CN105109280A - Pneumatic tire for all-terrain vehicle - Google Patents
Pneumatic tire for all-terrain vehicle Download PDFInfo
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- CN105109280A CN105109280A CN201510577340.5A CN201510577340A CN105109280A CN 105109280 A CN105109280 A CN 105109280A CN 201510577340 A CN201510577340 A CN 201510577340A CN 105109280 A CN105109280 A CN 105109280A
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Abstract
The invention discloses a pneumatic tire for an all-terrain vehicle. According to the pneumatic tire, the tread of the tire is composed of a plurality of pattern units which are distributed at intervals along a peripheral direction and arranged in a staggered manner along the central line of the tread; each pattern unit comprises a central pattern block, a middle pattern block, a shoulder pattern block and a transition pattern block which are arranged in a direction from the central line of the tread to the shoulder of the tire and approximately arranged in an inclined L-shape; the corresponding central pattern block, middle pattern block, shoulder pattern block and transition pattern block are sequentially connected through a plurality of connection blocks; and an extending end bent with a main body of each pattern block to form different direction included angles is arranged on a grounding end part of the pattern block. The pneumatic tire disclosed by the invention improves the comfort performance of running on cross-country road surfaces while guaranteeing the running traction performance thereof.
Description
Technical field
The present invention relates to a kind of tread pattern structure of tire, refer in particular to the tread pattern structure of the all-terrain vehicle tire being applicable to cross-country road, while adopting the design of the tread pattern structure of improvement can guarantee the tractive property of tire running, promote the comfort property of tire running.
Background technology
All-terrain vehicle market development domestic is at present swift and violent, and more and more customer makes earnest efforts this multi-functional new model, and it uses the variation of landform also to make all-terrain vehicle become a kind of novel farm work car.Drive all-terrain vehicle at cross-country road and just require that vehicle must have good tractive property.Meanwhile, as one work car, customer requires that vehicle must possess good traveling comfort, reduces the sense of fatigue of driving.
For meeting the operating needs of vehicle, the tread contour pattern of general all-terrain vehicle tire usually devises larger spoil disposal passage to realize enough tractive propertys, modal tread design is lambdoid pattern, as shown in Figure 1, tread design has along the spaced lambdoid pattern block group 10 ' of tire centerline plane symmetry, each pattern block component for skimming pattern block 11 ' and right-falling stroke pattern block 12 ', thus is often organizing the spoil disposal passage 13 ' of a series of axial array of gap-forming respectively between lambdoid pattern block group 10 '.When tire running, it can carry out spoil disposal along spoil disposal passage outside tyre surface, but easily because pattern block interval single on tire protector is comparatively large when it travels under cross-country road, easily uneven and cause the phenomenon of beating during ground connection, cause driving comfort downward trend.Therefore general all-terrain vehicle tire compares and is difficult to meet traction property when vehicle under cross-country road condition travels and traveling comfort simultaneously, reaches the comprehensive of performance.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide a kind of all-terrain vehicle tire tread pattern of cross-country road to optimize structure, the comfort property of tire running while guaranteeing the tractive property of tire running, can be promoted.
For achieving the above object, the present invention is by the following technical solutions:
A kind of all-terrain vehicle air-inflation tyre, tire protector is by circumferentially spaced apart and form along several decorative pattern unit that circumferential line is crisscross arranged, each decorative pattern unit to comprise from circumferential line toward shoulder portion direction arrangement and general alignment is the core block of inclination L-type, middle pattern block, shoulder lug and transition pattern block, described core block, middle pattern block, shoulder lug and transition pattern block are connected successively by multiple contiguous block, and the ground end of each pattern block is provided with the elongated end being bent into different directions angle with pattern block main body.
The elongated end of described core block is bent by the ground connection leading section be positioned on circumferential line and extends, down, the ratio of the development length of described elongated end and the inclination development length of core block main body is 0.15 ~ 0.4 to the angle be bent to form between its elongated end and core block main body.
The elongated end of described middle pattern block is bent by the ground connection leading section near circumferential line side and extends, and the angle be bent to form between described elongated end and middle pattern block main body down.
The ratio of the development length of described elongated end and the inclination development length of middle pattern block main body is 0.8 ~ 1.5.
The elongated end of described shoulder lug is bent by the ground connection rearward end away from circumferential line side and extends, the angle be bent to form between described elongated end and shoulder lug main body down and towards circumferential line side, the ratio of the development length of described elongated end and the inclination development length of shoulder lug main body is 0.15 ~ 0.5.
Described transition pattern block is bent to form the elongated end of inner side by the ground connection leading section near circumferential line side, and extend between described middle pattern block and shoulder lug, the angle be bent to form between the elongated end of described inner side and transition pattern block main body upward and towards the outside away from circumferential line, the ratio of the development length of the elongated end of described inner side and the inclination development length L4 of transition pattern block main body is 0.1 ~ 0.3.
The elongated end of described inner side is set to 70 ° ~ 110 ° near the angle between the inside edge line and transition pattern block main body of line of centers.
Angle between the elongated end of described core block and core block main body is more than or equal to the angle between the elongated end of described middle pattern block and middle pattern block main body, angle between the elongated end of described middle pattern block and middle pattern block main body is more than or equal to the angle between the elongated end of described shoulder lug and shoulder lug main body, and the angle between the elongated end of described shoulder lug and shoulder lug main body is more than or equal to the angle between elongated end inside described transition pattern block and transition pattern block main body.
Described transition pattern block carries out extending to form outside elongated end toward the elongated end direction of described shoulder lug away from the outer end of line of centers, and the ratio of the development length of the elongated end inside the gap length between the elongated end of described outside elongated end and described shoulder lug and described transition pattern block is 1.0 ~ 4.0.
The elongated end of described middle pattern block is bent to form by the ground connection rearward end of middle pattern block away from circumferential line side, and the angle direction be bent to form between described elongated end and middle pattern block main body is towards circumferential line side.
After adopting technique scheme, the present invention is compared with background technology, and tool has the following advantages:
The invention provides a kind of airtyred tread pattern structure design, this tire protector is made up of core block, middle pattern block, shoulder lug and transition pattern block, each pattern block roughly arranges in L-type and is equipped with the elongated end of the gradually little extension angle from tyre surface center toward shoulder portion direction at its ground end, and elongated end is different from the angle direction that pattern block main body is bent to form, the comfort property that while can realizing guaranteeing tire running tractive property, lifting tire travels under cross-country road is so set.
Accompanying drawing explanation
Fig. 1 is that the tread contour of prior art launches schematic diagram.
Fig. 2 is that the tread contour of tire of the present invention launches schematic diagram.
Fig. 3 is that tread contour the second embodiment of tire of the present invention launches schematic diagram.
Fig. 4 is that the third embodiment of tread contour of tire of the present invention launches schematic diagram.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
Embodiment
As shown in Figure 2, the invention provides the airtyred tread pattern structure design of a kind of all-terrain vehicle, this tire protector 1 is by circumferentially spaced apart and form along several decorative pattern unit that circumferential line is crisscross arranged, and each decorative pattern unit comprises the arrangement from circumferential line toward shoulder portion direction and general alignment is the core block 10 of inclination L-type, middle pattern block 20, shoulder lug 30 and transition pattern block 40.Be connected with multiple contiguous block 50 between core block 10, middle pattern block 20, shoulder lug 30, transition pattern block 40, for increasing the rigidity of each pattern block in each decorative pattern unit, avoid affecting its traction property because of the early damage of pattern block.The ground end of core block 10, middle pattern block 20, shoulder lug 30, transition pattern block 40 is provided with the elongated end being bent into different directions angle with pattern block main body.
As shown in Figure 2, the ground connection leading section that core block 10 is positioned on circumferential line is bent to form elongated end 11, down, the ratio of the inclination development length L1 of the length L11 that elongated end 11 extends and core block 10 main body is 0.15 ~ 0.4 to the angle be bent to form between elongated end 11 and core block 10 main body.The rigidity that can increase the first ground connection head of core block 10 is so set, avoid, in driving process, breakoff phenomenon occurs and affect its tractive property, also can form the ground contact area of homogenizing simultaneously, reduce the ground connection non-uniform phenomenon of tire running, promote the traveling comfort of tire running.If this development length L11 arranges excessive, the spoil disposal passage near core block 10 will be affected, cause earth effectively to discharge, affect the tractive property that tire travels at cross-country road on the contrary.If this development length L11 arranges too small, effectively cannot provide the help of ride comfort performance and avoid tractive property downward trend.
As shown in Figure 2, the ground connection leading section of middle pattern block 20 near circumferential line side is bent to form elongated end 21, and the angle be bent to form between elongated end 21 and middle pattern block 20 main body down.The ratio of the inclination development length L2 of the length L21 that elongated end 21 extends and middle pattern block 20 main body is 0.8 ~ 1.5.The ground contact area that can form homogenizing between adjacent two decorative pattern unit is so set, reduces the jumping phenomena occurred in tire running, promote the traveling comfort of tire running.If this development length L21 arranges excessive, the spoil disposal passage between adjacent two decorative pattern unit will be affected, cause earth effectively to discharge, affect the tractive property that tire travels at cross-country road on the contrary.If this development length L21 arranges too small, the help to ride comfort performance effectively cannot be provided.In addition, the elongated end 21 of middle pattern block 20 also can be set to form as shown in Figure 3, middle pattern block 20 is bent to form elongated end 21 away from the ground connection rearward end of circumferential line side, the angle be bent to form between elongated end 21 and middle pattern block 20 main body is towards circumferential line side, and its development length L21 extends to elongated end 11 place of the core block 10 of next decorative pattern unit always; The elongated end 21 of middle pattern block 20 also can be set to embodiment as shown in Figure 4, elongated end 21 is bent to form by the ground connection rearward end of middle pattern block 20 away from circumferential line side, the angle be bent to form between elongated end 21 and middle pattern block 20 main body is towards circumferential line side, and the length of elongated end 21 is less than the inclination development length of middle pattern block 20 main body.
As shown in Figure 2, shoulder lug 30 is bent to form elongated end 31 away from the ground connection rearward end of circumferential line side, and the angle be bent to form between elongated end 31 and shoulder lug 30 main body is down and towards circumferential line side.The ratio of the inclination development length L3 of the length L31 that elongated end 31 extends and shoulder lug 30 main body is 0.15 ~ 0.5.The ground contact area that can form homogenizing between each decorative pattern unit is so set, reduces the ground connection non-uniform phenomenon of tire running, promote the traveling comfort of tire running.If this development length L31 arranges excessive, the spoil disposal passage between each decorative pattern unit will be affected, cause earth effectively to discharge, affect the tractive property that tire travels at cross-country road on the contrary.If this development length L31 arranges too small, the help to ride comfort performance effectively cannot be provided.
As shown in Figure 2, the ground connection leading section of transition pattern block 40 near circumferential line side is bent to form the elongated end 41 of inner side, and the angle be bent to form between the elongated end 41 of inner side and transition pattern block 40 main body is upward and towards the outside away from circumferential line.The development length L41 of elongated end 41 of inner side and the ratio of the inclination development length L4 of transition pattern block 40 main body are 0.1 ~ 0.3.The ground contact area that can form homogenizing between transition pattern block 40 and middle pattern block 20, shoulder lug 30 is so set, reduces the ground connection non-uniform phenomenon of tire running, promote the traveling comfort of tire running.If this development length L41 arranges excessive, the spoil disposal passage between transition pattern block 40 and middle pattern block 20, shoulder lug 30 will be affected, cause earth effectively to discharge, affect the tractive property that tire travels at cross-country road on the contrary.If this development length L41 arranges too small, the help to ride comfort performance effectively cannot be provided.For realizing best comfort property, the elongated end 41 inside transition pattern block 40 is roughly between middle pattern block 20 and shoulder lug 30.Setting like this can effectively be avoided, in traveling, jumping phenomena occurs, and greatly can promote the traveling comfort of tire running.
In addition, elongated end 41 inside transition pattern block 40 is set to 70 ° ~ 110 ° near the angle β between the inside edge line and transition pattern block 40 main body of line of centers, the gradually large ground contact area of formation is so set in tire running process, improve the comfort property travelled, the resistance that near the elongated end that simultaneously also can reduce shoulder lug, earth is discharged, help earth effectively to discharge, guarantee the tractive property travelled at cross-country road.
For guaranteeing that tire earth in the process of moving can effectively be discharged, angle α 1 between the elongated end 11 of core block 10 and core block 10 main body, angle α 2 between the elongated end 21 of middle pattern block 20 and middle pattern block 20 main body, angle α 3 between the elongated end 31 of shoulder lug 30 and shoulder lug 30 main body, elongated end 41 inside transition pattern block 40 and the angle α 4 between transition pattern block 40 main body are set to α 1 >=α 2 >=α 3 >=α 4, setting like this reduces spoil disposal resistance by tyre surface centre plane gradually outside axially, be conducive to the quick discharge of earth, guarantee the tractive property of tire running.
As shown in Figure 3 and Figure 4, transition pattern block 40 carries out extending to form outside elongated end 42 toward elongated end 31 direction of shoulder lug 30 away from the outer end of line of centers, for guaranteeing that shoulder portion has enough spoil disposal passages, the ratio of the development length L41 of the gap length L5 between outside elongated end 42 and shoulder lug 30 elongated end 31 and the elongated end 41 inside transition pattern block 40 is 1.0 ~ 4.0.In addition, as shown in Figure 1, affect its traveling comfort travelled for avoiding the rigidity of transition pattern block 40 to cross strong, the middle part of transition pattern block 40 can be provided with spacing convave trough 43.
Adopting and having manufactured experimently multiple front tyre specification as Fig. 2 tire tread structural style is AT26X8-14, and rear tire specification is the all-terrain vehicle tire of AT26X10-14 and carries out performance testing and evaluation to them.By each testing tire front and rear wheel necessary rim 7.0ATX14 respectively, be installed on 1000cc all-terrain vehicle after inflation pressure 40kPa and travel on cross-country course, and be 100 points with conventional case respectively by the sense organ of chaufeur and evaluate traction property, traveling comfort and overall performances, the larger performance of numerical value is more superior.
Test result is as following table 1:
After can confirming to adopt this tread design by test result, effectively can improve the comfort property of tire in cross-country road driving process, enough tractive propertys can be guaranteed again simultaneously.
The above; be only the present invention's preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with the protection domain of claim.
Claims (10)
1. an all-terrain vehicle air-inflation tyre, it is characterized in that: tire protector is by circumferentially spaced apart and form along several decorative pattern unit that circumferential line is crisscross arranged, each decorative pattern unit to comprise from circumferential line toward shoulder portion direction arrangement and general alignment is the core block of inclination L-type, middle pattern block, shoulder lug and transition pattern block, described core block, middle pattern block, shoulder lug and transition pattern block are connected successively by multiple contiguous block, and the ground end of each pattern block is provided with the elongated end being bent into different directions angle with pattern block main body.
2. a kind of all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: the elongated end of described core block is bent by the ground connection leading section be positioned on circumferential line and extends, down, the ratio of the development length of described elongated end and the inclination development length of core block main body is 0.15 ~ 0.4 to the angle be bent to form between its elongated end and core block main body.
3. a kind of all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: the elongated end of described middle pattern block is bent by the ground connection leading section near circumferential line side and extends, and the angle be bent to form between described elongated end and middle pattern block main body down.
4. a kind of all-terrain vehicle air-inflation tyre according to claim 3, is characterized in that: the ratio of the development length of described elongated end and the inclination development length of middle pattern block main body is 0.8 ~ 1.5.
5. a kind of all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: the elongated end of described shoulder lug is bent by the ground connection rearward end away from circumferential line side and extends, the angle be bent to form between described elongated end and shoulder lug main body down and towards circumferential line side, the ratio of the development length of described elongated end and the inclination development length of shoulder lug main body is 0.15 ~ 0.5.
6. a kind of all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: described transition pattern block is bent to form the elongated end of inner side by the ground connection leading section near circumferential line side, and extend between described middle pattern block and shoulder lug, the angle be bent to form between the elongated end of described inner side and transition pattern block main body upward and towards the outside away from circumferential line, the ratio of the development length of the elongated end of described inner side and the inclination development length L4 of transition pattern block main body is 0.1 ~ 0.3.
7. a kind of all-terrain vehicle air-inflation tyre according to claim 6, is characterized in that: the elongated end of described inner side is set to 70 ° ~ 110 ° near the angle between the inside edge line and transition pattern block main body of line of centers.
8. a kind of all-terrain vehicle air-inflation tyre according to any one of claim 2 to 7, it is characterized in that: the angle between the elongated end of described core block and core block main body is more than or equal to the angle between the elongated end of described middle pattern block and middle pattern block main body, angle between the elongated end of described middle pattern block and middle pattern block main body is more than or equal to the angle between the elongated end of described shoulder lug and shoulder lug main body, angle between the elongated end of described shoulder lug and shoulder lug main body is more than or equal to the angle between elongated end inside described transition pattern block and transition pattern block main body.
9. a kind of all-terrain vehicle air-inflation tyre according to claim 6, it is characterized in that: described transition pattern block carries out extending to form outside elongated end toward the elongated end direction of described shoulder lug away from the outer end of line of centers, the ratio of the development length of the elongated end inside the gap length between the elongated end of described outside elongated end and described shoulder lug and described transition pattern block is 1.0 ~ 4.0.
10. a kind of all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: the elongated end of described middle pattern block is bent to form by the ground connection rearward end of middle pattern block away from circumferential line side, and the angle direction be bent to form between described elongated end and middle pattern block main body is towards circumferential line side.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510577340.5A CN105109280B (en) | 2015-09-11 | 2015-09-11 | A kind of all-terrain vehicle pneumatic tire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510577340.5A CN105109280B (en) | 2015-09-11 | 2015-09-11 | A kind of all-terrain vehicle pneumatic tire |
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| Publication Number | Publication Date |
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| CN105109280A true CN105109280A (en) | 2015-12-02 |
| CN105109280B CN105109280B (en) | 2017-07-07 |
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| CN201510577340.5A Active CN105109280B (en) | 2015-09-11 | 2015-09-11 | A kind of all-terrain vehicle pneumatic tire |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649089A (en) * | 2018-12-29 | 2019-04-19 | 厦门正新橡胶工业有限公司 | A kind of all-terrain vehicle air tread pattern structure |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09164813A (en) * | 1995-12-14 | 1997-06-24 | Bridgestone Corp | Pneumatic tire with directionally inclining groove |
| CN202685791U (en) * | 2012-06-08 | 2013-01-23 | 厦门正新橡胶工业有限公司 | Agricultural tire |
| CN102935789A (en) * | 2012-11-15 | 2013-02-20 | 厦门正新橡胶工业有限公司 | Cross-country tire tread pattern structure |
| CN103303071A (en) * | 2013-06-19 | 2013-09-18 | 厦门正新橡胶工业有限公司 | Pneumatic tire tread structure for uneven ground |
| CN204077252U (en) * | 2014-07-09 | 2015-01-07 | 厦门正新橡胶工业有限公司 | All-terrain vehicle air-inflation tyre |
| CN204998259U (en) * | 2015-09-11 | 2016-01-27 | 厦门正新橡胶工业有限公司 | Full all terrain vehicle pneumatic tire |
-
2015
- 2015-09-11 CN CN201510577340.5A patent/CN105109280B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09164813A (en) * | 1995-12-14 | 1997-06-24 | Bridgestone Corp | Pneumatic tire with directionally inclining groove |
| CN202685791U (en) * | 2012-06-08 | 2013-01-23 | 厦门正新橡胶工业有限公司 | Agricultural tire |
| CN102935789A (en) * | 2012-11-15 | 2013-02-20 | 厦门正新橡胶工业有限公司 | Cross-country tire tread pattern structure |
| CN103303071A (en) * | 2013-06-19 | 2013-09-18 | 厦门正新橡胶工业有限公司 | Pneumatic tire tread structure for uneven ground |
| CN204077252U (en) * | 2014-07-09 | 2015-01-07 | 厦门正新橡胶工业有限公司 | All-terrain vehicle air-inflation tyre |
| CN204998259U (en) * | 2015-09-11 | 2016-01-27 | 厦门正新橡胶工业有限公司 | Full all terrain vehicle pneumatic tire |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109649089A (en) * | 2018-12-29 | 2019-04-19 | 厦门正新橡胶工业有限公司 | A kind of all-terrain vehicle air tread pattern structure |
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| CN105109280B (en) | 2017-07-07 |
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