Tire pattern and SUV tire

Abstract

The utility model provides a tread pattern and an SUV (sports utility vehicle) tire, which belong to the technical field of tires, and comprise a plurality of longitudinal grooves which extend and are distributed along the circumferential direction of a tread and a plurality of pattern ribs which are divided by the longitudinal grooves and extend and are distributed along the circumferential direction, and the pattern ribs comprise a central pattern rib positioned at the central line position of the tread and a central pattern rib positioned at the central line position of the tread. The shoulder pattern ribs are located at the tire shoulder, the middle pattern ribs are located between the central pattern ribs and the shoulder pattern ribs, middle longitudinal steel sheets which extend and are distributed in the circumferential direction are arranged on the middle pattern ribs, the middle longitudinal steel sheets are of a continuous S-shaped structure, and the S-shaped inflection points of the middle longitudinal steel sheets are connected with middle transverse grooves; the other end of the middle transverse groove extends towards the adjacent longitudinal groove; a plurality of middle transverse steel sheets are arranged on the middle pattern ribs at intervals and transversely intersect with the middle longitudinal steel sheets. According to the utility model, the rigidity, the road holding force, the wetland performance and the comfort performance of the tire are improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to tire technical field especially relates to a comfortable tire pattern and SUV tire suitable for domestic market. BACKGROUND

[0002] In recent years, the automobile industry in China develops rapidly, and the SUV model market continues to rise. However, there are few tires on the market that are specifically designed for SUVs, and even fewer tires designed for the domestic market. Most companies use traditional PCR patterns to expand the size to adapt to SUV models. Although SUV models are very similar to traditional car chassis, important indicators such as vehicle center have changed a lot, and the two models are not essentially the same, and the requirements for tire performance are also different. SUV models have higher requirements for tire stiffness, lateral and longitudinal grip, wet performance, and comfort, and existing car tires cannot meet the above requirements of SUV model tires.

[0003] Therefore, in view of the performance requirements and analysis of the existing automobile market, a tire pattern and tire suitable for the domestic market of SUV model need to be developed. SUMMARY

[0004] The details of one or more embodiments of the utility model are presented in the following drawings and description, so that other features, purposes and advantages of the present application are more concise and easy to understand.

[0005] The utility model discloses a kind of tire pattern and SUV tire, solve the technical problem that existing technology uses traditional PCR pattern to expand size to adapt SUV model cannot meet the performance requirements such as stiffness, lateral and longitudinal grip, wet performance, comfort of SUV model to tire, With the characteristics of improving the stiffness, grip, wet performance and comfort of tire, meet the index requirements of vehicle owner to tire performance.

[0006] The utility model discloses a kind of tire pattern, including the multiple longitudinal grooves of extending distribution along the circumferential direction of tread, and the multiple pattern ribs of extending distribution along the circumferential direction by longitudinal groove division, pattern rib includes the central pattern rib in the position of tread center line, shoulder pattern rib in the position of shoulder, and the middle part pattern rib between central pattern rib and shoulder pattern rib, wherein, middle part pattern rib is provided with the middle part longitudinal steel sheet extending distribution along the circumferential direction, middle part longitudinal steel sheet is continuous S shape structure, and middle part longitudinal steel sheet S shape inflection point is connected middle part transverse groove, another end of middle part transverse groove extends to adjacent longitudinal groove;Middle part pattern rib is also interval set with multiple middle part transverse steel sheets, and middle part transverse steel sheet is transversely met in middle part longitudinal steel sheet.

[0007] In some embodiments, the middle transverse groove is a stepped semi-closed structure, and the depth gradually changes from 5.5-5.8mm to 3.2-3.5mm at the step.

[0008] In some embodiments, a plurality of central transverse steel sheet groups are arranged on the central pattern rib in a spaced manner, and a central longitudinal fine groove extending and distributed in the circumferential direction is arranged through the central transverse steel sheet group.

[0009] In some embodiments, each central transverse steel sheet group comprises a first central transverse steel sheet and a second central transverse steel sheet, the first central transverse steel sheet is in an inverted V-shaped structure, one end of the first central transverse steel sheet is connected to the first central transverse groove, forming a Z-shaped structure through the central pattern rib; the second central transverse steel sheet is in a V-shaped structure, one end of the second central transverse steel sheet is connected to the second central transverse groove, forming a Z-shaped structure through the central pattern rib.

[0010] In some embodiments, a plurality of shoulder transverse grooves are arranged on the shoulder pattern rib in a spaced manner, the shoulder transverse groove is a stepped semi-closed structure, and one end of the shoulder transverse groove close to the center of the tread is connected to a shoulder longitudinal steel sheet in a skewed T-shaped structure.

[0011] In some embodiments, a shoulder transverse steel sheet in a semi-closed structure is arranged between adjacent shoulder transverse grooves on the shoulder pattern rib, the middle part of the shoulder transverse steel sheet is connected to the shoulder longitudinal steel sheet, the shoulder transverse groove, the shoulder longitudinal steel sheet and the adjacent two shoulder transverse steel sheets form a W-shaped structure.

[0012] In some embodiments, the depth of the longitudinal groove is 7.8-8.2mm, and a circular chamfer with a radius of 2.3-2.7mm is arranged on both sides of the groove bottom.

[0013] In some embodiments, the longitudinal groove comprises a shoulder longitudinal groove between adjacent shoulder pattern ribs and middle pattern ribs, and a middle longitudinal groove between the central pattern rib and the middle pattern rib, and the width of the middle longitudinal groove is smaller than the width of the shoulder longitudinal groove.

[0014] In some embodiments, the width of the middle longitudinal groove is 8-11mm, and the width of the shoulder longitudinal groove is 9-12mm.

[0015] The utility model discloses a kind of SUV tires, and tire tread is provided with above-mentioned tire pattern.

[0016] Compared with prior art, the utility model has the beneficial effects that:

[0017] (1) The longitudinal grooves arranged on the tread of the tire pattern divide the tread into a plurality of pattern ribs, the middle part longitudinal steel sheets and the middle part transverse steel sheets arranged on the middle part pattern ribs are staggered, and the middle part transverse grooves are matched with the middle part transverse steel sheets, so that the middle part pattern ribs are cut into a plurality of blocks that are engaged with each other, the comfort of the tire is improved, and the adaptability of the tire to complex road conditions is improved.

[0018] (2) The plurality of central transverse steel sheet groups arranged on the central pattern ribs of the tire pattern can reduce the center stiffness of the tire, so that the tire has good rolling performance and the driving comfort is improved.

[0019] (3) The plurality of shoulder transverse grooves arranged on the shoulder pattern ribs of the tire pattern can provide good grip for the tire, which is beneficial to the acceleration and braking of the automobile; the shoulder transverse groove stepped semi-closed structure can reduce the transmission of tire shoulder noise to the inside on the basis of enhancing the water sliding ability of the tire; the shoulder transverse groove is connected with the shoulder longitudinal steel sheet, so that the tread rigidity at the position is reduced, and the comfort of the tire is improved.

[0020] (4) The tire pattern provided with four longitudinal grooves with the same depth and the same width in pairs can provide sufficient drainage capacity for the tire, so as to improve the driving safety on the rainwater road surface; the width of the central longitudinal groove is smaller than that of the two side longitudinal grooves, so that the longitudinal drainage efficiency of the tire is maximized. BRIEF DESCRIPTION OF DRAWINGS

[0021] The drawings described herein are used to provide further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. Among them:

[0022] Figure 1 The structure schematic view of the tire pattern provided by the embodiment of the present application;

[0023] Figure 2 is Figure 1 The sectional view at A-A';

[0024] In the drawings: 1, central pattern rib, 2, middle longitudinal groove, 3, middle pattern rib, 4, shoulder longitudinal groove, 5, shoulder pattern rib, 6, central longitudinal fine groove, 7, central transverse steel sheet, 71, first central transverse steel sheet, 72, second central transverse steel sheet, 8, central transverse groove, 81, first central transverse groove, 82, second central transverse groove, 9, middle longitudinal steel sheet, 10, middle transverse steel sheet, 11, middle transverse groove, 111, first middle transverse groove, 112, second middle transverse groove, 12, shoulder transverse groove, 13, shoulder transverse steel sheet, 14, shoulder longitudinal steel sheet. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical scheme and advantages of the utility model clearer, the technical scheme in the embodiment will be described clearly and completely in combination with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0026] In the description of the utility model, it is understood that the terms "center", "transverse", "longitudinal", "upper", "lower", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can be explicitly or implicitly included one or more features. The term "longitudinal" refers to the direction of tire rolling; the term "transverse" refers to the direction perpendicular to the tire surface.

[0027] The utility model embodiment provides a kind of comfortable tire pattern and SUV tire suitable for domestic market, and the tire pattern is symmetrical pattern design, and pattern performance is more balanced, more suitable for domestic market. Figure 1 It is the structural schematic view of the tire pattern according to the utility model embodiment. Reference Figure 1As shown, the tire pattern at least includes: a plurality of longitudinal grooves distributed along the circumferential direction of the tread, and a plurality of pattern ribs divided by the longitudinal grooves and distributed along the circumferential direction, a plurality of steel sheets and transverse grooves are arranged on each pattern rib. The pattern rib includes a central pattern rib 1 located at the position of the center line of the tread, a shoulder pattern rib 5 located at the position of the shoulder, and a middle pattern rib 3 located between the central pattern rib 1 and the shoulder pattern rib 5, wherein the middle pattern rib 3 is provided with a middle longitudinal steel sheet 9 extending along the circumferential direction, the middle longitudinal steel sheet 9 is in a continuous S-shaped structure, the S-shaped inflection point of the middle longitudinal steel sheet 9 is connected to a first middle transverse groove 111 on the side close to the center line of the tread, the other end of the first middle transverse groove 111 extends to the adjacent longitudinal groove; the S-shaped inflection point is connected to a second middle transverse groove 112 on the side close to the shoulder part, and the other end of the second middle transverse groove 112 extends to the adjacent longitudinal groove; the first middle transverse groove 111 and the second middle transverse groove 112 are both in a stepped semi-closed structure, and the depth of the step gradually changes from 5.5-5.8mm to 3.2-3.5mm. By arranging the middle transverse groove with the above structure, the tire can provide good grip, which is beneficial to the acceleration and braking of the automobile; the stepped semi-closed structure can reduce the transmission of shoulder noise on the basis of enhancing the water sliding ability of the tire. A plurality of middle transverse steel sheets 10 are also arranged on the middle pattern rib 3 in a spaced manner, and the middle transverse steel sheets 10 intersect transversely at the middle longitudinal steel sheet 9. The width of the middle longitudinal steel sheet 9 and the middle transverse steel sheet 10 is 0.4-1.0mm, and the depth is 2.9-3.0mm. The combination of the middle longitudinal steel sheet 9 and the middle transverse steel sheet 10 cooperates with the middle transverse groove to cut the middle pattern rib 3 into a plurality of mutually engaged blocks, thereby improving the comfort and adaptability of the tire on complex road conditions.

[0028] The central pattern rib 1 of the tire pattern of the embodiment of the utility model is provided with a plurality of central transverse steel sheet groups in a spaced manner, the width of each central transverse steel sheet is 0.4-1.0mm, the central stiffness of the tire is reduced, the tire has good rolling property, and the driving comfort is improved. Each central transverse steel sheet group includes a first central transverse steel sheet 71 and a second central transverse steel sheet 72, the first central transverse steel sheet 71 is in an inverted V-shaped structure, one end of the first central transverse steel sheet 71 is connected to a first central transverse groove 81, and a Z-shaped structure penetrating the central pattern rib is formed; the second central transverse steel sheet 72 is in a V-shaped structure, one end of the second central transverse steel sheet 72 is connected to a second central transverse groove 82, and a Z-shaped structure penetrating the central pattern rib 1 is formed. The middle part of the central pattern rib 1 is also provided with a central longitudinal fine groove 6 extending along the circumferential direction, and the central longitudinal fine groove 6 penetrates the central transverse steel sheet group. By arranging a plurality of central transverse grooves 8 on the central pattern rib 1, the central pattern rib 1 has a certain stiffness, and the wet performance of the tire is improved.

[0029] The shoulder transverse groove 12 is arranged on the shoulder rib 5 of the tire pattern, and the shoulder transverse groove 12 is a ladder-shaped semi-closed structure, and one end of the shoulder transverse groove 12 close to the center of the tread is connected with a shoulder longitudinal steel sheet 14 in a tilted T-shaped structure, and the end of the T-shaped structure is connected with an adjacent longitudinal groove; a shoulder transverse steel sheet 13 in a semi-closed structure is arranged between the adjacent shoulder transverse grooves 12 on the shoulder rib 5, the middle part of the shoulder transverse steel sheet 13 is connected with the shoulder longitudinal steel sheet 14, and the shoulder transverse groove 12, the shoulder longitudinal steel sheet 14 and the adjacent two shoulder transverse steel sheets 13 form a Wang-shaped structure. The arrangement of the shoulder transverse groove 12 can provide good adhesion for the tire, which is beneficial to the acceleration and braking of the automobile; the ladder-shaped semi-closed structure can reduce the transmission of the tire shoulder noise to the inside on the basis of enhancing the water sliding capacity of the tire. Preferably, the width of the shoulder longitudinal steel sheet 14 is 0.4-1.4mm, and the depth is 2-5mm, which can improve the adhesion of the tire; the width of the shoulder transverse steel sheet 13 is 0.4-1.4mm, and the depth is 2-5mm, which can reduce the tread rigidity at the position and improve the comfort of the tire.

[0030] Reference is made to the accompanying drawings Figure 2 As shown in the drawings, the depth of the longitudinal groove of the tire pattern is 7.8-8.2mm, and the two sides of the groove bottom are provided with a circular chamfer with a radius of 2.3-2.7mm. The longitudinal groove includes a shoulder longitudinal groove 4 between the adjacent shoulder rib 5 and the middle rib 3, and a middle longitudinal groove 2 between the central rib 1 and the middle rib 3, and the width of the middle longitudinal groove 2 is smaller than the width of the shoulder longitudinal groove 4. Preferably, the width of the middle longitudinal groove 2 is 8-11mm, and the width of the shoulder longitudinal groove 4 is 9-12mm. By arranging four longitudinal grooves with the same depth and the same width, sufficient drainage capacity can be provided for the tire to enhance the driving safety on the rainwater road; the width of the longitudinal groove located at the center is smaller than the width of the longitudinal groove located at the two sides, which can maximize the longitudinal drainage efficiency of the tire.

[0031] The utility model provides a kind of SUV tire, and tire tread is provided with above-mentioned tire pattern, improves the rigidity and adhesion of tire, with excellent wet performance and comfort.

[0032] The above embodiments are only used to illustrate the technical solutions of the utility model and not to limit them; although the utility model has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the utility model can be modified or some technical features can be replaced equivalently; without departing from the spirit of the technical solutions of the utility model, they should be covered in the technical solution range of the utility model claimed.

Claims

1. A tire pattern, characterized by: The tire tread comprises a plurality of longitudinal grooves extending along the circumferential direction of the tread, and a plurality of pattern ribs divided by the longitudinal grooves and extending along the circumferential direction, wherein the pattern ribs comprise central pattern ribs located at the position of the center line of the tread, shoulder pattern ribs located at the position of the shoulder, and middle pattern ribs located between the central pattern ribs and the shoulder pattern ribs, and The middle pattern ribs are provided with middle longitudinal steel sheets extending along the circumferential direction, the middle longitudinal steel sheets have a continuous S-shaped structure, and the S-shaped inflection points of the middle longitudinal steel sheets are connected to middle transverse grooves, and the other ends of the middle transverse grooves extend to adjacent longitudinal grooves; The middle pattern ribs are also provided with a plurality of middle transverse steel sheets arranged at intervals, and the middle transverse steel sheets intersect with the middle longitudinal steel sheets.

2. Tyre pattern according to claim 1, characterized in that: The middle transverse grooves have a stepped semi-closed structure, and the depth gradually changes from 5.5-5.8mm to 3.2-3.5mm at the step.

3. The tire pattern of claim 1, wherein: The central pattern ribs are provided with a plurality of central transverse steel sheet groups arranged at intervals, and central longitudinal fine grooves arranged in the middle of the central pattern ribs and extending along the circumferential direction penetrate the central transverse steel sheet groups.

4. Tyre pattern according to claim 3, characterized in that: Each central transverse steel sheet group comprises a first central transverse steel sheet and a second central transverse steel sheet, the first central transverse steel sheet has an inverted V-shaped structure, one end of the first central transverse steel sheet is connected to a first central transverse groove, forming a Z-shaped structure penetrating the central pattern rib, and the second central transverse steel sheet has a V-shaped structure, one end of the second central transverse steel sheet is connected to a second central transverse groove, forming a Z-shaped structure penetrating the central pattern rib.

5. The tire tread of claim 1, wherein: The shoulder pattern ribs are provided with a plurality of shoulder transverse grooves arranged at intervals, the shoulder transverse grooves have a stepped semi-closed structure, and one end of the shoulder transverse groove close to the center of the tread is connected to a shoulder longitudinal steel sheet having a skewed T-shaped structure.

6. Tyre pattern according to claim 5, characterized in that: The shoulder pattern ribs are provided with shoulder transverse steel sheets having a semi-closed structure between adjacent shoulder transverse grooves, the middle of the shoulder transverse steel sheet is connected to the shoulder longitudinal steel sheet, and the shoulder transverse groove, the shoulder longitudinal steel sheet and the two adjacent shoulder transverse steel sheets form a W-shaped structure.

7. The tire tread of claim 1, wherein: The depth of the longitudinal groove is 7.8-8.2mm, and the two sides of the groove bottom are provided with a circular chamfer with a radius of 2.3-2.7mm.

8. The tire tread of claim 1, wherein: The longitudinal grooves comprise shoulder longitudinal grooves located between adjacent shoulder pattern ribs and middle pattern ribs, and middle longitudinal grooves located between central pattern ribs and middle pattern ribs, and the width of the middle longitudinal groove is smaller than the width of the shoulder longitudinal groove.

9. Tyre pattern according to claim 8, characterized in that: The width of the middle longitudinal groove is 8-11mm, and the width of the shoulder longitudinal groove is 9-12mm.

10. A tire for SUVs, characterized by the fact that: The tire tread is provided with the tire pattern according to any one of claims 1-9.

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