Low noise tyre

Abstract

The utility model belongs to tire technical field, and disclose a kind of low-noise tire, comprising: tire body, the tire body is sequentially provided with tread layer, sound insulation layer, carcass layer and inner liner from outside to inside, the hub is installed in the tire body inside, the transition layer and shoulder layer are sequentially provided in the tire body two sides, the central region of the tread layer is equipped with multiple groups of strip patterns, the strip pattern is distributed in annular mode and adjacent strip pattern is staggered arrangement, two groups of wave patterns are opened in the tread layer, two groups of wave patterns are located in the two sides of strip pattern respectively, the tread layer is evenly distributed with multiple groups of honeycomb patterns, the utility model is equipped with multiple groups of strip patterns by the multiple patterns design of tread layer, the unique structure of wave pattern and honeycomb pattern is combined, and the synergistic effect of mounting groove and trapezoidal lug is achieved, and excellent grip, accurate control and low-noise performance under various road conditions are realized.

Description

Technical Field

[0001] This utility model belongs to the field of tire technology, specifically relating to a low-noise tire. Background Technology

[0002] Tires are key components of a vehicle that come into direct contact with the ground. Primarily made of rubber, they are mounted on the wheel rim. Their core functions include bearing the vehicle's weight, providing the necessary traction for forward, reverse, and steering, absorbing shocks and vibrations from the road surface to improve ride comfort, and efficiently transmitting engine power to the ground to ensure vehicle acceleration, deceleration, and maintaining a stable speed. Furthermore, through their unique design and material selection, tires not only provide handling stability but also reduce road noise, enhancing the driving experience.

[0003] Typically, pneumatic tires work with the air inside to absorb vibrations caused by uneven road surfaces. During driving, the tire deforms due to the curvature and surface conditions of the road, generating turbulence within the tire. This air turbulence, especially within the cavities of the wheel and tire assembly, can generate noise. To reduce this noise, a layer of sound-absorbing material is usually adhered to the inner surface of the tire. However, with prolonged tire use, deformation and frictional heat can cause the sound-absorbing material to deform, break, or the adhesive connecting the material to the tire to melt, eventually leading to the material detaching and a reduction in noise reduction effectiveness. Therefore, there is an urgent need to design a more durable and effective low-noise tire. Utility Model Content

[0004] The purpose of this invention is to provide a low-noise tire to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a low-noise tire, comprising: a tire body, wherein the tire body is provided with a tread layer, a sound insulation layer, a carcass layer and an inner liner layer in sequence from the outside to the inside; a wheel hub is installed inside the tire body; a transition layer and a shoulder layer are provided in sequence on both sides of the tire body; multiple sets of strip patterns are formed in the central area of ​​the tread layer; the strip patterns are distributed in a ring and adjacent strip patterns are arranged in an alternating pattern; two sets of wavy patterns are formed on the tread layer, the two sets of wavy patterns are located on both sides of the strip patterns; multiple sets of honeycomb patterns are evenly distributed on the tread layer, the honeycomb patterns are distributed in the area between the tread layer and the transition layer; multiple sets of mounting grooves are evenly formed on the transition layer, and a trapezoidal protrusion is installed in each set of mounting grooves.

[0006] Through the above technical solution:

[0007] When in use, the tread layer, as the outermost layer of the tire, is in direct contact with the ground and is key to achieving excellent grip and driving comfort. Its carefully designed tread pattern effectively increases the "micro-contact area" between the tire and the ground when driving in a straight line. This design not only improves tire grip on dry roads but also significantly enhances ride quietness by reducing unnecessary vibrations. The adjacent tread patterns are arranged in an alternating pattern; this unique layout effectively disperses impact frequencies and avoids resonance superposition, further reducing driving noise and providing a quieter driving environment for the driver.

[0008] Inspired by fluid dynamics in nature, the wave-like tread pattern provides more precise handling response during vehicle cornering. This pattern not only enhances the tire's ability to deform tread blocks during cornering, effectively preventing rigid breakage, but also maintains excellent stability under various road conditions. This design allows the tire to respond quickly to driver input during high-speed driving or emergency cornering, ensuring driving safety.

[0009] The honeycomb pattern uses a hexagonal honeycomb structure, a biomimetic design inspired by one of nature's most robust structures—the honeycomb. Its unique hexagonal arrangement not only enhances the tire's rigidity and durability but also improves the deformation capacity of the tread blocks during cornering, preventing rigidity fracture. More importantly, the honeycomb cells can store a small amount of water film; when driving on wet surfaces, this design effectively enhances the tire's wet grip, ensuring vehicle stability and safety on slippery roads.

[0010] The mounting slots are evenly distributed on the transition layer, and each set of mounting slots contains a trapezoidal protrusion. This design allows the trapezoidal protrusions to embed into microscopic gaps in the road surface when the vehicle turns, significantly improving lateral grip, especially on unpaved roads. This enhanced grip effectively reduces skidding, ensuring vehicle handling and stability in complex road conditions.

[0011] In summary, this low-noise tire achieves superior grip, precise handling, and low noise performance across various road conditions through its multi-pattern tread design, combining a unique structure of wave-shaped and honeycomb patterns, and the synergistic effect of mounting grooves and trapezoidal protrusions. Whether on dry or wet roads, whether driving straight or steering, this tire provides drivers with a safe, comfortable, and quiet driving experience.

[0012] The tread layer is made of rubber with a Shore hardness of 60-65A, and the rubber contains a silane coupling agent.

[0013] Preferably, the carcass layer is made of rubber with a Shore hardness of 68-72A, and carbon black and fiber are added to the rubber.

[0014] Preferably, the inner lining layer is made of rubber with a Shore hardness of 75-80A, and the rubber contains rigid fillers.

[0015] Through the above technical solution:

[0016] In use, the tread layer, as the part of the tire that directly contacts the ground, is made of rubber with a Shore hardness of 60-65A. This rubber material is formulated with the addition of a silane coupling agent. This highly efficient additive significantly enhances the adhesion between the rubber and other tire components, thereby greatly improving the overall strength and durability of the tread layer. The application of the silane coupling agent not only improves the structural stability of the tread layer but also endows it with excellent wear resistance, enabling it to maintain excellent grip under various complex road conditions. In addition, the lower hardness range gives the tread layer good flexibility. This flexibility not only improves the tire's grip on dry roads but also provides better cushioning on wet or uneven roads, ensuring driving comfort and safety.

[0017] The carcass, as the main structural support layer of the tire, is made of rubber with a Shore hardness of 68-72A. Carbon black and fibers are added to the rubber; this combination of materials gives the carcass excellent mechanical properties. Carbon black, as a reinforcing agent, significantly improves the strength, abrasion resistance, and tear resistance of the rubber, making it an indispensable additive in modern tire manufacturing. Its superior performance allows the carcass to maintain stable structural integrity under various driving conditions. The fibers are typically high-strength polyester or nylon fibers, which are evenly distributed within the rubber matrix to enhance the structural strength and stability of the carcass. The addition of fibers not only improves the load-bearing capacity of the carcass but also allows it to better cope with stress changes in different directions, ensuring tire stability during high-speed driving or sharp cornering. A medium hardness range ensures that the carcass provides sufficient support while maintaining a certain degree of flexibility. This balanced design allows the tire to effectively cope with stress changes under various driving conditions, providing durable and reliable performance.

[0018] The innermost layer of the tire is made of rubber with a Shore A hardness of 75-80A. This rubber contains rigid fillers, such as silica or calcium carbonate, which significantly improve the rubber's rigidity and airtightness. The use of rigid fillers gives the inner liner excellent compressive strength and abrasion resistance, effectively preventing air leakage and ensuring stable internal tire pressure. This design not only extends tire lifespan but also improves its safety and reliability under various road conditions. The high hardness range allows the inner liner to maintain good airtightness while also possessing excellent abrasion resistance and compressive strength.

[0019] In summary, this low-noise tire achieves superior performance through its meticulously designed multi-layer structure. The flexibility and wear resistance of the tread layer, the strength and stability of the carcass layer, and the airtightness and pressure resistance of the inner liner layer together constitute a high-performance, low-noise tire structure. This design not only improves the tire's grip, comfort, and safety but also extends its lifespan, providing drivers with a durable and reliable driving experience. Whether on city roads or off-road conditions, this tire demonstrates excellent performance, meeting the diverse needs of drivers.

[0020] The sound insulation layer uses sound insulation material, which is composed of polyurethane foam, butyl rubber, porous rubber and composite fiber material.

[0021] Preferably, a foam rubber strip is embedded in the transition layer, and the foam rubber strip is evenly distributed along the circumference of the tire.

[0022] Through the above technical solution:

[0023] In use, the sound insulation layer is located below the tread layer and above the carcass layer, and is composed of a combination of various advanced materials, including:

[0024] Polyurethane foam: Its porous structure effectively absorbs noise and reduces the overall noise level;

[0025] Butyl rubber: Its high damping properties suppress vibration and noise transmission while maintaining airtightness;

[0026] Porous rubber: enhances sound absorption and provides good elasticity and durability;

[0027] Composite fiber materials: enhance structural strength and provide additional sound absorption and heat insulation effects.

[0028] The synergistic effect of these materials enables the sound insulation layer to effectively absorb and dissipate sound waves, suppress vibrations, and ensure the quiet performance of the tires under various road conditions, providing drivers with a quieter driving experience.

[0029] Foam rubber strips are embedded in the transition layer. These rubber strips are evenly distributed along the tire circumference. The foam rubber strips have good elasticity and sound absorption properties, effectively absorbing and dissipating vibration and noise. The even distribution ensures that the sound absorption and vibration reduction effect of the transition layer is consistent in all directions, improving the tire's quietness performance, while enhancing stability and comfort under different road conditions.

[0030] In summary, through the synergistic design of the sound insulation layer and transition layer, this tire achieves highly efficient noise control. The combined application of multiple materials, along with the even distribution of foam rubber strips, ensures low noise and comfort under various driving conditions, while also considering durability and safety, providing drivers with a quieter, more comfortable, and reliable driving experience.

[0031] Compared with the prior art, the beneficial effects of this utility model are:

[0032] (1) This utility model achieves excellent grip, precise control and low noise performance under various road conditions by using the multi-pattern design of the tread layer, combined with the unique structure of wave pattern and honeycomb pattern, as well as the synergistic effect of mounting groove and trapezoidal protrusion.

[0033] (2) This utility model achieves excellent performance through the design of each layer structure. The flexibility and wear resistance of the tread layer, the strength and stability of the carcass layer, and the air tightness and pressure resistance of the inner liner layer together constitute a high-performance, low-noise tire structure.

[0034] (3) Through the synergistic design of the sound insulation layer and the transition layer, this tire achieves efficient noise control. The combined application of multiple materials and the uniform distribution of foam rubber strips ensure low noise and comfort of the tire under various driving conditions. Attached Figure Description

[0035] Figure 1 This is a schematic diagram of the structure of this utility model;

[0036] Figure 2 This is an exploded three-dimensional structural diagram of the present invention;

[0037] Figure 3 This is a schematic diagram of the sound insulation layer of this utility model;

[0038] Figure 4 This is a schematic diagram of the striped pattern structure of this utility model;

[0039] Figure 5 This is a schematic diagram of the honeycomb pattern structure of this utility model;

[0040] In the diagram: 1. Tire body; 2. Tread layer; 3. Sound insulation layer; 4. Carcass layer; 5. Inner liner layer; 6. Rim; 7. Transition layer; 8. Shoulder layer; 9. Striped pattern; 10. Wavy pattern; 11. Honeycomb pattern; 12. Mounting groove; 13. Trapezoidal protrusion. Detailed Implementation

[0041] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0042] Please see Figures 1-5As shown, this utility model provides the following technical solution: a low-noise tire, comprising: a tire body 1, wherein the tire body 1 is provided with a tread layer 2, a sound insulation layer 3, a carcass layer 4 and an inner liner layer 5 in sequence from the outside to the inside; a wheel hub 6 is installed inside the tire body 1; a transition layer 7 and a shoulder layer 8 are provided on both sides of the tire body 1 in sequence; multiple sets of strip patterns 9 are provided in the central area of ​​the tread layer 2, the strip patterns 9 are distributed in a ring and adjacent strip patterns 9 are arranged in an alternating manner; two sets of wavy patterns 10 are provided on the tread layer 2, the two sets of wavy patterns 10 are respectively located on both sides of the strip patterns 9; multiple sets of honeycomb patterns 11 are evenly distributed on the tread layer 2, the honeycomb patterns 11 are distributed in the area between the tread layer 2 and the transition layer 7; multiple sets of mounting grooves 12 are evenly provided on the transition layer 7, and a trapezoidal protrusion 13 is installed in each set of mounting grooves 12.

[0043] Through the above technical solution:

[0044] During use, the tread layer 2, as the outermost layer of the tire, directly contacts the ground and is key to achieving excellent grip and driving comfort. Its carefully designed stripe pattern 9 effectively increases the "micro-contact area" between the tire and the ground when driving in a straight line. This design not only improves tire grip on dry roads but also significantly enhances driving quietness by reducing unnecessary vibrations. Adjacent stripes 9 are arranged in an alternating pattern; this unique layout effectively disperses impact frequencies and avoids resonance superposition, further reducing driving noise and providing a quieter driving environment for the driver.

[0045] The wave-pattern 10 tire design is inspired by fluid dynamics in nature. Its streamlined wave structure provides more precise handling response during vehicle cornering. The wave-pattern 10 not only enhances the tire's ability to deform tread blocks during cornering, effectively preventing rigid breakage, but also maintains excellent stability under various road conditions. This design allows the tire to respond quickly to driver input during high-speed driving or emergency cornering, ensuring driving safety.

[0046] The Honeycomb Pattern 11 uses a hexagonal honeycomb structure, a biomimetic design inspired by one of nature's most robust structures—the honeycomb. Its unique hexagonal arrangement not only enhances tire rigidity and durability but also improves the deformation capacity of the tread blocks during cornering, preventing rigid breakage. More importantly, the honeycomb cells can store a small amount of water film; when driving on wet surfaces, this design effectively enhances the tire's wet grip, ensuring vehicle stability and safety on slippery roads.

[0047] Mounting slots 12 are evenly distributed on the transition layer 7, and each set of mounting slots 12 contains a trapezoidal protrusion 13. This design allows the trapezoidal protrusion 13 to embed into microscopic gaps in the road surface when the vehicle is turning, significantly improving the tire's lateral grip, especially on unpaved roads. This enhanced grip effectively reduces sideslip, ensuring the vehicle's handling and stability in complex road conditions.

[0048] In summary, this low-noise tire achieves superior grip, precise handling, and low noise performance across various road conditions through the multi-pattern design of tread layer 2, combined with the unique structure of wave-shaped tread 10 and honeycomb tread 11, and the synergistic effect of mounting groove 12 and trapezoidal protrusions 13. Whether on dry or wet roads, whether driving straight or steering, this tire provides drivers with a safe, comfortable, and quiet driving experience.

[0049] Please see Figures 1-3 As shown, the tread layer 2 is made of rubber with a Shore hardness of 60-65A, and silane coupling agent is added to the rubber.

[0050] Furthermore, the carcass layer 4 is made of rubber with a Shore hardness of 68-72A, and carbon black and fibers are added to the rubber.

[0051] Furthermore, the inner liner 5 is made of rubber with a Shore hardness of 75-80A, and the rubber contains rigid fillers.

[0052] Through the above technical solution:

[0053] In use, tread layer 2, as the part of the tire that directly contacts the ground, is made of rubber with a Shore hardness of 60-65A. This rubber material is formulated with the addition of a silane coupling agent. This highly efficient additive significantly enhances the adhesion between the rubber and other tire components, thereby greatly improving the overall strength and durability of tread layer 2. The application of the silane coupling agent not only improves the structural stability of tread layer 2 but also endows it with excellent wear resistance, enabling it to maintain excellent grip under various complex road conditions. In addition, the lower hardness range gives tread layer 2 good flexibility. This flexibility not only improves the tire's grip on dry roads but also provides better cushioning on wet or uneven roads, ensuring driving comfort and safety.

[0054] Carcass layer 4, as the main structural support layer of the tire, is made of rubber with a Shore hardness of 68-72A. Carbon black and fibers are added to the rubber; this combination of materials gives carcass layer 4 excellent mechanical properties. Carbon black, as a reinforcing agent, significantly improves the strength, abrasion resistance, and tear resistance of the rubber, making it an indispensable additive in modern tire manufacturing. Its superior performance allows carcass layer 4 to maintain stable structural integrity under various driving conditions. The fibers are typically high-strength polyester or nylon fibers, which are evenly distributed within the rubber matrix to enhance the structural strength and stability of carcass layer 4. The addition of fibers not only improves the load-bearing capacity of carcass layer 4 but also allows it to better cope with stress changes in different directions, ensuring tire stability during high-speed driving or sharp cornering. The medium hardness range ensures that carcass layer 4 provides sufficient support while maintaining a certain degree of flexibility. This balanced design allows the tire to effectively cope with stress changes under various driving conditions, providing durable and reliable performance.

[0055] The innermost layer of the tire, liner 5, is made of rubber with a Shore A hardness of 75-80A. The rubber contains rigid fillers, such as silica or calcium carbonate, which significantly improve the rubber's rigidity and airtightness. The use of rigid fillers gives liner 5 excellent compressive strength and abrasion resistance, effectively preventing air leakage and ensuring stable internal tire pressure. This design not only extends tire lifespan but also improves its safety and reliability under various road conditions. The high hardness range allows liner 5 to maintain good airtightness while also possessing excellent abrasion resistance and compressive strength.

[0056] In summary, this low-noise tire achieves superior performance through its meticulously designed layer structure. The flexibility and wear resistance of tread layer 2, the strength and stability of carcass layer 4, and the airtightness and pressure resistance of inner liner layer 5 together constitute a high-performance, low-noise tire structure. This design not only improves tire grip, comfort, and safety but also extends its lifespan, providing drivers with a durable and reliable driving experience. Whether on city roads or off-road conditions, this tire demonstrates excellent performance, meeting the diverse needs of drivers.

[0057] Please see Figures 1-4 As shown, the sound insulation layer 3 uses sound insulation material, which is composed of polyurethane foam, butyl rubber, porous rubber and composite fiber material.

[0058] Furthermore, foam rubber strips are embedded in the transition layer 7, and the foam rubber strips are evenly distributed along the tire circumference.

[0059] Through the above technical solution:

[0060] In use, the sound insulation layer 3 is located below the tread layer 2 and above the carcass layer 4, and is composed of a combination of various advanced materials, including:

[0061] Polyurethane foam: Its porous structure effectively absorbs noise and reduces the overall noise level;

[0062] Butyl rubber: Its high damping properties suppress vibration and noise transmission while maintaining airtightness;

[0063] Porous rubber: enhances sound absorption and provides good elasticity and durability;

[0064] Composite fiber materials: enhance structural strength and provide additional sound absorption and heat insulation effects.

[0065] The synergistic effect of these materials enables the sound insulation layer 3 to effectively absorb and dissipate sound waves, suppress vibrations, and ensure the quiet performance of the tires under various road conditions, providing drivers with a quieter driving experience.

[0066] Foam rubber strips are embedded in the transition layer 7. These rubber strips are evenly distributed along the tire circumference. The foam rubber strips have good elasticity and sound absorption properties, effectively absorbing and dissipating vibration and noise. The even distribution ensures that the sound absorption and vibration reduction effect of the transition layer 7 is consistent in all directions, improving the tire's quietness performance, while enhancing stability and comfort under different road conditions.

[0067] In summary, through the synergistic design of the sound insulation layer 3 and the transition layer 7, this tire achieves highly efficient noise control. The combined application of multiple materials, along with the even distribution of foam rubber strips, ensures low noise and comfort under various driving conditions, while also considering durability and safety, providing drivers with a quieter, more comfortable, and reliable driving experience.

[0068] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A low-noise tire, characterized in that, include: The tire body (1) is provided with a tread layer (2), a sound insulation layer (3), a carcass layer (4) and an inner liner layer (5) in sequence from the outside to the inside. A wheel hub (6) is installed inside the tire body (1). A transition layer (7) and a shoulder layer (8) are provided on both sides of the tire body (1) in sequence. Multiple sets of strip patterns (9) are opened in the central area of ​​the tread layer (2). The strip patterns (9) are distributed in a ring and adjacent strip patterns (9) are staggered. The tread layer (2) has two sets of wavy patterns (10) on it. The two sets of wavy patterns (10) are located on both sides of the strip pattern (9). The tread layer (2) has multiple sets of honeycomb patterns (11) evenly distributed on it. The honeycomb patterns (11) are distributed in the area between the tread layer (2) and the transition layer (7). The transition layer (7) has multiple sets of mounting grooves (12) evenly distributed on it. Each set of mounting grooves (12) has a trapezoidal protrusion (13) installed in it.

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