Tread pattern

Abstract

The utility model relates to the field of tires, in particular to a tread pattern. The tread pattern comprises a tire crown pattern and a tire shoulder pattern, the tire crown pattern comprises two tire crown pattern ring belts, the tire crown pattern ring belts are in central symmetry, and a pattern groove I is formed between the two tire crown pattern ring belts; the pattern grooves I are zigzag pattern grooves; rectangular convex blocks are arranged at the bottoms of the zigzag pattern grooves and are connected through reinforcing ribs; the tire crown pattern ring belt comprises two single tire crown pattern ring belts, and a pattern groove II is formed between the first single tire crown pattern ring belt and the second single tire crown pattern ring belt; the tire shoulder pattern is of a whole-circle integrated structure, and the inner side of the tire shoulder pattern is a continuously protruding obtuse triangle MNR; a pattern groove I is formed between the tire shoulder pattern and the first single tire crown pattern annular belt. By optimizing the design of the tread pattern groove, multi-objective optimization of stone removal, water drainage and reinforcement is realized, and the tire has the characteristics of low rolling resistance and noise reduction.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of tire, concretely relates to a tread pattern. BACKGROUND

[0002] With the popularity of domestic high-horsepower tractor, the wear speed of drive wheel position tire is significantly accelerated, which leads to the significant shortening of tire mileage life. At the same time, due to the increasing economic pressure of freight industry, customers pay more and more attention to the fuel consumption of the whole vehicle, so oil-saving tires are more favored. In response to these challenges, we develop a tire tread pattern for high-horsepower tractor, aiming to meet the needs of customers for high mileage and low rolling resistance oil-saving performance, to solve the technical problems of the current market.

[0003] At present, the technical status of drive wheel position has the following problems: (1) the pattern design generally adopts large and small block structure, which provides strong driving force, but leads to high fuel consumption of the whole vehicle; (2) the pattern surface has many grooves, and the pattern saturation is low, which cannot meet the customer's expectation for tire mileage life. CONTENT OF THE UTILITY MODEL

[0004] In response to the needs of high-horsepower tractor customers, the utility model provides a kind of tread pattern. By optimizing the design of tire pattern groove, the multi-objective optimization of stone removal, drainage and strengthening is realized, while ensuring the core performance of the tire such as wet ground safety and wear life, considering low rolling resistance and noise reduction characteristics, suitable for high-horsepower tractor with high comprehensive performance requirements.

[0005] The utility model adopts the following technical scheme:

[0006] A kind of tread pattern, including crown pattern and shoulder pattern, the crown pattern includes two crown pattern rings, the crown pattern ring is center-symmetrical, and pattern groove I is arranged between the two crown pattern rings;The pattern groove I is a zigzag pattern groove;The zigzag pattern groove bottom is provided with a rectangular protrusion, and the rectangular protrusions are connected by reinforcing ribs;

[0007] The crown pattern ring includes two single crown pattern rings, wherein the first single crown pattern ring is spaced by crown pattern block, the interval between the spaced intervals is a groove formed by 2D steel sheet between the crown pattern block without rolling and the crown pattern block with rolling, the second single crown pattern ring is center-symmetrically arranged with the first single crown pattern ring, and pattern groove II is arranged between the first single crown pattern ring and the second single crown pattern ring;The groove of the first single crown pattern ring is arranged in a staggered manner with the groove of the second single crown pattern ring;

[0008] The crown block is composed of a heptagon ABCDEFG, which includes a rectangle DEFG, a parallelogram on one side of the rectangle DEFG, and an obtuse triangle ABC on the other side of the parallelogram ABCDG; and the surface of the rectangle DEFG is provided with a knurling;

[0009] The first single crown pattern ring is provided with crown blocks without knurling and crown blocks with knurling.

[0010] The shoulder pattern is in an integral structure and has a continuous and protruding obtuse triangle MNR on the inner side, which corresponds to the obtuse triangle ABC in the first single crown pattern ring; and a pattern groove I is arranged between the shoulder pattern and the first single crown pattern ring.

[0011] The width of the zigzag pattern groove is 16-17 mm, and the depth of the zigzag pattern groove is 20-22 mm.

[0012] The pattern groove II is a straight-line pattern groove, and the bottom of the straight-line pattern groove is a smooth bottom structure.

[0013] The width of the straight-line pattern groove is 2-3 mm, and the depth of the straight-line pattern groove is 16-17 mm.

[0014] Compared with the prior art, the beneficial technical effects of the utility model are:

[0015] The zigzag pattern groove bottom of the tire tread pattern is provided with a rectangular protruding block and a reinforcing rib, which can significantly enhance the structural strength, disperse the pressure, improve the ground adhesion, drain water, remove stones, reduce noise, and at the same time, the straight-line pattern groove bottom is a smooth structure, has good guidance, efficient water drainage, and can reduce the accumulation of foreign matters; through the alternating design of the zigzag pattern groove and the straight-line pattern groove, the multiple target optimization of stone removal, water drainage and strengthening is realized, and a more economical and reliable tire solution is provided for customers. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a surface structure schematic view of the crown block 301 of the utility model.

[0017] Figure 2 is a surface structure schematic view of the shoulder pattern section 101 containing an obtuse triangle MNR in the overall shoulder pattern 1 of the utility model.

[0018] Figure 3 is a surface structure schematic view of the tire tread pattern of the utility model.

[0019] Figure 4 is a surface structure schematic view of the groove 6 of the utility model.

[0020] Figure 5 is a sectional view of the groove 6 of the utility model.

[0021] Figure 6 is a sectional view of the pattern groove 2 of the utility model.

[0022] Among them, 1 is a shoulder pattern; 2 is a pattern groove I; 3 is a first single crown pattern ring; 4 is a second single crown pattern ring; 5 is a rolling pattern; 6 is a groove; 7 is a rectangular boss; 8 is a reinforcing rib; 9 is a pattern groove II; 101 is a shoulder pattern block; 201 is a zigzag pattern groove; 901 is a straight line pattern groove; 301 is a crown pattern block; L1 is the depth of the groove; W1 is the width of the groove; L2 is the depth of the zigzag pattern groove; W2 is the width of the zigzag pattern groove; L3 is the depth of the straight line pattern groove; W3 is the width of the straight line pattern groove. DETAILED DESCRIPTION

[0023] The utility model will be further described below in combination with the drawings and specific embodiments, but the protection scope of the utility model is not limited to this.

[0024] As Figure 1 shown, a crown pattern block, the crown pattern block 301 is constituted by heptagon ABCDEFG, the heptagon ABCDEFG includes a rectangle DEFG, the rectangle DEFG side is parallelogram ACDG, the parallelogram ACDG other side is obtuse triangle ABC; the surface of the rectangle DEFG is provided with rolling pattern 5; the setting of the crown pattern block 301 increases the contact area of tire and ground, not only improves the grip, but also enhances the driving performance; the rolling pattern can form additional drainage channel when the tire contacts the ground, and breaks the continuity of the tire surface, thereby reducing the overall noise level.

[0025] Among them, the length EF of the rectangle DEFG is 30 mm, can also be 32 mm, can also be any length in 30-32 mm, the width DE is 6 mm, can also be 7 mm, can also be any value in 6-7 mm; the base AC of parallelogram ACDG is 30 mm, can also be 32 mm, can also be any value in 30-32 mm, the height OD is 16 mm, can also be 17 mm, can also be any value in 16-17 mm; the base AC of obtuse triangle ABC is 30 mm, can also be 32 mm, can also be any value in 30-32 mm, the height BP is 3 mm, can be 4 mm, can also be any value in 3-4 mm.

[0026] The thickness of the crown block 301 is 20 mm, can be 22 mm, and can also be any value between 20-22 mm.

[0027] As shown in Figure 2 , a shoulder block, the shoulder block 101 is composed of a pentagon KLMNR, which includes a rectangle KLMR and an obtuse triangle MNR; wherein the length ML of the rectangle KLMR is 38 mm, can also be 40 mm, and can also be any length between 38-40 mm, and the width DE is 30 mm, can also be 32 mm, and can also be any value between 30-32 mm; the base MR of the obtuse triangle MNR is 38 mm, can also be 40 mm, and can also be any length between 38-40 mm, and the height NQ is 1 mm, can also be 5 mm, and can also be any value between 1-5 mm.

[0028] Referring to Figure 3 , a structure diagram of a tire tread pattern formed by the above-mentioned block is provided in the utility model.

[0029] A crown block ring belt includes two single crown block ring belts, wherein the first single crown block ring belt 3 is formed by the interval arrangement of the crown block 301 with rolling patterns and the crown block 301 without rolling patterns, as shown in Figure 4 , 5 , the interval is the groove 6 formed by the 2D steel sheet between the crown block 301 with rolling patterns and the crown block 301 without rolling patterns, and the groove width W1 of the groove 6 is 0.5 mm, can also be 1.2 mm, and can also be any value between 0.5-1.2 mm, and the groove depth L1 is 11 mm, can also be 13 mm, and can also be any value between 11-13 mm.

[0030] The second single crown block ring belt 4 is arranged in a central symmetry with the first single crown block ring belt 3, and the groove II 9 is arranged between the first single crown block ring belt 3 and the second single crown block ring belt 4; the groove 6 arranged on the first single crown block ring belt 3 is arranged in a staggered manner with the groove arranged on the second single crown block ring belt 4; the groove is arranged at a specific position of the crown block ring belt, and the blocks at different positions take turns to bear the main pressure due to the adjustment of the groove, thereby avoiding the rapid wear of the local blocks due to excessive stress; at the same time, the arrangement of the groove provides an effective channel for heat dissipation, thereby improving the heat dissipation performance of the tire; in addition, the staggered arrangement of the groove 6 ensures the overall grip stability of the tire, so that the stress of each part of the tire is more uniform during driving, thereby effectively prolonging the overall service life of the tire.

[0031] A kind of crown pattern, including two crown pattern rings, it is central symmetry between two crown pattern rings, and pattern groove I 2 is arranged between two crown pattern rings;The design of central symmetry of two crown pattern rings makes that each part is more uniform in the process of driving, provides more stable longitudinal grip;At the same time, the setting of pattern groove avoids the phenomenon of tire skidding caused by local water.

[0032] A kind of tread pattern, including crown pattern and shoulder pattern, shoulder pattern 1 is integrated structure in whole circle, and inside is continuous obtuse triangle MNR, the obtuse triangle MNR corresponds to the obtuse triangle ABC in the first single crown pattern ring 3, i.e., the obtuse triangle MNR in each shoulder pattern section 101 is about parallel relationship with the obtuse triangle ABC in the first single crown pattern ring 3 about tire transverse, the size of obtuse triangle MNR and obtuse triangle ABC is close;Pattern groove I 2 is arranged between shoulder pattern and the first single crown pattern ring 3;Shoulder pattern adopts integrated continuous block design, significantly improves the pattern saturation, thereby prolongs the service mileage of tire.

[0033] Crown block 301 and shoulder pattern section 101 are all designed with equal pitch, and pitch number is 52;Equal pitch design makes tire force more uniform when rolling, each part is more balanced, further improves the durability of tire.

[0034] In the utility model embodiment, the saturation of the tread pattern is 78 %, which can improve the product mileage to some extent.

[0035] As shown in Figure 3 、 Figure 6 , pattern groove I 2 is zigzag pattern groove;Rectangular boss 7 is arranged at the bottom of zigzag pattern groove 201, and rectangular boss 7 is connected by reinforcing rib 8;The width W2 of zigzag pattern groove 2 is 16 mm, can also be 17 mm, can also be any value in 16-17 mm, and the depth L2 of zigzag pattern groove is 20 mm, can also be 22 mm, can also be any value in 20-22 mm;Pattern groove II 9 is straight line type pattern groove, and the bottom of straight line type pattern groove 901 is smooth bottom structure;The width W3 of straight line type pattern groove is 2 mm, can also be 3 mm, can also be any value in 2-3 mm, and the depth L3 of straight line type pattern groove is 16 mm, can also be 17 mm, can also be any value in 16-17 mm;Zigzag and straight line type are alternately designed in pattern groove, increase the heat dissipation capacity of tire, effectively reduce rolling resistance, so as to realize the effect of oil saving.

[0036] In summary, the utility model provides a kind of tread pattern, zigzag pattern groove 201 groove bottom sets up rectangle boss 7 with reinforcing rib 8, can significantly enhance structural strength, disperse pressure, promote grip, drain water and remove stone and reduce noise, simultaneously, linear pattern groove 901 groove bottom is smooth bottom structure, good directivity, drain water efficiently, can reduce foreign matter accumulation;Through the alternate design of zigzag pattern groove and linear pattern groove, realize the multi-objective optimization of stone removal, drainage and strengthening, provide more economical and more reliable tire solution for customers.

[0037] The above-mentioned is only the preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, it should be pointed out that, for the person skilled in the art and any person skilled in the art, under the premise that the overall concept of the utility model is not departed from, according to the technical scheme and the utility model concept of the utility model, equivalent replacement or change is made, and several changes and improvements are made, which should also be regarded as the protection scope of the utility model.

Claims

1. A tread pattern, characterized in that, It comprises a crown pattern and a shoulder pattern, the crown pattern comprises two crown pattern rings which are centrally symmetrical, and a groove I is arranged between the two crown pattern rings; the groove I is a zigzag groove; the zigzag groove bottom is provided with a rectangular protrusion, and the rectangular protrusions are connected by reinforcing ribs; The crown pattern ring comprises two single crown pattern rings, wherein the first single crown pattern ring is arranged by crown pattern blocks, the interval between the arranged crown pattern blocks is a groove formed by a 2D steel sheet between a crown pattern block without rolling and a crown pattern block with rolling, the second single crown pattern ring is arranged in central symmetry with the first single crown pattern ring, and a groove II is arranged between the first single crown pattern ring and the second single crown pattern ring; the groove arranged in the first single crown pattern ring is arranged in a staggered manner with the groove arranged in the second single crown pattern ring; The crown pattern block is composed of a heptagon ABCDEFG, the heptagon ABCDEFG comprises a rectangle DEFG, a parallelogram on one side of the rectangle DEFG, and an obtuse triangle ABC on the other side of the parallelogram ABCDG; the surface of the rectangle DEFG is provided with rolling; The first single crown pattern ring is arranged by crown pattern blocks, and the first single crown pattern ring is arranged by crown pattern blocks without rolling and crown pattern blocks with rolling; The shoulder pattern is in a whole integral structure, and the inner side is a continuous protruding obtuse triangle MNR which corresponds to the obtuse triangle ABC in the first single crown pattern ring; the shoulder pattern and the first single crown pattern ring are arranged with the groove I.

2. A tread pattern according to claim 1, wherein The zigzag groove has a width of 16-17 mm and a depth of 20-22 mm.

3. A tread pattern according to claim 1, wherein The groove II is a straight line type groove, and the groove II bottom is a smooth bottom structure.

4. A tread pattern according to claim 3, wherein The straight line type groove has a width of 2-3 mm and a depth of 16-17 mm.

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