CN218616106U

CN218616106U - Engineering radial tire for snowfield

Info

Publication number: CN218616106U
Application number: CN202222514006.3U
Authority: CN
Inventors: 杨国涛; 张莉; 马海平; 周苏; 吴小华; 王君妍
Original assignee: Zhongce Rubber Tianjin Co ltd
Current assignee: Zhongce Rubber Tianjin Co ltd
Priority date: 2022-09-22
Filing date: 2022-09-22
Publication date: 2023-03-14
Anticipated expiration: 2032-09-22

Abstract

The utility model provides an engineering radial tire for snowfield, wherein a plurality of pattern blocks are arranged on the tread of the tire; the tire tread is provided with a plurality of pitches, each pitch is provided with 8 pattern blocks, the 8 pattern blocks are used as a pattern unit, and the 8 pattern blocks of each pattern unit have the same structure; the 8 pattern blocks are divided into an upper pattern group and a lower pattern group, the upper pattern group comprises 4 transversely arranged pattern blocks which are respectively a pattern A, a pattern B, a pattern C and a pattern D in sequence; the lower pattern group comprises 4 pattern blocks which are transversely arranged; respectively, pattern E, pattern F, pattern G, and pattern H. The utility model discloses three irregular broken line striae of distribution on every decorative pattern piece have the better performance of grabbing on ice and snow road surface. The depth of the pattern groove is shallow, and the pattern groove is longitudinal and transverse, so that the sideslip prevention capability is further enhanced, and the traction force is improved.

Description

Engineering radial tire for snowfield

Technical Field

The utility model belongs to the tire field especially relates to a snowfield is with engineering radial tire.

Background

With the increase of safety consciousness of people, the use of snow tires under specific weather conditions is not paid much attention. A common practice in international is to use snow tyres when the temperature is below 7 ℃, whereas in europe some countries have developed legal regulations for the mandatory use of snow tyres for passenger vehicles during winter periods. The snow tire is developed aiming at the use under specific weather conditions, and the grip skid resistance and the handling performance on the ice and snow road surface are obviously superior to those of the common tire. The snow tire is generally provided with a plurality of thin grooves on the pattern blocks, so that the tire has better gripping performance on the ice and snow road surface;

the use of snow tires is mainly focused in the area of north latitude 40 degrees, which is generally a region with low temperature or much snowfall, such as canada, russia and northern european countries. Usually, the snow tires in these areas are provided with the studs, which, although the grip between the tires and the road surface is improved and the handling performance on icy and snowy road surfaces is ensured, the studs are damaged greatly. Some snow tires without anti-skid nails have insufficient tread gripping force, and the phenomenon of skidding still occurs on some severe ice and snow road surfaces.

SUMMERY OF THE UTILITY MODEL

In view of the above, the present invention is directed to a snowfield off-the-road radial tire to solve the above problems.

In order to achieve the above purpose, the technical scheme of the utility model is realized like this:

a snowfield engineering radial tire is characterized in that a plurality of pattern blocks are arranged on the tread of the tire; the tire tread is provided with a plurality of pitches, each pitch is provided with 8 pattern blocks, the 8 pattern blocks are used as a pattern unit, and the 8 pattern blocks of each pattern unit have the same structure; the 8 pattern blocks are divided into an upper pattern group and a lower pattern group, the upper pattern group comprises 4 transversely arranged pattern blocks which are respectively a pattern A, a pattern B, a pattern C and a pattern D in sequence; the lower pattern group comprises 4 transversely arranged pattern blocks; respectively, pattern E, pattern F, pattern G, and pattern H.

Furthermore, form the pattern groove as No. one pattern groove between pattern A, pattern B, pattern C, the pattern D, the pattern groove that forms between pattern E, pattern F, pattern G, the pattern H is No. two pattern grooves, and No. one pattern groove and No. two pattern grooves's width equals, and the degree of depth equals.

Further, the ratio of the width of the groove number one to the width of the tire tread is 1.

Furthermore, based on the front view angle of the tire tread, the trends of the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H in the horizontal direction are all inclined upwards, and the inclination angle is 20-30 degrees.

Further, based on the front view angle of the tire tread, the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H form dislocation in the vertical direction, and the dislocation angle formed by the pattern A and the pattern E is 20-30 degrees.

Further, on the basis of the front view angle of the tire tread, each pattern block is provided with 3 transverse fold line narrow grooves, the depth of each fold line narrow groove is 25mm, and the ratio of the fold line narrow groove to the first pattern groove is 5.

Further, the ratio of the area of the ground pattern block to the area of the driving surface is 51%.

Compared with the prior art, the utility model relates to a snowfield is with engineering radial tire has following advantage:

(1) The utility model relates to a snowfield is with engineering radial tire, non-directional cross-country decorative pattern, the decorative pattern piece is less, and the area of ground connection decorative pattern piece accounts for the proportion of the driving surface area to be 51%, makes the tread keep sufficient elasticity to improve and grab the land fertility.

(2) The utility model relates to a snowfield is with industrial radial tire, distribute three irregular broken line striae on each decorative pattern piece, have better gripping performance on ice and snow road surface; the depth of the pattern groove is shallow, and the pattern groove is longitudinal and transverse, so that the sideslip prevention capability is further enhanced, and the traction force is improved.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without undue limitation. In the drawings:

FIG. 1 is a front view of a tire tread according to an embodiment of the present invention;

fig. 2 is the pattern depth schematic diagram of the embodiment of the present invention.

Description of the reference numerals:

1. pattern blocks; 2. a first pattern groove; 3. a second groove.

Detailed Description

It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

A kind of engineering radial tire for snowfield, as shown in figure 1-figure 2, there are several pattern blocks 1 on the tread of the said tire; the tire tread is provided with a plurality of pitches, each pitch is provided with 8 pattern blocks 1, the 8 pattern blocks 1 are used as a pattern unit, and the 8 pattern blocks 1 of each pattern unit have the same structure; the 8 pattern blocks 1 are divided into an upper pattern group and a lower pattern group, the upper pattern group comprises 4 transversely arranged pattern blocks 1 which are respectively a pattern A, a pattern B, a pattern C and a pattern D in sequence; the lower pattern group comprises 4 laterally arranged pattern blocks 1; respectively, pattern E, pattern F, pattern G, and pattern H.

Preferably, a groove is formed among the pattern a, the pattern B, the pattern C and the pattern D as a first groove 2, a groove formed among the pattern E, the pattern F, the pattern G and the pattern H is a second groove 3, and the first groove 2 and the second groove 3 have the same width and the same depth.

Preferably, the ratio of the width of groove No. one 2 to the width of the tire tread is 1.

Preferably, the patterns of the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H in the horizontal direction are all inclined upwards by 20-30 degrees based on the front view angle of the tire tread.

Preferably, based on the front view angle of the tire tread, the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H form dislocation in the vertical direction, the dislocation angle formed by the pattern A and the pattern E is 20-30 degrees, stable grip force is provided on a snowy off-road surface, and safe running of a vehicle is guaranteed.

Preferably, each block 1 is provided with 3 transverse fine grooves of a broken line by taking the front view angle of the tire tread as a reference, the depth of each fine groove of the broken line is 25mm, and the ratio of the fine groove of the broken line to the first groove 2 is 5; three irregular broken line thin grooves are distributed on each pattern block 1, so that the ice and snow road surface has better gripping performance; the depth of the pattern groove is shallow, and the pattern groove is longitudinal and transverse, so that the sideslip prevention capability is further enhanced, and the traction force is improved.

Preferably, the non-directional cross-country pattern has smaller blocks 1, and the proportion of the area of the ground-contacting blocks 1 to the area of the driving surface is 51%, so that the tread maintains sufficient elasticity, thereby improving the grip.

The above description is only for the preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A kind of snowfield uses the radial tire of the project, characterized by that: a plurality of pattern blocks are arranged on the tread of the tire; the tire tread is provided with a plurality of pitches, each pitch is provided with 8 pattern blocks, the 8 pattern blocks are used as a pattern unit, and the 8 pattern blocks of each pattern unit have the same structure; the 8 pattern blocks are divided into an upper pattern group and a lower pattern group, the upper pattern group comprises 4 transversely arranged pattern blocks which are respectively a pattern A, a pattern B, a pattern C and a pattern D in sequence; the lower pattern group comprises 4 pattern blocks which are transversely arranged; respectively, pattern E, pattern F, pattern G, and pattern H.

2. The off-the-road radial tire according to claim 1, wherein: form the pattern groove as No. one pattern groove between pattern A, pattern B, pattern C, the pattern D, the pattern groove that forms between pattern E, pattern F, pattern G, the pattern H is No. two pattern grooves, and No. one pattern groove and No. two pattern grooves's width is equal, and the degree of depth is equal.

3. The off-the-road radial tire according to claim 2, wherein: the ratio of the width of groove number one to the width of the tire tread is 1.

4. A snowfield off-the-road radial tire according to claim 2, wherein: on the basis of the front view angle of the tire tread, the trends of the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H in the horizontal direction are inclined upwards, and the inclination angle is 20-30 degrees.

5. The off-the-road radial tire according to claim 2, wherein: based on the front view angle of the tire tread, the pattern A, the pattern B, the pattern C, the pattern D, the pattern E, the pattern F, the pattern G and the pattern H form dislocation in the vertical direction, and the dislocation angle formed by the pattern A and the pattern E is 20-30 degrees.

6. The off-the-road radial tire according to claim 1, wherein: based on the front view angle of the tire tread, each pattern block is provided with 3 transverse fold line thin grooves, the depth of each fold line thin groove is 25mm, and the ratio of the fold line thin groove to the first pattern groove is 5.

7. The off-the-road radial tire according to claim 1, wherein: the ratio of the area of the ground pattern block to the area of the tread surface was 51%.