CN1628217A - 两部分扣合式板紧固件 - Google Patents
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Abstract
一种两部分扣合式板紧固件,其包括可以藉由扣合方式结合在一起的一套筒部分与一螺钉组件。一锁合机构用于防止该两部份被意外分开。本发明的两部分结构允许最好采用非常坚硬耐久的金属材料制成的套筒首先连同电路板上的其他元件被波焊于一印刷电路板上。然后,所述螺钉组件可以扣入已装在印刷电路板的套筒内,从而远离波焊时的严苛环境。该套筒与螺钉保持器可进一步包括协作式外凸缘,藉此用来限制一枢接结构,例如一杆件,使得该板紧固件不仅可以用于将板件固定于下部结构,而且可以用于将其它部件固定于该板件。
Description
本发明申请与2002年2月11日提交的名称为「两部分扣合式板紧固件」美国临时申请第60/354,920号相关联,本发明的优先权日应为2002年2月11日。
技术领域
本发明涉及限制式板紧固件,此种板紧固件具有一可伸缩螺钉,该螺钉被限制在一固定于一第一板件上的套筒内且可延伸。所述型式的板紧固件,藉由一弹簧使得该螺钉保持在伸展的位置,然而,当弹簧受压时则可以使该螺钉锁入一第二板件,从而将两板件结合在一起。
背景技术
本领域中众所周知的板紧固件包括各种不同的套筒与板件的固定元件。扣紧式和铆接式两种固定元件都包括在内。可藉由不同的元件将螺钉限制在套筒内,然而用来限制螺钉的元件通常是呈永久固定的,所以一旦各项元件组合完成后,所述的螺钉与弹簧便无法被卸下。因此,用以组成所述板紧固件的各种元件必须在同一时间固定于板件上,也因此所有的元件在后来的制造过程中都会经历相同的环境。
然而所述的板紧固件却存在一个问题而无法令人满意,即,所述的板件可能要经历诸如过热的制作环境,这对于螺钉/弹簧组件的制作材料来说可能是不相容的。由于特性使然,这些板紧固件的螺钉/弹簧组件具有很精细的结构而无法承受严苛的制作环境,例如电路板制作过程中所经历的环境。然而,板紧固件需要在例如波焊的制作步骤中或之前进行固定。因此,不管永久组合式板紧固件具有所有元件均永久保持的优点,但是并非适用于所有的情况。也可能是在其他的应用中,该板紧固件不仅用来结合两板件,而且还需要用它支承其它结构。在这些案例中,该板紧固件本体结构的那些固定/可拆卸的元件仍然是需要的。在更多的其他应用中,可能需要将板紧固件分阶段地安装在板件上,即先将套筒固定,然后在另一场所组装弹簧与螺钉组件。
因此,本领域需要这样一种板紧固组件,允许套筒部分与限制式板紧固件的其他元件分别地被固定在基板上。另外,允许该些元件能够不需要特殊工具便能快速而且有效率地加以组合。最后,让板紧固件组件能够在不花费额外费用以及不增加复杂性的情况下容许其它结构固定至板件上。
发明内容
本发明是为了满足上述本领域所需。本发明由一两部分扣合式板紧固件所组成,该板紧固件的两个组成部分在制作的不同阶段中是被分开保持的。这是藉由独特构造的结合元件予以完成,所述的结合元件包括有一可拆卸的套筒部份和一扣紧式螺钉/弹簧/保持器组件。本发明的两部份系统,例如,允许一由非常坚硬耐久的金属制成的独立套筒首先连同电路板上的其他元件被波焊于一印刷电路板上,稍后,当离开进行波焊工作的严苛环境时,可以将所述螺钉组件扣入装置在印刷电路板上的套筒中。
本发明的另一个实施方式中,该套筒与螺钉保持器包括有用来限制一枢接结构,例如一杆件的协助性外凸缘,使得该板紧固件不仅可以用来将板件固定于一下部结构,而且可以用来附着其它部件。在一实施方式中,将一杆件设于套筒筒体上并保持在套筒底部凸缘和螺钉/弹簧组件保持器的上部凸缘之间,从而产生足够的扣合力使两部份保持在一起,以抵抗正常的杆件驱动力。
更特别的是,本案申请人所发明的限制式板紧固件的组件包括一具有一大头部的螺钉、一柄部以及比该柄部的直径大的螺纹部份。该板紧固件包括有一在其顶部具有凸缘的保持器、一用于接纳螺钉的孔,以及多个在底部轴向延伸的弹性扣爪,每一扣爪包括有一面向外的倒钩以及一面向内邻接该柄部的爪尖。该些爪尖在静止时它们之间的径向距离小于螺钉之螺纹部份的直径,但是大于柄部的直径。在所述螺钉头部和保持器凸缘之间设置有弹簧件,该弹簧件使螺钉置于缩回位置。一套筒包括一具有第一内环形凸缘的孔腔,该内凸缘与弹性保持器的扣爪可以藉由扣合动作适配地合作,由此使倒钩与内凸缘受力结合,从而将套筒和保持器结合。套筒还包括有与底端邻接的固定装置,以及一接近其底端径向延伸的第二外凸缘。在应用时,扣爪与焊点使套筒牢固地固定于电路板板件的一个孔中。套筒还包括有一位于保持器凸缘和接近其底端的第二外凸缘之间的筒体部分。所述板紧固件也可以包括一由保持器凸缘与套筒的第二外凸缘所限制以使其固定至板件的装置。在另外一实施方式中,该装置是一个可以围绕套筒筒体的外侧表面转动的杆件。保持器最好是在每一爪尖的内表面上具有一面向底部的斜面。这可提供一种锁紧的功能,即当螺钉从套筒往上缩回,螺钉的螺纹部向下成角度的顶面与该斜面咬合。因此,如果将螺钉自板件向上拔时,保持器扣爪将会受力向外抵靠在套筒的内凸缘上,从而防止进一步缩回。只能先将螺钉推入,同时拔出保持器,这样才能使螺钉组件自套筒松脱。由于该操作需要对组件的不同部分在不同的方向施力,才能避免因疏忽而将弹簧组件自套筒移开。
因此本发明的目的在于提供一种具有可以分离的弹簧/螺钉组件的板紧固件,所述弹簧/螺钉组件可以预先组装,而不必在最后的组装位组装。本发明的另一目的是提供一种组装的板紧固件,它可以不需要特殊工具便能快速有效地完成组装。本发明的再一目的是提供一种限制式板紧固件组件,它可以在不增加额外费用以及不增加复杂性的情况下将其它结构固定至板件。本发明的其它目的和优点将通过以下参照附图的较佳实施例的描述而变得更清楚。
附图说明
图1是本发明的组件分解图。
图2是螺钉/弹簧组件的组件分解图。
图3是螺钉/弹簧组件的保持器的侧剖视图。
图4是本发明组件分解的侧剖视图。
图5是本发明的套筒元件单独的侧剖视图。
图6是本发明完全组合后的状态的侧剖视图。
较佳实施例的描述
现在请参阅图1,本发明包括有两个主要的紧固件组件11和13,该两紧固件组件扣合在一起并将杆15限制在它们的凸缘之间,凸缘分别设在两个内部配合的扣合部分上。扣合组件的上部是一包括一保持器12的螺钉/弹簧组件21,所述保持器扣入套筒23的孔腔内,套筒以分离组装方式预先组合在板件25上。这种组装的顺序可以因应要求按时间和距离上不同的情况来进行。例如,在波焊过程中若不希望其它元件暴露于又热又危险的制作环境时,可先进行套筒和板件的组装。这里将作进一步描述,该组成部件可支持一可转动元件,例如杆件15。
现在请参阅图2和图3,图中所示为螺钉/弹簧组件的各组件分解图,其中螺钉31套在弹簧33内,该两个元件都装入保持器35的孔腔内。螺钉包括有一头部30、一柄部32以及一直径大于柄部的螺纹部34。保持器具有自其基部轴向延伸的若干扣爪43。图3更清楚地显示出,该保持器包括一凸缘41,凸缘41具有沿着内孔45周边轴向延伸的若干扣爪43。扣爪43的端部包括有与套筒内凸缘快速结合的面向外的外倒钩47。爪尖49面向内形成一底部开口,其直径相对于中心轴线逐渐减小,使得各扣爪43之间的最小直径小于螺钉的螺纹部34的较大直径,但却大于该螺钉的柄部32的直径。因此,当螺钉首先被压入保持器内时,爪尖49会展开以允许螺纹部34通过,然后在柄部32收缩。此种操作是藉由图4和图6所示的保持器扣爪的内侧表面将螺钉滑动式限制于保持器内。斜面48位于每一爪尖49的内边缘上。斜面48的功能是锁住板紧固件,将在下面参照图6做详细的说明。
现在请参见图4,它是图1所示组件的局部侧视图。所示的螺钉组件21与杆件15、套筒23和板件25排成一线。杆件包括一具有内侧壁52的洞孔50,该洞孔50与套筒筒体54的外径配合,以使杆件绕枢轴转动。现在请参见图5,套筒23还包括一区域56,该区域沿套筒孔腔底部的直径增大形成一内环形凸缘58。图6更清楚地显示出,保持器扣爪的外部倒钩伸入该区域抵住凸缘58,使得保持器进入套筒形成卡钩连接。外凸缘59作为一挡件抵在已固定的板件上面,同时也为杆件提供一座台,使它与板件隔开。套筒还包括用于板件附着的卡接臂55。
请参见图6,图中示出本发明所有元件完全组合后的状态。杆件15恰好可接纳套筒的筒体,并且位于保持器凸缘41和套筒凸缘59之间,以致该结合件形成一杆件相对板件25转动的装置。从此图可以理解,其重点在于该保持器的扣爪爪尖内侧表面上的辐射状斜面。当螺钉处于缩回位置且其螺纹部份抵住斜面48时,该螺钉再往回缩就会在其螺纹顶面和斜面之间产生楔力使扣爪向外推而抵住套筒的内凸缘,进而将保持器锁在套筒上。因此,在此图所示的完整组件中,拉拔螺钉的头部不会使各部件分离,除非拉力超过套筒/板件连接处的拉出极限。从这些机构的关系应能了解到,无论板紧固件组件是单独工作还是如图6所示被固定入其它部件中,螺钉、保持器以及套筒都能提供相同的锁固功能。为使组件自套筒移开,首先必须将螺钉向下压,直到螺钉柄部32的较小直径部分位于保持器扣爪的各爪尖之间。当螺钉被保持在套筒内时,扣爪会缩回,然后可轴向向上地将保持器拉出套筒。藉由此种双重动作,可以防止各组件因为意外或疏忽而被拆解。通过向下压螺钉并将它锁入下部结构,可以使图6所示的各组件作为一自动保持装置而固定在底架或其它下部结构(图中未显示)。
在此较佳实施例中,通过自套筒底部轴向延伸的卡接臂55使板件与套筒固定。应该理解,套筒底部也可以设置其它板件固定件。进一步说,以上所述仅为用以解释本发明的较佳实施例,在不脱离本发明以下权利要求中所限定的范围下依据情况所作的各种变更、修饰或改进,皆应属于本发明意图保护的范围。
Claims (12)
1.一种限制式板紧固件,包括:
一螺钉,该螺钉具有一大头部、一柄部与一螺纹部,所述螺纹部的直径大于所述柄部的直径;
一保持器,该保持器具有一位于顶端的凸缘、一用于容纳所述螺钉的孔,以及多个在其底部轴向延伸的弹性扣爪,所述每一扣爪都包括有一面向外的倒钩以及一面向内邻接所述柄部的爪尖,所述爪尖在静止时它们之间的径向距离小于所述螺钉的螺纹部直径,但大于所述柄部的直径;
弹性元件,该弹性元件设在所述螺钉头部与所述保持器凸缘之间;以及
一套筒,其具有一孔腔,所述孔腔设有一第一内环形凸缘,所述第一内凸缘与所述弹性保持器扣爪藉由扣合动作适配地连接,由此使所述倒钩与所述第一内凸缘受力结合。
2.如权利要求1所述的板紧固件,其特征在于,所述套筒进一步包括有与其底端邻接的固定装置。
3.如权利要求2所述的板紧固件,其特征在于,所述套筒进一步包括有一接近其底端轴向延伸的第二外凸缘。
4.如权利要求2所述的板紧固件,其特征在于,所述固定装置是用于与板件一开口结合的扣爪。
5.如权利要求1所述的板紧固件,其特征在于,所述板紧固件进一步包括设在所述保持器爪尖内侧表面的底斜面。
6.如权利要求5所述的板紧固件,其特征在于,所述螺钉的螺纹部包括向下成角度的顶面,当所述螺钉从所述套筒往上缩回致使所述向下成角度的顶面与所述斜面咬合时,由此迫使所述保持器扣爪受力向外抵靠在所述套筒的第一内环形凸缘上,从而防止进一步缩回。
7.如权利要求4所述的板紧固件,其特征在于,所述套筒进一步包括有一筒体部份,所述筒体部分位于所述保持器凸缘与接近所述套筒底端的第二外凸缘之间。
8.一种组件,其包括有权利要求7所述的板紧固件并进一步包括一装置,所述装置由所述保持器凸缘和所述套筒第二外凸缘所限制,由此使所述装置固定于一板件。
9.如权利要求8所述的组件,其特征在于,所述装置是一可围绕所述套筒的筒体部分外侧表面转动的杆件。
10.如权利要求2所述的板紧固件,其特征在于,所述固定装置使所述套筒坚固地固定于一电路板。
11.如权利要求10所述的板紧固件,其特征在于,所述固定装置包括一焊点。
12.如权利要求11所述的板紧固件,其特征在于,所述板件是一电路板。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US35492002P | 2002-02-11 | 2002-02-11 | |
US60/354,920 | 2002-02-11 |
Publications (1)
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CN1628217A true CN1628217A (zh) | 2005-06-15 |
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ID=27734436
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CNA038032171A Pending CN1628217A (zh) | 2002-02-11 | 2003-01-31 | 两部分扣合式板紧固件 |
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Country | Link |
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US (1) | US20050129461A1 (zh) |
EP (1) | EP1474613A4 (zh) |
JP (1) | JP2005517869A (zh) |
KR (1) | KR20040079951A (zh) |
CN (1) | CN1628217A (zh) |
AU (1) | AU2003205378A1 (zh) |
CA (1) | CA2472011A1 (zh) |
MX (1) | MXPA04007573A (zh) |
TW (1) | TW584701B (zh) |
WO (1) | WO2003069168A2 (zh) |
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2003
- 2003-01-31 CN CNA038032171A patent/CN1628217A/zh active Pending
- 2003-01-31 WO PCT/US2003/002703 patent/WO2003069168A2/en not_active Application Discontinuation
- 2003-01-31 JP JP2003568258A patent/JP2005517869A/ja not_active Withdrawn
- 2003-01-31 KR KR10-2004-7011531A patent/KR20040079951A/ko not_active Application Discontinuation
- 2003-01-31 US US10/503,628 patent/US20050129461A1/en not_active Abandoned
- 2003-01-31 MX MXPA04007573A patent/MXPA04007573A/es unknown
- 2003-01-31 AU AU2003205378A patent/AU2003205378A1/en not_active Abandoned
- 2003-01-31 CA CA002472011A patent/CA2472011A1/en not_active Abandoned
- 2003-01-31 EP EP03704067A patent/EP1474613A4/en not_active Withdrawn
- 2003-02-10 TW TW092102623A patent/TW584701B/zh not_active IP Right Cessation
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN100402871C (zh) * | 2005-09-09 | 2008-07-16 | 金宝电子工业股份有限公司 | 轴扣装置 |
CN101341344B (zh) * | 2005-12-23 | 2012-09-19 | 西德尔合作公司 | 用螺栓-螺母组件通过旋拧方式装配两个构件的装置 |
CN101608656B (zh) * | 2008-02-19 | 2013-04-24 | 达霆精密工业有限公司 | 具止挡环的螺丝结构 |
CN102549276A (zh) * | 2009-10-06 | 2012-07-04 | 株式会社利富高 | 紧固件 |
CN103918624A (zh) * | 2013-01-15 | 2014-07-16 | 浙江泰普森休闲用品有限公司 | 搁杆叉基座和搁杆叉 |
CN103918624B (zh) * | 2013-01-15 | 2015-12-16 | 浙江泰普森休闲用品有限公司 | 搁杆叉基座和搁杆叉 |
US10727154B2 (en) | 2016-02-24 | 2020-07-28 | Asia Vital Components Co., Ltd. | Component coupled to heat dissipation unit |
CN112166259A (zh) * | 2018-05-31 | 2021-01-01 | 洛西诺克斯公司 | 固定装置组 |
CN112166259B (zh) * | 2018-05-31 | 2022-07-12 | 洛西诺克斯公司 | 固定装置组 |
CN113757820A (zh) * | 2020-06-03 | 2021-12-07 | 青岛海信日立空调系统有限公司 | 空调室外机 |
CN112827271A (zh) * | 2020-12-29 | 2021-05-25 | 四川万方空调净化设备有限公司 | 过滤器滤芯的安装装置 |
CN112827271B (zh) * | 2020-12-29 | 2022-07-26 | 四川万方空调净化设备有限公司 | 过滤器滤芯的安装装置 |
Also Published As
Publication number | Publication date |
---|---|
MXPA04007573A (es) | 2004-11-10 |
JP2005517869A (ja) | 2005-06-16 |
US20050129461A1 (en) | 2005-06-16 |
EP1474613A2 (en) | 2004-11-10 |
KR20040079951A (ko) | 2004-09-16 |
EP1474613A4 (en) | 2005-05-18 |
CA2472011A1 (en) | 2003-08-21 |
WO2003069168A3 (en) | 2004-06-03 |
WO2003069168A2 (en) | 2003-08-21 |
AU2003205378A1 (en) | 2003-09-04 |
AU2003205378A8 (en) | 2003-09-04 |
TW584701B (en) | 2004-04-21 |
TW200302900A (en) | 2003-08-16 |
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