CN200939809Y - Inflated tyre tread with asymmetric patterns - Google Patents
Inflated tyre tread with asymmetric patterns Download PDFInfo
- Publication number
- CN200939809Y CN200939809Y CN 200620058355 CN200620058355U CN200939809Y CN 200939809 Y CN200939809 Y CN 200939809Y CN 200620058355 CN200620058355 CN 200620058355 CN 200620058355 U CN200620058355 U CN 200620058355U CN 200939809 Y CN200939809 Y CN 200939809Y
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- pattern
- symmetrical design
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Abstract
The utility model discloses a pneumatic tire tread with asymmetric patterns. The utility model is composed of a central area 1, inside tire shoulder areas 2 respectively located at both sides of the central area 1 and outside tire shoulder area 3. The central area 1 is composed of two continuous straight flutes 11a and 11b in circumferential direction and stripes 21, 22 ad 23 with differently-designed patterns. The continuous straight flute 12 in circumferential directions and stripe 24 with differently-designed patterns form the inside tire shoulder area 2. The continuous straight flute 13 in circumferential direction and stripes with differently-designed patterns form the outside tire shoulder area 3. The utility model is fused with the unique technology and function design, striving for the research of the complicated technical proposal and satisfying the demands of the increasingly-advanced markets and clients in a greater success.
Description
Technical field
The utility model relates to a kind of airtyred tyre surface, more specifically relates to a kind of air tread with non-symmetrical design.
Background technology
In general, traditional symmetrical tread contour tire is because therefore the decorative pattern that has identical performance characteristics along the circumferential line both sides can provide better maneuvering performance in some routines or specific road surface.For example, the decorative pattern identical on wet and slippery road surface usually demonstrates uniform drainage ability, and the decorative pattern of symmetry helps interchanging of tires etc.
But modern sports type runs car, high-performance manned vehicles of new generation etc. more and more trend towards proposing harsher requirement, not only need High Performance but also wish to keep good driver comfort, thirst for having the quiet driving under low noise simultaneously, especially under riving condition very, therefore we can say that the standard of very-high performance tire is redefined.
Summary of the invention
The purpose of this utility model is to overcome the shortcoming that prior art exists, and a kind of air tread with non-symmetrical design is provided.The utility model has merged unique technique and functional design, is devoted to study the complicated technology solution, can satisfy comparatively satisfactorily and improve market, ground customer requirement day by day.
For achieving the above object, the utility model has been taked following technical scheme:
Air tread with non-symmetrical design is characterized in that being made of with outside shoulder zone 3 central area 1 and the inboard shoulder zone 2 that lays respectively at 1 both sides, central area; Central area 1 is by two continuous circumferential straight flute 11a, and 11b constitutes with the bright different pattern rib 21,22 of design and 23; Continuous circumferential straight flute 12 constitutes inboard shoulder zone 2 with the bright different pattern rib 24 of design; And 13 of continuous circumferential straight flutes constitute with the bright different pattern rib of design outside shoulder zone 3.
In the technique scheme, be provided with a large amount of curve grooves 31 and 32 on core bar 21, curve groove 31 and 32 is in conjunction with being the bow type and towards inboard shoulder zone 2.Simultaneously between per two arc horizontal ditches 31, a large amount of anti-skidding thin tire sipes 41 is set; The shape of anti-skidding thin tire sipe 41 is with laterally ditch 31 is close.Be provided with dome-type circular hole decorative pattern 51 in the end of thin tire sipe 41 simultaneously, dome-type circular hole decorative pattern 51 is arranged along circumferential line X-X.
As a kind of improvement of technique scheme, pattern rib 22 and 23 is parallel to tap drain 11a, 11b, 12,13 circumferentially auxiliary rill 14 division formation 22a, 22b and 23a, 23b two parts by one; On pattern rib 22a and 22b, be provided with valley 33a and 33b with certain angle, wherein 33a one end is communicated with tap drain 12, the other end is communicated with auxiliary ditch 14, and 33b one end is communicated with tap drain 11a, the other end be communicated with auxiliary 14, two groups of valley 33a of ditch and 33b along circumferentially at a certain distance stagger arrangement arrange; Furrow bank in circumferential pattern bar 23a and 23b upper edge circumferential pattern ditch 11b and 13 has a large amount of bevelled otch decorative pattern 34a and 34b.
The cross groove 35 of a kind of " h " type is arranged along pattern block on tire shoulder 24 with the variation circular pitch of a graded; One side ports of this cross groove 35 broads is outwards open along inboard shoulder zone 2, and a narrower side is communicated with circumferential tap drain 12.
Between per two horizontal ditches 35, a large amount of anti-skidding thin tire sipes 42 is set on the pattern block 24.
At the outer ledge of inboard shoulder zone 2, be positioned at the louvre that each thin tire sipe 42 end is provided with " n " type simultaneously.
As the further improvement of technique scheme, be adjacent and the auxiliary rill 13 that is parallel to vertical tap drain 15 outside pattern block on tire shoulder 25 separated into two parts.
The horizontal ditch 36 of a large amount of " L " types is arranged simultaneously along circumferentially arranging and intersecting with auxiliary rill 13 with the variation circular pitch of a graded, wherein the end near auxiliary rill 13 is a closed end, the other end is outwards open along shoulder zone 3, and its outward extending shallow end is as the heat radiation point.
In technique scheme, the tread contour that the air tread with non-symmetrical design that the utility model discloses has a kind of left and right sides asymmetrical design.Open shoulder zone 2 and enclosed shoulder zone 3 are towards automobile inner side with towards vehicle outer side by special provision respectively.
Use air-inflation tyre of the present utility model, its speed marker classification is H/V/ZR/W/Y, and its nominal rim diameter scope is by 15 to 24 inches, and nominal aspect ratio and serial scope are by 25 to 65, and nominal section wide region is by 185 to 355.
The beneficial effect that the utlity model has below in conjunction with Figure of description explanation:
As shown in Figure 3:
Four circumferential straight flutes (11a/11b/12/13) thus can be fast effectively draining improved the wetland tractive force and prevented neatly.
2. three continuous circumferential ribs comprise core bar 21, and central area 1 improvement that inboard centre rib 22, outside centre rib 23 form tyre surface turns to precision, strengthens and directly advances stability.
3. dome-type circular hole decorative pattern 51 is arranged along circumferential line X-X., and connects the end of thin tire sipe 41.The groove of this particular design can play and prevent eccentric wear, strengthens the effect of performance on the wet and slippery road surface.
4. on core bar 21, curve groove 31 and 32 is in conjunction with being bow type shape.This design makes the tire ground connection and the transmission of power in the process of moving more level and smooth, can reduce noise and improve traveling comfort to improve abrasion uneven.
5. being arranged in effect that process that horizontal valley 33a that the stagger arrangement of inboard centre rib 22 arranges and 33b turn at tire can produce interlocking has strengthened steering power excellent wetland slush ground tractive property is provided.
6. be positioned on the centre rib 23 of the outside, longitudinally the pattern structure of ditch can reach the ground connection stress of regulating pattern block in the ditch that forms of the bevelled otch decorative pattern 34a that opens of groove 11b and 13 furrow bank and 34b, promote the purpose of even wear, make pattern rib keep performance such as road-holding property and the turning responsibility etc. of certain rigidity simultaneously to guarantee other.
7. the raising of tire maneuvering performance has benefited from non-symmetrical tread design.Dried wet handling has been optimized according to different functions of use design-calculated pattern structures in the inside and outside both sides of tyre surface.For example, broad inboard draining straight flute can be fast effectively draining, greatly improved the antiskid capability of tire, strengthened wet ground-surface tractive force and need not to sacrifice wear hardness, have excellent wet road surface maneuvering performance wet-sliding resistant performance; The outside pattern block on tire shoulder of full densification (shoulder zone 3) has excellent dried ground maneuvering performance.
8. be positioned at the horizontal ditch of " h " shape of inboard shoulder zone 2 and anti-skidding thin tire sipe 42 is arranged the two pattern blocks that form by stagger arrangement structure, tire shoulder portion pattern block has been segmented in this design, quantity is more than outside pattern block on tire shoulder, thereby optimized the rigidity of tire shoulder portion pattern block, help reducing tire path and make an uproar, strengthened driving stability and deceleration and stopping performance.
9. be provided for skidproof thin tire sipe 41 between per two arc horizontal ditches 31, its shape is with laterally ditch 31 is approximate.Between per two horizontal ditches 35, be provided for skidproof thin tire sipe 42 on the tire shoulder pattern rib 24 simultaneously.These thin tire sipes 41 and 42 by geometric configuration and arranging density optimization can further reduce the tyre surface road and make an uproar, improve drainage performance by puncturing moisture film, reduce pattern block rigidity and improve the tire traveling comfort, can strengthen slush tractive force on the ground, improve the driving stability of doing on the wet road surface, prevent irregular wear.
Other performance characteristics of the present utility model will utilize accompanying drawing to announce and describe in detail in conjunction with the application example of optimizing, so that make correlation technique more clear.All critical nature characteristics of the present utility model are listed in claims of appendix one by one, and can draw and more clearly understanding by the actual tests means.
Description of drawings
Fig. 1 is the utility model patent about the actual effect planar view of the air tread with non-symmetrical design;
Fig. 2 is the scheme drawing of tire variation of ground connection impression in the turning process;
Fig. 3 is the utility model patent about the expansion top plan view of the air tread with non-symmetrical design and illustrates;
Fig. 4 has shown the utility model patent some key parameters about circumferential groove and pattern rib are defined; Indicated the position of partial enlarged drawing simultaneously, specifically shown as Fig. 5～9;
Fig. 5 has shown the partial enlarged drawing of core bar 21;
Fig. 6 has shown the partial enlarged drawing of inboard centre rib 22;
Fig. 7 has shown the partial enlarged drawing of outside centre rib 23;
Fig. 8 has shown the partial enlarged drawing of inboard tire shoulder pattern rib 24;
Fig. 9 has shown the partial enlarged drawing of outside tire shoulder pattern rib 25.
The specific embodiment
Come the utility model is further described below in conjunction with Figure of description, but the utility model scope required for protection is not limited to the scope of embodiment description.
The application example of the present utility model that accompanying drawing 3 to 9 shows is a kind of riding radial-ply tyre, specification 225/50R17 decorative pattern numbering S-1063.Its tread contour is by a large amount of different circular pitches and be asymmetric decorative pattern unit, the left and right sides along circumferential overlapping forming, and wherein shoulder zone 2 and shoulder zone 3 are towards automobile inner side with towards vehicle outer side by special provision respectively.(seeing Fig. 3 for details)
As shown in Figure 3, application example decorative pattern of the present utility model is divided into " central area 1 ", adheres to " shoulder zone 2 " and " shoulder zone 3 " on both sides separately.Wherein " central area 1 " designs bright different core bar 21 by two continuous circumferential straight flute 11a/11b, inboard centre rib 22, and outside centre rib 23 is formed; And continuous circumferential straight flute 12 and 13 is formed " shoulder zone 2 " and " shoulder zone 3 " with the bright different pattern rib 24 of design and 25 respectively.Traditionally, according to the tire size size, specifically be exactly different tread widths, four circumferentially straight groove 11a/11b/12/13 should distribute with suitable furrow width and location interval.The applicant confirms through repetition test, be optimum when setting by following scope as the value of the parameter of related definition among Fig. 4: X11=X21, X12=X22, X12/X11=X22/X21=0.15-0.17 (0.161), X13=X23=9
-12mm (10), X14/X11=0.24
-0.27 (0.254), X24/X21=0.25
-0.28 (0.263), X14/X24=0.95
-0.98 (0.967), X15=9
-12mm (10), X25=7
-11mm (8), X15/X25=1.2
-1.3 (1.25), X16/X11=0.38
-0.45 (0.414), X26/X21=0.39
-0.46 (0.423).Wherein the numerical value in () is the actual value that should use example.This pattern structure is effectively draining fast, thereby the antiskid capability that has greatly improved tire has been strengthened wet ground-surface tractive force and need not to sacrifice wear hardness, mainly have benefited from it and have the excellent wet road surface maneuvering performance and the broad inboard draining straight flute of wet-sliding resistant performance, and the outside pattern block on tire shoulder with full densification of excellent dried ground maneuvering performance.
See among Fig. 3 again to show that on core bar 21, dome-type circular hole decorative pattern 51 is arranged along circumferential line X-X., and connected the end of thin tire sipe 41.The groove of this particular design can play and prevent eccentric wear, strengthens the effect of performance on the wet and slippery road surface.
See among Fig. 3 again to show that pattern rib 22 and 23 is divided formation two parts 22a/22b and 23a/23b. by a circumferentially auxiliary rill 14 that is parallel to tap drain 11a/11b/12/13
See among Fig. 3 again to show, on pattern rib 22a and 22b, be provided with valley 33a and 33b with certain angle.Wherein 33a one end is communicated with tap drain 12, and the other end is communicated with auxiliary ditch 14; And 33b one end is communicated with tap drain 11a, and the other end is communicated with auxiliary ditch 14.Two groups of valley 33a and 33b along circumferentially at a certain distance stagger arrangement arrange.Through the applicant verify repeatedly confirm as Fig. 6 in the value of parameter of related definition be optimum when setting by following scope: β=67 °
-75 °, Y2=3.0
-4.5.Notice that simultaneously the horizontal valley 33a of stagger arrangement and 33b can produce interlocking in the process that tire is turned effect strengthened steering power excellent wetland slush ground tractive property is provided.
See among Fig. 3 again to show that the furrow bank of circumferential pattern bar 23a and 23b upper edge circumferential pattern ditch 11b and 13 has bevelled otch decorative pattern 34a and 34b.The pattern structure of ditch can reach the ground connection stress of regulating pattern block in this ditch, promotes the purpose of even wear, makes pattern rib keep certain rigidity with the performance that guarantees other such as road-holding property turning responsibility etc. simultaneously.Through the applicant verify repeatedly confirm as Fig. 7 in the value of parameter of related definition be optimum when setting by following scope: γ=28 °
-35 ° of and Y3=5.0
-6.5.
See among Fig. 3 again to show that in inboard shoulder zone 2, the cross groove 35 of a kind of " h " shape is arranged along pattern block on tire shoulder 24 with the variation circular pitch of a graded.One side ports of this cross groove 35 broads is outwards open along shoulder zone 2, and a narrower side is communicated with circumferential tap drain 12.Actual value of the present utility model is X17/X16=0.43.Through the applicant verify repeatedly confirm as Fig. 8 in the value of parameter of related definition be optimum: X17/X16=0.40 when setting by following scope
-0.50, Y5=4.0
-5.5, Y4/Y5=0.30
-0.50. the applicant finds that the open pattern structure of shoulder zone 2 described above can lower the tire rolling noise, makes draining more effective.
See among Fig. 3 to show again, be provided for skidproof thin tire sipe 41 between per two arc horizontal ditches 31, its shape is with laterally ditch 31 is approximate.Between per two horizontal ditches 35, be provided for skidproof thin tire sipe 42 on the tire shoulder pattern rib 24 simultaneously.These thin tire sipes 41 and 42 can further reduce the tyre surface road makes an uproar, and improves drainage performance by puncturing moisture film, reduces pattern block rigidity and improves the tire traveling comfort.Some key parameters are that R3=60mm such as Fig. 5 show that X18/X16=0.66 such as Fig. 8 show in actual value of the present utility model.And through the applicant verify repeatedly confirm as Fig. 5 and 8 in the value of parameter of related definition be optimum: R3=50 when setting by following scope
-72mm, X18/X16=0.6
-0.7.The applicant observes the tractive force that these thin tire sipes by geometric configuration and arranging density optimization can strengthen the slush ground simultaneously, improves the driving stability of doing on the wet road surface, prevents irregular wear.
See among Fig. 3 again and show, the horizontal ditch of " h " shape of inboard shoulder zone 2 and anti-skidding thin tire sipe 42 is arranged the two pattern blocks that form by stagger arrangement the structure of being positioned at above-mentioned, tire shoulder portion pattern block has been segmented in this design, quantity is more than outside pattern block on tire shoulder, thereby optimized the rigidity of tire shoulder portion pattern block, help reducing tire path and make an uproar, strengthened driving stability and deceleration and stopping performance.
See among Fig. 3 again to show that the adjacent and auxiliary rill 13 that is parallel to vertical tap drain 15 is outside pattern block on tire shoulder 25 separated into two parts.The horizontal ditch 36 of " L " shape is along circumferentially arranging with certain circular pitch and intersecting with auxiliary rill 13, and wherein the end near auxiliary rill 13 is a closed end, and the other end is outwards open along shoulder zone 3.Verify repeatedly that through the applicant value of the parameter that confirms related definition is optimum when setting by following scope: show Y6=5.0 as Fig. 9
-6.0mm, X19/X16=0.85
-0.9.The applicant has found the broad relatively fine and close big-pattern piece design optimization of this outside tire shoulder tire and ground-surface ground connection power can improve the stability of turning.
See among Fig. 3 again to show,, be positioned at the louvre that each thin tire sipe 42 end is provided with " n " shape at the outer ledge of inboard shoulder zone 2.At the outward flange of outside shoulder zone 3, laterally the outside shallow end of ditch 36 also is as a heat radiation point.Such heat radiation point is arranged at the tire belt edge can help the heat radiation of tire in running at high speed, and reduces the risk of tread strip bundle delamination.
Claims (10)
1. the air tread that has non-symmetrical design is characterized in that being made of with outside shoulder zone (3) central area (1) and the inboard shoulder zone (2) that lays respectively at both sides, central area (1); Central area (1) is by two continuous circumferential straight flutes (11a), and (11b) with design bright different pattern rib (21), (22) and (23) constitute; Continuous circumferential straight flute (12) constitutes inboard shoulder zone (2) with the bright different pattern rib of design (24); And continuous circumferential straight flute (13) then constitutes outside shoulder zone (3) with the bright different pattern rib of design.
2. the air tread with non-symmetrical design according to claim 1, it is characterized in that being provided with on core bar (21) a large amount of curve grooves (31) and (32), curve groove (31) and (32) are in conjunction with being the bow type and towards inboard shoulder zone (2).
3. the air tread with non-symmetrical design according to claim 2 is characterized in that being provided with a large amount of anti-skidding thin tire sipes (41) between per two arc horizontal ditches (31); The shape of anti-skidding thin tire sipe (41) is with laterally ditch (31) is close.
4. the air tread with non-symmetrical design according to claim 3 is characterized in that being provided with dome-type circular hole decorative pattern (51) in the end of thin tire sipe (41), and dome-type circular hole decorative pattern (51) is arranged along circumferential line X-X.
5. the air tread with non-symmetrical design according to claim 1, it is characterized in that pattern rib (22) and (23) are parallel to tap drain (11a) by one, (11b), (12), (13) circumferentially auxiliary rill (14) is divided and is formed (22a), (22b) with (23a), (23b) two parts; At pattern rib (22a) with (22b), be provided with valley (33a) with certain angle with (33b), wherein (33a) end is communicated with tap drain (12), the other end is communicated with auxiliary ditch (14), an end is communicated with tap drain (11a) and (33b), the other end is communicated with auxiliary ditch (14), two groups of valleys (33a) and (33b) along circumferential stagger arrangement layout at a certain distance; Furrow bank in circumferential pattern bar (23a) and (23b) upper edge circumferential pattern ditch 11b and 13 have a large amount of bevelled otch decorative patterns (34a) with (34b).
6. the air tread with non-symmetrical design according to claim 1 is characterized in that the cross groove (35) of " h " type is arranged along pattern block on tire shoulder (24) with the variation circular pitch of a graded; One side ports of this cross groove (35) broad is outwards open along inboard shoulder zone (2), and a narrower side is communicated with circumferential tap drain (12).
7. the air tread with non-symmetrical design according to claim 6 is characterized in that pattern block (24) upward is provided with a large amount of anti-skidding thin tire sipes (42) between per two horizontal ditches (35).
8. the air tread with non-symmetrical design according to claim 7 is characterized in that the outer ledge in inboard shoulder zone (2), is positioned at the louvre that each thin tire sipe (42) end is provided with " n " type.
9. according to each described air tread in the claim 1～8 with non-symmetrical design, it is characterized in that adjacent and the auxiliary rill (13) that is parallel to vertical tap drain (15) outside pattern block on tire shoulder (25) separated into two parts.
10. the air tread with non-symmetrical design according to claim 9, it is characterized in that having a large amount of horizontal ditches of " L " type (36) along circumferentially arranging and intersecting with auxiliary rill (13) with the variation circular pitch of a graded, wherein the end near auxiliary rill (13) is a closed end, the other end is outwards open along shoulder zone (3), and its outward extending shallow end is as the heat radiation point.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058355 CN200939809Y (en) | 2006-04-28 | 2006-04-28 | Inflated tyre tread with asymmetric patterns |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620058355 CN200939809Y (en) | 2006-04-28 | 2006-04-28 | Inflated tyre tread with asymmetric patterns |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200939809Y true CN200939809Y (en) | 2007-08-29 |
Family
ID=38745994
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620058355 Expired - Fee Related CN200939809Y (en) | 2006-04-28 | 2006-04-28 | Inflated tyre tread with asymmetric patterns |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200939809Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303070A (en) * | 2012-03-14 | 2013-09-18 | 横滨橡胶株式会社 | Pneumatic tire |
| CN108725100A (en) * | 2017-04-18 | 2018-11-02 | 住友橡胶工业株式会社 | Tire |
-
2006
- 2006-04-28 CN CN 200620058355 patent/CN200939809Y/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103303070A (en) * | 2012-03-14 | 2013-09-18 | 横滨橡胶株式会社 | Pneumatic tire |
| CN103303070B (en) * | 2012-03-14 | 2015-11-18 | 横滨橡胶株式会社 | Air-inflation tyre |
| CN105216553A (en) * | 2012-03-14 | 2016-01-06 | 横滨橡胶株式会社 | Air-inflation tyre |
| CN108725100A (en) * | 2017-04-18 | 2018-11-02 | 住友橡胶工业株式会社 | Tire |
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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 |
Granted publication date: 20070829 Termination date: 20150428 |
|
| EXPY | Termination of patent right or utility model |