CN110315912B - Tire for car sports car - Google Patents
Tire for car sports car Download PDFInfo
- Publication number
- CN110315912B CN110315912B CN201910673896.2A CN201910673896A CN110315912B CN 110315912 B CN110315912 B CN 110315912B CN 201910673896 A CN201910673896 A CN 201910673896A CN 110315912 B CN110315912 B CN 110315912B
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- Prior art keywords
- groove
- grooves
- fine
- shoulder
- tire
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- 230000003014 reinforcing effect Effects 0.000 claims description 19
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000011324 bead Substances 0.000 claims description 2
- 238000009434 installation Methods 0.000 claims 1
- 238000000034 method Methods 0.000 description 4
- 230000011218 segmentation Effects 0.000 description 3
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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
- B60C11/032—Patterns comprising isolated recesses
- B60C11/0323—Patterns comprising isolated recesses tread comprising channels under the tread surface, e.g. for draining water
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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
-
- 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
- B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
-
- 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
- B60C19/00—Tyre parts or constructions not otherwise provided for
- B60C19/002—Noise damping elements provided in the tyre structure or attached thereto, e.g. in the tyre interior
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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
- B60C11/1236—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern
- B60C2011/1245—Tread patterns characterised by the use of narrow slits or incisions, e.g. sipes with special arrangements in the tread pattern being arranged in crossing relation, e.g. sipe mesh
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Tires In General (AREA)
Abstract
The tire for the car sports car has the advantages that the circular arc directions of the circular arc grooves I and the circular arc grooves II are opposite, so that the sequence of the tire striking the ground is changed, the grabbing force is ensured, and meanwhile, the noise can be reduced. The circular arc groove I penetrates through the shoulder groove I and the shoulder, so that the transverse drainage capacity is improved. The circular arc groove II penetrates through the shoulder groove II and the shoulder, so that the transverse drainage capacity is improved. The arc directions of the pattern block I and the pattern block IV are opposite, so that the strong longitudinal ground grabbing capability is improved. The groove I on the middle grounding part I is obliquely arranged, the wavy groove is formed in the circumferential direction of the tire and communicated with the shoulder groove I, and the transverse drainage capacity is ensured. The V-shaped groove III on the intermediate land part II penetrates through the intermediate groove II and the shoulder groove II to provide transverse drainage performance on a wet road surface, and the V-shaped groove III is divided into the pattern blocks III to improve the stronger longitudinal traction force for the tire.
Description
Technical Field
The invention relates to the technical field of automobile tires, in particular to a tire for a car sports car.
Background
In recent years, with the development of national road construction and the improvement of vehicle performance, car running models also enter ordinary families, and people experience the speed and passion brought by car running models and simultaneously have higher and higher performance requirements on tires, so that not only is the control stability of high-speed running on dry road surfaces required, but also the control stability of high-speed running on wet road surfaces is required, and meanwhile, the tire noise (noise reduction) generated by the tires in high-speed running is improved.
At present, in order to provide enough grip force under the high-speed condition of a dry road surface, the tire of a general car sports car enlarges the contact area between tire patterns and the road surface, reduces the area of a groove, and ensures that the tire has high-speed control stability of the dry road surface. Meanwhile, as the pattern blocks of the tire are enlarged, the greater the beating sound generated when the tire is contacted with the road surface.
Therefore, how to provide a running car tire with steering stability on a dry road surface, safety performance on a wet road surface, and noise generated by the running tire during high-speed running, and to reduce noise generated by the running tire, is an important technical problem to be solved.
Disclosure of Invention
The invention provides a car running tire with low noise in high-speed running and control stability on wet and dry road surfaces, which overcomes the defects of the prior art.
The technical scheme adopted for overcoming the technical problems is as follows:
A car running tire comprises a shoulder groove I, a middle groove II and a shoulder groove II which are sequentially arranged along the circumferential direction from the inner side end close to the vehicle to the outer side end far from the vehicle in the tire mounting direction, wherein the shoulder groove I, the middle groove II and the shoulder groove II divide the tire into a shoulder grounding part I, a middle grounding part I, a center rib, a middle grounding part II and a shoulder grounding part II from inside to outside in sequence,
The tire shoulder grounding part I is uniformly provided with a plurality of arc-shaped arc grooves I at intervals along the circumferential direction, the arc grooves I are transversely arranged, the inner ends of the arc grooves I are communicated with the inner ends of the tire shoulder grounding part I, the outer sides of the arc grooves I are communicated with the shoulder grooves I, the arc grooves I are bent backwards, each arc groove I divides the tire shoulder grounding part I in the circumferential direction to form a plurality of pattern blocks I, each pattern block I is provided with a fine groove I and a fine groove II, the inner ends of the fine grooves I are communicated with the inner ends of the tire shoulder grounding part I, and the outer ends of the fine grooves II are communicated with the shoulder grooves I;
A plurality of grooves I are uniformly arranged on the middle grounding part I at intervals along the circumferential direction, the grooves I are obliquely arranged, wavy grooves are formed in the outer side of the middle grounding part I along the circumferential direction, the inner side ends of the grooves I are communicated with shoulder grooves I, the outer side ends of the grooves I are communicated with the wavy grooves, each groove I and each wavy groove divide the middle grounding part I into a plurality of diamond-shaped pattern blocks II along the circumferential direction, and a plurality of circular arc-shaped fine groove III are formed in each pattern block II;
A plurality of grooves II are uniformly arranged on the central rib at intervals along the circumferential direction, the grooves II are obliquely arranged, the inner side ends of the grooves II are communicated with the middle grooves I, a plurality of fine groove IV are arranged between every two adjacent grooves II, and the outer side ends of the fine groove IV are communicated with the middle grooves II;
the middle ground part II is uniformly provided with a plurality of V-shaped grooves III at intervals along the circumferential direction, the inner side end of each groove III is communicated with the middle groove II, the outer side end of each groove III is communicated with the shoulder groove II, each groove III divides the middle ground part II into a plurality of pattern blocks III in the circumferential direction, each pattern block III is sequentially provided with a fine groove VI, a fine groove VII and a fine groove VIII in an inclined manner from the front end to the rear end, the fine grooves VI, the fine grooves VII and the fine grooves VIII are mutually parallel, the outer side end of each fine groove VI is communicated with the shoulder groove II, the inner side end of each fine groove VIII is communicated with the middle groove II, and the outer side end of each fine groove VII is communicated with the shoulder groove II;
the tire shoulder grounding part II is uniformly provided with a plurality of circular arc grooves II at intervals along the circumferential direction, the circular arc grooves II are transversely arranged, the inner side ends of the circular arc grooves II are communicated with the shoulder grooves II, the outer side ends of the circular arc grooves II are communicated with the outer side ends of the tire shoulder grounding part II, the circular arc grooves II are bent forwards, the tire shoulder grounding part II is divided into a plurality of pattern blocks IV in the circumferential direction by each circular arc groove II, each pattern block IV is sequentially provided with a fine groove X, a fine groove IX and a fine groove XI from the front end to the rear end in an inclined manner, the fine groove X, the fine groove IX and the fine groove XI are mutually parallel, the outer side ends of the fine groove XI are communicated with the outer side ends of the tire shoulder grounding part II, and the inner side ends of the fine groove IX and the shoulder grooves II are communicated.
Further, the groove widths of the fine groove I and the fine groove II are 0.6-1.8mm, the fine groove I and the fine groove II are arc-shaped structures, the fine groove I and the fine groove II are bent forwards, and protruding reinforcing ribs I are formed at the outer side ends of the arc-shaped grooves I in the cross section direction of the tire.
Further, the sound absorbing groove is arranged at the position of the fine grain groove I.
Further, the width of the groove I is widened from the inner side to the outer side, the groove width of the fine groove III is 0.6-1.8mm, and a plurality of sound absorbing holes I are formed in the outer side of the wavy groove at intervals along the circumferential direction.
Further, the corner of the rear end of the inner side of the pattern block II is a round chamfer, a plurality of steps are arranged on the corner of the front end of the outer side of the pattern block II, and the height of each step is gradually reduced from the inner side to the outer side.
Further, protruding reinforcing ribs II are formed at the inner ends of the grooves I in the cross-sectional direction of the tire.
Further, the groove II is of a wedge-shaped structure with a wide upper part and a narrow lower part, an included angle between the two inclined planes is 25-30 degrees, the groove width of the fine groove IV is 0.6-1.8mm, and the axial width of the groove II is 65% -70% of the width of the central rib.
Further, groove widths of the fine groove VI, the fine groove VII and the fine groove VIII are 0.6-1.8mm, included angles of the V-shaped grooves III are 155-160 degrees, protruding reinforcing ribs III are formed at the inner side end and the outer side end of the grooves III in the cross section direction of the tire, and sound absorbing holes II are formed in the middle of the fine groove VI.
Further, the groove widths of the fine groove X, the fine groove IX and the fine groove XI are 0.6-1.8mm, raised reinforcing ribs IV are formed at the inner side ends of the circular arc grooves II in the cross section direction of the tire, and a plurality of sound absorption holes III are formed in the fine groove IX.
The beneficial effects of the invention are as follows: the circular arc direction of the circular arc groove I is opposite to that of the circular arc groove II, so that the sequence of the tire striking the ground is changed, and the noise can be reduced while the ground grabbing force is ensured. The circular arc groove I penetrates through the shoulder groove I and the shoulder, so that the transverse drainage capacity is improved. The circular arc groove II penetrates through the shoulder groove II and the shoulder, so that the transverse drainage capacity is improved. The arc directions of the pattern block I and the pattern block IV are opposite, so that the strong longitudinal ground grabbing capability is improved. The groove I on the middle grounding part I is obliquely arranged, the wavy groove is formed in the circumferential direction of the tire and communicated with the shoulder groove I, and the transverse drainage capacity is ensured. The V-shaped groove III on the intermediate land part II penetrates through the intermediate groove II and the shoulder groove II to provide transverse drainage performance on a wet road surface, and the V-shaped groove III is divided into the pattern blocks III to improve the stronger longitudinal traction force for the tire.
Drawings
FIG. 1 is a block diagram of a tire pattern of the present invention;
FIG. 2 is a schematic view of the cross-sectional structure of the A-A direction in FIG. 1;
In the figure, 1, shoulder groove I2, intermediate groove I3, intermediate groove II 4, shoulder groove II 5, shoulder land I6, intermediate land I7, center rib 8, intermediate land II 9, shoulder land II 10, circular arc groove I11, fine groove I12, fine groove II 13, sound absorbing groove 14, reinforcing rib I15, wave groove 16, fine groove III 17, chamfer 18, groove I19, reinforcing rib II 20, sound absorbing hole I21, groove II 22, fine groove IV 23, groove III 24, fine groove V25, fine groove VI 25, fine groove VII 26, fine groove VIII 27, reinforcing rib III 28, sound absorbing hole II 29, circular arc groove II 30, reinforcing rib IV 31, fine groove IX 32, fine groove X33, fine groove XI 34, sound absorbing hole III 35.
Detailed Description
The invention is further described with reference to fig. 1 and 2.
A car sports car tire comprises a shoulder groove I1, a middle groove I2, a middle groove II 3 and a shoulder groove II 4 which are sequentially and circumferentially arranged from the inner side end close to the vehicle to the outer side end far away from the vehicle in the tire mounting direction, wherein the shoulder groove I1, the middle groove I2, the middle groove II 3 and the shoulder groove II 4 divide the tire into a shoulder grounding part I5, a middle grounding part I6, a center rib 7, a middle grounding part II 8 and a shoulder grounding part II 9 from inside to outside in sequence, a plurality of arc-shaped arc grooves I10 are uniformly arranged on the shoulder grounding part I5 along the circumferential direction at intervals, the arc grooves I10 are transversely arranged, the inner side end of the tire shoulder grounding part I5 is communicated with the inner side end of the tire shoulder grounding part I5, the outer side of the tire shoulder grounding part I5 is communicated with the shoulder groove I1, the arc grooves I10 are bent backwards, each arc groove I10 divides the tire shoulder grounding part I5 in the circumferential direction to form a plurality of pattern blocks I, each pattern block I is provided with a fine groove I11 and a fine groove II 12, the inner side end of each fine groove I11 is communicated with the inner side end of the tire shoulder grounding part I5, and the outer side end of each fine groove II 12 is communicated with the shoulder groove I1; a plurality of grooves I18 are uniformly arranged on the middle grounding part I6 at intervals along the circumferential direction, the grooves I18 are obliquely arranged, wavy wave grooves 15 are arranged on the outer side of the middle grounding part I6 along the circumferential direction, the inner side ends of the grooves I18 are communicated with shoulder grooves I1, the outer side ends of the grooves I are communicated with the wave grooves 15, each groove I18 and the wave grooves 15 divide the middle grounding part I6 into a plurality of diamond-shaped pattern blocks II along the circumferential direction, and a plurality of circular arc-shaped fine groove III 16 are arranged on each pattern block II; a plurality of grooves II 21 are uniformly arranged on the central rib 7 at intervals along the circumferential direction, the grooves II 21 are obliquely arranged, the inner side ends of the grooves II 21 are communicated with the middle groove I2, a plurality of fine groove IV 22 are arranged between every two adjacent grooves II 21, and the outer side ends of the fine groove IV 22 are communicated with the middle groove II 3; the middle ground part II 8 is uniformly provided with a plurality of V-shaped grooves III 23 at intervals along the circumferential direction, the inner side end of the groove III 23 is communicated with a middle groove II 3, the outer side end of the groove III is communicated with a shoulder groove II 4, each groove III 23 divides the middle ground part II 8 into a plurality of pattern blocks III along the circumferential direction, each pattern block III is sequentially and obliquely provided with a fine groove VI 24, a fine groove VII 25 and a fine groove VIII 26 from the front end to the rear end, the fine groove VI 24, the fine groove VII 25 and the fine groove VIII 26 are parallel to each other, the outer side end of the fine groove VI 24 is communicated with the shoulder groove II 4, the inner side end of the fine groove VIII 26 is communicated with the middle groove II 3, the inner side end of the fine groove VII 25 is communicated with the middle groove II 3, and the outer side end of the fine groove VII is communicated with the shoulder groove II 4; the tire shoulder grounding part II 9 is uniformly provided with a plurality of circular arc grooves II 29 along the circumferential direction at intervals, the circular arc grooves II 29 are transversely arranged, the inner side ends of the circular arc grooves II 29 are communicated with the shoulder grooves II 4, the outer side ends of the circular arc grooves II are communicated with the outer side ends of the tire shoulder grounding part II 9, the circular arc grooves II 29 are bent forwards, each circular arc groove II 29 divides the tire shoulder grounding part II 9 into a plurality of pattern blocks IV along the circumferential direction, each pattern block IV is sequentially and obliquely provided with a fine groove X32, a fine groove IX 31 and a fine groove XI 33 from the front end to the rear end, the fine groove X32, the fine groove IX 31 and the fine groove XI 33 are mutually parallel, the outside end of the sipe XI 33 communicates with the outside end of the shoulder land portion II 9, and the inside ends of the sipe IX 31 and the sipe XI 33 communicate with the shoulder groove II 4.
The circular arc groove I10 on the tire shoulder grounding part I5 and the circular arc groove II 29 on the tire shoulder grounding part II 9 are opposite in circular arc direction, so that the sequence of striking the ground by the tire is changed, and the noise can be reduced while the ground grabbing force is ensured. The circular arc groove I10 penetrates through the shoulder groove I1 and the shoulder, so that the transverse drainage capacity is improved. The fine groove I11 and the fine groove II 12 are used for finely and shallowly dividing the pattern block I, so that the rigidity of the pattern block I can be reduced, the noise generated in the tire driving process can be reduced, and the comfort of the tire is improved. The circular arc groove II 29 penetrates through the shoulder groove II 4 and the shoulder, so that the transverse drainage capacity is improved. The fine grooves X32, IX 31 and XI 33 divide the block IV slightly and shallowly, so that the rigidity of the block I can be reduced, the noise generated in the tire running process can be reduced, and the comfort of the tire can be improved. The arc directions of the pattern block I and the pattern block IV are opposite, so that the strong longitudinal ground grabbing capability is improved.
The groove I18 on the intermediate ground part I6 is obliquely arranged, the wave groove 15 is arranged in the circumferential direction of the tire and communicated with the shoulder groove I1, and the transverse drainage capacity is ensured. V-shaped grooves III 23 on the intermediate land part II 8 penetrate through the intermediate grooves II 3 and the shoulder grooves II 4 to provide transverse drainage performance on a wet road surface, and blocks III formed by dividing the V-shaped grooves III improve the tire in a stronger longitudinal grip. The fine groove III 16 is used for carrying out fine shallow segmentation on the pattern block II, the fine groove VI 24, the fine groove VII 25 and the fine groove VIII 26 are used for carrying out fine shallow segmentation on the pattern block III, so that the rigidity of the pattern block I can be reduced, the noise generated in the tire driving process can be reduced, and the comfort of the tire is improved. The grooves II 21 on the central rib 7 are only communicated with the middle groove I2, so that the strength is ensured, and good ground grabbing force and drainage performance are provided. The fine grooves IV 22 are used for carrying out fine shallow segmentation on the central rib 7, so that rigidity can be reduced, noise generated in the tire driving process can be reduced, and the comfort of the tire can be improved.
Further, the groove widths of the fine groove I11 and the fine groove II 12 are 0.6-1.8mm, the fine groove I11 and the fine groove II 12 are arc-shaped structures, the fine groove I11 and the fine groove II 12 are bent forwards, and protruding reinforcing ribs I14 are formed at the outer side ends of the arc-shaped grooves I10 in the cross section direction of the tire. The rib I is connected through the reinforcing rib I14, so that the stress of the tire shoulder is guaranteed, and the control stability is improved. Preferably, the sound absorbing groove 13 is arranged at the fine grain groove I11. The sound absorbing groove 13 penetrates the edge of the shoulder grounding part I5 through the fine groove I11, and noise is further reduced.
Further, the width of the groove I18 is widened from the inner side to the outer side, the groove width of the fine groove III 16 is 0.6-1.8mm, and a plurality of sound absorbing holes I20 are formed in the outer side of the wavy groove 15 at intervals along the circumferential direction. The sound absorbing holes I20 effectively reduce noise generated by the tire when running at high speed and the road surface. The drainage performance is further improved by the narrow and widened groove i 18.
Further, the corner of the rear end of the inner side of the pattern block II is a round chamfer 17, a plurality of steps 35 are arranged on the corner of the front end of the outer side of the pattern block II, and the height of each step 35 is gradually reduced from the inner side to the outer side. The heights of the steps from the inner side to the outer side of the tire are sequentially reduced, so that the running noise of the tire can be effectively reduced, and the eccentric wear of the tire can be effectively prevented. The inner end of the groove I18 in the cross-sectional direction of the tire is formed with a raised bead II 19. Two adjacent pattern blocks II are connected through the reinforcing rib II 19, so that the rigidity of the pattern blocks II is ensured, the ground grabbing force is improved, and meanwhile, the noise is reduced.
Furthermore, the groove II 21 is of a wedge-shaped structure with a wide upper part and a narrow lower part, the included angle between the two inclined planes is 25-30 degrees, the strength of the part of the central rib 7 is further ensured by the groove II 21 of the wedge-shaped structure, and the ground grabbing force is further improved. Preferably, the groove width of the fine groove IV 22 is 0.6-1.8mm, and the axial width of the groove II 21 is 65% -70% of the width of the central rib 7. By the provision of the reinforcing ribs, the rigidity of the center rib 7 is ensured.
Further, groove widths of the fine groove VI 24, the fine groove VII 25 and the fine groove VIII 26 are 0.6-1.8mm, included angles of the V-shaped grooves III 23 are 155-160 degrees, protruding reinforcing ribs III 27 are formed at the inner side end and the outer side end of the grooves III 23 in the cross section direction of the tire, and sound absorbing holes II 28 are formed in the middle of the fine groove VI 25. Two adjacent pattern blocks III are connected through the reinforcing rib III 27, so that the rigidity of the pattern blocks III is ensured, the ground grabbing force is improved, and meanwhile, the noise is reduced. The sound absorbing holes II 28 effectively reduce noise generated by the tire and the road surface during high-speed running.
The groove widths of the fine groove X32, the fine groove IX 31 and the fine groove XI 33 are 0.6-1.8mm, raised reinforcing ribs IV 30 are formed at the inner side ends of the circular arc grooves II 29 in the cross section direction of the tire, and a plurality of sound absorption holes III 34 are formed in the fine groove IX 31. The sound absorbing holes III 34 effectively reduce noise generated by the tire and the road surface during high-speed running. The adjacent two pattern blocks IV are connected through the reinforcing ribs IV 30, so that rigidity of the pattern blocks III is guaranteed, the ground grabbing force is improved, and meanwhile noise is reduced.
Claims (6)
1. The utility model provides a car is tire for sports car, include with the inboard end that is close to the vehicle of tire installation direction to keep away from the outside end of vehicle along circumferencial direction in proper order around shoulder slot I (1), middle slot I (2), middle slot II (3) and shoulder slot II (4) that set up, shoulder slot I (1), middle slot I (2), middle slot II (3) and shoulder slot II (4) cut apart child shoulder ground connection portion I (5), middle ground connection portion I (6), center rib (7), middle ground connection portion II (8) and shoulder ground connection portion II (9) with the tire from inside to outside in proper order, its characterized in that:
A plurality of circular arc grooves I (10) are uniformly arranged on the tire shoulder grounding part I (5) at intervals along the circumferential direction, the circular arc grooves I (10) are transversely arranged, the inner side ends of the circular arc grooves I (10) are communicated with the inner side ends of the tire shoulder grounding part I (5), the outer side ends of the circular arc grooves I (10) are communicated with the shoulder grooves I (1), the circular arc grooves I (10) are bent backwards, each circular arc groove I (10) divides the tire shoulder grounding part I (5) into a plurality of pattern blocks I in the circumferential direction, each pattern block I is provided with a fine pattern groove I (11) and a fine pattern groove II (12), the inner side ends of the fine pattern grooves I (11) are communicated with the inner side ends of the tire shoulder grounding part I (5), and the outer side ends of the fine pattern grooves II (12) are communicated with the shoulder grooves I (1);
a plurality of grooves I (18) are uniformly arranged on the middle grounding part I (6) at intervals along the circumferential direction, the grooves I (18) are obliquely arranged, wavy wave grooves (15) are formed in the outer side of the middle grounding part I (6) along the circumferential direction, the inner side ends of the grooves I (18) are communicated with the shoulder grooves I (1), the outer side ends of the grooves I (18) are communicated with the wave grooves (15), each groove I (18) and each wave groove (15) divide the middle grounding part I (6) into a plurality of diamond-shaped pattern blocks II along the circumferential direction, and a plurality of circular arc-shaped fine groove III (16) are formed in each pattern block II;
A plurality of grooves II (21) are uniformly arranged on the central rib (7) at intervals along the circumferential direction, the grooves II (21) are obliquely arranged, the inner side ends of the grooves II (21) are communicated with the middle groove I (2), a plurality of fine grain grooves IV (22) are arranged between every two adjacent grooves II (21), and the outer side ends of the fine grain grooves IV (22) are communicated with the middle groove II (3);
The middle ground part II (8) is uniformly provided with a plurality of V-shaped grooves III (23) at intervals along the circumferential direction, the inner side ends of the grooves III (23) are communicated with the middle groove II (3), the outer side ends of the grooves III (23) are communicated with the shoulder groove II (4), each groove III (23) divides the middle ground part II (8) into a plurality of pattern blocks III along the circumferential direction, each pattern block III is sequentially provided with a fine groove VI (24), a fine groove VII (25) and a fine groove VIII (26) in an inclined manner from the front end to the rear end, the fine groove VI (24), the fine groove VII (25) and the fine groove VIII (26) are mutually parallel, the outer side ends of the fine groove VI (24) are communicated with the shoulder groove II (4), the inner side ends of the fine groove VIII (26) are communicated with the middle groove II (3), and the outer side ends of the fine groove VII (25) are communicated with the middle groove II (3);
The tire shoulder grounding part II (9) is uniformly provided with a plurality of circular arc grooves II (29) at intervals along the circumferential direction, the circular arc grooves II (29) are transversely arranged, the inner side ends of the circular arc grooves II (29) are communicated with the shoulder grooves II (4), the outer side ends of the circular arc grooves II (29) are communicated with the outer side ends of the tire shoulder grounding part II (9), the circular arc grooves II (29) are bent forwards, each circular arc groove II (29) divides the tire shoulder grounding part II (9) into a plurality of pattern blocks IV in the circumferential direction, each pattern block IV is sequentially and obliquely provided with a fine groove X (32), a fine groove IX (31) and a fine groove XI (33) from the front end to the rear end, the fine groove X (32), the fine groove IX (31) and the fine groove XI (33) are mutually parallel, the outer side ends of the fine groove XI (33) are communicated with the outer side ends of the tire shoulder grounding part II (9), and the inner side ends of the fine groove IX (31) and the shoulder grooves II (4) are communicated;
the fine grain groove I (11) is provided with a sound absorption groove (13);
The corners of the rear end of the inner side of the pattern block II are round chamfers (17), the corners of the front end of the outer side of the pattern block II are provided with a plurality of steps (35), and the height of each step (35) is gradually reduced from the inner side to the outer side; a raised bead II (19) is formed at the inner end of the groove I (18) in the cross-sectional direction of the tire.
2. The car sports car tire according to claim 1, wherein: the groove widths of the fine groove I (11) and the fine groove II (12) are 0.6-1.8mm, the fine groove I (11) and the fine groove II (12) are arc-shaped structures, the fine groove I (11) and the fine groove II (12) are bent forwards, and protruding reinforcing ribs I (14) are formed at the outer side ends of the arc grooves I (10) in the cross section direction of the tire.
3. The car sports car tire according to claim 1, wherein: the width of the groove I (18) is widened from the inner side to the outer side, the groove width of the fine groove III (16) is 0.6-1.8mm, and a plurality of sound absorption holes I (20) are formed in the outer side of the wavy groove (15) at intervals along the circumferential direction.
4. The car sports car tire according to claim 1, wherein: the groove II (21) is of a wedge-shaped structure with a wide upper part and a narrow lower part, an included angle between the two inclined planes is 25-30 degrees, the groove width of the fine groove IV (22) is 0.6-1.8mm, and the axial width of the groove II (21) is 65-70% of the width of the central rib (7).
5. The car sports car tire according to claim 1, wherein: the groove widths of the fine groove VI (24), the fine groove VII (25) and the fine groove VIII (26) are 0.6-1.8mm, the included angle of the V-shaped groove III (23) is 155-160 degrees, protruding reinforcing ribs III (27) are formed at the inner side end and the outer side end of the groove III (23) in the cross section direction of the tire, and sound absorbing holes II (28) are formed in the middle of the fine groove VII (25).
6. The car sports car tire according to claim 1, wherein: the groove widths of the fine groove X (32), the fine groove IX (31) and the fine groove XI (33) are 0.6-1.8mm, raised reinforcing ribs IV (30) are formed at the inner side ends of the circular arc grooves II (29) in the cross section direction of the tire, and a plurality of sound absorption holes III (34) are formed in the fine groove IX (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673896.2A CN110315912B (en) | 2019-07-25 | 2019-07-25 | Tire for car sports car |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910673896.2A CN110315912B (en) | 2019-07-25 | 2019-07-25 | Tire for car sports car |
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| Publication Number | Publication Date |
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| CN110315912A CN110315912A (en) | 2019-10-11 |
| CN110315912B true CN110315912B (en) | 2024-06-04 |
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| CN201910673896.2A Active CN110315912B (en) | 2019-07-25 | 2019-07-25 | Tire for car sports car |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102862448A (en) * | 2012-09-26 | 2013-01-09 | 江苏大学 | Tread pattern capable of reducing tire pumping noises |
| CN103158443A (en) * | 2011-12-19 | 2013-06-19 | 青岛黄海橡胶股份有限公司 | Car radial tire tread pattern |
| EP2610081A2 (en) * | 2011-12-28 | 2013-07-03 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| CN205989631U (en) * | 2016-08-26 | 2017-03-01 | 山东省三利轮胎制造有限公司 | A kind of low noise vehicle tyre |
| CN210478304U (en) * | 2019-07-25 | 2020-05-08 | 寿光福麦斯轮胎有限公司 | Tire for sports car |
-
2019
- 2019-07-25 CN CN201910673896.2A patent/CN110315912B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103158443A (en) * | 2011-12-19 | 2013-06-19 | 青岛黄海橡胶股份有限公司 | Car radial tire tread pattern |
| EP2610081A2 (en) * | 2011-12-28 | 2013-07-03 | Sumitomo Rubber Industries, Ltd. | Pneumatic tire |
| CN102862448A (en) * | 2012-09-26 | 2013-01-09 | 江苏大学 | Tread pattern capable of reducing tire pumping noises |
| CN205989631U (en) * | 2016-08-26 | 2017-03-01 | 山东省三利轮胎制造有限公司 | A kind of low noise vehicle tyre |
| CN210478304U (en) * | 2019-07-25 | 2020-05-08 | 寿光福麦斯轮胎有限公司 | Tire for sports car |
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| CN110315912A (en) | 2019-10-11 |
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