WO2013154228A1 - Connecteur de fibres optiques de type à connexion de champ - Google Patents

Connecteur de fibres optiques de type à connexion de champ Download PDF

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Publication number
WO2013154228A1
WO2013154228A1 PCT/KR2012/005140 KR2012005140W WO2013154228A1 WO 2013154228 A1 WO2013154228 A1 WO 2013154228A1 KR 2012005140 W KR2012005140 W KR 2012005140W WO 2013154228 A1 WO2013154228 A1 WO 2013154228A1
Authority
WO
WIPO (PCT)
Prior art keywords
holder frame
groove
optical fiber
housing
base body
Prior art date
Application number
PCT/KR2012/005140
Other languages
English (en)
Korean (ko)
Inventor
문계태
Original Assignee
나노솔루션주식회사
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 나노솔루션주식회사 filed Critical 나노솔루션주식회사
Priority to CN201280005027.9A priority Critical patent/CN103443677B/zh
Publication of WO2013154228A1 publication Critical patent/WO2013154228A1/fr

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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
    • 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
    • G02B6/3869—Mounting ferrules to connector body, i.e. plugs
    • G02B6/387—Connector plugs comprising two complementary members, e.g. shells, caps, covers, locked together
    • 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
    • G02B6/3887—Anchoring optical cables to connector housings, e.g. strain relief features
    • G02B6/3888—Protection from over-extension or over-compression
    • 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
    • G02B6/381—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3818—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type
    • G02B6/3821—Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres of a low-reflection-loss type with axial spring biasing or loading means

Definitions

  • the present invention relates to a field-connected optical fiber connector, and more particularly to a reusable optical fiber connector that can be connected and disconnected by a simple button operation without a separate equipment in the workplace.
  • optical fiber is widely used as an information transmission medium.
  • Optical connectors used for the connection of such optical fibers have been variously developed, and a general structure has a structure capable of wrapping and supporting a ferrule in which a stripped optical fiber is inserted through.
  • the performance of the optical connector is determined by the insertion loss and the reflection loss.
  • the insertion loss is largely determined by the alignment elements for aligning and supporting the optical fiber together with the ferrule. It is required to be able to stably support.
  • the optical connector is required to be easily assembled in the field.
  • the conventional field-connected optical fiber connector has a disadvantage in that it is inconvenient to work through the process of separating the optical fiber connector as a whole when the optical fiber is inserted in the field to separate the connected or connected optical fiber, it is difficult to reuse.
  • the present invention has been made to improve the above problems, and an object of the present invention is to provide a reusable optical fiber connector that can be performed in the field by simple button operation and connection and disconnection of the optical fiber.
  • an optical fiber connector includes a housing having one end having an entrance opening for accommodating a coupling object and having a first hole formed to penetrate from the entrance opening to the other side; A holder frame inserted into the first hollow and coupled to the other side of the housing to be exposed to the outside and having an accommodation space therein; A fastening member having a second hollow and detachably coupled to the holder frame at an outer side of the holder frame exposed to extend from the other side of the housing; A bare optical fiber mounted in the receiving space of the holder frame and inserted into the holder frame through the second hollow of the fastening member is mounted in a pressed state with respect to the holder frame by manipulation of a button exposed to the outside of the housing. And a clamping unit configured to release the pressure.
  • the clamping unit is formed such that a ferrule insertion portion formed to insert a ferrule into a mounting groove provided to face the entrance hole, and a v groove extending in concentricity while communicating with the mounting groove of the ferrule insertion portion.
  • an entry guide portion having a third hole formed therein to allow the bare optical fiber to penetrate concentrically with the V-groove, opposite the ferrule insertion portion, centering on the alignment guide portion of the base body.
  • the first elastic bias member is applied with a clamp spring coupled to the base body in a shape bent in a 'c' shape from a bottom surface of the alignment guide portion opposite to the v groove to a direction opposite to the v groove.
  • the holder frame is formed with a sliding restraint groove formed to be restrained within a distance that the clamping unit is a predetermined length advancing, it is inserted outside the entry guide portion can be elastically biased in the direction of the entry hole And a second elastic bias member installed in the holder frame.
  • the outer surface of the holder frame is provided with a restraining protrusion formed to engage and detach the tightening member, and by the entry of the tightening member along the fixing protrusion direction from the other end opposite to the one end facing the entrance port.
  • the first guide is formed to have a divided portion that is spaced apart from each other along the longitudinal direction to be tightened in a close contact with each other, the first guide is cut in the longitudinal direction to extend the projection inwardly to the fastening member
  • a detachable groove is formed to have a slot and a first confinement slot formed to extend in a direction crossing the longitudinal direction of the guide slot at the end of the first guide slot to constrain the restriction projection.
  • the optical fiber connector according to the present invention can perform the operation by only button operation when the connection and disconnection of the optical fiber in the field provides a very simple and reusable operation of the optical fiber connection and disconnection.
  • FIG. 1 is a perspective view showing an optical fiber connector according to the present invention
  • FIG. 2 is an exploded perspective view illustrating the optical fiber connector of FIG. 1 separated along the coupling direction;
  • FIG. 3 is a perspective view showing the holder frame and the clamping unit of FIG. 2 separately;
  • FIG. 4 is a perspective view showing the holder frame of FIG. 2 separately;
  • FIG. 6 is a perspective view of the pressing body separated from the base body of FIG. 3 at a different angle.
  • FIG. 1 is a perspective view illustrating an optical fiber connector according to the present invention
  • FIG. 2 is an exploded perspective view illustrating the optical fiber connector of FIG. 1 separated along a coupling direction
  • FIG. 3 is a separation of the holder frame and the clamping unit of FIG. 4 is a perspective view showing the holder frame of FIG. 2 separately
  • FIG. 6 is a perspective view showing the base body of FIG. 3 from another angle.
  • the optical fiber connector 100 includes a housing 110, a holder frame 120, a clamping unit 140, and a fastening member 160.
  • Reference numeral 10 is a protective cap that is inserted to close the inlet of the holder frame 120 when not in use.
  • One end of the housing 110 is provided with an entrance opening 112 for accommodating a coupling object, and a first hollow 114 formed to penetrate to the other side from the entrance opening 112.
  • the engaging piece 115 which engages when engaged with the coupling object is formed to protrude to the outer side, the engaging piece 128 formed on the outer side of the holder frame 120 protrudes to the outside Fixing hole 116 is formed so that it can be fitted to be combined.
  • the through-hole 118 is formed in the housing 110 to communicate with the first hollow 114 and to be exposed to the outside so that the button 145 of the clamping unit 140, which will be described later, is exposed to the outside. .
  • the holder frame 120 is inserted through the first hole 114 of the housing 110 and is formed to protrude the coupling piece 128 on the outer surface to be coupled through the fixing hole 116.
  • the holder frame 120 is inserted into the first hollow 114 to be coupled to be exposed to the outside of the other side of the housing 110 and is formed to have an accommodation space 122 for mounting the clamping unit 140 described later inside. have.
  • the holder frame 120 has a structure in which two forms a body by mutual coupling so as to form the receiving space 122 by mutual coupling, and the base body 141 and the second elasticity of the clamping unit 140 described later.
  • First to limit the advance of the front portion of the base body 141 is inserted into the ferrule 151 so that the coil spring 147 is applied to the bias member to be restrained to form a restraint space that can be slid a certain length in the longitudinal direction.
  • the limiting jaw 134 and the coil spring 147 are constrained to have a structure having a second limiting jaw 135 formed opposite the first limiting jaw 134.
  • the space between the first limiting jaw 134 and the second limiting jaw 135 of the holder frame 120 corresponds to a sliding restraint groove formed so that the clamping unit 140 may be restrained within a predetermined length. do.
  • the holder frame 120 is formed to have a through hole penetrated in the front and rear directions so that the bare optical fiber 210 can be admitted.
  • the clamping unit 130 is mounted in the sliding restriction groove in the first limiting 34 and the second limiting 135 of the holder frame 120 to be elastically biased in the direction of the ferrule 151 by the coil spring 147. It is supposed to be.
  • the clamping unit 140 is mounted in the receiving space 132 of the holder frame 120 and inserted into the holder frame 120 through the second hollow 162 of the fastening member 160 to be described later.
  • By mounting the button 145 exposed to the outside of the housing 110 in a pressurized state with respect to the holder frame 120 can be released.
  • the clamping unit 140 includes a base body 141, a button 145, a pressing piece 146, and a clamp spring 149.
  • the base body 141 includes a ferrule insertion portion 141a formed to insert the ferrule 151 into the mounting groove 143 provided to face the entrance 112 of the housing 110.
  • the alignment guide portion having a seating surface extending rearward to the ferrule insertion portion 141a but communicating with the mounting groove 143 of the ferrule insertion portion 141a and having a concentrically extending V groove 144 exposed to the outside.
  • the bare optical fiber 210 may be inserted into the V groove 144 concentrically.
  • the cylindrical entry guide portion 141c having the triple hole 153 is formed.
  • the pressing piece 146 is coupled by a hinge 146a to one side of the alignment guide portion 141b of the base body 141 so as to be rotatable in a direction in which the pressing piece 146 is in close contact with the v-groove 144. Bare optical fiber seated in the is to be able to be in close contact and spaced by the rotation.
  • Reference numeral 146b is a vertical portion extending in the vertical direction with the hinge 146a coupled to both sides, and reference numeral 146c extends horizontally from the vertical portion 146b to form an alignment guide portion 141b. It is arranged to face the upper surface of the contact portion is in close contact with and separated from the bare optical fiber (210).
  • the upper surface of the contact portion 146c is formed with a groove 146d drawn inwardly along the longitudinal direction, and the upper end of the clamp spring 149 is bent in a direction in which the inner width is enlarged to improve the accessibility when engaging.
  • the bent portion 149b is formed.
  • the clamp spring 149 is applied to the first elastic biasing member, and the base portion 146c of the pressing piece 146 may elastically bias in the direction of pressing the bare optical fiber 210 mounted in the v-groove 144. It is coupled to the body 141.
  • the clamp spring 149 is coupled to the base body 141 in a shape bent in a 'c' shape from the bottom of the alignment guide portion 141b opposite the v groove 144 to a direction opposite to the v groove 144. have.
  • a fitting groove inwardly inserted into the bottom surface of the alignment guide portion 141b to which the clamp spring 149 is coupled is formed, and the bottom surface of the alignment guide portion 141b is formed.
  • a structure in which the fitting protrusion 149c is formed may be applied to a corresponding portion of the clamp spring 149 so as to be inserted into the fitting groove of the clamp spring 149.
  • Reference numeral 149a denotes an incision cut off the center portion of the clamp spring 149.
  • the button 145 is engaged by the hinge 145a on the opposite side to the hinged portion 146 of the alignment guide portion 141b of the base body 141, which is pressed by the user's pressing operation.
  • 146 is installed to enter between the upper surface of the alignment guide portion 141b in which the pressing piece 146 and the v-groove 144 are formed in the direction away from the v-groove 144.
  • the portion where the button 145 of the alignment guide portion 141b of the base body 141 is coupled is coupled to the external force by hinged button 145 in the side groove 147 drawn inward in the direction of the V groove 144.
  • the upper end of the button 145 is operated by pressing the button 145 while maintaining the height of the upper end so as not to interfere with the pressing piece 146 while being spaced apart from the side groove 147. It is formed so that the upper end 145a may raise to the height which pushes the press piece 145 upward when 145a rotates in the direction which comes in close contact with the side groove 147.
  • Tightening member 160 has a second hollow 162 to tighten the holder frame 120 from the outside of the holder frame 120 exposed to extend from the other side of the housing 110 and the holder frame 120 detachably Combined.
  • the second hollow 162 of the tightening member 160 is formed such that the inner diameter thereof becomes narrower as it proceeds from the front to the rear in which the holder frame 120 is inserted.
  • the inner surface of the fastening member 160 it is preferable that the pressing projection in the inner circumferential direction is formed on the inner side to press the holder frame 120 in the entry state.
  • the coil spring 147 is applied to the second elastic bias member, and is inserted outside the entry guide portion 141c to allow the clamping unit 140 to be elastically biased in the direction of the inlet 112. Constrained by the limiting jaw 135 is installed to be supported.
  • the restraining projection 129 formed to be able to couple and detach the fastening member 160 Is provided, and is divided apart from each other along the longitudinal direction so as to be tightened in the direction in close contact with each other by the entry of the fastening member 160 in the direction of the locking projection 129 from the other end opposite to the entrance port 112. It is formed to have a divided portion 121.
  • the fastening member 160 has a guide guide at a predetermined depth of the first guide slot 163a and the first guide slot 163a which are cut and extended in the longitudinal direction so that the restraining protrusion 129 can enter the inside.
  • a detachable groove 163 is formed to extend along a direction intersecting the longitudinal direction of the slot and have a first confinement slot 163b formed to constrain the protrusion 129.
  • the pressing piece 146 is kept spaced upwardly from the v-groove 144 to the optical fiber (
  • the piece 146 descends in the direction in which the clamp spring 149 is in close contact with the v-groove 144
  • the bare optical fiber 210 is fixed to the clamping unit 140 in a pressurized state.
  • the optical fiber connector 100 in which the bare optical fiber 210 is fixed may be coupled to the coupling object on which the other optical fiber is mounted through the housing 110.
  • the optical fiber 200 When the optical fiber 200 is to be separated, the optical fiber 200 may be pulled out in the direction in which the optical fiber 200 is separated while the button 145 is pressed.

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

Abstract

La présente invention concerne un connecteur de fibres optiques de type à connexion de champ, comprenant : un logement, dont une extrémité a un trou d'entrée pour recevoir un objet à coupler, et qui a un premier trou creux s'étendant depuis le trou d'entrée vers l'autre côté de celui-ci ; un cadre de dispositif de maintien qui est à insérer dans le premier trou creux et couplé de manière à être exposé vers l'extérieur de l'autre côté du logement, et qui a un espace de réception formé dans celui-ci ; un élément de fixation qui a un second trou creux pour fixation du cadre de dispositif de maintien, qui est agencé sur l'extérieur du cadre de dispositif de maintien, qui s'étend depuis l'autre côté du logement de manière à être exposé, et qui est couplé de manière détachable au cadre de dispositif de maintien ; et une unité de serrage agencée dans l'espace d'accommodation du cadre de dispositif de maintien de manière à presser ou libérer, sur/depuis le cadre de dispositif de maintien, la fibre optique nue insérée dans le cadre de dispositif de maintien à travers le second trou creux de l'élément de fixation selon l'actionnement d'un bouton exposé vers l'extérieur du logement. Le connecteur de fibres optiques décrit ci-dessus est bénéfique en ce qu'un travail peut être réalisé par l'actionnement de manière simple d'un bouton durant la connexion et la séparation de fibres optiques dans le champ, simplifiant ainsi de manière significative la connexion et la séparation de fibres optiques et permettant la réutilisation du connecteur de fibres optiques.
PCT/KR2012/005140 2012-04-09 2012-06-28 Connecteur de fibres optiques de type à connexion de champ WO2013154228A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201280005027.9A CN103443677B (zh) 2012-04-09 2012-06-28 现场组装型光纤连接器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020120036881A KR101180962B1 (ko) 2012-04-09 2012-04-09 현장 접속형 광섬유 커넥터
KR10-2012-0036881 2012-04-09

Publications (1)

Publication Number Publication Date
WO2013154228A1 true WO2013154228A1 (fr) 2013-10-17

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PCT/KR2012/005140 WO2013154228A1 (fr) 2012-04-09 2012-06-28 Connecteur de fibres optiques de type à connexion de champ

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KR (1) KR101180962B1 (fr)
CN (1) CN103443677B (fr)
WO (1) WO2013154228A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101371686B1 (ko) * 2012-12-05 2014-03-07 나노솔루션주식회사 심플 엑세스 커넥터
KR101535434B1 (ko) * 2013-09-25 2015-07-10 나노솔루션주식회사 Lc 타입 현장 조립형 광 커넥터
CN105629391B (zh) * 2014-11-06 2018-05-01 扇港元器件(香港)有限公司 主干与光缆固定件之间有改良紧固的光纤连接器
CN105223650A (zh) * 2015-09-30 2016-01-06 江苏宇特光电科技股份有限公司 熔端型皮缆光纤连接器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200450506Y1 (ko) * 2008-11-06 2010-10-07 네트워크케이블 주식회사 광커넥터 및 심선 연결용 툴
KR20110004240A (ko) * 2009-07-07 2011-01-13 고려오트론(주) 현장조립형 광커넥터
KR101051119B1 (ko) * 2010-04-09 2011-07-21 네트워크케이블 주식회사 현장조립형 광커넥터

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000147314A (ja) 1998-11-10 2000-05-26 Bridgestone Corp 光ファイバー用コネクター
US7104702B2 (en) * 2004-03-24 2006-09-12 Corning Cable Systems Llc Field installable optical fiber connector
CN201060292Y (zh) * 2007-07-16 2008-05-14 何玫 现场快速组装光纤连接器
CN102305962B (zh) * 2011-09-27 2013-07-10 深圳日海通讯技术股份有限公司 一种光纤连接器

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR200450506Y1 (ko) * 2008-11-06 2010-10-07 네트워크케이블 주식회사 광커넥터 및 심선 연결용 툴
KR20110004240A (ko) * 2009-07-07 2011-01-13 고려오트론(주) 현장조립형 광커넥터
KR101051119B1 (ko) * 2010-04-09 2011-07-21 네트워크케이블 주식회사 현장조립형 광커넥터

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Publication number Publication date
CN103443677B (zh) 2015-08-05
CN103443677A (zh) 2013-12-11
KR101180962B1 (ko) 2012-09-10

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