JPH03173079A - Coaxial connector - Google Patents
Coaxial connectorInfo
- Publication number
- JPH03173079A JPH03173079A JP1310912A JP31091289A JPH03173079A JP H03173079 A JPH03173079 A JP H03173079A JP 1310912 A JP1310912 A JP 1310912A JP 31091289 A JP31091289 A JP 31091289A JP H03173079 A JPH03173079 A JP H03173079A
- Authority
- JP
- Japan
- Prior art keywords
- contact
- conductor
- printed wiring
- outer conductor
- 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
- 239000004020 conductor Substances 0.000 claims abstract description 113
- 239000012212 insulator Substances 0.000 claims description 16
- 230000005489 elastic deformation Effects 0.000 abstract description 2
- 238000007689 inspection Methods 0.000 description 14
- 229910000679 solder Inorganic materials 0.000 description 2
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000000284 resting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Coupling Device And Connection With Printed Circuit (AREA)
- Testing Of Individual Semiconductor Devices (AREA)
- Multi-Conductor Connections (AREA)
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、印刷配線板に形成されている高周波回路と、
他の印刷配線板、機器などの回路に接続されている同軸
ケーブルとを接続する同軸コネクタに関し、特に、印刷
配線板の高周波回路の検査治具として用いられる同軸コ
ネクタに関する。Detailed Description of the Invention (Field of Industrial Application) The present invention provides a high frequency circuit formed on a printed wiring board,
The present invention relates to a coaxial connector for connecting a coaxial cable connected to a circuit of another printed wiring board or device, and particularly relates to a coaxial connector used as an inspection jig for high frequency circuits of printed wiring boards.
（従来の技術）
従来、印刷配線板の一方の面に形成されている高周波回
路と、他の印刷配線板、機器などの回路に接続されてい
る同軸ケー゛プルとを接続する同軸コネクタとして、両
端に開口する筒状の外部導体と、前記外部導体内に配置
され、該外部導体に固定されている絶縁体と、一端が前
記外部導体の一端から突出し、前記外部導体内を前記絶
縁体を経て伸びる棒状の内部導体とを備え、前記外部導
体の一端は前記印刷配線板の他方の面に形成されている
接地側の接点に接触し、前記内部導体の一端は前記印刷
配線板のスルーホールを介して前記高周波回路にはんだ
付けされているものがある。(Prior Art) Conventionally, a coaxial connector has been used to connect a high frequency circuit formed on one side of a printed wiring board and a coaxial cable connected to a circuit on another printed wiring board or equipment. a cylindrical outer conductor with openings at both ends; an insulator disposed within the outer conductor and fixed to the outer conductor; a rod-shaped internal conductor extending through the printed wiring board, one end of the external conductor contacts a ground side contact formed on the other surface of the printed wiring board, and one end of the internal conductor contacts a through hole of the printed wiring board. Some of them are soldered to the high frequency circuit via.
（発明が解決しようとする課題）
しかし、従来の同軸コネクタを印刷配線板の高周波回路
の検査治具として用いるとき、外部導体の他端は検査機
の同軸ケーブルの外部導体に接続され、内部導体の他端
は前記同軸ケーブルの内部導体に接続される。外部導体
の一端は印刷配線板の接地側の接点に接触され、内部導
体の一端はスルーホールを介して高周波回路の接点には
んだ付けされることにより、検査機と印刷配線板の高周
波回路とは電気的に接続されるから、印刷配線板の高周
波回路を検査する毎に内部導体の一端と印刷配線板との
はんだ付けおよびはんだの収り外しが必要になり、印刷
配線板との接続および接続解除に手間が掛る。その結果
、印刷配線板の検査作業の効率が低下する。(Problem to be Solved by the Invention) However, when a conventional coaxial connector is used as an inspection jig for high frequency circuits on printed wiring boards, the other end of the outer conductor is connected to the outer conductor of the coaxial cable of the inspection machine, and the inner conductor is connected to the outer conductor of the coaxial cable of the inspection machine. The other end is connected to the inner conductor of the coaxial cable. One end of the outer conductor is contacted to the ground side contact of the printed wiring board, and one end of the inner conductor is soldered to the contact of the high frequency circuit through the through hole, so that the inspection machine and the high frequency circuit of the printed wiring board can be connected. Since it is electrically connected, it is necessary to solder one end of the internal conductor to the printed wiring board and remove the solder every time the high frequency circuit of the printed wiring board is inspected. It takes time to release. As a result, the efficiency of inspection work for printed wiring boards decreases.
本発明の目的は、印刷配線板との接続およびその接続解
除を容易にすることができる同軸コネクタを提供するこ
とにある。An object of the present invention is to provide a coaxial connector that can be easily connected to and disconnected from a printed wiring board.
（課題を解決するための手段）
本発明は、印刷配線板に形成されている高周波回路と、
他の印刷配線板、機器などの回路に接続されている同軸
ケーブルとを接続する同軸コネクタであって、両端に開
口する筒状の外部導体と、前記外部導体内に配置され、
該外部導体に固定されている絶縁体と、前記絶縁体に固
定され、前記外部導附内を前記絶縁体を経て前記外部導
体と同軸上に伸びる筒状の内部導体と、該内部導体の一
端に取り付けられ、前記外部導体の一端の開口から突出
している接触子とを備え、前記内部導体の−ｔ！Ｍ側に
該内部導体の軸線に沿って伸びる複数の切込みが設けら
れ、前記外部導体の一端が前記印刷配線板の接地側の接
点に接触しているとき、前記接触子は前記高周波回路の
前記接地側接点と同一面上に設けられている接点に接触
する。(Means for Solving the Problems) The present invention provides a high frequency circuit formed on a printed wiring board,
A coaxial connector for connecting a coaxial cable connected to a circuit of another printed wiring board, equipment, etc., comprising a cylindrical outer conductor opening at both ends, and a cylindrical outer conductor disposed within the outer conductor,
an insulator fixed to the outer conductor; a cylindrical inner conductor fixed to the insulator and extending coaxially with the outer conductor through the insulator; and one end of the inner conductor. -t! of the inner conductor and a contact protruding from an opening at one end of the outer conductor; A plurality of notches extending along the axis of the internal conductor are provided on the M side, and when one end of the external conductor is in contact with a contact point on the ground side of the printed wiring board, the contactor is connected to the contact point of the high frequency circuit. Contact a contact provided on the same surface as the ground side contact.
（作用）
本発明の同軸コネクタの使用時、前記外部導体の他端は
前記同軸ケーブルの外部導体に接続され、前記内部導体
の他端は前記同軸ケーブルの内部導体に接続される。(Function) When the coaxial connector of the present invention is used, the other end of the outer conductor is connected to the outer conductor of the coaxial cable, and the other end of the inner conductor is connected to the inner conductor of the coaxial cable.
前記同軸コネクタが前記印ψｊ配線板の高周波回路に電
気的に接続されるとき、前記外部導体はその一端が前記
印刷配線板の接地側の接点に対向するようにかつ前記接
触子が前記高周波回路の接点に対向するように前記印刷
配線板に向けて押し付けられる。前記接触子が前記高周
波回路の接点に接触するとき、前記接触子は前記外部導
体の一端から外部に突出していることにより、前記接触
子は前記内部導体をその軸線方向にその他端に向けて押
圧する。前記内部導体にその軸線方向に伸びる複数の切
込みが設けられていることにより、前記内部導体の切込
みが設けられている部位は前記内部導体の軸線と直交す
る方向に向けて弾性変形されるから、前記内部導体はそ
の軸線方向にその他端に向けて伸縮され、前記接触子は
前記外部導体に向けて移動される。When the coaxial connector is electrically connected to the high frequency circuit of the printed wiring board, the outer conductor is arranged such that one end thereof faces a contact on the ground side of the printed wiring board, and the contactor is connected to the high frequency circuit of the printed wiring board. is pressed toward the printed wiring board so as to face the contacts of the printed wiring board. When the contactor contacts a contact point of the high frequency circuit, the contactor projects outward from one end of the outer conductor, so that the contactor presses the inner conductor in its axial direction toward the other end. do. By providing the internal conductor with a plurality of cuts extending in the axial direction thereof, the portion of the internal conductor where the cuts are provided is elastically deformed in a direction perpendicular to the axis of the internal conductor. The inner conductor is expanded and contracted in the axial direction toward the other end, and the contact is moved toward the outer conductor.
前記接触子の移動によって前記外部導体の一端が前記接
地側の接点に接触するとき、前記接地側の接点と前記同
軸ケーブルの外部導体とは電気的に接続される。また、
前記接触子は前記内部導体の復元力によって前記高周波
回路の接点に向けて押圧されているから、前記接触子と
前記高周波回路の接点とは互いに確実に、前記高周波回
路の接点と前記同軸ケーブルの内部導体とは電気的に接
続される。その結果、前記外部導体を前記印刷配線板に
押し付けることによって前記外部導体と前記接地側の接
点とがまた前記内部導体と前記高周波回路の接点とが接
続され、接続作業が容易になる。また、前記外部導体を
前記印刷配線板から離隔することによって前記接続が容
易に解除される。When one end of the outer conductor comes into contact with the ground-side contact due to movement of the contactor, the ground-side contact and the outer conductor of the coaxial cable are electrically connected. Also,
Since the contact is pressed toward the contact of the high frequency circuit by the restoring force of the internal conductor, the contact of the high frequency circuit and the contact of the coaxial cable are securely connected to each other. It is electrically connected to the internal conductor. As a result, by pressing the outer conductor against the printed wiring board, the outer conductor and the ground side contact, and the inner conductor and the high frequency circuit contact are connected, making the connection work easier. Moreover, by separating the external conductor from the printed wiring board, the connection can be easily released.
（実施例）
第１図は本発明の同軸コネクタの一実施例の使用状態を
示す縦断面図である。(Embodiment) FIG. 1 is a longitudinal cross-sectional view showing a state in which an embodiment of the coaxial connector of the present invention is used.
マイクロ波通信装置には、表面に高周波回路１０を有す
る印刷配線板１２が用いられる。印刷配線板１２の裏面
には、高周波回路１０の接点１４および接地導体１６が
形成されている。高周波回路１０の接点１４はスルーホ
ール１８を介して表面の高周波回路１０に接続されてい
る。A printed wiring board 12 having a high frequency circuit 10 on its surface is used in the microwave communication device. Contact points 14 of the high frequency circuit 10 and a ground conductor 16 are formed on the back surface of the printed wiring board 12. Contacts 14 of the high frequency circuit 10 are connected to the high frequency circuit 10 on the surface via through holes 18 .
印刷配線板１２の高周波回路１０を検査機（図示せず）
で検査するときには、同軸コネクタ２０が用いられる。An inspection machine (not shown) inspects the high frequency circuit 10 of the printed wiring board 12.
A coaxial connector 20 is used for inspection.
同軸コネクタ２０は、両端に開口する筒状の外部導体２
２を備える。外部導体２２の一端の外形寸法はその他端
の外形寸法より大きく、その他端の外周面はねじ部（図
示せず）が形成されている。外部導体２２の一端側の開
口は、その（（！！端側の開口の直径寸法より大きい直
径寸法を有する。The coaxial connector 20 has a cylindrical outer conductor 2 that is open at both ends.
2. The external dimensions of one end of the external conductor 22 are larger than those of the other end, and a threaded portion (not shown) is formed on the outer peripheral surface of the other end. The opening at one end of the outer conductor 22 has a diameter larger than the diameter of the opening at its ((!!) end.
外部導体２２には、絶縁体２４に固定されている。絶縁
体２４は、外部導体２２の小径開口内に配置されている
。絶縁体２４の中心には、外部導体２２と同軸上に伸び
る貫通孔２６が設けられている。An insulator 24 is fixed to the outer conductor 22 . Insulator 24 is disposed within the small diameter opening of outer conductor 22 . A through hole 26 is provided at the center of the insulator 24 and extends coaxially with the outer conductor 22 .
絶縁体２４には、筒状の内部導体２８が固定されている
。本実施例においては、内部導体２８は外部導体２２の
大径開口内を伸びる大径部を有する。前記大径部には、
その一端から貫通孔２６と同軸上に伸びる穴３０が設け
られている。また、前記大径部には、その一端からその
軸線に沿って伸びる複数の切欠き３２が設けられている
。前記大径部の他端には、小径部の一端が一体的に連な
る。前記小径部には、その他端から貫通孔２６と同軸上
に伸びる穴３４が設けられている。前記小径部は貫通孔
２６に嵌合され、前記大径部のｆｌ！！端は絶縁体２４
に当接されている。A cylindrical internal conductor 28 is fixed to the insulator 24 . In this embodiment, the inner conductor 28 has a large diameter portion that extends within the large diameter opening of the outer conductor 22 . The large diameter portion includes
A hole 30 extending coaxially with the through hole 26 is provided from one end thereof. Further, the large diameter portion is provided with a plurality of notches 32 extending from one end thereof along its axis. One end of the small diameter portion is integrally connected to the other end of the large diameter portion. A hole 34 extending coaxially with the through hole 26 from the other end is provided in the small diameter portion. The small diameter portion is fitted into the through hole 26, and the fl! of the large diameter portion is fitted into the through hole 26. ! The end is an insulator 24
is in contact with.
内部導体２８には、接触子３６が取り付けられている。A contact 36 is attached to the inner conductor 28 .
本実施例においては、接触子３６は、円錐部と、その小
径部分に一体的に連なる休部とからなる。接触子３６の
休部は内部導体２８の穴３０に嵌合されている。接触子
３６の休部は外部導体２２の一端側の開口から外部に突
出している。In this embodiment, the contactor 36 consists of a conical portion and a resting portion that is integrally connected to the small diameter portion of the conical portion. The rest of the contactor 36 is fitted into the hole 30 of the inner conductor 28. The rest portion of the contactor 36 protrudes to the outside from an opening on one end side of the outer conductor 22.
同軸コネクタ２０には、検査機の同軸ケーブル４０が止
め具４２で固定されている。同軸ケーブル４０の外部導
体４４の一端は、外部導体２２の他端のねじ部に螺合さ
れる止め具４２と、外部導体２２の他端との間に挟まれ
ている。同軸ケーブル４０の絶縁体４６は外部導体２２
の他端側の開口に挿入され、その先端は絶縁体２４に当
接されている。絶縁体４６の先端から突出している内部
導体４８は、内部導体２８の穴３４に受は入れられかつ
内部導体２８に電気的に接続されている。A coaxial cable 40 of an inspection machine is fixed to the coaxial connector 20 with a stopper 42 . One end of the outer conductor 44 of the coaxial cable 40 is sandwiched between the other end of the outer conductor 22 and a stopper 42 that is screwed into the threaded portion of the other end of the outer conductor 22 . The insulator 46 of the coaxial cable 40 is connected to the outer conductor 22
It is inserted into the opening on the other end side, and its tip is in contact with the insulator 24. An inner conductor 48 protruding from the tip of the insulator 46 is received in the hole 34 of the inner conductor 28 and is electrically connected to the inner conductor 28 .
同軸コネクタ２０が印刷配線板１２の高周波回路１０に
電気的に接続されるとき、外部導体２２はその一端が印
刷配線板１２の接地導体１６に対向するようにかつ接触
子３６が高周波回路１０の接点１４に対向するように印
刷配線板１２の裏面に向けて押し付けられる。When the coaxial connector 20 is electrically connected to the high frequency circuit 10 of the printed wiring board 12, the outer conductor 22 is arranged such that one end thereof faces the ground conductor 16 of the printed wiring board 12, and the contact 36 is connected to the high frequency circuit 10 of the high frequency circuit 10. It is pressed toward the back surface of the printed wiring board 12 so as to face the contacts 14 .
接触子３６の円錐部が接点１４に接触するとき、接触子
３６の円錐部は外部導体２２の一端側の開口から外部に
突出していることにより、接触子３６は内部導体２８を
その軸線方向に他端に向けて押圧する。内部導体２８に
は、複数の切込み３２が設けられていることにより、内
部導体２８の切込み３２が設けられている部位は、内部
導体２８の軸線と直交する方向に外方へ向けて弾性変形
されるから、内部導体２８はその軸線方向にその他端に
向けて伸縮され、接触子３６は外部導体２２に向けて移
動される。When the conical part of the contactor 36 contacts the contact 14, the conical part of the contactor 36 projects outward from the opening on one end side of the outer conductor 22, so that the contactor 36 moves the inner conductor 28 in its axial direction. Press toward the other end. Since the inner conductor 28 is provided with a plurality of cuts 32, the portion of the inner conductor 28 where the cuts 32 are provided is elastically deformed outward in a direction perpendicular to the axis of the inner conductor 28. Therefore, the inner conductor 28 is expanded and contracted in the axial direction toward the other end, and the contact 36 is moved toward the outer conductor 22.
接触子３６の移動によって外部導体２２の一端が接地導
体１６に接触されるとき、接地導体１６と検査機の同軸
ケーブル４０の外部導体４４とは電気的に接続される。When one end of the outer conductor 22 is brought into contact with the ground conductor 16 by movement of the contactor 36, the ground conductor 16 and the outer conductor 44 of the coaxial cable 40 of the inspection machine are electrically connected.
また、接触子３６は内部導体２８の弾性変形の復元力に
よって接点１４に向けて押圧されているから、接触子３
６と接点１４とは互いに確かに接触し、接点１４と同軸
ケーブル４０の内部導体４８とは電気的に接続される。Further, since the contact 36 is pressed toward the contact 14 by the restoring force of the elastic deformation of the internal conductor 28, the contact 36
6 and the contact 14 are in solid contact with each other, and the contact 14 and the inner conductor 48 of the coaxial cable 40 are electrically connected.
その結果、外部導体２２を印刷配線板１２に押し付ける
ことによって印刷配線板１２の高周波回路１０と検査機
とが接続され、接続作業が容易になる。As a result, by pressing the outer conductor 22 against the printed wiring board 12, the high frequency circuit 10 of the printed wiring board 12 and the inspection machine are connected, making the connection work easier.
検査終了時、外部導体２２を接地導体１６から離隔する
ことによって接触子３６は接点１４から離れ、また、内
部導体２８の復元によって外部導体２２から突出するか
ら、印刷配線板１２の高周波回路１０と検査機との接続
は容易に解除される。At the end of the test, the contacts 36 are separated from the contacts 14 by separating the outer conductor 22 from the ground conductor 16, and protrude from the outer conductor 22 by restoring the inner conductor 28, so that the high frequency circuit 10 of the printed wiring board 12 and The connection with the inspection machine is easily released.
（発明の効果）
本発明によれば、前記外部導体を前記印刷配線板に押し
付けることによって前記外部導体と前記接地側の接点と
がおよび前記内部導体と前記高周波回路の接点とが容易
に接続されまた、前記外部導体を前記印刷配線板から離
隔することによって各接続が容易に解除れるから、接続
およびその解除作業が容易になる。(Effects of the Invention) According to the present invention, by pressing the outer conductor against the printed wiring board, the outer conductor and the ground side contact and the inner conductor and the high frequency circuit contact are easily connected. Moreover, since each connection can be easily released by separating the external conductor from the printed wiring board, the connection and release operations are facilitated.
また、本発明を検査治具として使用するとき、検査効率
を上昇させることができる。Furthermore, when the present invention is used as an inspection jig, inspection efficiency can be increased.
第１図は本発明の同軸コネクタの一実施例の使用状態を
示す図である。
１０・・・高周波回路、１２・・・印刷配線板、１４・
・・接点、１６・・・接地導体、２０・・・同軸コネク
タ、２２・・・外部導体、２４・・・絶縁体、２８・・
・内部導体、３２・・・切片、３６・・・接触子、４０
・・・同軸ゲーブル。FIG. 1 is a diagram showing a state in which an embodiment of the coaxial connector of the present invention is used. 10... High frequency circuit, 12... Printed wiring board, 14...
...Contact, 16...Grounding conductor, 20...Coaxial connector, 22...Outer conductor, 24...Insulator, 28...
- Internal conductor, 32... section, 36... contact, 40
...Coaxial cable.
Claims (1)
配線板、機器などの回路に接続されている同軸ケーブル
とを接続する同軸コネクタであつて、両端に開口する筒
状の外部導体と、前記外部導体内に配置され、該外部導
体に固定されている絶縁体と、前記絶縁体に固定され、
前記外部導体内を前記絶縁体を経て前記外部導体と同軸
上に伸びる筒状の内部導体と、該内部導体の一端に取り
付けられ、前記外部導体の一端の開口から突出している
接触子とを備え、前記内部導体の一端側に該内部導体の
軸線に沿って伸びる複数の切込みが設けられ、前記外部
導体の一端が前記印刷配線板の接地側の接点に接触して
いるとき、前記接触子は前記高周波回路の前記接地側接
点と同一面上に設けられている接点に接触する同軸コネ
クタ。A coaxial connector that connects a high frequency circuit formed on a printed wiring board and a coaxial cable connected to a circuit of another printed wiring board, equipment, etc., which has a cylindrical outer conductor that is open at both ends; an insulator disposed within the outer conductor and fixed to the outer conductor; fixed to the insulator;
A cylindrical inner conductor extending coaxially with the outer conductor through the insulator within the outer conductor, and a contactor attached to one end of the inner conductor and protruding from an opening at one end of the outer conductor. , when one end of the internal conductor is provided with a plurality of notches extending along the axis of the internal conductor, and one end of the external conductor is in contact with a contact on the ground side of the printed wiring board, the contactor is A coaxial connector that contacts a contact provided on the same surface as the ground side contact of the high frequency circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1310912A JPH03173079A (en) | 1989-11-30 | 1989-11-30 | Coaxial connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1310912A JPH03173079A (en) | 1989-11-30 | 1989-11-30 | Coaxial connector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03173079A true JPH03173079A (en) | 1991-07-26 |
Family
ID=18010885
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1310912A Pending JPH03173079A (en) | 1989-11-30 | 1989-11-30 | Coaxial connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03173079A (en) |
-
1989
- 1989-11-30 JP JP1310912A patent/JPH03173079A/en active Pending
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