preventing the end face of the protective edge 21 facing the rim 1 from contacting the radial outer end face of the rim 1, thus further reducing the hard contact between the protective edge 21 and the rim 1. This improves the overall durability of the tire 10, reduces the problem of early failure caused by cracking of the protective edge 21, and reduces the risk of damage to the tire 10.
[0055] In one possible implementation of this application, the first recess 22 and the second recess are offset in the radial direction of the tire body 2. This avoids the problem of insufficient thickness of the tire body 2 at the relative positions of the first recess 22 and the second recess due to their relative arrangement, thus ensuring the structural strength of the tire body 2.
[0056] The vehicle provided according to an embodiment of this application is described below.
[0057] Secondly, embodiments of this application provide a vehicle including the aforementioned tire 10.
[0058] The vehicle provided in this application embodiment, by setting the tire 10 described above, has a protective edge 21 on at least one side of the tire body 2 in the axial direction. The protective edge 21 extends along the circumferential direction of the tire body 2 and is located outside the annular groove 11. In the axial direction of the tire body 2, the protective edge 21 protrudes from the rim 1 and is located on the radial outer side of the rim 1. The outer end face of the protective edge 21 in the axial direction of the tire body 2 has a first recess 22. When the tire 10 is radially compressed, the protective edge 21 at the first recess 22 deforms, thereby absorbing impact energy and reducing the hard contact between the protective edge 21 and the rim 1, thereby improving the overall durability of the tire 10, reducing the problem of early failure caused by cracking of the protective edge 21, and reducing the risk of damage to the tire 10.
[0059] The sequence numbers of the embodiments in this application are for descriptive purposes only and do not represent the superiority or inferiority of the embodiments. The above are merely preferred embodiments of this application and do not limit the patent scope of this application. Any equivalent structural or procedural transformations made based on the content of this application's specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this application.
Claims
1. A tire, characterized in that, include: A rim, wherein the outer peripheral wall of the rim has an annular groove that extends along the circumferential direction of the rim; The tire body is disposed around and connected to the rim. The radial inner end of the tire is disposed in the annular groove. At least one side of the tire body in the axial direction has a protective edge. The protective edge extends along the circumferential direction of the tire body and is disposed outside the annular groove. In the axial direction of the tire body, the protective edge protrudes from the rim and is disposed on the radial outer side of the rim. The protective edge has a first recess on the outer end face of the protective edge in the axial direction of the tire body.
2. The tire according to claim 1, characterized in that, The protective edge has a groove on the side facing the rim, and the groove extends along the circumferential direction of the tire body.
3. The tire according to claim 2, characterized in that, The grooves are multiple grooves spaced apart along the axial direction of the tire body.
4. The tire according to claim 1, characterized in that, The material stiffness and density of the tire body at the first recessed portion are less than those of the tire body at other locations.
5. The tire according to claim 1, characterized in that, In the axial direction of the tire body, the minimum thickness of the tire body at the first recess is greater than or equal to 2 mm.
6. The tire according to claim 1, characterized in that, The end face of the protective edge facing the rim is spaced apart from the radial outer end face of the rim.
7. The tire according to claim 1, characterized in that, The first recess is a plurality of recesses spaced apart along the radial direction of the tire body.
8. The tire according to claim 1, characterized in that, The inner peripheral wall of the tire body in the axial direction has a second recess, which is located on the outer side of the protective edge in the radial direction of the tire body and extends in the circumferential direction of the tire body.
9. The tire according to claim 8, characterized in that, The first recess and the second recess are offset in the radial direction of the tire body.
10. A vehicle, characterized in that, Including the tires according to any one of claims 1-9.