CN101458367A - 可逆的光学纤维连接器 - Google Patents

可逆的光学纤维连接器 Download PDF

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CN101458367A
CN101458367A CNA200910002923XA CN200910002923A CN101458367A CN 101458367 A CN101458367 A CN 101458367A CN A200910002923X A CNA200910002923X A CN A200910002923XA CN 200910002923 A CN200910002923 A CN 200910002923A CN 101458367 A CN101458367 A CN 101458367A
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connector
fiber
cuff
branch
housing
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J·E·卡夫尼
S·P·布罗弗
V·M·巴罗尼
S·R·哈特曼
A·J·斯特罗伊德
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Panduit Corp
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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
    • G02B6/3801Permanent connections, i.e. wherein fibres are kept aligned by mechanical means
    • G02B6/3806Semi-permanent connections, i.e. wherein the mechanical means keeping the fibres aligned allow for removal of the fibres
    • 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
    • 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
    • G02B6/3846Details of mounting fibres in ferrules; Assembly methods; Manufacture with fibre stubs
    • 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
    • G02B6/3873Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls
    • G02B6/3874Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules
    • G02B6/3878Connectors using guide surfaces for aligning ferrule ends, e.g. tubes, sleeves, V-grooves, rods, pins, balls using tubes, sleeves to align ferrules comprising a plurality of ferrules, branching and break-out means
    • G02B6/3879Linking of individual connector plugs to an overconnector, e.g. using clamps, clips, common housings comprising several individual connector 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
    • G02B6/3887Anchoring optical cables to connector housings, e.g. strain relief features
    • G02B6/3888Protection from over-extension or over-compression
    • 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
    • G02B6/3834Means for centering or aligning the light guide within the ferrule
    • 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
    • G02B6/3855Details of mounting fibres in ferrules; Assembly methods; Manufacture characterised by the method of anchoring or fixing the fibre within the ferrule
    • G02B6/3858Clamping, i.e. with only elastic deformation

Abstract

一种用于可逆地和非破坏性地连接至少在其一部分上具有缓冲部分的插入的现场纤维的光学纤维梢头纤维连接器。连接器包括壳体和具有设置在其中并从一孔延伸通过套箍的纤维梢头的套箍。套箍一般至少部分地设置在壳体内并被壳体所支承。连接器还包括用于可逆地和非破坏性地连接现场纤维到纤维梢头上的可逆促动器。可逆促动器包括用于接合缓冲部分的缓冲夹子,以便同时对于所连接的现场纤维提供可逆和非破坏性的应变消除。

Description

可逆的光学纤维连接器
本申请是申请人为潘都依特有限公司、申请号为200410068531.0、申请日为2004年8月25日、题为“可逆的光学纤维连接器”的专利申请的分案申请。
技术领域
本发明涉及一种可逆的光学纤维连接器。
背景技术
光学纤维网络在远程通讯应用中由于其相对于铜线网络具有较大的带频宽度和远程能力而变得越来越普及。不过,与铜线系统相比,光学纤维电缆的连接以其更加挑剔和困难的接线著称。例如,在光学纤维接口中毗连的玻璃芯子的对准对于连接的性能至关紧要。
标准“接线盒和清漆”光学纤维连接器的现场安装极其耗费工时和专家力量。安装者要求准备纤维端部,把纤维终端胶合在连接器中,劈去从连接器端面多余的纤维,并且抛光连接器端面以便为光学性能获得最佳几何形状。端面抛光是一个困难而耗费时间的步骤,特别当使用单模式纤维时,最好采用自动化抛光机器执行。自动化抛光机器通常是庞大而昂贵的,而且,不宜在现场使用。
纤维辫线连接器设计用于消除这些冗长的步骤。辫线连接器在工厂中配制一段纤维。在工厂中,可以使用精密的抛光仪器达到一致的光洁度。在工厂中可以检查端面以保证对于最佳性能的正确端面几何形状。在现场,安装者必须用熔合粘结机器把一段纤维粘接于光缆。这样可消除很多工时,但需要安装者购买熔合粘结机器和保护套筒,这些是昂贵的。这样类型的连接器需要额外的储存空间以便保护熔合粘接线。
纤维梢头(stub)连接器设计用于消除昂贵的熔合粘接设备、粘接线保护和冗长的接线过程。梢头连接器采用一段在连接器内粘接于现场纤维(fieldfiber)的短纤维梢头。梢头连接器典型地需要卷曲以便或者激活粘结或者保留现场纤维,或者两者兼有。不过,卷曲操作不论在接口点或在其它点保留现场纤维,可能有拉动现场纤维与梢头纤维分开的倾向,或者损坏接口的信号通过能力。如果连接处在卷曲操作后被发现不良,连接器必须被切去,因为卷曲一般是不可逆转的过程。如此,连接器和一段光学纤维电缆被浪费,并且必须用新的连接器接线。这种浪费是昂贵而耗费时间的,并且对于安装者来说由于延迟线路工作而困扰。因此希望有一种可重复使用的梢头连接器。
发明内容
在此描述并且提出权利要求的是一种光学纤维连接器,在其较佳的实施例中,是完全可逆的,当现场纤维不成功地在连接器内连接于纤维梢头时,可以随后采取一个或更多尝试采用同一连接器获得成功的连接,并且甚至可能采用同一纤维的剥离端头。这可以节省安装者的时间并避免浪费光学纤维连接器和其它材料。
在本发明连接器和采用的方法众多特征中最有利的是其在连接中的完全可逆性。虽然可逆旋转杠杆过去曾用来实行和释放在光学纤维连接器(诸如在EP1136860)中的对准,这样的连接器不能提供同时的缓冲部分夹紧和脱开。这样,这些连接器一般需要额外和对缓冲部分不可逆的(即,破坏性的)卷曲,以便对于对准的现场和梢头纤维提供有益的应变消除。通常这样的卷曲步骤可能降低纤维接口的品质,但由于卷曲是不可逆的,无法显著地改善降级的连接。除非切去浪费的连接器、重新剥离和劈开纤维和重新连接现场纤维和在新的连接器中的梢头纤维。按照本发明的连接器可以免去对于这样不可逆和破坏性缓冲部分卷曲的需要,而只需要更一般性的卷曲,但仍保持有益的应变消除。
在本发明一个实施例中,设置一种光学纤维梢头纤维连接器,用于可逆地和非破坏性地连接具有缓冲部分的插入的现场纤维。该连接器包括壳体和套箍,在该套箍内部设置纤维梢头并且延伸通过套箍内孔。套箍至少部分地设置在壳体内并被壳体支承。连接器还包括一个可逆促动器以便可逆地和非破坏性地连接插入的现场纤维到纤维梢头上。该可逆促动器包括缓冲夹子,用于与缓冲部分接合以便对连接的现场纤维同时提供可逆和非破坏性的应变消除。
附图说明
图1为按照本发明较佳的SC实施例的连接器前上左方立体图;
图2为图1中连接器的后上右方立体图;
图3为图2中连接器分解立体图;
图4为图3中SC组件分解立体图;
图4A为图4中缓冲夹子放大立体图;
图5为图4中SC组件一部分放大分解立体图;
图6为图5中凸轮正视图;
图7为图5中所示凸轮以外的SC组件部分未分解前下右方立体图;
图8为图4中SC组件在组装状态顶视平面图;
图9为图8中SC组件右侧视图;
图10为图8中SC组件剖视立体图;
图11为图8中SC组件沿图8中11-11线剖面图;
图12为图9中SC组件沿图9中12-12线剖面图;
图13为图9中SC组件沿图9中13-13线剖面图;
图14为图9中SC组件沿图9中14-14线剖面图;
图15为图9中SC组件沿图9中15-15线剖面图;
图16为图9中附有螺帽和防护罩的SC组件前上右方立体图;
图17为图16中组件右侧剖面视图;
图18为图17中组件部分剖开近视图;
图19为图17中组件按照图18中19-19线剖面图;
图20为图17中组件按照图17中20-20线剖面图;
图21为按照本发明较佳FJ插座实施例的连接器前上右方立体图;
图22为图21中连接器后上右方立体图;
图23为图22中连接器分解图;
图24为图23的倒视图;
图25为图23的另一分解图;
图26为图21中连接器前下右方分解立体图;
图27为图21中连接器顶视平面图;
图28为图27中连接器右侧视图;
图29为图27中连接器按照图27中29-29线剖面图;
图30为图28中连接器沿图28中30-30线剖面图;
图31为图28中连接器沿图28中31-31线剖面图;
图32为图28中连接器沿图28中32-32线剖面图;
图33为图21中连接器FJ组件部分后上右方分解立体图;
图34为图33中组件的视图,其中一个组件已经放入FJ帽;
图35为图34中组件前上左方立体图;
图36为类似图34的视图,其中组件已放入FJ帽并且与FJ壳体对准;和
图37为类似图36的视图,其中连接器已经装配完全。
具体实施方式
本发明一般涉及光学纤维连接器并且更具体地涉及预先抛光的纤维梢头连接器。
如在图1、2和图3的分解图中可见,可逆和非破坏性光学纤维梢头连接器10的较佳实施例用来连接现场纤维。连接器10包括一般封装具有干线(backbone)14的SC组件13的外部壳体12。现场纤维16通过干线插入连接器,而具有防护罩18和保持螺帽86的防护罩/螺帽组件包围并支承光缆护套19和围绕纤维16的缓冲部分20。较佳地也可在光缆护套和缓冲部分之间设置凯夫拉纤维21,虽然在某些实施例中,现场纤维可以只有缓冲部分而没有光缆护套或凯夫拉纤维。
如在图4及5中可见,SC组件具有含有中空套箍夹持器24和凸轮26的内部壳体22。套箍夹持器具有围绕套箍30一端的套箍接受部分28,凸缘部分32,具有凸脊槽36的大套筒部分34,具有接受缓冲夹子41的夹子槽40的中套筒部分38,和在一端具有开口的小套筒部分42。凸轮套筒26包括具有向外延伸杠杆48的大套筒部分46和小套筒部分50。在凸轮26的大套筒部分46内有大内部凸轮表面52,和在凸轮26的小套筒部分50内有小内部凸轮表面53,凸轮表面从凸轮中心(凸轮同轴套筒部分的轴线)具有变化的半径。虽然如在图6中可见,各凸轮表面52及53的较大和较小半径一般在角度上对准,但并不要求它们如此对准,按照其它连接器部件的位置和方向,可以并不如此对准。
还可以在这些分解图中看到,连接器所显示的实施例包括一对支撑板,即夹持板54和v形槽板56。支撑板54和56通过套箍夹持器24的套箍接受部分28和凸缘部分32插入而进入其大套筒部分34,协力地在其中形成沟槽。在所示实施例中,沟槽57一般在v形槽板56中出现并且当二板合拢时与夹持板54齐平。二板的两端较佳地具有锥形的引入部分58以便当二板合拢时方便纤维插入沟槽。夹持板54包括向外延伸的凸脊55,用于从大套筒部分34的凸脊槽36中突出。
一旦各板插入套箍夹持器的大套筒部分,套箍30和其相关的纤维梢头60被插入套箍夹持器24的套箍接受部分28。纤维梢头60从套箍30延伸进入在板54及56之间的前引入部分58和沟槽57。各板一般对套箍30齐平,并且虽然板的前端一般靠近套箍夹持器24的套箍接受部分28和凸缘部分32之间的接口,板的主要部分设置在大套筒部分34以内。如果纤维在进入中没有很好地与沟槽对准,在板的梢头一侧的锥形引入部分58可较佳地防止纤维梢头精确劈开端被损坏。
在图4A中可详细地看到,缓冲夹子41较佳地为整体的并包括环形部分62和杆身部分64。沿杆身长度的中途,较佳地设置在一端具有凸轮随动表面68和在另一端具有握持部分70的横向部分66。在本发明较佳实施例中,握持部分为倾斜的以便为纤维引入提供方便,使缓冲部分在插入时不致被卡住。也在较佳实施例中,握持端包括可握持通过夹子槽40缓冲部分的齿71。缓冲夹子41通过环形部分62围绕(即夹住)小套筒部分42的一端而施加于套箍夹持器24,接着升起到中套筒部分38处,使杆身部分64可以配合进入中套筒部分38的夹子槽40中。
凸轮26在套箍夹持器24的3个套筒部分34、38及42上滑动,直到其与凸缘部分32齐平。假设夹持板54的凸脊55通过大套筒部分34的凸脊槽36突出并且和其缓冲夹子41的横向部分66凸轮随动表面68从中套筒部分38的夹子槽40中突出,当凸轮26滑过套箍夹持器24时,将不得不适当地在角度上定位,使内部凸轮表面52及53各自的较大半径配合这些突出的元件并且不干涉它们,免使凸轮套管不能施加在套箍夹持器上。
弹簧72配合在凸轮26的小套筒部分50的外面并且在套箍后面提供压缩阻力,使得当连接器与适当孔口或其它连接器配对时,在各套箍或套箍30和孔口上接触点之间可以获得良好的接触压力。套筒部分76上的凸片78为锥形以便容许干线14压入孔内,使锥形凸片在插入中迫使分裂的壳体分开并容许在凸片过去以后壳体可以弹性地缩回原状。凸片较佳地把干线保留在内部壳体内。外螺蚊部分80从孔74突出。
SC组件13较佳地在工厂中制造以便使用连接器的现场操作者可以预先装配光学纤维连接。这样可限制在现场执行装配所需工作量。为用预先装配的连接器连接现场纤维16,光缆护套19较佳地从缓冲部分剥去一段预定长度,如图4所示。较佳地与防护罩18一起预先装配的保持螺帽86被滑上现场纤维16的一端,使纤维从螺帽突出。保持螺帽86的套筒部分90具有内螺纹,使其可以在现场纤维连接以后旋入干线14的外螺纹部分80。纤维的端部然后较佳地精确地劈开使其可以更清洁地接合纤维梢头60。
现场纤维通过干线14的外部螺纹部分80、通过小套筒部分42和中套筒部分38插入并进入套箍夹持器24的大套筒部分34内、板54及56之间的引入部分58和沟槽57。现场纤维被插入直到其端部大约在板的长度一半和大约夹持板54上沿凸脊55长度一半之处接触纤维梢头60。可以较佳地在沟槽的后半部施加折射率匹配凝胶,以便当现场纤维一旦适当地对准后在折射上限制在现场纤维和纤维梢头接触面处的信号损失。
一旦操作者确定纤维端部已经接触,他用手旋转从内部壳体22开放部分突出凸轮26的杠杆48。凸轮的旋转促使大内部第一凸轮表面52绷紧从夹持板54通过大套筒部分34的凸脊槽36突出的凸脊55。这促使板54及56沿它们邻接表面和沟槽互相挤压,从而压缩纤维梢头端部和现场纤维端部沿沟槽57长度夹持在其位置上,并且更好地在沟槽内它们的接口处对准。在此同时,小内部第二凸轮表面53在缓冲夹子41凸轮随动表面68上绷紧,从而促使其握持部分70压紧缓冲部分20,并且对现场纤维提供应消除和抑制任何拉动梢头和现场纤维端部在沟槽中互相离开的企图。此外,缓冲夹子的齿71抑制内部缓冲层和纤维的旋转运动。
在连接方法中通过局部测试装置,诸如可见故障定位器(VFL),可以施行测试。因为没有实行可逆和/或破坏性卷曲、连接或应变消除措施,如果测试证明光学纤维连接(或即使是机械连接)是足够的,整个连接方法通过用手旋转凸轮26的杠杆返回其原来的位置是完全非破坏性地可逆的。这同时释放在凸脊55(并且从而在板54及56)上的压力并且释放在缓冲部分上缓冲夹子41的压缩。如此,现场纤维可以简单地被旋转或在重新夹紧连接器前另外移动并且再一次决定连接是否已经成功地完成。可选地,现场纤维可以从在该点上从连接器抽出,随意地重新劈开,并且随后重新插入以便再作一次成功连接的企图。关于在此使用的名词“同时”,在本发明上下文范围内不需要实际时序上的符合,该名词一般涉及在同样时间发生的行动和/或由于同样触发事件引起的行动。
然后内部壳体22的前端82插入外部壳体12的口部,直到内部壳体完全吞没在外部壳体中,并且在内部壳体外面和外部壳体里面的补充结构互相接合,使内部壳体保留在外部壳体中。凸轮26的杠杆48较佳地需要旋转到特定的角
度方位,以便促进套箍夹持器24和凸轮26进入壳体22(以形成SC组件13),并且随后进一步促进SC组件13插入外部壳体12。内部壳体22较佳地在凸轮完全作用之处限制杠杆继续旋转。一旦SC组件13插入外部壳体12,杠杆48将较佳地在套箍夹持器和外部壳体之间在角度方面固定。
总之,操作者只需要适当地剥离现场纤维,将其插入组件中,旋转凸轮26的杠杆48形成连接并在缓冲部分消除应变,用局部测试装置确认连接成功,并然后把组件插入外部壳体12和在干线14的外部螺纹部分80上旋入保持螺帽86。
在成功地连接现场纤维和预先装配的纤维梢头连接器以后,连接器可以插入在修补面板上适当的配置口或其它装置,使较佳地抛光的套箍30前端面84和相似地抛光的纤维梢头前端面可以在装置中界面连接并且容许信号从现场纤维通过到装置或反之。
在本发明连接器和采用的方法众多特征中最有利的是其在连接中的完全可逆性。虽然可逆旋转杠杆过去曾用来实行和释放在光学纤维连接器(诸如在EP1136860)中的对准,这样的连接器不能提供同时的缓冲部分夹紧和脱开。这样,这些连接器一般需要额外和对缓冲部分不可逆的(即,破坏性的)卷曲,以便对于对准的现场和梢头纤维之间接口提供有益的应变消除。通常这样的卷曲步骤可能降低纤维接口的品质,但由于卷曲是不可逆的,无法显著地改善降级的连接,除非切去浪费的连接器、重新剥离和劈开纤维和重新连接现场纤维和在新的连接器中的梢头纤维。按照本发明的连接器可以免去对于这样不可逆和破坏性缓冲部分卷曲的需要,而只需要更一般性的卷曲。
在本发明范围内考虑可以同时对准/连接纤维而仍可对缓冲部分提供应变消除作用的可逆促动器,可以基本上区分为两种单独的促动器,一种用来对准/连接纤维而另一种用来对缓冲部分提供可逆和非破坏性的应变消除。虽然这样的对准可能牵涉到在接合连接器时额外的步骤,按照这两种动作是否可以均在一个额外步骤中转换,功能或成本效益可以从这些功能独立地实行而仍保持在缓冲部分上提供的应变消除的非破坏性和可逆性而确定。虽然图中所示可逆促动器为凸轮,任何形式的可逆的促动器,例如开关,也可在本发明范围内考虑采用。
本发明可以用不同于上面披露的SC型光学插头的形式实施,而图21-37显示本发明可供选择的实施例,其中连接器一般配置为FJ-型光学插头。还有可能在发明中采用诸如符合SC、LC、ST或FJ标准的插头或插座的形式。
如图25及26中具体地可见,图21-37中FJ插座110基本上采用两个全同于在以上描述的SC型插头连接器的SC组件,并带有附加匹配FJ标准的部件。与在SC连接器中相应零件相比,FJ实施例中的相同另件增加编号100,两个组件113并排地放入FJ帽190中。两套箍130被分开的套管191所包围,其中套管由分开的套管保持件192夹持在位。套箍和所附属的分开套管配合在FJ壳体194的套箍开口193中。保持件192较佳地可以包括用于配合进入套箍开口193的沟槽196的凸片195。配合在组件113上的帽190的前面边缘197,当分开的套管套箍130完全插入开口193时,一般将较佳地与FJ壳体194后面部分198齐平。FJ壳体194包括凹陷的前面部分199为套箍130的较佳地抛光的前表面184提供接近便利,以便接受和匹配相应配置的FJ插头型连接器或其它兼容的连接器。与SC实施例相比内部壳体122的前端182可以包括较少的锁扣机构,因为FJ帽190和壳体194取代锁住外部壳体(诸如外部壳体12)的需要。其它在帽和壳体上的锁扣可以用来帮助保持部件。在帽上可以较佳地设置凸脊189以便帮助用手握持帽和连接器。
本发明FJ插座的实施例保留以前描述的关于SC插头方案中完全可逆的优点,由于两个光学纤维连接均可通过旋转杠杆148而完全可逆。此外,假定它们在FJ帽和壳体内并排地放置,杠杆148在凸轮上的旋转和角度放置可以有利地如此定位,即只有当杠杆旋转到关闭位置(即,纤维对准)时,组件才可以插入帽和壳体。FJ插座110的另一个优点是套箍130可以浮动在弹簧172上,以便当插座接合插头或其它连接硬件时可以提供接触压力。
本发明以上阐明和描述的实施例仅为代表性的并且无论如何不打算限制发明的范围。相反,本发明认为可以包括并没在这里具体显示和描述的方案。例如,缓冲部分夹子可以具有在结构上不同于图4A所显示的握持部分,它将认为属于本发明范围以内。相似地,以不同方式接合缓冲部分而提供应变消除的缓冲部分夹子也将认为属于本发明范围内。还有,缓冲部分不必包括任何具体类型的材料并且不同类型的包围材料可以在本发明各种实施例中交替地出现。此外,本发明不限于这里描述和阐明的具体SC和FJ光学格式,因为本发明可以在其它当前或甚至尚未存在的光学格式中采用。相似地,本发明可以在类似插头或类似插座/接受器的连接器中采用,因为阳/阴结构一般不阻碍本发明的使用。本发明由下列权利要求所限定。

Claims (11)

1.一种光学纤维梢头纤维连接器,用于可逆地和非破坏性地端接插入的现场纤维,所述连接器包括:
壳体;
套箍,包括设置在其内部并从一孔延伸通过所述套箍的纤维梢头,所述套箍总体上设置在所述壳体内部并由所述壳体支承;和
可逆的促动器,用于可逆地和非破坏性地端接所述插入的现场纤维到所述纤维梢头,所述可逆促动器同时对所述端接的现场纤维提供可逆的和非破坏性的应变消除。
2.如权利要求1所述的连接器,其特征在于,所述可逆促动器在第一位置和第二位置之间交替地手动运动,其中在第一位置上,所述插入的现场纤维夹持成为与所述纤维梢头总体上邻接对准,而在第二位置上,所述现场纤维总体上不夹持在所述连接器内。
3.如权利要求1所述的连接器,其特征在于,所述可逆促动器包括凸轮。
4.如权利要求3所述的连接器,其特征在于,所述凸轮包括用于促动所述凸轮的手工可旋转的杠杆。
5.如权利要求4所述的连接器,其特征在于,当到达所述第一和第二位置中的至少一个时,所述杠杆的旋转被所述壳体限制。
6.如权利要求1所述的连接器,其特征在于,还包括设置在所述壳体内的套箍夹持器。
7.如权利要求6所述的连接器,其特征在于,所述套箍夹持器包括至少一个设置在其中的夹持板和所述夹持板的延伸部分延伸通过的窗口,从而所述可逆促动器接近所述延伸部分。
8.如权利要求6所述的连接器,其特征在于,还包括由所述壳体保持、并具有从所述壳体延伸的螺纹部分的干线。
9.如权利要求8所述的连接器,其特征在于,还包括保持螺帽,该螺帽具有螺纹部分,与所述干线的所述螺纹部分合作以便可逆地固定所述保持螺帽在所述干线上,并从而提供应变消除。
10.按照权利要求1所述的连接器,其特征在于,所述连接器为SC型。
11.按照权利要求1所述的连接器,其特征在于,所述连接器为FJ型。
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US20060165352A1 (en) 2006-07-27
US20120321256A1 (en) 2012-12-20
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US20070127872A1 (en) 2007-06-07
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US20100220962A1 (en) 2010-09-02
US7722262B2 (en) 2010-05-25
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US20140254987A1 (en) 2014-09-11
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US7178990B2 (en) 2007-02-20
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US7568845B2 (en) 2009-08-04

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