Anti-uv aging braided yarn structure
By introducing high-strength polyester filaments and glass fiber filaments as reinforcing cores into the yarn binding structure, combined with polyvinyl chloride and high-density polyethylene layers, the problems of easy deformation and poor weather resistance of the yarn binding structure under ultraviolet light are solved, achieving higher tensile strength and durability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHU XIANGTAI PHOTOELECTRIC MATERIAL
- Filing Date
- 2025-10-28
- Publication Date
- 2026-07-24
Smart Images

Figure CN224553549U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of optical cable materials, and in particular to a yarn binding structure resistant to ultraviolet aging. Background Technology
[0002] Optical fiber cables (also commonly called fiber optic cables or optical fiber bundles) are cable-like structures that combine optical fibers (used for transmitting optical signals) with outer sheaths, filling materials, and buffer layers for protection and cabling. They can transmit optical signals and provide mechanical and environmental protection during actual cabling. Binding yarn refers to a special material used in the production of optical cables to fix and tighten the internal materials. Binding yarn is a tough fiber material mainly used to fix the optical fibers in the cable. It is usually made of polyester and features high strength and low heat shrinkage. During the production of optical cables, binding yarn can tighten the optical fibers and maintain their structural stability, preventing damage to the optical fibers or signal transmission problems caused by external forces.
[0003] In the process of developing this application, the inventors discovered the following problems with the existing technology: Conventional binding structures generally lack load-bearing capacity both internally and externally, making them prone to deformation under tension, vibration, or long-term environmental stress, affecting the overall mechanical properties of the optical cable and the stability of the optical fiber. Moreover, the binding materials are mostly polyester, which has poor weather resistance and is easily degraded by ultraviolet radiation. Long-term exposure to sunlight can lead to decreased strength, embrittlement, and dimensional changes.
[0004] Therefore, those skilled in the art have provided an anti-UV aging yarn binding structure to solve the problems mentioned in the background art. Utility Model Content
[0005] The purpose of this invention is to address the shortcomings of existing technologies by proposing an anti-UV aging yarn binding structure. The No. 1 and No. 2 reinforcing cores can improve the tensile strength and rigidity of the yarn binding body and prevent local deformation. The protective layer of the yarn binding body can effectively block ultraviolet rays and water vapor, reducing the impact of water vapor or moisture on internal components.
[0006] To achieve the above objectives, the present invention provides the following technical solution:
[0007] An anti-ultraviolet aging yarn binding structure includes a yarn binding body, wherein a first reinforcing core is provided at the outer end of the yarn binding body, and a second reinforcing core is provided at the inner end of the yarn binding body.
[0008] The yarn binding body includes a protective layer, a support layer is provided at the inner end of the protective layer, and an anti-aging layer is provided at the inner end of the support layer.
[0009] Furthermore, the first reinforcing core is made of high-strength polyester yarn.
[0010] Furthermore, the second reinforcing core is made of glass fiber filaments.
[0011] Furthermore, the protective layer is made of polyvinyl chloride.
[0012] Furthermore, the support layer is made of high-strength polyester.
[0013] Furthermore, the anti-aging layer is made of high-density polyethylene.
[0014] This utility model has the following beneficial effects:
[0015] 1. This utility model proposes an anti-UV aging yarn binding structure. A first reinforcing core, made of high-strength polyester yarn, is located at the outer end of the yarn binding body. This core enhances the load-bearing capacity of the outer end, strengthens tensile strength and durability, and reduces deformation caused by tension fluctuations. A second reinforcing core, made of glass fiber yarn, is located at the inner end of the yarn binding body. This core improves the tensile strength and rigidity of the yarn binding body, improves stress transmission at the inner end, and prevents localized deformation. The protective layer of the yarn binding body is made of polyvinyl chloride (PVC), effectively blocking UV rays and moisture, reducing the impact of moisture on internal components. The support layer is made of high-strength polyester, providing superior structural support, enhancing overall rigidity and torsional resistance. High-strength polyester also has high tensile strength and abrasion resistance, extending service life and reducing maintenance frequency. The anti-aging layer is made of high-density polyethylene (HDPE), enhancing the device's resistance to aging factors such as UV rays, oxidation, and thermal degradation, thus extending its service life. Attached Figure Description
[0016] Figure 1 This is an isometric schematic diagram of the present invention;
[0017] Figure 2 This is a cross-sectional schematic diagram of the yarn binding body, the first reinforcing core, and the second reinforcing core of this utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of the yarn-tying body of this utility model.
[0019] Legend:
[0020] 1. Yarn binding body; 2. First reinforcing core; 3. Second reinforcing core; 101. Protective layer; 102. Supporting layer; 103. Anti-aging layer. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0022] Reference Figure 1 , Figure 2 , Figure 3 One embodiment provided by this utility model:
[0023] An anti-UV aging yarn binding structure includes a yarn binding body 1, a first reinforcing core 2 at the outer end of the yarn binding body 1, a second reinforcing core 3 at the inner end of the yarn binding body 1, a protective layer 101, a support layer 102 at the inner end of the protective layer 101, and an anti-aging layer 103 at the inner end of the support layer 102. The first reinforcing core 2 is made of high-strength polyester yarn, the second reinforcing core 3 is made of glass fiber yarn, the protective layer 101 is made of polyvinyl chloride, the support layer 102 is made of high-strength polyester, and the anti-aging layer 103 is made of high-density polyethylene.
[0024] Specifically, the No. 1 reinforcing core 2 is set at the outer end of the yarn binding body 1 and is made of high-strength polyester yarn. It can improve the load-bearing capacity of the outer end, enhance tensile strength and durability, and reduce the deformation of the outer end caused by tension fluctuations. Therefore, it can maintain the stability of the end geometry under long-term tension fluctuations and external impacts, and improve the overall reliability and safety.
[0025] The second reinforcing core 3 is located at the inner end of the yarn binding body 1 and is made of glass fiber. It can improve the tensile strength and rigidity of the yarn binding body 1, improve the force transmission at the inner end, prevent local deformation, and the glass fiber material has good thermal stability, which helps to maintain mechanical properties in high temperature environment, thereby improving the working stability and service life under high temperature conditions.
[0026] The protective layer 101 of the yarn body 1 is made of polyvinyl chloride, which can effectively block ultraviolet rays and water vapor, reduce the impact of water vapor or moisture on internal components, and thus improve durability and long-term performance stability under harsh climatic conditions.
[0027] The support layer 102 is made of high-strength polyester, which can provide superior structural support, improve overall rigidity and torsional resistance. Moreover, high-strength polyester has high tensile strength and wear resistance, which can extend service life and reduce maintenance frequency. Therefore, it maintains rigidity and deformation control in dynamic load and friction environment, reducing the risk of failure.
[0028] The anti-aging layer 103 is made of high-density polyethylene, which can enhance the device's resistance to aging factors such as ultraviolet rays, oxidation, and thermal degradation, and extend its service life. Moreover, high-density polyethylene usually has low permeability, which can effectively block the intrusion of moisture and chemical media. Therefore, it maintains structural integrity and performance stability under long-term exposure, humid or chemical environments, and improves overall durability and maintenance efficiency.
[0029] It should be noted that the protective layer 101, the support layer 102 and the anti-aging layer 103 are connected by hot-press bonding, which can significantly improve the overall tensile strength, bending stiffness and shear resistance of the three layers, and reduce the risk of interface slippage or delamination.
[0030] Working Principle: The No. 1 reinforcing core 2, made of high-strength polyester yarn, is located at the outer end of the yarn binding body 1, enhancing its load-bearing capacity. The No. 2 reinforcing core 3, made of glass fiber yarn, is located at the inner end of the yarn binding body 1, improving its tensile strength and rigidity. The protective layer 101 of the yarn binding body 1 is made of polyvinyl chloride, effectively blocking ultraviolet rays and moisture. The support layer 102, made of high-strength polyester, provides superior structural support, enhancing overall rigidity and torsional resistance. The anti-aging layer 103, made of high-density polyethylene, improves the device's resistance to aging factors such as ultraviolet radiation, oxidation, and thermal degradation, extending its service life.
[0031] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.
Claims
1. A UV-resistant yarn binding structure, comprising a yarn binding body (1), characterized in that: The outer end of the yarn binding body (1) is provided with a first reinforcing core (2), and the inner end of the yarn binding body (1) is provided with a second reinforcing core (3). The yarn binding body (1) includes a protective layer (101), a support layer (102) is provided at the inner end of the protective layer (101), and an anti-aging layer (103) is provided at the inner end of the support layer (102).
2. The UV-resistant yarn binding structure according to claim 1, characterized in that: The first reinforcing core (2) is made of high-strength polyester yarn.
3. The UV-resistant yarn binding structure according to claim 1, characterized in that: The second reinforcing core (3) is made of glass fiber filaments.
4. The UV-resistant yarn binding structure according to claim 1, characterized in that: The protective layer (101) is made of polyvinyl chloride.
5. The UV-resistant yarn binding structure according to claim 1, characterized in that: The support layer (102) is made of high-strength polyester.
6. The UV-resistant yarn binding structure according to claim 1, characterized in that: The anti-aging layer (103) is made of high-density polyethylene.