CN104885310A - 弯曲过渡表面内触头及制造方法 - Google Patents

弯曲过渡表面内触头及制造方法 Download PDF

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CN104885310A
CN104885310A CN201380068952.0A CN201380068952A CN104885310A CN 104885310 A CN104885310 A CN 104885310A CN 201380068952 A CN201380068952 A CN 201380068952A CN 104885310 A CN104885310 A CN 104885310A
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contact
spring detent
contact surface
methods
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R·瓦卡罗
J·帕拉克
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TE Connectivity Corp
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Tyco Electronics Corp
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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
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H01R9/0527—Connection to outer conductor by action of a resilient member, e.g. spring
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/111—Resilient sockets co-operating with pins having a circular transverse section
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H01R24/56—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency specially adapted to a specific shape of cables, e.g. corrugated cables, twisted pair cables, cables with two screens or hollow cables
    • H01R24/566—Hollow cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/03—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections
    • H01R9/05—Connectors arranged to contact a plurality of the conductors of a multiconductor cable, e.g. tapping connections for coaxial cables
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
    • H01R24/40—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts specially adapted for high frequency
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/16—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for manufacturing contact members, e.g. by punching and by bending
    • 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
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • 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
    • Y10T29/49002—Electrical device making
    • Y10T29/49117—Conductor or circuit manufacturing
    • Y10T29/49204—Contact or terminal manufacturing
    • Y10T29/49208—Contact or terminal manufacturing by assembling plural parts
    • Y10T29/49218—Contact or terminal manufacturing by assembling plural parts with deforming

Abstract

一种同轴连接器的内触头，其具有带有多个弹簧爪的主体，每个所述弹簧爪设置有接触表面。从接触表面过渡的多个过渡部设置为弯曲表面。弯曲表面可以例如通过倒角、电火花加工等形成，使得弹簧爪之间的槽口的边缘不接触所述接触表面。

Description

弯曲过渡表面内触头及制造方法
技术领域
本发明涉及一种电缆连接器。更特别地，本发明涉及一种具有改进的无源互调失真(PIM)电气性能和机械互连特性的用于同轴连接器的内触头。
背景技术
同轴电缆连接器使用在例如需要高水平的精度和可靠性的通信系统中。
为在电缆与连接器之间建立可靠的机电互连，所希望的是，在同轴电缆的导体与同轴连接器之间具有基本上均匀的、周向的接触。与内导体的互连可以通过内触头提供，所述内触头利用多个弹簧爪牢固地接合内导体。该技术的代表是共同拥有的于2010年9月28日颁发给Nahid Islam的发明名称为"Inner Conductor End ContactingCoaxial Connector and Inner Conductor Adapter Kit"的美国专利No.7,803,018。
在系统安装期间，可以对连接器施加轴向力和/或旋转力，例如，当将内导体插入以与内触头接合的时候以及当所附接的同轴电缆朝着下一互连布线并操控就位和/或弯曲以便与电缆支撑件和/或保持吊架对准的时候。同轴电缆和同轴连接器相对彼此的旋转可能会损坏连接器、电缆和/或电缆/连接器互连的完整性。此外，一旦安装好，随着时间推移而施加于互连的扭曲、弯曲和/或振动可能会使连接器-电缆互连退化和/或引入PIM。
同轴电缆连接器市场中的竞争把注意力集中在改进电气性能和最小化总体成本(包括材料成本)以及安装人员培训要求上。
发明内容
因此，本发明的目的是提供一种克服现有技术中的缺陷的用于同轴连接器的内触头。
附图说明
附图显示了本发明的实施例，它们结合到说明书中并构成该说明书的一部分，其中，附图中同样的附图标记表示相同的特征或元件，并且在这些附图标记出现的每个附图中可能没有对其进行详细描述，这些附图与上面给出的本发明的概要描述和下面给出的实施例的详细描述一起用于解释本发明的原理。
图1是与内导体接合的示例性内触头的示意性立体图。
图2是图1中组件的示意性立体剖视图。
图3是图1中组件的示意性端视图。
图4是在开始加工成内触头之前主体的示意性立体图。
图5是图4中主体的示意性立体剖视图。
图6是图4中主体在倒角之后的示意性立体图。
图7是图6中主体的示意性立体剖视图。
图8是图6中主体的示意性端视图。
图9是图6中主体在开槽之后的示意性立体图。
图10是图9中主体的示意性立体剖视图。
图11是图9中主体的示意性端视图。
图12是图9中主体在型锻之后的示意性立体图。
图13是图12中主体的示意性立体剖视图。
图14是图12中主体的示意性端视图。
图15是用于中空内导体的内触头的替换实施例的示意性立体图。
图16是图15中内触头的示意性端视图。
具体实施方式
本发明人认识到，同轴连接器的内触头与同轴电缆的内导体之间初始插入、运动和/或对准的偏斜可能会刮擦和/或刮痕内导体的表面而产生PIM。
刮擦和/或刮痕被认为部分是由于通过形成内触头的弹簧爪的传统方法产生的弹簧爪接触区域的侧面处的尖锐边缘而导致的，例如通过锯切等横跨内导体的端部加工而形成弹簧爪，导致其间留下尖锐边缘。沿着尖锐边缘留下的碎片和/或毛边还可能产生金属碎屑，而金属碎屑则能够在互连区域内运移，形成另一PIM源。
如例如图1至3所示，同轴连接器的示例性内触头1具有带有多个弹簧爪5的主体3，所述弹簧爪由主体3的环绕内导体孔7的部分形成，所述内导体孔7朝向内触头1的电缆端敞开。每个弹簧爪5设置有例如邻近弹簧爪5的远端定位的接触表面9，接触表面9的尺寸设计成接触与同轴连接器互连的同轴电缆的内导体11。
从接触表面9的周边到弹簧爪5的其余部分的过渡部13可以设置为弯曲表面。弯曲表面可以形成为包括圆弧部、倒角部、浮凸部(relief)等的形式。由此，接触表面5的周边可以设置成不带尖锐边缘或毛边。
带有弹簧爪5和弯曲表面过渡部13的内触头1可以经济合算地制成，例如，可以通过在电缆端处设置有内导体孔7的主体3上形成弯曲表面过渡部13而制成，例如如图4和图5所示。向内突出的环形突起15可以邻近内导体孔7的远端设置，以用于进一步加工所期望的接触表面9和弯曲表面过渡部13。可以例如通过拉削(broaching)或电火花加工而施加弯曲表面，以获得在接触表面9的加工移除材料所在的周边不会引入尖锐边缘的弯曲表面。
在已加工弯曲表面过渡部之后，例如如图6至8所示，可以例如通过诸如锯切等的传统加工在过渡部13之间施加限定弹簧爪5的槽口，例如如图9至11所示。替代性地，操作顺序可以颠倒，先加工槽口，然后将过渡部13的弯曲表面施加到槽口与接触表面9之间的边缘上。
因为过渡部13和槽口之间的边缘与接触表面9间隔开，所以，利用传统锯切等在槽口与过渡部13的相交处产生的任何尖锐边缘或毛边都不会接触内导体11。
可以例如邻近弹簧爪5的远端径向向内施加型锻操作，以增加弹簧爪5在内导体11上的偏压，例如如图12至14所示。
本领域技术人员应当领会，带有弯曲表面过渡部13的内触头1可以构造成通过将接触表面9施加到弹簧爪5的内表面17上而接合内导体11的外径，或者替代性地，构造成通过将接触表面9施加到弹簧爪5的外表面19上而接合中空内导体的内径。在外径接触表面构造中，例如如图15和16所示，向外突出的环形突起15可以设置在内触头1的远端的外径上。
本领域技术人员应当领会，带有被施加为弯曲表面的周边过渡部的内触头的接触表面可以减小PIM产生，并从而改善互连电气性能。进一步地，即使粗暴地进行安装步骤，也较少可能刮痕内导体，因此安装人员可以顺利地进行安装，培训要求低。
零件列表
1 内触头
3 主体
5 弹簧爪
7 内导体孔
9 接触表面
11 内导体
13 过渡部
15 环形突起
17 内表面
19 外表面
如果上文描述中已引用的材料、比率、整体或部件具有已知的等同，则这些等同结合在这里，就好像逐一地阐述一样。
虽然本发明已经通过其实施例的描述进行了说明以及虽然已经非常详细地描述了这些实施例，但是，本申请人的意图不是为了将附带的权利要求限制或以任何方式限制成这样的细节。对本领域技术人员来说，其它优点和改进都是很容易的。所以，本发明在其更宽的方面不局限于这些特定细节、代表性设备和方法以及所示的、所述的说明性实例。因此，在不偏离本申请人总体发明构思的精神或范围的情况下，可以偏离这样的细节。进一步地，应当明白，在没有偏离由下面的权利要求书所限定的本发明的范围或精神的情况下，可以对此进行修改和/或改变。

Claims (20)

1.一种同轴连接器的内触头，包括：
带有多个弹簧爪的主体，每个所述弹簧爪设置有接触表面；
从接触表面过渡的多个过渡部，所述过渡部设置为弯曲表面。
2.如权利要求1所述的内触头，其中，接触表面位于弹簧爪的内表面上。
3.如权利要求1所述的内触头，其中，接触表面位于弹簧爪的外表面上。
4.如权利要求1所述的内触头，其中，所述弯曲表面是圆弧部。
5.如权利要求1所述的内触头，其中，所述弯曲表面是倒角部。
6.如权利要求1所述的内触头，其中，所述弯曲表面是浮凸部。
7.如权利要求1所述的内触头，其中，所述接触表面邻近弹簧爪的远端设置。
8.一种用于制造同轴连接器的内触头的方法，其包括步骤：
提供在电缆端带有内导体孔的主体；
加工所述主体的环绕内导体孔的部分，以形成多个弹簧爪；
每个所述弹簧爪设置有接触表面；并且
从接触表面过渡的多个过渡部设置为弯曲表面。
9.如权利要求8所述的方法，其中，所述多个弹簧爪通过加工而形成在过渡部之间。
10.如权利要求8所述的方法，其中，所述加工包括拉削。
11.如权利要求8所述的方法，其中，所述加工包括电火花加工。
12.如权利要求8所述的方法，还包括径向向内型锻弹簧爪的远端的步骤。
13.如权利要求8所述的方法，其中，所述接触表面位于弹簧爪的内表面上。
14.如权利要求8所述的方法，其中，所述接触表面位于弹簧爪的外表面上。
15.如权利要求8所述的方法，其中，所述弯曲表面是圆弧部。
16.如权利要求8所述的方法，其中，所述弯曲表面是倒角部。
17.如权利要求8所述的方法，其中，所述弯曲表面是浮凸部。
18.如权利要求8所述的方法，其中，所述内导体孔设置有邻近远端的向内突出的环形突起，所述环形突起的内径提供所述接触表面。
19.如权利要求8所述的方法，其中，向外突出的环形突起邻近主体的电缆端设置，所述环形突起的外径提供所述接触表面。
20.一种用于制造同轴连接器的内触头的方法，其包括步骤：
提供在电缆端带有内导体孔的主体；
邻近电缆端加工所述主体，以形成环绕多个接触表面的多个过渡部；
所述多个过渡部设置为弯曲表面；
加工所述主体的在过渡部之间的部分，以形成多个弹簧爪，每个所述弹簧爪带有所述多个接触表面中的一个。
CN201380068952.0A 2013-01-25 2013-11-11 弯曲过渡表面内触头及制造方法 Pending CN104885310A (zh)

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US13/750,157 2013-01-25
US13/750,157 US9009960B2 (en) 2013-01-25 2013-01-25 Method of manufacturing a curved transition surface of an inner contact
PCT/US2013/069415 WO2014116338A1 (en) 2013-01-25 2013-11-11 Curved transition surface inner contact and method of manufacture

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US9009960B2 (en) 2015-04-21
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US20140213105A1 (en) 2014-07-31
US20150194748A1 (en) 2015-07-09
EP2949012A4 (en) 2015-12-16
EP2949012A1 (en) 2015-12-02

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