Bionic flower type all-terrain tire

Abstract

The invention provides a bionic flower type all-terrain tire which comprises a tread and a sidewall, the tread comprises a central pattern unit and shoulder pattern units, the shoulder pattern units are distributed on two sides of the central pattern unit and are symmetrically arranged, the central pattern unit is of a bionic flower type structure, the central pattern unit comprises a central pattern block and a plurality of petal pattern blocks, and the petal pattern blocks are arranged in the central pattern block. The shoulder pattern units comprise first Y-shaped pattern blocks and second L-shaped pattern blocks, and the ends, close to the ground plane line, of the first pattern blocks and the second pattern blocks are each of a concave-convex structure in the longitudinal direction; the snowfield traction performance, the dry wetland braking performance, the dry wetland control performance and the off-road performance of the tire are improved while the attractiveness is guaranteed, the tire passes an ASTM F1805 snowfield traction test, the high snowfield traction performance is achieved, meanwhile, the dry land control performance, the wet land braking performance, the dry land braking performance, the wet land control performance and the off-road performance of the tire are all superior to those of a certain well-known brand, and the tire is worthy of popularization and application. And the three components are respectively 100.9%, 102.5%, 101.2%, 100.2% and 103.4% of the brand.

Description

Technical Field

[0001] The invention relates to the technical field of tires, in particular to a bionic flower-type all-terrain tire. Background Art

[0002] In the current context of global climate change and increasingly diversified transportation needs, North America, especially its northeastern and northern regions, has more stringent and special requirements on the performance of tire products due to severe winters and frequent snowfall. In order to fully ensure the driving safety and stability of vehicles under extremely harsh weather conditions, it is urgent to develop a tire product that integrates multiple excellent performances - a four-season tire with 3PMSF (Three Peak Mountain Snowflake) certification.

[0003] As an internationally recognized winter tire performance standard, 3PMSF certification means that the tire has excellent traction and handling performance in extreme road conditions such as snow and ice. Tires that obtain this certification must pass a series of rigorous and comprehensive tests, among which the ASTM F1805-20 snow traction test is a crucial one. The ASTM F1805-20 standard specifies the test methods, processes and evaluation indicators in detail, aiming to simulate the real snow environment and accurately evaluate the tire's grip, braking performance and handling stability on the snow. Only tires that successfully pass this test can be awarded 3PMSF certification, thereby providing consumers with reliable safety protection for winter travel.

[0004] Existing tire products cannot meet the use requirements of areas with severe winters and frequent snowfall, such as North America, and have poor snow traction performance, dry and wet braking performance, dry and wet handling performance, and off-road performance. Insufficient snow traction performance will result in the tire being unable to provide sufficient grip, increasing the risk of loss of control, and will also lead to longer braking distances, which can easily lead to rear-end collisions and other accidents; poor dry and wet braking performance will lead to reduced tire braking efficiency, inability to slow down or stop in time, and wet hydroplaning. The tire has poor drainage performance and is prone to forming a water film, causing the vehicle to lose control, or even skid or roll over; poor dry and wet handling performance will lead to reduced handling stability, insensitive steering and slow response of the vehicle, and increased risk of skidding; insufficient off-road performance will limit the vehicle's passability, making it very easy to get stuck in mud, sand or snow, unable to get out, and increase the risk of chassis damage.

[0005] Therefore, North America urgently needs to develop a rough product with larger bead spacing, deeper grooves, non-linear main grooves, and an all-terrain tire product with 3PMSF. This product must pass the ASTM F1805-20 snow traction test and have good dry / wet braking performance, dry / wet handling performance and off-road performance. Summary of the invention

[0006] The purpose of the present invention is to solve the deficiencies of the above-mentioned technology and provide a bionic flower-type all-terrain tire.

[0007] To this end, the present invention provides a bionic flower-type all-terrain tire, including a tread and a sidewall, the tread including a central pattern unit and a shoulder pattern unit, the shoulder pattern units are distributed on both sides of the central pattern unit and are symmetrically arranged, the central pattern unit presents a bionic flower-type structure, the central pattern unit includes a central pattern block and a plurality of petal pattern blocks, the plurality of petal pattern blocks are radially arranged after rotating around the central pattern block, the shoulder pattern unit includes a Y-type pattern block 1 and an L-type pattern block 2, and the ends of the pattern block 1 and the pattern block 2 close to the ground contact line longitudinally present a concave and a convex structure.

[0008] Preferably, the central pattern block is in an upwardly inclined double Z-shaped structure, the two Z-shaped structures have different inclination angles, the end of the central pattern block is arranged in a multi-step manner, and a groove one is provided on the periphery of the central pattern block, and the groove one separates the petal pattern block and the central pattern block.

[0009] Preferably, the petal pattern blocks include a slender pattern block three and a short and thick pattern block four, the pattern block three and the pattern block four are separated by a groove two, the side of the pattern block three facing the central pattern block and the side of the pattern block four facing the pattern block three are both provided with a groove three with a trapezoidal cross-section, the front end of the pattern block three is a step-locking structure, and the side of the pattern block four close to the pattern block three is a concave-convex structure.

[0010] Preferably, a zigzag groove four is arranged between the pattern block three and the pattern block five and the pattern block one and the pattern block two, a groove five is arranged between the pattern block one and the pattern block two, a reinforcing rib one is arranged at the connection between the groove five and the groove four, and the groove four and the groove five are both provided with elastic ribs adapted thereto.

[0011] Preferably, a groove six is ​​provided on one side of the pattern block one facing the groove four, and the depth of the groove six at one end close to the groove four is 1 / 2 of the depth of the pattern groove, and the depth at the other end is 2-3 mm.

[0012] Preferably, the end of the pattern block 1 away from the groove 4 is provided with a downwardly inclined oblique groove area and a rectangular groove area in sequence, the horizontal distance of the slope of the oblique groove area is 3-6mm, the horizontal distance of the slope of the rectangular groove area is 6-8mm, and the oblique groove area and the rectangular groove area are distributed on both sides of the ground contact surface line.

[0013] Preferably, the outer sides of the pattern block 2 and the rectangular groove area are both connected with pattern block 5, a cross-shaped groove 6 is provided at the center of the pattern block 5, and the vertical cross-section of the groove 6 is V-shaped.

[0014] Preferably, the sidewall is provided with a sidewall pattern unit, and the sidewall pattern unit includes pattern block six and pattern block seven, the pattern block six is ​​connected to the pattern block five, the pattern block six is ​​a shoe-shaped structure, the pattern block six is ​​provided with a groove adapted thereto, a plurality of steps are provided at the bottom of the pattern block six, some of the steps are staggered, the height difference between the steps and the pattern block six is ​​1.5-2mm, the two ends of the pattern block seven are respectively connected to the top inclined surface of the pattern block six and the pattern block five, and the height difference between the pattern block six and the pattern block seven is 1.5-2mm.

[0015] Preferably, a pattern block eight is arranged between adjacent pattern blocks six, and the pattern block eight includes an upper pattern block and a lower pattern block, the upper pattern block is connected to the end of the lower pattern block, the height difference between the upper pattern block and the lower pattern block is 1.5-2mm, and the top of the upper pattern block is connected to the stone rib in the groove five through the reinforcing rib two.

[0016] Preferably, the tread is provided with steel sheets of different shapes, the steel sheets occupy 65%-73% of the groove depth, the steel sheets include reinforced steel sheets, the petal pattern blocks and the shoulder pattern units both adopt the reinforced steel sheets, and the reinforced steel sheets are of a glasses-like structure.

[0017] The beneficial effects of the present invention are as follows: the present invention provides a bionic flower-type all-terrain tire, which has the following beneficial effects.

[0018] ⑴ This tire uses flower-like bionic design language, combined with multiple irregular grooves and tread blocks of different shapes, to ensure the appearance while improving the tire's snow traction performance, dry and wet braking performance, dry and wet handling performance and off-road performance. This tire has fully passed the ASTM F1805-20 snow traction test and has strong snow traction performance. At the same time, its dry handling, wet braking, dry braking, wet handling and off-road performance are better than a well-known international brand, which are 100.9%, 102.5%, 101.2%, 100.2% and 103.4% of a well-known international brand respectively;

[0019] ⑵The high-density, multi-type zigzag steel plate design can improve the rigidity of the tire while reducing the strain and stress caused by intense driving, improving the tire's snow grip and traction performance, and more smoothly passing the ASTM F1805 snow traction test;

[0020] ⑶ The tire of the present application has a variety of groove designs, which not only has strong grip off-road performance on muddy ground, gravel roads, etc., but also can reduce pump noise and improve driving comfort. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 is an expanded view of the bionic flower-type all-terrain tire pattern in this embodiment;

[0022] Figure 2 is a schematic structural diagram of a central pattern unit in this embodiment;

[0023] Figure 3 is a schematic structural diagram of a sidewall pattern unit in this embodiment;

[0024] Figure 4 1 is a schematic diagram of the front three-dimensional structure of the bionic flower-type all-terrain tire in this embodiment;

[0025] Figure 5 yes Figure 4 A magnified view of the center pattern unit;

[0026] Figure 6 is a schematic diagram of the side three-dimensional structure of the bionic flower-type all-terrain tire in this embodiment;

[0027] Figure 7 yes Figure 6 A magnified view of the middle sidewall tread unit;

[0028] Figure 8 Schematic diagram of the structure of the reinforced steel sheet in this embodiment;

[0029] Fig. 9 Schematic diagram of the structure of steel sheet 1 in this embodiment;

[0030] Fig.10 is a profile diagram of the bionic flower-type all-terrain tire in this embodiment;

[0031] Fig.11 1 is a footprint diagram of the bionic flower-type all-terrain tire in this embodiment.

[0032] Markings in the figure: 1, tread; 11, center pattern unit; 111, center pattern block; 112, petal pattern block; 12, shoulder pattern unit; 121, pattern block one; 122, pattern block two; 2, sidewall; 3, ground contact line; 4, groove one; 5, pattern block three; 6, pattern block four; 61, left block; 62, right block; 7, groove two; 8, groove three; 9, step lock structure; 10, groove four; 13, groove five; 131, upper groove; 132, lower groove; 14, reinforcing rib one; 15, stone rib; 16, groove six; 17, oblique groove area ; 18. Rectangular groove area; 19. Pattern block five; 20. Groove seven; 21. Sidewall pattern unit; 22. Pattern block six; 23. Pattern block seven; 24. Groove; 25. Step; 251. Step one; 252. Step two; 253. Step three; 26. Pattern block eight; 27. Upper pattern block; 28. Lower pattern block; 29. ​​Reinforcement rib two; 30. Steel sheet; 301. Reinforced steel sheet; 31. Pattern block nine; 32. Pattern block ten; 33. Longitudinal groove; 34. Steel sheet one; 341. Long strip one; 342. U-shaped sheet one; 35. Steel sheet two; 36. Groove body. DETAILED DESCRIPTION

[0033] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments to help understand the content of the present invention. The methods used in the present invention are all conventional methods unless otherwise specified; the raw materials and devices used are all conventional commercial products unless otherwise specified.

[0034] Example:

[0035] like Figures 1 to 11 As shown, the present invention provides a bionic flower-type all-terrain tire, including a tread 1 and a sidewall 2, wherein the tread 1 includes a central pattern unit 11 and a shoulder pattern unit 12, wherein the shoulder pattern units 12 are distributed on both sides of the central pattern unit 11 in a centrally symmetrical arrangement (since the central pattern unit 11 is generated by rotating a plurality of petal pattern blocks 112 around the central pattern block 111, the symmetrical positions of the shoulder pattern units 12 on both sides of the central pattern unit 11 may be misaligned to a certain extent).

[0036] like Figure 2 and Figure 5 As shown, the central pattern unit 11 has a bionic flower-like structure, and the central pattern unit 11 includes a central pattern block 111 and four petal pattern blocks 112. The four petal pattern blocks 112 rotate around the central pattern block 111 and spread out radially, just like when a flower blooms, the petals stretch from the core to the surrounding areas, giving people a dynamic and tense visual experience, with a power to expand outward, showing a unique rhythm and beauty.

[0037] The central pattern block 111 presents an upwardly inclined double Z-shaped structure, and the central pattern block 111 includes a pattern block nine 31 and a pattern block ten 32. The pattern block nine 31 and the pattern block ten 32 are both U-shaped structures. The pattern block nine 31 is rotated 180° around the center point of the central pattern unit 11 to obtain the pattern block ten 32. The edges of the pattern block nine 31 and the pattern block ten 32 are interlocked, so that their outer contour presents a first Z-shaped structure.

[0038] After the pattern block 9 31 and the pattern block 10 32 are engaged, a small longitudinal groove 33 is formed in the middle, and the depth of the longitudinal groove 33 is 2.8-4.0mm, in order to improve the snow traction performance and wet performance. The top and bottom of the longitudinal groove 33 are respectively connected with a staggered steel sheet 1 34, and the depth of the steel sheet 1 34 accounts for 60%-65% of the groove depth of the pattern. The groove depth of the pattern in this embodiment is 12.7mm. The steel sheet 1 34 includes a long strip 1 341 and a U-shaped sheet 1 342. The U-shaped sheet 1 342 is installed below the long strip 1 341 and is symmetrically arranged along the midline of the long strip 1 341. The two ends of the long strip 1 341 are respectively 3mm beyond the top of the U-shaped sheet 1 342, the height of the long strip 1 341 is 2mm, the inclination angle between the U-shaped sheet 1 342 and the long strip 1 341 is 30°, and the bottom chamfer radius of the U-shaped sheet 1 342 is 3.5mm. The steel sheet 34 and the longitudinal groove 33 are combined to form a second Z-shaped structure.

[0039] The two Z-shaped structures have different inclination angles, which echo each other to form a certain design angle, with strong shear stress, which greatly helps the wet handling performance. After comparison and verification with the international T brand, the wet handling performance is 100.2% of the international T brand.

[0040] The unengaged ends of the pattern blocks nine 31 and ten 32 are arranged in a triangular three-step pattern. The three steps gradually shrink in area and decrease in height from top to bottom. The height difference between the steps is 2.5-3.5mm, which provides more favorable assistance to the driving grip and off-road performance of the tire center.

[0041] Parallel steel sheets 35 are provided on the pattern blocks 9 31 and 10 32, and the depth of the steel sheets 35 accounts for 60%-65% of the total pattern depth. The inclination angles of the outer contours of the steel sheets 35, the steel sheets 1 34 and the center pattern block 111 are different, thereby further enhancing the grip performance of the center pattern block 111, especially on wet or icy roads. Different steel sheet angles can better embed into the ground, provide stronger grip, and further enhance the handling stability of the tire, optimize the rigidity distribution of the tire, and optimize the wear resistance of the tire.

[0042] The periphery of the central pattern block 111 is provided with a zigzag groove 4, which separates the petal pattern block 112 from the central pattern block 111 to enhance the drainage, mud and snow removal performance. The depth and width of the groove 4 are both gradually changed, and the end close to the pattern block 3 5 is narrow and shallow, with a depth of 2mm-3mm. The end close to the pattern block 4 6 is deeper, and its depth accounts for about 1 / 2 of the entire pattern groove depth.

[0043] like Figure 2 , Figure 4 and Figure 5 As shown, the petal pattern block 112 includes an elongated pattern block 3 5 and a short and thick pattern block 4 6, and the pattern block 3 5 and the pattern block 4 6 are separated by a groove 2 7. The pattern block 3 5 is an arc-shaped structure, which is arranged around the central pattern block 111. The side of the pattern block 3 5 facing the central pattern block 111 and the side of the pattern block 4 6 facing the pattern block 3 5 are both provided with a groove 3 8 with a trapezoidal cross section. The depth of the groove 3 8 accounts for about 1 / 2 of the depth of the entire pattern groove, thereby ensuring the rigidity of the entire pattern block.

[0044] The groove three 8 on the tread block four 6 is zigzag, with its top arranged toward the center tread block 111. During the rotation of the tire, the edge of the groove three 8 will cut the water film in a more complex way, forming a "micro-serrated effect", thereby enhancing the drainage efficiency.

[0045] The front end of the pattern block three 5 is a step lock structure 9, and the height of the step lock structure 9 is raised 4.0-5.0 mm from the bottom of the groove, so that it forms a step-like structure with the pattern block three 5, the purpose is to ensure the rigidity, control, off-road grip and stone self-cleaning function of the pattern block.

[0046] The side of the pattern block 46 close to the pattern block 35 is a concave-convex structure. The pattern block 46 is composed of a left block 61 and a right block 62. The left block 61 and the right block 62 are divided by the right edge line of the groove 38 on them. The bottom of the left block 61 presents a concave structure compared with the right block 62, while the right block 62 presents a convex structure, so as to avoid local stress concentration and enhance the grip and escape ability of the pattern block 35.

[0047] The remaining two petals of the four petal pattern blocks 112 are obtained by rotating the pattern blocks three 5 and four 6 around the center point of the central pattern block 111 by 180°, thus forming a flower-like structure with a flower core (central pattern block 111) and four petals (petal pattern blocks 112). The height of the groove of the central pattern unit 11 is raised by 1mm compared with the shoulder pattern unit 12, making it more solid. The blocks are connected to each other to meet the rigidity of the entire pattern block and reduce the large deformation of the pattern block, ensuring the dry braking and handling performance of the tire. After comparison and verification with the international T brand, the dry braking performance is 101.2% of the international T brand, and the dry handling performance is 100.9% of the international T brand (as shown in Table 1).

[0048] like Figure 1 , Figure 4 and Figure 5 As shown, the shoulder pattern unit 12 includes a Y-shaped pattern block 1 121 (large) and an L-shaped pattern block 2 (small) 122, and a zigzag groove 4 10 is provided between the pattern block 3 5 and the pattern block 4 6 and the pattern block 1 121 and the pattern block 2 122. The groove 4 10 between the pattern block 4 6 and the pattern block 2 122 is raised 1.5-2.5mm from the bottom of the groove, and the two form a whole, so that the pattern block layout of the entire tire tread is more compact, the overall rigidity of the tire is improved, and the creep deformation of the tire is reduced during driving, braking, and steering. After comparison and verification with the international T brand, the off-road performance is 103.4% of the international T brand (as shown in Table 1), and the off-road performance includes gravel road performance, dirt road performance, mud performance, etc.

[0049] A groove 5 13 is arranged between the pattern block 1 121 and the pattern block 2 122. The groove 5 13 includes an upper groove 131 and a lower groove 132. The upper groove 131 is arranged between the pattern block 1 121 in the previous shoulder pattern unit 12 and the pattern block 2 122 in the current shoulder pattern unit 12; the lower groove 132 is arranged between the pattern block 2 122 and the pattern block 1 121 in the current shoulder pattern unit 12. The front end of the upper groove 131 is bent upward, the bending angle is roughly the same, and the rear end area is gentle. The front end of the lower groove 132 is bent downward, the bending angles of the top and bottom are different, and the front end is tightened, and the rear end gradually widens and tends to be parallel.

[0050] A reinforcing rib 14 is provided at the connection point between the groove 5 13 and the groove 4 10, that is, a reinforcing rib 14 is installed at the front end of the upper groove 131 and the lower groove 132, so that they are in a semi-closed state, thereby ensuring the overall strength of the pattern block 121 and the pattern block 2 122.

[0051] The groove four 10 and the groove five 13 are both provided with matching rock-elastic ribs 15, with a uniform height of 2.0mm-2.5mm. The purpose is to ensure the snow and water discharge functions of the lateral grooves. The semi-closed groove design can well reduce pump noise, and also has strong grip off-road performance and cleaning function on mud and gravel roads.

[0052] The tread block 121 is provided with a groove 6 16 on one side facing the groove 4 10, and the depth of the groove 6 16 at one end close to the groove 4 10 is greater than the depth at the other end. Specifically, the depth of the groove 6 16 close to the groove 4 10 accounts for about 1 / 2 of the depth of the entire tread groove, and the depth at the other end is 2-3 mm, in order to enhance the gripping and rock climbing ability and the mute function of the tread block.

[0053] like Figure 5 As shown, the ends of the pattern block 121 and the pattern block 2 122 close to the ground contact surface line 3 present a concave and a convex structure in the longitudinal direction. Specifically, the end of the pattern block 121 away from the groove 4 10 is sequentially provided with a downwardly inclined oblique groove area 17 and a rectangular groove area 18, the horizontal distance of the slope of the oblique groove area 17 is 3-6 mm, the horizontal distance of the slope of the rectangular groove area 18 is 6-8 mm, and the oblique groove area 17 and the rectangular groove area 18 are distributed on both sides of the ground contact surface line 3.

[0054] like Figure 6 and Figure 7 As shown, the outer sides of the tread block 2 122 and the rectangular groove area 18 are connected with a tread block 5 19, the upper surface of the tread block 5 19 protrudes 2 mm from the tire surface, a cross-shaped groove 7 20 is provided at the center of the tread block 5 19, the depth of the groove 7 20 is 2 mm, and the vertical section of the groove 7 20 is V-shaped, so as to enhance the rock climbing and escape ability of the shoulder of the tread block.

[0055] like Figure 1 , Figure 3 , Figure 6 and Figure 7As shown, the sidewall 2 is provided with a sidewall pattern unit 21, and the sidewall pattern unit 21 as a whole presents a very modern deconstructionist style, and the lines are interlaced and cut in irregular geometric forms, forming a dynamic and tense visual effect. The sidewall pattern unit 21 includes a pattern block 6 22 and a pattern block 7 23, and the pattern block 6 22 and the pattern block 7 23 are one long and one short, and are interlaced in an irregular form. The pattern block 6 22 is connected to the pattern block 5 19, and the pattern block 6 22 is a downwardly inclined shoe-shaped structure. The pattern block 6 22 is provided with a groove 24 adapted thereto, and the depth of the groove 24 accounts for 70%-75% of the depth of the sidewall pattern unit 21, wherein the depth of the sidewall pattern unit 21 is 4mm.

[0056] The bottom of the pattern block 6 22 is provided with three steps 25, the steps 25 include step 1 251, step 252 and step 3 253, step 1 251 and step 252 are provided at the concave end of the pattern block 6 22, step 3 253 is provided at the convex end of the pattern block 6 22, step 252 and step 3 253 are arranged in a staggered manner, and the height difference between the above-mentioned steps 25 and the pattern block 6 22 is 1.5-2mm. The two ends of the pattern block 7 23 are respectively connected to the top inclined surface of the pattern block 6 22 and the pattern block 5 19, and the height difference between the pattern block 6 22 and the pattern block 7 23 is 1.5-2mm.

[0057] A closed groove 36 is formed between the tread block 6 22 and the tread block 7 23 . The design of the step 25 and the groove 36 is mainly to increase the grip and escape ability of the tire on rocky cliffs and muddy ground.

[0058] like Figure 3 and Figure 7 As shown, a pattern block eight 26 is arranged between the adjacent pattern blocks six 22. The pattern block eight 26 adopts a "lion looking into the distance" style. The pattern block eight 26 includes an upper pattern block 27 and a lower pattern block 28. The upper pattern block 27 is connected to the end of the lower pattern block 28. The height difference between the upper pattern block 27 and the lower pattern block 28 is 1.5-2mm. The top of the upper pattern block 27 is connected to the rock-repelling rib 15 in the groove five 13 through a reinforcing rib two 29 to form a whole. While ensuring the rock climbing ability, it can also take into account the bionic language.

[0059] like Figure 8 and Fig. 9As shown, the tread 1 is provided with steel sheets 30 of different shapes, and the steel sheets 30 account for 65%-73% of the groove depth. The steel sheets 30 include reinforced steel sheets 301. The petal pattern blocks 112 and the shoulder pattern units 12 both use the reinforced steel sheets 301. The reinforced steel sheets 301 are of a glasses-like structure. While meeting the depth requirements, the reinforced steel sheets 301 are designed with a bulge of 3.0mm-4.0mm in height and about 5mm in width at the center, in order to ensure the snow traction performance of the tire. The entire tire can be completely in contact with the snow surface, and combined with the Tg point in the range of -50°C, which is lower than the severe winter characteristics of -45°C, after the snow traction test, the traction index was measured to be 126.3 (as shown in Tables 2 and 3), and it fully passed the ASTM F1805 snow test.

[0060] like Fig.10 and Fig.11 As shown in Figure 1, the width of the tire's contact area is increased by 7%-9%, increasing the drainage volume. The arc length and arc radius of the profile are optimized to ensure that the tire's contact area is square (such as Fig.11 As shown in the figure, the tire has a sufficiently large effective contact area, which is used to improve the tire's wet braking performance, snow removal and traction performance. After comparison and verification with the international T brand, the wet braking performance is 102.5% of the international T brand. The sidewall pattern unit 21 on the profile is 3.5mm-4.0mm higher than the profile surface, and the height is increased by 0.5mm-1.0mm compared with the previous one, which increases the tire sidewall's ability to escape and climb when off-road.

[0061] Table 1

[0062]

[0063] Table 2 ASTM F1805-20 Snow Traction Test Data

[0064] Specification result average value Limits A bionic flower-shaped all-terrain tire 124.9,127.6 126.3 112

[0065] Table 3

[0066]

[0067] Table 1 is a comparison of the bionic flower-type all-terrain tire of the present application with the international T brand in dry handling, wet braking, dry braking, wet handling and off-road performance. As can be seen from Table 1, the dry handling of the bionic flower-type all-terrain tire is better than that of the international T brand, with a score of 7.00+; the bionic flower-type all-terrain tire is better than the international T brand in wet braking, dry braking, wet handling and off-road performance, which are 102.5%, 101.2%, 100.2% and 103.4% of the international T brand respectively.

[0068] Table 2 shows the ASTM F1805-20 snow traction test data of the bionic flower-shaped all-terrain tire of the present application. The traction index of the tire is 124.9 and 127.6, with an average value of 126.3, while the limit value of ASTM F1805 is 112, indicating that all the above products have passed the ASTM F1805 snow test, have strong snow traction performance, and can meet the tire use needs in winter snowy areas such as North America.

[0069] Table 3 shows the test data of the bionic flower-type all-terrain tire of the present application in terms of normal temperature Shore A hardness and DMA temperature scanning. It can be seen from Table 3 that the Tg point of the tire is -50.7°C, which meets the temperature range requirements of all-season tires in North America and other regions. At the same time, combined with the E*-25°C data, the data has the lowest value at -25°C, indicating that the tire can better fit the snow surface in a microscopic state, increase the friction with the snow surface, and improve traction.

[0070] The tire surface of the present application uses a "flower-like" bionic design language, which derives irregular groove forms and different forms of pattern block designs, which improve the tire's dry handling performance, wet handling performance and off-road performance while ensuring aesthetics. Off-road performance includes: acceleration, braking, S-shaped routes, mud escape, "8"-shaped circles on dirt roads; ordinary 70%, 90% climbing and hump slopes, etc. Different forms of straight and curved steel sheets are designed in the entire pattern, and a reinforced steel sheet 301 design is used, mainly to ensure the overall rigidity of the tire while meeting the snow traction performance of ASTM F1805-20. The sidewall adopts the "lion looking into the distance" style, which can take into account the bionic language while ensuring rock climbing ability.

[0071] In the description of the present invention, it is necessary to understand that the terms "left", "right", "up", "down", "top", "bottom", "front", "back", "inside", "outside", "back", "middle", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present invention 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 invention.

[0072] However, what is described above is only a specific embodiment of the present invention and should not be used to limit the scope of implementation of the present invention. Therefore, the replacement of equivalent components, or equivalent changes and modifications made according to the scope of protection of the present invention should still fall within the scope covered by the claims of the present invention.

Claims

1. A bionic flower-type all-terrain tire, comprising a tread (1) and a sidewall (2), wherein the tread (1) comprises a central pattern unit (11) and a shoulder pattern unit (12), wherein the shoulder pattern units (12) are distributed on both sides of the central pattern unit (11) and are arranged symmetrically, and characterized in that: The central pattern unit (11) presents a bionic flower-like structure, comprising a central pattern block (111) and a plurality of petal pattern blocks (112), wherein the plurality of petal pattern blocks (112) are arranged radially after rotating around the central pattern block (111), and the shoulder pattern unit (12) comprises a Y-shaped pattern block 1 (121) and an L-shaped pattern block 2 (122), wherein the ends of the pattern block 1 (121) and the pattern block 2 (122) close to the ground contact line (3) longitudinally present a concave and a convex structure.

2. The bionic flower-shaped all-terrain tire according to claim 1, characterized in that: The central pattern block (111) is in an upwardly inclined double Z-shaped structure, the two Z-shaped structures have different inclination angles, the end of the central pattern block (111) is arranged in a triangular multi-step manner, and a groove one (4) is arranged on the periphery of the central pattern block (111), and the groove one (4) separates the petal pattern block (112) and the central pattern block (111).

3. The bionic flower-shaped all-terrain tire according to claim 1, characterized in that: The petal pattern block (112) comprises a slender pattern block three (5) and a short and thick pattern block four (6); the pattern block three (5) and the pattern block four (6) are separated by a groove two (7); a groove three (8) with a trapezoidal cross section is provided on the side of the pattern block three (5) facing the central pattern block (111) and the side of the pattern block four (6) facing the pattern block three (5); the front end of the pattern block three (5) is a step lock structure (9); and the side of the pattern block four (6) close to the pattern block three (5) is a concave-convex structure.

4. The bionic flower-shaped all-terrain tire according to claim 3, characterized in that: A zigzag groove four (10) is provided between the pattern block three (5) and the pattern block four (6) and the pattern block one (121) and the pattern block two (122); a groove five (13) is provided between the pattern block one (121) and the pattern block two (122); a reinforcing rib one (14) is provided at the connection between the groove five (13) and the groove four (10); and a matching rock-elastic rib (15) is provided in both the groove four (10) and the groove five (13).

5. The bionic flower-shaped all-terrain tire according to claim 4, characterized in that: The pattern block one (121) is provided with a groove six (16) on one side facing the groove four (10), and the depth of the groove six (16) close to one end of the groove four (10) is greater than the depth of the other end.

6. The bionic flower-shaped all-terrain tire according to claim 4, characterized in that: An end of the pattern block 1 (121) away from the groove 4 (10) is provided with a downwardly inclined oblique groove area (17) and a rectangular groove area (18) in sequence, the horizontal distance of the slope of the oblique groove area (17) being 3-6 mm, the horizontal distance of the slope of the rectangular groove area (18) being 6-8 mm, and the oblique groove area (17) and the rectangular groove area (18) being distributed on both sides of the ground contact surface line (3).

7. The bionic flower-shaped all-terrain tire according to claim 6, characterized in that: The outer sides of the pattern block 2 (122) and the rectangular groove area (18) are both connected to the pattern block 5 (19), and a cross-shaped groove 7 (20) is opened at the center of the pattern block 5 (19), and the vertical cross-section of the groove 7 (20) is V-shaped.

8. The bionic flower-shaped all-terrain tire according to claim 7, characterized in that: The sidewall (2) is provided with a sidewall pattern unit (21), the sidewall pattern unit (21) comprising a pattern block six (22) and a pattern block seven (23), the pattern block six (22) is connected to the pattern block five (19), the pattern block six (22) is a downwardly inclined shoe-shaped structure, the pattern block six (22) is provided with a groove (24) adapted thereto, a plurality of steps (25) are provided at the bottom of the pattern block six (22), some of the steps (25) are staggered, the height difference between the steps (25) and the pattern block six (22) is 1.5-2mm, the two ends of the pattern block seven (23) are respectively connected to the top inclined surface of the pattern block six (22) and the pattern block five (19), and the height difference between the pattern block six (22) and the pattern block seven (23) is 1.5-2mm.

9. The bionic flower-shaped all-terrain tire according to claim 8, characterized in that: A pattern block eight (26) is arranged between adjacent pattern blocks six (22), and the pattern block eight (26) includes an upper pattern block (27) and a lower pattern block (28), the upper pattern block (27) is connected to the end of the lower pattern block (28), the height difference between the upper pattern block (27) and the lower pattern block (28) is 1.5-2mm, and the top of the upper pattern block (27) is connected to the rock-resilient rib (15) in the groove five (13) through a reinforcing rib two (29).

10. The bionic flower-shaped all-terrain tire according to claim 1, characterized in that: The tread (1) is provided with steel sheets (30) of different shapes, the steel sheets (30) occupy 65%-73% of the groove depth of the tread, the steel sheets (30) include reinforced steel sheets (301), the petal pattern blocks (112) and the shoulder pattern units (12) both use the reinforced steel sheets (301), and the reinforced steel sheets (301) are of a glasses-like structure.

Images