CN104536104B - Optical cable quick coupling box - Google Patents
Optical cable quick coupling box Download PDFInfo
- Publication number
- CN104536104B CN104536104B CN201410673403.2A CN201410673403A CN104536104B CN 104536104 B CN104536104 B CN 104536104B CN 201410673403 A CN201410673403 A CN 201410673403A CN 104536104 B CN104536104 B CN 104536104B
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- Prior art keywords
- optical fiber
- fine plate
- cutting knife
- sliding cutting
- plate
- 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.)
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- 230000003287 optical effect Effects 0.000 title claims abstract description 29
- 230000008878 coupling Effects 0.000 title claims abstract description 13
- 238000010168 coupling process Methods 0.000 title claims abstract description 13
- 238000005859 coupling reaction Methods 0.000 title claims abstract description 13
- 239000013307 optical fiber Substances 0.000 claims abstract description 74
- 238000003032 molecular docking Methods 0.000 claims abstract description 13
- 238000005520 cutting process Methods 0.000 claims description 46
- 238000003825 pressing Methods 0.000 claims description 17
- 239000012530 fluid Substances 0.000 claims description 10
- 238000003780 insertion Methods 0.000 claims description 9
- 230000037431 insertion Effects 0.000 claims description 9
- 239000000919 ceramic Substances 0.000 claims description 7
- 230000000694 effects Effects 0.000 claims description 5
- 238000005728 strengthening Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 claims description 2
- 238000003466 welding Methods 0.000 abstract description 12
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000007423 decrease Effects 0.000 abstract description 2
- 239000000835 fiber Substances 0.000 description 16
- 238000000034 method Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
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
- G02B6/4439—Auxiliary devices
- G02B6/444—Systems or boxes with surplus lengths
- G02B6/4453—Cassettes
- G02B6/4454—Cassettes with splices
-
- 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
- G02B6/24—Coupling light guides
- G02B6/36—Mechanical coupling means
- G02B6/38—Mechanical coupling means having fibre to fibre mating means
- G02B6/3807—Dismountable connectors, i.e. comprising plugs
- G02B6/3898—Tools, e.g. handheld; Tuning wrenches; Jigs used with connectors, e.g. for extracting, removing or inserting in a panel, for engaging or coupling connectors, for assembling or disassembling components within the connector, for applying clips to hold two connectors together or for crimping
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Mechanical Coupling Of Light Guides (AREA)
Abstract
The invention belongs to cable splice closure technical fields, and in particular to it is a kind of can simultaneously cold joint multifiber connector box；It is an object of the invention to provide a kind of connecting time is short, can cold joint multifiber simultaneously, the low cable splice closure of welding expense；Used specific technical solution is：Optical cable quick coupling box including optical fiber terminal pad, is movably installed in optical fiber terminal pad to fine plate, and the both ends of fine plate are movably installed with docking facilities, and optical fiber can be fixed and can cut off neat optical-fiber-connector end by docking facilities；Inventive joint box uses improved cold joint technology, and connecting time is short, can foreshorten to connecting time within 15 points of kinds, since the time continued shortens, labour cost also just accordingly substantially reduces, and can be reduced to normal fees less than half, and the cost of cable connection also just accordingly decreases.
Description
Technical field
The invention belongs to cable splice closure technical fields, and in particular to it is a kind of can simultaneously cold joint multifiber connector box.
Background technology
Existing cable splice closure nearly all carries out fibre junction using thermal welding, although loss is low, effect stability,
There are some shortcomings：When take it is long, be required under normal circumstances 2 it is small when or so；Second is that it is strongly professional, belong to precision thin
The work of cause, technology to operating personnel and qualification requirement are higher, thus also just influenced by human factor it is big, in reality
In the construction of border, also really poor ginseng is uneven for the quality of welding, and compliance rate is not very high；Third, during welding in the wild to external environment and
Weather conditions requirement is high, and the quality and progress of welding all can largely be influenced be subject to weather；Fourth, it needs to take during welding
A whole set of machine such as band heat sealing machine, cutter, it is not convenient enough；Fifth, the cost to continue is higher；Sixth, ordinary optical cable connector box
Connecting time is long, of high cost, execution conditions are more harsh, in many situations, such as rush repair, temporary cable, optical cable branch
It can not be applicable in well under the occasions such as line, terminal.
So in many situations, for example optical cable used in optical cable emergency first-aid repair and temporary project continues, thermal welding
Connector box is really inconvenient, it is impossible to well adapt to live reality, it is difficult to bring some to engineering.
The content of the invention
The present invention overcomes the shortcomings of the prior art, it is desirable to provide a kind of connecting time is short, can simultaneously more light of cold joint
Fibre, the low cable splice closure of welding expense.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention is：Optical cable quick coupling box connects including optical fiber
Disk is connect, is movably installed in the optical fiber terminal pad to fine plate, the both ends to fine plate are movably installed with docking facilities, right
Optical fiber can be fixed and can cut off neat optical-fiber-connector end by connection device.
Docking facilities include wearing fine plate and the fine plate of pressure, and fine plate is pressed to be arranged on and wears fine plate and between fine plate, it is described wear fine plate,
The fine plate of pressure and to being provided with wire hole on fine plate, wire hole are through hole, and the wire hole quantity on three blocks of plates is identical, and on three blocks of plates
Corresponding wire hole is arranged concentrically, and described wear is both provided with pressing device on fine plate and the fine plate of pressure, and the pressing device can incite somebody to action
It is compressed through the optical fiber for wearing wire hole on fine plate and the fine plate of pressure.
Also is provided with sliding cutting knife track in the optical fiber terminal pad, the sliding cutting knife track be arranged on wear fine plate and the fine plate of pressure it
Between, sliding cutting knife is installed in sliding cutting knife track, sliding cutting knife can be moved back and forth in sliding cutting knife track and will be connected to wear fine plate and
Fiber cut between the fine plate of pressure；
Optical fiber matching fluid is filled in the wire hole on fine plate.
Optical cable is penetrated into docking facilities, optical cable will peel off sheath in advance, without by the outer protective sleeve of optical fiber and painting
Coating is peelled off, and every optical fiber is separated successively, after optical fiber passes through the wire hole worn in fine plate and the fine plate of pressure, is then started and is worn
Pressing device on fine plate and the fine plate of pressure, pressing device compress optical fiber, press the manipulation button of sliding cutting knife, sliding cutting knife is in sliding cutting
Knife move in tracks and by fiber cut, after cutting off optical fiber, the cut-off part of optical fiber leaves neat section.It then will the fine plate of pressure
It removes, and its end is inserted into the wire hole to fine plate by multifiber in order, then proceed to inwardly push away, until wearing fibre
Plate and to it is fine it is hardened share based on.Then the docking facilities of both sides to fibre is hardened with being combined, and the optical fiber of both sides is to fine plate
Interior docking, and by being arranged on to the optical fiber matching fluid cold joint in fine plate wire hole.
Wherein, the pressing device includes button and pressing plate, by pushing a button to the up and down motion of control pressing plate, works as pressure
During lower platen, pressing plate compresses optical fiber, and when presser device moves downward, pressing plate can compress optical fiber.
Wherein, the generally trapezoidal sliding cutting knife of the sliding cutting knife, the bottom of sliding cutting knife are mounted in sliding cutting knife track, sliding cutting
The top of knife is the edge of a knife obliquely, and sliding cutting knife is short in one end away from optical fiber close to one end of optical fiber, and sliding cutting knife is close to optical fiber
One end for free end, one end away from pipeline is connected by spring with optical fiber terminal pad, and sliding cutting knife is short close to one end of optical fiber
In being connected to the optical fiber worn between fine plate and pressure fibre plate, one end away from optical fiber is worn between fine plate and pressure fibre plate higher than being connected to
Optical fiber.After optical fiber is cut off by sliding cutting knife, very smooth fiber end face can be cut into, with typical circular cutter and cutting pen
It compares, cut quality has very big raising or even has the effect after approximate grind.
Wherein, the diameter of the Rong Zhikong to being provided with spheroidal in the middle part of wire hole in fine plate, Rong Zhikong, which are more than, wears fibre
The internal diameter in hole, wherein, optical fiber matching fluid is filled in Rong Zhikong, and using the principle of capillarity, matching fluid is firmly locked
In Rong Zhikong, it can solve the problems, such as that matching fluid is lost in.
Wherein, optical cable strengthening core fixator, the optical cable strengthening core fixator are mounted on the outside of the docking facilities
On be provided with the through cables hole that current supply cable passes through, after cable passes through cable aperture, play the role of further fixed.
Wherein, the wire hole in fine loading board is set with ceramic insertion core, and ceramic dimensional stability to heating in house is small, whether winter also
It it is summer, the internal diameter variation of ceramic insertion core is small, and the optical fiber that be inserted will not be caused to damage.
The present invention has the advantages that compared with prior art.
First, inventive joint box uses improved cold joint technology, and connecting time is short, can connecting time be foreshortened to 15
Point kind within, since time for continuing shortens, labour cost also just accordingly substantially reduces, can be reduced to the half of normal fees with
Under, the cost of cable connection also just accordingly decreases.
2nd, very simple and convenient using wiring of the present invention, the instrument used in cable connection is also few, is connect without heat molten
It picks, cutter, a large amount of instruments such as wire stripper, only with a small amount of such as cable cutter, screwdriver.
3rd, it is simple to operate, special technical staff is not required to operate, common construction personnel is with reference to the step of specification
Suddenly can complete to operate.
Description of the drawings
The present invention will be further described in detail below in conjunction with the accompanying drawings.
Fig. 1 is the structural diagram of the present invention.
Fig. 2 is the schematic view of the mounting position of each component in Fig. 1.
Fig. 3 is the attachment structure schematic diagram of two optical cables.
Fig. 4 is the scheme of installation of sliding cutting knife in Fig. 1.
Fig. 5 is passed through for optical fiber to the attachment structure schematic diagram after wire hole in fine plate.
In figure：1 is optical fiber terminal pad, and 2 be docking facilities, and 3 is, to fine plate, 4 is wear fine plate, and 5 is press fine plate, and 6 be to wear fibre
Hole, 7 be pressing device, and 8 be optical fiber, and 9 be sliding cutting knife track, and 10 be sliding cutting knife, and 11 be Rong Zhikong, and 12 buttons, 13 add for optical cable
Strong core fixator, 14 be through cables hole, and 15 be ceramic insertion core, and 16 be spring.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail, and attached drawing is simplified schematic diagram, only with signal side
Formula illustrates the basic structure of the present invention, therefore it only shows composition related to the present invention.
As shown in Figs. 1-5, the built-in optical fiber terminal pad 1 for being used for cold joint optical fiber 8 of the present invention, the centre of optical fiber terminal pad 1
It is to fine plate 3, pressure fine plate 5, fiber slide cutter 10 has been symmetrical arranged on the both sides to fine plate 3, has worn fine plate 4.In cable connection
By cable jacket stripping it is good after, optical fiber 8 from Loose tube is exposed, is at this moment carried out no longer as conventional method to optical fiber 8
The stripping of outer protective sleeve and coat, but the insertion out of wire hole 6 that wear fine plate 4 directly by the optical fiber 8 with sheath, until
Insert it is motionless until, after whole optical fiber 8 is waited to be plugged, press wear on fine plate 4 and the fine plate 5 of pressure on tight fine button 12, by the light of insertion
Fibre 8 securely fixes, and after both sides are all plugged, presses 10 ejector button 12 of fiber slide cutter on both sides respectively, sliding cutting knife 10 can be automatic
It is quickly slipped over along sliding cutting knife track 9, cuts off optical fiber 8.Next sliding cutting knife 10 and the fine plate 5 of pressure are taken away from optical fiber terminal pad 1,
At this moment fine plate 4 is worn to fine plate 3 and both sides among being left in terminal pad, then transversely fine plate 4 is worn in both sides by track
It is slowly promoted to center, makes the optical fiber cut 8 while into centre in the wire hole 6 on fine 3 both sides of plate, being further continued for inwardly pushing away,
Until wearing fine plate 4 and fine plate 3 be combined with（Therebetween axial clinging force is equipped with, to ensure the pressure of two optical fiber, 8 end face
Power）, at this moment, the end face of two optical fiber 8 can be docked in the close centre to fine 3 ceramic insertion core 15 of plate, continuing just inside optical fiber 8
It completes.
Although method that the method that optical fiber 8 continues used by above-mentioned optical cable quick coupling box falls within cold joint, but with biography
The cold joint method applied to FTTH of system is compared, and is had very big difference, is mainly reflected in the following：
Traditional cold joint method, come what is operated, is single slot position, this cold joint method is one substantially for a pair of of optical fiber 8
Secondary property operates all optical fiber 8 of two optical cables, and generally all between -48 core of 12 core, 8 quantity of optical fiber of single operation is more, optical cable
Connecting time is short.
Traditional cold joint method needs to remove the oversheath of optical fiber 8 and coat, removes into naked fibre, this cold joint method eliminates
This link, has not only been saved the time, but also eliminates the possibility that naked fibre is easily broken off in operation, this advantage is especially
It is that thermal welding is incomparable.
Connector box carries out sliding cutting to the cutting of optical fiber 8 using trapezoidal blade is specifically designed to, when pressing sliding cutting button 12
Button, brute spring 16 comes out sliding cutting knife 10 along the orbit shot of lower section, and sliding cutting knife 10 will be quickly under the good row's optical fiber 8 of cloth
Side slips over, and optical fiber 8 is just cut disconnected.This method can be cut into very smooth 8 end face of optical fiber, with typical circular cutter with
And cutting pen is compared, cut quality has very big raising or even has the effect after approximate grind.
Special small match play is designed in the ceramic insertion core 15 of the present invention at two 8 end face docking of optical fiber, that is, holds matter hole 11,
Matching fluid is filled with herein, the advantage of doing so is that can solve the problems, such as that matching fluid is lost in, principle is further to strengthen
Capillarity, including matching fluid is firmly locked.
By above technical finesse, the insertion loss that optical fiber 8 continues can be reduced within 0.1dB, be similar to heat
The effect of welding.
Finally, 1 entirety of optical fiber terminal pad is implanted into cable splice closure common at present just into the fast quick access of optical cable
Head cartridge, traditional methods still useless such as the penetrating and fix of optical cable, the fixation of connector box and sealing.Simply it is substituted inside it
Structure.Quick coupling box is hat type shape, it can be equally designed to horizontal or other shapes.
The connecting time of the present invention is short, and conventional connector box is continued using thermal welding, takes left about when 2 is small
The right side, connector box of the present invention use improved cold joint technology, can foreshorten to connecting time within 15 points of kinds.
It continues at low cost, with having Conventional splice closures cable connection in addition to the expense of connector box, welding expense is about in every core
30 yuan or so, by taking 24 cores as an example, chieftain's induding material and tailoring about needs 1000 ~ 1300 yuan.With connector box of the present invention come into
Row cable connection, be basically fee of material in itself, labour cost substantially reduces, the expense of chieftain's induding material and tailoring about 300 ~
700 yuan or so, more than 50% can be reduced.
The present invention is simple to operate, and special technical staff is not required to operate, and common construction personnel is with reference to specification
The step of can complete to operate.
The present invention can be used for continuing for optical cable repairing, the continuing of temporary project optical cable, branch cable and terminal optic cable, this
It is that ordinary couplings box is incomparable under a little occasions.
The embodiment of the present invention is explained in detail above in conjunction with attached drawing, but the present invention is not limited to above-mentioned implementations
Example, within the knowledge of a person skilled in the art, can also do on the premise of present inventive concept is not departed from
Go out various change.
Claims (6)
1. optical cable quick coupling box, which is characterized in that including optical fiber terminal pad（1）, the optical fiber terminal pad（1）Upper activity installation
Have to fine plate（3）, it is described to fine plate（3）Both ends be movably installed with docking facilities（2）；
Docking facilities（2）Including wearing fine plate（4）With the fine plate of pressure（5）, press fine plate（5）It is arranged on and wears fine plate（4）With to fine plate（3）It
Between, it is described to wear fine plate（4）, the fine plate of pressure（5）With to fine plate（3）On be provided with wire hole（6）, wire hole（6）For through hole, three blocks of plates
On wire hole（6）Quantity is identical, and corresponding wire hole on three blocks of plates（6）It is arranged concentrically, it is described to wear fine plate（4）It is fine with pressure
Plate（5）On be both provided with pressing device（7）, the pressing device（7）It can will be interspersed in fine plate（4）With the fine plate of pressure（5）Between
Optical fiber（8）It compresses；
The optical fiber terminal pad（1）On be also provided with sliding cutting knife track（9）, the sliding cutting knife track（9）It is arranged on and wears fine plate（4）With
The fine plate of pressure（5）Between, sliding cutting knife track（9）Sliding cutting knife is inside installed（10）, sliding cutting knife（10）It can be in sliding cutting knife track（9）It is interior past
It moves and will be connected to again and wear fine plate（4）With the fine plate of pressure（5）Between optical fiber（8）Cut-out；
It is described to fine plate（3）On wire hole（6）It is interior to be filled with optical fiber matching fluid.
2. optical cable quick coupling box according to claim 1, which is characterized in that the pressing device（7）Including button
（12）And pressing plate, button（12）The up and down motion of controllable pressing plate, when presser device moves downward, pressing plate can be by optical fiber（8）
It compresses.
3. optical cable quick coupling box according to claim 2, which is characterized in that the sliding cutting knife（10）It is generally trapezoidal
Sliding cutting knife（10）, sliding cutting knife（10）Bottom be mounted on sliding cutting knife track（9）It is interior；
Sliding cutting knife（10）Top be the edge of a knife obliquely, sliding cutting knife（10）Close to optical fiber（8）One end it is short in away from optical fiber（8）
One end；
Sliding cutting knife（10）Close to optical fiber（8）One end for free end, one end away from pipeline passes through spring（16）It is connected with optical fiber
Disk（1）It is connected；
Sliding cutting knife（10）Close to optical fiber（8）One end short wear fine plate in being connected to（4）With the fine plate of pressure（5）Between optical fiber（8）, far
From optical fiber（8）One end wear fine plate higher than being connected to（4）With the fine plate of pressure（5）Between optical fiber（8）.
4. optical cable quick coupling box according to claim 3, which is characterized in that described to fine plate（3）Interior wire hole（6）'s
Middle part is provided with the Rong Zhikong of spheroidal（11）, Rong Zhikong（11）Diameter be more than wire hole（6）Internal diameter, wherein, the optical fiber
（8）Matching fluid is filled in Rong Zhikong（11）It is interior.
5. optical cable quick coupling box according to claim 4, which is characterized in that the docking facilities（2）Outside pacify
Equipped with optical cable strengthening core fixator（13）, the optical cable strengthening core fixator（13）On be provided with through cables hole（14）.
6. optical cable quick coupling box according to claim 5, which is characterized in that the wire hole in fine plate（6）Set
Equipped with ceramic insertion core（15）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673403.2A CN104536104B (en) | 2014-11-24 | 2014-11-24 | Optical cable quick coupling box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410673403.2A CN104536104B (en) | 2014-11-24 | 2014-11-24 | Optical cable quick coupling box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104536104A CN104536104A (en) | 2015-04-22 |
| CN104536104B true CN104536104B (en) | 2018-05-29 |
Family
ID=52851661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410673403.2A Active CN104536104B (en) | 2014-11-24 | 2014-11-24 | Optical cable quick coupling box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104536104B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111579214B (en) * | 2020-05-28 | 2021-03-23 | 长飞光纤光缆股份有限公司 | Automatic space coupling optical fiber matching fluid dipping device |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004020702A (en) * | 2002-06-13 | 2004-01-22 | Sumitomo Electric Ind Ltd | Optical cable junction box |
| JP2004094053A (en) * | 2002-09-02 | 2004-03-25 | Furukawa Electric Co Ltd:The | Optical fiber core wire excessive length storing member and optical cable connecting member |
| CN201576111U (en) * | 2009-06-04 | 2010-09-08 | 江苏宇特光电科技有限公司 | Optical fiber cold junction terminal |
| JP4637000B2 (en) * | 2005-10-28 | 2011-02-23 | 日本通信電材株式会社 | Optical cable connection closure |
| CN202025108U (en) * | 2011-01-11 | 2011-11-02 | 东莞市中天光纤设备科技有限公司 | Fast joint for optical fibers |
| CN102841414A (en) * | 2011-06-23 | 2012-12-26 | 东莞市中天光纤设备科技有限公司 | Non-thermal melting optical fiber cable splice closure |
| CN203773120U (en) * | 2014-04-25 | 2014-08-13 | 浙江超前通信设备有限公司 | Cap type cable joint box |
| CN103995327A (en) * | 2014-01-10 | 2014-08-20 | 杭州华宏通信设备有限公司 | Optical cable splice box |
| CN204331101U (en) * | 2014-11-24 | 2015-05-13 | 国家电网公司 | A kind of optical cable rapid-acting coupling box |
-
2014
- 2014-11-24 CN CN201410673403.2A patent/CN104536104B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004020702A (en) * | 2002-06-13 | 2004-01-22 | Sumitomo Electric Ind Ltd | Optical cable junction box |
| JP2004094053A (en) * | 2002-09-02 | 2004-03-25 | Furukawa Electric Co Ltd:The | Optical fiber core wire excessive length storing member and optical cable connecting member |
| JP4637000B2 (en) * | 2005-10-28 | 2011-02-23 | 日本通信電材株式会社 | Optical cable connection closure |
| CN201576111U (en) * | 2009-06-04 | 2010-09-08 | 江苏宇特光电科技有限公司 | Optical fiber cold junction terminal |
| CN202025108U (en) * | 2011-01-11 | 2011-11-02 | 东莞市中天光纤设备科技有限公司 | Fast joint for optical fibers |
| CN102841414A (en) * | 2011-06-23 | 2012-12-26 | 东莞市中天光纤设备科技有限公司 | Non-thermal melting optical fiber cable splice closure |
| CN103995327A (en) * | 2014-01-10 | 2014-08-20 | 杭州华宏通信设备有限公司 | Optical cable splice box |
| CN203773120U (en) * | 2014-04-25 | 2014-08-13 | 浙江超前通信设备有限公司 | Cap type cable joint box |
| CN204331101U (en) * | 2014-11-24 | 2015-05-13 | 国家电网公司 | A kind of optical cable rapid-acting coupling box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104536104A (en) | 2015-04-22 |
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