CN104960391A - Pneumatic tire of all-terrain vehicle - Google Patents
Pneumatic tire of all-terrain vehicle Download PDFInfo
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- CN104960391A CN104960391A CN201510410233.3A CN201510410233A CN104960391A CN 104960391 A CN104960391 A CN 104960391A CN 201510410233 A CN201510410233 A CN 201510410233A CN 104960391 A CN104960391 A CN 104960391A
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Abstract
The invention discloses a pneumatic tire of an all-terrain vehicle. The tire tread of the tire is constituted by a plurality of pattern units uniformly distributed in the circumferential direction, wherein each of the pattern units comprises central pattern block groups and shoulder pattern block groups, the central pattern block groups are positioned on the center line of the tire tread, and the shoulder pattern block groups are positioned on two sides of the tire tread; each of the central pattern block groups comprises a group of first main pattern blocks and a group of second main pattern blocks, and the first main pattern blocks and the second main pattern blocks are arranged in mutual rotation along a center; each of the shoulder pattern block groups comprises two groups of tire shoulders respectively positioned on two sides of the center line of the tire tread, each group of the tire shoulders comprises a first shoulder pattern block and a second shoulder pattern block, the first shoulder pattern block and the second shoulder pattern block are arrayed in the circumferential direction, the first shoulder pattern block and the second shoulder pattern block, which are positioned on one side of the center line of the tire tread, are formed by rotating the other group of the first shoulder pattern blocks and the second shoulder pattern blocks around a center point, and X-shaped grooves diverging and extending in the same direction in a rotating manner long the center are formed between the adjacent pattern blocks of the central pattern block groups. According to the pneumatic tire disclosed by the invention, the traveling durability of the tire can be ensured, and besides the tractive performance of the tire during traveling on an off-road terrain can be improved.
Description
Technical field
The present invention relates to a kind of pattern structure on tire tread, refer in particular to the Tire tread pattern structure for all-terrain vehicle being used in cross-country road, while adopting the design of the tread pattern structure of improvement to realize guaranteeing the durability of tire running, promote the tractive property that tire travels under cross-country road.
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, require that vehicle must possess good durability, reduce cost consumption.For meeting the operating needs of vehicle at cross-country road, be everlasting on its tire tread pattern pattern and devise larger spoil disposal passage to realize enough tractive propertys, but easily because pattern block rigidity single on tire protector is not enough when it travels under cross-country road, the phenomenon of pattern block wriggling is easily produced at vehicular drive and braking procedure, affect the durability of tread contour, thus cause tire tractive property downward trend.Therefore general all-terrain vehicle tire is more difficult meets traction property when vehicle under cross-country road condition travels and durability, 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 guarantee the durability of tire running while promote the airtyred structure design of all-terrain vehicle of tractive property that tire travels under cross-country road.
For achieving the above object, the present invention is by the following technical solutions:
All-terrain vehicle air-inflation tyre, the tyre surface of tire is made up of several decorative pattern unit be uniformly distributed circumferentially, each decorative pattern unit comprises the core block group be positioned on circumferential line and the shoulder lug group being positioned at tyre surface both sides, described core block group comprises two groups of centrally mutually the first main pattern block of rotary setting and second main pattern blocks, described shoulder lug group comprises the tire shoulder that two groups lay respectively at circumferential line both sides, and often organize the first shoulder lug and the second shoulder lug that comprise respectively and circumferentially arranging, described first shoulder lug and the second shoulder lug that are positioned at wherein side form around center-point rotary setting for another group, formed between each adjacent lugs of core block group and disperse the X-type groove of extension with center in spiral in the same way.
Described first main pattern block, described second main pattern block are all formed with inner recess near the inner side of line of centers, its outside away from line of centers is all formed with outer recess, the hollow depth of described inner recess be respectively described first main pattern block width, described second main pattern block width 10% ~ 30%, the hollow depth of described outer recess be respectively described first main pattern block width, described second main pattern block width 10% ~ 45%.
Described shoulder lug group comprises two independently the first shoulder lug and the second shoulder lug, wherein said first shoulder lug comprises the V-shaped sub-pattern block of the first shoulder and in the reverse V-shaped sub-pattern block of the second shoulder, the sub-pattern block of described second shoulder extends around the portion outboard edge of the sub-pattern block of described first shoulder and partly formed overlapped between.
The sub-pattern block of described first shoulder is the sub-pattern block of described second shoulder at 65% ~ 90% of the widest width of lap at the width that lap is the widest.
The height of the sub-pattern block of described second shoulder is 50% ~ 80% of the height of the sub-pattern block of described first shoulder.
Described second shoulder pattern block top forms reverse V-shaped outward flange and forms along described first shoulder pattern block top that the inward flange direction of V-type is parallel to be extended toward outside and two edges overlap, and the edge of described first shoulder lug is formed after overlapped has stair-stepping multistage axial ground connection edge.
Described multistage axial ground connection edge is axial ground connection edges, three rank, and the ratio of the first rank jump and second-order jump is 0.8 ~ 1.2, and the ratio of second-order jump and the 3rd rank jump is 0.8 ~ 1.4.
Described second shoulder lug is made up of pattern block, the outer pattern block of the second shoulder in the second shoulder, in described second shoulder, between pattern block, the outer pattern block of the second shoulder, adjacent two edges form Z-type groove, and in described second shoulder, the ratio of the axial length of pattern block and the axial length of the outer pattern block of described second shoulder is 0.8 ~ 1.2.
The kink degree of depth that the described Z-type groove edge that in outer pattern block, described second shoulder, pattern block is adjacent with described second shoulder is respectively formed is 35% ~ 60% of the separation pitch of described Z-type groove.
Described Z-type groove place is provided with enhancing block, described enhancing block along the length that described Z-type slot wedge extends be pattern block in described second shoulder, the outer pattern block of described second shoulder respectively with described Z-type groove neighboring edge place most wide-space 65% ~ 95%.
After adopting technique scheme, the present invention is compared with background technology, tool has the following advantages: the present invention mainly adopts the optimal design of all-terrain vehicle air tread decorative pattern, and its tyre surface is made up of the shoulder lug group of the core block group be circumferentially evenly distributed and both sides.Be formed between core block group and disperse spiral X-type center groove, shoulder lug group is provided with the first shoulder lug and second shoulder lug at multi-step shape edge, so arranges the tractive property that while can realizing guaranteeing tire running durability, lifting tire travels under cross-country road.
Accompanying drawing explanation
Fig. 1 is that tire tread pattern of the present invention launches schematic diagram.
Fig. 2 is the partial schematic diagram that the present invention is positioned at the core block group on tire centerline.
Fig. 3 is the partial schematic diagram that the present invention is positioned at the shoulder lug group of tire shoulder.
Fig. 4 is along the A-A ' in Fig. 3 to cutaway sectional view.
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 1, present invention is disclosed a kind of all-terrain vehicle air-inflation tyre, tire protector 1 is formed by along several evenly distributed decorative pattern unit of tire circumference, and each decorative pattern unit comprises the core block group 10 be positioned on circumferential line and the shoulder lug group 20 being positioned at tyre surface both sides respectively.Core block group 10 comprises the first main pattern block 11 and the second main pattern block 12 of two groups of centrally mutual rotary setting, namely wherein one group of first main pattern block 11 and the second main pattern block 12 be the center-point of another group on line of centers revolve turnback arrange form, shoulder lug group 20 comprises the tire shoulder that two groups lay respectively at the left and right sides of circumferential line, and often group includes the first shoulder lug 21 and the second shoulder lug 22 circumferentially arranged, to be positioned at the first shoulder lug 21 of wherein side tire shoulder and the second shoulder lug 22 be the first shoulder lug 21 on opposite side tire shoulder and the second shoulder lug 22 revolves turnback around center-point and arranges and form.
As shown in Figures 1 and 2, first main pattern block 11 of core block group 10 and the second main pattern block 12 centrally rotate respectively and interval setting forms, thus between adjacent lugs, form the X-type groove dispersed in the shape of a spiral with center, groove disperses extension from X-type center in spiral in the same way, embodiment of the present disclosure is disperse extended form in the counterclockwise direction, also can be set to disperse extended form along clockwise direction.
For increasing the marginal element of pattern block, promote the tractive property that tire travels at cross-country road, inner recess 11a is formed with near the inner side of line of centers at the first main pattern block 11, outer recess 11b is formed with away from the outside of line of centers at the first main pattern block 11, the hollow depth L11 of inner recess 11a is the hollow depth L12 of 10% ~ 30%, outer recess 11b of the first main pattern block 11 width L1 is 10% ~ 45% of the first main pattern block 11 width L1.The rigidity of corresponding first main pattern block 11 will be affected when the hollow depth L11 of inner recess 11a or the hollow depth L12 of outer recess 11b arranges excessive, cause pattern block endurance quality to decline; Otherwise, the tractive property that tire travels at cross-country road effectively cannot be promoted when the hollow depth L11 of inner recess 11a or the hollow depth L12 of outer recess 11b arranges too small.
Equally, inner recess 12a is formed near the inner side of line of centers at the second main pattern block 12, the hollow depth L21 of inner recess 12a is 10% ~ 30% of the second main pattern block 12 width L2, be formed with outer recess 12b at the second main pattern block 12 away from the outside of line of centers, the hollow depth L22 of outer recess 12b is 10% ~ 45% of the second main pattern block 12 width L2.The rigidity of corresponding second main pattern block 12 will be affected when the hollow depth L21 of inner recess 12a or the hollow depth L22 of outer recess 12b arranges excessive, cause pattern block endurance quality to decline; Otherwise, the tractive property that tire travels at cross-country road effectively cannot be promoted when the hollow depth L21 of inner recess 12a or the hollow depth L22 of outer recess 12b arranges too small.
For the pattern block rigidity of the main pattern block 11 of homogenizing first, avoid causing the inordinate wear of pattern block because ground connection is uneven and affecting its durability, bend the step trough 11c of extension in the contact end face of the first main pattern block 11 edge direction be provided with along the first main pattern block 11 inner recess 11a, equally also bend the step trough 12c of extension in the contact end face of the second main pattern block 12 edge direction be provided with along the second main pattern block 12 inner recess 12a.In addition, for guaranteeing the rigidity of pattern block end, avoiding the inordinate wear of end, guaranteeing the durability of tire, can be that the end of acute angle is provided with dip plane 11e, 12e in the top edge that contacts of the first main pattern block 11 and the second main pattern block 12 respectively.
As shown in Figure 3 and Figure 4, by two, independently the first shoulder lug 21 and the second shoulder lug 22 form shoulder lug group 20, wherein the first shoulder lug 21 comprises the V-shaped sub-pattern block of the first shoulder 211 and is the reverse V-shaped sub-pattern block 212 of the second shoulder, the sub-pattern block of second shoulder 212 extends formation around the portion outboard edge of the sub-pattern block 211 of the first shoulder, thus between the sub-pattern block of the first shoulder 211 and the sub-pattern block of the second shoulder 212, part is formed overlapped.The height H 2 of the sub-pattern block of the second shoulder 212 is 50% ~ 80% of the height H 1 of the sub-pattern block 211 of the first shoulder, setting like this can increase the spoil disposal space of tire when cross-country road travels, improve the tractive property of tire running, also can increase the integral rigidity of the first shoulder lug 21 simultaneously, guarantee the durability of tire running.
The sub-pattern block of first shoulder 211 is the sub-pattern block of the second shoulder 212 in 65% ~ 90% of the widest width W 2 of lap in the width W 1 that lap is the widest, effectively can increase the axial edge of the first shoulder lug 21, promote the tractive property of tire at cross-country road.
In addition, for guaranteeing the durability of the first shoulder lug 21, avoid the first shoulder lug 21 that premature failure phenomenon occurs, the second shoulder pattern block 212 top forms reverse V-shaped outward flange 212a and forms along the first shoulder pattern block 211 top that the direction of inward flange 211a of V-type is parallel to be extended toward outside and two edges overlap.In addition, the edge of the first shoulder lug 21 is formed after overlapped has stair-stepping multistage axial ground connection edge, the present embodiment forms axial ground connection edge, three rank, its first rank jump W3 (i.e. the width of first ladder projection) with the ratio set of second-order jump W4 are: 0.8 ~ 1.2, the ratio set of second-order jump W4 and the 3rd rank jump W5 is: 0.8 ~ 1.4, so arranges the tractive property that the multistage axial ground connection edge of the first shoulder lug 21 can be utilized effectively to promote tire travel at cross-country road.In addition; for guaranteeing the durability that decorative pattern ground connection travels; the step trough 211b that several edges extend along the first shoulder pattern block 211 bottom edge direction can be set on the sub-pattern block of the first shoulder 211; this step trough can the ground connection rigidity of the effective sub-pattern block 211 of homogenizing first shoulder, provides the durability that tire is good.
As shown in Figure 3, second shoulder lug 22 is roughly in reverse V-shaped setting, second shoulder lug 22 is made up of the outer pattern block 222 of pattern block in the second shoulder 221, second shoulder, in second shoulder, between the outer pattern block 222 of pattern block 221, second shoulder, adjacent two edges form Z-type groove, the edge that effectively can increase pattern block 221 and the outer pattern block 222 of the second shoulder in the second shoulder is so set, promotes the tractive property of tire running.Simultaneously, in the second shoulder after separation, the ratio of the axial length L 3 of pattern block 221 and the axial length L 4 of the outer pattern block 222 of the second shoulder is 0.8 ~ 1.2, it is even that ground connection when can guarantee that in the second shoulder, pattern block 221 and the outer pattern block 222 of the second shoulder travel so is set, guarantees the endurance quality of tire running.
For making the tractive property of tire reach best, the kink degree of depth W7 that the edge that in kink degree of depth W6, Z-type groove and the second shoulder that the edge that Z-type groove is adjacent with the outer pattern block 222 of the second shoulder is formed, pattern block 221 is adjacent is formed is set to 35% ~ 60% of the separation pitch W8 of Z-type groove.For not reducing the edge rigid of pattern block 221 and the outer pattern block 222 of the second shoulder in the second shoulder, guarantee the traveling durability of pattern block, Z-type groove place in the second shoulder between pattern block 221 and the outer pattern block 222 of the second shoulder is provided with and strengthens block 223, strengthen that block 223 along the length W9 that Z-type slot wedge extends is the most wide-space W10 in neighboring edge place of pattern block 221 and Z-type groove in the second shoulder 65% ~ 95%, strengthen that block 223 along the length W9 that Z-type slot wedge extends is the most wide-space W11 in neighboring edge place of the outer pattern block 222 of the second shoulder and Z-type groove 65% ~ 95%.In addition; for guaranteeing the durability that decorative pattern ground connection travels; pattern block 221 can be arranged several edges in the second shoulder and bend the step trough 221a of extension along pattern block 221 edge direction in the second shoulder; this step trough can the effective ground connection rigidity of pattern block 221 in homogenizing second shoulder, provides the durability that decorative pattern is good.
Employing has been manufactured experimently the all-terrain vehicle tire of the equal 30X10.00R14 of multiple front and rear wheel tire size as Fig. 1 tire tread structural style and has been carried out performance testing and evaluation to them.By each testing tire front and rear wheel necessary rim 8.0AT X14, be installed on all-terrain vehicle after inflation pressure 150kPa and travel on cross-country course, traction property and overall performance is evaluated respectively by the sense organ of chaufeur, test is rear also evaluates endurance quality by the degree of wear of visual observation tread block, evaluates the traction property of rear embodiment, durability and overall performance after tested and is all better than past case.
After can confirming to adopt this tread design by test result, tire can improve the tractive property of tire in cross-country road driving process effectively, can guarantee enough endurance qualities 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. all-terrain vehicle air-inflation tyre, it is characterized in that: the tyre surface of tire is made up of several decorative pattern unit be uniformly distributed circumferentially, each decorative pattern unit comprises the core block group be positioned on circumferential line and the shoulder lug group being positioned at tyre surface both sides, described core block group comprises two groups of centrally mutually the first main pattern block of rotary setting and second main pattern blocks, described shoulder lug group comprises the tire shoulder that two groups lay respectively at circumferential line both sides, and often organize the first shoulder lug and the second shoulder lug that comprise respectively and circumferentially arranging, described first shoulder lug and the second shoulder lug that are positioned at wherein side form around center-point rotary setting for another group, formed between each adjacent lugs of described core block group and disperse the X-type groove of extension with center in spiral in the same way.
2. all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: described first main pattern block, described second main pattern block are all formed with inner recess near the inner side of line of centers, its outside away from line of centers is all formed with outer recess, the hollow depth of described inner recess be respectively described first main pattern block width, described second main pattern block width 10% ~ 30%, the hollow depth of described outer recess be respectively described first main pattern block width, described second main pattern block width 10% ~ 45%.
3. all-terrain vehicle air-inflation tyre according to claim 1, it is characterized in that: described shoulder lug group comprises two independently the first shoulder lug and the second shoulder lug, wherein said first shoulder lug comprises the V-shaped sub-pattern block of the first shoulder and in the reverse V-shaped sub-pattern block of the second shoulder, the sub-pattern block of described second shoulder extends around the portion outboard edge of the sub-pattern block of described first shoulder and partly formed overlapped between.
4. all-terrain vehicle air-inflation tyre according to claim 3, is characterized in that: the sub-pattern block of described first shoulder is the sub-pattern block of described second shoulder at 65% ~ 90% of the widest width of lap at the width that lap is the widest.
5. all-terrain vehicle air-inflation tyre according to claim 3, is characterized in that: the height of the sub-pattern block of described second shoulder is 50% ~ 80% of the height of the sub-pattern block of described first shoulder.
6. all-terrain vehicle air-inflation tyre according to claim 3, it is characterized in that: described second shoulder pattern block top forms reverse V-shaped outward flange and forms along described first shoulder pattern block top that the inward flange direction of V-type is parallel to be extended toward outside and two edges overlap, and the edge of described first shoulder lug is formed after overlapped has stair-stepping multistage axial ground connection edge.
7. all-terrain vehicle air-inflation tyre according to claim 6, it is characterized in that: described multistage axial ground connection edge is axial ground connection edges, three rank, the ratio of the first rank jump and second-order jump is 0.8 ~ 1.2, and the ratio of second-order jump and the 3rd rank jump is 0.8 ~ 1.4.
8. all-terrain vehicle air-inflation tyre according to claim 3, it is characterized in that: described second shoulder lug is made up of pattern block, the outer pattern block of the second shoulder in the second shoulder, in described second shoulder, between pattern block, the outer pattern block of the second shoulder, adjacent two edges form Z-type groove, and in described second shoulder, the ratio of the axial length of pattern block and the axial length of the outer pattern block of described second shoulder is 0.8 ~ 1.2.
9. all-terrain vehicle air-inflation tyre according to claim 8, is characterized in that: the kink degree of depth that the described Z-type groove edge that in outer pattern block, described second shoulder, pattern block is adjacent with described second shoulder is respectively formed is 35% ~ 60% of the separation pitch of described Z-type groove.
10. all-terrain vehicle air-inflation tyre according to claim 9, it is characterized in that: described Z-type groove place is provided with enhancing block, described enhancing block along the length that described Z-type slot wedge extends be pattern block in described second shoulder, the outer pattern block of described second shoulder respectively with described Z-type groove neighboring edge place most wide-space 65% ~ 95%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410233.3A CN104960391B (en) | 2015-07-14 | 2015-07-14 | Pneumatic tire of all-terrain vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510410233.3A CN104960391B (en) | 2015-07-14 | 2015-07-14 | Pneumatic tire of all-terrain vehicle |
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| Publication Number | Publication Date |
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| CN104960391A true CN104960391A (en) | 2015-10-07 |
| CN104960391B CN104960391B (en) | 2017-05-03 |
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| CN201510410233.3A Active CN104960391B (en) | 2015-07-14 | 2015-07-14 | Pneumatic tire of all-terrain vehicle |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000177326A (en) * | 1998-12-21 | 2000-06-27 | Sumitomo Rubber Ind Ltd | Heavy load tire |
| CN202806229U (en) * | 2012-08-21 | 2013-03-20 | 山东省三利轮胎制造有限公司 | All-terrain vehicle tire with independent pattern blocks |
| CN203358226U (en) * | 2013-07-25 | 2013-12-25 | 厦门正新橡胶工业有限公司 | Radial tire tread structure |
| CN103522844A (en) * | 2013-10-28 | 2014-01-22 | 厦门正新橡胶工业有限公司 | Tread pattern structure of all-terrain vehicle pneumatic tyre used for medium-hard pavements |
| WO2014170283A1 (en) * | 2013-04-15 | 2014-10-23 | Compagnie Generale Des Etablissements Michelin | Construction plant tyre tread with variable voids ratio |
| CN204820968U (en) * | 2015-07-14 | 2015-12-02 | 厦门正新橡胶工业有限公司 | Full all terrain vehicle pneumatic tire |
-
2015
- 2015-07-14 CN CN201510410233.3A patent/CN104960391B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000177326A (en) * | 1998-12-21 | 2000-06-27 | Sumitomo Rubber Ind Ltd | Heavy load tire |
| CN202806229U (en) * | 2012-08-21 | 2013-03-20 | 山东省三利轮胎制造有限公司 | All-terrain vehicle tire with independent pattern blocks |
| WO2014170283A1 (en) * | 2013-04-15 | 2014-10-23 | Compagnie Generale Des Etablissements Michelin | Construction plant tyre tread with variable voids ratio |
| CN203358226U (en) * | 2013-07-25 | 2013-12-25 | 厦门正新橡胶工业有限公司 | Radial tire tread structure |
| CN103522844A (en) * | 2013-10-28 | 2014-01-22 | 厦门正新橡胶工业有限公司 | Tread pattern structure of all-terrain vehicle pneumatic tyre used for medium-hard pavements |
| CN204820968U (en) * | 2015-07-14 | 2015-12-02 | 厦门正新橡胶工业有限公司 | Full all terrain vehicle pneumatic tire |
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| CN104960391B (en) | 2017-05-03 |
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