Gas-retaining tire with tire body rubber coating function

By designing gas-resistant tires with carcass covering function in the tire, including a combination of multi-layer structures, the problem of low production efficiency caused by the large variety of rubber in the existing tire production is solved, and more environmentally friendly and efficient tire production and use is achieved.

CN222793138UActive Publication Date: 2025-04-25SHANDONG LINGLONG TIRE CO LTD
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Patent Information

Application Number
CN202421624710.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-04-25
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

In the existing tire production and processing, due to the large variety of rubber materials between the carcass frame material and the inner cavity of the tire, the production and forming efficiency are low.

Method used

The gas-resistant tire design with carcass coating function is adopted, including carcass coating layer, carcass layer, steel wire tow ring, sidewall, steel ribbon tie layer, tire cord layer, crown belt layer, anti-puncture layer, tread and reinforcement. Through the combination of these layers, the types of glue are reduced and the gas-resistant and anti-puncture effect of the tire is improved.

Benefits of technology

By reducing the types of rubber, material consumption is reduced, production efficiency is improved, and the gas-saving performance and service life of the tire are guaranteed.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222793138U_ABST
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Abstract

The utility model belongs to the technical field of tires, and particularly relates to a gas-retaining tire with a tire body rubber coating function, which comprises a tire body rubber coating layer, a tire body layer is arranged on the outer side of the tire body rubber coating layer, a steel wire bundle ring is arranged between the tire body layer and the tire body rubber coating layer, and a tire side is arranged on the outer side of the tire body layer. A steel wire belt ply is arranged on the upper side of the tire side wall, the steel wire belt ply is in contact with the tire body layer, and a tire cord thread layer is arranged on the upper side of the steel wire belt ply. Through the arrangement of the tire body rubber coating layer, a traditional inner lining layer of the tire is omitted, and the types of rubber materials between a tire body framework material and an inner cavity of the tire are reduced, so that the material consumption is reduced, the tire is more environment-friendly, the air retaining performance of the tire is ensured, the production procedures of half parts of the inner lining are reduced, and the production cost is reduced. And the step of attaching two half parts of the lining layer and the tire body layer during tire forming is omitted, so that the production efficiency is greatly improved.
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Description

Technical Field

[0001] The utility model relates to the technical field of tires, in particular to an air-retaining tire with a carcass rubber covering function. Background Art

[0002] At present, in the existing tire half-component design, the inner liner and the carcass layer are two half-components that are bonded together in two steps during tire molding. The inner liner includes an airtight layer and a transition layer. The main function of the airtight layer is to retain air, and the main function of the transition layer is to bond the airtight layer and the carcass layer together to have a transition effect.

[0003] The invention patent with announcement number CN116745143A discloses a tire, wherein the tire outer diameter OD [mm] of the tire is in the range of 200 ≤ OD ≤ 660, and the total tire width SW [mm] is in the range of 100 ≤ SW ≤ 400. In addition, the carcass layer is formed by stacking two carcass ply layers made of organic fiber cords coated with coated rubber. In addition, the organic fiber cords of the two carcass ply layers have a cord angle relative to the tire circumferential direction in the range of more than 80 [deg] and less than 100 [deg]. In addition, the breaking strength Tcs [N / 50mm] of each of the two carcass ply layers per 50 [mm] width is in the range of 17 ≤ Tcs / OD ≤ 120 relative to the tire outer diameter OD [mm].

[0004] In the prior art, in the overall structure of the tire, there are three types of rubber materials between the carcass frame material and the inner cavity of the tire, namely, the carcass coating rubber, the inner liner transition layer, and the inner liner airtight layer. These three types of rubber materials are composed of two and a half parts, and their ultimate significance is to achieve the conformability and air retention of the tire; the disadvantages of the prior art are that the carcass coating rubber, the inner liner transition layer, and the inner liner airtight layer between the carcass frame material and the inner cavity of the tire have many types of rubber materials and low production and molding efficiency.

[0005] In view of the above problems, an air-retaining tire with carcass rubber covering function is proposed. Utility Model Content

[0006] The utility model aims to provide an air-retaining tire with a carcass rubber coating function, which solves the problem of low production and molding efficiency caused by a large number of rubber materials during the existing tire production and processing due to the carcass rubber coating between the carcass skeleton material and the tire inner cavity, and the coordinated processing of the inner liner transition layer and the inner liner airtight layer.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an air-retaining tire with a carcass rubber covering function, comprising a carcass rubber covering layer, a carcass layer is arranged on the outer side of the carcass rubber covering layer, a steel wire bundle ring is arranged between the carcass layer and the carcass rubber covering layer, a sidewall is arranged on the outer side of the carcass layer, a steel belt layer is arranged on the upper side of the sidewall, the steel belt layer is in contact with the carcass layer, a tire cord layer is arranged on the upper side of the steel belt layer, a cap layer is arranged on the upper side of the tire cord layer, the cap layer is in contact with the sidewall, a puncture-proof layer is arranged on the upper side of the cap layer, a tread is arranged on the upper side of the puncture-proof layer, and a reinforcement is arranged between the tread and the puncture-proof layer.

[0008] Preferably, the carcass rubber layer is made of fluororubber material. By making the fluororubber material, the carcass rubber layer has a good air-preserving and sealing effect.

[0009] Preferably, the carcass layer is made of nylon fiber material, and the carcass layer has good supporting performance through the provision of nylon fiber material.

[0010] Preferably, the cap layer is made of polyester fiber material. By setting the polyester fiber material, the cap layer has good support and wear resistance.

[0011] Preferably, the puncture-proof layer is made of puncture-proof fabric material, and the puncture-proof layer has a good puncture-proof effect by being arranged on the puncture-proof fabric material.

[0012] Preferably, a plurality of the reinforcement members are provided, and the plurality of the reinforcement members are evenly distributed on the anti-puncture layer. The provision of the reinforcement members can improve the tear resistance between the anti-puncture layer and the tread.

[0013] The beneficial effects of the utility model are as follows:

[0014] 1. The utility model not only eliminates the traditional inner liner of the tire, but also reduces the types of rubber materials between the carcass frame material and the inner cavity of the tire through the provision of the carcass rubber layer, so as to reduce material consumption, be more environmentally friendly, and ensure the air retention performance of the tire, and reduce the production process of the inner liner half component, and save the step of laminating the two half components of the inner liner layer and the carcass layer during tire molding, thereby greatly improving the production efficiency.

[0015] 2. The utility model can improve the anti-puncture effect of the tire during driving by setting the anti-puncture layer, greatly improve the service life of the tire, and under the action of the reinforcement, the tear resistance of the anti-puncture layer can be improved to improve the durability of the anti-puncture layer. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 For the utility model Figure 1 Schematic diagram of the carcass rubber layer;

[0018] Figure 3 For the utility model Figure 1 Schematic diagram of the puncture-proof layer.

[0019] In the figure: 1. carcass rubber layer; 2. carcass layer; 3. steel wire bead; 4. sidewall; 5. steel belt layer; 6. tire cord layer; 7. cap layer; 8. anti-puncture layer; 9. tread; 10. reinforcement. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1 , Figure 2 , Figure 3 A pneumatic tire with carcass rubber covering function comprises a carcass rubber covering layer 1, a carcass layer 2 is arranged on the outer side of the carcass rubber covering layer 1, a steel wire bead 3 is arranged between the carcass layer 2 and the carcass rubber covering layer 1, a sidewall 4 is arranged on the outer side of the carcass layer 2, a steel belt layer 5 is arranged on the upper side of the sidewall 4, the steel belt layer 5 is in contact with the carcass layer 2, a tire cord layer 6 is arranged on the upper side of the steel belt layer 5, a cap layer 7 is arranged on the upper side of the tire cord layer 6, the cap layer 7 is in contact with the sidewall 4, an anti-puncture layer 8 is arranged on the upper side of the cap layer 7, a tread 9 is arranged on the upper side of the anti-puncture layer 8, and a reinforcement 10 is arranged between the tread 9 and the anti-puncture layer 8.

[0022] See also Figure 1 , Figure 2 The carcass rubber layer 1 is made of fluororubber material, and the carcass rubber layer 1 has good air-tightness and sealing effect through the setting of the fluororubber material. The carcass layer 2 is made of nylon fiber material, and the carcass layer 2 has good supporting performance through the setting of the nylon fiber material. The cap layer 7 is made of polyester fiber material, and the cap layer 7 has good supporting and wear resistance through the setting of the polyester fiber material.

[0023] See also Figure 1 , Figure 3The anti-puncture layer 8 is made of puncture-proof fabric material. By setting the anti-puncture fabric material on top, the anti-puncture layer 8 has a good anti-puncture effect. A plurality of reinforcement pieces 10 are provided, and the plurality of reinforcement pieces 10 are evenly distributed on the anti-puncture layer 8. By setting the reinforcement pieces 10, the tear resistance between the anti-puncture layer 8 and the tread 9 can be improved.

[0024] The specific implementation process of the utility model is as follows: when in use, through the setting of the carcass rubber coating layer 1, not only the traditional inner liner of the tire is eliminated, but also the types of rubber materials between the carcass frame material and the inner cavity of the tire are reduced, so as to reduce material consumption, be more environmentally friendly, and ensure the air retention performance of the tire, and reduce the production process of the inner liner half parts, and save the step of laminating the two half parts of the inner liner and the carcass layer 2 during tire molding, which greatly improves the production efficiency. Through the setting of the anti-puncture layer 8, the anti-puncture effect of the tire during driving can be improved, which greatly improves the service life of the tire, and under the action of the reinforcement 10, the tear resistance of the anti-puncture layer 8 can be improved to improve the durability of the anti-puncture layer 8.

[0025] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An air-retaining tire with a carcass rubber coating function, comprising a carcass rubber coating layer (1), characterized in that: A carcass layer (2) is arranged on the outer side of the carcass rubber coating layer (1), a steel wire bead (3) is arranged between the carcass layer (2) and the carcass rubber coating layer (1), a sidewall (4) is arranged on the outer side of the carcass layer (2), a steel belt layer (5) is arranged on the upper side of the sidewall (4), the steel belt layer (5) is in contact with the carcass layer (2), a tire cord layer (6) is arranged on the upper side of the steel belt layer (5), a cap layer (7) is arranged on the upper side of the tire cord layer (6), the cap layer (7) is in contact with the sidewall (4), an anti-puncture layer (8) is arranged on the upper side of the cap layer (7), a tread (9) is arranged on the upper side of the anti-puncture layer (8), and a reinforcement member (10) is arranged between the tread (9) and the anti-puncture layer (8).

2. The air-retaining tire with carcass rubber coating function according to claim 1, characterized in that: The carcass rubber layer (1) is made of fluororubber material.

3. The air-retaining tire with carcass rubber coating function according to claim 1, characterized in that: The carcass layer (2) is made of nylon fiber.

4. The air-retaining tire with carcass rubber coating function according to claim 1, characterized in that: The cap layer (7) is made of polyester fiber.

5. The air-retaining tire with carcass rubber coating function according to claim 1, characterized in that: The puncture-proof layer (8) is made of puncture-proof fabric.

6. The air-retaining tire with carcass rubber coating function according to claim 1, characterized in that: A plurality of the reinforcing members (10) are provided, and the plurality of the reinforcing members (10) are evenly distributed on the anti-puncture layer (8).

Citation Information

Patent Citations

  • Tire

    CN116745143A