CN104133276A - Cylindrical optical-cable fiber distribution box - Google Patents
Cylindrical optical-cable fiber distribution box Download PDFInfo
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- CN104133276A CN104133276A CN201410318707.7A CN201410318707A CN104133276A CN 104133276 A CN104133276 A CN 104133276A CN 201410318707 A CN201410318707 A CN 201410318707A CN 104133276 A CN104133276 A CN 104133276A
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Abstract
The invention relates to a cylindrical optical-cable fiber distribution box which is designed to solve technical problems that it is comparatively difficult to apply the prior same kind of optical-cable fiber distribution boxes to installation in a shaftway, core capacity is limited and optical-cable wiring method lacks diversity. A box cylinder of the optical-cable fiber distribution box sleeves the internal part of a ring recess which is limited on a ring seat and a connection position is provided with a seal ring and a beam clamp. Key points of the optical-cable fiber distribution box are that the ring seat in the box cylinder is provided with a plate rack; one side face of the plate rack is provided with an optical-fiber adapter which is fixed on the plate rack through an adapter support and the other side face of the plate rack is provided with a fusion splice protector; an installation groove of the plate rack is provided with an optical divider; the plate rack is connected with the ring seat through a plate seat; a gap space is formed between the plate seat and the ring seat; a plate groove of the plate rack, from the plate seat side at the bottom to the top part of the plate groove, is sequentially provided with an installation groove, winding slot wholes, winding hook columns, and a wire hole; the top part of the plate groove of the plate rack is also provided with the winding slot holes and the winding hook columns, which are arrayed in a circular manner; and end corners at one side of the fusion splice protector are in hinging connection and snap joint with welding seats. The cylindrical optical-cable fiber distribution box is suitable for being used as an optical-cable fiber distribution box in a vertical shaftway.
Description
Technical field
The present invention relates to optical cable fiber-dividing box, is a kind of cartridge type optical cable fiber-dividing box.
Background technology
Optical cable fiber-dividing box, or claim optical cable branch box, be a kind of by the distribution separated time equipment of user terminal in FTTH system, can realize the functions such as welding, distribution and scheduling of optical fiber.Wherein, some these type of optical cable fiber-dividing boxes generally dispose optical branching device, fiber reel, fiber adapter, the optical cable of access casing is by unified branch and management, and store Wei Xian ﹑ fiber reel, guarantee that fiber bending radius is not less than 30mm, each does not interfere with each other the turnover of the optical fiber ﹑ of Guang Lan ﹑ branch optical branching device tail optical fiber, jumping fiber from solely vertical ﹑.And this type of optical cable fiber-dividing box walk fine circuit, fiber reel, fiber adapter design, and the installation site of each parts directly affects the succinct, clear, orderly of the rationalization of wiring and circuit.Meanwhile, more existing cable splice closures are applied to the construction and installation places such as hoistway, as the application number 201210324743.5 disclosing in Chinese patent literature, and Shen Qing Publication day 2012.12.25, denomination of invention " vertical hoistway cable splice closure "; This cable splice closure comprises lid, optical fiber memory disc, optical fiber distribution plate, dish seat, bracket, anchor ear, O-ring seal, base, its main points are that one end of described optical fiber distribution plate and one end hinged seat of optical fiber memory disc are hinged, optical fiber memory disc is " L " font, optical fiber distribution plate is stepped appearance to base direction arranged askew, and the hinged seat of optical fiber distribution plate and optical fiber memory disc pin joint is stepped appearance; The dish of optical fiber distribution plate buckle and disk body between difference in height equal the gradient difference in height between optical fiber distribution plate, this difference in height equals the opening catching groove gradient difference in height of optical fiber memory disc hinged seat.But the structure applications of above-mentioned like product is less in existing optical cable fiber-dividing box; And there is the more difficult installation for hoistway in existing similar optical cable fiber-dividing box product, the fusion joining disk of installation and tail optical fiber limited amount, Wiring structure during vertical installation in box body designs the problems such as not good enough.
Summary of the invention
For overcoming above-mentioned deficiency, the object of the invention is to provide to this area that a kind of core capacity is large, good airproof performance, be applied to the cartridge type optical cable fiber-dividing box of the vertical installation of hoistway, make it solve the more difficult installation being applied in hoistway of existing similar optical cable fiber-dividing box, and core finite capacity and the single technical matters of the optical cable mode of connection.Its objective is and be achieved through the following technical solutions.
A kind of cartridge type optical cable fiber-dividing box, the case jacket casing of this optical cable fiber-dividing box enters to be limited in the ring recess of ring support, the junction of case cylinder and ring support is provided with O-ring seal and anchor ear, ring support is provided with entrance hole and wire hole, the bottom of ring support is provided with bracket, the frame borehole jack of bracket enters to be fixed on the entrance hole of ring support, and bracket and ring support are connected as a single entity; Its structural design main points are that the ring support in described case cylinder is provided with plate rail, and a side of plate rail is provided with fiber adapter, and fiber adapter is fixed on plate rail by adapter stent, and the another side of plate rail is provided with fusion joining disk, and the mounting groove of plate rail is provided with optical branching device.Optical branching device is for the separated time of optical cable, and the optical cable after separated time is installed on the tail optical fiber in adapter by plate rail, and the optical cable that enters this optical cable branch box also can be directly dock after fixing and picked out this optical cable fiber-dividing device by fusion joining disk, or incoming fiber optic adapter and optical branching device.Meanwhile, because this optical cable fiber-dividing device adopts tubular vertical structure, thereby be convenient to installation and the use of this optical cable fiber-dividing box under the environment such as hoistway.
Described plate rail is connected with ring support by dish seat, dish seat is square framework, Wei Kuang hole, Pan Zuo center, the end angle of dish seat is respectively equipped with the outward extending leg of " * " font, the leg of dish seat is connected with the bearing of ring recess internal diameter on ring support, bearing be " * " font corresponding to leg arranged, and bearing is " L " font.Thereby between dish seat and ring support, form clearance space, bearing makes the entrance hole of ring support and the impact that wire hole is not subject to dish seat; Meanwhile, frame hole turnover fusion joining disk, plate rail, fiber adapter and the optical branching device of logical cable-through hole, wire hole and dish seat of optical cable.
The fusion joining disk side of described plate rail is provided with dish groove, dish groove is provided with mounting groove, coiling slotted eye, coiling hook post, line hole by the dish seat side of bottom successively to coiling groove top, " L " font hook end of described coiling hook post stretches to fusion joining disk side, and be positioned at dish groove, coiling slotted eye is arranged at the coiling hook post side edge of mounting groove, in coiling slotted eye, is provided with the hollow out muscle post that is " T " font; The plate rail external diameter of fusion joining disk side is arranged with thermwelding base, a side angle of fusion joining disk and the hinged fastening of thermwelding base, and the dish groove inner side edge in coiling hook post and line hole is along being arranged with limit rib post.Optical cable separates by the optical branching device on plate rail, and after separating, also logical cable-through hole extend out to fiber adapter, finally after the tail optical fiber docking of fiber adapter, from the wire hole of ring support, picks out; Meanwhile, part optical cable is by being fixed on the welded module of fusion joining disk after optical fiber heat-shrink tube docking, by fusion joining disk being fastened in fusion joining disk of hook post, limit rib post that wind the line, or is clamped and fastened on coiling slotted eye.
The dish groove top of described plate rail is also provided with the described coiling slotted eye of circular arrangement, described coiling hook post, and described coiling hook post circle is around being arranged in rounded coiling slotted eye surrounding of arranging.Thereby the optical cable separating by optical branching device is further wound in the coiling hook post of circular arrangement, increased the length of coiling in plate rail, the coiling slotted eye of circular arrangement is convenient to the further heat radiation in plate rail.
The thermwelding base of described plate rail is provided with the hinged fastening slotted eye that staged is arranged, and the thermwelding base end dual-side internal diameter of fusion joining disk is provided with symmetrical between two position-limited edge button.Thereby be convenient to fusion joining disk more than two, by thermwelding base, be installed on plate rail, and it is spacing by position-limited edge button, to make to draw the fusion joining disk superposeing in, is independent of each other mutually; Meanwhile, the position-limited edge button of fusion joining disk also can be used for optical cable and fixes and be wound around at disk body edge inwall.
Another side angle external diameter of described fusion joining disk is arranged with clasp, fusion joining disk fastens by clasp and plate rail, the top sides of this side fusion joining disk is arranged with coiling limit button along two ends, edge between the button of coiling limit laterally arc arches upward, this arc-shaped side is provided with clamp limit button along inner side, coiling limit button is provided with the clamp muscle post that is " T " font; The thermwelding base side of fusion joining disk is along being also provided with described coiling limit button, described arc-shaped side edge and described clamp limit button, in the middle of in the disk body of fusion joining disk, be provided with welded module, in the disk body of welded module both sides, be arranged with the wrapping post of arc, wrapping post is symmetrical arranged along being mirror image with the arc-shaped side of upper and lower dual-side respectively, is respectively equipped with clamp post between wrapping post and welded module.The clasp of above-mentioned fusion joining disk is convenient to connect up and open while installing in plate rail, and fusion joining disk is fixed on plate rail; And coiling limit button, clamp limit button, wrapping post, clamp post in fusion joining disk is convenient to the winding of optical cable in fusion joining disk and fixing, thereby make cabling clearer, orderly.
The arched ribs two ends outer side edges of described wrapping post is along being respectively equipped with banking stop, and clamp post is respectively equipped with described banking stop, i.e. triangular in shape the arranging of banking stop of a side wrapping post and clamp post, and described banking stop is "+" font.The banking stop at wrapping post and clamp post place is further spacing and fixing for this place's cabling, thereby it is at random that optical cable is difficult at this place.
Described bracket is connected with the two ends of cranse by hoop seat, and cranse is " U " font, and hoop seat is U-shaped channel-section steel, and the cranse side channel mouth edge of hoop seat is provided with arc-shaped side groove.By cranse, be convenient to this optical cable fiber-dividing box and be fixed on the pipeline external diameter in hoistway, thereby be further convenient to the installation of this optical cable fiber-dividing box in hoistway.
One side of described anchor ear is provided with hinge position, and the opposite side of hinge position symmetry is provided with snap close.By the fixing anchor ear of snap close mode, make opening with easier for installation, quick of case cylinder.
The module of described fiber adapter is 5 * 9 arranges, and two ends are respectively equipped with the module of an arrangement and three arrangements, and a module at top is longitudinally arranges.This structure is the arrangement mode of module in a kind of fiber adapter, makes the core capacity of this optical cable fiber-dividing box larger.
Reasonable in design of the present invention, use, easy for installation, rationally, core capacity is larger, good airproof performance, long service life for cabling, wiring; Be suitable as optical cable fiber-dividing box in vertical hoistway and use, ex hoc genus anne the architecture advances of product.
Accompanying drawing explanation
Fig. 1 is perspective view of the present invention.
Fig. 2 is sectional structure schematic diagram of the present invention.
Fig. 3 is case cylinder open mode structural representation one of the present invention, omits optical branching device in figure.
Fig. 4 is case cylinder open mode structural representation two of the present invention, omits optical branching device in figure.
Fig. 5 is part blast structural representation of the present invention, omits optical branching device in figure.
Fig. 6 is the structural representation one that partly explodes in case cylinder of the present invention.
Fig. 7 is the structural representation two that partly explodes in case cylinder of the present invention.
Figure number and title: 1, case cylinder, 2, snap close, 3, anchor ear, 4, ring support, 401, bearing, 5, bracket, 6, hoop seat, 7, cranse, 8, fusion joining disk, 801, coiling limit button, 802, clamp limit button, 803, position-limited edge button, 804, wrapping post, 805, clamp post, 806, clasp, 9, plate rail, 901, mounting groove, 902, thermwelding base, 903, line hole, 904, coiling slotted eye, 905, coiling hook post, 10, fiber adapter, 11, optical branching device, 12, dish seat, 1201, leg, 13, O-ring seal, 14, welded module, 15, banking stop.
Embodiment
Now by reference to the accompanying drawings, structure of the present invention and use are further described.As Fig. 1～Fig. 7, the case cylinder 1 of this optical cable fiber-dividing box is inserted in the ring recess that is limited in ring support 4, and the junction of case cylinder and ring support is provided with O-ring seal 13 and anchor ear 3, and a side of anchor ear 3 is provided with hinge position, and the opposite side of hinge position symmetry is provided with snap close 2.Ring support is provided with entrance hole and wire hole, and the bottom of ring support is provided with bracket 5, and the frame borehole jack of bracket enters to be fixed on the entrance hole of ring support, and bracket and ring support are connected as a single entity; Be that bracket passes through hoop seat 6 and is connected with the two ends of cranse 7, cranse is " U " font, and hoop seat be U-shaped channel-section steel, and the cranse side channel mouth edge binding round is provided with arc-shaped side groove.Ring support in case cylinder is provided with plate rail 9, one side of plate rail is provided with fiber adapter 10, fiber adapter is fixed on plate rail by adapter stent, adapter stent is " L " font, the module of fiber adapter is 5 * 9 and arranges, two ends are respectively equipped with the module of an arrangement and three arrangements, and a module at top is longitudinally arranges; The another side of plate rail is provided with fusion joining disk 8, and the mounting groove 901 of plate rail is provided with optical branching device 11.Its concrete structure is: plate rail is connected with ring support by dish seat, dish seat is square framework, Wei Kuang hole, Pan Zuo center, the end angle of dish seat is respectively equipped with the outward extending leg 1201 of " * " font, the leg of dish seat is connected with the bearing 401 of ring recess internal diameter on ring support, bearing be " * " font corresponding to leg arranged, and bearing is " L " font.The fusion joining disk side of plate rail is provided with dish groove, and dish groove is provided with mounting groove 901, coiling slotted eye 904, coiling hook post 905, line hole 903 by the dish seat side of bottom successively to coiling groove top; Meanwhile, the dish groove top of plate rail is also provided with the described coiling slotted eye of circular arrangement, described coiling hook post, and described coiling hook post circle is around being arranged in rounded coiling slotted eye surrounding of arranging." L " font hook end of above-mentioned coiling hook post stretches to fusion joining disk side, and is positioned at dish groove, and coiling slotted eye is arranged at the coiling hook post side edge of mounting groove, in coiling slotted eye, is provided with the hollow out muscle post that is " T " font; The plate rail external diameter of fusion joining disk side is arranged with thermwelding base 902, and thermwelding base is provided with the hinged fastening slotted eye that staged is arranged.
One side angle of fusion joining disk and the hinged fastening of thermwelding base, the dish groove inner side edge in coiling hook post and line hole is along being arranged with limit rib post; Another side angle external diameter of fusion joining disk is arranged with clasp 806, and fusion joining disk fastens by clasp and plate rail.The top sides of this side fusion joining disk is arranged with coiling limit button 801 along two ends, the edge between the button of coiling limit laterally arc arches upward, and this arc-shaped side is provided with clamp limit button 802 along inner side, and coiling limit button is provided with the clamp muscle post that is " T " font.The thermwelding base side of fusion joining disk is along being also provided with described coiling limit button, described arc-shaped side edge and described clamp limit button, in the middle of in the disk body of fusion joining disk, be provided with welded module 14, in the disk body of welded module both sides, be arranged with the wrapping post 804 of arc, wrapping post is symmetrical arranged along being mirror image with the arc-shaped side of upper and lower dual-side respectively, is respectively equipped with clamp post 805 between wrapping post and welded module.The arched ribs two ends outer side edges of wrapping post is along being respectively equipped with banking stop 15, and clamp post is respectively equipped with described banking stop, i.e. triangular in shape the arranging of banking stop of a side wrapping post and clamp post, and described banking stop is "+" font; The thermwelding base end dual-side internal diameter of fusion joining disk is provided with symmetrical between two position-limited edge button 803.
While using optical branching device, optical cable enters a stripping and fixing after dish seat by oval large entrance hole on ring support, more upwards carries out fused fiber splice to fusion joining disk.After welding completes, by a jumping fiber, skip to the lead-in line joint that connects plate rail glazing shunt behind the frame hole of dish seat again, optical branching device separates multichannel optical cable by an inlet wire optical cable, each road optical cable stretches out the line hole of dish groove after being fastened by the coiling hook post in plate rail, stretching wire hole Ge road optical cable changes by fiber optic adapters in adapter stent again, when user needs, can or be prefabricated into end butterfly optical cable with jumping fiber and export through port corresponding in fiber optic adapters.While not using optical branching device, optical cable enters a stripping and fixing after dish seat by oval large entrance hole on ring support, more upwards carries out fused fiber splice to fusion joining disk.After welding completes, with tail optical fiber or pencil tail optical fiber and fusion joining disk, carry out fused fiber splice, after welding completes, all skip in adapter stent.When user needs signal, with jumping fiber or be prefabricated into end butterfly optical cable and introduce, dock with the adapter that in adapter stent, welding is good.In said structure, unnecessary circuit is fastened in the clamp limit of fusion joining disk button, position-limited edge button, wrapping post, clamp post, and the circuit that picks out fusion joining disk also can be clamped and fastened on the coiling limit button at fusion joining disk edge.
The present invention is in conjunction with existing optical cable fiber-dividing box and single-ended cable splice closure design feature, and its structure has been carried out to corresponding Improvement and perfection, and for outdoor hoistway, built on stilts, pipeline, the environment such as buried, it has high-intensity sealing.SC(FC etc.) plug cord is optical branching device outlet, and optical branching device adopts fixedly cassette splitter or min-size optical splitter, with M3 screw in accessory, through optical branching device, with nut screwing clamping, is fixed; Covered wire cable, by the tail optical fiber outlet of adapter, picks out the wire hole of ring support.The optical cable welding of plate rail and storage area, also can to adopt twelve-core be a Unit Design to the welded module of fusion joining disk, maximum weldable 36 core optical cables.
Claims (10)
1. a cartridge type optical cable fiber-dividing box, the case cylinder (1) of this optical cable fiber-dividing box is inserted in the ring recess that is limited in ring support (4), the junction of case cylinder and ring support is provided with O-ring seal (13) and anchor ear (3), ring support is provided with entrance hole and wire hole, the bottom of ring support is provided with bracket (5), the frame borehole jack of bracket enters to be fixed on the entrance hole of ring support, and bracket and ring support are connected as a single entity; It is characterized in that the ring support (4) in described case cylinder (1) is provided with plate rail (9), one side of plate rail is provided with fiber adapter (10), fiber adapter is fixed on plate rail by adapter stent, the another side of plate rail is provided with fusion joining disk (8), and the mounting groove of plate rail (901) is provided with optical branching device (11).
2. cartridge type optical cable fiber-dividing box according to claim 1, it is characterized in that described plate rail (9) is connected with ring support (4) by dish seat (12), dish seat is square framework, Wei Kuang hole, Pan Zuo center, the end angle of dish seat is respectively equipped with the outward extending leg of " * " font (1201), the leg of dish seat is connected with the bearing (401) of ring recess internal diameter on ring support, and bearing be " * " font corresponding to leg arranged, and bearing is " L " font.
3. cartridge type optical cable fiber-dividing box according to claim 1, its feature is provided with dish groove in fusion joining disk (8) side of described plate rail (9), dish groove is provided with mounting groove (901), coiling slotted eye (904), coiling hook post (905), line hole (903) by dish seat (12) side of bottom successively to coiling groove top, " L " font hook end of described coiling hook post stretches to fusion joining disk side, and be positioned at dish groove, coiling slotted eye is arranged at the coiling hook post side edge of mounting groove, in coiling slotted eye, is provided with the hollow out muscle post that is " T " font; The plate rail external diameter of fusion joining disk side is arranged with thermwelding base (902), a side angle of fusion joining disk and the hinged fastening of thermwelding base, and the dish groove inner side edge in coiling hook post and line hole is along being arranged with limit rib post.
4. cartridge type optical cable fiber-dividing box according to claim 3, it is characterized in that the dish groove top of described plate rail (9) is also provided with the described coiling slotted eye (904) of circular arrangement, described coiling hook post (905), described coiling hook post circle is around being arranged in rounded coiling slotted eye surrounding of arranging.
5. cartridge type optical cable fiber-dividing box according to claim 3, the thermwelding base (902) that it is characterized in that described plate rail (9) is provided with the hinged fastening slotted eye that staged is arranged, and the thermwelding base end dual-side internal diameter of fusion joining disk (8) is provided with symmetrical between two position-limited edge button (803).
6. cartridge type optical cable fiber-dividing box according to claim 3, another side angle external diameter that it is characterized in that described fusion joining disk (8) is arranged with clasp (806), fusion joining disk fastens by clasp and plate rail (9), the top sides of this side fusion joining disk is arranged with coiling limit button (801) along two ends, edge between the button of coiling limit laterally arc arches upward, this arc-shaped side is provided with clamp limit button (802) along inner side, coiling limit button is provided with the clamp muscle post that is " T " font; The thermwelding base of fusion joining disk (902) side is along being also provided with described coiling limit button, described arc-shaped side edge and described clamp limit button, in the middle of in the disk body of fusion joining disk, be provided with welded module (14), in the disk body of welded module both sides, be arranged with the wrapping post (804) of arc, wrapping post is symmetrical arranged along being mirror image with the arc-shaped side of upper and lower dual-side respectively, is respectively equipped with clamp post (805) between wrapping post and welded module.
7. cartridge type optical cable fiber-dividing box according to claim 6, it is characterized in that the arched ribs two ends outer side edges of described wrapping post (804) is along being respectively equipped with banking stop (15), clamp post (805) is respectively equipped with described banking stop, i.e. triangular in shape the arranging of banking stop of a side wrapping post and clamp post, described banking stop is "+" font.
8. cartridge type optical cable fiber-dividing box according to claim 1, is characterized in that described bracket (5) is connected with the two ends of cranse (7) by hoop seat (6), and cranse is " U " font, and hoop seat is U-shaped channel-section steel, and the cranse side channel mouth edge of hoop seat is provided with arc-shaped side groove.
9. cartridge type optical cable fiber-dividing box according to claim 1, is characterized in that a side of described anchor ear (3) is provided with hinge position, and the opposite side of hinge position symmetry is provided with snap close (2).
10. cartridge type optical cable fiber-dividing box according to claim 1, is characterized in that the module of described fiber adapter (10) is 5 * 9 arrangements, and two ends are respectively equipped with the module of an arrangement and three arrangements, and a module at top is longitudinally arranges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201410318707.7A CN104133276B (en) | 2014-07-04 | 2014-07-04 | Cartridge type optical cable fiber-dividing box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410318707.7A CN104133276B (en) | 2014-07-04 | 2014-07-04 | Cartridge type optical cable fiber-dividing box |
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| Publication Number | Publication Date |
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| CN104133276A true CN104133276A (en) | 2014-11-05 |
| CN104133276B CN104133276B (en) | 2016-10-05 |
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| CN201410318707.7A Active CN104133276B (en) | 2014-07-04 | 2014-07-04 | Cartridge type optical cable fiber-dividing box |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104765113A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Double-sealing optical cable joint box base |
| CN104765112A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Double-sealing optical cable joint box |
| CN109471231A (en) * | 2018-12-30 | 2019-03-15 | 长飞光纤光缆股份有限公司 | A kind of connector box for spring-backed quill optical cable |
| CN109655984A (en) * | 2019-02-02 | 2019-04-19 | 中天宽带技术有限公司 | A kind of helixseal formula is used to intersect the cap-type connection box of cable connection |
| CN110824638A (en) * | 2019-11-20 | 2020-02-21 | 杭州昱华科技有限公司 | Novel sealed optical cable divides fine equipment |
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| CN201637902U (en) * | 2010-03-24 | 2010-11-17 | 茹志康 | Light split wiring connection box for optical cable |
| CN102866473A (en) * | 2012-03-22 | 2013-01-09 | 山东箭波通信设备有限公司 | Communication optical fiber branching box |
| CN102841421B (en) * | 2012-09-05 | 2014-04-23 | 宁波余大通信技术有限公司 | Vertical well cable connector box |
| CN203981935U (en) * | 2014-07-04 | 2014-12-03 | 宁波余大通信技术有限公司 | New trunk optical cable fiber-dividing box |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104765113A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Double-sealing optical cable joint box base |
| CN104765112A (en) * | 2014-11-17 | 2015-07-08 | 宁波余大通信技术有限公司 | Double-sealing optical cable joint box |
| CN109471231A (en) * | 2018-12-30 | 2019-03-15 | 长飞光纤光缆股份有限公司 | A kind of connector box for spring-backed quill optical cable |
| CN109471231B (en) * | 2018-12-30 | 2020-12-11 | 长飞光纤光缆股份有限公司 | A splice box for elastic sleeve optical cable |
| CN109655984A (en) * | 2019-02-02 | 2019-04-19 | 中天宽带技术有限公司 | A kind of helixseal formula is used to intersect the cap-type connection box of cable connection |
| CN109655984B (en) * | 2019-02-02 | 2023-09-15 | 中天宽带技术有限公司 | Screw sealing cap type joint box for connecting crossed optical cables |
| CN110824638A (en) * | 2019-11-20 | 2020-02-21 | 杭州昱华科技有限公司 | Novel sealed optical cable divides fine equipment |
| CN110824638B (en) * | 2019-11-20 | 2023-10-17 | 杭州昱华科技有限公司 | Novel sealed optical cable divides fine equipment |
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