CN217598249U - All-wheel-position high-grip-performance truck tire pattern - Google Patents

Abstract

The utility model relates to a high-grip truck tire pattern for all wheel positions, which comprises a central pattern groove, a longitudinal lateral pattern groove, a middle pattern block and a tire shoulder pattern block; the middle pattern blocks are provided with streamline grooves which are equally distributed along the circumferential direction, the streamline grooves are communicated with the central pattern groove and the longitudinal side pattern grooves and divide the middle pattern blocks into a plurality of cow-hoof type pattern blocks with the same size, auxiliary pattern grooves are arranged at two ends of each streamline groove, unequal-depth steps are arranged in the auxiliary pattern grooves, and the step depth is 0.3-0.6 time of the depth of the central pattern groove; be equipped with broken line type sipe on the cattle hoof type decorative pattern piece, the slope of broken line type sipe sets up and divides cattle hoof type decorative pattern piece equally, and the department of bending in broken line type sipe is equipped with cylindrical hole. The tire patterns have high ground gripping performance in the whole life cycle, can reasonably balance the ground gripping performance of the tire, the wear-resisting service life, the driving braking performance, the comfort and the like, and meet the higher requirements of the conventional high-performance commercial vehicle on the ground gripping performance and the safety of the tire.

Description

All-wheel-position high-grip-performance truck tire pattern

Technical Field

The utility model belongs to the technical field of the tire, a truck tire decorative pattern is related to, especially relate to a full wheel position is with high ground nature truck tire decorative pattern of grabbing.

Background

With the continuous development of economy and science and technology, the performance of commercial vehicles is continuously improved, the performance requirement on the truck tire is further improved, and the tread pattern of the tire directly contacts the ground, so that the complex use conditions including road conditions, loads, speeds, environmental conditions and other factors need to be comprehensively considered when the pattern is designed. The design of the tyre pattern of the whole wheel position generally adopts a combined pattern combining transverse grooves and longitudinal grooves at present, wherein the longitudinal grooves mainly support steering stability and prevent the lateral sliding of a vehicle, and the transverse grooves mainly provide traction force and braking resistance.

Chinese patent CN 212765524U proposes a short-distance all-wheel-position tire with tire pattern and heavy truck, comprising a zigzag longitudinal main groove and two zigzag longitudinal lateral grooves, wherein the longitudinal main groove is a pitch inner equal dividing structure, the longitudinal lateral grooves are variable-length zigzag structures, the longitudinal main groove and the longitudinal lateral grooves are staggered, and the ratio of the circumferential length of the long broken line of the longitudinal lateral groove to the circumferential length of the short broken line of the longitudinal lateral groove is 2-3. The utility model discloses an overcome current well short distance full wheel position tire because of set up the technical problem that the tire life that more sword groove leads to shortens in the tread decorative pattern, prolong the life of tire, reduce tire use cost. Another patent CN 215970960U discloses a comprehensive tread pattern structure for a road and a tire, which is provided with a first rib and a second rib extending along the circumferential direction of the tire, and two rows of first pattern blocks and second pattern blocks extending along the circumferential direction of the tire; the first pattern block and the second pattern block are separated by a central pattern groove extending along the circumferential direction of the tire; the first pattern blocks are separated from the first ribs by left pattern grooves extending along the circumferential direction of the tire; the second pattern block and the second pattern strip are separated by a right pattern groove extending along the circumferential direction of the tire; the two adjacent first pattern blocks are separated by a first connecting groove, and the two adjacent second pattern blocks are separated by a second connecting groove; the arrangement sequence of the first pattern block and the second pattern block in the tire circumferential direction is also disclosed. The utility model discloses a vertical design proportion, the arrangement of well decorative pattern piece do benefit to and reduce the decorative pattern noise.

The above-mentioned published patent optimizes noise reduction and service life, and simultaneously, influences the tire grip performance, and reduces the tire grip performance, so it is necessary to develop a new type full-wheel truck tire pattern to meet the requirement of the existing high-performance commercial vehicle on higher grip performance in the tire life cycle.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve the above-mentioned problem that exists among the prior art, provided a full wheel position with high ground gripping nature truck tire decorative pattern, this tire decorative pattern all possesses the high ground gripping performance in full life cycle to can rationally balance the tire and grab ground performance and wear life, drive braking nature and travelling comfort performance, satisfied current high performance commercial car and grabbed ground performance and the higher requirement of security to the tire.

The technical scheme of the utility model is that:

a high-grip heavy-duty tyre pattern for all wheel positions comprises a central pattern groove and longitudinal side pattern grooves on two sides of the central pattern groove, wherein a middle pattern block is arranged between the central pattern groove and the longitudinal side pattern grooves, and a shoulder pattern block is arranged on the outer side of the longitudinal side pattern groove; the middle pattern blocks are provided with streamline grooves which are equally distributed along the circumferential direction, the streamline grooves are communicated with the central pattern groove and the longitudinal side pattern grooves and divide the middle pattern blocks into a plurality of cow-hoof type pattern blocks with the same size, two ends of the streamline grooves, which are connected with the central pattern groove and the longitudinal side pattern grooves, are provided with auxiliary pattern grooves, the grooves between the auxiliary pattern grooves are internally provided with steps with different depths, and the step depth is 0.3-0.6 times of the depth of the central pattern groove; the cattle hoof-shaped pattern blocks are provided with broken line-shaped thin cutter grooves, the broken line-shaped thin cutter grooves are obliquely arranged and divide the cattle hoof-shaped pattern blocks evenly, the bending positions of the broken line-shaped thin cutter grooves are provided with cylindrical holes, and rubber blocks are arranged in the middle of the holes.

Furthermore, the included angle between the streamline groove and the longitudinal center line of the tread is 40-48 degrees, the transverse section of the streamline groove is in an unequal-depth symmetrical step shape, the depth of one side of the step is deeper, the groove wall is sunken inwards for a certain distance along the depth direction, and an arc-shaped groove is formed in the groove wall on one side of the step.

Furthermore, the broken line type sipe is a three-section type bending design, two cylindrical holes are arranged on the three-section type broken line type sipe, the sipe depth on two sides of each hole is 0.3-0.6 times of the center sipe depth, and the sipe depth between two holes is deeper than the sipe depth on two sides of each hole.

Furthermore, the rubber block is a cuboid small rubber block, the height of the cuboid small rubber block is 2/3 of the depth of the hole, and the thickness of the cuboid small rubber block is 1/2 of the diameter of the hole.

Furthermore, the outer side of the longitudinal side groove is also provided with an auxiliary groove, the auxiliary groove is a trapezoidal auxiliary groove, the depth of the auxiliary groove is 2/3 of the depth of the central groove, and the section shape of the auxiliary groove is an asymmetric V shape with a bottom being in a circular arc shape.

Furthermore, the shoulder pattern blocks are provided with irregular rectangular pattern grooves, the pattern grooves are connected with auxiliary pattern grooves arranged outside the longitudinal side pattern grooves, and the depth of the irregular rectangular pattern grooves is shallower than that of the auxiliary pattern grooves.

Furthermore, the central pattern groove extends along the circumferential direction of the center line of the equator of the tread, is a zigzag longitudinal pattern groove formed by alternately combining arc line segments and straight line segments, has a bending angle of 130-135 degrees, and has the arc line segments at the bending position.

Further, the bending angle of the longitudinal side groove is 140 to 150 degrees, the longitudinal side groove is a broken line type groove with unequal length, and the length L2 of the side wall is as follows: l1=1.6 to 2.2; the longitudinal side pattern groove comprises a first side pattern groove and a second side pattern groove, the first side pattern groove and the second side pattern groove are distributed in a central rotating staggered mode on two sides of the central pattern groove, and the two staggered distances are (1/2) L1.

Furthermore, the included angle of the groove wall of the central groove is 26-30 degrees, the included angle of the groove wall of the longitudinal side groove is 28-32 degrees, the cross sections of the central groove and the longitudinal side groove are of V-shaped structures with smooth bottoms, polygonal stone removing rubber tables are arranged in the central groove and the longitudinal side groove, and the height of each stone removing rubber table is 1/4 of the depth of the central groove and the longitudinal side groove.

Furthermore, the width of the central pattern block is 0.15-0.25 times of the plane width of the tread, the width of the shoulder pattern block is 0.2-0.35 times of the plane width of the tread, an auxiliary pattern groove and a pattern block connected with the auxiliary pattern groove are further arranged on the shoulder pattern block, and the auxiliary pattern groove is a trapezoidal auxiliary pattern groove.

The utility model has the advantages that:

(1) The utility model provides a full wheel position is with high ground nature truck tire decorative pattern of grabbing, guaranteed the rigidity and the wear-resisting resistant piece nature that falls of decorative pattern piece through cow hoof type decorative pattern piece, and the streamlined groove of variable depth has homogenized the rigidity and the drainage smooth and easy degree at whole tread position when providing the drivability, has improved the cladding nature of tread to wet and dry ground, and then has improved the ground performance of grabbing of tire; along with the abrasion of the tire tread, the shape of the streamline groove is gradually changed from arc to wave, and the streamline groove is matched with the auxiliary pattern groove arranged at the edge part of the main pattern groove, so that the ground gripping performance of the tire in the middle and later periods of use is further improved.

(2) The combination of the variable-depth zigzag sipe and the hole in the middle of the central pattern block homogenizes the rigidity of the pattern block, improves the irregular wear resistance of the pattern block, simultaneously stores and discharges redundant water when a water film cannot be completely cut under the condition of high-speed running on a wet and slippery road surface, and further improves the ground gripping performance of the tire during high-speed running.

(3) In the tire pattern, a central pattern groove with a small bending angle and longitudinal side pattern grooves with a large bending angle are alternately distributed, so that stronger traction and sideslip resistance are provided.

In conclusion, the design performances are greatly improved, and the requirements of the conventional high-performance commercial vehicle on the tire grip performance and the safety are met.

Drawings

FIG. 1 is a schematic structural view of a tread pattern of a truck tire with high grip performance for all wheel positions provided by the present invention;

FIG. 2 is a schematic diagram of the pattern structure of the tire pattern provided by the present invention at the later stage of use;

FIG. 3 is a cross-sectional view of the pattern taken in the direction D-D' of FIG. 1;

FIG. 4 is an enlarged view of a portion of the knife slot of FIG. 1;

FIG. 5 is a cross-sectional view of the pattern taken in the direction L-L of FIG. 1;

FIG. 6 is a cross-sectional view of the pattern in the direction E-E' of FIG. 1;

FIG. 7 is a cross-sectional view of the pattern in the direction F-F' of FIG. 1;

FIG. 8 is a cross-sectional view of the pattern taken in the directions B-B and C-C of FIG. 1;

FIG. 9 is a cross-sectional view of the pattern taken in the direction J-J' of FIG. 1;

FIG. 10 is a cross-sectional view of the pattern taken in the direction M-M of FIG. 1;

in each of the above figures, 1, a central groove; 2. a longitudinal lateral groove; 3. a middle pattern block; 4. a tire shoulder pattern block; 5. a cow-hoof-shaped pattern block; 6. a streamline groove; 7. a broken line type fine knife slot; 8. an auxiliary pattern groove; 9. a step; 10. a stone removing rubber table.

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 "inner", "outer", "upper", "lower", "middle", "both sides" indicate the positional relationship based on the position shown in the drawings, and are only for convenience of description and simplification of 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 FIG. 1, the utility model relates to a full wheel position is with high ground gripping nature heavy duty tire decorative pattern, including the tire shoulder part of tread part and both sides, the tread part includes the vertical side tread groove 2 of central tread groove 1 and central tread groove 1 both sides, sets up middle decorative pattern piece 3 between central tread groove 1 and the vertical side tread groove 2, sets up tire shoulder decorative pattern piece 4 outside the vertical side tread groove 2. The middle pattern block 3 is provided with a variable-depth streamline groove 6, the streamline groove 6 is arranged along the circumferential direction in equal parts and is communicated with the central pattern groove 1 and the longitudinal side pattern groove 2, the streamline groove 6 and the central pattern groove 1 and the longitudinal side pattern groove 2 divide the middle pattern block 3 into a plurality of cow-shoe-shaped pattern blocks 5 which are distributed along the circumferential direction and have uniform size, and the rigidity of the pattern blocks and the wear resistance and the falling resistance when the non-paved road surface is used are ensured. The included angle between the streamline groove 6 and the longitudinal center line of the tread is 40-48 degrees.

As shown in FIG. 3, the cross section of the streamline groove 6 in the depth direction is in the shape of an unequal depth symmetrical step 9, and the depth is 0.3 to 0.6 times of the depth of the central groove 1. Along its depth direction, the width direction designs for becoming the width, and can see from the figure that the step 9 degree of depth is lighter, and the relative one side degree of depth of step 9 is darker, and is downward along its depth direction, and the ditch wall is inwards sunken a section distance, forms an arc recess on the ditch wall of step 9 one side for the width of the different degree of depth department of streamlined groove 6 is different, promptly becomes the width design. As shown in fig. 6, which is a cross-sectional view taken along the entire direction of the flow-line-type groove 6.

The variable-depth streamline groove 6 provides driving performance, simultaneously homogenizes the rigidity and the water drainage smoothness of the whole tire tread part, improves the covering performance of the tire tread on dry and wet ground, and further improves the ground gripping performance of the tire. As shown in figure 2, the shape of the streamline groove 6 with the wider width is gradually changed from arc to wave along with the abrasion of the tread, and the gripping performance of the tire in the middle and later periods is further improved by matching with the auxiliary groove 8 arranged at the edge part of the main groove.

The cattle-hoof-shaped pattern blocks 5 are provided with broken-line-type thin cutter grooves 7, and the broken-line-type thin cutter grooves 7 are obliquely arranged and divide the cattle-hoof-shaped pattern blocks 5 equally according to the area. As shown in fig. 4, the bending part of the broken-line-type sipe 7 has a cylindrical hole, and a rectangular small rubber block is disposed in the middle of the hole to prevent the addition of stones. The height of the cuboid small rubber block adopted in the embodiment is 2/3 of the depth of the hole, and the thickness of the cuboid small rubber block is 1/2 of the diameter of the hole. The width of the broken line type sipe 7 is 1-2 mm, as shown in fig. 5, the section is in the shape of unequal depth symmetrical step 9, the depth is 0.4-0.7 times of the depth of the central groove 1. The combination of the variable-depth broken-line-type thin cutter groove 7 and the holes homogenizes the rigidity of the pattern blocks, improves the irregular wear resistance of the pattern blocks, simultaneously stores and discharges redundant water when a water film cannot be completely cut under the high-speed running condition of a wet and slippery road surface, and further improves the ground gripping performance of the tire during high-speed running.

The zigzag sipe 7 in this embodiment is a three-stage bending design, two cylindrical holes are formed in the three-stage zigzag sipe 7, the sipe depth on both sides of each hole is 0.3-0.6 times of the depth of the central sipe 1, and the sipe depth between two holes is deeper than the sipe depth on both sides of each hole, so as shown in fig. 2, as the tire wears in the later period of use, the zigzag sipe 7 gradually changes into a hole and a sipe in the middle.

And a reinforced connecting rib is arranged between two end points of the streamline groove 6 and two end points of the broken-line-type thin groove 7, the reinforced connecting rib is attached to the outer walls of the central groove 1 and the longitudinal side groove 2, the height of the reinforced connecting rib is 1/2 of the depth of the streamline groove 6, the connecting rib can reinforce the connecting force between adjacent pattern blocks, the bottom of the groove is prevented from cracking due to stress strain concentration, and the uniform abrasion of the pattern blocks is ensured.

The two ends of the streamline groove 6 connected with the central groove 1 and the longitudinal side groove 2 are both provided with auxiliary groove 8, the outer side of the longitudinal side groove 2 is also provided with auxiliary groove 8, the auxiliary groove 8 is trapezoidal auxiliary groove 8, the depth of the auxiliary groove is 2/3 of the depth of the central groove 1, as shown in fig. 7, the section shape is asymmetric V shape with the bottom being arc. The grooves in the streamline grooves 6, namely the grooves between the auxiliary grooves 8 are internally provided with steps 9 with different depths, and the depth of the steps 9 is 0.3 to 0.6 times of the depth of the central groove 1 (see figure 3).

In the specific embodiment, the central pattern groove 1 extends along the circumferential direction of the central line of the equator of the tread and is a zigzag longitudinal pattern groove formed by alternately combining arc line segments and straight line segments, the bending position of the zigzag longitudinal pattern groove is the arc line segment, the bending angle alpha of the zigzag longitudinal pattern groove is 130-135 degrees, the bending angle beta of the longitudinal lateral pattern groove 2 is 140-150 degrees, wherein alpha is less than beta; the longitudinal central pattern grooves 1 with small bending angles and the longitudinal side pattern grooves 2 with large bending angles are alternately distributed, so that stronger traction and sideslip resistance are provided.

The longitudinal side groove 2 is a broken line type groove with unequal length, and the side wall length L2: l1=1.6 to 2.2; the longitudinal side grooves 2 include first side grooves and second side grooves, which are distributed in a center rotation offset manner on both sides of the center groove 1, and the offset distance b = (1/2) L1 between the first side grooves and the center groove 1.

The included angle of the groove wall of the central groove 1 is 26-30 degrees, the included angle of the groove wall of the longitudinal side groove 2 is 28-32 degrees, the width of the two groove walls is 15-17 mm, and the section shape of the groove is a symmetrical V shape with a circular bottom. Specifically, as shown in fig. 8, the cross sections of the central groove 1 and the longitudinal side grooves 2 are in a V-shaped structure with smooth bottoms, the bottoms of the central groove 1 and the longitudinal side grooves 2 are both provided with a polygonal rubber discharging table 10 with equal width and equal height, the height of the rubber discharging table 10 is 1/4 of the depth of the main groove, and the upper edge of the rubber discharging table is smoothly processed according to R0.3-R0.5. The combination of the symmetrical V-shaped groove and the rubber platform 10 with the stone on the bottom of the groove leads the tire to have good self-cleaning performance and reduces the early damage of the tire caused by stone inclusion and groove bottom damage.

Furthermore, the shoulder pattern blocks 4 are provided with irregular rectangular pattern grooves which are connected with the auxiliary pattern grooves 8 arranged outside the longitudinal side pattern grooves 2, the depth of the irregular rectangular pattern grooves is shallower than that of the auxiliary pattern grooves 8, and the cross section of the cross section is shown in fig. 9.

It will be appreciated that the center groove 1 and the two longitudinal side grooves 2 cut the entire tread into two circumferentially extending center blocks 3 and two shoulder blocks 4, the center blocks having a width of 0.15 to 0.25 times the planar width of the tread and the shoulder blocks 4 having a width of 0.2 to 0.35 times the planar width of the tread. Polygonal grooves and cylindrical cutter grooves are uniformly formed in the outer side of the tire shoulder pattern block 4 along the circumferential direction, and therefore heat dissipation and uniform abrasion of a tire shoulder part are facilitated. The depth of the polygonal groove for reducing heat arranged on the tire shoulder is 3-5 mm, the depth of the cylindrical cutter groove is 2-3 mm, and the transverse section of the polygonal groove is shown in figure 10. Specifically, two cylindrical cutter grooves are arranged between every two polygonal grooves.

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 (10)

1. A high-grip heavy-duty tire pattern for all wheel positions is characterized by comprising a central pattern groove and longitudinal side pattern grooves on two sides of the central pattern groove, wherein a middle pattern block is arranged between the central pattern groove and the longitudinal side pattern grooves, and shoulder pattern blocks are arranged on the outer sides of the longitudinal side pattern grooves; the middle pattern blocks are provided with streamline grooves which are equally distributed along the circumferential direction, the streamline grooves are communicated with the central pattern groove and the longitudinal side pattern grooves and divide the middle pattern blocks into a plurality of cow-hoof-shaped pattern blocks with the same size, two ends of the streamline grooves, which are connected with the central pattern groove and the longitudinal side pattern grooves, are provided with auxiliary pattern grooves, the grooves between the auxiliary pattern grooves are internally provided with steps with unequal depths, and the step depth is 0.3-0.6 times of the depth of the central pattern groove; the cattle-hoof-shaped pattern blocks are provided with broken-line-type thin knife grooves, the broken-line-type thin knife grooves are obliquely arranged and evenly divide the cattle-hoof-shaped pattern blocks, cylindrical holes are formed in the bending positions of the broken-line-type thin knife grooves, and rubber blocks are arranged in the middles of the holes.

2. The tire pattern of claim 1 wherein the angle between the streamline groove and the longitudinal centerline of the tread is 40 ° to 48 °, the transverse profile of the streamline groove is in the shape of unequal-depth symmetrical steps, the step is deeper on the side opposite to the step, the groove wall is recessed inward for a distance along the depth direction, and an arc-shaped groove is formed on the groove wall on the side of the step.

3. The tire tread of claim 1 wherein said zigzag sipe is a three-piece bend design, the three-piece zigzag sipe having two cylindrical holes, the sipe depth on both sides of a hole being 0.3 to 0.6 times the center sipe depth, the sipe depth between two holes being deeper than the sipe depth on both sides of a hole.

4. Tyre tread according to claim 1, characterised in that the rubber blocks are cuboid rubber blocks having a height of 2/3 of the depth of the holes and a thickness of 1/2 of the diameter of the holes.

5. The tire pattern as claimed in claim 1, wherein said lateral longitudinal grooves are also provided on the outside with auxiliary grooves, said auxiliary grooves being trapezoidal auxiliary grooves having a depth of 2/3 of the depth of the central groove and having a cross-sectional shape of an asymmetric V with a rounded bottom.

6. The tire pattern of claim 5 wherein said shoulder blocks are further provided with irregular rectangular grooves connected to auxiliary grooves disposed outside the longitudinal side grooves, the irregular rectangular grooves having a depth shallower than the auxiliary grooves.

7. The tire pattern of claim 1, wherein said central groove extends circumferentially along the equatorial centerline of the tread and is a zigzag longitudinal groove formed by alternating combinations of arc segments and straight segments, and has a bending angle of 130 ° to 135 ° and a bending position of the arc segments.

8. A tyre pattern as claimed in claim 1, characterized in that said longitudinal lateral grooves have a bending angle of between 140 ° and 150 °, said longitudinal lateral grooves being of zigzag type of groove of unequal length, having a sidewall length L2: l1=1.6 to 2.2; the longitudinal side pattern groove comprises a first side pattern groove and a second side pattern groove, the first side pattern groove and the second side pattern groove are distributed on two sides of the central pattern groove in a center rotation dislocation mode, and the dislocation distance between the first side pattern groove and the central pattern groove is (1/2) L1.

9. The tire pattern of claim 1 wherein said central groove wall included angles are between 26 ° and 30 ° and said longitudinal side groove wall included angles are between 28 ° and 32 ° and said central and longitudinal side grooves have a cross section in the shape of a rounded bottom V, and wherein polygonal stone exclusion rubber platforms are disposed within both said central and longitudinal side grooves, said stone exclusion rubber platforms having a height of 1/4 of the depth of said central and longitudinal side grooves.

10. The tire pattern of claim 1 wherein said center blocks have a width of 0.15 to 0.25 times the planar width of the tread and said shoulder blocks have a width of 0.2 to 0.35 times the planar width of the tread, said shoulder blocks further having auxiliary grooves and blocks connected to said auxiliary grooves, said auxiliary grooves being trapezoidal auxiliary grooves.

Images