CN209728257U - Low-smoke non-halogen flame-retardant low friction butterfly leading in cable - Google Patents
Low-smoke non-halogen flame-retardant low friction butterfly leading in cable Download PDFInfo
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- CN209728257U CN209728257U CN201920299728.7U CN201920299728U CN209728257U CN 209728257 U CN209728257 U CN 209728257U CN 201920299728 U CN201920299728 U CN 201920299728U CN 209728257 U CN209728257 U CN 209728257U
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- reinforcer
- sheath
- tear
- optical fiber
- opening
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Abstract
The utility model discloses low-smoke non-halogen flame-retardant low friction butterfly leading in cables, including messenger jacket, optical fiber and tear-off opening, the lower end of the messenger jacket is fixed with connecting bridge, and the lower end of connecting bridge is equipped with the first reinforcer sheath, the optical fiber is installed on the lower section of the first reinforcer, and filament is respectively and fixedly provided at left and right sides of optical fiber, the tear-off opening is set to the outside of filament.The cross sectional shape that tear-off opening is arranged in the low-smoke non-halogen flame-retardant low friction butterfly leading in cable is triangle, sheath is torn from tear-off opening, it can make to separate between the first reinforcer sheath and the second reinforcer sheath, to expose optical fiber, convenient for carrying out the docking of optical fiber when needed, and the triangle base of tear-off opening is together with the overlapping sideways of the first reinforcer sheath and the second reinforcer sheath under normality, it ensure that the smooth of entire jacket outer surface, so that tear-off opening will not be externally exposed under environment for a long time, avoid being pullled in careless situation by foreign object.
Description
Technical field
The utility model relates to fiber optic cable communications technical fields, specially low-smoke non-halogen flame-retardant low friction butterfly leading in cable.
Background technique
In the production and living of modernization, use is most extensively, also most common use is exactly butterfly leading in cable, for a long time with
Come, by feat of the excellent construction separating property of butterfly leading in cable and small and exquisite size, no matter at home or external numerous electricity
Believe in operator, one of access optical cable the most favorite, meanwhile, in many countries, butterfly leading in cable is also just gradually becoming
The main application product of Optical Access Network last one kilometer.
Butterfly leading in cable in the market in use, especially in the communication line improvement project of old urban area, together
When being laid with more optical cables, the coefficient of friction between optical cable is big, serious wear, and be exposed to for a long time outdoor optical cable be easy by
The erosion of rainwater, and cause sheath damaged, optical fiber is exposed, influences to communicate, also, when being attached optical fiber, and sheath is inconvenient
In stripping, time-consuming and laborious problem is installed, for this purpose, it is proposed that low-smoke non-halogen flame-retardant low friction butterfly leading in cable.
Utility model content
The purpose of this utility model is to provide low-smoke non-halogen flame-retardant low friction butterfly leading in cables, to solve above-mentioned background
The butterfly leading in cable in the market proposed in technology in use, especially in old urban area communication line improvement project
In, while when being laid with more optical cables, the coefficient of friction between optical cable is big, serious wear, and is exposed to outdoor optical cable for a long time
It is easy the erosion by rainwater, and causes sheath damaged, optical fiber is exposed, influences to communicate, also, when being attached optical fiber, protects
Set is not easy to peel off, and installs time-consuming and laborious problem.
To achieve the above object, the utility model provides the following technical solutions: low-smoke non-halogen flame-retardant low friction butterfly introduces
Optical cable, including messenger jacket, optical fiber and tear-off opening, the lower end of the messenger jacket are fixed with connecting bridge, and under connecting bridge
End is equipped with the first reinforcer sheath, and the first reinforcer sheath is internally connected with the first reinforcer, the optical fiber installation
In the lower section of the first reinforcer, and it is respectively and fixedly provided with filament at left and right sides of optical fiber, is provided with second below the optical fiber
Reinforcer, and the outside of the second reinforcer is equipped with the second reinforcer sheath, the messenger jacket is internally connected with lubricant layer,
And the inside of lubricant layer is equipped with steel wire messenger wire, the tear-off opening is set to the outside of filament, first reinforcer
The outer surface of sheath is connected with wearing layer, and the outer surface of wearing layer is equipped with corrosion-inhibiting coating.
Preferably, the first reinforcer sheath and the second reinforcer sheath be about optical fiber distribution symmetrical above and below, and first
Semi-surrounding structure is formed between reinforcer sheath and the second reinforcer sheath and optical fiber.
Preferably, first reinforcer is identical as the structure of the second reinforcer, and the first reinforcer and the second reinforcer
Diameter of section it is 5-7mm bigger than the diameter of section of optical fiber.
Preferably, the structure of the tear-off opening is hollow structure, and filament is through the inside of tear-off opening.
Preferably, the cross section structure of the tear-off opening is triangular structure, and the triangle base of tear-off opening and the
The side of one reinforcer sheath and the second reinforcer sheath overlaps.
Preferably, the outer surface of the wearing layer and the first reinforcer sheath fits closely, and wearing layer and corrosion-inhibiting coating
Between connection type be bonding connection.
Compared with prior art, the utility model has the beneficial effects that
1. the first reinforcer sheath and the second reinforcer sheath is arranged in the low-smoke non-halogen flame-retardant low friction butterfly leading in cable
Optical fiber is wrapped in inside, protective effect, and the upper surface of the first reinforcer sheath and the second reinforcer are carried out to optical fiber
The processing of rounded corner has all been done in the lower end surface of sheath, and when more optical cables being avoided to contact with each other, four angles of sheath, which are excessively sharp, is led
It causes phase mutual friction violent, causes the serious wear between sheath；
2. the diameter of section that the first reinforcer and the second reinforcer is arranged is more bigger than the diameter of section of optical fiber, so that optical cable
When lateral forces squeeze, the first reinforcer and the second reinforcer assume responsibility for main pressure, avoid optical fiber from being squeezed, cause light
Fibre fractures, be arranged tear-off opening cross sectional shape be it is triangular shaped, from tear-off opening tear sheath, the first reinforcer can be made
It is separated between sheath and the second reinforcer sheath, to expose optical fiber, convenient for carrying out the docking of optical fiber, and normality when needed
The triangle base of tear-off opening is protected together with the overlapping sideways of the first reinforcer sheath and the second reinforcer sheath under state
The smooth of entire jacket outer surface has been demonstrate,proved, so that tear-off opening will not be externally exposed under environment for a long time, has been avoided careless
In the case of pullled by foreign object, cause the tearing of the first reinforcer sheath and the second reinforcer sheath；
3. it is hollow for being arranged inside tear-off opening, and is mounted with filament inside tear-off opening, filament
The anti-pressure ability of entire optical cable side can be enhanced, the outer surface of the first reinforcer sheath of setting is mounted with one layer of wearing layer, resistance to
The wearability of the first reinforcer sheath can be enhanced in mill layer, to extend the service life of the first reinforcer sheath, and wearing layer
Outer surface coat one layer of corrosion-inhibiting coating, corrosion-inhibiting coating can protect the first reinforcer sheath not by the erosion of rainwater.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view；
Fig. 3 is the utility model wearing layer and corrosion-inhibiting coating structural schematic diagram.
In figure: 1, messenger jacket；2, connecting bridge；3, the first reinforcer sheath；4, the first reinforcer；5, optical fiber；6, metal
Filament；7, the second reinforcer；8, the second reinforcer sheath；9, steel wire messenger wire；10, lubricant layer；11, tear-off opening；12, wear-resisting
Layer；13, corrosion-inhibiting coating.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, 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 embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Fig. 1-3 is please referred to, the utility model provides a kind of technical solution: low-smoke non-halogen flame-retardant low friction butterfly introduces light
Cable, including messenger jacket 1, connecting bridge 2, the first reinforcer sheath 3, the first reinforcer 4, optical fiber 5, filament 6, second are reinforced
Part 7, the second reinforcer sheath 8, steel wire messenger wire 9, lubricant layer 10, tear-off opening 11, wearing layer 12 and corrosion-inhibiting coating 13, messenger wire shield
The lower end of set 1 is fixed with connecting bridge 2, and the lower end of connecting bridge 2 is equipped with the first reinforcer sheath 3, the first reinforcer sheath 3
It is internally connected with the first reinforcer 4, optical fiber 5 is installed on the lower section of the first reinforcer 4, and the left and right sides of optical fiber 5 is respectively and fixedly provided with
Filament 6, the lower section of optical fiber 5 is provided with the second reinforcer 7, and the outside of the second reinforcer 7 is equipped with the second reinforcer shield
Set 8, the first reinforcer 4 is identical as the structure of the second reinforcer 7, and the diameter of section ratio of the first reinforcer 4 and the second reinforcer 7
Section of the diameter of section of the big 5-7mm of the diameter of section of optical fiber 5, the first reinforcer 4 of setting and the second reinforcer 7 than optical fiber 5
Diameter is bigger, and when so that optical cable lateral forces squeezing, the first reinforcer 4 and the second reinforcer 7 assume responsibility for main pressure, avoid
Optical fiber 5 is squeezed, and optical fiber 5 is caused to fracture；
First reinforcer sheath 3 and the second reinforcer sheath 8 are about the distribution symmetrical above and below of optical fiber 5, and the first reinforcer protects
Semi-surrounding structure is formed between set 3 and the second reinforcer sheath 8 and optical fiber 5, and the first reinforcer sheath 3 and the second reinforcer are set
Optical fiber 5 is wrapped in inside by sheath 8, carries out protective effect, and the upper surface of the first reinforcer sheath 3 and the to optical fiber 5
The processing of rounded corner has all been done in the lower end surface of two reinforcer sheaths 8, when more optical cables being avoided to contact with each other, four angle mistakes of sheath
In sharply causing phase mutual friction violent, the serious wear between sheath is caused, messenger jacket 1 is internally connected with lubricant layer 10,
And the inside of lubricant layer 10 is equipped with steel wire messenger wire 9, tear-off opening 11 is set to the outside of filament 6, tear-off opening 11
Structure is hollow structure, and filament 6, through the inside of tear-off opening 11, it is hollow for being arranged inside tear-off opening 11,
And filament 6 is mounted with inside tear-off opening 11, the anti-pressure ability of entire optical cable side can be enhanced in filament 6；
The cross section structure of tear-off opening 11 is triangular structure, and the triangle base of tear-off opening 11 and the first reinforcer
The side of sheath 3 and the second reinforcer sheath 8 overlaps, setting tear-off opening 11 cross sectional shape be it is triangular shaped, from
Sheath is torn at tear-off opening 11, can make to separate between the first reinforcer sheath 3 and the second reinforcer sheath 8, to expose light
Fibre 5, convenient for carrying out the docking of optical fiber 5 when needed, and the triangle base of tear-off opening 11 and first adds under normality state
Strong part sheath 3 ensure that the smooth of entire jacket outer surface, so that tearing together with the overlapping sideways of the second reinforcer sheath 8
The mouth 11 that splits will not be externally exposed under environment for a long time, avoided being pullled in careless situation by foreign object, caused the first reinforcement
The tearing of part sheath 3 and the second reinforcer sheath 8, the outer surface of the first reinforcer sheath 3 are connected with wearing layer 12, and wearing layer
12 outer surface is equipped with corrosion-inhibiting coating 13, and wearing layer 12 and the outer surface of the first reinforcer sheath 3 fit closely, and wearing layer
Connection type between 12 and corrosion-inhibiting coating 13 is bonding connection, and the outer surface of the first reinforcer sheath 3 of setting is mounted with one layer
The wearability of the first reinforcer sheath 3 can be enhanced in wearing layer 12, wearing layer 12, to extend the use of the first reinforcer sheath 3
Service life, and the outer surface of wearing layer 12 coats one layer of corrosion-inhibiting coating 13, and corrosion-inhibiting coating 13 can protect the first reinforcer shield
Set 3 is not by the erosion of rainwater.
Working principle: for this kind of low-smoke non-halogen flame-retardant low friction butterfly leading in cable, first messenger jacket 1, connection
Bridge 2, the first reinforcer sheath 3 and the second reinforcer sheath 8 are constituted using thermoplastic olefin material, polyolefine material combustion
Smoke amount is small when burning, and halogen-free flameproof, and coefficient of friction is minimum, antiultraviolet, the first reinforcer sheath 3 and the second reinforcer sheath
8 are integrated chemical conversion type, and the tear-off opening 11 for forming two symmetrical triangles in intersection, wear inside messenger jacket 1
Enter steel wire messenger wire 9, steel wire messenger wire 9 is contacted with lubricant layer 10, and lubricant layer 10 is made of fully synthetic lubricating grease material, it is possible to reduce
Friction inside steel wire messenger wire 9 and messenger jacket 1, avoids being seriously worn therebetween, similarly penetrates the first reinforcer 4
Inside first reinforcer sheath 3, the second reinforcer 7 is penetrated inside the second reinforcer sheath 8, optical fiber 5 is penetrated into the first reinforcement
Then upper filament 6 is fixed, finally in the inside of part sheath 3 and the second reinforcer sheath 8 in two tear-off openings 11 respectively
One layer of wearing layer 12 is installed in the outer surface of messenger jacket 1, connecting bridge 2, the first reinforcer sheath 3 and the second reinforcer sheath 8,
Wearing layer 12 is made of polymeric liner, then one layer of corrosion-inhibiting coating 13, anti-corrosion on 12 surface even application of wearing layer
Coating 13 is made of inorganic anti-corrosion paint, when docking to optical cable, can be scratched to avoid rain erosion cable interior
Wearing layer 12 at tear-off opening 11, tearing the first reinforcer sheath 3 and the second reinforcer sheath 8 in the opposite direction can incite somebody to action
Optical fiber 5 is stripped out, and completes the use process of entire low-smoke non-halogen flame-retardant low friction butterfly leading in cable like this.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (6)
1. low-smoke non-halogen flame-retardant low friction butterfly leading in cable, including messenger jacket (1), optical fiber (5) and tear-off opening (11),
Be characterized in that: the lower end of the messenger jacket (1) is fixed with connecting bridge (2), and the lower end of connecting bridge (2) is equipped with the first reinforcement
Part sheath (3), the first reinforcer sheath (3) are internally connected with the first reinforcer (4), and the optical fiber (5) is installed on
The lower section of one reinforcer (4), and filament (6) are respectively and fixedly provided at left and right sides of optical fiber (5), it is set below the optical fiber (5)
It is equipped with the second reinforcer (7), and the outside of the second reinforcer (7) is equipped with the second reinforcer sheath (8), the messenger jacket
(1) be internally connected with lubricant layer (10), and the inside of lubricant layer (10) is equipped with steel wire messenger wire (9), the tear-off opening
(11) it is set to the outside of filament (6), the outer surface of the first reinforcer sheath (3) is connected with wearing layer (12), and
The outer surface of wearing layer (12) is equipped with corrosion-inhibiting coating (13).
2. low-smoke non-halogen flame-retardant low friction butterfly leading in cable according to claim 1, it is characterised in that: described first adds
Strong part sheath (3) and the second reinforcer sheath (8) are about optical fiber (5) distribution symmetrical above and below, and the first reinforcer sheath (3) and the
Semi-surrounding structure is formed between two reinforcer sheaths (8) and optical fiber (5).
3. low-smoke non-halogen flame-retardant low friction butterfly leading in cable according to claim 1, it is characterised in that: described first adds
Strong part (4) is identical as the structure of the second reinforcer (7), and the first reinforcer (4) and the diameter of section of the second reinforcer (7) compare light
The big 5-7mm of diameter of section of fine (5).
4. low-smoke non-halogen flame-retardant low friction butterfly leading in cable according to claim 1, it is characterised in that: described to tear apart
The structure of mouthful (11) is hollow structure, and filament (6) is through the inside of tear-off opening (11).
5. low-smoke non-halogen flame-retardant low friction butterfly leading in cable according to claim 1, it is characterised in that: described to tear apart
The cross section structure of mouthful (11) is triangular structure, and the triangle base of tear-off opening (11) and the first reinforcer sheath (3) and
The side of second reinforcer sheath (8) overlaps.
6. low-smoke non-halogen flame-retardant low friction butterfly leading in cable according to claim 1, it is characterised in that: the wearing layer
(12) outer surface with the first reinforcer sheath (3) fits closely, and the connection between wearing layer (12) and corrosion-inhibiting coating (13)
Mode is bonding connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299728.7U CN209728257U (en) | 2019-03-11 | 2019-03-11 | Low-smoke non-halogen flame-retardant low friction butterfly leading in cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920299728.7U CN209728257U (en) | 2019-03-11 | 2019-03-11 | Low-smoke non-halogen flame-retardant low friction butterfly leading in cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209728257U true CN209728257U (en) | 2019-12-03 |
Family
ID=68685748
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920299728.7U Expired - Fee Related CN209728257U (en) | 2019-03-11 | 2019-03-11 | Low-smoke non-halogen flame-retardant low friction butterfly leading in cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209728257U (en) |
-
2019
- 2019-03-11 CN CN201920299728.7U patent/CN209728257U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191203 Termination date: 20210311 |
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| CF01 | Termination of patent right due to non-payment of annual fee |