CN216861088U - RT cross country tire pattern and RT cross country tire - Google Patents

Abstract

The utility model discloses a Reverse Transcription (RT) off-road tire pattern and an RT off-road tire, and belongs to the field of off-road tires. The cross-country tire pattern AT least comprises tire shoulder pattern blocks and middle pattern blocks which are distributed along the circumferential direction of a tire tread, wherein the tire shoulder pattern blocks are arranged AT the positions of tire shoulders AT two sides of the tire, an MT (multiple terminal) pattern block structure is adopted, the middle pattern blocks are arranged between the tire shoulder pattern blocks AT the positions of the tire shoulders AT the two sides, an AT (alternating terminal) pattern block structure is adopted, the ratio of the area of the tire shoulder pattern blocks to the area of the middle pattern blocks is S/C, and S/C is more than or equal to 0.9 and less than 1. The utility model is applied to off-road tires, solves the technical problem that the existing RT tire is difficult to take the advantages of AT and MT patterns into account and cannot give full play to respective performances to influence the overall performance of the RT tire, integrates the characteristics of the AT tire and the MT tire, and has the characteristics of strong wildness, pricking resistance, wear resistance, excellent mud throwing and draining performance, excellent control performance, comfort and silence.

Description

RT cross country tire pattern and RT cross country tire

Technical Field

The utility model belongs to the field of off-road tires, and particularly relates to a Reverse Transcription (RT) off-road tire pattern and an RT off-road tire.

Background

The RT off-road tire is an off-road tire which is between AT and MT and is suitable for professional off-road pavement. The RT tire has better cross-country performance and strong and bold decorative pattern than AT tire, has the stability of controlling and comfortable silence energy-conserving fuel economy advantage that MT tire did not reach simultaneously. The advantages of AT patterns and MT patterns are integrated, specifically, the RT tire is the same as the MT, the pattern is wide, the sidewall is hard, the puncture resistance and the abrasion resistance are realized, the fetal teeth are exaggerated, the excellent wetland control and drainage performance is realized when the RT tire runs on a mud land, muddy water can be quickly and effectively discharged, meanwhile, broken stones can be effectively absorbed on a bad road surface with broken stones, the sufficient tire grounding area is ensured, the broken stone road is bent AT a high speed, and the buttocks cannot be classified; meanwhile, when the automobile is driven on a highway, the automobile has the same strong road surface ground grabbing force as AT, super strong brake ground grabbing force and good steering control performance, and is high in safety performance, small in tire noise, good in comfort, energy-saving and environment-friendly. The RT tire is a comfortable and silent tire with commuting and off-road functions.

However, the existing RT tire is difficult to realize the advantages of both AT and MT patterns, and cannot exert their respective performances to the maximum extent, thereby affecting the overall performance of the RT tire.

SUMMERY OF THE UTILITY MODEL

The details of one or more embodiments of the utility model are set forth in the accompanying drawings and the description below to provide a more thorough understanding of the utility model.

The utility model provides an RT cross-country tire pattern and an RT cross-country tire, solves the technical problem that the existing RT tire is difficult to take the advantages of AT and MT patterns into consideration and cannot give full play to the respective performances to the maximum extent, so that the overall performance of the RT tire is influenced, integrates the characteristics of the AT tire and the MT tire, and has the characteristics of strong and brisk wildness, pricking resistance, wear resistance, excellent mud throwing and draining performance, excellent control performance, comfort and silence.

The utility model discloses an RT off-road tire pattern, which comprises tire shoulder pattern blocks distributed along the circumferential direction of a tire tread, wherein the tire shoulder pattern blocks are arranged at the tire shoulders at the two sides of the tire and adopt an MT (maximum tire weight) pattern block structure;

the middle pattern block is arranged between the shoulder pattern blocks AT the positions of the shoulders AT the two sides and adopts an AT (automatic tire) pattern block structure;

the ratio of the area of the tire shoulder pattern block to the area of the middle pattern block is S/C, and S/C is more than or equal to 0.9 and less than 1.

In some of these embodiments, the shoulder blocks further comprise

An inboard shoulder pattern block located at an inboard shoulder position of the tire;

and an outboard shoulder block located at an outboard shoulder position of the tire;

the middle pattern block further comprises

A left pattern block located on the right side of the inner shoulder pattern block;

the central pattern block is positioned on the right side of the left pattern block and distributed along the circumferential central line of the tire tread;

a right tread block located between the center tread block and the outboard shoulder tread block;

also comprises longitudinal main grooves distributed along the circumferential direction of the tire tread, and the longitudinal main grooves further comprise

The first longitudinal main groove is positioned between the adjacent tire shoulder pattern block and the middle pattern block and is of a bent structure;

the second longitudinal main groove is positioned between two adjacent middle pattern blocks and is dendritic;

the first longitudinal main groove is communicated with the second longitudinal main groove.

In some of these embodiments, the shoulder blocks comprise first shoulder blocks alternating circumferentially along the tire tread,

and a second shoulder pattern block;

the first tire shoulder pattern block and the second tire shoulder pattern block are of an open type structure with alternate high and low break difference.

In some of these embodiments, a row of ribs is disposed between the first shoulder block and the second shoulder block.

In some embodiments, the sharp corners of the middle blocks are provided with a conical step structure.

In some of these embodiments, the center blocks are of an ancient coin construction.

In some embodiments, the shoulder blocks and the middle blocks are provided with steel plates.

In some of these embodiments, the shoulder blocks and the intermediate blocks are provided with a step edge structure.

In another aspect, the utility model discloses an RT off-road tire, wherein the tread of the tire is provided with an off-road tire pattern as described in any one of the above.

In some of these embodiments, the sidewall and the shoulder blocks of the tire are of a male-female engagement.

Compared with the prior art, the utility model has the beneficial effects that:

the utility model provides an RT off-road tire pattern between an AT and an MT, which integrates the characteristics of the AT tire and the MT tire and has the advantages of strong wildness, prick resistance, wear resistance, excellent mud throwing and draining performances, excellent control performance, comfort, silence and the like.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model and not to limit the utility model. In the drawings:

FIG. 1 is a schematic diagram of a RT off-road tire pattern structure provided by an embodiment of the utility model;

FIG. 2 is another schematic diagram of a RT off-road tire pattern provided by an embodiment of the present invention;

description of the drawings: 11. an inboard shoulder tread block; 12. an outboard shoulder tread block; 21. a left pattern block; 22. a central pattern block; 23. a right pattern block; 31. a first longitudinal main channel; 32. a second longitudinal main channel; 41. a first shoulder pattern block; 42. a second shoulder pattern block; 5. an elastic rib; 6. a tapered stepped structure; 7. a steel sheet; 8. a step edge structure; 9. concave-convex occlusion structure.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described and illustrated below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the utility model and are not intended to limit the utility model. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments provided by the present invention, belong to the protection scope of the present invention.

It is obvious that the drawings in the following description are only examples or embodiments of the utility model, from which it is possible for a person skilled in the art, without inventive effort, to apply the utility model also in other similar contexts. Moreover, it should be appreciated that in the development of any such actual implementation, as in any engineering or design project, numerous implementation-specific decisions must be made to achieve the developers' specific goals, such as compliance with system-related and business-related constraints, which may vary from one implementation to another.

Reference in the specification to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the utility model. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one of ordinary skill in the art that the described embodiments of the present invention can be combined with other embodiments without conflict.

Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The use of the terms "a" and "an" and "the" and similar referents in the context of describing the utility model are not to be construed as limiting in number, and may be construed to cover both the singular and the plural. The present invention relates to the terms "comprises," "comprising," "includes," "including," "has," "having" and any variations thereof, which are intended to cover non-exclusive inclusions; for example, a process, method, system, article, or apparatus that comprises a list of steps or modules (elements) is not limited to the listed steps or elements, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus. The terms "connected," "coupled," and the like in the description of the utility model are not restricted to physical or mechanical connections, but may include electrical connections, whether direct or indirect. The term "plurality" as used herein means two or more. "and/or" describes an association relationship of associated objects, meaning that three relationships may exist, for example, "A and/or B" may mean: a exists alone, A and B exist simultaneously, and B exists alone. The character "/" generally indicates that the former and latter associated objects are in an "or" relationship. The terms "first," "second," "third," and the like, as used herein, merely distinguish one object from another and do not denote a particular order or importance.

The embodiment of the utility model provides a RT off-road tire pattern and an RT off-road tire, and FIGS. 1-2 are schematic structural diagrams of the RT off-road tire pattern according to the embodiment of the utility model. Referring to FIG. 1, the off-road tire pattern AT least comprises shoulder pattern blocks and middle pattern blocks distributed along the circumferential direction of the tire tread, wherein the shoulder pattern blocks are arranged AT the positions of the tire shoulders AT two sides of the tire, an MT (maximum tire volume) pattern block structure is adopted, the middle pattern blocks are arranged between the shoulder pattern blocks AT the positions of the tire shoulders AT two sides, an AT (extreme tire volume) pattern block structure is adopted, the ratio of the area of the shoulder pattern blocks to the area of the middle pattern blocks is S/C, and S/C is more than or equal to 0.9 and less than 1. The MT block is thick, the distance between the tire teeth is obviously larger than that of the AT block, the groove is wider and larger, the MT groove depth is larger than 12mm, the AT groove depth is smaller than or equal to 12mm, the MT groove depth generally extends to the edge tire shoulder area of the driving surface, the tire pattern is exaggerated, and the ground holding force is very strong; the mottles of the AT tire are finer and denser than those of the MT tire, the contact area of the AT is larger than that of the MT tire, the sea-land ratio of the MT is generally in the range of 40% -60%, and the sea-land ratio of the AT is in the range of 50% -70%. The tire shoulder decorative pattern piece of both sides adopts fierce MT child piece, guarantees the tightness of tire shoulder, strengthens cross-country performance, and middle decorative pattern piece adopts fierce AT child piece of nevertheless steadily advancing, has strengthened the holistic travelling comfort of tire and high trafficability characteristic. This embodiment specifically defines the ratio of the area of the shoulder blocks to the area of the middle blocks, because, when S/C is much greater than 1, the noise of the pattern is increased, comfort and safety are reduced; when the S/C is far less than 1, the wet skid performance of the patterns is reduced; when S/C is more than or equal to 0.9 and less than 1, the noise and water throwing performance reach the optimal state, and the synergistic effect between AT and MT is ensured.

Further, the shoulder pattern blocks further comprise an inner shoulder pattern block 11 positioned at the inner shoulder position of the tire, and an outer shoulder pattern block 12 positioned at the outer shoulder position of the tire; the middle blocks further include a left block 21 located on the right side of the inner shoulder block 11, a center block 22 located on the right side of the left block 21 and distributed along the circumferential centerline of the tire tread, and a right block 23 located between the center block 22 and the outer shoulder block 12; the tire tread further comprises longitudinal main grooves distributed along the circumferential direction of the tire tread, the longitudinal main grooves further comprise first longitudinal main grooves 31 which are located between adjacent tire shoulder pattern blocks and middle pattern blocks and are of bent structures, second dendritic longitudinal main grooves 32 are located between two adjacent middle pattern blocks, and the first longitudinal main grooves 31 are communicated with the second longitudinal main grooves 32. Optionally, the center block 22 is an ancient coin structure. It should be noted that, when the paving road surface is driven, the contact area of the middle pattern block is mainly improved to ensure the traction performance, so the middle pattern block adopts an AT-shaped block; on the other hand, on a non-paved road surface, stronger mud throwing performance and steering force are needed, so the tire shoulder pattern blocks adopt MT-shaped blocks, but the MT-shaped blocks do not exist independently but supplement each other to make up for the deficiency of each other, and the respective performance is exerted to the maximum. Particularly, the zigzag main longitudinal grooves formed between the tire shoulder MT-shaped tire shoulder pattern blocks and the AT-shaped middle pattern blocks ensure the drainage and mud discharge performance of the circumferential direction of the pattern, and the dendritic longitudinal grooves formed between the middle pattern blocks of the AT-shaped blocks and the zigzag main longitudinal grooves are continuous in a through manner, so that water and mud in the main longitudinal grooves can be dispersed, and the water and mud throwing performance of the pattern can be improved together; the tire shoulder MT-shaped pattern blocks ensure the firmness of the tire and enhance the off-road performance, but if the middle pattern blocks also adopt MT-shaped pattern blocks, the whole noise of the tire is large, the safety and the comfort are not ensured, the AT-shaped pattern blocks are adopted in the middle, the noise of the tire is integrally reduced, the traction performance is improved, meanwhile, the central pattern blocks 22 adopt the ancient coin knife-shaped design, and accurately, the central pattern blocks 22 adopt the ancient coin knife-shaped design, so that the inflation and off-road performance of the tire are integrally improved; the middle AT-shaped block which is smoothly carried out is adopted, the grounding area is large, the tire noise is reduced, the comfort and the traction performance are ensured, but if the patterns are all the AT blocks, the water throwing, mud throwing and cross-country performance cannot be ensured, and the MT-shaped block of the tire shoulder makes up the defects of the middle AT block. The wide and deep main transverse and longitudinal ditches are communicated, the auxiliary tree-like longitudinal ditches are designed, the excellent drainage performance and mud throwing performance of the tire can be ensured, the tire can travel on a wading road surface, the tire can also land as flat, and the possibility of stone clamping is reduced.

Optionally, the tire shoulder pattern block includes first tire shoulder pattern block 41 and second tire shoulder pattern block 42 along tire tread circumference alternative distribution, and first tire shoulder pattern block 41 adopts the open structure of difference of rupture in turn with second tire shoulder pattern block 42, can clear away the overstocked silt automatically, and antiskid, prevent the stone embedding effectively, guarantee tire safety and smoothness.

Further, be equipped with between first tire shoulder decorative pattern piece 41 and the second tire shoulder decorative pattern piece 42 and even arrange decorative pattern elastic rib 5, can protect the ditch groove bottom not by hard stone drilling, can get rid of the adhesion mud piece simultaneously, provide the powerful traction force in muddy road surface.

Optionally, the sharp corner of the middle pattern block is provided with a conical stepped structure 6, so that deformation of the movable block under load can be reduced, the operation performance and the steering performance can be improved, and noise is reduced.

Further, all be equipped with steel sheet 7 on tire shoulder decorative pattern piece and the middle decorative pattern piece, can cut apart the decorative pattern piece rigidity, improve and control the performance, reduce the wearing and tearing performance simultaneously. Optionally, the through movable blocks and the small longitudinal grooves of the transverse grooves are designed, a middle pattern block water film can be cut, auxiliary drainage is achieved, the wetland control and drainage performance is improved, and the overall pattern control performance is enhanced.

Optionally, step edge structures 8 are arranged on the tire shoulder pattern blocks and the middle pattern blocks, extra occlusion edges can be provided, the ground grabbing force of the tire is increased, meanwhile, the rigidity of the movable blocks is dispersed, and the tire noise is effectively reduced.

Another embodiment of the present invention provides an RT all terrain tire having a tread with the all terrain tire pattern of any of the above embodiments. The tire has the characteristics of strong and bold wildness, pricking resistance, wear resistance, excellent mud throwing and draining performance, excellent control performance, comfort and silence.

As shown in fig. 2, the tire sidewall and the shoulder blocks of the tire adopt a concave-convex engagement structure 9, so that the tire shoulder pressure can be dispersed, and the tire has an anti-collision and anti-friction function.

All possible combinations of the technical features of the above embodiments may not be described for the sake of brevity, but should be considered as within the scope of the present disclosure as long as there is no contradiction between the combinations of the technical features.

The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the utility model. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.

Claims (10)

1. An RT off-road tire pattern, characterized by: the tire comprises tire shoulder pattern blocks distributed along the circumferential direction of a tire tread, wherein the tire shoulder pattern blocks are arranged at the tire shoulders at two sides of the tire and adopt an MT (maximum tire weight) pattern block structure;

the middle pattern block is arranged between the shoulder pattern blocks AT the positions of the shoulders AT the two sides and adopts an AT (automatic tire) pattern block structure;

the ratio of the area of the tire shoulder pattern block to the area of the middle pattern block is S/C, and S/C is more than or equal to 0.9 and less than 1.

2. Off-road tyre tread according to claim 1, characterized in that: the shoulder pattern block further comprises

An inboard shoulder pattern block located at an inboard shoulder position of the tire;

and an outboard shoulder block located at an outboard shoulder position of the tire;

the middle pattern block further comprises

A left pattern block located on the right side of the inner shoulder pattern block;

the central pattern block is positioned on the right side of the left pattern block and distributed along the circumferential central line of the tire tread;

a right pattern block located between the center pattern block and the outboard shoulder pattern block;

also comprises longitudinal main grooves distributed along the circumferential direction of the tire tread, and the longitudinal main grooves further comprise

The first longitudinal main groove is positioned between the adjacent tire shoulder pattern block and the middle pattern block and has a bent structure;

the second longitudinal main channel is positioned between two adjacent middle pattern blocks and is dendritic;

the first longitudinal main groove is communicated with the second longitudinal main groove.

3. Off-road tyre tread as claimed in claim 1, characterized in that: the shoulder pattern blocks are alternately distributed along the circumferential direction of the tire tread

The first shoulder pattern block is arranged on the first tire shoulder pattern block,

and a second shoulder pattern block;

the first tire shoulder pattern block and the second tire shoulder pattern block are of an open type structure with alternate high and low break difference.

4. Off-road tyre tread according to claim 3, characterized in that: and a continuous row of pattern elastic ribs are arranged between the first shoulder pattern blocks and the second shoulder pattern blocks.

5. Off-road tyre tread according to claim 1, characterized in that: the sharp corner of the middle pattern block is provided with a conical stepped structure.

6. Off-road tyre tread according to claim 2, characterized in that: the central pattern block is of an ancient coin structure.

7. Off-road tyre tread according to claim 1, characterized in that: and the tire shoulder pattern blocks and the middle pattern blocks are provided with steel sheets.

8. Off-road tyre tread according to claim 2, characterized in that: and step edge structures are arranged on the tire shoulder pattern blocks and the middle pattern block.

9. An RT off-road tire, characterized in that: on the tread of which a off-the-road tyre pattern as claimed in any one of claims 1-7 is provided.

10. The RT off-road tire of claim 9, wherein: the tire sidewall and the tire shoulder pattern blocks of the tire adopt a concave-convex occlusion structure.

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