CN101501546B - 用于安装分插头接线盒的通用托架 - Google Patents
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Abstract
本发明涉及一种在光纤网络中使用的分插头接线盒安装系统。该分插头接线盒安装系统包含一个带有分插头接线盒外壳的分插头接线盒,多个光缆适配器安装在该外壳中。光缆适配器带有可以从分插头接线盒外壳外部接近的外部接口。该分插头接线盒安装系统还包含一个带有用于接收分插头接线盒支架的托架。该托架具有用于轻松地把托架安装到柱子、线缆束或手孔等不同类型的结构上的结构。
Description
本申请是2007年4月4日提交的PCT国际专利申请,其以美国的一家名为ADC TELECOMMUNICATIONS,INC.的公司为指定除美国之外的所有国家的申请人,而以均为美国公民的Randy Reagan和John Clifton CobbIII为只指定美国的申请人,并要求2007年4月5日提交的美国专利申请号11/399,715的优先权。
技术领域
本发明涉及一种光纤分配系统。特别的是,本发明涉及用于安装光纤分配系统中所用的分插头接线盒的方法和设备。
背景技术
由于服务提供商希望能够为用户提供更快的宽带通信能力,导致无源光纤通信网络越来越普及。无源光纤网络是提供高速通信数据的理想之选,因为它们在交换局和用户终端之间不需要有源电子设备,如放大器和中继器。不安装有源电子设备可以降低网络的复杂性和成本,并能提高网络可靠性。
图1为布置了无源光纤线缆的网络100。如图1所示,网络100包括在网络中连接了多个终端订户115(此处也称为终端用户115)的交换局110。交换局110可能还连接到因特网(图中未画出)和公共交换电话网(PSNT)等大型网络。网络100还可包括具有一个或多个光纤分路器(例如,1—8分路器、1—16分路器、1—32分路器)的光纤分配集线器130(FDH),分路器可分出多条独立的光纤,进入终端用户115的住宅。各种网络线缆可以是架空的或布置在地下的管线中(例如,参见管线105)
网络100最靠近交换局110的部分通常被称为F1区域,此处的F1是来自交换局的“光纤馈线”。网络的F1部分包括具有12—48根光纤的分配缆线,在实施时也可能多点或少点。网络100中包括一个FDH130和众多终端用户115的部分可以被称为网络100的F2部分。FDH130中用的分路器可以接收有多条光纤的馈线,并且可以把这些入口光纤分成216—432条独立的分配光纤,以连接到大量的终端用户。
根据图1,网络100包含许多分离点125,缆线分支(例如,插头缆线、短截线缆线等)在此处从主缆线(例如,分配缆线)分开。分离点也可以称为分路点或分支点,分支缆线也被称为分离缆线。在分离点处,分支缆线的光纤通常与选定的主缆线的光纤绞合。然而,在某些应用中,主缆线光缆和分支缆线光缆之间的接口可以结合。
短截线缆线通常是从分离点路由出的分支缆线,它连接到中间通道位置,例如底座、分插头接线盒和集线器。中间通道位置提供分离点和用户之间的连接器接口。分插头缆线通常是组成通往用户位置的最后一段缆线。例如,分插头缆线从中间通道位置路由到用户位置。分插头缆线也可以直接从分离点位置路由到用户位置,从而绕过中间通道位置。
图1示出了几条分支缆线路由到分插头接线盒104。分插头接线盒可以被安装在多种不同的结构上。例如,典型的分插头接线盒可以安装在柱子上,缆线束(例如,光缆或铜电缆)上,或安装在手孔中。分插头接线盒的典型安装实践包括使用从与分插头接线盒外壳一体的通孔中延伸出来的紧固件把接线盒安装在安装结构上。此实践可能要使用会损坏分插头接线盒的锤子等工具。例如,可能会把分插头接线盒敲坏,出现渗水的地方。同时,也可能损坏安装到接线盒的光纤,造成接线盒不起作用。
安装人员使用托架把分插头接线盒安装到既定的结构也是很常见的情况。通常,每个安装应用都会使用特殊的、专门制作的托架。例如,第一种类型的托架可能被用在柱子安装配置中,第二种类型的托架可能被用在缆线束的安装配置中,而许多其他类型的托架可能被用在手孔安装中。为各种不同的安装配置准备多种托架不仅成本高,而且要求安装人员为各式各样的托架准备大量的库存。
发明内容
本发明涉及一种分插头接线盒安装系统,包括适用于安装在诸如柱子、线缆束或在手孔内部等多种结构中的通用托架。通用托架包括一个用于接收分插头接线盒的支架。在一个实施例中,使用卡合连接把分插头接线盒保持在支架中。在使用中,托架最初安装在要固定分插头接线盒的结构上。此后,分插头接线盒安装在托架中。通过这种方式,安装过程中损坏分插头接线盒的风险降低了。
下面还将详细阐述其他有创造性的方面。这些创造性的方面涉及可能涉及单个特征,也可能涉及某些特征的组合。需要指明的是,前述的一般描述和下面的详细描述只是示范性和说明性的,对本次公开的实施例所依赖的全部发明概念不起限制作用。
附图说明
图1为光纤网络的现有技术;
图2为分插头接线盒安装系统的分解透视图,它具有可作为根据本发明原理的创造性方面示例的特征,该系统包括一个接收分插头接线盒的通用托架;
图3为图2中的分插头接线盒安装系统的透视图,其示出分插头接线盒已安装在通用托架中;
图4为用在图2系统中的通用托架的透视图;
图5为图4中的通用托架的侧视图;
图6为图4中的通用托架的前视图;
图7为图4中的通用托架的后视图;
图8为图4中的通用托架的端视图;
图9为安装到柱子上的图2和图3中的系统中的通用托架;
图10为安装在图9中的通用托架上的分插头接线盒;
图11为把图2和图3系统中的通用托架固定到柱子上的另外一种安装配置;
图12为固定到光纤或铜电缆等线缆束上的图2和图3系统中的通用托架;
图13和图14示出了图2和图3的分插头接线盒安装系统,其中的通用托架安装到传统栅格结构式托架上;
图15示出了图2和图3的分插头接线盒安装系统,其中的通用托架安装到传统吊架上;
图16为安装到手孔边缘的图2和图3系统中的通用托架;
图17为固定到紧固于手孔边缘的通用托架中的分插头接线盒;
图18为根据本发明原理的第二分插头接线盒安装系统,它的通用托架带有一个可选的闩锁结构;以及
图19为根据本发明原理的第三分插头接线盒安装系统,该系统包括具有另外一种闩锁配置的通用托架;以及
图20为根据本发明原理的第四分插头接线盒安装系统,该分插头接线盒安装系统包括具有又一种闩锁系统的通用托架。
具体实施方式
图2和图3示出了一种分插头接线盒安装系统220,其具有作为根据本发明原理的创造性方面的具体示例的特征。该分插头接线盒安装系统220包括一个通用托架222,其适用于连接到诸如柱子、缆线束和手孔等多种不同的结构。通用托架222限定出一个支架224,在支架中固定分插头接线盒226。通用托架222包括一个柔性闩锁228,它通过卡扣式连接把分插头接线盒226保持到支架224中。
使用系统220时,先把通用托架222固定到需要安装分插头接线盒226的结构上。通用托架222一般是用诸如捆扎带、系带或紧固件(例如,螺栓、螺钉或其他紧固件)这样的紧固元件连接到该结构上。一旦通用托架222被固定到该结构上,分插头接线盒226就能被卡合在通用托架222的支架224上,这样通用托架222就起到了把分插头接线盒226固定到结构上的作用。这种安装配置降低了在安装过程中损坏分插头接线盒226的风险,因为紧固件不需要穿过分插头接线盒226本身。
分插头接线盒安装系统220具有多种优点。例如,通用托架222可以被能通用地安装到诸如柱子、线缆束和手孔等各种不同的结构上。这将减少所需订购材料和安装人员随身携带的材料的数量。通用托架配置还可以缩短安装时间,并使把系统安装到特定结构上所需的紧固件的数量最小化。该系统还适合于用传统类型的紧固件(例如,螺钉、捆扎带和系带)固定到结构上,安装人员通常随身带有这些紧固件。通用托架222还与现有的传统托架兼容,安装人员可能在现场会遇到这些已经安装的传统托架。此外,在运输过程中,可以把托架222安装到分插头接线盒226上,以便节省空间。
参考图2和图3,分插头接线盒226包括具有底座230和盖子232的外壳229。盖子232上安装了多个适配器234。适配器234包括可以从外壳229外部接近的外部接口236,适配器234还包括可以从外壳229内部接近的内部接口。当未连接分插头线缆时,外部接口236被塞子238盖住。内部接口接收与连入外壳229内部的相应线缆240(例如,分支线缆)的光纤相对应的连接器。可在2005年3月8日提交的申请号为11/075,847的申请中找到有关分插头接线盒226的更详细的信息,其全部内容在此引入作为参考。
仍参考图2,外壳229包括位置相反的第一端242和第二端244。线缆240通过第一端242进入分插头接线盒226的外壳229。第一端242处有加大的耳部246。加大的耳部246上有通孔248,用来容纳螺钉或螺栓等紧固件。
在第二端244处还有一个通孔250,通孔250也可以用来容纳紧固件。外壳229还包括一个端耳部252和两对侧耳部254。耳部252和254位于外壳229的外缘,并限定出通槽255,用来接纳捆扎带和系带等紧固元件。
参考图4—8,通用托架222被描述为一件式塑料结构。托架222包括带有前侧262(如图4和6所示)和后侧264(如图7所示)的基部260。基部260沿在第一端266到第二端268间延伸的长度L方向是细长的。基部260还包含沿第一端266和第二端268之间的长度L延伸的侧边缘270、272。
通用托架222包含限定出支架224的结构。例如,托架222包括第一端壁274和第二端壁276。第一端壁274从基部260的前侧262向外突出,并与基部260的第一端266相邻。第二端壁276从基部260的前侧262向外突出,并与基部260的第二端268相邻。托架222还包括侧壁278和280,它们相应地沿着基部260的侧边缘270和272延伸,并从基部260的前侧262向外突出。如图5清楚所示,侧壁278和280的高度低于端壁274和276的高度。如图8所示,侧壁278和280中设有中央断裂或缺口282和284。当需要把分插头接线盒226从支架224上拆除时,可通过缺口282的间隙轻松地抓住分插头接线盒226。缺口282和284向内开口,如图6所示,这将提供一个间隙。以便接收传统托架的元件,如所选的吊架286的插片285(参见图15)。
端壁274、276和侧壁278、280联合确定了支架224的壁结构的尺寸和形状,以便接收分插头接线盒226。在所述的具体实施例中,端壁274、276和侧壁278、280一起沿着分插头接线盒226的大部分周边延伸。第一端壁274包括带切口的区域277,以为接收分插头接线盒226的缆线240提供空间。
通用托架222还包括在支架224中固定/保持分插头接线盒226的结构。例如,托架222包含阻挡片290,它与第一端壁274一起形成凹槽292,以接收分插头接线盒226的第一端242。另外,托架222的柔性闩锁228安装在基部260的第二端268处。闩锁228包括位于壁276上的两个竖直槽231之间的柔性闩锁件229。闩锁件229是悬臂结构,它有两个与壁276成为一体的基端233和一个自由端293。基端233由壁276上的开口235彼此分开。斜坡表面294与闩锁件229的自由端293相邻,阻挡台阶295与斜坡表面294相邻。如图4所示,开口235位于阻挡台阶295的正下面。
要把分插头接线盒226安装到支架224中,先把分插头接线盒外壳229的第一端242插入凹槽292,然后向通用托架222方向转动分插头接线盒226。随着分插头接线盒226向通用托架222方向转动,外壳229的后耳部252与闩锁228的斜坡表面294接合,使闩锁向外弯曲。闩锁228继续向外弯曲,直到端耳部252经过闩锁228的阻挡台阶295。当端耳部252经过闩锁228的阻挡台阶295时,闩锁228卡回到锁定位置,在此处阻挡台阶295与端耳部252重叠以将分插头接线盒226锁定到位。一旦安装到支架224内部,闩锁228的阻挡台阶和凹槽292的阻挡片290就会阻止分插头接线盒226从通用托架222上意外分离。
要想从通用托架222上拆除分插头接线盒226,可以手动把闩锁228向外弯曲到释放位置,在与缺口282、284相邻的位置抓紧分插头接线盒226。然后,随着闩锁228进入释放位置,分插头接线盒226就可以从通用托架222转开,并滑出凹槽292。
通用托架222还包含其他的特征,以轻松地把通用托架222安装到诸如柱子、手孔和线缆束等不同类型的结构上。例如,基部260上布置了多个通孔300,他们从基部260的前侧262穿透到后侧264。在前侧262上通孔300的周围有埋头孔台阶或凹坑302,以便为接收如螺栓或螺钉头等结构提供间隙。通孔300通常位于基部260的周边。例如,如图所示,三个通孔300沿着每个侧边缘270、272分布,两个通孔300与第一端266相邻,两外两个通孔300与第二端268相邻。通孔300用来接收把通用托架222固定到诸如手孔边缘等结构上的紧固件(例如,螺钉或螺栓)。例如,在图16和17中所示,用三个螺钉304把通用托架222安装到手孔边缘306上。几个螺钉304被插入了位于通用托架222上沿着侧边缘270分布的通孔300中的三个中。螺钉头凹进该三个通孔300周围的凹坑302中。
通用托架222还包含两个捆扎带接收器308。捆扎带接收器308通常沿着通用托架222的中心线分布。如图4所示,每个捆扎带接收器308都包含一个捆扎带接收件310,它相对于基部260的前侧262凹进。捆扎带接收件310(例如,环)限定出接纳捆扎带的槽312。捆扎带接收件310具有与基部260合成一体的端部311。使用的时候,捆扎带通过捆扎带接收器308很容易地把通用托架222固定到柱子或缆线束等结构上。例如,如图11所示,两条捆扎带314把通用托架222固定到了柱子316上。捆扎带314绕在柱子上同时穿过捆扎带接收器308的槽312。当捆扎带314穿过槽312的时候,捆扎带接收件310被约束在了捆扎带314和柱子316之间。通过这种方式,通用托架222被牢固地固定在了柱子316上。如图12所示,也可以用捆扎带接收器308把通用托架222固定到线缆束330(例如,光纤或铜电缆)上。如图12所示,系带331穿过槽312并绕在线缆束330上,以把通用托架222固定到线缆束330上。
捆扎带接收件310还包含其他的特征,可用来把通用托架222安装到柱子或其他结构上。例如,每个捆扎带接收件310包括第一通孔318和第二通孔320。第二通孔320包括一个加固凸台322。如图9所示,紧固件如螺钉324可以插入通孔318并钻入柱子316,以把通用托架322固定到柱子316上。接收件310的凹陷特征可以使螺钉324的头部相对于基部260的前侧262凹进。通过通孔320可以把通用托架322很容易地连接到栅格结构式托架等传统的托架上。例如,如图13和14所示,自攻螺钉326插入栅格结构式托架328的开口中,并钻入通孔320的加固凸台322中,以把通用托架322固定到栅格结构式托架328上。在某些实施例中,通孔320与分插头接线盒226外壳上的加固凸台对齐。通过这种方式,使用更长的自攻螺钉,螺钉可以钻透加固凸台322并进入分插头接线盒上的凸台,可以提供更牢靠的连接。此种类型的连接还提供其他方法把分插头接线盒226固定到支架224中。
再次参考图4和图6,通用托架222还包含两个扩大的通孔340,它们一般位于通用托架222的中心线上。扩大的通孔340与通孔300相比直径较大,适用于接收较大的紧固件,如方头螺栓。扩大的通孔340还包含埋头孔凹坑342,以便接纳插入通孔340的紧固件的头部。可用插入通孔340的紧固件把通用托架222固定到柱子等结构上。
对于某些应用,安装人员可能希望使用一种能同时利用通用托架222和分插头接线盒226上提供的固定结构的固定技术。要实现这种可能,通用托架222包含了与分插头接线盒226上的通孔248和250对齐的通孔。例如,通用托架222上的其中一个扩大的通孔340与分插头接线盒226上的通孔250对齐。同样,阻挡片290上的通孔360与分插头接线盒226上的通孔250对齐。基部260在阻挡片290下部具有开口(例如,图7中的切口291),以便为使用紧固件提供间隙,使它能够穿过阻挡片290而不被基部260阻挡。分插头接线盒和通用托架222之间的通孔对齐使安装人员能够把紧固件插入分插头接线盒226和通用托架222并进入要安装分插头接线盒的结构。在此种类型的配置中,紧固件在通用托架222中为分插头接线盒提供辅助阻挡的作用。
再次参考图4,侧壁278和280还限定出一对通沟槽370,它们从基部260的前侧262向外延伸。沟槽370与分插头接线盒226的侧耳部254限定的槽355对齐(参见图3)。通过这种方式,可以把系带从沟槽370和侧耳部254的槽255中穿过打成环,以为把分插头接线盒226固定在支架224中提供辅助阻挡作用。槽370也可以被用来接收传统吊架286的插片285(参见图15),以便把支架224固定到吊架286。
图18—20为具有根据本发明原理的创造性特征的可选通用托架222A、222B和222C。经过修改的托架222A包括两个弹性闩锁228A,当把分插头接线盒安装在托架内时,闩锁可以卡合在分插头接线盒226的前侧上。经过修改的通用托架222B包含两个弹性闩锁228B,当把分插头接线盒226安装在托架222B内时,闩锁可以卡合在分插头接线盒226的侧耳部254上。经过修改的通用托架222C包含四个弹性闩锁228C,当把分插头接线盒安装在通用托架222C内时,闩锁可以卡合在分插头接线盒226的侧耳部254上。
虽然使用卡合配置把分插头接线盒固定在支架内是首选配置,但应该意识到,也可使用其他固定结构。例如,还可以使用如螺钉、捆扎带、系带这样的紧固件或其他结构来把分插头接线盒固定在通用托架的支架上。
从上述详细描述中可以看出,显然可以在不背离本发明的精神或超出本发明范围的情况下对本发明所公开的装置进行修改或变化。
Claims (15)
1.一种分插头接线盒安装系统,包括:
分插头接线盒,包括具有盖子和底座的分插头接线盒外壳;
被安装到所述分插头接线盒外壳上的多个光纤适配器,光纤适配器具有可以从分插头接线盒外壳外部接近的外部接口;
托架,其包括用于接收分插头接线盒的支架,其中所述托架包括具有前侧和后侧的基部,其中托架的支架位于基部的前侧,其中所述托架沿着在托架的第一端和第二端之间延伸的长度方向上是细长的,其中支架由壁结构限定,该壁结构包括位于托架的第一端且从基部的前侧向外延伸的第一端壁,和位于托架的第二端且从基部的前侧向外突出的第二端壁,以及从基部的前侧向外突出并在托架的第一端和第二端之间延伸的侧壁。
2.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述分插头接线盒外壳沿着在分插头接线盒外壳的第一端和第二端之间延伸的长度方向上是细长的,其中所述托架在托架的第一端处限定出凹槽,并且单个弹性闩锁位于托架的第二端处,并且其中当分插头接线盒外壳位于托架的支架内时,分插头接线盒外壳的第一端被保持在托架的凹槽中,分插头接线盒外壳的第二端被所述单个弹性闩锁保持,其中所述分插头接线盒通过单个弹性闩锁提供的卡合连接被保持在支架内。
3.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述托架为一件式塑料结构。
4.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述托架包括捆扎带接收器,同时也包括用于接收紧固件的通孔。
5.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述基部限定出在基部的前侧和后侧之间延伸的通口,以便接收紧固件。
6.根据权利要求5所述的分插头接线盒安装系统,其特征在于,所述通口中至少有几个沿着基部的周边布置。
7.根据权利要求6所述的分插头接线盒安装系统,其特征在于,所述通口中至少有几个通口沿托架的中心线排列。
8.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述托架包括至少一个捆扎带接收器,以便在基部的后侧接收捆扎带。
9.根据权利要求8所述的分插头接线盒安装系统,其特征在于,所述捆扎带接收器包括一个捆扎带接收件,其限定出用于接收捆扎带的槽,并且其中捆扎带接收件还限定出至少一个用于接收紧固件的通口。
10.根据权利要求9所述的分插头接线盒安装系统,其特征在于,所述托架包括一个与捆扎带接收件的通口对齐的加固凸台。
11.根据权利要求8所述的分插头接线盒安装系统,其特征在于,所述托架包括至少两个沿着托架中心线排列的捆扎带接收器,以便在基部的后侧接收捆扎带。
12.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述侧壁限定出从基部的前侧向外延伸的通沟槽。
13.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述侧壁限定出位于支架的中间区域的缺口。
14.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述托架包括位于托架的第一端处的阻挡凹槽以及位于托架第二端处的弹性闩锁。
15.根据权利要求1所述的分插头接线盒安装系统,其特征在于,所述托架包括便于把托架安装到柱子、线缆束或手孔边缘的装置。
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PCT/US2007/008453 WO2007117531A1 (en) | 2006-04-05 | 2007-04-04 | Universal bracket for mounting a drop terminal |
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- 2007-04-04 BR BRPI0710576-2A patent/BRPI0710576B1/pt not_active IP Right Cessation
- 2007-04-04 CN CN2007800158865A patent/CN101501546B/zh not_active Expired - Fee Related
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- 2008-12-05 US US12/329,254 patent/US7844160B2/en active Active
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2010
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US8218935B2 (en) | 2012-07-10 |
US20090190895A1 (en) | 2009-07-30 |
BRPI0710576B1 (pt) | 2019-09-17 |
HK1133464A1 (en) | 2010-03-26 |
US7477824B2 (en) | 2009-01-13 |
EP2008138A1 (en) | 2008-12-31 |
US7844160B2 (en) | 2010-11-30 |
CN101501546A (zh) | 2009-08-05 |
EP2008138B1 (en) | 2017-01-11 |
BRPI0710576A8 (pt) | 2019-01-02 |
WO2007117531A1 (en) | 2007-10-18 |
US20070237484A1 (en) | 2007-10-11 |
ES2620738T3 (es) | 2017-06-29 |
BRPI0710576A2 (pt) | 2011-08-16 |
US20110123166A1 (en) | 2011-05-26 |
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