CN203337878U - Skeleton type loose-tube optical cable - Google Patents

Skeleton type loose-tube optical cable Download PDF

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Publication number
CN203337878U
CN203337878U CN2013204042358U CN201320404235U CN203337878U CN 203337878 U CN203337878 U CN 203337878U CN 2013204042358 U CN2013204042358 U CN 2013204042358U CN 201320404235 U CN201320404235 U CN 201320404235U CN 203337878 U CN203337878 U CN 203337878U
Authority
CN
China
Prior art keywords
skeleton
layer
loose
filling
optical fiber
Prior art date
Application number
CN2013204042358U
Other languages
Chinese (zh)
Inventor
张华�
王星翔
马亚辉
Original Assignee
昆明华视讯网络科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 昆明华视讯网络科技有限公司 filed Critical 昆明华视讯网络科技有限公司
Priority to CN2013204042358U priority Critical patent/CN203337878U/en
Application granted granted Critical
Publication of CN203337878U publication Critical patent/CN203337878U/en

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Abstract

The utility model discloses a skeleton type loose-tube optical cable. The skeleton type loose-tube optical cable comprises optical fibers, a sheath, a plastic-coated steel strip layer, a loose tube, a waterproof layer and a supporting skeleton. The optical fibers are disposed at a central position of the skeleton type loose-tube optical cable; optical-fiber fillers are disposed around the optical fibers; and the loose tube, the waterproof layer, the plastic-coated steel strip layer and the sheath are successively disposed from the inside by taking the optical fibers as a center. The skeleton type loose-tube optical cable is characterized in that: the supporting skeleton is disposed inside the loose tube, the loose tube is divided into an inner skeleton layer and an outer skeleton layer, the inner skeleton layer is contacted with the optical fibers or the optical-fiber fillers, the outer skeleton layer is contacted with the waterproof layer, inner layer fillers are disposed in the inner skeleton layer, and outer layer fillers are disposed in the outer skeleton layer. The skeleton type loose-tube optical cable has the advantages of stable structure and high overall tensile strength, an external side pressure and an internal stress can be well borne and released, and wind-resistant strength is greatly improved.

Description

A kind of skeleton loose tube cable

Technical field

The utility model relates to optical fiber information transmission technology field in physics class optical element, espespecially a kind of skeleton loose tube cable.

Background technology

Can loosely in optical cable in prior art place optical fiber and optical fiber itself unaffected be to protect optical fiber to avoid the polypropylene of internal stress and outer side pressure influence or the sleeve pipe that nylon is made because be provided with; but this in actual use loose sleeve pipe production cost is higher; and stressed also less; in actual job, because the improper or manually-operated of transportation is improper etc., reason easily causes infringement, or pressurized is inhomogeneous.

Summary of the invention

For addressing the above problem, the utility model provides a kind of skeleton loose tube cable, and this cable configuration is firm, can be good at bearing and discharges outer side pressure and internal stress, and the whole tensile strength of optical cable is high, and rated wind velocity has had larger lifting.

For achieving the above object, the utility model adopts following technology to realize, a kind of skeleton loose tube cable, comprise optical fiber, sheath, the Clad Steel belt, the pine sleeve pipe, water blocking layer, support frame, optical fiber is arranged on a kind of center of skeleton loose tube cable, be provided with the optical fiber filling material around optical fiber, the optical fiber of take from inside to outside is disposed with loose sleeve pipe as the center of circle, water blocking layer, the Clad Steel belt, sheath, wherein loose inside pipe casing is provided with support frame, support frame is divided into skeleton internal layer and skeleton skin by loose sleeve pipe, the skeleton internal layer contacts with optical fiber or optical fiber filling material, skeleton is outer to be contacted with water blocking layer, be provided with the internal layer filling material in the skeleton internal layer, the skeleton skin is provided with outer filling material.

As further improvement of the utility model, wind loading rating and stretch-proof ability for increasing a kind of skeleton loose tube cable, be provided with 2~3 bearing steel wires in sheath.

As further improvement of the utility model, for reaching the better bearing capacity of optical cable and absorbing internal stress, 30~70% of the packed density that the packed density of internal layer filling material is outer filling material.

As further improvement of the utility model, for reaching good water absorptivity, on the outside surface that outer filling material contacts with water blocking layer, be provided with air hole.

The utility model compared with prior art has following beneficial effect:

1, this cable configuration is firm, can be good at bearing and discharges outer side pressure and internal stress, and the whole tensile strength of optical cable is high, and rated wind velocity has had larger lifting.

2, environmental suitability is strong, can be applicable to the environment of high temperature humidity, long service life.

The accompanying drawing explanation

Fig. 1 is each structure scheme of installation of a kind of skeleton loose tube cable;

1-optical fiber in figure; The 2-sheath; The 3-bearing steel wire; 4-Clad Steel belt; 5-pine sleeve pipe; The 6-water blocking layer; The 7-support frame.

Embodiment

Embodiment 1

A kind of skeleton loose tube cable as shown in Figure 1, comprise optical fiber 1, sheath 2, Clad Steel belt 4, pine sleeve pipe 5, water blocking layer 6, support frame 7, optical fiber 1 is arranged on a kind of center of skeleton loose tube cable, be provided with filling material around optical fiber 1, the optical fiber 1 of take from inside to outside is disposed with loose sleeve pipe 5 as the center of circle, water blocking layer 6, Clad Steel belt 4, sheath 2, wherein loose sleeve pipe 5 inside are provided with support frame 7, support frame 7 is divided into skeleton internal layer and skeleton skin by loose sleeve pipe 5, the skeleton internal layer contacts with optical fiber 1 or optical fiber filling material, skeleton is outer to be contacted with water blocking layer 6, be provided with the internal layer filling material in the skeleton internal layer, the skeleton skin is provided with outer filling material, for wind loading rating and the stretch-proof ability that increases a kind of skeleton loose tube cable, be provided with 2 bearing steel wires 3 in sheath 2, for reaching the better bearing capacity of optical cable and absorbing internal stress, 30% of the packed density that the packed density of internal layer filling material is outer filling material, for reaching good water absorptivity, be provided with air hole on the outside surface that outer filling material contacts with water blocking layer 6.

Embodiment 2

A kind of skeleton loose tube cable as shown in Figure 1, comprise optical fiber 1, sheath 2, Clad Steel belt 4, pine sleeve pipe 5, water blocking layer 6, support frame 7, optical fiber 1 is arranged on a kind of center of skeleton loose tube cable, be provided with filling material around optical fiber 1, the optical fiber 1 of take from inside to outside is disposed with loose sleeve pipe 5 as the center of circle, water blocking layer 6, Clad Steel belt 4, sheath 2, wherein loose sleeve pipe 5 inside are provided with support frame 7, support frame 7 is divided into skeleton internal layer and skeleton skin by loose sleeve pipe 5, the skeleton internal layer contacts with optical fiber 1 or optical fiber filling material, skeleton is outer to be contacted with water blocking layer 6, be provided with the internal layer filling material in the skeleton internal layer, the skeleton skin is provided with outer filling material, for wind loading rating and the stretch-proof ability that increases a kind of skeleton loose tube cable, be provided with 3 bearing steel wires 3 in sheath 2, for reaching the better bearing capacity of optical cable and absorbing internal stress, 50% of the packed density that the packed density of internal layer filling material is outer filling material, for reaching good water absorptivity, be provided with air hole on the outside surface that outer filling material contacts with water blocking layer 6.

Embodiment 3

A kind of skeleton loose tube cable as shown in Figure 1, comprise optical fiber 1, sheath 2, Clad Steel belt 4, pine sleeve pipe 5, water blocking layer 6, support frame 7, optical fiber 1 is arranged on a kind of center of skeleton loose tube cable, be provided with filling material around optical fiber 1, the optical fiber 1 of take from inside to outside is disposed with loose sleeve pipe 5 as the center of circle, water blocking layer 6, Clad Steel belt 4, sheath 2, wherein loose sleeve pipe 5 inside are provided with support frame 7, support frame 7 is divided into skeleton internal layer and skeleton skin by loose sleeve pipe 5, the skeleton internal layer contacts with optical fiber 1 or optical fiber filling material, skeleton is outer to be contacted with water blocking layer 6, be provided with the internal layer filling material in the skeleton internal layer, the skeleton skin is provided with outer filling material, for wind loading rating and the stretch-proof ability that increases a kind of skeleton loose tube cable, be provided with 3 bearing steel wires 3 in sheath 2, for reaching the better bearing capacity of optical cable and absorbing internal stress, 70% of the packed density that the packed density of internal layer filling material is outer filling material, for reaching good water absorptivity, be provided with air hole on the outside surface that outer filling material contacts with water blocking layer 6.

Claims (5)

1. a skeleton loose tube cable, comprise optical fiber (1), sheath (2), Clad Steel belt (4), pine sleeve pipe (5), water blocking layer (6), support frame (7), optical fiber (1) is arranged on a kind of center of skeleton loose tube cable, optical fiber (1) is provided with the optical fiber filling material on every side, the optical fiber (1) of take from inside to outside is disposed with loose sleeve pipe (5) as the center of circle, water blocking layer (6), Clad Steel belt (4), sheath (2), it is characterized in that: loose sleeve pipe (5) inside is provided with support frame (7), support frame (7) is divided into skeleton internal layer and skeleton skin by loose sleeve pipe (5), the skeleton internal layer contacts with optical fiber (1) or optical fiber filling material, skeleton is outer to be contacted with water blocking layer (6), be provided with the internal layer filling material in the skeleton internal layer, the skeleton skin is provided with outer filling material.
2. a kind of skeleton loose tube cable according to claim 1, is characterized in that: be provided with 2~3 bearing steel wires (3) in sheath (2).
3. a kind of skeleton loose tube cable according to claim 1, is characterized in that: 30~70% of the packed density that the packed density of internal layer filling material is outer filling material.
4. a kind of skeleton loose tube cable according to claim 2, is characterized in that: 30~70% of the packed density that the packed density of internal layer filling material is outer filling material.
5. according to the claim 1-4 described a kind of skeleton loose tube cable of any one wherein, it is characterized in that: on the outside surface that outer filling material contacts with water blocking layer (6), be provided with air hole.
CN2013204042358U 2013-07-09 2013-07-09 Skeleton type loose-tube optical cable CN203337878U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013204042358U CN203337878U (en) 2013-07-09 2013-07-09 Skeleton type loose-tube optical cable

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2013204042358U CN203337878U (en) 2013-07-09 2013-07-09 Skeleton type loose-tube optical cable

Publications (1)

Publication Number Publication Date
CN203337878U true CN203337878U (en) 2013-12-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013204042358U CN203337878U (en) 2013-07-09 2013-07-09 Skeleton type loose-tube optical cable

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CN (1) CN203337878U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616800A (en) * 2015-02-03 2015-05-13 贵州星天电线电缆有限公司 Heating type diameter-expansion fiber combined aluminum alloy overhead conductor
CN105445874A (en) * 2015-11-25 2016-03-30 长城信息产业股份有限公司 Double-layer loose sleeve optical cable and preparation method
CN107179590A (en) * 2017-07-30 2017-09-19 苏州专创光电科技有限公司 A kind of waterproof Anti-freezing pipeline optical cable
CN107561659A (en) * 2017-09-29 2018-01-09 烽火通信科技股份有限公司 A kind of skeleton Loose tube
CN108008512A (en) * 2018-01-24 2018-05-08 苏州专创光电科技有限公司 A kind of optical cable with moisture-proof function

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104616800A (en) * 2015-02-03 2015-05-13 贵州星天电线电缆有限公司 Heating type diameter-expansion fiber combined aluminum alloy overhead conductor
CN105445874A (en) * 2015-11-25 2016-03-30 长城信息产业股份有限公司 Double-layer loose sleeve optical cable and preparation method
CN107179590A (en) * 2017-07-30 2017-09-19 苏州专创光电科技有限公司 A kind of waterproof Anti-freezing pipeline optical cable
CN107179590B (en) * 2017-07-30 2019-06-28 江苏华脉光电科技有限公司 A kind of waterproof Anti-freezing pipeline optical cable
CN107561659A (en) * 2017-09-29 2018-01-09 烽火通信科技股份有限公司 A kind of skeleton Loose tube
CN108008512A (en) * 2018-01-24 2018-05-08 苏州专创光电科技有限公司 A kind of optical cable with moisture-proof function

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Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131211

Termination date: 20160709