A guide and towing dual-purpose load-carrying radial tire pattern and tire

Abstract

The utility model proposes a guide and towing dual-purpose load-carrying radial tire pattern, which belongs to the field of tire technology, and includes four longitudinal main grooves extending along the circumference of the tread and having the same depth, wherein the longitudinal main grooves include a middle pattern groove and a side pattern groove which are symmetrically arranged, wherein the width of the middle pattern groove is greater than the width of the side pattern groove; the middle pattern groove is in a straight line shape, the groove bottom of the middle pattern groove is in an S shape along the circumference of the tread, and is a full arc structure, and the angle of the middle pattern groove wall changes with the change of the groove bottom S shape; the side pattern groove is in a broken line shape, and a continuous boulders are arranged at the groove bottom of the side pattern groove, the curvature of the boulders is consistent with the curvature of the side pattern groove, and the side wall of the boulders and the groove wall of the side pattern groove adopt a full arc connection transition mode. The utility model improves the wear resistance, durability, anti-slip performance and handling stability of the tire, reduces the probability of abnormal wear and damage of the tire, and prolongs the service life of the tire.

Description

Technical Field

[0001] The utility model belongs to the technical field of tires, and particularly relates to a guide and towing dual-purpose load-carrying radial tire pattern and a tire. Background Art

[0002] With the rapid development of domestic and foreign automobile markets, competition in the tire market is becoming increasingly fierce. Tire companies need to face users and consumers, strive to improve product quality, speed up research and development, expand product categories, and bring higher value to users. In order to improve product competitiveness, tire companies must continuously improve the comprehensive performance of their products and develop tires with better performance to meet market demand.

[0003] Tires are the connecting parts between vehicles and roads. They transmit traction and braking force, ensure good adhesion between wheels and roads, and improve the power, braking and passability of vehicles. Among them, the tread pattern design has a great influence on tire performance and service life, and plays a key role in the handling stability of vehicles. Moreover, as roads develop better and better, and the speed of vehicles is getting higher and higher, the requirements for tire pattern design are becoming more and more stringent.

[0004] Load-carrying tires are subjected to more severe external stresses during use, are more susceptible to wear and damage, and have poor anti-skid performance. Therefore, providing a load-carrying tire with high wear resistance and durability and excellent anti-skid performance is an urgent problem to be solved by technical personnel in this field. Utility Model Content

[0005] 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.

[0006] The utility model provides a guide and towing dual-purpose load-bearing radial tire pattern and tire, which solves the technical problems that the existing load-bearing tires are easily worn and damaged and have poor anti-skid performance, improves the wear resistance, durability, anti-skid performance and handling stability of the tire, reduces the probability of abnormal wear and damage of the tire, and prolongs the service life of the tire.

[0007] The utility model discloses, on the one hand, a guide and towing dual-purpose load-bearing radial tire pattern, comprising four longitudinal main grooves extending along the circumferential direction of the tread and having the same depth, the longitudinal main grooves comprising a middle pattern groove and a side pattern groove which are symmetrically arranged respectively, wherein the width of the middle pattern groove is greater than the width of the side pattern groove; the middle pattern groove is in a straight line shape, the groove bottom of the middle pattern groove is in an S shape along the circumferential direction of the tread, being a full arc structure, and the angle of the groove wall of the middle pattern groove changes with the change of the S shape of the groove bottom; the side pattern groove is in a broken line shape, and a continuous spring block is arranged at the groove bottom of the side pattern groove, the curvature of the spring block is consistent with the curvature of the side pattern groove, and the side wall of the spring block and the groove wall of the side pattern groove adopt a full arc connection transition method.

[0008] In some of the embodiments, the middle groove is 1-2 mm wider than the side groove, the groove bottom width of the middle groove is 2-6 mm, and the angle between the middle groove wall and the circumferential direction of the tread is 10°-30°.

[0009] In some of the embodiments, the angle between the edge pattern groove wall and the tread circumference is 1°-10°, and the height of the rock block at the bottom of the edge pattern groove is 3-6 mm.

[0010] In some of the embodiments, it also includes a central pattern block located at the center line of the tread, a shoulder pattern block located at the shoulder portion, and a middle pattern block located between the central pattern block and the shoulder pattern block, wherein the ratio of the shoulder pattern block width to the middle pattern block width is (1.3-1.5):1.

[0011] In some of the embodiments, a plurality of inclined central steel sheets are arranged on the central pattern block along the circumferential direction of the tread, a plurality of middle steel sheets are arranged on the middle pattern block, the extension direction of the middle steel sheets is the same as that of the central steel sheets, and both the middle steel sheets and the central steel sheets are streamlined 3D steel sheets.

[0012] In some of the embodiments, the width of the central steel sheet is 0.6-1.5mm, the depth of the central steel sheet is 1 / 2-4 / 5 of the depth of the longitudinal main groove, the bending angle of the central steel sheet is 95°-130°, and the bending width of the central steel sheet is 1.5-3mm; the width of the middle steel sheet is 0.6-1.5mm, the depth of the middle steel sheet is 1 / 2-4 / 5 of the depth of the longitudinal main groove, the bending angle of the middle steel sheet is 95°-130°, and the bending width of the middle steel sheet is 1.5-3mm.

[0013] In some of the embodiments, a middle fine groove is arranged between adjacent middle steel sheets on the middle pattern block, and the middle fine groove is S-shaped.

[0014] In some of the embodiments, the shoulder pattern block is provided with a plurality of shoulder fine grooves along the circumferential direction of the tread, the shoulder fine grooves are in an inverted L-shape, the short side of the shoulder fine grooves is connected to the edge pattern grooves, and the other side of the shoulder fine grooves is connected to the short side of the adjacent shoulder fine grooves.

[0015] In some of the embodiments, a plurality of scallop shell bionic heat dissipation grooves are arranged on the outer side of the shoulder pattern block, and a plurality of serrated protrusions are arranged inside the heat dissipation grooves.

[0016] The utility model discloses a tire on the other hand. The tire tread is provided with the above-mentioned dual-purpose guide and towing load-bearing radial tire pattern.

[0017] Compared with the prior art, the beneficial effects of the utility model are:

[0018] (1) The utility model has four longitudinal main grooves of the same depth on the tread, including two straight middle grooves and two broken-line side grooves, which provide the tire with excellent guiding performance and handling stability, while also allowing the tire to have excellent anti-skid performance; the middle groove is wider than the side groove, which reduces the width difference between the middle groove and the side groove after the tire is inflated, so that the tread pressure is evenly transitioned, local uneven wear is prevented, and the wear resistance of the tire is improved; the structural design of the middle groove makes the force distribution of the groove wall in the circumferential direction of the tire more uniform. The tread grooves are evenly distributed, which greatly improves the flexural deformation resistance of the straight tread grooves, reduces the occurrence of cracks at the bottom of the straight tread grooves, and at the same time reduces the noise generated during the tire's driving process, effectively prevents the clamping of stones, and improves the self-cleaning property of the tire; the bottom of the side tread grooves is provided with continuous elastic stones, which improves the rigidity of the entire bottom of the groove, plays a continuous protective role on the bottom of the tire groove, improves the puncture resistance of the bottom of the tire groove, effectively prevents deformation and cracks at the bottom of the tire groove, prevents the clamping of stones and reduces damage to the tire body, making the tire safer, longer in service life, and better in self-cleaning property.

[0019] (2) The utility model optimizes the width ratio of the shoulder pattern blocks to the middle pattern blocks to ensure uniform tread pressure transition, thereby preventing partial wear and effectively improving the tire's mileage.

[0020] (3) The utility model arranges streamlined 3D steel sheets on the central tread block and the middle tread block, so that the tread blocks can form a three-dimensional locking mechanism in the longitudinal, vertical and transverse directions, thereby effectively reducing the deformation and slippage of the tread blocks and avoiding abnormal wear, especially avoiding abnormal wear of the front and rear sides of the tire, thereby greatly improving the wear resistance of the tire; the 3D steel sheets on adjacent tread blocks are staggered in sequence along the horizontal line of the tread, so that the tire is not prone to generate a hard force concentration point when driving, making the pressure distribution of the tire crown in the lateral direction more uniform, avoiding irregular wear of the tire, improving the wear resistance of the tire, and providing the tire with higher grip performance, handling stability and anti-skid performance.

[0021] (4) The utility model provides a plurality of scallop shell bionic heat dissipation grooves on the outer side of the shoulder pattern blocks, thereby increasing the heat dissipation performance of the tire, improving the durability of the tire, and reducing the failure rate of the tire. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] 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:

[0023] Figure 1 A schematic diagram of the structure of the tread pattern of a dual-purpose guide and towing load-carrying radial tire provided by an embodiment of the utility model;

[0024] Figure 2 A schematic diagram of the structure of a guide and towing dual-purpose load-carrying radial tire pattern after a certain mileage provided by an embodiment of the utility model;

[0025] Figure 3 This is a cross-sectional view of the middle groove AA in the embodiment of the utility model;

[0026] Figure 4 This is a cross-sectional view of the edge groove BB of the embodiment of the utility model;

[0027] Figure 5 This is a cross-sectional view of the central steel sheet CC of the embodiment of the utility model;

[0028] Figure 6 This is a cross-sectional view of the heat dissipation slot DD of the embodiment of the utility model;

[0029] In the attached figure: 1, central pattern block, 2, middle pattern groove, 3, middle pattern block, 4, side pattern groove, 5, shoulder pattern block, 6, spring stone block, 7, central steel sheet, 8, middle steel sheet, 9, central fine groove, 10, shoulder fine groove, 11, heat dissipation groove. DETAILED DESCRIPTION

[0030] 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.

[0031] In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "upper", "lower", "inner", "outer" and the like indicate positions or positional relationships based on the positions or positional relationships 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. 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.

[0032] The utility model provides a guide and towing dual-purpose load-carrying radial tire pattern and tire. Figure 1 The figure is a schematic diagram of the structure of the radial tire pattern for both guiding and towing purposes according to the embodiment of the utility model. Figure 1 As shown in the figure, the tread pattern of the dual-purpose radial tire is a symmetrical structure, including four longitudinal main grooves extending along the circumference of the tread and having the same depth, a central pattern block located at the center line of the tread, a shoulder pattern block at the shoulder, and a middle pattern block between the central pattern block and the shoulder pattern block. The design of the four longitudinal main grooves increases the rigidity of the pattern block and improves the wear resistance of the tire. The above tire pattern is suitable for the guide wheel position of medium and long-distance vehicles traveling on expressways and national roads; Figure 2 As shown, after a certain mileage, only four longitudinal main grooves are left due to wear. The handling performance of the tire depends solely on the main grooves, the anti-skid ability is weakened, the safety factor is reduced, but the pattern saturation is improved, and the wear resistance is better when the tire is replaced for use on a wheel tug.

[0033] The longitudinal main grooves of the tread pattern of the guide and towing dual-purpose load-bearing radial tire of the utility model include a middle pattern groove 2 and an edge pattern groove 4 which are symmetrically arranged along the center line of the tread, and the middle pattern groove 2 is 1-2 mm wider than the edge pattern groove 4. The above structure reduces the difference in width between the middle pattern groove and the edge pattern groove after the tire is inflated, so that the tread pressure is evenly transitioned, local uneven wear is prevented, and the wear resistance of the tire is improved.

[0034] like Figure 1 and Figure 3 As shown, the middle groove 2 is straight, the groove bottom of the middle groove 2 is an S-shaped zigzag structure, adopts a full arc design, and the angle of the middle groove wall changes with the change of the S-shape of the groove bottom. The width of the S-shaped groove bottom of the middle groove is 2mm-6mm, and the angle between the middle groove wall and the tread circumferential direction is 10°-30°. The above structural setting makes the force distribution of the middle groove wall along the circumferential direction of the tire more uniform, greatly improves the flexural deformation resistance of the middle groove 2, reduces the occurrence of cracks at the bottom of the middle groove, and can reduce the noise generated during the tire running, effectively prevent stone clamping, and improve the self-cleaning property of the tire.

[0035] like Figure 1 and Figure 4As shown, the edge groove 4 is in a broken line shape, and the angle between the edge groove wall and the tread circumferential direction is 1°-10°. A rock block is arranged at the bottom of the edge groove 4, and the curvature of the rock block is consistent with the curvature of the edge groove and is a coherent structure. The side wall of the rock block and the groove wall of the edge groove 4 adopt a full arc connection transition mode, and the height of the rock block is 3-6mm. Through the arrangement of the above-mentioned rock block, the rigidity of the entire groove bottom is improved, the groove bottom of the tire is protected in a coherent manner, the puncture resistance of the groove bottom of the tire is improved, the deformation and cracking of the groove bottom of the tire is effectively prevented, the stone is prevented from being clamped, and the damage to the tire body is reduced, so that the tire is safer, the service life is longer, and the self-cleaning property is better.

[0036] The utility model dual-purpose guide and towing load-carrying radial tire has a tread pattern with two straight grooves in the middle and two slightly curved folded grooves on the sides, so that the tire has excellent guiding performance and handling stability, and at the same time the tire has excellent anti-slip performance.

[0037] The tread pattern of the guide and towing dual-purpose load-carrying radial tire of the utility model further includes a central tread block 1 located at the center line of the tread, a shoulder tread block 5 at the shoulder portion, and a middle tread block 3 between the central tread block 1 and the shoulder tread block 5, wherein the shoulder portion adopts a closed circumferentially continuous design, and the ratio of the shoulder tread block width W1 to the middle tread block width W2 is W1:W2=(1.3-1.5):1. By optimizing the proportional relationship between the tread blocks and appropriately increasing the width of the shoulder tread block 5, it is beneficial to increase the rigidity and support performance of the shoulder tread block 5, improve the anti-breakage and tearing performance of the shoulder, thereby reducing the uneven wear of the shoulder, improving the overall wear resistance and handling stability of the tire, and extending the service life of the tire.

[0038] like Figure 1 and Figure 5 As shown, a plurality of inclined central steel sheets 7 are arranged along the circumferential direction of the tread on the central pattern block 1. The central steel sheet 7 is a streamlined 3D steel sheet. The width of the central steel sheet 7 is 0.6-1.5 mm. The depth of the central steel sheet 7 is 1 / 2-4 / 5 of the depth of the longitudinal main groove. The bending angle θ of the central steel sheet 7 is 95°-130°. The bending width W3 of the central steel sheet 7 is 1.5-3 mm. A plurality of inclined central steel sheets 8 are arranged along the circumferential direction of the tread on the middle pattern block 3. The extension direction of the central steel sheet 8 is the same as that of the central steel sheet 7. The central steel sheet 8 is a streamlined 3D steel sheet. The width of the central steel sheet 8 is 0.6-1.5 mm. The depth of the central steel sheet 8 is 1 / 2-4 / 5 of the depth of the longitudinal main groove. The bending angle of the central steel sheet 8 is 95°-130°. The bending width of the central steel sheet 8 is 1.5-3 mm.

[0039] The two middle pattern grooves 2 of the utility model's dual-purpose guide and towing load-bearing radial tire pattern and the middle pattern groove 2 and the adjacent side pattern groove 4 are connected by the above-mentioned streamlined 3D steel sheets, and the 3D steel sheets on adjacent pattern blocks are not on the same horizontal line, but are staggered in sequence along the horizontal line of the tread. The tire is not prone to produce hard force concentration points when driving, so that the pressure distribution of the tire crown in the lateral direction is more uniform, irregular wear of the tire is avoided, the wear resistance of the tire is improved, and at the same time, the tire is provided with higher grip performance, handling stability and anti-skid performance; the design of the 3D steel sheet enables the pattern blocks to form longitudinal, vertical, lateral, and three-dimensional locking, which effectively reduces the deformation and slippage of the pattern blocks, avoids abnormal wear, especially avoids abnormal wear of the front and rear heights of the tire, and greatly improves the wear resistance of the tire.

[0040] A middle fine groove 9 is also arranged between adjacent middle steel sheets 8 on the middle pattern block 3 of the guide and towing dual-purpose load-bearing radial tire pattern of the utility model. The middle fine groove 9 is S-shaped, and the depth of the middle fine groove 9 is 1 / 8-3 / 8 of the depth of the longitudinal main groove, and the width is 0.6-1.5mm. Through the above structure, it is beneficial to soften the tread rigidity, reduce and disperse the tread ground contact pressure, increase the friction between the tread and the road surface, so as to effectively increase the tire's grip on the ground, improve the tire's anti-skid performance and handling stability, so that the tire has high passability and is safer for high-speed driving.

[0041] The shoulder pattern block 5 of the utility model of the dual-purpose guide and towing load-carrying radial tire pattern is provided with a plurality of continuous shoulder fine grooves 10, the shoulder fine grooves 10 are inverted L-shaped, the short side of the shoulder fine grooves 10 is connected to the side pattern groove 4, the other side of the shoulder fine grooves 10 is connected to the short side of the adjacent shoulder fine grooves 10, the depth of the shoulder fine grooves 10 is 1 / 7-3 / 7 of the depth of the longitudinal main groove, and the width of the shoulder fine grooves 10 is 0.6-1.5mm. Through the above structure, the air circulation in the shoulder pattern block is increased, the heat dissipation effect of the tire shoulder is better, the damage problem caused by heat generation of the tire crown is reduced, and the durability and service life of the tire are improved; at the same time, the continuous shoulder fine grooves 10 increase the friction between the tire and the ground, effectively improve the grip performance of the tire, help to break the water film, effectively avoid the tire from sliding forward and sliding sideways when the vehicle brakes, and improve the tire's anti-slip performance and handling stability.

[0042] like Figure 1 and Figure 6As shown, a plurality of scallop shell bionic heat dissipation grooves 11 are arranged on the outside of the shoulder pattern block 5, the depth of the heat dissipation groove 11 is 2-6 mm, and a serrated protrusion similar to a scallop shell is arranged inside the heat dissipation groove 11, the height of the protrusion is 0.5-1.0 mm. Through the design of the above-mentioned bionic heat dissipation groove, the heat dissipation capacity of the tire shoulder is further improved, and the occurrence of tire shoulder hollow and shoulder delamination is reduced. At the same time, the serrated protrusion protects the tire shoulder, avoids damage to the bottom of the heat dissipation groove 11 by external hard stones, improves the puncture resistance of the bottom of the heat dissipation groove 11, effectively prevents deformation and cracking of the groove bottom of the heat dissipation groove 11, and makes the tire safer, more durable, and longer in service life.

[0043] 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 guide and towing dual-purpose load-carrying radial tire pattern, characterized in that: It includes four longitudinal main grooves extending along the circumferential direction of the tread and having the same depth. The longitudinal main grooves include middle grooves and side grooves that are symmetrically arranged. The width of the middle groove is greater than that of the side groove; The middle groove is straight, and the groove bottom of the middle groove is S-shaped along the circumference of the tread, which is a full arc structure. The angle of the middle groove wall changes with the change of the S-shape of the groove bottom; The edge pattern groove is in a broken line shape, and a continuous spring stone block is arranged at the bottom of the edge pattern groove. The curvature of the spring stone block is consistent with the curvature of the edge pattern groove, and the side wall of the spring stone block and the groove wall of the edge pattern groove adopt a full arc connection transition method.

2. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 1 is characterized in that: The middle groove is 1-2 mm wider than the side groove, the bottom width of the middle groove is 2-6 mm, and the angle between the middle groove wall and the circumferential direction of the tread is 10°-30°.

3. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 1 is characterized in that: The angle between the side pattern groove wall and the tread circumference is 1°-10°, and the height of the rock block at the bottom of the side pattern groove is 3-6mm.

4. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 1 is characterized in that: It also includes a central pattern block located at the center line of the tread, a shoulder pattern block located at the shoulder portion of the tire, and a middle pattern block located between the central pattern block and the shoulder pattern block, wherein the ratio of the shoulder pattern block width to the middle pattern block width is (1.3-1.5):

1.

5. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 4 is characterized in that: A plurality of inclined central steel sheets are arranged on the central pattern block along the circumferential direction of the tread, and a plurality of central steel sheets are arranged on the middle pattern block. The extension direction of the central steel sheets is the same as that of the central steel sheets, and both the central steel sheets and the middle steel sheets are streamlined 3D steel sheets.

6. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 5 is characterized in that: The width of the central steel sheet is 0.6-1.5mm, the depth of the central steel sheet is 1 / 2-4 / 5 of the depth of the longitudinal main groove, the bending angle of the central steel sheet is 95°-130°, and the bending width of the central steel sheet is 1.5-3mm; the width of the middle steel sheet is 0.6-1.5mm, the depth of the middle steel sheet is 1 / 2-4 / 5 of the depth of the longitudinal main groove, the bending angle of the middle steel sheet is 95°-130°, and the bending width of the middle steel sheet is 1.5-3mm.

7. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 5 is characterized in that: A middle fine groove is arranged between adjacent middle steel sheets on the middle pattern block, and the middle fine groove is S-shaped.

8. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 4 is characterized in that: The shoulder pattern block is provided with a plurality of shoulder fine grooves along the circumference of the tread. The shoulder fine grooves are in an inverted L shape. The short side of the shoulder fine grooves is connected to the side pattern grooves, and the other side of the shoulder fine grooves is connected to the short side of the adjacent shoulder fine grooves.

9. The tread pattern of the guide and towing dual-purpose load-carrying radial tire according to claim 4 is characterized in that: A plurality of scallop shell bionic heat dissipation grooves are arranged on the outer side of the shoulder pattern block, and a plurality of serrated protrusions are arranged inside the heat dissipation grooves.

10. A tire, characterized in that: The tire tread is provided with a radial tire pattern for guiding and towing dual-purpose loads as described in any one of claims 1 to 9.

Images