CN209851986U - Tire pattern structure and four-season tire comprising same - Google Patents

Abstract

The utility model provides a tire pattern structure and contain four seasons child of this tire pattern structure belongs to tire technical field, and it has the main performance that special snowfield child goes on ice and snow road surface, compromises the safe in utilization of normal road conditions again simultaneously, can satisfy the requirement that the all road conditions of four seasons went to go. The tire pattern structure comprises a plurality of main grooves and auxiliary grooves; the main grooves comprise a first main groove and a second main groove, the first main groove and the second main groove extend towards the rolling direction of the tire, and the first main groove and the second main groove divide the outer surface of the tire into a plurality of groups of V-shaped pattern blocks; the V-shaped pattern block group comprises a first diamond-shaped pattern block, a second diamond-shaped pattern block, a left side oblique pattern block and a right side oblique pattern block; the auxiliary grooves comprise a first auxiliary groove and a second auxiliary groove, the first auxiliary groove is formed in the left side inclined pattern block and the first rhombic pattern block, and the second auxiliary groove is formed in the right side inclined pattern block and the second rhombic pattern block.

Description

Tire pattern structure and four-season tire comprising same

Technical Field

The utility model belongs to the technical field of the tire, especially, relate to a tire pattern structure and contain four seasons child of this tire pattern structure.

Background

In the severe seasonal climate areas, when the vehicle runs on icy and snowy roads by adopting a common summer tire, the running safety can be greatly reduced, and personal and property safety loss is very easy to cause.

In view of the above problems, more and more tire manufacturers are dedicated to developing tires for all seasons to meet the driving requirements of all seasons. For example: patent CN102922953A discloses an all-weather four-season tire with single-guide V-shaped pattern, which balances running stability, drainage and braking performance by the arranged single-guide V-shaped pattern structure. However, the overall performance of such prior art tires is still not ideal, for example: the straight line running stability, the capability of breaking ice and snow, the braking and driving performance of the vehicle can not meet the requirements of running all the road conditions in four seasons. Therefore, how to further improve the comprehensive performance of the four-season tire to meet the requirements of all-season running on roads is a technical problem which is urgently needed to be solved at present.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to foretell technical problem, provide a tire decorative pattern structure and contain the four seasons child of this tire decorative pattern structure, it has the main performance that special snowfield child goes on ice and snow road surface, compromises the safe in utilization of normal road conditions again simultaneously, can satisfy the requirement that the all road conditions of four seasons went.

In order to achieve the above object, the utility model discloses a technical scheme be:

the utility model provides a tire pattern structure, which comprises a plurality of main grooves and auxiliary grooves arranged between adjacent main grooves; the main grooves comprise a first main groove extending from the right side of the oblique tire surface at the left tire shoulder and a second main groove extending from the left side of the oblique tire surface at the right tire shoulder; each first main groove is intersected with four adjacent second main grooves, and each second main groove is intersected with four adjacent first main grooves; the first main groove and the second main groove extend towards the rolling direction of the tire, and divide the outer surface of the tire into a plurality of groups of V-shaped pattern block groups which are continuously distributed along the circumferential direction of the tire; the V-shaped pattern block group comprises two rhombic pattern blocks, a left side oblique pattern block and a right side oblique pattern block; the two rhombic pattern blocks are positioned in the middle of the tread and are arranged in a staggered mode relative to the centerline of the tread, wherein the first rhombic pattern block is close to the left side, and the second rhombic pattern block is close to the right side; the left side oblique pattern block is positioned between two adjacent first main grooves and positioned on the left side of the first rhombic pattern block; the right side oblique pattern block is positioned between two adjacent second main grooves and positioned on the right side of the second rhombic pattern block; the auxiliary grooves comprise first auxiliary grooves arranged between the first main grooves and second auxiliary grooves arranged between the second main grooves; the first auxiliary groove is formed in the left side oblique pattern block and the first rhombic pattern block, extends from the left tire shoulder to the middle of the first rhombic pattern block in an oblique mode, and divides the left side oblique pattern block into a first left side oblique pattern block and a second left side oblique pattern block which are located on the upper side and the lower side of the first auxiliary groove respectively; the second auxiliary groove is arranged on the right side part oblique pattern block and the second rhombic pattern block, extends to the middle part of the second rhombic pattern block from the right side tire shoulder in an oblique mode, and divides the right side part oblique pattern block into a first right side part oblique pattern block and a second right side part oblique pattern block which are located on the upper side and the lower side of the second auxiliary groove respectively.

Preferably, the depth ratio of the main groove to the auxiliary groove is 1.6-1.95: 1.

Preferably, the main groove and the auxiliary groove are both arc-shaped lines formed by splicing three sections of arc lines, and the radian ratio of the three sections of arc lines is 1: 1.08-1.34: 1.15-1.67.

Preferably, the first left-side oblique pattern block, the second left-side oblique pattern block, the first right-side oblique pattern block and the second right-side oblique pattern block are respectively provided with a rib in a three-fold line shape, and two ends of the rib are respectively communicated with the main groove and the auxiliary groove.

Preferably, the first left-side oblique pattern block, the second left-side oblique pattern block, the first right-side oblique pattern block and the second right-side oblique pattern block are provided with sipe groups at the tire shoulder, and the sipe groups comprise a first sipe close to the inner side of the tire shoulder and a second sipe close to the outer side of the tire shoulder; two ends of the first cutter groove are respectively communicated with the main groove and the auxiliary groove, the first cutter groove is a zigzag cutter groove with an obtuse angle, and the obtuse angle points to the inner side of the tire shoulder; the second siping is sharp shape siping, and the second siping is from last to down by the inboard slope setting in the tire shoulder outside, is located the upper end and the first main slot intercommunication of the second siping on the oblique decorative pattern piece of first left part, is located the upper end and the first secondary slot intercommunication of the second siping on the oblique decorative pattern piece of second left part, is located the upper end and the second main slot intercommunication of the second siping on the oblique decorative pattern piece of first right side part, is located the upper end and the secondary slot intercommunication of the second siping on the oblique decorative pattern piece of second right side part.

Preferably, the first left-side oblique pattern block, the second left-side oblique pattern block, the first right-side oblique pattern block and the second right-side oblique pattern block are respectively provided with a first steel sheet group and a second steel sheet group, the first steel sheet group is located between the rib and the first knife slot, and the second steel sheet group is located between the rib and the rhombic pattern block; the first steel sheet group comprises a plurality of first steel sheets arranged close to the ribs and a second steel sheet arranged close to the first knife slot; the first steel sheets are arranged in parallel, the first steel sheets are obliquely arranged from the outer side of the tire tread to the middle of the tire tread from the lower end to the upper end, and two ends of each first steel sheet are respectively communicated with the main groove and the auxiliary groove; one end of a second steel sheet positioned on the first left side inclined pattern block is communicated with the first main groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the second left side part is communicated with the first auxiliary groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the first right side part is communicated with the second main groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the second right side part is communicated with the second auxiliary groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; the second steel sheet group comprises a plurality of third steel sheets arranged close to the pattern ribs and a fourth steel sheet arranged close to the diamond pattern blocks, and the third steel sheets and the fourth steel sheets are obliquely arranged from the outer side of the tread to the middle of the tread from the lower end to the upper end; the plurality of third steel sheets are arranged in parallel, and two ends of each third steel sheet are respectively communicated with the main groove and the auxiliary groove; the lower end of a fourth steel sheet positioned on the first left side inclined pattern block is communicated with the first auxiliary groove, the lower end of the fourth steel sheet positioned on the second left side inclined pattern block is communicated with the first main groove, the lower end of the fourth steel sheet positioned on the first right side inclined pattern block is communicated with the second auxiliary groove, and the lower end of the fourth steel sheet positioned on the second right side inclined pattern block is communicated with the second main groove.

Preferably, a plurality of fifth steel sheets extending along the transverse direction are arranged on each of the first diamond-shaped blocks and the second diamond-shaped blocks.

Preferably, a longitudinal thin groove is connected between the second steel sheet and the adjacent first steel sheet, and between two adjacent first steel sheets.

Preferably, each V-shaped block group and an adjacent main groove above the V-shaped block group form a pitch unit, the tire pattern structure is formed by randomly arranging four pitch units with different pitches, the number ratio of the four pitch units is 1: 1.1-1.5: 1-1.4: 0.85-1.2, and the pitch length ratio of the four pitch units is 0.94:1:1.10: 1.16.

The utility model discloses still provide a four seasons child, four seasons child has above-mentioned arbitrary technical scheme tire decorative pattern structure.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

1. the utility model provides a tire pattern structure, first main slot and second main slot through crossing arrangement, and first pair of slot and the vice slot of second, asymmetric single direction V-arrangement decorative pattern has been formed, make tread rigidity cross, the left and right sides shape is like "auto-lock" function, promote the straight line stability of traveling on various road surfaces of vehicle, the drainage is arranged snow the performance and is excellent, strengthen the braking and control performance on wet and slippery ice and snow road surface, the main performance that special snowfield child traveled on ice and snow road surface has, compromise the safety in utilization of normal road conditions again simultaneously, can satisfy the requirement that the all road conditions of four seasons travel;

2. in the tire pattern structure provided by the utility model, the depth of the main groove is different from that of the auxiliary groove, the depth of the main groove is deep, which is beneficial to improving the snow drainage performance, and the depth of the auxiliary groove is shallow, which is beneficial to ensuring the rigidity of the diamond pattern block and improving the ground grabbing performance;

3. in the tire pattern structure provided by the utility model, the main groove and the auxiliary groove adopt three-segment arc design, the groove trend span is large, longitudinal control and lateral skid resistance are both considered, the straight line running stability of the vehicle is improved, and excellent drainage snow discharge performance and turning control performance are both considered;

4. in the tire pattern structure provided by the utility model, the inclined pattern blocks of the V-shaped pattern block group are added with three-fold line-shaped pattern ribs, so that the ice and snow breaking capacity and the braking performance of the tire can be improved;

5. the utility model provides a tire pattern structure, still set up at the tire shoulder and be obtuse zigzag-shaped sword groove and sharp flute shape, the two cooperate, when driving in the bad road conditions such as deeply sinking the snowfield, can provide the drive power for the snow that opens ice, and can provide extra grip, improved snow ability that opens ice;

6. in the tire pattern structure provided by the utility model, the V-shaped pattern block groups are also provided with a plurality of steel sheets, so that the adhesive force and the wet skid resistance of the tire shoulder and the tire tread to the ice and snow road surface are improved, meanwhile, the rigidity of the tire shoulder and the tire tread can be softened, and the riding comfort is improved;

7. in the tire pattern structure provided by the utility model, the longitudinal fine groove arranged near the tire shoulder is matched with the pattern rib and the first steel sheet group, thereby ensuring the steering stability and preventing sideslip;

8. the utility model provides a four seasons child has the main performance that special snowfield child went on ice and snow road surface, compromises the safe in utilization of normal road conditions again simultaneously, possesses the characteristics of "a child is multi-purpose", "the four seasons is suitable for", can satisfy the requirement that the all road conditions of four seasons went.

Drawings

Fig. 1 is a schematic structural diagram of a tire pattern structure provided by the present invention;

in the above figures: 1. a main trench; 11. a first main trench; 12. a second main trench; 2. a sub-groove; 21. a first secondary groove; 22. a second auxiliary groove; 3. a V-shaped block group; 31. the left side part of the inclined pattern block; 311. a first left lateral diagonal pattern block; 312. a second left lateral diagonal pattern block; 32. diamond pattern blocks; 321. a first diamond pattern block; 322. a second diamond pattern block; 33. the right side part oblique pattern block; 331. a first right lateral oblique pattern block; 332. a second right-side oblique pattern block; 4. flower ribs; 5. a sipe group; 51. a first knife slot; 52. a second knife slot; 6. a first steel sheet group; 61. a first steel sheet; 62. a second steel sheet; 7. a second steel sheet group; 71. a third steel sheet; 72. a fourth steel sheet; 8. a fifth steel sheet; 9. and (4) longitudinal fine grooves.

Detailed Description

The present invention is specifically described below by way of exemplary embodiments. It should be understood, however, that elements, structures and features of one embodiment may be beneficially incorporated in other embodiments without further recitation.

In the description of the present invention, it should be noted that the terms "left", "right", "upper", "lower", "inner", "outer", etc. indicate the positional relationship based on the positional relationship shown in fig. 1, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," "fourth," and "fifth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

As shown in fig. 1, an embodiment of the present invention relates to a tire tread structure, which includes a plurality of main grooves 1 and auxiliary grooves 2 disposed between adjacent main grooves 1; the main grooves 1 comprise a first main groove 11 extending from the right side of the oblique tire surface at the left tire shoulder and a second main groove 12 extending from the left side of the oblique tire surface at the right tire shoulder; each first main groove 11 is intersected with four adjacent second main grooves 12, and each second main groove 12 is intersected with four adjacent first main grooves 11; the first main groove 11 and the second main groove 12 both extend towards the rolling direction of the tire, and the first main groove 11 and the second main groove 12 divide the outer surface of the tire into a plurality of V-shaped block groups 3 which are continuously distributed along the circumferential direction of the tire; the V-block group 3 includes two diamond-shaped blocks 32, a left-side lug 31, and a right-side lug 33; the two diamond-shaped pattern blocks 32 are positioned in the middle of the tread and are arranged in a staggered manner relative to the centerline of the tread, wherein the first diamond-shaped pattern block 321 is positioned close to the left side, and the second diamond-shaped pattern block 322 is positioned close to the right side; the left-side inclined block 31 is positioned between two adjacent first main grooves 11 and is positioned on the left side of the first rhombic block 321; the right-side oblique blocks 33 are positioned between two adjacent second main grooves 12 and are positioned on the right side of the second rhombic blocks 322; the sub grooves 2 include first sub grooves 21 disposed between the first main grooves 11, and second sub grooves 22 disposed between the second main grooves 12; the first auxiliary groove 21 is opened on the left inclined block 31 and the first rhombic block 321, the first auxiliary groove 21 extends from the left shoulder to the middle part of the first rhombic block 321 in an inclined mode, and divides the left inclined block 31 into a first left inclined block 311 and a second left inclined block 312 which are respectively positioned at the upper side and the lower side of the first auxiliary groove 21; the second sub-groove 22 opens on the right-side oblique block 33 and the second diamond-shaped block 322, and the second sub-groove 22 extends obliquely from the right-side shoulder to the middle of the second diamond-shaped block 322, and divides the right-side oblique block 33 into a first right-side oblique block 331 and a second right-side oblique block 332 respectively located on the upper and lower sides of the second sub-groove 22.

In the tire pattern structure, the first main groove 11 and the second main groove 12 which are arranged in a crossed manner, and the first auxiliary groove 21 and the second auxiliary groove 22 form an asymmetric single-guide V-shaped pattern, so that the tire treads are crossed rigidly, the left and right shapes are similar to a self-locking function, the straight-line running stability of a vehicle on various road surfaces is improved, the water and snow drainage performance is excellent, the braking and control performance on wet and slippery ice and snow road surfaces is enhanced, the main performance of the special snow tire in running on the ice and snow road surfaces is achieved, the use safety of normal road conditions is considered, and the requirement of running on all road conditions in all seasons can be met.

It should be noted that, as shown in fig. 1, of the intersections of the first main groove 11 and the four second main grooves 12, two intersections are located on the left side of the tread center line, and two intersections are located on the right side of the tread center line; of the intersections of the second main groove 12 and the four first main grooves 11, two intersections are located on the right side of the tread center line, and two intersections are located on the left side of the tread center line. By providing the intersection of the first main groove 11 and the second main groove 12 in this manner, the asymmetric V-shaped block group 3 can be formed.

In order to improve the comprehensive performance of the tire, the depth ratio of the main groove 1 to the auxiliary groove 2 is preferably 1.6-1.95: 1. The depth of the main groove 1 is deep, so that the snow draining performance is improved, and the depth of the auxiliary groove 2 is shallow, so that the rigidity of the diamond pattern blocks 32 is ensured, and the ground grabbing performance is improved. When the depth ratio of the main groove 1 to the sub groove 2 is within the above preferred range, it is more advantageous to obtain excellent overall performance.

Furthermore, the main groove 1 and the auxiliary groove 2 are both arc-shaped lines formed by splicing three sections of arc lines, and the radian ratio of the three sections of arc lines is preferably 1: 1.08-1.34: 1.15-1.67. The main groove 1 and the auxiliary groove 2 are designed by three arcs, the groove trend span is large, longitudinal control and lateral skid resistance are both considered, the straight line driving stability of the vehicle is improved, and meanwhile, excellent drainage and snow removal performance and turning control performance are both considered. When the three arcs have a curvature ratio within the above preferred range, it is more advantageous to obtain excellent overall properties.

In order to improve snow and ice breaking capability and braking performance, it is preferable that, as shown in fig. 1, ribs 4 in a three-fold line shape are provided on each of the first left-side oblique block 311, the second left-side oblique block 312, the first right-side oblique block 331, and the second right-side oblique block 332, and both ends of each rib 4 communicate with the main groove 1 and the sub groove 2, respectively. By adding the three-fold-line-shaped patterned ribs 4, the ice and snow breaking capacity and the braking performance of the tire can be improved.

In order to further improve the ice and snow breaking capability, as one preferable example, as shown in fig. 1, the first left-side oblique block 311, the second left-side oblique block 312, the first right-side oblique block 331 and the second right-side oblique block 332 are each provided with a sipe group 5 at the shoulder, the sipe group 5 including a first sipe 51 near the inner side of the shoulder and a second sipe 52 near the outer side of the shoulder; the two ends of the first cutter groove 51 are respectively communicated with the main groove 1 and the auxiliary groove 2, the first cutter groove 51 is a zigzag cutter groove with an obtuse angle, the obtuse angle points to the inner side of the tire shoulder, and the obtuse angle is preferably 110-130 degrees; the second sipe 52 is a linear sipe, the second sipe 52 is inclined inward from the outer side of the tire shoulder from top to bottom, the upper end of the second sipe 52 located on the first left-side oblique block 311 communicates with the first main groove 11, the upper end of the second sipe 52 located on the second left-side oblique block 312 communicates with the first sub-groove 21, the upper end of the second sipe 52 located on the first right-side oblique block 331 communicates with the second main groove 12, and the upper end of the second sipe 52 located on the second right-side oblique block 332 communicates with the second sub-groove 22. Through the broken line shape sword groove and the straight line shape sword groove that are the obtuse angle that set up in tire shoulder department cooperate, when bad road conditions such as deep-falling snowfield travel, can provide for the snow that opens ice provides drive power to can provide extra land fertility of grabbing, improve snow ability that opens ice. The tire shoulder inner side is a side of the tire shoulder closer to the tread, and the tire shoulder outer side is a side of the tire shoulder farther from the tread.

In order to improve the wet skid resistance, as shown in fig. 1, a first steel sheet group 6 and a second steel sheet group 7 are preferably arranged on each of the first left-side oblique block 311, the second left-side oblique block 312, the first right-side oblique block 331 and the second right-side oblique block 332, the first steel sheet group 6 is located between the rib 4 and the first blade groove 51, and the second steel sheet group 7 is located between the rib 4 and the rhombic block 32; the first steel sheet group 6 comprises a plurality of first steel sheets 61 arranged close to the ribs 4 and second steel sheets 62 arranged close to the first knife slot 51; the first steel sheets 61 are arranged in parallel, the first steel sheets 61 are obliquely arranged from the outer side of the tire tread to the middle of the tire tread from the lower end to the upper end, and two ends of each first steel sheet 61 are respectively communicated with the main groove 1 and the auxiliary groove 2; one end of the second steel sheet 62 positioned on the first left side inclined pattern block 311 is communicated with the first main groove 11, and the other end is communicated with the obtuse angle of the first knife groove 51; one end of the second steel sheet 62 on the second left-side inclined block 312 is communicated with the first sub-groove 21, and the other end is communicated with the obtuse angle of the first knife groove 51; one end of the second steel sheet 62 on the first right side inclined block 331 is communicated with the second main groove 12, and the other end is communicated with the obtuse angle of the first knife groove 51; one end of the second steel sheet 62 on the second right-side inclined block 332 communicates with the second sub-groove 22, and the other end communicates with the obtuse angle of the first knife groove 51; the second steel sheet group 7 comprises a plurality of third steel sheets 71 close to the ribs 4 and fourth steel sheets 72 close to the diamond-shaped pattern blocks 32, and the third steel sheets 71 and the fourth steel sheets 72 are obliquely arranged from the outer side of the tread to the middle of the tread from the lower end to the upper end; the plurality of third steel sheets 71 are arranged in parallel, and two ends of each third steel sheet 71 are respectively communicated with the main groove 1 and the auxiliary groove 2; the lower end of the fourth steel sheet 72 located on the first left-side inclined block 311 communicates with the first sub-groove 21, the lower end of the fourth steel sheet 72 located on the second left-side inclined block 312 communicates with the first main groove 11, the lower end of the fourth steel sheet 72 located on the first right-side inclined block 331 communicates with the second sub-groove 22, and the lower end of the fourth steel sheet 72 located on the second right-side inclined block 332 communicates with the second main groove 12. Through the first steel sheet group 6 and the second steel sheet group 7 that set up, cooperate with the flower muscle 4, promoted the tire shoulder and tread lateral part to the adhesive force and the wet skid resistance performance on ice and snow road surface, simultaneously, the rigidity of tire shoulder and tread lateral part can be softened to the first steel sheet group 6 and the second steel sheet group 7 that set up, improves the travelling comfort of taking a bus. The tread outer side means a side portion of the tread near both side shoulders.

Further, as shown in fig. 1, a plurality of fifth steel sheets 8 extending in the transverse direction are provided on each of the first diamond-shaped block 321 and the second diamond-shaped block 322. It should be noted that the number of the fifth steel sheets 8 arranged on each diamond-shaped pattern block 32 is 5 to 7, and the fifth steel sheets 8 may be linear or multi-section zigzag. Through the fifth steel sheet 8 that sets up, promoted the adhesive force and the wet skid resistance ability of tread middle part to ice and snow road surface, simultaneously, the rigidity in tread middle part can be softened to the fifth steel sheet 8 that sets up, improves the travelling comfort of riding.

Further, as shown in fig. 1, a longitudinal thin groove 9 is connected between the second steel sheet 62 and the adjacent first steel sheet 61, and between two adjacent first steel sheets 61. And a longitudinal narrow groove 9 arranged close to the tire shoulder is matched with the rib 4 and the first steel sheet group 6, so that the steering stability is ensured and the sideslip is prevented.

In addition, each V-shaped block group 3 and an adjacent main groove 1 above the V-shaped block group form a pitch unit, the tire pattern structure is formed by randomly arranging four pitch units with different pitches, the number ratio of the four pitch units is 1: 1.1-1.5: 1-1.4: 0.85-1.2, and the pitch length ratio of the four pitch units is 0.94:1:1.10: 1.16. The tire pattern structure with the unequal pitch design is beneficial to reducing noise.

The embodiment of the utility model provides a four seasons child has above-mentioned tire pattern structure still is provided. According to the test result of the European Union ECE R117 label method on the wet and snow lands, the wet and skid performance of the four-season tire is graded as B grade (the detection value is 1.448, G is more than or equal to 1.40 and less than or equal to 1.54 according to the B grade standard), the test result of the snow land is 1.15 (the standard is more than or equal to 1.07), the four-season tire has the main performance of the special snow tire in running on the ice and snow road surfaces, and simultaneously has the characteristics of multiple purposes in one tire and applicability in four seasons, and can meet the running requirement of all road conditions in four seasons.

Claims (10)

1. Tire pattern structure, its characterized in that: the groove structure comprises a plurality of main grooves and auxiliary grooves arranged between adjacent main grooves; the main grooves comprise a first main groove extending from the right side of the oblique tire surface at the left tire shoulder and a second main groove extending from the left side of the oblique tire surface at the right tire shoulder; each first main groove is intersected with four adjacent second main grooves, and each second main groove is intersected with four adjacent first main grooves; the first main groove and the second main groove extend towards the rolling direction of the tire, and divide the outer surface of the tire into a plurality of groups of V-shaped pattern block groups which are continuously distributed along the circumferential direction of the tire; the V-shaped pattern block group comprises two rhombic pattern blocks, a left side oblique pattern block and a right side oblique pattern block; the two rhombic pattern blocks are positioned in the middle of the tread and are arranged in a staggered mode relative to the centerline of the tread, wherein the first rhombic pattern block is close to the left side, and the second rhombic pattern block is close to the right side; the left side oblique pattern block is positioned between two adjacent first main grooves and positioned on the left side of the first rhombic pattern block; the right side oblique pattern block is positioned between two adjacent second main grooves and positioned on the right side of the second rhombic pattern block; the auxiliary grooves comprise first auxiliary grooves arranged between the first main grooves and second auxiliary grooves arranged between the second main grooves; the first auxiliary groove is formed in the left side oblique pattern block and the first rhombic pattern block, extends from the left tire shoulder to the middle of the first rhombic pattern block in an oblique mode, and divides the left side oblique pattern block into a first left side oblique pattern block and a second left side oblique pattern block which are located on the upper side and the lower side of the first auxiliary groove respectively; the second auxiliary groove is arranged on the right side part oblique pattern block and the second rhombic pattern block, extends to the middle part of the second rhombic pattern block from the right side tire shoulder in an oblique mode, and divides the right side part oblique pattern block into a first right side part oblique pattern block and a second right side part oblique pattern block which are located on the upper side and the lower side of the second auxiliary groove respectively.

2. A sipe structure according to claim 1, wherein: the depth ratio of the main groove to the auxiliary groove is 1.6-1.95: 1.

3. A sipe structure according to claim 1 or 2, wherein: the main groove and the auxiliary groove are both arc-shaped lines formed by splicing three sections of arc lines, and the radian ratio of the three sections of arc lines is 1: 1.08-1.34: 1.15-1.67.

4. A sipe structure according to claim 1, wherein: the first left side portion oblique pattern block, the second left side portion oblique pattern block, the first right side portion oblique pattern block and the second right side portion oblique pattern block are all provided with three-fold-line-shaped patterned ribs, and two ends of each patterned rib are communicated with the main groove and the auxiliary groove respectively.

5. A sipe structure according to claim 4, wherein: the first left-side oblique pattern block, the second left-side oblique pattern block, the first right-side oblique pattern block and the second right-side oblique pattern block are provided with sipe groups at the tire shoulder, and each sipe group comprises a first sipe close to the inner side of the tire shoulder and a second sipe close to the outer side of the tire shoulder; two ends of the first cutter groove are respectively communicated with the main groove and the auxiliary groove, the first cutter groove is a zigzag cutter groove with an obtuse angle, and the obtuse angle points to the inner side of the tire shoulder; the second siping is sharp shape siping, and the second siping is from last to down by the inboard slope setting in the tire shoulder outside, is located the upper end and the first main slot intercommunication of the second siping on the oblique decorative pattern piece of first left part, is located the upper end and the first secondary slot intercommunication of the second siping on the oblique decorative pattern piece of second left part, is located the upper end and the second main slot intercommunication of the second siping on the oblique decorative pattern piece of first right side part, is located the upper end and the secondary slot intercommunication of the second siping on the oblique decorative pattern piece of second right side part.

6. A sipe structure according to claim 5, wherein: the first left side oblique pattern block, the second left side oblique pattern block, the first right side oblique pattern block and the second right side oblique pattern block are respectively provided with a first steel sheet group and a second steel sheet group, the first steel sheet group is positioned between the rib and the first blade groove, and the second steel sheet group is positioned between the rib and the rhombic pattern block; the first steel sheet group comprises a plurality of first steel sheets arranged close to the ribs and a second steel sheet arranged close to the first knife slot; the first steel sheets are arranged in parallel, the first steel sheets are obliquely arranged from the outer side of the tire tread to the middle of the tire tread from the lower end to the upper end, and two ends of each first steel sheet are respectively communicated with the main groove and the auxiliary groove; one end of a second steel sheet positioned on the first left side inclined pattern block is communicated with the first main groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the second left side part is communicated with the first auxiliary groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the first right side part is communicated with the second main groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; one end of a second steel sheet positioned on the oblique pattern block at the second right side part is communicated with the second auxiliary groove, and the other end of the second steel sheet is communicated with the obtuse angle of the first knife groove; the second steel sheet group comprises a plurality of third steel sheets arranged close to the pattern ribs and a fourth steel sheet arranged close to the diamond pattern blocks, and the third steel sheets and the fourth steel sheets are obliquely arranged from the outer side of the tread to the middle of the tread from the lower end to the upper end; the plurality of third steel sheets are arranged in parallel, and two ends of each third steel sheet are respectively communicated with the main groove and the auxiliary groove; the lower end of a fourth steel sheet positioned on the first left side inclined pattern block is communicated with the first auxiliary groove, the lower end of the fourth steel sheet positioned on the second left side inclined pattern block is communicated with the first main groove, the lower end of the fourth steel sheet positioned on the first right side inclined pattern block is communicated with the second auxiliary groove, and the lower end of the fourth steel sheet positioned on the second right side inclined pattern block is communicated with the second main groove.

7. A sipe structure according to claim 6, wherein: and a plurality of fifth steel sheets extending along the transverse direction are arranged on the first diamond pattern block and the second diamond pattern block.

8. A sipe structure according to claim 6, wherein: longitudinal fine grooves are connected between the second steel sheet and the first steel sheet adjacent to the second steel sheet, and between two adjacent first steel sheets.

9. A sipe structure according to claim 1, wherein: each V-shaped pattern block group and an adjacent main groove above the V-shaped pattern block group form a pitch unit, the tire pattern structure is formed by randomly arranging four pitch units with different pitches, the number ratio of the four pitch units is 1: 1.1-1.5: 1-1.4: 0.85-1.2, and the pitch length ratio of the four pitch units is 0.94:1:1.10: 1.16.

10. The four seasons child, its characterized in that: the four-season tire has a tread pattern structure as set forth in any one of claims 1 to 9.