Low-noise tire
By setting serrated noise-absorbing blocks and asymmetrical sidewall tread fragments on the sidewalls of the tire tread grooves, the problem of high tire noise during driving is solved, achieving a low-noise design and improving vehicle driving comfort.
Patent Information
- Application Number
- CN202520129818.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-20
- Publication Date
- 2026-02-24
- Estimated Expiration
- 2035-01-20
AI Technical Summary
Existing tires produce a sharp noise during driving due to the sudden release of air from the tread grooves, affecting the driving comfort of the vehicle.
Serrated noise-absorbing blocks and irregularly arranged tread blocks are set on the sidewalls of the tread grooves, combined with asymmetrical tread fragments on the tire sidewalls, to reduce noise through noise-absorbing cutting and the principle of a noise-absorbing chamber.
It effectively reduces tire noise, improves vehicle driving comfort, reduces wind noise and resonance noise, and enhances noise decomposition.
Smart Images
Figure CN223934473U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of tire technology, and in particular to a low-noise tire. Background Technology
[0002] Some tires have large and deep tread grooves. When the vehicle is driving, the tread blocks press against the road surface, and the air in the tread grooves is compressed. When the tread blocks leave the road surface, the air in the grooves is suddenly released, forming a squeezing and releasing action. This produces a sharp tire noise, like the sound of firecrackers exploding. The noise is loud and seriously affects the driving comfort of the vehicle. Utility Model Content
[0003] In order to solve the above-mentioned technical problems, this utility model provides a low-noise tire that can effectively reduce the noise generated by the tire when the vehicle is running and improve the driving comfort of the vehicle.
[0004] To achieve the above objectives, the present invention employs the following technical solution: a low-noise tire, comprising a tread, wherein a plurality of tread blocks are provided on the tread, tread grooves are formed between the tread blocks, and serrated noise-absorbing blocks are provided on the tread grooves.
[0005] As a further improvement of this utility model, the serrated noise-absorbing block includes a plurality of triangular prisms, which are continuously arranged along the sidewall of the patterned groove.
[0006] As a further improvement of this utility model, a plurality of sawtooth-shaped noise-absorbing blocks are provided, and the plurality of sawtooth-shaped noise-absorbing blocks are all provided on the side wall of the patterned groove, and the positions of the sawtooth-shaped noise-absorbing blocks on the side wall are irregularly arranged.
[0007] As a further improvement of this utility model, the patterned block is provided with a dividing groove, which divides the patterned block into at least two different area regions, and the area ratio between the different area regions is an irrational number.
[0008] As a further improvement of this utility model, the patterned block has an overall L-shaped structure, and the sidewall of the patterned block is provided with several bends, the position and shape of which are irregularly arranged.
[0009] As a further improvement of this utility model, the patterned groove includes a longitudinal main groove, a transverse main groove, and a T-groove. With the X-axis as the reference, the longitudinal main groove forms an angle of 40-50° with the X-axis, the transverse main groove forms an angle of 130-140° with the X-axis, and the T-groove includes a vertical side and a horizontal side. The vertical side forms an angle of 40-50° with the X-axis, and the horizontal side forms an angle of 130-140° with the X-axis.
[0010] As a further improvement of this utility model, tire sidewalls are provided on the left and right sides of the tire tread, and the tire sidewalls are densely covered with small tread fragments, and the tread fragments on the left and right sides are asymmetrically arranged.
[0011] The beneficial effects of this utility model are as follows: In this utility model, a serrated noise-absorbing block is set on the tread groove. When the tread block contacts the road surface, the serrated noise-absorbing block can cut and silence the gas in the tread groove, reduce the bursting sound released after the gas is squeezed, thereby effectively reducing the noise generated by the tires when the vehicle is driving and improving the driving comfort of the vehicle. Attached Figure Description
[0012] Figure 1 This is a schematic diagram of the overall structure of this utility model;
[0013] Figure 2 for Figure 1 Enlarged view of a portion of point A in the middle;
[0014] Marking descriptions: 1. Tread block 2. Segment groove 21. Area 22. Angle 23. Tread groove 3. Longitudinal main groove 31. Transverse main groove 32. T groove 33. Sawtooth muffler block 4. Triangular prism 41. Sidewall 5. Tread fragment 6. Detailed Implementation
[0015] The present invention will be further described below with reference to the accompanying drawings and specific embodiments.
[0016] like Figure 1 As shown, a low-noise tire includes a tread 1 with a plurality of tread blocks 2 forming tread grooves 3. A plurality of serrated noise-absorbing blocks 4 are arranged on the sidewalls of the tread grooves 3. The serrated noise-absorbing blocks 4 are spaced apart, with irregular spacing and positions. Each serrated noise-absorbing block 4 includes a plurality of triangular prisms 41, the number of which is variable but at least two. The height of each prism 41 matches the height of the sidewalls of the tread grooves 3, and the serrated prisms 41 are arranged continuously along the sidewalls of the tread grooves 3. Through this arrangement, when the tread blocks 2 contact the road surface, the serrated noise-absorbing blocks 4 can cut and silence the gas in the tread grooves 3, reducing the bursting sound released after the gas is compressed, thereby effectively reducing the noise generated by the tire during vehicle operation and improving driving comfort.
[0017] Furthermore, the tread block 2 is provided with a dividing groove 21, which divides the tread block 2 into at least two different area regions 22. The area ratio between the different area regions 22 is an irrational number. This setting can reduce the resonance generated when the tread block 2 hits the road surface and the sound when it hits the road surface, thereby reducing tire vibration noise.
[0018] Furthermore, the tread block 2 has an overall L-shaped structure, and the sidewall of the tread block 2 is provided with several bends 23. The position and shape of the bends 23 are irregularly arranged. The bends 23 make the tread block 2 form an irregular L-shaped structure, so that there is no fixed uniform angle between the tread block 2 and the internal skeleton material of the tire, thereby reducing the sound resonance generated by the friction of the internal material. At the same time, the setting of the irregular bends 23 makes the gas flow in the tread groove 3 as if it were traveling in a polygonal inner liner muffler, and the noise energy is quickly decomposed, further improving the noise reduction effect.
[0019] Furthermore, the tread groove 3 includes a longitudinal main groove 31, a transverse main groove 32, and a T-groove 33. With the X-axis as a reference, the longitudinal main groove 31 forms an angle of 40–50° with the X-axis, the transverse main groove 32 forms an angle of 130–140° with the X-axis, and the T-groove 33 includes a vertical side and a horizontal side. The vertical side forms an angle of 40–50° with the X-axis, and the horizontal side forms an angle of 130–140° with the X-axis. This angle setting allows the tread to match the angles of the tire's internal skeleton material, thereby reducing internal tire noise and minimizing heat generated inside the tire during high-speed movement.
[0020] Furthermore, sidewalls 5 are provided on both sides of the tread 1. The sidewalls 5 are densely covered with irregularly shaped, small tread fragments 6, and the tread fragments 6 on the left and right sides are asymmetrically arranged. The arrangement of the tread fragments 6 is based on the principle of the anechoic chamber. Some tires generally have larger tread patterns on the sidewalls 5, which can generate greater wind noise when rotating at high speeds. The asymmetrical arrangement of small tread fragments 6 on the left and right sidewalls 5 can reduce wind noise, further reduce tire noise, and improve driving comfort.
[0021] The above-described embodiments are only for illustrative purposes and are not intended to limit the present invention in any way. Any person skilled in the art who makes partial modifications or alterations to the technical content disclosed in the present invention without departing from the scope of the technical features of the present invention shall still fall within the scope of the technical features of the present invention.
Claims
1. A low-noise tire, comprising a tread, wherein a plurality of tread blocks are provided on the tread, and tread grooves are formed between the tread blocks, characterized in that: The patterned groove is provided with a serrated sound-absorbing block; the patterned block is provided with a dividing groove, which divides the patterned block into at least two different area regions, and the area ratio between the different area regions is an irrational number.
2. The low-noise tire according to claim 1, characterized in that: The serrated sound-absorbing block comprises several triangular prisms arranged continuously along the sidewalls of the patterned groove.
3. A low-noise tire according to claim 1, characterized in that: The serrated noise-absorbing blocks are provided in several units, and each serrated noise-absorbing block is set on the side wall of the patterned groove. The positions of the serrated noise-absorbing blocks on the side wall are irregularly arranged.
4. A low-noise tire according to claim 1, characterized in that: The patterned block has an overall L-shaped structure, and the sidewalls of the patterned block are provided with several bends, the positions and shapes of which are irregularly arranged.
5. A low-noise tire according to claim 1, characterized in that: The patterned groove includes a longitudinal main groove, a transverse main groove, and a T-groove. With the X-axis as the reference, the longitudinal main groove forms an angle of 40-50° with the X-axis, the transverse main groove forms an angle of 130-140° with the X-axis, and the T-groove includes a vertical side and a horizontal side. The vertical side forms an angle of 40-50° with the X-axis, and the horizontal side forms an angle of 130-140° with the X-axis.
6. A low-noise tire according to claim 1, characterized in that: The tire tread has sidewalls on both the left and right sides, and the sidewalls are densely covered with small tread fragments, and the tread fragments on the left and right sides are asymmetrically arranged.