CN216443418U

CN216443418U - Motor vehicle tire tread pattern structure

Info

Publication number: CN216443418U
Application number: CN202122617161.3U
Authority: CN
Inventors: 吴学斌; 赵新伟; 张明香
Original assignee: Double Coin Group Xinjiang Kunlun Tyre Co ltd
Current assignee: Double Coin Group Xinjiang Kunlun Tyre Co ltd
Priority date: 2021-10-29
Filing date: 2021-10-29
Publication date: 2022-05-06
Anticipated expiration: 2031-10-29

Abstract

The utility model relates to the field of tire design, in particular to a tread pattern structure of a motor vehicle tire, which comprises a tire tread, and transverse patterns and longitudinal patterns which are arranged on the tire tread, wherein the transverse patterns with the same structure and the opposite directions are uniformly and symmetrically distributed on two sides of the circumferential central line of the tire tread; the lug extends from the tire tread to the shoulder. Compared with the prior art, the tire tread provided by the utility model has the advantages that the transverse patterns of the octagonal structure are matched with the longitudinal patterns of the zigzag structure, the guidance performance, the drainage performance, the good ground holding force and the anti-sideslip performance are provided for the tire during high-speed running, and the traction force and the lateral force of the tire are further improved by the constantly changing pattern groove angle.

Description

Motor vehicle tire tread pattern structure

Technical Field

The utility model relates to the field of tire design, in particular to a tread pattern structure of a motor vehicle tire.

Background

Tires are circular ring-shaped elastic rubber articles for ground rolling that are mounted on various vehicles or machines. The wheel is usually arranged on a metal rim, can support a vehicle body, buffers external impact, realizes contact with a road surface and ensures the driving performance of a vehicle. Tires are often used under complex and severe conditions, which are subjected to various deformations, loads, forces and high and low temperatures during driving, and therefore must have high load-bearing, traction and cushioning properties. At the same time, high abrasion resistance and flexibility resistance, and low rolling resistance and heat build-up are also required. Half of the world's rubber usage is used in tire production, which is seen in the ability of tires to consume rubber.

The design of the tread pattern is varied and is considered for different applications, for the suitability of different road conditions and, when selected, also from these aspects. The tyre patterns play an important role in the whole driving process, and the reasonably designed patterns can effectively save oil, reduce the noise generated by the automobile in the driving process and enhance the driving force, braking force and traction performance of the automobile on various severe and slippery road surfaces, thereby improving the driving safety of the automobile.

The tread pattern categories are generally several:

(1) straight groove patterns, also known as common patterns, are designed with longitudinal grooves as the main pattern.

The method is characterized in that: excellent steering stability, small rotation resistance, low noise, especially excellent drainage performance, and difficult lateral sliding.

The method is applicable to the following steps: the vehicle model is used for walking on a flat road: cars, trucks, and even airplanes.

The disadvantages are as follows: drive and drag forces are poor.

(2) Transverse groove patterns: the design of the patterns mainly comprising the transverse grooves.

The method is characterized in that: the driving force, braking force and traction force of the transverse groove patterns are particularly excellent, and the wear resistance of the transverse groove patterns is excellent.

The method is applicable to the following steps: the vehicle type is used on bad pavements such as broken stone roads: are mostly used in industrial, medium-short-distance vehicles such as bulldozers, excavators, loaders, etc., heavy goods vehicles.

The disadvantages are as follows: the noise is large.

(3) Longitudinal and transverse groove patterns: the longitudinal and transverse groove patterns are also called comprehensive patterns, and are designed by combining straight groove patterns and transverse groove patterns.

The method is characterized in that: has the advantages of longitudinal groove and transverse groove patterns.

The method is applicable to the following steps: bad road surface.

The disadvantages are as follows: abnormal abrasion is easily generated.

(4) Block-shaped patterns: the patterns are regularly arranged in blocks.

The method is characterized in that: the driving force and the braking force are good, and the force for driving the vehicle to move forwards is provided.

The method is applicable to the following steps: snow, muddy and the like.

The disadvantages are as follows: poor wear resistance and short mileage life.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the above problems and to providing a tread pattern structure for a tire of a motor vehicle and a tire. The matching design of the longitudinal patterns and the transverse patterns realizes that the tire has good guidance, drainage, ground holding force and sideslip resistance under high-speed running. Also, the constantly changing groove angles increase the traction and lateral forces of the tire.

The purpose of the utility model is realized by the following technical scheme:

the pattern structure of the tire tread of the motor vehicle comprises the tire tread, and a transverse pattern and a longitudinal pattern which are arranged on the tire tread, and is characterized in that the transverse pattern which is centrosymmetric relative to the central point of the circumferential central line is uniformly distributed on both sides of the circumferential central line of the tire tread; the transverse patterns extend from the tire tread to the tire shoulder, and the transverse patterns on the tire shoulder are used for providing heat dissipation effects.

Preferably, said lug comprises at least three-folded lug grooves, forming an octagonal structure, providing good grip and resistance to side-slip during running of the tyre.

Preferably, the bottom of the transverse groove is provided with a convex block which is consistent with the extending direction of the transverse groove on the tire tread and plays the roles of removing stones and bouncing stones, so that stones are prevented from being clamped and the groove bottom is punctured.

Preferably, said longitudinal pattern comprises a longitudinally through zigzag central longitudinal groove located at the position of the circumferential centre line of the tyre tread and interrupted longitudinal grooves located on both sides thereof and longitudinally connecting adjacent transverse patterns.

Preferably, the longitudinal pattern is provided with 3 strips, evenly distributed on the tread of the tyre, providing guidance and high speed when the tyre is running.

Preferably, the included angle between each straight line segment of the longitudinal pattern and the circumferential center line of the tire tread is 15-25 degrees, more preferably, the included angle is 19 degrees so as to meet the performance requirements of different wheel positions.

Preferably, the pitch between adjacent longitudinal patterns is 58 knots.

Preferably, the depth of the transverse patterns is 16mm, and the depth of the longitudinal patterns is 8 mm.

Preferably, the included angle between the two side groove walls of the transverse patterns and the two side groove walls of the longitudinal patterns and the normal line of the tire tread is 15-25 degrees, more preferably, the included angle is 20 degrees, and the stone removal of the grooves and the protection of the bottoms of the grooves are facilitated.

Preferably, the groove bottom curve of the transverse pattern and the groove bottom curve of the longitudinal pattern are both full arc structures, which is beneficial to the stone removal of the groove and the protection of the groove bottom.

Preferably, a plurality of vent holes penetrating through the mold are distributed on the periphery of each transverse pattern and each longitudinal pattern, and the vent holes are used for preventing the phenomena of air pocket, rubber shortage, pattern fillet and the like in the tire vulcanization process.

Compared with the prior art, the utility model has the following beneficial effects:

1. the horizontal pattern of the octagonal structure is used with the longitudinal pattern of the zigzag structure in a matching way, so that the tire has guidance performance, drainage performance, good ground holding force and sideslip resistance under high-speed running, and the traction force and the lateral force of the tire are further improved by the constantly changing pattern groove angle.

2. The design of 3 longitudinal patterns forming an angle of 19 degrees with the central line of the tread can meet the performance requirements of different wheel positions, and has good universality; the transverse patterns extend to the tire shoulder, so that the heat dissipation effect can be provided for the tire, the service performance of the tire is improved, and the service life of the tire is prolonged.

3. The included angle between the groove wall on two sides of the groove and the normal line of the tire tread is 20 degrees, and the groove bottom curve adopts a full arc structure, which is beneficial to the stone removal of the groove and the protection of the bottom of the groove.

Drawings

FIG. 1 is a schematic structural view of a tire tread pattern of the present invention;

in the figure: 1-a tire tread; 2-transverse patterns; 3-longitudinal pattern; 31-a central longitudinal groove of zigzag type; 32-interrupted longitudinal grooves; 4-a bump; 5-air vent.

Detailed Description

The utility model is described in detail below with reference to the figures and the specific embodiments. There is shown a preferred embodiment of the utility model, it being understood that persons skilled in the art may modify the utility model herein described while still achieving the advantageous results of the utility model. Accordingly, the following description should be construed as broadly as possible to those skilled in the art and not as limiting the utility model.

Example 1

A tread pattern structure of a motor vehicle tire comprises a tire tread 1, and a transverse pattern 2 and a longitudinal pattern 3 which are arranged on the tire tread 1, wherein the transverse pattern 2 which is centrosymmetric relative to the central point of the circumferential central line is uniformly distributed on two sides of the circumferential central line of the tire tread 1; the transverse patterns 2 extend from the tire tread 1 to the tire shoulder, and the transverse patterns 2 on the tire shoulder can provide heat dissipation effect, improve the service performance and prolong the service life of the tire.

Further, in the present embodiment:

the transverse pattern 2 adopts an octagonal structure with at least three folds, and can provide good ground holding force and sideslip resistance for the tire in the running process. At the bottom of the transverse grooves there is provided a series of successive projections 4, the projections 4 extending in a direction corresponding to the direction in which the lug 2 extends over the portion of the tread 1 of the tire.

In this embodiment, there are 3 longitudinal patterns 3 uniformly distributed on the tire tread, wherein 1 is a longitudinally through zigzag central longitudinal groove 31 disposed at the position of the circumferential centerline of the tire tread 1, and the other 2 are intermittent longitudinal grooves 32 disposed at both sides of the zigzag central longitudinal groove 31 and symmetric to the circumferential centerline of the tire tread 1, and each intermittent longitudinal groove 32 connects the adjacent transverse patterns 2. The included angle between each straight line segment of the longitudinal pattern 3 and the circumferential central line of the tire tread 1 is 19 degrees, and the included angles between the longitudinal pattern 3 on the same horizontal line and the circumferential central line of the tire tread 1 are the same, so that the performance requirements of the tire in different wheel positions can be met, and the universal tire has good universality. The pitch between two adjacent longitudinal patterns 3 is 58 pitches. The longitudinal pattern 3 can provide guidance and high speed during running of the tire.

In the embodiment, the depth of the transverse pattern 2 is 16mm, the depth of the longitudinal pattern 3 is 8mm, the included angle between the groove walls on the two sides of the transverse pattern 2 and the longitudinal pattern 3 and the normal line of the tire tread 1 is 20 degrees, and the groove bottom curves are all full-circular-arc structures, so that the design is favorable for the stone removal of the groove and the protection of the bottom of the groove, and the performance of the tire after long-time use is ensured not to be greatly influenced due to the fact that the groove or the pattern is damaged. A plurality of vent holes 5 penetrating through the die are distributed on the periphery of each transverse pattern 2 and each longitudinal pattern 3. The traction force and the lateral force of the tire can be effectively improved through the groove angle of the transverse patterns 2 and the longitudinal patterns 3 which are changed continuously.

By adopting the pattern 1 of the tire tread described in the embodiment and matching with the high-wear-resistance tread formula, the driving range of the tire can be effectively and comprehensively increased; the widened tire shoulder is matched, so that the abrasion speed of the tire is reduced; by matching with a wider driving surface width (170mm) and a smaller tread radian height (5mm), the footprint (rectangular rate) of the tread can be further optimized, and the eccentric wear resistance of the tire is improved.

The embodiments described above are intended to facilitate the understanding and use of the utility model by those skilled in the art. It will be readily apparent to those skilled in the art that various modifications to these embodiments may be made, and the generic principles described herein may be applied to other embodiments without the use of the inventive faculty. Therefore, the present invention is not limited to the above embodiments, and those skilled in the art should make improvements and modifications within the scope of the present invention based on the disclosure of the present invention.

Claims

1. The tread pattern structure of the motor vehicle tire comprises a tire tread (1), and transverse patterns (2) and longitudinal patterns (3) which are arranged on the tire tread (1), and is characterized in that the two sides of the circumferential central line of the tire tread (1) are respectively and uniformly distributed with the transverse patterns (2) which are centrosymmetric relative to the central point of the circumferential central line; the transverse patterns (2) extend from the tire tread (1) to the tire shoulder.

2. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein said transverse pattern (2) comprises at least three-fold transverse grooves, forming an octagonal structure.

3. A tread pattern structure for motor vehicle tyres as claimed in claim 2, wherein the bottom of said transverse grooves is provided with projections (4) coinciding with the direction of extension thereof on the tyre tread (1).

4. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein said longitudinal patterns (3) comprise longitudinally through-going central longitudinal grooves (31) located at the circumferential centre line of the tyre tread (1) and interrupted longitudinal grooves (32) located on either side thereof and longitudinally connecting adjacent transverse patterns (2).

5. A tread pattern structure for motor vehicle tyres as claimed in claim 4, wherein said longitudinal pattern (3) forms an angle of 15-25 ° with the circumferential centre line of the tyre tread (1).

6. A tread pattern structure for motor vehicle tyres as claimed in claim 4, wherein the pitch between adjacent longitudinal patterns (3) is 58 knots.

7. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein said transverse patterns (2) have a depth of 16mm and said longitudinal patterns (3) have a depth of 8 mm.

8. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein the groove walls of the transverse patterns (2) and of the longitudinal patterns (3) are inclined at an angle of 15-25 ° to the normal of the tyre tread (1).

9. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein the bottom curves of the transverse patterns (2) and of the longitudinal patterns (3) are all-circular.

10. A tread pattern structure for motor vehicle tyres as claimed in claim 1, wherein a plurality of vent holes (5) are respectively distributed around the periphery of each transverse pattern (2) and longitudinal pattern (3) and extend through the mould.