A wear-resistant and flame-retardant ultra-long optical fiber sheath

Abstract

The present invention discloses a wear-resistant and flame-retardant super-long optical fiber sheath, which is composed of an optical fiber sleeve and an optical fiber traction rope. The optical fiber sleeve is used in conjunction with the optical fiber traction rope. The optical fiber sleeve is woven from nylon yarn, PET monofilament and nylon monofilament, and the optical fiber traction rope is woven from polypropylene fiber yarn. The optical fiber sleeve includes a plurality of composite webbings, each of which has a drop-shaped cross section, and a storage portion is formed inside each composite webbing. The optical fiber is pulled through and arranged in the storage portion by the optical fiber traction rope. Compared with the existing optical fiber sheath structure, the present invention is more compact, occupies less space, is flexible and convenient to disassemble and assemble, can be cut and trimmed, has the characteristics of wear resistance, flame retardancy, and long-distance use, can be used normally under harsh conditions, has a long service life, which is dozens of times the service life of the existing optical fiber sheath, and is cost-effective.

Description

Technical Field

[0001] The invention relates to the technical field of optical fiber protection, and in particular to a wear-resistant and flame-retardant super-long optical fiber sheath. Background Art

[0002] In recent years, with the continuous development of society and the continuous advancement of science, more and more fields have adopted optical fiber for circuit connection and conduction. Optical fiber generally includes metal wires and insulating rubber for protecting the metal wires. At the same time, optical fiber generally needs to be connected over long distances and outdoors. The insulating rubber is exposed to the air for a long time without protection and is prone to aging and hardening of the insulating rubber after long-term use, thereby failing to protect the metal wires. Therefore, technical personnel in this field have developed a way of optical fiber protective sleeves to protect outdoor optical fibers. The existing optical fiber protective sleeves are often simply wrapped with some protective tapes. Such a structural design not only has no closing and is easy to fall off, but also occupies a large space and cannot effectively protect wires and cables. Moreover, the existing optical fibers are all placed inside the same optical fiber protective sleeve. Once the insulating rubber of the two optical fibers is damaged, it is easy to cause safety hazards. At the same time, the existing optical fiber protective sleeves are generally made of plastic materials, and plastic materials are also easy to damage and age, and have a short service life. In addition, the existing optical fiber protective sleeves have poor wear resistance and cannot be used normally in harsh working environments.

[0003] Therefore, the market is in urgent need of a wear-resistant, flame-retardant, ultra-long optical fiber sheath to solve this problem. Summary of the invention

[0004] In view of the deficiencies in the prior art, the present invention proposes a wear-resistant, flame-retardant, ultra-long optical fiber sheath. Compared with the existing optical fiber sheath, the structure is more compact, occupies less space, is flexible and convenient to disassemble and assemble, can be cut and trimmed, has the characteristics of wear resistance, flame retardancy, long service distance and suitability for outdoor use, can be used normally under harsh conditions, has a long service life, which is dozens of times that of the existing optical fiber sheath, and is highly cost-effective.

[0005] To achieve the above purpose, the present invention adopts the following technical solutions:

[0006] A wear-resistant and flame-retardant extra-long optical fiber sheath, consisting of an optical fiber sleeve and an optical fiber traction rope, the optical fiber sleeve and the optical fiber traction rope are used in conjunction with each other, the optical fiber sleeve is woven from nylon yarn, PET monofilament and nylon monofilament, the optical fiber traction rope is woven from polypropylene fiber yarn, the optical fiber sleeve includes a plurality of composite webbings, each of which has a drop-shaped cross-section, a storage portion is formed inside each composite webbing, and the optical fiber is pulled through the optical fiber traction rope and is arranged in the storage portion.

[0007] As a further elaboration of the above technical solution:

[0008] In the above technical solution, the plurality of composite webbings are three composite webbings, and one end of each composite webbing is provided with a closing portion, and the closing portion is closed by nylon monofilament and nylon and the three composite webbings are sewn together.

[0009] In the above technical solution, the nylon yarn is arranged in the warp direction, the PET monofilament is arranged in the weft direction, the nylon yarn and the PET monofilament are arranged vertically and cross-arranged to form a mesh, and the nylon monofilament is arranged between two adjacent nylon yarns.

[0010] In the above technical solution, the number of strands of the nylon yarn is 1 strand, the nylon yarn is 140D nylon yarn, the unit weight of the nylon yarn is 0.002 kg / M, and the percentage of the nylon yarn in the finished product is 7.46%.

[0011] In the above technical solution, the number of strands of the PET monofilament is 264, the wire diameter of the PET monofilament is 0.25±0.01 mm, the unit weight of the PET monofilament is 0.0123 kg / M, and the percentage of the PET monofilament in the finished product is 45%.

[0012] In the above technical solution, the number of strands of the nylon monofilament is 1, the wire diameter of the nylon monofilament is 0.15±0.01 mm, the unit weight of the nylon monofilament is 0.0036 kg / M, and the percentage of the nylon monofilament in the finished product is 13.17%.

[0013] In the above technical solution, the width of the composite webbing when unfolded is 105 mm, and the width of the composite webbing when closed and folded is 52 mm.

[0014] In the above technical solution, the polypropylene fiber includes warp polypropylene fiber, weft polypropylene fiber and closing polypropylene fiber, the warp polypropylene fiber and the weft polypropylene fiber are staggered, the closing polypropylene fiber is used for closing, the number of strands of the warp polypropylene fiber is 56, the number of strands of the weft polypropylene fiber is 1, the number of strands of the closing polypropylene fiber is 1, the unit weight of the polypropylene fiber is 0.0094kg / M, and the percentage of the polypropylene fiber in the finished product is 34.37%.

[0015] In the above technical solution, the width of the polypropylene fiber is 12±0.5 mm.

[0016] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, compared with the existing optical fiber protective sleeve, the structure is more compact, the space it occupies is small, and the disassembly and assembly is quick and convenient. The optical fiber only needs to be introduced into the optical fiber sleeve through the optical fiber traction rope, and it can be cut and trimmed at the same time. Optical fiber sleeves of different specifications can be selected according to different customer usage requirements. The optical fiber sleeve is woven from nylon yarn, PET silk material and nylon monofilament. It has a multi-layer design and has good wear resistance, softness, light weight and is suitable for long outdoor use. The length of a single optical fiber protective sleeve can reach two kilometers, with good flame retardant effect and a wide range of protective applications. It can be used normally under harsh conditions and has a long service life, which is dozens of times that of existing optical fiber sheaths and is cost-effective.

[0017] In order to more clearly explain the structural features, technical means and specific purposes and functions achieved by the present invention, the present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0019] Figure 2 It is a schematic diagram of the structure of the optical fiber sleeve;

[0020] Figure 3 This is a schematic diagram of the structure of the optical fiber traction rope

[0021] Figure 4 is a schematic diagram of the cross-sectional structure of the optical fiber sleeve;

[0022] Figure 5 This is an enlarged view of the local structure of the optical fiber sleeve.

[0023] Explanation of the symbols in the accompanying drawings: 1. Fiber optic sleeve; 11. Nylon yarn; 12. PET monofilament; 13. Nylon monofilament; 14. Composite webbing; 15. Storage part; 16. Closing part; 2. Fiber optic traction rope; 22. Warp polypropylene fiber; 23. Weft polypropylene fiber; 24. Closing polypropylene fiber. DETAILED DESCRIPTION

[0024] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside" and "outside" etc. indicate directions or positional relationships based on the directions or positional relationships shown in the accompanying drawings. They are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the positions or elements referred to must have specific directions, be constructed and operated in specific directions. Therefore, they should not be understood as limitations on the present invention.

[0025] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] like Figure 1-5 As shown, a wear-resistant and flame-retardant extra-long optical fiber sheath consists of an optical fiber sleeve 1 and an optical fiber traction rope 2. The optical fiber sleeve 1 is used in conjunction with the optical fiber traction rope 2. The optical fiber sleeve 1 is woven from nylon yarn 11, PET monofilament 12 and nylon monofilament 13. The optical fiber traction rope 2 is woven from polypropylene fiber yarn 21. The optical fiber sleeve 1 includes a plurality of composite webbings 14, each of which has a teardrop-shaped cross-section. A storage portion 15 is formed inside each of the composite webbings 14, and the optical fiber is pulled through the optical fiber traction rope 2 and is arranged in the storage portion 15.

[0027] As a further improvement of the present invention, the plurality of composite webbings 14 are three composite webbings 14 , and one end of each composite webbing 14 is provided with a closing portion 16 , and the closing portion 16 is closed by nylon monofilament and nylon and sews the three composite webbings 14 together.

[0028] As a further improvement of the present invention, the nylon yarn 11 is arranged in the warp direction, the PET monofilament 12 is arranged in the weft direction, the nylon yarn 11 and the PET monofilament 12 are arranged vertically and cross-arranged to form a mesh, and the nylon monofilament 13 is arranged between two adjacent nylon yarns 11.

[0029] As a further improvement of the present invention, the number of strands of the nylon yarn 11 is 1 strand, the nylon yarn 11 is 140D nylon yarn, the unit weight of the nylon yarn 11 is 0.002 kg / M, and the percentage of the nylon yarn 11 in the finished product is 7.46%.

[0030] As a further improvement of the present invention, the number of strands of the PET monofilament 12 is 264, the wire diameter of the PET monofilament 12 is 0.25±0.01 mm, the unit weight of the PET monofilament 12 is 0.0123 kg / M, and the percentage of the PET monofilament 12 in the finished product is 45%.

[0031] As a further improvement of the present invention, the number of strands of the nylon monofilament 13 is 1, the wire diameter of the nylon monofilament 13 is 0.15±0.01 mm, the unit weight of the nylon monofilament 13 is 0.0036 kg / M, and the percentage of the nylon monofilament 13 in the finished product is 13.17%.

[0032] As a further improvement of the present invention, the width of the composite webbing 14 when unfolded is 105 mm, and the width of the composite webbing 14 when closed and folded is 52 mm.

[0033] As a further improvement of the present invention, the polypropylene fiber 21 includes a warp polypropylene fiber 22, a weft polypropylene fiber 23 and a closing polypropylene fiber 24, the warp polypropylene fiber 22 and the weft polypropylene fiber 23 are staggered, the closing polypropylene fiber 24 is used for closing, the number of strands of the warp polypropylene fiber 22 is 56, the number of strands of the weft polypropylene fiber 23 is 1, the number of strands of the closing polypropylene fiber 24 is 1, the unit weight of the polypropylene fiber 22 is 0.0094 kg / M, and the percentage of the polypropylene fiber 22 in the finished product is 34.37%.

[0034] As a further improvement of the present invention, the width of the polypropylene fiber 22 is 12±0.5 mm.

[0035] In this embodiment, the working temperature of the present invention is -40°C - +125°C, the melting point is 250±5°C, and it can be cut by a hot knife.

[0036] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Therefore, any modification, equivalent replacement, improvement, etc. made to the above embodiment based on the technical practice of the present invention still falls within the scope of the technical solution of the present invention.

Claims

1. A wear-resistant, flame-retardant, ultra-long optical fiber sheath, characterized in that: It consists of an optical fiber sleeve and an optical fiber traction rope, which are used in conjunction with the optical fiber traction rope. The optical fiber sleeve is woven from nylon yarn, PET monofilament and nylon monofilament, the nylon yarn is arranged in the warp direction, the PET monofilament is arranged in the weft direction, the nylon yarn and the PET monofilament are arranged vertically and cross-arranged to form a mesh, the nylon monofilament is arranged between two adjacent nylon yarns, and the optical fiber traction rope is woven from polypropylene fiber yarn. The optical fiber sleeve includes a plurality of composite webbings, each of which has a water drop-shaped cross section, and a storage portion is formed inside each composite webbing. The optical fiber is pulled through the storage portion by the optical fiber traction rope.

2. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The plurality of composite webbings are three composite webbings, and one end of each composite webbing is provided with a closing portion, and the closing portion is closed by nylon monofilament and nylon and the three composite webbings are sewn together.

3. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The number of strands of the nylon yarn is 1 strand, the nylon yarn is 140D nylon yarn, the unit weight of the nylon yarn is 0.002 kg / M, and the percentage of the nylon yarn in the finished product is 7.46%.

4. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The number of strands of the PET monofilament is 264, the diameter of the PET monofilament is 0.25±0.01 mm, the unit weight of the PET monofilament is 0.0123 kg / M, and the percentage of the PET monofilament in the finished product is 45%.

5. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The number of strands of the nylon monofilament is 1, the diameter of the nylon monofilament is 0.15±0.01 mm, the unit weight of the nylon monofilament is 0.0036 kg / M, and the percentage of the nylon monofilament in the finished product is 13.17%.

6. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 2, characterized in that: The width of the composite webbing when unfolded is 105 mm, and the width of the composite webbing when closed and folded is 52 mm.

7. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The polypropylene fibers include warp polypropylene fibers, weft polypropylene fibers and closing polypropylene fibers, the warp polypropylene fibers and the weft polypropylene fibers are staggered, the closing polypropylene fibers are used for closing, the number of strands of the warp polypropylene fibers is 56, the number of strands of the weft polypropylene fibers is 1, the number of strands of the closing polypropylene fibers is 1, the unit weight of the polypropylene fibers is 0.0094 kg / M, and the percentage of the polypropylene fibers in the finished product is 34.37%.

8. The wear-resistant, flame-retardant, ultra-long optical fiber sheath according to claim 1, characterized in that: The width of the polypropylene fiber is 12±0.5 mm.

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