HP tread pattern with excellent performance and tire

Abstract

The utility model provides an HP tread pattern with excellent performance and a tire, and belongs to the field of tires, the HP tread pattern comprises a plurality of longitudinal grooves extending along the circumferential direction of a tread and a plurality of pattern blocks separated by the longitudinal grooves, and a plurality of transverse grooves are oppositely arranged on adjacent pattern blocks along the circumferential direction of the tread; the longitudinal grooves comprise inner side edge longitudinal grooves, inner side middle longitudinal grooves, outer side middle longitudinal grooves and outer side edge longitudinal grooves which are sequentially formed from the inner side to the outer side of the tread, the width of the outer side edge longitudinal grooves is smaller than that of the inner side edge longitudinal grooves, and the depth of the outer side edge longitudinal grooves is the same as that of the inner side edge longitudinal grooves; the depths and the widths of the inner side middle longitudinal grooves and the outer side middle longitudinal grooves are the same and are greater than the depths and the widths of the inner side edge longitudinal grooves; the pattern blocks comprise inner side tire shoulder pattern blocks, inner side middle pattern blocks, central pattern blocks, outer side middle pattern blocks and outer side tire shoulder pattern blocks. The tire disclosed by the utility model has the characteristics of improving the gripping performance of the tire, the control stability of dry and wet land and the braking performance, and improving the driving comfort.

Description

Technical Field

[0001] The utility model belongs to the technical field of tires, and in particular relates to a HP tire pattern and a tire with superior performance. Background Art

[0002] With the continuous development of the automobile industry, people's pursuit of vehicle tires' safety, comfort and other performance is constantly improving. However, the HP tire pattern currently available on the market sacrifices handling stability while enhancing comfort attributes. Therefore, in order to meet market demand, it is urgent to develop a HP tire pattern and tire with superior performance, which can improve the tire's dry and wet handling stability and grip performance while ensuring the basic performance of the tire, and meet the comprehensive needs of car owners for various performance indicators. Utility Model Content

[0003] Details of one or more embodiments of the present invention are set forth in the following drawings and description to make other features, objects, and advantages of the present application more readily apparent.

[0004] In view of the above-mentioned deficiencies existing in the prior art, the utility model proposes a HP tire pattern with superior performance, which has the characteristics of improving the tire's grip performance, dry and wet handling stability and braking performance, and improving driving comfort.

[0005] The utility model discloses, on one hand, a HP tire pattern with superior performance, comprising a plurality of longitudinal grooves extending along the circumferential direction of the tread and a plurality of pattern blocks separated by the longitudinal grooves, and a plurality of transverse grooves are arranged relatively along the circumferential direction of the tread on adjacent pattern blocks; the longitudinal grooves comprise inner side edge longitudinal grooves, inner middle longitudinal grooves, outer middle longitudinal grooves and outer side edge longitudinal grooves which are arranged in sequence from the inner side to the outer side of the tread, the width of the outer side edge longitudinal grooves is narrower than the width of the inner side edge longitudinal grooves, the depth of the outer side edge longitudinal grooves is the same as the depth of the inner side edge longitudinal grooves, the depth and width of the inner middle longitudinal grooves are the same as those of the outer middle longitudinal grooves, and are both greater than the depth and width of the inner side edge longitudinal grooves; the pattern blocks comprise inner side shoulder pattern blocks, inner middle pattern blocks, central pattern blocks, outer middle pattern blocks and outer side shoulder pattern blocks which are separated by four longitudinal grooves and arranged in sequence from the inner side to the outer side of the tread.

[0006] In some of the embodiments, a first outer shoulder lateral groove and a second outer shoulder lateral groove are alternately arranged on the outer shoulder pattern block, wherein the first outer shoulder lateral groove is a semi-open lateral groove, the groove bottom is stepped, and the groove depth at the step is 3 mm; the second outer shoulder lateral groove has a closed structure at one end close to the outer side of the tread, and the other end is connected to the outer edge longitudinal groove through the shoulder steel sheet.

[0007] In some of the embodiments, one end of the first outer shoulder transverse groove close to the outer side of the tread is a closed structure, and the other end is connected to the outer edge longitudinal groove, and the connection is a gradual chamfer structure, and the widest part of the gradual chamfer is 4 mm.

[0008] In some of the embodiments, a first outer middle lateral groove and a second outer middle lateral groove of a through structure are alternately arranged on the outer middle pattern block, wherein the first outer middle lateral groove is an upward inclined arc structure, which is arranged opposite to the second outer shoulder lateral groove; the second outer middle lateral groove is a lightning-shaped structure, which is arranged opposite to the first outer shoulder lateral groove.

[0009] In some of the embodiments, a plurality of first central transverse grooves in a Z-shape are arranged at intervals on the central pattern block, the first central transverse groove is a continuous transverse groove structure, and is arranged opposite to the second outer middle transverse groove; second central transverse grooves and third central transverse grooves are arranged relatively distributed between adjacent first central transverse grooves on the central pattern block, one end of the second central transverse groove and the third central transverse groove are both closed structures, and the other ends are respectively connected to the adjacent longitudinal grooves.

[0010] In some of the embodiments, a plurality of inner middle transverse grooves are arranged at intervals in the inner middle pattern block, and the width of the inner middle transverse grooves is 1.2-1.8 mm.

[0011] In some of the embodiments, a first inner shoulder lateral groove and a second inner shoulder lateral groove are alternately arranged on the inner shoulder pattern block, and the first inner shoulder lateral groove and the second inner shoulder lateral groove are respectively arranged opposite to the inner middle lateral groove, wherein one end of the first inner shoulder lateral groove is connected with the inner edge longitudinal groove, and the other end close to the inner side of the tread is connected to the third inner shoulder lateral groove, and the other end of the third inner shoulder lateral groove extends downward; the second inner shoulder lateral groove is arranged parallel to the first inner shoulder lateral groove, and one end of the second inner shoulder lateral groove close to the inner side of the tread is a closed structure, and the other end is connected with the inner edge longitudinal groove.

[0012] In some of the embodiments, the width of the first inner shoulder lateral groove and the second inner shoulder lateral groove are both 2.4-3.6 mm.

[0013] In some of the embodiments, the tread pattern adopts a five-pitch design.

[0014] Another aspect of the present invention provides a tire, wherein the above-mentioned HP tire pattern is provided on the tire tread.

[0015] Compared with the prior art, the beneficial effects of the utility model are as follows: the HP tire pattern of the utility model is an asymmetric pattern structure. By setting longitudinal grooves of different widths and depths on the tread, assisted by transverse grooves of different shapes, it can cut the water film when driving on wet roads and improve the tire's grip performance; the design of the pattern blocks separated by the longitudinal grooves on the tread improves the tire's dry and wet handling stability and stable braking performance, among which the large pattern block design on the outer shoulder can improve the pattern block stiffness and provide excellent high-speed and dry and wet handling stability, and the continuous central pattern block can ensure that the tire has sufficient contact area, while reducing the stress deformation of the pattern block and providing stable braking performance; the first outer shoulder transverse groove on the outer shoulder pattern block is a semi-open transverse groove structure, which is connected to the outer side edge longitudinal groove through a gradual chamfer, and the second outer shoulder transverse groove is connected to the outer side edge longitudinal groove through a shoulder steel sheet, which ensures the strength of the shoulder pattern while reducing the transmission of noise and enhancing the drainage performance of the outer side edge longitudinal groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 A schematic diagram of the structure of the HP tire pattern provided by an embodiment of the utility model;

[0018] Figure 2 for Figure 1 Cross-sectional view of the step structure at A of the HP tire tread;

[0019] In the accompanying drawings: 1. inner shoulder pattern block, 101. first inner shoulder transverse groove, 102. second inner shoulder transverse groove, 103. second inner shoulder transverse groove; 2. inner edge longitudinal groove; 3. inner middle pattern block, 301. inner middle transverse groove; 4. inner middle longitudinal groove; 5. central pattern block, 501. first central transverse groove, 502. second central transverse groove, 503. third central transverse groove; 6. outer middle longitudinal groove; 7. outer middle pattern block, 701. first outer middle transverse groove, 702. second outer middle transverse groove; 8. outer edge longitudinal groove; 9. outer shoulder pattern block, 901. first outer shoulder transverse groove, 902. second outer shoulder transverse groove, 903. shoulder steel plate. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] In the description of the present utility model, it is necessary to understand that the orientations or positional relationships indicated by the terms "center", "lateral", "longitudinal", "upper", "lower", "inner", "outer", etc. are based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. The terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, features defined as "first", "second", and "third" may explicitly or implicitly include one or more of the features. The term "longitudinal" refers to the direction in which the tire rolls; the term "lateral" refers to the direction perpendicular to the mid-plane of the tire.

[0022] The embodiment of the utility model provides a HP tire pattern and a tire with superior performance, which is particularly suitable for summer HP tires used in mid-to-high-end cars. Figure 1 The schematic diagram of the structure of the HP tire pattern with superior performance according to the embodiment of the utility model is shown in FIG. Figure 1 As shown in the figure, the tread pattern of this high-performance HP tire is an asymmetric pattern structure. By setting longitudinal grooves of different widths and depths on the tread, assisted by transverse grooves of different shapes, it can cut through the water film when driving on wet roads, thereby improving the drainage and grip performance of the tire; the design of multiple pattern blocks separated by longitudinal grooves on the tread improves the tire's dry and wet handling stability and stable braking performance.

[0023] The tread pattern of the HP tire with superior performance in the embodiment of the utility model adopts a five-pitch design, which can reduce vibration during driving, effectively reduce noise, and provide a quiet and comfortable driving experience. The tire tread pattern includes a plurality of longitudinal grooves extending along the circumferential direction of the tread and a plurality of pattern blocks separated by the longitudinal grooves, and a plurality of transverse grooves are relatively arranged along the circumferential direction of the tread on adjacent pattern blocks; the longitudinal grooves include an inner edge longitudinal groove 2, an inner middle longitudinal groove 4, an outer middle longitudinal groove 6 and an outer edge longitudinal groove 8 which are arranged in sequence from the inner side to the outer side of the tread, the width of the outer edge longitudinal groove 8 is narrower than the width of the inner edge longitudinal groove 2, the depth of the outer edge longitudinal groove 8 is the same as the depth of the inner edge longitudinal groove 2, the depth and width of the inner middle longitudinal groove 4 and the outer middle longitudinal groove 6 are the same, and both are greater than the depth and width of the inner edge longitudinal groove 2, which is beneficial to improving the handling performance on the outer side; the pattern blocks include an inner shoulder pattern block 1, an inner middle pattern block 3, a central pattern block 5, an outer middle pattern block 7 and an outer shoulder pattern block 9 which are separated by four longitudinal grooves and arranged in sequence from the inner side to the outer side of the tread.

[0024] The first outer shoulder transverse groove 901 and the second outer shoulder transverse groove 902 are alternately arranged on the outer shoulder pattern block 9 of the HP tire pattern with superior performance in the embodiment of the utility model, which ensures the strength of the shoulder pattern while reducing the transmission of noise. Among them, the first outer shoulder transverse groove 901 is a semi-open transverse groove, the bottom of the groove is step-shaped, and the groove depth at the step is 3mm; the first outer shoulder transverse groove 901 is a closed structure at one end close to the outer side of the tread, and the other end is connected to the outer side edge longitudinal groove, and the connection is a gradual chamfer structure, the widest width of the gradual chamfer is 4mm, narrowing to 0mm, and the design of the gradual chamfer is conducive to enhancing the drainage performance of the outer side edge longitudinal groove of the tire; the second outer shoulder transverse groove 902 is a closed structure at one end close to the outer side of the tread, and the other end is connected to the outer side edge longitudinal groove 8 through the shoulder steel sheet 903.

[0025] The first outer middle lateral groove 701 and the second outer middle lateral groove 702 of the through structure are alternately arranged on the outer middle pattern block 7, which can improve the strength and handling performance of the tire. Among them, the first outer middle lateral groove 701 is an upwardly inclined arc structure, which is arranged opposite to the second outer shoulder lateral groove 902; the second outer middle lateral groove 702 is a lightning-shaped structure, which is arranged opposite to the first outer shoulder lateral groove 901. Preferably, the bottom of the first outer middle lateral groove 701 is a step structure. The lateral grooves on the outer middle pattern block 7 and the lateral grooves on the outer shoulder pattern block 9 are connected through the outer edge longitudinal grooves 8. The continuous outer middle pattern block 7 is combined with the high-rigidity outer shoulder pattern block 9, which can provide strong support when the car turns, so that the car has good turning controllability.

[0026] A plurality of first central transverse grooves 501 in a Z-shape are arranged at intervals on the central pattern block 5. The first central transverse groove 501 is a continuous through transverse groove structure and is arranged opposite to the second outer middle transverse groove 702. This through design not only ensures the discharge of accumulated water, but also has a certain water storage capacity, thereby improving the wet performance of the tire. Preferably, a chamfer is set at the connection between the first central transverse groove 501 and the inner middle longitudinal groove 4. A second central transverse groove 502 and a third central transverse groove 503 are arranged between adjacent first central transverse grooves 501 on the central pattern block 5. One end of the second central transverse groove 502 and the third central transverse groove 503 are both closed structures, and the other end is connected to the adjacent longitudinal groove, wherein the third central transverse groove 503 is arranged opposite to the first outer middle transverse groove 701. Preferably, a chamfer is set at the connection between the second central transverse groove 502 and the inner middle longitudinal groove 4. The continuous central pattern block 5 can ensure that the tire has sufficient ground contact area, while reducing the stress deformation of the pattern block and providing stable braking performance.

[0027] The inner middle pattern block 3 is provided with a plurality of through inner middle transverse grooves 301 at intervals, and the width of the transverse grooves is 1.2-1.8 mm, which greatly improves the pattern stiffness of the inner middle pattern block, greatly improves the grip of the tire, and the larger contact area greatly improves the braking performance of the tire, and the reasonable distribution of the transverse grooves also relatively increases the wear mileage of the tire. Preferably, a chamfer structure is provided at the connection between the inner middle transverse groove 301 and the inner middle longitudinal groove 4.

[0028] The first inner shoulder lateral groove 101 and the second inner shoulder lateral groove 102 are alternately arranged on the inner shoulder pattern block 1. The first inner shoulder lateral groove 101 and the second inner shoulder lateral groove 102 are respectively arranged opposite to the inner middle lateral groove 301. The shoulder lateral groove cooperates with the adjacent inner edge longitudinal groove 2 to increase the drainage performance of the tire. Among them, the width of the first inner shoulder lateral groove 101 is 2.4-3.6mm, and one end thereof is connected with the inner edge longitudinal groove 2. Preferably, a chamfer is set at the connection between the first inner shoulder lateral groove 101 and the inner edge longitudinal groove 2, and the other end of the first inner shoulder lateral groove 101 close to the inner side of the tread is connected to the third inner shoulder lateral groove 103, and the other end of the third inner shoulder lateral groove 103 extends downward; the second inner shoulder lateral groove 102 is arranged parallel to the first inner shoulder lateral groove 101, and the width of the second inner shoulder lateral groove 102 is 2.4-3.6mm, one end of the second inner shoulder lateral groove 102 close to the inner side of the tread is a closed structure, and the other end is connected with the inner edge longitudinal groove 2.

[0029] The above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model is described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the specific implementation methods of the utility model can still be modified or some technical features can be replaced by equivalents without departing from the spirit of the technical solution of the utility model, which should be included in the scope of the technical solution for which protection is requested in the utility model.

Claims

1. A HP tire pattern with superior performance, characterized by: The tire comprises a plurality of longitudinal grooves extending in the circumferential direction of the tread and a plurality of pattern blocks separated by the longitudinal grooves, and a plurality of transverse grooves are arranged oppositely in the circumferential direction of the tread on adjacent pattern blocks; The longitudinal grooves include inner side longitudinal grooves, inner middle longitudinal grooves, outer middle longitudinal grooves and outer side longitudinal grooves which are arranged in sequence from the inner side to the outer side of the tread. The width of the outer side longitudinal grooves is narrower than that of the inner side longitudinal grooves. The depth of the outer side longitudinal grooves is the same as that of the inner side longitudinal grooves. The depth and width of the inner middle longitudinal grooves are the same as those of the outer middle longitudinal grooves, and are both greater than the depth and width of the inner side longitudinal grooves. The pattern blocks include inner shoulder pattern blocks, inner middle pattern blocks, central pattern blocks, outer middle pattern blocks, and outer shoulder pattern blocks which are separated by four longitudinal grooves and arranged in sequence from the inner side to the outer side of the tread.

2. The HP tire pattern with superior performance according to claim 1, characterized in that: The first outer shoulder lateral groove and the second outer shoulder lateral groove are alternately arranged on the outer shoulder pattern block, wherein: The first outer shoulder transverse groove is a semi-open transverse groove with a step-shaped bottom and a groove depth of 3mm at the step; One end of the second outer shoulder transverse groove close to the outer side of the tread is a closed structure, and the other end is connected to the outer side longitudinal groove through the shoulder steel sheet.

3. The HP tire pattern with superior performance according to claim 2, characterized in that: One end of the first outer shoulder transverse groove close to the outer side of the tread is a closed structure, and the other end is connected to the outer edge longitudinal groove, and the connection is a gradual chamfer structure, and the widest part of the gradual chamfer is 4mm.

4. The HP tire pattern with superior performance according to claim 2, characterized in that: The first outer middle lateral groove and the second outer middle lateral groove of the through structure are alternately arranged on the outer middle pattern block, wherein: The first outer middle transverse groove is an upwardly inclined arc-shaped structure, which is arranged opposite to the second outer shoulder transverse groove; The second outer middle transverse groove has a lightning-shaped structure and is arranged opposite to the first outer shoulder transverse groove.

5. The HP tire pattern with superior performance according to claim 4, characterized in that: A plurality of Z-shaped first central transverse grooves are arranged at intervals on the central pattern block. The first central transverse groove is a continuous transverse groove structure and is arranged opposite to the second outer middle transverse groove. The second central transverse groove and the third central transverse groove are relatively distributed between the adjacent first central transverse grooves on the central pattern block. One end of the second central transverse groove and the third central transverse groove are both closed structures, and the other end is respectively connected with the adjacent longitudinal grooves.

6. The HP tire pattern with superior performance according to claim 1, characterized in that: The inner middle pattern block is provided with a plurality of inner middle transverse grooves at intervals, and the width of the inner middle transverse grooves is 1.2-1.8 mm.

7. The HP tire pattern with superior performance according to claim 6, characterized in that: The first inner shoulder lateral groove and the second inner shoulder lateral groove are alternately arranged on the inner shoulder pattern block, and the first inner shoulder lateral groove and the second inner shoulder lateral groove are arranged opposite to the inner middle lateral groove respectively, wherein, One end of the first inner shoulder transverse groove is connected to the inner side longitudinal groove, and the other end close to the inner side of the tread is connected to the third inner shoulder transverse groove, and the other end of the third inner shoulder transverse groove extends downward; The second inner shoulder lateral groove is arranged in parallel with the first inner shoulder lateral groove, and one end of the second inner shoulder lateral groove close to the inner side of the tread is a closed structure, and the other end is connected with the inner side longitudinal groove.

8. The HP tire pattern with superior performance according to claim 7, characterized in that: The width of the first inner shoulder transverse groove and the second inner shoulder transverse groove are both 2.4-3.6 mm.

9. The HP tire pattern with superior performance according to claim 1, characterized in that: The tread pattern adopts a five-pitch design.

10. A tire, characterized in that: The tire tread is provided with the HP tire pattern with superior performance as described in any one of claims 1-9.

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