CN111108041B - 用于公共设施库盖用的识别标牌的单侧紧固系统 - Google Patents

用于公共设施库盖用的识别标牌的单侧紧固系统 Download PDF

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CN111108041B
CN111108041B CN201980003624.XA CN201980003624A CN111108041B CN 111108041 B CN111108041 B CN 111108041B CN 201980003624 A CN201980003624 A CN 201980003624A CN 111108041 B CN111108041 B CN 111108041B
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迈克尔·A·莱马科斯
蒂莫西·S·沙弗拉内克
克里斯托弗·M·沃森
爱德华·J·布尔克
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Abstract

本发明涉及一种用于将具有柱的识别标牌从用于公共设施库的盖的单侧附接至盖的紧固件,该紧固件包括用于定位在盖中的孔内的本体部分,该紧固件具有用于将紧固件保持至盖的突起和用于防止紧固件过度插入到盖中的孔中的凸部以及延伸穿过或部分穿过本体部分以用于接纳并摩擦保持和/或机械互锁识别标牌的柱的钻孔。

Description

用于公共设施库盖用的识别标牌的单侧紧固系统
技术领域
本发明涉及用于识别标牌的紧固件系统,该识别标牌用于在各种工业中使用的地下、地面(grade-level)或地上库上使用的盖或覆盖物。
背景技术
在公共设施、安全和铁路线路部门或其他行业中使用的地下或掩埋的库、井室或箱可以容纳同轴或光导纤维、铜缆以及天然气管线、水管线和电力管线以及其他管道、工业阀、WI-FI天线等。用于地下公共设施的库和井经常需要打开以进行维修或进行加强服务。典型地,公共设施库和井包括由在一个端部处带有钩的工具或镐来打开的混凝土盖、聚合物混凝土盖、复合材料盖或塑料盖。该盖在盖的上表面上包括识别标牌或“盘状件”来识别库的所有者、或其他信息比如行业的类型、或容纳在库中的设备。
在使用地下箱的过程中,覆盖物或盖可以安装在大约地面处。由各种材料——比如,塑料、混凝土、聚合物混凝土和纤维增强复合物——制成的这些覆盖物或盖通过各种器具比如直螺栓或L形螺栓等被固定就位。螺栓通常穿过覆盖物并进入到地下箱中,在地下箱中,螺栓被旋拧到保持螺母或类似装置中从而将覆盖物紧固至箱。
先前,已经制造出了带有模制到盖上的所有者或行业信息的公共设施库盖。模制的信息限制了将产品重定向至不同用户或在交付之前建立要被贴标签的通用清单的能力。因此,由于公共设施库及公共设施库的相关联的盖在许多行业和客户中使用,因而制造商生产不带有客户或行业特定识别的盖。一旦库及对应的盖被出售给终端客户并投入使用,识别标牌就被定位在盖上。通常,识别标牌是具有柱的标签,该柱然后被定位在穿过盖设置的孔内,并且将紧固件从盖的底表面定位在柱上以将标签保持在盖上。
关于该类型的紧固方法的问题包括需要触及盖的两个侧面来安装识别标牌。根据库和相关联的盖的尺寸,这种安装方法对于特别大的盖而言是难处理的。此外,这种方法需要使用工具,并且诸如带螺纹螺母的传统紧固件将变松弛并掉进库中,进而潜在地损坏昂贵的设备。此外,识别标签可能变得与盖断开接合。尽管已经还使用粘合剂来保持识别标牌,但是粘合剂通常会失效,从而导致被许多公共设施和代理商取缔。
除了紧固和保持问题之外,与该紧固方法相关联的另一问题是没有用于在盖上对标签进行定向从而允许标签在安装期间或通过实际使用旋转的设置,使得标签上的信息的解释更加难以阅读。这种方法导致需要具有用于标牌的完全独立的定向特征和与柱间隔开的盖,从而增加了制造的成本和复杂性。
因此,存在对于一种用于将识别标牌附接至用于地下、地面或地上库、井、室或箱的盖或覆盖物的解决先前紧固系统的缺点的改进的紧固系统的需要。
发明内容
本发明是一种用于识别标牌的紧固系统,该识别标牌用于地下、地面或地上库、井、室或箱用的覆盖物或盖,该紧固系统解决了现有紧固系统的问题,并且可以容易且不昂贵地实现标牌至盖的附接和定位。本发明包括一种紧固系统,该紧固系统包括单侧推动螺母或快拧螺母(speed nut)保持件,该单侧推动螺母或快拧螺母保持件为减少失效机会并且允许在不使用粘合剂的情况下将标牌单侧地附接及定向至盖的无工具紧固件。
在一个实施方式中,紧固件是定位在用于库的盖中的通孔或盲孔内的一侧进入式推动螺母或快拧螺母保持件。紧固件将包括将紧固件保持至盖中的孔的内部的倒钩或其他特征部,并且紧固件在紧固件内包括用于对识别标牌进行适当定向的引导特征部(indexing feature)。识别标牌典型地是成形为具有柱的盘状件,其中,柱在没有工具的情况下插入到紧固件中并通过摩擦配合和/或嵌入到配合材料中或互锁到诸如槽、凹口、槽口和环之类的特征部和/或凸起的特征部中的插脚来固定至紧固件。识别标牌上的柱将包括用于接合紧固件中的引导特征部的槽或槽道以用于将标牌相对于盖适当定向。紧固件还包括防止紧固件过度插入到盖中的孔中的凸缘或唇缘。
在另一实施方式中,本发明包括位于识别标牌上的带凸部的柱,该带凸部的柱插入到盖中的对应成形的配合孔中,使得识别标牌仅可以以一种方式插入到孔中。柱的几何形状可以包括多个凸部以确保适当的定向。柱通过摩擦/干涉和/或压缩配合来保持在盖中的孔内。盖中的孔将以与识别标牌上的柱的几何形状相对应的方式被键连接。
本发明的紧固系统的优点在于该紧固系统允许制造商、分销商或客户储备常见的库和盖,然后能够于安装过程中在不将盖从库拆卸的情况下且在不需要工具或不需要触及盖的背部的情况下添加客户或特定的行业识别标牌。通过参照以下详细描述和附图,将更清楚地理解本发明的这些及其他方面。
附图说明
图1是结合有本发明的紧固系统的公共设施库和盖的立体图;
图2是图1的盖的分解立体图;
图3是图1的盖的横截面图;
图4是本发明的紧固件的立体图;
图5是本发明的替代性紧固件的立体图;
图6是本发明的第二替代性紧固件的立体图;以及
图7是本发明的第三替代性紧固件的立体图。
具体实施方式
参照图1,图示了典型的公共设施库10和对应的具有识别标牌14的盖12。识别标牌14在识别标牌14的表面上具有识别标记16,比如所有者或其他行业具体信息。另外,如图2中所示,识别标牌14包括延伸到孔20中的柱18,孔20另外如图3中示出的那样延伸穿过盖。盖12包括凹入部分22,凹入部分22用于接纳标牌14,使得标牌与盖的顶表面24齐平。本发明结合有定位在孔20内的紧固件26,紧固件26接纳柱18以将标牌14固定至盖12。
盖12可以由混凝土、聚合物混凝土、铸铁、镀锌钢、塑料或玻璃纤维增强的聚合物基体材料制成,其中,玻璃纤维增强的聚合物基体材料由不饱和聚酯热固化树脂基体、玻璃纤维增强物和无机或矿物填料组成。库10也可以由这些材料中的任何材料制成。盖包括定位在盖的相对拐角中的通孔28和30。紧固件被结合以将盖牢牢地附接至库。盖还包括开口32,开口32如本领域中已知的用于接纳钩以将盖从库移除。
参照图4,图示了第一实施方式的紧固件34。紧固件34在紧固件的相反两侧具有大体筒形的本体部分36。定位在每个本体部分36之间的是挠性凸缘38,挠性凸缘38具有定位在凸缘的下端部上的突起40。紧固件具有凸部(lobe)42,凸部42从两侧的本体部分36径向向外延伸并且定位在紧固件的上部部分处以防止紧固件过度插入盖中的孔20内。紧固件具有钻孔或孔44,该钻孔或孔44延伸穿过紧固件或部分地穿过紧固件并且该钻孔或孔44被例如图示为用于接纳柱18的具有六个侧面的六边形孔,但是用于该钻孔的任何几何形状都将足够。从钻孔的侧面中的一个侧面延伸有引导特征部46并且引导特征部46延伸到钻孔中以用于被沿着柱18的长度延伸的引导槽48接纳。引导特征部和槽彼此对准以在将标牌14安装到盖中时适当地引导标牌14。
如图3中所示,紧固件34是单侧进入式紧固件,该单侧进入式紧固件通过凸缘38和突起40在插入期间从盖的顶表面压缩到孔中使得在被安装时突起40弹出并连接至盖的与孔相邻的下侧部而在无工具的情况下被用手定位在孔中。凸部42接合凹口22以防止过度插入孔中。然后,识别标牌通过摩擦配合被压配合到紧固件中并且通过将引导特征部46接纳在柱中的槽48内而被引导。钻孔44的侧面可以是渐缩的,以进一步提供摩擦配合。紧固件34典型地由诸如ABS的热塑性材料或诸如尼龙的其他挠性材料或包含玻璃纤维或石墨的复合材料构成。
参照图5,图示了替代性实施方式的紧固件50。紧固件50包括大体筒形的本体部分52,本体部分52具有围绕本体间隔开的多个突起54以及围绕下表面定位的倒钩56。顶部包括环形环58并且紧固件包括允许紧固件在被从盖的顶表面插入到盖中的孔22中时压缩的分裂部段60。当被定位在孔中并且突起54可以离开(clear)孔22的底部时,紧固件弹开并且突起接合孔22的底部、或者可以嵌入到孔22的表面中、或者可以锁定到孔22的表面中的环形槽55或孔22的表面中的其他凹入或凸起的特征部中。接合孔22的这些各种方法允许用于通孔或盲式非通孔中。环58搁置在凹口22上以防止过度插入。突起54将紧固件在盖上的孔内锁定就位。紧固件包括用于接纳柱18的筒形钻孔62。在钻孔62内定位有引导特征部64,引导特征部64用于被柱中的槽道48接纳,从而确保在安装期间对标牌14的适当引导或辨别(clocking)。钻孔62定尺寸成当标牌在无需工具的情况下安装且倒钩56接合柱时为柱18提供摩擦配合。
参照图6,图示了另一替代性实施方式的紧固件64。紧固件64包括大体筒形的本体部分66,本体部分66具有从本体部分66向下延伸并间隔开的多个凸缘或插脚68。图6图示了三个插脚68,然而,也可以利用另一数目的插脚。每个插脚68包括将在盖中的孔20的底端部下方延伸的成角度的端部部分70。在使用中,标牌的柱18将会将成角度的部分向外推,使得成角度的部分的底端部将接合柱并且成角度的部分的上端部将接合盖的位于孔20周围的底表面。围绕本体部分66的顶部间隔有突起72以防止紧固件64过度插入到孔中。本体部分66包括分裂部段74,并且与分裂部段74的两侧相邻的本体部分68是向内弯曲部76,使得当将紧固件64定位在类似几何形状的孔内时一旦被安装便防止紧固件和标牌的旋转。弯曲部分76还可以用作用于标牌的引导功能部,或者标牌可以利用本领域公知的单独的引导特征部。
参照图7,图示了另一替代性实施方式的紧固系统78。在该实施方式中,柱80具有带凸部构型,其中,多个凸部82形成为柱。在图6的实施方式中图示了三个凸部,但是应当理解的是,可以将任何数目的凸部结合到柱中。在该实施方式中,盖12中的孔20将具有用于接纳凸部的对应的几何形状,并且凸部将被制造成使得安装仅可以发生在一个取向上从而实现引导要求。在该实施方式中,对应的孔20将定尺寸成为柱68提供摩擦/干涉和/或压缩配合,从而使较软的材料流动到环形槽84中或类似的特征部中以实现部件的形状配合式机械互锁。
本发明的紧固系统提供了在无工具的情况下将识别标牌从盖的仅一侧安装到通孔或盲孔中的优点。紧固系统提供了引导特征部以确保标牌的正确安装并且一旦安装就防止标牌移动。
尽管已经针对用于使识别标牌进入用于公共设施库的盖中的紧固系统描述并说明了本发明,但是应当理解的是,本发明构思的其他应用也是可能的。本发明实现通过需要触及被紧固在一起的部件的仅一侧且在不使用工具的情况下将各部件快速附接在一起。其他应用可以包括:电子部件、比如被压入到电路板或者附接至壳体的电路板中的螺钉或其他紧固件、木制部件比如木钉和盲孔、塑料部件比如插入到用于容器的孔中的塑料销。尽管已经针对于筒形钻孔或六角形钻孔说明了本发明的紧固件,但是应当理解的是,该紧固件可以容易地构造成以其他几何形状比如三角形、正方形、椭圆形或其他柱和孔构型工作。尽管已经针对于本发明的各种实施方式公开并说明了本发明,但是应当理解的是,可以在本发明中作出变型和改型,这些变型和改型在如所附所要求的本发明的全部预期范围内。

Claims (5)

1.一种用于将具有柱的识别标牌从用于库的盖的单侧附接至所述盖的紧固系统,所述紧固系统包括:
紧固件,所述紧固件具有用于定位在所述盖中的孔内的非挠性的本体部分,
所述紧固件具有至少一个挠性凸缘,所述至少一个挠性凸缘定位在所述本体部分之间并且未附接至所述本体部分,所述至少一个挠性凸缘在所述紧固件插入所述孔中时独立于所述本体部分而挠曲,
所述挠性凸缘具有突起,所述突起在所述挠性凸缘的端部处延伸以用于将所述紧固件保持至所述盖的下部部分,
所述紧固件具有多个凸部,所述凸部从所述本体部分径向向外延伸以用于防止所述本体部分过度插入到所述盖中的所述孔中;以及
钻孔,所述钻孔延伸穿过所述本体部分以用于接纳并摩擦或机械保持所述识别标牌的所述柱;
其中,所述识别标牌在不使用粘合剂的情况下被附接。
2.根据权利要求1所述的紧固系统,其中,所述至少一个挠性凸缘包括彼此间隔开并且定位在所述本体部分之间的两个挠性凸缘。
3.根据权利要求1所述的紧固系统,其中,所述钻孔具有多角形构型。
4.根据权利要求1所述的紧固系统,其中,所述钻孔包括引导凸缘,所述引导凸缘远离所述钻孔延伸以用于被位于所述柱上的引导槽接纳。
5.根据权利要求1所述的紧固系统,其中,所述钻孔具有渐缩的表面,所述渐缩的表面具有不一致的厚度。
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