CN207440350U - Fixed type 8-shaped optical cable - Google Patents
Fixed type 8-shaped optical cable Download PDFInfo
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- CN207440350U CN207440350U CN201721039473.8U CN201721039473U CN207440350U CN 207440350 U CN207440350 U CN 207440350U CN 201721039473 U CN201721039473 U CN 201721039473U CN 207440350 U CN207440350 U CN 207440350U
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- optical cable
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- shaped optical
- screw pitch
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Abstract
The utility model discloses a kind of fixed type 8-shaped optical cables, and neck is hung including lifting portion, optical cable body and connection lifting portion optical cable body, it is characterised in that：Described hang is equipped with reinforcer in neck；Described hang is equipped with a pair of of side channel on neck to its inside is concave, and two side channels, which are separately positioned on, to be hung on the two sides that neck is oppositely arranged.A kind of fixed type 8-shaped optical cable of the utility model, by hanging in neck equipped with reinforcer so that hang neck entirety load stabilization, be not easy to skew；It hangs the both sides that neck is oppositely arranged and side channel is set, be easy to optical cable and integrally remove；It is simple in structure, light-weight, it is suitable for indoor and outdoors use；Optical cable meets all index requests that indoor and outdoor uses, and especially tensile strength is promoted to 500N/m from original 200N/m.
Description
Technical field
The utility model belongs to optical cable technology field, and in particular to a kind of fixed type 8-shaped optical cable
Background technology
With the propulsion that FTTX is built, optical cable further extends to user terminal, and the segment length that continues just is presented what is constantly shortened
Trend.The usage quantity of tight sleeve optic cable constantly rises, for example, in computer room equipment be mutually combined, various office blocks, Business building
Comprehensive wiring system and floor gap distributing frame etc..The outer tight sleeve optic cable of existing general room the defects of due to structure design, uses
There are some technical problems in the process：Serious cable diameter is uneven, and fissility is bad, and outer shield hangs neck portion and easily skews.
The content of the invention
The utility model provides a kind of fixed type 8-shaped optical cable, hangs neck load stabilization, is not easy to skew, and optical cable is integrally easy
It is simple in structure, light-weight in stripping, it is used suitable for indoor and outdoors.
In order to achieve the above objectives, the technical solution of the utility model is as follows：A kind of fixed type 8-shaped optical cable, including lifting
Portion, optical cable body and the neck that hangs for connecting lifting portion optical cable body, described hang are equipped with reinforcer in neck；It is described to hang on neck to its inside
Concave to be equipped with a pair of of side channel, two side channels, which are separately positioned on, to be hung on the two sides that neck is oppositely arranged.
In one preferred embodiment of the utility model, further comprise the length for hanging neck for the 1.5 of lifting minister's degree
Times.
In one preferred embodiment of the utility model, further comprise that the optical cable body includes cable core, is coated on cable core
The aramid yarn layer in outside, the oversheath being coated on the outside of aramid yarn layer；The cable core includes multiple fiber units, each light
Fine unit is respectively provided with the tight sleeve layer of optical fiber, clad optical fiber；The center of the cable core is equipped with center reinforcemen, multiple optical fiber lists
The outside that is arranged in center reinforcemen of the member centered on center reinforcemen.
In one preferred embodiment of the utility model, further comprise mutually being twisted in the shape of a spiral between the fiber unit
Form the cable core.
In one preferred embodiment of the utility model, further comprise the mutually twisted screw pitch of the fiber unit helical form
For 45mm and 65mm, the screw pitch of 45mm and the screw pitch of 65mm are arranged alternately；The depth of thread of 45mm screw pitch and 65mm screw pitch is
12mm。
In one preferred embodiment of the utility model, further comprise adopting between each fiber unit and tight sleeve layer
With compact form structure；Compact form structure is used between the tight sleeve layer and aramid yarn layer, the aramid yarn layer and oversheath.
In one preferred embodiment of the utility model, further comprise that the lifting portion includes messenger wire, is coated on outside messenger wire
The lifting sheath of side, the messenger wire have the galvanized strand wires of 5-8 roots, are hung described in the mutually twisted formation of the galvanized strand wires
Line.
In one preferred embodiment of the utility model, the line density for further comprising the aramid yarn layer is 1600~1700
Divide Tekes.
The beneficial effects of the utility model are：
A kind of fixed type 8-shaped optical cable of the utility model, by hanging in neck equipped with reinforcer so that hang neck and integrally hold
Power is stable, is not easy to skew；It hangs the both sides that neck is oppositely arranged and side channel is set, be easy to optical cable and integrally remove；It is simple in structure, light-weight,
It is suitable for indoor and outdoors use.
Optical cable meets all index requests that indoor and outdoor uses, and especially tensile strength is promoted to from original 200N/m
500N/m。
Description of the drawings
In order to illustrate more clearly of the technical solution in the utility model embodiment technology, embodiment technology will be retouched below
Attached drawing is briefly described needed in stating, it should be apparent that, the accompanying drawings in the following description is only the utility model
Some embodiments, for those of ordinary skill in the art, without creative efforts, can also basis
These attached drawings obtain other attached drawings.
Fig. 1 is the structure diagram of the preferred embodiment in the utility model.
Wherein：2- liftings portion, 4- optical cable bodies, 6- hang neck, 8- reinforcers, 10- side channels, 12- aramid yarn layers, are protected outside 14-
Set, 16- optical fiber, 18- tight sleeve layers, 20- center reinforcemens, 22- messenger wires, 24- lifting sheaths.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that the described embodiments are only a part of the embodiments of the utility model rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are without creative efforts
All other embodiments obtained shall fall within the protection scope of the present invention.
Embodiment
As shown in Figure 1, a kind of fixed type 8-shaped optical cable is disclosed in the present embodiment, including lifting portion 2,4 and of optical cable body
2 optical cable body 4 of connection lifting portion hangs neck 6；By lifting portion 2 and 6 common load of neck is hung, to increase the tensile strength of optical cable.This
In embodiment technical solution, above-mentioned lifting portion 2 includes messenger wire 22, the lifting sheath 24 for being coated on 22 outside of messenger wire, above-mentioned messenger wire
22 have the galvanized strand wires of 5-8 roots, and above-mentioned galvanized strand wires is mutually twisted to form above-mentioned messenger wire 22.
Above-mentioned optical cable body 4 includes cable core, the aramid yarn layer 12 being coated on the outside of cable core, is coated on 12 outside of aramid yarn layer
Oversheath 14；Above-mentioned cable core includes multiple fiber units, and each above-mentioned fiber unit is respectively provided with optical fiber 16, clad optical fiber 16
Tight sleeve layer 18；The center of above-mentioned cable core is equipped with center reinforcemen 20, and multiple above-mentioned fiber units are centered on center reinforcemen 20
The outside for being arranged in center reinforcemen 20；Compact form structure is each used between above-mentioned fiber unit and tight sleeve layer 18；It is above-mentioned
Compact form structure is used between tight sleeve layer 18 and aramid yarn layer 12, above-mentioned aramid yarn layer 12 and oversheath 14；It is compared to tradition
Filling fiber paste between the layers, the tight nested structure of the utility model is capable of the mechanical property of optical cable.
In order to ensure the cable diameter of 4 stranding of optical cable body is uniform, in the present embodiment technical solution, it is between above-mentioned fiber unit
Helical form is mutually twisted to form above-mentioned cable core, and the mutually twisted screw pitch of above-mentioned fiber unit helical form is 45mm and 65mm, 45mm
Screw pitch and the screw pitch of 65mm be arranged alternately；The depth of thread of 45mm screw pitch and 65mm screw pitch is 12mm；Whole folding is not influenced
Ensure that the cable diameter of stranding is uniform under the early period of curved property.
In order to further improve the tensile strength of optical cable, the line density of above-mentioned aramid yarn layer 12 is 1600~1700 dtexs gram
This.The optical cable being consequently formed is whole, and 500N/m can be promoted to from original 200N/m compared to traditional optical cable tensile intensity.
As further improvement of the utility model, the above-mentioned length for hanging neck 6 is 1.5 times of 2 length of lifting portion, above-mentioned to hang
Reinforcer 8 is equipped in neck 6；Reinforcer 8 preferably uses non-metallic material FRP.The length of neck 6 is hung in control, and is added hanging in neck 6
Enter the reinforcer 8 of stainless steel band, the tensile strength for hanging neck 6 can greatly be improved, avoid hanging neck 6 and skew in use,
Extend the service life of optical cable.
As further improvement of the utility model, above-mentioned hang is equipped with a pair of of side channel 10 on neck 6 to its inside is concave, and two
Above-mentioned side channel 10, which is separately positioned on, to be hung on the two sides that neck 6 is oppositely arranged.By the way that neck 6 is above-mentioned to open up side channel 10 hanging, facilitate light
Cable is integrally removed.
The foregoing description of the disclosed embodiments enables professional and technical personnel in the field to realize or new using this practicality
Type.A variety of modifications of these embodiments will be apparent for those skilled in the art, determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the utility model is not intended to be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The most wide scope consistent with features of novelty.
Claims (7)
1. a kind of fixed type 8-shaped optical cable, the neck that hangs including lifting portion, optical cable body and connection lifting portion optical cable body is special
Sign is：Described hang is equipped with reinforcer in neck；Described hang is equipped with a pair of of side channel, two side channels point on neck to its inside is concave
It is not arranged on and hangs on the two sides that neck is oppositely arranged；
The optical cable body includes cable core, the aramid yarn layer being coated on the outside of cable core, the oversheath being coated on the outside of aramid yarn layer；
The cable core includes multiple fiber units, and each fiber unit is respectively provided with the tight sleeve layer of optical fiber, clad optical fiber；The cable core
Center be equipped with center reinforcemen, multiple fiber units are arranged in the outer of center reinforcemen centered on center reinforcemen
Side.
2. fixed type 8-shaped optical cable according to claim 1, it is characterised in that：The length for hanging neck is lifting minister
1.5 times of degree.
3. fixed type 8-shaped optical cable according to claim 1, it is characterised in that：Between the fiber unit in the shape of a spiral
It is mutually twisted to form the cable core.
4. fixed type 8-shaped optical cable according to claim 3, it is characterised in that：The fiber unit helical form mutually twists
The screw pitch of conjunction is arranged alternately for 45mm and the screw pitch of 65mm, 45mm and the screw pitch of 65mm；The screw thread of 45mm screw pitch and 65mm screw pitch
Depth is 12mm.
5. fixed type 8-shaped optical cable according to claim 3, it is characterised in that：Each fiber unit with it is fixed it
Between, between fixed, aramid yarn and restrictive coating take compact form structure.
6. fixed type 8-shaped optical cable according to claim 1, it is characterised in that：The lifting portion includes messenger wire, is coated on
Lifting sheath on the outside of messenger wire, the messenger wire have the galvanized strand wires of 5-8 roots, and the galvanized strand wires is mutually twisted to form institute
State messenger wire.
7. fixed type 8-shaped optical cable according to claim 1, it is characterised in that：The line density of the aramid yarn layer is
1600~1700 points of Tekes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039473.8U CN207440350U (en) | 2017-08-18 | 2017-08-18 | Fixed type 8-shaped optical cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721039473.8U CN207440350U (en) | 2017-08-18 | 2017-08-18 | Fixed type 8-shaped optical cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207440350U true CN207440350U (en) | 2018-06-01 |
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ID=62300955
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721039473.8U Active CN207440350U (en) | 2017-08-18 | 2017-08-18 | Fixed type 8-shaped optical cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207440350U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114568A (en) * | 2021-11-08 | 2022-03-01 | 长飞光纤光缆股份有限公司 | Easily-stripped 8-shaped optical cable and 8-shaped optical cable stripping device |
-
2017
- 2017-08-18 CN CN201721039473.8U patent/CN207440350U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114114568A (en) * | 2021-11-08 | 2022-03-01 | 长飞光纤光缆股份有限公司 | Easily-stripped 8-shaped optical cable and 8-shaped optical cable stripping device |
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