CN214164650U

CN214164650U - Tyre for vehicle

Info

Publication number: CN214164650U
Application number: CN202023183355.9U
Authority: CN
Inventors: 陈晓娜; 林晓昱; 黄俊奇
Original assignee: Wanli Tire Corp ltd
Current assignee: Wanli Tire Corp ltd
Priority date: 2020-12-25
Filing date: 2020-12-25
Publication date: 2021-09-10
Anticipated expiration: 2030-12-25

Abstract

The application relates to the technical field of tires, in particular to a tire which comprises a tire main body and a tire pattern part; the tire pattern part comprises a left pattern group and a right pattern group which are arranged in a centrosymmetric manner; each pattern group is provided with a plurality of pattern blocks, and each pattern block comprises a first central pattern block, a second central pattern block, a first shoulder pattern block and a second shoulder pattern block; the first central pattern block and the second central pattern block, and the first shoulder pattern block and the second shoulder pattern block of the same pattern group are arranged in a staggered mode along the circumferential direction; first grooves are formed between the first central pattern block and the adjacent pattern block and between the second central pattern block and the adjacent pattern block; and a second groove is arranged between the adjacent first tire shoulder pattern block and the second tire shoulder pattern block. This application can provide strong grip at silt ground, stone road surface, guarantees the tire at the security performance on silt ground and stone road surface, has solved the poor technical problem of grip ability of current tire on non-pavement road such as silt ground and stone effectively.

Description

Tyre for vehicle

Technical Field

The application relates to the technical field of tires, in particular to a tire.

Background

As an important part that can affect the safety and performance of the automobile, the selection of the automobile tire is also very important. Due to the different road conditions, the driving road conditions will change correspondingly, and the choice of the tires will also be different according to the road conditions. The design of the common tire patterns can ensure that the common tire has good controllability when used on a common pavement road surface, and on a non-pavement road surface such as a muddy ground, stones and the like, the common tire is easily filled in pattern grooves and covers the surface by the silt, the stones and the like, and the contact area between the tire and the road surface suddenly drops to lose the corresponding ability of grasping the ground, so that the safety and the controllability of the automobile are greatly reduced. Therefore, there is a need for a tire having good grip on unpaved roads such as silts and stones.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a tire, which can provide strong grip on sandy soil and gravel road surface, provide additional grip performance under extreme road conditions, ensure the safety performance of the tire on sandy soil and gravel road surface, and effectively solve the technical problem of poor grip performance of the existing tire on non-paved road such as sandy soil and gravel.

In order to achieve the purpose, the application provides the following technical scheme:

a tire includes a tire main body and a tread portion that surrounds in a circumferential direction of the tire main body;

the tire pattern part comprises a left pattern group and a right pattern group which are arranged in a centrosymmetric manner;

each pattern group is provided with a plurality of pattern blocks, and each pattern block comprises a first central pattern block, a second central pattern block, a first shoulder pattern block and a second shoulder pattern block;

the first central pattern block and the second central pattern block of the same pattern group are staggered along the circumferential direction of the tire body;

the first shoulder pattern blocks and the second shoulder pattern blocks of the same pattern group are arranged in a staggered mode along the circumferential direction of the tire body;

first grooves are formed between the first central pattern block and the adjacent pattern block and between the second central pattern block and the adjacent pattern block;

and a second groove communicated with the first groove is arranged between the adjacent first shoulder pattern block and the second shoulder pattern block.

Preferably, in the tire described above, each of the first center blocks and the second center blocks has an irregular polygonal shape.

Preferably, in the tire described above, a reinforcing rib is provided in the first groove, and the reinforcing rib connects two adjacent blocks.

Preferably, in the tire described above, the first shoulder block and the second shoulder block are provided with stone discharge grooves or chamfered surfaces.

Preferably, in the tire described above, a marble strip is provided in the second groove.

Preferably, in the tire described above, the blocks further include a first sidewall block provided on a sidewall of the tire main body.

Preferably, in the tire described above, the tread group further includes a circumferential rib that surrounds in the circumferential direction of the tire main body, and the first sidewall block, the first shoulder block, and the second shoulder block are each connected to the circumferential rib.

Preferably, in the tire described above, the first sidewall block has an "i" shape, and one of the openings of the first sidewall block faces the second groove.

Preferably, in the tire described above, a second sidewall block is provided between adjacent two of the first sidewall blocks.

Preferably, in the tire described above, the first center block, the second center block, the first shoulder block, and the second shoulder block are each provided with a steel sheet thereon.

Compared with the prior art, the beneficial effects of this application are:

the tread pattern blocks of the tread comprise a first central pattern block, a second central pattern block, a first shoulder pattern block and a second shoulder pattern block, and adjacent pattern blocks are separated by a first groove or a second groove which is wider, so that the tread pattern has a higher sea-road ratio, the grip performance of the tire under extreme road conditions is improved, the safety performance of the tire on silt lands and stone pavements is ensured, and the technical problem that the grip performance of the conventional tire on non-paved roads such as silt lands, stone and the like is poor is effectively solved;

through the first groove and the second groove which are communicated with each other, a good drainage network can be formed, the drainage performance of the tire is improved, the slip accident of the tire is reduced, the wet land control performance of the tire is improved, silt and stones can be quickly and effectively removed outwards, and the good passing performance of the tire on the silt land and the stone road surface is ensured;

and thirdly, the first shoulder pattern blocks and the second shoulder pattern blocks which are arranged in a staggered mode can provide good traction force for the tire when the tire passes through a soft road and a snowfield, and the good passing performance of the tire on the soft road and the snowfield is favorably ensured.

Drawings

In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, it is obvious that the drawings in the following description are only embodiments of the present application, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a tire according to an embodiment of the present application.

In the figure:

11 is the first center pattern block, 12 is the second center pattern block, 21 is the first shoulder pattern block, 22 is the second shoulder pattern block, 31 is the first child side pattern block, 32 is the second side pattern block, 41 is the first slot, 42 is the second slot, 43 is the third slot, 5 is the rib, 61 is row stone groove, 62 is the chamfer, 7 is the marble strip, 71 is the first marble strip, 72 is the second marble strip, 8 is circumferential direction convex strip, 9 is the steel sheet.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the embodiments of the present application and simplifying the description, but do not indicate or imply that the referred devices or elements must have specific orientations, be configured in specific orientations, and operate, and thus, should not be construed as limiting the embodiments of the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present application, it should be noted that the terms "mounted," "connected," and "connected" are used broadly and are defined as, for example, a fixed connection, an exchangeable connection, an integrated connection, a mechanical connection, an electrical connection, a direct connection, an indirect connection through an intermediate medium, and a communication between two elements, unless otherwise explicitly stated or limited. Specific meanings of the above terms in the embodiments of the present application can be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1, an embodiment of the present application provides a tire, including a tire main body and a tire pattern portion surrounding in a circumferential direction of the tire main body; the tire pattern part comprises a left pattern group and a right pattern group which are arranged in a centrosymmetric manner; each pattern group is provided with a plurality of pattern blocks, and each pattern block comprises a first central pattern block 11, a second central pattern block 12, a first shoulder pattern block 21 and a second shoulder pattern block 22; the first central pattern blocks 11 and the second central pattern blocks 12 of the same pattern group are staggered along the circumferential direction of the tire body; the first shoulder pattern blocks 21 and the second shoulder pattern blocks 22 of the same pattern group are staggered along the circumferential direction of the tire body; first grooves 41 are respectively arranged between the first central pattern block 11 and the adjacent pattern block and between the second central pattern block 12 and the adjacent pattern block; a second groove 42 communicating with the first groove 41 is provided between the adjacent first shoulder block 21 and second shoulder block 22.

More specifically, the first and

second center blocks

11 and 12 are disposed at the middle position of the tire tread, and the first and

second shoulder blocks

21 and 22 are disposed at both sides of the center block and extend to the shoulders of the tire; referring to fig. 1, first grooves 41 are respectively formed between two adjacent first center blocks 11, between two adjacent second center blocks 12, between the adjacent first center blocks 11 and the adjacent first shoulder blocks 21, between the adjacent first center blocks 11 and the adjacent second shoulder blocks 22, between the adjacent second center blocks 12 and the adjacent first shoulder blocks 21, and between the adjacent second center blocks 12 and the adjacent second shoulder blocks 22; the second grooves 42 have a width larger than that of the first grooves 41, a first end of the second grooves 42 communicates with the first grooves 41, and a second end of the second grooves 42 extends outward, so that the silt particles in the first grooves 41 are discharged to the outside through the second grooves 42. The lateral wall slope setting of the lateral wall of first slot 41 and second slot 42, and the width of first slot 41 and the width of second slot 42 all reduce along opening to the direction of bottom gradually, and silt and stone can effectively be got rid of fast in inclination's bank of cells design, promote tire from net power and drive power on the road surface of abominable by a wide margin, provide good cross-country performance. The pattern noise reduction device is formed by overlapping a plurality of pattern pitch units with different pitches and different widths and a plurality of pattern pitch units along the circumferential direction according to an optimized sequence, meanwhile, the pitch length and the pitch arrangement are optimized by utilizing a finite element simulation technology, the pattern noise is reduced, and the off-road performance is ensured and meanwhile, the relatively excellent mute comfort performance is provided.

The beneficial effects of this embodiment: (1) the tread pattern block is designed by adopting a centrosymmetric tread pattern structure, the tread pattern blocks comprise a first central pattern block 11, a second central pattern block 12, a first shoulder pattern block 21 and a second shoulder pattern block 22, and adjacent pattern blocks are separated by a first groove 41 or a second groove 42 which is wider, so that the tread pattern has higher sea-road ratio, the grip performance of the tire under extreme road conditions is favorably improved, the safety performance of the tire on silt lands and stone pavements is ensured, and the technical problem that the grip performance of the existing tire on non-paved roads such as silt lands, stone and the like is poor is effectively solved; (2) through the first groove 41 and the second groove 42 which are communicated with each other, a good drainage network can be formed, the drainage performance of the tire is improved, the slip accident of the tire is reduced, the wet land control performance of the tire is improved, silt and stones can be quickly and effectively removed outwards, and the good passing performance of the tire on the silt land and the stone road surface is ensured; (3) the first shoulder pattern blocks 21 and the second shoulder pattern blocks 22 which are arranged in a staggered mode can provide good traction force for the tire when the tire passes through soft road surfaces and snowfields, and good passing performance of the tire on the soft road surfaces and the snowfields is guaranteed.

Further, in the present embodiment, each of the first center block 11 and the second center block 12 has an irregular polygonal shape. The irregular polygonal central pattern blocks are arranged, so that the pattern blocks at the middle position are separated through the first grooves 41 in all directions, and the first central pattern blocks 11 and the second central pattern blocks 12 at the middle position can provide stable traction for tires on various gravel roads and rocks, and improve the coating performance of the driving bad terrain; and the first grooves 41 in all directions can provide the tire with the grip force in all directions, and the first grooves 41 are communicated with the second grooves 42 to quickly and effectively remove silt and stones, so that the tire is ensured to have good passing performance on silt and stone pavements.

More specifically, referring to fig. 1, the side edge of the first shoulder block 21 and the side edge of the second shoulder block 22 (i.e. the side edge of the second groove 42) are designed in an arc shape, and the extension length of the first shoulder block 21 is greater than that of the second shoulder block 22; the first central pattern block 11 is provided with a notch, the notch is positioned at one side of the first central pattern block 11 close to the adjacent first shoulder pattern block 21, the second central pattern block 12 is similar to a right-angle shape, and the opening direction of the inner angle of the second central pattern block 12 is the same as that of the notch of the first central pattern block 11 in the same pattern group; the arc-shaped shoulder blocks and the notches and the similar right-angle-shaped blocks can be properly staggered to form the first grooves 41 in different directions.

Further, in the present embodiment, the first groove 41 is provided with a reinforcing rib 5, and the reinforcing rib 5 connects two adjacent blocks. The reinforcing ribs 5 can help to clear away stones and fragments in the first grooves 41, protect the bottoms of the first grooves 41 to reduce the damage of the stones to the tire, increase the thickness of the bottoms of the grooves, improve the puncture-preventing capacity, and ensure the passing capacity of the tire on the severe ground such as muddy ground and stones.

More specifically, the thickness of the reinforcing rib 5 is lower than that of the block, so that the reinforcing rib 5 has certain elasticity in the first groove 41, thereby removing stones and debris in the first groove 41 by using the elasticity of the reinforcing rib 5; referring to fig. 1, in the present embodiment, it is preferable that reinforcing ribs 5 are disposed between two adjacent first center blocks 11, between the adjacent first center blocks 11 and the first shoulder block 21, and between the inner corner edges of the first center blocks 11 and the adjacent second center blocks 12; the reinforcing ribs 5 are obliquely arranged, the extending directions of the reinforcing ribs 5 can be basically consistent, and all the pattern blocks can be better connected together, so that the supporting effect of the tread is enhanced.

Further, in the present embodiment, the first shoulder block 21 and the second shoulder block 22 are provided with a stone groove 61 or a chamfered surface 62. When the tire moves on a muddy ground and a stone road surface, the stone discharge groove 61 can provide a temporary storage position for silt and stones, so that the silt and stones contacting with the surface of the pattern block are reduced, and the pattern block can better support the whole tire to move on the muddy ground and the stone road surface; the cut surfaces 62 are arc-shaped surfaces formed by cutting on the shoulder pattern blocks, the sidelines of the cut surfaces 62 on the same side are connected along the extending direction to form a circle together, and the thickness of the shoulder pattern blocks can be effectively increased by the arrangement of the cut surfaces 62, so that silt and stones can be discharged outwards quickly.

More specifically, referring to fig. 1, in the present embodiment, preferably, the first shoulder block 21 is provided with the chamfered surface 62, and the second shoulder block 22 is provided with the stone-removing groove 61, so that the stone-removing groove 61 and the chamfered surface 62 are alternately arranged on the shoulder block, and the arrangement of the stone-removing groove 61 and the chamfered surface 62 can effectively improve the self-cleaning capability and the sand and stone passing performance of the tire, which is beneficial to improving the grip performance of the tire on the sand and stone road surface, and ensuring the safety performance of the tire on the sand and stone road surface.

Further, in the present embodiment, the marble strip 7 is provided in the second groove 42. The setting of bullet stone lath 7 can help cleaing away the stone and the piece etc. in the second slot 42, protects second slot 42 bottom to reduce the injury of stone piece to the tire, increase the thickness of second slot 42 bottom simultaneously, promote the puncture-proof ability of tire, ensure the ability of passing through of tire on abominable ground such as silt, stone.

More specifically, referring to the first marble strip 71 of fig. 1, one end of the marble strip 7 may extend inward to connect with the first center block 11 or the second center block 12; referring to the second marble strip 72 of fig. 1, the marble strip 7 may be spaced apart from the first or

second center blocks

11 or 12. The number of the elastic stone strips 7 is not limited to one, a plurality of elastic stone strips 7 can be arranged in the second groove 42, please refer to the second elastic stone strip 72 shown in fig. 1, and the elastic stone strips 7 with three short lengths and one long length are arranged in the second groove 42, so that the removing capability of the elastic stone strips 7 on the sediment stones is not influenced, and the interestingness and the attractiveness of the surface of the tire can be increased. The first marble strip 71 and the second marble strip 72 in the same pattern group are preferably arranged in a staggered mode along the circumferential direction of the tire main body, and the removal capacity of the marble strips 7 to silt stones and the attractiveness of the surface of the tire can be guaranteed at the same time.

Further, in the present embodiment, the block further includes a first sidewall block 31, and the first sidewall block 31 is provided on a sidewall of the tire main body. The thickness of the side wall can be effectively increased by the arrangement of the first tire side pattern block 31, and through the tire shoulder extension design, the rubber with enough thickness plays a role in protecting the tire shoulder, so that the tire can be protected from being damaged by stones, rocks and fragments.

Further, in the present embodiment, the tread group further includes the circumferential direction convex strip 8 that surrounds in the circumferential direction of the tire main body, and the first sidewall block 31, the first shoulder block 21, and the second shoulder block 22 are all connected to the circumferential direction convex strip 8. Can link together first child side decorative pattern piece 31 and tire shoulder decorative pattern piece through setting up of circumference sand grip 8, when the car transships, the tire receives bigger pressure and warp, at this moment circumference sand grip 8 and the extension part that little part first child side decorative pattern piece 31 can regard as the tire shoulder decorative pattern piece to play the effect of supporting the tire with the tire shoulder decorative pattern piece jointly, play the effect of protection tire shoulder through the first child side decorative pattern piece 31 of enough thickness in addition, can protect the tire to avoid the damage of stone, rock and piece.

More specifically, the first sidewall blocks 31 on both sides and the circumferential protrusion 8 are also arranged in central symmetry, so that the symmetry and aesthetic feeling of the tire surface are ensured. In addition, the other end of the stone spring strip 7 can extend outwards to be connected with the circumferential convex strip 8.

Further, in the present embodiment, the first sidewall block 31 is in an "i" shape, and one of the openings of the first sidewall block 31 faces the second groove 42, and the side edge of the opening maintains the outward extending direction of the corresponding edge of the second groove 42, so that the silt and stone in the second groove 42 can be discharged outward without being affected by the first sidewall block 31.

More specifically, the other opening of the first sidewall block 31 is outward, which can increase the ability of the tire sidewall to remove mud and sand; a third groove 43 is arranged between two adjacent first sidewall blocks 31, the third groove 43 keeps the outward extending direction of the edge of the corresponding second groove 42, and the width of the third groove 43 is gradually increased along the direction far away from the second groove 42, which is beneficial to improving the capability of the tire sidewall to remove silt and stones.

Further, in the present embodiment, a second sidewall block 32 is provided between two adjacent first sidewall blocks 31, that is, a second sidewall block 32 is provided in the third groove 43. The second sidewall pattern block 32 can also effectively increase the thickness of the tire sidewall, and the second sidewall pattern block 32 with enough thickness can play a role in protecting the tire shoulder, so that the tire can be protected from being damaged by stones, rocks and fragments.

Further, in the present embodiment, the first center block 11, the second center block 12, the first shoulder block 21, and the second shoulder block 22 are each provided with the steel sheet 9 thereon. The steel sheet 9 can play a role of dividing large pattern blocks, can reduce the rigidity of the pattern blocks in the middle and on the shoulder, and is beneficial to increasing the driving comfort of the tire.

The embodiments in the present description 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 previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A tire characterized by comprising a tire main body and a tread portion that surrounds in a circumferential direction of the tire main body;

2. The tire of claim 1 wherein each of the first and second center blocks has an irregular polygon shape.

3. The tire of claim 1 wherein said first groove has a reinforcing rib disposed therein, said reinforcing rib connecting adjacent two of said blocks.

4. The tire of claim 1 wherein the first shoulder block and the second shoulder block are provided with a stone groove or chamfer.

5. The tire of claim 1 wherein said second groove has a stone spring.

6. The tire of claim 1 wherein said blocks further comprise a first sidewall block, said first sidewall block being provided on a sidewall of said tire body.

7. The tire of claim 6, wherein the pattern group further includes a circumferential rib that surrounds in a circumferential direction of the tire body, the first sidewall block, the first shoulder block, and the second shoulder block each being connected to the circumferential rib.

8. The tire of claim 6 wherein the first sidewall block is "I" shaped with one of its openings facing the second groove.

9. The tire of claim 6 wherein a second sidewall block is disposed between adjacent ones of said first sidewall blocks.

10. The tire of any one of claims 1-9, wherein the first center block, the second center block, the first shoulder block, and the second shoulder block are each provided with a steel sheet thereon.