Strong-load-resistant winding type tire steel wire ring
By using double wire ring structure, special rubber and fatigue-resistant materials in the tire bead, the combination of carcass and sub-port reinforced wire wrapping is changed, and the problem of existing bead structures being easily bent and deformed under high air pressure and long-term use conditions is solved, and the durability of bead parts is significantly improved.
Patent Information
- Application Number
- CN202421177098.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-03-11
- Estimated Expiration
- 2034-05-28
AI Technical Summary
The existing bead structure is prone to bending and deforming under high air pressure and long-term use conditions, resulting in concentrated stress and mass problems such as ring hollowing and cracking.
A tire wire ring with strong load-resistant winding type is designed, using a double wire ring structure, special rubber and fatigue-resistant material, changing the combination of the carcass and sub-port reinforcement steel wire cloth, adding hard triangle rubber and wire reinforcement, forming a special carcass reverse wrap method.
The resistance to deformation of the tire bead position is improved, and the damage to the tire bead by the concentration of stress on the carcass reverse wrap endpoint is eliminated, which significantly improves the overall durability of the bead part.
Smart Images
Figure CN222591133U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of all-steel radial tires for automobiles, in particular to a tire wire ring which is resistant to strong load winding. Background Art
[0002] Existing tire bead structure such as Figure 1 , including the inner hard triangle rubber core 4, the outer soft triangle rubber core 11, the carcass cord 3, the bead wire cloth 2, the bead rubber 7, the sidewall rubber 10, the bead gasket rubber 9, and the wire ring 6. Under the conditions of high air pressure and long-term continuous use, the existing bead structure has large bending deformation, and the turned-up carcass cord and the bead wire cloth near the rim flange area are compressed and deformed, which is easy to form stress concentration, resulting in quality problems such as tire ring emptying and ring cracking.
[0003] Based on this, a tire wire ring with strong load resistance and winding resistance is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content
[0004] The utility model aims to provide a tire wire ring with strong load resistance and winding resistance, so as to solve the problem that stress concentration is easily formed in the background technology, resulting in tire ring hollowing and ring cracking.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A tire wire ring with strong load resistance and winding resistance comprises an inner liner, a carcass cord is fixedly arranged on the inner side wall of the inner liner, a hard apex is fixedly arranged on the inner side wall of the carcass cord, and a main wire ring and an upper wire ring are covered on the inner wall of the hard apex.
[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:
[0008] In an optional solution: the hard apex rubber is located between the main wire ring and the inner side of the carcass cord and the steel wire reinforcement, and the steel wire reinforcement is fixedly wrapped around the outer side wall of the carcass cord.
[0009] In an optional solution: a carcass cord end point and a steel wire reinforcement end point are fixedly provided between the main steel wire ring and the upper steel wire ring.
[0010] In an optional solution: the outer surface of the inner liner is fixedly coated with a first wear-resistant rubber and a second wear-resistant rubber, and the outer surfaces of the first wear-resistant rubber and the second wear-resistant rubber are fixedly coated with a sidewall rubber.
[0011] In an optional solution: the outer side of the tire bead adopts a structure in which two or more layers of bead reinforcement material are used to wrap the steel wire reinforcement end point and the carcass cord end point.
[0012] In an optional solution, the main wire ring uses high-strength annealed steel wire.
[0013] In an optional solution: the hard apex rubber is made of a rubber material with a relatively high modulus and strong resistance to permanent deformation.
[0014] In an optional solution: the sub-mouth reinforcement material is made of fatigue-resistant and high-modulus material, and the angle of the sub-mouth reinforcement material is 30-50°.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] The utility model improves the durability of the tire bead by innovatively designing the tire bead structure and material distribution. Compared with the prior art, the utility model improves the anti-deformation performance of the tire bead position by applying a double wire ring structure and special rubber, changing the combination of the tire body and the reinforcing wire cloth, etc., eliminating the damage to the tire bead caused by the stress concentration at the end point of the tire body, and improving the overall durability of the bead area. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the existing tire bead.
[0018] Figure 2 It is a structural schematic diagram of the utility model.
[0019] Figure 3 It is a structural schematic diagram of the upper wire ring and the main wire ring of the utility model.
[0020] Notes on the accompanying figures: 1. Inner liner; 2. Carcass cord; 3. Hard apex rubber; 4. Upper wire ring; 5. Steel wire reinforcement; 6. Carcass cord end point; 7. First wear-resistant rubber; 8. Main wire ring; 9. Steel wire reinforcement end point; 10. Second wear-resistant rubber; 11. Sidewall rubber; 12. Sidewall reinforcement material. DETAILED DESCRIPTION
[0021] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below in conjunction with the accompanying drawings and embodiments.
[0022] In one embodiment, Figure 2 and Figure 3As shown, a tire wire ring with strong load resistance and winding resistance comprises an inner liner 1, the inner side wall of the inner liner 1 is fixedly provided with a carcass cord 2, the inner side wall of the carcass cord 2 is fixedly provided with a hard apex rubber 3, the inner wall of the hard apex rubber 3 is coated with a main wire ring 8 and an upper wire ring 4, after the main wire ring 8 and the upper wire ring 4 are formed, they are wrapped with reinforcing materials, or they may not be wrapped with reinforcing materials, the hard apex rubber 3 is between the main wire ring 8 and the inner side of the carcass cord 2 and the steel wire reinforcement 5, the steel wire reinforcement 5 is fixedly coated on the outer side wall of the carcass cord 2, and the upper wire ring, the main wire ring 8, the steel wire reinforcement 5 and the hard apex rubber 3 are added to form a special carcass wrapping method.
[0023] In one embodiment, Figure 2 As shown, a carcass cord end point 6 and a steel wire reinforcement end point 9 are fixedly provided between the main steel wire ring 8 and the upper steel wire ring 4. By applying a double steel wire ring structure and special rubber, changing the combination of the carcass and the sub-mouth reinforcement steel wire cloth, etc., the deformation resistance of the tire bead position is improved.
[0024] In one embodiment, Figure 2 and Figure 3 As shown, the outer surface of the inner liner 1 is fixedly coated with a first wear-resistant rubber 7 and a second wear-resistant rubber 10, and the outer surfaces of the first wear-resistant rubber 7 and the second wear-resistant rubber 10 are fixedly coated with a sidewall rubber 11, which can improve the overall durability of the tire bead area.
[0025] In one embodiment, Figure 2 and Figure 3 As shown, the outer side of the tire bead adopts a structure in which two or more layers of reinforcing materials 12 are used to wrap the steel wire reinforcement end point 9 and the carcass cord end point 6, thereby eliminating the damage to the tire bead caused by the stress concentration at the carcass turn-up end point, and improving the overall durability of the tire bead area.
[0026] In one embodiment, Figure 2 As shown, the main wire ring 8 uses high-strength annealed steel wire, and the radial stiffness of the main wire ring 8 is required to be relatively high.
[0027] In one embodiment, Figure 2 and Figure 3 As shown, the hard triangle rubber 3 is made of a rubber material with a relatively high modulus and strong resistance to permanent deformation.
[0028] In one embodiment, Figure 2 As shown, the sub-mouth reinforcement material 12 is made of fatigue-resistant and high-modulus material, and the angle of the sub-mouth reinforcement material 12 is 30-50°.
[0029] The above-mentioned embodiment discloses a tire wire ring that is resistant to high-load winding, wherein an upper wire ring 4 is added to form a special tire body turn-up method with the main wire ring 8, a wire reinforcement 5, and a hard triangle rubber 3. After the main wire ring 8 and the upper wire ring 4 are formed, they are wound with reinforcing materials or without reinforcing materials. By applying a double wire ring structure and special rubber, changing the combination of the tire body and the sub-mouth reinforced wire wrapping cloth, etc., the deformation resistance of the tire bead position is improved. The outer side of the bead adopts a structure of wrapping the wire reinforcement end point 9 and the carcass cord end point 6 with two or more layers of sub-mouth reinforcement material 12, thereby eliminating the damage to the tire bead caused by stress concentration at the carcass turn-up end point, thereby improving the overall durability of the bead area.
[0030] The above is only a specific implementation of the present application, but the protection scope of the present application is not limited thereto. Any person skilled in the art who is familiar with the present technical field can easily think of changes or substitutions within the technical scope disclosed in the present application, which should be included in the protection scope of the present application. Therefore, the protection scope of the present application should be based on the protection scope of the claims.
Claims
1. A tire wire ring with strong load resistance and winding resistance, characterized in that: It comprises an inner liner (1), the inner side wall of the inner liner (1) is fixedly provided with a carcass cord (2), the inner side wall of the carcass cord (2) is fixedly provided with a hard apex rubber (3), and the inner wall of the hard apex rubber (3) is covered with a main wire ring (8) and an upper wire ring (4); The hard apex rubber (3) is located between the main wire ring (8) and the inner side of the carcass cord (2) and the steel wire reinforcement (5), and the steel wire reinforcement (5) is fixedly wrapped around the outer side wall of the carcass cord (2); A carcass cord end point (6) and a steel wire reinforcement end point (9) are fixedly provided between the main steel wire ring (8) and the upper steel wire ring (4); The outer side of the tire bead adopts a structure in which two or more layers of bead reinforcement materials (12) are used to wrap the steel wire reinforcement end point (9) and the carcass cord end point (6); The sub-mouth reinforcement material (12) is made of fatigue-resistant material with a relatively high modulus, and the angle of the sub-mouth reinforcement material (12) is 30-50°.
2. The tire bead ring of high load resistance winding type according to claim 1, characterized in that: The outer surface of the inner liner (1) is fixedly coated with a first wear-resistant rubber (7) and a second wear-resistant rubber (10), and the outer surfaces of the first wear-resistant rubber (7) and the second wear-resistant rubber (10) are fixedly coated with a sidewall rubber (11).
3. The tire wire ring of the heavy load winding resistance type according to claim 1, characterized in that: The main wire ring (8) is made of high-strength annealed steel wire.
4. The tire bead ring of the heavy load winding resistance type according to claim 1, characterized in that: The hard triangle rubber (3) is made of a rubber material with a relatively high modulus and strong resistance to permanent deformation.