CN208861022U - A kind of twin-core inside cable - Google Patents
A kind of twin-core inside cable Download PDFInfo
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- CN208861022U CN208861022U CN201821793923.7U CN201821793923U CN208861022U CN 208861022 U CN208861022 U CN 208861022U CN 201821793923 U CN201821793923 U CN 201821793923U CN 208861022 U CN208861022 U CN 208861022U
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- strain relief
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Abstract
The utility model relates to a kind of twin-core inside cables, including Loose tube, it is twisted on the outside of the Loose tube to be equipped with PVC single fiber cable, strain relief casing, and the PVC single fiber cable, the number of strain relief casing is disposed as two, the PVC single fiber cable, strain relief casing is disposed adjacent, the PVC single fiber cable, fabric wrapping layer is equipped on the outside of strain relief casing, flame-retardant layer is equipped on the outside of the fabric wrapping layer, anti-bite layer is equipped on the outside of the flame-retardant layer, oversheath is equipped on the outside of the anti-bite layer, the PVC single fiber cable is by the optical cable component wire that is successively arranged from inside to outside, the center GFR strengthening core, strain relief sheath, inner sheath is constituted, the strain relief casing is by solid rubber pipe, aramid fiber layer is constituted, and the aramid fiber layer is circumferentially positioned on the outside of solid rubber pipe, whole knot Structure improves the elasticity and toughness of whole optical cable, while having preferable Anti-moth-eating mouse bite preventing and fire-proof function, meets inside cable requirement.
Description
Technical field
The utility model relates to a kind of twin-core inside cables, belong to optical cable field.
Background technique
Optical cable (optical fiber cable) is manufactured to meet the performance specification of optics, machinery or environment,
It is using one or more optical fiber being placed in cladding sheath as transmission medium and the communication that can use individually or in groups
Cable-assembly, optical cable are mainly to be made of optical fiber (glass fiber of thin such as hair) and plastic protective sleeve pipe and plastic peel,
Without metals such as gold, silver, copper aluminium in optical cable, general non-recovery value, optical cable is a certain number of optical fiber according to certain way group
The stranding heart is surrounded by sheath, some also cladding outer jackets, to realize a kind of communication line of optical signal transmission, it may be assumed that by optical fiber outside
The cable that (optical transmission carrier) is formed by certain technique, the basic structure of optical cable are usually by cable core, reinforcement steel wire, fill out
A few part compositions such as object and sheath are filled, it is existing according further to needs there are also components such as waterproof layer, buffer layer, insulated metal conducting wires
Inside cable structure it is relatively simple, be placed on corner and be easily broken off, be not able to satisfy requirement.
Utility model content
The technical problems to be solved in the utility model overcomes existing defect, a kind of twin-core inside cable is provided, by answering
Becoming elimination casing can be improved the strain resistant ability of optical cable, improve the elasticity and toughness of whole optical cable, while have preferable
Anti-moth-eating mouse bite preventing and fire-proof function meet inside cable requirement, can effectively solve the problems in background technique.
In order to solve the above-mentioned technical problem, the utility model provides the following technical solution:
A kind of twin-core inside cable, including Loose tube, the Loose tube outside is twisted to disappear equipped with PVC single fiber cable, strain
Decannulation, and the number of the PVC single fiber cable, strain relief casing is disposed as two, the PVC single fiber cable, strain
It eliminates casing to be disposed adjacent, fabric wrapping layer, the fabric package is equipped on the outside of the PVC single fiber cable, strain relief casing
Layer outside is equipped with flame-retardant layer, and anti-bite layer is equipped on the outside of the flame-retardant layer, is equipped with oversheath on the outside of the anti-bite layer, the PVC is mono-
Core optical cable is made of optical cable component wire, the center GFR strengthening core, strain relief sheath, the inner sheath being successively arranged from inside to outside, described
Strain relief casing is made of solid rubber pipe, aramid fiber layer, and the aramid fiber layer is circumferentially positioned at solid rubber pipe
Outside.
Furthermore, the Loose tube is made of sponge material, and the diameter of the optical cable component wire is 1.4mm.
Furthermore, the PVC single fiber cable, strain relief casing diameter be 3mm.
Furthermore, the anti-bite layer is set as stainless steel sleeve pipe, and the anti-bite layer is set as shape of threads.
Furthermore, the fabric wrapping layer is woven by polyester fiber, and the inner sheath, oversheath are by poly- ammonia
Ester material is constituted, and the thickness of the oversheath is set as 2mm.
Furthermore, the strain relief sheath is woven by aramid fiber, the thickness of the strain relief sheath
It is set as 1mm.
The utility model is the utility model has the advantages that a kind of twin-core inside cable, by by PVC single fiber cable, strain relief casing strand
Conjunction is connected on Loose tube, can effectively improve using the strain relief casing being made of solid rubber pipe, aramid fiber layer whole
The strain resistant ability of body optical cable improves the elasticity and toughness of whole optical cable, for the optical cable in corner position convenient for fixing, together
When be not easily broken, can effectively improve the anti-insect mouse bite preventing energy of optical cable using the anti-bite layer being made of shape of threads stainless steel sleeve pipe
Power preferably protects optical cable, improves the service life of optical cable, and the fire resistance property of optical cable is improved by flame-retardant layer, whole
The strain resistant ability of optical cable can be improved by strain relief casing for structure, improve the elasticity and toughness of whole optical cable, simultaneously
With preferable Anti-moth-eating mouse bite preventing and fire-proof function, meet inside cable requirement.
Detailed description of the invention
Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this
Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.
Fig. 1 is a kind of twin-core inside cable structure chart of the utility model.
Fig. 2 is a kind of twin-core inside cable PVC single fiber cable structure chart of the utility model.
Fig. 3 is a kind of twin-core inside cable strain relief casing structure chart of the utility model.
Figure label: 1, Loose tube；2, PVC single fiber cable；3, strain relief casing；4, fabric wrapping layer；5, flame-retardant layer；
6, anti-bite layer；7, oversheath；8, optical cable component wire；9, the center GFR strengthening core；10, strain relief sheath；11, inner sheath；12, real
Heart rubber tube；13, aramid fiber layer.
Specific embodiment
It is illustrated below in conjunction with preferred embodiment of the attached drawing to the utility model, it should be understood that described herein excellent
It selects embodiment to be only used for describing and explaining the present invention, is not used to limit the utility model.
As shown in Figure 1-3, a kind of twin-core inside cable, including Loose tube 1, it is twisted that be equipped with PVC mono- on the outside of the Loose tube 1
Core optical cable 2, strain relief casing 3, and the number of the PVC single fiber cable 2, strain relief casing 3 is disposed as two, it is described
PVC single fiber cable 2, strain relief casing 3 are disposed adjacent, by the way that PVC single fiber cable 2, strain relief casing 3 to be twisted and be connected to
On Loose tube 1, entirety can effectively improve using the strain relief casing 3 being made of solid rubber pipe 12, aramid fiber layer 13
The strain resistant ability of optical cable improves the elasticity and toughness of whole optical cable, for the optical cable in corner position convenient for fixing, simultaneously
It is not easily broken, fabric wrapping layer 4 is equipped on the outside of the PVC single fiber cable 2, strain relief casing 3, improves structural stability,
It is equipped with flame-retardant layer 5 on the outside of the fabric wrapping layer 4, anti-bite layer 6 is equipped on the outside of the flame-retardant layer 5, using by shape of threads stainless steel
The anti-bite layer 6 that casing is constituted can effectively improve the anti-insect mouse bite preventing ability of optical cable, preferably protects optical cable, improves light
The service life of cable improves the fire resistance property of optical cable by flame-retardant layer 5, and oversheath 7 is equipped on the outside of the anti-bite layer 6, described
PVC single fiber cable 2 is by the optical cable component wire 8, the center GFR strengthening core 9, strain relief sheath 10, interior shield that are successively arranged from inside to outside
Set 11 is constituted, and is effectively played a protective role to optical cable component wire 8, the strain relief casing 3 is by solid rubber pipe 12, aramid fiber
Layer 13 is constituted, and the aramid fiber layer 13 is circumferentially positioned at 12 outside of solid rubber pipe.
More specifically, the Loose tube 1 is made of sponge material, and the diameter of the optical cable component wire 8 is 1.4mm, described
PVC single fiber cable 2, strain relief casing 3 diameter be 3mm, the anti-bite layer 6 is set as stainless steel sleeve pipe, and described anti-
Sting layer 6 and be set as shape of threads, the fabric wrapping layer 4 is woven by polyester fiber, the inner sheath 11, oversheath 7 by
Polyurethane material is constituted, and the thickness of the oversheath 7 is set as 2mm, the strain relief sheath 10 woven by aramid fiber and
At the thickness of the strain relief sheath 10 is set as 1mm.
The utility model is improved in a kind of twin-core inside cable, by twisting PVC single fiber cable 2, strain relief casing 3
Conjunction is connected on Loose tube 1, can be effective using the strain relief casing 3 being made of solid rubber pipe 12, aramid fiber layer 13
The strain resistant ability for improving whole optical cable, improves the elasticity and toughness of whole optical cable, the optical cable in corner position is convenient for
It is fixed, it is not easily broken simultaneously, can effectively improve the anti-insect of optical cable using the anti-bite layer 6 being made of shape of threads stainless steel sleeve pipe
Mouse bite preventing ability, preferably protects optical cable, improves the service life of optical cable, and the fire prevention of optical cable is improved by flame-retardant layer 5
The strain resistant ability of optical cable can be improved by strain relief casing for ability, overall structure, improve whole optical cable elasticity and
Toughness, while there is preferable Anti-moth-eating mouse bite preventing and fire-proof function, meet inside cable requirement.
The above are the preferable embodiment of the utility model, the utility model those skilled in the art can also be to upper
It states embodiment to change and modify, therefore, the utility model is not limited to above-mentioned specific embodiment, all abilities
Field technique personnel made any conspicuous improvement, replacement or modification on the basis of the utility model belong to practical
Novel protection scope.
Claims (6)
1. a kind of twin-core inside cable, including Loose tube (1), it is characterised in that: twisted on the outside of the Loose tube (1) to be equipped with PVC
Single fiber cable (2), strain relief casing (3), and the number of the PVC single fiber cable (2), strain relief casing (3) is respectively provided with
It is two, the PVC single fiber cable (2), strain relief casing (3) are disposed adjacent, the PVC single fiber cable (2), strain relief
Fabric wrapping layer (4) are equipped on the outside of casing (3), are equipped with flame-retardant layer (5) on the outside of the fabric wrapping layer (4), the flame-retardant layer (5)
Outside is equipped with anti-bite layer (6), is equipped with oversheath (7) on the outside of the anti-bite layer (6), the PVC single fiber cable (2) is by successively from interior
It is constituted to the optical cable component wire (8) of outer setting, the center GFR strengthening core (9), strain relief sheath (10), inner sheath (11), it is described to answer
Become elimination casing (3) to be made of solid rubber pipe (12), aramid fiber layer (13), and the aramid fiber layer (13) is around setting
On the outside of solid rubber pipe (12).
2. a kind of twin-core inside cable according to claim 1, it is characterised in that: the Loose tube (1) is by sponge material
It constitutes, the diameter of the optical cable component wire (8) is 1.4mm.
3. a kind of twin-core inside cable according to claim 1, it is characterised in that: the PVC single fiber cable (2), strain
The diameter for eliminating casing (3) is 3mm.
4. a kind of twin-core inside cable according to claim 1, it is characterised in that: the anti-bite layer (6) is set as stainless
Steel sleeve, and the anti-bite layer (6) is set as shape of threads.
5. a kind of twin-core inside cable according to claim 1, it is characterised in that: the fabric wrapping layer (4) is by terylene
Fibrage forms, and the inner sheath (11), oversheath (7) are made of polyurethane material, and the thickness of the oversheath (7) is set
It is set to 2mm.
6. a kind of twin-core inside cable according to claim 1, it is characterised in that: the strain relief sheath (10) is by virtue
Synthetic fibre fibrage forms, and the thickness of the strain relief sheath (10) is set as 1mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793923.7U CN208861022U (en) | 2018-11-01 | 2018-11-01 | A kind of twin-core inside cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821793923.7U CN208861022U (en) | 2018-11-01 | 2018-11-01 | A kind of twin-core inside cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208861022U true CN208861022U (en) | 2019-05-14 |
Family
ID=66421784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821793923.7U Active CN208861022U (en) | 2018-11-01 | 2018-11-01 | A kind of twin-core inside cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208861022U (en) |
-
2018
- 2018-11-01 CN CN201821793923.7U patent/CN208861022U/en active Active
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