CN209373203U - Multiple-unit butterfly leading in cable - Google Patents
Multiple-unit butterfly leading in cable Download PDFInfo
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- CN209373203U CN209373203U CN201920061391.6U CN201920061391U CN209373203U CN 209373203 U CN209373203 U CN 209373203U CN 201920061391 U CN201920061391 U CN 201920061391U CN 209373203 U CN209373203 U CN 209373203U
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Abstract
The utility model discloses a kind of multiple-unit butterfly leading in cables, including at least two fiber units, the fiber unit is coated with oversheath, the fiber unit is arranged in parallel along the long axis direction of the oversheath, reinforcer is provided between fiber unit described in any two, the reinforcer is arranged on two fiber unit center lines, the reinforcer is arranged in parallel with the fiber unit, is provided with tearing port along the short-axis direction of the oversheath, on the oversheath of each fiber unit two sides.Integral optical fiber unit in existing butterfly leading in cable is divided into several fiber units by the utility model, tearing port is correspondingly arranged on outside each fiber unit, each fiber unit is set individually to tear, preventing a whole fiber unit from tearing rear extra optical fiber causes line sequence chaotic, the problem of increasing follow-up maintenance difficulty, and multiple branches can be set and introduce connector, be independent of each other between the fiber unit of multiple branches' introducing connectors.
Description
Technical field
The utility model relates to optical cables to manufacture field, and in particular to a kind of multiple-unit butterfly leading in cable.
Background technique
In the prior art, butterfly leading in cable (or butterfly indoor optical cable) is generally by butterfly leading in cable sheath, setting
The optical fiber of center and setting in butterfly leading in cable sheath and are located at optical fiber two sides in butterfly leading in cable sheath
Aramid yarn reinforcement constitute.In recent years, with internal optical fiber register one's residence project pilot and gradually promote, butterfly indoor optical cable with
Have the characteristics that high bandwidth, high reliability data are transmitted, are easy to connect, being easily installed, stripping, operation and maintenance, becomes connection
Last the hundred meters best introducing cable of network backbone to user.
But the butterfly leading in cable of existing structure, the light after tearing butterfly sheath in construction, positioned at center
Fibre will all be fallen out, in actual use, it may occur that number of fibers is more than the case where fibre-optical splice quantity, extra in this way
Optical fiber out easily causes line sequence chaotic, increases follow-up maintenance difficulty；And extra optical fiber is possible to protect in butterfly
The other positions of set, which are torn, is connected with fibre-optical splice, so extra optical fiber can not be cut, but herein at extra optical fiber
In the state of shell-less protection, the situation that may result in the fibre that breaks occurs, and influences normal communication.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of multiple-unit butterfly leading in cables, according to fibre-optical splice
Quantity is provided with the fiber unit of multiple and different number of fibers, and the butterfly leading in cable for solving the prior art will own in construction
Optical fiber all removes the problem of causing.
In order to solve the above-mentioned technical problem, the utility model provides a kind of multiple-unit butterfly leading in cable, including at least
Two fiber units, the fiber unit are coated with oversheath, and the fiber unit is flat along the long axis direction of the oversheath
Row is arranged, and reinforcer is provided between fiber unit described in any two, and the reinforcer is arranged in two fiber units
On center line, the reinforcer is arranged in parallel with the fiber unit, along the short-axis direction of the oversheath, in each light
Tearing port is provided on the oversheath of fine unit two sides.
In one preferred embodiment of the utility model, further comprise the fiber unit include one with or more bulks
Optical fiber.
It further comprise that the fiber unit includes at least one set of fibre ribbon in one preferred embodiment of the utility model,
The fibre ribbon is arranged along the long axis direction of oversheath.
It further comprise the fiber unit include that multifiber boundling is formed in one preferred embodiment of the utility model
Fiber optic bundle.
In one preferred embodiment of the utility model, further comprise the tearing port be V-groove, the V-groove
Slot bottom is opposite with the center of the fiber unit.
In one preferred embodiment of the utility model, further comprise the reinforcer be metal reinforcement or it is nonmetallic plus
Strong part.
In one preferred embodiment of the utility model, further comprise messenger wire, the messenger wire and oversheath one
It forms, is provided with messenger wire steel wire in the messenger wire.
It further comprise the oversheath and messenger wire by low-smoke non-halogen flame-retardant in one preferred embodiment of the utility model
Material is made.
It further comprise that the messenger wire steel wire is twisted for more finer wires in one preferred embodiment of the utility model
Steel wire.
The utility model has the beneficial effects that the integral optical fiber unit in existing butterfly leading in cable is divided into several light
Fine unit, each fiber unit are correspondingly arranged on tearing port outside, each fiber unit are enable individually to tear, and prevent whole one
The problem of a fiber unit tears rear extra optical fiber and causes line sequence confusion, increases follow-up maintenance difficulty；And it is practical at this
In the construction usage of novel butterfly leading in cable, multiple branches can be set and introduce connector, multiple branches introduce the light of connector
It is independent of each other between fine unit.
Detailed description of the invention
Fig. 1 is the embodiment of the two unit butterfly leading in cables of the utility model；
Fig. 2 is the embodiment of the three unit butterfly leading in cables of the utility model.
Figure label explanation: 1, fiber unit；2, oversheath；3, reinforcer；4, tearing port；5, messenger wire steel wire；6, messenger wire.
Specific embodiment
The utility model is described in further detail in the following with reference to the drawings and specific embodiments, so that those skilled in the art
The utility model may be better understood and can be practiced, but illustrated embodiment is not as the restriction to the utility model.
Embodiment one
Shown in referring to Fig.1, an embodiment of the multiple-unit butterfly leading in cable of the utility model, including two fiber units
1, the fiber unit 1 is coated with oversheath 2, and the fiber unit 1 is arranged in parallel along the long axis direction of the oversheath 2,
Reinforcer 3 is provided between two fiber units 1, two 1 center lines of fiber unit are arranged in the reinforcer 3
Center, the reinforcer 3 are arranged in parallel with the fiber unit 1, and the fiber unit 1, oversheath 2, reinforcer 3 are synchronous
It squeezes out, with the oversheath 2 using crowded plumber's skill, extruder is placed with the fiber unit 1 at the fiber unit 1
Pipe mold is squeezed, the crowded pipe mold makes with through-hole in the middle part of the oversheath 2 squeezed out, and the fiber unit 1 is threaded through in through-hole, institute
Reinforcer 3 and the oversheath 2 are stated using extrusion process, extruder is placed with extrusion die at the reinforcer 3, institute
It states oversheath 2 to be extruded on the reinforcer 3, along the short-axis direction of the oversheath 2, in each 1 two sides of fiber unit
Oversheath 2 on be provided with tearing port 4.
In two fiber units 1, be provided in one of fiber unit 1 one with or more bulk optical fiber,
The fiber optic bundle or at least one set of fibre ribbon of the formation of multifiber boundling, the optical fiber are provided in another fiber unit 1
In process of production, the poly- fine needle of installation in the point of incoming cables of head plays multifiber using the poly- fine needle tubing of 1.3/1.8 poly- beam
The effect held together, the fiber optic bundle include 4 cores, 6 cores, 8 cores, 12 core fibre beams；Long axis direction of the fibre ribbon along butterfly sheath
Setting, the fibre ribbon pilots chromatographic grade matrix material according to sonet standard chromatography or optical fiber by simple optical fiber and band is made, institute
Stating fibre ribbon includes 4 cores, 6 cores, 8 cores, 12 core optic fibre belt optics, the advantages of this arrangement are as follows a variety of different construction feelings can be matched
Condition, setting is there are two different types of fiber unit 1 in this way, so that it may which the case where according to fibre-optical splice, matching is torn different
Fiber unit 1, such as the fibre-optical splice are multiple individual fibre-optical splices, then the fiber unit 1 of bulk optical fiber can be used,
If the fibre-optical splice is cluster connector, then the fiber unit 1 of fiber optic bundle or ribbon fiber can be used.
Embodiment two
Referring to shown in Fig. 2, another embodiment of the multiple-unit butterfly leading in cable of the utility model, including three optical fiber
Unit 1, the fiber unit 1 are coated with oversheath 2, and the fiber unit 1 is set in parallel along the long axis direction of the oversheath 2
It sets, reinforcer 3 is provided between fiber unit 1 described in any two, the reinforcer 3 is arranged in two fiber units 1
The center of center line, the reinforcer 3 are arranged in parallel with the fiber unit 1, along the oversheath 2 short-axis direction,
Tearing port 4 is provided on the oversheath 2 of each 1 two sides of fiber unit.
In three fiber units 1, respectively include one be provided with one with or more bulk optical fiber optical fiber list
1, one, member is provided with the light of fiber unit 1, one at least one set of fibre ribbon composition of the fiber optic bundle of multifiber boundling formation
Fine unit 1, the fiber optic bundle and the fibre ribbon in embodiment one forming method and number of matches it is identical, actually using
In, any one or two fiber units 1 can be pushed aside, other fiber units 1 remain unaffected.
Specifically, the tearing port 4 is V-groove, the center phase of the slot bottom of the V-groove and the fiber unit 1
It is right, after tearing along the V-groove, the fiber unit 1 can just be exposed.
Specifically, the reinforcer 3 is metal reinforcement or non-metal reinforcement member, and the metal reinforcement is mainly steel
Silk, the tensile strength of the metal reinforcement is higher, and the non-metal reinforcement member is FRP bar, and the FRP bar quality is lighter, can
Different reinforcers 3 is used according to the actual situation.
It specifically, further include messenger wire 6, the messenger wire 6 is integrally formed with the oversheath 2, is provided with and is hung in the messenger wire 6
Line steel wire 5, the messenger wire steel wire 5 are the steel strand wires that more steel wires are twisted, and more steel wires twist together the steel to be formed and twist
Line is weighed, and ability is stronger, and the aerial laying for facilitating optical cable is arranged in the messenger wire 6 of self-bearing type, reduces aerial density, reduces fiber cable laying
Cost and labor intensity improve fiber cable laying efficiency.
Specifically, oversheath 2 and messenger wire 6 are made of halogen-free low-smoke flame retardant material, the low-smoke halogen-free flame-retardant sheath, resist
Ultraviolet light, waterproof is mould proof, resisting environmental stress and cracking；And no acidic gas release, does not corrode calculator room equipment, is suitble to high fire-retardance etc.
The indoor environment (wiring, surface wiring in such as ceiling) of grade uses.
Embodiment described above is only preferred embodiments for fully illustrating the utility model, the utility model
Protection scope it is without being limited thereto.Those skilled in the art made equivalent substitute or change on the basis of the utility model
It changes, both is within the protection scope of the present invention.The protection scope of the utility model is subject to claims.
Claims (9)
1. a kind of multiple-unit butterfly leading in cable, which is characterized in that including at least two fiber units, the fiber unit outsourcing
Be covered with oversheath, the fiber unit is arranged in parallel along the long axis direction of the oversheath, fiber unit described in any two it
Between be provided with reinforcer, the reinforcer is arranged on two fiber unit center lines, the reinforcer and the optical fiber
Unit is arranged in parallel, along the oversheath short-axis direction, be provided with and tear on the oversheath of each fiber unit two sides
Breach.
2. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that the fiber unit include one with or
More bulk optical fiber.
3. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that the fiber unit includes at least one set
Fibre ribbon, the fibre ribbon are arranged along the long axis direction of oversheath.
4. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that the fiber unit includes multifiber
The fiber optic bundle that boundling is formed.
5. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that the tearing port is V-groove, described
The slot bottom of V-groove is opposite with the center of the fiber unit.
6. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that the reinforcer be metal reinforcement or
Non-metal reinforcement member.
7. multiple-unit butterfly leading in cable as described in claim 1, which is characterized in that it further include messenger wire, the messenger wire and institute
Oversheath integrated molding is stated, is provided with messenger wire steel wire in the messenger wire.
8. butterfly leading in cable as claimed in claim 7, which is characterized in that the oversheath and messenger wire are hindered by low smoke and zero halogen
Combustible material is made.
9. butterfly leading in cable as claimed in claim 7, which is characterized in that the messenger wire steel wire be more finer wires it is twisted and
At steel wire.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061391.6U CN209373203U (en) | 2019-01-14 | 2019-01-14 | Multiple-unit butterfly leading in cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920061391.6U CN209373203U (en) | 2019-01-14 | 2019-01-14 | Multiple-unit butterfly leading in cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209373203U true CN209373203U (en) | 2019-09-10 |
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ID=67825682
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920061391.6U Active CN209373203U (en) | 2019-01-14 | 2019-01-14 | Multiple-unit butterfly leading in cable |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650704A (en) * | 2020-04-29 | 2020-09-11 | 成都亨通光通信有限公司 | Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof |
| CN117270132A (en) * | 2023-11-21 | 2023-12-22 | 江苏中天科技股份有限公司 | Butterfly-shaped optical cable |
| CN117666053A (en) * | 2024-01-29 | 2024-03-08 | 江苏中天科技股份有限公司 | Anti-twisting multifunctional low-attenuation butterfly-shaped optical cable |
-
2019
- 2019-01-14 CN CN201920061391.6U patent/CN209373203U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111650704A (en) * | 2020-04-29 | 2020-09-11 | 成都亨通光通信有限公司 | Indoor and outdoor four-core butterfly-shaped optical cable and process flow thereof |
| CN117270132A (en) * | 2023-11-21 | 2023-12-22 | 江苏中天科技股份有限公司 | Butterfly-shaped optical cable |
| CN117270132B (en) * | 2023-11-21 | 2024-05-03 | 江苏中天科技股份有限公司 | Butterfly-shaped optical cable |
| CN117666053A (en) * | 2024-01-29 | 2024-03-08 | 江苏中天科技股份有限公司 | Anti-twisting multifunctional low-attenuation butterfly-shaped optical cable |
| CN117666053B (en) * | 2024-01-29 | 2024-04-26 | 江苏中天科技股份有限公司 | Anti-twisting multifunctional low-attenuation butterfly-shaped optical cable |
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