Tire and vehicle with same

Abstract

The utility model discloses a tire and a vehicle with the same, the tire comprises a tire body and a resonant cavity inner wall, and a tire cavity is formed by the tire body and a hub; the resonant cavity inner wall is installed on the inner side face of the tire body, a resonant cavity is formed between the resonant cavity inner wall and the tire body, and the resonant cavity is communicated with the tire cavity through a communicating hole. According to the tire disclosed by the embodiment of the utility model, the resonant cavity inner wall is arranged in the tire cavity, and the resonant cavity is formed between the resonant cavity inner wall and the tire body, so that the noise generated by the tire when a vehicle runs can be effectively reduced, and the vibration of the tire can be effectively counteracted or weakened; and the driving stability and the riding comfort can be effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of vehicles, and particularly relates to a tire and a vehicle having the same. Background Art

[0002] When the tire body is installed on the wheel hub, air is inflated into the tire through the valve to form a sealed air cavity, that is, the tire cavity. The air filled in this cavity (or other gases in some special applications) provides the necessary elastic buffering effect, supports the vehicle weight, and absorbs the impact force of the ground during driving, thereby ensuring the comfort and safety of driving.

[0003] However, due to the existence of the sealed tire cavity, a cavity mode is generated. The cavity mode amplifies the excitation force generated by the contact between the tire and the ground at the tire cavity mode frequency, forming a relatively large tire cavity sound, which causes great trouble to the overall vehicle road noise.

[0004] In the related art, the main means to solve the tire cavity sound is to paste sponge and polyurethane foam on the inner side of the tire body to change the size of the tire cavity and improve the tire cavity noise, but the noise reduction effect is general. Summary of the Utility Model

[0005] The utility model aims to solve at least one of the technical problems existing in the prior art. For this reason, an object of the utility model is to provide a tire with good noise reduction effect, which is beneficial to improving driving stability and riding comfort.

[0006] The tire according to the embodiment of the utility model includes: a tire body, the tire body and the wheel hub form a tire cavity; a resonant cavity inner wall, the resonant cavity inner wall is installed on the inner side of the tire body, and a resonant inner cavity is formed between the resonant cavity inner wall and the tire body, and the resonant inner cavity is communicated with the tire cavity through a communication hole.

[0007] For the tire according to the embodiment of the utility model, by arranging a resonant cavity inner wall in the tire cavity, a resonant inner cavity is formed between the resonant cavity inner wall and the tire body, which can effectively reduce the noise generated by the tire during vehicle driving, and can also effectively cancel or weaken the vibration of the tire, and can effectively improve driving stability and riding comfort.

[0008] In addition, the tire according to the utility model may further have the following additional technical features:

[0009] In some embodiments of the utility model, the resonant cavity inner wall is annular around the axis of the tire, and the resonant inner cavity formed between the resonant cavity inner wall and the tire body is an annular cavity.

[0010] In some embodiments of the present utility model, at least one partition is provided in the resonance inner cavity, and one partition is used to divide at least two sub-resonance cavities in the resonance inner cavity, and each sub-resonance cavity has the communication hole communicating with the tire cavity.

[0011] In some embodiments of the present utility model, there are multiple sub-resonance cavities, and at least two of the multiple sub-resonance cavities have different sizes.

[0012] In some embodiments of the present utility model, there are multiple resonance cavity inner walls, and the multiple resonance cavity inner walls are arranged around the axis of the tire, and each resonance cavity inner wall constructs the resonance inner cavity between it and the tire body.

[0013] In some embodiments of the present utility model, the resonance cavity inner wall includes at least two, and at least two resonance cavity inner walls include a first resonance cavity inner wall and a second resonance cavity inner wall. The first resonance cavity inner wall and the second resonance cavity inner wall are spaced apart along the width direction of the tire body. The resonance inner cavity between the first resonance cavity inner wall and the tire body is the first resonance cavity, and the resonance inner cavity between the second resonance cavity inner wall and the tire body is the second resonance cavity.

[0014] In some embodiments of the present utility model, the tire body includes a tread and a first side surface and a second side surface symmetrically connected to both sides of the tread. One end of the first resonance cavity inner wall is connected to the first side surface, and the other end is connected to the tread. One end of the second resonance cavity inner wall is connected to the second side surface, and the other end is connected to the tread.

[0015] In some embodiments of the present utility model, the tire has a symmetry plane extending in the radial direction of the tire. Among them, the first resonance cavity and the second resonance cavity are symmetrically arranged along the symmetry plane, and the first resonance cavity inner wall and the second resonance cavity inner wall are symmetrically arranged along the symmetry plane.

[0016] In some embodiments of the present utility model, the resonance cavity inner wall and the tire body are an integrally formed one-piece; or, the resonance cavity inner wall and the tire body are respectively integrally formed one-pieces.

[0017] The present utility model also proposes a vehicle having the tire of the above embodiments.

[0018] According to the vehicle of the embodiment of the present utility model, by providing the tire of the above embodiment, the noise generated by the tire during vehicle driving can be effectively reduced, and the vibration of the tire can also be effectively offset or weakened, and the driving stability and riding comfort can be effectively improved.

[0019] Additional aspects and advantages of the present utility model will be given in part in the following description, become apparent in part from the following description, or be understood through the practice of the present utility model. Description of the Drawings

[0020] The above and / or additional aspects and advantages of the present utility model will become apparent and be readily understood from the description of the embodiments in conjunction with the following drawings, in which:

[0021] Figure 1 is a cross-sectional view of a tire in the radial direction according to an embodiment of the present utility model.

[0022] Figure 2 is a cross-sectional view of a tire in the axial direction according to an embodiment of the present utility model.

[0023] Reference Numerals:

[0024] tire 100,

[0025] tire body 1, tire cavity 11, tread 12, first side 13, second side 14,

[0026] inner wall of the resonant cavity 2, sub-resonant cavity 211, communication hole 22, first inner wall of the resonant cavity 23, first resonant cavity 231, second inner wall of the resonant cavity 24, second resonant cavity 241, partition 3, symmetry plane X. Detailed Description of the Embodiments

[0027] Embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for explaining the present utility model and should not be construed as limiting the present utility model.

[0028] In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by terms such as "upper", "lower", "front", "rear", "left", "right", etc. is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. In addition, the terms "first" and "second" are only used for descriptive purposes and should not be construed as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of such features. In the description of the present utility model, "a plurality" means two or more unless otherwise specifically defined.

[0029] In the description of the present utility model, it should be noted that unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the communication inside two components or the interaction relationship between two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances.

[0030] Reference will be made below to Figure 1 - Figure 2 describe a tire 100 according to an embodiment of the present utility model.

[0031] As Figure 1 - Figure 2 shown, a tire 100 according to an embodiment of the present utility model includes a tire body 1 and a resonant cavity inner wall 2. The tire body 1 and the wheel hub define a tire cavity 11. The resonant cavity inner wall 2 is installed on the inner side of the tire body 1, and a resonant inner cavity is defined between the resonant cavity inner wall 2 and the tire body 1. The resonant inner cavity communicates with the tire cavity 11 through a communication hole 22.

[0032] The tire body 1 is mainly composed of a rubber composite material, including an inner liner, a carcass ply (body), a belt ply (steel wire or nylon belt in a radial tire), and a tread rubber, etc. These structures together endow the tire 100 with strength, elasticity, and wear resistance. The tread 12 is the part that directly contacts the ground and is designed with various patterns to enhance the grip and drainage ability.

[0033] The wheel hub, also known as a rim, is a metal component on the vehicle axle for fixing the tire body 1. There is a hole in the center of the wheel hub for installation on the axle, and flanges or bolt holes for fixing the tire 100 are designed around it. The size and type of the wheel hub (such as parameters like width, diameter, PCD, etc.) need to match the tire 100 to ensure safe installation and performance.

[0034] When the tire body 1 is installed on the wheel hub, air is filled into the tire 100 through the valve to form a sealed air cavity, that is, the tire cavity 11. The air (or other gases in some special applications) filled in this cavity provides the necessary elastic buffering effect, supports the vehicle weight, and absorbs the impact force from the ground during driving, thereby ensuring the comfort and safety of driving.

[0035] However, due to the existence of the sealed tire cavity 11, a cavity mode is generated. The cavity mode amplifies the excitation force generated by the contact between the tire 100 and the ground at the modal frequency of the tire cavity 11, forming a relatively large sound in the tire cavity 11, which causes a great trouble to the overall vehicle road noise.

[0036] In related technologies, the means to solve tire cavity noise mainly involve pasting sponge and polyurethane foam on the inner side of the tire body to change the size of the tire cavity and improve tire cavity noise, but the noise reduction effect is generally average.

[0037] In this application, by arranging a resonance cavity inner wall 2 in the tire cavity 11, the resonance cavity inner wall 2 is installed on the inner side of the tire body 1, and a resonance inner cavity is constructed between the resonance cavity inner wall 2 and the tire body 1. The resonance inner cavity is communicated with the tire cavity 11 through a communication hole 22. The resonance inner cavity can adjust and absorb noise of a certain frequency, which can help reduce the noise generated when the tire 100 rotates, especially the resonance noise. Thus, the quietness during vehicle driving can be improved. Additionally, by constructing a resonance inner cavity in the tire cavity 11, the vibration of the tire 100 can also be better canceled or weakened, effectively enhancing driving stability and riding comfort.

[0038] For the tire 100 according to an embodiment of the present utility model, by arranging a resonance cavity inner wall 2 in the tire cavity 11 and constructing a resonance inner cavity between the resonance cavity inner wall 2 and the tire body 1, the noise generated by the tire 100 during vehicle driving can be effectively reduced, and the vibration of the tire 100 can also be effectively canceled or weakened, effectively enhancing driving stability and riding comfort.

[0039] In some embodiments of the present utility model, as Figure 1 - Figure 2 shown, the resonance cavity inner wall 2 is annular around the axis of the tire 100, and the resonance inner cavity constructed between the resonance cavity inner wall 2 and the tire body 1 is an annular cavity. The annular resonance inner cavity helps to more evenly absorb or disperse sound waves within the entire circumference of the tire 100, can reduce the continuous frequency band noise generated by the rotation of the tire 100, and is not likely to affect the mechanical properties and stability of the tire 100.

[0040] In some embodiments of the present utility model, as Figure 1 - Figure 2 shown, at least one partition member 3 is arranged in the resonance inner cavity, and one partition member 3 is used to partition at least two sub-resonance cavities 211 in the resonance inner cavity, and each sub-resonance cavity 211 has a communication hole 22 communicated with the tire cavity 11.

[0041] Exemplarily, as Figure 1 - Figure 2 shown, the resonance inner cavity is annular around the axis of the tire 100, and a plurality of partition members 3 are arranged, and the plurality of partition members 3 are spaced apart around the axis of the tire 100.

[0042] Exemplarily, through holes are arranged on the partition member 3, and the through holes are used to communicate adjacent two sub-resonance cavities 211.

[0043] Exemplarily, the resonant inner cavity is arranged at any position within the tire cavity 11. There is one or more resonant inner cavities. When there are multiple resonant inner cavities, each resonant inner cavity may be provided with a partition member 3, and each resonant inner cavity is divided into two or more sub-resonant cavities 211 by the partition member 3.

[0044] Exemplarily, there are multiple sub-resonant cavities 211, and at least two of the multiple sub-resonant cavities 211 have different sizes.

[0045] Exemplarily, there are multiple resonant cavity inner walls 2. The multiple resonant cavity inner walls 2 are arranged around the axis of the tire 100, and each resonant cavity inner wall 2 constructs a resonant inner cavity with the tire body 1. At least two of the multiple resonant inner cavities have different sizes.

[0046] In the above examples, by arranging multiple resonant inner cavities with different sizes or positions within the tire cavity 11, a wider noise suppression can be achieved. This design strategy of multiple resonant inner cavities is similar to using sound-absorbing materials with multiple frequency responses in audio engineering to optimize the acoustic environment, aiming to more comprehensively absorb or disperse the noise energy of different frequency bands.

[0047] In some embodiments of the present utility model, the resonant cavity inner wall 2 includes at least two. The at least two resonant cavity inner walls 2 include a first resonant cavity inner wall 23 and a second resonant cavity inner wall 24. The first resonant cavity inner wall 23 and the second resonant cavity inner wall 24 are spaced apart along the width direction of the tire body 1. The resonant inner cavity between the first resonant cavity inner wall 23 and the tire body 1 is the first resonant cavity 231, and the resonant inner cavity between the second resonant cavity inner wall 24 and the tire body 1 is the second resonant cavity 241. By constructing the first resonant cavity 231 and the second resonant cavity 241 within the tire 100, the ability of the tire 100 to adjust and absorb noise can be improved preferably, and the noise generated during the rotation of the tire 100, especially the resonance noise, can be further reduced, thereby improving the quietness during vehicle driving.

[0048] Optionally, the tire body 1 includes a tread 12 and a first sidewall 13 and a second sidewall 14 symmetrically connected to both sides of the tread 12. One end of the first resonant cavity inner wall 23 is connected to the first sidewall 13, and the other end is connected to the tread 12. One end of the second resonant cavity inner wall 24 is connected to the second sidewall 14, and the other end is connected to the tread 12. A "triangle-like" structure can be constructed at two corners of the tire body 1, effectively enhancing the structural strength of the tire body 1.

[0049] In some embodiments of the present utility model, such as Figure 1 - Figure 2As shown, the tire 100 has a symmetry plane X extending in the radial direction of the tire 100. The tire body 1 includes a tread 12 and a first sidewall 13 and a second sidewall 14 symmetrically connected to both sides of the tread 12. The inner wall 2 of the resonant cavity includes a first inner wall 23 of the resonant cavity and a second inner wall 24 of the resonant cavity. One end of the first inner wall 23 of the resonant cavity is connected to the first sidewall 13, and the other end is connected to the tread 12. The resonant inner cavity between the first inner wall 23 of the resonant cavity and the tire body 1 is the first resonant cavity 231. One end of the second inner wall 24 of the resonant cavity is connected to the second sidewall 14, and the other end is connected to the tread 12. The resonant inner cavity between the second inner wall 24 of the resonant cavity and the tire body 1 is the second resonant cavity 241. Among them, the first resonant cavity 231 and the second resonant cavity 241 are symmetrically arranged along the symmetry plane X, and the first inner wall 23 of the resonant cavity and the second inner wall 24 of the resonant cavity are symmetrically arranged along the symmetry plane X. Thus, it is beneficial to the stability of the tire 100. And when the tire 100 rotates, the symmetrically arranged first resonant cavity 231 and second resonant cavity 241, and the symmetrically arranged first inner wall 23 of the resonant cavity and second inner wall 24 of the resonant cavity can also better coordinate the dynamic balance of the tire 100, can evenly distribute the mass of the tire 100 when the tire 100 rotates, and can avoid vibrations and unstable driving states caused by mass imbalance. Thus, it can effectively ensure the smooth driving of the vehicle, reduce the vibration of the tire 100, and can also effectively extend the service life of the tire 100.

[0050] Exemplarily, the first resonant cavity 231 is an annular shape surrounding the axis of the tire 100, and the second resonant cavity 241 is an annular shape surrounding the axis of the tire 100.

[0051] Exemplarily, a plurality of first resonant cavities 231 are provided, and the plurality of first resonant cavities 231 are spaced apart around the axis of the tire 100. A plurality of second resonant cavities 241 are provided, and the plurality of second resonant cavities 241 are spaced apart around the axis of the tire 100.

[0052] In the above examples, it can not only increase the number of resonant inner cavities, but also better weaken the problem of the dynamic balance of the tire 100 caused by adding the inner wall 2 of the resonant cavity in the tire cavity 11, which is beneficial to the stability of the tire 100.

[0053] In some embodiments of the present invention, the inner wall 2 of the resonant cavity is made of the same material as the tire body 1.

[0054] In the above example, when the material of the inner wall 2 of the resonator cavity is the same as that of the tire body 1, in one example, the inner wall 2 of the resonator cavity and the tire body 1 are integrally formed, that is, the inner wall 2 of the resonator cavity can be directly constructed on the inner side of the tire body 1 when the tire 100 is integrally formed; in one example, the inner wall 2 of the resonator cavity and the tire body 1 are respectively integrally formed, that is, the tire body 1 and the inner wall 2 of the resonator cavity can be respectively manufactured and then installed on the inner side of the tire body 1 by vulcanization or other means.

[0055] Compared with the related art, adding noise reduction materials such as sponge and polyurethane foam to the tire 100, the sponge and polyurethane foam are likely to fall off, resulting in balance problems of the tire 100. Moreover, adding sponge or polyurethane foam in the tire cavity 11 is likely to have a certain impact on patching the tire 100 with a tire repair liquid. In this application, since the inner wall 2 of the resonator cavity is not likely to fall off after being installed on the tire body 1, it is not likely to affect the balance of the tire 100, and it is also not likely to have an impact on patching the tire with a tire repair liquid.

[0056] The present utility model also proposes a vehicle having the tire 100 of the above embodiment.

[0057] According to the vehicle of the embodiment of the present utility model, by providing the tire 100 of the above embodiment, the noise generated by the tire 100 during vehicle driving can be effectively reduced, and the vibration of the tire 100 can also be effectively offset or weakened, which can effectively improve the driving stability and riding comfort.

[0058] The other constitutions and operations of the vehicle and the tire 100 according to the embodiment of the present utility model are known to those of ordinary skill in the art and will not be described in detail here.

[0059] In the description of this specification, the description referring to terms such as "some embodiments", "optionally", "further" or "some examples" means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present utility model. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in a suitable manner in any one or more embodiments or examples.

[0060] Although the embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and purposes of the present utility model, and the scope of the present utility model is defined by the claims and their equivalents.

Claims

1. A tire, characterized in that: include: A tire body, wherein the tire body and the wheel hub form a tire cavity; The inner wall of the resonance cavity is installed on the inner side of the tire body, a resonance cavity is constructed between the inner wall of the resonance cavity and the tire body, and the resonance cavity is connected with the tire cavity through a connecting hole.

2. The tire according to claim 1, characterized in that The inner wall of the resonance cavity is in a ring shape surrounding the axis of the tire, and the resonance inner cavity constructed between the inner wall of the resonance cavity and the tire body is an annular cavity.

3. The tire according to claim 1 or 2, characterized in that: At least one partition is arranged in the resonant inner cavity, and one of the partitions is used to separate at least two sub-resonant cavities in the resonant inner cavity, and each of the sub-resonant cavities has the communicating hole communicating with the tire cavity.

4. The tire according to claim 3, characterized in that There are a plurality of sub-resonant cavities, and at least two of the plurality of sub-resonant cavities have different sizes.

5. The tire according to claim 1, characterized in that There are multiple inner walls of the resonance cavity, and the multiple inner walls of the resonance cavity are arranged around the axis of the tire. The resonance cavity is constructed between each inner wall of the resonance cavity and the tire body.

6. The tire according to any one of claims 1 to 5, characterized in that The resonance cavity inner walls include at least two, and the at least two resonance cavity inner walls include a first resonance cavity inner wall and a second resonance cavity inner wall, the first resonance cavity inner wall and the second resonance cavity inner wall are spaced apart along the width direction of the tire body, the resonance cavity between the first resonance cavity inner wall and the tire body is a first resonance cavity, and the resonance cavity between the second resonance cavity inner wall and the tire body is a second resonance cavity.

7. The tire according to claim 6, characterized in that The tire body includes a tread and a first side surface and a second side surface symmetrically connected to both sides of the tread, one end of the inner wall of the first resonance cavity is connected to the first side surface, and the other end is connected to the tread, one end of the inner wall of the second resonance cavity is connected to the second side surface, and the other end is connected to the tread.

8. The tire according to claim 7, characterized in that The tire has a symmetry plane extending in a radial direction of the tire, The first resonant cavity and the second resonant cavity are symmetrically arranged along the symmetry plane, and the inner wall of the first resonant cavity and the inner wall of the second resonant cavity are symmetrically arranged along the symmetry plane.

9. The tire according to claim 1, characterized in that The inner wall of the resonance cavity and the tire body are integrally formed as one piece; or, the inner wall of the resonance cavity and the tire body are respectively integrally formed as one piece.

10. A vehicle, characterized in that: A tire comprising the tire described in any one of claims 1 to 9.

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