JP2005158657A - Connector for coaxial cable - Google Patents

Connector for coaxial cable Download PDF

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JP2005158657A
JP2005158657A JP2003399261A JP2003399261A JP2005158657A JP 2005158657 A JP2005158657 A JP 2005158657A JP 2003399261 A JP2003399261 A JP 2003399261A JP 2003399261 A JP2003399261 A JP 2003399261A JP 2005158657 A JP2005158657 A JP 2005158657A
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coaxial cable
center contact
outer shell
printed wiring
receptacle
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Takeshi Hirakawa
猛 平川
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I Pex Co Ltd
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I Pex Co Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a connector for a coaxial cable composed by reducing its manufacturing cost and by reducing its height. <P>SOLUTION: A connection terminal 13a is formed at the lower end of a center contact 13; and a cap 14 detachably fitted to an outside shell 12 and the center contact 13 for positioning and supporting the center contact 13 at the center of the annular outside shell 12 is provided. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

この発明は、コンピュータ、ＰＤＡ、携帯電話機等の電子機器に使用される同軸ケーブル用コネクタに関し、特に印刷配線基板の印刷配線パターンと同軸ケーブルとを電気的に接続するようにした同軸ケーブル接続用コネクタに関する。   TECHNICAL FIELD The present invention relates to a coaxial cable connector used in electronic devices such as computers, PDAs, and mobile phones, and more particularly to a coaxial cable connector that electrically connects a printed wiring pattern of a printed wiring board and a coaxial cable. About.

従来からコンピュータ、携帯電話機等の電子機器内に配設された印刷配線基板の印刷配線パターンと同軸ケーブルとを電気的に接続するためのコネクタとして、同軸ケーブル用コネクタが使用されている。   Conventionally, a coaxial cable connector has been used as a connector for electrically connecting a printed wiring pattern of a printed wiring board disposed in an electronic device such as a computer or a cellular phone and a coaxial cable.

この同軸ケーブル用コネクタは、同軸ケーブルの一端に固着されるプラグと、印刷配線基板の印刷配線パターン上に配設され、前記同軸ケーブルのプラグを嵌着支承して電気的に接続するリセプタクルとから構成されている。   The coaxial cable connector includes a plug that is fixed to one end of the coaxial cable, and a receptacle that is disposed on the printed wiring pattern of the printed wiring board and that is electrically connected by fitting and supporting the plug of the coaxial cable. It is configured.

図６は従来の同軸ケーブル用コネクタ１を示す概念斜視図、図７はそのＡＡ断面図である。   FIG. 6 is a conceptual perspective view showing a conventional coaxial cable connector 1, and FIG.

この同軸ケーブル用コネクタ１は、特に同軸ケーブルの一端に固着された周知の同軸ケーブル用プラグを嵌着支承する同軸ケーブル用リセプタクル２（以下単にリセプタクルと言う）を示している。 The coaxial cable connector 1 particularly shows a coaxial cable receptacle 2 (hereinafter simply referred to as a receptacle) for fitting and supporting a known coaxial cable plug fixed to one end of the coaxial cable.

このリセプタクル２は、プレス及び折り曲げ加工により形成され、同軸ケーブルの外部導体と接続する環状の外部シェル３と、同様にプレス加工により形成され、同軸ケーブルの中心導体と接続する円柱形の中心コンタクト５と、該中心コンタクト５を環状の外部シェル３の中心に位置決め固定し、これにより中心コンタクト５および外部シェル３とが互いに接触しないようにする樹脂部材７とから構成されている。なお、中心コンタクト５の下端に連設された延長部材５ｂは、図７に示すように、外部シェル３と接触しないように前記樹脂部材７内を通過して外部シェル３の外側にまで延設され、その終端に接続端子５ａが形成されている。なお、図６，７で符号３ａは外部シェル３の接続端子である。   The receptacle 2 is formed by pressing and bending, and an annular outer shell 3 that is connected to the outer conductor of the coaxial cable, and a cylindrical center contact 5 that is also formed by pressing and is connected to the center conductor of the coaxial cable. The center contact 5 is positioned and fixed at the center of the annular outer shell 3 so that the center contact 5 and the outer shell 3 are not in contact with each other. The extension member 5b connected to the lower end of the center contact 5 passes through the resin member 7 and extends to the outside of the outer shell 3 so as not to contact the outer shell 3 as shown in FIG. The connection terminal 5a is formed at the end. 6 and 7, reference numeral 3 a is a connection terminal of the external shell 3.

そして、このリセプタクル２を印刷配線基板８に取付けるには、図８で示すように、まずリセプタクル２の各接続端子３ａ，５ａを対応する印刷配線パターン９，１０の各接続端子９ａ，１０ａ上に載置し、その後リセプタクル２の各接続端子３ａ，５ａと印刷配線パターン９，１０の対応する各接続端子９ａ，１０ａとを半田付け等の固定手段により接続固定する。   In order to attach the receptacle 2 to the printed wiring board 8, first, the connecting terminals 3a, 5a of the receptacle 2 are placed on the connecting terminals 9a, 10a of the corresponding printed wiring patterns 9, 10, as shown in FIG. Then, the connection terminals 3a, 5a of the receptacle 2 and the corresponding connection terminals 9a, 10a of the printed wiring patterns 9, 10 are connected and fixed by a fixing means such as soldering.

ところで、上述した従来の同軸ケーブル用コネクタ１によると、図８の要部断面図で示す図９のように、中心コンタクト５の延長部材５ｂは外部シェル３と接触しないように樹脂部材７内を嵌挿し、さらに外部シェル３の下端を通過して当該外部シェル３の外側にまで延設されているので、少なくとも外部シェル３の下端を通過する延長部材５ｂの板厚ｈ分、リセプタクル２の全高Ｈを高く設定せざるを得ず、このためリセプタクル２の全高Ｈを低く設定して、同軸ケーブル用コネクタ１全体の低背化を促進し、これにより電子機器の一層の薄型化を促進することが出来ない難点があった。   By the way, according to the conventional coaxial cable connector 1 described above, the extension member 5b of the center contact 5 is disposed inside the resin member 7 so as not to contact the outer shell 3 as shown in FIG. Since it is inserted and further extended to the outside of the outer shell 3 through the lower end of the outer shell 3, at least the thickness h of the extension member 5b passing through the lower end of the outer shell 3, the total height of the receptacle 2 H must be set high, and therefore the overall height H of the receptacle 2 is set low to promote a reduction in the overall height of the coaxial cable connector 1, thereby further reducing the thickness of the electronic device. There was a difficulty that could not be.

さらに、中心コンタクト５を外部シェル３の中心に位置決め固定するため樹脂部材７が必要で、そのため製造工程数も多く、全体としてコスト高となる難点もある。   Further, the resin member 7 is necessary for positioning and fixing the center contact 5 at the center of the outer shell 3, and therefore, the number of manufacturing steps is large, and there is a problem that the cost is increased as a whole.

この発明は、上述した事情に鑑み、製造コストを削減し、かつ低背化を図った同軸ケーブル用コネクタを提供することを目的とする。   In view of the above-described circumstances, an object of the present invention is to provide a coaxial cable connector that is reduced in manufacturing cost and reduced in height.

上述した課題を解決するため、この発明では、環状の外部シェルと円筒形の中心コンタクトとを少なくとも有し、印刷配線基板上の所定位置に電気的に接続固定される同軸ケーブル用コネクタにおいて、前記中心コンタクトの下端に接続端子を形成するとともに、前記外部シェルと前記中心コンタクトとに着脱自在に嵌着し、前記中心コンタクトを前記環状の外部シェルの中心に位置決め支承するキャップを具えている。   In order to solve the above-described problems, in the present invention, in the coaxial cable connector that has at least an annular outer shell and a cylindrical center contact, and is electrically connected and fixed at a predetermined position on the printed wiring board, A connection terminal is formed at the lower end of the center contact, and a cap is provided that is detachably fitted to the outer shell and the center contact and positions and supports the center contact at the center of the annular outer shell.

上述した同軸ケーブル用コネクタによると、嵌着したキャップにより中心コンタクトが環状の外部シェルの中心に位置決め支承されるから、中心コンタクト位置決め用の樹脂部材が不要となって製造コストが低下し、同軸ケーブル用コネクタを安価に提供することができる。また中心コンタクトの下端に中心コンタクトの接続端子を形成するようにしたから、中心コンタクトの接続端子を外部導体の外側に延設するための延長部材も不要で、このため外部シェルの全高を低く設定して同軸ケーブル用コネクタの低背化を促進し、同軸ケーブル用コネクタを使用する電子機器の薄型化を達成することができる。   According to the coaxial cable connector described above, since the center contact is positioned and supported at the center of the annular outer shell by the fitted cap, the resin member for center contact positioning is not required, and the manufacturing cost is reduced. Connector can be provided at low cost. In addition, since the connection terminal of the center contact is formed at the lower end of the center contact, an extension member for extending the connection terminal of the center contact to the outside of the outer conductor is unnecessary, and therefore the overall height of the outer shell is set low. Thus, the reduction in the height of the coaxial cable connector can be promoted, and the electronic device using the coaxial cable connector can be reduced in thickness.

以下、この発明に係る同軸ケーブル用コネクタの一実施例を詳述する。     Hereinafter, an embodiment of a coaxial cable connector according to the present invention will be described in detail.

図１はこの発明に係る同軸ケーブル用コネクタ１０を示す概念斜視図で、特に同軸ケーブルの一端に固着された周知の同軸ケーブル用プラグを嵌着支承する同軸ケーブル用リセプタクル１１（以下単にリセプタクルと言う）を示している。
このリセプタクル１１は、図１及び図１のＢＢ断面で示す図２のように、同軸ケーブルの外部導体と接続する環状の外部シェル１２と、同軸ケーブルの中心導体と接続する円筒形の中心コンタクト１３と、この中心コンタクト１３を前記外部シェルの１２の中心位置に位置決め支承する着脱自在な円柱形のキャップ１４とから構成されている。 FIG. 1 is a conceptual perspective view showing a coaxial cable connector 10 according to the present invention. In particular, a coaxial cable receptacle 11 (hereinafter simply referred to as a receptacle) for fitting and supporting a known coaxial cable plug fixed to one end of the coaxial cable. ).
The receptacle 11 includes an annular outer shell 12 connected to the outer conductor of the coaxial cable and a cylindrical center contact 13 connected to the center conductor of the coaxial cable, as shown in FIG. And a detachable cylindrical cap 14 for positioning and supporting the center contact 13 at the center position of the outer shell 12.

なお、このキャップ１４には、中心に前記中心コンタクト１３を嵌挿する穴１４ａが形成され、外周縁には前記環状の外部シェル１２を嵌挿する環状の溝１４ｂが形成されている。    The cap 14 is formed with a hole 14a into which the center contact 13 is inserted, and an annular groove 14b into which the annular outer shell 12 is inserted.

一方、前記円柱形の中心コンタクト１３の下端には後述する印刷配線基板に形成された対応する印刷配線パターンの接続端子と接続する接続端子１３ａが形成されている。    On the other hand, a connecting terminal 13a connected to a connecting terminal of a corresponding printed wiring pattern formed on a printed wiring board to be described later is formed at the lower end of the cylindrical center contact 13.

なお、図１及び図２で符号１２ａ、１２ｂは外部シェル１２の接続端子、１２ｃはスリットで、このスリット１２ｃは図示せぬプラグが嵌着する際に、外部シェル１２が円周方向へ弾性的に伸張するためのものである。    In FIGS. 1 and 2, reference numerals 12a and 12b are connection terminals of the outer shell 12, and 12c is a slit. The slit 12c is elastic in the circumferential direction when a plug (not shown) is fitted. It is intended for stretching.

次に上述したリセプタクル１１の作用を説明し、併せて構成をより詳細に説明する。     Next, the operation of the above-described receptacle 11 will be described, and the configuration will be described in more detail.

このリセプタクル１１を印刷配線基板に配設するには、まず図３で示すように、印刷配線基板２０に形成された印刷配線パターン２１，２２，２３の各接続端子２１ａ，２２ａ，２３ａに対応するリセプタクル１１の各接続端子１２ａ，１２ｂ，１３ａを載置する。   In order to arrange the receptacle 11 on the printed wiring board, first, as shown in FIG. 3, it corresponds to the connection terminals 21a, 22a, 23a of the printed wiring patterns 21, 22, 23 formed on the printed wiring board 20. The connection terminals 12a, 12b, and 13a of the receptacle 11 are placed.

なお、印刷配線基板２０上に載置するまでの間は、外部シェル１２と中心コンタクト１３とに嵌着したキャップ１４により、中心コンタクト１３は環状の外部シェル１２の中心に位置決められているので、簡単かつ正確にリセプタクル１１を印刷配線基板２０の所定位置に位置決め配設することができることとなる。    The center contact 13 is positioned at the center of the annular outer shell 12 by the cap 14 fitted to the outer shell 12 and the center contact 13 until being placed on the printed wiring board 20. The receptacle 11 can be positioned and disposed at a predetermined position on the printed wiring board 20 easily and accurately.

その後、リフロー方式による半田付けにより、リセプタクル１１の各接続端子１２ａ，１２ｂ，１３ａを印刷配線パターン２１，２２，２３の対応する各接続端子２１ａ，２２ａ，２３ａに固着する。   Thereafter, the connection terminals 12a, 12b, and 13a of the receptacle 11 are fixed to the corresponding connection terminals 21a, 22a, and 23a of the printed wiring patterns 21, 22, and 23 by soldering using a reflow method.

このように、リセプタクル１１の各接続端子１２ａ，１２ｂ，１３ａを印刷配線パターン２１，２２，２３の対応する各接続端子２１ａ，２２ａ，２３ａに固着した後、図４に示すように、キャップ１４を矢印Ｃのように上動させて取り外すせば、印刷配線基板２０にリセプタクル１１が実装されることとなる。   In this manner, after the connection terminals 12a, 12b, and 13a of the receptacle 11 are fixed to the corresponding connection terminals 21a, 22a, and 23a of the printed wiring patterns 21, 22, and 23, as shown in FIG. If it is moved upward as shown by an arrow C and removed, the receptacle 11 is mounted on the printed wiring board 20.

上述した印刷配線基板２０に実装された本願発明に係るリセプタクル１１によると、図４の要部破断面図で示す図５のように、中心コンタクト１３はその下端に接続端子１３ａが形成され、さらにその下面に形成された印刷配線パターン２２の接続端子２２ａに半田付けされているから、図９に示す従来例の如く中心コンタクト５の接続端子５ａを外部シェル３の外側へ延設すべく当該外部シェル３の下端を通過させる延長部材５ｂが不要となるので、その全高Ｈ１（図５）は図９に示す従来のリセプタクル２の全高Ｈと比較して、少なくとも延長部材５ｂの板厚ｈ分だけ低く（Ｈ１＜Ｈ）設定することができ、このため同軸ケーブル用コネクタ１０を使用する電子機器の一層の薄型化を促進することができる。    According to the receptacle 11 according to the present invention mounted on the printed wiring board 20 described above, as shown in FIG. 5 which is shown in a fragmentary sectional view of FIG. 4, the center contact 13 is formed with a connection terminal 13a at the lower end thereof. Since it is soldered to the connection terminal 22a of the printed wiring pattern 22 formed on its lower surface, the external connection terminal 5a of the center contact 5 is extended to the outside of the external shell 3 as in the conventional example shown in FIG. Since the extension member 5b that passes through the lower end of the shell 3 is not necessary, the total height H1 (FIG. 5) is at least the thickness h of the extension member 5b as compared with the total height H of the conventional receptacle 2 shown in FIG. It can be set to a low value (H1 <H), and therefore, further thinning of the electronic device using the coaxial cable connector 10 can be promoted.

以上説明したように、この発明は、製造コストの低減、および電子機器の薄型化を達成する同軸ケーブル用コネクタに適している。     As described above, the present invention is suitable for a coaxial cable connector that achieves reduction in manufacturing cost and thickness reduction of an electronic device.

図１はこの発明に係る同軸ケーブル用コネクタのリセプタクルを示す概念斜視図。FIG. 1 is a conceptual perspective view showing a receptacle of a coaxial cable connector according to the present invention. 図２は図１のＡＡ断面図。2 is a cross-sectional view taken along the line AA in FIG. 図３は印刷配線基板に対するこの発明のリセプタクルの取付け方法を示す概念斜視図。FIG. 3 is a conceptual perspective view showing a method of attaching the receptacle of the present invention to a printed wiring board. 図４は印刷配線基板に対するこの発明のリセプタクルの取付け方法を示す概念斜視図。FIG. 4 is a conceptual perspective view showing a method of attaching the receptacle of the present invention to a printed wiring board. 図５は図４の要部破断面図。FIG. 5 is a fragmentary sectional view of the main part of FIG. 4. 図６は従来の同軸ケーブル用コネクタのリセプタクルを示す概念斜視図。FIG. 6 is a conceptual perspective view showing a conventional receptacle for a coaxial cable connector. 図７は図１のＡＡ概念断面図。FIG. 7 is a conceptual cross-sectional view of FIG. 図８は印刷配線基板に対する従来のリセプタクルの取付け方法を示す図。FIG. 8 is a view showing a conventional method of attaching a receptacle to a printed wiring board. 図９は図８の要部断面図。9 is a cross-sectional view of the main part of FIG.

符号の説明Explanation of symbols

１０…同軸ケーブル用コネクタ
１２…外部シェル
１３…中心コンタクト
１３ａ…接続端子
１４…キャップ
２０…印刷配線基板 DESCRIPTION OF SYMBOLS 10 ... Connector for coaxial cables 12 ... Outer shell 13 ... Center contact 13a ... Connection terminal 14 ... Cap 20 ... Printed wiring board

Claims (2)

環状の外部シェルと円筒形の中心コンタクトとを少なくとも有し、印刷配線基板上の所定位置に電気的に接続固定される同軸ケーブル用コネクタにおいて、
前記中心コンタクトの下端に接続端子を形成するとともに、前記外部シェルと前記中心コンタクトとに着脱自在に嵌着し、前記中心コンタクトを前記環状の外部シェルの中心に位置決め支承するキャップを具えたことを特徴とする同軸ケーブル用コネクタ。 In a coaxial cable connector that has at least an annular outer shell and a cylindrical center contact, and is electrically connected and fixed at a predetermined position on a printed wiring board.
A connection terminal is formed at a lower end of the center contact, and a cap is provided that is detachably fitted to the outer shell and the center contact and positions and supports the center contact at the center of the annular outer shell. Characteristic coaxial cable connector. 前記キャップは、前記外部シェルと前記中心コンタクトとが前記印刷配線基板の所定位置に電気的に接続固定された後は、取り外されることを特徴とする請求項１に記載の同軸ケーブル用コネクタ。 2. The coaxial cable connector according to claim 1, wherein the cap is removed after the outer shell and the center contact are electrically connected and fixed to a predetermined position of the printed wiring board. 3.
JP2003399261A 2003-11-28 2003-11-28 Connector for coaxial cable Pending JP2005158657A (en)

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Cited By (7)

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JP2007052995A (en) * 2005-08-17 2007-03-01 Smk Corp Device and method for connecting cable
KR101093631B1 (en) 2009-08-19 2011-12-15 (주)기가레인 Connector
CN102437448A (en) * 2010-07-26 2012-05-02 株式会社村田制作所 Coaxial connector plug
JP2013191341A (en) * 2012-03-13 2013-09-26 Daiichi Seiko Co Ltd Coaxial type electric connector and coaxial type electric connector device
CN104241989A (en) * 2014-09-09 2014-12-24 昆山嘉华电子有限公司 Coaxial connector and center conductor thereof
WO2017212863A1 (en) * 2016-06-10 2017-12-14 株式会社村田製作所 Connector, connector set, and connector production method
JP2018129244A (en) * 2017-02-10 2018-08-16 日本航空電子工業株式会社 connector

Cited By (10)

* Cited by examiner, † Cited by third party
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JP2007052995A (en) * 2005-08-17 2007-03-01 Smk Corp Device and method for connecting cable
JP4530282B2 (en) * 2005-08-17 2010-08-25 Ｓｍｋ株式会社 Cable connection method
KR101093631B1 (en) 2009-08-19 2011-12-15 (주)기가레인 Connector
CN102437448A (en) * 2010-07-26 2012-05-02 株式会社村田制作所 Coaxial connector plug
JP2013191341A (en) * 2012-03-13 2013-09-26 Daiichi Seiko Co Ltd Coaxial type electric connector and coaxial type electric connector device
TWI496356B (en) * 2012-03-13 2015-08-11 Dai Ichi Seiko Co Ltd Coaxial type electric connector and coaxial type electric connector apparatus
CN104241989A (en) * 2014-09-09 2014-12-24 昆山嘉华电子有限公司 Coaxial connector and center conductor thereof
WO2017212863A1 (en) * 2016-06-10 2017-12-14 株式会社村田製作所 Connector, connector set, and connector production method
TWI646739B (en) * 2016-06-10 2019-01-01 日商村田製作所股份有限公司 Connector, connector group and manufacturing method of connector
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