CN102597542B - 塑料盖面板紧固件的制造方法 - Google Patents

塑料盖面板紧固件的制造方法 Download PDF

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CN102597542B
CN102597542B CN201080044133.9A CN201080044133A CN102597542B CN 102597542 B CN102597542 B CN 102597542B CN 201080044133 A CN201080044133 A CN 201080044133A CN 102597542 B CN102597542 B CN 102597542B
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CN102597542A (zh
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布莱恩·班淳
戴维·布鲁诺
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
    • F16B5/02—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread
    • F16B5/0208—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them by means of fastening members using screw-thread using panel fasteners, i.e. permanent attachments allowing for quick assembly
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S411/00—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener
    • Y10S411/999—Expanded, threaded, driven, headed, tool-deformed, or locked-threaded fastener with retainer, e.g. tether
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49863—Assembling or joining with prestressing of part
    • Y10T29/49865—Assembling or joining with prestressing of part by temperature differential [e.g., shrink fit]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49908—Joining by deforming
    • Y10T29/49915—Overedge assembling of seated part
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49948—Multipart cooperating fastener [e.g., bolt and nut]
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49826—Assembling or joining
    • Y10T29/49947—Assembling or joining by applying separate fastener
    • Y10T29/49963—Threaded fastener
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/4998—Combined manufacture including applying or shaping of fluent material

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connection Of Plates (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Dowels (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

一种束缚式面板紧固件由通过如下方法制成：首先将塑料盖覆盖模制于该螺丝头四周，该盖子具有圆柱形塑料围边，该围边向下延伸越过该螺丝头部的基部且在底部形成圆形开口。在将压缩弹簧安置在该螺丝栓杆四周后，将螺丝压靠在套圈的顶部表面至该塑料盖围边向下延伸到套圈凸缘之下的程度。在该程度处，沿着该塑料围边的底部边缘，以径向向内在该塑料围边四周加热及加压，直到其永久变形至该围边底部的直径小于该套圈凸缘的程度。由此，使螺丝在延伸与退缩位置之间束缚于套圈。

Description

塑料盖面板紧固件的制造方法
相关申请
本专利申请要求2009年9月25日所申请之标题为“塑料盖面板紧固件的制造方法”的临时专利申请案号61/245,901的优先权。
技术领域
本发明涉及用于将面板面对面地附接至另一面板的束缚式(captive)面板紧固件。该螺丝被束缚在组装部内，该组装部永久地附接至一个面板，同时，通过转动螺丝，允许该螺丝延伸越过第一面板与第二面板以螺纹接合。
背景技术
通常，束缚式面板紧固件包括三件主要组件，螺丝、盖子及套圈(ferrule)。该螺丝首先附接至该盖子，然后将该螺丝与盖子组装至该套圈。所有部件典型地由金属组成，该盖子由容易变形的相对薄壁的铝所形成。带头部的螺丝包含具有螺纹的长形栓杆(shank)，该栓杆向下延伸穿过套圈中的洞孔并超过该套圈基部。该套圈的基部包含用以将套圈固定于面板的附接装置。该螺丝可在套圈内的退缩与延伸位置之间滑动。该螺丝配装有围绕该螺丝向下延伸的围盖及至少一套圈顶部。该套圈顶部包含固定装置，以防止螺丝/盖子组件被向上拉出套圈外。一种附接装置为位于套圈顶部、与位于该盖子底部向内延伸的环圈邻接的径向延伸凸缘。当螺丝处于完全退缩位置时，该环圈顶部与该套圈凸缘底部邻接。当一旦将盖子与螺丝安置在套圈上面、通过向内弯曲盖子的金属底部边缘而组合于套圈时，较佳是，盖子底部的环圈与该盖子形成一体。
先前技术存在的问题在于，由于有作为废料必须切除的材料量，故盖子的制造成本高。一旦形成时，须将盖子组装到螺丝，作为组装过程步骤之一。若欲向盖子添加颜色，可通过电镀或上漆涂上颜色，但对部件的磨损会导致颜色的剥落，使产品外观破落。
发明内容
为了改善上述先前技术的束缚式面板紧固件，已设计本塑料盖面板紧固件。依据本发明，盖子由覆盖模制在螺丝上的塑料组成。此提供多种好处。首先，因该盖子整体制出，故该生产工艺没有浪费。在过程模制工艺中所使用的任何过剩材料可再利用。由于该盖子全部为覆盖模制在螺丝上，故消除在组装过程中将盖子安装至螺丝的步骤。于是，整个形成与组装过程明显比铝盖所需的制造及安装过程低廉。而且，在模制前对塑料化合物上色即可完成着色，这使得耐用的着色盖子，其具有卓越的耐久特性，避免尝试对铝盖着色的先前技术的耐久问题。
本发明独有的特征之一为如下装置，通过该装置，盖子可滑动地固定在套圈上。由于塑料不能轻易弯成新形状，无法将先前的铝盖的底部边缘弯曲以形成向内延伸环圈的翻覆技术直接应用在塑料盖上。然而，已经发现在对铝所用的翻覆概念上附加加热，则可在塑料盖基部成功形成环圈。施加热量允许塑料在温和的施力下流动。在达成新形状后，塑料即冷却且永久硬化成新预期形状。
更明确地说，申请人已发明一种束缚式面板紧固件的制造方法，它始自将塑料盖覆盖模制于具有栓杆的螺丝的头部四周，该盖子的圆柱形塑料围边向下延伸越过该螺丝头部的基部，该螺丝头部在底部形成圆形开口。之后，在将螺丝栓杆插入套圈的穿孔前，将压缩弹簧安置在螺丝栓杆四周，该套圈在顶部端具有径向延伸凸缘且在底部端具有面板附接装置。然后，压按螺丝抵靠套圈顶部表面，直到盖子裙角向下延伸在套圈凸缘下方的程度。在该程度下，沿着塑料围边的底部边缘，以径向向内在塑料围边四周加热及加压，直到其永久变形至该围边底部处的开口减小至直径比套圈凸缘小的环圈的程度。较佳是，通过翻覆接触，对加热形成表面加热及加压。此使螺丝沿轴向在该螺丝的退缩与延伸位置之间束缚于套圈。
于此观点，在详细说明该发明的至少一个实施例前，要理解该发明在其应用方面未局限于下图中的说明或图解所陈述的构造细节以及组件配置。本发明得以有其它实施例且可以各种方式加以实施。而且，要理解的是此处所用的措辞及术语为说明起见且不应视为受限。
就其本身而论，本领域技术人员将体会到可轻易利用本公开内容所基于的概念可作为其它结构、方法及系统的设计基础，以实施本发明的数个目的。因此，重要的是在其未偏离本发明精神与范围的程度内，皆视该等主张为包含该等同结构。
附图说明
图1为本发明面板紧固件的正视图。
图2为部分剖切的正视图。
图3和4为表示该盖子部分沿其底部边缘的模制过程的部分剖切的正视图。
具体实施方式
现在参照图1，示出了本发明的束缚式面板紧固件。此紧固件的基本组件包含可旋转及可滑动地固定至套圈1的盖子3。套圈1包含将套圈1固定于第一面板的面板附接装置2。如此处进一步说明的，为了完成组件的组装，盖子5的下缘为依据本发明而模制的。
现在参照图2，本发明的束缚式面板紧固件的螺丝11包含滚花压痕(knurled indentations)12，该滚花压痕沿螺丝的侧表面以收纳熔化的塑料，用于增加抗扭矩性(torque resistance)。使已模制的塑料盖子13远离螺丝17的底部，从而在完全延伸后螺丝11的头部与套圈1的顶部直接接触，以使螺丝11与套圈1之间具有更多的直接力移转。当套圈1基部的附接装置需要对螺丝顶部施加相当高的力时，这具有优势。这种附接装置例如可为紧箝式附接结构2，当施力时，该附接结构自面板接纳冷金属流。内向的环圈16与套圈1顶部的径向向外凸缘19相干涉，以将盖子径向保持于套圈。
第3及4图示出应用本方法形成束缚式面板紧固件盖子之前与之后，其中包括，为了在盖子基部形成内向环圈，对模制有笔直围边的塑料盖13施加热以形成滚压。如此在这些附图中所见，施加轴向力，且该力如图3所示使紧固件下移而抵靠形成表面15，通过加热及加压，对形成表面15进行加热，以将塑料盖底缘熔化成图4中所示的最终形状。一旦形成后，环圈与套圈1顶部的径向向外的凸缘19邻接，以防止盖子13及套圈1被拉开，同时维持各组件的旋转和滑动配合。
因此，只将之前所述视为对发明原理的说明。而且，由于本领域技术人员将轻易想到许多的修改及变更，故以上的说明不是要将发明局限于所示及所说明的确切构造与作业，因此，只要落在本发明的范围内，可实行适当的修该及等效替换。
所主张为新颖的且想要得到美国专利保护的专利范围如下。

Claims (7)

1.一种束缚式面板紧固件的制造方法，包括如下步骤：
设置塑料盖螺丝，该螺丝具有螺丝头部、栓杆及盖子的圆柱形塑料围边，该围边向下延伸越过该螺丝头部的基部，所述围边在底部具有圆形开口；
将压缩弹簧安置在所述螺丝的栓杆四周；
将加盖的螺丝插入套圈的穿孔内，该套圈在顶部端具有径向延伸的凸缘且在其底部端具有面板附接装置；
将所述螺丝头部的基部压靠于所述套圈的顶部表面，其中所述围边向下延伸于该套圈凸缘下方，以及
沿着塑料围边的底部边缘、以径向向内在所述塑料围边四周加热及施加压力，允许塑料流动，使得所述底部边缘在冷却后保持永久变形至所述围边底部的开口缩小为直径比所述套圈凸缘的外径小的环圈的程度，由此使螺丝在该螺丝的退缩与延伸位置之间沿轴向束缚于该套圈中。
2.如权利要求1所述的方法，其中该塑料盖以覆盖模制而形成于该螺丝头部四周。
3.如权利要求2所述的方法，其中通过滚动接触被加热的形成表面来施加所述压力。
4.如权利要求3所述的方法，其中所述螺丝由金属组成。
5.如权利要求4所述的方法，其中所述栓杆为长形且具有螺纹。
6.一种束缚式面板紧固件的制造方法，包括如下步骤：
将塑料盖覆盖模制于具有栓杆的螺丝头部四周，该盖子具有圆柱形塑料围边，该围边向下延伸越过该螺丝头部的基部，所述围边在底部具有圆形开口；
将压缩弹簧安置在所述螺丝的栓杆四周；
将加盖的螺丝插入套圈的穿孔内，该套圈在顶部端具有径向延伸的凸缘，且在其底部端具有面板附接装置；
将所述螺丝头的基部压靠于所述套圈的顶部表面，其中所述围边向下延伸在所述套圈凸缘下方，以及
沿着塑料围边的底部边缘、以径向向内在所述塑料围边四周加热及加压，使得所述底部边缘永久变形至所述围边底部的开口缩小为直径比所述套圈凸缘的外径小的环圈的程度，由此使螺丝在该螺丝的退缩与延伸位置之间沿轴向束缚于该套圈中。
7.如权利要求6所述的方法，其中所述围边在其底部端具有圆形开口。
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EP2480796B1 (en) 2014-07-09
JP5646636B2 (ja) 2014-12-24
MY154524A (en) 2015-06-30
CA2774908A1 (en) 2011-03-31
TWI432650B (zh) 2014-04-01
PL2480796T3 (pl) 2014-12-31
TW201116733A (en) 2011-05-16
WO2011038079A1 (en) 2011-03-31
US20110072630A1 (en) 2011-03-31
MX2012003504A (es) 2012-05-08
CN102597542A (zh) 2012-07-18
JP2013505860A (ja) 2013-02-21

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