CN217396116U - Radial tire pattern and tire for heavy load - Google Patents

Abstract

The utility model relates to a truck radical tire decorative pattern and tire, wherein truck radical tire decorative pattern includes inboard tire shoulder decorative pattern piece, inboard decorative pattern piece, central decorative pattern piece, outside decorative pattern piece and the outside tire shoulder decorative pattern piece that sets gradually, is provided with first longitudinal groove, second longitudinal groove, third longitudinal groove and fourth longitudinal groove respectively between inboard tire shoulder decorative pattern piece and inboard decorative pattern piece, between inboard decorative pattern piece and central decorative pattern piece, between central decorative pattern piece and the outside decorative pattern piece, between outside decorative pattern piece and the outside tire shoulder decorative pattern piece; each pattern block is provided with a Z-shaped steel sheet groove, one side of each pattern block close to the outer shoulder pattern block is provided with a shoulder lower pattern groove, and the groove walls of the four longitudinal grooves are provided with vertical raised knurl lines. The utility model discloses load radial tire decorative pattern has excellent stability and the anti wet performance of controlling, can improve the self-cleaning performance of tire, effectively reduces the stone and to decorative pattern ditch wall damage, tire mileage is higher, safer.

Description

Radial tire pattern and tire for heavy load

Technical Field

The utility model belongs to the technical field of the tire decorative pattern, especially, relate to a load radial tire decorative pattern and tire.

Background

With the continuous development of economy, the speed of modern vehicles is continuously increased, and higher technical requirements are imposed on tires. The tyre is used as a bearing part of a vehicle and is directly contacted with the road surface, the design of the tread pattern directly influences the service life and the performance of the tyre, and the tread pattern plays roles of skid resistance, decoration and heat dissipation. The design of the tire patterns mainly improves the traction force, the side sliding force, the guidance property and the drainage property of the tire, reduces the rolling resistance, reduces the noise and the like according to different use scenes.

With the proposal of the strategic goals of carbon neutralization and carbon peak reaching, higher requirements are put on the fuel economy of the vehicle, the rolling resistance of the tire directly influences the fuel economy of the automobile, and about 20 percent of the automobile fuel is consumed by the rolling resistance of the tire. However, the existing automobile tire cannot have low rolling resistance, operation stability, wet skid resistance and self-cleaning performance.

Therefore, the key for solving the problems is to develop a truck radial tire pattern which has excellent operation stability and wet skid resistance, can improve the self-cleaning performance of the tire, effectively reduce the damage of stones to the groove wall and has higher driving mileage and safer performance.

SUMMERY OF THE UTILITY MODEL

To the weak point that exists among the correlation technique, the utility model provides a load radial tire decorative pattern and tire has excellent stability and the anti wet skid property of controlling, can improve the self-cleaning performance of tire moreover, effectively reduces the stone and to the damage of decorative pattern ditch wall, and the tire mileage of traveling is higher, safer, can solve current automobile tire can't have low rolling resistance performance concurrently, control the technical problem of stability, anti wet skid property and self-cleaning performance.

The utility model provides a loading radial tire pattern, which comprises an inner shoulder pattern block, an inner pattern block, a central pattern block, an outer pattern block and an outer shoulder pattern block which are arranged in sequence, wherein a first longitudinal groove, a second longitudinal groove, a third longitudinal groove and a fourth longitudinal groove are respectively arranged between the inner shoulder pattern block and the inner pattern block, between the inner pattern block and the central pattern block, between the central pattern block and the outer pattern block and between the outer pattern block and the outer shoulder pattern block;

z-shaped steel sheet grooves are formed in the inner shoulder pattern blocks, the central pattern blocks, the outer shoulder pattern blocks and the outer shoulder pattern blocks, lower shoulder pattern grooves are formed in one side close to the outer shoulder pattern blocks, and vertical protruding knurling lines are arranged on groove walls of the first longitudinal grooves, the second longitudinal grooves, the third longitudinal grooves and the fourth longitudinal grooves.

In some of these embodiments, the ratio of the width a of the inboard shoulder block or outboard shoulder block to the width b of the inboard block, center block, or outboard block is (1.3-1.45): 1.

in some of these embodiments, the first longitudinal grooves, the second longitudinal grooves, the third longitudinal grooves and the fourth longitudinal grooves are of a variable wall angle of equal width design with the pattern groove bottom, the wall angle ranging from 15 ° to 25 °.

In some embodiments, the second longitudinal groove and the third longitudinal groove are designed with different groove widths, and the groove width d of the second longitudinal groove and the third longitudinal groove is increased by 0.5-2.0mm compared with the groove width c of the first longitudinal groove and the fourth longitudinal groove.

In some of the embodiments, the second longitudinal groove and the third longitudinal groove are designed with different pattern depths, and the groove depths of the first longitudinal groove and the fourth longitudinal groove are 0.5-2.0mm shallower than those of the second longitudinal groove and the third longitudinal groove.

In some embodiments, the depth of the Z-shaped steel sheet groove is 1/5-1/7 of the depth of the first longitudinal groove, the second longitudinal groove, the third longitudinal groove or the fourth longitudinal groove, and the width of the Z-shaped steel sheet groove is 0.6-1.0 mm.

In some of these embodiments, the depth of the sub-shoulder grooves is 2-4 mm.

In some of these embodiments, the height of the protrusions in the vertical protruding stitching lines is 0.6-1.0mm and the spacing between adjacent vertical protruding stitching lines is 2-3 mm.

The utility model provides a load radial tire, this kind of tire contain above-mentioned arbitrary embodiment load radial tire decorative pattern.

Compared with the prior art, the utility model discloses an advantage and beneficial effect lie in:

1. the utility model provides a load radial tire decorative pattern is four straight line vertical main grooves (namely first vertical groove, second vertical groove, third vertical groove and fourth vertical groove), and straight line groove tire can reduce tire and road surface contact resistance, and tire rolling resistance is lower; meanwhile, four straight longitudinal main grooves can improve the maneuverability of the tire, and the tire has excellent guiding performance and sideslip resistance;

2. the four longitudinal pattern main grooves in the radial tire pattern of the load-carrying radial tire adopt the design of equal width of groove wall variable angles and the groove bottoms of the patterns, the rigidity of local pattern blocks can be increased, the collapse and block falling in the driving process can be reduced, the tire crown stress concentration in the driving process can be avoided by the angle of the variable groove walls, and the durability of the tire can be improved;

3. the utility model provides a load radial tire pattern, can promote the self-cleaning ability of tire to the small stone through increasing intensive perpendicular protruding knurling line in four vertical pattern main ditch walls, protruding knurling line can effectively less stone simultaneously to the damage of pattern groove bottom;

4. the utility model provides a load radial tire decorative pattern, have Z style of calligraphy steel sheet slot on each decorative pattern piece and can effectively improve the adhesive force of tire on wet and slippery road surface, destroy the water film that forms on tire and the ponding road surface, effectively discharge the ponding of contact zone, improve the wet and slippery resistance of tire;

5. the utility model provides a load radial tire decorative pattern, inboard tire shoulder decorative pattern piece and outside tire shoulder decorative pattern piece adopt to widen the design, can prevent effectively that the steering process from to the tire shoulder cause the abnormal wear, less tire eccentric wear improves the life and the anti sideslip performance of tire, is provided with the shoulder pattern groove under the shoulder and can improve the tire shoulder position vulcanization efficiency near outside tire shoulder decorative pattern piece one side, increases tire shoulder position heat dispersion, reduces the empty risk in tire shoulder;

6. the utility model provides a load radial tire decorative pattern, second longitudinal groove, third longitudinal groove and first longitudinal groove, fourth longitudinal groove are the design of unequal groove width, can increase decorative pattern edge portion bulk rigidity, improve aerify back edge portion tread groove deformation, optimize the tire and aerify and ground connection shape;

7. the utility model provides a load radial tire decorative pattern, the deep design of the vertical slot of second, the vertical slot of third and first vertical slot, the vertical slot of fourth can increase decorative pattern limit portion stability for not waiting the decorative pattern, and profile tire shoulder material transition is more slick and sly in the "3 + 0" belted layer structure tire, promotes tire durability.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention and do not constitute a limitation on the invention. In the drawings:

FIG. 1 is a schematic structural diagram of an embodiment of a radial truck tire tread of the present invention;

FIG. 2 is a partial enlarged view of the longitudinal grooves in one embodiment of the truck radial tire pattern of the present invention.

In the above figures:

1. an inboard shoulder tread block; 2. an inner pattern block; 3. a central pattern block; 4. outer pattern blocks; 5. an outboard shoulder tread block; 6. a first longitudinal groove; 7. a second longitudinal groove; 8. a third longitudinal groove; 9. a fourth longitudinal groove; 10. z-shaped steel sheet grooves; 11. shouldering the pattern groove; 12. vertical raised knurled lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some, not all embodiments of the invention. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "central," "lateral," "longitudinal," "up," "down," "front," "back," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for convenience in describing the present invention and to simplify the description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

The terms "first", "second" and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, features defined as "first", "second", "third" may explicitly or implicitly include one or more of the features.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1, in an exemplary embodiment of the truck radial tire pattern of the present invention, the truck radial tire pattern includes an inner shoulder pattern block 1, an inner pattern block 2, a central pattern block 3, an outer pattern block 4 and an outer shoulder pattern block 5, which are sequentially disposed, and a first longitudinal groove 6, a second longitudinal groove 7, a third longitudinal groove 8 and a fourth longitudinal groove 9 are respectively disposed between the inner shoulder pattern block 1 and the inner pattern block 2, between the inner pattern block 2 and the central pattern block 3, between the central pattern block 3 and the outer pattern block 4, and between the outer pattern block 4 and the outer shoulder pattern block 5;

the inner shoulder pattern blocks 1, the inner pattern blocks 2, the central pattern blocks 3, the outer pattern blocks 4 and the outer shoulder pattern blocks 5 are provided with Z-shaped steel sheet grooves 10, one side close to the outer shoulder pattern blocks 5 is provided with lower shoulder pattern grooves 11, and the groove walls of the first longitudinal grooves 6, the second longitudinal grooves 7, the third longitudinal grooves 8 and the fourth longitudinal grooves 9 are provided with vertical raised knurling lines 12.

In the above-described exemplary embodiment, a heavy duty radial ply tire pattern is proposed which employs four straight longitudinal main grooves (i.e., the first longitudinal grooves 6, the second longitudinal grooves 7, the third longitudinal grooves 8, and the fourth longitudinal grooves 9), the straight groove tire being capable of reducing tire-road surface contact resistance, the tire rolling resistance being lower; meanwhile, four straight longitudinal main grooves can improve the maneuverability of the tire, and the tire has excellent guiding performance and sideslip resistance.

In addition, the self-cleaning capability of the tire to small stones can be improved by adding the dense vertical raised knurled lines on the four longitudinal main groove walls of the patterns, and the raised knurled lines can effectively reduce the damage of the stones to the bottoms of the pattern grooves.

In some embodiments, the ratio of the width a of the inboard shoulder block 1 or outboard shoulder block 5 to the width b of the inboard block 2, center block 3, or outboard block 4 is (1.3-1.45): 1.

in the above embodiment, the inner shoulder pattern blocks and the outer shoulder pattern blocks are designed to be widened, so that abnormal wear caused by the steering process to the shoulder of the tire can be effectively prevented, eccentric wear of the tire is reduced, the service life and the sideslip resistance of the tire are improved, the shoulder lower pattern grooves are arranged on one side close to the outer shoulder pattern blocks, the vulcanization efficiency of the shoulder part can be improved, the heat dissipation performance of the shoulder part is improved, and the risk of tire shoulder vacancy is reduced.

In some embodiments, the first longitudinal grooves 6, the second longitudinal grooves 7, the third longitudinal grooves 8 and the fourth longitudinal grooves 9 are of a design with a variable angle of the walls, equal to the width of the tread groove bottom, with the angle of the walls ranging from 15 ° to 25 °.

In the embodiment, the four longitudinal pattern main grooves adopt the design of equal width of the groove wall variable angles and the pattern groove bottoms, so that the rigidity of local pattern blocks can be increased, the collapse and block falling in the driving process can be reduced, the tire crown stress concentration in the driving process can be avoided by changing the groove wall angles, and the durability of the tire is improved.

In some embodiments, the second longitudinal groove 8 and the third longitudinal groove 9 are designed with different groove widths from the first longitudinal groove 6 and the fourth longitudinal groove 7, and the groove widths d of the second longitudinal groove 7 and the third longitudinal groove 8 are increased by 0.5-2.0mm compared with the groove widths c of the first longitudinal groove 6 and the fourth longitudinal groove 9.

In the embodiment, the second longitudinal groove, the third longitudinal groove, the first longitudinal groove and the fourth longitudinal groove are designed to have different groove widths, so that the integral rigidity of the edge part of the pattern can be increased, the deformation of the groove at the edge part after inflation is improved, and the inflation and grounding shapes of the tire are optimized.

In some embodiments, the second longitudinal grooves 7 and the third longitudinal grooves 8 and the first longitudinal grooves 6 and the fourth longitudinal grooves 9 are designed with different pattern depths, and the groove depths of the first longitudinal grooves 6 and the fourth longitudinal grooves 9 are 0.5 to 2.0mm shallower than the groove depths of the second longitudinal grooves 7 and the third longitudinal grooves 8.

In the above embodiments, the second longitudinal grooves, the third longitudinal grooves, the first longitudinal grooves and the fourth longitudinal grooves are designed with different pattern depths, so that the stability of the pattern edge portions can be increased, the transition of the tire inner contour shoulder materials of the tire with the 3+0 belt structure is smoother, and the durability of the tire is improved.

In some embodiments, the groove depth of the Z-shaped sheet groove 10 is 1/5-1/7 of the depth of the first longitudinal groove 6, the second longitudinal groove 7, the third longitudinal groove 8 or the fourth longitudinal groove 9, and the width of the Z-shaped sheet groove 10 is 0.6-1.0 mm.

The depth and the width of the Z-shaped steel sheet grooves are further limited in the embodiment, the Z-shaped steel sheet grooves are formed in each pattern block, so that the adhesive force of the tire on a wet and slippery road surface can be effectively improved, a water film formed on the tire and a water accumulation road surface is damaged, accumulated water in a contact area is effectively discharged, and the wet and slippery resistance of the tire is improved.

In some embodiments, the depth of the under shoulder groove 11 is 2-4 mm.

In some embodiments, the height of the protrusions in the vertical protruding knurled lines 12 is 0.6-1.0mm, and the spacing between adjacent vertical protruding knurled lines 12 is 2-3 mm.

The utility model also provides a load radial tire, this kind of tire contain as above-mentioned arbitrary embodiment load radial tire decorative pattern.

Through right the utility model discloses the explanation of a plurality of embodiments of load radial tire pattern and tire can be seen the utility model discloses load radial tire pattern and tire embodiment have following one or more advantage at least:

1. low rolling resistance, operation and control performance and sideslip resistance. The utility model provides a load radial tire decorative pattern is four straight line vertical main grooves (namely first vertical groove, second vertical groove, third vertical groove and fourth vertical groove), and straight line groove tire can reduce tire and road surface contact resistance, and tire rolling resistance is lower; meanwhile, four straight longitudinal main grooves can improve the maneuverability of the tire, and the guiding performance and the anti-sideslip performance of the tire are excellent;

2. has self-cleaning performance. The utility model provides a load radial tire decorative pattern can promote the self-cleaning ability of tire to the pebble through increasing intensive perpendicular protruding knurling line at four vertical decorative pattern main ditch walls, and bellied knurling line can effectively less pebble simultaneously to the damage at the bottom of the decorative pattern ditch.

Finally, it should be noted that: in the present specification, the embodiments are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The above embodiments are only used to illustrate the technical solution of the present invention and not to limit it; although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (9)

1. The truck radial tire pattern is characterized by comprising an inner shoulder pattern block, an inner pattern block, a central pattern block, an outer pattern block and an outer shoulder pattern block which are sequentially arranged, wherein a first longitudinal groove, a second longitudinal groove, a third longitudinal groove and a fourth longitudinal groove are respectively arranged between the inner shoulder pattern block and the inner pattern block, between the inner pattern block and the central pattern block, between the central pattern block and the outer pattern block and between the outer pattern block and the outer shoulder pattern block;

the tire is characterized in that Z-shaped steel sheet grooves are formed in the inner tire shoulder pattern blocks, the central pattern blocks, the outer tire shoulder pattern blocks and the outer tire shoulder pattern blocks, shoulder lower pattern grooves are formed in one side close to the outer tire shoulder pattern blocks, and vertical protruding thread rolling lines are arranged on groove walls of the first longitudinal grooves, the second longitudinal grooves, the third longitudinal grooves and the fourth longitudinal grooves.

2. A heavy duty radial tire tread as claimed in claim 1, wherein the ratio of the width a of said inboard shoulder block or outboard shoulder block to the width b of the inboard block, center block or outboard block is (1.3-1.45): 1.

3. a truck radial tire tread according to claim 1, wherein said first longitudinal grooves, second longitudinal grooves, third longitudinal grooves and fourth longitudinal grooves are of a design with a variable angle of the groove wall and the same width as the tread groove bottom, the angle of the groove wall being in the range of 15 ° to 25 °.

4. A heavy duty radial tire tread as claimed in claim 1, wherein said second and third longitudinal grooves are of unequal groove width design, and the groove width d of said second and third longitudinal grooves is increased by 0.5-2.0mm compared with the groove width c of said first and fourth longitudinal grooves.

5. A truck radial tire pattern as in claim 1, wherein said second and third longitudinal grooves are of unequal pattern depth design, and wherein said first and fourth longitudinal grooves have a groove depth 0.5-2.0mm shallower than the groove depth of said second and third longitudinal grooves.

6. A heavy duty radial tire tread as claimed in claim 1, wherein said zigzag bead grooves have a groove depth of 1/5-1/7 of the depth of the first, second, third or fourth longitudinal grooves, and a width of 0.6-1.0 mm.

7. A heavy duty radial tire tread as claimed in claim 1, wherein said under shoulder groove has a depth of 2-4 mm.

8. A heavy duty radial tire tread as claimed in claim 1, wherein said vertical raised knurl thread has a height of 0.6-1.0mm and a pitch of adjacent vertical raised knurl threads is 2-3 mm.

9. Heavy duty radial tire, characterized by comprising a heavy duty radial tire pattern as claimed in any one of claims 1 to 8.

Images