CN203331750U - Inflating tyre for electric vehicle - Google Patents
Inflating tyre for electric vehicle Download PDFInfo
- Publication number
- CN203331750U CN203331750U CN2013203402619U CN201320340261U CN203331750U CN 203331750 U CN203331750 U CN 203331750U CN 2013203402619 U CN2013203402619 U CN 2013203402619U CN 201320340261 U CN201320340261 U CN 201320340261U CN 203331750 U CN203331750 U CN 203331750U
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- tyre
- pattern block
- core piece
- electric vehicle
- boss
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- Withdrawn - After Issue
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Abstract
The utility model discloses an inflating tyre for an electric vehicle. The inflating tyre comprises a tyre-tread pattern and a tyre body structure, wherein the tyre-tread pattern comprises a wavy central pattern block with a continuous tyre-tread center, side pattern blocks and tyre-shoulder pattern blocks; the side pattern blocks are distributed at the two sides of the central pattern block; the tyre-shoulder pattern blocks are provided with diamond particles; an inclined groove is arranged at the turning position of the central pattern block; the tyre tread part of the tyre body structure comprises two sections of arcs, i.e., an inner arc and an outer arc which extend from the center of the tyre tread to the two sides; a top angle at least provided with a directional acute angle is formed at the inner side of the inclined groove; the surfaces of the central pattern block and the side pattern blocks are respectively provided with a plurality of central pattern block fine gaps conforming to the water discharging direction of patterns and a plurality of side pattern block fine gaps; a boss extending along the whole circumference of the outer edge of a tyre shoulder is formed at the outer side of the tyre shoulder of the tyre tread part. The inflating tyre disclosed by the utility model has the advantages that due to the inclined groove and the pattern block fine gaps, the water discharging and antiskid performances of the tyre in driving straightly and inclining slightly and outwards on wet roads can be improved; the boss at the outer side of the tyre shoulder can play roles in supporting and gripping in inclining at bends so as to suppress the side slipping and reduce the danger of accidents.
Description
Technical field
The utility model relates to a kind of electric vehicle air-inflation tyre, refers to especially a kind of electric vehicle air-inflation tyre that is lifted at rainy day or wet-skid road surface driving safety.
Background technology
In recent years, along with the development of elec. vehicle manufacturing technology, the battery-driven car moving velocity on domestic road surface is more and more faster, therefore also more harsh for the performance requriements of electric vehicle tire.In the situation that battery-driven car moving velocity quickeningization, there is hidden danger in existing common electric vehicle tyre safety, particularly, when rainy day or wet-skid road surface travel, easily produces the danger of skidding or crossing curved sideslip.The reason that rainy day or wet-skid road surface easily skid is that the tire tread pattern drainage performance is not good; And cross curved sideslip phenomenon, be because speed when curved sharply crossed is fast and angle causes greatly the earth-grasping force deficiency.Concrete Fig. 1, Fig. 2 of coordinating is analyzed as follows:
Be distributed with pattern block on the tyre surface 2 ' of existing common electric vehicle tyre body 1 ', comprise the continuous wavy pattern block 21 ' in tyre surface center, be distributed on the pattern block 22 ' of tyre surface both sides and tire shoulder the pattern block 23 ' with diamond grains.In order to help the 21 ' heat radiation of continuous wavy pattern block, usually shallow trench 24 ' can be set on pattern block 21 '.But, when wet-skid road surface is kept straight on, tread block 21 ' and pattern block 22 ' be due to smooth surface, the drainage in the ground connection impression is poor and then cause skidding.
In addition, the fetus face of common electric vehicle tyre section structure is tangent by R1 ', two sections arcs of R2 ', and is smoothly transitted into the tire shoulder edge.Generally, tire cross when curved tire shoulder can't ground connection, if but quick excessively curved in rainy day or wet-skid road surface, can, due to the earth-grasping force deficiency, easily produce the danger of breakking away and even falling car.
The utility model content
The purpose of this utility model is to provide under a kind of prerequisite of not losing vehicle in-use performance on normal road surface, the electric vehicle air-inflation tyre of the antiskid safety in the time of can promoting rainy day or wet-skid road surface and travel.
For achieving the above object, solution of the present utility model is:
A kind of electric vehicle air-inflation tyre, comprise tread contour and carcass structure, described tread contour comprises the wavy core piece that a tyre surface center is continuous, be distributed in the side pattern block of core piece both sides and, with the pattern block on tire shoulder of diamond grains, in the turning point of core piece, tipper be set; And the fetus face of carcass structure comprises inner arc and the two sections arcs of outer arc that in tyre surface, extend the mind-set both sides; Wherein: the inboard at tipper forms at least with the drift angle of an acute angle orientation, at core piece and side pattern block surface, some core piece finedraw and some the side pattern block finedraws of complying with the decorative pattern drainage direction is set respectively; Separately in the tire shoulder outside of fetus face, form a boss extended along tire shoulder outer rim circle.
Described wavy core piece both sides form from the wave end the main groove that forward Bing Xiang sidewall, a side wave peak flaring extends, the secondary groove that is provided with from the wave end opposite side wave peak forward simultaneously in wavy core piece both sides and connects with main groove; Be provided with the inferior groove that connects the two between adjacent main groove, form the side pattern block between adjacent main groove inboard and secondary groove and time groove, and just form pattern block on tire shoulder between the adjacent main groove outside and inferior groove.
The tip surface of described tipper drift angle to and near circumferential line, the section of this tipper is set to extend to heel by the surface tilt of core piece, the angle that forms angle with vertical direction is set to 20 ° ~ 50 °.
The one end sealing of described core piece finedraw and side pattern block finedraw, the other end connects the pattern block edge, some core piece finedraws and some side pattern block finedraws be parallel to each other, equidistant arrangement.
Described core piece finedraw and side pattern block finedraw are " V " shape groove, between two adjacent " V " shape grooves, by trapezoid platform, are connected to form.
Centered by the degree of depth of described " V " shape groove 10% ~ 30% of pattern block and side pattern block height, width is set to 0.5mm ~ 1.5mm, " V " shape well width that between two adjacent finedraws, distance is 1 ~ 2 times.
Described inner arc, two sections arcs of outer arc are that inscribe seamlessly transits, and its width is set to 80% ~ 95% of whole tread width.
Described boss cross section is plane, and the axial width of boss is 2mm ~ 5mm.
The curved surface that described boss cross section is arc transition, the radius of this arc transition is at 4mm ~ 10mm, and mutually circumscribed with outer arc, and the radius of arc transition and outer arc point of contact are 2mm ~ 5mm to the axial width at boss edge.
The angle of described boss and tire shoulder batter is set to 60 ° ~ 90 °, and the outer ledge of this boss forms a ground connection cusp.
After adopting such scheme, electric vehicle air-inflation tyre of the present utility model by arranging the tipper with acute angle on the core piece, and some the core piece finedraws and some the side pattern block finedraws that on core piece and side pattern block surface, arrange, can improve tire at keep straight on and wet during slight flare draining, the cling property on road surface; And the boss setting continuous along circle of the tire shoulder outside can be played supports, be grabbed the effect on ground when bend sharply tilts, the danger that car is fallen in the minimizing that suppresses to break away.
The accompanying drawing explanation
Fig. 1 is the section structure schematic diagram of existing Electrical Bicycle tire;
Fig. 2 is the tread contour schematic diagram of existing Electrical Bicycle tire;
The tread contour schematic diagram that Fig. 3 is the utility model tire;
Fig. 4 is A-A ' cut-away view in Fig. 3;
The tread contour configuration schematic diagram that Fig. 5 is the utility model tire;
Fig. 6 is B-B ' cut-away view in Fig. 5;
The section structure schematic diagram that Fig. 7 is the utility model tire;
A kind of embodiment enlarged drawing that Fig. 8 is C place in Fig. 7;
The another kind of embodiment enlarged drawing that Fig. 9 is the utility model tire shoulder boss;
Figure 10 is the ground connection schematic diagram of the utility model tire when sharply mistake is curved.
The specific embodiment
Explain embodiment of the present utility model below in conjunction with accompanying drawing:
As shown in Figures 3 to 10, the utility model has disclosed a kind of electric vehicle air-inflation tyre, and it comprises tread contour and carcass structure.In Fig. 7, be set as tire radially with the tire section vertical direction, horizontal direction is set as tire axial, and single-point line (circumferential line) means equatorial plane.
Tread contour of the present utility model comprises the wavy core piece 21 that a tyre surface center is continuous, is distributed in the side pattern block 22 of core piece 21 both sides and with the pattern block on tire shoulder 23 of diamond grains; Separately in the turning point of core piece 21, tipper 24 is set; And the fetus face of carcass structure comprises two sections arcs of inner arc R1, outer arc R2 that in tyre surface, extend the mind-set both sides; Key of the present utility model is: form at least the vertex angle theta 1 with an acute angle orientation in the inboard of tipper 24; At core piece 21 and side pattern block 22 surfaces, some core piece finedraw 21a and some the side pattern block finedraw 22a that comply with the decorative pattern drainage direction are set respectively; Separately in the tire shoulder outside of fetus face, form a boss 25 extended along tire shoulder outer rim circle.
As shown in Figure 3, described wavy core piece 21 is circumferentially to arrange continuously along tire protector at the tyre surface center, the both sides of this wavy core piece 21 form from the wave end the main groove 31 that forward Bing Xiang sidewall, a side wave peak flaring extends, the secondary groove 32 that is provided with from the wave end opposite side wave peak forward simultaneously in wavy core piece 21 both sides and connects with main groove 31; Be provided with the inferior groove 33 that connects the two between adjacent main groove 31.Between adjacent main groove 31 inboards and secondary groove 32 and time groove 33, form side pattern block 22, and just form the pattern block on tire shoulder 23 with diamond grains between adjacent main groove 31 outsides and time groove 33.Side pattern block 22, pattern block on tire shoulder 23 is the fitfull polygon.In the unrestrained bottom of wavy core piece 21, inwardly be provided with and main groove 31 tipper 24 forward, this tipper 24 is to help 21 heat radiations of continuous core piece, avoids stress to concentrate, and the abrasion that make core piece 21 evenly and then promote endurance quality.
The inboard of this tipper 24 forms at least the vertex angle theta 1 with an acute angle orientation, the most advanced and sophisticated 24a of this drift angle must towards and near equatorial plane.The tipper 24 that has acute angle near the tyre surface center can effectively destroy moisture film, opens more fully water layer, draining, the cling property of tire while improving the vehicle craspedodrome.As shown in Figure 4, the section of tipper 24 is set to extend to heel by the surface tilt of core piece 21, with vertical direction, forms an angle theta 2, and the angle of angle theta 2 is set to 20 ° ~ 50 ° and is advisable.The inclination Section Design not only promotes wet Pavement Performance, suitably weakens the pattern block rigidity simultaneously, helps to wriggle, and guarantees the in-use performance of vehicle on normal dry pavement.
As shown in Figure 5, be respectively arranged with some core piece finedraw 21as and some the side pattern block finedraw 22as identical with main groove 31 direction of tilt on core piece 21 and side pattern block 22 surfaces, circumferential line inclination finedraw integral body is to comply with the drainage direction of decorative pattern relatively.Core piece finedraw 21a, side pattern block finedraw 22a not only increases the ground connection edge of core piece 21, side pattern block 22, increases earth-grasping force, and the concavo-convex drop of generation also can destroy moisture film, prevents the problem of skidding when craspedodrome and slight mistake are curved.Departure point based on avoiding too weakening the pattern block rigidity, core piece finedraw 21a and side pattern block finedraw 22a extend and arrange with side pattern block 22 to core piece 21 respectively from secondary groove 32, be an end sealing of each finedraw, the other end connects the pattern block edge designs.
Coordinate shown in Fig. 6, some core piece finedraw 21a and some side pattern block finedraw 22a be parallel to each other, " V " shape groove of equidistant arrangement, between two adjacent " V " shape grooves, by trapezoid platform, connected to form, and discrete zigzag fashion.Wherein, the degree of depth h of " V " shape groove is 10% ~ 30% of pattern block (core piece 21 and side pattern block 22) height H, width W 1 is set to 0.5mm ~ 1.5mm, " V " shape well width W1 that between two adjacent finedraws, distance L 1 is 1 ~ 2 times, and on pattern block the number of finedraw according to different pattern blocks sizes concrete the setting.The degree of depth of " V " shape finedraw, width, spacing dimension rationalize, prevent that core piece finedraw 21a and side pattern block finedraw 22a from being worn and torn too early on the one hand, can't reach aforesaid grab ground and anti-skidding effect, be the comprehensive Design to core piece 21 and the 22 rigidity compromises of side pattern block on the other hand.
Shown in Fig. 7 is the section structure of the utility model tire, wherein the fetus face 2 of tire body 1 is comprised of two parts, comprise the first formed by inner arc R1, two sections arcs of outer arc R2 that extend mind-set both sides in tyre surface, and the boss 25 that is arranged on the tire shoulder place is second portion.The inner arc R1 of first, two sections arcs of outer arc R2 are that inscribe seamlessly transits, and its width W 2 is set to 80% ~ 95% of whole tread width W; Boss 25 is to extend along tire shoulder outer ledge circle, due to vehicle, when normally travelling, boss can't ground connection, can not affect the use of normal dry pavement, but the curved or wet-skid road surface in quick mistake, but play supporting carcass, increase the effect of grabbing ground, can suppress sideslip and reduce the danger (as shown in figure 10) of falling car.
Fig. 8, shown in Fig. 9 is two kinds of embodiments of the utility model tire boss 25, and wherein in Fig. 8, boss 25 cross sections can be designed to plane, and the axial width L2 of boss 25 is set to 2mm ~ 5mm; And boss 25 cross sections shown in Fig. 9 can be designed to the curved surface of arc transition, the radius r of this arc transition is at 4mm ~ 10mm, and mutually circumscribed with the outer arc R2 of first, now the radius r of arc transition and outer arc R2 point of contact are set to 2mm ~ 5mm to the axial width L2 ' at boss 25 edges.The outer ledge of boss 25 forms a ground connection cusp 25a, and the angle theta 3 of its boss 25 and tire shoulder batter 23a is set to 60 ° ~ 90 ° and is advisable, if angle theta 3 is too little, cusp 25a is too sharp-pointed, can't bring into play support, grab the effect on ground, and easily burst apart, wear and tear; If angle theta 3 is too large, pattern block on tire shoulder 23 volumes increase too many, and the tyre stock cost will rise.
The section structure of tire shoulder outer side edges marginal zone boss 25, not only can be used as the structural improvement of electric vehicle tyre, also can be used as the scheme that the bicycle for mountain-climbing tire is crossed curved performance that promotes.The landform drop used due to bicycle for mountain-climbing is larger, under the harsies environment such as rugged hill, forest-road, fast, the curved frequent generation of mistake of wide-angle.Therefore, the structure of tire shoulder edge lug boss 25 can provide extra bearing force, earth-grasping force, and the curved action of fierce mistake is more successfully completed, and reduces dangerous the time sports speed that promotes again.
In sum, electric vehicle air-inflation tyre of the present utility model, by the tipper 24 with acute angle is set on core piece 21, and at core piece 21 and side pattern block 22 surfaces, some core piece finedraw 21a and some side pattern block finedraw 22a are set, can improve draining, the cling property on tire wet road surface when keeping straight on slight flare; And the tire shoulder outside boss 25 continuous along circle arranges, can play supports when bend tilts, grab the effect on ground, suppress the danger that car is fallen in the sideslip minimizing.
Claims (10)
1. an electric vehicle air-inflation tyre, comprise tread contour and carcass structure, described tread contour comprises the wavy core piece that a tyre surface center is continuous, be distributed in the side pattern block of core piece both sides and, with the pattern block on tire shoulder of diamond grains, in the turning point of core piece, tipper be set; And the fetus face of carcass structure comprises inner arc and the two sections arcs of outer arc that in tyre surface, extend the mind-set both sides; It is characterized in that: the inboard at tipper forms at least with the drift angle of an acute angle orientation, at core piece and side pattern block surface, some core piece finedraw and some the side pattern block finedraws of complying with the decorative pattern drainage direction is set respectively; Separately in the tire shoulder outside of fetus face, form a boss extended along tire shoulder outer rim circle.
2. a kind of electric vehicle air-inflation tyre as claimed in claim 1, it is characterized in that: described wavy core piece both sides form from the wave end the main groove that forward Bing Xiang sidewall, a side wave peak flaring extends, the secondary groove that is provided with from the wave end opposite side wave peak forward simultaneously in wavy core piece both sides and connects with main groove; Be provided with the inferior groove that connects the two between adjacent main groove, form the side pattern block between adjacent main groove inboard and secondary groove and time groove, and just form pattern block on tire shoulder between the adjacent main groove outside and inferior groove.
3. a kind of electric vehicle air-inflation tyre as claimed in claim 1 or 2, it is characterized in that: the tip surface of described tipper drift angle to and near circumferential line, the section of this tipper is set to extend to heel by the surface tilt of core piece, and the angle that forms angle with vertical direction is set to 20 ° ~ 50 °.
4. a kind of electric vehicle air-inflation tyre as claimed in claim 1 or 2, it is characterized in that: described core piece finedraw and the one end sealing of side pattern block finedraw, the other end connects the pattern block edge, some core piece finedraws and some side pattern block finedraws be parallel to each other, equidistant arrangement.
5. a kind of electric vehicle air-inflation tyre as claimed in claim 4, it is characterized in that: described core piece finedraw and side pattern block finedraw are " V " shape groove, between two adjacent " V " shape grooves, by trapezoid platform, are connected to form.
6. a kind of electric vehicle air-inflation tyre as claimed in claim 5, it is characterized in that: centered by the degree of depth of described " V " shape groove 10% ~ 30% of pattern block and side pattern block height, width is set to 0.5mm ~ 1.5mm, " V " shape well width that between two adjacent finedraws, distance is 1 ~ 2 times.
7. a kind of electric vehicle air-inflation tyre as claimed in claim 1, it is characterized in that: described inner arc, two sections arcs of outer arc are that inscribe seamlessly transits, and its width is set to 80% ~ 95% of whole tread width.
8. a kind of electric vehicle air-inflation tyre as described as claim 1 or 7, it is characterized in that: described boss cross section is plane, the axial width of boss is 2mm ~ 5mm.
9. a kind of electric vehicle air-inflation tyre as described as claim 1 or 7, it is characterized in that: the curved surface that described boss cross section is arc transition, the radius of this arc transition is at 4mm ~ 10mm, and mutually circumscribed with outer arc, the radius of arc transition and outer arc point of contact are 2mm ~ 5mm to the axial width at boss edge.
10. a kind of electric vehicle air-inflation tyre as described as claim 1 or 7, it is characterized in that: the angle of described boss and tire shoulder batter is set to 60 ° ~ 90 °, and the outer ledge of this boss forms a ground connection cusp.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203402619U CN203331750U (en) | 2013-06-14 | 2013-06-14 | Inflating tyre for electric vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013203402619U CN203331750U (en) | 2013-06-14 | 2013-06-14 | Inflating tyre for electric vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203331750U true CN203331750U (en) | 2013-12-11 |
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ID=49700447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013203402619U Withdrawn - After Issue CN203331750U (en) | 2013-06-14 | 2013-06-14 | Inflating tyre for electric vehicle |
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| Country | Link |
|---|---|
| CN (1) | CN203331750U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287219A (en) * | 2013-06-14 | 2013-09-11 | 天津大丰橡胶工业有限公司 | Pneumatic tire for electric vehicle |
| CN105500998A (en) * | 2014-09-26 | 2016-04-20 | 新东岳集团有限公司 | Tubeless tire |
| JP2020104846A (en) * | 2018-12-27 | 2020-07-09 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Pneumatic tire |
-
2013
- 2013-06-14 CN CN2013203402619U patent/CN203331750U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103287219A (en) * | 2013-06-14 | 2013-09-11 | 天津大丰橡胶工业有限公司 | Pneumatic tire for electric vehicle |
| CN103287219B (en) * | 2013-06-14 | 2015-08-19 | 天津大丰橡胶工业有限公司 | A kind of Pneumatic tire for electric vehicle |
| CN105500998A (en) * | 2014-09-26 | 2016-04-20 | 新东岳集团有限公司 | Tubeless tire |
| CN105500998B (en) * | 2014-09-26 | 2018-05-08 | 新东岳集团有限公司 | A kind of tubeless tyre |
| JP2020104846A (en) * | 2018-12-27 | 2020-07-09 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | Pneumatic tire |
| JP7457501B2 (en) | 2018-12-27 | 2024-03-28 | Ｔｏｙｏ Ｔｉｒｅ株式会社 | pneumatic tires |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131211 Effective date of abandoning: 20150819 |
|
| RGAV | Abandon patent right to avoid regrant |