CN221079003U - Butterfly-shaped lead-in optical cable - Google Patents
Butterfly-shaped lead-in optical cable Download PDFInfo
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- CN221079003U CN221079003U CN202322825427.2U CN202322825427U CN221079003U CN 221079003 U CN221079003 U CN 221079003U CN 202322825427 U CN202322825427 U CN 202322825427U CN 221079003 U CN221079003 U CN 221079003U
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- butterfly
- optical cable
- drop cable
- cable according
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- 230000003287 optical effect Effects 0.000 title abstract description 48
- 239000013307 optical fiber Substances 0.000 claims abstract description 35
- 239000000835 fiber Substances 0.000 claims abstract description 13
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 8
- 239000000463 material Substances 0.000 claims description 17
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical group N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 9
- 239000003063 flame retardant Substances 0.000 claims description 9
- 229920000098 polyolefin Polymers 0.000 claims description 9
- 239000003733 fiber-reinforced composite Substances 0.000 claims description 8
- 229920000728 polyester Polymers 0.000 claims description 7
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 229920006231 aramid fiber Polymers 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- KAATUXNTWXVJKI-UHFFFAOYSA-N cypermethrin Chemical compound CC1(C)C(C=C(Cl)Cl)C1C(=O)OC(C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 KAATUXNTWXVJKI-UHFFFAOYSA-N 0.000 claims 2
- 238000005452 bending Methods 0.000 abstract description 10
- 230000035939 shock Effects 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000007774 longterm Effects 0.000 abstract description 3
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000005489 elastic deformation Effects 0.000 description 2
- 239000011151 fibre-reinforced plastic Substances 0.000 description 2
- 229920000271 Kevlar® Polymers 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004761 kevlar Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Abstract
A butterfly drop cable comprising: the left waist and the right waist of the butterfly unit are provided with tearing grooves, and the outer parts of the tearing grooves are provided with outer jackets; the upper part and the lower part of the butterfly unit are symmetrically provided with reinforcing pieces; the center of the butterfly unit is provided with a cavity; the center of cavity is provided with optic fibre, and the outside parcel of optic fibre has the inner sheath, is provided with everywhere suspender between the inner sheath outside and the butterfly unit inboard, and the one end fixed connection of suspender is outside to the inner sheath, and the other end fixed connection is inboard to the butterfly unit. The butterfly-shaped lead-in optical cable can improve the shock resistance of the optical fibers in the optical cable and prevent the optical fibers from being directly broken under the stress; the bending radius of the butterfly-shaped lead-in optical cable can be increased, the risk of the attenuation of the optical fiber in the butterfly-shaped lead-in optical cable after being stressed is reduced, and the long-term service life of the butterfly-shaped lead-in optical cable is prolonged.
Description
Technical Field
The utility model relates to the technical field of optical communication, in particular to a butterfly-shaped lead-in optical cable.
Background
Butterfly-shaped lead-in optical cables are widely applied in the technical field of optical communication, but the traditional butterfly-shaped optical cables have large optical fiber attenuation when being bent and routed for 90 degrees, and have poor bending resistance and impact resistance.
Disclosure of Invention
In order to solve the above problems, the present utility model provides a butterfly-shaped drop cable.
To achieve the object of the present utility model, there is provided a butterfly-shaped drop cable comprising:
the left waist and the right waist of the butterfly unit are provided with tearing grooves, and the outer parts of the tearing grooves are provided with outer jackets;
The upper part and the lower part of the butterfly unit are symmetrically provided with reinforcing pieces;
The center of the butterfly unit is provided with a cavity;
The center of cavity is provided with optic fibre, and the outside parcel of optic fibre has the inner sheath, is provided with everywhere suspender between the inner sheath outside and the butterfly unit inboard, and the one end fixed connection of suspender is outside to the inner sheath, and the other end fixed connection is inboard to the butterfly unit.
Further, the cross section of the cavity is circular.
Further, the reinforcing member is a steel wire, an aramid fiber reinforced composite material (KFRP: kevlar Fiber Reinforced Polymer) or a fiber reinforced composite material (FRP: fiber Reinforced Polymer).
Furthermore, the hanging strips are arranged at intervals of 90 degrees, and the hanging strips are made of flame-retardant polyolefin materials.
Optionally, a tearing rope is arranged in the tearing groove, and the tearing rope is a polyester tearing rope.
Further, the inner sheath and the outer sheath are both made of flame-retardant polyolefin materials.
Further, the optical fiber is a single mode optical fiber or a multimode optical fiber.
The butterfly-shaped lead-in optical cable has the beneficial effects that the center of the butterfly-shaped lead-in optical cable is provided with the cavity, four hanging strips are arranged between the outer side of the inner sheath and the inner side of the butterfly-shaped unit, the four hanging strips are arranged at intervals of 90 degrees, the cavity is divided into 4 small cavities, one side of the optical cable is tightly attached to a wall during wiring, the size of the 4 small cavities in the interior can be changed, the space of the small cavities can enable the small cavities to move left and right to increase the bending radius of optical fibers, the shock resistance performance of the optical fibers can be improved, and the optical fibers are prevented from being directly broken under stress; when the optical cable wiring is bent at right angles, one side of the optical cable, which is close to the wall, can be stressed, the outer sheath of the optical cable generates elastic deformation, the pressure is extruded to the center of the optical cable through the outer sheath, the cavity, which is close to one side of the wall, is extruded to the inner optical fiber, and the optical fiber is stressed to the opposite side to generate displacement, so that the bending radius of the butterfly-shaped introducing optical cable is increased, the risk of the attenuation of the optical fiber in the butterfly-shaped introducing optical cable after being stressed is reduced, and the long service life of the butterfly-shaped introducing optical cable is prolonged.
Drawings
FIG. 1 is a block diagram of a butterfly drop cable of the present application;
Reference numerals: 1. a reinforcing member; 2. a cavity; 3. a tear groove; 4. an inner sheath; 5. an optical fiber; 6. an outer sheath; 7. a hanging belt; 8. butterfly units.
Detailed Description
The utility model is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
According to a first aspect of the present utility model, there is provided, as shown in fig. 1, a butterfly drop cable comprising:
the left waist and the right waist of the butterfly unit are provided with tearing grooves, and the outer parts of the tearing grooves are provided with outer jackets;
The upper part and the lower part of the butterfly unit are symmetrically provided with reinforcing pieces;
The center of the butterfly unit is provided with a cavity;
The center of cavity is provided with optic fibre, and the outside parcel of optic fibre has the inner sheath, is provided with everywhere suspender between the inner sheath outside and the butterfly unit inboard, and the one end fixed connection of suspender is outside to the inner sheath, and the other end fixed connection is inboard to the butterfly unit.
The utility model discloses a butterfly-shaped lead-in optical cable, which comprises a butterfly-shaped unit, wherein a cavity is arranged in the center of the butterfly-shaped unit; the center of cavity is provided with optic fibre, the outside parcel of optic fibre has the inner sheath, be provided with everywhere suspender between the inner sheath outside and the butterfly unit inboard, the one end fixed connection of suspender is connected to the inner sheath outside, and the other end fixed connection is connected to the butterfly unit inboard. Optionally, the suspender is flexible material, both possesses certain intensity, also possesses certain flexibility, and optic fibre can be in the cavity about so and reciprocate for optic fibre changes the curve state that various bending degree are different from original straight line state, has improved the adaptability of optic fibre. Particularly, when the butterfly-shaped optical cable is fixed on a wall for wiring, one side of the optical cable is tightly attached to the wall, 4 small cavities in the inner part can be flexibly changed under the condition of being stressed, the space of the small cavities can enable the small cavities to move left and right to increase the bending radius of the optical fibers, the shock resistance of the small cavities can be improved, and the optical fibers are prevented from being directly broken under the stress; when the optical cable wiring is bent at right angles, one side of the optical cable, which is close to the wall, can be stressed, the outer sheath of the optical cable generates elastic deformation, the pressure is extruded to the center of the optical cable through the outer sheath, a small cavity, which is close to one side of the wall, is extruded to the optical fiber at the center of the optical cable, and the optical fiber is stressed to the opposite side to generate displacement, so that the bending radius of the optical cable is increased, the risk of the attenuation of the optical fiber after being stressed is reduced, and the long-term service life of the optical cable is prolonged. The left waist and the right waist of the butterfly unit are provided with tearing grooves, so that the outer sheath can be conveniently stripped for wiring. The outer sheath is arranged outside the tearing groove, so that water immersion or impurities can be prevented from entering the optical cable. The butterfly unit upper portion and lower part symmetry are provided with the reinforcement, can improve the structural strength of optical cable.
The butterfly-shaped lead-in optical cable can improve the shock resistance of the optical fibers in the optical cable and prevent the optical fibers from being directly broken under the stress; the bending radius of the butterfly-shaped lead-in optical cable can be increased, the risk of the attenuation of the optical fiber in the butterfly-shaped lead-in optical cable after being stressed is reduced, and the long-term service life of the butterfly-shaped lead-in optical cable is prolonged.
Further, the cross section of the cavity is circular.
The cross section of the cavity is circular, and the circular area is larger than the patterns such as rectangle, triangle and the like under the condition of fixed perimeter, so that the circular cross section can enlarge the movable space of the optical fiber in the butterfly-shaped lead-in optical cable, and the shock resistance of the optical fiber is improved.
Further, the reinforcing member is a steel wire, an aramid fiber reinforced composite material or a fiber reinforced composite material.
The reinforcing piece is made of steel wires, aramid fiber reinforced composite materials or fiber reinforced composite materials, so that the structural strength of the butterfly-shaped lead-in optical cable can be improved, and the bending resistance of the optical cable can be improved.
Optionally, a polyester tearing rope is arranged in the tearing groove, and the tearing rope is a polyester tearing rope.
The polyester tearing rope is arranged in the tearing groove, so that the butterfly-shaped lead-in optical cable is prevented from being invaded by external media, and the butterfly-shaped lead-in optical cable is more conveniently stripped. The tearing rope is made of polyester, and the polyester material has higher wear resistance and durability, is not easy to wear and deform, is suitable for long-time use, and improves the durability of the tearing rope.
Furthermore, the hanging strips are arranged at intervals of 90 degrees, and the hanging strips are made of flame-retardant polyolefin materials.
The slings are arranged at intervals of 90 degrees around to form a circle, the central optical fiber is protected, when external force extrusion is received, the slings can better share pressure around, the structural strength of the butterfly-shaped lead-in optical cable is improved, and the bending resistance of the optical fiber is improved. The suspender is made of flame-retardant polyolefin, so that the fireproof performance of the butterfly-shaped lead-in optical cable can be improved.
Further, the inner sheath and the outer sheath are both made of flame-retardant polyolefin materials.
The inner sheath and the outer sheath are both made of flame-retardant polyolefin materials, so that the fireproof performance of the butterfly-shaped lead-in optical cable can be improved.
Further, the optical fiber is a single mode optical fiber or a multimode optical fiber.
The optical fiber is a single-mode optical fiber or a multi-mode optical fiber, so that the butterfly-shaped leading-in optical cable can adopt various optical fibers, and the adaptability is improved.
In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
In the description of the present utility model, it should be understood that the terms "top," "bottom," "upper," "lower," and the like indicate or are used in the following description of the utility model, merely for convenience in describing the utility model and to simplify the description, but do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model.
In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art in a specific case.
The terms first and second in the description and claims of the application and in the description of the figures above are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that the embodiments of the application described herein may be implemented, for example, in sequences other than those illustrated or otherwise described herein.
Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present utility model, and not for limiting the same; although the utility model has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the utility model.
Claims (10)
1. A butterfly drop cable comprising:
The left waist and the right waist of the butterfly unit are provided with tearing grooves, and the outer parts of the tearing grooves are provided with outer jackets;
reinforcing pieces are symmetrically arranged on the upper part and the lower part of the butterfly unit;
a cavity is formed in the center of the butterfly unit;
The center of cavity is provided with optic fibre, the outside parcel of optic fibre has the inner sheath, be provided with everywhere suspender between the inner sheath outside and the butterfly unit inboard, the one end fixed connection of suspender is outside to the inner sheath, and the other end fixed connection is inside to the butterfly unit.
2. A butterfly drop cable according to claim 1, wherein the cavity is circular in cross-section.
3. A butterfly drop cable according to claim 1, wherein the strength members are steel wires, aramid fiber reinforced composites or fiber reinforced composites.
4. A butterfly drop cable according to claim 1, wherein a tear line is disposed within the tear groove.
5. The butterfly drop cable of claim 4, wherein the ripcord is a polyester ripcord.
6. A butterfly drop cable according to claim 1 wherein the four slings are disposed 90 ° apart.
7. A butterfly drop cable according to claim 1, wherein the inner jacket is a flame retardant polyolefin material.
8. A butterfly drop cable according to claim 1, wherein the outer jacket is a flame retardant polyolefin material.
9. A butterfly drop cable according to claim 1 wherein the optical fiber is a single mode or multimode optical fiber.
10. A butterfly drop cable according to claim 1, wherein the harness is of flame retardant polyolefin.
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221079003U true CN221079003U (en) | 2024-06-04 |
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| Date | Code | Title | Description |
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| GR01 | Patent grant |