Tread structure and tire
By designing multiple main grooves, secondary grooves, and drainage patterns on the tire surface to form a drainage network, the problem of tire slippage on wet and slippery roads is solved, improving grip and handling, and enhancing the driving and riding experience.
Patent Information
- Application Number
- CN202423113382.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2025-10-17
- Estimated Expiration
- 2034-12-16
AI Technical Summary
Existing tires are prone to slipping on wet roads, resulting in reduced grip and poor handling, which fails to meet the driving safety and passenger comfort requirements of urban SUVs on wet roads.
Design a tread structure including multiple main grooves and secondary grooves. The main grooves are arranged at intervals along the width of the tire and extend in the circumferential direction. A zigzag groove is set between adjacent tread areas. Drainage patterns are provided on the tread blocks. Secondary grooves and short grooves are provided in the shoulder area to form a drainage network, which improves the water drainage capacity and contact area.
It enhances tire grip on wet roads, improves handling and ride experience, and ensures driving safety and comfort.
Smart Images
Figure CN223443220U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a tire technical field especially relates to a tread structure and tire. BACKGROUND
[0002] For the city SUV model, the tire needs to bear heavy load and ensure stronger grip force, especially wet grip force, to provide better handling performance and meet the driving safety and comfort on dry and wet road surfaces.
[0003] However, the existing tire is prone to skidding on wet road surface, has weak grip force and poor handling performance, which makes the passengers unable to have a good riding experience. Therefore, the tire for the city SUV model needs to be specially designed to improve the water absorption and drainage capacity of the tire surface, make the tread fully contact with the ground and improve the wet grip performance of the tire to ensure the driving safety of the car on wet road surface. SUMMARY
[0004] The utility model discloses a tread structure and tire for improving the water absorption and drainage capacity of the tire surface, making the tread fully contact with the ground and improving the wet grip performance of the tire.
[0005] To achieve the purpose, the utility model adopts the following technical scheme:
[0006] On the one hand, the utility model provides a kind of tread structure, which comprises: multiple main grooves, the multiple main grooves are arranged along the first direction interval, and the main groove extends along the second direction, the first direction is the width direction of tire, and the second direction is the circumferential direction of the tire;Multiple main grooves separate the outer surface of the tire into two shoulder areas arranged along the first direction and multiple tread areas between the two shoulder areas;Multiple tread areas include a central tread area and a side edge tread area between the central tread area and the shoulder area;The main groove between adjacent two tread areas is a fold line type groove.
[0007] In some embodiments, the central tread area is provided with a first protrusion and a first notch on one side wall close to the side edge tread area, and the side edge tread area is provided with a second notch and a second protrusion on one side wall close to the central tread area;The first protrusion and the first notch can be combined with the second notch and the second protrusion to form the fold line type groove.
[0008] In some embodiments, each of the tread regions is provided with a plurality of sub-tread grooves arranged along the second direction at intervals, the sub-tread grooves being arranged at an angle to the first direction; the sub-tread grooves of the center tread region and the sub-tread grooves of the side tread region intersect; the sub-tread grooves are in communication with the adjacent main grooves; and the plurality of sub-tread grooves divide each of the tread regions into a plurality of tread blocks.
[0009] In some embodiments, the tread blocks are provided with a plurality of first drainage patterns arranged along the second direction at intervals; the first drainage patterns are arranged in the same direction as the sub-tread grooves of the tread region in which the first drainage patterns are located; and the first drainage patterns are in communication with the adjacent main grooves.
[0010] In some embodiments, the tread blocks form sharp corners at the communication positions of the main grooves and the sub-tread grooves; and the sharp corners of the tread blocks are provided with chamfers.
[0011] In some embodiments, the shoulder regions are provided with a plurality of sub-shoulder grooves arranged along the second direction at intervals, the sub-shoulder grooves being arranged at an angle to the first direction or in parallel to the first direction; one end of the sub-shoulder grooves close to the tire side is in communication with the outside; and the plurality of sub-shoulder grooves divide each of the shoulder regions into a plurality of partially connected shoulder blocks.
[0012] In some embodiments, the shoulder blocks are provided with a plurality of second drainage patterns arranged along the second direction at intervals; the second drainage patterns are arranged in parallel to the sub-shoulder grooves or at an angle to the sub-shoulder grooves; and the second drainage patterns are in communication with the adjacent main grooves.
[0013] In some embodiments, the shoulder blocks comprise a first region and a second region arranged along the first direction at an angle, the second region being close to the tread region and being in contact with the ground; the second drainage patterns are arranged in the second region; and the first region is provided with a shoulder recess, and the second drainage patterns in each of the second regions converge at the shoulder recess away from the main grooves.
[0014] In some embodiments, the shoulder regions are provided with a plurality of shoulder short grooves arranged along the second direction at intervals, the shoulder short grooves being arranged on a side wall of the shoulder region close to the tread region; and in the first direction, the plurality of shoulder short grooves are arranged in one-to-one correspondence with the plurality of sub-shoulder grooves.
[0015] In another aspect, the utility model provides a tire, the outer surface of the tire is provided with the tread structure of any one of the above embodiments.
[0016] The utility model discloses beneficial effect:
[0017] The utility model discloses through setting up the main groove of multiple along the first direction interval arrangement and along the second direction extension on the tire outer surface, and multiple main grooves divide the outer surface of tire into 2 shoulder regions along the first direction arrangement and multiple tread regions between 2 shoulder regions, and set up multiple tread regions as center tread region and side edge tread region between center tread region and shoulder region, and set up the main groove between adjacent two tread regions as the broken line groove, so that when the tread structure contacts with the water on the ground, the water can be extruded into the main groove, reduces even avoids the water film between the tread structure and the ground, improves the contact area of the tread structure and the ground, and the water is temporarily stored in the main groove, along with the movement of the tread structure, and the water will be discharged along the extension direction of the main groove, in addition, through setting up the main groove between adjacent two tread regions as the broken line groove, makes the main groove have more corners, improves the ability of the tread structure to beat and cut the water film, makes the water more easily extruded into the main groove, and then makes the contact of the tread structure and the ground more fully, improves the wet ground grip performance of the whole tread structure.
[0018] On the other hand, the utility model provides a kind of tire, by using the tread structure described in any one of the above embodiments, so that the tire has better wet ground grip performance, can improve the controllability of the tire when driving in wet ground, and then improve the driving experience of driver and the riding experience of passenger. BRIEF DESCRIPTION OF DRAWINGS
[0019] Figure 1 It is a structure diagram of the tread structure provided by the utility model specific embodiment;
[0020] Figure 2 It is Figure 1 The enlarged structure diagram of area A in the structure shown.
[0021] In the drawing:
[0022] 1, main groove; 2, shoulder region; 3, tread region; 31, center tread region; 311, first protrusion; 312, first notch; 32, side edge tread region; 321, second notch; 322, second protrusion; 4, tread auxiliary groove; 5, tread pattern block; 51, first drainage pattern; 52, chamfer; 53, connecting portion; 6, shoulder auxiliary groove; 7, shoulder pattern block; 71, second drainage pattern; 72, shoulder recess; 8, shoulder short groove; X1, first direction; X2, second direction; S1, first region; S2, second region. DETAILED DESCRIPTION
[0023] The utility model will be described in further detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are merely intended to explain the utility model and not to limit the utility model. In addition, it should be noted that only the parts related to the utility model are shown in the drawings for ease of description.
[0024] In the description of the utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0025] In the utility model, unless otherwise explicitly specified and limited, the first feature is "on" or "below" the second feature, which can include direct contact between the first and second features, or indirect contact between the first and second features through another feature between them.
[0026] In the description of the embodiment, the terms "upper", "lower", "right", etc. orientation or position relationship is based on the orientation or position relationship shown in the drawings, only for ease of description and simplification operation, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model. In addition, the terms "first", "second" are only used to distinguish in the description, and have no special meaning.
[0027] As Figure 1 As shown in the drawings, the embodiment provides a tread structure, which comprises a plurality of main grooves 1, and the plurality of main grooves 1 are arranged at intervals along a first direction X1 and extend along a second direction X2, the first direction X1 is the width direction of the tire, and the second direction X2 is the circumferential direction of the tire. In other words, the plurality of main grooves 1 are arranged at intervals along the width direction of the tire, and each main groove 1 is arranged around the outer surface of the tire. The cross-sectional pattern of the main groove 1 along the depth direction can be an inverted trapezoid, that is, the opening width of the main groove 1 is greater than the width of the groove bottom of the main groove 1. Through the above arrangement, it can be avoided that stones and other sundries are stuck in the main groove 1, and the self-cleaning ability of the tread structure is improved, and at the same time, the opening width of the main groove 1 is set to be larger, which can also improve the water storage capacity and drainage capacity of the main groove 1.
[0028] As Figure 1As shown, the plurality of main grooves 1 can divide the outer surface of the tire into two shoulder regions 2 arranged along the first direction X1 and a plurality of tread regions 3 located between the two shoulder regions 2. The width of each tread region 3 is 5mm-20mm. The plurality of tread regions 3 includes a center tread region 31 and side tread regions 32 located between the center tread region 31 and the shoulder regions 2. In the first direction X1, the shoulder regions 2 and the tread regions 3 are arranged in the order of: shoulder region 2, side tread region 32, center tread region 31, side tread region 32, shoulder region 2. That is, the shoulder regions 2 are arranged on both sides of the center tread region 31, and the side tread regions 32 are arranged on both sides of the center tread region 31. Figure 1 As shown, the viewing angle is taken as an example, from left to right in turn: the first shoulder region 2, the first side tread region 32, the center tread region 31, the second side tread region 32, and the second shoulder region 2. By so arranging, the left and right sides of the tread structure can be ensured to have the same contact area with the ground to ensure uniform pattern wear. The main grooves 1 between adjacent two tread regions 3 are zigzag grooves. Here, the zigzag groove refers to a groove with more corners, such as a "Z" shaped groove or a "bow" shaped groove, etc.
[0029] Thus, in the above tread structure, by arranging a plurality of main grooves 1 on the outer surface of the tire, the plurality of main grooves 1 divide the outer surface of the tire into two shoulder regions 2 arranged along the first direction X1 and a plurality of tread regions 3 located between the two shoulder regions 2, and the plurality of tread regions 3 are arranged as a center tread region 31 and side tread regions 32 located between the center tread region 31 and the shoulder regions 2; and the main grooves 1 between adjacent two tread regions 3 are zigzag grooves. In this way, when the tread structure contacts with water on the ground, the water can be squeezed into the main grooves 1, reducing or even avoiding the existence of a water film between the tread structure and the ground, increasing the contact area between the tread structure and the ground, temporarily storing the water in the main grooves 1, and as the tread structure moves, the water will be discharged along the extension direction of the main grooves 1; in addition, by arranging the main grooves 1 between adjacent two tread regions 3 as zigzag grooves, the main grooves 1 have more corners, improving the ability of the tread structure to hit and cut the water film, making it easier for the water to be squeezed into the main grooves 1, and thus making the contact between the tread structure and the ground more sufficient, improving the wet grip performance of the entire tread structure.
[0030] It can be understood that the main grooves 1 between the shoulder area 2 and the adjacent tread area 3 in the above-mentioned tread structure can be provided as straight-line grooves, which can facilitate the manufacturing of the tread structure and reduce the overall processing difficulty; the main grooves 1 between the shoulder area 2 and the adjacent tread area 3 can also be provided as zigzag grooves, which can make the tread structure have more corner structures and further improve the ability of the tread structure to beat and cut water film.
[0031] In some embodiments, in combination with Figure 1 、 Figure 2 As shown in the drawings, the center tread area 31 is provided with a first protrusion 311 and a first notch 312 on the side wall close to the side tread area 32, and the side tread area 32 is provided with a second notch 321 and a second protrusion 322 on the side wall close to the center tread area 31. The first protrusion 311 is matched with the second notch 321, and the second protrusion 322 is matched with the first notch 312, that is, the first protrusion 311 is a quadrilateral protrusion, and the second notch 321 is a quadrilateral notch with the same shape and size as the first protrusion 311; the second protrusion 322 is a quadrilateral protrusion, and the first notch 312 is a quadrilateral notch with the same shape and size as the second protrusion 322. In this way, the appearance of the tread structure can be improved, and the design and processing of the tread structure can be facilitated. In the first direction X1, the first protrusion 311 is at least partially arranged corresponding to the second polygonal groove, and the second protrusion 322 is at least partially arranged corresponding to the first polygonal groove. The first protrusion 311 and the first notch 312 can be combined with the second notch 321 and the second protrusion 322 to form a zigzag groove.
[0032] It can be understood that the first protrusion 311 and the second protrusion 322 can also be provided in other shapes, such as triangular or pentagonal, and the shapes of the first protrusion 311 and the second protrusion 322 can be the same or different, and the shapes of the first notch 312 and the second notch 321 are set in the same way. The shapes and sizes of the first protrusion 311 and the first notch 312 can be the same or different, and the shapes and sizes of the second protrusion 322 and the second notch 321 can also be the same or different, as long as the first protrusion 311 and the first notch 312 can be combined with the second notch 321 and the second protrusion 322 to form a zigzag groove. Herein, no further limitation is made.
[0033] It is easy to understand that, in the first direction X1, the positional relationship between the first protrusion 311, the first notch 312, the second notch 321, and the second protrusion 322 can be arranged in a variety of ways. Specifically, the positional relationship between the first protrusion 311, the first notch 312, the second notch 321, and the second protrusion 322 can be, for example: in the first direction X1, the first protrusion 311 is arranged directly opposite the second notch 321, and the second protrusion 322 is arranged directly opposite the first notch 312; or: in the first direction X1, the first protrusion 311 is arranged corresponding to a portion of the second notch 321, and the second protrusion 322 is arranged corresponding to a portion of the first notch 312; or, in the first direction X1, the first protrusion 311 is arranged corresponding to both a portion of the second notch 321 and a portion of the second protrusion 322, and the second protrusion 322 is arranged corresponding to both a portion of the first notch 312 and a portion of the first protrusion 311.
[0034] In the above-mentioned tread structure, a first protrusion 311 and a first notch 312 are provided on a side wall of the above-mentioned central tread area 31 close to the above-mentioned side tread area 32, and a second notch 321 and a second protrusion 322 are provided on a side wall of the side tread area 32 close to the central tread area 31, so that the first protrusion 311 and the first notch 312 can be combined with the second notch 321 and the second protrusion 322 to form a zigzag groove, which has a simple structure and is convenient for the design and manufacture of the tread structure. At the same time, the zigzag groove formed in this way has obvious edge and corner structure, so that the tread structure can better beat and cut the water film.
[0035] In some embodiments, as Figure 1 As shown, each tread region 3 has multiple auxiliary tread grooves 4 arranged at intervals along the second direction X2. The width of each auxiliary tread groove 4 ranges from 0.5 mm to 5 mm. The extension direction of each auxiliary tread groove 4 forms an angle with the first direction X1, such as 30°, 45°, or 60°. The extension direction of the auxiliary tread grooves 4 in the center tread region 31 intersects with the extension direction of the auxiliary tread grooves 4 in the side tread regions 32. In other words, the auxiliary tread grooves 4 in the center tread region 31 and the auxiliary tread grooves 4 in the side tread regions 32 are arranged in opposite directions.
[0036] The secondary tread grooves 4 communicate with adjacent primary grooves 1, and the plurality of secondary tread grooves 4 divide each tread area 3 into a plurality of tread blocks 5. The number of secondary tread grooves 4 can be set according to the tire diameter, and the width between two adjacent secondary tread grooves 4 is 15 mm to 55 mm.
[0037] All the tread blocks 5 in each of the above-mentioned tread regions 3 constitute a pitch unit, and the width between the two adjacent sub-grooves 4, i.e. the width of the pitch unit, is 15-55 mm, and the number of the tread blocks 5 in each pitch unit is 50-100. The number of the pitch units is 2-6, i.e. the total number of the shoulder regions 2 and the tread regions 3 described in the above-mentioned embodiments can be 2-6; and the width of each pitch unit and the number of the tread blocks contained therein can be the same or different.
[0038] In the above-mentioned tread structure, by arranging the plurality of sub-grooves 4 in the tread region 3 along the second direction X2, and by using the sub-grooves 4 to divide the tread structure into a plurality of tread blocks 5, the ability of the tread structure to hit and cut the water film is further improved, and the stiffness of the entire tread region 3 is optimized, which is beneficial to the cornering performance of the tire on the urban pavement and improves the passenger comfort; at the same time, the sub-grooves 4 are communicated with the adjacent main grooves 1, so that a drainage network is formed in the entire tread region 3, which can quickly drain water, greatly improving the drainage performance of the tread structure. During driving, the tread structure can squeeze the accumulated water between the outer surface of the tire and the ground into the main grooves 1 and the sub-grooves 4, reducing or even removing the accumulated water between the outer surface of the tire and the ground, increasing the area of the tread structure in contact with the ground, improving the wet road handling performance of the tire, and also quickly draining the compressed air, reducing the driving noise and rolling resistance of the tire.
[0039] In some embodiments, as shown in Figure 1 In the plurality of tread blocks 5 in the central tread region 31, a connecting portion 53 is arranged between two adjacent tread blocks 5. In the radial direction of the tire, the size of the connecting portion 53 is smaller than that of the two adjacent tread blocks 5, i.e. in the direction perpendicular to the tire tread, the height of the connecting portion 53 is smaller than that of the two adjacent tread blocks 5. By the above-mentioned arrangement, the central tread region 31 can be prevented from excessive deformation during the start, braking or cornering of the vehicle, the lateral and radial forces between the tread blocks 5 are enhanced, and thus the strength of the entire central tread region 31 is enhanced, ensuring the balance between the rigidity and flexibility of the entire tread structure, which is beneficial to improve the passenger comfort.
[0040] In some embodiments, as shown in Figure 1As shown, the plurality of first drainage patterns 51 are arranged on the tread blocks 5 in the second direction X2, and the width of the first drainage patterns 51 arranged on the tread blocks 5 in the central tread area 31 is 0.4mm-2.0mm. The width of the first drainage patterns 51 arranged on the tread blocks 5 in the side tread area 32 is 0.5mm-5.5mm.
[0041] The first drainage pattern 51 can be a wavy curve pattern, a straight line pattern or a broken line pattern. In this embodiment, the first drainage pattern 51 is a wavy curve pattern. The length of the first drainage pattern 51 is effectively increased, the water absorption and drainage performance is effectively improved, and the wet grip performance of the tread structure is improved. Figure 1 As shown, the tread secondary groove 4 of the side tread area 32 points from the lower left to the upper right, and the first drainage pattern 51 of the side tread area 32 also points from the lower left to the upper right. The tread secondary groove 4 of the central tread area 31 points from the upper left to the lower right, and the first drainage pattern 51 of the central tread area 31 also points from the upper left to the lower right. The first drainage pattern 51 is in communication with the adjacent main groove 1.
[0042] In the above tread structure, the plurality of first drainage patterns 51 are arranged on the tread blocks 5 in the second direction X2, and the first drainage patterns 51 are in communication with the adjacent main groove 1. The surface of the tread block 5 and the adjacent main groove 1 form a small drainage network, the drainage capacity of the surface of the tread block 5 is improved, the drainage performance of the entire tread structure is further improved, and the wet handling performance of the tire is improved.
[0043] In some embodiments, in combination with Figure 1 、 Figure 2 As shown, the sharp corner of the tread block 5 at the communication position of the tread secondary groove 4 and the main groove 1 is chamfered to form a chamfer 52. In other words, in this embodiment, the sharp corner of the tread block 5 at the communication position of the tread secondary groove 4 and the main groove 1 is cut to form a chamfer 52, and the width of the chamfer 52 is 1mm-5mm. The width of the chamfer 52 refers to the length of the side of the triangle after the sharp corner of the tread block 5 is cut. Through the above arrangement, the sharp corner of the tread block 5 can be prevented from cracking due to excessive stress concentration, and the wear resistance and safety of the tire during driving are improved.
[0044] In some embodiments, as shown inFigure 1 As shown, the shoulder region 2 is spaced apart by a plurality of shoulder sub-grooves 6 in the second direction X2. The shoulder sub-grooves 6 have a width of 1mm-10mm.
[0045] The extension direction of the shoulder sub-grooves 6 is parallel to or at an angle to the first direction X1. When the shoulder sub-grooves 6 are at an angle to the first direction X1, the angle is for example 30°, 45°, 60°, etc. The end of the shoulder sub-grooves 6 close to the tire side wall is in communication with the outside. In other words, each of the shoulder sub-grooves 6 in the shoulder region 2 only penetrates one side wall of the shoulder region 2 away from the tread region 3, and does not penetrate the side wall of the shoulder region 2 close to the tread region 3. The plurality of shoulder sub-grooves 6 divide each shoulder region 2 into a plurality of shoulder blocks 7 connected in sections. It can be understood that the shoulder blocks 7 also form sharp corners at the position where the shoulder sub-grooves 6 are in communication with the outside, so that the shoulder blocks 7 also have more corner structures.
[0046] Through the above arrangement, the shoulder region 2 is divided into a plurality of shoulder blocks 7 by the shoulder sub-grooves 6, which improves the ability of the shoulder region 2 to cut water film, optimizes the stiffness of the entire shoulder region 2, ensures the balance of rigidity and softness of the entire tread structure, is conducive to improving the comfort of the passenger, and at the same time reduces the tire running noise and rolling resistance. In addition, the plurality of shoulder sub-grooves 6 can improve the water storage and drainage capacity of the shoulder region 2. When driving on a wet road section, the water in the shoulder region 2 can be squeezed into the shoulder sub-grooves 6, reducing or even eliminating the water between the outer surface of the tire and the ground, thereby increasing the contact area between the tread structure and the ground and increasing the tire grip.
[0047] In some embodiments, as shown in Figure 1 The shoulder blocks 7 are spaced apart by a plurality of second drainage patterns 71 in the second direction X2. The second drainage patterns 71 have a width of 0.4mm-2.5mm. Like the first drainage patterns 51, the second drainage patterns 71 are for example wavy curve patterns, but can also be straight line patterns or broken line patterns, which are not limited here. The extension direction of the second drainage patterns 71 is parallel to or at an angle to the extension direction of the shoulder sub-grooves 6. When the extension direction of the second drainage patterns 71 is at an angle to the extension direction of the shoulder sub-grooves 6, the angle is for example 30°, 45°, 60°, etc. The second drainage patterns 71 are in communication with the adjacent main grooves 1. Through the above arrangement, the surface of the shoulder blocks 7 and the adjacent main grooves 1 form a fine drainage network, which improves the drainage capacity of the surface of the shoulder blocks 7 and further improves the drainage performance of the entire tread structure, and improves the wet road handling performance of the tire.
[0048] In some embodiments, as shown in Figure 1As shown, the shoulder block 7 includes a first region S1 and a second region S2 arranged at an angle in the first direction X1, the second region S2 is close to the above-mentioned tread region 3 and contacts the ground, and the above-mentioned second drainage pattern 71 is arranged in the second region S2. The first region S1 is provided with a shoulder groove 72, and the width of the shoulder groove 72 is 1mm-10mm. A plurality of second drainage patterns 71 in each second region S2 converge at the shoulder groove 72 away from one end of the main groove 1. It can be understood that, in normal driving, the second region S2 of the shoulder block 7 contacts the ground, so that the second drainage pattern 71 contacts the ground, and the accumulated water can flow along the second drainage pattern 71 to the shoulder groove 72, thereby improving the drainage capacity of the surface of the shoulder block 7, and improving the appearance of the tire side; and when the tire is in a special situation (such as when the vehicle load is too large or emergency steering is performed), the first region S1 of the shoulder block 7 can contact the ground, and at this time, the shoulder groove 72 arranged in the first region S1 can contact the ground, thereby also achieving the water storage function. Through the above arrangement, the drainage capacity of the second drainage pattern 71 can be improved, and the contact area between the outer surface of the tire and the ground can be improved in special situations, thereby improving the wet road handling performance of the tire.
[0049] In some embodiments, as Figure 1 As shown, the shoulder region 2 is arranged with a plurality of shoulder short grooves 8 in the second direction X2, and the shoulder short groove 8 is arranged on the side wall of the shoulder region 2 close to the tread region 3. In the first direction X1, the plurality of shoulder short grooves 8 are arranged one by one corresponding to the plurality of shoulder sub-grooves 6. One end of the shoulder short groove 8 close to the tread region 3 is in communication with the main groove 1, and the other end is arranged in the corresponding shoulder sub-groove 6. Through the above arrangement, the side corner structure is formed on the side wall of the shoulder region 2 close to the tread region 3, which further improves the ability of the entire tread structure to beat and cut the water film, and the shoulder short groove 8 and the shoulder sub-groove 6 are arranged one by one, which can further balance the rigidity and softness of the entire tread structure, which is beneficial to improve the comfort of the passenger.
[0050] On the other hand, the embodiment provides a tire, and an outer surface of the tire is provided with the tread structure described in any one of the above embodiments. By adopting the tread structure described in any one of the above embodiments, the tire has good wet road grip performance, which can improve the handling performance of the tire when driving on wet roads, thereby improving the driving experience of the driver and the riding experience of the passenger.
[0051] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.
Claims
1. A tread structure, characterized in that: The tread structure comprises: A plurality of main grooves (1), the plurality of main grooves (1) are arranged at intervals along a first direction (X1) and the main grooves (1) extend along a second direction (X2), the first direction (X1) being the width direction of the tire, and the second direction (X2) being the circumferential direction of the tire; the plurality of main grooves (1) divide the outer surface of the tire into two shoulder areas (2) arranged along the first direction (X1) and a plurality of tread areas (3) located between the two shoulder areas (2); The plurality of tread regions (3) include a central tread region (31) and side tread regions (32) located between the central tread region (31) and the shoulder regions (2); The main groove (1) between two adjacent tread areas (3) is a broken line groove.
2. The tread structure according to claim 1, characterized in that: A first protrusion (311) and a first notch (312) are provided on a side wall of the central tread region (31) close to the side tread region (32), and a second notch (321) and a second protrusion (322) are provided on a side wall of the side tread region (32) close to the central tread region (31); The first protrusion (311) and the first notch (312) can be combined with the second notch (321) and the second protrusion (322) to form the folded line groove.
3. The tread structure according to claim 2, characterized in that: A plurality of tread auxiliary grooves (4) are arranged at intervals along the second direction (X2) on each tread region (3), and the extension direction of the tread auxiliary grooves (4) is arranged at an angle to the first direction (X1); the extension direction of the tread auxiliary grooves (4) of the central tread region (31) and the extension direction of the tread auxiliary grooves (4) of the side tread region (32) intersect; The tread auxiliary groove (4) is connected to the adjacent main groove (1); a plurality of the tread auxiliary grooves (4) divide each tread area (3) into a plurality of tread pattern blocks (5).
4. The tread structure according to claim 3, characterized in that: A plurality of first drainage patterns (51) are arranged at intervals along a second direction (X2) on the tread pattern block (5); the extension direction of the first drainage pattern (51) is the same as the extension direction of the tread secondary groove (4) in the tread area (3) where the first drainage pattern (51) is located; and the first drainage pattern (51) is connected to the adjacent main groove (1).
5. The tread structure according to claim 3, characterized in that: The tread pattern block (5) forms a sharp angle at a position where the tread auxiliary groove (4) communicates with the main groove (1); and a chamfer (52) is provided at the sharp angle of the tread pattern block (5).
6. The tread structure according to any one of claims 1 to 5, characterized in that: The shoulder region (2) has a plurality of shoulder auxiliary grooves (6) arranged at intervals along the second direction (X2), and the extension direction of the shoulder auxiliary grooves (6) is parallel to or arranged at an angle to the first direction (X1); one end of the shoulder auxiliary grooves (6) close to the sidewall of the tire is connected to the outside world; the plurality of shoulder auxiliary grooves (6) divide each shoulder region (2) into a plurality of partially connected shoulder pattern blocks (7).
7. The tread structure according to claim 6, characterized in that: A plurality of second drainage patterns (71) are arranged at intervals along the second direction (X2) on the shoulder tread block (7); the extension direction of the second drainage pattern (71) is parallel to or arranged at an angle to the extension direction of the shoulder auxiliary groove (6); and the second drainage pattern (71) is connected to the adjacent main groove (1).
8. The tread structure according to claim 7, characterized in that: The shoulder tread block (7) comprises a first area (S1) and a second area (S2) arranged along the first direction (X1) and forming an angle, wherein the second area (S2) is close to the tread area (3) and in contact with the ground; the second drainage pattern (71) is provided in the second area (S2); The first area (S1) is provided with a shoulder groove (72), and a plurality of the second drainage patterns (71) in each second area (S2) converge into the shoulder groove (72) at one end away from the main groove (1).
9. The tread structure according to claim 6, characterized in that: The shoulder region (2) has a plurality of shoulder short grooves (8) arranged at intervals along the second direction (X2), and the shoulder short grooves (8) are arranged on a side wall of the shoulder region (2) close to the tread region (3); in the first direction (X1), the plurality of shoulder short grooves (8) and the plurality of shoulder auxiliary grooves (6) are arranged in a one-to-one correspondence.
10. A tire, characterized in that: The outer surface of the tire is provided with a tread structure according to any one of claims 1 to 9.