CN1229197A - 光纤联接器插座 - Google Patents

光纤联接器插座 Download PDF

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CN1229197A
CN1229197A CN99101078A CN99101078A CN1229197A CN 1229197 A CN1229197 A CN 1229197A CN 99101078 A CN99101078 A CN 99101078A CN 99101078 A CN99101078 A CN 99101078A CN 1229197 A CN1229197 A CN 1229197A
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fiber optic
optic connector
shutter member
socket
unitor
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CN1143149C (zh
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R·F·罗斯
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Molex LLC
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    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/381Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres
    • G02B6/3825Dismountable connectors, i.e. comprising plugs of the ferrule type, e.g. fibre ends embedded in ferrules, connecting a pair of fibres with an intermediate part, e.g. adapter, receptacle, linking two plugs
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/3833Details of mounting fibres in ferrules; Assembly methods; Manufacture
    • G02B6/3847Details of mounting fibres in ferrules; Assembly methods; Manufacture with means preventing fibre end damage, e.g. recessed fibre surfaces
    • G02B6/3849Details 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
    • GPHYSICS
    • G02OPTICS
    • G02BOPTICAL ELEMENTS, SYSTEMS OR APPARATUS
    • G02B6/00Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
    • G02B6/24Coupling light guides
    • G02B6/36Mechanical coupling means
    • G02B6/38Mechanical coupling means having fibre to fibre mating means
    • G02B6/3807Dismountable connectors, i.e. comprising plugs
    • G02B6/389Dismountable connectors, i.e. comprising plugs characterised by the method of fastening connecting plugs and sockets, e.g. screw- or nut-lock, snap-in, bayonet type
    • G02B6/3893Push-pull type, e.g. snap-in, push-on

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

Abstract

一种用于沿光轴线接收一光纤联接器(50)的插座(12),联接器包括一配接端(58),其端接一光纤的一端,插座(12)包括一壳体(14),该壳体具有一开口端(16),用于接收沿光轴线(20)插入其内的光纤联接器的配接端(58);一安装在壳体(14)上用于移动关闭和开启开口端(16)的活门(28),当活门关闭时,其横过光轴线(20)延伸,当联接器(50)的配接端(58)插入接合时,该活门件移离开光轴线,该活门件包括一外联接器接合面(42),该接合面具有一凹入区域(44),用于光纤的端接端对正,以保护该光纤端。

Description

光纤联接器插座
本发明一般涉及光纤联接器,特别是一种插座,例如一种转接器,用于在转接器的一端或两端接收一光纤联接器。
很多种类的光纤联接器已经用于端接光缆,以便使光缆与其它电缆或其它光缆传送装置联接。一种典型的光纤联接器包括一套箍,其将一个或多个光纤在联接器内对中,并将该一个或多个光纤安装在该联接器内。这种套箍可以由陶瓷等材料制成。一种环绕着套箍的套箍套或其它联接器的壳体部件可以由模塑塑料等材料制成。在此壳体或套箍套内可以设置一弹簧,对套箍向前弹性加压,以便接合一配接联接装置的另一纤维安装套箍。
在一个转接器内通常有一对光纤联接器或一联接器与另一光纤传送装置配接,该转接器将光纤对正,以便减小插入损失。转接器将联接器联接在一起,使得其被套封的纤维端部对端部地连接起来。转接器可以是一个线路上的部件,或者说,该转接器可以设计成安装在一配电盘、底板、电路板或类似物的一开孔中。
在光纤联接器中端接的光纤对比电联接器中端接的电导体,使一“工作”的光纤联接器的光纤端部露出的情形出现时,人们遇到了各种问题。当在转接器的一端上的其中一个光纤联接器被卸下时可能会出现一种典型的情况,将另一“工作”的光纤联接器留在转接器内。
特别是,露出的光纤端可能被不利的环境损坏,灰尘和赃物的积累也可能削弱光纤的光传导性能。另一非常重要的问题是避免使工作光纤的暴露端的光束损坏操作者的眼睛。例如,未防护的插座或转接器中存在的危险光束就可能损坏操作者的眼睛。
迄今,都是采用灰尘盖、端帽或弹簧加载的活门来封闭一转接器的开口端,以将暴露的纤维端盖住,防止该光纤端受到不利环境的影响,并防止光能从转接器的光纤端露出。一种这样的弹簧加载的活门枢轴转动地安装在转接器上,与其开口端相邻,该活门可枢轴转动地运动,以关闭和开启该开口端。当该活门件关闭时,其穿过联接器/转接器组件的光轴线。该活门件一与插入的光纤联接器接合就可转动离开光轴线线,转到开启状态。
通过与光纤联接器的插入端接合来开启保护活门的一个问题是,这种接合和开启活门会损坏套箍和/或由套箍端接的光纤的端部。例如,可能会轻微地磨削套箍和/或联接器的光纤端。如果为了使活门移动到其开启位置套箍端被活门阻塞,则套箍和/或光纤端就会被污染、划伤甚至破坏。本发明就是要解决在一个光纤插座内的这种问题,该光纤插座具有一活门,该活门可通过与一插入联接器接合而自动开启。
因此,本发明的一个目的是提供一种新的改进的用于沿着一光轴线线接收一光纤联接器的插座,例如一转接器。例如,该光纤联接器可以是这种类型的,其具有一向前凸出的用于端接一个或多个光纤的套箍。
在本发明的一实施例中,该插座包括一壳体,其具有一用于接收沿光轴线插入其内的光纤联接器的开口端。一活门件枢轴转动地安装在该壳体上,与该开口端相邻,并可枢轴转动地运动,以开启和关闭该开口端。当活门件关闭时,该活门件与光轴线交叉。当插入的光纤联接器进行接合时,该活门件可枢轴转动离开光轴线。该活门件包括一外联接器接合面,该接合面具有一凹入区域,用于接收向前凸出的联接器的套箍或至少接收端接光纤端的区域。
如在此公开的,活门件和凹入区域总体上为矩形的。该外联接器接合面为阶梯状的,以限定一围绕着至少该凹入区域的顶部的径向上向外的正面凸出部分。凹入区域的深度略小于套箍从光纤联接器伸出的距离,或至少该深度足以防止端接的光纤端的污染或损坏。
应该理解,本发明不限于与带有向前伸出的套箍的光纤联接器连用。本发明希望在一活门件上提供一可与任何类型的联接器的一个或多个纤维端对正的凹入区域,该凹入区域保护纤维端,使其不与活门件接合。
从下面结合附图所作的详细描述中可以清楚地看出本发明的其它目的、特征个优点。
在所附权利要求书中具体地提出了本发明的特征,相信这些特征是具有新颖性的。参考下面结合附图所作的描述可以最好地理解本发明及其目的和优点。图中类似标号表示类似的元件,其中:
图1是本发明所适用的转接器型插座的一透视图;
图2是该插座被切开以示出活门件的一透视图;
图3是该活门件的一单独的透视图;
图4是该活门件的一前视图;
图5是该活门件的一俯视图;
图6是该活门件的一侧视图;
图7是可与该转接器配接的一类光纤联接器的俯视图;和
图8是该光纤联接器的一侧视图。
一般来说,本发明适用于一种接收光纤联接器的插座。该联接器具有向前凸出的套箍,如图7和8所示,这在后面将予以描述。插座可以为一转接器组件形式,在图1和2中总体上以标号12表示该组件,该组件包括一新颖的活门件如图4至6所示。
下面首先参考图1和2进行更具体的描述。转接器12包括一壳体,总体上以标号14表示,其具有一第一开口插座端16和一第二开口插座端18,它们限定一穿过转接器在轴向延伸上的光轴线20。两电联接器可以插入开口端16和18,在转接器12内配接,并由转接器12保持配接接合。在壳体上提供一锁合件22,用于与适合于插入开口插座端16的光纤联接器锁合接合。一对活门24响应于一第二光纤联接器(未示出)从中的插入而开关插座端18。一金属罩26(见图1)围绕着至少壳体14的一部分,并与锁合件22操作上相关联。
结合图1和2参见图3-6,本发明的实施在于有一总体上以标号28表示的门或活门,它是可由塑料模塑而成的单件结构。该活门包括一与其成一体的枢轴杆部分30。该枢轴杆部分枢轴转动地连接于壳体14上的一孔32中(见图2)。为了便于组装该活门(和锁合件22和活门24),壳体制成两部分,该两部分在交界面34处连接(见图1)。一部分可以有适宜的孔36,用于以一种压配合接纳来自另一部分的销,以提供这两部分之间的一种界面或摩擦连接。
活门28通过枢轴杆部分30枢轴转动地安装在壳体14内,以便做关闭和开启该转接器的插座端16的运动。当活门关闭时,其横过光轴线20延伸,如图2所示。当光纤联接器插入插座端16而接合时,活门枢转离开光轴线,并进入壳体的一凹入区域40。一扭簧41在活门2 8与壳体14之间操作地相关联,当光纤联接器从开口插座端16退出时,扭簧14将活门压回到其关闭位置(见图2)。
本发明希望活门28有一外联接器接合面42,该接合面具有一凹入区域44,用于接纳插入插座端16的一联接器的一向前凸出的套箍。接合面42基本上可以接合该套箍的前表面,凹入区域44位于光纤被端接的相对区域。因此,凹入区域44的深度设计为应略微小于该套箍从光纤联接器凸出的距离,或该深度至少应足以保护光纤的端接的端部,这在后面将予以描述。
本发明的另一特征是,联接器接合面42为阶梯状的,以限定一径向上向外的正面凸出部分46,该凸出部分与凹入区域44隔开,并基本上围绕凹入区域44。由于部分采用了活门作为一防尘盖,至少已经发现在凸出部分46的顶部提供了一灰尘积累区域,它减小了进入光纤联接器的光纤端部所在的凹入区域44的灰尘量。
图7和8示出一种光纤联接器,总体上以标号50表示,其可以用于结合了本发明的插座。联接器50端接于一纤维光缆52,其具有一带状纤维端部(未示出),该带状纤维端位于一套箍54内,该套箍向前伸出联接器的前配接端58的前配接面56。光纤端部暴露在套箍的前表面54a。当然应该理解,很多种类的光纤联接器都很容易适用于本发明。
根据这样的理解可以明白,联接器50的配接端58可以插入转接器12的开口插座端16。套箍的前配接面54与活门28的外表面42接合,并自动开启活门(即,将活门转动离开光轴线20)。在联接器50插入的过程中,包括套箍54的区域在内的光纤位于与活门的凹入区域44相对的位置,从而不与活门的表面42接合。凹入区域44的深度防止了光纤的抛光端受到污染或损坏。在联接器配接到插座12内并自动开启活门的过程中,在套箍的前表面54a上的抛光的光纤端决不会与活门28的任何部分接触。
正如在上面的概述中所描述的,本发明不限于如图7和8所示的在联接器50中具有向前凸出的套箍,例如套箍54的光纤联接器。在插座的活门或门上提供凹入区域可以保护任何结构本身,包括光纤的抛光端面,只要该凹入区域在轴向上与光纤端对正。该凹入区域防止光纤端部与活门的任何部位接合,这种接合可能损坏或破坏光纤端部。
应该理解,本发明可以以任何不背离其精神或主要特征的具体形式实施。因此,本例和实施例被认为是下述权利要求中所要保护的内容的一个具体化体现。

Claims (13)

1.一种用于沿着一光轴线(20)接收一光纤联接器(50)的插座(12),该光纤联接器具有一向前凸出的套箍(54),所述插座包括:
一壳体(14),其具有一用于接收沿所述光轴线(20)插入其内的光纤联接器(50)的开口端(16);
一枢轴转动地安装在该壳体上的活门件(28),其与所述开口端(16)相邻,并可枢轴运动,以开启和关闭所述开口端,当所述活门件关闭时,该活门件横过该光轴线(20)延伸,当插入的光纤联接器(50)进行接合时,所述活门件可枢轴转动离开光轴线,所述活门件包括一外联接器接合面(42),该接合面具有一凹入区域(44),用于接收所述向前凸出的联接器套箍(54)。
2.如权利要求1所述的插座,其特征在于:所述活门件总体上为矩形。
3.如权利要求2所述的插座,其特征在于:所述凹入区域总体上为矩形。
4.如权利要求1所述的插座,其特征在于:所述外联接器接合面(42)为阶梯型的,以限定一径向上向外的正面凸出部分(46),该部分围绕着至少所述凹入区域(44)的顶部。
5.如权利要求1所述的插座,其特征在于:所述凹入区域(44)的深度略微小于从光纤联接器(50)伸出的套箍(54)的距离。
6.一种用于沿光轴线接收一光纤联接器(50)的插座(12),所述联接器包括一联接端(58),其端接一光纤的一端,所述插座(12)包括:
一壳体(14),该壳体具有一开口端(16),用于接收沿所述光轴线(20)插入其内的光纤联接器(50)的配接端(58);
一安装在壳体(14)上用于移动关闭和开启所述开口端(16)的活门件(28),当所述活门件(28)关闭时,其横过光轴线(20)延伸,当联接器(50)的配接端(58)接合时,该活门件移离开光轴线,该活门件包括一外联接器接合面(42),该面具有一凹入区域(44),用于与光纤的端接端端对端的对正,以保护该光纤端。
7.如权利要求6所述的插座,其特征在于:所述活门件(28)大致为矩形。
8.如权利要求6所述的插座,其特征在于:所述外联接器接合面(42)为阶梯型的,以限定一径向上向外的正面凸出部分(46),该部分围绕着至少所述凹入区域(44)的顶部。
9.一种光纤联接器组件,其包括:
一光纤联接器(50),其具有一向前凸出的套箍(54),该套箍端接一光纤的一端;
一转接器(12),其具有一个用于沿着光轴线(20)接收光纤联接器(50)的开口端(16);
一安装在所述转接器(12)上的活门件(28),用于移动开关所述开口端(16),当所述活门件关闭时,其横过光轴线(20)延伸,当插入的光纤联接器(50)接合时,所述活门件移离开光轴线,所述活门件包括一外联接器接合面(42),该接合面具有一凹入区域(44),用于与光纤的端接端对正,以防止该光纤端与活门件接合。
10.如权利要求9所述的光纤联接器组件,其特征在于:所述活门件(28)大致为矩形。
11.如权利要求10所述的光纤联接器组件,其特征在于:所述凹入区域(44)大致为矩形。
12.如权利要求9所述的光纤联接器组件,其特征在于:所述外联接器接合面(42)为阶梯形的,以围绕着至少所述凹入区域(44)的顶部限定一径向上向外的正面凸出部分(46)。
13.如权利要求9所述的光纤联接器组件,其特征在于:所述凹入区域(44)的深度略微小于所述套箍(54)从光纤联接器(50)凸出的距离。
CNB991010787A 1998-01-14 1999-01-13 光纤联接器插座 Expired - Lifetime CN1143149C (zh)

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US09/006,707 US6108482A (en) 1998-01-14 1998-01-14 Fiber optic connector receptacle
US09/006707 1998-01-14
US09/006,707 1998-01-14

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EP (1) EP0930521B1 (zh)
JP (1) JP3000218B2 (zh)
KR (1) KR100354280B1 (zh)
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DE (1) DE69901129T2 (zh)
SG (1) SG79245A1 (zh)
TW (1) TW369159U (zh)

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KR19990067932A (ko) 1999-08-25
DE69901129D1 (de) 2002-05-08
JPH11248979A (ja) 1999-09-17
US6108482A (en) 2000-08-22
EP0930521B1 (en) 2002-04-03
DE69901129T2 (de) 2002-11-07
TW369159U (en) 1999-09-01
JP3000218B2 (ja) 2000-01-17
KR100354280B1 (ko) 2002-09-28
EP0930521A1 (en) 1999-07-21
CN1143149C (zh) 2004-03-24
SG79245A1 (en) 2001-03-20

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