Low-noise wet-skid-resistant tire pattern and tire
By employing a variable-angle water ripple structure, multiple bumps, tread blocks of different widths, 3D steel sheets, and unequal pitch design in the tire tread pattern design, the problem of balancing noise and wet skid resistance has been solved, achieving a low-noise and wet skid resistance effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- QINGDAO LUNYUN DESIGN & RES INST CO LTD
- Filing Date
- 2025-02-27
- Publication Date
- 2026-04-10
AI Technical Summary
Existing technologies reduce tire noise by decreasing the volume of tread grooves, which leads to a decrease in wet skid resistance, making it difficult to balance low noise and wet skid resistance.
The design incorporates a longitudinal main channel with a variable-angle water ripple structure, multiple protrusion structures, circumferential patterned blocks of varying widths, a 3D steel sheet structure, and an unequal pitch design. This optimizes the shape and pitch arrangement of the patterned grooves, disrupts airflow, improves drainage performance, enhances rigidity and grip, and avoids resonance at the same frequency.
It improves the tire's water drainage and anti-slip performance, reduces noise, enhances steering stability and overall performance, and reduces high-frequency noise.
Smart Images
Figure CN224103795U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to tire technical field especially relates to a low noise anti -wet skid tire pattern and tire. BACKGROUND
[0002] With the rapid development of transportation industry, the performance requirements of vehicle to tire are increasing, and the consumers also put forward higher requirements on the energy saving, safety, silence, comfort and other performances of tire, and the demand of high performance tire is continuously increasing. In order to improve the driving comfort, reduce the noise of tire and enhance the wet skid resistance in complex road conditions, rainy and wet road conditions, the consumers pay attention to the key points. Tire noise is mainly caused by the air pump effect between tire pattern and compressed air and the impact of tread on road surface. At present, the volume of groove is reduced to reduce the noise of tire, although the noise generated by the air pump effect can be effectively reduced, but the drainage performance of tire is weakened, and the anti -wet skid performance of tire is reduced. Therefore, the development of low noise, anti -wet skid tire pattern becomes an important research direction of tire industry. SUMMARY
[0003] The details of one or more embodiments of the utility model are proposed in the following drawings and description, so that other features, objects and advantages of the application are more concise and easy to understand.
[0004] The utility model discloses a kind of low noise anti -wet skid tire pattern and tire, solve the above-mentioned technical problem that reducing the noise of tire by reducing the volume of groove can reduce the anti -wet skid performance of tire, with the characteristics of improving drainage performance, anti -wet skid performance and reducing the noise of tire.
[0005] The utility model discloses a kind of low noise anti -wet skid tire pattern, including multiple longitudinal main grooves extending along tread longitudinal direction arrangement, the groove bottom of longitudinal main groove is curve type structure, and the groove bottom angle of longitudinal main groove is 10 °-19 °, the groove bottom of longitudinal main groove is arranged with multiple bump structure, and adjacent bump is connected by sheet-shaped connecting block;The groove wall of longitudinal main groove includes the first groove wall and the second groove wall connected with the groove bottom of longitudinal main groove, the third groove wall connecting first groove wall and adjacent tread, and the fourth groove wall connecting second groove wall and adjacent tread, wherein, the angle of first groove wall and second groove wall is different, and the third groove wall and the fourth groove wall are perpendicular to tread respectively.
[0006] In some embodiments, the bump includes first bump and second bump, and two second bumps are arranged between adjacent first bump, wherein, first bump is cylindrical structure, the diameter of cylindrical structure bottom circle is 2.5-3mm, and the height of protrusion is 3-4mm;Second bump is cuboid structure, the length of cuboid structure is 6-8mm, the width is 3-3.5mm, and the height of protrusion is 4-5.5mm.
[0007] In some embodiments, the length of the sheet-shaped connecting block is 4-6 mm, the thickness is 1-1.8 mm, and the height is 3 mm.
[0008] In some embodiments, the low-noise wet skid-resistant tire pattern further comprises a plurality of circumferential blocks arranged along the longitudinal direction of the tread, the circumferential blocks and the longitudinal main grooves are arranged at intervals, the circumferential blocks comprise middle blocks located in the middle of the tread, shoulder blocks located on both sides of the tread shoulder, and edge blocks located between the middle blocks and the shoulder blocks, wherein the width ratio of the shoulder blocks to the edge blocks is (1.3-1.45):1, and the width ratio of the middle blocks to the edge blocks is (1.1-1.2):1.
[0009] In some embodiments, shoulder longitudinal fine grooves are arranged on the shoulder blocks along the circumference of the tread, and inclined shoulder transverse fine grooves are arranged at intervals on one side of the shoulder longitudinal fine grooves close to the edge of the tread.
[0010] In some embodiments, middle longitudinal fine grooves in a zigzag structure are arranged on the middle blocks along the circumference of the tread, and middle transverse fine grooves are arranged at the inflection points of the zigzag lines of the middle transverse fine grooves, and the other end of the middle transverse fine grooves extends to the adjacent longitudinal main groove.
[0011] In some embodiments, a plurality of edge transverse fine grooves are arranged at intervals on the edge blocks, edge longitudinal fine grooves are arranged on the edge blocks along the circumference of the tread, and the edge longitudinal fine grooves pass through the middle of the edge transverse fine grooves.
[0012] In some embodiments, the edge transverse fine grooves are in an S-shaped structure, and 3D steel sheets are arranged at the bottom of the edge transverse fine grooves, the width of the 3D steel sheets is 0.5-0.8 mm, the depth of the 3D steel sheets is 1 / 2-2 / 3 of the depth of the longitudinal main groove, and the total width of the left and right protrusions of the 3D steel sheets is 1.2-2.0 mm.
[0013] In some embodiments, the low-noise wet skid-resistant tire pattern adopts an unequal pitch design arranged along the circumference of the tire, wherein the pitch length ratio of the long pitch L, the medium pitch M, and the short pitch S is L:M:S=1.492:1.141:1, the ratio of the total length of the long pitch L to the total length of the short pitch S is (1.1-1.2):1, and the ratio of the total length of the medium pitch M to the total length of the short pitch S is (1.1-1.2):1.
[0014] The utility model also provides a tire on the other aspect of the utility model discloses a low-noise wet skid-resistant tire pattern is arranged on the tire tread.
[0015] Compared with the prior art, the utility model has the beneficial effects that:
[0016] (1) The longitudinal main groove of the low-noise anti-wet-slip tire pattern adopts a variable-angle water wave structure, and the groove bottom pattern section continuously changes along the groove bottom trend, which is beneficial to improve the drainage performance; a plurality of protrusion structures are arranged on the groove bottom, which not only protects the groove bottom of the longitudinal main groove, but also blocks the high-pressure air of the longitudinal main groove from directly penetrating the pattern groove, disturbs the normal air flow, reduces the pumping effect of the longitudinal main groove, and reduces the tire noise.
[0017] (2) The low-noise anti-wet-slip tire pattern is provided with circumferential pattern blocks with different widths, which is beneficial to improve the rigidity of the pattern blocks, reduce deformation during use, and reduce the risk of turning side slip.
[0018] (3) The low-noise anti-wet-slip tire pattern is provided with a 3D steel sheet structure on the bottom of the edge transverse fine groove of the edge pattern block, which not only improves the ground adhesion, but also reduces the displacement of the pattern block, improves the overall performance of the tire, and is also beneficial to the mold stripping during tire production.
[0019] (4) The low-noise anti-wet-slip tire pattern is provided with a shoulder longitudinal fine groove and a shoulder transverse fine groove on the shoulder pattern block, which optimizes the rigidity distribution and impact absorption of the tire surface, enhances the turning stability and anti-wet-slip performance.
[0020] (5) The low-noise anti-wet-slip tire pattern optimizes the pitch arrangement to avoid the same pitch from producing the same frequency resonance, breaks the regular noise pattern that may be produced during tire rolling through different pitch lengths, effectively controls the sound wave propagation produced when the tire contacts the ground, reduces the high-frequency noise caused by sharp edges or improper arrangement of the pattern blocks, avoids the so-called "same frequency resonance", and makes the sound frequency of the tire distributed in a range that is not easy to be perceived or distinguished by human ears, thereby further reducing the tire noise. BRIEF DESCRIPTION OF DRAWINGS
[0021] The drawings described herein are used to provide a further understanding of the present application, and form a part of the present application. The schematic embodiments of the present application and the description thereof are used to explain the present application, and do not constitute an improper limitation on the present application. Among them:
[0022] Figure 1 The structure schematic view of the low-noise anti-wet-slip tire pattern provided by the embodiment of the present application;
[0023] Figure 2 The Figure 1 A-A1 section view in the middle;
[0024] Figure 3 The Figure 1 A2-A3 section view in the middle;
[0025] Figure 4 The Figure 1Cross-sectional view at C-C1;
[0026] Figure 5 For Figure 1 Cross-sectional view at D-D1;
[0027] Figure 6 For Figure 1 Cross-sectional view at E-E1;
[0028] Figure 7 For Figure 1 Cross-sectional view at B-B1;
[0029] In the drawings: 1, longitudinal main groove, 101, first groove wall, 102, second groove wall, 103, third groove wall, 104, fourth groove wall, 2, middle block, 3, edge block, 4, shoulder block, 5, first protrusion, 6, second protrusion, 7, sheet-shaped connecting block, 8, middle longitudinal fine groove, 9, middle transverse fine groove, 10, edge longitudinal fine groove, 11, edge transverse fine groove, 12, shoulder longitudinal fine groove, 13, shoulder transverse fine groove, 14, small shoulder. DETAILED DESCRIPTION
[0030] In order to make the purpose, technical scheme and advantages of the utility model clearer and more apparent, the technical scheme in the embodiments will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0031] In the description of the utility model, it is understood that the orientation or position relationship indicated by the terms "center", "transverse", "longitudinal", "upper", "lower", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. The terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features limited by "first", "second", "third" can explicitly or implicitly include one or more features. The term "longitudinal" refers to the direction of tire rolling; the term "transverse" refers to the direction perpendicular to the tire surface.
[0032] The utility model embodiment provides a kind of low-noise anti-wet and slippery tire pattern and tire, Figure 1The structure schematic diagram of the low-noise anti-wet skid tire pattern according to the embodiment of the utility model is shown in the figure. Figure 1 As shown in the figure, the low-noise anti-wet skid tire pattern at least comprises a plurality of longitudinal main grooves 1 arranged along the longitudinal direction of the tread, the longitudinal main grooves 1 are designed as four straight grooves, compared with the design of three straight grooves, the drainage volume is larger, the drainage performance is improved, and the anti-wet skid performance of the tire is improved. Figure 2 As shown in the figure, the bottom of the longitudinal main groove 1 is in a curve structure, preferably a variable-angle water ripple structure, the angle of the bottom of the longitudinal main groove 1 is 10°-19°, and the width n of the bottom of the longitudinal main groove 1 is 1 / 2 of the width m of the longitudinal main groove, by increasing the width of the bottom, the groove space is increased, the groove profile of the bottom changes continuously along the direction of the bottom, and the drainage performance is further improved. Figure 3 The sidewall of the longitudinal main groove 1 comprises a first sidewall 101 and a second sidewall 102 connected with the bottom of the longitudinal main groove 1, a third sidewall 103 connecting the first sidewall 101 with the adjacent tread, and a fourth sidewall 104 connecting the second sidewall 102 with the adjacent tread, wherein the angles of the first sidewall 101 and the second sidewall 102 are different, the third sidewall 103 and the fourth sidewall 104 are both perpendicular to the tread, and the vertical heights a of the third sidewall 103 and the fourth sidewall 104 are both 1.5-4 mm.
[0033] The utility model discloses the bottom of the longitudinal main groove 1 is provided with a plurality of convex block structures, and the adjacent convex blocks are connected through sheet-shaped connecting blocks, wherein the convex block comprises a first convex block 5 and a second convex block 6, and two second convex blocks 6 are arranged between the adjacent first convex blocks 5. Figure 4 As shown in the figure, the first convex block 5 is in a cylindrical structure, the diameter b of the bottom surface circle of the cylindrical structure is 2.5-3 mm, and the convex height is 3-4 mm. Figure 5 As shown in the figure, the second convex block 6 is in a cuboid structure, the length of the cuboid structure is 6-8 mm, the width is 3-3.5 mm, and the height is 4-5.5 mm. Figure 6 As shown in the figure, the sheet-shaped connecting block 7 is in a cross-sectional view, the length of the sheet-shaped connecting block 7 is 4-6 mm, the thickness is 1-1.8 mm, and the height is 3 mm. By arranging a plurality of convex block structures with different shapes and different heights on the bottom of the longitudinal main groove 1, the bottom of the longitudinal main groove 1 is protected, the high-pressure air of the longitudinal main groove 1 is blocked from directly penetrating the groove, the normal air flow is disturbed, and the pump effect generated by the longitudinal main groove 1 is reduced. In order to optimize the shape, width and direction of the groove, reduce the pump noise generated when the air is extruded and expanded in the groove, the utility model further provides a mute knurl on the sidewall of the longitudinal main groove 1, the length of the knurl gradually changes according to the bottom, the width of the knurl is 0.6 mm, and the height of the knurl is 0.5-1.0 mm. The above knurl structure is beneficial to reduce the noise.
[0034] The low-noise anti-wet-slip tire pattern of the utility model further comprises a plurality of circumferential pattern blocks arranged along the longitudinal extension of the tread, the circumferential pattern blocks and the longitudinal main grooves 1 are arranged at intervals, the circumferential pattern blocks comprise a middle pattern block 2 located in the middle of the tread, a shoulder pattern block 4 located on both sides of the tread shoulder, and an edge pattern block 3 located between the middle pattern block 2 and the shoulder pattern block 4, wherein the width ratio of the shoulder pattern block 4 to the edge pattern block 3 is (1.3-1.45):1, the width ratio of the middle pattern block 2 to the edge pattern block 3 is (1.1-1.2):1, and the ground contact surface of the shoulder pattern block 4 is designed as a closed shoulder. Through the above structure, the pattern block has high rigidity, small deformation in use, and reduced risk of turning side slip.
[0035] The utility model discloses a plurality of small shoulder flowers 14 structures of the depth of 2-4mm are arranged on the side of shoulder pattern block 4, can improve shoulder heat dissipation performance, promote tire driving safety in dry and wet road surface. Shoulder longitudinal fine groove 12 of linear structure is arranged on shoulder pattern block 4 along the circumference of the tread, and shoulder transverse fine groove 13 of inclination is arranged at intervals on the side of shoulder longitudinal fine groove 12 close to the edge of the tread. Through setting shoulder longitudinal fine groove 12 and the shoulder transverse fine groove 13 of through on shoulder pattern block, the rigidity distribution and impact absorption of tire surface are optimized, and the turning stability and anti-wet-slip performance of tire are enhanced.
[0036] The utility model discloses a plurality of S-shaped edge transverse fine grooves 11 are arranged at intervals on edge pattern block 3, linear structure's edge longitudinal fine groove 10 is arranged on edge pattern block 3 along the circumference of the tread, and edge longitudinal fine groove 10 penetrates the middle part of edge transverse fine groove 11. The bottom of edge transverse fine groove 11 is provided with 3D steel sheet structure, and the structure of 3D steel sheet is shown in the attached Figure 7 The width of 3D steel sheet is 0.5-0.8mm, the depth of 3D steel sheet is 1 / 2-2 / 3 of the depth of longitudinal main groove, and the total width of left and right protrusions of 3D steel sheet is 1.2-2.0mm. The above structure design can reduce the displacement of pattern block while improving the grip, improve the overall performance of tire, and is also conducive to the die drawing during tire production.
[0037] The utility model discloses that linear structure's middle longitudinal fine groove 8 is arranged on middle pattern block 2 along the circumference of the tread, and middle transverse fine groove 9 is arranged at the inflection point of middle longitudinal fine groove 8, and the other end of middle transverse fine groove 9 extends to the adjacent longitudinal main groove 1.
[0038] The low-noise anti-wet-slip tire pattern of the utility model adopts unequal pitch design along the tire circumference, wherein the pitch length ratio of long pitch L, medium pitch M and short pitch S is L:M:S=1.492:1.141:1; the number of long pitches is L', the number of medium pitches is M', and the number of short pitches is S'; the ratio of the total length of long pitch L to the total length of short pitch S is L× L':S × S'=(1.1-1.2):1, the ratio of the length sum of the medium pitch M to the length sum of the short pitch S is M × M':S × S'=(1.1-1.2):1. By adopting the unequal pitch design, optimizing the pitch arrangement, avoiding the same pitch from generating the same frequency resonance, controlling the ratio of the length sum of each pitch, it is beneficial to break the regular noise mode possibly generated by the tire during the rolling process, effectively control the sound wave propagation generated when the tire contacts the ground, reduce the high frequency noise caused by the sharp edges of the pattern blocks or improper arrangement, avoid the so-called "same frequency resonance", make the sound frequency distribution of the tire in the range that the human ear is not easy to detect or distinguish, further reduce the tire noise.
[0039] The above examples are only used to illustrate the technical solutions of the present application, but not to limit it; although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the specific embodiments of the present application can be modified or some technical features can be replaced by equivalent ones; without departing from the spirit of the technical solutions of the present application, all of them should be covered in the technical solution range claimed by the present application.
Claims
1. A low noise wet skid resistant tire pattern characterized in that: The longitudinal main groove has a curved bottom, and the bottom angle of the longitudinal main groove is 10°-19°. A plurality of protrusion structures are arranged at the bottom of the longitudinal main groove, and adjacent protrusions are connected by sheet-shaped connecting blocks. The groove wall of the longitudinal main groove includes a first groove wall and a second groove wall connected with the bottom of the longitudinal main groove, a third groove wall connecting the first groove wall with the adjacent groove wall of the tread, and a fourth groove wall connecting the second groove wall with the adjacent groove wall of the tread, wherein the angles of the first groove wall and the second groove wall are different, and the third groove wall and the fourth groove wall are perpendicular to the tread.
2. A low noise wet skid resistant tyre pattern according to claim 1, characterised in that: The protrusion includes a first protrusion and a second protrusion, and two second protrusions are arranged between adjacent first protrusions. The first protrusion has a cylindrical structure, the diameter of the bottom surface of the cylindrical structure is 2.5-3mm, and the protrusion height is 3-4mm. The second protrusion has a cuboid structure, the length of the cuboid structure is 6-8mm, the width is 3-3.5mm, and the protrusion height is 4-5.5mm.
3. The low noise wet skid resistant tire pattern of claim 1 wherein: The length of the sheet-shaped connecting block is 4-6mm, the thickness is 1-1.8mm, and the height is 3mm.
4. The low noise wet skid resistant tire pattern of claim 1 wherein: The low-noise wet skid-resistant tire pattern also includes a plurality of circumferential blocks arranged along the longitudinal direction of the tread. The circumferential blocks and the longitudinal main grooves are arranged alternately. The circumferential blocks include a middle block located in the middle of the tread, a shoulder block located on both sides of the tread shoulder, and an edge block located between the middle block and the shoulder block. The width ratio of the shoulder block to the edge block is (1.3-1.45):1, and the width ratio of the middle block to the edge block is (1.1-1.2):
1.
5. A low noise wet skid resistant tyre pattern according to claim 4, characterised in that: A shoulder longitudinal fine groove is arranged on the shoulder block along the circumferential direction of the tread. An inclined shoulder transverse fine groove is arranged on one side of the shoulder longitudinal fine groove close to the edge of the tread.
6. A low noise wet skid resistant tyre pattern according to claim 4, characterised in that: A middle longitudinal fine groove with a fold line structure is arranged on the middle block along the circumferential direction of the tread. A middle transverse fine groove is arranged at the inflection point of the fold line. The other end of the middle transverse fine groove extends to the adjacent longitudinal main groove.
7. A low noise wet skid resistant tyre pattern according to claim 4, characterised in that: A plurality of edge transverse fine grooves are arranged on the edge block. An edge longitudinal fine groove is arranged on the edge block along the circumferential direction of the tread, and the edge longitudinal fine groove penetrates the middle of the edge transverse fine groove.
8. A low noise wet skid resistant tyre pattern according to claim 7, characterised in that: The edge transverse fine groove has an S-shaped structure, and the bottom of the edge transverse fine groove is provided with a 3D steel sheet. The width of the 3D steel sheet is 0.5-0.8mm, the depth of the 3D steel sheet is 1 / 2-2 / 3 of the depth of the longitudinal main groove, and the total width of the left and right protrusions of the 3D steel sheet is 1.2-2.0mm.
9. The low noise wet skid resistant tire of claim 1 wherein: The low-noise wet skid-resistant tire pattern adopts an unequal pitch design along the circumferential direction of the tire. The pitch length ratio of the long pitch L, the medium pitch M, and the short pitch S is L:M:S=1.492:1.141:
1. The ratio of the total length of the long pitch L to the total length of the short pitch S is (1.1-1.2):
1. The ratio of the total length of the medium pitch M to the total length of the short pitch S is (1.1-1.2):
1.
10. A tire characterized by: The tire tread is provided with the low-noise wet skid-resistant tire pattern of any one of claims 1-9.