CN217622995U - Tire pattern and heavy load tire - Google Patents

Abstract

The utility model discloses a tire pattern, which comprises a tread, a first pattern block, a second pattern block, a shoulder groove and a platform groove; the first pattern block and the second pattern block are arranged on two sides of the central shaft of the tread in a centrosymmetric manner; the first pattern block and the second pattern block are in a multi-section folding structure; the shoulder grooves are arranged between the adjacent first pattern blocks and between the adjacent second pattern blocks, and a middle first groove and a middle second groove formed between the first pattern blocks and the second pattern blocks are communicated with the shoulder grooves; the platform groove is arranged at the joint of the first pattern block, the second pattern block and the shoulder groove, so that the joint of the first pattern block, the second pattern block and the shoulder groove is of a step structure. Compared with the prior art, the beneficial effects of the utility model are that: the stress transition from the shoulder to the center of the pattern block is more reasonable and uniform through the multi-section folding structure, and the heat dissipation efficiency of the tire crown part is effectively increased while the wear resistance of the tire is ensured by combining with a step type structural design.

Description

Tire pattern and heavy load tire

Technical Field

The utility model belongs to the tire field, concretely relates to tire decorative pattern and heavy load tire.

Background

Tires are an important component of vehicles. In recent years, low rolling resistance, high load capacity and high mileage are the demands of commercial automobile industry owners at present, and high load capacity series tires are researched and developed by famous tire factories aiming at the demands.

Because the heavy-duty tire has large load capacity, the extrusion and abrasion degree of the tire are high, and if the pattern structure design is unreasonable, the problem of eccentric wear of the tire caused by uneven stress can occur, so that the service life of the tire is influenced; meanwhile, the heat generated by the heavy-duty tire in the running process of the vehicle is larger than that generated by the common tire, and if the heat cannot be effectively discharged, the tire shoulder is empty due to the overheating of the tire surface.

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 a tire pattern and heavy load tire solves the inhomogeneous, poor problem of heat dispersion of pattern structure atress among the current heavy load tire, rolls over the atress transition that type structure made the decorative pattern piece from shoulder to center through the multistage formula more rationally, more even to the structural design who combines decorative pattern piece department step effectively increases the radiating efficiency at child hat position when guaranteeing the tire wearability.

The utility model discloses a tire pattern, include

A tread;

the first pattern block and the second pattern block are uniformly distributed on two sides of a central shaft of the tread in a centrosymmetric manner along the circumferential direction of the tread;

the first pattern block and the second pattern block are in a multi-section folding structure;

the shoulder grooves are arranged between the adjacent first pattern blocks and between the adjacent second pattern blocks;

the middle first groove is arranged between the lower end of the adjacent first pattern block and the upper end of the second pattern block;

the middle second groove is arranged between the upper end of the adjacent first pattern block and the lower end of the second pattern block;

the middle first groove, the middle second groove and the shoulder groove are communicated;

and the platform groove is arranged at the joint of the first pattern block and the shoulder groove, and the joint of the first pattern block and the shoulder groove is of a step structure.

In some embodiments, a horizontal segment is provided at the outer end of the tread in the multi-segment folded structure of the first and second lugs.

In some embodiments, the shoulder grooves have a width that gradually changes from wide to narrow from the outer end of the tread to the central axis of the tread.

In some embodiments, the first intermediate groove, the second intermediate groove, and the shoulder groove have a chevron configuration therebetween.

In some embodiments, a middle sipe is disposed on the middle first groove.

In some embodiments, shoulder ribs and stones are provided within the shoulder grooves.

In some embodiments, the width of the mesa groove is 2-4mm; the height of the platform groove is 60% -75% of the depth of the shoulder groove.

In some embodiments, the first block and the second block are each provided with a block-side groove on a shoulder side of the tread side portion.

In some embodiments, the trench depth of the middle first trench is 40% to 50% of the shoulder trench depth; the depth of the middle second groove is 50% -60% of that of the shoulder groove, and the depth of the middle second groove is larger than that of the middle first groove.

The utility model discloses a heavy duty tire, including the tread, be provided with on the tread as above-mentioned arbitrary tire pattern.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. first decorative pattern piece and second decorative pattern piece adopt the multistage formula to roll over the type structure, and the ground power of grabbing of promotion tire that can not only be great also makes the decorative pattern piece more reasonable from the atress transition at shoulder to center through the combination of the different angles of multistage structure simultaneously, and is more even, can avoid the tire to lead to the eccentric wear problem because of the atress inequality in the use.

2. The structural design of the platform groove is increased, so that the platform groove forms a step structure, the design is adopted to ensure the wear resistance of the tire and combine the communication design of the middle first groove, the middle second groove and the shoulder grooves, the heat of the tire tread part can be timely dissipated and discharged in the running process of the tire, and the crown empty of the tire caused by overheating of the tire tread part is reduced.

3. The design of the side groove structure of the pattern block can timely radiate and discharge the heat of the tire shoulder part in the running process of the tire, and the tire shoulder space caused by the heat accumulation of the tire shoulder part is reduced, so that the durability of the tire is improved, and the service life of the tire is prolonged.

4. Further optimize the detailed structure setting, improved the whole rigidity intensity and the power of grabbing ground of tire.

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 view of the present invention;

FIG. 2 is a schematic structural view of a trough of the present invention;

description of the drawings: the tread comprises a first pattern block 1-1, a second pattern block 1-2, a middle first groove 2, a middle second groove 3, a middle thin groove 4, a shoulder groove 5, a shoulder reinforcing rib 6, a stone clamping block 7, a platform groove 8, a pattern block side groove 9, a tire shoulder side surface 10 and a tread 11.

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 for purposes of illustration only 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.

As shown in fig. 1 and 2, a tire pattern includes a tread 11, a first block 1-1, a second block 1-2, shoulder grooves 5, a middle first groove 2, a middle second groove 3, and a groove 8; the first pattern block 1-1 and the second pattern block 1-2 are uniformly distributed with a plurality of patterns along the circumferential direction of the tread 11 and are arranged on two sides of the central shaft of the tread 11, and the first pattern block 1-1 and the second pattern block 1-2 are centrosymmetric; the first pattern block 1-1 and the second pattern block 1-2 are in a multi-section folding structure; the shoulder grooves 5 are arranged between the adjacent first pattern blocks 1-1 and between the adjacent second pattern blocks 1-2; the middle first groove 2 is arranged between the lower end of the adjacent first pattern block 1-1 and the upper end of the second pattern block 1-2; the middle second groove 3 is arranged between the upper end of the adjacent first pattern block 1-1 and the lower end of the second pattern block 1-2; the middle first groove 2, the middle second groove 3 and the shoulder groove 5 are communicated; the platform groove 8 is arranged at the joint of the first pattern block 1-1, the second pattern block 1-2 and the shoulder groove 5, so that the joint of the first pattern block 1-1, the second pattern block 1-2 and the shoulder groove 5 is in a step structure.

The first pattern block and the second pattern block are of a multi-section folding structure, the ground gripping force of a tire can be greatly improved, meanwhile, through combination of different angles in a multi-section structure, stress transition of the pattern blocks from shoulders to the center is more reasonable and more uniform, the problem of eccentric wear caused by uneven stress in the use process of the tire can be avoided, meanwhile, the platform groove 8 is formed in the joint of the first pattern block 1-1 and the second pattern block 1-2 and the shoulder groove 5, the joint is of a step structure (shown in figure 2), through the structural design, the rigidity strength and the wear resistance of the tire can be improved, and meanwhile, through the combination of the communication design of the middle first groove, the middle second groove and the shoulder groove, heat generated by the tire tread in the running process can be effectively discharged in time, and crown empty caused by overheating of the tire tread can be reduced.

In some embodiments, the multi-fold structure of the first block 1-1 and the second block 1-2 has a horizontal segment at the outer end of the tread 11. Through the structural design of horizontal segment and broken line section, promote the wear resistance of tire, make its atress transition more reasonable simultaneously, more even.

In some embodiments, the width of the shoulder groove 5 gradually changes from wide to narrow from the outer end of the tread 11 to the central axis of the tread. The design can ensure the timely heat dissipation of the tire shoulder part and reduce the tire shoulder space caused by the accumulated heat of the tire shoulder part.

In some embodiments, the central primary groove 2, the central secondary groove 3, and the shoulder grooves 5 have a chevron configuration therebetween. The heat dissipation performance of the whole body is improved through the herringbone structure.

In some embodiments, a middle sipe 4 is provided in the middle first groove 2. The middle thin groove 4 also has the function of improving the local heat dissipation performance.

In some embodiments, shoulder reinforcing ribs 6 and stone clamping blocks 7 are arranged in the shoulder grooves 5. The shoulder reinforcing ribs 6 improve the rigidity strength between the pattern blocks, and effectively avoid the occurrence of phenomena such as groove cracking and the like. The increase presss from both sides the stone, can make the tire be difficult for pressing from both sides the stone at the in-process that traveles, prevents effectively that the stone from pricking bad tire, improves the puncture resistance of tire, great promotion tire's life.

As shown in FIG. 2, in some embodiments, the width of the platform groove 8 is 2-4mm; the height of the platform groove 8 is 60-75% of the depth of the shoulder groove 5.

In some embodiments, the first block 1-1 and the second block 1-2 are each provided with a block-side groove 9 on a shoulder side 10 of a tread 11 side portion. By adding the grooves 9 on the side of the pattern blocks, the heat of the tire shoulder part in the running process of the tire is timely dissipated and discharged, and the tire shoulder space caused by the heat accumulation of the tire shoulder part is reduced, so that the durability of the tire is improved, and the service life of the tire is prolonged.

In some embodiments, the trench depth of the middle first trench 2 is 40% -50% of the trench depth of the shoulder trenches 5; the depth of the middle second groove 3 is 50-60% of the depth of the shoulder groove 5, and the depth of the middle second groove 3 is greater than that of the middle first groove 2.

A heavy duty tire comprises a tread 11, wherein the tread 11 is provided with a tire pattern as described in any one of the above.

Claims (10)

1. A tyre tread, characterized in that: comprises that

A tread (11);

the first pattern block (1-1) and the second pattern block (1-2) are uniformly distributed on two sides of a central shaft of the tread (11) in a central symmetry manner along the circumferential direction of the tread (11);

the first pattern block (1-1) and the second pattern block (1-2) are in a multi-section folding structure;

the shoulder grooves (5) are arranged between the adjacent first pattern blocks (1-1) and between the adjacent second pattern blocks (1-2);

the middle first groove (2) is arranged between the lower end of the adjacent first pattern block (1-1) and the upper end of the second pattern block (1-2);

the middle second groove (3) is arranged between the upper end of the adjacent first pattern block (1-1) and the lower end of the second pattern block (1-2);

the middle first groove (2), the middle second groove (3) and the shoulder groove (5) are communicated;

and the platform groove (8) is arranged at the joint of the first pattern block (1-1) and the second pattern block (1-2) and the shoulder groove (5), so that the joint of the first pattern block (1-1) and the second pattern block (1-2) and the shoulder groove (5) is of a step structure.

2. Tyre pattern as claimed in claim 1, wherein: a horizontal section is arranged at the outer end of the tread (11) in the multi-section folding structure of the first pattern block (1-1) and the second pattern block (1-2).

3. Tyre pattern as claimed in claim 1, wherein: the width of the shoulder groove (5) is gradually changed from wide to narrow from the outer end of the tread (11) to the central axis of the tread.

4. Tyre pattern as claimed in claim 1, wherein: the middle part first groove (2), the middle part second groove (3) and the shoulder groove (5) are arranged in a herringbone structure.

5. Tyre tread as claimed in claim 1, characterized in that: the middle first groove (2) is provided with a middle thin groove (4).

6. Tyre tread as claimed in claim 1, characterized in that: shoulder reinforcing ribs (6) and stone clamping blocks (7) are arranged in the shoulder grooves (5).

7. Tyre pattern as claimed in claim 1, wherein: the width of the platform groove (8) is 2-4mm; the height of the platform groove (8) is 60-75% of the depth of the shoulder groove (5).

8. Tyre pattern as claimed in claim 1, wherein: the first pattern block (1-1) and the second pattern block (1-2) are provided with pattern block side grooves (9) on a tire shoulder side surface (10) at the side part of the tire tread (11).

9. Tyre pattern as claimed in claim 1, wherein: the depth of the middle first groove (2) is 40-50% of that of the shoulder groove (5); the depth of the middle second groove (3) is 50-60% of that of the shoulder groove (5), and the depth of the middle second groove (3) is greater than that of the middle first groove (2).

10. A heavy load tire comprising a tread (11), characterized in that: the tread (11) is provided with a tyre pattern as claimed in any one of claims 1 to 9.

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