CN102717669A - Tire tread pattern structure for all-terrain vehicle - Google Patents
Tire tread pattern structure for all-terrain vehicle Download PDFInfo
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- CN102717669A CN102717669A CN2012101962298A CN201210196229A CN102717669A CN 102717669 A CN102717669 A CN 102717669A CN 2012101962298 A CN2012101962298 A CN 2012101962298A CN 201210196229 A CN201210196229 A CN 201210196229A CN 102717669 A CN102717669 A CN 102717669A
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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 tire tread pattern structure, refer in particular to a kind of ATV (ALL Terrain Vehicle) tire tread pattern structure that promotes tire trailing wheel position turning handling.
Background technology
Along with the development in an all-round way of automotive market, ATV (ALL Terrain Vehicle) more and more receives the ATV of customer's concern, particularly sports type as a kind of emerging class of vehicle.More and more customers that have deep love for moving are with its first-selected vehicle as a kind of amusement and leisure campaign.Considering the particularity of ATV use landform, is traction property and the traveling comfort requirement that promotes vehicle, and the ATV of sports type begins to adopt at trailing wheel the structure design of independent suspension now.This kind design has promoted the subsides ground property of tire, to obtain required tractive property.But but, cause the handling decline of turning of tire because the high tractive property of tire has caused trailing wheel not good in the sideslip performance of turning.
Consider the particularity of the landform that the ATV 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 the travel permit spare.But block configuration design interferes in the process of the turning of tire easily, reduces the smooth slippage property when turning, and influences 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 the travel permit spare,, tire have bigger moment of flexure to act on the pattern block root when driving and brake, reduced the durability of pattern block.
For promoting block pattern block design-calculated turning slip property; 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 the turning slip property, but has weakened the rigidity of pattern block, influences the turning performance of tire.For promoting the durability of tire tread block, often pattern block is set to cone shape, and promptly the pattern block sidewall adopts the design of outward inclining, and with the rigidity of increasing pattern block root, but it is to tire turning performance boost poor effect.
Summary of the invention
To many shortcomings of above-mentioned prior art, the purpose of this invention is to provide a kind of ATV tire tread pattern structure that tractive property can effectively promote tire turning handling simultaneously again of not losing.
For realizing above-mentioned purpose, solution of the present invention is:
A kind of ATV tire tread pattern structure; It is the pattern block that on tread of tyre, is distributed with separate convex; Each pattern block is distributed on the tyre surface with transversely arranged form; And pattern block interleaved of each row is arranged, and promptly each pattern block of second series is just aimed at the gap location between adjacent two pattern blocks of first row, and the inclined-plane is extended in the outside that is positioned at the pattern block of tyre surface both sides and tyre bead links together; Each pattern block lateral outer side edge is provided with diagonal plane.
Said each pattern block is divided into core piece at the tyre surface center, in abutting connection with the shoulder pattern block at tyre bead place and the interval pattern block between the two.
Said each core piece is the block of a nearly rectangle; Its block vertical/horizontal ratio is 0.3 ~ 0.8; Its end face is provided with a plurality of notches, forms the diagonal plane of convergent downwards in the both lateral sides face outer rim of this core piece, and this diagonal plane extends to core piece bottom by core piece top.
Said each shoulder pattern block lateral surface extends to tyre edge, and promptly the 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.
Said each interval pattern block is the block of a nearly rectangle; Its block vertical/horizontal ratio is 0.3 ~ 0.8; Its end face is provided with a plurality of notches of pattern block rigidity at interval that are uniformly distributed with; 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 at interval by pattern block top, interval.
Said each core piece and the diagonal plane of pattern block at interval are 10 °-35 ° with the angle on pattern block top normal beam technique plane separately.
Said each core piece and the diagonal plane of pattern block at interval are 15 °-35 ° with the angle on pattern block top normal beam technique plane separately.
It is said that each is axially big more with the angle on pattern block top normal beam technique plane separately the closer to the diagonal plane of the interval pattern block of shoulder pattern block.
Said 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.
Said 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.
Said each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the vertical width of this cascaded surface and the ratio of the vertical width of pattern block are 0.1 ~ 0.4.
Said each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the lateral symmetry center of this cascaded surface and the distance between the pattern block circumferential edge are 0.3 ~ 0.7 with the ratio of pattern block transverse width.
After adopting such scheme,, can effectively promote the traction property of tire because each pattern block employing of tire protector of the present invention is laterally regularly arranged; Be provided with diagonal plane at pattern block lateral outer side edge, can reduce the slippage impedance of tire when turning, promote the slip property of tire; And the outside that is positioned at the pattern block of tyre surface both sides is extended being provided with that inclined-plane and tyre bead link together and can be promoted the traction property of tire in shaft, the get rid of poverty ability of increase tire in mud ground, thus reach the effect of effective lifting tire turning handling.
Description of 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 launches scheme drawing for tire tread pattern of the present invention;
Fig. 4 is the scheme drawing of the present invention interval 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 scheme drawing of tire tread block of the present invention;
Figure 11 is that the F-F ' of Fig. 3 is to cutaway view;
Figure 12 removes scheme drawing behind the diagonal plane for tread block of the present invention.
The specific embodiment
Extremely shown in Figure 10 like Fig. 1; The present invention has disclosed a kind of ATV tire tread pattern structure; It mainly is the pattern block that on tread of tyre 1, is distributed with separate convex, and wherein each pattern block is distributed on the tyre surface 1 with transversely arranged form, and each row's pattern block interleaved is arranged; Each pattern block that is second series is just aimed at the gap location between adjacent two pattern blocks of first row; So form decorative pattern and arrange pattern block into 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 inclined-plane is extended in the outside that is positioned at the pattern block of tyre surface 1 both sides and tyre bead 2 links together.
Above-mentioned pattern block is divided into core piece 10 at the 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 guaranteeing tire enough tractive property when keeping straight on, with block vertical/horizontally be designed to 0.3 ~ 0.8 than L/W, be preferably 0.4 ~ 0.6.Be somebody's turn to do laterally long block; (laterally ditch is longer because the bigger and horizontal ditch 40 of axial edge composition is pressed hard earth etc. to obtain bigger tractive force from long portion within it; And be prone in the ditch pressed hard earth ground by volume, these two conditions help to obtain than large traction), if the indulging of block/horizontal when more excessive than L/W; Then can not give full play to the bigger effect block of tractive force that this design brings vertical/horizontal when more too small than L/W; Block can be not enough because of the too laterally long rigidity of block that cause that becomes, and makes tire when driving or braking, be prone to avalanche, influences the traction property of tire.Its end face is provided with a plurality of notches 101; To be uniformly distributed with the rigidity of core piece 10; Form the diagonal plane 102 of convergent in addition downwards in the both lateral sides face outer rim of this core piece 10, promptly 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; Being provided with of this shoulder pattern block 30 can effectively promote the traction property of tire in rut, increases the get rid of poverty ability of tire in mud ground, and the end face at shoulder pattern block 20 is provided with notch 202 equally to be uniformly distributed with the rigidity of shoulder pattern block 20 in addition;
This interval pattern block 30 also is the block of a nearly rectangle, for guaranteeing tire enough tractive property when keeping straight on, with block vertical/horizontally be designed to 0.3 ~ 0.8 than L/W, be preferably 0.4 ~ 0.6.Be somebody's turn to do laterally long block; Owing to the bigger and horizontal ditch 40 of axial edge composition is pressed hard earth etc. to obtain bigger tractive force from long portion within it, if the indulging of block/horizontal when more excessive than L/W, then can not give full play to the bigger effect of tractive force that this design brings; If block is vertical/horizontal when more too small than L/W; Block can be not enough because of the too laterally long rigidity of block that cause that becomes, and makes tire when driving or braking, be prone to avalanche, influences the traction property of tire.Its same end face is provided with a plurality of notches 301 of pattern block 10 rigidity at interval that are uniformly distributed with; Form the diagonal plane 302 of convergent downwards in a side outer rim of the contiguous tyre bead of this interval pattern block 30, promptly this diagonal plane 302 extends to pattern block 30 bottoms at interval 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 the step portion hierarchical Design; Be that each pattern block is provided with cascaded surface 304; To shown in Figure 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 like Fig. 5; Cooperate shown in Figure 12ly, 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 the pattern block top surface area, increase the edge length and the corner effect of pattern block end face, be beneficial to tire incision mud ground, improve the traction property of disliking the road road traveling.If this two depth design crosses the intensity that senior general influences each pattern block, reduce tire service life.Can't fully manifest the above-mentioned effect of bringing when this two depth design is too small.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 this transverse width ratio when excessive, will reduce tread bar piece rigidity, influences tire service life; If when this transverse width ratio is too small, can't increases the edge length and the corner effect of pattern block end face effectively, thereby influence the lifting of tractive property.The ratio L1/L of vertical width L1 of cascaded surface 304 and vertical width L of pattern block is 0.1 ~ 0.4, if this vertical width ratio when excessive, will reduce tread bar piece rigidity, influences tire service life; If when this vertical width ratio is too small, can't increases the edge length and the corner effect of pattern block end face effectively, thereby influence effective performance of tractive property.The lateral symmetry center of cascaded surface 304 and the distance between the pattern block circumferential edge are that the ratio W2/W of W2 and pattern block transverse width W is 0.3 ~ 0.7, preferred 0.4 ~ 0.6.The lateral symmetry that is cascaded surface is centered close near the pattern block lateral symmetry center.If when this ratio is excessive or too small, can't reach pattern block connected to chassis uniformization.Anti-irregular wear property when influencing tire running.Have the diagonal plane 102,302 of pattern block to be arranged at the outer side edges of mounting of tyre at vehicle again, cooperate shown in Figure 10ly, this designs when tire turning sideslip; Can reduce the positive acting power of foreign object on the one hand to pattern block; Lower the slippage impedance of pattern block, improve the sideslip performance of tire, reduced the stress concentration of pattern block root on the other hand; Improve pattern block root rigidity, reduced the endurance failure possibility of pattern block.This is provided with also can increase tire disliking the contact area of road when going, and improves tire at the traction property of disliking under the travel permit spare.Cause the sideslip of tire excessive for the diagonal plane of avoiding pattern block is excessive; Influence the handling of tire; Axially big more with the angle on pattern block top normal beam technique plane separately the closer to the diagonal plane of the interval pattern block 30 of shoulder pattern block 20, i.e. θ 1=θ 4 >=θ 2=θ 3, θ 1=θ 4 >=θ 5=θ 6.
Cooperate Fig. 5 to shown in Figure 9, the diagonal plane 102,302 of each pattern block and the angle on each normal beam technique plane, pattern block top are 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 is provided with less than 10 °, to the sideslip performance boost poor effect of turning.When if the θ angle is provided with greater than 35 °; The tractive property of whole pattern block is promoted excessive, the pattern block rigidity is strong excessively, the lifting of the sideslip performance that is unfavorable on the contrary turning; In addition diagonal plane 102,302 angles are provided with will influence the spoil disposal space between pattern block when excessive, with row's beach volleyball mud performance of 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 like Fig. 1 decorative pattern pattern ATV tire that to have manufactured experimently multiple trailing wheel specification be AT20X11-9 and to them and carry out the test performance evaluation.Turning handling is through using the vehicle that each testing tire is installed under following condition on cross-country course, to go, and the sense organ through chaufeur to be with conventional case that 5 minutes ten minutes method evaluation is turned respectively handling, the big more turning of numerical value is handling superior more.Concrete test condition is following.
Wheel rim: 9X9.0AT
The interior pressure: 45kPa
The ATV of vehicle: free air capacity 450cc
Test result such as following table 1:
| ? | Conventional case | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 |
| The angle angle θ 1 on diagonal plane and normal beam technique plane, pattern block top (°) | 10 | 15 | 25 | 35 | 25 | 35 | 35 |
| The angle angle θ 2 on diagonal plane and normal beam technique plane, pattern block top (°) | 10 | 15 | 15 | 15 | 25 | 35 | 45 |
| The angle angle θ 3 on diagonal plane and normal beam technique plane, pattern block top (°) | 10 | 15 | 15 | 15 | 25 | 35 | 45 |
| The angle angle θ 4 on diagonal plane and normal beam technique plane, pattern block top (°) | 10 | 15 | 25 | 35 | 25 | 35 | 35 |
| The angle angle θ 5 on diagonal plane and normal beam technique plane, pattern block top (°) | 10 | 15 | 15 | 15 | 25 | 35 | 50 |
| The angle angle θ 6 on diagonal plane and normal beam technique plane, pattern block top (°) | 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 |
After can confirming to adopt the tread design after this improvement through test result, tire can improve the sideslip property of tire when turning effectively, promotes the turning handling of tire.
Claims (14)
1. ATV tire tread pattern structure; It is characterized in that: be the pattern block that on tread of tyre, is distributed with separate convex; Each pattern block is distributed on the tyre surface with transversely arranged form; And pattern block interleaved of each row is arranged, and promptly each pattern block of second series is just aimed at the gap location between adjacent two pattern blocks of first row, and the inclined-plane is extended in the outside that is positioned at the pattern block of tyre surface both sides and tyre bead links together; Each pattern block lateral outer side edge is provided with diagonal plane.
2. ATV tire tread pattern structure as claimed in claim 1 is characterized in that: described each pattern block is divided into core piece at the tyre surface center, in abutting connection with the shoulder pattern block at tyre bead place and the interval pattern block between the two.
3. ATV tire tread pattern structure as claimed in claim 2; It is characterized in that: said each core piece is the block of a nearly rectangle; Its block vertical/horizontal ratio is 0.3 ~ 0.8; Its end face is provided with a plurality of notches, forms the diagonal plane of convergent downwards in the both lateral sides face outer rim of this core piece, and this diagonal plane extends to core piece bottom by core piece top.
4. ATV tire tread pattern structure as claimed in claim 3 is characterized in that: the angle on the diagonal plane of said each core piece and normal beam technique plane, core piece top is 10 °-35 °.
5. ATV tire tread pattern structure as claimed in claim 4 is characterized in that: the angle on the diagonal plane of said each core piece and normal beam technique plane, core piece top is 15 °-35 °.
6. ATV tire tread pattern structure as claimed in claim 2 is characterized in that: said each is axially big more with the angle on pattern block top normal beam technique plane separately the closer to the diagonal plane of the interval pattern block of shoulder pattern block.
7. ATV tire tread pattern structure as claimed in claim 2; It is characterized in that: said each shoulder pattern block lateral surface extends to tyre edge; Be that the shoulder pattern block outside forms oblique surface; And the initiating terminal of 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.
8. ATV tire tread pattern structure as claimed in claim 2; It is characterized in that: said each interval pattern block is the block of a nearly rectangle; Its block vertical/horizontal ratio is 0.3 ~ 0.8; Its end face is provided with a plurality of at interval notches of pattern block rigidity that are uniformly distributed with, and forms the diagonal plane of convergent downwards in a side outer rim of the contiguous tyre bead of this interval pattern block, and this diagonal plane is extended to bottom the pattern block of interval by pattern block top, interval.
9. ATV tire tread pattern structure as claimed in claim 2 is characterized in that: the diagonal plane of said each interval pattern block is 10 °-35 ° with the angle on normal beam technique plane, pattern block top, interval.
10. ATV tire tread pattern structure as claimed in claim 9 is characterized in that: the diagonal plane of said each interval pattern block is 15 °-35 ° with the angle on normal beam technique plane, pattern block top, interval.
11. ATV tire tread pattern structure as claimed in claim 2; It is characterized in that: said 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.
12. ATV tire tread pattern structure as claimed in claim 2 is characterized in that: said 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.
13. ATV tire tread pattern structure as claimed in claim 2 is characterized in that: said each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the vertical width of this cascaded surface and the ratio of the vertical width of pattern block are 0.1 ~ 0.4.
14. ATV tire tread pattern structure as claimed in claim 2; It is characterized in that: said each core piece, each interval pattern block block are respectively equipped with cascaded surface, and the lateral symmetry center of this cascaded surface and the distance between the pattern block circumferential edge are 0.3 ~ 0.7 with the ratio of pattern block transverse width.
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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 |
|---|---|---|---|
| CN201210196229.8A CN102717669B (en) | 2012-06-14 | 2012-06-14 | Tire tread pattern structure for all-terrain vehicle |
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| CN102717669A true CN102717669A (en) | 2012-10-10 |
| CN102717669B CN102717669B (en) | 2014-07-02 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10065103B2 (en) | 2016-06-24 | 2018-09-04 | Koofy Innovation Limited | Single wheel self-balancing vehicle with tire permitting carving motion |
Families Citing this family (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 |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| US20100236678A1 (en) * | 2007-09-13 | 2010-09-23 | Makoto Sueishi | Off-road 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 |
-
2012
- 2012-06-14 CN CN201210196229.8A patent/CN102717669B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009023601A (en) * | 2007-07-23 | 2009-02-05 | Sumitomo Rubber Ind Ltd | Pneumatic tire |
| US20100236678A1 (en) * | 2007-09-13 | 2010-09-23 | Makoto Sueishi | Off-road 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 (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10065103B2 (en) | 2016-06-24 | 2018-09-04 | Koofy Innovation Limited | Single wheel self-balancing vehicle with tire permitting carving motion |
| US10350479B2 (en) | 2016-06-24 | 2019-07-16 | Koofy Innovation Limited | Single wheel self-balancing vehicle with tire permitting carving motion |
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| CN102717669B (en) | 2014-07-02 |
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