CN214586126U - Indoor and outdoor slotting tightly-wrapped optical cable - Google Patents
Indoor and outdoor slotting tightly-wrapped optical cable Download PDFInfo
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- CN214586126U CN214586126U CN202023236528.9U CN202023236528U CN214586126U CN 214586126 U CN214586126 U CN 214586126U CN 202023236528 U CN202023236528 U CN 202023236528U CN 214586126 U CN214586126 U CN 214586126U
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Abstract
The utility model relates to an indoor outer tight package optical cable of fluting belongs to optical fiber cable technical field. The cable comprises a sheath, wherein two reinforcing cores are embedded in the sheath, and the two reinforcing cores are arranged in parallel and extend along the axial direction of the sheath; the novel optical fiber cable sheath is characterized in that a full-length article placing cavity is formed in the center of the sheath, a reinforcing element and a plurality of tight-sleeved optical fibers are arranged in the article placing cavity, a plurality of notches are uniformly distributed in the circumferential direction of the surface of the sheath, and the notches extend along the axial direction of the sheath. The tight-sleeved optical fiber comprises a tight-sleeved pipe, and the tight-sleeved pipe is internally provided with the optical fiber. The cross section of the object placing cavity is circular or waist-shaped. And a water-blocking material piece is also arranged in the storage cavity. Two enhancement cores and the sheath that buries symmetry longitudinal distribution underground in this application sheath are equipped with the reinforcing element in putting the thing intracavity, have not only improved the intensity of optical cable, do not increase the external diameter of optical cable moreover. The optical fiber is arranged into a tight sleeve independent form, so that each core is convenient to be independently branched. The sheath surface is equipped with the notch, has reduced the area of contact between optical cable and pipeline, reduces dead weight friction, more does benefit to the poling construction.
Description
Technical Field
The utility model relates to an indoor outer tight package optical cable of fluting belongs to optical fiber cable technical field.
Background
With the further popularization of broadband access, the optical cable field tends to be more miniaturized, high-performance and high-weight ratio (light dead weight, thin wire diameter, high strength, easy construction and easy maintenance development, and as an important ring of the strategy of broadband China, the speed of the last kilometer is a direct embodiment for effectively improving the broadband access level in China, and domestic operators successively start corresponding large-scale access network construction, butterfly optical cables at user introduction sections in Fiber To The Home (FTTH), Fiber To The Office (FTTO) and Fiber To The Building (FTTB) networks are generally flat at present, the problems that the optical cable is difficult to meet the application in multiple occasions, the bending performance is not ideal, the optical cable strength is small, the optical cable is easy to distort in the laying process and the like exist in the using process of the optical cable, and the comprehensive performance of the butterfly-shaped optical cable is influenced to a certain extent.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that an indoor outer tight package optical cable of fluting is provided with to above-mentioned prior art, improves optical cable intensity, does benefit to indoor outer construction and lays.
The utility model provides a technical scheme that above-mentioned problem adopted does: an indoor and outdoor slotted tightly-packed optical cable comprises a sheath, wherein two reinforcing cores are embedded in the sheath, and are arranged in parallel and extend along the axial direction of the sheath; the novel optical fiber cable sheath is characterized in that a full-length article placing cavity is formed in the center of the sheath, a reinforcing element and a plurality of tight-sleeved optical fibers are arranged in the article placing cavity, a plurality of notches are uniformly distributed in the circumferential direction of the surface of the sheath, and the notches extend along the axial direction of the sheath.
The tight-sleeved optical fiber comprises a tight-sleeved tube, an optical fiber is arranged in the tight-sleeved tube, and the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.
The number of the tightly sleeved optical fibers is 1-12.
The diameter of the tight-buffered optical fiber is 0.3 mm-2.0 mm.
The tight sleeve is made of flame-retardant sheath material or polyvinyl chloride or nylon or polyurethane elastomer material.
The cross section of the object placing cavity is circular or waist-shaped.
And a water-blocking material piece is also arranged in the storage cavity.
The water-blocking material piece is water-blocking yarn or water-blocking powder.
The reinforcing element is polyester yarn, glass fiber yarn or aramid yarn.
The sheath is made of flame-retardant sheath materials LSZH, polyethylene PE, nylon PA and polyurethane elastomer TPU/TPEE.
Compared with the prior art, the utility model has the advantages of: the utility model provides an indoor outer tight package optical cable of fluting, buries two enhancement cores and the sheath that symmetry longitudinal distribution is buried underground in the sheath and put the thing intracavity and be equipped with the reinforcing element, has not only improved the intensity of optical cable, does not increase the external diameter of optical cable moreover. The optical fiber is arranged into a tight sleeve independent form, so that each core is convenient to be independently branched. The sheath surface is equipped with the notch, has reduced the area of contact between optical cable and pipeline, reduces dead weight friction, more does benefit to the poling construction. In addition, the notch on the surface of the sheath is beneficial to stripping in construction, and the optical cable can be torn manually without tools.
Drawings
Fig. 1 is a schematic view of an indoor and outdoor slotted tightly-wrapped optical cable storage cavity of the embodiment of the present invention, which is waist-shaped and provided with two slots;
fig. 2 is a schematic view of an indoor and outdoor slotted tightly-wrapped optical cable storage cavity of the embodiment of the present invention, which is circular and provided with two slots;
fig. 3 is a schematic view of a slotted tightly-packed optical cable storage cavity for indoor and outdoor use according to an embodiment of the present invention, which is waist-shaped and provided with a plurality of slots;
fig. 4 is a schematic view of an indoor and outdoor slotted tightly-wrapped optical cable storage cavity of the embodiment of the present invention, which is circular and provided with a plurality of slots;
in the figure, 1 protective sleeve, 1.1 storage cavity, 2 reinforcing core, 3 tight sleeve, 4 reinforcing element, 5 water-blocking material piece and 6 notch.
Detailed Description
The present invention will be described in further detail with reference to the following embodiments.
The slotting and tightly-wrapping optical cable for indoor and outdoor comprises a sheath 1, wherein two reinforcing cores 2 are embedded in the sheath 1, and the two reinforcing cores 2 are arranged in parallel at 180 degrees oppositely and extend along the axial direction of the sheath 1. The center of the sheath 1 is provided with a through long object placing cavity 1.1, an enhancing element 4, a water blocking material piece 5 and a plurality of tightly sleeved optical fibers are arranged in the object placing cavity 1.1, 1-12 tightly sleeved optical fibers are arranged, and the diameter of each tightly sleeved optical fiber is 0.3-2.0 mm. The tight-sleeved optical fiber comprises a tight-sleeved pipe 3, and the optical fiber is arranged in the tight-sleeved pipe 3. Two or more parallel notches 6 are uniformly distributed on the surface of the sheath 1 in a circumferential direction, and the notches 6 extend along the axial direction of the sheath 1.
The sheath 1 is made of flame-retardant sheath materials LSZH, polyethylene PE, nylon PA and polyurethane elastomer TPU/TPEE. The tight sleeve 3 is made of polyvinyl chloride PVC, low smoke halogen-free LSZH, nylon PA or polyurethane elastomer TPU/TPEE material. The water-blocking material piece 5 is water-blocking yarn or water-blocking powder, and the reinforcing element 4 is polyester yarn, glass fiber yarn or aramid yarn. The reinforced core 2 is made of nonmetal or metal materials, the nonmetal materials are FRP or KFRP, and the metal materials are steel wires or steel strands.
Example one
As shown in fig. 1, the sheath comprises a sheath 1 and two reinforcing cores 2 embedded in the wall of the sheath 1, wherein the two reinforcing cores 2 are oppositely arranged in parallel by 180 degrees and extend along the axial direction of the sheath 1. The center of the sheath 1 is provided with a waist-shaped article placing cavity, a plurality of tightly-sleeved optical fibers, a reinforcing element 4 and a water blocking material piece 5 are arranged in the article placing cavity 1.1, the surface of the sheath 1 is provided with two notches 6, and the positions of the two notches 6 are opposite to each other and arranged in parallel for 180 degrees and extend along the axial direction of the sheath 1.
Example two
As shown in fig. 2, the sheath comprises a sheath 1 and two reinforcing cores 2 embedded in the wall of the sheath 1, wherein the two reinforcing cores 2 are oppositely arranged in parallel by 180 degrees and extend along the axial direction of the sheath 1. The center of the sheath 1 is provided with a circular article placing cavity, a plurality of tightly-sleeved optical fibers, a reinforcing element 4 and a water blocking material piece 5 are arranged in the article placing cavity 1.1, the surface of the sheath 1 is provided with two notches 6, and the positions of the two notches 6 are opposite to each other and arranged in parallel at 180 degrees and extend along the axial direction of the sheath 1.
EXAMPLE III
As shown in fig. 3, the sheath comprises a sheath 1 and two reinforcing cores 2 embedded in the wall of the sheath 1, wherein the two reinforcing cores 2 are oppositely arranged in parallel by 180 degrees and extend along the axial direction of the sheath 1. The center of the sheath 1 is provided with a waist-shaped object placing cavity, a plurality of tightly-sleeved optical fibers, a reinforcing element 4 and a water blocking material piece 5 are arranged in the object placing cavity 1.1, the surface of the sheath 1 is provided with a plurality of notches 6, and the plurality of notches 6 are uniformly distributed along the circumferential direction of the sheath 1 and extend along the axial direction of the sheath 1.
Example four
As shown in fig. 4, the sheath comprises a sheath 1 and two reinforcing cores 2 embedded in the wall of the sheath 1, wherein the two reinforcing cores 2 are oppositely arranged in parallel by 180 degrees and extend along the axial direction of the sheath 1. The center of the sheath 1 is provided with a circular article placing cavity, a plurality of tightly-sleeved optical fibers, a reinforcing element 4 and a water blocking material piece 5 are arranged in the article placing cavity 1.1, the surface of the sheath 1 is provided with a plurality of notches 6, and the plurality of notches 6 are distributed along the circumferential direction of the sheath 1 and extend along the axial direction of the sheath 1.
The utility model provides an bury the enhancement core and the sheath that symmetry longitudinal distribution is put the thing intracavity and be equipped with the reinforcing element in the sheath, not only improved the intensity of optical cable, do not increase the external diameter of optical cable moreover. The optical fiber is arranged into a tight sleeve independent form, so that each core is convenient to be independently branched. The sheath surface is equipped with the notch, has reduced the area of contact between optical cable and pipeline, reduces dead weight friction, more does benefit to the poling construction. In addition, the notch on the surface of the sheath is beneficial to stripping in construction, and the optical cable can be torn off without the help of tools.
In addition to the above embodiments, the present invention also includes other embodiments, and all technical solutions formed by equivalent transformation or equivalent replacement should fall within the protection scope of the claims of the present invention.
Claims (10)
1. The utility model provides an indoor outer tight package optical cable of fluting that uses which characterized in that: the cable comprises a sheath (1), wherein two reinforcing cores (2) are embedded in the sheath (1), and the two reinforcing cores (2) are arranged in parallel and extend along the axial direction of the sheath (1); the optical fiber cable is characterized in that a through long object placing cavity (1.1) is formed in the center of the sheath (1), a reinforcing element (4) and a plurality of tight-sleeved optical fibers are arranged in the object placing cavity (1.1), a plurality of notches (6) are uniformly distributed in the circumferential direction of the surface of the sheath (1), and the notches (6) axially extend along the sheath (1).
2. The grooved optical fiber cable for indoor and outdoor use of claim 1, wherein: the tight-sleeved optical fiber comprises a tight-sleeved tube (3), an optical fiber is arranged in the tight-sleeved tube (3), and the optical fiber is a single-mode optical fiber or a multi-mode optical fiber.
3. The grooved optical fiber cable for indoor and outdoor use of claim 2, wherein: the number of the tightly sleeved optical fibers is 1-12.
4. The grooved optical fiber cable for indoor and outdoor use of claim 3, wherein: the diameter of the tight-buffered optical fiber is 0.3 mm-2.0 mm.
5. The grooved optical fiber cable for indoor and outdoor use of claim 3, wherein: the tight sleeve (3) is made of flame-retardant sheath material or polyvinyl chloride or nylon or polyurethane elastomer material.
6. The grooved optical fiber cable for indoor and outdoor use of claim 1, wherein: the section of the storage cavity (1.1) is circular or waist-shaped.
7. The grooved optical fiber cable for indoor and outdoor use of claim 1, wherein: a water-blocking material piece (5) is also arranged in the article placing cavity (1.1).
8. The grooved optical fiber cable for indoor and outdoor use of claim 7, wherein: the water-blocking material piece (5) is water-blocking yarn or water-blocking powder.
9. The grooved optical fiber cable for indoor and outdoor use of claim 1, wherein: the reinforcing element (4) is polyester yarn, glass fiber yarn or aramid yarn.
10. The grooved optical fiber cable for indoor and outdoor use of claim 1, wherein: the sheath (1) is made of flame-retardant sheath materials LSZH, polyethylene PE, nylon PA and polyurethane elastomer TPU/TPEE.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236528.9U CN214586126U (en) | 2020-12-29 | 2020-12-29 | Indoor and outdoor slotting tightly-wrapped optical cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023236528.9U CN214586126U (en) | 2020-12-29 | 2020-12-29 | Indoor and outdoor slotting tightly-wrapped optical cable |
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| CN214586126U true CN214586126U (en) | 2021-11-02 |
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| CN202023236528.9U Active CN214586126U (en) | 2020-12-29 | 2020-12-29 | Indoor and outdoor slotting tightly-wrapped optical cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059209A (en) * | 2021-12-15 | 2022-02-18 | 浙江金旗新材料科技有限公司 | Stretch yarn and stretch yarn production equipment |
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2020
- 2020-12-29 CN CN202023236528.9U patent/CN214586126U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114059209A (en) * | 2021-12-15 | 2022-02-18 | 浙江金旗新材料科技有限公司 | Stretch yarn and stretch yarn production equipment |
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