CN217259416U

CN217259416U - Long-distance trailer tire pattern

Info

Publication number: CN217259416U
Application number: CN202221262325.3U
Authority: CN
Inventors: 张云秀; 刘圣林; 李智; 熊洋洋; 杨恒潇; 宋传平
Original assignee: Eve Rubber Institute Co ltd
Current assignee: Eve Rubber Institute Co ltd
Priority date: 2022-05-23
Filing date: 2022-05-23
Publication date: 2022-08-23
Anticipated expiration: 2032-05-23

Abstract

The utility model belongs to the technical field of automobile tires, in particular to a long-distance trailer tire pattern, including the vertical straight ditch of shoulder that middle riffled strip district and bilateral symmetry set up, middle riffled strip district is including the first riffled strip, second riffled strip and the third riffled strip that arrange in proper order, and the bilateral symmetry of second riffled strip is provided with vertical slot, all is provided with tortuous shallow trench and Z shape shallow ditch on first riffled strip, second riffled strip and the third riffled strip, and tortuous shallow trench circumference sets up and its bending part is equipped with the water absorption tank; the Z-shaped shallow trench is transversely arranged and communicated with the bent shallow trench; the outer side of the shoulder longitudinal straight groove is provided with a tire shoulder rib, the tire shoulder rib is provided with a plurality of transverse shallow grooves, and the plurality of transverse shallow grooves are arranged and distributed at equal intervals on the outer side of the shoulder longitudinal straight groove. The tire pattern is suitable for long-distance trailer tires in a long-term high-speed running state, can reduce the rolling resistance and noise of the long-distance trailer tires, and simultaneously improves the abrasion performance of the tires.

Description

Long-distance trailer tire pattern

Technical Field

The utility model belongs to the technical field of automobile tire, concretely relates to long-distance trailer tire decorative pattern.

Background

In modern society, as the popularity of automobiles is higher, consumers pay more attention to the use and performance of vehicles, and tires are one of important parts of vehicles, and reference coefficients such as wear resistance, rolling resistance and noise affect the daily use of vehicles, while in the case of long-distance trailer tires, because the tires of vehicles are always in a high-speed running state, the abrasion of the tires is relatively large.

The design of the tire pattern has the advantages of obvious advantages in medium and long distance mixed use, but has the defects of high rolling resistance, low abrasion and high noise in high-speed use. The rolling resistance of the tire is mainly caused by hysteresis loss caused by rubber deformation in the running process of the tire, the existing solution is generally solved by adjusting the formula of the tire and adding white carbon black, but the abrasion performance of the tire is generally greatly reduced after the white carbon black is added, carbon emission is reduced in actual use, and the emission of dust particles is increased. The wearing and tearing of tire then mainly are caused by decorative pattern and ground sliding friction, and the rigidity of riffled has been reduced to the wide and dark decorative pattern when promoting drainage performance, has increased the creep of tire riffled, and then has increased the sliding friction proportion, and more decorative grooves have still improved the pumping noise of tire simultaneously.

Therefore, in order to reduce rolling resistance and noise and improve the tire wear performance, a long-distance trailer pattern tire with low rolling resistance, low noise and high mileage is designed and developed.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an above-mentioned problem that exists among the solution prior art provides a long-distance trailer tire decorative pattern, is applicable to long-distance trailer tire of long-term high-speed running state, can reduce long-distance trailer tire's rolling resistance and noise, promotes the wearing and tearing performance of tire simultaneously.

The technical scheme of the utility model is that:

a long-distance trailer tire pattern comprises a middle pattern rib area and shoulder longitudinal straight grooves symmetrically arranged on two sides of the middle pattern rib area, wherein the middle pattern rib area comprises a first pattern rib, a second pattern rib and a third pattern rib which are sequentially arranged, longitudinal thin grooves are symmetrically arranged on two sides of the second pattern rib, zigzag shallow grooves and Z-shaped shallow grooves are respectively arranged on the first pattern rib, the second pattern rib and the third pattern rib, the zigzag shallow grooves are circumferentially arranged, and water absorption grooves are arranged at the bent positions of the zigzag shallow grooves; the Z-shaped shallow trench is transversely arranged and communicated with the bent shallow trench; the tire shoulder rib structure is characterized in that tire shoulder ribs are arranged on the outer sides of the shoulder longitudinal straight grooves, transverse shallow grooves are formed in the tire shoulder ribs, and the plurality of transverse shallow grooves are distributed on the outer sides of the shoulder longitudinal straight grooves at equal intervals.

Furthermore, the Z-shaped shallow trenches on the second pattern strip are distributed on two sides of the bent shallow trench in an equidistant and staggered manner, one end of each Z-shaped shallow trench is communicated with the bent shallow trench, and the other end of each Z-shaped shallow trench is communicated with the longitudinal thin trench; the Z-shaped shallow trenches on the first riffled rib and the third riffled rib are distributed on two sides of the zigzag shallow trench in an equidistant and staggered mode, one end of each zigzag shallow trench is communicated with the zigzag shallow trench, and the other end of each zigzag shallow trench is communicated with the zigzag shallow trench or the shoulder longitudinal straight trench.

Further, the transverse shallow grooves are rectangular shallow grooves, one end of each transverse shallow groove is connected with the shoulder longitudinal straight groove, the other end of each transverse shallow groove is transversely arranged in an inclined mode, and the inclination angle is 20-40 degrees.

Furthermore, both sides of the two shoulder longitudinal straight grooves are provided with cutter groove steel sheets, and the cutter groove steel sheets are distributed at equal intervals or nearly equal intervals.

Furthermore, the longitudinal microgrooves comprise a first longitudinal microgroove and a second longitudinal microgroove, the first longitudinal microgroove is arranged between the first rib and the second rib, cutter slot steel sheets are arranged on two sides of the first longitudinal microgroove, and the cutter slot steel sheets are distributed at equal intervals; and a second longitudinal fine groove is arranged between the second rib and the third rib, and the two sides of the second longitudinal fine groove are provided with cutter groove steel sheets which are distributed at equal intervals.

Furthermore, the shoulder longitudinal straight groove is circumferentially provided with a wave-shaped groove.

Furthermore, the cross section of the longitudinal thin groove is in a Y-shaped structure with a wide upper end and a narrow lower end, the upper end of the Y-shaped structure is in a step shape or an inverted ladder shape, and the lower end of the Y-shaped structure is in a U shape.

The utility model has the advantages that:

the utility model provides a long-distance trailer tire pattern, through the design in middle riffled strip district, reach super high area to ground ratio to effectively promote tire wearing and tearing and reduce tire rolling resistance and noise; the curved shallow trenches arranged in the circumferential direction and the water absorption grooves arranged on the curved shallow trenches are combined with the Z-shaped shallow trenches, so that the wetland drainage performance and the ground gripping force of the tire are effectively improved; through the design of the cutter slot steel sheet and the tire shoulder transverse shallow groove, rolling resistance and abrasion can be effectively reduced, the wet and slippery performance of the tire is greatly improved, and meanwhile, the roughness of the groove wall of the tire pattern is increased, so that the running noise of the tire is reduced through the reflection and absorption functions.

Drawings

Fig. 1 is a schematic structural diagram of a tire pattern provided by the present invention;

fig. 2 is a schematic cross-sectional structure view of the longitudinal thin groove provided by the present invention;

in the above figures, 1, the shoulder part is a longitudinal straight groove; 2. a longitudinal sipe; 3. a wavy groove; 4. tire shoulder ribs; 5-1, first ribs; 5-2, second pattern strips; 5-3, third ribs; 6. a transverse shallow groove; 7. bending the shallow trench; 8. a water suction tank; 9. a blade groove steel sheet; 10. a Z-shaped shallow trench.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and examples.

In the description of the present invention, it should be noted that the terms "inside", "outside", "upper", "lower", "middle", "both sides", etc. indicate the positional relationship based on the drawings, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

As shown in figure 1, the utility model relates to a long-distance trailer tyre pattern, which comprises a middle rib area and shoulder longitudinal straight grooves 1 symmetrically arranged at two sides of the middle rib area, wherein the middle rib area comprises a first rib 5-1, a second rib 5-2 and a third rib 5-3 which are sequentially arranged, the three ribs jointly form a middle area of the tyre pattern, the land occupation ratio of the pattern in the area reaches more than 95 percent, the ultrahigh land occupation ratio can effectively improve the abrasion of the tire and reduce the rolling resistance and the noise of the tire, but the ultrahigh land occupation ratio can reduce the drainage performance of the tire, in order to improve the drainage performance of the tire, zigzag shallow trenches 7 are arranged at the central positions of the surfaces of the three ribs, the zigzag shallow trenches 7 are arranged along the circumferential direction, and the bending part is provided with a water absorption groove 8 which can absorb or store water and is an oval groove, and the depth of the groove accounts for 1/5-4/5 of the total depth of the patterns. The first rib 5-1, the second rib 5-2 and the third rib 5-3 are also provided with a Z-shaped shallow trench 10, the Z-shaped shallow trench 10 is transversely arranged and communicated with a zigzag shallow trench 7, longitudinal fine grooves 2 are symmetrically arranged on two sides of the second rib 5-2, one side of each of the first rib 5-1 and the third rib 5-3 is communicated with the shoulder longitudinal straight groove 1, and the other side of each of the first rib 5-1 and the third rib 5-3 is connected with the longitudinal fine grooves 2. The Z-shaped shallow trenches 10 on the first rib 5-1 and the third rib 5-3 are used to communicate the zigzag shallow trenches 7 with the shoulder longitudinal straight trenches 1.

Specifically, the Z-shaped shallow trenches 10 on the second pattern strip 5-2 are distributed on two sides of the zigzag shallow trench 7 in an equidistant and staggered manner, one end of each Z-shaped shallow trench 10 distributed on the two sides is communicated with the zigzag shallow trench 7, and the other end of each Z-shaped shallow trench is communicated with the longitudinal thin trench 2; the Z-shaped shallow trenches 10 on the first ribs 5-1 and the third ribs 5-3 are distributed on two sides of the zigzag shallow trenches 7 in an equidistant staggered mode, the Z-shaped shallow trenches 10 close to one side of the longitudinal thin trench 2 are communicated with the zigzag shallow trenches 7 and the longitudinal thin trench 2, and the Z-shaped shallow trenches 10 close to one side of the shoulder longitudinal straight trench 1 are communicated with the zigzag shallow trenches 7 and the shoulder longitudinal straight trench 1. The zigzag shallow trenches 7 and the Z-shaped shallow trenches 10 in different directions effectively improve the wet land drainage performance and the ground holding force of the tire.

Further, the longitudinal microgrooves 2 comprise a first longitudinal microgroove and a second longitudinal microgroove, the first longitudinal microgroove is arranged between the first rib 5-1 and the second rib 5-2, the two sides of the first longitudinal microgroove are provided with cutter slot steel sheets 9, and the cutter slot steel sheets 9 are arranged at equal intervals; a second longitudinal thin groove is arranged between the second pattern rib 5-2 and the third pattern rib 5-3, the two sides of the second longitudinal thin groove are provided with cutter groove steel sheets 9, and the cutter groove steel sheets 9 are distributed at equal intervals. The dense cutter groove steel sheets 9 can effectively reduce the abrasion of the tire river bed, and can further improve the wet performance of the tire while reducing the noise of the tire.

Through the design of the zigzag patterns in different directions such as the zigzag shallow grooves 7 and the Z-shaped shallow grooves 10 and the blade steel sheets 9, the comprehensive performance of the tire on long-distance ice and snow road surfaces is improved.

In the embodiment, the outer side of the shoulder longitudinal straight groove 1 is a shoulder rib 4 which is a rib with a closed shoulder; the tire shoulder rib 4 is provided with a transverse shallow groove 6, and the plurality of transverse shallow grooves 6 are arranged and distributed at equal intervals on the outer side of the shoulder longitudinal straight groove 1. The transverse shallow grooves 6 are rectangular shallow grooves, one end of each transverse shallow groove 6 is connected with the shoulder longitudinal straight groove 1, the other end of each transverse shallow groove 6 is transversely arranged in an inclined mode, the inclined angle ranges from 20 degrees to 40 degrees, in a specific embodiment, the inclined angle can be set to any degree between 20 degrees and 40 degrees according to actual needs, and 30 degrees is preferred. Furthermore, both sides of the two shoulder longitudinal straight grooves 1 are provided with the cutter groove steel sheets 9, and the cutter groove steel sheets 9 are arranged and distributed at equal intervals or nearly equal intervals. The tire shoulder patterns are closed, rolling resistance and abrasion can be effectively reduced, tire noise can be effectively reduced, the drainage performance of the tire can be improved by the rectangular transverse shallow grooves 6 on the surface, the wet land grabbing force is improved, the tire wet skid performance can be greatly improved by the cutter blade steel sheets 9, meanwhile, the roughness of the groove walls of the tire patterns is increased, and therefore the tire driving noise is reduced through the reflection and absorption functions.

Furthermore, the groove bottom position of the shoulder longitudinal straight groove 1 is circumferentially provided with a wave-shaped groove 3. The design of the straight groove on the surface is favorable for reducing the rolling resistance, the groove bottom is designed into the wave-shaped groove 3, the stone clamping can be reduced, the stress is dispersed, and the groove cracking caused by local stabbing is avoided.

As shown in FIG. 2, the cross-sectional shape of the longitudinal thin groove 2 is a Y-shaped structure with a wide upper end and a narrow lower end, the upper end of the Y-shaped structure is step-shaped or inverted trapezoid-shaped, the depth is generally 1-4 mm, the lower end of the Y-shaped structure is U-shaped, and the upper end and the lower end are in a communicated state. The design enables the surface of the pattern to be wider, is beneficial to drainage and improves the wet skid performance, and the bottom to be narrower, so that the ground contact surface can be in an interlocking support state in the running process of the tire, and the creeping of the tire pattern rib is reduced, thereby reducing the rolling resistance and improving the abrasion of the tire.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or modification made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A long-distance trailer tire pattern is characterized by comprising a middle pattern rib area and shoulder longitudinal straight grooves symmetrically arranged on two sides of the middle pattern rib area, wherein the middle pattern rib area comprises a first pattern rib, a second pattern rib and a third pattern rib which are sequentially arranged, longitudinal thin grooves are symmetrically arranged on two sides of the second pattern rib, zigzag shallow grooves and Z-shaped shallow grooves are arranged on the first pattern rib, the second pattern rib and the third pattern rib, the zigzag shallow grooves are circumferentially arranged, and water absorption grooves are arranged at the bent parts of the zigzag shallow grooves; the Z-shaped shallow trench is transversely arranged and communicated with the bent shallow trench; the tire shoulder rib structure is characterized in that tire shoulder ribs are arranged on the outer sides of the shoulder longitudinal straight grooves, transverse shallow grooves are formed in the tire shoulder ribs, and the plurality of transverse shallow grooves are distributed on the outer sides of the shoulder longitudinal straight grooves at equal intervals.

2. The long distance trailer tire pattern of claim 1, wherein said zigzag shallow grooves on said second pattern strip are arranged in an alternating pattern on opposite sides of said zigzag shallow grooves, one end of said zigzag shallow grooves being in communication with said zigzag shallow grooves and the other end of said zigzag shallow grooves being in communication with said longitudinal sipe; the Z-shaped shallow grooves on the first ribs and the third ribs are distributed on two sides of the zigzag shallow grooves in an equidistant staggered mode, one end of each zigzag shallow groove is communicated with the zigzag shallow grooves, and the other end of each zigzag shallow groove is communicated with the zigzag shallow grooves or the shoulder longitudinal straight grooves.

3. The long distance trailer tire pattern of claim 1, wherein said shallow transverse grooves are rectangular grooves, one end of said shallow transverse grooves is connected to the straight longitudinal shoulder groove, the other end of said shallow transverse grooves is transversely inclined at an angle of 20-40 °.

4. The long distance trailer tire tread of claim 1, wherein both sides of the two shoulder longitudinal straight grooves are provided with blade groove steel sheets, and a plurality of blade groove steel sheets are arranged and distributed at equal intervals or nearly equal intervals.

5. The long haul trailer tire tread of claim 1, wherein said longitudinal sipes include a first longitudinal sipe and a second longitudinal sipe, the first longitudinal sipe is located between the first rib and the second rib, the sipe is located on both sides of the first longitudinal sipe, and the sipe is located on a plurality of equal intervals; and a second longitudinal fine groove is arranged between the second rib and the third rib, and the two sides of the second longitudinal fine groove are provided with cutter groove steel sheets which are distributed at equal intervals.

6. The long distance trailer tire pattern of claim 1, wherein said shoulder longitudinal straight grooves are circumferentially provided with undulating grooves.

7. The long distance trailer tire pattern of claim 1, wherein said longitudinal sipe has a cross-sectional shape of a Y-shaped structure with a wider upper end and a narrower lower end, the upper end of the Y-shaped structure being stepped or inverted, and the lower end of the Y-shaped structure being U-shaped.