Tire pattern and new energy automobile tire

Abstract

The utility model discloses a tire pattern and a new energy automobile tire, and belongs to the technical field of tires. A tread pattern comprises a first shoulder pattern block, a first longitudinal groove, a first middle pattern block, a second longitudinal groove, a central pattern block, a third longitudinal groove, a second middle pattern block, a fourth longitudinal groove and a second shoulder pattern block which are sequentially arranged from one side to the other side of a tread, silencing parts are arranged on the first longitudinal groove, the second longitudinal groove, the third longitudinal groove and the fourth longitudinal groove; a silencing cavity is formed in the silencing part, silencing cotton is filled in the silencing cavity, a first silencing block, a second silencing block and a third silencing block are arranged on the outer surface of the silencing part, silencing holes are formed in the first silencing block, the second silencing block and the third silencing block, and the silencing holes are communicated with the silencing cavity. Noise in the running process is reduced while good drainage, ground gripping and other performance of the tire are guaranteed, and the using performance of the tire is effectively improved.

Description

Technical Field

[0001] The present application relates to a tire pattern and a new energy vehicle tire, belonging to the technical field of tires. Background Art

[0002] New energy vehicles have more stringent use conditions for tires than gasoline / diesel vehicles, and thus have stricter requirements for tire pattern design: Lower noise requirements: New energy vehicles use electric motors instead of engines to reduce the noise of the entire vehicle, thereby increasing the impact of tire noise on the entire vehicle. Therefore, based on the performance requirements and analysis of the new energy vehicle market, how to design a tire suitable for new energy vehicles that ensures good drainage, grip and other performance while taking into account the quiet performance of the vehicle during driving is a technical problem that needs to be solved urgently. Utility Model Content

[0003] In order to solve the above problems, the present application proposes a tire pattern and a new energy vehicle tire, which reduces the noise during driving while ensuring good drainage, grip and other performance of the tire, thereby effectively improving the performance of the tire.

[0004] The utility model provides the following technical solutions:

[0005] According to one aspect of the present application, a tire pattern is provided, comprising a first shoulder pattern block, a first longitudinal groove, a first middle pattern block, a second longitudinal groove, a center pattern block, a third longitudinal groove, a second middle pattern block, a fourth longitudinal groove and a second shoulder pattern block arranged in sequence from one side of the tread to the other side, wherein the first longitudinal groove, the second longitudinal groove, the third longitudinal groove and the fourth longitudinal groove are all provided with a muffler;

[0006] The silencer portion has a silencer cavity filled with silencer cotton, and the outer surface of the silencer portion is provided with a first silencer block, a second silencer block and a third silencer block, and the first silencer block, the second silencer block and the third silencer block are all provided with silencer holes, and the silencer holes are connected to the silencer cavity.

[0007] Optionally, the first silencer block, the second silencer block and the third silencer block are all convex-shaped, the height of the first silencer block is greater than the height of the second silencer block, and the height of the second silencer block is greater than the height of the third silencer block.

[0008] Optionally, the height of the second silencer block is 1 / 3-3 / 4 of the height of the first silencer block, and the height of the third silencer block is 1 / 3-3 / 4 of the height of the second silencer block.

[0009] Optionally, a plurality of central transverse grooves are evenly distributed along the circumferential direction of the tire on the central tread block, and both ends of the central transverse grooves are respectively communicated with the second longitudinal groove and the third longitudinal groove.

[0010] Optionally, a bent longitudinal fine groove and a straight transverse fine groove are provided on the central tread block. Both ends of the bent longitudinal fine groove are communicated with the central transverse groove. The straight transverse fine groove is arranged offset along the central axis of the tire and is communicated with the second longitudinal groove or the third longitudinal groove.

[0011] Optionally, the first middle tread block and the second middle tread block are symmetrically arranged on both sides of the central tread block. A plurality of first middle transverse grooves are evenly distributed along the circumferential direction of the tire on the first middle tread block. One end of the first middle transverse groove is communicated with the first longitudinal groove, and the other end is communicated with the second longitudinal groove. A plurality of second middle transverse grooves are evenly distributed along the circumferential direction of the tire on the second middle tread block. One end of the second middle transverse groove is communicated with the third longitudinal groove, and the other end is communicated with the fourth longitudinal groove.

[0012] Optionally, a first inclined groove and a first transverse groove are provided on the first middle tread block. Both ends of the first inclined groove are communicated with the first middle transverse groove, and the first transverse groove is communicated with the first longitudinal groove;

[0013] A second inclined groove and a second transverse groove are provided on the second middle tread block. Both ends of the second inclined groove are communicated with the second middle transverse groove, and the second transverse groove is communicated with the fourth longitudinal groove.

[0014] Optionally, a plurality of first shoulder transverse grooves are evenly distributed on the first shoulder tread block, and the first shoulder transverse grooves are communicated with the first longitudinal groove;

[0015] A plurality of second shoulder transverse grooves are evenly distributed on the second shoulder tread block, and the second shoulder transverse grooves are communicated with the fourth longitudinal groove.

[0016] Optionally, a third inclined groove, a first transverse bent groove, a fourth inclined groove, a second transverse bent groove and a fifth inclined groove are sequentially communicated on the first shoulder tread block. The third inclined groove and the fourth inclined groove are cross-distributed on both sides of the first transverse bent groove. The fourth inclined groove and the fifth inclined groove are cross-distributed on both sides of the second transverse bent groove. One end of the third inclined groove far away from the first transverse bent groove is communicated with the first shoulder transverse groove, and one end of the fifth inclined groove far away from the second transverse bent groove is communicated with the first shoulder transverse groove;

[0017] On the second shoulder tread block, there are a sixth inclined groove, a third transverse bending groove, a seventh inclined groove, a fourth transverse bending groove, and an eighth inclined groove that are connected in sequence. The sixth inclined groove and the seventh inclined groove are cross-distributed on both sides of the third transverse bending groove. The seventh inclined groove and the eighth inclined groove are cross-distributed on both sides of the fourth transverse bending groove. One end of the sixth inclined groove far from the third transverse bending groove is connected to the second shoulder transverse groove, and one end of the eighth inclined groove far from the fourth transverse bending groove is connected to the second shoulder transverse groove.

[0018] According to another aspect of the present application, there is provided a new energy vehicle tire, and the new energy vehicle tire includes the tire tread as described in any one of the above.

[0019] The beneficial effects that can be produced by the present application include but are not limited to:

[0020] For the tire tread and the new energy vehicle tire provided by the present application, through the cooperative setting of the tread blocks and grooves, it is not only beneficial for drainage and improves the wet skid resistance of the tire, but also can buffer vibrations, making the sound energy more evenly dispersed over a wider frequency range, avoiding the concentration of energy in the frequency band easily perceptible to the human ear, thereby improving the noise reduction performance of the tire; by setting the sound-absorbing part, the noise generated during the rolling process of the tire is effectively reduced, thereby improving the noise reduction comfort of the tire; among them, by setting the first sound-absorbing block, the second sound-absorbing block, and the third sound-absorbing block, gradient sound absorption is formed, fully ensuring the sound absorption intensity and better improving the sound absorption effect. Description of the Drawings

[0021] The drawings described herein are used to provide a further understanding of the present application, and constitute a part of the present application. The schematic embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings:

[0022] Figure 1 It is a schematic structural diagram of the tire tread involved in the embodiment of the present application;

[0023] Figure 2 It is a schematic structural diagram of the sound-absorbing part involved in the embodiment of the present application;

[0024] Figure 3 It is a cross-sectional schematic diagram of the sound-absorbing part involved in the embodiment of the present application;

[0025] Figure 4 It is a cross-sectional schematic diagram of the first sound-absorbing block involved in the embodiment of the present application;

[0026] List of components and reference numerals:

[0027] 1. First shoulder tread block, 2. First longitudinal groove, 3. First middle tread block, 4. Second longitudinal groove, 5. Center tread block, 6. Third longitudinal groove, 7. Second middle tread block, 8. Fourth longitudinal groove, 9. Second shoulder tread block, 10. Sound-absorbing part, 11. Sound-absorbing cavity, 12. Sound-absorbing cotton, 13. First sound-absorbing block, 14. Second sound-absorbing block, 15. Third sound-absorbing block, 16. Sound-absorbing hole, 17. Center transverse groove, 18. Bent longitudinal fine groove, 19. Linear transverse fine groove, 20. First middle transverse groove, 21. Second middle transverse groove, 22. First inclined groove, 23. First transverse groove, 24. Second inclined groove, 25. Second transverse groove, 26. First shoulder transverse groove, 27. Second shoulder transverse groove, 28. Third inclined groove, 29. First transverse bending groove, 30. Fourth inclined groove, 31. Second transverse bending groove, 32. Fifth inclined groove, 33. Sixth inclined groove, 34. Third transverse bending groove, 35. Seventh inclined groove, 36. Fourth transverse bending groove, 37. Eighth inclined groove. Detailed implementation mode

[0028] In order to more clearly illustrate the overall concept of the present application, the following will be described in detail by way of examples in combination with the drawings of the specification.

[0029] In order to be able to more clearly understand the above-mentioned objects, features and advantages of the present application, the present application will be further described in detail below in combination with the drawings and specific implementation modes. It should be noted that, without conflict, the embodiments of the present application and the features in the embodiments can be combined with each other.

[0030] In the following description, many specific details are set forth in order to fully understand the present application. However, the present application may also be implemented in other ways different from those described herein. Therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below.

[0031] In addition, in the description of the present application, it should be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", etc. is the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present application 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 therefore should not be construed as a limitation to the present application.

[0032] In addition, the terms "first" and "second" are for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the quantity 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 this application, "a plurality of" means two or more unless otherwise specifically defined.

[0033] In this application, unless otherwise clearly defined and limited, the terms "mounted", "connected", "coupled", "fixed", etc. should be understood in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrated; it may be a mechanical connection, an electrical connection, or a communication connection; it may be directly connected, or indirectly connected through an intermediate medium, and it may be the internal communication of 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 this application can be understood according to specific circumstances.

[0034] In this application, unless otherwise clearly defined and limited, the first feature being "on" or "under" the second feature may be that the first and second features are in direct contact, or the first and second features are indirectly in contact through an intermediate medium. In the description of this specification, the description with reference to terms such as "one embodiment", "some embodiments", "example", "specific example", 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 this application. In this specification, the schematic descriptions of the above terms are not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in any one or more embodiments or examples in a suitable manner.

[0035] Refer to Figures 1-4 , and introduce the tire tread pattern and new energy vehicle tire according to this application.

[0036] The tire tread pattern according to this embodiment includes a first shoulder tread block 1, a first longitudinal groove 2, a first middle tread block 3, a second longitudinal groove 4, a center tread block 5, a third longitudinal groove 6, a second middle tread block 7, a fourth longitudinal groove 8, and a second shoulder tread block 9 arranged in sequence from one side of the tread to the other side, so that the tire can provide better grip distribution during turning, accelerating, and braking, improving handling and stability; sound-absorbing portions 10 are provided on the first longitudinal groove 2, the second longitudinal groove 4, the third longitudinal groove 6, and the fourth longitudinal groove 8, effectively reducing the noise generated during the rolling of the tire;

[0037] There is a sound-absorbing cavity 11 inside the sound-absorbing part 10. The sound-absorbing cavity 11 is filled with sound-absorbing cotton 12. The outer surface of the sound-absorbing part 10 is provided with a first sound-absorbing block 13, a second sound-absorbing block 14 and a third sound-absorbing block 15. Sound-absorbing holes 16 are provided on the first sound-absorbing block 13, the second sound-absorbing block 14 and the third sound-absorbing block 15. The sound-absorbing holes 16 communicate with the sound-absorbing cavity 11. After the sound wave enters the sound-absorbing cavity 11 through the sound-absorbing holes 16, the sound-absorbing cotton 12 inside the sound-absorbing cavity 11 can absorb the noise, thereby improving the sound insulation performance of the tire.

[0038] This application does not specifically limit the material of the sound-absorbing cotton 12, as long as it can absorb noise. For example, the material of the sound-absorbing cotton 12 can be polyester fiber, glass fiber, rock wool, etc.

[0039] In order to improve the sound-absorbing effect, the first sound-absorbing block 13, the second sound-absorbing block 14 and the third sound-absorbing block 15 are all set in a convex shape. The height of the first sound-absorbing block 13 is greater than the height of the second sound-absorbing block 14, and the height of the second sound-absorbing block 14 is greater than the height of the third sound-absorbing block 15.

[0040] In order to better improve the sound-absorbing effect, the height of the second sound-absorbing block 14 is 1 / 3 - 3 / 4 of the height of the first sound-absorbing block 13, preferably 2 / 3; the height of the third sound-absorbing block 15 is 1 / 3 - 3 / 4 of the height of the second sound-absorbing block 14, preferably 2 / 3; so as to form a gradient sound absorption, fully ensuring the sound-absorbing strength.

[0041] As an implementation manner, a plurality of center transverse grooves 17 are evenly distributed along the circumferential direction of the tire on the center tread block 5. The two ends of the center transverse grooves 17 are respectively communicated with the second longitudinal groove 4 and the third longitudinal groove 6, which is beneficial to drainage and sand discharge.

[0042] As an implementation manner, a bent longitudinal fine groove 18 and a straight transverse fine groove 19 are provided on the center tread block 5. The two ends of the bent longitudinal fine groove 18 are both communicated with the center transverse groove 17, which is beneficial to drainage and improves the wet skid resistance of the tire; the straight transverse fine groove 19 is arranged in a staggered manner along the center axis of the tire and is communicated with the second longitudinal groove 4 or the third longitudinal groove 6. The staggered semi-through structure is adopted to improve the rigidity strength and grip of the center tread block 5, effectively transmit the torque of the new energy vehicle, and at the same time, through the staggering, reduce the impact noise when the tire contacts the ground.

[0043] As an implementation manner, the first middle tread block 3 and the second middle tread block 7 are symmetrically arranged on both sides of the central tread block 5. A plurality of first middle transverse grooves 20 are evenly distributed along the circumferential direction of the tire on the first middle tread block 3. One end of the first middle transverse groove 20 communicates with the first longitudinal groove 2, and the other end communicates with the second longitudinal groove 4. A plurality of second middle transverse grooves 21 are evenly distributed along the circumferential direction of the tire on the second middle tread block 7. One end of the second middle transverse groove 21 communicates with the third longitudinal groove 6, and the other end communicates with the fourth longitudinal groove 8, improving the drainage effect on a wet and slippery road surface and ensuring the safety of driving on a wetland.

[0044] As an implementation manner, a first inclined groove 22 and a first transverse groove 23 are provided on the first middle tread block 3. Both ends of the first inclined groove 22 communicate with the first middle transverse groove 20, and the first transverse groove 23 communicates with the first longitudinal groove 2;

[0045] A second inclined groove 24 and a second transverse groove 25 are provided on the second middle tread block 7. Both ends of the second inclined groove 24 communicate with the second middle transverse groove 21, and the second transverse groove 25 communicates with the fourth longitudinal groove 8;

[0046] With such an arrangement, it is beneficial to reduce noise while enhancing drainage.

[0047] As an implementation manner, a plurality of first shoulder transverse grooves 26 are evenly distributed on the first shoulder tread block 1, and the first shoulder transverse grooves 26 communicate with the first longitudinal groove 2; a plurality of second shoulder transverse grooves 27 are evenly distributed on the second shoulder tread block 9, and the second shoulder transverse grooves 27 communicate with the fourth longitudinal groove 8; further improving the drainage performance of the tire.

[0048] As an implementation manner, a third inclined groove 28, a first transverse bending groove 29, a fourth inclined groove 30, a second transverse bending groove 31, and a fifth inclined groove 32 are sequentially connected and communicated on the first shoulder tread block 1. The third inclined groove 28 and the fourth inclined groove 30 are cross-distributed on both sides of the first transverse bending groove 29, and the fourth inclined groove 30 and the fifth inclined groove 32 are cross-distributed on both sides of the second transverse bending groove 31. One end of the third inclined groove 28 far from the first transverse bending groove 29 communicates with the first shoulder transverse groove 26, and one end of the fifth inclined groove 32 far from the second transverse bending groove 31 communicates with the first shoulder transverse groove 26;

[0049] On the second shoulder tread block 9, there are successively connected sixth inclined grooves 33, third transverse bending grooves 34, seventh inclined grooves 35, fourth transverse bending grooves 36 and eighth inclined grooves 37. The sixth inclined grooves 33 and the seventh inclined grooves 35 are cross - distributed on both sides of the third transverse bending groove 34, and the seventh inclined grooves 35 and the eighth inclined grooves 37 are cross - distributed on both sides of the fourth transverse bending groove 36. One end of the sixth inclined groove 33 far from the third transverse bending groove 34 is communicated with the second shoulder transverse groove 27, and one end of the eighth inclined groove 37 far from the fourth transverse bending groove 36 is communicated with the second shoulder transverse groove 27.

[0050] By setting the semi - enclosed structure, it is beneficial to drainage while blocking the lateral noise diffusion and suppressing the transmission of tire noise, which is conducive to improving the quiet comfort of the tire.

[0051] The new energy vehicle tire according to this embodiment includes the tire tread as described in any one of the above.

[0052] Each embodiment in this specification is described in a progressive manner. The same or similar parts among the embodiments can be referred to each other, and each embodiment focuses on the differences from other embodiments. In particular, for the system embodiment, since it is basically similar to the method embodiment, the description is relatively simple, and the relevant parts can refer to the partial description of the method embodiment.

[0053] The above tire tread is only an embodiment of the present application and is not used to limit the present application. For those skilled in the art, various changes and modifications can be made to the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included within the scope of the claims of the present application.

Claims

1. A tire pattern, characterized in that: The tread comprises a first shoulder pattern block, a first longitudinal groove, a first middle pattern block, a second longitudinal groove, a center pattern block, a third longitudinal groove, a second middle pattern block, a fourth longitudinal groove and a second shoulder pattern block, which are arranged in sequence from one side of the tread to the other side, wherein the first longitudinal groove, the second longitudinal groove, the third longitudinal groove and the fourth longitudinal groove are all provided with a muffler; The silencer portion has a silencer cavity filled with silencer cotton, and the outer surface of the silencer portion is provided with a first silencer block, a second silencer block and a third silencer block, and the first silencer block, the second silencer block and the third silencer block are all provided with silencer holes, and the silencer holes are connected to the silencer cavity.

2. The tire pattern according to claim 1, characterized in that: The first, second and third silencer blocks are all convex-shaped, the height of the first silencer block is greater than the height of the second silencer block, and the height of the second silencer block is greater than the height of the third silencer block.

3. The tire pattern according to claim 2, characterized in that: The height of the second silencer block is 1 / 3-3 / 4 of the height of the first silencer block, and the height of the third silencer block is 1 / 3-3 / 4 of the height of the second silencer block.

4. The tire pattern according to claim 1, characterized in that: A plurality of central transverse grooves are evenly distributed on the central pattern block along the circumferential direction of the tire, and two ends of the central transverse groove are respectively connected with the second longitudinal groove and the third longitudinal groove.

5. The tire pattern according to claim 4, characterized in that: The central pattern block is provided with a curved longitudinal fine groove and a straight transverse fine groove. Both ends of the curved longitudinal fine groove are connected with the central transverse groove. The straight transverse fine groove is staggered along the central axis of the tire and is connected with the second longitudinal groove or the third longitudinal groove.

6. The tire pattern according to claim 1, characterized in that: The first middle pattern block and the second middle pattern block are symmetrically arranged on both sides of the central pattern block, a plurality of first middle transverse grooves are evenly distributed on the first middle pattern block along the circumferential direction of the tire, one end of the first middle transverse groove is connected with the first longitudinal groove, and the other end is connected with the second longitudinal groove, and a plurality of second middle transverse grooves are evenly distributed on the second middle pattern block along the circumferential direction of the tire, one end of the second middle transverse groove is connected with the third longitudinal groove, and the other end is connected with the fourth longitudinal groove.

7. The tire pattern according to claim 6, characterized in that: The first middle pattern block is provided with a first inclined groove and a first transverse groove, both ends of the first inclined groove are connected to the first middle transverse groove, and the first transverse groove is connected to the first longitudinal groove; The second middle pattern block is provided with a second inclined groove and a second transverse groove, both ends of the second inclined groove are connected with the second middle transverse groove, and the second transverse groove is connected with the fourth longitudinal groove.

8. The tire pattern according to claim 1, characterized in that: A plurality of first shoulder transverse grooves are evenly distributed on the first shoulder pattern block, and the first shoulder transverse grooves are connected with the first longitudinal grooves; A plurality of second shoulder transverse grooves are evenly distributed on the second shoulder pattern block, and the second shoulder transverse grooves are connected with the fourth longitudinal grooves.

9. The tire pattern according to claim 8, characterized in that: The first shoulder pattern block is provided with a third inclined groove, a first transverse bending groove, a fourth inclined groove, a second transverse bending groove and a fifth inclined groove which are connected in sequence, the third inclined groove and the fourth inclined groove are cross-distributed on both sides of the first transverse bending groove, the fourth inclined groove and the fifth inclined groove are cross-distributed on both sides of the second transverse bending groove, one end of the third inclined groove away from the first transverse bending groove is connected to the first shoulder transverse groove, and one end of the fifth inclined groove away from the second transverse bending groove is connected to the first shoulder transverse groove; The second shoulder pattern block is provided with a sixth inclined groove, a third transverse bending groove, a seventh inclined groove, a fourth transverse bending groove and an eighth inclined groove which are connected in sequence, the sixth inclined groove and the seventh inclined groove are cross-distributed on both sides of the third transverse bending groove, the seventh inclined groove and the eighth inclined groove are cross-distributed on both sides of the fourth transverse bending groove, one end of the sixth inclined groove away from the third transverse bending groove is connected to the second shoulder transverse groove, and one end of the eighth inclined groove away from the fourth transverse bending groove is connected to the second shoulder transverse groove.

10. A new energy vehicle tire, characterized in that: The new energy vehicle tire comprises the tire pattern as described in any one of claims 1-9.

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