CN211308152U - Tire convenient to drainage - Google Patents

Abstract

The application relates to the technical field of tires, in particular to a tire convenient for water drainage, which comprises a tire pattern part; the tire pattern part is divided into a central pattern rib and a tire shoulder pattern rib through a main groove; the central pattern rib at the middle is provided with a first transverse groove, a second transverse groove and a first circumferential groove, and the first transverse groove and the second transverse groove are arranged on two sides of the first circumferential groove in a staggered mode; the central pattern ribs on the two sides are provided with a third transverse groove and a fourth transverse groove; the third transverse groove and the fourth transverse groove are respectively connected with the main grooves on the two sides; the third transverse groove and the fourth transverse groove are inclined in opposite directions, so that the third transverse groove and the fourth transverse groove jointly form a pattern similar to an 'in' shape. This application can provide stronger land fertility of grabbing at the automobile driving in-process, possess better drainage performance simultaneously, reduce the occurence of failure that the tire skidded, solve prior art effectively and have the wetland and control the relatively poor technical problem of performance.

Description

Tire convenient to drainage

Technical Field

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

Background

With the maturity of the automobile market, people pay more attention to the controllability and comfort when driving the automobile, and the tire can play a great role in meeting these demands as an important part influencing the safety and performance of the automobile. Common patterns on the market are difficult to meet the requirements at present, the development of a novel control comfortable tire is particularly important, the comfortable tire can provide more comfortable and silent automobile driving experience for people, the controllability of an automobile is improved, and the comfortable tire has higher market potential.

The conventional tire meets the requirement of a tire running on a dry road surface, is easy to slip when running on a wet and slippery road surface, has weak gripping force and poor controllability, and ensures that a passenger cannot obtain good riding experience. Therefore, a tire is required to have stable dry and wet land control performance, provide stronger ground holding force in the driving process of an automobile, have better drainage performance, ensure noise and riding comfort, achieve optimization and balance of tire performance, and be suitable for all-weather urban road driving.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present application is to provide a tire convenient for drainage, which effectively solves the technical problem of poor wet land control performance in the prior art, has stable dry and wet land control performance, can provide stronger grip in the driving process of an automobile, has better drainage performance, ensures noise and riding comfort, achieves optimization and balance of tire performance, and can adapt to all-weather urban roads.

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

a tire facilitating drainage includes a tire main body and a tire pattern portion that surrounds in a circumferential direction of the tire main body; the tire pattern part is provided with four main grooves which are parallel to each other and are circumferentially surrounded along the tire pattern part, so that the tire pattern part is divided into a first central pattern rib, two second central pattern ribs and two shoulder pattern ribs, the two second central pattern ribs are respectively positioned on two sides of the first central pattern rib, and the two shoulder pattern ribs are respectively positioned on two opposite sides of the two second central pattern ribs;

the first central pattern rib is provided with a first pattern group and a first circumferential groove which surrounds along the circumferential direction of the tire pattern part, and the width of the first circumferential groove is smaller than that of the main groove; the first pattern group comprises a first transverse groove and a second transverse groove, the first transverse groove and the second transverse groove are respectively arranged on two sides of the first circumferential groove, and the first transverse groove and the second transverse groove are arranged in a staggered mode along the circumferential direction of the tire pattern part; the first end of the first transverse groove and the first end of the second transverse groove are respectively connected with the main grooves on two sides, and the second end of the first transverse groove and the second end of the second transverse groove are both connected with the first circumferential groove;

each second central pattern rib is provided with a second pattern group, and the patterns on the two second central pattern ribs are centrosymmetric with respect to the first circumferential groove; the second pattern group comprises a third transverse groove and a fourth transverse groove; the first end of the third transverse groove and the first end of the fourth transverse groove are respectively connected with the main grooves on two sides, and the second end of the third transverse groove is connected with the fourth transverse groove; the third transverse groove and the fourth transverse groove are obliquely arranged, and the oblique direction of the third transverse groove is opposite to that of the fourth transverse groove, so that the third transverse groove and the fourth transverse groove jointly form a herringbone pattern, an inverted herringbone pattern, a herringbone pattern or an inverted herringbone pattern.

Preferably, in the tire, 1 to 2 first steel sheets are arranged between two adjacent first transverse grooves, and two ends of each first steel sheet are respectively connected with the main groove and the first circumferential groove; and 1-2 second steel sheets are arranged between every two adjacent second transverse grooves, and two ends of each second steel sheet are respectively connected with the main groove and the first circumferential groove.

Preferably, in the tire described above, the first steel sheet and the second steel sheet are disposed alternately in the circumferential direction of the tire pattern portion.

Preferably, in the tire described above, 1 to 2 third steel sheets are provided between two adjacent third transverse grooves on each second central rib, and both ends of each third steel sheet are connected to the main groove and the fourth transverse groove, respectively.

Preferably, in the tire described above, a first blade groove is provided between two adjacent fourth transverse grooves on each second central rib, a first end of the first blade groove is connected to the main groove, and a second end of the first blade groove is closed.

Preferably, in the tire described above, each of the shoulder rib is provided with a third rib group and a second circumferential groove that surrounds in the circumferential direction of the tire rib portion, the width of the second circumferential groove is smaller than the width of the main groove, and the ribs on the two shoulder ribs are symmetrical with respect to the center of the first circumferential groove; the third pattern group comprises a fifth transverse groove and a sixth transverse groove which are obliquely arranged, and the oblique direction of the fifth transverse groove is opposite to that of the sixth transverse groove; the first end of the fifth transverse groove is communicated with the outside, the second end of the fifth transverse groove is connected with the first end of the sixth transverse groove, and the second end of the sixth transverse groove is connected with the second circumferential groove.

Preferably, in the tire described above, an arrow-shaped vertical groove is provided between two adjacent fifth horizontal grooves on each shoulder rib, and an arrow of the vertical groove faces outward.

Preferably, in the tire described above, 1 to 2 second sipes and 1 third sipe are further provided between two adjacent fifth lateral grooves on the same shoulder rib; a first end of each second knife groove strip is connected with the vertical groove, and the inclination direction of the second knife groove strip is the same as that of the fifth transverse groove; the inclination direction of the third flute particles is the same as that of the sixth transverse groove, and the first end of the third flute particles is sequentially connected with the second circumferential groove and the main groove.

Preferably, in the tire described above, the second end of the second cutter sipe and the second end of the third cutter sipe communicate with each other.

Preferably, in the tire described above, the tire pattern portion is provided with five tread pattern pitches different in distance along the tread center line.

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

the third transverse groove and the fourth transverse groove are arranged to form a ' in ' -shaped pattern (an ' in ' -shaped pattern, ' a ' V ' -shaped pattern or an ' V ' -shaped pattern) on the tread of the tire, so that a drainage channel can be formed on the tread of the tire and the main groove, the drainage function of the tire is improved, the ' in ' -shaped pattern is a directional tire pattern, the ' in ' -shaped patterns on two second central pattern ribs are arranged in a central symmetry manner, different guiding effects are achieved during automobile running, the tire can be limited to move towards two sides to a certain extent, the tire is not prone to sideslip, the tire has good ground holding force, and accidents caused by tire slipping are reduced;

the first circumferential grooves with smaller widths are arranged on the first central pattern ribs, so that the rigidity of the tread pattern blocks can be effectively reduced, the flexibility of the tire is properly increased, the driving comfort of an automobile is improved, meanwhile, the first circumferential grooves with smaller widths can also absorb partial water, the thickness of a water film on a road surface during driving is effectively reduced, and the risks of water drift and slipping of the tire are reduced;

third, through setting up first horizontal slot and the horizontal slot of second in first circumferential groove both sides respectively, and first horizontal slot and the crisscross setting of the circumference of second along tire decorative pattern portion, can divide into two rows of small pattern pieces of asymmetric with first central rib, can reduce the rigidity of tread effectively, improve the travelling comfort of car, and can also form fine drainage network with first circumferential groove and main groove, thereby further promote the drainage performance of tire, can reduce the occurence of failure that the tire skidded, promote the wetland control performance of tire.

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 for facilitating water drainage according to an embodiment of the present disclosure;

fig. 2 is a schematic tread pattern pitch diagram of a tire facilitating water drainage according to an embodiment of the present application.

In the figure:

the groove structure comprises a first central pattern rib 1, a first transverse groove 11, a second transverse groove 12, a first steel sheet 13, a second steel sheet 14, a second central pattern rib 2, a third transverse groove 21, a fourth transverse groove 22, a third steel sheet 23, a first cutter groove 24, a shoulder pattern rib 3, a fifth transverse groove 31, a sixth transverse groove 32, a second cutter groove 33, a third cutter groove 34, a main groove 4, a first circumferential groove 5, a second circumferential groove 6 and a vertical groove 7.

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.

The application provides a tire convenient to drainage has stable dry and wet land and controls the performance, can provide stronger land fertility of grabbing at the car in-process of traveling, possess better drainage performance simultaneously, guarantee the noise again and take comfortable performance, reach the optimization and the balance of tire performance, can adapt to and drive on all-weather urban road, solve prior art effectively and have the wet land and control the relatively poor technical problem of performance.

Referring to fig. 1-2, an embodiment of the present application provides a tire for facilitating drainage, including a tire main body and a tread portion surrounding in a circumferential direction of the tire main body; the tire pattern part is provided with four main grooves 4 which are parallel to each other and surround along the circumferential direction of the tire pattern part, so that the tire pattern part is divided into a first central pattern rib 1, two second central pattern ribs 2 and two shoulder pattern ribs 3, the two second central pattern ribs 2 are respectively positioned on two sides of the first central pattern rib 1, and the two shoulder pattern ribs 3 are respectively positioned on two opposite sides of the two second central pattern ribs 2; the first central pattern rib 1 is provided with a first pattern group and a first circumferential groove 5 which surrounds along the circumferential direction of the pattern part of the tire, and the width of the first circumferential groove 5 is smaller than that of the main groove 4; the first pattern group comprises a first transverse groove 11 and a second transverse groove 12, the first transverse groove 11 and the second transverse groove 12 are respectively arranged at two sides of the first circumferential groove 5, and the first transverse groove 11 and the second transverse groove 12 are arranged in a staggered mode along the circumferential direction of the pattern part of the tire; a first end of the first transverse groove 11 and a first end of the second transverse groove 12 are respectively connected with the main grooves 4 on two sides, and a second end of the first transverse groove 11 and a second end of the second transverse groove 12 are both connected with the first circumferential groove 5; each second central pattern rib 2 is provided with a second pattern group, and the patterns on the two second central pattern ribs 2 are centrosymmetric with respect to the first circumferential groove 5; the second pattern group comprises a third transverse groove 21 and a fourth transverse groove 22; the first end of the third transverse groove 21 and the first end of the fourth transverse groove 22 are respectively connected with the main grooves 4 on two sides, and the second end of the third transverse groove 21 is connected with the fourth transverse groove 22; the third transverse groove 21 and the fourth transverse groove 22 are both obliquely arranged, and the oblique direction of the third transverse groove 21 is opposite to that of the fourth transverse groove 22, so that the third transverse groove 21 and the fourth transverse groove 22 jointly form a herringbone pattern, an inverted herringbone pattern, a herringbone pattern or an inverted herringbone pattern.

More specifically, the side walls of the main grooves 4 are obliquely arranged, the width of the main grooves 4 is gradually reduced from the opening to the bottom of the main grooves 4, the wide and large circumferential main grooves 4 which are circumferentially surrounded have oblique angle groove walls, so that the self-cleaning performance of the anti-stone clamping tire is improved, the wide and large circumferential main grooves 4 can drain water rapidly, excellent wet land anti-skid performance, turning stability and accurate steering responsiveness can be provided, and the wet land safety performance of the tire is improved. The width of the first circumferential groove 5 may be much smaller than the width of the main groove 4, even the first circumferential groove 5 may be close to the gap (e.g. width less than 2mm), such that the water absorption performance of the first circumferential groove 5 is optimal, although the specific width of the first circumferential groove 5 is designed according to actual needs; the third transverse grooves 21 and the fourth transverse grooves 22 jointly form a herringbone pattern, an inverted herringbone pattern or an inverted herringbone pattern, and the third transverse grooves 21 and the fourth transverse grooves 22 can also jointly form a V-shaped pattern, an inverted V-shaped pattern, a splayed pattern or an inverted splayed pattern, which is not repeated in the application.

The beneficial effect of this application is: (1) the third transverse grooves 21 and the fourth transverse grooves 22 can form ' in ' -shaped patterns (inverted ' in ' -shaped patterns, ' herringbone ' patterns or inverted herringbone ' patterns) on the tire tread, a drainage channel can be formed on the tire tread and the main grooves 4, so that the drainage function of the tire is improved, and the ' in ' -shaped patterns are directed tire patterns, the ' in ' -shaped patterns on the two second central pattern ribs 2 are arranged in central symmetry, so that different guiding effects are realized during the running of an automobile, the movement of the tire towards two sides can be limited to a certain extent, the tire is not easy to sideslip, the tire has good ground holding force, and accidents caused by the slipping of the tire can be reduced; (2) the first circumferential grooves 5 with smaller width are arranged on the first central pattern ribs 1, so that the rigidity of the tread pattern blocks can be effectively reduced, the flexibility of the tire is properly increased, the driving comfort of an automobile is improved, meanwhile, the first circumferential grooves 5 with smaller width can also absorb partial water, the thickness of a water film on a road surface during driving is effectively reduced, and the risk of water drift and slipping of the tire is reduced; (3) through setting up first horizontal slot 11 and the horizontal slot 12 of second in first circumferential groove 5 both sides respectively, and first horizontal slot 11 and the crisscross setting of second horizontal slot 12 along the circumference of tire pattern portion, can divide into two rows of asymmetric little pattern pieces with first center rib, can reduce the rigidity of tread effectively, improve the travelling comfort of car, and can also form fine drainage network with first circumferential groove 5 and main groove 4, thereby further promote the drainage performance of tire, reduce the occurence of failure that the tire skidded, promote the wetland control performance of tire.

Further, in the present embodiment, the sipe portion is provided with five tread pattern pitches having different distances along the tread center line. The tread pattern pitch of five different types can avoid the problem of loud resonance easily caused by the equidistant patterns, thereby achieving the purpose of reducing noise. Referring to fig. 2, the distance between the same positions of two adjacent third transverse grooves 21 on the same center rib is a tread pattern pitch, as viewed from the third transverse groove 21 (or the fourth transverse groove 22). The five pitches of the present application are most preferably 24.3mm, 26.8mm, 29.3mm, 31.77mm and 34.8mm, and the arrangement rule of the five pitches of the whole circle of the tire is the result of computer simulation, and finally the scheme with the minimum noise is selected for arrangement. Of course, five pitches with different distances are only the most preferable scheme of the present application, more than 1 pitch with different distances can be adopted in the design, the effect of reducing noise can also be achieved, and the specific numerical value of the pitch can be designed according to the actual requirement.

Further, in the present embodiment, please refer to fig. 1 and 2, 1 to 2 first steel sheets 13 are disposed between two adjacent first transverse grooves 11, and two ends of each first steel sheet 13 are respectively connected to the main groove 4 and the first circumferential groove 5; 1-2 second steel sheets 14 are arranged between two adjacent second transverse grooves 12, and two ends of each second steel sheet 14 are respectively connected with the main groove 4 and the first circumferential groove 5. The rigidity of the first central rib 1 can be properly enhanced by arranging the first steel sheet 13 and the second steel sheet 14 on each small block of the first central rib 1, excessive deformation of the tire when contacting with the ground can be reduced, and the arrangement of the first steel sheet 13 and the second steel sheet 14 and the arrangement of the first transverse groove 11 and the second transverse groove 12 are combined, so that the tread pattern of the tire is changed at intervals on the style, and the aesthetic feeling of the whole tire can be increased.

Further, in the present embodiment, referring to fig. 1 and 2, the first steel piece 13 and the second steel piece 14 are arranged alternately in the circumferential direction of the tire pattern portion. The rigidity of the first central pattern rib 1 along the circumferential direction can be uniformly changed by the first steel sheet 13 and the second steel sheet 14 which are arranged in a staggered mode, so that the rigidity of each pattern block on the first central pattern rib 1 is moderate, the comfort of a vehicle during running can be improved, and a passenger has good riding experience.

More specifically, referring to fig. 2, on the first center rib 1, 2 first steel plates 13 or 2 second steel plates 14 are generally provided on the blocks with a relatively large pitch (for example, 31.77mm or 34.8mm), and 1 first steel plate 13 or 2 second steel plates 14 are generally provided on the blocks with a relatively small pitch, so that the rigidity of each block can be effectively balanced, the rigidity and flexibility of the first center rib 1 are moderate, and the comfort of the automobile during running can be improved. Most preferably, the first steel piece 13 may be disposed parallel to the first lateral groove 11 and the second steel piece 14 may be disposed parallel to the second lateral groove 12, which may make the tire tread look more attractive

Further, in the present embodiment, 1 to 2 third steel sheets 23 are disposed between two adjacent third transverse grooves 21 on each second central rib 2, and both ends of each third steel sheet 23 are respectively connected to the main groove 4 and the fourth transverse groove 22. The rigidity of the second central pattern rib 2 can be properly enhanced through the arrangement of the third steel sheets 23, excessive deformation of the tire when the tire is in contact with the bottom surface is reduced, the rigidity of each pattern block on the second central pattern rib 2 is moderate, the comfort of the automobile during running can be further improved, a passenger has good riding experience, in addition, the arrangement of the third steel sheets 23 and the arrangement of the third transverse grooves 21 and the fourth transverse grooves 22 enable the tread patterns of the tire to be changed at intervals on the style, and the integral aesthetic feeling of the tire can be increased.

More specifically, referring to fig. 2, on the second center rib 2, 2 third steel plates 23 are generally provided on the blocks with a relatively large pitch (for example, 31.77mm or 34.8mm), and 1 third steel plate 23 is generally provided on the blocks with a relatively small pitch, so that the rigidity of each block can be effectively balanced, and the rigidity and flexibility of the first center rib 1 are moderate, which is beneficial to improving the comfort of the automobile during driving. Most preferably, the third steel piece 23 may be disposed in parallel with the third lateral groove 21, which may make the tire tread look more beautiful.

Further, in this embodiment, referring to fig. 1 and fig. 2, a first flute 24 is disposed between two adjacent fourth transverse grooves 22 on each second central rib 2, a first end of the first flute 24 is connected to the main groove 4, and a second end of the first flute 24 is closed. Through the first knife groove line 24 that cuts neatly along tire decorative pattern portion circumference, can effectively improve tire side direction and the straight land fertility of grabbing, can improve fine brake performance to a certain extent to can guarantee the high speed performance and the control performance of tire.

Further, in the present embodiment, referring to fig. 1 and fig. 2, each shoulder rib 3 is provided with a third rib group and a second circumferential groove 6 surrounding along the circumferential direction of the tire rib portion, the width of the second circumferential groove 6 is smaller than the width of the main groove 4, and the ribs on the two shoulder ribs 3 are centrosymmetric with respect to the first circumferential groove 5; the third pattern group comprises fifth transverse grooves 31 and sixth transverse grooves 32 which are obliquely arranged, the oblique direction of the fifth transverse grooves 31 is opposite to that of the sixth transverse grooves 32, so that the fifth transverse grooves 31 and the sixth transverse grooves 32 form break angles at the joints; a first end of the fifth transverse groove 31 communicates with the outside, a second end of the fifth transverse groove 31 is connected with a first end of the sixth transverse groove 32, and a second end of the sixth transverse groove 32 is connected with the second circumferential groove 6. When the automobile runs on the wet and slippery road surface, water can be squeezed into the tire, the second circumferential groove 6, the fifth transverse groove 31 and the sixth transverse groove 32 on the tire shoulder can form a drainage channel communicated with the outside, so that the outward drainage of the tire is more smooth, the rainwater drainage efficiency is higher, the drainage performance of the tire is improved, the self-cleaning capability of rapidly draining water and preventing stones is realized, and the driving experience of the wet and slippery road surface can be effectively ensured.

More specifically, referring to fig. 1 and 2, most preferably, the length of the fifth transverse groove 31 is greater than the length of the sixth transverse groove 32, and the width of the fifth transverse groove 31 gradually increases in a direction away from the sixth transverse groove 32, so that the water inside the tire is guided to flow outwards, and the drainage performance of the tire can be improved to a certain extent. The tire shoulder pattern blocks can optimize the shape of a grounding impression and the distribution of grounding stress of the tire shoulder part through the radian design of the special tire tread part, prevent the early abrasion of the tire shoulder part and enhance the control stability of the tire.

Further, in the present embodiment, referring to fig. 1 and fig. 2, an arrow-shaped vertical groove 7 is disposed between two adjacent fifth horizontal grooves 31 on each shoulder rib 3, and an arrow of the vertical groove 7 is disposed outward. The vertical grooves 7 in the shape of the arrowheads adopt the inner groove design, so that the aesthetic feeling of the whole pattern blocks can be improved, and when the automobile starts to run and the tire rolls, the vertical grooves 7 can change the flow of surrounding air, thereby effectively reducing the early abnormal wear of shoulders and partial tire noise.

Further, in this embodiment, referring to fig. 1 and fig. 2, 1 to 2 second sipes 33 and 1 third sipe 34 are further provided between two adjacent fifth transverse grooves 31 on the same shoulder rib 3; a first end of each second knife blade groove grain 33 is connected with the vertical groove 7, and the inclination direction of the second knife blade groove grain 33 is the same as that of the fifth transverse groove 31; the third sipe component 34 has the same inclination direction as the sixth lateral groove 32, and a first end of the third sipe component 34 is connected to the second circumferential groove 6 and the main groove 4 in this order. The rigidity of the shoulder pattern rib 3 can be effectively reduced through the arrangement of the second knife groove 33 and the third knife groove 34, so that the driving comfort of an automobile is improved, meanwhile, the second knife groove 33 and the third knife groove 34 can also absorb partial moisture, the thickness of a water film on a road surface during driving is effectively reduced, and the risk of water drift and slipping of a tire is reduced. In addition, the third sipe 34, the second circumferential groove 6, the fifth oblique groove, the sixth oblique groove and the main groove 4 are communicated to form a drainage network on the shoulder rib 3, so that the drainage performance of the shoulder rib 3 can be further improved, the occurrence of tire slip accidents is reduced, and the wet control performance of the tire is improved.

More specifically, on the shoulder rib 3, 2 second sipes 33 are generally provided on the shoulder blocks with a relatively large pitch, and 1 second sipe 33 is generally provided on the blocks with a relatively small pitch, so that the rigidity of each shoulder block can be effectively balanced, the rigidity and flexibility of the shoulder rib 3 are moderate, and the improvement of the comfort of the automobile during running is facilitated. Most preferably, the second sipe 33 may be arranged parallel to the fifth lateral groove 31 and the third sipe 34 may be arranged parallel to the sixth lateral groove 32, which may make the tire tread more aesthetically pleasing.

Further, in this embodiment, referring to fig. 1 and fig. 2, the second end of the second knife blade groove thread 33 and the second end of the third knife blade groove thread 34 may not be communicated with each other, and the second end of the second knife blade groove thread 33 and the second end of the third knife blade groove thread 34 may also be communicated with each other. Of course, it is preferable to use the second cutter flutes 33 and the third cutter flutes 34 communicating with each other, so that the water inside the second cutter flutes 33 and the vertical grooves 7 can be easily discharged.

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 (10)

1. A tire facilitating drainage, comprising a tire main body and a tire pattern portion surrounding in a circumferential direction of the tire main body;

the tire pattern part is provided with four main grooves which are parallel to each other and are circumferentially surrounded along the tire pattern part, so that the tire pattern part is divided into a first central pattern rib, two second central pattern ribs and two shoulder pattern ribs, the two second central pattern ribs are respectively positioned on two sides of the first central pattern rib, and the two shoulder pattern ribs are respectively positioned on two opposite sides of the two second central pattern ribs;

the first central pattern rib is provided with a first pattern group and a first circumferential groove which surrounds along the circumferential direction of the tire pattern part, and the width of the first circumferential groove is smaller than that of the main groove; the first pattern group comprises a first transverse groove and a second transverse groove, the first transverse groove and the second transverse groove are respectively arranged on two sides of the first circumferential groove, and the first transverse groove and the second transverse groove are arranged in a staggered mode along the circumferential direction of the tire pattern part; the first end of the first transverse groove and the first end of the second transverse groove are respectively connected with the main grooves on two sides, and the second end of the first transverse groove and the second end of the second transverse groove are both connected with the first circumferential groove;

each second central pattern rib is provided with a second pattern group, and the patterns on the two second central pattern ribs are centrosymmetric with respect to the first circumferential groove; the second pattern group comprises a third transverse groove and a fourth transverse groove; the first end of the third transverse groove and the first end of the fourth transverse groove are respectively connected with the main grooves on two sides, and the second end of the third transverse groove is connected with the fourth transverse groove; the third transverse groove and the fourth transverse groove are obliquely arranged, and the oblique direction of the third transverse groove is opposite to that of the fourth transverse groove, so that the third transverse groove and the fourth transverse groove jointly form a herringbone pattern, an inverted herringbone pattern, a herringbone pattern or an inverted herringbone pattern.

2. The tire according to claim 1, wherein 1 to 2 first steel sheets are arranged between two adjacent first transverse grooves, and both ends of each first steel sheet are respectively connected with the main groove and the first circumferential groove;

and 1-2 second steel sheets are arranged between every two adjacent second transverse grooves, and two ends of each second steel sheet are respectively connected with the main groove and the first circumferential groove.

3. The tire of claim 2, wherein the first steel sheet and the second steel sheet are staggered in a circumferential direction of the tire pattern portion.

4. The tire of claim 1 wherein between 1 and 2 third steel plates are disposed between adjacent ones of said third transverse grooves on each of said second central ribs, each of said third steel plates having opposite ends connected to said main grooves and said fourth transverse grooves, respectively.

5. The tire of claim 4 wherein a first blade groove is provided between two adjacent fourth transverse grooves on each of the second ribs, a first end of the first blade groove is connected to the main groove, and a second end of the first blade groove is closed.

6. The tire according to claim 1, wherein each of the shoulder rib is provided with a third rib group and a second circumferential groove circumferentially surrounding the tire rib portion, the second circumferential groove has a width smaller than that of the main groove, and the patterns of the two shoulder ribs are symmetrical with respect to the center of the first circumferential groove;

the third pattern group comprises a fifth transverse groove and a sixth transverse groove which are obliquely arranged, and the oblique direction of the fifth transverse groove is opposite to that of the sixth transverse groove;

the first end of the fifth transverse groove is communicated with the outside, the second end of the fifth transverse groove is connected with the first end of the sixth transverse groove, and the second end of the sixth transverse groove is connected with the second circumferential groove.

7. The tire according to claim 6, wherein an arrow-shaped vertical groove is provided between two adjacent fifth transverse grooves on each of the shoulder rib, and the arrow of the vertical groove is directed outward.

8. The tire according to claim 7, wherein 1 to 2 second sipes and 1 third sipe are further provided between two adjacent fifth lateral grooves on the same shoulder rib;

a first end of each second knife groove strip is connected with the vertical groove, and the inclination direction of the second knife groove strip is the same as that of the fifth transverse groove;

the inclination direction of the third flute particles is the same as that of the sixth transverse groove, and the first end of the third flute particles is sequentially connected with the second circumferential groove and the main groove.

9. The tire of claim 8, wherein a second end of the second knife flute and a second end of the third knife flute are in communication with one another.

10. A tyre according to anyone of claims 1 to 9, wherein said tread portion is provided with five tread pattern pitches at different distances along the tread centre line.

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