JPH05144488A - Terminal for coaxial cable - Google Patents
Terminal for coaxial cableInfo
- Publication number
- JPH05144488A JPH05144488A JP3278230A JP27823091A JPH05144488A JP H05144488 A JPH05144488 A JP H05144488A JP 3278230 A JP3278230 A JP 3278230A JP 27823091 A JP27823091 A JP 27823091A JP H05144488 A JPH05144488 A JP H05144488A
- Authority
- JP
- Japan
- Prior art keywords
- coaxial cable
- connection terminal
- center conductor
- conductor
- contact portion
- 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.)
- Granted
Links
Landscapes
- Multi-Conductor Connections (AREA)
- Coupling Device And Connection With Printed Circuit (AREA)
Abstract
Description
【0001】[0001]
【産業上の利用分野】本発明は、例えばテレビジョン共
聴機器等に取付けられて同軸ケーブルの中心導体と電気
的に接続するのに使用される同軸ケーブル用接続端子に
関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a coaxial cable connection terminal which is attached to, for example, a television co-listening device to be electrically connected to a center conductor of a coaxial cable.
【0002】[0002]
【従来の技術】例えば、テレビジョン共聴機器機に用い
られている上記接続端子の従来の一般的な構成を図9に
示す。2. Description of the Related Art For example, FIG. 9 shows a conventional general structure of the connection terminal used in a television co-listening device.
【0003】即ち、この接続端子1には、ばね性を有し
ほぼ平行に延びる一対の弾性片2,2が互いに対峙して
備えられ、このこの弾性片2,2の端部に接触部3,3
が一体に連接されているとともに、プリント基板等の電
気回路内に挿着するための脚部4が備えられている。That is, the connecting terminal 1 is provided with a pair of elastic pieces 2 and 2 having a spring property and extending substantially parallel to each other, and a contact portion 3 is provided at an end of the elastic pieces 2 and 2. , 3
Are integrally connected to each other, and are provided with leg portions 4 for insertion into an electric circuit such as a printed circuit board.
【0004】前記接触部3,3は、互いに近接する方向
に略「く」字状に屈曲して形成され、ここで同軸ケーブ
ルの中心導体を左右から挟持して接続端子1と中心導体
とを電気的に接続するとともに、この接触部3,3の先
端側からこの中心導体の挿入が行われるようなされてい
る。The contact portions 3 and 3 are formed by bending in a substantially "V" shape in a direction in which they come close to each other. Here, the central conductor of the coaxial cable is sandwiched from the left and right to connect the connection terminal 1 and the central conductor. The central conductor is inserted from the tip side of the contact portions 3, 3 while being electrically connected.
【0005】ここに、前記接続端子1は、絶縁体5で包
囲した状態で使用され、この絶縁体5の前記接触部3,
3と対向する位置には、前記中心導体の挿入の際に該中
心導体を接触部3,3に案内するための案内穴6が設け
られている。Here, the connection terminal 1 is used while being surrounded by an insulator 5, and the contact portion 3 of the insulator 5 is used.
A guide hole 6 for guiding the center conductor to the contact portions 3 and 3 when the center conductor is inserted is provided at a position facing the center conductor 3.
【0006】また、弾性片2,2を中心導体の挿入方向
に沿って延ばすとともに、この端部に設けた接触部3,
3の先端を外方に拡げて中心導体の案内部分7.7を形
成することにより、同軸ケーブルの中心導体の線径の細
いものから太いものまでに対し挿入しやすくして、接触
部3,3による中心導体の挟持が簡単かつ確実に行える
ようになされていた。Further, the elastic pieces 2 and 2 are extended along the inserting direction of the center conductor, and the contact portions 3 provided at the ends thereof.
By expanding the tip of 3 to the outside to form the guide portion 7.7 of the central conductor, it is easy to insert the central conductor of the coaxial cable from a thin wire to a thick wire, and the contact portion 3, It was made possible to easily and surely sandwich the center conductor with the No. 3 cable.
【0007】[0007]
【発明が解決しようとする課題】近年衛星放送等によっ
て伝送する周波数帯域が広がり、広い周波数帯域に亘り
特性インピーダンスを良くするため、テレビジョン共聴
機器等における接続端子の小型化を図ることが要求され
ている。In recent years, the frequency band transmitted by satellite broadcasting or the like has spread, and in order to improve the characteristic impedance over a wide frequency band, it is required to downsize the connection terminal in a television co-listening device or the like. Has been done.
【0008】しかしながら、上記従来例においては、接
触部で十分な保持力を得て同軸ケーブルの中心導体との
確実な接続を図るために、弾性片にある程度の長さを持
たせる必要があり、しかも誤接続を防止するために、接
続端子を絶縁体で覆うとともに該絶縁体に案内穴を設け
る必要があるため、この小型化の要請に答えることがで
きないといった問題点があった。However, in the above-mentioned conventional example, it is necessary to give the elastic piece a certain length in order to obtain a sufficient holding force at the contact portion and ensure a reliable connection with the central conductor of the coaxial cable. Moreover, in order to prevent erroneous connection, it is necessary to cover the connection terminal with an insulating material and to provide a guide hole in the insulating material.
【0009】本発明は上記に鑑み、弾性片の案内部分の
長さをより短くするとともに、案内穴をもった絶縁体を
必要とせず、小型化の要請に答えることができるように
したものを提供することを目的とする。In view of the above, the present invention has made it possible to shorten the length of the guide portion of the elastic piece and to meet the demand for miniaturization without requiring an insulator having a guide hole. The purpose is to provide.
【0010】[0010]
【課題を解決するための手段】上記目的を達成するた
め、本発明に係る同軸ケーブル用接続端子は、ばね性を
有する一対の弾性片の端部に接触部を連接し、この接触
部で同軸ケーブルの中心導体を挟持して該中心導体と電
気的に接続する同軸ケーブル用接続端子において、前記
一対の弾性片を同軸ケーブルの挿入方向に沿って延ばす
とともに、この弾性片のケーブル挿入側と反対側の端部
に前記接触部を設けたことを特徴とするものであり、前
記一対の弾性片の間に、ここに形成される空間を閉塞し
て前記同軸ケーブルの中心導体を前記接触部に案内する
案内片を配置することもできる。In order to achieve the above object, a coaxial cable connection terminal according to the present invention has a contact portion connected to the end portions of a pair of elastic pieces having a spring characteristic, and the contact portion is coaxial. In a coaxial cable connection terminal for sandwiching a center conductor of a cable and electrically connecting to the center conductor, the pair of elastic pieces are extended along the insertion direction of the coaxial cable and are opposite to the cable insertion side of the elastic piece. It is characterized in that the contact portion is provided at the end on the side, the space formed here is closed between the pair of elastic pieces, and the center conductor of the coaxial cable is provided at the contact portion. A guide piece for guiding can be arranged.
【0011】[0011]
【作用】上記のように構成した本発明によれば、接続端
子内に同軸ケーブルの中心導体を挿入すると、この中心
導体は弾性片によって案内されて接触部に導かれ、これ
によって接続端子自体で中心導体の誤挿入を防止するこ
とができ、しかも弾性片の形状を十分な保持力が得られ
る任意の形状に設定することができる。According to the present invention constructed as described above, when the center conductor of the coaxial cable is inserted into the connection terminal, the center conductor is guided by the elastic piece and guided to the contact portion, whereby the connection terminal itself is guided. It is possible to prevent erroneous insertion of the central conductor, and it is possible to set the shape of the elastic piece to an arbitrary shape that can obtain a sufficient holding force.
【0012】[0012]
【実施例】以下、本発明の実施例を図1乃至図8を参照
して説明する。Embodiments of the present invention will be described below with reference to FIGS.
【0013】図1乃至図3は、本発明に係る接続端子の
一実施例を示すもので、この接続端子10には、矩形枠
状の枠体11が備えられ、この枠体11の同軸ケーブル
の中心導体の挿入側端面11aは、この中心導体を挿入
しやすくするため斜めにカットされている。FIGS. 1 to 3 show an embodiment of the connection terminal according to the present invention. The connection terminal 10 is provided with a rectangular frame-shaped frame body 11, and the coaxial cable of the frame body 11 is provided. The end surface 11a of the central conductor on the insertion side is obliquely cut to facilitate the insertion of the central conductor.
【0014】前記枠体11の後方、即ち挿入側端面11
aの反対側には、その側面に連続し同軸ケーブルの中心
導体の挿入方向に沿って延びる一対の弾性片12,12
が延設され、この弾性片12,12の後端部に接触部1
3,13が連接されている。The rear side of the frame body 11, that is, the insertion side end surface 11
On the opposite side of a, a pair of elastic pieces 12, 12 continuous to the side surface and extending along the insertion direction of the central conductor of the coaxial cable.
Is extended and the contact portion 1 is attached to the rear end of the elastic pieces 12, 12.
3 and 13 are connected.
【0015】これにより、接続端子10内に同軸ケーブ
ルの中心導体を挿入する際、中心導体はその左右を弾性
片12,12によって案内されて接触部13,13に導
かれ、これによって接続端子10自体で中心導体の誤挿
入を防止することができるようなされている。Thus, when the center conductor of the coaxial cable is inserted into the connection terminal 10, the center conductor is guided to the contact portions 13, 13 by being guided by the elastic pieces 12, 12 on the left and right sides of the center conductor. By itself, it is possible to prevent incorrect insertion of the center conductor.
【0016】ここに、前記弾性片12,12は、後方に
延びる従ってその間隔が次第に狭くなって接触部13,
13に連続するよう、即ち急角度になることなく緩やか
な角度をもって後方に延び、これによって中心導体が挿
入しやすく、かつ接触部13,13の先端を外方に拡げ
て十分な保持力が得られるよう形成されている。Since the elastic pieces 12, 12 extend rearward, the distance between the elastic pieces 12, 12 gradually becomes narrower, so that the contact portions 13, 12.
13 is continuous, that is, it extends rearward at a gentle angle without becoming a steep angle, which allows the center conductor to be easily inserted, and the tips of the contact portions 13 and 13 to be spread outward to obtain a sufficient holding force. Is formed.
【0017】また、接触部13,13の内周面には、円
弧状の凹部13a,13aによる隙間が設けられ、この
隙間は、使用する同軸ケーブルの中心導体の線径より小
さくなるよう設定されている。Further, the inner peripheral surfaces of the contact portions 13, 13 are provided with a gap formed by the arcuate concave portions 13a, 13a, and the gap is set to be smaller than the diameter of the center conductor of the coaxial cable to be used. ing.
【0018】前記枠体11の下面には、ほぼ垂直に下方
に延びる脚部14が垂設され、この脚部14の下端はプ
リント基板等の電気回路に接続するための半田付部14
aとなされている。また脚部14の途中には、図5に示
すように、これをケース18の穴等に挿入した時に抜け
ないようにするための爪15が設けられている。On the lower surface of the frame body 11, a leg portion 14 extending vertically downward is vertically provided. The lower end of the leg portion 14 is a soldering portion 14 for connecting to an electric circuit such as a printed circuit board.
It is said to be a. Further, in the middle of the leg portion 14, as shown in FIG. 5, a claw 15 is provided to prevent the leg portion 14 from coming off when it is inserted into a hole or the like of the case 18.
【0019】ここに、前記枠体11と脚部14とのなす
各θは、100°に設定されているが、これは下記のよ
うにこれを図4及び図5に示す分波器17等に使用した
場合、同軸ケーブル20をケース18に水平に入れるの
が難しく、挟み金具19に挟持された時に水平になるこ
とが多いからである。Here, each θ formed by the frame body 11 and the leg portion 14 is set to 100 °, which is as described below, the duplexer 17 and the like shown in FIGS. 4 and 5. This is because it is difficult to put the coaxial cable 20 horizontally in the case 18 when it is used, and it is often horizontal when it is clamped by the clamp metal fitting 19.
【0020】更に、枠体11の上面には、前記接触部1
3,13によって形成される上部隙間を閉塞して、ここ
から内部導体が抜け出てしまうことを防止してこれを接
触部13,13に案内するための案内片16が連接され
ている。Further, on the upper surface of the frame body 11, the contact portion 1
A guide piece 16 is connected to close the upper gap formed by 3, 13 to prevent the inner conductor from coming out of the upper gap and guide the inner conductor to the contact portions 13, 13.
【0021】図4及び図5は上記接続端子10をBSI
F信号とUHF,VHF信号に分波する分波器17に用
いた使用例を示すもので、この分波器17には、プラス
チック製のケース18が備えられ、このケース18のほ
ぼ中央に設けられた凹部内に前記接続端子10が外部に
突出することなく収納されているとともに、接続端子1
0の同軸ケーブル挿入側には、アース接続部としての挟
み金具19が取付けられている。4 and 5 show that the connection terminal 10 is connected to the BSI.
This shows an example of use of the demultiplexer 17 for demultiplexing into an F signal, a UHF signal, and a VHF signal. The demultiplexer 17 is provided with a case 18 made of plastic, and is provided in the center of the case 18. The connection terminal 10 is housed in the recessed portion without protruding to the outside, and the connection terminal 1
On the insertion side of the coaxial cable of No. 0, a clamp metal fitting 19 as a ground connecting portion is attached.
【0022】この衛星放送用分波器17においてはコン
バータのための電流通過を必要としているが、このよう
に接続端子10をケース18内に完全に収納することに
より、この接続端子10が他の導体と接触してしまうこ
とを防止することができる。The satellite broadcast demultiplexer 17 requires the passage of a current for the converter. By completely housing the connection terminal 10 in the case 18 as described above, the connection terminal 10 can be replaced with another one. It is possible to prevent contact with the conductor.
【0023】そして、同軸ケーブル20の中心導体21
と編導体22とを露出させた状態でこの中心導体21を
接続端子10の内部に挿入して、これ接触部13,13
で挟持して電気的に接続させ、更に挟み金具19をペン
チ等で曲げて該挟み金具19と同軸ケーブル20の編導
体22とを電気的に接続させて分波器15に同軸ケーブ
ル20を繋ぐようになされている。The center conductor 21 of the coaxial cable 20
The central conductor 21 is inserted into the inside of the connection terminal 10 in a state where the knitted conductor 22 and the knitted conductor 22 are exposed, and the contact portions 13, 13
And then electrically connect them, and further bend the sandwiching metal 19 with pliers or the like to electrically connect the sandwiching metal 19 and the braided conductor 22 of the coaxial cable 20 to connect the coaxial cable 20 to the duplexer 15. Is done.
【0024】なお、前記ケース18の凹部底面には、図
5に示すように、上方に突出した案内突起18aが設け
られ、同軸ケーブル20の中心導体21を接続端子10
内に挿入する際、中心導体21はこの案内突起18aに
案内されて下方に抜け出てしまうことなく、接触部1
3,13に案内されるようなされている。As shown in FIG. 5, a guide protrusion 18a protruding upward is provided on the bottom surface of the recess of the case 18, and the central conductor 21 of the coaxial cable 20 is connected to the connection terminal 10.
When inserted into the inside, the center conductor 21 is guided by the guide protrusion 18a and does not come out downward, and the contact portion 1
It is said that it is guided to 3,13.
【0025】図6は上記接続端子10を2分配器23に
用いた使用例を示すもので、この使用例の場合、同軸ケ
ーブル20の編導体22と接続されるアース接続部とし
てΩバンド24が使用されている。FIG. 6 shows a usage example in which the connection terminal 10 is used in the two-way divider 23. In this usage example, the Ω band 24 is used as a ground connection portion connected to the braided conductor 22 of the coaxial cable 20. It is used.
【0026】図7は、夫々異なる本発明の他の実施例を
示すもので、同図(a)は、枠体を使用することなく弾
性片12,12を周壁25の内部に配置し、更に周壁2
5の下面に連続させて脚部14を後方にずらしたもので
ある。同図(b)は、枠体を使用することなく前面板2
6を用い、この前面板26に中心導体挿入用の挿入口2
6aを穿設するとともに、前面板26の直下方に脚部1
4を垂設したものである。また同図(c)は、同図
(b)に示すものにおける脚部14を後方にずらしたも
のである。FIG. 7 shows another embodiment of the present invention, which is different from each other. In FIG. 7A, the elastic pieces 12, 12 are arranged inside the peripheral wall 25 without using a frame, and Perimeter wall 2
5, the leg portions 14 are shifted rearward so as to be continuous with the lower surface of 5. FIG. 2B shows the front plate 2 without using a frame.
6 is used to insert the center conductor 2 into the front plate 26.
6a is drilled, and the leg portion 1 is provided immediately below the front plate 26.
4 is installed vertically. Further, FIG. 7C shows the leg portion 14 of the one shown in FIG.
【0027】図8は、中継用のコネクタ27に用いた他
の使用例を示すもので、一対の接続端子10,10をそ
の弾性片12,12を互いに対向させて対峙させ、その
脚部同志を連結板28で連接したものである。この使用
例は、電気回路を含まない例であり、接続端子10,1
0の各々の接触部13,13を中心より互いにずらすこ
とによって、同軸ケーブルの中心導体の先端同志がぶつ
からないようにするとともに、小型化を図っている。FIG. 8 shows another example of use of the connector 27 for relaying, in which a pair of connecting terminals 10 and 10 are made to face each other with their elastic pieces 12 and 12 facing each other, and their legs are comrades. Are connected by a connecting plate 28. This usage example is an example that does not include an electric circuit, and the connection terminals 10, 1
By displacing the contact portions 13, 13 of each other from the center with respect to each other, the tips of the center conductors of the coaxial cables are prevented from colliding with each other and the size is reduced.
【0028】[0028]
【発明の効果】本発明は上記のような構成であるので、
接続端子自体で同軸ケーブルの中心導体の案内を行うこ
とができるため、絶縁体を用いる必要をなくするととも
に、弾性片の案内部分の長さを短くしても確実に中心導
体を保持してこれと電気的に接続することができ、これ
によって小型化の要請に答えることができる。Since the present invention has the above-mentioned structure,
Since the center conductor of the coaxial cable can be guided by the connection terminal itself, it is not necessary to use an insulator, and the center conductor can be held securely even if the length of the guide portion of the elastic piece is shortened. It can be electrically connected to, and can meet the demand for miniaturization.
【0029】しかも、同軸ケーブルの中心導体が接触部
に確実に保持され、かつ中心導体が接触部より先に確実
な長さだけ延びているか否かを上から目視して確認する
ことができる。Moreover, it is possible to visually confirm from above whether the center conductor of the coaxial cable is securely held in the contact portion and the center conductor extends beyond the contact portion by a certain length.
【図1】本発明の一実施例を示す斜視図。FIG. 1 is a perspective view showing an embodiment of the present invention.
【図2】同じく、側面図。FIG. 2 is a side view of the same.
【図3】同じく、枠体を正面から見た部分図。FIG. 3 is a partial view of the frame body as seen from the front.
【図4】本発明の一使用例を示す斜視図。FIG. 4 is a perspective view showing a usage example of the present invention.
【図5】同じく、断面図。FIG. 5 is a sectional view of the same.
【図6】他の使用例を示す斜視図。FIG. 6 is a perspective view showing another usage example.
【図7】夫々異なる他の実施例を示す斜視図。FIG. 7 is a perspective view showing another embodiment different from each other.
【図8】更に他の使用例を示す斜視図。FIG. 8 is a perspective view showing still another usage example.
【図9】従来例を示す(a)は斜視図、(b)は底面
図、(c)は絶縁体に収納した状態の断面図。9A is a perspective view, FIG. 9B is a bottom view, and FIG. 9C is a cross-sectional view showing a state of being housed in an insulator.
10 接続端子 12 弾性片 13 接触部 16 案内片 17 分波器 18 ケース 20 同軸ケーブル 21 中心導体 23 2分配器 10 connection terminal 12 elastic piece 13 contact part 16 guide piece 17 demultiplexer 18 case 20 coaxial cable 21 center conductor 23 2 distributor
Claims (2)
部を連接し、この接触部で同軸ケーブルの中心導体を挟
持して該中心導体と電気的に接続する同軸ケーブル用接
続端子において、前記一対の弾性片を前記同軸ケーブル
の中心導体の挿入方向に沿って延ばすとともに、この弾
性片の中心導体挿入側と反対側の端部に前記接触部を設
けたことを特徴とする同軸ケーブル用接続端子。1. A connection terminal for a coaxial cable, wherein a contact portion is connected to the end portions of a pair of elastic pieces having a spring property, and the center conductor of the coaxial cable is sandwiched between the contact portions and electrically connected to the center conductor. In the above, the pair of elastic pieces are extended along the insertion direction of the central conductor of the coaxial cable, and the contact portion is provided at an end of the elastic piece opposite to the central conductor insertion side. Connection terminal for cable.
る空間を閉塞して前記同軸ケーブルの中心導体を前記接
触部に案内する案内片を配置したことを特徴とする請求
項1記載の同軸ケーブル用接続端子。2. A guide piece is disposed between the pair of elastic pieces to close the space formed therein and guide the center conductor of the coaxial cable to the contact portion. Connection terminal for the described coaxial cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278230A JP3061910B2 (en) | 1991-09-30 | 1991-09-30 | Connection terminal for coaxial cable |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP3278230A JP3061910B2 (en) | 1991-09-30 | 1991-09-30 | Connection terminal for coaxial cable |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05144488A true JPH05144488A (en) | 1993-06-11 |
JP3061910B2 JP3061910B2 (en) | 2000-07-10 |
Family
ID=17594436
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP3278230A Expired - Fee Related JP3061910B2 (en) | 1991-09-30 | 1991-09-30 | Connection terminal for coaxial cable |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP3061910B2 (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004031054A (en) * | 2002-06-25 | 2004-01-29 | Matsushita Electric Works Ltd | Television terminal |
JP2007013638A (en) * | 2005-06-30 | 2007-01-18 | Icom Inc | Antenna connection device, antenna connection structure using the same, and antenna connecting method |
CN102890225A (en) * | 2012-09-26 | 2013-01-23 | 常州市武进凤市通信设备有限公司 | Cable voltage-withstand test device |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6087572B2 (en) * | 2012-10-17 | 2017-03-01 | 株式会社ミツトヨ | Insulator type dial gauge |
-
1991
- 1991-09-30 JP JP3278230A patent/JP3061910B2/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004031054A (en) * | 2002-06-25 | 2004-01-29 | Matsushita Electric Works Ltd | Television terminal |
JP2007013638A (en) * | 2005-06-30 | 2007-01-18 | Icom Inc | Antenna connection device, antenna connection structure using the same, and antenna connecting method |
CN102890225A (en) * | 2012-09-26 | 2013-01-23 | 常州市武进凤市通信设备有限公司 | Cable voltage-withstand test device |
Also Published As
Publication number | Publication date |
---|---|
JP3061910B2 (en) | 2000-07-10 |
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