CN207586499U - A kind of interior tubular type self-supporting covered wire cable - Google Patents
A kind of interior tubular type self-supporting covered wire cable Download PDFInfo
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- CN207586499U CN207586499U CN201721799080.7U CN201721799080U CN207586499U CN 207586499 U CN207586499 U CN 207586499U CN 201721799080 U CN201721799080 U CN 201721799080U CN 207586499 U CN207586499 U CN 207586499U
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Abstract
The utility model discloses a kind of interior tubular type self-supporting covered wire cable, solve the problems, such as in the prior art optical cable anti-torsion degraded performance, without magnetic disturbance protection and wire jumper production yield rate it is low.The utility model includes messenger wire unit, sheath unit and fibre core unit, messenger wire unit includes the head-rope that several filaments are twisted into, sheath unit includes the oversheath that cross section is the figure of eight, oversheath includes the upper jacket and lower jacket that are integrally connected, head-rope is arranged in upper jacket, fibre core unit is arranged in lower jacket, reinforced wire is provided in the section edges of lower jacket, fibre core unit includes metal screen layer, butterfly optical cable sheath is provided in metal screen layer, the both ends of butterfly optical cable sheath are both provided with reinforced wire, optical cable hard-pressed bale layer is provided in the middle part of butterfly optical cable sheath, optical fiber is arranged in the tight layer of optical cable, cable cream is filled between metal screen layer and butterfly optical cable sheath.It is the utility model structure novel, highly practical, there is good popularizing application prospect.
Description
Technical field
The utility model is related to technical field of optical fiber communication, particularly relate to a kind of interior tubular type self-supporting covered wire cable.
Background technology
Optical cable is manufactured to meet the performance specification of optics, machinery or environment, it is to utilize to be placed in cladding sheath
In the communications cable component that can simultaneously be used individually or in groups as transmission medium of one or more optical fiber.Optical cable mainly by
Optical fiber and plastic protective sleeve pipe and plastic peel are formed, without the metals such as gold, silver, copper aluminium, general non-recovery valency in optical cable
Value.Optical cable is a certain number of optical fiber forms the cable heart according to certain way, is surrounded by sheath outside, some also cladding outer jackets, to
Realize a kind of communication line of optical signal transmission.The basic structure of optical cable is usually by cable core, strengthens steel wire, filler and sheath
It is formed etc. several parts.
Self-bearing type rubber-insulated currently on the market is coilable butterfly-type covered wire cable, and such optical cable uses optical fiber is straight
It connects and is wrapped in the optical fiber that shield material inner protective material directly presses signal transduction, on the one hand this infrastructure product is that easily optical fiber is generated
Damage influences the conductive performance of product；The opposing party, optical cable easily generate disconnected fine, connector performance when connector is added to produce not
Situations such as stablizing, so as to influence the performance of product；In addition, because optical cable for cable by the interference in magnetic field compared with
It is small, therefore the functional structure of armoured magnetic field is not contained in existing optical cable, optical cable is in the signal transmitted in strong magnetic environment still
It can be interfered, and the problem of crust comes off can occur after long-term use for existing optical cable, cause optical signal that can not transmit.
Utility model content
For the deficiency in above-mentioned background technology, the utility model proposes a kind of interior tubular type self-supporting covered wire cables, solve
In the prior art optical cable anti-torsion degraded performance, without magnetic disturbance protection and wire jumper production yield rate it is low the problem of.
What the technical solution of the utility model was realized in：A kind of interior tubular type self-supporting covered wire cable, including messenger wire unit,
Sheath unit and fibre core unit, messenger wire unit include the head-rope that several filaments are twisted into, and sheath unit is including cross section
The oversheath of the figure of eight, oversheath include the upper jacket and lower jacket that are integrally connected, and head-rope is arranged in upper jacket, fibre core
Unit is arranged in lower jacket, and the first reinforced wire is provided in the section edges of lower jacket, and fibre core unit includes metal screen layer,
Butterfly optical cable sheath is provided in metal screen layer, the both ends of butterfly optical cable sheath are both provided with the second reinforced wire, butterfly light
Optical cable hard-pressed bale layer is provided in the middle part of cable sheath, optical fiber is arranged in the tight layer of optical cable, metal screen layer and butterfly optical cable sheath it
Between be filled with cable cream.
Further, it is provided with sliding layer between the lower jacket and butterfly optical cable sheath.
Further, it is provided with fireprotection layer between the lower jacket and butterfly optical cable sheath.
Further, second reinforced wire is arranged on by hot melt glue in butterfly optical cable sheath.
Further, it is both provided with buffer layer at left and right sides of the lower jacket.
Further, first reinforced wire is provided with several, and several first reinforced wires are equally spacedly set respectively
In lower jacket.
Further, be provided with rotating jacket between the optical cable hard-pressed bale layer and butterfly optical cable sheath, rotation protective jacket with
Aramid fiber is provided between optical cable hard-pressed bale layer and strengthens yarn.
A kind of messenger wire unit of interior tubular type self-supporting covered wire cable setting of the utility model, several filaments therein are twisted into
Head-rope both can guarantee reliable tensile property, and the head-rope being twisted and upper jacket have synthesis and ubiquit well
Effect, so can ensure anti-torsion performance well again, meanwhile, the head-rope being twisted can ensure the utility model
Soft bending property；Setting metal screen layer in fibre core unit, it is ensured that optical fiber by electromagnetic interference, does not ensure optical fiber utterly
Communication efficiency；Cable cream is filled between metal screen layer and butterfly optical cable sheath, it is ensured that butterfly optical cable sheath and metal screen
Covering layer will not relatively rotate, and then can be damaged to avoid to metal screen layer；Lower jacket and butterfly optical cable sheath it
Between the sliding layer that sets can ensure that fibre core unit can relatively rotate with lower jacket, and then enhance the anti-of the utility model
Performance is turned round, and does not influence the communication efficiency of optical fiber；Optical fiber is arranged in optical cable hard-pressed bale layer, and optical cable hard-pressed bale layer is arranged on rotation shield
In set, the optical cable hard-pressed bale layer with optical fiber can be freely twitched in rotating jacket without damaging optical fiber, while optical cable hard-pressed bale layer
Setting, it is ensured that the utility model is in wire jumper production plus the communicativeness with higher yield rate and stability during connector
Energy.The utility model structure novel, practical function have good popularizing application prospect.
Description of the drawings
It, below will be to attached drawing needed in embodiment description in order to illustrate more clearly of the utility model embodiment
It is briefly described, it should be apparent that, the accompanying drawings in the following description is only some embodiments of the utility model, for ability
For the those of ordinary skill of domain, without creative efforts, it can also be obtained according to these attached drawings other attached
Figure.
Fig. 1 is the structure diagram of the cross section of the utility model；
Fig. 2 is the enlarged structure schematic diagram of butterfly optical cable sheath in Fig. 1.
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 not under the premise of making the creative labor
All other embodiments obtained shall fall within the protection scope of the present invention.
As shown in Figure 1 and Figure 2, embodiment 1, a kind of interior tubular type self-supporting covered wire cable, including messenger wire unit 1, sheath unit 2
With fibre core unit 3, messenger wire unit 1 includes the bearing steel wire 102 that 7 finer wires 101 are twisted into；Sheath unit 2 includes cross section
For the oversheath 201 of the figure of eight, oversheath 201 includes the upper jacket 202 being integrally connected and lower jacket 203, bearing steel wire 102
It is arranged in upper jacket 202, fibre core unit 3 is arranged in lower jacket 203, is provided in the section edges of lower jacket 203 several
First reinforced wire 204, several first reinforced wires 204 are arranged equally spaced at respectively in lower jacket 203.7 finer wires twist
The bearing steel wire of synthesis both can guarantee reliable tensile property, and the bearing steel wire being twisted has well with upper jacket
Synthesis and ubiquit effect, so can ensure anti-torsion performance well again, meanwhile, the bearing steel wire being twisted can ensure this
The soft bending property of utility model, the setting of reinforced wire can ensure the tensile strength of lower jacket.
The fibre core unit 3 includes metal screen layer 301, and butterfly optical cable sheath 302 is provided in metal screen layer 301,
The both ends of butterfly optical cable sheath 302 are both provided with the second reinforced wire 303, and the second reinforced wire 303 is fixed by hot melt glue 304
It is located in butterfly optical cable sheath 302.The middle part of butterfly optical cable sheath 302 is provided with rotating jacket 305, is set in rotating jacket 305
Optical cable hard-pressed bale layer 306 is equipped with, is provided between rotating jacket 305 and optical cable hard-pressed bale layer 306 and puts human relations reinforcement yarn 307, optical fiber 308 is set
It puts in optical cable hard-pressed bale layer 306, cable cream 309 is filled between metal screen layer 301 and butterfly optical cable sheath 302.Fibre core unit
Interior setting metal screen layer, it is ensured that optical fiber by electromagnetic interference, does not ensure optical fiber utterly communication efficiency；In metal screen layer
Cable cream is filled between butterfly optical cable sheath, it is ensured that butterfly optical cable sheath will not relatively rotate with metal screen layer,
And then it can be damaged to avoid to metal screen layer；Optical fiber is arranged in optical cable hard-pressed bale layer, and optical cable hard-pressed bale layer is arranged on rotation
In sheath, the optical cable hard-pressed bale layer with optical fiber can be freely twitched in rotating jacket without damaging optical fiber, while optical cable hard-pressed bale
The setting of layer, it is ensured that the utility model communication with higher yield rate and stability in wire jumper production plus connector
Performance.
A kind of embodiment 2, interior tubular type self-supporting covered wire cable, is provided between the metal screen layer 301 and lower jacket 203
Sliding layer 4, sliding layer 4 can ensure that fibre core unit 3 can relatively rotate with lower jacket 203, and then it is new to enhance this practicality
The torsional property of type, and the communication efficiency of optical fiber is not influenced.The other structures of the present embodiment are same as Example 1.
A kind of embodiment 3, interior tubular type self-supporting covered wire cable, fireprotection layer 5 is provided between the sliding layer 4 and lower jacket,
The setting of protective layer 5 can effectively completely cut off external burning things which may cause a fire disaster, the fibre core when sheath unit 2 is burned inside can effectively protect
Unit 3.The other structures of the present embodiment are same as Example 2.
Embodiment 4, a kind of interior tubular type self-supporting covered wire cable, the left and right sides of the lower jacket 203 is both provided with buffer layer
205, buffer layer 205 can play the role of being effectively protected to fibre core unit 3, and particularly leading in cable carries out optical cable indoors
When fixed, buffer layer 205 can effectively impact of the absorbing external fixed structure to fibre core unit 3.Other knots of the present embodiment
Structure is same as Example 1.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection domain within.
Claims (7)
1. a kind of interior tubular type self-supporting covered wire cable, it is characterised in that：Including messenger wire unit（1）, sheath unit（2）With fibre core unit
（3）, messenger wire unit（1）Including the head-rope that several filaments are twisted into, sheath unit（2）It is the figure of eight including cross section
Oversheath（201）, oversheath（201）Including the upper jacket being integrally connected（202）And lower jacket（203）, head-rope is arranged on
Sheath（202）It is interior, fibre core unit（3）It is arranged on lower jacket（203）It is interior, lower jacket（203）Section edges in be provided with first
Reinforced wire（204）, fibre core unit（3）Including metal screen layer（301）, metal screen layer（301）Inside it is provided with butterfly optical cable shield
Set（302）, butterfly optical cable sheath（302）Both ends be both provided with the second reinforced wire（303）, butterfly optical cable sheath（302）'s
Middle part is provided with optical cable hard-pressed bale layer（306）, optical fiber（308）It is arranged on optical cable hard-pressed bale layer（306）It is interior, metal screen layer（301）With
Butterfly optical cable sheath（302）Between be filled with cable cream（309）.
2. interior tubular type self-supporting covered wire cable according to claim 1, it is characterised in that：The lower jacket（203）With butterfly
Cable jacket（302）Between be provided with sliding layer（4）.
3. interior tubular type self-supporting covered wire cable according to claim 2, it is characterised in that：The lower jacket（203）With butterfly
Cable jacket（302）Between be provided with fireprotection layer（5）.
4. interior tubular type self-supporting covered wire cable according to claim 1, it is characterised in that：Second reinforced wire（303）It is logical
Cross hot melt glue（304）It is arranged on butterfly optical cable sheath（302）It is interior.
5. interior tubular type self-supporting covered wire cable according to claim 1, it is characterised in that：The lower jacket（203）Left and right
Both sides are both provided with buffer layer（205）.
6. according to tubular type self-supporting covered wire cable in claim 1-5 any one of them, it is characterised in that：First reinforced wire
（204）Several are provided with, several first reinforced wires（204）It is arranged equally spaced at lower jacket respectively（203）In.
7. interior tubular type self-supporting covered wire cable according to claim 6, it is characterised in that：The optical cable hard-pressed bale layer（306）With
Butterfly optical cable sheath（302）Between be provided with rotating jacket（305）, rotate protective jacket（305）With optical cable hard-pressed bale layer（306）Between
It is provided with aramid fiber and strengthens yarn（307）.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017216139526 | 2017-11-28 | ||
| CN201721613952 | 2017-11-28 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207586499U true CN207586499U (en) | 2018-07-06 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721799080.7U Active CN207586499U (en) | 2017-11-28 | 2017-12-21 | A kind of interior tubular type self-supporting covered wire cable |
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|---|---|
| CN (1) | CN207586499U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085685A (en) * | 2018-10-24 | 2018-12-25 | 江苏亨通光电股份有限公司 | All dielectric flexibility access optical cable |
-
2017
- 2017-12-21 CN CN201721799080.7U patent/CN207586499U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109085685A (en) * | 2018-10-24 | 2018-12-25 | 江苏亨通光电股份有限公司 | All dielectric flexibility access optical cable |
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