Tire

By using a combination of tensile materials and steel belt layers in the tire, the problem of poor comfort and coverage of semi-steel tires on rough roads is solved, achieving a balance between the tire's flexibility and rigidity, and improving driving comfort and safety.

CN223494199UActive Publication Date: 2025-10-31TIANJIN WANDA TYRE CO LTD
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Patent Information

Application Number
CN202422950537.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-30
Publication Date
2025-10-31
Estimated Expiration
2034-11-30

AI Technical Summary

Technical Problem

Existing semi-steel tires offer poor comfort and coverage on rough roads, and their high rigidity leads to severe wear, making it difficult to meet user needs.

Method used

The first belt layer is made of a material with tensile properties (such as nylon, polyester or aramid), and the second belt layer is combined with a steel belt layer. The design of each layer is tightly connected and reasonably layered to enhance the tire's flexibility and rigidity, and improve its impact resistance and grip.

Benefits of technology

While maintaining tire rigidity, it improves comfort and coverage, reduces wear, enhances fuel economy and driving stability, and extends tire life.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a tire, which belongs to the technical field of tires, and is characterized in that the tire comprises a crown part, and the crown part comprises tread rubber, a bonding rubber layer, a first belted layer, a second belted layer, a carcass ply and a lining layer in sequence from outside to inside; the tread rubber, the bonding rubber layer, the first belted layer, the second belted layer, the carcass ply and the lining layer are sequentially connected, the first belted layer is made of a material with tensile property, nylon, polyester or aramid fiber is adopted as the material with the tensile property, the second belted layer is a steel wire belted layer, and the steel wire belted layer is made of nylon, polyester or aramid fiber. The effect of improving the comfort and the coating performance of the tire is achieved.
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Description

Technical Field

[0001] This application relates to the field of tire technology, and in particular to a tire. Background Technology

[0002] Tires, as an essential component of transportation, play a crucial role in modern transportation systems. With the rapid development of the automotive industry, tire performance directly impacts vehicle safety and comfort. To meet the needs of different road conditions and usage environments, tire design and technology are constantly evolving.

[0003] In existing technologies, semi-steel tires offer advantages such as low rolling resistance and high load capacity, and their tread typically employs two layers of steel belts to enhance tread rigidity. However, when vehicles traverse rough terrain such as rocks and gravel, excessive rigidity can lead to poor tire comfort and coverage, failing to meet user needs. Especially during long-distance driving, such high rigidity significantly reduces the driving experience and may accelerate tire wear. Therefore, improving tire comfort and coverage while maintaining rigidity has become a pressing issue. Utility Model Content

[0004] In order to improve the comfort and coverage of tires, this utility model provides a tire.

[0005] The tire provided by this utility model adopts the following technical solution:

[0006] A tire includes a crown, wherein the crown comprises, from the outside to the inside, a tread compound, an adhesive layer, a first belt layer, a second belt layer, a carcass ply layer, and an inner liner layer, wherein the tread compound, adhesive layer, first belt layer, second belt layer, carcass ply layer, and inner liner layer are connected in sequence, the first belt layer is made of a material with tensile properties, such as nylon, polyester, or aramid, and the second belt layer is a steel belt layer.

[0007] By adopting the above technical solution, the first belt layer uses a material with tensile properties (such as nylon, polyester, or aramid), which increases the tire's flexibility. This improves comfort and coverage on rough roads while maintaining tire rigidity, reducing tire wear during long-distance driving. Simultaneously, the second belt layer uses steel belts, further enhancing tire rigidity and puncture resistance, ensuring tire safety and reliability at high speeds. The second and first belt layers work together to guarantee tire rigidity while improving comfort and coverage. Furthermore, the tight connection and rational layering design between the layers ensure good grip and handling performance under various road conditions.

[0008] Preferably, the width of the first belt layer is greater than the width of the second belt layer.

[0009] By adopting the above technical solution, the width of the first belt layer is greater than the width of the second belt layer, which effectively increases the coverage area of ​​the first belt layer, improves the overall strength and durability of the tire, and reduces the risk of damage caused by local stress concentration. Furthermore, this design also improves the tire's rolling resistance and enhances driving stability.

[0010] Preferably, the belt angle of the first belt layer is the same as that of the second belt layer, but in opposite directions.

[0011] By adopting the above technical solutions, the impact resistance and driving stability of tires can be effectively improved, while reducing the rolling resistance of tires at high speeds, thereby improving fuel economy and ride comfort.

[0012] Preferably, the angle between the belt angle of the first belt layer and the center line of the tire crown is 20 to 50 degrees.

[0013] By adopting the above technical solutions, the rigidity and stability of the tire are effectively improved, while rolling resistance during driving is reduced, thereby improving fuel economy and driving comfort. This design also enhances the tire's grip and resistance to uneven wear at high speeds, extending tire lifespan.

[0014] Preferably, the width of the adhesive layer is the same as the width of the tread rubber.

[0015] By adopting the above technical solution, the width of the adhesive layer is the same as the width of the tread rubber, which can ensure that the adhesive layer fully covers the edge of the tread rubber, improve the bonding strength between the tread rubber and subsequent layers, reduce the possibility of moisture and impurities intrusion, and extend the tire service life.

[0016] Preferably, the adhesive on the second belt layer is a high-viscosity, low-heat-generating adhesive.

[0017] By adopting the above technical solution, the adhesive of the second belt layer uses a high-viscosity, low-heat-generating adhesive, which can significantly improve the bonding strength between the second belt layer and the adjacent layers, while reducing the heat generated by friction, thereby extending the service life of the tire and improving driving safety.

[0018] In summary, this utility model has the following beneficial effects:

[0019] 1. The first belt layer uses a material with tensile properties (such as nylon, polyester, or aramid), which increases the tire's flexibility, thereby improving comfort and coverage on rough roads while maintaining tire rigidity, and reducing tire wear during long-distance driving. Simultaneously, the second belt layer uses steel belts to further enhance tire rigidity and puncture resistance, ensuring tire safety and reliability at high speeds. The second and first belt layers work together to ensure tire rigidity while improving comfort and coverage. Furthermore, the tight connection and rational layering design between the layers allow the tire to maintain good grip and handling performance under various road conditions.

[0020] 2. The first belt layer and the second belt layer have the same belt angle but opposite directions, which can effectively improve the tire's impact resistance and driving stability, while reducing the rolling resistance of the tire at high speeds, improving fuel economy and ride comfort. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of a tire.

[0022] Figure 2 yes Figure 1 An enlarged schematic diagram of part A in the middle.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Tread compound; 2. Adhesive layer; 3. First belt layer; 4. Second belt layer; 5. Carcass ply; 6. Inner liner; 7. Sidewall compound. Detailed Implementation

[0025] To enable those skilled in the art to better understand the technical solutions in this specification, the technical solutions in the embodiments of this specification will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this application, and not all embodiments.

[0026] In the description of the embodiments of this application, the words "for example" or "for instance" are used to indicate examples, illustrations, or explanations. Any embodiment or design that is described as "for example" or "for instance" in the embodiments of this application should not be construed as being more preferred or advantageous than other embodiments or design options. Rather, the use of the words "for example" or "for instance" is intended to present the relevant concepts in a specific manner.

[0027] In the description of the embodiments of this application, the term "multiple" means two or more. For example, multiple systems means two or more systems, and multiple screen terminals means two or more screen terminals. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the indicated technical features. Thus, a feature defined with "first" or "second" may explicitly or implicitly include one or more of that feature. The terms "comprising," "including," "having," and variations thereof all mean "including but not limited to," unless otherwise specifically emphasized.

[0028] A type of tire, reference Figure 1 and Figure 2 The tire includes a crown, which consists of, from the outside in, a tread rubber 1, an adhesive layer 2, a first belt layer 3, a second belt layer 4, a carcass ply layer 5, and an inner liner layer 6. The tread rubber 1, adhesive layer 2, first belt layer 3, second belt layer 4, carcass ply layer 5, and inner liner layer 6 are sequentially and fixedly connected. The first belt layer 3 is made of a material with tensile properties, such as nylon, polyester, or aramid. The second belt layer 4 is a steel belt layer.

[0029] The first belt layer 3 uses a material with tensile properties (such as nylon, polyester, or aramid), which increases the tire's flexibility. This improves comfort and coverage on rough roads while maintaining tire rigidity, reducing tire wear during long-distance driving. Meanwhile, the second belt layer 4 uses steel belts, further enhancing tire rigidity and puncture resistance, ensuring safety and reliability at high speeds. The second belt layer 4 and the first belt layer 3 work together to ensure tire rigidity while improving comfort and coverage. Furthermore, the tight connection and rational layering design between the layers allow the tire to maintain good grip and handling performance under various road conditions.

[0030] Reference Figure 2 The width of the first belt layer 3 is greater than the width of the second belt layer 4, which can effectively increase the coverage area of ​​the first belt layer 3, improve the overall strength and durability of the tire, and reduce the risk of damage caused by local stress concentration.

[0031] Reference Figure 2 The angle between the belt angle of the first belt layer 3 and the center line of the tire crown is 20 to 50 degrees. The belt angle of the second belt layer 4 is the same as that of the first belt layer 3, but in the opposite direction.

[0032] This design effectively improves tire rigidity and stability while reducing rolling resistance during driving, thereby enhancing fuel economy and driving comfort. It also improves tire grip and resistance to uneven wear at high speeds, extending tire lifespan.

[0033] Reference Figure 2 The width of the adhesive layer 2 is the same as the width of the tread compound 1, which ensures that the adhesive layer 2 fully covers the edge of the tread compound 1, improves the bonding strength between the tread compound 1 and subsequent layers, reduces the possibility of moisture and impurities intrusion, and extends the tire service life.

[0034] Reference Figure 2 The adhesive of the second belt layer 4 is a high-viscosity, low-heat-generating adhesive, which can significantly improve the bonding strength between the second belt layer 4 and the adjacent layers, while reducing the heat generated by friction, thereby extending the tire's service life and improving driving safety.

[0035] Reference Figure 2 In this embodiment, the tire carcass ply layer 5 is provided with two layers.

[0036] Reference Figure 1 The tire sidewall is provided with a sidewall rubber 7, which is located on the outside of the tire carcass ply 5 and is fixedly connected to the tire carcass ply 5.

[0037] The operating principle of this application is as follows: During use, the tight connection and reasonable layer design between each layer enable the tire to maintain good grip and handling performance under various road conditions. Specifically, the first belt layer 3 uses a material with tensile properties (such as nylon, polyester, or aramid), which increases the tire's flexibility; the second belt layer 4 uses a steel belt layer, further improving the tire's rigidity and puncture resistance, ensuring the tire's safety and reliability at high speeds; the second belt layer 4 and the first belt layer 3 work together to ensure tire rigidity while improving tire comfort and coverage.

[0038] The embodiments described herein are preferred embodiments of this utility model and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape, and principle of this utility model should be included within the scope of protection of this utility model.

Claims

1. A tire, comprising a crown, characterized in that: The crown consists of, from the outside to the inside, a tread rubber (1), an adhesive layer (2), a first belt layer (3), a second belt layer (4), a carcass ply layer (5), and an inner liner layer (6), and the tread rubber (1), adhesive layer (2), first belt layer (3), second belt layer (4), carcass ply layer (5), and inner liner layer (6) are connected in sequence. The first belt layer (3) is made of a material with tensile properties, such as nylon, polyester, or aramid. The second belt layer (4) is a steel belt layer.

2. The tire according to claim 1, characterized in that: The width of the first belt layer (3) is greater than the width of the second belt layer (4).

3. A tire according to claim 1 or 2, characterized in that: The belt angle of the first belt layer (3) is the same as that of the second belt layer (4), but the directions are opposite.

4. A tire according to claim 3, characterized in that: The angle between the belt angle of the first belt layer (3) and the center line of the tire crown is 20 to 50 degrees.

5. A tire according to claim 1, characterized in that: The width of the adhesive layer (2) is the same as the width of the tread rubber (1).

6. A tire according to claim 1, characterized in that: The adhesive on the second belt layer (4) is a high-viscosity, low-heat-generating adhesive.