CN216805026U

CN216805026U - Tire pattern with good water floating resistance and tire

Info

Publication number: CN216805026U
Application number: CN202220422080.XU
Authority: CN
Inventors: 黄娜; 王君; 魏成龙; 曲宾建; 乔元梅; 王明杰; 刘坤; 尤鑫
Original assignee: Qingdao Doublestar Tire Industry Co Ltd
Current assignee: Qingdao Doublestar Tire Industry Co Ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-06-24
Anticipated expiration: 2032-02-28

Abstract

The utility model provides a tire pattern and a tire with good water-floating resistance, which belong to the technical field of tires and at least comprise pattern blocks continuously distributed along the circumferential direction of the tire surface and a main groove extending along the circumferential direction of the tire surface between adjacent pattern blocks, wherein the pattern blocks comprise first shoulder pattern blocks, first middle pattern blocks, central pattern blocks, second middle pattern blocks and second shoulder pattern blocks, the first middle pattern blocks are alternately provided with middle transverse grooves and middle steel sheets, one end of each middle transverse groove, far away from the corresponding central pattern block, is provided with a cutting angle, and the ratio range L2 of the width L2 and the depth L1 of the cutting angle is as follows: l1 is 1: 1.2-1.5. The utility model solves the technical problem that the existing tire has insufficient water-skid resistance when running on a wet road, and has the characteristics of improving the ground gripping performance and the drainage performance of the tire and reducing noise.

Description

Tire pattern with good water floating resistance and tire

Technical Field

The utility model belongs to the technical field of tires, and particularly relates to a tire pattern with good water-floating resistance and a tire.

Background

An automobile as an important transportation tool inevitably runs on a wet road with water, and a tire as the only contact part of the automobile and the ground has a handling performance closely related to the running safety of the automobile on the wet road, so that it is important to improve the water skid resistance of the tire on the wet road, on one hand, to improve the water skid critical speed of the tire and reduce the braking distance of the wet road, and on the other hand, to consider the requirements of the tire on low rolling resistance, durability, low noise and the like.

At present, the existing tire has insufficient water skid resistance, and therefore, the art needs to provide a tire pattern which has good drainage performance and can ensure other service performances such as noise reduction.

SUMMERY OF THE UTILITY MODEL

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the utility model.

The utility model provides a tire pattern and a tire with good water-floating resistance, solves the technical problem that the existing tire has insufficient water-sliding resistance on a wet road surface, and has the characteristics of improving the grip performance and drainage performance of the tire and reducing noise.

The utility model discloses a tire pattern with good water-floating resistance, which at least comprises pattern blocks continuously distributed along the circumferential direction of a tire tread and main grooves extending along the circumferential direction of the tire tread between adjacent pattern blocks, wherein the pattern blocks comprise first shoulder pattern blocks, first middle pattern blocks, central pattern blocks, second middle pattern blocks and second shoulder pattern blocks;

the main grooves comprise a first longitudinal main groove between the first shoulder pattern block and the first middle pattern block, a second longitudinal main groove between the first middle pattern block and the middle pattern block, a third longitudinal main groove between the middle pattern block and the second middle pattern block, and a fourth longitudinal main groove between the second middle pattern block and the second shoulder pattern block;

wherein, set up middle part horizontal ditch and middle part steel sheet in turn on the first middle part decorative pattern piece, the one end that central pattern piece was kept away from to middle part horizontal ditch is equipped with the corner cut, and the ratio scope L2 of the width L2 and the dark L1 of corner cut: l1 is 1: 1.2-1.5.

In some embodiments, the middle transverse groove gradually increases in groove depth from the end with the cut angle to the end close to the central block, and the deepest part a and the shallowest part b of the groove depth satisfy b ═ 40% -60% a.

In some of these embodiments, the central transverse groove is disposed at an inclination such that the angle θ 1 between one end of the central block and the normal perpendicular to the tire tread is 20 ° to 30 °.

In some embodiments, the first shoulder block is provided with a shoulder transverse groove in an inclined manner, two ends of the shoulder transverse groove are arranged in a closed manner, one end of the shoulder transverse groove is provided with a first shoulder steel sheet in a connecting manner, and the acute angle theta 2 between the first shoulder steel sheet and the vertical normal of the tire tread is 75-85 degrees.

In some embodiments, the first shoulder block is further provided with a third shoulder steel sheet parallel to the shoulder transverse groove and a longitudinal thin groove extending along the circumferential direction of the tread, one end of the third shoulder steel sheet is arranged in a closed mode, the other end of the third shoulder steel sheet is communicated with the longitudinal thin groove, and the longitudinal thin groove is communicated with the shoulder transverse groove in a penetrating mode.

In some embodiments, a second shoulder steel sheet is arranged between the adjacent first shoulder steel sheets, one end of the second shoulder steel sheet is communicated with the first longitudinal main groove, and the other end of the second shoulder steel sheet is closed.

In some of these embodiments, the center blocks have first and second cross grooves and second center steel plates alternately disposed on a side thereof adjacent to the second main longitudinal groove, and the center blocks have second and third cross grooves and third center steel plates alternately disposed on a side thereof adjacent to the third main longitudinal groove.

In some embodiments, one end of the first central transverse groove is communicated with the second longitudinal main groove, the other end of the first central transverse groove is communicated with one end of the second central transverse groove through the first central steel sheet, the other end of the second central transverse groove is communicated with the third longitudinal main groove, one end of the second central steel sheet is communicated with the second longitudinal main groove, the other end of the second central steel sheet is arranged in a closed mode, one end of the third central steel sheet is communicated with the third longitudinal main groove, and the other end of the third central steel sheet is arranged in a closed mode.

The utility model also discloses a tire, which comprises a tire tread contacted with the ground during running, wherein the tire tread is provided with the tire pattern with good water-floating resistance.

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

the utility model improves the ground gripping performance of the tire by arranging a plurality of longitudinal main grooves and pattern transverse grooves; the middle transverse groove is provided with a cutting angle at one end far away from the central pattern block, and the depth of the middle transverse groove is gradually changed from deep to shallow from one end provided with the cutting angle to one end close to the central pattern block; and the middle transverse groove is obliquely arranged, the angle theta 1 between one end close to the central pattern block and the vertical normal of the tire tread is 20-30 degrees, and the drainage performance of the tire is improved while the noise is reduced.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic structural diagram of a tire tread pattern with good water-floating resistance provided by an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a middle cross-channel chamfer A provided in an embodiment of the present invention;

wherein: 1. the tire tread comprises a first shoulder pattern block, 2, a longitudinal thin groove, 3, a first longitudinal main groove, 4, a first middle pattern block, 5, a second longitudinal main groove, 6, a central pattern block, 7, a third longitudinal main groove, 8, a second middle pattern block, 9, a fourth longitudinal main groove, 10, a second shoulder pattern block, 11, a shoulder transverse groove, 12, a third shoulder steel sheet, 13, a first shoulder steel sheet, 14, a second shoulder steel sheet, 15, a middle transverse groove, 16, a middle steel sheet, 17, a second central steel sheet, 18, a first central transverse groove, 19, a first central steel sheet, 20, a second central transverse groove, 21 and a third central steel sheet.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, 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 utility model, from which it is possible for a person skilled in the art, without inventive effort, to apply the utility model also in other similar contexts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may 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 utility model. 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.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The terms "comprises," "comprising," "including," "has," "having," and any variations thereof, as used herein, are intended to cover a non-exclusive inclusion. References to "connected," "coupled," and the like in the present disclosure are not to be limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes the association relationship of the associated object, indicating that there may be three relationships, for example, "a and/or B" may indicate: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The terms "first," "second," "third," and the like in reference to the present invention are used merely to distinguish between similar objects and not necessarily to represent a particular ordering for the objects.

The embodiment of the utility model provides a tire pattern with good water-floating resistance and a tire, which are arranged in a symmetrical pattern structure, and fig. 1 is a schematic structural diagram of the tire pattern with good water-floating resistance according to the embodiment of the utility model. Referring to fig. 1, the tire pattern with good water drift resistance at least comprises pattern blocks continuously distributed along the circumferential direction of the tread and main grooves extending along the circumferential direction of the tread between adjacent pattern blocks, wherein the pattern blocks comprise a first shoulder pattern block 1, a first middle pattern block 4, a central pattern block 6, a second middle pattern block 8 and a second shoulder pattern block 10; the main grooves comprise a first longitudinal main groove 3 between a first shoulder pattern block 1 and a first middle pattern block 4, a second longitudinal main groove 5 between the first middle pattern block 4 and a middle pattern block 6, a third longitudinal main groove 7 between the middle pattern block 6 and a second middle pattern block 8, and a fourth longitudinal main groove 9 between the second middle pattern block 8 and a second shoulder pattern block 10.

Referring to fig. 2, the first middle block 4 is provided with a middle transverse groove 15 and a middle steel sheet 16 alternately, one end of the middle transverse groove 15 far away from the middle block 6 is provided with a cutting angle a, and the ratio range L2 of the width L2 and the depth L1 of the cutting angle a is as follows: l1 is 1: 1.2-1.5. The depth of the middle transverse groove 15 is gradually changed from one end provided with a cutting angle to one end close to the central pattern block 6, the depth of the groove is changed from deep to shallow, and the deepest part a of the groove and the deepest part b of the groove meet the condition that b is equal to (40% -60%) a. Through the structure, the rigidity of the middle pattern block is ensured, and the drainage performance of the middle part is improved.

The middle transverse groove 15 is obliquely arranged, and the angle theta 1 between one end close to the central pattern block 6 and the vertical normal of the tire tread is 20-30 degrees. With the above arrangement, the noise and the drainage performance are both good because the noise of the tire increases when the angle θ 1 is smaller than 20 °, and the drainage performance of the tire decreases when the angle θ 1 is larger than 30 °.

In order to improve the drainage performance of the shoulder pattern blocks, the shoulder transverse groove 11 is obliquely arranged on the first shoulder pattern block 1, two ends of the shoulder transverse groove 11 are arranged in a closed mode, one end of the shoulder transverse groove is connected with the first shoulder steel sheet 13, and the acute angle theta 2 between the first shoulder steel sheet and the vertical normal line of the tire tread is 75-85 degrees.

The first shoulder pattern block 1 is further provided with a third shoulder steel sheet 12 parallel to the shoulder transverse groove 11 and a longitudinal thin groove 2 extending along the circumferential direction of the tread, one end of the third shoulder steel sheet 12 is arranged in a closed mode, the other end of the third shoulder steel sheet is communicated with the longitudinal thin groove 2, and the longitudinal thin groove 2 is communicated with the shoulder transverse groove 11 in a penetrating mode. A second shoulder steel sheet 14 is arranged between the adjacent first shoulder steel sheets 13, one end of the second shoulder steel sheet 14 is communicated with the first longitudinal main ditch 3, and the other end of the second shoulder steel sheet 14 is sealed. Through the structure, the drainage performance of the shoulder of the tire is improved on the premise of ensuring the rigidity of the shoulder pattern blocks.

The side of the central pattern block 6 close to the second longitudinal main ditch 5 is alternately provided with a first central transverse ditch 18 and a second central steel sheet 17, the side of the central pattern block 6 close to the third longitudinal main ditch 7 is alternately provided with a second central transverse ditch 20 and a third central steel sheet 21, wherein one end of the first central transverse ditch 18 is communicated with the second longitudinal main ditch 5, the other end is communicated with one end of the second central transverse ditch 20 through the first central steel sheet 19, and the other end of the second central transverse ditch 20 is communicated with the third longitudinal main ditch 7. One end of the second central steel sheet 17 is communicated with the second longitudinal main groove 5, the other end is arranged in a closed mode, one end of the third central steel sheet 21 is communicated with the third longitudinal main groove 7, and the other end is arranged in a closed mode. Through the semi-through and through combined design, the rigidity of the tire is ensured, and meanwhile, the drainage performance of the tire is improved.

The tire pattern with good water floating resistance, which is obtained by the embodiment of the utility model, is applied to the tire, so that the water-skid resistance of the tire during running on a wet and slippery road surface is improved, the ground gripping performance of the tire is improved, the noise is reduced, and the running safety and comfort of the tire are improved.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims

1. The utility model provides a tire pattern that water-resistant ability is good which characterized in that: at least comprises blocks which are continuously distributed along the circumferential direction of the tread and main grooves which extend along the circumferential direction of the tread between the adjacent blocks,

the pattern blocks comprise first shoulder pattern blocks (1), first middle pattern blocks (4), central pattern blocks (6), second middle pattern blocks (8) and second shoulder pattern blocks (10);

the main grooves comprise a first longitudinal main groove (3) between a first shoulder pattern block (1) and a first middle pattern block (4), a second longitudinal main groove (5) between the first middle pattern block (4) and a central pattern block (6), a third longitudinal main groove (7) between the central pattern block (6) and a second middle pattern block (8), and a fourth longitudinal main groove (9) between the second middle pattern block (8) and a second shoulder pattern block (10);

wherein, set up middle part horizontal ditch (15) and middle part steel sheet (16) on first middle part decorative block (4) in turn, the one end that middle part horizontal ditch (15) is kept away from central pattern block (6) is equipped with the corner cut, and the ratio range L2 of the width L2 and the dark L1 of corner cut: l1 is 1: 1.2-1.5.

2. The pattern for a tire having good resistance to water drift of claim 1, wherein: the middle transverse groove (15) is arranged from one end provided with a cutting angle to one end close to the central pattern block (6), the depth of the groove is gradually changed from deep to shallow, and the deepest part a and the deepest part b of the groove meet the condition that b is equal to (40% -60%) a.

3. The pattern for a tire having good resistance to water drift of claim 1, wherein: the middle transverse groove (15) is obliquely arranged, and the angle theta 1 between one end close to the central pattern block (6) and the vertical normal of the tire tread is 20-30 degrees.

4. The pattern for a tire having good resistance to water drift of claim 1, wherein: the first shoulder pattern block (1) is obliquely provided with a shoulder transverse groove (11), two ends of the shoulder transverse groove (11) are sealed, one end of the shoulder transverse groove is connected with a first shoulder steel sheet (13), and an acute angle theta 2 between the shoulder transverse groove and the vertical normal of the tire tread is 75-85 degrees.

5. The pattern for a tire having good resistance to water drift of claim 4, wherein: the first shoulder pattern block (1) is further provided with a third shoulder steel sheet (12) parallel to the shoulder transverse groove (11) and a longitudinal thin groove (2) extending along the circumferential direction of the tread, one end of the third shoulder steel sheet (12) is arranged in a closed mode, the other end of the third shoulder steel sheet is communicated with the longitudinal thin groove (2), and the longitudinal thin groove (2) is communicated with the shoulder transverse groove (11) in a penetrating mode.

6. The pattern for a tire having good resistance to water drift of claim 4, wherein: a second shoulder steel sheet (14) is arranged between the adjacent first shoulder steel sheets (13), one end of the second shoulder steel sheet (14) is communicated with the first longitudinal main groove (3), and the other end is sealed.

7. The pattern for a tire having good resistance to water drift of claim 1, wherein: the side of the central pattern block (6) close to the second longitudinal main ditch (5) is alternately provided with a first central transverse ditch (18) and a second central steel sheet (17), and the side of the central pattern block (6) close to the third longitudinal main ditch (7) is alternately provided with a second central transverse ditch (20) and a third central steel sheet (21).

8. The pattern for a tire having good resistance to water drift of claim 7, wherein: one end of the first central transverse groove (18) is communicated with the second longitudinal main groove (5), the other end of the first central transverse groove is communicated with one end of the second central transverse groove (20) through the first central steel sheet (19), the other end of the second central transverse groove (20) is communicated with the third longitudinal main groove (7), one end of the second central steel sheet (17) is communicated with the second longitudinal main groove (5), the other end of the second central steel sheet is sealed, one end of the third central steel sheet (21) is communicated with the third longitudinal main groove (7), and the other end of the third central steel sheet is sealed.

9. A tire comprising a tread for contact with the ground during driving, characterized in that: the tread is provided with a tire pattern with good water-floating resistance according to any one of claims 1 to 8.