WO2016149912A1 - Dispositif d'interconnexion optique pour connecter un câble à deux cœurs et son procédé d'assemblage - Google Patents

Dispositif d'interconnexion optique pour connecter un câble à deux cœurs et son procédé d'assemblage Download PDF

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Publication number
WO2016149912A1
WO2016149912A1 PCT/CN2015/074987 CN2015074987W WO2016149912A1 WO 2016149912 A1 WO2016149912 A1 WO 2016149912A1 CN 2015074987 W CN2015074987 W CN 2015074987W WO 2016149912 A1 WO2016149912 A1 WO 2016149912A1
Authority
WO
WIPO (PCT)
Prior art keywords
base
cavity
slider
fiber
pivot
Prior art date
Application number
PCT/CN2015/074987
Other languages
English (en)
Chinese (zh)
Inventor
丁有翔
陈新军
王七月
周震
Original Assignee
深圳日海通讯技术股份有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 深圳日海通讯技术股份有限公司 filed Critical 深圳日海通讯技术股份有限公司
Priority to PCT/CN2015/074987 priority Critical patent/WO2016149912A1/fr
Publication of WO2016149912A1 publication Critical patent/WO2016149912A1/fr

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
    • G02B6/24—Coupling light guides
    • G02B6/36—Mechanical coupling means
    • G02B6/38—Mechanical coupling means having fibre to fibre mating means

Definitions

  • the present invention relates to an optical interconnect device for splicing a two-core optical cable and an assembly process thereof.
  • CN201280066388.4 discloses a field installable duplex fiber optic connector having a mechanical splice component, the object of which is to provide a field mountable fiber optic connector for terminating a dual fiber optic cable.
  • the technical solution a field installable fiber optic connector for terminating a dual fiber optic cable, the fiber optic connector comprising: a bifurcated housing having spaced apart parallel first stem portions extending from the cable furcation unit and a second trunk portion; wherein the cable branching unit comprises a thread receiving portion and a fiber sheath clamping portion for clamping the cable jacket of the dual fiber cable; the first collar body and the second collar body are respectively disposed on the first trunk a portion and a second trunk portion, wherein each collar body includes a fiber stub disposed in the first end of the collar body, the fiber stub comprising a first end mounted in the sleeve and a short ferrule fiber of the second end, the first end being adjacent to the end surface of the sleeve, wherein each
  • the downsides are: (1) Since the fiber optic connector is used in the factory building, the inside of the pedestal or the FTTH access building branches into the end of the outdoor optical cable at both ends. The operation equipment on the site is limited, and the operation ⁇ is limited. Excessive installation steps will inevitably lead to inconvenient operation on site. Moreover, the construction personnel at the site understand the ability to be uneven. If the installation steps are too complicated, it may cause some personnel to misuse. (2) Since the fiber optic connector is in many cases, the operation time is too long, which may cause dissatisfaction of the household. (3) If the fiber optic connector cannot be repeatedly disassembled, the product must be scrapped in the event of assembly failure, which is too costly for the construction unit.
  • Another object of the present invention is to provide an assembly process for a dual-fiber bidirectional optical interconnect device for connecting a dual-core optical cable that is simple to use, easy to install, and used in FTTH, FTTX network installation, wireless applications, and easy-to-use field termination. .
  • the technical solution of the present invention is the dual-fiber bidirectional optical interconnect device for connecting the two-core optical cable, comprising an interconnected base, an outer frame sleeve, and a ferrule assembly respectively sleeved in the base and the outer frame sleeve, the base
  • the tail cover is also pivotally connected with the base to form a closed casing.
  • the special feature is that the bottom of the closed casing of the base is provided with a track groove, and the fiber-piercing sliding block is sliding along the track groove along the tongue.
  • the housing is closed into the closed cavity of the base, and the exposed end of the fiber-optic slider protrudes with a connecting portion.
  • the connecting portion is composed of a semicircular external thread portion and a cable clamping portion protruding along the semicircular external thread portion; the connecting portion is provided with a semicircular external thread, and the semicircular external thread and the corresponding portion of the tail cap are disposed.
  • the semi-circular external thread is fastened and fastened by a nut to realize the double-core optical cable.
  • the fiber-piercing slider is formed by a three-sided forming wall and an open cavity, a tongue which is convexly fitted to the base track groove along the middle of the open end, and a corresponding wall corresponding to the other end of the tongue.
  • the opening portion and the connecting portion protruding along the outside of the opening, the buckled portion of the cavity surrounding the tongue portion, and the fiber-dividing guiding member symmetrically protruding at the bottom of the buckle cavity are formed.
  • the cavity is located at an open end of the connecting portion, and a pre-fibrating portion is protruded; the pre-fibrating portion is cut by a block body, a shaft-shaped wall of the block body, and two sides of the supporting wall respectively
  • the tongue end is composed of a sloping wall composed of a low end of the connecting portion.
  • the base is a cavity formed by three sides of the surrounding wall, an open cavity, a track groove provided at the bottom of the cavity along the middle of the open end, a perforation of the track groove end wall and the surrounding walls on both sides of the track groove,
  • the first housing and the second housing, the first housing and the second housing, which are respectively parallel and outwardly extending along the two sides of the perforating groove, respectively, and the first housing and the second housing are used for accommodating the top wall of the cavity of the ferrule assembly and the cavity
  • the through opening, the connecting rod mechanism in the opening, and the cavity surrounding wall perpendicular to the surrounding walls of the track groove are symmetrically protruded from the pivoting shaft for pivoting the tail cover.
  • the link mechanism is composed of a pivotally connected connecting rod and a slider;
  • the connecting rod is formed by two parallel frames like H-shaped, two connecting blocks integrally formed in the middle of two parallel frames, and two parallel frames.
  • the open end is respectively formed by a pivot hole for pivoting through the sleeve;
  • the slider is composed of a strip-shaped plate body and a strip-shaped plate body extending along the central axis, and one end of the rib plate is substantially half of the strip-shaped plate body
  • the other end of the rib plate and the rib plate having the protruding protrusion size larger than the rib plate is disposed along the side wall perpendicular to the central axis of the rib plate, the square column tube and the central axis of the strip plate body beyond the boundary of the strip plate body.
  • the tail cap is defined by a shape corresponding to the shape of the base cavity and is formed by a three-sided wall and an open cavity, and an opening is formed along the corresponding portion of the wall at the other end of the cavity.
  • the protruding portion of the outer protruding portion, the pivot hole formed by the pivot portion corresponding to the surrounding wall of the base cavity, and the corresponding connecting rod mechanism portion of the bottom of the cavity are symmetrically provided with the embedded hole for inserting the link mechanism, and the two sides of the through hole are convex.
  • the pillar and the pillar are provided with a pivot shaft which is perpendicular to the pillar and is connected to the pivot hole of the link mechanism.
  • the ferrule assembly comprises a ferrule holder, a ferrule extending from the ferrule holder, a pressing block attached to the ferrule holder, and a spring, a ferrule connecting the pressing block and the ferrule holder together
  • the spring on the seat post tube and the spring stop position on the ferrule seat tube are composed.
  • the ferrule holder is formed by one end of the column tube and the column tube, a square frame for inserting a semi-groove shape into the pressure block, an end seat integrally formed at the end of the square frame, and an optical fiber recessed on the plane of the square frame.
  • the groove, the through-column, the square frame and the shaft hole of the end seat are composed.
  • Another technical solution of the present invention is the assembly process of the optical interconnection device for connecting the two-core optical cable, which is special in that it includes the following steps:
  • the fiber-optic slider of the present invention firstly fixes the optical fiber to the pre-fibration portion, and then inserts the optical fiber on the entire fiber-piercing module into the two ferrule centering components at the same time, saving labor and time. ,efficient.
  • the two outer frame sleeve structures are lapped together into one piece, and the linkage and simultaneous adjustments reduce the error.
  • the two outer frame sleeves slide synchronously, and the outer frame sleeve should be synchronized when the adapter is inserted and pulled out.
  • the two fiber end faces will respectively contact the pre-embedded fiber ends in the ferrule assembly. Since the two fibers reserve a certain amount of interference, the two fibers will have a certain degree of microbend. Throughout the process, the fiber is ensured that the fiber hits the pre-buried fiber end at the same time, and produces the same amount of microbend.
  • FIG. 1 is a schematic exploded view showing the structure of an optical interconnection device for connecting a two-core optical cable of the present invention.
  • FIG. 2 is a perspective view of an optical interconnection device for connecting a two-core optical cable of the present invention.
  • FIG 3 is a structural exploded view of the optical interconnect device tail cover of the present invention for connecting the two-core optical cable when it is opened.
  • Figure 4 is a front elevational view of the optical interconnect device of the present invention for splicing a dual core fiber optic cable.
  • Fig. 5 is a cross-sectional view taken along line A-A of Fig. 4;
  • Figure 6 is a schematic illustration of the pre-fibrated state of an optical interconnect device for use in a continuous twin-core cable of the present invention.
  • FIG. 7 and FIG. 8 are schematic diagrams showing the state of fiber separation of the optical interconnect device of the dual-core optical cable according to the present invention.
  • the dual-fiber bidirectional optical interconnect device for connecting the double-core optical cable includes a base 1 and an outer frame sleeve 2 , and respectively inserts the ferrules in the base 1 and the outer frame 2 .
  • the assembly 3 has a tail cover 4 pivotally connected to the base 1.
  • the bottom of the closed casing of the base 1 is provided with a track groove 11.
  • the penetrating slider 5 is integrally moved into the base 1 with the sliding movement of the tongue 52 along the track groove 11.
  • the exposed end of the fiber insertion slider 5 protrudes with a connecting portion 6 composed of a semicircular external thread portion 61 and a cable gripping portion 62 protruding along the semicircular external thread portion 61, the connection
  • the semicircular external thread 61 of the portion 6 is engaged with the semicircular external thread 47 provided at the corresponding portion of the tail cover 4, and then fixed by the nut 8 to realize the holding of the double-core optical cable.
  • the fiber-piercing slider 5 is formed by a cavity 51 having a three-sided forming wall and an opening on one side, and the cavity 51 is convexly fitted to the base track groove 11 along the middle of the open end.
  • the tongue 52 and the corresponding portion of the wall of the opposite end of the tongue 52 define an opening 53 and a connecting portion 6 protruding along the outside of the opening, and a buckle 55 recessed around the cavity surrounding the tongue 52.
  • the cavity 51 of the position 55 is composed of a split guiding member 54 which is symmetrically protruded at the bottom.
  • the cavity 51 is located at the open end of the connecting portion 6 and is provided with a pre-fibrating portion 56.
  • the pre-fibrating portion 56 is composed of a block body 561, a block body 561, and a shaft supporting wall 562. Both sides of the support wall 562 are respectively cut into a sloping wall 563 having a high end of the tongue portion 52 and a low end of the connecting portion 6.
  • the base 1 is formed by a three-sided forming wall and an open cavity 12, a bottom of the cavity 12 along the middle of the open end, a track groove 11, an end wall of the track groove 11 and two sides of the track groove 11
  • the first housing 14 and the second housing 15, the first housing 14 and the second housing 15 are respectively disposed on the surrounding wall, and the first housing 14 and the second housing 15 are respectively arranged in parallel with the surrounding wall.
  • the top wall of the cavity 12 of the accommodating ferrule assembly 3 defines an opening 16 penetrating the cavity 12, a link mechanism 7 disposed in the opening 16, and a cavity 12 surrounding the wall on both sides of the track groove 11
  • the symmetrical protrusion is composed of a pivot 17 for pivoting the pivot hole 44 of the tail cover 4.
  • the link mechanism 7 is composed of a connecting rod 72 pivotally connected via a pivot 71 and a slider 73.
  • the connecting rod 72 is formed by an H-shaped parallel frame 721 and a second parallel frame 721.
  • the integrally formed connecting block 722 and the two open ends of the two parallel frames 721 respectively form a pivot hole 723 for the pivot shaft 71 to pass through;
  • the slider 73 is convex by the strip plate body 731 and the strip plate body 731 along the central axis.
  • One end of the stretched rib 732 and the rib 732 is further protruded along a substantially half of the strip-shaped plate 731 to be larger than the extended rib 733 of the rib 732, and the other end of the rib 732 is convex along the boundary of the strip-shaped plate 731.
  • the side wall tube 734 having a larger size than the rib 732, and the side wall of the square column tube 734 perpendicular to the central axis of the strip plate 731 are provided with a pivot 71 pivotally connected to the link pivot hole 723.
  • the tail cover 4 is defined by a shape corresponding to the shape of the base cavity 12 and is formed by a three-sided peripheral wall with an open cavity 41 and a cavity 41 opposite to the other end of the opening.
  • An opening 42 is formed in the corresponding portion of the surrounding wall, a connecting portion 43 protruding along the outside of the opening 42, a pivot hole 44 corresponding to the pivot portion 17 corresponding to the surrounding wall of the base cavity 12, and a bottom portion corresponding to the link mechanism 7 at the bottom of the housing cavity 41
  • the insertion hole 45 into which the link mechanism 7 is inserted, the support column which protrudes from both sides of the insertion hole 45, and the support column are provided with a pivot 46 which is sleeved with the pivot hole 723 of the link mechanism 7 perpendicularly to the support post.
  • the ferrule assembly 3 is composed of a ferrule holder 31, a ferrule 32 extending from the ferrule holder 31, a pressing block 33 attached to the ferrule holder 31, and a pressing block 33 and a plug.
  • the core spring 31 is joined together by a wrap spring 34, a spring 36 fitted on the ferrule holder tube 35, and a spring stop position 351 provided on the ferrule holder tube 35.
  • the ferrule holder 31 is formed by one end of the column tube 35 and the column tube 35, and a square frame 312 for inserting a semi-groove shape into the pressing block 33, and an end seat 311 integrally formed at the end of the square frame 312.
  • the square frame 312 is formed by a concave optical fiber groove (not shown), a through-column 35, a square frame 312 and an end hole 311.
  • the assembly process of the optical interconnection device for connecting the two-core optical cable includes the following steps:
  • the double core of the optical fiber is passed through the pre-fibration portion 56, separated by an angle, separated by a certain angle, and then placed in the double fiber guiding region, and the double core is respectively pulled down from the pre-fibrating portion 56, and the fiber is inserted into the fiber.
  • the fulcrums I and II are guided to keep the double fibers in a parallel state; the tracks set by the fiberizing guide members 54 of the fiber insertion sliders 5 are parallel and forwardly extended, and the tongue portions 52 of the fiber piercing sliders 5 are arranged along the corresponding slots of the base 1. Moving, after the fiber-piercing slider 5 is loaded into the base 1, the optical fiber is threaded along the shaft hole of the ferrule assembly 3;

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Coupling Of Light Guides (AREA)

Abstract

L'invention concerne un dispositif d'interconnexion optique pour connecter des câbles à deux cœurs qui comprend une base mutuellement connectée (1), un couvercle de cadre (2), et un ensemble d'insertion de cœur (3) respectivement inséré dans la base (1) et le couvercle de cadre (2). La base (1) est reliée de manière pivotante à un capuchon d'extrémité (4), pour former une cavité de boîtier fermée avec la base (1). Une rainure de guidage (11) est formée au fond de la cavité de boîtier fermée de la base (1). Un coulisseau d'insertion de fibre (5) est déplacé complètement dans la cavité de boîtier fermée de la base (1) lorsqu'une languette (52) du coulisseau d'insertion de fibre (5) coulisse le long de la rainure de guidage (11). Une partie de connexion (6) fait saillie au niveau d'une extrémité exposée de l'élément coulissant (5) d'insertion de fibre. Un procédé d'assemblage comprend les étapes suivantes : placer l'ensemble d'insertion de coeur (3) dans une cavité (12) de la base (1) ; installer le couvercle de cadre (2) sur la base (1) ; disposer un trou de pivot (723) d'une tige de connexion (72) sur une tige de pivot (71) d'un coulisseau (73), et disposer l'autre trou de pivot (724) de la tige de connexion (72) sur un arbre de pivotement du capuchon d'extrémité (4) ; ajuster le coulisseau (73) dans une fente d'ouverture (16) de la base (1) ; ajuster une plaque d'extension (73) du coulisseau (733) dans une piste de coulissement (37) de l'ensemble d'insertion de coeur (3) ; disposer d'un trou de pivot (44) du capuchon d'extrémité (4) dans un arbre de pivot (17) de la base (1) ; placer le coulisseau d'insertion de fibre (5) dans la base (1) ; faire passer une fibre optique à travers un trou d'arbre le long de l'ensemble d'insertion de coeur (3) ; fermer le capuchon d'extrémité (4) ; ajuster intimement une partie de support de câble en cuir (62), et verrouiller un écrou d'extrémité (8).
PCT/CN2015/074987 2015-03-24 2015-03-24 Dispositif d'interconnexion optique pour connecter un câble à deux cœurs et son procédé d'assemblage WO2016149912A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2015/074987 WO2016149912A1 (fr) 2015-03-24 2015-03-24 Dispositif d'interconnexion optique pour connecter un câble à deux cœurs et son procédé d'assemblage

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Application Number Priority Date Filing Date Title
PCT/CN2015/074987 WO2016149912A1 (fr) 2015-03-24 2015-03-24 Dispositif d'interconnexion optique pour connecter un câble à deux cœurs et son procédé d'assemblage

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106886816A (zh) * 2017-03-29 2017-06-23 柏赛塑胶科技（珠海保税区）有限公司 一种电子标签的锁扣式安装结构
CN108761658A (zh) * 2018-06-01 2018-11-06 安徽电信器材贸易工业有限责任公司 一种通信光缆活动连接器
CN114014531A (zh) * 2021-10-29 2022-02-08 浙江富通光纤技术有限公司 光纤预制棒的制造工艺及其预制棒
CN117913667A (zh) * 2024-03-19 2024-04-19 山西阳煤电力销售有限公司 一种高压智能售电管理装置

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CN201749212U (zh) * 2010-07-02 2011-02-16 深圳日海通讯技术股份有限公司 光纤现场连接器
DE102011005792A1 (de) * 2010-03-18 2011-09-22 Alps Electric Co., Ltd. Befestigungskonstruktion aus zwei Elementen, optische Verbinderanordnung und Verbinder
CN102305962A (zh) * 2011-09-27 2012-01-04 深圳日海通讯技术股份有限公司 一种光纤连接器
CN104081236A (zh) * 2012-01-12 2014-10-01 3M创新有限公司 具有机械接头元件的可现场安装的双工光纤连接器
CN104308795A (zh) * 2014-09-19 2015-01-28 江苏宇特光电科技股份有限公司 Mpo带状光纤装入插芯的工装总成
CN204556895U (zh) * 2015-03-24 2015-08-12 深圳日海通讯技术股份有限公司 用于接续双芯光缆的光互连器件

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011005792A1 (de) * 2010-03-18 2011-09-22 Alps Electric Co., Ltd. Befestigungskonstruktion aus zwei Elementen, optische Verbinderanordnung und Verbinder
CN201749212U (zh) * 2010-07-02 2011-02-16 深圳日海通讯技术股份有限公司 光纤现场连接器
CN102305962A (zh) * 2011-09-27 2012-01-04 深圳日海通讯技术股份有限公司 一种光纤连接器
CN104081236A (zh) * 2012-01-12 2014-10-01 3M创新有限公司 具有机械接头元件的可现场安装的双工光纤连接器
CN104308795A (zh) * 2014-09-19 2015-01-28 江苏宇特光电科技股份有限公司 Mpo带状光纤装入插芯的工装总成
CN204556895U (zh) * 2015-03-24 2015-08-12 深圳日海通讯技术股份有限公司 用于接续双芯光缆的光互连器件

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106886816A (zh) * 2017-03-29 2017-06-23 柏赛塑胶科技（珠海保税区）有限公司 一种电子标签的锁扣式安装结构
CN106886816B (zh) * 2017-03-29 2023-04-21 柏赛塑胶科技（珠海保税区）有限公司 一种电子标签的锁扣式安装结构
CN108761658A (zh) * 2018-06-01 2018-11-06 安徽电信器材贸易工业有限责任公司 一种通信光缆活动连接器
CN114014531A (zh) * 2021-10-29 2022-02-08 浙江富通光纤技术有限公司 光纤预制棒的制造工艺及其预制棒
CN114014531B (zh) * 2021-10-29 2023-07-25 浙江富通光纤技术有限公司 光纤预制棒的制造工艺及其预制棒
CN117913667A (zh) * 2024-03-19 2024-04-19 山西阳煤电力销售有限公司 一种高压智能售电管理装置
CN117913667B (zh) * 2024-03-19 2024-05-17 山西阳煤电力销售有限公司 一种高压智能售电管理装置

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