JPH07240245A - Coaxial wire connecting equipment and connection method for coaxial cable - Google Patents
Coaxial wire connecting equipment and connection method for coaxial cableInfo
- Publication number
- JPH07240245A JPH07240245A JP6027935A JP2793594A JPH07240245A JP H07240245 A JPH07240245 A JP H07240245A JP 6027935 A JP6027935 A JP 6027935A JP 2793594 A JP2793594 A JP 2793594A JP H07240245 A JPH07240245 A JP H07240245A
- Authority
- JP
- Japan
- Prior art keywords
- coaxial cable
- coaxial
- core wire
- outer case
- wiring board
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding
- H01R13/658—High frequency shielding arrangements, e.g. against EMI [Electro-Magnetic Interference] or EMP [Electro-Magnetic Pulse]
- H01R13/6591—Specific features or arrangements of connection of shield to conductive members
- H01R13/65912—Specific features or arrangements of connection of shield to conductive members for shielded multiconductor cable
- H01R13/65915—Twisted pair of conductors surrounded by shield
Landscapes
- Multi-Conductor Connections (AREA)
Abstract
Description
【０００１】[0001]
【産業上の利用分野】本発明は、ＵＶ伝送、ＣＡＴＶ伝
送などに用いられる分配器、分岐器などの同軸線接続機
器における同軸ケーブルの接続構造と接続方法に関す
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connecting structure and a connecting method of a coaxial cable in a coaxial line connecting device such as a distributor and a brancher used for UV transmission, CATV transmission and the like.
【０００２】[0002]
【従来の技術】従来、ＵＶ伝送やＣＡＴＶ伝送において
は、その伝送路として同軸ケーブルの使用が主流となっ
ている。このような伝送系において分配、分岐などに用
いる機器と同軸ケーブルの接続を、特に低損失で電波傷
害を少なくするよう行うために、Ｆ型接線などの同軸コ
ネクターが使用されている。一方、機器のコストを考え
ると、コネクターを使用することは得策ではなく、例え
ば、実公平１−３８８６８公報に見られるように、その
一部を機器と一体構造にするなどの工夫がなされてい
る。2. Description of the Related Art Conventionally, in UV transmission and CATV transmission, a coaxial cable has been mainly used as a transmission line. In such a transmission system, a coaxial connector such as an F-type tangent wire is used in order to connect a device used for distribution, branching, etc. to a coaxial cable so as to reduce radio wave damage particularly with low loss. On the other hand, considering the cost of the device, it is not a good idea to use the connector, and, for example, as shown in Japanese Utility Model Publication No. 1-38868, a part of the device is integrated with the device. .
【０００３】図４は従来の同軸線接続機器の例を斜視図
で示したものである。図４において、４１は金属製の外
ケース、１２は同軸レセプタクルを示す。尚、前記のよ
うに外ケース４１と同軸レセプタクル１２を一体化した
構造も考えられる。図５は図４における外ケース４１の
同軸レセプタクル１２の近傍を、同軸ケーブルを接続し
た状態で見た要部断面図である。FIG. 4 is a perspective view showing an example of a conventional coaxial line connecting device. In FIG. 4, 41 is a metal outer case, and 12 is a coaxial receptacle. A structure in which the outer case 41 and the coaxial receptacle 12 are integrated as described above is also conceivable. FIG. 5 is a cross-sectional view of the main part of the outer case 41 of FIG. 4 in the vicinity of the coaxial receptacle 12 with a coaxial cable connected.
【０００４】同軸レセプタクル１２は外ケース４１の貫
通穴３を介し、固定ナット１３で固定されている。同軸
レセプタクル１２の中心コンタクト１４は外ケース４１
に固定されているプリント配線基板４にハンダ付けされ
ている。一方、同軸ケーブル７には、同軸レセプタクル
１２と嵌合する同軸プラグ１５が接続されている。同軸
ケーブル７は芯線８、絶縁体９、編組線１０、外皮１１
よりなる。同軸プラグ１５は、同軸レセプタクル１２と
ねじ嵌合する締結ナット１６と同軸ケーブル７の絶縁体
９と編組線１０の間に挿入されるシェル１７と外皮１１
をかしめるかしめリング６からなる。芯線８は同軸レセ
プタクル１２の中心コンタクト１４と嵌合するよう被覆
が除去されている。The coaxial receptacle 12 is fixed by a fixing nut 13 through the through hole 3 of the outer case 41. The center contact 14 of the coaxial receptacle 12 is an outer case 41.
It is soldered to the printed wiring board 4 fixed to. On the other hand, the coaxial cable 7 is connected with a coaxial plug 15 which is fitted with the coaxial receptacle 12. The coaxial cable 7 includes a core wire 8, an insulator 9, a braided wire 10, and an outer cover 11.
Consists of. The coaxial plug 15 includes a fastening nut 16 that is screw-fitted with the coaxial receptacle 12, a shell 17 and an outer shell 11 that are inserted between the insulator 9 of the coaxial cable 7 and the braided wire 10.
It consists of a caulking ring 6. The core wire 8 is stripped to fit the center contact 14 of the coaxial receptacle 12.
【０００５】上記のような接続構造とすることにより、
接続部における伝送路の状態は同軸ケーブルとほぼ同等
となり、インピーダンスの乱れによる伝送品質の劣化を
防ぐとともに、外ケースと同軸ケーブル編組が電気的に
途切れることなく接続され、機器内部からの電波の不要
輻射や外乱を受けにくい完全シールド構造とすることが
できる。With the connection structure as described above,
The state of the transmission line at the connection part is almost the same as that of the coaxial cable, preventing the deterioration of the transmission quality due to impedance disturbance and connecting the outer case and the coaxial cable braid electrically without interruption, and no radio waves from inside the device are required. A complete shield structure that is less susceptible to radiation and disturbance can be provided.
【０００６】[0006]
【発明が解決しようとする課題】しかし、上記構成では
同軸ケーブルとプリント配線基板上に設けた中心コンタ
クトとの接続に際し、必ず同軸ケーブルに同軸プラグを
接続せねばならない。また、機器との接続においても、
機器側の同軸レセプタクルと同軸ケーブルの同軸プラグ
をネジ締結する作業が必要であった。さらに、機器の組
立においても同軸レセプタクルの取付、または、同軸レ
セプタクルを機器の外ケースと一体化しても、同軸レセ
プタクルの内部構造については、別の部品として組み込
む必要があり、同軸ケーブル接続に必要なコストを上昇
させ、接続作業、組立作業が煩雑となる問題点を有して
いた。However, in the above structure, the coaxial plug must be connected to the coaxial cable when connecting the coaxial cable and the center contact provided on the printed wiring board. Also, in connection with equipment,
It was necessary to screw the coaxial plug of the coaxial cable with the coaxial receptacle on the device side. In addition, even when the coaxial receptacle is attached or the coaxial receptacle is integrated with the outer case of the equipment in the assembly of the equipment, the internal structure of the coaxial receptacle must be incorporated as a separate component, which is necessary for the coaxial cable connection. There is a problem that the cost is increased and the connecting work and the assembling work are complicated.
【０００７】本発明は上記問題点に鑑み、同軸線接続機
器と同軸ケーブルとの接続に同軸コネクターを不要と
し、かつ接続品質を従来と同等にできる同軸ケーブルの
接続構造と接続方法を提供するものである。In view of the above problems, the present invention provides a coaxial cable connection structure and a connection method, which do not require a coaxial connector for connecting a coaxial line connection device and a coaxial cable, and can achieve the same connection quality as conventional ones. Is.
【０００８】[0008]
【課題を解決するための手段】本発明の同軸ケーブル接
続構造は、機器の外ケースに同軸ケーブルの編組線と接
続する円筒状導入突起部を設け、これに挿入嵌合された
同軸ケーブルの外皮を圧入リングで導入突起部に対し締
め付け固定する。また、前記導入突起部の軸心と同心状
に外ケースを貫通する貫通穴を設け、上記導入突起部に
固定された同軸ケーブルの芯線が外ケースを貫通できる
ようにする。外ケース内に固定されたプリント配線基板
には前記同軸ケーブルの芯線と軸心を同一にし、かつ芯
線を挟持する芯線コンタクト部を設け、同軸ケーブルの
芯線とプリント配線基板の回路とを電気的に導通接続す
る。According to the coaxial cable connection structure of the present invention, the outer casing of the device is provided with a cylindrical introduction protrusion for connecting with the braided wire of the coaxial cable, and the outer casing of the coaxial cable inserted and fitted therein. Tighten and fix with the press-fit ring to the introduction protrusion. Further, a through hole penetrating the outer case concentrically with the axis of the introduction protrusion is provided so that the core wire of the coaxial cable fixed to the introduction protrusion can penetrate the outer case. The printed wiring board fixed in the outer case is provided with a core wire contact portion that has the same axis as the core wire of the coaxial cable and that holds the core wire, and electrically connects the core wire of the coaxial cable and the circuit of the printed wiring board. Conductive connection.
【０００９】[0009]
【作用】本発明の同軸ケーブル接続構造によれば、同軸
ケーブルの編組線は同軸ケーブル導入突起部を介し、電
気的に途切れることなく外ケースと接続されるので、電
気的に完全シールド構造とすることができる。また、編
組線、絶縁体と芯線の寸法関係は一定のためインピーダ
ンスの乱れがなく、伝送品質の劣化もない。According to the coaxial cable connecting structure of the present invention, the braided wire of the coaxial cable is electrically connected to the outer case through the coaxial cable introducing projection without any interruption, so that the structure is electrically shielded. be able to. Further, since the dimensional relationship between the braided wire, the insulator and the core wire is constant, there is no disturbance in impedance and no deterioration in transmission quality.
【００１０】[0010]
【実施例】以下に、本発明の一実施例の同軸線接続機器
と同軸ケーブルの接続方法について図１、２、３を参照
しながら説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A method of connecting a coaxial line connecting device and a coaxial cable according to an embodiment of the present invention will be described below with reference to FIGS.
【００１１】図１は本発明の一実施例における同軸線接
続機器の外観斜視図である。図１において、１は金属部
材例えばアルミニウムまたは亜鉛材をダイキャストして
成る外ケース、２は同軸ケーブルの導入突起部である。
図２に同軸ケーブルの導入突起部２の近傍を平面から見
た部分断面図を示す。外ケース１内にはプリント配線基
板４が所定に収納・固定されている。プリント配線基板
上には芯線コンタクト部５がハンダ付け等により取り付
けられている。また、外ケース１には貫通穴３が導入突
起部２と同心円状に設けてある。６は同軸ケーブル７を
接続後に導入突起部２にかしめるためのかしめリングで
ある。同軸ケーブル７は芯線８が貫通穴３の入り口か
ら、芯線コンタクト部８の嵌合位置を通り過ぎるまでの
長さＬだけ突き出すよう、絶縁体９から外側の部分を取
り去っている。上記の嵌合部において、同軸ケーブル７
を矢印１８の方向に押し込み、図３に示すごとく芯線８
を芯線コンタクト部５で挟持して所定に接続する。図３
において、導入突起部２は同軸ケーブル７の絶縁体９と
編組線１０の内側に入り込み、絶縁体９が外ケース１の
外壁面に突き当たるまで同軸ケーブル７を押し込む。同
軸ケーブル７は、かしめリング６により導入突起部２と
の間でかしめられる。一方、この時芯線８は貫通穴３か
ら外ケース１の内部に挿入され、芯線コンタクト部５と
弾接嵌合する。なお、芯線コンタクト部５はリン青銅板
や銀部材などバネ性と導通性の良い金属部材を所定形
状、例えば図２の略Ω形に成形し、芯線８を所定強度に
弾接挟持する構成としている。当然のことながら、挟持
形状は任意に実施してよい。導入突起部形状についても
円筒状に限るものではなく、六角形などの多角形や楕円
形など任意に実施してよい。FIG. 1 is an external perspective view of a coaxial line connecting device according to an embodiment of the present invention. In FIG. 1, 1 is an outer case formed by die-casting a metal member such as aluminum or zinc material, and 2 is an introducing protrusion of a coaxial cable.
FIG. 2 shows a partial cross-sectional view of the vicinity of the introduction protrusion 2 of the coaxial cable as seen from a plane. A printed wiring board 4 is housed and fixed in a predetermined manner in the outer case 1. The core wire contact portion 5 is mounted on the printed wiring board by soldering or the like. Further, the outer case 1 is provided with a through hole 3 concentrically with the introduction protrusion 2. Reference numeral 6 is a caulking ring for caulking the introduction protrusion 2 after connecting the coaxial cable 7. The outer portion of the coaxial cable 7 is removed from the insulator 9 so that the core wire 8 projects from the entrance of the through hole 3 by a length L until the core wire 8 passes through the fitting position of the core wire contact portion 8. In the above fitting part, the coaxial cable 7
Is pushed in the direction of the arrow 18, and as shown in FIG.
Is sandwiched between the core wire contact portions 5 and connected in a predetermined manner. Figure 3
In, the introduction protrusion 2 enters the inside of the insulator 9 of the coaxial cable 7 and the braided wire 10 and pushes the coaxial cable 7 until the insulator 9 hits the outer wall surface of the outer case 1. The coaxial cable 7 is crimped to the introduction protrusion 2 by the crimp ring 6. On the other hand, at this time, the core wire 8 is inserted into the outer case 1 through the through hole 3 and elastically fitted to the core wire contact portion 5. The core wire contact portion 5 is formed by forming a metal member having a good spring property and conductivity such as a phosphor bronze plate or a silver member into a predetermined shape, for example, approximately Ω shape in FIG. 2, and elastically sandwiching the core wire 8 with a predetermined strength. There is. Of course, the clamping shape may be implemented arbitrarily. The shape of the introduction protrusion is not limited to the cylindrical shape, but may be any shape such as a polygon such as a hexagon or an ellipse.
【００１２】以上の実施例によれば、同軸ケーブルの編
組線と機器の外ケースとは途切れることなく電気的、機
械的に接続されるため、電気的に閉じた空間を実現で
き、電磁波シールド性の極めて高い構造とすることがで
きる。一方、芯線は芯線コンタクト部と嵌合する直前ま
で、編組線、絶縁体との寸法関係を崩すことがないた
め、インピーダンスの変動がなく伝送品質の劣化を防止
できる。According to the above embodiment, since the braided wire of the coaxial cable and the outer case of the device are electrically and mechanically connected to each other without interruption, an electrically closed space can be realized and the electromagnetic wave shielding property can be realized. Can have a very high structure. On the other hand, since the core wire does not lose the dimensional relationship with the braided wire and the insulator until just before being fitted to the core wire contact portion, there is no change in impedance and it is possible to prevent deterioration of transmission quality.
【００１３】[0013]
【発明の効果】以上のように本発明によれば、同軸コネ
クタを使用することなく電気的特性に優れた接続構造を
実現できコストを削減できるともに、接続の作業性を向
上できる。As described above, according to the present invention, it is possible to realize a connection structure having excellent electrical characteristics without using a coaxial connector, reduce costs, and improve workability of connection.
【図１】本発明の一実施例における同軸線接続機器の外
観斜視図FIG. 1 is an external perspective view of a coaxial line connection device according to an embodiment of the present invention.
【図２】図１における外ケースの同軸ケーブル接続部分
の要部断面図2 is a cross-sectional view of a main part of a coaxial cable connection portion of the outer case in FIG.
【図３】図１における外ケースに同軸ケーブルを接続し
た状態の要部断面図FIG. 3 is a cross-sectional view of a main part in a state where a coaxial cable is connected to the outer case in FIG.
【図４】従来の同軸線接続機器の外観斜視図FIG. 4 is an external perspective view of a conventional coaxial cable connection device.
【図５】図４における外ケースの同軸ケーブル接続部分
の要部断面図5 is a cross-sectional view of a main part of a coaxial cable connection portion of the outer case in FIG.
１ 外ケース ２ 導入突起部 ３ 芯線貫通穴 ４ プリント配線基板 ５ 芯線コンタクト部 ６ かしめリング ７ 同軸ケーブル ８ 芯線 ９ 絶縁体 １０ 編組線 １１ 外皮 1 Outer Case 2 Introductory Protrusion 3 Core Wire Through Hole 4 Printed Circuit Board 5 Core Wire Contact 6 Caulking Ring 7 Coaxial Cable 8 Core Wire 9 Insulator 10 Braided Wire 11 Outer Skin
Claims (2)
同軸ケーブル導入突起部と貫通穴とを同心状に設けると
ともに、前記プリント配線基板上に回路パターンに接続
され、かつ前記同軸ケーブルの芯線を挟持する芯線コン
タクト部を設けたことを特徴とする同軸線接続機器。1. An outer case containing a printed wiring board is provided with a coaxial cable introducing projection and a through hole concentrically, and is connected to a circuit pattern on the printed wiring board and holds a core wire of the coaxial cable. A coaxial line connecting device having a core wire contact portion.
心状に設けてなる外ケースを用意し、同軸ケーブルの絶
縁体と編組線の間に前記同軸ケーブル導入突起部を挿入
し、かしめリングを用いて前記同軸ケーブルの外皮とと
もに、前記編組線を前記導入突起部にかしめ、前記同軸
ケーブルの芯線を前記外ケース内部に導き入れられるこ
とを特徴とする同軸線接続機器と同軸ケーブルの接続方
法。2. An outer case having a coaxial cable introducing protrusion and a through hole provided concentrically is prepared, and the coaxial cable introducing protrusion is inserted between an insulator and a braided wire of the coaxial cable, and a caulking ring is provided. A method for connecting a coaxial cable connecting device and a coaxial cable, characterized in that the braided wire is crimped to the introduction projection part together with the outer shell of the coaxial cable, and the core wire of the coaxial cable can be introduced into the outer case. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6027935A JPH07240245A (en) | 1994-02-25 | 1994-02-25 | Coaxial wire connecting equipment and connection method for coaxial cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6027935A JPH07240245A (en) | 1994-02-25 | 1994-02-25 | Coaxial wire connecting equipment and connection method for coaxial cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH07240245A true JPH07240245A (en) | 1995-09-12 |
Family
ID=12234759
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6027935A Pending JPH07240245A (en) | 1994-02-25 | 1994-02-25 | Coaxial wire connecting equipment and connection method for coaxial cable |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH07240245A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997023925A1 (en) * | 1995-12-21 | 1997-07-03 | Fringe Electronics Ltd. | Screening enclosure |
| EP1313171A1 (en) * | 2001-11-10 | 2003-05-21 | Nexans | Device for connecting an electrical connector to an electrical shielded cable |
| CN106575809A (en) * | 2015-05-29 | 2017-04-19 | 华为技术有限公司 | Cable and high-frequency device using same |
-
1994
- 1994-02-25 JP JP6027935A patent/JPH07240245A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1997023925A1 (en) * | 1995-12-21 | 1997-07-03 | Fringe Electronics Ltd. | Screening enclosure |
| EP1313171A1 (en) * | 2001-11-10 | 2003-05-21 | Nexans | Device for connecting an electrical connector to an electrical shielded cable |
| CN106575809A (en) * | 2015-05-29 | 2017-04-19 | 华为技术有限公司 | Cable and high-frequency device using same |
| EP3297092A4 (en) * | 2015-05-29 | 2018-05-02 | Huawei Technologies Co., Ltd. | Cable and high-frequency device using same |
| US10505251B2 (en) | 2015-05-29 | 2019-12-10 | Huawei Technologies Co., Ltd. | Cable for coupling a coaxial line to a strip-line including a coupling ground plane for reducing passive intermodulation interference in the cable |
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