CN214201873U

CN214201873U - Wear-resistant flame-retardant ultra-long optical fiber sheath

Info

Publication number: CN214201873U
Application number: CN202120322034.8U
Authority: CN
Inventors: 李小平; 李双兴
Original assignee: Dongguan Liansi Electronics Co ltd
Current assignee: Dongguan Liansi Electronics Co ltd
Priority date: 2021-02-03
Filing date: 2021-02-03
Publication date: 2021-09-14
Anticipated expiration: 2031-02-03

Abstract

The utility model discloses a wear-resisting fire-retardant overlength type optical fiber sheath comprises optical fiber sleeve and optic fibre haulage rope, optical fiber sleeve uses with the optical fibre haulage rope is supporting, optical fiber sleeve is woven by polyamide fibre yarn, PET monofilament and nylon monofilament and is formed, the optical fibre haulage rope is woven by the polypropylene fiber yarn and is formed, optical fiber sleeve includes the compound meshbelt of a plurality of, and the cross section of every compound meshbelt all is the water droplet form, the inside formation portion of accomodating of every compound meshbelt, optic fibre run through the pulling of optic fibre haulage rope and set up in the portion of accomodating department. The utility model discloses compare in current optical fiber sheath structure more compact, shared space is little, and the dismouting is nimble convenient, can cut and tailor, has wear-resisting, and is fire-retardant, the characteristics of long distance use, also can normally be used under adverse conditions, long service life is tens of times of current optical fiber sheath life-span, and cost effectiveness is high.

Description

Wear-resistant flame-retardant ultra-long optical fiber sheath

Technical Field

The utility model relates to an optical fiber protection technical field, in particular to wear-resisting fire-retardant overlength type optical fiber sheath.

Background

In recent years, with the continuous development of society and the continuous progress of scientific level, more and more fields adopt optical fibers for circuit connection and conduction, the optical fibers generally comprise metal wires and insulating rubber for protecting the metal wires, meanwhile, the optical fibers generally need to be connected in a long distance and outdoors, the insulating rubber is exposed in the air for a long time in an unprotected state and is easy to age and harden after being used for a long time, so that the function of protecting the metal wires cannot be achieved, therefore, technical personnel in the field develop a mode of optical fiber protective sleeves for protecting outdoor optical fibers, the existing optical fiber protective sleeves are often simply wrapped by protective belts, the structural design is not only free from closing and easy to fall off, but also occupies a large space, cannot effectively protect electric wires and cables, and the existing optical fibers are all arranged in the same optical fiber protective sleeve, in case the insulating rubber of two optic fibre damages, then the potential safety hazard takes place easily, and present optic fibre protective sheath generally adopts the plastic material preparation simultaneously, and the plastic material has also existing fragile and the easy ageing condition of appearing, and the problem that life is short appears, and present optic fibre protective sheath still has the wearability poor, and the unable normal use problem under abominable operational environment appears.

Therefore, the abrasion-resistant flame-retardant ultra-long optical fiber sheath is urgently needed in the market to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide a wear-resisting fire-retardant overlength type optical fiber sheath, compare in current optical fiber sheath structure more compact, shared space is little, and the dismouting is nimble convenient, can cut and tailor, has wear-resisting, and is fire-retardant, and the service distance is long and be applicable to the characteristics of outdoor use, also can normally be used under adverse conditions, and long service life is tens times of current optical fiber sheath life-span, and cost effectiveness is high.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a wear-resisting fire-retardant overlength type optical fiber sheath, comprises optical fiber sleeve and optical fiber haulage rope, optical fiber sleeve uses with the optical fiber haulage rope is supporting, optical fiber sleeve is woven by polyamide fibre yarn, PET monofilament and nylon monofilament and is formed, the optical fiber haulage rope is woven by the polypropylene fiber yarn and is formed, optical fiber sleeve includes the compound meshbelt of a plurality of, and the cross section of every compound meshbelt all is the water droplet form, the inside formation portion of accomodating of every compound meshbelt, optic fibre runs through the pulling of optical fiber haulage rope and sets up in the portion of accomodating department.

As a further elaboration of the above technical solution:

in the technical scheme, the plurality of composite woven belts are three composite woven belts, one end of each composite woven belt is provided with a closing-in part, and the closing-in parts close up the nylon monofilaments and the chinlon and sew the three composite woven belts into a whole.

In the technical scheme, the nylon yarns are arranged in the warp direction, the PET monofilaments are arranged in the weft direction, the nylon yarns and the PET monofilaments are perpendicularly crossed and arranged to form meshes, and the nylon monofilaments are arranged between two adjacent strands of the nylon yarns.

In the technical scheme, the number of the strands of the nylon yarn is 1, the nylon yarn is 140D nylon yarn, the unit weight of the nylon yarn is 0.002kg/M, and the percentage of the nylon yarn in the finished product is 7.46%.

In the technical scheme, the number of strands of the PET monofilament is 264 strands, the filament diameter of the PET monofilament is 0.25 +/-0.01 mm, the unit weight of the PET monofilament is 0.0123kg/M, and the percentage of the PET monofilament in a finished product is 45%.

In the technical scheme, the number of strands of the nylon monofilament is 1, the filament diameter of the nylon monofilament is 0.15 +/-0.01 mm, the unit weight of the nylon monofilament is 0.0036kg/M, and the percentage of the nylon monofilament in a finished product is 13.17%.

In the above technical solution, the width of the composite woven tape when unfolded is 105mm, and the width of the composite woven tape when closed up and folded is 52 mm.

In the above technical scheme, polypropylene fiber includes warp direction polypropylene fiber, latitudinal direction polypropylene fiber and binding off polypropylene fiber, warp direction polypropylene fiber and latitudinal direction polypropylene fiber crisscross setting, binding off polypropylene fiber is used for the binding off, warp direction polypropylene fiber's thigh number is 56 strands, latitudinal direction polypropylene fiber's thigh number is 1 strand, binding off polypropylene fiber's thigh number is 1 strand, polypropylene fiber's unit weight is 0.0094kg/M, the shared finished product percentage of polypropylene fiber is 34.37%.

In the technical scheme, the width of the polypropylene fiber is 12 +/-0.5 mm.

Compared with the prior art, the utility model obvious advantage and beneficial effect have, particularly, compare in current optic fibre protective sheath, the structure is compacter, and its shared space is little, the dismouting is swift convenient, only need pass through optic fibre haulage rope with optic fibre leading-in optical fiber sleeve can, simultaneously can cut and tailor, can select the optical fiber sleeve of different specifications according to the different user demands of customer, and optical fiber sleeve adopts the polyamide fibre yarn, PET silk material is woven with the nylon monofilament and is formed, the multilayer design, has good wearability, the compliance, light in weight and be applicable to the long characteristics of outdoor service distance, single optical fibre protective sheath length can reach two kilometers, flame retardant efficiency is good, the protection range of application is wide, also can normally be used under adverse conditions, long service life, be tens times of current optic fibre sheath life, and high cost benefit.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of an optical fiber ferrule;

FIG. 3 is a schematic view of the construction of a fiber optic tether

FIG. 4 is a schematic cross-sectional view of an optical fiber ferrule;

FIG. 5 is an enlarged view of a portion of the optical fiber ferrule.

The attached drawings indicate the following: 1. an optical fiber ferrule; 11. nylon yarn; 12. PET monofilament; 13. nylon monofilament; 14. compounding the woven tape; 15. a storage section; 16. a closing-in part; 2. an optical fiber hauling cable; 22. warp-wise polypropylene fibers; 23. weft polypropylene fibers; 24. closing up polypropylene fiber.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1-5, a wear-resistant flame-retardant super-long optical fiber sheath is composed of an optical fiber sleeve 1 and an optical fiber traction rope 2, the optical fiber sleeve 1 is used with the optical fiber traction rope 2 in a matching manner, the optical fiber sleeve 1 is woven by nylon yarns 11, PET monofilaments 12 and nylon monofilaments 13, the optical fiber traction rope 2 is woven by polypropylene fiber yarns 21, the optical fiber sleeve 1 includes a plurality of composite woven ribbons 14, the cross section of each composite woven ribbon 14 is in a water-drop shape, a storage portion 15 is formed inside each composite woven ribbon 14, and optical fibers are arranged at the storage portion 15 in a penetrating manner by pulling the optical fiber traction rope 2.

As a further improvement of the utility model, the compound meshbelt 14 of a plurality of is three compound meshbelt 14, and the one end of every compound meshbelt 14 all is provided with the portion of closing up 16, the portion of closing up 16 closes up and makes up three compound meshbelt 14 in an organic whole through nylon monofilament and polyamide fibre.

As a further improvement, 11 warp direction settings of polyamide fibre yarn, the 12 latitudinal direction settings of PET monofilament, polyamide fibre yarn 11 just forms the mesh with the 12 vertical cross arrangement of PET monofilament, nylon monofilament 13 sets up between adjacent two strands of polyamide fibre yarn 11.

As a further improvement of the utility model, the strand number of polyamide fibre yarn 11 is 1 strand, polyamide fibre yarn 11 is 140D polyamide fibre yarn, polyamide fibre yarn 11's unit weight is 0.002kg/M, the shared finished product percentage of polyamide fibre yarn 11 is 7.46%.

As the further improvement of the utility model, the strand number of PET monofilament 12 is 264 strands, the silk footpath of PET monofilament 12 is 0.25 +/-0.01 mm, the unit weight of PET monofilament 12 is 0.0123kg/M, the shared finished product percentage of PET monofilament 12 is 45%.

As the further improvement of the utility model, the number of strands of nylon monofilament 13 is 1 strand, the silk diameter of nylon monofilament 13 is 0.15 +/-0.01 mm, the unit weight of nylon monofilament 13 is 0.0036kg/M, the shared finished product percentage of nylon monofilament 13 is 13.17%.

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

As the utility model discloses a further improvement, polypropylene fiber 21 includes warp direction polypropylene fiber 22, latitudinal direction polypropylene fiber 23 and binding off polypropylene fiber 24, warp direction polypropylene fiber 22 sets up with latitudinal direction polypropylene fiber 23 is crisscross, binding off polypropylene fiber 24 is used for binding off, warp direction polypropylene fiber 22's thigh number is 56 strands, weft direction polypropylene fiber 23's thigh number is 1 strand, binding off polypropylene fiber 24's thigh number is 1 strand, polypropylene fiber 22's unit weight is 0.0094kg/M, the shared finished product percentage of polypropylene fiber 22 is 34.37%.

As a further improvement of the present invention, the width of the polypropylene fiber 22 is 12 + -0.5 mm.

In the embodiment, the working temperature of the utility model is-40 to +125 ℃, the melting point is 250 +/-5 ℃, and the cutting can be carried out by a hot knife.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims

1. The utility model provides a wear-resisting fire-retardant overlength type optical fiber sheath, its characterized in that comprises optical fiber sleeve and optical fiber haulage rope, optical fiber sleeve uses with the optical fiber haulage rope is supporting, optical fiber sleeve is woven by polyamide fibre yarn, PET monofilament and nylon monofilament and is formed, the optical fiber haulage rope is woven by the polypropylene fiber yarn and is formed, optical fiber sleeve includes the compound meshbelt of a plurality of, and the cross section of every compound meshbelt all is the drop form, the inside formation of every compound meshbelt accomodates the portion, and optic fibre runs through the pulling of optical fiber haulage rope and sets up in portion department of accomodating.

2. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 1, wherein the plurality of composite woven tapes are three composite woven tapes, one end of each composite woven tape is provided with a closing-in portion, the closing-in portion is closed by nylon monofilament and nylon, and the three composite woven tapes are sewn into a whole.

3. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 1, wherein the nylon yarns are arranged in a warp direction, the PET monofilaments are arranged in a weft direction, the nylon yarns and the PET monofilaments are perpendicularly crossed to form a mesh, and the nylon monofilaments are arranged between two adjacent nylon yarns.

4. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 1, wherein the number of the nylon yarns is 1, the nylon yarns are 140D nylon yarns, and the unit weight of the nylon yarns is 0.002 kg/M.

5. The sheath of claim 1, wherein the number of strands of the PET monofilament is 264, the filament diameter of the PET monofilament is 0.25 ± 0.01mm, and the unit weight of the PET monofilament is 0.0123 kg/M.

6. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 1, wherein the number of strands of the nylon monofilament is 1, the filament diameter of the nylon monofilament is 0.15 ± 0.01mm, and the unit weight of the nylon monofilament is 0.0036 kg/M.

7. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 2, wherein the width of the composite ribbon when unfolded is 105mm, and the width of the composite ribbon when folded is 52 mm.

8. The abrasion-resistant flame-retardant ultra-long optical fiber sheath according to claim 1, wherein the polypropylene fibers comprise warp polypropylene fibers, weft polypropylene fibers and closing-in polypropylene fibers, the warp polypropylene fibers and the weft polypropylene fibers are arranged in a staggered manner, the closing-in polypropylene fibers are used for closing in, 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-in polypropylene fibers is 1, and the unit weight of the polypropylene fibers is 0.0094 kg/M.

9. The abrasion-resistant flame-retardant over-length optical fiber sheath according to claim 1, wherein the polypropylene fiber has a width of 12 ± 0.5 mm.