A tire with an asymmetric tread pattern

Abstract

This application discloses an asymmetric tread pattern structure tire, comprising: a tread, the tread being divided into an inner shoulder circumferential tread rib, a central circumferential tread rib, and an outer shoulder circumferential tread rib by a circumferential main groove; semi-circular three-dimensional noise-absorbing spherical grooves symmetrically arranged on both sides of the circumferential main groove; oblique straight Y-shaped fine grooves arranged along the circumferential direction on the first central circumferential tread rib; oblique Y-shaped fine grooves arranged along the circumferential direction on the second central circumferential tread rib; and zigzag Y-shaped fine grooves arranged along the circumferential direction on the third central circumferential tread rib; semi-closed intermittent oblique straight wide grooves and closed intermittent oblique straight wide grooves alternately arranged along the circumferential direction on the inner shoulder circumferential tread rib; and oblique curved grooves arranged along the circumferential direction on the outer shoulder circumferential tread rib. This invention can provide excellent dry and wet handling and good ride comfort on highways or ordinary urban roads, while also exhibiting low driving noise and rolling resistance.

Description

Technical Field

[0001] This application relates to the field of tire technology, and in particular to a tire with an asymmetric tread pattern structure. Background Technology

[0002] In the past, tire wear performance and load-bearing capacity were the focus of market attention during car driving. However, with the continuous development of global automotive technology and the continuous improvement of people's car concepts, higher and higher requirements have been put forward for tires that provide load-bearing capacity and transmit driving force. Among them, tire noise, ride comfort and dry and wet road safety are receiving more and more attention.

[0003] Generally, depending on different usage requirements, passenger car tire tread patterns are divided into large and small tread blocks, as well as symmetrical, asymmetrical, and directional patterns. Small tread blocks are beneficial for tire noise and ride comfort, but detrimental to dry and wet handling performance. Large tread blocks, on the other hand, are beneficial for tire handling stability but detrimental to noise and comfort. How to improve tire dry and wet handling performance while maximizing ride comfort, achieving a balance among these factors, has always been a key issue for tire tread pattern designers. Therefore, this invention proposes an asymmetrical tread pattern structure tire. Summary of the Invention

[0004] This application provides an asymmetric tread pattern tire that enables excellent dry and wet handling and good ride comfort on highways or ordinary urban roads, while also having low driving noise and rolling resistance.

[0005] In view of this, this application provides a tire with an asymmetric tread pattern structure, including: a tread;

[0006] The tire tread is provided with four circumferential main grooves at intervals, and the circumferential main grooves divide the tire tread from left to right into inner shoulder circumferential pattern ribs, first center circumferential pattern ribs, second center circumferential pattern ribs, third center circumferential pattern ribs and outer shoulder circumferential pattern ribs.

[0007] The circumferential main groove has semi-circular three-dimensional sound-absorbing spherical grooves symmetrically arranged on the groove walls on both sides.

[0008] The first central circumferential patterned rib is provided with a plurality of oblique straight Y-shaped fine grooves along the circumferential direction, and the first central circumferential patterned rib is divided into a plurality of first patterned blocks by the oblique straight Y-shaped fine grooves;

[0009] The second central circumferential patterned rib is provided with a plurality of oblique Y-shaped fine grooves along the circumferential direction, and the second central circumferential patterned rib is divided into a plurality of second patterned blocks by the oblique Y-shaped fine grooves;

[0010] The third central circumferential patterned rib has multiple zigzag Y-shaped fine grooves along its circumferential direction, and the zigzag Y-shaped fine grooves divide the third central circumferential patterned rib into multiple third patterned blocks.

[0011] The inner shoulder circumferential tread ribs are alternately provided with semi-closed intermittent oblique straight wide grooves and closed intermittent oblique straight wide grooves along the circumferential direction.

[0012] The semi-enclosed, intermittent, oblique, straight, and wide groove is connected to the adjacent circumferential main groove through a first connecting groove.

[0013] The outer shoulder circumferential tread ribs are provided with multiple oblique grooves along the circumferential direction.

[0014] Optionally, the end of the oblique Y-shaped fine groove near the inner shoulder circumferential tread rib is connected to a first triangular groove;

[0015] The first triangular groove is connected to the adjacent circumferential main groove.

[0016] Optionally, a vertebral groove is provided on the side of the second patterned block near the first central circumferential patterned rib;

[0017] The vertebral groove is connected to the adjacent circumferential main groove.

[0018] Optionally, a second triangular groove is connected to one end of the zigzag Y-shaped fine groove near the outer shoulder circumferential tread rib;

[0019] The second triangular groove is connected to the adjacent circumferential main groove.

[0020] Optionally, the oblique curved groove includes an oblique straight groove and a second connecting groove;

[0021] One end of the inclined straight groove is connected to the adjacent circumferential main groove through the second connecting groove;

[0022] The inclined straight groove and the second connecting groove have an included angle.

[0023] Optionally, the width of the inclined straight groove is 2mm to 8mm;

[0024] The width of the second connecting groove is 2mm to 8mm, and the depth is 1mm to 5mm.

[0025] Optionally, two rows of semi-circular three-dimensional sound-absorbing spherical grooves are symmetrically arranged on the groove walls on the left and right sides of the circumferential main groove.

[0026] Optionally, the upper and lower rows of the semi-circular three-dimensional sound-absorbing spherical grooves are staggered.

[0027] Optionally, the upper and lower rows of the semi-circular three-dimensional sound-absorbing spherical grooves are symmetrically distributed.

[0028] Optionally, the width of both the semi-enclosed intermittent oblique-straight-wide groove and the closed intermittent oblique-straight-wide groove is 2.5mm to 10mm.

[0029] The width of the first connecting groove is 2mm to 8mm, and the depth is 1mm to 5mm.

[0030] As can be seen from the above technical solutions, the embodiments of this application have the following advantages: The tire tread is provided with four circumferential main grooves at intervals, which divide the tread from left to right into inner shoulder circumferential tread ribs, a first center circumferential tread rib, a second center circumferential tread rib, a third center circumferential tread rib, and an outer shoulder circumferential tread rib. By providing four circumferential main grooves, it ensures that water can be quickly expelled backwards when the tire is driving on wet roads, providing excellent wet grip performance, cornering stability, and precise steering. The improved steering responsiveness enhances wetland safety. Symmetrical semi-circular, three-dimensional sound-absorbing spherical grooves are also present on the walls of the main circumferential grooves on both sides, effectively dispersing the stress distribution of each rib during driving, optimizing airflow, and reducing driving noise. Multiple oblique Y-shaped fine grooves are arranged along the circumference of the first central circumferential tread rib, effectively ensuring tire handling performance. Furthermore, on wet surfaces, these oblique Y-shaped fine grooves can quickly and effectively penetrate the water film surface, improving the tread pattern's drainage performance. The second central circumferential tread rib... The tire features multiple oblique Y-shaped fine grooves, which effectively reduce the stiffness of the central part while ensuring the overall strength of the second center circumferential tread rib. This reduces excessive deformation of the tire during driving, improving ride comfort while maintaining grip and handling stability at the tire's center. Multiple zigzag Y-shaped fine grooves are also arranged circumferentially on the third center circumferential tread rib, enhancing the mutual support of the tread rubber during deformation, reducing excessive deformation, and further improving tire handling performance. Semi-closed grooves are alternately arranged circumferentially on the inner shoulder circumferential tread rib. The tire features both intermittent, slanted, straight, and wide grooves and closed intermittent, slanted, straight, and wide grooves. The semi-closed intermittent grooves are connected to their adjacent circumferential main grooves via a first connecting groove. This design ensures good grip on the inner side and, through the alternating impact of the semi-closed and closed intermittent grooves on the road surface, quickly breaks up the water film on wet surfaces, improving drainage performance at high speeds. Multiple slanted grooves are also present along the circumferential tread ribs on the outer shoulder, effectively increasing the outer contact patch and improving cornering stability. Furthermore, the slanted groove design on both the inner and outer shoulder circumferential tread ribs optimizes the shape of the contact patch and the distribution of stress on the tire shoulder, effectively preventing premature wear and enhancing handling stability. Attached Figure Description

[0031] Figure 1 This is a schematic diagram of the tread structure in an embodiment of this application;

[0032] Figure 2 for Figure 1 Cross-sectional view of the main trench AA direction in the middle perimeter;

[0033] Figure 3 for Figure 2 Cross-sectional view along the BB direction;

[0034] Figure 4 This is a schematic diagram of the Y-shaped fine groove in an embodiment of this application;

[0035] The attached figures are labeled as follows:

[0036] 1-First central circumferential tread rib, 11-Oblique straight Y-shaped fine groove, 12-First triangular groove, 2-Second central circumferential tread rib, 21-Oblique Y-shaped fine groove, 22-Conical groove, 3-Third central circumferential tread rib, 31-Zigzag Y-shaped fine groove, 32-Second triangular groove, 4-Inner shoulder circumferential tread rib, 41-Semi-closed intermittent oblique straight wide groove, 42-Closed intermittent oblique straight wide groove, 43-First connecting groove, 5-Outer shoulder circumferential tread rib, 51-Oblique straight groove, 52-Second connecting groove, 6-Circumferential main groove, 7-Semi-circular three-dimensional sound-absorbing spherical groove. Detailed Implementation

[0037] To enable those skilled in the art to better understand the present application, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present application, and not all embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present application.

[0038] In the description of this application, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0039] Unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections or electrical connections; they can refer to direct connections or indirect connections through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0040] This application provides an embodiment of a tire with an asymmetric tread pattern structure. Please refer to the following for details. Figures 1 to 4 .

[0041] The asymmetric tread pattern tire in this embodiment includes: a tread, on which four circumferential main grooves 6 are spaced apart, and the tread is divided from left to right by the circumferential main grooves 6 into an inner shoulder circumferential tread rib 4, a first central circumferential tread rib 1, a second central circumferential tread rib 2, a third central circumferential tread rib 3, and an outer shoulder circumferential tread rib 5; semi-circular three-dimensional sound-absorbing spherical grooves 7 are symmetrically arranged on the groove walls on both sides of the circumferential main grooves 6; multiple oblique straight Y-shaped fine grooves 11 are arranged along the circumference of the first central circumferential tread rib 1, and the oblique straight Y-shaped fine grooves 11 divide the first central circumferential tread rib 1 into multiple first tread blocks; the second central circumferential tread rib 2... Multiple oblique Y-shaped fine grooves 21 are provided along the upper circumferential direction, and the second central circumferential tread rib 2 is divided into multiple second tread blocks through the oblique Y-shaped fine grooves 21; multiple zigzag Y-shaped fine grooves 31 are provided along the upper circumferential direction of the third central circumferential tread rib 3, and the third central circumferential tread rib 3 is divided into multiple third tread blocks through the zigzag Y-shaped fine grooves 31; the inner shoulder circumferential tread rib 4 is alternately provided with semi-closed intermittent oblique straight wide grooves 41 and closed intermittent oblique straight wide grooves 42 along the upper circumferential direction, and the semi-closed intermittent oblique straight wide grooves 41 are connected to the adjacent circumferential main grooves 6 through the first connecting groove 43; multiple oblique curved grooves are provided along the upper circumferential direction of the outer shoulder circumferential tread rib 5.

[0042] It should be noted that by setting four circumferential main grooves 6, water can be quickly expelled from the tires during driving on wet roads, providing excellent wet grip performance, cornering stability, and precise steering response, which is beneficial to improving wet safety performance. Furthermore, semi-circular three-dimensional sound-absorbing spherical grooves 7 are symmetrically arranged on the groove walls on both sides of the circumferential main grooves 6, which can effectively disperse the force distribution of each rib during driving, optimize airflow direction, and reduce driving noise. Multiple circumferential patterned ribs 1 are also arranged along the first central circumferential rib. The oblique Y-shaped fine grooves 11 can effectively ensure the tire's handling performance, and on wet and slippery roads, the oblique Y-shaped fine grooves 11 can quickly and effectively cut into the water film surface, improving the tread's drainage performance; multiple oblique Y-shaped fine grooves 21 are provided along the circumference of the second center circumferential tread rib 2, which effectively reduces the stiffness of the middle part while ensuring the overall strength of the second center circumferential tread rib 2, reducing excessive deformation of the tire during driving, and improving ride comfort while ensuring the tire's grip performance and handling stability at the center; Multiple zigzag Y-shaped fine grooves 31 are provided along the circumferential direction on the third center circumferential tread rib 3, which enhances the mutual support of the tread rubber during deformation, reduces excessive deformation, and further improves the tire's handling performance. Semi-closed intermittent oblique straight wide grooves 41 and closed intermittent oblique straight wide grooves 42 are alternately provided along the circumferential direction on the inner shoulder circumferential tread rib 4. The alternating open and closed tread structure can ensure the grip performance of the inner side and allow the semi-closed intermittent oblique straight wide grooves 41 and closed intermittent oblique straight wide grooves 42 to alternately pat the road. The surface of the tire quickly breaks up the water film on wet road surfaces, improving the inner drainage performance at high speeds. Simultaneously, the semi-enclosed, intermittent, oblique, straight, wide groove 41 is connected to its adjacent circumferential main groove 6 via the first connecting groove 43, ensuring an increased contact area in the later stages of tire use, maintaining tire grip, and thus ensuring overall tire handling performance. Multiple oblique grooves are provided circumferentially on the outer shoulder circumferential tread rib 5. Using uniform oblique grooves effectively increases the outer contact area, improving tire cornering stability. Furthermore, since both the inner and outer shoulder circumferential tread ribs 4 and 5 employ oblique groove designs to optimize the shape of the contact patch and the distribution of contact stress at the tire shoulder, early shoulder wear can be effectively prevented, and tire handling stability can be enhanced.

[0043] The above is Embodiment 1 of an asymmetric tread pattern tire provided in this application. The following is Embodiment 2 of an asymmetric tread pattern tire provided in this application. Please refer to the following for details. Figures 1 to 4 .

[0044] The asymmetric tread pattern tire in this embodiment includes: a tread with four circumferential main grooves 6 spaced apart, which divide the tread from left to right into 3-5 inner shoulder circumferential tread ribs 4, a first central circumferential tread rib 1, a second central circumferential tread rib 2, a third central circumferential tread rib 3, and an outer shoulder circumferential tread rib 5 with different pitch widths and pitch numbers. The pitch width can be 20mm to 60mm, and the number of pitches can be 40 to 80. Semi-circular three-dimensional sound-absorbing spherical grooves 7 are symmetrically arranged on the groove walls on both sides of the circumferential main grooves 6. Multiple oblique straight Y-shaped fine grooves 11 are arranged along the circumference of the first central circumferential tread rib 1, and the oblique straight Y-shaped fine grooves 11 divide the first central circumferential tread rib into three-dimensional circumferential tread ribs 4, a first central circumferential tread rib 5, and an outer shoulder circumferential tread rib 5. Strip 1 is divided into multiple first pattern blocks; the second central circumferential pattern rib 2 is provided with multiple oblique Y-shaped fine grooves 21 along the circumferential direction, and the second central circumferential pattern rib 2 is divided into multiple second pattern blocks through the oblique Y-shaped fine grooves 21; the third central circumferential pattern rib 3 is provided with multiple zigzag Y-shaped fine grooves 31 along the circumferential direction, and the third central circumferential pattern rib 3 is divided into multiple third pattern blocks through the zigzag Y-shaped fine grooves 31; the inner shoulder circumferential pattern rib 4 is provided with alternating semi-closed intermittent oblique straight wide grooves 41 and closed intermittent oblique straight wide grooves 42 along the circumferential direction, and the semi-closed intermittent oblique straight wide grooves 41 are connected to the adjacent circumferential main grooves 6 through the first connecting groove 43; the outer shoulder circumferential pattern rib 5 is provided with multiple oblique curved grooves along the circumferential direction.

[0045] It should be noted that the central area of ​​this tire tread is composed of a second central circumferential tread rib 2 located in the middle, and asymmetrical first central circumferential tread ribs 1 and third central circumferential tread ribs 3 located on either side of the second central circumferential tread rib 2. The shoulder area is composed of asymmetrical inner shoulder circumferential tread ribs 4 and outer shoulder circumferential tread ribs 5, wherein the pitch width and number of pitches of the inner shoulder circumferential tread ribs 4 and outer shoulder circumferential tread ribs 5 are different. Because the first central circumferential tread ribs 1, second central circumferential tread ribs 2, and third central circumferential tread ribs 3 are respectively provided with Y-shaped fine grooves of different shapes, the stiffness of the central part of the tire can be effectively reduced. Meanwhile, as... Figure 4 As shown, the Y-shaped fine grooves are relatively thin, which can increase the mutual support of the tread rubber during deformation when starting, braking or turning, reduce excessive deformation, enhance the rigidity of the ribs, and effectively maintain the tire's handling performance while improving ride comfort.

[0046] The oblique straight Y-shaped fine groove 11 is connected to a first triangular groove 12 at one end near the inner shoulder circumferential tread rib 4. The first triangular groove 12 is connected to its adjacent circumferential main groove 6. Specifically, the width of the oblique straight Y-shaped fine groove 11 can be 0.5mm to 4mm.

[0047] A conical groove 22 is formed on the side of the second patterned block near the first central circumferential patterned rib 1, and the conical groove 22 is connected to the adjacent circumferential main groove 6. Specifically, the width of the oblique Y-shaped fine groove 21 can be 0.4mm to 3mm; the width of the conical groove 22 can be 0.4mm to 2mm.

[0048] It should be noted that by providing a conical groove 22 on the side of the second tread block near the first central circumferential tread rib 1, and by using the conical groove 22 for uniform cutting, the stiffness of the middle part is effectively reduced while ensuring the overall strength of the second central circumferential tread rib 2, thereby reducing excessive deformation of the tire during driving. This can improve ride comfort while ensuring the tire's central grip performance and handling stability.

[0049] The zigzag Y-shaped fine groove 31 is connected to a second triangular groove 32 at one end near the outer shoulder circumferential tread rib 5. The second triangular groove 32 is connected to its adjacent circumferential main groove 6. Specifically, the width of the zigzag Y-shaped fine groove 31 can be 0.5mm to 4mm; the width of the second triangular groove 32 can be 1mm to 6mm, and the depth can be 1mm to 5mm.

[0050] It should be noted that the second triangular groove 32 can reduce the contact area of ​​the third tread block surface, and as the tire is used, the contact area gradually increases, maintaining the grip in the middle and later stages of tire use, thereby ensuring the overall handling performance of the tire.

[0051] The oblique groove includes an oblique straight groove 51 and a second connecting groove 52. One end of the oblique straight groove 51 is connected to its adjacent circumferential main groove 6 through the second connecting groove 52. The oblique straight groove 51 and the second connecting groove 52 form an angle. Specifically, the width of the oblique straight groove 51 can be 2mm to 8mm; the width of the second connecting groove 52 can be 2mm to 8mm, and the depth can be 1mm to 5mm.

[0052] It should be noted that by using the oblique straight groove 51, the tread pitch width is increased, which effectively increases the contact area of ​​the outer tread blocks and enhances the rigidity of the outer tread blocks, which is beneficial to the steering and handling stability of the tire. At the same time, the use of the second connecting groove 52 ensures that the contact area increases in the middle and later stages of tire use, ensuring the tire's grip and thus ensuring the overall handling performance of the tire.

[0053] like Figure 2 and Figure 3 As shown, two rows of semi-circular three-dimensional sound-absorbing spherical grooves 7 can be symmetrically arranged on the groove walls on the left and right sides of the circumferential main groove 6. The two rows of semi-circular three-dimensional sound-absorbing spherical grooves 7 can be staggered or symmetrically distributed, and can be specifically set according to the actual situation, which is not limited here.

[0054] Specifically, the distance between the centers of two adjacent semi-circular three-dimensional sound-absorbing spherical grooves 7 in the same row can be 2mm to 80mm; the radius of the semi-circular three-dimensional sound-absorbing spherical groove 7 can be 1mm to 8mm; the vertical distance between the centers of two upper and lower semi-circular three-dimensional sound-absorbing spherical grooves 7 can be 2mm to 16mm; the distance between the upper semi-circular three-dimensional sound-absorbing spherical groove 7 and the top of the circumferential main groove 6 wall can be 2mm to 16mm; and the depth of the semi-circular three-dimensional sound-absorbing spherical groove 7 can be 0.1mm to 8mm.

[0055] Specifically, the width of the semi-enclosed intermittent oblique-straight-wide groove 41 and the closed intermittent oblique-straight-wide groove 42 can both be 2.5mm to 10mm; the width of the first connecting groove 43 can be 2mm to 8mm, and the depth can be 1mm to 5mm.

[0056] The above-described embodiments are only used to illustrate the technical solutions of this application, and are not intended to limit them. Although this application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that modifications can still be made to the technical solutions described in the foregoing embodiments, or equivalent substitutions can be made to some of the technical features. Such modifications or substitutions do not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of this application.

Claims

1. An asymmetric tread pattern tire characterized in that, include: Tire tread; The tire tread is provided with four circumferential main grooves at intervals, and the circumferential main grooves divide the tire tread from left to right into inner shoulder circumferential pattern ribs, first center circumferential pattern ribs, second center circumferential pattern ribs, third center circumferential pattern ribs and outer shoulder circumferential pattern ribs. The circumferential main groove has semi-circular three-dimensional sound-absorbing spherical grooves symmetrically arranged on the groove walls on both sides. The first central circumferential patterned rib is provided with a plurality of oblique straight Y-shaped fine grooves along the circumferential direction, and the first central circumferential patterned rib is divided into a plurality of first patterned blocks by the oblique straight Y-shaped fine grooves; The second central circumferential patterned rib is provided with a plurality of oblique Y-shaped fine grooves along the circumferential direction, and the second central circumferential patterned rib is divided into a plurality of second patterned blocks by the oblique Y-shaped fine grooves; The third central circumferential patterned rib has multiple zigzag Y-shaped fine grooves along its circumferential direction, and the zigzag Y-shaped fine grooves divide the third central circumferential patterned rib into multiple third patterned blocks. The inner shoulder circumferential tread ribs are alternately provided with semi-closed intermittent oblique straight wide grooves and closed intermittent oblique straight wide grooves along the circumferential direction. The semi-enclosed, intermittent, oblique, straight, and wide groove is connected to the adjacent circumferential main groove through a first connecting groove. The outer shoulder circumferential tread ribs are provided with multiple oblique grooves along the circumferential direction. The oblique curved groove includes an oblique straight groove and a second connecting groove; One end of the inclined straight groove is connected to the adjacent circumferential main groove through the second connecting groove; The inclined straight groove and the second connecting groove have an included angle; The second patterned block has a vertebral groove on the side near the first central circumferential patterned rib; The vertebral groove is connected to the adjacent circumferential main groove.

2. The asymmetric tread pattern tire of claim 1, wherein, The oblique Y-shaped fine groove is connected to a first triangular groove at one end near the inner shoulder circumferential tread rib. The first triangular groove is connected to the adjacent circumferential main groove.

3. The asymmetric tread pattern tire of claim 1, wherein, The zigzag Y-shaped fine groove is connected to a second triangular groove at one end near the outer shoulder circumferential tread rib. The second triangular groove is connected to the adjacent circumferential main groove.

4. The non-symmetric tread pattern tire of claim 1 wherein, The width of the oblique straight groove is 2mm~8mm; The width of the second connecting groove is 2mm to 8mm, and the depth is 1mm to 5mm.

5. The non-symmetric tread pattern tire of claim 1 wherein, The circumferential main groove has two rows of semi-circular three-dimensional sound-absorbing spherical grooves symmetrically arranged on the groove walls on both sides.

6. The tire with an asymmetric tread pattern structure according to claim 5, characterized in that, The upper and lower rows of semi-circular three-dimensional sound-absorbing spherical grooves are staggered.

7. The tire with an asymmetric tread pattern structure according to claim 5, characterized in that, The upper and lower rows of semi-circular three-dimensional sound-absorbing spherical grooves are symmetrically distributed.

8. The tire with an asymmetric tread pattern structure according to claim 1, characterized in that, The width of both the semi-enclosed intermittent oblique straight wide groove and the closed intermittent oblique straight wide groove is 2.5mm~10mm. The width of the first connecting groove is 2mm to 8mm, and the depth is 1mm to 5mm.

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