CN102717669B - Tire tread pattern structure for all-terrain vehicle - Google Patents
Tire tread pattern structure for all-terrain vehicle Download PDFInfo
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- CN102717669B CN102717669B CN201210196229.8A CN201210196229A CN102717669B CN 102717669 B CN102717669 B CN 102717669B CN 201210196229 A CN201210196229 A CN 201210196229A CN 102717669 B CN102717669 B CN 102717669B
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Abstract
Disclosed is a tire tread pattern structure for an all-terrain vehicle. Independent raised pattern blocks are distributed on a tread of a tire, the pattern blocks are distributed on the tread in a transverse arraying manner, pattern blocks in each row are distributed crossly, namely each pattern block in a second row is right aligned with a gap between two adjacent pattern blocks in a first row, and outside extending bevels of the pattern blocks located on two sides of the tread are connected with a tire bead together. A diagonal plane is arranged at the transverse outside edge of each pattern block. Each pattern block of the tread of the tire is arrayed transversely and regularly, and accordingly traction performance of the tire can be improved effectively. The diagonal planes are arranged at the transverse outside edges of the pattern blocks, and accordingly slippage resistance when the vehicle makes a turn can be reduced, and slippage performance of the tire is improved. The outside extending bevels of the pattern blocks located on the two sides of the tread are connected with the tire bead together, so that traction performance of the tire on a shaft can be improved, escaping capacity of the tire from the soil is improved, and handling performance in making a turn of the tire is improved effectively.
Description
Technical field
The present invention relates to a kind of pattern structure on tire tread, refer in particular to a kind of all-terrain vehicle (ALL Terrain Vehicle) pattern structure on tire tread that promotes tire trailing wheel position turning handling.
Background technology
Along with the development in an all-round way of automotive market, all-terrain vehicle (ALL Terrain Vehicle) is more and more subject to the all-terrain vehicle of customer's concern, particularly sports type as a kind of emerging class of vehicle.More and more customers that have deep love for motion set it as a kind of first-selected vehicle of amusement and leisure campaign.Considering that all-terrain vehicle is used the particularity of landform, is traction property and the traveling comfort requirement of lifting vehicle, and the all-terrain vehicle of sports type starts to adopt at trailing wheel the structure design of independent suspension now.This kind of design promoted the subsides ground property of tire, to obtain required tractive property.But but, because the high tractive property of tire has caused trailing wheel not good in the sideslip performance of turning, cause the handling decline of turning of tire.
Consider the particularity of the landform that all-terrain vehicle vehicle uses, the decorative pattern of tire protector often adopts arrange in pairs or groups the again design of darker pattern depth of block configuration design at present, to promote tire at the tractive property of disliking under travel permit part.But block configuration design easily interferes in the process of the turning of tire, reduces the smooth slippage while turning, affects the slip property of tire.Though and the design of darker decorative pattern ditch depth has promoted tire at the traction property of disliking under travel permit part, have larger Moment in pattern block root when tire drives and brakes, reduced the durability of pattern block.
For promoting the turning slip property of block pattern block design, the block-type tread block edge of being everlasting design one extends to the inclined design of pattern block sidewall, it has had certain improvement to turning slip property, but has weakened the rigidity of pattern block, affects the turning performance of tire.For promoting the durability of tire tread block, often pattern block is set to cone shape, and pattern block sidewall adopts the design of tilting laterally, and to strengthen the rigidity of pattern block root, but it is to tire turning performance boost poor effect.
Summary of the invention
For the shortcomings of above-mentioned prior art, the object of this invention is to provide a kind of all-terrain vehicle pattern structure on tire tread that the tractive property while can effectively promote again tire turning handling that do not lose.
For achieving the above object, solution of the present invention is:
A kind of all-terrain vehicle pattern structure on tire tread, it is the pattern block that is distributed with separate convex on the tyre surface of tire, each pattern block with transversely arranged formal distribution on tyre surface, and each row's pattern block is staggered, the each pattern block that is second row is just aimed at the gap location between adjacent two pattern blocks of first row, and the extension inclined-plane, outside and the tyre bead that are positioned at the pattern block of tyre surface both sides link together; Each pattern block lateral outer side edge is provided with diagonal plane.
Described each pattern block is divided at the core piece at tyre surface center, in abutting connection with the shoulder pattern block at tyre bead place and the interval pattern block between the two.
Described each core piece is the block of a nearly rectangle, the vertical/horizontal ratio of its block is 0.3 ~ 0.8, on its end face, be provided with multiple notches, form the diagonal plane of convergent in the both lateral sides face outer rim of this core piece downwards, this diagonal plane extends to core piece bottom by core piece top.
Described each shoulder pattern block lateral surface extends to tyre edge, and shoulder pattern block outside forms oblique surface, and the initiating terminal of the oblique surface of each row's shoulder pattern block is on the same contour of tire, is provided with notch at the end face of shoulder pattern block.
Described each interval pattern block is the block of a nearly rectangle, the vertical/horizontal ratio of its block is 0.3 ~ 0.8, on its end face, be provided with the notch of multiple uniform intervals pattern block rigidity, form the diagonal plane of convergent downwards in a side outer rim of the contiguous tyre bead of this interval pattern block, this diagonal plane extends to pattern block bottom, interval by pattern block top, interval.
The diagonal plane of described each core piece and interval pattern block and the separately angle of pattern block top normal beam technique plane are 10 °-35 °.
The diagonal plane of described each core piece and interval pattern block and the separately angle of pattern block top normal beam technique plane are 15 °-35 °.
The angle of the diagonal plane of described each axial interval pattern block the closer to shoulder pattern block and separately pattern block top normal beam technique plane is larger.
Described each core piece, each interval pattern block are respectively equipped with cascaded surface, and wherein the ratio of pattern block top ditch depth and pattern block height is 0.1 ~ 0.3, and the ratio of cascaded surface ditch depth and pattern block height is 0.2 ~ 0.5.
Described each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the ratio of the transverse width of this cascaded surface and pattern block transverse width is 0.2 ~ 0.5.
Described each core piece, each interval pattern block block are respectively equipped with cascaded surface, and longitudinal width of this cascaded surface and the ratio of the longitudinal width of pattern block are 0.1 ~ 0.4.
Described each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the distance between lateral symmetry center and the pattern block circumferential edge of this cascaded surface and the ratio of pattern block transverse width are 0.3 ~ 0.7.
Adopt after such scheme, because each pattern block employing of tire protector of the present invention is laterally regularly arranged, can effectively promote the traction property of tire; Be provided with diagonal plane at pattern block lateral outer side edge, can reduce the slippage impedance of tire in the time turning, promote the slip property of tire; Can promote the traction property of tire in shaft and be positioned at arranging that the extension inclined-plane, outside of pattern block of tyre surface both sides and tyre bead link together, increase the get rid of poverty ability of tire in mud ground, thereby reach effect of effective lifting tire turning handling.
Brief description of the drawings
Fig. 1 is the schematic perspective view of tire of the present invention;
Fig. 2 is the front view of tire of the present invention;
Fig. 3 is that tire tread pattern of the present invention launches schematic diagram;
Fig. 4 is the schematic diagram of interval of the present invention pattern block;
Fig. 5 is that the A-A ' of Fig. 3 is to cutaway view;
Fig. 6 is that the B-B ' of Fig. 3 is to cutaway view;
Fig. 7 is that the C-C ' of Fig. 3 is to cutaway view;
Fig. 8 is that the D-D ' of Fig. 3 is to cutaway view;
Fig. 9 is that the E-E ' of Fig. 3 is to cutaway view;
Figure 10 is the stressed schematic diagram of tire tread block of the present invention;
Figure 11 is that the F-F ' of Fig. 3 is to cutaway view;
Figure 12 is schematic diagram after tread block removal diagonal plane of the present invention.
Detailed description of the invention
As shown in Figures 1 to 10, the present invention has disclosed a kind of all-terrain vehicle pattern structure on tire tread, it is mainly the pattern block that is distributed with separate convex on the tyre surface 1 of tire, wherein each pattern block with transversely arranged formal distribution on tyre surface 1, and each row's pattern block is staggered, the each pattern block that is second row is just aimed at the gap location between adjacent two pattern blocks of first row, so form pattern block that decorative pattern arranges as odd number row on the tire contour of same position, each pattern block of even rows is on the tire contour of same position, and the extension inclined-plane, outside and the tyre bead 2 that are positioned at the pattern block of tyre surface 1 both sides link together.
Above-mentioned pattern block is divided at the core piece 10 at tyre surface center, in abutting connection with the shoulder pattern block 20 at tyre bead place and the interval pattern block 30 between the two;
This core piece 10 is the block of a nearly rectangle, for ensureing tire enough tractive property in the time keeping straight on, the vertical/horizontal of block is designed to 0.3 ~ 0.8 than L/W, is preferably 0.4 ~ 0.6.This is the block of length laterally, due to axial edge composition is larger and horizontal ditch 40 from long pressed hard earth etc. to obtain larger tractive force therein (laterally ditch is longer, and easily pressed hard earth ground by volume in ditch, these two conditions contribute to obtain compared with large traction), if when block vertical/horizontal more excessive than L/W, can not give full play to effect block that tractive force that this design brings is larger vertical/horizontal more too small than L/W time, block can be because becoming the undue laterally long rigidity deficiency that causes block, make tire easy avalanche in driving or braking, affect the traction property of tire.On its end face, be provided with multiple notches 101, with the rigidity of uniform core piece 10, the diagonal plane 102 that separately forms convergent in the both lateral sides face outer rim of this core piece 10 downwards, this diagonal plane 102 extends to core piece 10 bottoms by core piece 10 tops 103;
These shoulder pattern block 20 lateral surfaces extend to tyre edge 2, be that shoulder pattern block 20 outsides form oblique surface 201, and the initiating terminal of the oblique surface 201 of each row's shoulder pattern block 20 is on the same contour of tire, arranging of this shoulder pattern block 30 can effectively promote the traction property of tire in rut, increase the get rid of poverty ability of tire in mud ground, be separately provided with equally the rigidity of notch 202 with uniform shoulder pattern block 20 at the end face of shoulder pattern block 20;
This interval pattern block 30 is also the block of a nearly rectangle, for ensureing tire enough tractive property in the time keeping straight on, the vertical/horizontal of block is designed to 0.3 ~ 0.8 than L/W, is preferably 0.4 ~ 0.6.This is the block of length laterally, due to axial edge composition compared with large and horizontal ditch 40 from obtaining larger tractive force compared with the long hard earth etc. of being pressed therein, if when block vertical/horizontal more excessive than L/W, can not give full play to the larger effect of tractive force that this design brings, if when block vertical/horizontal more too small than L/W, block can, because becoming the undue laterally long rigidity deficiency that causes block, make tire easy avalanche in driving or braking, and affects the traction property of tire.On its same end face, be provided with the notch 301 of multiple uniform intervals pattern block 10 rigidity, the diagonal plane 302 that forms convergent in a side outer rim of the contiguous tyre bead of this interval pattern block 30 downwards, this diagonal plane 302 extends to interval pattern block 30 bottoms by interval pattern block 30 tops 303.
Because each pattern block of tire protector adopts laterally regularly arranged to promote the traction property of tire, and each pattern block adopts step portion hierarchical Design, be that each pattern block is provided with cascaded surface 304, as shown in Figures 5 to 9, wherein the ratio h1/H of pattern block top ditch depth and pattern block height is 0.1 ~ 0.3, is preferably 0.15 ~ 0.25; Coordinate shown in Figure 12, and the ratio h2/H of cascaded surface 304 ditch depths and pattern block height is 0.2 ~ 0.5, is preferably 0.3 ~ 0.4.This design will reduce pattern block top surface area, increase edge length and the corner effect of pattern block end face, be beneficial to tire incision mud ground, improve the traction property of disliking road road traveling.Affect the intensity of each pattern block if this two depth design is crossed senior general, reduce Using Life of Tyre.When this two depth design is too small, cannot fully manifest the above-mentioned effect of bringing.The ratio W1/W of the transverse width W1 of cascaded surface 304 and pattern block transverse width W is 0.2 ~ 0.5, is preferably 0.3 ~ 0.4, if when this transverse width ratio is excessive, by reducing the pattern block rigidity of tire, affects Using Life of Tyre; If when this transverse width ratio is too small, cannot effectively increases edge length and the corner effect of pattern block end face, thereby affect the lifting of tractive property.The ratio L1/L of longitudinal width L1 of cascaded surface 304 and longitudinal width L of pattern block is 0.1 ~ 0.4, if when this longitudinal width ratio is excessive, by reducing the pattern block rigidity of tire, affects Using Life of Tyre; If when this longitudinal width ratio is too small, cannot effectively increases edge length and the corner effect of pattern block end face, thereby affect effective performance of tractive property.Distance between lateral symmetry center and the pattern block circumferential edge of cascaded surface 304 is that the ratio W2/W of W2 and pattern block transverse width W is 0.3 ~ 0.7, preferably 0.4 ~ 0.6.The lateral symmetry that is cascaded surface is centered close near pattern block lateral symmetry center.If this ratio is excessive or when too small, cannot reach the uniformization of pattern block ground connection.Anti-irregular wear while affecting tire running.There is again the diagonal plane 102,302 of pattern block to be arranged at tire to be arranged on the outer side edges of vehicle, coordinate shown in Figure 10, this designs in the time of tire turning sideslip, can reduce the positive acting power of foreign object to pattern block on the one hand, lower the slippage impedance of pattern block, improve the sideslip performance of tire, reduced on the other hand the stress of pattern block root and concentrated, improve pattern block root rigidity, reduced the endurance failure possibility of pattern block.This arranges the contact area also can increase tire E road and travel time, improves tire at the traction property of disliking under travel permit part.In order to avoid, the diagonal plane of pattern block is excessive causes the sideslip of tire excessive, affect the handling of tire, the angle of the diagonal plane of the axial interval pattern block 30 the closer to shoulder pattern block 20 and separately pattern block top normal beam technique plane is larger, i.e. θ 1=θ 4 >=θ 2=θ 3, θ 1=θ 4 >=θ 5=θ 6.
Coordinate shown in Fig. 5 to Fig. 9, the angle of the diagonal plane 102,302 of each pattern block and each pattern block top normal beam technique plane is θ 1 to θ 6, and θ 1 to θ 6 can be set to: 10 °-35 °, be preferably: 15 °-35 °.When this θ angle setting is less than 10 °, to the sideslip performance boost poor effect of turning.If when the setting of θ angle is greater than 35 °, the tractive property of whole pattern block is promoted excessive, pattern block rigidity is excessively strong, the lifting of the sideslip performance that is unfavorable on the contrary turning, another diagonal plane 102,302 angles arrange when excessive spoil disposal space affect between pattern block, sand discharge spoil disposal performance that will reduction tire.
The pattern block setting that shoulder decorative pattern 20 extends to tyre edge 2 can effectively promote the traction property of tire in rut, increases the get rid of poverty ability of tire in mud ground.
Adopt and manufactured experimently the all-terrain vehicle tire that multiple trailing wheel specification is AT20X11-9 and they are carried out to test performance evaluation as Fig. 1 decorative pattern pattern.Turning handling is that the vehicle that each testing tire is installed under the following conditions by using travels on cross-country course, and it is handling to turn taking conventional case as the very method evaluation of 5 points respectively by the sense organ of chaufeur, and the larger turning of numerical value is handling more superior.Concrete test condition is as follows.
Wheel rim: 9X9.0AT
Interior pressure: 45kPa
The all-terrain vehicle of vehicle: free air capacity 450cc
Test result is as following table 1:
| ? | Conventional case | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| The angle angle θ 1(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 25 | 35 | 25 | 35 | 35 |
| The angle angle θ 2(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 15 | 15 | 25 | 35 | 45 |
| The angle angle θ 3(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 15 | 15 | 25 | 35 | 45 |
| The angle angle θ 4(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 25 | 35 | 25 | 35 | 35 |
| The angle angle θ 5(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 15 | 15 | 25 | 35 | 50 |
| The angle angle θ 6(° of diagonal plane and pattern block top normal beam technique plane) | 10 | 15 | 15 | 15 | 25 | 35 | 50 |
| Turning handling (index) | 5 | 7 | 7.5 | 7.5 | 6.5 | 4.5 | 4 |
| Traction property (index) | 5 | 7 | 7 | 7 | 6.5 | 4.5 | 4 |
| Overall performance (index) | 5 | 6.5 | 6.7 | 6.7 | 6.0 | 4.5 | 4 |
Can confirm to adopt after the tread design after this improvement by test result, tire can improve the sideslip of tire in the time turning effectively, promotes the turning handling of tire.
Claims (12)
1. an all-terrain vehicle pattern structure on tire tread, it is characterized in that: be the pattern block that is distributed with separate convex on the tyre surface of tire, each pattern block with transversely arranged formal distribution on tyre surface, and each row's pattern block is staggered, the each pattern block that is second row is just aimed at the gap location between adjacent two pattern blocks of first row, and the extension inclined-plane, outside and the tyre bead that are positioned at the pattern block of tyre surface both sides link together; Each pattern block lateral outer side edge is provided with diagonal plane; Described each pattern block is divided at the core piece at tyre surface center, in abutting connection with the shoulder pattern block at tyre bead place and the interval pattern block between the two; Described each core piece is the block of a nearly rectangle, the vertical/horizontal ratio of its block is 0.3 ~ 0.8, on its end face, be provided with multiple notches, form the diagonal plane of convergent in the both lateral sides face outer rim of this core piece downwards, this diagonal plane extends to core piece bottom by core piece top.
2. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, is characterized in that: the angle of the diagonal plane of described each core piece and core piece top normal beam technique plane is 10 °-35 °.
3. all-terrain vehicle pattern structure on tire tread as claimed in claim 2, is characterized in that: the angle of the diagonal plane of described each core piece and core piece top normal beam technique plane is 15 °-35 °.
4. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, is characterized in that: the angle of the diagonal plane of described each axial interval pattern block the closer to shoulder pattern block and separately pattern block top normal beam technique plane is larger.
5. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, it is characterized in that: described each shoulder pattern block lateral surface extends to tyre edge, be that shoulder pattern block outside forms oblique surface, and the initiating terminal of the oblique surface of each row's shoulder pattern block is on the same contour of tire, be provided with notch at the end face of shoulder pattern block.
6. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, it is characterized in that: described each interval pattern block is the block of a nearly rectangle, the vertical/horizontal ratio of its block is 0.3 ~ 0.8, on its end face, be provided with the notch of multiple uniform intervals pattern block rigidity, form the diagonal plane of convergent downwards in a side outer rim of the contiguous tyre bead of this interval pattern block, this diagonal plane extends to pattern block bottom, interval by pattern block top, interval.
7. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, is characterized in that: the angle of the diagonal plane of described each interval pattern block and pattern block top, interval normal beam technique plane is 10 °-35 °.
8. all-terrain vehicle pattern structure on tire tread as claimed in claim 7, is characterized in that: the angle of the diagonal plane of described each interval pattern block and pattern block top, interval normal beam technique plane is 15 °-35 °.
9. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, it is characterized in that: described each core piece, each interval pattern block are respectively equipped with cascaded surface, wherein the ratio of pattern block top ditch depth and pattern block height is 0.1 ~ 0.3, and the ratio of cascaded surface ditch depth and pattern block height is 0.2 ~ 0.5.
10. all-terrain vehicle pattern structure on tire tread as claimed in claim 1, is characterized in that: described each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the ratio of the transverse width of this cascaded surface and pattern block transverse width is 0.2 ~ 0.5.
11. all-terrain vehicle pattern structure on tire treads as claimed in claim 1, is characterized in that: described each core piece, each interval pattern block block are respectively equipped with cascaded surface, and longitudinal width of this cascaded surface and the ratio of the longitudinal width of pattern block are 0.1 ~ 0.4.
12. all-terrain vehicle pattern structure on tire treads as claimed in claim 1, it is characterized in that: described each core piece, each interval pattern block block are respectively equipped with cascaded surface, the distance between lateral symmetry center and the pattern block circumferential edge of this cascaded surface and the ratio of pattern block transverse width are 0.3 ~ 0.7.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210196229.8A CN102717669B (en) | 2012-06-14 | 2012-06-14 | Tire tread pattern structure for all-terrain vehicle |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210196229.8A CN102717669B (en) | 2012-06-14 | 2012-06-14 | Tire tread pattern structure for all-terrain vehicle |
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| CN102717669A CN102717669A (en) | 2012-10-10 |
| CN102717669B true CN102717669B (en) | 2014-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD805464S1 (en) | 2016-06-24 | 2017-12-19 | Koofy Development Limited | Tire for a single wheel self-balancing vehicle |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3475104A4 (en) | 2016-06-24 | 2020-03-11 | Koofy Innovation Limited | Single wheel self-balancing vehicle with tire permitting carving motion |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| EP2423006A1 (en) * | 2010-08-26 | 2012-02-29 | Sumitomo Rubber Industries, Ltd. | Motorcycle tire for running on rough terrain |
| CN202641267U (en) * | 2012-06-14 | 2013-01-02 | 厦门正新橡胶工业有限公司 | All-terrain vehicle tire tread pattern structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4272244B2 (en) * | 2007-09-13 | 2009-06-03 | 住友ゴム工業株式会社 | Pneumatic tire for running on rough terrain |
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2012
- 2012-06-14 CN CN201210196229.8A patent/CN102717669B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| EP2423006A1 (en) * | 2010-08-26 | 2012-02-29 | Sumitomo Rubber Industries, Ltd. | Motorcycle tire for running on rough terrain |
| CN202641267U (en) * | 2012-06-14 | 2013-01-02 | 厦门正新橡胶工业有限公司 | All-terrain vehicle tire tread pattern structure |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| USD805464S1 (en) | 2016-06-24 | 2017-12-19 | Koofy Development Limited | Tire for a single wheel self-balancing vehicle |
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