CN215204317U - Asymmetric tread pattern and tire - Google Patents

Abstract

The utility model provides an asymmetric tread decorative pattern belongs to automobile tire decorative pattern field, include at least along the tread circumference continuous distribution's decorative pattern piece, the decorative pattern piece includes first shoulder decorative pattern piece, second shoulder decorative pattern piece, middle decorative pattern piece, the inboard decorative pattern piece of first inboard decorative pattern piece and second, the interval sets up first main ditch and first decorative pattern groove on the first shoulder decorative pattern piece alternately, the interval sets up second main ditch and second decorative pattern groove alternately on the first inboard decorative pattern piece, the interval sets up third main ditch and third decorative pattern groove alternately on the middle decorative pattern piece, it sets up the fourth main ditch to arrange on the inboard decorative pattern piece of second, the interval sets up fifth main ditch and fourth decorative pattern groove alternately on the second shoulder decorative pattern piece. The utility model provides a tire tread decorative pattern among the prior art can't have good drainage performance concurrently and do the performance of controlling on wet ground to the noise that high-speed in-process tire and tread decorative pattern ditch inslot air current motion produced is big, makes to drive and experiences relatively poor technological problem.

Description

Asymmetric tread pattern and tire

Technical Field

The utility model belongs to automobile tire decorative pattern field especially relates to an asymmetric tread decorative pattern and tire.

Background

With the rapid development of scientific and technical and economic levels, people have higher and higher requirements on the comprehensive performance of automobiles. The tire is used as the only part contacting the ground in the driving process of the automobile, so that the tire not only has excellent drainage performance in rainy days, but also has stable turning performance and operating performance on dry and wet road surfaces, can provide comfortable and quiet driving experience in high-speed driving and the like. However, the tire tread pattern in the prior art cannot have good drainage performance and control performance on dry and wet ground, and noise generated by air flow movement in the tire and the tread pattern groove in the high-speed driving process is large, so that the driving experience is poor, and various requirements of people on various performances such as movement, drainage, turning, control, comfort and silence cannot be met. Therefore, it is necessary to develop a comfortable and quiet tire with good drainage and controllability.

SUMMERY OF THE UTILITY MODEL

The details of one or more embodiments of the invention are set forth in the accompanying drawings and the description below to provide a more concise and understandable description of the other features, objects, and advantages of the application.

The utility model provides an asymmetric tread decorative pattern and tire has solved the unable good drainage performance that has had concurrently of tire tread decorative pattern and the performance of controlling on wet ground futilely to the noise that high-speed in-process tire and tread decorative pattern ditch inslot air current motion produced is big, makes to drive and experiences relatively poor technical problem.

The utility model discloses an asymmetric tread pattern and tire, in some of them embodiments, asymmetric tread pattern includes the decorative pattern piece that distributes along tread circumference in succession at least, the decorative pattern piece is including the first tire shoulder decorative pattern piece that is located left side tire shoulder position, be located the second tire shoulder decorative pattern piece of right side tire shoulder position, be located the middle decorative pattern piece in the middle of the tire tread, be located the first inboard decorative pattern piece between first tire shoulder decorative pattern piece and the middle decorative pattern piece, and be located the inboard decorative pattern piece of second between middle decorative pattern piece and the second tire shoulder decorative pattern piece, the interval sets up first main ditch and first tread groove in turn on the first tire shoulder decorative pattern piece, the interval sets up second main ditch and second tread groove in turn on the first inboard decorative pattern piece, the interval sets up third main ditch and third tread groove in turn on the middle decorative pattern piece, it sets up the fourth main ditch to arrange on the inboard decorative pattern piece of second, the interval sets up fifth main ditch and fourth tread groove in turn on the second tire shoulder decorative pattern piece.

In some of these embodiments, the asymmetric tread pattern further includes a main groove extending in a circumferential direction of the tread, the main groove including a first main groove between the first shoulder block and the first inner block, a second main groove between the first inner block and the middle block, a third main groove between the middle block and the second inner block, and a fourth main groove between the second inner block and the second shoulder block.

In some embodiments, the first main groove is of an inverted V-shaped structure with gradually changed width, the width of the V-shaped top end is minimum, and the width of the V-shaped top end is gradually increased from the top end to two sides, one end of the first main groove is communicated with the left side edge of the first shoulder pattern block, and the other end of the first main groove is communicated with the first main groove; the second main ditch is the arc structure that slopes and the width gradual change upwards to the right, and the one end and the first main slot of second main ditch are linked together, and the other end is linked together with second main slot.

In some embodiments, the third main groove has an inverted V-shaped structure, and one end of the third main groove is communicated with the second main groove, and the other end of the third main groove is communicated with the third main groove.

In some embodiments, the fourth main groove is in a Y-shaped structure, the width of the central connecting position is the narrowest, one end of the fourth main groove is communicated with the third main groove, and the other end of the fourth main groove is communicated with the fourth main groove; the fifth main groove is of a transverse arc structure and is provided with an upward opening, one end of the fifth main groove is communicated with the fourth main groove, and the other end of the fifth main groove is communicated with the right side edge of the second tire shoulder pattern block.

In some embodiments, the first sipes are M-shaped cross semi-connected structures including a first pair of inward grooves, a first pair of outward grooves, a second pair of inward grooves and a second pair of outward grooves, one end of the first pair of inward grooves is communicated with the left side edge of the first shoulder block, the other end of the first pair of inward grooves is communicated with one end of the first pair of outward grooves, the other end of the first pair of outward grooves is communicated with the middle of the second pair of inward grooves, one end of the second pair of inward grooves communicated with the first pair of outward grooves is of a closed structure, the other end of the second pair of outward grooves is communicated with one end of the second pair of outward grooves, and the other end of the second pair of outward grooves is communicated with the first main groove.

In some of these embodiments, the second grooves are of a cross-connected structure including a third pair of inward grooves, a third pair of outward grooves, and a fourth pair of inward grooves, one end of the third pair of inward grooves communicating with the first main groove and the other end communicating with one end of the third pair of outward grooves, one end of the fourth pair of inward grooves being of a closed structure communicating with the third pair of outward grooves through a middle portion of the third pair of outward grooves and the other end communicating with the second main groove.

In some embodiments, the third groove is an arc structure inclined to the lower right and having a gradually changing width, and one end of the third groove is communicated with the second main groove, and the other end is communicated with the third main groove.

In some of these embodiments, the fourth groove is a curvilinear structure, with one end bent downward in communication with the fifth main groove and the other end in communication with the right side edge of the second shoulder block.

The technical scheme of the utility model a tire is still provided, including the tread of contact with ground when traveling, be provided with foretell asymmetric tread decorative pattern on the tread.

Compared with the prior art, the beneficial effects of the utility model reside in that:

1. the utility model provides an asymmetric tread pattern, through extending 4 broad main grooves and the decorative pattern piece that distributes along tread circumference in succession along tread circumference on the decorative pattern piece of first child shoulder, alternate interval sets up first main ditch and first tread groove on the decorative pattern piece of first child shoulder, alternate interval sets up second main ditch and second tread groove on the decorative pattern piece of first inboard, alternate interval sets up third main ditch and third tread groove on the decorative pattern piece of middle child, arrange on the decorative pattern piece of second inboard and set up the fourth main ditch, alternate interval sets up fifth main ditch and fourth tread groove on the decorative pattern piece of second child shoulder, the equilibrium has promoted the drainage of tire ponding road conditions and has controlled stability and travelling comfort under the high-speed operating mode in rainy day; the first tire shoulder pattern block and the second tire shoulder pattern block are designed by adopting double-side open type tire shoulders, so that the impact feeling of the tire during running under the complicated working condition of the shoulder part is optimized, and the comfort of the tire is improved.

2. The utility model provides a first main ditch of asymmetric tread decorative pattern, second main ditch, communicate each other through the main slot between third main ditch and the fourth main ditch, realize the drainage of totality better.

3. The utility model provides an asymmetric tread decorative pattern, first flute line are the half intercommunication formula structure of crossing of M shape, and it is narrow to the inside ditch width, and is wide to the outside ditch width, and the second flute is the intercommunication formula structure of crossing, and is narrow to the outside ditch width, through the setting of above-mentioned wide narrow alternate structure, can effectively cut off the high velocity air current that the tire produced in service to avoid high sound pressure level child to make an uproar to appear, reduce the noise of tire, the comfort performance of guarantee tire.

4. The utility model provides an asymmetric tread decorative pattern fourth main ditch is Y shape structure, and center hookup location width is narrowest, realizes pressing the auto-lock in the use, and the inboard decorative pattern piece intensity of reinforcing second ensures the tire and grabs ground nature and the nature controlled, ensures the driving safety nature.

Drawings

The accompanying drawings, which are described herein, serve to provide a further understanding of the invention and constitute a part of this specification, and the exemplary embodiments and descriptions thereof are provided for explaining the invention without unduly limiting it. In the drawings:

fig. 1 is a schematic structural diagram of an asymmetric tread pattern provided in an embodiment of the present invention;

wherein: 1. first shoulder block, 2, first inner block, 3, middle block, 4, second inner block, 5, second shoulder block, 6, first groove, 7, second groove, 8, third groove, 9, fourth main groove, 10, fourth groove, 11, first main groove, 12, second main groove, 13, third main groove, 14, fifth main groove, 15, first main groove, 16, second main groove, 17, third main groove, 18, fourth main groove, 19, first pair of inward grooves, 20, second pair of inward grooves, 21, first pair of outward grooves, 22, second pair of outward grooves, 23, third pair of inward grooves, 24, fourth pair of inward grooves, 25, third pair of outward grooves.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention will be described and illustrated with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. Based on the embodiments provided by the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the invention, from which it is possible for a person skilled in the art to apply the invention to other similar situations without inventive effort. Moreover, it will be appreciated that in the development of any such actual embodiment, as in any specific implementation, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which will vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the invention. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as is commonly understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the invention are not to be construed as limiting the number, but may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description may not be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The utility model relates to a "a plurality of" means two or more. "and/or" describe the relational relationships of the related objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the pre-and post-connected objects are in an "or" relationship. The terms "first," "second," "third," and the like in the description of the invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

The embodiment of the utility model provides an asymmetric tread pattern, figure 1 is according to the utility model discloses the structural schematic diagram of asymmetric tread pattern. Referring to fig. 1, the asymmetric tread pattern includes at least blocks continuously distributed in the tread circumferential direction, the blocks including: the tire tread pattern block comprises a first tire shoulder pattern block 1 located at a left tire shoulder position, a second tire shoulder pattern block 5 located at a right tire shoulder position, a middle pattern block 3 located in the middle of a tire tread, a first inner pattern block 2 located between the first tire shoulder pattern block 1 and the middle pattern block 3, and a second inner pattern block 4 located between the middle pattern block 3 and the second tire shoulder pattern block 5. The axial widths of the first shoulder pattern block 1 and the second shoulder pattern block 5 are equal, and the axial widths of the first inner pattern block 2 and the second inner pattern block 4 are equal. By adopting the structure, the drainage of the accumulated water road condition of the tire in rainy days and the control stability and comfort under the high-speed running working condition are improved in a balanced manner.

The asymmetric tread pattern of the embodiment further comprises 4 broad main grooves extending along the circumferential direction of the tread, wherein the first main groove 11, the second main groove 12, the third tread groove 8, the fourth main groove 9 and the fifth main groove 14 are communicated through the main grooves, and the overall drainage is better realized. The main grooves include a first main groove 15 between the first shoulder block 1 and the first inner block 2, a second main groove 16 between the first inner block 2 and the middle block 3, a third main groove 17 between the middle block 3 and the second inner block 4, and a fourth main groove 18 between the second inner block 4 and the second shoulder block 5.

Alternate interval sets up horizontal first main ditch 11 and first tread groove 6 on the first child shoulder decorative pattern piece 1, and first main ditch 11 is the width gradual change structure of falling V-arrangement, and V-arrangement top width is minimum, extends to both sides from the top, and the width grow gradually, should fall V-arrangement and be the list of having used for reference the width gradual change, slow mountain peak shape, and peak department width is minimum. Wherein, one end of the first main groove 11 is communicated with the left edge of the first shoulder pattern block 1, the other end is communicated with the first main groove 15, and the length of the first main groove 11 close to the left edge of the first shoulder pattern block 1 is greater than the length close to the first main groove 15. The first furrow 6 is an M-shaped crossed semi-communicated structure, and comprises a first pair of inward furrows 19, a first pair of outward furrows 21, a second pair of inward furrows 20 and a second pair of outward furrows 22. Wherein, the one end of the first pair of inward ditches 19 is communicated with the left edge of the first shoulder pattern block 1, the other end is communicated with one end of the first pair of outward ditches 21, the other end of the first pair of outward ditches 21 is communicated with the middle part of the second pair of inward ditches 20, one end of the second pair of inward ditches 20 communicated with the first pair of outward ditches 21 is of a closed structure, the other end is communicated with one end of the second pair of outward ditches 22, and the other end of the second pair of outward ditches 22 is communicated with the first main ditch 15. The first shoulder pattern block 1 is provided with the transverse first main grooves 11 and the first pattern grooves 6 which are alternately designed in width, so that high-speed airflow generated in the running process of the tire can be effectively cut off, high-sound-pressure tire noise is avoided, the noise of the tire is reduced, and the comfort performance of the tire is guaranteed.

Alternate interval sets up second main furrow 12 and second ditch 7 on the first inboard decorative pattern piece 2, and second main furrow 12 is the arc structure of slope and width gradual change that inclines upward right, and this arc structure has been used for the reference mountain peak and has been added gentle slope shape, and the mountain peak left side adopts wide ditch structure with gentle slope, and the mountain peak right side adopts the narrow ditch structure, and the equal selfing point of wide ditch and narrow ditch is outwards extended. One end of the second main groove 12 communicates with the first main groove 15, and the other end communicates with the second main groove 16. The second groove 7 is the cross connection formula structure, including the third to the ditch 23 in, the third to the outside ditch 25, the fourth to the ditch 24 in, the third to the one end and the first main slot 15 intercommunication of the ditch 23 in, the other end and the third to the one end intercommunication of outside ditch 25, the fourth is to the one end of the ditch 24 in being the enclosed construction, passes the middle part and the third of the outside ditch 25 to the outside ditch 25 intercommunication, the other end and the second main slot 16 intercommunication.

The third main grooves 13 and the third pattern grooves 8 are alternately arranged on the middle pattern block 3 at intervals, the third main grooves 13 are of an inverted V-shaped structure, the inverted V-shaped structure is a steep hill-shaped structure with gradually changed width by reference, the width of the peak is the minimum, and the peak is positioned on the left side of the center of the middle pattern block 3. One end of the third main groove 13 is communicated with the second main groove 16, the other end is communicated with the third main groove 17, the length of the third main groove 13 close to the second main groove 16 is smaller than the length of the third main groove 17, the third groove 8 is an arc structure which inclines to the lower right and has gradually changed width, one end of the third groove 8 is communicated with the second main groove 16, and the other end is communicated with the third main groove 17.

The fourth main groove 9 is arranged on the second inner pattern block 4, the fourth main groove 9 is in a Y-shaped structure, one end of the fourth main groove is communicated with the third main groove 17, and the other end of the fourth main groove is communicated with the fourth main groove 18. Above-mentioned Y shape structure has used for reference river tributary, and both ends are passed through main slot and adjacent decorative pattern piece intercommunication about fourth main ditch 9, realize air current and rivers circulation, and central hookup location width is narrowest, and 4 deformation volume up to standard of the inboard decorative pattern piece of second can realize the pressure auto-lock in the use, reinforcing decorative pattern piece intensity, guarantee tire ground gripping nature and nature controlled.

Fifth main grooves 14 and fourth pattern grooves 10 are alternately arranged on the second shoulder pattern block 5 at intervals, the fifth main grooves 14 are in transverse arc structures and are upward opened, one ends of the fifth main grooves 14 are communicated with the fourth main grooves 18, and the other ends of the fifth main grooves are communicated with the right side edge of the second shoulder pattern block 5. The fourth tread groove 10 is a curved structure, one end of which is bent downward and is communicated with the fifth main groove 14, and the other end of which is communicated with the right side edge of the second shoulder pattern block 5. By adopting the structure, the drainage of the decorative patterns is ensured to a certain degree, the strength of the right pattern blocks is further enhanced, the deformation in the movement is reduced, the hardness of the decorative patterns on the outer side is improved, and the rolling resistance and the wear resistance are further improved.

By adopting the structure, the saturation of the pattern block on the left side of the circumferential center line of the asymmetric tread is lower than that of the pattern block on the right side of the circumferential center line of the asymmetric tread, the control stability of a vehicle when the vehicle is bent over on a dry and wet road surface is improved while the overall saturation of the pattern is balanced, and the first shoulder pattern block and the second shoulder pattern block adopt a double-side open type shoulder design, so that the impact feeling during the running of the shoulder complex working condition of the tire is optimized, and the comfort of the tire is improved.

The utility model discloses asymmetric tread pattern adopts the bionical design of natural landscape, has vertically laid out 4 broad main grooves, in the aspect of the lateral design, the first child shoulder decorative pattern piece in left side and first inboard decorative pattern piece adopt the design of type mountain peak, and set up the lateral pattern groove and the main ditch of wide narrow alternative design in the decorative pattern piece, can effectively cut off the high velocity air who produces in the tire operation to avoid high sound pressure level tyre noise to appear, reduce the noise of tire, the comfort performance of guarantee tire. The right side second tire shoulder decorative pattern piece sets up integral type Y shape tread pattern groove, similar river tributary, ditch central point puts narrowest, the decorative pattern saturation is higher, provide stronger land fertility of grabbing, Y shape tread pattern groove intercommunication third main slot and fourth main slot, realize air current and rivers circulation with adjacent middle decorative pattern piece and second tire shoulder decorative pattern piece, the decorative pattern piece deformation volume is up to standard and can realize the inboard decorative pattern piece use of second in the pressure auto-lock, reinforcing decorative pattern piece intensity, guarantee tire ground gripping nature and nature controlled. The fifth main groove on the second tire shoulder pattern block on the right side is designed in a curve mode and is communicated with the fourth pattern groove, only one end of the fourth pattern groove is provided with an opening and extends to the fifth main groove of the pattern transverse groove, and the fourth pattern groove is not communicated with the longitudinal fourth main groove.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (10)

1. An asymmetric tread pattern comprising at least blocks distributed continuously in the circumferential direction of the tread, characterized in that: the pattern blocks comprise a first shoulder pattern block (1) positioned at the left shoulder position, a second shoulder pattern block (5) positioned at the right shoulder position, a middle pattern block (3) positioned in the middle of the tire tread, a first inner pattern block (2) positioned between the first shoulder pattern block (1) and the middle pattern block (3), and a second inner pattern block (4) positioned between the middle pattern block (3) and the second shoulder pattern block (5); alternate interval sets up first main ditch (11) and first tread pattern groove (6) on first shoulder tread pattern piece (1), alternate interval sets up second main ditch (12) and second tread pattern groove (7) on first inboard tread pattern piece (2), alternate interval sets up third main ditch (13) and third tread pattern groove (8) on middle tread pattern piece (3), arrange on second inboard tread pattern piece (4) and set up fourth main ditch (9), alternate interval sets up fifth main ditch (14) and fourth tread pattern groove (10) on second shoulder tread pattern piece (5).

2. The asymmetric tread pattern as recited in claim 1, wherein: still include the main groove that extends along tread circumference, the main groove includes first main groove (15) between first shoulder decorative pattern piece (1) and first inboard decorative pattern piece (2), second main groove (16) between first inboard decorative pattern piece (2) and middle decorative pattern piece (3), third main groove (17) between middle decorative pattern piece (3) and second inboard decorative pattern piece (4), and fourth main groove (18) between second inboard decorative pattern piece (4) and second shoulder decorative pattern piece (5).

3. The asymmetric tread pattern of claim 2, wherein: the first main groove (11) is of an inverted V-shaped structure with gradually changed width, the width of the top end of the V shape is minimum, the width of the V shape is gradually increased from the top end to two sides, one end of the first main groove (11) is communicated with the left side edge of the first shoulder pattern block (1), and the other end of the first main groove is communicated with the first main groove (15); the second main groove (12) is of an arc structure which inclines upwards rightwards and has gradually changed width, one end of the second main groove (12) is communicated with the first main groove (15), and the other end of the second main groove is communicated with the second main groove (16).

4. The asymmetric tread pattern of claim 2, wherein: the third main groove (13) is of an inverted V-shaped structure, one end of the third main groove (13) is communicated with the second main groove (16), and the other end of the third main groove is communicated with the third main groove (17).

5. The asymmetric tread pattern of claim 2, wherein: the fourth main groove (9) is of a Y-shaped structure, the width of the central connecting position is the narrowest, one end of the fourth main groove (9) is communicated with the third main groove (17), and the other end of the fourth main groove is communicated with the fourth main groove (18); the fifth main groove (14) is of a transverse arc structure and is opened upwards, one end of the fifth main groove (14) is communicated with the fourth main groove (18), and the other end of the fifth main groove is communicated with the right side edge of the second tire shoulder pattern block (5).

6. The asymmetric tread pattern of claim 2, wherein: the first tread groove (6) is of an M-shaped crossed semi-communicated structure and comprises a first pair of inward grooves (19), a first pair of outward grooves (21), a second pair of inward grooves (20) and a second pair of outward grooves (22), one end of each first pair of inward grooves (19) is communicated with the left side edge of each first shoulder pattern block (1), the other end of each first pair of outward grooves (21) is communicated with one end of each first pair of outward grooves (21), the other end of each first pair of outward grooves (21) is communicated with the middle of each second pair of inward grooves (20), one end of each second pair of inward grooves (20) communicated with the corresponding first pair of outward grooves (21) is of a closed structure, the other end of each second pair of outward grooves (22) is communicated with one end of each second pair of outward grooves (22), and the other end of each second pair of outward grooves (22) is communicated with the corresponding first main groove (15).

7. The asymmetric tread pattern of claim 2, wherein: second stria ditch (7) are alternately connected formula structure, including the third to interior ditch (23), the third to outside ditch (25) and fourth to interior ditch (24), the third is to the one end and the first main slot (15) intercommunication of interior ditch (23), the other end and the third is to the one end intercommunication of outside ditch (25), the fourth is to the one end of interior ditch (24) for enclosed construction, the middle part and the third of passing the third to outside ditch (25) are to outside ditch (25) intercommunication, the other end and second main slot (16) intercommunication.

8. The asymmetric tread pattern of claim 2, wherein: the third groove (8) is an arc structure which inclines to the lower right and has gradually changed width, one end of the third groove (8) is communicated with the second main groove (16), and the other end is communicated with the third main groove (17).

9. The asymmetric tread pattern of claim 2, wherein: the fourth tread groove (10) is of a curve structure, one end of the fourth tread groove is bent downwards and communicated with the fifth main groove (14), and the other end of the fourth tread groove is communicated with the right side edge of the second tire shoulder pattern block (5).

10. A tire comprising a tread for contact with the ground during driving, characterized in that: an asymmetric tread pattern comprising any one of claims 1 to 9 is provided on the tread.

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