CN217048149U - Gradient driving tire pattern and all-steel radial tire with same - Google Patents

Abstract

The utility model relates to a gradual change drive tire tread and have its all steel radial tire, including central tread groove, crown tread groove and shoulder tread groove, set up central pattern block between central tread groove and the crown tread groove, set up crown pattern block between crown tread groove and the shoulder tread groove, shoulder pattern block sets up the shoulder pattern block outside the shoulder tread groove; the width ratio of the central pattern blocks to the crown pattern blocks to the shoulder pattern blocks is 1:1.25:1.4, the width ratio of the central pattern grooves to the crown pattern grooves to the shoulder pattern grooves is 1:1.25:10, and the depth ratio of the central pattern grooves to the crown pattern grooves to the shoulder pattern grooves is 1: 1.5. The utility model discloses a gradual change decorative pattern improves the land and sea of tire than reaching the purpose that reduces wearing and tearing, through the proportion design of decorative pattern piece and tread groove, effectually promote whole wear-resisting, anti eccentric wear and the heat dispersion of tire when not losing drive power, has satisfied the driver to the longer life's of tire requirement.

Description

Gradient driving tire pattern and all-steel radial tire with same

Technical Field

The utility model belongs to the technical field of automobile tire, a gradual change drive tire decorative pattern and have its all steel radial tire is related to.

Background

With the development of the automobile industry and the continuous improvement of the vehicle using concept of people, consumers also put forward higher and higher requirements on tires. At present, for all-steel radial tires, high-end driving products are in greater and greater demand under the trend of rapid development of the logistics industry, and the use conditions are gradually changed. In the case where the main driving condition is a medium-long distance high speed, the driver has made a higher demand for the endurance mileage of the tire. At present, for the tire under the service condition, the problem that the service life is influenced the most is that the driving force is ensured by more patterns and wider and deeper grooves, so that the abrasion of the tire is accelerated, and the eccentric wear phenomenon is easy to generate at the edge part. Moreover, the long-distance all-steel tire has a high speed per hour, the heat generated by the tire cannot be dissipated timely, the excessive depth of the groove can cause high heat generation, and further causes the problems of shoulder clearance, too high rolling resistance and the like, and the problems all affect the durability and the service life of the tire.

The prior art improves the driving performance and the abrasion performance by improving the proportion of the pattern, the depth of the groove and the shoulder opening mode of a wider groove, but the mode also has the defects that the pattern depth is deepened, so that the heat radiation performance of the tire cannot be achieved due to the deeper pattern, the durability is reduced, and the proportion of the pattern is improved, so that the land-sea ratio is reduced, and the tire is less abrasion-resistant.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned problem that exists among the prior art is solved to aim at providing a gradual change drive tire decorative pattern and have its all steel radial tire, not only can improve the sea-land ratio of tire through the gradual change decorative pattern and reach the purpose that reduces the wearing and tearing, simultaneously through special proportion design, effectual whole wear resistance, the anti eccentric wear performance and the heat dispersion that promote the tire when not losing drive power have satisfied the driver to the longer life's of tire requirement.

The technical scheme of the utility model is that:

a gradual change driving tire pattern comprises a central pattern groove, and a crown pattern groove and a shoulder pattern groove which are symmetrically arranged on two sides of the central pattern groove, wherein a central pattern block is arranged between the central pattern groove and the crown pattern groove, a crown pattern block is arranged between the crown pattern groove and the shoulder pattern groove, and a shoulder pattern block is arranged on the outer side of the shoulder pattern groove; the width ratio of the central pattern blocks to the crown pattern blocks to the shoulder pattern blocks is 1:1.25:1.4, the width ratio of the central pattern grooves to the crown pattern grooves to the shoulder pattern grooves is 1:1.25:10, the depth ratio of the central pattern grooves to the crown pattern grooves is 1:1.5, and the depth ratio of the central pattern grooves to the shoulder pattern grooves is 1: 1.5.

Furthermore, Z-shaped transverse grooves and Z-shaped fine grooves are formed in the central pattern blocks in pairs, the Z-shaped transverse grooves and the Z-shaped fine grooves on the central pattern blocks on two sides of the central pattern groove are arranged in a staggered mode, and the Z-shaped transverse grooves are narrow in the middle and wide in two ends.

Furthermore, steel sheets are arranged in the Z-shaped transverse grooves, an angle of 50-70 degrees is formed between each steel sheet and the central pattern groove, the steel sheets are designed in a three-section mode, and the head steel sheet and the tail steel sheet are both in a sawtooth shape.

Furthermore, a first fine groove is arranged in the middle of the central pattern groove in the circumferential direction, a second fine groove is arranged in the middle of the crown pattern groove in the circumferential direction, and the first fine groove is connected with the shoulder pattern groove through a Z-shaped transverse groove, the second fine groove and a Z-shaped fine groove.

Furthermore, the shoulder pattern groove is circumferentially provided with a wavy fine groove.

Furthermore, a plurality of transverse thin grooves which are uniformly distributed are arranged on the shoulder pattern blocks, shoulder grooves are arranged between the transverse thin grooves, and the shoulder grooves are connected with the shoulder pattern grooves.

Furthermore, the Z-shaped transverse groove is designed with gradually changed depth, the upper part of the cross section of the middle narrow groove is a wide arc-shaped groove, and the lower part of the cross section of the middle narrow groove is a narrow cylinder; the upper part of the cross section of the wide groove at two ends is a wide square groove, and the lower part is a narrow wave-shaped deep groove.

Furthermore, the cross section of the shoulder groove is a V-shaped groove with a smooth bottom end.

The utility model also provides an all steel radial tire who has above-mentioned arbitrary gradual change drive tire pattern.

The utility model has the advantages that:

the utility model provides a gradual change drive tire tread and have its all steel radial tire, through the cooperation of 3D cockscomb structure steel sheet and steel sheet angle, and the gradual change design of steel sheet and tread groove degree of depth, guaranteed the wholeness of decorative pattern piece; the land-sea ratio of the tire is improved through the gradual pattern, so that the purpose of reducing abrasion is achieved; through the proportional design of the pattern grooves and the pattern blocks, the wet-skid resistance and the heat dissipation capacity of the tire are improved, the sea-land ratio is not reduced, the overall wear resistance, the eccentric wear resistance and the heat dissipation performance of the tire are effectively improved while the driving force is not lost, and the service life of the tire is prolonged; ensures that the all-steel radial tire with the patterns has long mileage, high sea-land ratio and low rolling resistance.

Drawings

FIG. 1 is a schematic view of the tire pattern of the present invention;

FIG. 2 is a schematic view of a partial structure of a shoulder pattern block provided by the present invention;

FIG. 3 is a schematic view of a partial structure of a central pattern block or a crown pattern block provided by the present invention;

FIG. 4 is a cross-sectional view taken along the line A-A, line B-B, line C-C in FIG. 1;

in the above figures, 1, the central groove; 2. a crown groove; 3. a shoulder pattern groove; 4. a central pattern block; 5. a crown pattern block; 6. shoulder pattern blocks; 7. a Z-shaped transverse groove; 8. a Z-shaped sipe; 9. a steel sheet; 10. a first sipe; 11. a second sipe; 12. a wavy fine groove; 13. a transverse thin groove; 14. a shoulder groove.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "both sides", "middle", etc. indicate the positional relationship based on the drawings, and are only for convenience of describing the present invention and simplifying the 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.

As shown in fig. 1, the utility model relates to a gradual change drive tire pattern, this tire pattern includes five circumference main grooves, namely central groove 1 and the crown groove 2 and the shoulder groove 3 that bilateral symmetry set up thereof, five circumference main grooves divide into six parts with whole tread, by both sides to the centre in order respectively shoulder decorative pattern piece 6, shoulder groove 3, crown decorative pattern piece 5, crown groove 2, central decorative pattern piece 4, central groove 1; wherein, set up central decorative pattern piece 4 between central tread groove 1 and the crown tread groove 2, set up crown decorative pattern piece 5 between crown tread groove 2 and the shoulder tread groove 3, shoulder tread groove 3 outside sets up shoulder decorative pattern piece 6.

The width ratio of the central pattern block 4 to the crown pattern block 5 to the shoulder pattern block 6 is 1:1.25:1.4, the width ratio of the central pattern groove 1 to the crown pattern groove 2 to the shoulder pattern groove 3 is 1:1.25:10, and the depth ratio of the central pattern groove 1 to other pattern grooves (including the crown pattern groove 2 and the shoulder pattern groove 3) is 1: 1.5.

Among the above-mentioned gradual change drive tire pattern, can see by width ratio and degree of depth proportion that central groove 1 is narrow and the degree of depth is shallow, and this design is the integrality of connecting between the central decorative pattern piece 4 in order to guarantee its both sides to central groove 1's middle part circumference is provided with first narrow ditch 10, and this a shallow narrower first narrow ditch 10 of this strip of increase can improve drainage, increases wet and slippery performance and compromise the radiating effect.

Similarly, the middle part of the crown tread groove 2 is circumferentially provided with a second fine groove 11, the shoulder tread groove 3 is circumferentially provided with a wave-shaped fine groove 12, and the arrangement of the second fine groove 11 and the wave-shaped fine groove 12 can also improve the drainage, increase the wet and slippery performance and take the heat dissipation effect into consideration. Be equipped with a plurality of evenly distributed's horizontal microgroove 13 on the shoulder decorative pattern piece 6, set up shoulder slot 14 between the horizontal microgroove 13, shoulder slot 14 adopts the design of half-open shoulder, links to each other with shoulder tread groove 3, as shown in fig. 2, has so not only increased drive performance to also can increase heat dissipation and drainage performance, the heat can be gone out through being connected of slot, has guaranteed heat dispersion, has also guaranteed good sea-land ratio, has guaranteed wearing and tearing.

In the present embodiment, the central pattern block 4 is provided with Z-shaped lateral grooves 7 and Z-shaped thin sipes 8 in pairs, the Z-shaped lateral grooves 7 and the Z-shaped thin sipes 8 on the central pattern block 4 on both sides of the central pattern groove 1 are arranged in a staggered manner, and the Z-shaped lateral grooves 7 are narrow in the middle and wide at both ends. Further, a steel sheet 9 is arranged in the Z-shaped transverse groove 7, the steel sheet 9 and the central pattern groove 1 form an angle of 50-70 degrees, the steel sheet 9 is designed in a three-section mode, and the head section steel sheet 9 and the tail section steel sheet 9 are both in a sawtooth shape. As shown in FIG. 3, the steel sheet 9 and the central pattern groove 1 are designed at 50-70 degrees, and the 3D steel sheet 9 adopts a zigzag design and is meshed with each other, so that the integrity of the pattern block can be ensured, and the heat dissipation performance and the driving performance are considered while the abrasion performance is not lost.

Because the Z-shaped transverse grooves 7 and the Z-shaped thin grooves 8 on the central pattern blocks 4 on two sides of the central pattern groove 1 are arranged in a staggered mode, the first thin grooves 10 are sequentially connected with the Z-shaped transverse grooves 7, the second thin grooves 11 and the Z-shaped thin grooves 8 and then connected with the shoulder pattern grooves 3, or the first thin grooves 10 are sequentially connected with the shoulder pattern grooves 3 through the Z-shaped thin grooves 8, the second thin grooves 11 and the Z-shaped transverse grooves 7.

As shown in fig. 4, the Z-shaped lateral groove 7 adopts a depth gradual change design, wherein the cross-sectional shape of the middle narrow groove is a wide circular arc-shaped groove at the upper part and a narrow cylinder at the lower part, and the cross section of the groove is shown as a-a in fig. 4; the upper part of the cross section of the wide groove at two ends is a wide square groove, the lower part is a narrow wavy deep groove, and the section of the deep groove is shown as B-B in figure 4; the cross-sectional shape of the shoulder groove 14 is a V-shaped groove with a rounded bottom end, and the lateral width is narrowed from top to bottom, and the cross-section is shown as C-C in fig. 4. With the use of the tire, after the tire is worn to a certain degree, the shape of the patterns can be changed, the cutter grooves with shallow depth can disappear, the sea-land ratio can be improved, and the wear resistance can be better and better.

The proportion design of the pattern blocks is designed according to the proportion of the pattern grooves and the density of the steel sheets, and the pattern blocks are designed for ensuring the uniform transmission of force and ensuring the stability of straight running and uniform abrasion.

The all-steel radial tire in the embodiment comprises a tire pattern, and the tire pattern is the gradient driving tire pattern.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or modification made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (9)

1. A gradual change driving tire pattern is characterized by comprising a central pattern groove, and a crown pattern groove and a shoulder pattern groove which are symmetrically arranged on two sides of the central pattern groove, wherein a central pattern block is arranged between the central pattern groove and the crown pattern groove, a crown pattern block is arranged between the crown pattern groove and the shoulder pattern groove, and a shoulder pattern block is arranged on the outer side of the shoulder pattern groove; the width ratio of the central pattern blocks to the crown pattern blocks to the shoulder pattern blocks is 1:1.25:1.4, the width ratio of the central pattern grooves to the crown pattern grooves to the shoulder pattern grooves is 1:1.25:10, the depth ratio of the central pattern grooves to the crown pattern grooves is 1:1.5, and the depth ratio of the central pattern grooves to the shoulder pattern grooves is 1: 1.5.

2. A gradient drive tire tread as in claim 1, wherein said center blocks are provided with Z-shaped lateral grooves and Z-shaped sipes in pairs, the Z-shaped lateral grooves and the Z-shaped sipes on the center blocks on both sides of the center groove are staggered, and the Z-shaped lateral grooves are narrow in the middle and wide at both ends.

3. The progressive drive sipe of claim 2, wherein there are steel plates disposed in the Z-shaped transverse grooves, the steel plates are at an angle of 50-70 ° to the central groove, the steel plates are of a three-segment design, and the first and last segments are both saw-toothed.

4. A progressive drive tread as defined in claim 2 wherein said central groove is circumferentially provided with a first sipe in the middle and said crown groove is circumferentially provided with a second sipe, said first sipe being connected to said shoulder groove by a Z transverse groove, a second sipe, and a Z sipe.

5. A progressive drive tire pattern as in claim 1 wherein said shoulder grooves are circumferentially provided with undulating sipes.

6. A progressive drive sipe as in claim 1 wherein the shoulder blocks have a plurality of evenly distributed lateral sipes and shoulder sipes are disposed between the sipes and the shoulder sipes are contiguous with the shoulder grooves.

7. A progressive drive sipe as claimed in claim 2, where the Z-shaped transverse grooves are of a progressive depth design, with the cross-section of the intermediate narrow groove being in the form of a wide circular arc-shaped groove at the top and a narrow cylinder at the bottom; the upper part of the cross section of the wide groove at two ends is a wide square groove, and the lower part is a narrow wave-shaped deep groove.

8. A progressive drive tire pattern as in claim 6 wherein said shoulder grooves have a cross-sectional shape of a V-groove with rounded bottom ends.

9. An all-steel radial tire characterized in that it has a progressive drive tread pattern according to any one of claims 1 to 8.

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