CN114312158A - Low-noise tire pattern and low-noise all-terrain tire - Google Patents
Low-noise tire pattern and low-noise all-terrain tire Download PDFInfo
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- CN114312158A CN114312158A CN202111459301.7A CN202111459301A CN114312158A CN 114312158 A CN114312158 A CN 114312158A CN 202111459301 A CN202111459301 A CN 202111459301A CN 114312158 A CN114312158 A CN 114312158A
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Abstract
The invention relates to the technical field of tires, in particular to a pattern of a low-noise tire and a low-noise all-terrain tire, wherein a silencing step is arranged on one side of a tire crown pattern block close to a tire shoulder pattern block, so that large sound waves in noise sound waves generated in the running process are broken into a plurality of strands of smaller sound waves through the silencing step, and the noise decibel value is reduced; through the corresponding "meshing" structure setting of bellying, concave recess in the tread cap decorative pattern, reduce the air volume, reduce tire noise. The technical scheme provided by the invention not only meets the requirement of all-terrain driving, but also can reduce tire noise and improve the using effect of the tire.
Description
Technical Field
The invention relates to the technical field of tires, in particular to a pattern of a low-noise tire and a low-noise all-terrain tire.
Background
At present, the full-shape tire is the most widely used tire by people in off-road conditions, the design of the full-shape tire is compatible with that of a road tire, the pattern design of the full-shape tire is rough, the space between the tire teeth is slightly larger than that of the road tire, and the negative effects of the design are that the road performance is reduced and the noise is increased.
The existing all-terrain tire pattern design emphasizes all-terrain performance, the driving requirements of paved road surfaces and non-paved road surfaces are met, but road conditions are better and better, the occupied ratio of the non-paved road surfaces is less, the requirements of markets such as Europe on the noise performance of tires are higher and higher, and the existing all-terrain tire pattern design cannot meet the low-noise requirements.
Therefore, there is a need to design a tire that can meet the requirements of all terrain driving and reduce tire noise.
Disclosure of Invention
The invention aims to provide a pattern of a low-noise tire and a low-noise all-terrain tire.
The invention aims to provide a pattern of a low-noise tire, which comprises a crown pattern block positioned at a crown part and shoulder pattern blocks positioned at two side shoulder parts, wherein a silencing step is arranged on one side of the crown pattern block close to the shoulder pattern blocks, and the silencing step is of a stepped structure.
Further, the order of the noise eliminating scale is 2-10, the height of each step is 0.5-5 mm, and the circumferential width L of the noise eliminating scale is00.1-30 mm, and an included angle beta of 0-80 degrees with the vertical direction.
Furthermore, a fillet structure is arranged at the transition position of the vertical step surface of the silencing scale and the horizontal step surface of the lower part.
Another aspect of the present invention is directed to a low-noise all-terrain tire including a tire body, a tread of the tire being provided with a plurality of blocks partitioned by a plurality of longitudinal pattern grooves extending in a tire circumferential direction and a plurality of lug grooves extending in a tire lateral direction, the blocks having the above-described pattern structure.
Further, the crown blocks comprise center blocks and middle blocks; the middle pattern block and the tire shoulder pattern block are sequentially arranged on the two sides of the central pattern block from near to far;
the central pattern blocks are circumferentially arranged on the central axis side by side; the central pattern blocks are of a centrosymmetric structure, and the central symmetric points of the central pattern blocks are on the central axis;
the middle pattern blocks are arranged in a central symmetry mode relative to the central points of the central pattern block pairs, and the shoulder pattern blocks are arranged in a central symmetry mode relative to the central points of the central pattern block pairs.
Further, the central pattern block comprises a first pattern block and a second pattern block, a groove is arranged between the first pattern block and the second pattern block, and a connecting block is arranged in the groove; the connecting block is connected with the first pattern block and the second pattern block.
Further, the middle blocks comprise third blocks and fourth blocks; a link area is arranged between the third pattern block and the fourth pattern block;
the third pattern block is provided with a convex part close to the side edge of the fourth pattern block, and the fourth pattern block is provided with a concave part adapted to the convex part;
the linking area is in a "few" type configuration.
Further, the width of the third pattern convex part is L1The width of the fourth pattern recess is L2Wherein L is2/L11.01 to 4.
Furthermore, the radial depth of the link area is 1-15 mm, the width is 0.1-7 mm, and the thickness is 0-7 mm.
Further, the angle α of the link region to the tire lateral direction is 10 ° to 70 °.
The invention has the beneficial effects that:
the invention provides a pattern of a low-noise tire and a low-noise all-terrain tire, wherein large sound waves in noise sound waves generated in the running process are broken into a plurality of strands of smaller sound waves through the arrangement of a sound attenuation scale, and the noise decibel value is reduced; through the corresponding "meshing" structure setting of bellying, concave recess in the tread cap decorative pattern, reduce the air volume, reduce tire noise. The technical scheme provided by the invention not only meets the requirement of all-terrain driving, but also can reduce tire noise and improve the using effect of the tire.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.
The structures, ratios, sizes, and the like shown in the present specification are only used for matching with the contents disclosed in the specification, so as to be understood and read by those skilled in the art, and are not used to limit the conditions that the present invention can be implemented, so that the present invention has no technical significance, and any structural modifications, changes in the ratio relationship, or adjustments of the sizes, without affecting the effects and the achievable by the present invention, should still fall within the range that the technical contents disclosed in the present invention can cover.
FIG. 1 is a schematic view of a pattern structure of a low noise tire according to an embodiment of the present invention;
FIG. 2 is an enlarged schematic view of the center block;
FIG. 3 is a cross-sectional view taken along line a-a of FIG. 2;
FIG. 4 is an enlarged schematic view of the middle block;
FIG. 5 is a schematic view of a connection structure of a noise-reducing step;
fig. 6 is a sectional view taken along line b-b in fig. 5.
In the figure, 1, a crown block; 2. a tire shoulder pattern block; 3. a sound scale; 4. a central pattern block; 5. a middle pattern block; 6. a first pattern block; 7. a second pattern block; 8. a trench; 9. connecting blocks; 10. a third pattern block; 11. a fourth pattern block; 12. a linking area; 13. a boss portion; 14. a recessed portion.
Detailed Description
The present invention is described in terms of particular embodiments, other advantages and features of the invention will become apparent to those skilled in the art from the following disclosure, and it is to be understood that the described embodiments are merely exemplary of the invention and that it is not intended to limit the invention to the particular embodiments disclosed. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.
The terms "first", "second" and "first" 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" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless otherwise specified.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 application can be understood in a specific case by those of ordinary skill in the art.
As shown in fig. 1, the pattern of the low-noise tire according to the preferred embodiment of the present invention includes a crown block 1 located at a crown portion and shoulder blocks 2 located at both side shoulder portions, a noise reduction step 3 is disposed on one side of the crown block 1 close to the shoulder blocks 2, and the noise reduction step 3 is a stepped structure.
As shown in FIGS. 5-6, in some embodiments of the present application, the order of the said sound absorbing scale 3 is 2-10, the depth of the scale is 0.5-5 mm, the circumferential width L of the said sound absorbing scale 300.1-30 mm, and an included angle beta of 0-80 degrees with the vertical direction.
In some embodiments of the present application, the vertical step surface of the damper 3 is rounded at the transition to the lower horizontal step surface, as shown in fig. 6.
The tested Pass By Noise performance of the 235/75R15 specification tire product adopting the pattern of the invention is 71dB, reaches the requirement of European Union labels, and is 2-3dB lower than that of a common product.
A low-noise all-terrain tire according to a preferred embodiment of the present invention includes a tire body, a tread of which is provided with a plurality of blocks partitioned by a plurality of lug grooves extending in a tire circumferential direction and a plurality of lug grooves extending in a tire lateral direction, the blocks having the above-described pattern structure.
In some embodiments of the present application, said crown blocks 1 comprise a central block 4 and a middle block 5; the middle pattern block 5 and the tire shoulder pattern block 2 are sequentially arranged on the two sides of the central pattern block 4 from near to far; the central pattern blocks 4 are circumferentially arranged on a central axis side by side; the central pattern blocks 4 are of a centrosymmetric structure, and the central symmetric points of the central pattern blocks are on the central axis; the middle pattern blocks 5 are arranged in a central symmetry manner relative to the central points of the central pattern blocks 4, and the shoulder pattern blocks 2 are arranged in a central symmetry manner relative to the central points of the central pattern blocks 4.
As shown in fig. 2-3, the central pattern block 4 includes a first pattern block 6 and a second pattern block 7, a groove 8 is arranged between the first pattern block 6 and the second pattern block 7, a connecting block 9 is arranged in the groove, and the cross section of the connecting block 9 is stepped; the connecting block 9 connects the first pattern block 6 and the second pattern block 7.
As shown in fig. 4, the intermediate block 5 includes a third block 10 and a fourth block 11; a linking area 12 is arranged between the third pattern block 10 and the fourth pattern block 11; the third pattern block 10 is provided with a convex part 13 close to the side edge of the fourth pattern block 11, and the fourth pattern block 11 is provided with a concave part 14 matched with the convex part 13; the link area 12 is of a "several" configuration due to the provision of the raised portion 13 and the recessed portion 14. Wherein the third pattern convex part 13 has a width of L1, and the fourth pattern concave part 14 has a width of L2Wherein L is2/L11.01 to 4. The radial depth of the link area 12 is 1-15 mm, the width is 0.1-7 mm, and the thickness is 0-7 mm. The link areas 12 form an angle alpha with the transverse direction of the tyre, the angle alpha being between 10 and 70 deg..
In some embodiments of the present application, the blocks are in a combined variable pitch arrangement; the number of pitches is 10-80.
Although the invention has been described in detail above with reference to a general description and specific examples, it will be apparent to one skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (10)
1. A pattern of a low noise tire, characterized in that: the decorative pattern comprises a crown pattern block positioned at a crown part and shoulder pattern blocks positioned at shoulder parts at two sides, wherein one side of the crown pattern block, which is close to the shoulder pattern blocks, is provided with a noise reduction scale, and the noise reduction scale is of a stepped structure.
2. A pattern for a low noise tire as defined in claim 1, wherein: the order of the noise eliminating scale is 2-10, the scale depth is 0.5-5 mm, and the circumferential width L of the noise eliminating scale00.1-30 mm, and an included angle beta of 0-80 degrees with the vertical direction.
3. A pattern for a low noise tire as defined in claim 1, wherein: and a fillet structure is arranged at the transition position of the vertical step surface of the silencing step and the lower horizontal step surface.
4. The utility model provides a low noise all terrain tire, includes tire body, its characterized in that: the tread of the tire is provided with a plurality of blocks partitioned by a plurality of longitudinal pattern grooves extending in the tire circumferential direction and a plurality of lateral pattern grooves extending in the tire lateral direction, the blocks having a structure of a pattern as claimed in any one of claims 1 to 3.
5. A low noise all terrain tire according to claim 4, wherein: the crown pattern blocks comprise central pattern blocks and middle pattern blocks; the middle pattern block and the tire shoulder pattern block are sequentially arranged on the two sides of the central pattern block from near to far;
the central pattern blocks are circumferentially arranged on the central axis side by side; the central pattern blocks are of centrosymmetric structures, and the central points of the central pattern blocks are on the central axis;
the middle pattern blocks are arranged in a central symmetry mode relative to the central points of the central pattern block pairs, and the shoulder pattern blocks are arranged in a central symmetry mode relative to the central points of the central pattern block pairs.
6. A low noise all terrain tire according to claim 5, wherein: the central pattern block comprises a first pattern block and a second pattern block, a groove is arranged between the first pattern block and the second pattern block, and a connecting block is arranged in the groove; the connecting block is connected with the first pattern block and the second pattern block.
7. A low noise all terrain tire according to claim 5, wherein: the middle pattern blocks comprise third pattern blocks and fourth pattern blocks; a link area is arranged between the third pattern block and the fourth pattern block;
the third pattern block is provided with a convex part close to the side edge of the fourth pattern block, and the fourth pattern block is provided with a concave part adapted to the convex part;
the linking area is in a "few" type configuration.
8. A low noise all terrain tire according to claim 7, wherein: the width of the third pattern convex part is L1The width of the fourth pattern recess is L2Wherein L is2/L11.01 to 4.
9. A low noise all terrain tire according to claim 7, wherein: the radial depth of the link area is 1-15 mm, the width is 0.1-7 mm, and the thickness is 0-7 mm.
10. A low noise all terrain tire according to claim 7, wherein: the angle alpha between the link area and the transverse direction of the tire is 10-70 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459301.7A CN114312158A (en) | 2021-12-02 | 2021-12-02 | Low-noise tire pattern and low-noise all-terrain tire |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111459301.7A CN114312158A (en) | 2021-12-02 | 2021-12-02 | Low-noise tire pattern and low-noise all-terrain tire |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114312158A true CN114312158A (en) | 2022-04-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111459301.7A Pending CN114312158A (en) | 2021-12-02 | 2021-12-02 | Low-noise tire pattern and low-noise all-terrain tire |
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| CN (1) | CN114312158A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN208774431U (en) * | 2018-08-30 | 2019-04-23 | 万力轮胎股份有限公司 | A kind of symmetrical tread ply of decorative pattern and its off-the-highway tire |
| US20190270346A1 (en) * | 2018-03-05 | 2019-09-05 | Sumitomo Rubber Industries, Ltd. | Tyre |
| JP2020152269A (en) * | 2019-03-20 | 2020-09-24 | 住友ゴム工業株式会社 | tire |
-
2021
- 2021-12-02 CN CN202111459301.7A patent/CN114312158A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190270346A1 (en) * | 2018-03-05 | 2019-09-05 | Sumitomo Rubber Industries, Ltd. | Tyre |
| CN208774431U (en) * | 2018-08-30 | 2019-04-23 | 万力轮胎股份有限公司 | A kind of symmetrical tread ply of decorative pattern and its off-the-highway tire |
| JP2020152269A (en) * | 2019-03-20 | 2020-09-24 | 住友ゴム工業株式会社 | tire |
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