JP6915684B2 - L-type coaxial connector and L-type coaxial connector with coaxial cable - Google Patents

L-type coaxial connector and L-type coaxial connector with coaxial cable Download PDF

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JP6915684B2
JP6915684B2 JP2019522158A JP2019522158A JP6915684B2 JP 6915684 B2 JP6915684 B2 JP 6915684B2 JP 2019522158 A JP2019522158 A JP 2019522158A JP 2019522158 A JP2019522158 A JP 2019522158A JP 6915684 B2 JP6915684 B2 JP 6915684B2
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coaxial cable
terminal
claw
conductor portion
insulating member
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JPWO2018221354A1 (en
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氷見　佳弘
佳弘 氷見
葵 田中
葵 田中
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Murata Manufacturing Co Ltd
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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
    • 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
    • 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

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Description

本発明は、Ｌ型同軸コネクタおよび同軸ケーブル付きＬ型同軸コネクタに関する。 The present invention relates to an L-type coaxial connector and an L-type coaxial connector with a coaxial cable.

従来より、同軸ケーブルが接続されるＬ型同軸コネクタ、および同軸ケーブル付きＬ型同軸コネクタが知られている（例えば、特許文献１参照）。 Conventionally, an L-type coaxial connector to which a coaxial cable is connected and an L-type coaxial connector with a coaxial cable are known (see, for example, Patent Document 1).

特許文献１のＬ型同軸コネクタは、同軸ケーブルの中心導体部に接続される内部端子と、同軸ケーブルの外部導体部に接続される外部端子（ハウジング）と、内部端子と外部端子の間に配置される絶縁性部材（ブッシング）とを備える。当該同軸コネクタを相手方のコネクタに接続する際には、同軸コネクタの内部端子および外部端子を、対応する相手方コネクタのそれぞれの端子に嵌合させる。 The L-shaped coaxial connector of Patent Document 1 is arranged between an internal terminal connected to the central conductor portion of the coaxial cable, an external terminal (housing) connected to the external conductor portion of the coaxial cable, and the internal terminal and the external terminal. It is provided with an insulating member (bushing) to be formed. When connecting the coaxial connector to the connector of the other party, the internal terminal and the external terminal of the coaxial connector are fitted to the respective terminals of the corresponding counterparty connector.

特許文献１の同軸コネクタにおいて、ハウジングである外部端子には、絶縁性部材および内部端子を固定するためのかしめ係合部を設けられる。かしめ係合部は、同軸ケーブルの周方向に折り曲げ可能な３対の爪部により構成されている。そのうちの１対の爪部が同軸ケーブルの外部導体部に接触して導通する。他の２対の爪部は絶縁部分に接触して保持するのみであり、同軸ケーブルには導通していない。 In the coaxial connector of Patent Document 1, the external terminal, which is a housing, is provided with an insulating member and a caulking engaging portion for fixing the internal terminal. The caulking engagement portion is composed of three pairs of claw portions that can be bent in the circumferential direction of the coaxial cable. A pair of claws come into contact with the outer conductor of the coaxial cable to conduct conduction. The other two pairs of claws only contact and hold the insulating portion and are not conductive to the coaxial cable.

特開２０１５−２１１０３７号公報Japanese Unexamined Patent Publication No. 2015-21017

特許文献１の同軸コネクタでは、同軸ケーブルの軸方向において中心導体部を除く部分の周囲において、ハウジングである外部端子がグランド側電極として機能するが、同軸ケーブルの外部導体部に接触する爪部と、絶縁部分に接触する爪部との隙間が存在していた。この隙間の部分が電気的な切れ目となり、電磁界が乱されて、電気特性が劣化するおそれがあった。 In the coaxial connector of Patent Document 1, the external terminal which is a housing functions as a ground side electrode around the portion excluding the central conductor portion in the axial direction of the coaxial cable, but the claw portion which contacts the external conductor portion of the coaxial cable , There was a gap with the claw part that came into contact with the insulating part. This gap portion becomes an electrical break, which disturbs the electromagnetic field and may deteriorate the electrical characteristics.

従って、本発明の目的は、前記問題を解決することにあって、電気特性の劣化を抑制することができるＬ型同軸コネクタおよび同軸ケーブル付きＬ型同軸コネクタを提供することにある。 Therefore, an object of the present invention is to provide an L-type coaxial connector capable of suppressing deterioration of electrical characteristics and an L-type coaxial connector with a coaxial cable in order to solve the above problems.

前記目的を達成するために、本発明の同軸ケーブル付きＬ型同軸コネクタは、中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルと、前記同軸ケーブルの前記中心導体部に接続される内部端子と、前記同軸ケーブルの前記外部導体部に接続される外部端子と、前記内部端子と前記外部端子の間に配置される絶縁性部材と、を備える同軸ケーブル付きＬ型同軸コネクタであって、前記外部端子は、前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部に係合する第２の爪部とを有し、前記第１の爪部は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部に係合する位置まで延びるように形成される。 In order to achieve the above object, the L-shaped coaxial connector with a coaxial cable of the present invention includes a coaxial cable having a central conductor portion and an outer conductor portion arranged around the central conductor portion, and the central conductor of the coaxial cable. L-shaped with coaxial cable including an internal terminal connected to the portion, an external terminal connected to the external conductor portion of the coaxial cable, and an insulating member arranged between the internal terminal and the external terminal. In the coaxial connector, the external terminal is a holding portion that extends along the coaxial cable and the insulating member to hold them, and a caulking section that is crimped from the holding portion toward the coaxial cable. The caulking engaging portion includes a joint portion, and the caulking engaging portion includes a first claw portion that engages with the insulating member around a portion where the central conductor portion and the internal terminal of the coaxial cable are connected, and the coaxial cable. It has a second claw portion that engages with the outer conductor portion of the coaxial cable, and the first claw portion extends to a position that engages with the outer conductor portion of the coaxial cable in the axial direction of the coaxial cable. Is formed as follows.

また本発明のＬ型同軸コネクタは、中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルが接続されるＬ型同軸コネクタであって、前記同軸ケーブルの前記中心導体部に接続される内部端子と、前記同軸ケーブルの前記外部導体部に接続される外部端子と、前記内部端子と前記外部端子との間に配置される絶縁性部材と、を備え、前記外部端子は、前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部に係合する第２の爪部とを有し、前記第１の爪部は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部に係合する位置まで延びるように形成される。 Further, the L-shaped coaxial connector of the present invention is an L-shaped coaxial connector to which a coaxial cable having a central conductor portion and an external conductor portion arranged around the central conductor portion is connected, and the central conductor of the coaxial cable. The external terminal includes an internal terminal connected to the portion, an external terminal connected to the external conductor portion of the coaxial cable, and an insulating member arranged between the internal terminal and the external terminal. Includes a holding portion that extends along the coaxial cable and the insulating member to hold them, and a caulking engaging portion that is crimped from the holding portion toward the coaxial cable. The joint portion engages with the first claw portion that engages with the insulating member around the portion where the central conductor portion of the coaxial cable and the internal terminal are connected, and the outer conductor portion of the coaxial cable. It has a second claw portion, and the first claw portion is formed so as to extend in the axial direction of the coaxial cable to a position where it engages with the outer conductor portion of the coaxial cable.

本発明のＬ型同軸コネクタおよび同軸ケーブル付きＬ型同軸コネクタによれば、電気特性の劣化を抑制することができる。 According to the L-type coaxial connector of the present invention and the L-type coaxial connector with a coaxial cable, deterioration of electrical characteristics can be suppressed.

実施の形態のプラグケーブルの斜視図Perspective view of the plug cable of the embodiment 実施の形態のプラグケーブルに接続される相手方コネクタの斜視図Perspective view of the mating connector connected to the plug cable of the embodiment 実施の形態のプラグケーブルの平面図Top view of the plug cable of the embodiment 実施の形態のプラグケーブルの背面図Rear view of the plug cable of the embodiment 実施の形態のプラグケーブルの分解斜視図An exploded perspective view of the plug cable of the embodiment 実施の形態のプラグケーブルの完成前の状態を示す斜視図A perspective view showing a state before completion of the plug cable of the embodiment. 図６の平面図Top view of FIG. 図７のＸ−Ｘ断面図XX sectional view of FIG. 実施の形態のプラグケーブルに用いられる内部端子の斜視図Perspective view of internal terminals used in the plug cable of the embodiment 実施の形態のプラグケーブルに用いられる内部端子の平面図Top view of the internal terminals used in the plug cable of the embodiment 実施の形態のプラグケーブルに用いられる内部端子の縦断面図Longitudinal section of the internal terminal used in the plug cable of the embodiment

本発明の第１態様によれば、中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルと、前記同軸ケーブルの前記中心導体部に接続される内部端子と、前記同軸ケーブルの前記外部導体部に接続される外部端子と、前記内部端子と前記外部端子の間に配置される絶縁性部材と、を備える同軸ケーブル付きＬ型同軸コネクタであって、前記外部端子は、前記同軸ケーブルの軸方向に交差する方向に筒状に延びる筒状部と、前記筒状部から前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部に係合する第２の爪部とを有し、前記第１の爪部は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部に係合する位置まで延びるように形成される、同軸ケーブル付きＬ型同軸コネクタを提供する。 According to the first aspect of the present invention, a coaxial cable having a central conductor portion and an outer conductor portion arranged around the central conductor portion, an internal terminal connected to the central conductor portion of the coaxial cable, and the said. An L-shaped coaxial connector with a coaxial cable including an external terminal connected to the external conductor portion of the coaxial cable and an insulating member arranged between the internal terminal and the external terminal, wherein the external terminal is A tubular portion extending in a tubular shape in a direction intersecting the axial direction of the coaxial cable, and a holding portion extending from the tubular portion along the coaxial cable and the insulating member to hold them. A caulking engaging portion crimped from the holding portion toward the coaxial cable is provided, and the caulking engaging portion has the insulating property around a portion where the central conductor portion and the internal terminal of the coaxial cable are connected. It has a first claw portion that engages with a member and a second claw portion that engages with the outer conductor portion of the coaxial cable, and the first claw portion is in the axial direction of the coaxial cable. Provided is an L-shaped coaxial connector with a coaxial cable, which is formed so as to extend to a position where the coaxial cable engages with the outer conductor portion.

このような構成によれば、第１の爪部が外部導体部と導通しない場合に比べて、同軸ケーブルの軸方向における電気的な切れ目が生じないようにすることができ、電気特性の劣化を抑制することができる。 According to such a configuration, it is possible to prevent an electrical break in the axial direction of the coaxial cable as compared with the case where the first claw portion does not conduct with the outer conductor portion, and the deterioration of the electrical characteristics can be prevented. It can be suppressed.

本発明の第２態様によれば、前記第１の爪部が前記絶縁性部材に接触する箇所は、前記第１の爪部が前記外部導体部に接触する箇所よりも、前記保持部から近い距離に設定される、第１態様に記載の同軸ケーブル付きＬ型同軸コネクタを提供する。このような構成によれば、絶縁性部材に接触する第１の爪部を同軸ケーブルの軸方向に伸ばして外部導体部に接触させることができ、第１の爪部を外部導体部に押し付けるように接触させることができる。これにより、簡易な構成を用いながら第１の爪部と外部導体部との接触を確実に確保することができる。 According to the second aspect of the present invention, the portion where the first claw portion contacts the insulating member is closer to the holding portion than the portion where the first claw portion contacts the outer conductor portion. The L-shaped coaxial connector with a coaxial cable according to the first aspect, which is set to a distance, is provided. According to such a configuration, the first claw portion in contact with the insulating member can be extended in the axial direction of the coaxial cable to be brought into contact with the outer conductor portion, and the first claw portion is pressed against the outer conductor portion. Can be contacted with. Thereby, it is possible to surely secure the contact between the first claw portion and the outer conductor portion while using a simple structure.

本発明の第３態様によれば、中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルが接続されるＬ型同軸コネクタであって、前記同軸ケーブルの前記中心導体部に接続される内部端子と、前記同軸ケーブルの前記外部導体部に接続される外部端子と、前記内部端子と前記外部端子との間に配置される絶縁性部材と、を備え、前記外部端子は、前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部に係合する第２の爪部とを有し、前記第１の爪部は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部に係合する位置まで延びるように形成される、Ｌ型同軸コネクタを提供する。 According to the third aspect of the present invention, it is an L-shaped coaxial connector to which a coaxial cable having a central conductor portion and an outer conductor portion arranged around the central conductor portion is connected, and the central conductor of the coaxial cable. The external terminal includes an internal terminal connected to the portion, an external terminal connected to the external conductor portion of the coaxial cable, and an insulating member arranged between the internal terminal and the external terminal. Includes a holding portion that extends along the coaxial cable and the insulating member to hold them, and a caulking engaging portion that is crimped from the holding portion toward the coaxial cable. The joint portion engages with the first claw portion that engages with the insulating member around the portion where the central conductor portion of the coaxial cable and the internal terminal are connected, and the outer conductor portion of the coaxial cable. It has a second claw portion, and the first claw portion is formed so as to extend in the axial direction of the coaxial cable to a position where it engages with the outer conductor portion of the coaxial cable. Provide a connector.

このような構成によれば、第１の爪部が外部導体部と導通しない場合に比べて、同軸ケーブルの軸方向における電気的な切れ目が生じないようにすることができ、電気特性の劣化を抑制することができる。 According to such a configuration, it is possible to prevent an electrical break in the axial direction of the coaxial cable as compared with the case where the first claw portion does not conduct with the outer conductor portion, and the deterioration of the electrical characteristics can be prevented. It can be suppressed.

本発明の第４態様によれば、前記第１の爪部が前記絶縁性部材に接触する箇所は、前記第１の爪部が前記外部導体部に接触する箇所よりも、前記保持部から近い距離に設定される、第３態様に記載のＬ型同軸コネクタを提供する。このような構成によれば、絶縁性部材に接触する第１の爪部を同軸ケーブルの軸方向に伸ばして外部導体部に接触させることができ、第１の爪部を外部導体部に押し付けるように接触させることができる。これにより、簡易な構成を用いながら第１の爪部と外部導体部との接触を確実に確保することができる。 According to the fourth aspect of the present invention, the portion where the first claw portion contacts the insulating member is closer to the holding portion than the portion where the first claw portion contacts the outer conductor portion. The L-shaped coaxial connector according to the third aspect, which is set to a distance, is provided. According to such a configuration, the first claw portion in contact with the insulating member can be extended in the axial direction of the coaxial cable to be brought into contact with the outer conductor portion, and the first claw portion is pressed against the outer conductor portion. Can be contacted with. Thereby, it is possible to surely secure the contact between the first claw portion and the outer conductor portion while using a simple structure.

以下に、本発明にかかる実施の形態を図面に基づいて詳細に説明する。 Hereinafter, embodiments according to the present invention will be described in detail with reference to the drawings.

（実施の形態） (Embodiment)

図１は、実施の形態の同軸ケーブル付きＬ型同軸コネクタ（以下、プラグケーブルと称する。）２を示す斜視図である。 FIG. 1 is a perspective view showing an L-shaped coaxial connector (hereinafter, referred to as a plug cable) 2 with a coaxial cable according to the embodiment.

図１に示すプラグケーブル２は、同軸ケーブル４と、同軸ケーブル４が接続されるＬ型同軸コネクタ（第１のコネクタ）６とを備える。プラグケーブル２を使用する際には、Ｌ型同軸コネクタ６を図２に示す相手方コネクタ（第２のコネクタ）８に嵌合させる。 The plug cable 2 shown in FIG. 1 includes a coaxial cable 4 and an L-shaped coaxial connector (first connector) 6 to which the coaxial cable 4 is connected. When using the plug cable 2, the L-shaped coaxial connector 6 is fitted into the mating connector (second connector) 8 shown in FIG.

本実施の形態では、図２に示す相手方コネクタ８は、内部端子（センターソケット）９と、外部端子１１と、内部端子９と外部端子１１の間に配置される絶縁性部材（樹脂モールドケース）１３とを備える。 In the present embodiment, the mating connector 8 shown in FIG. 2 is an insulating member (resin mold case) arranged between the internal terminal (center socket) 9, the external terminal 11, and the internal terminal 9 and the external terminal 11. 13 and.

図１に示すＬ型同軸コネクタ６が同軸ケーブル４に接続されるのに対して、図２に示す相手方コネクタ８は、外部端子１１の裏面に基板（図示せず）が実装される。すなわち、本実施の形態のプラグケーブル２および相手方コネクタ８の組合せは、「基板」と「基板」を接続するいわゆる「ボードトゥボード」とは異なり、「同軸ケーブル」と「基板」を接続する接続形態である。 While the L-shaped coaxial connector 6 shown in FIG. 1 is connected to the coaxial cable 4, the mating connector 8 shown in FIG. 2 has a substrate (not shown) mounted on the back surface of the external terminal 11. That is, the combination of the plug cable 2 and the mating connector 8 of the present embodiment is different from the so-called "board-to-board" that connects the "board" and the "board", and is a connection that connects the "coaxial cable" and the "board". It is a form.

図２に示す内部端子９は、オス形状の端子を受け入れるメス形状を有する。これより、相手方コネクタ８は、図１に示すプラグケーブル２に対するプラグレセプタクルとなる。なお、オス形状は外周部に接触表面を有し、メス形状は内周部に接触表面を有する。 The internal terminal 9 shown in FIG. 2 has a female shape that accepts a male-shaped terminal. As a result, the mating connector 8 becomes a plug receptacle for the plug cable 2 shown in FIG. The male shape has a contact surface on the outer peripheral portion, and the female shape has a contact surface on the inner peripheral portion.

次に、図１、図３−図８を用いて、プラグケーブル２の各構成要素について説明する。図３は、プラグケーブル２の平面図であり、図４は、プラグケーブル２の背面図であり、図５は、プラグケーブル２の分解斜視図である。図６は、図５に示す各構成要素がプラグケーブル２内に配置された後、かつ、固定される前の状態を示す斜視図であり、図７は、図６の平面図であり、図８は、図７のＸ−Ｘ断面図である。 Next, each component of the plug cable 2 will be described with reference to FIGS. 1, 3 and 8. FIG. 3 is a plan view of the plug cable 2, FIG. 4 is a rear view of the plug cable 2, and FIG. 5 is an exploded perspective view of the plug cable 2. FIG. 6 is a perspective view showing a state after each component shown in FIG. 5 is arranged in the plug cable 2 and before it is fixed, and FIG. 7 is a plan view of FIG. 8 is a cross-sectional view taken along the line XX of FIG.

同軸ケーブル４は、図５などに示すように、中心導体部（芯線）１０と、絶縁体１２と、外部導体部１４と、絶縁被膜（外皮）１６とを備える。同軸ケーブル４の軸方向Ａにおいて、同軸ケーブル４の先端側から順に、中心導体部１０、絶縁体１２、外部導体部１４、絶縁被膜１６が露出している。 As shown in FIG. 5, the coaxial cable 4 includes a central conductor portion (core wire) 10, an insulator 12, an outer conductor portion 14, and an insulating coating (skin) 16. In the axial direction A of the coaxial cable 4, the central conductor portion 10, the insulator 12, the outer conductor portion 14, and the insulating coating 16 are exposed in this order from the tip end side of the coaxial cable 4.

中心導体部１０には、後述するＬ型同軸コネクタ６の内部端子１８が接続され、外部導体部１４には、後述するＬ型同軸コネクタ６の外部端子２２が接続される。 The internal terminal 18 of the L-shaped coaxial connector 6 described later is connected to the central conductor portion 10, and the external terminal 22 of the L-shaped coaxial connector 6 described later is connected to the external conductor portion 14.

同軸ケーブル４が接続されるＬ型同軸コネクタ６は、内部端子（センターピン）１８と、絶縁性部材（ブッシング）２０と、外部端子（ハウジング）２２とを備える。 The L-shaped coaxial connector 6 to which the coaxial cable 4 is connected includes an internal terminal (center pin) 18, an insulating member (bushing) 20, and an external terminal (housing) 22.

内部端子１８は、前述したように同軸ケーブル４の中心導体部１０に接続される端子である。同様に、外部端子２２は、同軸ケーブル４の外部導体部１４に接続される端子である。内部端子１８と外部端子２２は絶縁性部材２０によって互いに電気的に絶縁されている。 The internal terminal 18 is a terminal connected to the central conductor portion 10 of the coaxial cable 4 as described above. Similarly, the external terminal 22 is a terminal connected to the external conductor portion 14 of the coaxial cable 4. The internal terminal 18 and the external terminal 22 are electrically insulated from each other by an insulating member 20.

本実施の形態における内部端子１８は１枚の金属板により作製されている。同様に、外部端子２２も１枚の金属板により作製されている。内部端子１８および外部端子２２は導電性を有する部材で構成され、本実施の形態では、銅合金素材の表面にニッケルと金のめっきを施して形成されている。 The internal terminal 18 in the present embodiment is made of one metal plate. Similarly, the external terminal 22 is also made of one metal plate. The internal terminal 18 and the external terminal 22 are made of a conductive member, and in the present embodiment, the surface of the copper alloy material is plated with nickel and gold.

絶縁性部材２０は、内部端子１８と外部端子２２の間に配置され、内部端子１８と外部端子２２を互いに電気的に絶縁する部材である。絶縁性部材２０は例えば、液晶ポリマーなどの樹脂を主材料として形成される。 The insulating member 20 is a member that is arranged between the internal terminal 18 and the external terminal 22 and electrically insulates the internal terminal 18 and the external terminal 22 from each other. The insulating member 20 is formed using, for example, a resin such as a liquid crystal polymer as a main material.

図５などに示すように、内部端子１８は、第１端子部２４と、第２端子部２６とを備える。 As shown in FIG. 5 and the like, the internal terminal 18 includes a first terminal portion 24 and a second terminal portion 26.

第１端子部２４は、前述した相手方コネクタ８の内部端子９に挿入される端子部分である。本実施の形態の第１端子部は、外周部に接触表面を有するオス型として構成される。内部端子１８をオス型（ピン型）とすることで、相手方コネクタ８の内部端子９のようなメス型（ソケット型）とする場合に比べて小型化することができる。 The first terminal portion 24 is a terminal portion inserted into the internal terminal 9 of the other party connector 8 described above. The first terminal portion of the present embodiment is configured as a male type having a contact surface on the outer peripheral portion. By making the internal terminal 18 a male type (pin type), it is possible to reduce the size as compared with the case of making a female type (socket type) such as the internal terminal 9 of the mating connector 8.

本実施の形態における第１端子部２４は、同軸ケーブル４の軸方向Ａに直交する方向である挿入方向Ｂに延びる大略円筒状の部材として構成される。 The first terminal portion 24 in the present embodiment is configured as a substantially cylindrical member extending in the insertion direction B, which is a direction orthogonal to the axial direction A of the coaxial cable 4.

本実施の形態では、第１端子部２４に挿入穴２８が設けられている。挿入穴２８は、後述する絶縁性部材２０の突出部４６を挿入するための穴である。挿入穴２８に突出部４６を挿入することにより、第１端子部２４の小型化に伴う強度低下を抑制し、第１端子部２４の強度を補強することができる。第１端子部２４のより詳細な形状については後述する。 In the present embodiment, the first terminal portion 24 is provided with an insertion hole 28. The insertion hole 28 is a hole for inserting the protruding portion 46 of the insulating member 20, which will be described later. By inserting the protruding portion 46 into the insertion hole 28, it is possible to suppress a decrease in strength due to the miniaturization of the first terminal portion 24 and to reinforce the strength of the first terminal portion 24. A more detailed shape of the first terminal portion 24 will be described later.

第２端子部２６は、第１端子部２４から横方向に延びる板状の端子部分である。第２端子部２６は、図６、図７に示す組立後の状態において、同軸ケーブル４の中心導体部１０に接続される。本実施の形態における第２端子部２６は、挿入方向Ｂに対して垂直な平板状の部材である。 The second terminal portion 26 is a plate-shaped terminal portion extending laterally from the first terminal portion 24. The second terminal portion 26 is connected to the central conductor portion 10 of the coaxial cable 4 in the assembled state shown in FIGS. 6 and 7. The second terminal portion 26 in the present embodiment is a flat plate-shaped member perpendicular to the insertion direction B.

第２端子部２６の先端には、二股に分かれた二股部３０が設けられている。二股部３０は、図６、図７に示す組立後の状態において、同軸ケーブル４の中心導体部１０を幅方向Ｃに挟むように配置される。幅方向Ｃは、軸方向Ａと挿入方向Ｂの両方に垂直な方向である。二股部３０と中心導体部１０は、はんだ付けによって互いに固定される。 A bifurcated portion 30 is provided at the tip of the second terminal portion 26. The bifurcated portion 30 is arranged so as to sandwich the central conductor portion 10 of the coaxial cable 4 in the width direction C in the assembled state shown in FIGS. 6 and 7. The width direction C is a direction perpendicular to both the axial direction A and the insertion direction B. The bifurcated portion 30 and the central conductor portion 10 are fixed to each other by soldering.

次に、絶縁性部材２０は、図５などに示すように、土台部４４と、突出部４６と、先端部４８とを備える。 Next, as shown in FIG. 5, the insulating member 20 includes a base portion 44, a protruding portion 46, and a tip portion 48.

土台部４４は、絶縁性部材２０の土台となる部材である。土台部４４は、ハウジングである外部端子２２の中に収容される。土台部４４には、突出部４６および先端部４８が形成されている。 The base portion 44 is a member that serves as a base for the insulating member 20. The base portion 44 is housed in an external terminal 22 which is a housing. A protruding portion 46 and a tip portion 48 are formed on the base portion 44.

突出部４６は、土台部４４から挿入方向Ｂに突出する部材である。突出部４６は前述したように、内部端子１８の第１端子部２４の挿入穴２８に挿入することにより、第１端子部２４の強度を補強する機能を有する。 The protruding portion 46 is a member that protrudes from the base portion 44 in the insertion direction B. As described above, the protruding portion 46 has a function of reinforcing the strength of the first terminal portion 24 by inserting it into the insertion hole 28 of the first terminal portion 24 of the internal terminal 18.

先端部４８は、軸方向Ａにおける土台部４４の先端に設けられた部材である。本実施の形態では、幅方向Ｃに間隔を空けて設けられた一対の部材として先端部４８が設けられている。 The tip portion 48 is a member provided at the tip of the base portion 44 in the axial direction A. In the present embodiment, the tip portion 48 is provided as a pair of members provided at intervals in the width direction C.

先端部４８は、図６、図７に示す組立後の状態において、同軸ケーブル４の絶縁体１２に接触して同軸ケーブル４を保持・固定する機能を有する。このように、先端部４８は、同軸ケーブル４と内部端子１８の接続箇所、すなわち、同軸ケーブル４の中心導体部１０と内部端子１８の二股部３０の接続箇所を保持する機能を有する。 The tip portion 48 has a function of contacting the insulator 12 of the coaxial cable 4 to hold and fix the coaxial cable 4 in the assembled state shown in FIGS. 6 and 7. As described above, the tip portion 48 has a function of holding the connection portion between the coaxial cable 4 and the internal terminal 18, that is, the connection portion between the central conductor portion 10 of the coaxial cable 4 and the bifurcated portion 30 of the internal terminal 18.

次に、外部端子２２は、図５などに示すように、筒状部３２と、保持部３４と、固定部３５と、かしめ係合部３６（図１）とを備える。 Next, as shown in FIG. 5, the external terminal 22 includes a tubular portion 32, a holding portion 34, a fixing portion 35, and a caulking engaging portion 36 (FIG. 1).

筒状部３２は、前述した相手方コネクタ８の外部端子１１に嵌合する筒状の部材である。本実施の形態における筒状部３２は、挿入方向Ｂに延びる円筒状（大略円筒状）の形状を有する。図６、図７に示す組立後の状態において、筒状部３２の内側には、内部端子１８の第１端子部２４が配置される。 The tubular portion 32 is a tubular member that fits into the external terminal 11 of the mating connector 8 described above. The tubular portion 32 in the present embodiment has a cylindrical (generally cylindrical) shape extending in the insertion direction B. In the assembled state shown in FIGS. 6 and 7, the first terminal portion 24 of the internal terminal 18 is arranged inside the tubular portion 32.

外部端子２２の筒状部３２を円筒状とし、内部端子１８の第１端子部２４も円筒状とすることで、挿入方向Ｂに垂直な径方向において互いに一定の距離を保ち、局所的に狭くならない。これにより、筒状部３２と第１端子部２４の容量増加による特性インピーダンスの低下を防ぎ、結果として反射特性の悪化を防ぐことができる。 By making the tubular portion 32 of the external terminal 22 cylindrical and the first terminal portion 24 of the internal terminal 18 also cylindrical, a constant distance from each other is maintained in the radial direction perpendicular to the insertion direction B, and the internal terminal 18 is locally narrowed. It doesn't become. As a result, it is possible to prevent a decrease in the characteristic impedance due to an increase in the capacitance of the tubular portion 32 and the first terminal portion 24, and as a result, prevent deterioration of the reflection characteristics.

保持部３４は、筒状部３２から横方向に延びる板状の部材である。保持部３４は、図６、図７に示す組立後の状態において、絶縁性部材２０および同軸ケーブル４に沿うように配置され、絶縁性部材２０および同軸ケーブル４を保持する。保持部３４には、筒状部３２、固定部３５およびかしめ係合部３６（図１参照）が形成されている。 The holding portion 34 is a plate-shaped member extending laterally from the tubular portion 32. The holding portion 34 is arranged along the insulating member 20 and the coaxial cable 4 in the assembled state shown in FIGS. 6 and 7, and holds the insulating member 20 and the coaxial cable 4. The holding portion 34 is formed with a tubular portion 32, a fixing portion 35, and a caulking engaging portion 36 (see FIG. 1).

固定部３５は、保持部３４から挿入方向Ｂに突出するように設けられた板状の部材である。固定部３５は、図６、図７に示す組立後の状態において、絶縁性部材２０の先端部４８を幅方向Ｃに挟むように配置される。このように配置される固定部３５は、先端部４８および先端部４８の内側に配置された同軸ケーブル４を固定する機能を有する。 The fixing portion 35 is a plate-shaped member provided so as to project from the holding portion 34 in the insertion direction B. The fixing portion 35 is arranged so as to sandwich the tip portion 48 of the insulating member 20 in the width direction C in the assembled state shown in FIGS. 6 and 7. The fixing portion 35 arranged in this way has a function of fixing the tip portion 48 and the coaxial cable 4 arranged inside the tip portion 48.

かしめ係合部３６は、同軸ケーブル４および絶縁性部材２０に向けてかしめられる部材である。かしめ係合部３６をかしめることにより、同軸ケーブル４および絶縁性部材２０が一体的に固定される。 The caulking engaging portion 36 is a member that is crimped toward the coaxial cable 4 and the insulating member 20. By caulking the caulking engaging portion 36, the coaxial cable 4 and the insulating member 20 are integrally fixed.

本実施の形態におけるかしめ係合部３６は、保持部３４から同軸ケーブル４に向けて同軸ケーブル４の周方向Ｄに折り曲げられる複数の爪部により構成されている。具体的には、第１の爪部３８、第２の爪部４０および第３の爪部４２が設けられる。図５などに示すように、第１の爪部３８、第２の爪部４０および第３の爪部４２のそれぞれは、幅方向Ｃに間隔を空けて設けられた一対の板状部材により構成されている。 The caulking engaging portion 36 in the present embodiment is composed of a plurality of claws that are bent from the holding portion 34 toward the coaxial cable 4 in the circumferential direction D of the coaxial cable 4. Specifically, a first claw portion 38, a second claw portion 40, and a third claw portion 42 are provided. As shown in FIG. 5 and the like, each of the first claw portion 38, the second claw portion 40, and the third claw portion 42 is composed of a pair of plate-shaped members provided at intervals in the width direction C. Has been done.

爪部のそれぞれの機能について、図６、図７を用いて説明する。 Each function of the claw portion will be described with reference to FIGS. 6 and 7.

図６、図７に示すように、第１の爪部３８は、同軸ケーブル４の絶縁体１２の周囲に位置する絶縁性部材２０の先端部４８に接触するようにかしめられる。先端部４８に接触する第１の爪部３８は、同軸ケーブル４の中心導体部１０と内部端子１８の二股部３０の接続箇所を保持・固定する機能を有する。 As shown in FIGS. 6 and 7, the first claw portion 38 is crimped so as to come into contact with the tip portion 48 of the insulating member 20 located around the insulator 12 of the coaxial cable 4. The first claw portion 38 in contact with the tip portion 48 has a function of holding and fixing the connection portion between the central conductor portion 10 of the coaxial cable 4 and the bifurcated portion 30 of the internal terminal 18.

第２の爪部４０は、外部導体部１４に接触するようにかしめられる。外部導体部１４に接触する第２の爪部４０は、外部端子２２を同軸ケーブル４に電気的に接続する機能を有する。 The second claw portion 40 is crimped so as to come into contact with the outer conductor portion 14. The second claw portion 40 that comes into contact with the outer conductor portion 14 has a function of electrically connecting the external terminal 22 to the coaxial cable 4.

第３の爪部４２は、同軸ケーブル４の絶縁被膜１６に接触するようにかしめられる。絶縁被膜１６に接触する第３の爪部４２は、同軸ケーブル４を保持・固定する機能を有する。 The third claw portion 42 is crimped so as to come into contact with the insulating coating 16 of the coaxial cable 4. The third claw portion 42 in contact with the insulating coating 16 has a function of holding and fixing the coaxial cable 4.

これらの第１の爪部３８、第２の爪部４０および第３の爪部４２をかしめることにより、図１に示すプラグケーブル２が製造される。図１に示すプラグケーブル２において、内部端子１８は同軸ケーブル４の中心導体部１０に接続され、外部端子２２は、同軸ケーブル４の外部導体部１４に接続された状態で、保持・固定されている。図１に示すプラグケーブル２のＬ型同軸コネクタ６を相手方コネクタ８に嵌合させることにより、Ｌ型同軸コネクタ６に接続されている同軸ケーブル４と、相手方コネクタ８が実装されている基板とを電気的に接続し、高周波信号の伝送を行うことができる。 By crimping the first claw portion 38, the second claw portion 40, and the third claw portion 42, the plug cable 2 shown in FIG. 1 is manufactured. In the plug cable 2 shown in FIG. 1, the internal terminal 18 is connected to the central conductor portion 10 of the coaxial cable 4, and the external terminal 22 is held and fixed in a state of being connected to the external conductor portion 14 of the coaxial cable 4. There is. By fitting the L-shaped coaxial connector 6 of the plug cable 2 shown in FIG. 1 to the mating connector 8, the coaxial cable 4 connected to the L-shaped coaxial connector 6 and the substrate on which the mating connector 8 is mounted are connected. It can be electrically connected to transmit high frequency signals.

このような構成において、図７、図８の点線Ｅで示すように、第１の爪部３８は、同軸ケーブル４の軸方向Ａにおいて外部導体部１４に接触する位置まで延びている。点線Ｅは、軸方向Ａにおける第１の爪部３８の先端の位置を表す。第１の爪部３８を外部導体部１４に接触させることで、第２の爪部４０だけでなく第１の爪部３８も外部導体部１４に導通する。このように、第１の爪部３８は、先端部４８に接触して中心導体部１０と内部端子１８の二股部３０の接続部分を保持・固定するという機能に加えて、外部導体部１４と導通するという別の機能を兼ねている。 In such a configuration, as shown by the dotted line E in FIGS. 7 and 8, the first claw portion 38 extends to a position where it contacts the outer conductor portion 14 in the axial direction A of the coaxial cable 4. The dotted line E represents the position of the tip of the first claw portion 38 in the axial direction A. By bringing the first claw portion 38 into contact with the outer conductor portion 14, not only the second claw portion 40 but also the first claw portion 38 conducts to the outer conductor portion 14. In this way, the first claw portion 38 has a function of contacting the tip portion 48 to hold and fix the connecting portion between the central conductor portion 10 and the bifurcated portion 30 of the internal terminal 18, and the external conductor portion 14 and the external conductor portion 14. It also has another function of conducting.

上記構成に対して、かしめ係合部３６における第２の爪部４０のみが外部導体部１４に接触して、第１の爪部３８は外部導体部１４に接触しない構成が考えられる。このような構成の場合、図１に示す完成後のプラグケーブル２において、外部導体部１４に導通する第２の爪部４０と、外部導体部１４に導通しない第１の爪部３８との間で電気的な切れ目が生じ、電磁界が乱される場合がある。結果として、プラグケーブル２の電気特性が悪化する場合がある。 With respect to the above configuration, it is conceivable that only the second claw portion 40 of the caulking engaging portion 36 contacts the outer conductor portion 14, and the first claw portion 38 does not contact the outer conductor portion 14. In the case of such a configuration, in the completed plug cable 2 shown in FIG. 1, between the second claw portion 40 that conducts to the outer conductor portion 14 and the first claw portion 38 that does not conduct to the outer conductor portion 14. May cause an electrical break and disturb the electromagnetic field. As a result, the electrical characteristics of the plug cable 2 may deteriorate.

本実施の形態のプラグケーブル２では、第２の爪部４０だけでなく第１の爪部３８も外部導体部１４に接触して導通している。このため、外部端子２２において軸方向Ａの電気的な切れ目が生じないようにすることができる。図１に示すように、第１の爪部３８と第２の爪部４０の間には間隔が空いているが、この間には外部導体部１４が配置されているため、電気的な切れ目は生じない。このような構成により、プラグケーブル２の電気特性を向上させることができ、高周波信号を安定的に伝送することができる。 In the plug cable 2 of the present embodiment, not only the second claw portion 40 but also the first claw portion 38 is in contact with the outer conductor portion 14 and conducts. Therefore, it is possible to prevent an electrical break in the axial direction A from occurring at the external terminal 22. As shown in FIG. 1, there is a gap between the first claw portion 38 and the second claw portion 40, but since the outer conductor portion 14 is arranged between them, the electrical break is formed. Does not occur. With such a configuration, the electrical characteristics of the plug cable 2 can be improved, and a high frequency signal can be stably transmitted.

本実施の形態ではさらに、図８に示すように、第１の爪部３８が絶縁性部材２０の先端部４８に接触する箇所は、第１の爪部３８が外部導体部１４に接触する箇所よりも、外部端子２２の保持部３４から近い距離に設定されている。具体的には、絶縁性部材２０の先端部４８の高さ位置Ｈ１を、外部導体部１４の高さ位置Ｈ２よりも低くしている。これにより、第１の爪部３８が絶縁性部材２０の先端部４８に接触する箇所から保持部３４までの距離Ｌ１を、第１の爪部３８が外部導体部１４に接触する箇所から保持部３４までの距離Ｌ２よりも短くしている。このような配置によれば、先端部４８に接触する第１の爪部３８を軸方向Ａに伸ばして外部導体部１４に接触させるようにすれば、第１の爪部３８を外部導体部１４に押し付けるように接触させることができる。これにより、簡易な構成を用いながら第１の爪部３８と外部導体部１４との接触を確実に確保することができる。 Further, in the present embodiment, as shown in FIG. 8, the portion where the first claw portion 38 contacts the tip portion 48 of the insulating member 20 is the portion where the first claw portion 38 contacts the external conductor portion 14. The distance is set closer to the holding portion 34 of the external terminal 22. Specifically, the height position H1 of the tip 48 of the insulating member 20 is lower than the height position H2 of the outer conductor 14. As a result, the distance L1 from the portion where the first claw portion 38 contacts the tip portion 48 of the insulating member 20 to the holding portion 34 is set, and the distance L1 from the portion where the first claw portion 38 contacts the external conductor portion 14 is the holding portion. The distance to 34 is shorter than L2. According to such an arrangement, if the first claw portion 38 in contact with the tip portion 48 is extended in the axial direction A and brought into contact with the outer conductor portion 14, the first claw portion 38 can be brought into contact with the outer conductor portion 14. Can be contacted by pressing against. As a result, the contact between the first claw portion 38 and the outer conductor portion 14 can be reliably ensured while using a simple configuration.

上述した構成のプラグケーブル２において、図８にも示すように、内部端子１８の第１端子部２４の中に絶縁性部材２０の突出部４６を挿入している。これにより、内部端子１８を内側から補強しており、内部端子１８の強度を向上させている。 In the plug cable 2 having the above-described configuration, as shown in FIG. 8, the protruding portion 46 of the insulating member 20 is inserted into the first terminal portion 24 of the internal terminal 18. As a result, the internal terminal 18 is reinforced from the inside, and the strength of the internal terminal 18 is improved.

本実施の形態では、前述したように内部端子１８に第１端子部２４を設け、相手方コネクタ８の内部端子９に挿入するオス型としている。これにより、メス型のようにバネ性を確保する必要がなく、内部端子１８を小さくすることができる。さらに内部端子１８を小さくしても、第１端子部２４の挿入穴２８に絶縁性部材２０の突出部４６を差し込んで係合させているため、内部端子１８の強度を補強している。これにより、内部端子１８の小型化に伴う強度低下を抑制することができる。このようにして、内部端子１８の全体的な形状を小さくすることで、内部端子１８の周囲に配置された外部端子２２との容量結合を抑制して電気特性の劣化を抑制しつつ、同時に、プラグケーブル２の小型化、特に低背化を図ることができる。 In the present embodiment, as described above, the internal terminal 18 is provided with the first terminal portion 24, and is a male type to be inserted into the internal terminal 9 of the mating connector 8. As a result, it is not necessary to secure the springiness unlike the female type, and the internal terminal 18 can be made smaller. Even if the internal terminal 18 is made smaller, the strength of the internal terminal 18 is reinforced because the protruding portion 46 of the insulating member 20 is inserted and engaged with the insertion hole 28 of the first terminal portion 24. As a result, it is possible to suppress a decrease in strength due to the miniaturization of the internal terminal 18. By reducing the overall shape of the internal terminal 18 in this way, capacitive coupling with the external terminal 22 arranged around the internal terminal 18 is suppressed, and deterioration of electrical characteristics is suppressed, and at the same time, at the same time. The size of the plug cable 2 can be reduced, particularly the height can be reduced.

次に、図９Ａ―９Ｃを用いて、内部端子１８の詳細な構成について説明する。図９Ａは、内部端子１８の斜視図であり、図９Ｂは、内部端子１８の平面図であり、図９Ｃは、内部端子１８の縦断面図である（図７のＸ−Ｘ断面に対応）。 Next, the detailed configuration of the internal terminal 18 will be described with reference to FIGS. 9A-9C. 9A is a perspective view of the internal terminal 18, FIG. 9B is a plan view of the internal terminal 18, and FIG. 9C is a vertical sectional view of the internal terminal 18 (corresponding to the XX cross section of FIG. 7). ..

図９Ａ、９Ｃに示すように、本実施の形態の第１端子部２４は、先端が丸まった丸目の筒状に形成されている。具体的には、第１端子部２４は、円筒部５０と、凸部５２とを備える。 As shown in FIGS. 9A and 9C, the first terminal portion 24 of the present embodiment is formed in the shape of a rounded cylinder having a rounded tip. Specifically, the first terminal portion 24 includes a cylindrical portion 50 and a convex portion 52.

円筒部５０は、円筒状の部材であって、一方側は第２端子部２６につながり、他方側は凸部５２につながっている。凸部５２は、円筒部５０から挿入方向Ｂに突出した部材である。凸部５２は、挿入方向Ｂにおける第１端子部２４の先端部を構成する。 The cylindrical portion 50 is a cylindrical member, one side of which is connected to the second terminal portion 26 and the other side of which is connected to the convex portion 52. The convex portion 52 is a member that protrudes from the cylindrical portion 50 in the insertion direction B. The convex portion 52 constitutes the tip end portion of the first terminal portion 24 in the insertion direction B.

本実施の形態における凸部５２は、曲線状の表面５２ａを形成している。表面５２ａは、円筒部５０の外周面から連続的に続く面であり、第１端子部２４の中心側に向かって滑らかに湾曲している。このような表面５２ａを形成することにより、第１端子部２４の先端部が角ばった形状ではなく、丸まった形状となる。このように円筒部５０だけでなく凸部５２も丸まった形状とすることで、角ばった形状とする場合よりも、周囲に設けられた外部端子２２との容量結合を抑制することができ、プラグケーブル２の電気特性の劣化を抑制することができる。 The convex portion 52 in the present embodiment forms a curved surface 52a. The surface 52a is a surface that continuously continues from the outer peripheral surface of the cylindrical portion 50, and is smoothly curved toward the center side of the first terminal portion 24. By forming such a surface 52a, the tip portion of the first terminal portion 24 has a rounded shape instead of a square shape. By forming not only the cylindrical portion 50 but also the convex portion 52 into a rounded shape in this way, it is possible to suppress capacitive coupling with the external terminals 22 provided around the plug, as compared with the case where the convex portion 52 has a rounded shape. Deterioration of the electrical characteristics of the cable 2 can be suppressed.

さらに本実施の形態では、挿入穴２８は、円筒部５０および凸部５２の両方を挿入方向Ｂに貫通する貫通穴として形成されている。挿入穴２８を貫通穴とすることで、第１端子部２４の挿入方向Ｂにおける両端に２つの開口部２８Ａ、２８Ｂが形成される（図９Ｃ）。円筒部５０に第１の開口部２８Ａが形成され、凸部５２に第２の開口部２８Ｂが形成される。第１の開口部２８Ａは、第１端子部２４の基端部５１に形成され、第２の開口部２８Ｂは、第１端子部２４の先端部（凸部５２）に形成される。 Further, in the present embodiment, the insertion hole 28 is formed as a through hole that penetrates both the cylindrical portion 50 and the convex portion 52 in the insertion direction B. By using the insertion hole 28 as a through hole, two openings 28A and 28B are formed at both ends of the first terminal portion 24 in the insertion direction B (FIG. 9C). A first opening 28A is formed in the cylindrical portion 50, and a second opening 28B is formed in the convex portion 52. The first opening 28A is formed at the base end portion 51 of the first terminal portion 24, and the second opening portion 28B is formed at the tip end portion (convex portion 52) of the first terminal portion 24.

図９Ｃでは、第１の開口部２８Ａと第２の開口部２８Ｂが同じ直径であるように図示されているが、図９Ｃは概略図であり、同じ直径とは限らない。例えば、図８に示すように、第１の開口部２８Ａの直径が第２の開口部２８Ｂの直径よりも大きい場合であってもよい。 In FIG. 9C, the first opening 28A and the second opening 28B are shown to have the same diameter, but FIG. 9C is a schematic view and does not necessarily have the same diameter. For example, as shown in FIG. 8, the diameter of the first opening 28A may be larger than the diameter of the second opening 28B.

第１の開口部２８Ａは、前述した絶縁性部材２０の突出部４６を挿入するための挿入口である。一方、第２の開口部２８Ｂは、挿入される絶縁性部材２０の突出部４６の長さが長く設定される場合でも、突出部４６が第１端子部２４の先端部に干渉しないようにするための穴である。このように、挿入穴２８を貫通穴として形成することで、絶縁性部材２０の突出部４６の長さを長くとることができ、第１端子部２４の強度をより補強することができる。 The first opening 28A is an insertion port for inserting the protruding portion 46 of the insulating member 20 described above. On the other hand, the second opening 28B prevents the protruding portion 46 from interfering with the tip portion of the first terminal portion 24 even when the length of the protruding portion 46 of the insulating member 20 to be inserted is set to be long. It is a hole for. By forming the insertion hole 28 as a through hole in this way, the length of the protruding portion 46 of the insulating member 20 can be increased, and the strength of the first terminal portion 24 can be further reinforced.

さらに本実施の形態では、第１端子部２４の挿入穴２８の中に絶縁性部材２０の突出部４６の全体が収容されるように構成されている。具体的には、突出部４６の先端が、挿入方向Ｂにおいて第１端子部２４の凸部５２の先端（先端部）と同じ位置まで延びている（図８参照）。このように、突出部４６を内部端子１８の第１端子部２４内で挿入方向Ｂの略全長に配置することで、突出部４６を挿入穴２８から突出させないようにして他の部材との干渉を防止しながら、第１端子部２４の強度を最大限に補強することがでる。 Further, in the present embodiment, the entire protruding portion 46 of the insulating member 20 is accommodated in the insertion hole 28 of the first terminal portion 24. Specifically, the tip of the protruding portion 46 extends to the same position as the tip (tip portion) of the convex portion 52 of the first terminal portion 24 in the insertion direction B (see FIG. 8). In this way, by arranging the protruding portion 46 in the first terminal portion 24 of the internal terminal 18 over the substantially overall length of the insertion direction B, the protruding portion 46 is prevented from protruding from the insertion hole 28 and interferes with other members. It is possible to reinforce the strength of the first terminal portion 24 to the maximum while preventing the above.

次に、第２端子部２６の先端に設けた二股部３０について説明する。 Next, the bifurcated portion 30 provided at the tip of the second terminal portion 26 will be described.

本実施の形態では、第２端子部２６に二股部３０を形成し、前述した同軸ケーブル４の中心導体部１０を挟むように構成している。このような二股部３０を用いて中心導体部１０と接続することで、簡易な構成により中心導体部１０と接続することができる。また、二股部３０は中心導体部１０と同様に軸方向Ａに延びた部分であり、上下方向（挿入方向Ｂ）の凹凸を有しない。このような構成によれば、二股部３０が軸方向Ａではなく上下方向に二股に分かれて中心導体部１０と接触する場合に比べて、接触面積を大きく確保できる。また上下方向の凹凸を有しないことで、外部端子２２との容量結合も抑制することができる。 In the present embodiment, the bifurcated portion 30 is formed in the second terminal portion 26 so as to sandwich the central conductor portion 10 of the coaxial cable 4 described above. By connecting to the central conductor portion 10 using such a bifurcated portion 30, it is possible to connect to the central conductor portion 10 with a simple configuration. Further, the bifurcated portion 30 is a portion extending in the axial direction A like the central conductor portion 10, and does not have unevenness in the vertical direction (insertion direction B). According to such a configuration, a large contact area can be secured as compared with the case where the bifurcated portion 30 is bifurcated in the vertical direction instead of the axial direction A and comes into contact with the central conductor portion 10. Further, by not having unevenness in the vertical direction, capacitive coupling with the external terminal 22 can be suppressed.

さらに本実施の形態では、二股部３０の第１の延在部３０Ａおよび第２の延在部３０Ｂにおいて、それぞれの幅を同じで一定とし、かつ、それぞれの厚みも同じで一定としている。 Further, in the present embodiment, the width of each of the first extending portion 30A and the second extending portion 30B of the bifurcated portion 30 is the same and constant, and the thickness of each is also the same and constant.

具体的には、図９Ｂに示すように、第１の延在部３０Ａおよび第２の延在部３０Ｂのそれぞれの幅は長さＤ１で同じであり、かつ、軸方向Ａにおいても一定である。同様に、図９Ｃに示すように、第１の延在部３０Ａおよび第２の延在部３０Ｂのそれぞれの厚みは長さＤ２で同じであり、かつ、軸方向Ａにおいても一定である。 Specifically, as shown in FIG. 9B, the widths of the first extending portion 30A and the second extending portion 30B are the same in the length D1 and are also constant in the axial direction A. .. Similarly, as shown in FIG. 9C, the thicknesses of the first extending portion 30A and the second extending portion 30B are the same in the length D2 and are also constant in the axial direction A.

このような構成によれば、第１の延在部３０Ａおよび第２の延在部３０Ｂの幅や厚みが異なる場合や一定でない場合に比べて、外部端子２２との容量結合を抑制することができ、プラグケーブル２の電気特性の劣化を抑制することができる。 According to such a configuration, the capacitive coupling with the external terminal 22 can be suppressed as compared with the case where the width and thickness of the first extending portion 30A and the second extending portion 30B are different or not constant. Therefore, deterioration of the electrical characteristics of the plug cable 2 can be suppressed.

以上、上述の実施の形態を挙げて本発明を説明したが、本発明は上述の実施の形態に限定されない。例えば、実施の形態では、外部端子２２が円筒状の筒状部３２を有し、かつ、筒状部３２の中に配置される内部端子１８の第１端子部２４が円筒部５０を有する場合について説明したが、このような場合に限らない。筒状部３２および円筒部５０の断面は円形状に限らず任意の形状であってもよい。すなわち、いずれも筒状であればよい。なお、いずれも円筒状とした方が、互いの電気的な容量結合を抑制することができる。 Although the present invention has been described above with reference to the above-described embodiments, the present invention is not limited to the above-described embodiments. For example, in the embodiment, the external terminal 22 has a cylindrical tubular portion 32, and the first terminal portion 24 of the internal terminal 18 arranged in the cylindrical portion 32 has a cylindrical portion 50. However, it is not limited to such a case. The cross section of the tubular portion 32 and the cylindrical portion 50 is not limited to a circular shape and may have any shape. That is, all of them may be tubular. It should be noted that the cylindrical shape can suppress the electrical capacitive coupling with each other.

本明細書における「円筒状」とは、完全な円筒形状だけでなく、円筒形状に凹凸や切欠き、突出部などが加わったものまで含むものとする（概ね円筒状、略円筒状、大略円筒状など）。 The term "cylindrical" as used herein includes not only a perfect cylindrical shape but also a cylindrical shape with irregularities, notches, protrusions, etc. (generally cylindrical, substantially cylindrical, roughly cylindrical, etc.). ).

また実施の形態では、内部端子１８の第１端子部２４および外部端子２２の筒状部３２が延びる方向（挿入方向Ｂ）が、同軸ケーブル４の軸方向Ａに直交する場合について説明したが、このような場合に限らず、直交しない場合であってもよい。すなわち、第１端子部２４および筒状部３２は、同軸ケーブル４の軸方向Ａに交差する方向に延びていればよい。 Further, in the embodiment, the case where the direction in which the first terminal portion 24 of the internal terminal 18 and the tubular portion 32 of the external terminal 22 extend (insertion direction B) is orthogonal to the axial direction A of the coaxial cable 4 has been described. Not limited to such a case, the case may not be orthogonal. That is, the first terminal portion 24 and the tubular portion 32 may extend in a direction intersecting the axial direction A of the coaxial cable 4.

また実施の形態では、第１端子部２４に設けられる挿入穴２８が貫通穴である場合について説明したが、このような場合に限らず、一方側の第１の開口部２８Ａのみが開いていればよく、もう一方側の第２の開口部２８Ｂは塞がっていてもよい。すなわち、少なくとも絶縁性部材２０の突出部４６を挿入可能であればよい。さらに言い換えれば、挿入方向Ｂの先端に位置する先端部とは逆側の基端部５１に挿入穴２８を有していればよい。なお、挿入穴２８を貫通穴とした方が、挿入される突出部４６の長さを長くとることができ、第１端子部２４の強度をより確保することができる。 Further, in the embodiment, the case where the insertion hole 28 provided in the first terminal portion 24 is a through hole has been described, but not limited to such a case, only the first opening 28A on one side is open. The second opening 28B on the other side may be closed. That is, at least the protruding portion 46 of the insulating member 20 may be inserted. Further, in other words, the insertion hole 28 may be provided at the base end portion 51 opposite to the tip end portion located at the tip end in the insertion direction B. If the insertion hole 28 is a through hole, the length of the protruding portion 46 to be inserted can be made longer, and the strength of the first terminal portion 24 can be further secured.

また実施の形態では、絶縁性部材２０の突出部４６が第１端子部２４の先端部（凸部５２）と同じ位置まで延びる場合について説明したが、このような場合に限らず、第１端子部２４からさらに突出する、あるいは、第１端子部２４の中に完全に収容される場合であってもよい。なお、突出部４６を第１端子部２４からさらに突出させずに第１端子部２４の中に収容した方が、他の部材との干渉を防ぐことができる。 Further, in the embodiment, the case where the protruding portion 46 of the insulating member 20 extends to the same position as the tip portion (convex portion 52) of the first terminal portion 24 has been described, but the case is not limited to such a case, and the first terminal is not limited to this case. It may be a case where it further protrudes from the portion 24 or is completely housed in the first terminal portion 24. It is possible to prevent interference with other members by accommodating the protruding portion 46 in the first terminal portion 24 without further projecting from the first terminal portion 24.

また実施の形態では、第２端子部２６の先端に二股部３０を設け、同軸ケーブル４の中心導体部１０と軸方向Ａに接触させる場合について説明したが、このような場合に限らず、二股部３０とは異なる構成により接触させてもよい。なお、中心導体部１０と軸方向Ａに係合する二股部３０を設けた方が、中心導体部１０との接触面積を確保することができ、良好な電気特性を得ることができる。 Further, in the embodiment, the case where the bifurcated portion 30 is provided at the tip of the second terminal portion 26 and is brought into contact with the central conductor portion 10 of the coaxial cable 4 in the axial direction A has been described. It may be brought into contact with a structure different from that of the portion 30. If the bifurcated portion 30 that engages with the central conductor portion 10 in the axial direction A is provided, the contact area with the central conductor portion 10 can be secured, and good electrical characteristics can be obtained.

また実施の形態では、二股部３０における第１の延在部３０Ａと第２の延在部３０Ｂのそれぞれの幅は同じで一定であり（Ｄ１）、それぞれの厚みも同じで一定である（Ｄ２）場合について説明したが、このような場合に限らず、同じで一定でなくてもよい。なお、幅を同じで一定とし、また厚みも同じで一定とした方が、良好な電気特性を得ることができる。 Further, in the embodiment, the width of the first extending portion 30A and the width of the second extending portion 30B in the bifurcated portion 30 are the same and constant (D1), and the thickness of each is also the same and constant (D2). ) The case has been described, but it is not limited to such a case, and it does not have to be the same and constant. Good electrical characteristics can be obtained when the width is the same and constant, and the thickness is also the same and constant.

また実施の形態では、第１の爪部３８が絶縁性部材２０の先端部４８に接触する箇所は、第１の爪部３８が外部導体部１４に接触する箇所よりも、保持部３４から近い距離に設定される場合について説明したが、このような場合に限らず、逆の関係であってもよい。なお、第１の爪部３８が絶縁性部材２０の先端部４８に接触する箇所を、第１の爪部３８が外部導体部１４に接触する箇所よりも保持部３４から近い距離あるいは同じ距離に設定した方が、簡易な構成により第１の爪部３８と外部導体部１４との接触を確保できる。 Further, in the embodiment, the portion where the first claw portion 38 contacts the tip portion 48 of the insulating member 20 is closer to the holding portion 34 than the portion where the first claw portion 38 contacts the external conductor portion 14. Although the case where the distance is set has been described, the relationship is not limited to such a case and the reverse relationship may be used. The location where the first claw portion 38 contacts the tip portion 48 of the insulating member 20 is closer to or the same distance from the holding portion 34 than the portion where the first claw portion 38 contacts the external conductor portion 14. If it is set, the contact between the first claw portion 38 and the outer conductor portion 14 can be ensured by a simple configuration.

本開示は、添付図面を参照しながら好ましい実施の形態に関連して充分に記載されているが、この技術の熟練した人々にとっては種々の変形や修正は明白である。そのような変形や修正は、添付した特許請求の範囲による本開示の範囲から外れない限りにおいて、その中に含まれると理解されるべきである。また、各実施の形態における要素の組合せや順序の変化は、本開示の範囲及び思想を逸脱することなく実現し得るものである。 Although the present disclosure has been fully described in connection with preferred embodiments with reference to the accompanying drawings, various modifications and modifications are obvious to those skilled in the art. It should be understood that such modifications and amendments are included therein, as long as they do not deviate from the scope of the present disclosure by the appended claims. In addition, changes in the combination and order of elements in each embodiment can be realized without departing from the scope and ideas of the present disclosure.

なお、前記様々な実施の形態および変形例のうちの任意の実施の形態あるいは変形例を適宜組み合わせることにより、それぞれの有する効果を奏するようにすることができる。 In addition, by appropriately combining any of the various embodiments and modifications of the embodiments or modifications, the effects of the respective embodiments can be achieved.

本発明は、同軸ケーブル付きＬ型同軸コネクタであれば適用可能である。 The present invention is applicable as long as it is an L-type coaxial connector with a coaxial cable.

２ プラグケーブル（同軸ケーブル付きＬ型同軸コネクタ）
４ 同軸ケーブル
６ Ｌ型同軸コネクタ
８ 相手方コネクタ
９ 内部端子（センターソケット）
１０ 中心導体部（芯線）
１１ 外部端子
１２ 絶縁体
１３ 絶縁性部材（樹脂モールドケース）
１４ 外部導体部
１６ 絶縁被膜（外皮）
１８ 内部端子（センターピン）
２０ 絶縁性部材（ブッシング）
２２ 外部端子（ハウジング）
２４ 第１端子部
２６ 第２端子部
２８ 挿入穴
２８Ａ 第１の開口部
２８Ｂ 第２の開口部
３０ 二股部
３２ 筒状部
３４ 保持部
３５ 固定部
３６ かしめ係合部
３８ 第１の爪部
４０ 第２の爪部
４２ 第３の爪部
４４ 土台部
４６ 突出部
４８ 先端部
５０ 円筒部
５１ 基端部
５２ 凸部（先端部）2 plug cable (L-type coaxial connector with coaxial cable)
4 Coaxial cable 6 L-type coaxial connector 8 Mating connector 9 Internal terminal (center socket)
10 Center conductor (core wire)
11 External terminal 12 Insulator 13 Insulator (resin mold case)
14 External conductor part 16 Insulation coating (outer skin)
18 Internal terminal (center pin)
20 Insulating member (bushing)
22 External terminal (housing)
24 1st terminal part 26 2nd terminal part 28 Insertion hole 28A 1st opening 28B 2nd opening 30 Bifurcated part 32 Cylindrical part 34 Holding part 35 Fixing part 36 Caulking engaging part 38 1st claw part 40 2nd claw 42 3rd claw 44 Base 46 Protruding 48 Tip 50 Cylindrical 51 Base 52 Convex (tip)

Claims (4)

中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルと、
前記同軸ケーブルの前記中心導体部に接続される内部端子と、
前記同軸ケーブルの前記外部導体部に接続される外部端子と、
前記内部端子と前記外部端子との間に配置される絶縁性部材と、を備える同軸ケーブル付きＬ型同軸コネクタであって、
前記外部端子は、前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、
前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部の一部に係合する第２の爪部とを有し、
前記同軸ケーブルの前記外部導体部は、前記第２の爪部に係合する第１部分と、前記第１部分から前記第１の爪部に向かって延出する第２部分と、を有し、
前記第１の爪部の先端は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部の前記第２部分に係合する位置まで延びるように形成され、
前記第１の爪部が前記絶縁性部材に接触する箇所から前記保持部までの距離は、前記第１の爪部が前記外部導体部に接触する箇所から前記保持部までの距離よりも短い、同軸ケーブル付きＬ型同軸コネクタ。 A coaxial cable having a central conductor portion and an outer conductor portion arranged around the central conductor portion,
An internal terminal connected to the central conductor portion of the coaxial cable,
An external terminal connected to the external conductor portion of the coaxial cable,
An L-shaped coaxial connector with a coaxial cable including an insulating member arranged between the internal terminal and the external terminal.
The external terminal includes a holding portion that extends along the coaxial cable and the insulating member to hold them, and a caulking engaging portion that is crimped from the holding portion toward the coaxial cable.
The caulking engaging portion includes a first claw portion that engages with the insulating member around a portion where the central conductor portion of the coaxial cable and the internal terminal are connected, and the outer conductor portion of the coaxial cable. Has a second claw that engages in part
The outer conductor portion of the coaxial cable has a first portion that engages with the second claw portion and a second portion that extends from the first portion toward the first claw portion. ,
The tip of the first claw portion is formed so as to extend in the axial direction of the coaxial cable to a position where it engages with the second portion of the outer conductor portion of the coaxial cable.
The distance from the portion where the first claw portion contacts the insulating member to the holding portion is shorter than the distance from the portion where the first claw portion contacts the external conductor portion to the holding portion. L-shaped coaxial connector with coaxial cable. 前記第１の爪部の前記先端は、前記第２の爪部に対して前記軸方向に間隔を空けた位置に配置される、請求項１に記載の同軸ケーブル付きＬ型同軸コネクタ。 The L-shaped coaxial connector with a coaxial cable according to claim 1, wherein the tip of the first claw portion is arranged at a position spaced apart from the second claw portion in the axial direction. 中心導体部および前記中心導体部の周囲に配置された外部導体部を有する同軸ケーブルが接続されるＬ型同軸コネクタであって、
前記同軸ケーブルの前記中心導体部に接続される内部端子と、
前記同軸ケーブルの前記外部導体部に接続される外部端子と、
前記内部端子と前記外部端子との間に配置される絶縁性部材と、を備え、
前記外部端子は、前記同軸ケーブルおよび前記絶縁性部材に沿うように延在してこれらを保持する保持部と、前記保持部から前記同軸ケーブルに向けてかしめられたかしめ係合部とを備え、
前記かしめ係合部は、前記同軸ケーブルの前記中心導体部と前記内部端子が接続する部分の周囲で前記絶縁性部材に係合する第１の爪部と、前記同軸ケーブルの前記外部導体部の一部に係合する第２の爪部とを有し、
前記同軸ケーブルの前記外部導体部は、前記第２の爪部に係合する第１部分と、前記第１部分から前記第１の爪部に向かって延出する第２部分と、を有し、
前記第１の爪部の先端は、前記同軸ケーブルの軸方向において、前記同軸ケーブルの前記外部導体部の前記第２部分に係合する位置まで延びるように形成され、
前記第１の爪部が前記絶縁性部材に接触する箇所から前記保持部までの距離は、前記第１の爪部が前記外部導体部に接触する箇所から前記保持部までの距離よりも短い、Ｌ型同軸コネクタ。 An L-shaped coaxial connector to which a coaxial cable having a central conductor portion and an external conductor portion arranged around the central conductor portion is connected.
An internal terminal connected to the central conductor portion of the coaxial cable,
An external terminal connected to the external conductor portion of the coaxial cable,
An insulating member arranged between the internal terminal and the external terminal is provided.
The external terminal includes a holding portion that extends along the coaxial cable and the insulating member to hold them, and a caulking engaging portion that is crimped from the holding portion toward the coaxial cable.
The caulking engaging portion includes a first claw portion that engages with the insulating member around a portion where the central conductor portion of the coaxial cable and the internal terminal are connected, and the outer conductor portion of the coaxial cable. Has a second claw that engages in part
The outer conductor portion of the coaxial cable has a first portion that engages with the second claw portion and a second portion that extends from the first portion toward the first claw portion. ,
The tip of the first claw portion is formed so as to extend in the axial direction of the coaxial cable to a position where it engages with the second portion of the outer conductor portion of the coaxial cable.
The distance from the portion where the first claw portion contacts the insulating member to the holding portion is shorter than the distance from the portion where the first claw portion contacts the external conductor portion to the holding portion. L-shaped coaxial connector. 前記第１の爪部の前記先端は、前記第２の爪部に対して前記軸方向に間隔を空けた位置に配置される、請求項３に記載のＬ型同軸コネクタ。 The L-shaped coaxial connector according to claim 3 , wherein the tip of the first claw portion is arranged at a position spaced apart from the second claw portion in the axial direction.
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