CN203818939U - All-terrain vehicle pneumatic tyre tread patterns for hard pavements - Google Patents
All-terrain vehicle pneumatic tyre tread patterns for hard pavements Download PDFInfo
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- CN203818939U CN203818939U CN201420207592.XU CN201420207592U CN203818939U CN 203818939 U CN203818939 U CN 203818939U CN 201420207592 U CN201420207592 U CN 201420207592U CN 203818939 U CN203818939 U CN 203818939U
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- 230000001012 protector Effects 0.000 claims description 3
- 238000003491 array Methods 0.000 abstract 3
- 230000002093 peripheral effect Effects 0.000 abstract 3
- 238000000034 method Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000006378 damage Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000011156 evaluation Methods 0.000 description 2
- 230000001788 irregular Effects 0.000 description 2
- 240000004859 Gamochaeta purpurea Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
- 210000000697 sensory organ Anatomy 0.000 description 1
- 238000011179 visual inspection Methods 0.000 description 1
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Abstract
The utility model discloses all-terrain vehicle pneumatic tyre tread patterns for hard pavements, wherein a tyre tread comprises a group of central pattern block arrays and a plurality of shoulder pattern block groups which are distributed at left side and right side the of the group of central pattern block arrays along the peripheral direction of a tyre; the central pattern block arrays are formed by the peripheral spaced arrangement of central pattern blocks positioned at the central plane of the tread, and the central pattern blocks are arranged in the shapes of Z inclining clockwise; the shoulder pattern block groups at the left and right sides are symmetrically distributed respectively along periphery and axial direction of the tyre; each shoulder pattern block group is separated into a first shoulder pattern block, a second shoulder pattern block and a third shoulder pattern block by a 'Y'-shaped auxiliary groove; the central pattern blocks which are arranged in the 'Z' shape and are positioned at the central plane of the tread can form balanced peripheral traction property; each shoulder pattern block group arranged at the left and right sides is separated into three shoulder pattern blocks with optimized widths by the 'Y'-shaped auxiliary groove, so that sufficient durability is ensured, and the traction performance of the tyre is improved effectively.
Description
Technical field
The utility model relates to a kind of tire tread pattern, refers in particular under hard pavement and uses also and can guarantee enough durabilitys, can improve the tire all-terrain vehicle air tread decorative pattern of tractive property in the process of moving simultaneously.
Background technology
Along with the development in an all-round way of automotive market, all-terrain vehicle more and more receives customer's concern, particularly practical all-terrain vehicle as a kind of emerging class of vehicle.The first-selected vehicle of more and more customers that have deep love for motion using it as a kind of work outdoor activity.Practical all-terrain vehicle becomes a kind of conventional work leisure car, and its conventional landform is the cross-country roads such as farm, forest land, sand ground.General all-terrain vehicle tire is the particularity of considering its use occasion, be everlasting and designed larger spoil disposal passage to improve the ability on tread block incision ground on its tread contour pattern, realize enough tractive propertys, but when it travels under hard cross-country road, in vehicular drive and braking procedure, easily because single pattern block rigidity is not enough, produce the phenomenon that pattern block is wriggled, also easily produce inhomogeneous wearing and tearing simultaneously, cause the too early destruction of tread block, thereby affect the endurance quality of tire, cause tire tractive property to have downward trend.Therefore general all-terrain vehicle tire is more difficult while meeting Vehicle Driving Cycle under hard cross-country road traction property and durability, reach performance comprehensively.
Utility model content
The purpose of this utility model is to provide a kind of all-terrain vehicle air tread decorative pattern travelling for hard pavement, can realize and when guaranteeing enough durabilitys, improve the tractive property of tire in the driving process of hard pavement.
For achieving the above object, solution of the present utility model is:
An all-terrain vehicle air tread decorative pattern for hard pavement, wherein: this tire protector comprises group switching centre pattern block row and several shoulder pattern block groups along tire circumferential array of the left and right sides; Core piece is listed as by the core piece that is positioned at tyre surface centre plane and is circumferentially spaced and forms, and core piece is " Z " word shape setting that cw tilts; Circumferential along the tire separately from each other and axial symmetry arrangement of the shoulder pattern block group of the left and right sides forms, and each shoulder pattern block group is divided into the first shoulder pattern block, the second shoulder pattern block and the 3rd shoulder pattern block by " Y " type counter drain.
Centered by the circumferential interval width of described core piece 15% ~ 35% of pattern block length; The end angle of core piece is 45 ° ~ 65 °.
Described core piece front and rear part is formed with otch, the width of otch be set to core piece width 15% ~ 30%.
Centered by the width of described core piece 35% ~ 60% of pattern block length.
Described shoulder pattern block group is positioned at tyre surface near tire shoulder place, between adjacent shoulder pattern block group, by shoulder tap drain, be split to form, each shoulder tap drain is divided near the leading portion at tyre surface center with away from the back segment at tyre surface center by " Y " type counter drain, the axial angle of leading portion is larger than the axial angle of back segment, and the width of " Y " type counter drain is less than the width of shoulder tap drain.
The width ratio of the width of described the second shoulder pattern block and the first shoulder pattern block is that the width of the 0.8 ~ 1.4, three shoulder pattern block and the width ratio of the first shoulder pattern block are 0.8 ~ 1.4.
The axial angle of described " Y " type counter drain is 60 ° ~ 100 °.
Described the first shoulder pattern block axial inner ends is provided with recess, and the width of recess is 0.3 ~ 0.5 of the first shoulder pattern block width.
Described the first shoulder pattern block end arranges an oblique angle face.
Between the axial outer end of described the second shoulder pattern block and tire centre plane extend axially distance and the axial outer end of the 3rd shoulder pattern block and the distance ratio that extends axially between tire centre plane are 1.1 ~ 1.3.
Adopt after such scheme, all-terrain vehicle air tread core piece of the present utility model is listed as by the discontinuous circumferential array of core piece that is positioned at band otch " Z " the word shape setting of tyre surface centre plane and forms, and so arranges and forms balanced circumferential traction property; And the shoulder pattern block of three optimized widths that the shoulder pattern block group of the left and right sides is divided into by " Y " type counter drain forms, can realize the tractive property that effectively promotes tire when guaranteeing enough durabilitys.
Accompanying drawing explanation
Fig. 1 is that the tread contour of the utility model tire launches schematic diagram;
Fig. 2 is the schematic diagram of the tyre surface core piece row of the utility model tire;
Fig. 3 is the schematic diagram of the tyre surface shoulder pattern block group of the utility model tire.
The specific embodiment
Below in conjunction with accompanying drawing, explain embodiment of the present utility model:
As shown in Figure 1 to Figure 3, the utility model has disclosed all-terrain vehicle air tread decorative pattern for a kind of hard pavement, and this tire protector 1 comprises group switching centre pattern block row 10 and several shoulder pattern block groups 20 along tire circumferential array of the left and right sides; Core piece row 10 are circumferentially spaced and form by the core piece 11 that is positioned at tyre surface centre plane, and core piece 11 is " Z " word shape setting that cw tilts; Circumferential along the tire separately from each other and axial symmetry arrangement of the shoulder pattern block group 20 of the left and right sides forms, and each shoulder pattern block group 20 is divided into the first shoulder pattern block 21, the second shoulder pattern block 22 and the 3rd shoulder pattern block 23 by " Y " type counter drain 40.
As shown in Figure 2, centered by the circumferential interval width A of described core piece 11 15% ~ 35% of pattern block 11 length L 1, core piece 11 can, for tire provides enough spoil disposal spaces, be guaranteed its tractive property along discontinuous being circumferentially spaced of tyre surface centre plane.The core piece 11 of " Z " word shape during with its center point P Rotate 180 ° and former core piece overlapped, this setting can be core piece 11 balanced ground connection edge is provided, to realize the equilibrium of circumferential tractive property, core piece 11 incision ground are also convenient at more ground connection edge simultaneously, and stronger traction property is provided.For making traction property reach best, the end angle α of core piece 11 can be set to 45 ° ~ 65 °, the setting of this end angle can reduce the resistance on core piece 11 incision ground, promote traction property, but the end angle of this core piece 11 can not arrange too small, too small end will reduce the intensity of core piece 11 ends, in tire running process, easily there is crawl, affect its tractive property, also easily cause the early damage of pattern block simultaneously, affect its durability, otherwise this end angle can not arrange excessive, when excessive, will be unfavorable for core piece 11 incision ground and promote traction property.In addition, core piece 11 front and rear parts are formed with the ability that otch 111 can further increase core piece 11 incision ground, end, improve tractive property.The width D 11 of otch 111 can be set to core piece 11 width D 1 15% ~ 30%, the width of this otch 111 can not arrange excessive, excessive otch 111 width will reduce the intensity of core piece 11, affect its durability, and too small otch 111 width cannot reach the effect that promotes traction property.
For guaranteeing the stability of tire running, the width D 1 of core piece 11 can be set to 35% ~ 60% of core block length L1, the width of this core piece 11 can not arrange too small, too small width and will reduce the axial stiffness of core piece 11, reduces traction property and the turning stability of tire.
As shown in Figure 3, shoulder pattern block group 20 is positioned at tyre surface near tire shoulder place, and is to be split to form by shoulder tap drain 30 between adjacent shoulder pattern block group 20.For guaranteeing that tire has higher durability while travelling in hard pavement, each shoulder tap drain 30 is by Y " type counter drain 40 is divided near the leading portion 31 at tyre surface center with away from the back segment 32 at tyre surface center; and the axial angle beta 1 of leading portion 31 can design larger than the axial angle beta of back segment 32 2; less back segment 32 axial angles can improve the intensity of shoulder pattern block, thereby improves the endurance quality of decorative pattern.
In addition, the width D 40 of " Y " type counter drain 40 is less than the width D 30 of shoulder tap drain 30, and this design will contribute to form the shoulder spoil disposal space of mutual perforation, promotes tractive property.Simultaneously for guaranteeing the endurance quality of tire running, the width D 22 of the second shoulder pattern block 22 being divided into by " Y " type counter drain 40 and width D 21 ratios of the first shoulder pattern block 21 are 0.8 ~ 1.4, and the width D 23 of the 3rd shoulder pattern block 23 and width D 21 ratios of the first shoulder pattern block 21 that by " Y " type counter drain 40, are divided into are 0.8 ~ 1.4 simultaneously.These two width ratio are provided with the rigidity equilibrium that is beneficial to the first shoulder pattern block 21, the second shoulder pattern block 22 and the 3rd shoulder pattern block 23, can avoid the first shoulder pattern block 21, the second shoulder pattern block 22 and the local phenomenon that produces rigidity inequality of the 3rd shoulder pattern block 23, the phenomenon that pattern block produces irregular wear can be effectively reduced, the durability of tire can be guaranteed.In addition, the axial angle γ of " Y " type counter drain 40 can be set to 60 ° ~ 100 °, this angle setting can be convenient to the second shoulder pattern block 22 incision ground, promote tractive property, also can avoid producing the second sharp shoulder pattern block 22 ends simultaneously, thereby avoid the too early destruction of the second shoulder pattern block 22 and affect its durability.
For further promoting the tractive property of the first shoulder pattern block 21, in the axial inner ends of the first shoulder pattern block 21, be provided with recess 211, the width D 211 of recess 211 is set to 0.3 ~ 0.5 of the first shoulder pattern block 21 width D 21.The width D 211 of this recess 211 arranges the excessive intensity that will affect the first shoulder pattern block 21, the first shoulder pattern block 21 is easily destroyed, the width D 211 of recess 211 can not arrange too small simultaneously, too small recess 211 width cannot reach increases by the first shoulder pattern block 21 ground connection edges, thereby cannot reach the effect that promotes tractive property.For avoiding the first shoulder pattern block 21 ends to affect its durability because rigidity is too small, in the first shoulder pattern block 21 ends, be provided with an oblique angle face 212 simultaneously.For guaranteeing the rigidity equilibrium of the first shoulder pattern block 21, reduce the phenomenon of pattern block generation irregular wear, guarantee the durability of tire, can on the first shoulder pattern block 21, be provided with a plurality of fine grooves 213.In like manner on core piece 11, the second shoulder pattern block 22, the 3rd shoulder pattern block 23, also can be respectively arranged with a plurality of fine grooves 112,221 and 231.
As shown in Fig. 3, for increasing the tractive property of tire, distance L 3 ratios that extend axially between the axial outer end that extends axially distance L 2 and the 3rd shoulder pattern block 23 between the axial outer end of the second shoulder pattern block 22 and tire centre plane and tire centre plane are 1.1 ~ 1.3, this arranges will increase the appearance mud space of tire shoulder, in tire running process, produce a plurality of actv. side direction contact surfaces, promote the tractive property of tire simultaneously.
Adopt as Fig. 1 tire tread structural style has been manufactured experimently the all-terrain vehicle tire that multiple tire size is 29X9.00R15 and they are carried out to performance testing evaluation.Each testing tire is installed on to all-terrain vehicle with necessary rim 7.0 AT X15, inflation pressure 150kPa and travels on hard forest-road cross-country course, by the sense organ of chaufeur, take respectively the very method that conventional case is 5 minutes and evaluate traction property and overall performance, the larger performance of numerical value is more superior.Traction property and the overall performance of sensory evaluation embodiment by chaufeur are all better than past case.Wear state and the damaged situation of the visual inspection pattern block by chaufeur after test are assessed, and pattern block wear state and the damaged situation of embodiment are all better than past case.
By test result, can confirm to adopt after this tread design, tire can be realized the tractive property that can effectively promote tire when guaranteeing enough durabilitys.
In sum, the utility model is by the optimal design to all-terrain vehicle air tread decorative pattern, its tyre surface core piece row 10 are circumferentially spaced and form by the core piece 11 that is positioned at band otch " Z " the word shape setting of tyre surface centre plane, so arrange and form balanced circumferential traction property; The shoulder pattern block of three optimized widths that the shoulder pattern block group of the left and right sides is divided into by " Y " type counter drain 40 forms, and arranges to realize effectively to promote the tractive property of tire when guaranteeing enough durabilitys with the first shoulder pattern block 21 of recess and in conjunction with disalignment to the second shoulder pattern block 22 of extended distance and the 3rd shoulder pattern block 23.
The above, be only the utility model preferred embodiment, with this, do not limit the scope that the utility model is implemented, and the equivalence of doing according to the technical solution of the utility model and description changes and modifies, and all should belong to the scope that the utility model is contained.
Claims (10)
1. an all-terrain vehicle air tread decorative pattern for hard pavement, is characterized in that: this tire protector comprises group switching centre pattern block row and several shoulder pattern block groups along tire circumferential array of the left and right sides; Core piece is listed as by the core piece that is positioned at tyre surface centre plane and is circumferentially spaced and forms, and core piece is " Z " word shape setting that cw tilts; Circumferential along the tire separately from each other and axial symmetry arrangement of the shoulder pattern block group of the left and right sides forms, and each shoulder pattern block group is divided into the first shoulder pattern block, the second shoulder pattern block and the 3rd shoulder pattern block by " Y " type counter drain.
2. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: centered by the circumferential interval width of described core piece 15% ~ 35% of pattern block length; The end angle of core piece is 45 ° ~ 65 °.
3. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: described core piece front and rear part is formed with otch, the width of otch be set to core piece width 15% ~ 30%.
4. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: centered by the width of described core piece 35% ~ 60% of pattern block length.
5. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, it is characterized in that: described shoulder pattern block group is positioned at tyre surface near tire shoulder place, between adjacent shoulder pattern block group, by shoulder tap drain, be split to form, each shoulder tap drain is divided near the leading portion at tyre surface center with away from the back segment at tyre surface center by " Y " type counter drain, the axial angle of leading portion is larger than the axial angle of back segment, and the width of " Y " type counter drain is less than the width of shoulder tap drain.
6. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, it is characterized in that: the width ratio of the width of described the second shoulder pattern block and the first shoulder pattern block is that the width of the 0.8 ~ 1.4, three shoulder pattern block and the width ratio of the first shoulder pattern block are 0.8 ~ 1.4.
7. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: the axial angle of described " Y " type counter drain is 60 ° ~ 100 °.
8. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: described the first shoulder pattern block axial inner ends is provided with recess, and the width of recess is 0.3 ~ 0.5 of the first shoulder pattern block width.
9. all-terrain vehicle air tread decorative pattern for the hard pavement as described in claim 1 or 8, is characterized in that: described the first shoulder pattern block end arranges an oblique angle face.
10. all-terrain vehicle air tread decorative pattern for hard pavement as claimed in claim 1, is characterized in that: between the axial outer end of described the second shoulder pattern block and tire centre plane extend axially apart from and the axial outer end of the 3rd shoulder pattern block and the distance ratio that extends axially between tire centre plane be 1.1 ~ 1.3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207592.XU CN203818939U (en) | 2014-04-25 | 2014-04-25 | All-terrain vehicle pneumatic tyre tread patterns for hard pavements |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420207592.XU CN203818939U (en) | 2014-04-25 | 2014-04-25 | All-terrain vehicle pneumatic tyre tread patterns for hard pavements |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203818939U true CN203818939U (en) | 2014-09-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420207592.XU Expired - Fee Related CN203818939U (en) | 2014-04-25 | 2014-04-25 | All-terrain vehicle pneumatic tyre tread patterns for hard pavements |
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| Country | Link |
|---|---|
| CN (1) | CN203818939U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107813663A (en) * | 2017-11-23 | 2018-03-20 | 厦门正新橡胶工业有限公司 | All-terrain vehicle air tread pattern structure |
| EP3782825A1 (en) | 2016-12-29 | 2021-02-24 | Pirelli Tyre S.P.A. | Car tyre |
| CN113829805A (en) * | 2021-09-13 | 2021-12-24 | 厦门正新橡胶工业有限公司 | Pneumatic tire for all-terrain vehicle |
-
2014
- 2014-04-25 CN CN201420207592.XU patent/CN203818939U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3782825A1 (en) | 2016-12-29 | 2021-02-24 | Pirelli Tyre S.P.A. | Car tyre |
| CN107813663A (en) * | 2017-11-23 | 2018-03-20 | 厦门正新橡胶工业有限公司 | All-terrain vehicle air tread pattern structure |
| CN113829805A (en) * | 2021-09-13 | 2021-12-24 | 厦门正新橡胶工业有限公司 | Pneumatic tire for all-terrain vehicle |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140910 |