WO2013042001A1 - Connecteur de fibres optiques muni d'un obturateur - Google Patents

Connecteur de fibres optiques muni d'un obturateur Download PDF

Info

Publication number
WO2013042001A1
WO2013042001A1 PCT/IB2012/054611 IB2012054611W WO2013042001A1 WO 2013042001 A1 WO2013042001 A1 WO 2013042001A1 IB 2012054611 W IB2012054611 W IB 2012054611W WO 2013042001 A1 WO2013042001 A1 WO 2013042001A1
Authority
WO
WIPO (PCT)
Prior art keywords
shutter
fiber optic
optic connector
adapter
housing
Prior art date
Application number
PCT/IB2012/054611
Other languages
English (en)
Inventor
Ronghua MAO
Hang Lee
Original Assignee
Tyco Electronics (Shanghai) Co. Ltd.
Tyco Electronics Uk Ltd
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 Tyco Electronics (Shanghai) Co. Ltd., Tyco Electronics Uk Ltd filed Critical Tyco Electronics (Shanghai) Co. Ltd.
Publication of WO2013042001A1 publication Critical patent/WO2013042001A1/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
    • G02B6/3807—Dismountable connectors, i.e. comprising plugs
    • G02B6/3833—Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849—Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces using mechanical protective elements, e.g. caps, hoods, sealing membranes
    • 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

Definitions

  • the present invention relates to a fiber optic connector, more particularly, relates to a plug fiber optic connector having a shutter that can be automatically opened and closed in use.
  • one way of connecting fibers is to directly insert a ferrule of a fiber optic connector disposed at a front end of a fiber into an adapter.
  • the fiber optic connector and the adapter can be simply assembled and disassembled by this connection way, and it is easier and more convenient than other connection ways, for example, soldering.
  • a Chinese patent application No. CN1315007 A discloses an assembly of a fiber optic connector and an adapter, in which the fiber optic connector has a cover on its housing. The cover is turnable between an opened position and a closed position to expose and shield the fiber in the fiber optic connector.
  • the fiber optic connector has a longitudinal guide member that is configured to mate with a longitudinal guide member of the adapter to align the fiber optic connector with the adapter and guide the fiber optic connector into the adapter.
  • a cam pin is mounted on the adapter to be fitted in a cam groove in the cover so as to push the cover to the opened position when the fiber optic connector is inserted into the adapter.
  • a spring mechanism is provided to press the cover toward the closed position.
  • the adapter is specially made for the fiber optic connector in the Chinese patent application No. CN1315007 A, and a standard adapter is not adapted to the fiber optic connector. Accordingly, it is inconvenient for users and increases the cost.
  • a Chinese patent No. CN100437178C discloses another fiber optic connector that is adapted to the standard adapter.
  • the fiber optic connector comprises at least one ferrule frame and a griping member.
  • the gripping member comprises an inner cylinder and an outer cylinder and is movable between a withdrawn state and a stretched state.
  • a shutter is provided on a front end of the inner cylinder. In the stretched state, the shutter is arranged to a closed position where the front end of the inner cylinder is closed by the shutter. In the withdrawn state, the shutter is arranged to an opened position where the front end of the inner cylinder is opened by the shutter.
  • An action plate is supported on an inside of the shutter and inclined along the shutter. A front end of the action plate is in contact with the shutter.
  • a bias support device presses the shutter to position the shutter in the closed position. With a movement of the inner cylinder relative to the ferrule frame from the stretched state to the withdrawn state, the shutter is moved from the closed position to the opened position.
  • the gripping member is shaped to be adapted to the adapter and engaged with the adapter by snapping to form an optical coupling.
  • a releasing member is provided on a periphery of the outer cylinder to disengage the gripping member and the adapter.
  • the fiber optic connector comprising the inner cylinder and the outer cylinder is complicated in the structure, and it increases the length of the fiber optic connector.
  • the present invention has been made to overcome or alleviate at least one aspect of the above mentioned disadvantages.
  • a fiber optic connector of an fiber optic connector comprising: a housing; an optical fiber alignment device disposed in the housing and having a alignment hole in which an optical fiber is received; a sliding mechanism provided on the housing and slidable in a front-rear direction of the housing; a shutter pivotally connected to the sliding mechanism and being turnable between a closed position where the alignment hole is closed by the shutter and an opened position where the alignment hole is opened by the shutter; and an elastic mechanism with one end thereof pressing against the housing and the other end thereof pressing against the shutter.
  • a protrusion block is formed on an upper portion of the shutter and is configured to be inserted into a guide groove formed in the adapter; and wherein when the adapter pushes the upper portion of the shutter and turns the shutter to the opened position, the protrusion block enters into the guide groove to guide the fiber optic connector into the adapter.
  • the housing comprises an outer housing and an inner housing disposed in the outer housing.
  • the elastic mechanism comprises a straight spring and a sheath sleeved on the straight spring, wherein a positioning tube is formed on the outer housing, and wherein a rear end of the elastic mechanism is received in the positioning tube and a front end of the elastic mechanism presses against the shutter.
  • the sliding mechanism comprises a sliding plate having a pair of side ribs on both sides of thereof, respectively; wherein a pair of guide slots are formed in the inner housing or the outer housing; and wherein the pair of side ribs of the sliding plate are received in the pair of guide slots to guide the sliding plate to slide along the guide slot.
  • the shutter is pivotally connected to a front end of the sliding plate by a pivotal shaft.
  • a shield cylinder having an elastic snapper at a rear portion thereof; and wherein a notch is formed in the sliding plate, the elastic snapper of the shield cylinder is snapped into the notch of the sliding plate to connect the shield cylinder and the sliding plate together.
  • a surface of a front opening of the shield cylinder is inclined to the alignment hole in the optical fiber alignment device; and wherein when the shutter is turned to the closed position, the shutter covers the front opening of the shield cylinder and is inclined to the alignment hole in the optical fiber alignment device to prevent a light from being reflected by the shutter back into the alignment hole.
  • an elastic stopper is formed on the sliding plate; wherein when the shutter is turned to the closed position, the elastic stopper is protruded upward to tightly press against an inner wall of the outer housing to prevent the sliding plate from being slid; and wherein when the shutter is turned to the opened position, the elastic stopper is pressed down by the shutter to allow the sliding plate to slide.
  • the shutter has a local strengthening portion thicker than the other portion thereof, and the protrusion block is formed on the local strengthening portion.
  • a stress buffering shoe connected to an end of the inner housing opposite to the shutter.
  • the housing of the fiber optic connector is engaged with a housing of the adapter by a snapping structure.
  • the shutter can be any suitable material.
  • the shutter can be any suitable material.
  • the present invention can more effectively protect the eyes of the users from the light emitted from the fiber optic connector, and prevent the fiber in the fiber optic connector from dust and moisture.
  • Fig. la is an illustrative perspective view of a fiber optic connector and a corresponding adapter according to an exemplary embodiment of the present invention, in which the fiber optic connector is separate from the adapter;
  • Fig. lb shows the fiber optic connector and the adapter of Fig. la, in which a portion of a housing of the adapter is cut off to partly expose its inner structure, and the fiber optic connector is separate from the adapter;
  • Fig. lc is a cross section view of the fiber optic connector and the adapter of Fig. la, in which the fiber optic connector is separate from the adapter;
  • Fig.2a is an illustrative perspective view of the fiber optic connector and the corresponding adapter according to the exemplary embodiment of the present invention, in which the fiber optic connector is partly inserted into the adapter;
  • Fig.2b shows the fiber optic connector and the adapter of Fig.2a, in which a portion of a housing of the adapter is cut off to partly expose its inner structure, and the fiber optic connector is partly inserted into the adapter;
  • Fig.2c is a cross section view of the fiber optic connector and the adapter of Fig.2a, in which the fiber optic connector is partly inserted into the adapter;
  • Fig.3a is an illustrative perspective view of the fiber optic connector and the corresponding adapter according to the exemplary embodiment of the present invention, in which the fiber optic connector is completely inserted into the adapter;
  • Fig.3b shows the fiber optic connector and the adapter of Fig.3a, in which a portion of a housing of the adapter is cut off to partly expose its inner structure, and the fiber optic connector is completely inserted into the adapter;
  • Fig.3c is a cross section view of the fiber optic connector and the adapter of Fig.3a, in which the fiber optic connector is completely inserted into the adapter;
  • Fig.4 is an illustrative exploded view of the fiber optic connector according to the exemplary embodiment of the present invention.
  • Fig. la is an illustrative perspective view of a fiber optic connector 100 and a
  • Fig. lb shows the fiber optic connector 100 and the adapter 200 of Fig. la, in which a portion of a housing 201 of the adapter 200 is cut off to partly expose its inner structure, and the fiber optic connector 100 is separate from the adapter 200
  • Fig. lc is a cross section view of the fiber optic connector 100 and the adapter 200 of Fig. la, in which the fiber optic connector 100 is separate from the adapter 200.
  • the fiber optic connector 100 mainly comprising: a housing 101; an optical fiber alignment device (ferrule) 160 disposed in the housing 101 and having a alignment hole in which an optical fiber (not shown) to be connected is received; and a shield device disposed in front of the optical fiber alignment device 160 and being movable between a closed position where the alignment hole is closed by the shield device and an opened position where the alignment hole is opened by the shield device.
  • Fig.4 is an illustrative exploded view of the fiber optic connector 100 according to the exemplary embodiment of the present invention.
  • the shield device mainly comprising: a sliding plate 120 provided on the housing 101 of the fiber optic connector 100 and slidable in a front-rear direction of the housing 101; a shield cylinder 130 connected to the sliding plate 120 and sleeved on the optical fiber alignment device 160; a shutter 110 pivotally connected to the sliding plate 120 and being turnable between a closed position where the alignment hole is closed by the shutter 110 and an opened position where the alignment hole is opened by the shutter 1 10; and an elastic mechanism 150 with one end thereof pressing against the housing 101 and the other end thereof pressing against the shutter 110.
  • the elastic mechanism 150 pushes the shutter 110 to move to the closed position where the shutter 110 covers a front opening of the cylinder 130, so that the alignment hole of the optical fiber alignment device 160 is closes or shielded.
  • the housing 101 comprises an outer housing 102 and an inner housing 103 disposed in the outer housing 102.
  • the elastic mechanism 150 mainly comprises a straight spring 152 and a sheath 151 sleeved on the straight spring 152.
  • a positioning tube 1021 is formed on the outer housing 102.
  • a rear end of the elastic mechanism 150 is movably received in the positioning tube 1021 and a front end of the elastic mechanism 150 presses against the shutter 110 to elastically hold the shutter 110 at the closed position.
  • the sliding plate 120 has a pair of side ribs 121 on both sides of thereof, respectively.
  • a pair of guide slots 1031 is formed in the inner housing 103.
  • the pair of side ribs 121 of the sliding plate 120 is received in the pair of guide slots 1031 to guide the sliding plate 120 to slide along the guide slot 1031.
  • the pair of guide slots 1031 may be formed in the outer housing 102.
  • the shutter 110 is pivotally connected to a front end of the sliding plate 120 by a pivotal shaft 140.
  • the shutter 110 can slide with the sliding plate 120 in the front-rear direction, and can be turned about the pivotal shaft 140 from the closed position to the opened position.
  • the pivotal shaft 140 is connected to the sliding plate 120 at a connection position below the elastic mechanism 150, so that the elastic mechanism 150 can drive the shutter 110 at the connection position above the pivotal shaft 140.
  • the shield cylinder 130 has an elastic snapper 131 at a rear portion thereof; and a notch 122 is formed in the sliding plate 120.
  • the elastic snapper 131 of the shield cylinder 130 is snapped into the notch 122 from the underneath of the sliding plate 120 to connect the shield cylinder 130 and the sliding plate 120 together.
  • the shield cylinder 130 can slide with the sliding plate 120 in the front-rear direction.
  • the shield cylinder 130 may be connected to the sliding plate 120 by a screw, a pin or other suitable manners.
  • a surface of the front opening of the shield cylinder 130 is inclined with respect to or not perpendicular to an axis of the alignment hole in the optical fiber alignment device 160. Accordingly, when the shutter 110 is turned to the closed position as shown in Fig. lc, the shutter 110 covers the front opening of the shield cylinder 130 and is inclined with respect to the alignment hole in the optical fiber alignment device 160 to prevent a light from being reflected by the shutter 110 back into the alignment hole.
  • an elastic stopper 123 is formed on the sliding plate 120.
  • the elastic stopper 123 is protruded upward to tightly abut against an outside end of a wall of the outer housing 102 to prevent the sliding plate 120 from being slid toward the outer housing 102.
  • the elastic stopper 123 is pressed down by an upper portion of the shutter 110 and enter into an inside of the wall of the outer housing 102 to allow the sliding plate 120 to slide toward the outer housing 102.
  • Fig.2a is an illustrative perspective view of the fiber optic connector 100 and the corresponding adapter 200 according to the exemplary embodiment of the present invention, in which the fiber optic connector 100 is partly inserted into the adapter 200;
  • Fig.2b shows the fiber optic connector 100 and the adapter 200 of Fig.2a, in which a portion of a housing 201 of the adapter 200 is cut off to partly expose its inner structure, and the fiber optic connector 100 is partly inserted into the adapter 200 while the shutter is still in the closed position;
  • Fig.2c is a cross section view of the fiber optic connector 100 and the adapter 200 of Fig.2a, in which the fiber optic connector 100 is partly inserted into the adapter 200.
  • a protrusion block 111 is formed on a side surface of the shutter 110 opposite to the shield cylinder 130.
  • the protrusion block 11 1 is located at an upper portion of the shutter 110 and is configured to be inserted into a guide groove 202 formed in the adapter 200.
  • the protrusion block 111 of the shutter 110 can be received in the guide groove 202 to guide the fiber optic connector 100 to be correctly inserted into the adapter 200. Accordingly, during inserting the fiber optic connector 100, if the fiber optic connector 100 is not positioned in a right place, the shutter 110 cannot be turned to be substantially parallel to the upper wall of the housing 201 and the protrusion block 111 of the shutter 110 cannot be inserted into the guide groove 202, so that the fiber optic connector 100 is prevented from being mistakenly inserted into the adapter 200.
  • the shutter 110 has a local strengthening portion 112 thicker than the other portion thereof, and the protrusion block 111 is formed on the local strengthening portion 112. In this way, it can increase the strength of the local portion of the shutter 110 pushed by the end wall of the housing 201 of the adapter 200, so that the shutter 110 is prevented from damage by the end wall of the adapter 200.
  • Fig.3a is an illustrative perspective view of the fiber optic connector 100 and the corresponding adapter 200 according to the exemplary embodiment of the present invention, in which the fiber optic connector 100 is completely inserted into the adapter 200;
  • Fig.3b shows the fiber optic connector 100 and the adapter 200 of Fig.3a, in which a portion of the housing 201 of the adapter 200 is cut off to partly expose its inner structure, and the fiber optic connector 100 is completely inserted into the adapter 200;
  • Fig.3c is a cross section view of the fiber optic connector 100 and the adapter 200 of Fig.3a, in which the fiber optic connector 100 is completely inserted into the adapter 200.
  • the shutter 110 and the sliding plate 120 are pushed by the guide groove 202 and moved in the guide slots 1031 of the inner housing 103 toward a right side as shown in Figs. 2c and 3c, and the sheath 151 is withdrawn against the straight spring 152 within the positioning tube 1021.
  • the optical fiber alignment device 160 of the fiber optic connector 100 is correctly aligned and connected with an optical fiber alignment device 260 of the adapter 200 to achieve an accurate alignment of fibers, so that the fiber received in the fiber optic connector 100 of the present invention is connected with another fiber received in another fiber optic connector inserted into the adapter.
  • a recess 1032 is formed in the housing 101 (the outer housing 102) of the fiber optic connector 100.
  • An elastic hook 203 is formed in the housing 201 of the adapter 200.
  • a release mechanism is formed on the housing 201 of the adapter 200 for disengage the fiber optic connector 100 from the adapter 200.
  • the shutter 110 can automatically returned to the closed position under the push of the elastic mechanism 150.
  • the fiber optic connector 100 further comprises a strain relief boot 102 connected to an end of the inner housing 103 opposite to the shutter 110.

Landscapes

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

Abstract

L'invention porte sur un connecteur de fibres optiques d'un connecteur de fibres optiques comprenant : un boîtier ; un dispositif d'alignement de fibres optiques disposé dans le boîtier et ayant un trou d'alignement dans lequel une fibre optique est reçue ; un mécanisme coulissant disposé sur le boîtier et apte à coulisser dans une direction avant-arrière du boîtier ; un obturateur relié de manière pivotante au mécanisme coulissant et étant apte à tourner entre une position fermée où le trou d'alignement est fermé par l'obturateur et une position ouverte où le trou d'alignement est ouvert par l'obturateur ; et un mécanisme élastique ayant une extrémité de celui-ci pressant contre le boîtier et l'autre extrémité de celui-ci pressant contre l'obturateur. Lorsque le connecteur de fibres optiques est inséré dans un adaptateur, l'adaptateur pousse l'obturateur contre une force élastique du mécanisme élastique et tourne l'obturateur vers la position ouverte. Lorsque le connecteur de fibres optiques est tiré hors de l'adaptateur, le mécanisme élastique pousse l'obturateur pour le tourner vers la position fermée.
PCT/IB2012/054611 2011-09-23 2012-09-06 Connecteur de fibres optiques muni d'un obturateur WO2013042001A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110281494.1A CN103018843B (zh) 2011-09-23 2011-09-23 光纤连接器插头
CN2011102814941 2011-09-23

Publications (1)

Publication Number Publication Date
WO2013042001A1 true WO2013042001A1 (fr) 2013-03-28

Family

ID=47019122

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IB2012/054611 WO2013042001A1 (fr) 2011-09-23 2012-09-06 Connecteur de fibres optiques muni d'un obturateur

Country Status (2)

Country Link
CN (1) CN103018843B (fr)
WO (1) WO2013042001A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200088955A1 (en) * 2018-09-18 2020-03-19 Shen Zhen Wonderwin Technology Co., Ltd. Optical fiber connector

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5988045B2 (ja) * 2013-08-19 2016-09-07 本多通信工業株式会社 光コネクタプラグ
CN104635302B (zh) * 2013-11-06 2016-08-17 东侑光电股份有限公司 具有遮光件的光纤适配器
CN103885129B (zh) * 2014-03-17 2016-01-20 深圳日海通讯技术股份有限公司 一种光纤连接器
JP6274321B2 (ja) * 2014-09-01 2018-02-07 株式会社島津製作所 光計測装置
TWI585480B (zh) * 2015-10-02 2017-06-01 普泰光電股份有限公司 具有遮光件之光纖適配器
CN107167880A (zh) * 2017-06-30 2017-09-15 日海通信服务有限公司 光纤连接器的装配方法
TW202029591A (zh) * 2018-12-02 2020-08-01 美商扇港元器件有限公司 用於接收光纖連接器之具粉塵擋門總成的光纖配接器
CN114217385B (zh) * 2022-01-22 2023-06-23 浙江超前通信科技股份有限公司 一种提高光信号传输的5g光纤适配器

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EP1072918A2 (fr) * 1999-07-26 2001-01-31 Diamond SA Elément de connecteur pour connexion optique
CN1315007A (zh) 1998-09-14 2001-09-26 Adc电信股份公司 光纤连接器和适配器
EP1331499A1 (fr) * 2002-01-25 2003-07-30 Diamond S.A. Connecteur optique
US20060153503A1 (en) * 2005-01-12 2006-07-13 Adamant Kogyo Co., Ltd. And Illum Technologies Ultra-small, form factor single fiber optical interconnect system, with push-push type insertion/withdrawal mechanism and shuttered modular connector and shuttered adapter and method for using same
CN100437178C (zh) 2004-03-10 2008-11-26 株式会社精工技研 光连接器插头以及光连接器
EP2146232A1 (fr) * 2008-07-15 2010-01-20 Neutrik Aktiengesellschaft Fiche mâle pour une fiche de raccordement optique

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DE50009898D1 (de) * 1999-07-26 2005-05-04 Diamond Sa Steckerteil für eine optische Steckverbindung
CN201527490U (zh) * 2009-11-03 2010-07-14 无锡光太光通讯器件有限公司 手动翻盖一体式防尘帽光纤连接器
CN202305893U (zh) * 2011-09-23 2012-07-04 泰科电子(上海)有限公司 光纤连接器插头

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Publication number Priority date Publication date Assignee Title
CN1315007A (zh) 1998-09-14 2001-09-26 Adc电信股份公司 光纤连接器和适配器
EP1072918A2 (fr) * 1999-07-26 2001-01-31 Diamond SA Elément de connecteur pour connexion optique
EP1331499A1 (fr) * 2002-01-25 2003-07-30 Diamond S.A. Connecteur optique
CN100437178C (zh) 2004-03-10 2008-11-26 株式会社精工技研 光连接器插头以及光连接器
US20060153503A1 (en) * 2005-01-12 2006-07-13 Adamant Kogyo Co., Ltd. And Illum Technologies Ultra-small, form factor single fiber optical interconnect system, with push-push type insertion/withdrawal mechanism and shuttered modular connector and shuttered adapter and method for using same
EP2146232A1 (fr) * 2008-07-15 2010-01-20 Neutrik Aktiengesellschaft Fiche mâle pour une fiche de raccordement optique

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20200088955A1 (en) * 2018-09-18 2020-03-19 Shen Zhen Wonderwin Technology Co., Ltd. Optical fiber connector
US10816736B2 (en) * 2018-09-18 2020-10-27 Shen Zhen Wonderwin Technology Co., Ltd. Optical fiber connector

Also Published As

Publication number Publication date
CN103018843A (zh) 2013-04-03
CN103018843B (zh) 2015-05-20

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