WO2014163006A1 - Capuchon à l'épreuve de la poussière - Google Patents

Capuchon à l'épreuve de la poussière Download PDF

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Publication number
WO2014163006A1
WO2014163006A1 PCT/JP2014/059158 JP2014059158W WO2014163006A1 WO 2014163006 A1 WO2014163006 A1 WO 2014163006A1 JP 2014059158 W JP2014059158 W JP 2014059158W WO 2014163006 A1 WO2014163006 A1 WO 2014163006A1
Authority
WO
WIPO (PCT)
Prior art keywords
optical
connector
cap
connector housing
dust
Prior art date
Application number
PCT/JP2014/059158
Other languages
English (en)
Japanese (ja)
Inventor
謙一 池谷
知弘 彦坂
Original Assignee
矢崎総業株式会社
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 矢崎総業株式会社 filed Critical 矢崎総業株式会社
Priority to DE112014001787.6T priority Critical patent/DE112014001787B4/de
Priority to CN201480018431.9A priority patent/CN105074523A/zh
Publication of WO2014163006A1 publication Critical patent/WO2014163006A1/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
    • 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
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • 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
    • G02B6/42—Coupling light guides with opto-electronic elements
    • G02B6/4292—Coupling light guides with opto-electronic elements the light guide being disconnectable from the opto-electronic element, e.g. mutually self aligning arrangements

Definitions

  • the present invention relates to a dustproof cap that is used in an optical connector for connecting an optical cable that performs optical transmission, and prevents dust from entering the optical connector.
  • Patent Document 1 proposes this kind of dustproof cap.
  • a fitting portion into which the optical coupling portion side of the optical connector is inserted and fitted is formed.
  • the fitting portion is formed in a box shape with one end side opened and the other end side closed, and a protruding portion for protecting the optical coupling portion of the optical connector is formed inside the wall portion closing the other end side.
  • rock of an optical connector is provided in the outer peripheral part of the fitting part.
  • JP 2002-023009 JP 2002-023009 A
  • a connector lock is provided on the outer periphery of the optical connector, and a lock locking portion for locking to the connector lock is provided on the outer periphery of the dustproof cap. For this reason, an optical connector and a dustproof cap become a complicated structure, and manufacturing cost becomes high.
  • a dustproof cap provided with a lock locking part and a connector lock is not provided.
  • a connector lock is provided on the dustproof cap side to prevent disconnection. This complicates the structure of the dustproof cap.
  • an object of the present invention is to provide a dustproof cap that can prevent the intrusion of dust into the optical connector without complicating the shape.
  • a dustproof cap includes a connector housing that is box-shaped and has an opening at one end and an end of the optical cable inserted therein to cover the end of the optical cable. And an optical transceiver for converting an optical signal and an electrical signal by being connected to the optical cable, and a shield case that is provided on an outer periphery of the optical fiber, and shields the connector housing.
  • the optical coupling portion of the optical transceiver is connected to the other end side by mounting the optical coupling portion of the optical transceiver on one end side and the optical coupling portion of the counterpart optical connector on the other end side.
  • Dust entering the connector housing is held by an optical connector that includes a sleeve that can be aligned with the optical axis of the optical connector of the optical connector.
  • a dust-proof cap for preventing intrusion a cap main body portion inserted into the connector housing, an opening closing portion which is formed integrally with the cap main body portion and closes the opening portion of the connector housing, and a cap main body portion;
  • the cap body portion is formed integrally and is press-fitted into the other end side of the sleeve, thereby providing a protruding portion capable of holding the cap main body portion in the connector housing.
  • the protruding portion of the dustproof cap can protect the optical transceiver.
  • the dustproof cap can be fitted to the optical connector, even if an optical connector without a connector lock is used, the dustproof cap of the optical connector can be protected without complicating the shape of the dustproof cap. It can be carried out.
  • a fitting portion protruding from the opening closing portion is provided so as to surround the periphery of the protruding portion.
  • the dust cap can be fitted along the optical axis of the optical coupling portion. For this reason, it can prevent that the optical axis of an optical coupling part shakes.
  • FIG. 1 is a perspective view of the connector of the optical connector according to the embodiment.
  • FIG. 2 is a perspective view of a dustproof cap fitted to the optical connector according to the embodiment.
  • FIG. 3 is an exploded perspective view of the dust cap according to the embodiment before fitting into the connector.
  • FIG. 4 is a perspective view illustrating a state in which the dust cap according to the embodiment is fitted to the connector.
  • FIG. 5A is a side view showing the dust-proof cap side in a state where the dust-proof cap according to the embodiment is fitted
  • FIG. 5B is a cross-sectional view taken along line AA of FIG.
  • FIG. 6 is a cross-sectional view of the optical connector showing a dust path expected to enter the optical connector according to the embodiment.
  • FIG. 1 shows an optical connector 2 (PCB connector: Connector Printed Circuit Board) to which the dust cap 3 according to the embodiment can be fitted.
  • PCB connector Connector Printed Circuit Board
  • the optical connector 2 includes a box-shaped connector housing 5, a shield case 7 disposed so as to cover the outer periphery of the connector housing 5, and an optical transceiver 9 (FOT: Fiber) for performing conversion between an optical signal and an electrical signal.
  • FOT Fiber
  • Optical Transceiver and a sleeve 11 that aligns the optical axis of the optical coupling portion 41.
  • a mating optical connector (not shown) can be attached to the optical connector 2.
  • the connector housing 5 is formed with an upper surface 17 and a lower surface 19 so as to face each other, and is formed so that the side walls 21 face each other so as to connect the end portions of the upper surface 17 and the lower surface 19. ing.
  • a mating optical connector (not shown) or a dust cap 3 is inserted into the opening 23 on one end side of the connector housing 5.
  • An optical transceiver 9 can be inserted into the opening on the other end side of the connector housing 5.
  • a plurality of cap guide walls 29 for guiding the dustproof cap 3 are provided on the inner wall surface 25 of the connector housing 5.
  • a shield case locking portion 31 for locking the shield case 7 is provided upright.
  • the shield case 7 is formed in a substantially U shape so as to cover the outer wall surface 27 of the connector housing 5.
  • the shield case 7 includes a side wall portion 33 formed so as to face each other, and a connecting wall portion 35 that connects the side wall portions 33 facing each other.
  • a side wall locking portion 37 that locks with the shield case locking portion 31 provided in the connector housing 5 is formed on the side wall portion 33.
  • the shield case 7 is fixed to the connector housing 5 by the side wall locking portion 37 and the shield case locking portion 31 being locked.
  • the optical transceiver 9 includes a box-shaped main body 39 and an optical coupling portion 41 formed so as to protrude from the fitting side surface 40 of the main body 39.
  • the optical transceiver 9 is accommodated in the connector housing 5.
  • the sleeve 11 is formed of a thin plate-like member in a cylindrical shape, and a slit 43 is formed in a part thereof, and has elasticity.
  • An optical coupling portion 41 of the optical transceiver 9 is attached to one end side of the sleeve 11, and an optical coupling portion (not shown) of a counterpart optical connector (not shown) is attached to the other end side of the sleeve 11.
  • the optical axes of the optical coupling portion 41 of the optical transceiver 9 and the optical coupling portion (not shown) of the counterpart optical connector (not shown) can be aligned.
  • the other end side of the sleeve 11 can be mounted with an optical coupling portion (not shown) of a counterpart optical connector (not shown) or a protruding portion 53 of the dust cap 3.
  • the inner diameter of the sleeve 11 is set smaller than the outer periphery of the light coupling portion 41 or the protrusion 53 of the dust cap 3. Since the sleeve 11 is formed of an elastic thin plate material, the diameter can be increased by the slit 43. For this reason, the inner periphery 45 of the sleeve 11 is press-fitted and fixed to the outer periphery of the optical coupling portion 41 and the protruding portion 53.
  • the outer circumferences of the optical coupling portion 41 of the optical transceiver 9, the optical coupling portion (not shown) of the counterpart optical connector (not shown), and the protruding portion 53 of the dust cap 3 are set to the same outer diameter.
  • the dust-proof cap 3 includes a box-shaped opening closing portion 13 and a standing portion 15 standing from the opening closing portion 13.
  • the opening closing portion 13 is formed in a substantially box shape and closes the opening portion 23 of the connector housing 5 by the fitting side wall surface 48 to be inserted into the optical connector 2.
  • the standing portion 15 includes a cap main body portion 49 that is inserted into the connector housing 5, a hole portion 51 that is recessed in the cap main body portion 49, and a protruding portion that is formed to protrude into the hole portion 51 53, a fitting portion 55 provided around the cap body portion 49, and a recess 57 into which the cap guide wall 29 of the connector housing 5 is inserted.
  • the cap main body 49 is provided so as to protrude from the opening closing portion 13 to the connector side.
  • the inner diameter of the hole 51 can be appropriately changed depending on the shape of the connector housing 5 to be fitted, and may be any shape that fits into the shape of the connector housing 5.
  • the outer diameter of the protruding portion 53 is formed to be equal to the outer diameter of the optical coupling portion 41.
  • the sleeve 11 is press-fitted into the outer periphery of the protruding portion 53.
  • the fitting portion 55 is formed so as to protrude from the cap body portion 49 in a direction orthogonal to the cap insertion direction.
  • the fitting portion 55 of the dust cap 3 is guided by the cap guide wall 29 formed on the inner wall surface 25 of the connector housing 5, and the optical connector 2 and the dust cap 3 are securely fitted.
  • the recess 57 is formed by being recessed in the cap body 49. Since the cap guide wall 29 formed on the inner wall surface 25 of the connector housing 5 is in sliding contact with the recess 57, the dust cap 3 can be securely attached to the optical connector 2.
  • the shield case 7 is disposed so as to cover the outer periphery of the connector housing 5. At this time, the side wall locking portion 37 provided on the shield case 7 is locked to the shield case locking portion 31 provided on the outer wall surface 27 of the connector housing 5, whereby the connector housing 5 and the shield case 7 are fixed. Has been.
  • the optical transceiver 9 is inserted from the opening on the other end side of the connector housing 5, and the sleeve 11 is press-fitted into the optical coupling portion 41 formed in the optical transceiver 9.
  • the cap guide wall 29 provided on the inner wall surface 25 of the connector housing 5 and the fitting portion 55 and the concave portion 57 of the dust-proof cap 3 are brought into sliding contact with each other to guide to an accurate fitting position, as shown in FIG. As shown, the connector housing 5 and the dust cap 3 are fitted. As shown in FIG. 5, the dust-proof cap 3 guided by the cap guide wall 29 is inserted into the connector housing 5 so that the cap main body portion 49 is fitted into the connector housing 5.
  • the projection 53 in the dustproof cap 3 With the above-described configuration, the projection 53 can protect the optical transceiver 9 and the dustproof cap 3 can be fitted to the optical connector 2. it can. For this reason, even when the optical connector 2 in which the connector lock is not formed is employed, the optical connector 2 can be protected against dust without complicating the shape of the dust cap 3.
  • the dust-proof cap 3 can be fitted along the optical axis of the optical coupling portion 41. For this reason, it is possible to prevent the optical axis of the optical coupling portion 41 from being shaken.
  • the opening 23 of the connector housing 5 is closed by the opening closing part 13 of the dust cap 3. For this reason, infiltration of the dust from the opening part 23 of the connector housing 5 can be prevented.
  • an arrow D shown in FIG. 6 indicates a dust intrusion route. Even if dust enters from between the optical connector 2 and the dust-proof cap 3 as shown by the arrow D, the standing portion 15 of the dust-proof cap 3 must be bypassed before reaching the optical coupling portion 41. For this reason, dust can hardly enter the optical coupling portion 41.
  • the PCB connector as the optical connector 2 which the dust-proof cap 3 fits, it can use as a dust-proof cap for not only a PCB connector but an in-line connector which couple
  • the present invention can be used for an optical connector used to connect an optical fiber that performs optical transmission.

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Optical Couplings Of Light Guides (AREA)
  • Mechanical Coupling Of Light Guides (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

L'invention concerne un capuchon à l'épreuve de la poussière (3) permettant d'empêcher l'entrée de poussière dans un boîtier de connecteur (5) qui est retenu sur un connecteur optique (2) pourvu : du boîtier de connecteur (5) permettant de couvrir la borne d'un câble optique; d'un étui de blindage (7) destiné à blinder le boîtier de connecteur (5); d'un émetteur-récepteur optique (9) destiné à convertir des signaux optiques et des signaux électriques, l'émetteur-récepteur optique (9) étant pourvu d'une partie de couplage optique (41) dans laquelle un corps principal (39) et le câble optique sont couplés; et d'un manchon (11) ayant la partie de couplage optique (41) de l'émetteur-récepteur optique (9) montée du côté d'une extrémité, et la partie de couplage optique d'un connecteur optique côté accouplement montée du côté de l'autre extrémité; ce qui permet l'alignement des axes optiques de la partie de couplage optique (41) de l'émetteur-récepteur optique (9) et de la partie de couplage optique du connecteur optique côté accouplement, le capuchon à l'épreuve de la poussière (3) étant pourvu : d'une partie principale de capuchon (49) insérée dans le boîtier de connecteur (5); d'une partie de bouchon d'ouverture (13) formée solidairement avec la partie principale de capuchon (49), la partie de bouchon d'ouverture (13) fermant la section d'ouverture (23) du boîtier de connecteur (5); et d'une partie en saillie (53) formée solidairement avec la partie principale de capuchon (49), la partie en saillie (53) étant capable de retenir la partie principale de capuchon (49) sur le boîtier connecteur (5) en étant pressée dans le côté de l'autre extrémité du manchon (11).
PCT/JP2014/059158 2013-04-01 2014-03-28 Capuchon à l'épreuve de la poussière WO2014163006A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
DE112014001787.6T DE112014001787B4 (de) 2013-04-01 2014-03-28 Staubschutzkappe
CN201480018431.9A CN105074523A (zh) 2013-04-01 2014-03-28 防尘帽

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2013075872A JP6200184B2 (ja) 2013-04-01 2013-04-01 防塵キャップ
JP2013-075872 2013-04-01

Publications (1)

Publication Number Publication Date
WO2014163006A1 true WO2014163006A1 (fr) 2014-10-09

Family

ID=51658302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2014/059158 WO2014163006A1 (fr) 2013-04-01 2014-03-28 Capuchon à l'épreuve de la poussière

Country Status (4)

Country Link
JP (1) JP6200184B2 (fr)
CN (1) CN105074523A (fr)
DE (1) DE112014001787B4 (fr)
WO (1) WO2014163006A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108614329A (zh) * 2018-07-04 2018-10-02 南京华脉科技股份有限公司 一种适配器智能防尘帽

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108646354B (zh) * 2018-06-21 2024-02-13 南京华脉科技股份有限公司 一种适配器防破坏智能防尘帽
JP2021021778A (ja) * 2019-07-25 2021-02-18 矢崎総業株式会社 光コネクタ、光ファイバの端末構造

Citations (2)

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Publication number Priority date Publication date Assignee Title
JP2000501849A (ja) * 1995-12-08 2000-02-15 シーメンス アクチエンゲゼルシヤフト 封鎖部品
JP2002357744A (ja) * 2002-04-17 2002-12-13 Matsushita Electric Ind Co Ltd 光ファイバモジュール

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JP3326959B2 (ja) * 1994-04-25 2002-09-24 松下電器産業株式会社 光ファイバモジュール
US6227717B1 (en) 1997-12-16 2001-05-08 The Siemon Company Dust caps for use with telecommunications adapters and connectors
CN2514361Y (zh) * 2001-12-12 2002-10-02 伸金股份有限公司 光纤插座防尘盖
US7367719B1 (en) 2005-12-12 2008-05-06 Francesco Liburdi EMI shield for optical connector
CN201035191Y (zh) * 2007-04-10 2008-03-12 洪健 改进的光纤连接器防尘帽
CN201083853Y (zh) * 2007-09-29 2008-07-09 四川光恒通信技术有限公司 一种用于光纤收发器的金属防尘帽
US7706657B1 (en) * 2008-12-31 2010-04-27 Occam Networks, Inc. Fiber optic parking dust cover
CN201984182U (zh) * 2010-08-30 2011-09-21 深圳新飞通光电子技术有限公司 一种光纤端口的防尘帽
JP2012230319A (ja) 2011-04-27 2012-11-22 Auto Network Gijutsu Kenkyusho:Kk 保護キャップ付き光コネクタ、及び保護キャップ

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Publication number Priority date Publication date Assignee Title
JP2000501849A (ja) * 1995-12-08 2000-02-15 シーメンス アクチエンゲゼルシヤフト 封鎖部品
JP2002357744A (ja) * 2002-04-17 2002-12-13 Matsushita Electric Ind Co Ltd 光ファイバモジュール

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108614329A (zh) * 2018-07-04 2018-10-02 南京华脉科技股份有限公司 一种适配器智能防尘帽
CN108614329B (zh) * 2018-07-04 2024-04-05 南京华脉科技股份有限公司 一种适配器智能防尘帽

Also Published As

Publication number Publication date
CN105074523A (zh) 2015-11-18
JP2014202776A (ja) 2014-10-27
DE112014001787B4 (de) 2019-10-17
JP6200184B2 (ja) 2017-09-20
DE112014001787T5 (de) 2016-01-21

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