High-strength steel wire radial tire
By setting up a multi-layer belt structure in the tire, especially the protruding extension of the second zero-degree belt layer and the third zero-degree belt layer, the problem of flexing the radial tire during load is solved, and the overall strength and performance of the tire are improved .
Patent Information
- Application Number
- CN202420390965.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-29
- Publication Date
- 2024-12-31
- Estimated Expiration
- 2034-02-28
AI Technical Summary
The existing radial tires have a large flexural deformation during load-load driving, which affects the performance.
A second zero-degree belt layer is arranged between the steel strip layer and the ply layer, and a third zero-degree belt layer is arranged between the first zero-degree belt layer and the second zero-degree belt layer, through the second zero-degree belt layer and The protruding extension of the third zero-degree belt layer enhances the support effect of the crown and improves the overall strength.
Effectively reduce tire flexion, improve tire performance and compressive resistance, and extend service life.
Smart Images
Figure CN222271724U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of radial tires, in particular to a high-strength steel wire radial tire. Background Art
[0002] Radial tires refer to a type of tire structure, which is different from bias tires, arch tires, and pressure-regulated tires. The international code for radial tires is R. Radial tires can be divided into three types according to different materials: full-wire radial tires, semi-wire radial tires, and full-fiber radial tires. They have the characteristics of large contact area, good adhesion performance, thick crown, and hard belt layer that is not easy to be punctured. However, the overall strength of existing radial tires is insufficient. During load-bearing driving, the crown of the tire will still show a large degree of flexion, affecting the tire performance. Utility Model Content
[0003] Based on the above description, the utility model provides a high-strength steel wire radial tire to solve the problem that the existing radial tire has a large flexural deformation during load-bearing use and is not conducive to use.
[0004] The utility model provides a technical solution to the above-mentioned technical problems as follows: a high-strength steel wire radial tire, comprising a carcass and a tread base, the carcass comprising a sidewall and a bead, the outer side of the bead is provided with a bead cover, the inner side of the bead is provided with a rubber strip and a bead steel wire, an aramid belt layer, a steel belt layer and a cord layer are provided between the carcass and the tread base, a first zero-degree belt layer is provided between the steel belt layer and the aramid belt layer, a second zero-degree belt layer is provided between the steel belt layer and the cord layer, and a third zero-degree belt layer is provided between the first zero-degree belt layer and the second zero-degree belt layer.
[0005] On the basis of the above technical solution, the present invention can also be improved as follows.
[0006] Furthermore, the first zero-degree belt layer and the second zero-degree belt layer are close to each other, and a portion of the surface of the second zero-degree belt layer protrudes to the inner side of the first zero-degree belt layer.
[0007] Furthermore, part of the surface of the second zero-degree belt layer protrudes to the outside of the first zero-degree belt layer, and the protruding distance of the second zero-degree belt layer is 70-80 mm.
[0008] Furthermore, the first zero-degree belt layer is wound around the outside of the second zero-degree belt layer, the first zero-degree belt layer is wound in two layers, the single-layer section thickness of the first zero-degree belt layer is 5 mm, and the section thickness of the second zero-degree belt layer is 2-3 mm thicker than the single-layer section thickness of the first zero-degree belt layer.
[0009] Furthermore, the cross-sectional thickness of the third zero-degree belt layer is 5-8 mm thicker than that of the second zero-degree belt layer.
[0010] Furthermore, the third zero-degree belt layer is located outside the second zero-degree belt layer, and part of the surface of the third zero-degree belt layer protrudes to the outside of the second zero-degree belt layer. The protruding distance of the third zero-degree belt layer is 70-80 mm.
[0011] Furthermore, a wire cloth layer is provided on the outer side of the tire bead wire.
[0012] Furthermore, the first zero-degree belt layer is located between the aramid belt layer and the third zero-degree belt layer.
[0013] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:
[0014] By arranging a second zero-degree belt layer between the steel belt layer and the cord layer, and arranging a third zero-degree belt layer between the first zero-degree belt layer and the second zero-degree belt layer, and protruding and extending the second zero-degree belt layer and the third zero-degree belt layer, the radial tire can use the second zero-degree belt layer and the third zero-degree belt layer to support the inner side of the crown during use, so that the overall strength of the crown part of the tire is stronger, the tire flexure is effectively reduced, and the tire performance is improved. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;
[0016] Figure 2 This is a schematic diagram of the front view structure of the utility model;
[0017] Figure 3 For this utility model Figure 1 The enlarged structural diagram at A in the middle;
[0018] Figure 4 For this utility model Figure 1 Enlarged structural diagram at B in the middle.
[0019] In the accompanying drawings, the components represented by the reference numerals are listed as follows:
[0020] 1. Carcass; 2. Bead wire; 3. Rubber strip; 5. Sidewall; 6. Bead; 7. Steel wire cloth layer; 8. Bead cloth layer; 9. Cord layer; 10. Steel belt layer; 11. Aramid belt layer; 12. First zero-degree belt layer; 13. Second zero-degree belt layer; 14. Third zero-degree belt layer; 15. Tread base. DETAILED DESCRIPTION
[0021] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.
[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.
[0023] This embodiment provides a high-strength steel wire radial tire, which has a stronger strength and is more conducive to load-bearing use. Specifically, Figure 1-4As shown, it includes a carcass 1 and a tread base 15, the carcass 1 includes a sidewall 5 and a bead 6, the outer side of the bead 6 is provided with a bead wrap 8, the inside of the bead 6 is provided with a rubber strip 3 and a bead wire 2, the outer side of the bead wire 2 is provided with a steel wire wrap layer 7, the steel wire wrap layer 7 is wrapped around the outer side of the end point of the carcass 1, to achieve a wrapping and protective effect on the end point of the carcass 1, enhance the bead strength, and prevent the bead from cracking, an aramid belt layer 11, a steel belt layer 10 and a cord layer 9 are provided between the carcass 1 and the tread base 15, a first zero-degree belt layer 12 is provided between the steel belt layer 10 and the aramid belt layer 11, and a steel belt layer 10 and a cord layer 9 are provided. A second zero-degree belt layer 13 is provided between the layer 10 and the cord layer 9, the first zero-degree belt layer 12 and the second zero-degree belt layer 13 are close to each other, part of the surface of the second zero-degree belt layer 13 protrudes to the inner side of the first zero-degree belt layer 12, and part of the surface of the second zero-degree belt layer 13 protrudes to the outer side of the first zero-degree belt layer 12, and the protruding distance of the second zero-degree belt layer 13 is 70-80mm, the first zero-degree belt layer 12 is wound around the outer side of the second zero-degree belt layer 13, the first zero-degree belt layer 12 is wound in two layers, the single-layer section thickness of the first zero-degree belt layer 12 is 5mm, and the section thickness of the second zero-degree belt layer 13 is 5mm. The surface thickness is 2-3mm thicker than the single-layer section of the first zero-degree belt layer 12. A third zero-degree belt layer 14 is provided between the first zero-degree belt layer 12 and the second zero-degree belt layer 13. The section thickness of the third zero-degree belt layer 14 is 5-8mm thicker than the second zero-degree belt layer 13. The third zero-degree belt layer 14 is located on the outside of the second zero-degree belt layer 13 to achieve full coverage of the second zero-degree belt layer 13. The side of the third zero-degree belt layer 14 away from the second zero-degree belt layer 13 protrudes to the outside of the first zero-degree belt layer 12 and they are close to each other. The third zero-degree belt layer 14 is effectively used to achieve full coverage of the first zero-degree belt layer The limiting effect of the first zero-degree belt layer 12 and the second zero-degree belt layer 13 makes the deformation amplitude of the first zero-degree belt layer 12 and the second zero-degree belt layer 13 smaller after being compressed, and the reinforcement effect on the radial tire is more ideal. Part of the surface of the third zero-degree belt layer 14 protrudes to the outside of the second zero-degree belt layer 13, and the protruding distance of the third zero-degree belt layer 14 is 70-80mm, thereby effectively utilizing the position coordination and protruding distance of the second zero-degree belt layer 13 and the third zero-degree belt layer 14 to achieve the strength reinforcement effect of the crown part of the radial tire, reduce tire flexure, and improve the tire performance.
[0024] like Figure 3 As shown, in this embodiment, the first zero-degree belt layer 12 is located between the aramid belt layer 11 and the third zero-degree belt layer 14, which can limit the position of the first zero-degree belt layer 12 and is more conducive to the early positioning of the first zero-degree belt layer 12, the second zero-degree belt layer 13 and the third zero-degree belt layer 14 of the radial tire.
[0025] The above-mentioned high-strength steel wire radial tire, through the position placement and coordination of the first zero-degree belt layer 12, the second zero-degree belt layer 13 and the third zero-degree belt layer 14, effectively improves the overall strength and pressure resistance of the radial tire, strengthens the overall strength of the crown part, reduces tire heat generation, improves tire performance, and is more conducive to long-term use of the tire.
[0026] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A high-strength steel radial tire, comprising a carcass (1) and a tread base (15), characterized in that: The tire body (1) comprises a sidewall (5) and a tire bead (6); a bead cover (8) is provided on the outer side of the tire bead (6); and a rubber strip (3) and a tire bead steel wire (2) are provided inside the tire bead (6); An aramid belt layer (11), a steel belt layer (10) and a carcass layer (9) are provided between the carcass (1) and the tread base (15); a first zero-degree belt layer (12) is provided between the steel belt layer (10) and the aramid belt layer (11); a second zero-degree belt layer (13) is provided between the steel belt layer (10) and the carcass layer (9); and a third zero-degree belt layer (14) is provided between the first zero-degree belt layer (12) and the second zero-degree belt layer (13).
2. A high-strength steel radial tire according to claim 1, characterized in that: The first zero-degree belt layer (12) and the second zero-degree belt layer (13) are close to each other, and a portion of the surface of the second zero-degree belt layer (13) protrudes to the inner side of the first zero-degree belt layer (12).
3. A high-strength steel radial tire according to claim 1, characterized in that: Part of the surface of the second zero-degree belt layer (13) protrudes to the outside of the first zero-degree belt layer (12), and the protruding distance of the second zero-degree belt layer (13) is 70-80 mm.
4. The high-strength steel radial tire according to claim 1, characterized in that: The first zero-degree belt layer (12) is wound around the outside of the second zero-degree belt layer (13). The first zero-degree belt layer (12) is wound in two layers. The single-layer section thickness of the first zero-degree belt layer (12) is 5 mm, and the section thickness of the second zero-degree belt layer (13) is 2-3 mm thicker than the single-layer section thickness of the first zero-degree belt layer (12).
5. The high-strength steel radial tire according to claim 1, characterized in that: The cross-sectional thickness of the third zero-degree belt layer (14) is 5-8 mm thicker than that of the second zero-degree belt layer (13).
6. The high-strength steel radial tire according to claim 1, characterized in that: The third zero-degree belt layer (14) is located outside the second zero-degree belt layer (13), and part of the surface of the third zero-degree belt layer (14) protrudes to the outside of the second zero-degree belt layer (13). The protruding distance of the third zero-degree belt layer (14) is 70-80 mm.
7. The high-strength steel radial tire according to claim 1, characterized in that: A steel wire cloth layer (7) is provided on the outer side of the tire bead wire (2).
8. The high-strength steel radial tire according to claim 1, characterized in that: The first zero-degree belt layer (12) is located between the aramid belt layer (11) and the third zero-degree belt layer (14).