CN110103643B - Tire pattern structure and four-season tire comprising same - Google Patents
Tire pattern structure and four-season tire comprising same Download PDFInfo
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- CN110103643B CN110103643B CN201910439708.XA CN201910439708A CN110103643B CN 110103643 B CN110103643 B CN 110103643B CN 201910439708 A CN201910439708 A CN 201910439708A CN 110103643 B CN110103643 B CN 110103643B
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- 229910003460 diamond Inorganic materials 0.000 claims abstract description 35
- 239000010432 diamond Substances 0.000 claims abstract description 35
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 115
- 239000010959 steel Substances 0.000 claims description 115
- 239000011295 pitch Substances 0.000 claims description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000001932 seasonal effect Effects 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003205 muscle Anatomy 0.000 description 1
- 210000002435 tendon Anatomy 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/032—Patterns comprising isolated recesses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C2011/0337—Tread patterns characterised by particular design features of the pattern
- B60C2011/0339—Grooves
- B60C2011/0358—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
- B60C2011/0367—Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention provides a tire pattern structure and a four-season tire comprising the tire pattern structure, belongs to the technical field of tires, has the main performance of special snow tires for running on ice and snow roads, simultaneously gives consideration to the use safety of normal road conditions, and can meet the requirements of all-season road condition running. 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 V-shaped pattern block groups; the V-shaped pattern block group comprises a first diamond pattern block, a second diamond pattern block, a left side inclined pattern block and a right side inclined pattern block; the auxiliary grooves comprise a first auxiliary groove and a second auxiliary groove, the first auxiliary groove is arranged on the left side inclined pattern block and the first diamond pattern block, and the second auxiliary groove is arranged on the right side inclined pattern block and the second diamond pattern block.
Description
Technical Field
The invention belongs to the technical field of tires, and particularly relates to a tire pattern structure and a four-season tire comprising the same.
Background
In the severe seasonal weather areas, when the vehicle adopts common summer tires to run on ice and snow roads, the running safety is greatly reduced, personal and property safety losses are very easy to cause, at present, a special snow tire replacing mode is generally adopted to ensure the running safety of the ice and snow roads, but the snow tires have the problems of rapid abrasion and poor high-speed performance when running on normal dry and wet roads, so that the summer tires and the snow tires can not meet the requirements of all-season running, and meanwhile, the tires are frequently replaced along with seasonal changes or temporary changes of running road conditions, so that inconvenience in carrying and installation is caused to the vehicle owners, and even potential safety hazards exist.
In view of the above problems, more and more tire manufacturers are devoted to developing tires to meet the driving requirements of all road conditions in the four seasons. For example: patent CN102922953a discloses an all-weather four-season tire of a single-guide V-pattern which balances running stability, drainage and braking properties by a single-guide V-pattern structure provided. However, the comprehensive performance of the existing tire is still not ideal, for example: the linear running stability, the ice and snow breaking capability and the braking and driving performances of the vehicle still cannot meet the requirements of all-season road condition running. Therefore, how to further improve the comprehensive performance of the tire to meet the requirements of all-season road condition running is a technical problem which needs to be solved currently.
Disclosure of Invention
Aiming at the technical problems, the invention provides a tire pattern structure and a four-season tire comprising the tire pattern structure, which have the main performance of running on ice and snow roads of a special snow tire, and simultaneously give consideration to the use safety of normal road conditions, and can meet the requirements of all-season road condition running.
In order to achieve the above purpose, the invention adopts the following technical scheme:
the invention 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 left tire shoulder to the right side of the tread and a second main groove extending from the right tire shoulder to the left side of the tread; 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 V-shaped pattern block groups which are continuously distributed along the circumferential direction of the tire; the V-shaped pattern block group comprises two diamond pattern blocks, a left inclined pattern block and a right inclined pattern block; the two diamond-shaped pattern blocks are positioned in the middle of the tread and are staggered relative to the center line of the tread, wherein the first diamond-shaped pattern block is positioned near the left side, and the second diamond-shaped pattern block is positioned near the right side; the left side oblique pattern block is positioned between two adjacent first main grooves and positioned at the left side of the first diamond 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 diamond 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 grooves are formed in the left inclined pattern blocks and the first diamond pattern blocks, extend obliquely from the left tire shoulder to the middle of the first diamond pattern blocks, and divide the left inclined pattern blocks into a first left inclined pattern block and a second left inclined pattern block which are respectively positioned on the upper side and the lower side of the first auxiliary grooves; the second auxiliary groove is arranged on the right side inclined pattern block and the second diamond pattern block, extends obliquely from the right side shoulder to the middle of the second diamond pattern block, and divides the right side inclined pattern block into a first right side inclined pattern block and a second right side inclined pattern block which are respectively positioned on the upper side and the lower side of the second auxiliary groove.
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 arc-shaped formed by splicing three arc lines, and the radian ratio of the three arc lines is 1:1.08-1.34:1.15-1.67.
Preferably, the first left side inclined pattern block, the second left side inclined pattern block, the first right side inclined pattern block and the second right side inclined pattern block are respectively provided with tri-fold linear flower ribs, and two ends of each flower rib are respectively communicated with the main groove and the auxiliary groove.
Preferably, the first left side inclined pattern block, the second left side inclined pattern block, the first right side inclined pattern block and the second right side inclined pattern block are respectively provided with a sipe group at the tire shoulder, wherein the 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; the two ends of the first cutter groove are respectively communicated with the main groove and the auxiliary groove, the first cutter groove is a broken line-shaped cutter groove with an obtuse angle, and the obtuse angle points to the inner side of the tire shoulder; the second sipe is a linear sipe, the second sipe is obliquely arranged from top to bottom from the outer side to the inner side of the tire shoulder, the upper end of the second sipe on the first left-side inclined pattern block is communicated with the first main groove, the upper end of the second sipe on the second left-side inclined pattern block is communicated with the first auxiliary groove, the upper end of the second sipe on the first right-side inclined pattern block is communicated with the second main groove, and the upper end of the second sipe on the second right-side inclined pattern block is communicated with the second auxiliary groove.
Preferably, the first left side inclined pattern block, the second left side inclined pattern block, the first right side inclined pattern block and the second right side inclined 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 spline and the first cutter groove, and the second steel sheet group is positioned between the spline and the diamond pattern block; the first steel sheet group comprises a plurality of first steel sheets arranged close to the spline and a second steel sheet arranged close to the first knife groove; the plurality of first steel sheets are arranged in parallel, the first steel sheets are obliquely arranged from the outer side of the tread to the middle part of the tread from the lower end to the upper end, and the two ends of the first steel sheets are respectively communicated with the main groove and the auxiliary groove; one end of a second steel sheet positioned on the first left 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 second left inclined pattern block 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 first right inclined pattern block 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 second right side inclined pattern block 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 spline and fourth steel sheets 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 part 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 the fourth steel sheet positioned on the first left oblique pattern block is communicated with the first auxiliary groove, the lower end of the fourth steel sheet positioned on the second left oblique pattern block is communicated with the first main groove, the lower end of the fourth steel sheet positioned on the first right oblique pattern block is communicated with the second auxiliary groove, and the lower end of the fourth steel sheet positioned on the second right oblique pattern block is communicated with the second main groove.
Preferably, the first diamond-shaped pattern block and the second diamond-shaped pattern block are respectively provided with a plurality of fifth steel sheets extending along the transverse direction.
Preferably, longitudinal furrows are connected between the second steel sheet and the first steel sheet adjacent to the second steel sheet and between the two adjacent first steel sheets.
Preferably, 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 irregularly arranging four pitch units with unequal 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 invention also provides a four-season tire, which is provided with the tire pattern structure according to any one of the technical schemes.
Compared with the prior art, the invention has the advantages that:
1. according to the tire pattern structure, the first main grooves and the second main grooves, and the first auxiliary grooves and the second auxiliary grooves which are arranged in a crossing manner form an asymmetric single-guide V-shaped pattern, so that the tire surface is crossed rigidly, the left and right functions of self-locking are realized, the straight running stability of a vehicle on various roads is improved, the water and snow draining performance is excellent, the braking and control performance on wet and slippery ice and snow roads is enhanced, the main performance of special snow tires on ice and snow roads is realized, the use safety of normal road conditions is also considered, and the requirements of all-season all-road running can be met;
2. in the tire pattern structure provided by the invention, the depths of the main grooves and the auxiliary grooves are different, the depth of the main grooves is deep, the drainage and snow removal performances are improved, the depth of the auxiliary grooves is shallow, the rigidity of the diamond pattern blocks is ensured, and the ground grabbing performance is improved;
3. in the tire pattern structure provided by the invention, the main groove and the auxiliary groove are designed by adopting three-section arc, the trend span of the grooves is large, the longitudinal control and the lateral skid resistance are considered, the straight running stability of the vehicle is improved, and meanwhile, the excellent water and snow draining performance and the turning control performance are considered;
4. in the tire pattern structure provided by the invention, the oblique pattern blocks of the V-shaped pattern block group are further added with the tri-folded linear pattern ribs, so that the ice and snow breaking capacity and braking performance of the tire can be improved;
5. in the tire pattern structure provided by the invention, the tire shoulder is also provided with the folded linear cutter groove and the linear cutter groove which form obtuse angles, and the folded linear cutter groove and the linear cutter groove are matched with each other, so that the driving force for breaking ice and snow can be provided when the tire is driven under severe road conditions such as deep snow sinking and the like, and the additional ground grabbing force can be provided, and the ice and snow breaking capacity is improved;
6. in the tire pattern structure provided by the invention, the V-shaped pattern block group is also provided with a plurality of steel sheets, so that the adhesive force and the anti-wet performance of tire shoulders and tire treads to ice and snow roads are improved, meanwhile, the rigidity of the tire shoulders and the tire treads can be softened, and the riding comfort is improved;
7. in the tire pattern structure provided by the invention, the longitudinal groove arranged near the tire shoulder is matched with the spline and the first steel sheet group to jointly ensure steering stability and prevent sideslip;
8. the four-season tire provided by the invention has the main performance of special snow tires for running on ice and snow roads, and simultaneously has the characteristics of multiple purposes and four-season applicability of the tire, and can meet the requirements of all-season road condition running.
Drawings
FIG. 1 is a schematic view of a tire tread structure according to 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 sub-groove; 22. a second sub-groove; 3. v-shaped block groups; 31. left side oblique pattern blocks; 311. a first left-side diagonal block; 312. a second left-side diagonal block; 32. diamond pattern blocks; 321. a first diamond-shaped block; 322. a second diamond-shaped block; 33. the right side part is inclined to the pattern block; 331. a first right side diagonal block; 332. a second right side diagonal block; 4. flower tendons; 5. sipe groups; 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. longitudinal furrows.
Detailed Description
The present invention will be specifically described below by way of exemplary embodiments. It is to be understood 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 positional or positional relationship indicated by the terms such as "left", "right", "upper", "lower", "inner", "outer", etc. are based on the positional relationship shown in fig. 1, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question 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 pattern structure including a plurality of main grooves 1 and sub-grooves 2 provided between adjacent main grooves 1; the main grooves 1 comprise a first main groove 11 extending from the left shoulder obliquely to the right of the tread, and a second main groove 12 extending from the right shoulder obliquely to the left of the tread; each first main groove 11 intersects four adjacent second main grooves 12, and each second main groove 12 intersects four adjacent first main grooves 11; the first main groove 11 and the second main groove 12 each extend toward the tire rolling direction, the first main groove 11 and the second main groove 12 dividing the tire outer surface into a plurality of V-shaped block groups 3 continuously distributed in the tire circumferential direction; the V-shaped block group 3 includes two diamond-shaped blocks 32, one left-side diagonal block 31, and one right-side diagonal block 33; the two diamond-shaped pattern blocks 32 are positioned in the middle of the tread and are staggered relative to the center line of the tread, wherein the first diamond-shaped pattern block 321 is positioned near the left side, and the second diamond-shaped pattern block 322 is positioned near the right side; the left side inclined pattern block 31 is positioned between two adjacent first main grooves 11 and positioned at the left side of the first diamond pattern block 321; the right side oblique pattern block 33 is positioned between two adjacent second main grooves 12 and positioned on the right side of the second diamond pattern block 322; the sub-grooves 2 include a first sub-groove 21 provided between the first main grooves 11, and a second sub-groove 22 provided between the second main grooves 12; the first auxiliary groove 21 is arranged on the left inclined pattern block 31 and the first diamond pattern block 321, the first auxiliary groove 21 extends obliquely from the left shoulder to the middle of the first diamond pattern block 321, and the left inclined pattern block 31 is divided into a first left inclined pattern block 311 and a second left inclined pattern block 312 which are respectively positioned on the upper side and the lower side of the first auxiliary groove 21; the second auxiliary groove 22 is arranged on the right side inclined pattern block 33 and the second diamond pattern block 322, the second auxiliary groove 22 extends from the right side shoulder to the middle part of the second diamond pattern block 322 in an inclined way, and the right side inclined pattern block 33 is divided into a first right side inclined pattern block 331 and a second right side inclined pattern block 332 which are respectively positioned on the upper side and the lower side of the second auxiliary groove 22.
In the tire pattern structure, the first main groove 11 and the second main groove 12 which are arranged in a crossing way, and the first auxiliary groove 21 and the second auxiliary groove 22 form an asymmetric single-guide V-shaped pattern, so that the tire surface is rigidly crossed, the left and right functions of the tire pattern structure are similar to a self-locking function, the straight running stability of a vehicle on various roads is improved, the water and snow draining performance is excellent, the braking and control performance on wet and slippery ice and snow roads is enhanced, the special snow tire has the main performance of running on ice and snow roads, the use safety of normal road conditions is also considered, and the requirement of running on all road conditions in four seasons can be met.
It should be noted that, as shown in fig. 1, among the intersecting points of the first main groove 11 and the four second main grooves 12, two intersecting points are located on the left side of the tread center line, and two intersecting points are located on the right side of the tread center line; of the intersections of the second main grooves 12 with 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. The intersection of the first main groove 11 and the second main groove 12 is thus set to form the above-described asymmetric V-block group 3.
In order to improve the comprehensive performance of the tire, the depth ratio of the main groove 1 to the auxiliary groove 2 is 1.6-1.95:1 as a preferable mode. The depth of the main groove 1 is deep, which is beneficial to improving the drainage and snow removal performance, and the depth of the auxiliary groove 2 is shallow, which is beneficial to ensuring the rigidity of the diamond pattern block 32 and improving the ground grabbing performance. When the depth ratio of the main grooves 1 to the sub grooves 2 is within the above preferred range, it is more advantageous to obtain excellent comprehensive performance.
Further, the main groove 1 and the auxiliary groove 2 are arc-shaped formed by splicing three arc lines, and the radian ratio of the three arc lines is preferably 1:1.08-1.34:1.15-1.67. The main groove 1 and the auxiliary groove 2 are designed in a three-section arc mode, the trend span of the grooves is large, longitudinal control and lateral anti-slip are considered, the straight running stability of the vehicle is improved, and meanwhile excellent water and snow draining performance and turning control performance are considered. When the arc of the three arcs is within the above preferred range, it is more advantageous to obtain excellent overall performance.
In order to improve the ice and snow breaking capability and the braking performance, as shown in fig. 1, preferably, the first left side inclined pattern block 311, the second left side inclined pattern block 312, the first right side inclined pattern block 331 and the second right side inclined pattern block 332 are respectively provided with tri-fold ribs 4, and two ends of each rib 4 are respectively communicated with the main groove 1 and the auxiliary groove 2. By adding the spline 4 in a tri-fold shape, the ice and snow breaking capacity and braking performance of the tire can be improved.
In order to further improve the ice and snow breaking capability, as one preferable, 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 knife groove 51 are respectively communicated with the main groove 1 and the auxiliary groove 2, the first knife groove 51 is a broken line-shaped knife 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 obliquely arranged from the outer side to the inner side of the tire shoulder from top to bottom, the upper end of the second sipe 52 on the first left side oblique pattern block 311 is communicated with the first main groove 11, the upper end of the second sipe 52 on the second left side oblique pattern block 312 is communicated with the first auxiliary groove 21, the upper end of the second sipe 52 on the first right side oblique pattern block 331 is communicated with the second main groove 12, and the upper end of the second sipe 52 on the second right side oblique pattern block 332 is communicated with the second auxiliary groove 22. Through being the broken line shape sword groove that obtuse angle and straight line shape sword groove that sets up in the tire shoulder department and cooperate, when driving in severe road conditions such as deep snow subsidence ground, can provide and provide the drive power for breaking ice and snow to can provide extra ground power of grabbing, improve the ability of breaking ice and snow. The inner side of the tire shoulder means the side of the tire shoulder near the tread, and the outer side of the tire shoulder means the side of the tire shoulder far from the tread.
In order to improve the wet skid resistance, as a preferable mode, as shown in fig. 1, a first left side inclined pattern block 311, a second left side inclined pattern block 312, a first right side inclined pattern block 331 and a second right side inclined pattern block 332 are respectively provided with a first steel sheet group 6 and a second steel sheet group 7, wherein the first steel sheet group 6 is positioned between the spline 4 and the first cutter groove 51, and the second steel sheet group 7 is positioned between the spline 4 and the diamond pattern block 32; the first steel sheet group 6 includes a plurality of first steel sheets 61 disposed near the spline 4, and a second steel sheet 62 disposed near the first sipe 51; the plurality of first steel sheets 61 are arranged in parallel, the first steel sheets 61 are obliquely arranged from the outer side of the tread to the middle part of the 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 sipe 51; one end of the second steel sheet 62 positioned on the second left side inclined block 312 is communicated with the first auxiliary groove 21, and the other end is communicated with the obtuse angle of the first sipe 51; one end of the second steel sheet 62 positioned on the first right side inclined pattern block 331 is communicated with the second main groove 12, and the other end is communicated with the obtuse angle of the first sipe 51; one end of the second steel sheet 62 positioned on the second right side oblique block 332 is communicated with the second auxiliary groove 22, and the other end is communicated with the obtuse angle of the first sipe 51; the second steel sheet group 7 comprises a plurality of third steel sheets 71 which are arranged close to the spline 4, and fourth steel sheets 72 which are arranged close to the diamond-shaped pattern blocks 32, wherein the third steel sheets 71 and the fourth steel sheets 72 are obliquely arranged from the outer side of the tread to the middle part 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 diagonal block 311 communicates with the first sub groove 21, the lower end of the fourth steel sheet 72 located on the second left side diagonal block 312 communicates with the first main groove 11, the lower end of the fourth steel sheet 72 located on the first right side diagonal 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 diagonal 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 adhesive force and the anti-skidding performance of tire shoulder and tread lateral part to 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 riding. The outer side of the tread means the side of the tread near the shoulders of the two sides.
Further, as shown in fig. 1, a plurality of fifth steel plates 8 extending in the transverse direction are provided on each of the first diamond-shaped blocks 321 and the second diamond-shaped blocks 322. It should be noted that, the number of the fifth steel sheets 8 provided on each diamond pattern block 32 is 5 to 7, and the fifth steel sheets 8 may be linear or multi-segment folded. Through the fifth steel sheet 8 that sets up, promoted the tread middle part to ice and snow road surface's adhesive force and anti wet skid property, 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, longitudinal grooves 9 are connected between the second steel sheet 62 and the adjacent first steel sheet 61, and between the adjacent two first steel sheets 61. The longitudinal narrow groove 9 near the tire shoulder is matched with the spline 4 and the first steel sheet group 6 to jointly ensure steering stability and prevent sideslip.
In addition, each V-shaped pattern block group 3 and an adjacent main groove 1 above the V-shaped pattern block group form a pitch unit, the tire pattern structure is formed by irregularly arranging four pitch units with unequal 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 unequal pitch design is beneficial to noise reduction.
The embodiment of the invention also provides a four-season tire with the tire pattern structure. According to the EU ECE R117 label method, the wet skid performance of the tire is rated as B level (detection value is 1.448, B level standard is 1.40-1.54), the snow test result is 1.15 (standard is 1.07), the tire has the main performance of special snow tire running on ice and snow road surface, and meanwhile, the tire has the use safety of normal road conditions, has the characteristics of multiple functions of the tire and four seasons, and can meet the requirements of all-season road condition running.
Claims (10)
1. Tire decorative pattern structure, its characterized in that: 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 left tire shoulder to the right side of the tread and a second main groove extending from the right tire shoulder to the left side of the tread; 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 V-shaped pattern block groups which are continuously distributed along the circumferential direction of the tire; the V-shaped pattern block group comprises two diamond pattern blocks, a left inclined pattern block and a right inclined pattern block; the two diamond-shaped pattern blocks are positioned in the middle of the tread and are staggered relative to the center line of the tread, wherein the first diamond-shaped pattern block is positioned near the left side, and the second diamond-shaped pattern block is positioned near the right side; the left side oblique pattern block is positioned between two adjacent first main grooves and positioned at the left side of the first diamond 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 diamond 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 grooves are formed in the left inclined pattern blocks and the first diamond pattern blocks, extend obliquely from the left tire shoulder to the middle of the first diamond pattern blocks, and divide the left inclined pattern blocks into a first left inclined pattern block and a second left inclined pattern block which are respectively positioned on the upper side and the lower side of the first auxiliary grooves; the second auxiliary groove is arranged on the right side inclined pattern block and the second diamond pattern block, extends obliquely from the right side shoulder to the middle of the second diamond pattern block, and divides the right side inclined pattern block into a first right side inclined pattern block and a second right side inclined pattern block which are respectively positioned on the upper side and the lower side of the second auxiliary groove.
2. The tire tread configuration of claim 1 wherein: the depth ratio of the main groove to the auxiliary groove is 1.6-1.95:1.
3. The tire tread configuration of claim 1 or 2, wherein: the main groove and the auxiliary groove are arc-shaped formed by splicing three arc lines, and the radian ratio of the three arc lines is 1:1.08-1.34:1.15-1.67.
4. The tire tread configuration of claim 1 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 tri-fold linear flower ribs, and two ends of each flower rib are respectively communicated with the main groove and the auxiliary groove.
5. The tire tread configuration of 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 respectively provided with a sipe group 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; the two ends of the first cutter groove are respectively communicated with the main groove and the auxiliary groove, the first cutter groove is a broken line-shaped cutter groove with an obtuse angle, and the obtuse angle points to the inner side of the tire shoulder; the second sipe is a linear sipe, the second sipe is obliquely arranged from top to bottom from the outer side to the inner side of the tire shoulder, the upper end of the second sipe on the first left-side inclined pattern block is communicated with the first main groove, the upper end of the second sipe on the second left-side inclined pattern block is communicated with the first auxiliary groove, the upper end of the second sipe on the first right-side inclined pattern block is communicated with the second main groove, and the upper end of the second sipe on the second right-side inclined pattern block is communicated with the second auxiliary groove.
6. The tire tread configuration of 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 spline and the first cutter groove, and the second steel sheet group is positioned between the spline and the diamond pattern block; the first steel sheet group comprises a plurality of first steel sheets arranged close to the spline and a second steel sheet arranged close to the first knife groove; the plurality of first steel sheets are arranged in parallel, the first steel sheets are obliquely arranged from the outer side of the tread to the middle part of the tread from the lower end to the upper end, and the two ends of the first steel sheets are respectively communicated with the main groove and the auxiliary groove; one end of a second steel sheet positioned on the first left 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 second left inclined pattern block 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 first right inclined pattern block 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 second right side inclined pattern block 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 spline and fourth steel sheets 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 part 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 the fourth steel sheet positioned on the first left oblique pattern block is communicated with the first auxiliary groove, the lower end of the fourth steel sheet positioned on the second left oblique pattern block is communicated with the first main groove, the lower end of the fourth steel sheet positioned on the first right oblique pattern block is communicated with the second auxiliary groove, and the lower end of the fourth steel sheet positioned on the second right oblique pattern block is communicated with the second main groove.
7. The tire tread configuration of claim 6 wherein: and a plurality of fifth steel sheets extending along the transverse direction are arranged on the first diamond pattern blocks and the second diamond pattern blocks.
8. The tire tread configuration of claim 6 wherein: longitudinal furrows are respectively connected between the second steel sheet and the first steel sheet adjacent to the second steel sheet and between the two adjacent first steel sheets.
9. The tire tread configuration of 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 irregularly arranging four pitch units with unequal 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. Four seasons child, its characterized in that: the four season mold having the tire tread structure of any one of claims 1-9.
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CN209851986U (en) * | 2019-05-24 | 2019-12-27 | 青岛双星轮胎工业有限公司 | Tire pattern structure and four-season tire comprising same |
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EP1637355B1 (en) * | 2004-09-17 | 2007-05-30 | Bridgestone Corporation | Pneumatic tire |
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JP2016107883A (en) * | 2014-12-08 | 2016-06-20 | 住友ゴム工業株式会社 | Pneumatic tire |
CN107972415A (en) * | 2017-12-27 | 2018-05-01 | 四川远星橡胶有限责任公司 | Snow tyre tread pattern structure |
CN208515304U (en) * | 2018-06-29 | 2019-02-19 | 大陆马牌轮胎(中国)有限公司 | A kind of wear-resistant tyre |
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