Structure for improving air tightness of tubeless tire
By optimizing the wire ring structure and tire ring part materials and adopting a new composite or single-layer inner lining structure, the poor airtightness and drumming problems of tubeless tires are solved, and the airtightness and service life of the tires are improved.
Patent Information
- Application Number
- CN202421177103.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-28
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-28
AI Technical Summary
Tubeless tires have poor airtightness and the tires are bulging after forming, resulting in increased weight of finished tires and difficult molding operation.
By optimizing the wire ring structure and tire ring material, using different number of wire ring structures and a new composite or single-layer lining structure, the tire's airtightness and wear resistance are improved.
The airtightness and service life of finished tires without tubes are improved, the forming steps are optimized, the inner lining layer is uniform, and the tire usage requirements are met.
Smart Images
Figure CN222473828U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of tire air tightness, in particular to a structure for improving the air tightness of a tubeless tire. Background Art
[0002] Tubeless tires are commonly known as atomic tires or vacuum tires. This type of tire uses the airtight layer of the tire inner wall and the tire bead to ensure good airtightness between the tire and the rim. The outer tire also serves as the inner tube. However, in order to solve the air leakage problem of tubeless tires, it is necessary to increase the thickness of the semi-finished product inner liner, improve the thickness of the finished product inner liner and the airtightness of the tire, resulting in a higher weight of the finished tire and difficulty in molding operation. The use of pre-vulcanization technology for the inner liner leads to poor adhesion of the inner liner, resulting in the risk of bulging of the tire after molding.
[0003] Based on this, a structure for improving the air tightness of a tubeless tire is now provided, which can eliminate the disadvantages of the existing device. Utility Model Content
[0004] The utility model aims to provide a structure for improving the air tightness of a tubeless tire, so as to solve the problems of poor air tightness of the tubeless tire and bulging of the tire after molding in the background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A structure for improving the air tightness of a tubeless tire comprises a carcass and an inner liner. One side of the carcass is provided with an inner liner with different structures bonded according to different numbers of wire ring structures.
[0007] On the basis of the above technical solutions, the present invention also provides the following optional technical solutions:
[0008] In an optional solution: a steel wire cloth is provided inside the carcass.
[0009] In an optional solution: the bottom of the wire wrap is directly wrapped on the wire ring through a soft triangle rubber core.
[0010] In an optional solution, a first bead wrap layer and a second bead wrap layer are provided inside the carcass, and one side of the second bead wrap layer is wrapped with the first bead wrap layer.
[0011] In an optional solution: the first bead wrap layer and the second bead wrap layer are used to fix the wire bead structures with different numbers of turns.
[0012] In an optional solution, the styles of the lining layer include an in-machine composite lining layer structure, an out-machine composite lining layer structure, an in-machine single-layer lining layer structure and an out-machine single-layer lining layer structure.
[0013] In an optional solution, the in-machine composite lining structure and the out-machine composite lining structure are double-layer composite structures.
[0014] In an optional solution, the single-layer lining structure inside the machine and the single-layer lining structure outside the machine are single-layer structures.
[0015] Compared with the prior art, the beneficial effects of the present invention are as follows:
[0016] 1. The utility model optimizes the wire ring structure and the tire bead material to improve the wear resistance and airtightness of the finished tire bead, thereby improving the airtightness and service life of the tubeless finished tire.
[0017] 2. The utility model changes the structural design of the inner liner on one side of the tire body, optimizes the inner liner structure of the semi-finished tire and adopts a new composite or single-layer structure, thereby improving the structure of the inner liner thickness of the semi-finished tire and the finished tire, optimizing the molding steps, ensuring that the thickness of the inner liner of the finished tire is uniform and meets the tire use requirements, thereby improving the air tightness and tire service life of the tubeless finished tire. BRIEF DESCRIPTION OF THE DRAWINGS
[0018] Figure 1 It is a schematic diagram of the structure of a single-turn wire ring of the utility model.
[0019] Figure 2 It is a schematic diagram of the structure of a double-loop wire ring of the utility model.
[0020] Figure 3 The utility model is a schematic diagram of the structure of a three-turn wire ring.
[0021] Figure 4 This is a schematic diagram of the structure of the composite lining layer in the machine of the utility model.
[0022] Figure 5 This is a schematic diagram of the structure of the outer composite lining layer of the utility model.
[0023] Figure 6 This is a schematic diagram of the structure of a single-layer lining in a machine of the utility model.
[0024] Figure 7 This is a schematic diagram of the structure of the single-layer lining outside the machine of the utility model.
[0025] Notes on figure numbers: 1. carcass; 2. inner liner; 3. wire cloth; 4. wire ring; 5. soft triangular rubber core; 6. first tire bead wrapping layer; 7. second tire bead wrapping layer; 8. composite inner liner structure inside the machine; 9. composite inner liner structure outside the machine; 10. single-layer inner liner structure inside the machine; 11. single-layer inner liner structure outside the machine. DETAILED DESCRIPTION
[0026] 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.
[0027] In one embodiment, Figure 1-Figure 7 As shown, a structure for improving the air tightness of a tubeless tire comprises a carcass 1 and an inner liner 2. One side of the carcass 1 is provided with an inner liner 2 having different structures bonded thereto according to the number of turns of the wire ring structure. Inner liner 2 having different structures is adopted according to demand to ensure that the thickness of the inner liner of the finished tire is uniform and meets the requirements for tire use, thereby improving the air tightness of the finished tubeless tire and the service life of the tire.
[0028] In one embodiment, Figure 1-Figure 3 As shown, a wire wrap 3 is provided inside the carcass 1 for wrapping the wire ring 4.
[0029] In one embodiment, Figure 1-Figure 3 As shown, the bottom of the wire wrap 3 is directly wrapped on the wire ring 4 through the soft triangle rubber core 5, which can improve the bearing capacity of the ring part and improve the strength of the tire.
[0030] In one embodiment, Figure 1-Figure 3 As shown, a first bead wrap layer 6 and a second bead wrap layer 7 are provided inside the carcass 1 , and one side of the second bead wrap layer 7 is wrapped with the first bead wrap layer 6 .
[0031] In one embodiment, Figure 1-Figure 3 As shown, the first bead wrapping layer 6 and the second bead wrapping layer 7 are used to fix the wire bead structures with different numbers of circles, so that the tire bead adopts a new wire bead structure, and the wear resistance and airtightness of the finished tire bead are improved by optimizing the wire bead structure and the tire bead material, thereby improving the airtightness and tire service life of the finished tubeless tire.
[0032] In one embodiment, Figure 4 - Figure 7 As shown, the styles of the inner liner 2 include an in-machine composite inner liner structure 8, an out-machine composite inner liner structure 9, an in-machine single-layer inner liner structure 10 and an out-machine single-layer inner liner structure 11. By changing the structural design of the inner liner 2 on one side of the tire body 1, the structure of the semi-finished tire inner liner 2 is optimized to adopt a new composite or single-layer structure, thereby improving the structure of the thickness of the inner liner of the semi-finished tire and the finished tire, optimizing the molding steps, ensuring that the thickness of the inner liner of the finished tire is uniform and meets the tire use requirements, thereby improving the air tightness and tire service life of the tubeless finished tire.
[0033] In one embodiment, Figure 4-Figure 5 As shown, the in-machine composite lining structure 8 and the out-machine composite lining structure 9 adopt a double-layer composite structure.
[0034] In one embodiment, Figure 6-Figure 7 As shown, the single-layer lining structure 10 inside the machine and the single-layer lining structure 11 outside the machine are single-layer structures.
[0035] Working principle: The above embodiment discloses a structure for improving the air tightness of tubeless tires, wherein, when in use, the bottom of the wire wrap 3 is directly wrapped on the wire ring 4 through the soft triangle rubber core 5, which can improve the bearing capacity of the ring and improve the strength of the tire. By adopting a wire ring structure with different numbers of rings, the tire bead adopts a brand-new wire ring structure. By optimizing the wire ring structure and the tire bead material, the wear resistance and air tightness of the finished tire bead are improved, thereby improving the air tightness and tire service life of the tubeless finished tire. By changing the structural design of the inner liner 2 on one side of the tire body 1, the structure of the semi-finished inner liner 2 of the tire is optimized to adopt a brand-new composite or single-layer structure, thereby improving the structure of the inner liner thickness of the semi-finished tire and the finished tire, optimizing the molding steps, ensuring that the thickness of the inner liner of the finished tire is uniform and meets the tire use requirements, thereby improving the air tightness and tire service life of the tubeless finished tire.
[0036] 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 structure for improving the air tightness of a tubeless tire, comprising a tire body (1) and an inner liner (2), characterized in that: One side of the carcass (1) is provided with an inner lining layer (2) having different structures bonded thereto according to the number of turns of the wire ring structure; The styles of the lining layer (2) include an in-machine composite lining layer structure (8), an out-machine composite lining layer structure (9), an in-machine single-layer lining layer structure (10), and an out-machine single-layer lining layer structure (11).
2. The structure for improving the air tightness of a tubeless tire according to claim 1, characterized in that: A steel wire cloth (3) is provided inside the carcass (1).
3. The structure for improving the air tightness of a tubeless tire according to claim 2, characterized in that: The bottom of the steel wire wrap (3) is directly wrapped on the steel wire ring (4) through a soft triangle rubber core (5).
4. The structure for improving the air tightness of a tubeless tire according to claim 1, characterized in that: A first bead wrapping layer (6) and a second bead wrapping layer (7) are provided inside the carcass (1), and one side of the second bead wrapping layer (7) is wrapped with the first bead wrapping layer (6).
5. The structure for improving the air tightness of a tubeless tire according to claim 4, characterized in that: The first bead wrapping layer (6) and the second bead wrapping layer (7) are used to fix steel wire ring structures with different numbers of turns.
6. The structure for improving air tightness of a tubeless tire according to claim 1, characterized in that: The in-machine composite lining structure (8) and the out-machine composite lining structure (9) adopt a double-layer composite structure.
7. The structure for improving air tightness of a tubeless tire according to claim 1, characterized in that: The single-layer lining structure (10) inside the machine and the single-layer lining structure (11) outside the machine are single-layer structures.