CN221007939U - Double-sheath butterfly-shaped optical cable - Google Patents
Double-sheath butterfly-shaped optical cable Download PDFInfo
- Publication number
- CN221007939U CN221007939U CN202322777528.7U CN202322777528U CN221007939U CN 221007939 U CN221007939 U CN 221007939U CN 202322777528 U CN202322777528 U CN 202322777528U CN 221007939 U CN221007939 U CN 221007939U
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- CN
- China
- Prior art keywords
- butterfly
- optical cable
- sheath
- shaped optical
- outer sheath
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- 230000003287 optical effect Effects 0.000 title claims abstract description 51
- 230000003014 reinforcing effect Effects 0.000 claims abstract description 30
- 239000013307 optical fiber Substances 0.000 claims abstract description 16
- -1 polyethylene Polymers 0.000 claims abstract description 9
- 239000004698 Polyethylene Substances 0.000 claims abstract description 6
- 229920000573 polyethylene Polymers 0.000 claims abstract description 6
- 239000000835 fiber Substances 0.000 claims description 6
- 238000005728 strengthening Methods 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052782 aluminium Inorganic materials 0.000 claims description 5
- 239000002033 PVDF binder Substances 0.000 claims description 4
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 4
- 239000004800 polyvinyl chloride Substances 0.000 claims description 4
- 229920002981 polyvinylidene fluoride Polymers 0.000 claims description 4
- 239000004743 Polypropylene Substances 0.000 claims description 3
- 239000004760 aramid Substances 0.000 claims description 3
- 229920003235 aromatic polyamide Polymers 0.000 claims description 3
- 229920001155 polypropylene Polymers 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 3
- 238000005260 corrosion Methods 0.000 description 5
- 230000007797 corrosion Effects 0.000 description 5
- 239000004411 aluminium Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
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- Communication Cables (AREA)
Abstract
The utility model discloses a double-sheath butterfly-shaped optical cable which comprises a butterfly-shaped optical cable and an outer sheath, wherein the outer sheath is wrapped outside the butterfly-shaped optical cable, the butterfly-shaped optical cable consists of optical fibers, reinforcing members and an inner sheath, the reinforcing members are positioned on two sides of the optical fibers, the inner sheath is wrapped outside the optical fibers and the reinforcing members, V-shaped grooves are formed in two sides of the inner sheath, a tearing rope is arranged at the position, close to the inner sheath, of the V-shaped grooves, and reinforcing ribs are arranged between the tearing rope and the inner wall of the outer sheath. The double-sheath butterfly-shaped optical cable adopting the structure ensures the integral rigidity of the optical cable and avoids the obstruction generated when the outer sheath is torn, and the outer sheath is made of polyethylene, so that the cost is reduced, the wear resistance of the outer sheath is improved, and the butterfly-shaped optical cable is prevented from being exposed due to abrasion in the dragging process.
Description
Technical Field
The utility model relates to the technical field of optical cables, in particular to a double-sheath butterfly-shaped optical cable.
Background
The pipeline butterfly-shaped optical cable is one of various optical cables, and is mainly applied to the fields of intelligent buildings, digital communities, campus networks and the like because the section of the pipeline butterfly-shaped optical cable is like a butterfly shape.
The traditional butterfly-shaped optical cable applied to the optical communication network in the prior art gradually exposes a plurality of defects in laying and using along with the complexity of construction lines and the improvement of construction efficiency. The traditional self-supporting butterfly-shaped optical cable cannot smoothly pass through underground/aerial pipelines coated with a plurality of optical cables, and the traction force of the optical cable is too large, so that inconvenience is caused to construction, and the optical cable is often dragged on the ground or at a corner, so that the optical cable sheath is damaged or torn, a reinforcing part in the optical cable is exposed, the optical fiber transmission performance is unstable, and the service life is shortened. The cable sheath is often damaged during outdoor adherence wiring, and the reinforcement in the cable is exposed.
The traditional butterfly-shaped optical cable is affected by the environment in the use process, the optical cable sheath is often cracked to affect the optical fiber transmission performance, and optical communication is interrupted when severe.
Disclosure of utility model
The utility model aims to provide a double-sheath butterfly-shaped optical cable, which aims to solve the problem that the sheath of the butterfly-shaped optical cable is easy to crack in the background art and simultaneously enhances the mechanical property of the butterfly-shaped optical cable.
In order to achieve the above purpose, the utility model provides a double-sheath butterfly-shaped optical cable, which comprises a butterfly-shaped optical cable and an outer sheath, wherein the outer sheath is wrapped outside the butterfly-shaped optical cable, the butterfly-shaped optical cable consists of an optical fiber, a reinforcing member and an inner sheath, the reinforcing member is positioned at two sides of the optical fiber, the inner sheath is wrapped outside the optical fiber and the reinforcing member, V-shaped grooves are formed in two sides of the inner sheath, a tearing rope is arranged at the position, close to the inner sheath, of the V-shaped grooves, and reinforcing ribs are arranged between the tearing rope and the inner wall of the outer sheath.
Preferably, the optical fiber, the reinforcing member and the tear line are parallel.
Preferably, one side of the reinforcing rib is embedded in the tearing rope, and the other side of the reinforcing rib abuts against the inner wall of the outer sheath.
Preferably, the reinforcing ribs are arranged in a segmented mode.
Preferably, the two sides of the outer sheath far away from the V-shaped groove are provided with easy-to-tear lines.
Preferably, the inner sheath is made of polyvinyl chloride or polyvinylidene fluoride, the outer sheath is made of polyethylene, the reinforcing member is made of aramid yarn, the tearing rope is a polypropylene net-shaped tearing fiber rope, and the reinforcing rib is made of pure aluminum.
Therefore, the double-sheath butterfly-shaped optical cable adopting the structure ensures the integral rigidity of the optical cable and avoids the obstruction generated when the outer sheath is torn, and the outer sheath is made of polyethylene, so that the cost is reduced, the wear resistance of the outer sheath is improved, and the butterfly-shaped optical cable is prevented from being exposed due to abrasion in the dragging process; the easy-to-tear lines on the two side walls of the outer sheath facilitate stripping of the outer sheath; the whole optical cable has the advantages of strong rigidity, difficult skew, low production cost, good wear resistance and corrosion resistance and convenient erection.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
FIG. 1 is a front view of one embodiment of a dual-jacketed butterfly cable of the present utility model;
Fig. 2 is a partial cross-sectional view of one embodiment of a dual-jacketed butterfly cable of the utility model.
Reference numerals:
1. A butterfly-shaped optical cable; 2. an outer sheath; 3. an optical fiber; 4. a reinforcing member; 5. an inner sheath; 6. a V-shaped groove; 7. tearing the rope; 8. reinforcing ribs; 9. and (5) the line is easy to tear.
Detailed Description
The technical scheme of the utility model is further described below through the attached drawings and the embodiments.
Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this utility model belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another. The word "comprising" or "comprises", and the like, means that elements or items preceding the word are included in the element or item listed after the word and equivalents thereof, but does not exclude other elements or items. The terms "connected" or "connected," and the like, are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "upper", "lower", "left", "right", etc. are used merely to indicate relative positional relationships, which may also be changed when the absolute position of the object to be described is changed.
Examples
A double-sheath butterfly-shaped optical cable comprises a butterfly-shaped optical cable 1 and an outer sheath 2. The outer sheath 2 is made of polyethylene, has good low temperature resistance and chemical stability, can resist most of acid and alkali corrosion, has good wear resistance, and can furthest protect the internal structure when the optical cable is dragged. The outer sheath 2 wraps the butterfly-shaped optical cable 1 and is oval, the outer sheath 2 is far away from the V-shaped groove 6, two sides of the V-shaped groove are provided with easy-to-tear lines 9 which are convenient to tear, wherein the easy-to-tear lines 9 penetrate through the sleeve body of the whole outer sheath 2, and after tearing, the whole outer sheath 2 is divided into two arc-shaped halves.
The butterfly-shaped optical cable 1 comprises an optical fiber 3, a reinforcing member 4 and an inner sheath 5, wherein the optical fiber 3 is single-core or multi-core, the reinforcing member 4 is positioned at two sides of the optical fiber 3 and is parallel to the optical fiber 3, and the inner sheath 5 wraps the optical fiber 3 and the reinforcing member 4, so that the butterfly-shaped optical cable 1 is of an integrated structure. The reinforcing member 4 is made of aramid yarn, and has high flexibility and high tensile property; the inner sheath 5 is made of polyvinyl chloride or polyvinylidene fluoride, the polyvinyl chloride has good mechanical property, high electrical insulation, strong flexibility and good flame retardance, the polyvinylidene fluoride has good elasticity, light weight, low thermal conductivity, chemical corrosion resistance and good heat resistance, and the materials of the two inner sheaths 5 can be selected according to practical conditions.
The middle parts of the two sides of the inner sheath 5 are correspondingly provided with V-shaped grooves 6, so that the inner sheath 5 can be torn conveniently, and a semicircular column type tearing rope 7 is arranged in the V-shaped grooves 6 and close to the inner sheath 5, so that the outer sheath 2 can be torn conveniently. The tearing rope 7 is a polypropylene net-shaped tearing fiber rope, is soft and elastic, has strong physical and chemical properties such as tensile force, corrosion resistance, moisture resistance and the like, and is not easy to break in the tearing process.
Be located and tear rope 7 and be equipped with the strengthening rib 8 of pure aluminium material between the outer sheath 2 inner wall, the strengthening rib 8 of pure aluminium material can guarantee holistic mechanical strength, prevents the distortion, can reduce the hindrance when outer sheath 2 tears because of aluminium system's flexibility again. The strengthening rib 8 is the segmentation setting, prevents that the strengthening rib 8 of whole strip from causing the hindrance in tearing the pulling process, in the rope 7 was torn in embedding of strengthening rib 8 one side, its opposite side butt in oversheath 2 inner wall, increases holistic intensity and rigidity, prevents that the skew phenomenon that too big clearance caused from taking place between oversheath 2 and the inner sheath 5.
Therefore, the double-sheath butterfly-shaped optical cable adopting the structure ensures the integral rigidity of the optical cable and avoids the obstruction generated when the outer sheath is torn, and the outer sheath is made of polyethylene, so that the cost is reduced, the wear resistance of the outer sheath is improved, and the butterfly-shaped optical cable is prevented from being exposed due to abrasion in the dragging process; the easy-to-tear lines on the two side walls of the outer sheath facilitate stripping of the outer sheath; the whole optical cable has the advantages of strong rigidity, difficult skew, low production cost, good wear resistance and corrosion resistance and convenient erection.
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 it, and although the present utility model has been described in detail with reference to the preferred embodiments, it will be understood by those skilled in the art that: the technical scheme of the utility model can be modified or replaced by the same, and the modified technical scheme cannot deviate from the spirit and scope of the technical scheme of the utility model.
Claims (6)
1. A double-jacketed butterfly-shaped optical cable, characterized in that: including butterfly-shaped optical cable and oversheath, the oversheath parcel in butterfly-shaped optical cable is outside, butterfly-shaped optical cable comprises optic fibre, reinforcing member and inner sheath, reinforcing member is located the optic fibre both sides, the inner sheath parcel in optic fibre with reinforcing member is outside, the inner sheath both sides are equipped with the V-arrangement groove, the V-arrangement groove is pressed close to inner sheath department is equipped with tears the rope, tear the rope with be equipped with the strengthening rib between the oversheath inner wall.
2. A dual-jacketed butterfly cable according to claim 1, wherein: the optical fiber, the reinforcing member and the tearing rope are in a parallel state.
3. A dual-jacketed butterfly cable according to claim 1, wherein: one side of the reinforcing rib is embedded in the tearing rope, and the other side of the reinforcing rib is abutted against the inner wall of the outer sheath.
4. A dual-jacketed butterfly cable according to claim 1, wherein: the reinforcing ribs are arranged in a segmented mode.
5. A dual-jacketed butterfly cable according to claim 1, wherein: and the two sides of the outer sheath, which are far away from the V-shaped groove, are provided with easy-to-tear lines.
6. A dual-jacketed butterfly cable according to claim 1, wherein: the inner sheath is made of polyvinyl chloride or polyvinylidene fluoride, the outer sheath is made of polyethylene, the reinforcing member is made of aramid yarn, the tearing rope is a polypropylene net-shaped tearing fiber rope, and the reinforcing rib is made of pure aluminum.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777528.7U CN221007939U (en) | 2023-10-17 | 2023-10-17 | Double-sheath butterfly-shaped optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322777528.7U CN221007939U (en) | 2023-10-17 | 2023-10-17 | Double-sheath butterfly-shaped optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221007939U true CN221007939U (en) | 2024-05-24 |
Family
ID=91113667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322777528.7U Active CN221007939U (en) | 2023-10-17 | 2023-10-17 | Double-sheath butterfly-shaped optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221007939U (en) |
-
2023
- 2023-10-17 CN CN202322777528.7U patent/CN221007939U/en active Active
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| GR01 | Patent grant |