CN109752809A - Butterfly optical cable - Google Patents
Butterfly optical cable Download PDFInfo
- Publication number
- CN109752809A CN109752809A CN201910131017.3A CN201910131017A CN109752809A CN 109752809 A CN109752809 A CN 109752809A CN 201910131017 A CN201910131017 A CN 201910131017A CN 109752809 A CN109752809 A CN 109752809A
- Authority
- CN
- China
- Prior art keywords
- sheath
- optical fiber
- barrier piece
- butterfly
- optical cable
- Prior art date
- Legal status (The legal status 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 status listed.)
- Granted
Links
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
- G02B6/4432—Protective covering with fibre reinforcements
- G02B6/4433—Double reinforcement laying in straight line with optical transmission element
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/46—Processes or apparatus adapted for installing or repairing optical fibres or optical cables
- G02B6/56—Processes for repairing optical cables
- G02B6/566—Devices for opening or removing the mantle
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Light Guides In General And Applications Therefor (AREA)
Abstract
The present invention provides a kind of butterfly optical cable, comprising: optical fiber；Reinforcer is set to the left and right sides of optical fiber；Sheath, is coated on the outside of optical fiber and reinforcer, and the cross section of the shape of sheath is rectangle；With barrier piece, it is set to the two sides up and down of optical fiber and is set in sheath, towards the outer lateral bend of sheath, the sheath for being coated on optical fiber or more two sides is respectively separated into first part and second part by barrier piece for the two sides of barrier piece, first part is close to optical fiber, and second part is far from optical fiber.Butterfly optical cable of the present invention does not have groove, for relatively existing butterfly optical cable, can increase the thickness of the sheath of outer fiber, improve the protection to optical fiber to avoid dust stratification, sheath when installation is avoided voluntarily to tear.And the setting of barrier piece is conducive to ripping sheath when needed and obtains exposed optical fiber.
Description
It is on July 15th, 2016 that the application, which is the applying date, application No. is 201610575300.1, entitled " butterfly
The divisional application of optical cable ".
Technical field
The present invention relates to optical cable technology field more particularly to a kind of butterfly optical cables.
Background technique
The optical cable that user of the large-scale application in fiber to the home network introduces section at present generally uses butterfly optical cable.Such as figure
Shown in 1, the center of butterfly optical cable is the optical fiber 100 as optical communication unit, and strengthening core is respectively set in the both sides of optical fiber 100
200 to protect optical fiber, sheath 300 is wrapped on the outside of optical fiber 100 and strengthening core 200,300 shape of sheath is in flat
Shape, convenient for indoor laying.In general, sheath 300 is equipped with groove 301, thickness of the sheath in 301 bottom of groove in the two sides of optical fiber 100
Degree is less than the thickness of other positions, easily can take out optical fiber 100 from 301 bottom tear sheath 300 of groove.But it is recessed
Dust stratification is easy at slot 301, and since the sheath 300 at groove 301 is relatively thin, it is very poor to the protectiveness of optical fiber 100, in installation process
In it is easy to appear stress at groove 301 and being voluntarily torn leads to the exposed situation of optical fiber 100.
Summary of the invention
The purpose of the present invention is to solve the above problems, provide a kind of butterfly optical cable, do not have groove, avoid accumulating
Ash increases the thickness of the sheath of outer fiber, improves the protection to optical fiber, and sheath when installation is avoided voluntarily to tear.
In order to achieve the above object, the present invention provides a kind of butterfly optical cable, comprising: optical fiber；Reinforcer is set to optical fiber
The left and right sides；Sheath, is coated on the outside of optical fiber and reinforcer, and the cross section of the shape of sheath is rectangle；With barrier piece, setting
In optical fiber two sides up and down and be set in sheath, the two sides of barrier piece are towards the outer lateral bend of sheath, and barrier piece is cladding
The sheath of two sides is respectively separated into first part and second part above and below optical fiber, and close to optical fiber, second part is remote for first part
From optical fiber.
In one embodiment of the invention, the second part that the outside of the sheath corresponds to sheath is equipped with several first cutoff tools
Mouthful, the length direction of several first cutoff tool opening's edge butterfly optical cables is alternatively arranged.
In one embodiment of the invention, several first cutting edges of a knife run through the second part of sheath.
In one embodiment of the invention, the two sides of the barrier piece are equipped with several second cutting edges of a knife, and several second cut
The length direction of breaking opening's edge barrier piece is alternatively arranged.
In one embodiment of the invention, the trapezoidal channel-shaped in cross section of the barrier piece.
In one embodiment of the invention, the arc-shaped channel-shaped in cross section of the barrier piece.
In one embodiment of the invention, the second part correspond to the two sides of the barrier piece with a thickness of 0.05mm-
0.1mm。
In one embodiment of the invention, the shortest distance of the barrier piece to the optical fiber is 0.1mm-0.2mm.
In one embodiment of the invention, the sheath uses flame retardant type polythene material.
In one embodiment of the invention, the reinforcer uses steel wire, KFRP, GFRP or QFRP material.
Compared with prior art, the beneficial effect of the technical program is:
The cross section of butterfly optical cable of the present invention, the shape of sheath is rectangle, that is, sheath is not provided with groove, then is laid in
Indoor butterfly optical cable is not easy dust stratification.Since the cross section of the shape of sheath is rectangle, it is not provided with groove, relative to existing
For butterfly optical cable, the thickness of butterfly optical cable of the invention, the sheath of outer fiber is relatively thick, improves the guarantor to optical fiber
Shield, due to voluntarily being torn by external force sheath when can be installed to avoid butterfly optical cable.Barrier piece is equipped in sheath, due to barrier piece
Barrier effect, the sheath of on the upside of optical fiber or downside has been separated into first part and second part, to second part towards outside
Force, can tear second part, further take out barrier piece, then butterfly optical cable of the present invention becomes butterfly commonly used in the prior art
Shape optical cable, then first part is torn, it can be obtained exposed optical fiber.And during the installation process, butterfly optical cable is twisted or collides
Suffered power can't be applied to second part and towards the power on the outside of second part, therefore, be not easy in installation process
There is the case where sheath is torn and exposes optical fiber.According to the needs of use, purposefully ripping sheath can just obtain user
Obtain exposed optical fiber.When needing exposed optical fiber, user only needs the successively second part of ripping sheath, barrier piece and shield
Exposed optical fiber can be obtained in the first part of set, very convenient.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of existing butterfly optical cable；
Fig. 2 is the structural schematic diagram of an embodiment of butterfly optical cable of the present invention；
Fig. 3 is the structural schematic diagram of another embodiment of butterfly optical cable of the present invention；
Fig. 4 is the schematic perspective view of an embodiment of butterfly optical cable of the present invention；
Fig. 5 is the structural schematic diagram of the barrier piece of an embodiment of butterfly optical cable of the present invention.
Specific embodiment
With reference to the accompanying drawing, by specific embodiment, clear, complete description is carried out to technical solution of the present invention.
Please refer to shown in Fig. 2,4,5, the present invention provides a kind of butterfly optical cable, comprising: optical fiber 1, reinforcer 2, sheath 3 and every
Baffle 4.The reinforcer 2 is set to the left and right sides of the optical fiber 1.Sheath 3 is coated on the outside of optical fiber 1 and reinforcer 2.Institute
The cross section for stating the shape of sheath 3 is rectangle, that is, sheath 3 is not provided with groove, then is laid in indoor butterfly optical cable and does not allow
Easy dust stratification.Four angles of rectangle can be fillet, and shape is more beautiful.Since the cross section of the shape of sheath 3 is rectangle, do not set
Fluted, for existing butterfly optical cable, the thickness of butterfly optical cable of the invention, the sheath 3 in 1 outside of optical fiber is opposite
It is thicker, the protection to optical fiber 1 is improved, due to voluntarily being torn by external force sheath 3 when can install to avoid butterfly optical cable.
The barrier piece 4 is set to the two sides up and down of the optical fiber 1 and is set in the sheath 3.The two sides of barrier piece 4
While barrier piece 4 sheaths 3 for being coated on about 1 two sides of optical fiber are respectively separated into first part 31 towards the outer lateral bend of sheath 3
With second part 32, first part 31 is close to optical fiber 1, and second part 32 is far from optical fiber 1.Due to the barrier effect of barrier piece 4,
The sheath 3 of 1 upside of optical fiber or downside has been separated into first part 31 and second part 32, exerts a force to second part 32 towards outside,
Second part 32 can be torn, further take out barrier piece 4, then butterfly optical cable of the present invention becomes butterfly commonly used in the prior art
Optical cable, then first part 31 is torn, it can be obtained exposed optical fiber 1.And during the installation process, butterfly optical cable is twisted or collides
Suffered power can't be applied to second part 32 and towards the power in 32 outside of second part, therefore, in installation process not
It is easy to appear the case where sheath 3 is torn and exposes optical fiber 1.User according to the needs of use, purposefully ripping sheath 3
Exposed optical fiber 1 could be obtained.According to above-mentioned analysis it is found that user only need successively ripping sheath 3 second part 32, every
Exposed optical fiber 1 can be obtained in the first part 31 of baffle 4 and sheath 3, very convenient.
" left and right sides of optical fiber " described in the text is to refer to the left and right side of optical fiber using position shown in Fig. 2 as reference,
But it is not intended to restrict the invention herein, when butterfly optical cable rotation direction, " left and right sides of optical fiber " changes therewith.Similarly,
" two sides up and down of optical fiber " described in the text are to refer to the upper side and lower side of optical fiber, herein equally using position shown in Fig. 2 as reference
It is not used in the limitation present invention.
The outside of the sheath 3 correspond to sheath 3 second part 32 be equipped with it is several first cutting the edges of a knife 321, several first
The cutting edge of a knife 321 is alternatively arranged along the length direction of butterfly optical cable.Then the length direction along dish cable tears the of a part of sheath 3
Behind two parts 32, do not need second part 32 can be pulled apart by other tools, so that one end of dish cable is torn, and other portions
Divide unaffected.Further, several first cutting edges of a knife 321 run through the second part 32 of sheath 3, then tear second part 32
Afterwards, it is easier to pull apart second part 32.
The two sides of the barrier piece 4 are equipped with several second cutting edges of a knife 41, and several second cutting edges of a knife 41 are along barrier piece 4
Length direction be alternatively arranged.Directly barrier piece 4 can be pulled apart using the second cutting edge of a knife 41, then the second of ripping sheath 3
Behind part 32, do not need that barrier piece 4 can be pulled apart by other tools, so that the first part 31 of sheath 3 exposes, then
The first part 31 of ripping sheath 3 can be obtained exposed optical fiber 1.
In the present embodiment, the trapezoidal channel-shaped in cross section of the barrier piece 4, notch towards the outside of sheath 3, sheath 3
Second part 32 is filled in dovetail groove, and the second part 32 of ripping sheath 3 becomes existing butterfly optical cable.The barrier piece
4 structures are simple, are separated by sheath 3, both improved protective effect of the sheath 3 to optical fiber 1, also ensure that sheath 3 is needing to tear
When tearability energy.But not limited to this, barrier piece 4 is also possible to other shapes.In another embodiment, as shown in figure 3, institute
The arc-shaped channel-shaped in cross section of barrier piece 4 is stated, notch is filled in arc groove towards the outside of sheath 3, the second part 32 of sheath 3
It is interior.
The position of the two sides of the corresponding barrier piece 4 of the second part 32 of sheath 3 is tearable point, and thickness herein was both
Cannot it is too thin can not be too thick.It is too thin to be easy to tear second part 32 because of distortion power when installing, sheath 3 is reduced to optical fiber 1
Protective effect；Too thick then not easily openable second part 32, needs then to need when exposed optical fiber 1 by special when seated
Tool tears second part 32, is not easy to install.In the present embodiment, the two of the corresponding barrier piece 4 of the second part 32
The thickness d of side is 0.05mm-0.1mm, neither too thin nor too thick, distortion power when installation not easily openable second part
32, it is ensured that protective effect of the sheath 3 to optical fiber 1, manpower can directly tear second part 32 when exerting a force, not need by special
Tool, be easily installed.
The shortest distance of the barrier piece 4 to the optical fiber 1 is 0.1mm-0.2mm, that is, the minimum of first part 31
After thickness is 0.1mm-0.2mm, is played a certain protective role to optical fiber 1, and second part 32 and barrier piece 4 are torn section, the
A part 31 is also often easily ripped, convenient for obtaining exposed optical fiber 1.
The sheath 3 uses flame retardant type polythene material, has fire protecting performance.Metal material can be used in the reinforcer 2,
Such as steel wire；Nonmetallic materials can also be used, such as KFRP, GFRP or QFRP material.
Although the invention has been described by way of example and in terms of the preferred embodiments, but it is not for limiting the present invention, any this field
Technical staff without departing from the spirit and scope of the present invention, may be by the methods and technical content of the disclosure above to this hair
Bright technical solution makes possible variation and modification, therefore, anything that does not depart from the technical scheme of the invention, and according to the present invention
Technical spirit any simple modifications, equivalents, and modifications to the above embodiments, belong to technical solution of the present invention
Protection scope.
Claims (2)
1. a kind of butterfly optical cable characterized by comprising
Optical fiber；
Reinforcer is set to the left and right sides of optical fiber；
Sheath, is coated on the outside of optical fiber and reinforcer, and the cross section of the shape of sheath is not provided with groove；With
Barrier piece is set to the two sides up and down of optical fiber and is set in sheath, the outer lateral bending of the two sides of barrier piece towards sheath
The sheath for being coated on optical fiber or more two sides is respectively separated into first part and second part by song, barrier piece, and first part is close
Optical fiber, second part is far from optical fiber.
2. butterfly optical cable according to claim 1, which is characterized in that the cross section of the shape of the sheath is rectangle, square
Four angles of shape are fillet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131017.3A CN109752809B (en) | 2016-07-15 | 2016-07-15 | Butterfly-shaped optical cable |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910131017.3A CN109752809B (en) | 2016-07-15 | 2016-07-15 | Butterfly-shaped optical cable |
| CN201610575300.1A CN105974543B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610575300.1A Division CN105974543B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109752809A true CN109752809A (en) | 2019-05-14 |
| CN109752809B CN109752809B (en) | 2020-09-29 |
Family
ID=56952679
Family Applications (3)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128905.XA Active CN109752808B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
| CN201610575300.1A Active CN105974543B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
| CN201910131017.3A Active CN109752809B (en) | 2016-07-15 | 2016-07-15 | Butterfly-shaped optical cable |
Family Applications Before (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910128905.XA Active CN109752808B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
| CN201610575300.1A Active CN105974543B (en) | 2016-07-15 | 2016-07-15 | Butterfly cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (3) | CN109752808B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111399147A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Expansion type weather-resistant rural household lead-in optical cable |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107290831B (en) * | 2017-07-31 | 2019-05-24 | 杭州富通通信技术股份有限公司 | Butterfly optical cable |
| CN113970819B (en) * | 2021-10-26 | 2023-08-01 | 深圳新澳科电缆有限公司 | Detachable combined butterfly cable |
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| US5960144A (en) * | 1996-10-09 | 1999-09-28 | Siemens Aktiengesellschaft | Communication cable with strain relief elements applied in the region of the outside cladding |
| JP2006011166A (en) * | 2004-06-28 | 2006-01-12 | Sumitomo Electric Ind Ltd | Fiber optic cable |
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| CN111399147A (en) * | 2020-04-29 | 2020-07-10 | 成都亨通光通信有限公司 | Expansion type weather-resistant rural household lead-in optical cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105974543B (en) | 2019-03-22 |
| CN109752809B (en) | 2020-09-29 |
| CN105974543A (en) | 2016-09-28 |
| CN109752808B (en) | 2020-07-03 |
| CN109752808A (en) | 2019-05-14 |
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