CN210970558U

CN210970558U - Bionic tire pattern structure

Info

Publication number: CN210970558U
Application number: CN201921945405.7U
Authority: CN
Inventors: 刘从臻; 李永强; 孙运芬; 李亚龙; 苑阳; 徐成伟; 谢孟雨
Original assignee: Shandong University of Technology
Current assignee: Shandong University of Technology
Priority date: 2019-11-12
Filing date: 2019-11-12
Publication date: 2020-07-10
Anticipated expiration: 2029-11-12

Abstract

The utility model discloses a bionic tire pattern structure, which comprises pattern block units, a central longitudinal groove, a central side wall groove, a tire shoulder pattern block and a tire shoulder pattern groove; the pattern block units are arranged and distributed in a centrosymmetric and equidistant mode, and are designed based on a cat-paw palm pad structure; the pattern block unit comprises a main pattern block, a fold-line-shaped pattern groove and auxiliary pattern blocks, and the auxiliary pattern blocks are symmetrically distributed relative to the main pattern block; the central side wall grooves are arranged and distributed at equal intervals in the circumferential direction; the tire shoulder pattern blocks and the tire shoulder pattern grooves are distributed in a centrosymmetric manner; the utility model discloses the area of earthing of multiplicable tire when driving makes tire ground pressure distribution homogeneity improve, improves tire and grabs ground performance and wear resistance.

Description

Bionic tire pattern structure

Technical Field

The utility model relates to an automobile tire technical field, in particular to bionical tire decorative pattern structure.

Background

The tire is used as the only contact part of the vehicle and the road surface, all acting force of the vehicle and the road surface is transmitted, and whether the design of the tire is reasonable directly influences the driving safety, the use economy, the braking performance, the riding comfort and the like of the automobile. The grip performance of the tire is mainly expressed by the adhesion and stress distribution between the tire tread and the road surface, the improvement of the grip performance is a key problem for developing the tire, and the safety performance of the vehicle is greatly improved, particularly when the vehicle runs on a rainy day or a road surface with accumulated snow. In addition, abnormal wear of the tire is one of the main causes of the tire replacement in advance, and equalizing the tread pressure distribution has an important role in reducing the abnormal wear. The tire driving grip and the tire ground contact pressure distribution uniformity are improved, and the consumption of rubber resources is reduced. The method is beneficial to realizing the aims of energy conservation and emission reduction in the industrial field and conforms to the development requirement of the global low-carbon economy era. Therefore, the design of the tire pattern which can effectively improve the grip and the wear resistance of the tire has important significance.

In the history of biological evolution over the billions of millions, environmental adaptation has allowed the survival of the corresponding species. The further research on the biological optimization exercise function can provide reference for the human beings to further manufacture mechanical or structural products with higher efficiency and more excellent performance through bionic design. Biologists have found in their long term that cats have a particularly pronounced ability to conform to the terrain of the outside world and maintain good motor performance during running, turning, or climbing movements due to the unique geometry of the cat's claws. The sole of the cat's paw plays an important role in its unique geometry. The cat plays important supporting role when standing and moving, and due to the unique geometric shape of the palm pad, the grounding area can be rapidly increased when the cat claw lands on the ground, so that stable contact is formed, and the pressure distribution is higher. The tire pattern is the main part of atress between tire and the road surface, therefore, carries out bionic design to tire tread pattern according to the geometric configuration structure of cat claw palm pad, can improve the driving grip of tire, improves ground pressure distribution uniformity, reduces the wearing and tearing of tire rubber.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bionical tire decorative pattern structure improves the ground pressure of grabbing of vehicle tire when going, improves the ground pressure distribution homogeneity, reduces tire wear, improves tire ground connection performance.

The utility model discloses a realize above-mentioned technical purpose through following technological means.

A bionic tire pattern structure comprises pattern block units, a central longitudinal groove, a central side wall groove, a tire shoulder pattern block and a tire shoulder pattern groove; the pattern block units are arranged and distributed in a centrosymmetric and equidistant mode, and are designed based on a cat-paw palm pad structure; the pattern block unit comprises a main pattern block, a fold-line-shaped pattern groove and auxiliary pattern blocks, and the auxiliary pattern blocks are symmetrically distributed relative to the main pattern block; the central side wall grooves are arranged and distributed at equal intervals in the circumferential direction; the tire shoulder pattern blocks and the tire shoulder pattern grooves are distributed in a centrosymmetric mode.

Further, the pattern block unit is a pattern block unit with a geometric structure imitating a cat-paw palm pad.

Furthermore, the pattern block units are 8-12 mm in height and are arranged in an annular array with the axle center of the tire as the center of a circle in 52.

Further, the block units are circumferentially spaced apart by 4.5 mm.

Furthermore, the width of the zigzag pattern groove is 2-3 mm, and the depth is 8-12 mm.

Furthermore, the zigzag-shaped riffled groove comprises three line segments of ab, bc and cd, wherein the direction of the bc segment is consistent with that of the central longitudinal groove, and the ab segment is parallel to the cd segment and forms an included angle of 19 degrees with the bc segment.

Furthermore, the width of the central longitudinal groove is 7-9 mm, and the depth is 8-9 mm.

Furthermore, the width of the groove on the central side wall is 2-3 mm, and the depth is 7-8 mm.

Furthermore, the tire shoulder pattern grooves are arranged and distributed in a centrosymmetric and equidistant mode, the width of the tire shoulder pattern grooves is 3-4 mm, and the depth of the tire shoulder pattern grooves is 6-8 mm.

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

(1) the utility model carries out the bionic design on the tire pattern, and the geometric shape of the tread pattern block unit is similar to that of the cat's claw palm pad; compared with the common tire, under the standard load and the standard air pressure, the ground pressure value at the tire shoulder is reduced; as the load increases, the contact patch increases relative to a conventional tire; under the working conditions of braking and driving, the grounding area is also increased, the distribution uniformity of the grounding pressure is improved, and the wear resistance and the ground gripping performance of the tire are improved.

(2) The tread pattern is designed with pattern grooves with various angles and depths, so that the drainage performance of the running wet land can be improved on the premise of ensuring the effective grounding area of the tire; the pattern block units are arranged and distributed in a centrosymmetric and equidistant manner, so that good gripping performance of the vehicle under the advancing working condition can be ensured.

Drawings

FIG. 1 is a schematic view of a cat's paw palm pad;

FIG. 2 is a schematic view of a tire tread plan configuration;

FIG. 3 is a schematic view of a block unit;

fig. 4 is a partial perspective view of the tire.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and specific embodiments, but the scope of the present invention is not limited thereto.

The utility model provides a bionical tire decorative pattern structure. Fig. 1 shows a schematic view of a cat's paw palm pad, whose palm pad geometry is used in a bionic tire pattern.

Fig. 2 is a schematic plan view of a tire tread, which includes a block unit 1, a central longitudinal groove 2, a central sidewall groove 3, a shoulder block 4 and a shoulder groove 5.

As shown in fig. 3, which is a schematic view of a block unit, the block unit 1 is designed to imitate the geometric structure of a cat's palm pad.

As shown in FIG. 3, the height of the pattern block unit 1 is 8.7mm, 52 pattern blocks are annularly arrayed by taking the axle center of the tire as the center of a circle, the size of the ground contact area of the tire can be ensured to be unchanged at any moment, and the grip of the tire is improved when a vehicle runs.

As shown in figure 2, the circumferential spacing distance of the pattern block units 1 is 4.5mm, the pattern block units 1 are large pattern blocks, the rigidity is high, the grounding stability of the central part of the tread is guaranteed when the tire runs, and the tire has good holding power performance.

As shown in fig. 3, the zigzag sipe 12 has a width of 2mm and a depth of 8.7mm, the zigzag sipe 12 includes three line segments ab, bc and cd, the bc segment has a direction consistent with the central longitudinal groove 2, the ab segment is parallel to the cd segment and has an angle of 19 ° with the bc segment; the design of zigzag-shaped pattern grooves can prevent the pattern blocks from stress concentration, early falling off and other phenomena on the premise of ensuring the rigidity of the pattern blocks, and reduce the abrasion of the tire.

As shown in fig. 2, the width of the central longitudinal groove 2 is 8mm, the depth thereof is 7.7mm, and the central longitudinal groove can ensure good drainage performance and driving safety when the wetland road surface is driven.

As shown in figure 2, the width of the central side wall groove 3 is 2.5mm, the depth is 7.3mm, the grooving direction of the central side wall groove 3 is consistent with the arc direction of the auxiliary pattern block 13 in the pattern block unit 1, and the central side wall groove 3 and the central longitudinal groove 2 are in a communicated design, so that water flow on a wet and slippery road can be rapidly discharged, the good grounding performance of a tire is guaranteed, and the ground grabbing force is improved.

As shown in figure 2, the tire shoulder pattern grooves 5 are arranged and distributed in a centrosymmetric and equidistant mode, the width is 3.6mm, the depth is 7mm, and the design of the tire shoulder pattern grooves mainly improves the drainage and mud discharge performance of patterns.

The examples are embodiments of the present invention, but the scope of protection of the present invention is not limited to the above embodiments, and any obvious improvements, replacements or modifications that can be made by those skilled in the art without departing from the essence of the present invention belong to the scope of protection of the present invention.

Claims

1. The utility model provides a bionical tire decorative pattern structure which characterized in that: the tire tread pattern block comprises pattern block units (1), a central longitudinal groove (2), a central side wall groove (3), a tire shoulder pattern block (4) and a tire shoulder pattern groove (5); the pattern block units (1) are arranged in a centrosymmetric and equidistant manner, each pattern block unit (1) comprises a main pattern block (11), a zigzag pattern groove (12) and auxiliary pattern blocks (13), and the auxiliary pattern blocks (13) are symmetrically distributed relative to the main pattern block (11); the central side wall grooves (3) are arranged and distributed at equal intervals in the circumferential direction; the tire shoulder pattern blocks (4) and the tire shoulder pattern grooves (5) are distributed in a centrosymmetric mode.

2. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the pattern block unit (1) is designed by imitating a cat-paw palm pad geometric structure.

3. A biomimetic tire pattern structure as recited in claim 2, wherein: the pattern block unit (1) is 8-12 mm in height and is in an annular array with the axis of the tire as the center of a circle, and 52.

4. A biomimetic tire pattern structure as recited in claim 3, wherein: the pattern block unit (1) is 4-5 mm in circumferential spacing distance.

5. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the zigzag pattern groove (12) is 2-3 mm in width and 8-12 mm in depth.

6. A bionic tyre tread pattern structure as claimed in claim 5, wherein: the zigzag pattern groove (12) comprises three line segments of ab, bc and cd, the direction of the bc segment is consistent with that of the central longitudinal groove (2), and the ab segment is parallel to the cd segment and forms an included angle of 19 degrees with the bc segment.

7. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the width of the central longitudinal groove (2) is 7-9 mm, and the depth is 8-9 mm.

8. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the width of the central side wall groove (3) is 2-3 mm, and the depth is 7-8 mm.

9. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the tire shoulder pattern grooves (5) are distributed in a centrosymmetric and equidistant mode, the width of the tire shoulder pattern grooves is 3-4 mm, and the depth of the tire shoulder pattern grooves is 6-8 mm.

10. A bionic tyre tread pattern structure as claimed in claim 1, wherein: the adjacent tire shoulder pattern blocks (4) in the circumferential direction are spaced by tire shoulder pattern grooves (5).