CN115027183A - Tread pattern structure of tire - Google Patents
Tread pattern structure of tire Download PDFInfo
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- CN115027183A CN115027183A CN202210253141.9A CN202210253141A CN115027183A CN 115027183 A CN115027183 A CN 115027183A CN 202210253141 A CN202210253141 A CN 202210253141A CN 115027183 A CN115027183 A CN 115027183A
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- 230000003014 reinforcing effect Effects 0.000 claims description 41
- 230000007704 transition Effects 0.000 claims description 8
- 230000003247 decreasing effect Effects 0.000 claims description 3
- 238000005096 rolling process Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 9
- 230000002787 reinforcement Effects 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/0304—Asymmetric patterns
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1204—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe
- B60C2011/1227—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special shape of the sipe having different shape within the pattern
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1259—Depth of the sipe
- B60C2011/1268—Depth of the sipe being different from sipe to sipe
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60C—VEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
- B60C11/00—Tyre tread bands; Tread patterns; Anti-skid inserts
- B60C11/03—Tread patterns
- B60C11/12—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes
- B60C11/1272—Width of the sipe
- B60C2011/1286—Width of the sipe being different from sipe to sipe
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The invention provides a tread pattern structure of a tire, which is arranged on a tread of the tire and comprises: a plurality of groove groups; a plurality of groove groups arranged at intervals along a circumferential direction of the tread; the pattern groove group comprises a first groove and a second groove, the second groove is positioned between two circumferentially adjacent first grooves, and the first groove and the second groove respectively extend from the position close to the central line of the tread to the outside and extend in a backward inclining way; the first groove comprises a first head groove, a second head groove and a middle groove, the first head groove is close to the center line of the tread, the second head groove is close to or penetrates through the edge of the tread, and the edges of the front sides of the first head groove and the second head groove are respectively in a multi-fold line structure so that the first head groove and the second head groove are respectively in a triangular wide groove structure; the second groove includes a continuous groove and first and second groove sets disposed adjacent to front and rear sides of the continuous groove, respectively. The technical scheme can provide the tread pattern structure of the tire with both anti-skid and ground-gripping capabilities.
Description
Technical Field
The present invention relates to a tread pattern structure of a tire.
Background
With the development of battery technology, the speed of electric bicycles and electric power-assisted bicycles is also increased, and the maximum speed per hour of the electric bicycle or the electric power-assisted bicycle used on urban pavement can reach 50 km. The bicycle tire in a high-speed use state not only needs lower rolling resistance to increase endurance mileage, but also needs better anti-slip and grip ability to ensure driving safety, and the tire used in the high-speed electric or electric power assisted bicycle at present mainly has a pattern close to a smooth tire and a mixed high land ratio pattern, the tire close to the smooth tire has lower rolling resistance, is light, fast and power-saving, but the anti-slip and grip ability in high-speed use is insufficient, while the anti-slip and grip ability of the mixed pattern is better, and the speed and the motion sense are insufficient.
Disclosure of Invention
The present invention is directed to overcome the above-mentioned deficiencies in the prior art and to provide a tread pattern structure for a tire.
In order to solve the above technical problem, the present invention provides a tread pattern structure of a tire, arranged on a tread of the tire, comprising: a plurality of groove groups; a plurality of groove groups arranged at intervals along a circumferential direction of the tread; the groove group comprises a first groove and a second groove, the second groove is positioned between two circumferentially adjacent first grooves, and the first groove and the second groove respectively extend from the position close to the central line of the tread to the outside and extend in a backward inclining mode; the first groove comprises a first head groove, a second head groove and a middle groove connected between the first head groove and the second head groove, the first head groove is close to the center line of the tread, the second head groove is close to or penetrates through the edge of the tread, and the edges of the front sides of the first head groove and the second head groove are respectively in a multi-fold line structure so that the first head groove and the second head groove are respectively in a triangular wide groove structure; the second groove includes a continuous groove and first and second groove sets disposed adjacent to front and rear sides of the continuous groove, respectively.
In a more preferred embodiment, the front side of the first head groove includes a first fold line edge and a second fold line edge connected in series, the first fold line edge extending toward the rear outer side of the tread, and the second fold line edge extending toward the rear inner side of the tread, so that the first head groove has a triangular wide groove configuration.
In a more preferred embodiment, the front side of the second head slot comprises a third fold line edge, a fourth fold line edge and a fifth fold line edge which are connected in sequence; the third fold line edge and the fourth fold line edge extend towards the rear outer side of the tread respectively, the fifth fold line edge extends towards the rear side of the tread, and the angles of the third fold line edge, the fourth fold line edge and the fifth fold line edge relative to the tread center line are sequentially decreased progressively so that the second head groove is of a triangular wide groove structure.
In a more preferred embodiment, the second head slot has a width at its widest point that is greater than the width of the first head slot at its widest point, which is greater than the width of the medial slot.
In a more preferred embodiment, the bottom of the first head groove is provided with a first head reinforcing block, the edge of the first head reinforcing block is spaced from the edge of the first head groove and correspondingly adapts to the shape of the edge of the first head groove, and the height of the first head reinforcing block gradually increases from the inner side to the outer side of the tread; the height of the inner side of the first header-reinforcing block is 15-30% of the depth of the first header tank, and the height of the outer side of the first header-reinforcing block is 50-80% of the depth of the first header tank.
In a better embodiment, the bottom of the second head groove is provided with a second head reinforcing block, the edge of the second head reinforcing block is spaced from the edge of the second head groove and correspondingly adapts to the shape of the edge of the second head groove, and the height of the second head reinforcing block is gradually increased from the inner side to the outer side of the tread; the height of the inner side of the second head reinforcing block is 15% -30% of the depth of the second head groove, and the height of the outer side of the second head reinforcing block is 50% -80% of the depth of the second head groove.
In a more preferred embodiment, the first groove group and the second groove group respectively include a plurality of quadrilateral grooves; the width-height ratio of the length of the quadrilateral groove along the axial direction of the tread to the length of the quadrilateral groove along the circumferential direction of the tread is 10-70 percent; the width-height ratio of the plurality of quadrilateral grooves of the first groove group or the second groove group gradually increases from the inner side of the tread to the outer side of the tread.
In a more preferred embodiment, the inner ends of the first groove set, the inner ends of the continuous grooves and the inner ends of the second groove set are progressively greater in distance from the tread centerline.
In a better embodiment, the transition groove comprises a bent groove and a polygonal groove, one end of the bent groove corresponds to the second groove group, the other end of the bent groove corresponds to the second head groove, the bent groove comprises a first bent section close to the second groove group and a second bent section close to the second head groove, and the joint of the first bent section and the second bent section is bent inwards; the polygonal groove is disposed between an end of the second bend and the second head groove.
In a further preferred embodiment, the depth of the transition trench is smaller than the depth of the first trench.
Compared with the prior art, the technical scheme of the invention has the following beneficial effects:
1. two end parts of the first groove are designed into triangular wide grooves, so that the multi-angle edge effect can be increased, the tire has good ground gripping performance in straight running and turning, better drainage performance can be obtained, and the anti-skidding and ground gripping capabilities are considered;
2. in order to ensure the rigidity of the tire surface, the width of the middle part of the first groove is the narrowest, a first head reinforcing block and a second head reinforcing block which are lower in height are additionally arranged at the bottoms of the first head groove and the second head groove respectively, the shapes of the reinforcing blocks at the two positions are slender triangles designed according with the edges of the triangular wide grooves, and the first head reinforcing block and the second head reinforcing block can properly compensate the rigidity reduction of the tire surface caused by the triangular wide groove structure, so that the tire can meet the requirements of low rolling resistance, high speed electric vehicles and electric power assistance;
3. the first head reinforcing block and the second head reinforcing block are designed to be inclined and gradually raised, so that the rigid reinforcing effect of the tread can be realized, the performance requirement of high-speed use is not reduced, and on the other hand, the first head reinforcing block and the second head reinforcing block conform to the triangular shape and height change of the rolling direction of the tire, the flow guide effect of water flow in the first groove can be improved, and the wet-skid resistance is improved;
4. the distance from the inner end of the first groove group, the distance from the inner end of the continuous groove and the distance from the inner end of the second groove group to the center line of the tire tread are gradually increased, and the positions of the inner ends of the first groove group and the second groove group are designed in a differentiated mode, so that the local rigidity unevenness of the tire tread can be avoided, and the low rolling resistance performance requirement of high-speed use is optimized;
5. the first groove group and the second groove group are gradually enlarged in area from the inner side to the outer side and gradually deepened, and are distributed in a diverging manner along the rolling direction of the tire, so that the center of the tire tread maintains low rolling resistance, the polygonal edge effect on two sides is slowly increased, and the wet skid resistance is improved;
6. increase the shallow slot of multi-angle at tread edge, not only increase the connectivity of first slot and second slot, play the reposition of redundant personnel effect of rivers between first slot and the second slot, improve the wetland performance, also can promote the electric motor car and the power assist high-speed ability of grabbing ground of bending.
Drawings
FIG. 1 is a tread pattern structure of a tire of the present invention;
FIG. 2 is an enlarged view of a portion of a first groove of the tire of the present invention;
FIG. 3 is a cross-sectional view of the first head-reinforcing block of FIG. 2 along its direction of extension;
FIG. 4 is an enlarged fragmentary view of a second groove of the tire of the present invention;
FIG. 5 is an enlarged view of a portion of a single quadrilateral groove of FIG. 4;
fig. 6 is a tread pattern structure of a tire of the present invention, including transition grooves.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in fig. 1 to 6, the present invention discloses a tread pattern structure of a tire. In the drawings, the vertical direction is set to the tire circumferential direction, the lateral direction is set to the tire axial direction, CL denotes a tread center line, a side close to the tread center line CL is defined as an inner side, a side far from the tread center line CL is defined as an outer side, an arrow in fig. 1 is directed to represent a tire rolling direction, a side of a forward arrow is defined as a front side, and a side of a reverse arrow is defined as a rear side.
The tread pattern structure of the tire is arranged on the tread of the tire, the tread pattern structure comprising a plurality of groove groups 1; a plurality of groove groups 1 are arranged at intervals along the circumferential direction of the tread; in the present embodiment, the groove groups 1 are distributed on both sides of the tread centerline, with circumferentially spaced groove groups 1 being evenly spaced apart.
The groove group 1 comprises a first groove 11 and a second groove 12, the second groove 12 is positioned between two circumferentially adjacent first grooves 11, and the first groove 11 and the second groove 12 respectively extend from a position close to the central line of the tread to the outside and extend backwards; the first groove 11 comprises a first head groove 111, a second head groove 112 and a middle groove 113 connected between the first head groove 111 and the second head groove 112, the first head groove 111 is close to the center line of the tread, the second head groove 112 is close to or penetrates through the edge of the tread, and the edges of the front sides of the first head groove 111 and the second head groove 112 are respectively in a multi-fold line structure so that the first head groove 111 and the second head groove 112 are respectively in a triangular wide groove structure; the second groove 12 includes a continuous groove 121 and first and second groove groups 122 and 123 respectively disposed adjacent to front and rear sides of the continuous groove 121. The triangular wide slot means that the first head slot 111 and the second head slot 112 are substantially triangular, and both widths are greater than the width of the middle slot 113.
In this embodiment, the front side of the first header groove 111 includes a first fold line edge 1111 and a second fold line edge 1112 connected in series, the first fold line edge 1111 extends toward the rear outer side of the tread, and the second fold line edge 1112 extends toward the rear inner side of the tread, so that the first header groove 111 has a triangular wide groove configuration. The front side of the second head groove 112 includes a third fold edge 1121, a fourth fold edge 1122, and a fifth fold edge 1123 which are connected in sequence; the third folding line edge 1121 and the fourth folding line edge 1122 extend towards the rear outer side of the tread, the fifth folding line edge 1123 extends towards the rear side of the tread, and the angles of the third folding line edge 1121, the fourth folding line edge 1122 and the fifth folding line edge 1123 relative to the center line of the tread are sequentially decreased gradually so that the second head groove 112 is in a triangular wide groove configuration. The width W3 of the second head groove 112 at the widest point is greater than the width W1 of the first head groove 111 at the widest point, and the width W1 of the first head groove 111 at the widest point is greater than the width W2 of the middle groove 113. Specifically, the width of the widest portion of the first head groove 111 is 5.7 mm, the width of the widest portion of the second head groove 112 is 6.7 mm, and the width of the central groove 113 is 2.4 mm.
A first head reinforcing block 2 is disposed at the bottom of the first head groove 111, the edge of the first head reinforcing block 2 is spaced from the edge of the first head groove 111 and corresponds to the shape of the edge of the first head groove 111, and the height of the first head reinforcing block 2 is smaller than the depth of the first head groove 111. The bottom of the second head groove 112 is arranged with a second head reinforcing block 3, the edge of the second head reinforcing block 3 is spaced from the edge of the second head groove 112 and correspondingly adapts to the shape of the edge of the second head groove 112, and the height of the second head reinforcing block 3 is smaller than the depth of the second head groove 112. By the design, two end parts of the first groove 11 are designed into triangular wide grooves, so that the multi-angle edge effect can be increased, the tire has good ground gripping performance in straight running and turning, and better drainage performance can be obtained; in order to ensure the rigidity of the tread, the width of the middle part of the first groove 11 is the narrowest, in addition, a first head reinforcing block 2 and a second head reinforcing block 3 with lower height are respectively added at the bottoms of the first head groove 111 and the second head groove 112, the shapes of the two reinforcing blocks are respectively a slender triangle which is designed according to the edge of a triangular wide groove, the first head reinforcing block 2 and the second head reinforcing block 3 can properly compensate the rigidity reduction of the tread caused by the triangular wide groove structure, and the tire can meet the requirements of low rolling resistance and high speed electric vehicles and electric power assistance.
Further, the height of the first head reinforcing block 2 gradually increases from the inner side to the outer side of the tread; the height h1 of the inner side of the first header-reinforcing block 2 is 15% to 30% of the depth of the first header-groove 111, and the height h2 of the outer side of the first header-reinforcing block 2 is 50% to 80% of the depth of the first header-groove 111. The height of the second head reinforcing block 3 gradually increases from the inner side to the outer side of the tread; the height of the inner side of the second head reinforcing block 3 is 15 to 30% of the depth of the second head groove 112, and the height of the outer side of the second head reinforcing block 3 is 50 to 80% of the depth of the second head groove 112. The design that the reinforcement piece slopes to rise gradually can realize the rigid reinforcement effect of tread, does not reduce the performance demand of high-speed use, and the triangle-shaped and the altitude variation of the first head reinforcement piece 2 of on the other hand and the second head reinforcement piece 3 compliance tire rolling direction can promote the water conservancy diversion effect of rivers in the first slot 11, promotes the wet skid resistance.
The continuous groove 121 can assist in draining water, the first groove group 122 and the second groove group 123 respectively comprise a plurality of quadrilateral grooves 124, and the quadrilateral grooves 124 are arranged at intervals along the extending direction of the second groove 12 and gradually increase in size; the width-height ratio of the length W4 of the quadrangular groove 124 in the axial direction of the tread to the length L1 of the quadrangular groove 124 in the circumferential direction of the tread is 10-70%; the width-to-height ratio of the plurality of quadrilateral grooves 124 of the first groove group 122 or the second groove group 123 increases gradually from the inner side of the tread to the outer side of the tread; the width-to-height ratio of the plurality of quadrangular grooves 124 of the first groove group 122 or the second groove group 123 gradually increases from 13% on the inner side of the tread to 54% on the outer side of the tread. By the design, the area of the first groove group 122 and the second groove group 123 from the inner side to the outer side is gradually increased, the depth is gradually deepened, and the whole body is divergently distributed along the rolling direction of the tire, so that the center of the tire tread maintains low rolling resistance performance on one hand, and the polygonal edge effect on two sides is slowly increased on the other hand, and the wet skid resistance performance is improved.
Distances S1, S2 and S3 from the inner end of the first groove group 122, the inner end of the continuous groove 121 and the inner end of the second groove group 123 to the tread center line are gradually increased, and the inner ends of the first groove group 122 and the second groove group 123 are designed in a differentiated mode, so that local rigidity unevenness of the tread can be avoided, and the low rolling resistance performance requirement of high-speed use is optimized.
The tread pattern structure further comprises a transition groove 4, the transition groove 4 comprises a bent groove 41 and a polygonal groove 42, one end of the bent groove 41 corresponds to the second groove group 123, the other end of the bent groove 41 corresponds to the second head groove 112, the bent groove 41 comprises a first bent section 411 close to the second groove group 123 and a second bent section 412 close to the second head groove 112, and the joint of the first bent section 411 and the second bent section 412 is bent inwards; the polygonal groove 42 is disposed between the end of the second bend 412 and the second head groove 112; the depth of the transition trench 4 is smaller than the depth of the first trench 11. So design, the shallow slot of multi-angle is increased at tread edge, not only increases the connectivity of first slot 11 and second slot 12, plays the reposition of redundant personnel effect of rivers between first slot 11 and second slot 12, improves the wetland performance, also can promote electric motor car and electric power helping hand high-speed overcurved ability of grabbing ground.
The above description is only a preferred embodiment of the present invention, but the design concept of the present invention is not limited thereto, and any person skilled in the art can make insubstantial changes in the technical scope of the present invention within the technical scope of the present invention, and the actions infringe the protection scope of the present invention are included in the present invention.
Claims (10)
1. A tread pattern structure of a tire arranged on a tread of the tire, comprising: a plurality of groove groups; a plurality of groove groups arranged at intervals along a circumferential direction of the tread; the groove group comprises a first groove and a second groove, the second groove is positioned between two circumferentially adjacent first grooves, and the first groove and the second groove respectively extend from the position close to the central line of the tread to the outside and extend in a backward inclining mode; the first groove comprises a first head groove, a second head groove and a middle groove connected between the first head groove and the second head groove, the first head groove is close to the center line of the tread, the second head groove is close to or penetrates through the edge of the tread, and the edges of the front sides of the first head groove and the second head groove are respectively in a multi-fold line structure so that the first head groove and the second head groove are respectively in a triangular wide groove structure; the second groove includes a continuous groove and first and second groove sets disposed adjacent to front and rear sides of the continuous groove, respectively.
2. A tread pattern structure for a tire as in claim 1, wherein: the front side of the first head groove comprises a first fold line edge and a second fold line edge which are sequentially connected, the first fold line edge extends towards the rear outer side of the tread, and the second fold line edge extends towards the rear inner side of the tread so that the first head groove is in a triangular wide groove structure.
3. A tread pattern structure for a tire as in claim 1, wherein: the front side of the second head groove comprises a third fold line edge, a fourth fold line edge and a fifth fold line edge which are connected in sequence; the third fold line edge and the fourth fold line edge extend towards the rear outer side of the tread respectively, the fifth fold line edge extends towards the rear side of the tread, and the angles of the third fold line edge, the fourth fold line edge and the fifth fold line edge relative to the tread center line are sequentially decreased progressively so that the second head groove is of a triangular wide groove structure.
4. A tread pattern structure for a tire as in claim 1, wherein: the width of the widest part of the second head groove is larger than that of the widest part of the first head groove, and the width of the widest part of the first head groove is larger than that of the middle groove.
5. A tread pattern structure for a tire as in claim 2, wherein: the bottom of the first head groove is provided with a first head reinforcing block, the edge of the first head reinforcing block is spaced from the edge of the first head groove and correspondingly matched with the shape of the edge of the first head groove, and the height of the first head reinforcing block is gradually increased from the inner side to the outer side of the tread; the height of the inner side of the first header-reinforcing block is 15% to 30% of the depth of the first header tank, and the height of the outer side of the first header-reinforcing block is 50% to 80% of the depth of the first header tank.
6. A tread pattern structure for a tire as in claim 3, wherein: a second head reinforcing block is arranged at the bottom of the second head groove, the edge of the second head reinforcing block is spaced from the edge of the second head groove and correspondingly matched with the shape of the edge of the second head groove, and the height of the second head reinforcing block is gradually increased from the inner side to the outer side of the tread; the height of the inner side of the second head reinforcing block is 15% -30% of the depth of the second head groove, and the height of the outer side of the second head reinforcing block is 50% -80% of the depth of the second head groove.
7. A tread pattern structure for a tire as in claim 1, wherein: the first groove group and the second groove group respectively comprise a plurality of quadrilateral grooves; the width-height ratio of the length of the quadrilateral groove along the axial direction of the tread to the length of the quadrilateral groove along the circumferential direction of the tread is 10-70 percent; the width-height ratio of the plurality of quadrilateral grooves of the first groove group or the second groove group gradually increases from the inner side of the tread to the outer side of the tread.
8. A tread pattern structure for a tire as in claim 1, wherein: the distance from the inner end of the first groove group, the distance from the inner end of the continuous groove and the distance from the inner end of the second groove group to the center line of the tire tread are gradually increased.
9. A tread pattern structure for a tire as in claim 1, wherein: the transition groove comprises a bent groove and a polygonal groove, one end of the bent groove corresponds to the second groove group, the other end of the bent groove corresponds to the second head groove, the bent groove comprises a first bent section close to the second groove group and a second bent section close to the second head groove, and the joint of the first bent section and the second bent section is bent inwards; the polygonal groove is disposed between an end of the second bend section and the second head groove.
10. A tread pattern structure for a tire as in claim 9, wherein: the depth of the transition groove is smaller than that of the first groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253141.9A CN115027183B (en) | 2022-03-15 | 2022-03-15 | Tread pattern structure of tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210253141.9A CN115027183B (en) | 2022-03-15 | 2022-03-15 | Tread pattern structure of tire |
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| Publication Number | Publication Date |
|---|---|
| CN115027183A true CN115027183A (en) | 2022-09-09 |
| CN115027183B CN115027183B (en) | 2023-11-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202210253141.9A Active CN115027183B (en) | 2022-03-15 | 2022-03-15 | Tread pattern structure of tire |
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Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011168221A (en) * | 2010-02-19 | 2011-09-01 | Bridgestone Corp | Tire |
| CN102264560A (en) * | 2008-12-24 | 2011-11-30 | 倍耐力轮胎股份公司 | Tyres for motor vehicles |
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