CN108666806B - 互连密封件 - Google Patents
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G15/00—Cable fittings
- H02G15/02—Cable terminations
- H02G15/04—Cable-end sealings
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
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- H01R13/46—Bases; Cases
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
- H01R4/70—Insulation of connections
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G1/00—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines
- H02G1/14—Methods or apparatus specially adapted for installing, maintaining, repairing or dismantling electric cables or lines for joining or terminating cables
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B—PERFORMING OPERATIONS; TRANSPORTING
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- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/34—Electrical apparatus, e.g. sparking plugs or parts thereof
- B29L2031/36—Plugs, connectors, or parts thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
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Abstract
一种用于电缆和连接器互连的密封件,包括一体的弹性本体,该弹性本体具有穿过所述弹性本体的孔。所述孔设置有:在电缆端处的电缆外径密封部分,与所述电缆外径密封部分相邻的连接器腔体部分,与所述连接器腔体部分相邻的联结螺母腔体部分,以及在连接器端处,与所述联结螺母腔体部分相邻的带有闷头密封件的连接器颈部密封部分。所述联结螺母腔体部分与所述连接器的联结螺母的纵向对准,且设置有大于所述电缆外径密封部分和所述连接器颈部密封部分的内径。所述闷头密封件具有的外径大于所述连接器颈部密封部分的外径。
Description
本申请是申请日为2014年6月2日、国际申请号为PCT/US2014/040457、国家申请号为201480021325.6、发明名称为“互连密封件”的中国发明专利申请的分案申请。
技术领域
本发明涉及一种用于环境密封和用于固定电缆和/或设备之间(例如,与设备或封壳互连的馈电和/或控制电缆之间)的互连的装置。
背景技术
电互连件由于环境因素例如湿度、振动、每日温度变化引起的反复膨胀和收缩而导致恶化。
已经使用围绕电互连件的环境密封件例如外部密封封壳,以例如围绕电缆端连接器至电缆端连接器互连件。
现有封壳通常使用刚性哈壳式配置,一旦关闭,则可能难以打开,特别是,当安装在暴露位置如无线电塔上方时。衬套可以用在封壳端处和/或沿着壳的密封周边处。凝胶密封件通常为不可重复使用的和/或在必须更换凝胶密封件前仅具有有限的重复使用次数。
与设备例如天线的连接件通常制造成安装到天线外表面的连接器本体或其他连接组件。因为连接器本体或其他连接组件通常为闷头式的且抵靠表面齐平,所以在任一端逐渐变细到相同电缆直径的电缆对电缆互连密封组件是不能使用的。
弹性本体互连密封件也为人们所熟知。例如,2002年8月6日发布的名称为“Multipurpose Flexible Cable Boot for Enclosing Trunkand Feeder CableConnectors”的美国发明专利6,429,373公开了一种柔性材料密封件,其具有带密封环部的连接器端肩状物,所述密封环部的尺寸被设计成密封设备的圆筒形连接点。然而,所述密封环具有用于与所述设备密封接触的最小纵向范围,且所述密封件的尺寸被设计成包围圆筒形腔体内的所述连接器,对所述圆筒形腔体相对于所述连接器的最大直径的尺寸进行设计以形成相当大的包围区域,倘若发生渗漏,使水分汇集在该区域中。
2008年11月18日发布的名称为“Cable and ApparatusInterconnection CloseQuarters Environmental Seal”的美国专利7,453,042公开了一种带有一体橡胶和/或弹性体圆筒形衬套的密封件,所述圆筒形衬套具有通过附带保持装置关闭的C形外壳。所述互连件可以安置在外壳中,接着通过所述保持装置围绕所述互连件将所述外壳密封。这种配置能够沿标准化连接接口的颈部进行密封。然而,沿着C形本体***的密封区域很广,这可能降低由此产生的密封的长期性能。
电气接口环境密封行业内的竞争集中在可靠性、可重复使用性、易于使用、改进后的温度范围能力以及制造和安装成本的整体降低上。
因此,本发明的一个目的是提供一种克服现有技术中缺陷的装置。
附图说明
并入说明书并组成说明书一部分的附图图示了本发明的实施方式,在此,附图中相同的附图标记指代相同的特征或元件,且不可能对每个附图中出现的相同的附图标记进行详细的描述,同时附图与上文给出的本发明概括描述和下文给出的实施例具体描述一起用于解释本发明的原理。
图1是示例性互连密封件的示意性轴测视图。
图2是图1互连密封件的示意性侧视图。
图3是互连密封件的替代实施方式的示意性轴测视图。
图4是图3互连密封件的示意性电缆端视图。
图5是图3互连密封件的示意性侧视图。
图6是互连密封件的另一替代实施方式的示意性轴测视图,其具有在所述互连密封件的电缆端和连接器端之间延伸的抓持肋。
图7是图6互连密封件的示意性侧视图。
图8是图6互连密封件的连接器端示意图。
图9是沿图8中线A-A截取的图7互连密封件的示意性剖视图,其安装在闷头和连接器端接电缆互连部上。
图10是互连密封件的另一替代实施方式的示意性轴测视图,其具有多个抓持突出部。
图11是图10互连密封件的示意性侧视图。
图12是图10互连密封件的电缆端示意图。
图13是图11互连密封件的示意性剖视图,其安装在闷头和连接器端接电缆互连部上。
图14是互连密封件的另一替代实施方式的示意性轴测视图,其具有多个抓持突出部。
图15是图14互连密封件的连接器端示意图。
图16是图14互连密封件的示意性侧视图。
图17是互连密封件的另一替代实施方式的示意性轴测图,其具有多个抓持肋和抓持突出部。
图18是图16互连密封件的连接器端示意图。
图19是图16互连密封件的示意性侧视图。
具体实施方式
例如图1-19中所示,密封件具有一体的弹性本体3,孔5从弹性本体3中穿过。依次从电缆端7到连接器端9,孔5具有:(a)在电缆端7处的电缆外径密封部分11;(b)与电缆外径密封部分11相邻的连接器腔体部分13;(c)与连接器腔体部分13相邻的联结螺母腔体部分15;(d)与联结螺母腔体部分15相邻的连接器颈部密封部分17;以及(e)在连接器端9处与连接器颈部密封部分17相邻的闷头密封件。
本领域技术人员将理解,电缆端7和连接器端9设置为所述连接器的互连部和各个元件及密封部分沿互连部10纵向轴线的位置参考。因此,每个标识的元件均具有电缆端7和连接器端9,其为每个元件的、沿互连部10的纵向轴线最靠近互连部10的电缆端7和连接器端9的两侧。
连接器颈部密封部分17配置为密封连接器接口23的颈部21,例如,将连接器19的联结螺母25拧到连接器接口23上。连接器接口23可以设置为闷头式连接点,例如图9和13中所示,连接器接口23包括横向于连接器接口23的纵向轴线的闷头表面22。联结螺母腔体部分15设置有大于连接器颈部密封部分17的内径。因此,联结螺母腔体部分15能够围绕联结螺母25,且连接器颈部密封部分17能够接合并密封所选连接器接口23的颈部21,而不需要带有连接器颈部直径增大的非标准连接接口。
本领域技术人员将理解,在联结螺母25和闷头表面22之间延伸的连接器颈部密封部分17提供用于连接器颈部密封部分17的延伸表面以进行密封,这可以改善由此产生的密封。此外,过渡到闷头密封件20的连接器颈部密封部分17的连接器端提供了用于在安装过程中瞬间拉伸连接器颈部密封部分17经过联结螺母25、接着将连接器颈部密封部分17对准就位的牵引表面。闷头密封件20还提供了附带密封表面区域,且可进一步操作以使连接器颈部密封部分17在联结螺母25的电缆端和闷头表面22之间偏置成与颈部21密封接合。为便于抓持,闷头密封件20可以设置成其外径大于连接器密封部分17的外径,例如,等于或大于联结螺母腔体部分15的外径。
其他的外表面特征可以用于加强密封和/或提供用于牵引所述密封件经互连部10并进入纵向对准的密封位置中的抓持表面。例如图1-5中所示,多个抓持片27可以设置为从所述密封件的外径径向伸出。抓持片27可以平行于所述密封件的纵向轴线排列,例如,在所述密封件的电缆端7和联结螺母腔体部分15的连接器端之间延伸。可选择地,所述抓持片可以在所述密封件的电缆端和连接器端之间延伸,例如图6-9中所示。
当使用两个抓持片27时,抓持片27可以在沿着所述密封件的纵向截面的相对侧处排列,例如图1和2中所示。当使用四个抓持片27时,抓持片27可以围绕所述密封件的圆周以彼此相等距离排布,例如图3-5中所示。
例如图10-16中所示,所述外表面特征也可以实施为从密封件径向伸出的抓持突出部29,例如,横向于纵向轴线排列。抓持突出部29可以实施为例如接近电缆端7、连接器腔体部分13、联结螺母腔体部分15的电缆端和/或联结螺母腔体部分15的连接器端。抓持突出部29可以在所述密封件相对侧处排列和/或围绕所述密封件的圆周彼此等距排布。
抓持突出部29也可以与抓持片27结合,例如图17-19中所示。
本体3可以由材料的一体部分形成,所述材料具有如注射成型硅橡胶、热塑性弹性体、模塑闭孔泡沫等具有合适的密封、环境阻力和稳定性特征的弹性特性。因此,本体3具有合适的硬度以保持各部分使用前的尺寸,同时也设置有弹性特性,使得至少连接器颈部密封部分17能够在将密封件安装在互连部10上的过程中拉伸经过连接器19的联结螺母25,从而使联结螺母腔体部分15与连接器19的联结螺母25纵向对准。
电缆外径密封部分11和/或连接器颈部密封部分17可以设置有光滑圆筒形内侧壁。因此,电缆外径密封部分11和电缆31的外径之间和/或连接器颈部密封部分17和连接器接口23的颈部21之间的接触面积最大化,从而其间的密封件具有最大的可能接触面积来阻止渗漏,且发生的任何渗漏不具有使液体可以沿着各自密封表面的范围汇集在其内的区域。此外,沿着所述互连部长度位于所述密封件和所述互连部之间的紧密接触使所述密封件内的任何腔体的形成最小化,且随时间的推移,水分可在此处如通过凝聚汇集。
为了在电缆和连接器互连部10上安装密封件,本体3可以施加在电缆31上,且在将连接器19附接至本体3之前远离电缆末端行进。或者,本体3可以拉伸以使带有已附接的电缆31的连接器19能够***通过孔5。一旦连接器19耦接至所需的连接接口23,例如天线的闷头连接器等(见图9和13),连接器颈部密封部分17可以拉伸经过连接器19的联结螺母25以抵靠连接接口23的颈部21密封,并使闷头密封件20抵靠闷头表面22(如果存在)密封。因此,电缆31至连接接口23的互连通过单一本体3既在电缆至连接器互连处环境密封,也在连接器至连接接口互连处环境密封。
由于所述密封件的每一部分行进经过互连部10,抓持片27和/或抓持突出部29的存在可以通过提供备用的抓持表面协助所述密封件的拉伸以进行安装和/或移除。因为抓持片27和/或抓持突出部29具有有限的周边范围,所以它们不会阻止所述密封件不同部分的形变以用于瞬间拉伸/行进经过互连部10。
本领域技术人员将理解,电缆31和例如连接器19相对于端接连接接口23的相对尺寸仅是示例性的。可选择地,较大电缆和相应的连接器可以端接在相对小的连接接口23上。
本体3可以通过例如注射成型由液体注射成型硅橡胶、液体硅橡胶、热塑性弹性体和模塑闭孔泡沫中的一种进行制造。这些材料的弹性特性能够成型而无需利用成本高昂且易塌陷的芯模部分。此外,将抓持片27和/或抓持突出部29与模具分离平面对准可以简化模具分离和/或最小化任何可能存在的边缘溢料的出现。
从上文描述的内容,显然所述密封件给本领域带来了改进后的密封件,例如,其可用于标准化连接器接口的闷头式互连部的可重复使用的密封。由此产生的密封件可进一步使得制造和/或安装效率大大提高。
部件一览表
在上文描述中,已经提及的比例、整数、部件或模块具有已知等效物,而且这些等效物包括在本文中,如同被各自阐明一样。
尽管本发明通过其实施例的描述进行了阐述,且对该实施例进行了相当详细的描述,但是约束或以任何形式限制所附权利要求的范围及细节并非本申请人的意图。其他的优势和修改对本领域技术人员是显然的。因此,从更广义方面来讲,本发明并不限于特定的细节、有代表性的设备、方法及所图示并描述的实施例。因此,在不偏离申请人总体发明概念的精神或范围的情况下,可以偏离这些细节。此外,未偏离以下权利要求限定的本发明范围或精神的改进和/或修改是可以理解的。
Claims (4)
1.一种用于密封由连接器端接的电缆和闷头连接器之间的互连部的方法,该方法包括以下步骤:
提供密封件,所述密封件包括:一体的弹性本体,该弹性本体具有穿过所述弹性本体的孔;所述孔设置有:在电缆端处的电缆外径密封部分、与所述电缆外径密封部分相邻的连接器腔体部分、与所述连接器腔体部分相邻的联结螺母腔体部分、与所述联结螺母腔体部分相邻的连接器颈部密封部分、以及设置在连接器端的闷头密封件;所述联结螺母腔体部分与所述连接器的联结螺母沿纵向对准,且具有大于所述连接器颈部密封部分的内径;以及所述闷头密封件的外径大于所述连接器颈部密封部分的外径;所述密封件还包括在周向上不连续的多个抓持片,这些抓持片围绕所述弹性本体的圆周布置且从所述弹性本体沿径向伸出;
将所述电缆***通过所述孔;
将所述连接器和所述闷头连接器互连以形成连接器至闷头连接器的互连部;
沿相反方向拉拽所述多个抓持片中的两个抓持片,以拉伸所述密封件;
将拉伸后的所述密封件安置于所述连接器至闷头连接器的互连部上,所述联结螺母腔体部分与所述连接器的联结螺母沿纵向对准,所述连接器颈部密封部分密封所述闷头连接器的颈部,且所述闷头密封件与所述闷头连接器的闷头部分邻接。
2.如权利要求1所述的密封件,其中,所述多个抓持片靠近所述电缆端、所述连接器腔体部分、所述联结螺母腔体部分的电缆端和所述联结螺母腔体部分的连接器端中之一。
3.如权利要求1所述的密封件,其中,存在两个这样的抓持片:这两个抓持片位于所述密封件的相对侧处,并且靠近所述连接器腔体部分、所述联结螺母腔体部分的电缆端和所述联结螺母腔体部分的连接器端中之一。
4.如权利要求1所述的密封件,其中,存在四个这样的抓持片:这四个抓持片围绕所述密封件的圆周彼此等距排布,并且靠近所述连接器腔体部分、所述联结螺母腔体部分的电缆端和所述联结螺母腔体部分的连接器端中之一。
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CN105144497A (zh) | 2015-12-09 |
CN108666806A (zh) | 2018-10-16 |
US9616602B2 (en) | 2017-04-11 |
US10164419B2 (en) | 2018-12-25 |
EP3020100A4 (en) | 2016-07-20 |
US20170207616A1 (en) | 2017-07-20 |
WO2015005988A1 (en) | 2015-01-15 |
EP3451464B1 (en) | 2020-04-29 |
EP3020100A1 (en) | 2016-05-18 |
US20190115744A1 (en) | 2019-04-18 |
EP3020100B1 (en) | 2018-10-31 |
CN105144497B (zh) | 2018-06-29 |
US10630065B2 (en) | 2020-04-21 |
US20150017827A1 (en) | 2015-01-15 |
EP3451464A1 (en) | 2019-03-06 |
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