CN202138161U

CN202138161U - High-performance motorcycle tire

Info

Publication number: CN202138161U
Application number: CN 201120212156
Authority: CN
Inventors: 陈秀雄
Original assignee: Cheng Shin Rubber Xiamen Ind Ltd
Current assignee: Cheng Shin Rubber Xiamen Ind Ltd
Priority date: 2011-06-22
Filing date: 2011-06-22
Publication date: 2012-02-08
Anticipated expiration: 2021-06-22

Abstract

Disclosed is a high-performance motorcycle tire. A tread pattern comprises a plurality of pattern units respectively including at least two groups of pattern main grooves of different lengths and one group of pattern accessory grooves, each group of pattern main grooves is staggered in bilateral symmetry with the tread central line serving as a symmetric line, namely one short pattern main groove and a long pattern main groove are arrayed in a splayed shape, each group of pattern accessory grooves is arranged in bilateral symmetry with the tread central line serving as the symmetric line and in a splayed shape, each pattern accessory groove is respectively positioned between the adjacent short pattern main groove and the adjacent long pattern main groove, and the tail ends of each pattern main groove are gradually thinned to become sharp points and are directed to the ends of the outer sides of a tread. Since the pattern main grooves and the pattern accessory grooves of the tread are respectively staggered in bilateral symmetry and in a splayed shape, noise and instability generated by the tire during high-speed running of a motorcycle can be reduced by the aid of the pattern main grooves in non-cross crown design, the acceleration capacity when the motorcycle is started is strengthened, and the problems of quickness in heat generation and easiness in damage of the tire during high-speed running are solved by the aid of the accessory grooves arranged among the main grooves.

Description

The high performance machine vehicle tyre

Technical field

The utility model is about a kind of tire, is meant the high performance machine vehicle tyre on a kind of front-wheel/trailing wheel that is installed in the big discharge capacity heavy-duty engine of motion class (650CC or higher) especially.

Background technology

Be applicable to heavy-duty engine (discharge capacity is more than the 400CC) tire of tourism sports class at present, its tread contour part is as depicted in figs. 1 and 2, and wherein Fig. 1 rib tire is to be used for the front-wheel part, and Fig. 2 rib tire is to be used for the trailing wheel part.The decorative pattern of crown region A shown in the figure and crown region C partly is the groove design across tyre surface; And the groove of the decorative pattern of shoulder zone B and shoulder zone D part increases to the gradual change width and is adjacent to decorative pattern tire shoulder place; Whole decorative pattern presents the comparison airflow design, and this tire tread can provide preferable tire earth-grasping force, control stability and drainage performance.

But above-mentioned Pattern Design is merely the required performance of heavy-duty engine, but for different automobile types, has very big difference at aspect of performance, and special embodiment in high-end product is particularly evident.For pure motion class heavy-duty engine, existing decorative pattern can produce than big bang in the process of running at high speed, thereby its in-use performance is affected, and this case just produces thus.

The utility model content

The utility model purpose provides a kind of high performance machine vehicle tyre, and it is suitable for the employed tire of pure motion class heavy-duty engine, approaches contest and uses tire, fabulous accelerating ability can be provided, control stability, earth-grasping force and cross performances such as curved ability.

For realizing above-mentioned purpose, the solution of the utility model is:

A kind of high performance machine vehicle tyre, its tread contour are to be made up of several decorative pattern unit, and wherein: each decorative pattern unit comprises decorative pattern tap drain and one group of decorative pattern counter drain that at least two group length are different; Each organizes the decorative pattern tap drain is to be symmetric line and left-right symmetric is crisscross arranged with the circumferential line, and promptly a short decorative pattern tap drain and a long decorative pattern tap drain are splayed and arrange; And the decorative pattern counter drain also be with the circumferential line symmetric line and about be splayed and be symmetrical set, and lay respectively between adjacent short decorative pattern tap drain and the long decorative pattern tap drain; The tail end of each decorative pattern tap drain finishes up into wedge angle gradually, and this tail end is the end that each decorative pattern tap drain points to the tyre surface outside.

The circular arc tangential line and the travel direction at said each decorative pattern tap drain tail end end points place form angle, and this angle angle is set to 15 °～85 °.

The ditch depth of said each decorative pattern tap drain afterbody is gradually shallow setting, promptly the degree of depth of decorative pattern tap drain tail end wedge angle be the decorative pattern tap drain degree of depth 1/4-1/2 doubly, and ditch depth be the length of gradually shallow formation be the decorative pattern main channel length 1/3-3/4 doubly.

Said tyre surface comprises the crown region of main and ground contact, to tire earth-grasping force is provided in going and and crosses curved stable shoulder zone and be connected crown region and the transitional region of shoulder zone in that tire is curved excessively at a high speed; Wherein sea, the decorative pattern land of crown region is than being set to 85% ~ 98%, and the sea, decorative pattern land of shoulder zone is than being set to 85% ~ 98%, and the sea, decorative pattern land of transitional region is than being set to 75% ~ 90%.

The width of said crown region is set to 1/8～1/4 times of tread arc width.

The width of said transitional region is set to 1/8 ~ 1/4 times of tread arc width, and wherein the furrow width of decorative pattern tap drain is set to 5mm ~ 10mm.

Said decorative pattern tap drain tail end is 1/15 ~ 1/7 times of tread arc width apart from the distance at tire shoulder place.

After adopting such scheme; The locomotive tire of the utility model is realized its performance through changing tread pattern structure; Because the major and minor ditch of decorative pattern of its tyre surface is splayed configuration about tyre surface, and symmetry is crisscross arranged, and the decorative pattern tap drain adopts the non-crown design of striding; Can reduce noise and unstable sense that tire produces in running at high speed, and strengthen the starting acceleration capacity of vehicle; This Pattern Design visually has stronger speed sense in tire integral body simultaneously, has guaranteed the stability of controlling of tire, and the excellent ground ability of grabbing driedly; And being provided with of counter drain can solve tire and in running at high speed, give birth to very fast, the damageable problem of heat between the tap drain, thereby guarantees tire service life.

In addition, decorative pattern tap drain end section adopts ending design gradually, and curved ability of the higher mistake of tire and drainage performance can be provided.

Description of drawings

Fig. 1 uses tire cross-section figure for existing locomotive front-wheel;

Fig. 2 uses tire cross-section figure for existing locomotive trailing wheel;

Fig. 3 is the section drawing of the utility model tire;

Fig. 4 is the I-I ' cutaway view of Fig. 3;

Fig. 5 is the J-J ' cutaway view of Fig. 3.

The specific embodiment

Embodiment below in conjunction with explained the utility model:

In conjunction with Fig. 3,4, shown in 5; The utility model has disclosed a kind of high performance machine vehicle tyre; Its tread contour is to be made up of several decorative pattern unit, and each decorative pattern unit comprises 311,312 and one groups of decorative pattern counter drains of the different decorative pattern tap drain of at least two group length, and every group of decorative pattern tap drain is to be made up of symmetrical two tap drains; Same one group of decorative pattern counter drain also comprises the decorative pattern counter drain 411,412 that is symmetrical set, here; Each organizes decorative pattern tap drain the 311, the 312nd, is symmetric line and left-right symmetric is crisscross arranged with the circumferential line, and promptly a short decorative pattern tap drain 311 and a long decorative pattern tap drain 312 are splayed and arrange; And decorative pattern counter drain 411,412 also be with the circumferential line symmetric line and about be splayed and be symmetrical set, and lay respectively between adjacent short decorative pattern tap drain 311 and the long decorative pattern tap drain 312; The tail end of each decorative pattern tap drain 311,312 finishes up into wedge angle gradually, and this tail end is the end that each decorative pattern tap drain 311,312 points to the tyre surface outside.

The tire that so constitutes, its whole decorative pattern are simply novel, and stream line pattern decorative pattern tap drain 311,312 adopts the non-crown design of striding, and can reduce noise and unstable sense that tire produces in the process of running at high speed, and have strengthened the starting acceleration capacity of vehicle.This design visually has stronger speed sense in integral body, has guaranteed the stability of controlling of tire, and the excellent ground ability of grabbing driedly.Decorative pattern tap drain 311,312 end sections adopt ending design gradually, for guaranteeing its end section, the higher curved ability of mistake are provided, and circular arc tangential line and travel direction at tail end end points place form angle, and its angle is set to 15 °～85 °.When the angle value was too small, the decorative pattern tail end was near the vertical bar type, and decorative pattern crosscut ability dies down, and crossed at vehicle to be easy to generate the beat vibrations when curved and to cause curved unstable; When the angle value was excessive, the stream line pattern of whole decorative pattern changed, and also can weaken greatly aspect its draining.The design of wedge angle part in the decorative pattern end; Though can highlight the assurance of the powerful and performance of designed appearances; But comparatively speaking; This type of pointed design can be brought certain bad puzzlement to processing procedure, simultaneously because stress concentration is prone to occur in smaller acute angle district, so to the cross section of decorative pattern tap drain 311,312 here doing following design (concrete like Fig. 4, Fig. 5).Most advanced and sophisticated J-J ' section designs with the form of gradual change, increases the rigidity here, prevents to destroy easily owing to stress concentration in the high-speed straight-line driving process.The design of I-I ' section, the form gradual change of end section has increased the rigidity of tire shoulder portion; When tire goes out to bend, can possess and better cross curved stability; The design of gradual change has in addition increased the drainage of tire, can obtain better wetland and grab the ground ability; Its depth H is set to 1/4～1/2 times of tip pattern depth, is set to 1/3～3/4 times of decorative pattern tap drain 311,312 length and ditch depth is the length L length of gradually shallow formation.

The high performance machine vehicle tyre of the utility model is in running at high speed, because giving birth to of tire is hot very fast, and fragile tire; For avoiding this phenomenon to take place; Configuration decorative pattern counter drain 411,412 between adjacent one short decorative pattern tap drain 311 and one long decorative pattern tap drain 312, the pattern of decorative pattern counter drain 411,412 and decorative pattern tap drain 311,312 set off the sensation that combines together each other; The motion class heavy-duty engine is in running at high speed; Because giving birth to of tire is hot very fast, so the single-piece thermal diffusivity also is most important, the solution that counter drain just in time obtains assisting on this problem.

The design attitude of decorative pattern counter drain 411,412 is crossed curved transitional region F at tire in addition, and its main earth-catching property is not influenced situation, has increased the drainage of tire.In order to promote high performance machine vehicle tyre overall performance, tyre surface is divided into three zones, i.e. crown region E, transitional region F and shoulder zone G.Crown region E; Main and ground contact area; This sea, decorative pattern land, zone is set to 86%-98% than (sea, land is than being meant the ratio that forms between tread block and the groove); The kiss the earth peak width is set to 1/8～1/4 times of tread arc width TW, can guarantee the high grip of tire, the stability that high-speed straight-line goes; Tire shoulder part G is at a high speed providing high grip and curved excessively stability to tire in curved excessively the going, and this sea, decorative pattern land, zone is than being set to 85% ~ 98%, guarantee tire bend excessively at a high speed have when going height grab ability.For improving the rigidity of tire tire shoulder portion; Guaranteed the curved stability of excellent mistake, decorative pattern tap drain 311,312 tail ends are set to 1/15 ~ 1/7 times of tread arc width apart from the distance L 1 at tire shoulder place, are transitional region F between crown region E and the shoulder zone G; For guaranteeing its tire earth-catching property; Improve thermal diffusivity and the drainage of tire in the process of running at high speed, this transitional region F decorative pattern designs comparatively dense relatively, and its sea, land is than being set to 75% ~ 90%; Transitional region F width is set to 1/8 ~ 1/4 times of tread arc width TW, decorative pattern tap drain 311, the 312 wide 5mm ~ 10mm that are set to.

In order to confirm the effect of the utility model, choose his factory's tire and embodiment tire, the front-wheel specification: 120/70ZR17 58W TL; Wheel rim specification: 3.50X17, blast are condition, the trailing wheel specification of 290kPa: 180/55ZR17 73W TL, and wheel rim specification: 5.50X17, blast are the condition of 290kPa; Be assemblied on SUZUKI GSXR 750 heavy-duty engines of 650CC; And on dry pavement, carry out the real vehicle test, according to driver's sensory evaluation, and adopt 10 point-scores.To under the braking state handling, cross curved stability, acceleration mode down handling, traveling comfort and do the ground earth-grasping force and estimate, his factory's tire is 5 minutes, the big more performance of its numerical value is good more.

Test result is presented in the table 1, the braking state of confirming embodiment down handling, cross curved stability, acceleration mode handling, traveling comfort and dried ground earth-grasping force average performance down and be higher than his factory's tire.

Table 1

?	His factory's tire	The embodiment tire
			Handling under the braking state	5	5
Cross curved stability	5	6
			Handling under the acceleration mode	5	5
Traveling comfort	5	6
			Do the ground earth-catching property	5	6

Claims

1. high performance machine vehicle tyre, its tread contour is to be made up of several decorative pattern unit, it is characterized in that: each decorative pattern unit comprises decorative pattern tap drain and one group of decorative pattern counter drain that at least two group length are different; Each organizes the decorative pattern tap drain is to be symmetric line and left-right symmetric is crisscross arranged with the circumferential line, and promptly a short decorative pattern tap drain and a long decorative pattern tap drain are splayed and arrange; And the decorative pattern counter drain also be with the circumferential line symmetric line and about be splayed and be symmetrical set, and lay respectively between adjacent short decorative pattern tap drain and the long decorative pattern tap drain; The tail end of each decorative pattern tap drain finishes up into wedge angle gradually, and this tail end is the end that each decorative pattern tap drain points to the tyre surface outside.

2. high performance machine vehicle tyre as claimed in claim 1 is characterized in that: the circular arc tangential line and the tire running direction at each decorative pattern tap drain tail end end points place of tyre surface form angle, and this angle angle is set to 15 °～85 °.

3. according to claim 1 or claim 2 high performance machine vehicle tyre; It is characterized in that: the ditch depth of each decorative pattern tap drain afterbody is gradually shallow setting; The degree of depth that is decorative pattern tap drain tail end wedge angle be the decorative pattern tap drain degree of depth 1/4-1/2 doubly, and ditch depth be the length of gradually shallow formation be the decorative pattern main channel length 1/3-3/4 doubly.

4. high performance machine vehicle tyre as claimed in claim 1 is characterized in that: tyre surface comprises the crown region of main and ground contact, to tire earth-grasping force is provided in going and and crosses curved stable shoulder zone and be connected crown region and the transitional region of shoulder zone in that tire is curved excessively at a high speed; Wherein sea, the decorative pattern land of crown region is than being set to 85% ~ 98%, and the sea, decorative pattern land of shoulder zone is than being set to 85% ~ 98%, and the sea, decorative pattern land of transitional region is than being set to 75% ~ 90%.

5. high performance machine vehicle tyre as claimed in claim 4 is characterized in that: the width of crown region is set to 1/8～1/4 times of tread arc width.

6. high performance machine vehicle tyre as claimed in claim 5 is characterized in that: the width of transitional region is set to 1/8 ~ 1/4 times of tread arc width, and wherein the furrow width of decorative pattern tap drain is set to 5mm ~ 10mm.

7. high performance machine vehicle tyre as claimed in claim 1 is characterized in that: decorative pattern tap drain tail end is 1/15 ~ 1/7 times of tread arc width apart from the distance at tire shoulder place.