JP2018116862A - Coaxial cable connector and coaxial cable connection method - Google Patents

Coaxial cable connector and coaxial cable connection method Download PDF

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JP2018116862A
JP2018116862A JP2017007413A JP2017007413A JP2018116862A JP 2018116862 A JP2018116862 A JP 2018116862A JP 2017007413 A JP2017007413 A JP 2017007413A JP 2017007413 A JP2017007413 A JP 2017007413A JP 2018116862 A JP2018116862 A JP 2018116862A
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coaxial cable
inner conductor
recess
contact member
opening
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陽一 橋本
Yoichi Hashimoto
陽一 橋本
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I Pex Inc
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Dai Ichi Seiko Co Ltd
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Abstract

PROBLEM TO BE SOLVED: To provide a coaxial cable connector which can connect internal conductors of a coaxial cable with a signal contact member properly, reliably and robustly by ultrasonic junction in a state where the internal conductors are not scattered, without relying upon soldering, and to provide a coaxial cable connection method using the coaxial cable connector.SOLUTION: An insulation housing member 13 supporting a signal contact member 11 and a ground contact member 12 is provided with a first recess 25 having a first bottom formed by an internal conductor connection part 14 of the signal contact member, and a first opening for abutting the internal conductor 31 of a coaxial cable 30 on the first bottom, and permitting insertion of an ultrasonic horn 41, and a second recess 26 formed continuously to the first recess while having a second bottom where the internal conductor connection part of the signal contact member is placed and a second opening for introducing a leading end 31a of the internal conductor of the coaxial cable toward the second bottom, and ultrasonically welded to the leading end of the internal conductor of the coaxial cable.SELECTED DRAWING: Figure 13

Description

本願の特許請求の範囲に記載された発明は、内部導体とそれを絶縁体を介して包囲する外部導体とが絶縁被覆されて成る同軸ケーブルの内部導体及び外部導体が夫々接続される、互いに絶縁されたシグナルコンタクト部材及びグラウンドコンタクト部材を備えた同軸ケーブルコネクタ、及び、同軸ケーブルの内部導体及び外部導体を、同軸ケーブルコネクタに設けられた互いに絶縁されたシグナルコンタクト部材及びグラウンドコンタクト部材に夫々接続された状態とする同軸ケーブル接続方法に関する。   The invention described in the claims of the present application provides insulation between the inner conductor and the outer conductor of the coaxial cable in which the inner conductor and the outer conductor that surrounds the inner conductor are insulated. The coaxial cable connector provided with the signal contact member and the ground contact member, and the inner conductor and the outer conductor of the coaxial cable are respectively connected to the signal contact member and the ground contact member that are insulated from each other provided in the coaxial cable connector. The present invention relates to a method for connecting a coaxial cable.

複数の電気／電子部品，電気装置あるいは電子機器間等における高周波信号の伝送には、外部ノイズの影響を受け難い信号伝送路を形成する、内部導体とそれを絶縁体を介して包囲する外部導体とが表皮絶縁体により被覆されて成る同軸ケーブルが用いられることが多い。例えば、同軸ケーブルが高周波信号を扱う回路基板に接続されて、当該回路基板からその外部への同軸ケーブルを通じた高周波信号の伝送、あるいは、当該回路基板へのその外部からの高周波信号の同軸ケーブルを通じた伝送が行われる。   For transmission of high-frequency signals between multiple electrical / electronic components, electrical devices, or electronic devices, an internal conductor and an external conductor that surrounds it with an insulator form a signal transmission path that is not easily affected by external noise. In many cases, coaxial cables are used that are covered with a skin insulator. For example, when a coaxial cable is connected to a circuit board that handles high-frequency signals, the high-frequency signal is transmitted from the circuit board to the outside through the coaxial cable, or through the coaxial cable of the high-frequency signal from the outside to the circuit board. Transmission is performed.

同軸ケーブルが回路基板に接続される際には、同軸ケーブルの内部導体との電気的接続状態におかれるシグナルコンタクト部材と同軸ケーブルの外部導体との電気的接続状態におかれるグラウンドコンタクト部材とを備えた同軸ケーブルコネクタが同軸ケーブルの一端に装着され、その同軸ケーブルコネクタが、例えば、回路基板において扱われる高周波信号が供給されるシグナルコンタクト部とそのシグナルコンタクト部を包囲して配されてグラウンド電位が与えられる環状のグラウンドコンタクト部とを備えて回路基板に取り付けられた、相手方コネクタに連結されるようにされる。斯かる同軸ケーブルコネクタの相手方コネクタとの連結は、例えば、同軸ケーブルコネクタのグラウンドコンタクト部材が相手方コネクタのグラウンドコンタクト部に嵌合接続されるもとで、同軸ケーブルコネクタのシグナルコンタクト部材が相手方コネクタのシグナルコンタクト部に接触接続される状態がとられて行われる。   When the coaxial cable is connected to the circuit board, a signal contact member placed in an electrical connection state with the inner conductor of the coaxial cable and a ground contact member placed in an electrical connection state with the outer conductor of the coaxial cable. The coaxial cable connector provided is attached to one end of the coaxial cable, and the coaxial cable connector is disposed so as to surround the signal contact portion and the signal contact portion to which a high-frequency signal handled in a circuit board is supplied, for example, and ground potential. Are connected to a mating connector attached to the circuit board. For example, the coaxial cable connector is connected to the mating connector by, for example, the ground contact member of the coaxial cable connector being fitted and connected to the ground contact portion of the mating connector, and the signal contact member of the coaxial cable connector is connected to the mating connector. A state of being contact-connected to the signal contact portion is taken.

上述のように同軸ケーブルコネクタが同軸ケーブルの一端に装着されるにあたっては、同軸ケーブルの内部導体が同軸ケーブルコネクタのシグナルコンタクト部材に接続されるとともに、同軸ケーブルの外部導体が同軸ケーブルコネクタのグラウンドコンタクト部材との接続状態におかれることが要されるが、とりわけ、同軸ケーブルの内部導体については、通常、多数の細導線が縒り合されて成る縒り線とされることもあって、その同軸ケーブルコネクタのシグナルコンタクト部材との接続は、接続状態の良否が同軸ケーブルを通じた高周波信号の伝送特性に直接的な影響を及ぼすことになるので、できるだけ良質な電気的接続状態が得られるものとされることが望まれる。このようなもとで、従来提案されている同軸ケーブルコネクタにあっては、同軸ケーブルの内部導体についての同軸ケーブルコネクタのシグナルコンタクト部材との接続を、半田付けによって行うことが提案されている（例えば、特許文献１参照）。また、従来においては、同軸ケーブルの内部導体についての同軸ケーブルコネクタのシグナルコンタクト部材との接続を、半田付けに代えて超音波溶接や電気溶接によって行うという概念も、考えられる手法の一つとして提案されている（例えば、特許文献２参照）。   As described above, when the coaxial cable connector is attached to one end of the coaxial cable, the inner conductor of the coaxial cable is connected to the signal contact member of the coaxial cable connector, and the outer conductor of the coaxial cable is connected to the ground contact of the coaxial cable connector. In particular, the inner conductor of the coaxial cable is usually a stranded wire formed by joining a number of fine conductors. The connection of the connector to the signal contact member directly affects the transmission characteristics of the high-frequency signal through the coaxial cable, so that the electrical connection state of the highest possible quality can be obtained. It is desirable. Under such circumstances, in the conventionally proposed coaxial cable connector, it is proposed that the connection of the inner conductor of the coaxial cable with the signal contact member of the coaxial cable connector is performed by soldering ( For example, see Patent Document 1). Also, in the past, the concept of connecting the coaxial cable connector with the signal contact member of the coaxial cable connector by using ultrasonic welding or electric welding instead of soldering has been proposed as one of the possible methods. (For example, refer to Patent Document 2).

特許文献１に開示されている同軸ケーブルコネクタ（電気コネクタ(20)) は、同軸ケーブル（ケーブル(10)) の内部導体（芯線(12)) が接続される内部導体接続部（結線部(2))及びそれから伸びる一対の接触係合部（接触部(4))を有したシグナルコンタクト部材（接触端子(1))と、環状嵌合部（筒状部(23)）及びそれから折曲可能に伸びるシェル部（腕部(24)を有したグラウンドコンタクト部材（外部導体(21)）と、グラウンドコンタクト部材の環状嵌合部の内側に配された接触部受入部(26)及びそれから折曲可能に伸びる蓋部(27)を有し、シグナルコンタクト部材とグラウンドコンタクト部材とを相互に絶縁される状態をもって支持する絶縁ハウジング部材（絶縁体（誘電体)(22))とを備えて構成されている。シグナルコンタクト部材の内部導体接続部の一端部には、同軸ケーブルの内部導体に係合する溝部(6) が設けられており、溝部はＶ字状部分(6A)と丸形状部分(6B)とを有している。   The coaxial cable connector (electrical connector (20)) disclosed in Patent Document 1 has an inner conductor connecting portion (connection portion (2) to which an inner conductor (core wire (12)) of a coaxial cable (cable (10)) is connected. )) And a signal contact member (contact terminal (1)) having a pair of contact engaging portions (contact portion (4)) extending therefrom, an annular fitting portion (tubular portion (23)), and bendable therefrom. Shell part (ground contact member (outer conductor (21)) having an arm part (24), contact part receiving part (26) arranged on the inner side of the annular fitting part of the ground contact member, and bent therefrom An insulating housing member (insulator (dielectric) (22)) for supporting the signal contact member and the ground contact member in a state of being insulated from each other, having a cover portion (27) that extends in a possible manner. One end of the inner conductor connection of the signal contact member The groove portion engaging the inner conductor of the coaxial cable (6) is provided, the groove has a V-shaped portion (6A) and a round-shaped portion (6B).

そして、同軸ケーブルの内部導体がシグナルコンタクト部材の内部導体接続部との接続状態におかれるにあたっては、先ず、同軸ケーブルの内部導体が、シグナルコンタクト部材の内部導体接続部に設けられた溝部に、そのＶ字状部分から導入されて丸形状部分内に至るようにして配される。その後、所定の工具により溝部が狭められるように塑性変形せしめられて、その溝部により同軸ケーブルの内部導体が挟持される。続いて、同軸ケーブルの内部導体の先端部がシグナルコンタクト部材の内部導体接続部における外面部に密着せしめられたもとで、同軸ケーブルの内部導体がシグナルコンタクト部材の内部導体接続部に半田付けにより接続される。   And, when placing the inner conductor of the coaxial cable in the connection state with the inner conductor connecting portion of the signal contact member, first, the inner conductor of the coaxial cable is in the groove provided in the inner conductor connecting portion of the signal contact member, It is introduced from the V-shaped part and arranged so as to reach the round-shaped part. Thereafter, the groove portion is plastically deformed so as to be narrowed by a predetermined tool, and the inner conductor of the coaxial cable is sandwiched by the groove portion. Subsequently, the inner conductor of the coaxial cable is brought into close contact with the outer surface of the inner conductor connecting portion of the signal contact member, and the inner conductor of the coaxial cable is connected to the inner conductor connecting portion of the signal contact member by soldering. The

なお、特許文献１に開示されている同軸ケーブルコネクタにおける同軸ケーブルの外部導体（シールド線(13)) についてのグラウンドコンタクト部材との接続は、同軸ケーブルの内部導体がシグナルコンタクト部材の内部導体接続部に半田付けにより接続された後に、シグナルコンタクト部材のシェル部が、グラウンドコンタクト部材の蓋部を伴って内部導体が内部導体接続部に接続された同軸ケーブルに向かって折曲せしめられ、それにより、同軸ケーブルの外部導体に当接する状態をもって同軸ケーブルに機械的に係止されることにより行われる。   In addition, the connection with the ground contact member about the outer conductor (shield wire (13)) of the coaxial cable in the coaxial cable connector disclosed in Patent Document 1 is performed by connecting the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member. After being connected by soldering, the shell portion of the signal contact member is bent toward the coaxial cable in which the inner conductor is connected to the inner conductor connecting portion with the lid portion of the ground contact member, thereby This is performed by mechanically locking to the coaxial cable in a state where it abuts against the outer conductor of the coaxial cable.

また、特許文献２に開示されている同軸ケーブルコネクタ（同軸コネクタ(1))は、同軸ケーブル（20) の内部導体（中心導体(21)) が接続される内部導体接続部（結線部(2a)) 及びそれから伸びる一対の接触係合部（接触部(2b)) を有したシグナルコンタクト部材（端子(2))と、環状嵌合部（筒状部(4a)）及びそれから折曲可能に伸びるシェル部（外蓋部(4b)を有したグラウンドコンタクト部材（外部導体(4))と、シグナルコンタクト部材とグラウンドコンタクト部材とを相互に絶縁される状態をもって支持する絶縁ハウジング部材（絶縁体(3) とを備えて構成されている。そして、特許文献２には、斯かる同軸ケーブルコネクタ、即ち、同軸コネクタ(1) におけるシグナルコンタクト部材の内部導体接続部に同軸ケーブルの内部導体を接続するにあたり、同軸ケーブルの内部導体を、超音波溶接や電気溶接により、シグナルコンタクト部材の内部導体接続部に溶接してもよい旨が記載されている。   In addition, the coaxial cable connector (coaxial connector (1)) disclosed in Patent Document 2 has an inner conductor connecting portion (connection portion (2a) to which the inner conductor (center conductor (21)) of the coaxial cable (20) is connected. )) And a signal contact member (terminal (2)) having a pair of contact engaging portions (contact portion (2b)) extending therefrom, an annular fitting portion (tubular portion (4a)), and bendable therefrom. An extending shell portion (a ground contact member (outer conductor (4)) having an outer lid portion (4b) and an insulating housing member (insulator (4)) that supports the signal contact member and the ground contact member in a mutually insulated state. In Patent Document 2, the coaxial cable connector, that is, the inner conductor connection portion of the signal contact member in the coaxial connector (1) is connected to the inner conductor of the coaxial cable. The same The inner conductor of the cable, by ultrasonic welding or electrical welding, it is described that may be welded to the inner conductor connecting portion of the signal contact member.

特開平８−９６８９９号公報JP-A-8-96899 特開２００６−１６４７９１号公報JP 2006-164791 A

上述の特許文献１に開示されているような従来提案されている同軸ケーブルコネクタにあっては、同軸ケーブルの内部導体が、シグナルコンタクト部材の内部導体接続部に設けられた溝部により挟持されたもとで、半田付けによりシグナルコンタクト部材の内部導体接続部に接続される接続態様がとられるが、斯かる接続態様は次のような不都合を伴っている。即ち、同軸ケーブルの内部導体がシグナルコンタクト部材の内部導体接続部に半田付けにより接続されることにより、シグナルコンタクト部材の内部導体接続部と同軸ケーブルの、通常、縒り線とされる内部導体との接続部分に、溶融せしめられた後凝固した半田が残存することになり、シグナルコンタクト部材の内部導体接続部と同軸ケーブルの内部導体との接続部分が占める容積の増加がまねかれてしまう。そして、斯かる容積の増加が、同軸ケーブルコネクタに求められる全体の低背化に支障をきたすことになりかねない。さらに、同軸ケーブルの内部導体をシグナルコンタクト部材の内部導体接続部に半田付けにより接続するに際して、使用される半田量を適量にすべく正確に制御することが困難であって、半田量が少な過ぎてあるいは多過ぎて、適正な半田接続状態が得られないことになる虞がある。そして、適正な半田接続状態が得られないもとでは、同軸ケーブルの一端に装着された同軸ケーブルコネクタにおける特性インピーダンス値を適正に保つことができず、同軸ケーブルコネクタに同軸ケーブルを適正かつ安定に接続することができなかったことになる。   In the conventionally proposed coaxial cable connector as disclosed in Patent Document 1 described above, the inner conductor of the coaxial cable is sandwiched by the groove provided in the inner conductor connecting portion of the signal contact member. In addition, a connection mode in which the connection is made to the inner conductor connection portion of the signal contact member by soldering is employed. However, such a connection mode has the following disadvantages. That is, by connecting the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member by soldering, the inner conductor connecting portion of the signal contact member and the inner conductor of the coaxial cable, which is normally a stranded wire, are connected. Solder that has been solidified after being melted remains in the connection portion, and an increase in volume occupied by the connection portion between the inner conductor connection portion of the signal contact member and the inner conductor of the coaxial cable is imitated. Such an increase in volume may hinder the overall height reduction required for the coaxial cable connector. Furthermore, when connecting the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member by soldering, it is difficult to accurately control the amount of solder used, and the amount of solder is too small. Therefore, there is a possibility that a proper solder connection state cannot be obtained. If the proper solder connection state cannot be obtained, the characteristic impedance value of the coaxial cable connector attached to one end of the coaxial cable cannot be maintained properly, and the coaxial cable is properly and stably connected to the coaxial cable connector. I couldn't connect.

また、上述の特許文献２における、同軸ケーブルコネクタにおけるシグナルコンタクト部材の内部導体接続部に同軸ケーブルの内部導体を接続するにあたり、同軸ケーブルの内部導体を、超音波溶接や電気溶接により、シグナルコンタクト部材の内部導体接続部に溶接してもよい旨の記載は、同軸ケーブルの内部導体についての同軸ケーブルコネクタのシグナルコンタクト部材との接続手法の一つとして超音波溶接や電気溶接があり得ることを単に概念的に述べたものに過ぎず、特許文献２には、超音波溶接や電気溶接を実現させるために要される具体的構成あるいは手段については何ら述べられていない。例えば、同軸ケーブルの内部導体についてのシグナルコンタクト部材の内部導体接続部との超音波溶接を実現させるためには、少なくとも同軸ケーブルの、通常、縒り線とされる内部導体に超音波振動を加える超音波ホーンが必須とされ、通常、超音波ホーンは、同軸ケーブルの内部導体の径寸法及びシグナルコンタクト部材の内部導体接続部における同軸ケーブルの内部導体が接続される部分の寸法より大なる寸法を有するものとされるが、特許文献２にあっては、如何なる形態の超音波ホーンを用いるのか、さらには、超音波ホーンをシグナルコンタクト部材の内部導体接続部と同軸ケーブルの内部導体とに対して如何様に配するのか、等々の具体的手法については、何等の開示も示唆もされていない。従って、特許文献２に基づいて、同軸ケーブルの内部導体についての同軸ケーブルコネクタにおけるシグナルコンタクト部材の内部導体接続部との超音波溶接を実現させることはできない。   Moreover, in connecting the internal conductor of a coaxial cable to the internal conductor connection part of the signal contact member in a coaxial cable connector in the above-mentioned Patent Document 2, the internal conductor of the coaxial cable is connected to the signal contact member by ultrasonic welding or electric welding. The statement that welding may be performed on the inner conductor connecting portion of the cable simply means that ultrasonic welding or electric welding can be one of the connection methods of the inner conductor of the coaxial cable with the signal contact member of the coaxial cable connector. This is merely a conceptual description, and Patent Document 2 does not describe any specific configuration or means required for realizing ultrasonic welding or electric welding. For example, in order to realize ultrasonic welding of the inner conductor of the coaxial cable with the inner conductor connecting portion of the signal contact member, at least an ultrasonic vibration that applies ultrasonic vibration to the inner conductor of the coaxial cable, which is usually a stranded wire, is used. A sonic horn is essential, and the ultrasonic horn usually has a size larger than the diameter of the inner conductor of the coaxial cable and the size of the portion where the inner conductor of the coaxial cable is connected in the inner conductor connecting portion of the signal contact member. However, in Patent Document 2, what type of ultrasonic horn is used, and further, how the ultrasonic horn is connected to the inner conductor connecting portion of the signal contact member and the inner conductor of the coaxial cable. There is no disclosure or suggestion about the specific methods such as Therefore, based on patent document 2, ultrasonic welding with the internal conductor connection part of the signal contact member in the coaxial cable connector about the internal conductor of a coaxial cable cannot be implement | achieved.

斯かる点に鑑み、本願の特許請求の範囲に記載された発明は、同軸ケーブルの内部導体が接続される内部導体接続部を有したシグナルコンタクト部材と、同軸ケーブルの外部導体との接続状態におかれるグラウンドコンタクト部材と、コンタクト部材とグラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材とを備えて構成され、全体の低背化が図られたもとにあっても、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の接続を、半田付けによらず、当該内部導体を散けさせない状態のもとでの超音波接合によって、適正, 確実かつ堅固に行うことができることになる同軸ケーブルコネクタ、及び、同軸ケーブルの内部導体が接続される内部導体接続部を有したシグナルコンタクト部材と、同軸ケーブルの外部導体との接続状態におかれるグラウンドコンタクト部材と、コンタクト部材とグラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材とを備えた同軸ケーブルコネクタを同軸ケーブルの一端に装着されたものとするにあたり、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の接続を、半田付けによることなく、当該内部導体を散けさせない状態のもとでの超音波接合により行うことによって、同軸ケーブルの内部導体をシグナルコンタクト部材の内部導体接続部に適正, 確実かつ堅固に接続することができる同軸ケーブル接続方法を提供する。   In view of such a point, the invention described in the claims of the present application is in a connection state between the signal contact member having the inner conductor connecting portion to which the inner conductor of the coaxial cable is connected and the outer conductor of the coaxial cable. The signal contact member has a ground contact member to be placed, and an insulating housing member that supports the contact member and the ground contact member in a mutually insulated state. Coaxial cable that can be properly, reliably and firmly connected to the conductor connection part by ultrasonic bonding under the condition that the inner conductor of the coaxial cable is not scattered without being soldered. A signal contact member having an inner conductor connecting portion to which an inner conductor of a cable connector and a coaxial cable is connected A coaxial cable connector having a ground contact member connected to the outer conductor of the coaxial cable and an insulating housing member supporting the contact member and the ground contact member in a mutually insulated state is attached to one end of the coaxial cable. By connecting the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member by soldering, or by ultrasonic bonding in a state where the inner conductor is not scattered. Provided is a coaxial cable connection method capable of properly, securely and firmly connecting an inner conductor of a coaxial cable to an inner conductor connecting portion of a signal contact member.

本願の特許請求の範囲における請求項１から請求項６までのいずれかに記載された発明に係る同軸ケーブルコネクタ（以下、本願発明に係る同軸ケーブルコネクタという。）は、同軸ケーブルの内部導体との接続がなされる内部導体接続部及びそれから伸びて外部のシグナルコンタクト部に接触接続される接触係合部を有したシグナルコンタクト部材と、外部のグラウンドコンタクト部に嵌合接続される環状嵌合部及びそれから屈曲可能に伸びて同軸ケーブルの外部導体との接触状態におかれるシェル部を有したグラウンドコンタクト部材と、シグナルコンタクト部材とグラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材とを備えて構成され、絶縁ハウジング部材に、シグナルコンタクト部材の内部導体接続部によって形成された第１の底部と同軸ケーブルの内部導体を第１の底部を形成する内部導体接続部に当接させるための第１の開口部とを有して成る第１の凹部、及び、シグナルコンタクト部材の内部導体接続部が配された第２の底部と同軸ケーブルの内部導体の先端部を第２の底部に向けて導入するための第２の開口部とを有し、第１の凹部に連なるものとして形成された第２の凹部が設けられ、第１の凹部が、第１の底部を形成する内部導体接続部に当接した同軸ケーブルの内部導体に超音波振動を伝達して、当該内部導体を内部導体接続部に接合されたものとなす超音波ホーンについての、第１の開口部を通じた第１の凹部内への挿入を許すものとされるとともに、第２の凹部が、超音波ホーンについての、第２の凹部の内壁部に超音波振動を伝達して当該内壁部を溶融させることにより第２の凹部を第２の底部に向けて導入された同軸ケーブルの内部導体の先端部に溶着するものとしての、第２の開口部を通じた第２の凹部内への挿入を許すものとされたことを特徴とする。   A coaxial cable connector according to any one of claims 1 to 6 in the claims of the present application (hereinafter referred to as a coaxial cable connector according to the present invention) is connected to an inner conductor of the coaxial cable. A signal contact member having an inner conductor connecting portion to be connected and a contact engaging portion extending from the inner conductor connecting portion and contacting and connecting to an external signal contact portion; an annular fitting portion to be fitted and connected to an external ground contact portion; Then, a ground contact member having a shell portion that extends flexibly and is in contact with the outer conductor of the coaxial cable, and an insulating housing member that supports the signal contact member and the ground contact member in a mutually insulated state. Consists of the inner conductor connecting part of the signal contact member to the insulating housing member A first recess having a first opening formed to contact the inner conductor connecting portion forming the first bottom portion, and the first conductor formed in the coaxial cable; and A second bottom portion in which the inner conductor connecting portion of the signal contact member is disposed, and a second opening for introducing the distal end portion of the inner conductor of the coaxial cable toward the second bottom portion; A second recess formed as continuous with the recess is provided, and the first recess transmits ultrasonic vibration to the inner conductor of the coaxial cable in contact with the inner conductor connecting portion that forms the first bottom. The ultrasonic horn having the inner conductor joined to the inner conductor connecting portion is allowed to be inserted into the first recess through the first opening, and the second recess is The ultrasonic wave on the inner wall part of the second recess for the ultrasonic horn Through the second opening, the second recess is welded to the tip of the inner conductor of the coaxial cable introduced toward the second bottom by transmitting the movement and melting the inner wall. It is characterized by allowing insertion into the second recess.

また、本願の特許請求の範囲における請求項７から請求項９までのいずれかに記載された発明に係る同軸ケーブル接続方法（以下、本願発明に係る同軸ケーブル接続方法という。）においては、先ず、同軸ケーブルの内部導体との接続がなされる内部導体接続部及びそれから伸びて外部のシグナルコンタクト部に接触接続される接触係合部を有したシグナルコンタクト部材と、外部のグラウンドコンタクト部に嵌合接続される環状嵌合部及びそれから屈曲可能に伸びて同軸ケーブルの外部導体との接触状態におかれるシェル部を有したグラウンドコンタクト部材と、シグナルコンタクト部材とグラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材とを備え、絶縁ハウジング部材に、シグナルコンタクト部材の内部導体接続部によって形成された第１の底部と同軸ケーブルの内部導体を第１の底部を形成する内部導体接続部に当接させるための第１の開口部とを有して成る第１の凹部、及び、シグナルコンタクト部材の内部導体接続部が配された第２の底部と同軸ケーブルの内部導体の先端部を第２の底部に向けて導入するための第２の開口部とを有し、第１の凹部に連なるものとして形成された第２の凹部が設けられて成る同軸ケーブルコネクタを用意し、続いて、同軸ケーブルの内部導体を第１の凹部における第１の開口部を通じて第１の凹部内に配するとともに当該同軸ケーブルの内部導体の先端部を第２の凹部における第２の開口部を通じて第２の凹部の内壁部に当接させるとともに、超音波ホーンを先端部を含んだ同軸ケーブルの内部導体に当接させたもとで、超音波ホーンに、それを通じて同軸ケーブルの内部導体に超音波振動を伝達しつつ、第１の凹部における第１の開口部及び第２の凹部における第２の開口部を通じて、第１の凹部における第１の底部及び第２の凹部における第２の底部に向けて変位する状態をとらせ、同軸ケーブルの内部導体の先端部を介して第２の凹部の内壁部を溶融させた後、超音波ホーンから第２の凹部の内壁部に直接に超音波振動を伝達して当該内壁部を更に溶融させて、同軸ケーブルの内部導体の先端部を第２の凹部における第２の底部に向けて変位させつつ第２の凹部を同軸ケーブルの内部導体の先端部に溶着するとともに、同軸ケーブルの内部導体を第１の凹部における第１の底部に向けて変位させて当該第１の底部を形成する内部導体接続部に当接させた後当該内部導体接続部に超音波接合により接続し、さらに、同軸ケーブルの外部導体をグラウンドコンタクト部材のシェル部との接触接続状態におく。   In the coaxial cable connection method according to any of claims 7 to 9 in the claims of the present application (hereinafter referred to as the coaxial cable connection method according to the present invention), first, A signal contact member having an inner conductor connecting portion that is connected to the inner conductor of the coaxial cable and a contact engaging portion that extends from the inner conductor connecting contact to the outer signal contact portion, and a fitting connection to the outer ground contact portion A ground contact member having an annular fitting portion and a shell portion that extends from the annular fitting portion and is in contact with the outer conductor of the coaxial cable, and supports the signal contact member and the ground contact member in a mutually insulated state. An insulating housing member, and the inside of the signal contact member on the insulating housing member. A first recess having a first bottom formed by the body connecting portion and a first opening for bringing the inner conductor of the coaxial cable into contact with the inner conductor connecting portion forming the first bottom And a second bottom portion on which the inner conductor connecting portion of the signal contact member is disposed, and a second opening for introducing the distal end portion of the inner conductor of the coaxial cable toward the second bottom portion, A coaxial cable connector having a second recess formed to be continuous with the first recess is prepared, and then the inner conductor of the coaxial cable is connected to the first through the first opening in the first recess. The coaxial conductor is arranged in the recess and the tip of the inner conductor of the coaxial cable is brought into contact with the inner wall of the second recess through the second opening in the second recess, and the ultrasonic horn includes the tip. Against the inner conductor of the cable Then, the ultrasonic horn is transmitted to the inner conductor of the coaxial cable through the ultrasonic horn, and the first opening in the first recess and the second opening in the second recess are passed through the first opening. After being displaced toward the first bottom portion of the concave portion and the second bottom portion of the second concave portion, and melting the inner wall portion of the second concave portion through the distal end portion of the inner conductor of the coaxial cable. The ultrasonic vibration is directly transmitted from the ultrasonic horn to the inner wall portion of the second recess to further melt the inner wall portion, and the front end portion of the inner conductor of the coaxial cable is connected to the second bottom portion of the second recess. The second concave portion is welded to the distal end portion of the inner conductor of the coaxial cable while being displaced toward the outer side, and the inner conductor of the coaxial cable is displaced toward the first bottom portion of the first concave portion to thereby displace the first bottom portion. Inner conductor connection to be formed Then, the inner conductor connection portion is connected by ultrasonic bonding, and the outer conductor of the coaxial cable is brought into contact connection with the shell portion of the ground contact member.

上述の本願発明に係る同軸ケーブルコネクタは、実用に供されるにあたっては、同軸ケーブルの一端に装着される。その際には、例えば、同軸ケーブルの内部導体が、第１の凹部における第１の開口部を通じて第１の凹部内に配されるとともに当該同軸ケーブルの内部導体の先端部が第２の凹部における第２の開口部を通じて第２の凹部の内壁部に当接せしめられ、超音波ホーンが先端部を含んだ同軸ケーブルの内部導体に当接せしめられたもとで、同軸ケーブルの内部導体に当接せしめられた超音波ホーンが、それを通じて同軸ケーブルの内部導体に超音波振動を伝達しつつ、第１の凹部における第１の開口部及び第２の凹部における第２の開口部を通じて、第１の凹部における第１の底部及び第２の凹部における第２の底部に向けて変位する状態におかれる。それにより、超音波振動が伝達された同軸ケーブルの内部導体の先端部が第２の凹部の内壁部を溶融させた後、超音波ホーンが第２の凹部の内壁部に直接に超音波振動を伝達して当該内壁部を更に溶融させる。それに伴って、同軸ケーブルの内部導体の先端部が、第２の凹部における第２の底部に向けて変位せしめられていき、第２の凹部が同軸ケーブルの内部導体の先端部に溶着されるとともに、同軸ケーブルの内部導体が、第１の凹部における第１の底部に向けて変位せしめられて当該第１の底部を形成する内部導体接続部に当接した後当該内部導体接続部に超音波接合により接続される。さらに、同軸ケーブルの外部導体がグラウンドコンタクト部材のシェル部との接触接続状態におかれる。   The coaxial cable connector according to the present invention described above is attached to one end of the coaxial cable when put into practical use. In that case, for example, the inner conductor of the coaxial cable is arranged in the first recess through the first opening in the first recess, and the tip of the inner conductor of the coaxial cable is in the second recess. The ultrasonic horn is brought into contact with the inner conductor of the coaxial cable including the distal end portion, and is brought into contact with the inner conductor of the coaxial cable through the second opening. The ultrasonic horn thus transmitted transmits ultrasonic vibrations to the inner conductor of the coaxial cable, and the first concave portion through the first opening in the first concave portion and the second opening in the second concave portion. The first bottom portion and the second bottom portion of the second recess are displaced toward the second bottom portion. Thereby, after the tip of the inner conductor of the coaxial cable to which the ultrasonic vibration is transmitted melts the inner wall portion of the second recess, the ultrasonic horn directly applies the ultrasonic vibration to the inner wall portion of the second recess. The inner wall is further melted by transmission. Accordingly, the tip of the inner conductor of the coaxial cable is displaced toward the second bottom of the second recess, and the second recess is welded to the tip of the inner conductor of the coaxial cable. Then, after the inner conductor of the coaxial cable is displaced toward the first bottom portion of the first recess and comes into contact with the inner conductor connecting portion forming the first bottom portion, ultrasonic bonding to the inner conductor connecting portion is performed. Connected by Further, the outer conductor of the coaxial cable is brought into contact connection with the shell portion of the ground contact member.

上述の本願発明に係る同軸ケーブルコネクタの一例にあっては、絶縁ハウジング部材が、第１の凹部及び第２の凹部に加えて、第１の底部を形成する内部導体接続部によって形成された第３の底部と当該第３の底部を形成する内部導体接続部から第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部が設けられたものとされ、第３の凹部が、第３の底部を形成する内部導体接続部に当接する状態をとるアンビルの第３の開口部を通じた第３の凹部内への挿入を許すものとされる。   In the example of the coaxial cable connector according to the present invention described above, the insulating housing member is formed by the internal conductor connecting portion that forms the first bottom portion in addition to the first concave portion and the second concave portion. And a third recess having a third opening that opens in a direction opposite to the direction toward the first opening from the inner conductor connecting portion that forms the third bottom. And the third recess is allowed to be inserted into the third recess through the third opening of the anvil that is in contact with the inner conductor connecting portion forming the third bottom. The

また、上述の本願発明に係る同軸ケーブル接続方法においては、シグナルコンタクト部材とグラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材が、シグナルコンタクト部材の内部導体接続部によって形成された第１の底部と同軸ケーブルの内部導体を第１の底部を形成する内部導体接続部に当接させるための第１の開口部とを有して成る第１の凹部、及び、シグナルコンタクト部材の内部導体接続部が配された第２の底部と同軸ケーブルの内部導体の先端部を第２の底部に向けて導入するための第２の開口部とを有し、第１の凹部に連なるものとして形成された第２の凹部が設けられて成るものとされた同軸ケーブルコネクタに対して、同軸ケーブルの内部導体を、第１の凹部における第１の開口部を通じて第１の凹部内に配するとともに、当該同軸ケーブルの内部導体の先端部を、第２の凹部における第２の開口部を通じて第２の凹部の内壁部に当接させ、さらに、超音波ホーンを、第２の凹部の内壁部に当接した先端部を含んだ同軸ケーブルの内部導体に当接させる。そして、斯かるもとで、超音波ホーンに、それを通じて同軸ケーブルの内部導体に超音波振動を伝達しつつ、第１の凹部における第１の開口部及び第２の凹部における第２の開口部を通じて、第１の凹部における第１の底部及び第２の凹部における第２の底部に向けて変位する状態をとらせる。それにより、超音波振動が伝達された同軸ケーブルの内部導体の先端部を介して第２の凹部の内壁部を溶融させた後、超音波ホーンから第２の凹部の内壁部に直接に超音波振動を伝達して当該内壁部を更に溶融させ、同軸ケーブルの内部導体の先端部を第２の凹部における第２の底部に向けて変位させつつ第２の凹部を同軸ケーブルの内部導体の先端部に溶着するとともに、同軸ケーブルの内部導体を第１の凹部における第１の底部に向けて変位させて当該第１の底部を形成する内部導体接続部に当接させた後当該内部導体接続部に超音波接合により接続する。それに加えて、同軸ケーブルの外部導体をグラウンドコンタクト部材のシェル部との接触接続状態におく。   In the coaxial cable connection method according to the present invention described above, the insulating housing member that supports the signal contact member and the ground contact member in a mutually insulated state is formed by the inner conductor connecting portion of the signal contact member. A first recess having a bottom and a first opening for abutting the inner conductor of the coaxial cable with the inner conductor connecting portion forming the first bottom, and the inner conductor connection of the signal contact member And a second opening for introducing the tip of the inner conductor of the coaxial cable toward the second bottom, and is formed to be continuous with the first recess. For the coaxial cable connector provided with the second recess, the inner conductor of the coaxial cable is passed through the first opening in the first recess. The tip of the inner conductor of the coaxial cable is brought into contact with the inner wall of the second recess through the second opening in the second recess, and the ultrasonic horn is 2 is brought into contact with the inner conductor of the coaxial cable including the tip portion in contact with the inner wall portion of the recess. In this way, the first opening in the first recess and the second opening in the second recess are transmitted to the ultrasonic horn through the ultrasonic conductor to the inner conductor of the coaxial cable. Through the first bottom portion of the first recess and the second bottom portion of the second recess. Thereby, after melting the inner wall portion of the second recess through the tip of the inner conductor of the coaxial cable to which the ultrasonic vibration is transmitted, the ultrasonic wave is directly applied from the ultrasonic horn to the inner wall portion of the second recess. The inner wall portion is further melted by transmitting vibrations, and the tip of the inner conductor of the coaxial cable is displaced toward the second bottom of the second recess, while the second recess is moved to the tip of the inner conductor of the coaxial cable. The inner conductor of the coaxial cable is displaced toward the first bottom portion of the first concave portion and brought into contact with the inner conductor connecting portion forming the first bottom portion, and then the inner conductor connecting portion is contacted with the inner conductor connecting portion. Connect by ultrasonic bonding. In addition, the outer conductor of the coaxial cable is placed in contact with the shell portion of the ground contact member.

上述の本願発明に係る同軸ケーブル接続方法の一例にあっては、絶縁ハウジング部材が、第１の凹部及び第２の凹部に加えて、第１の底部を形成する内部導体接続部によって形成された第３の底部と当該第３の底部を形成する内部導体接続部から第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部が設けられたもとで、アンビルを第３の開口部を通じて第３の凹部内に挿入して第３の底部を形成する内部導体接続部に当接させる。   In the example of the coaxial cable connection method according to the present invention described above, the insulating housing member is formed by the internal conductor connection portion that forms the first bottom portion in addition to the first recess portion and the second recess portion. A third recess having a third bottom and a third opening that opens in a direction opposite to the direction toward the first opening from the inner conductor connecting portion forming the third bottom is provided. Then, the anvil is inserted into the third recess through the third opening and brought into contact with the inner conductor connecting portion forming the third bottom.

本願発明に係る同軸ケーブルコネクタあるいは本願発明に係る同軸ケーブル接続方法によれば、同軸ケーブルコネクタが同軸ケーブルの一端に装着されるにあたり、同軸ケーブルの内部導体が、第１の凹部の第１の開口部を通じて第１の凹部内に配されるとともに当該同軸ケーブルの内部導体の先端部が第２の凹部の第２の開口部を通じて第２の凹部の内壁部に当接せしめられ、超音波ホーンが先端部を含んだ同軸ケーブルの内部導体に当接せしめられる。そして、斯かるもとで、同軸ケーブルの内部導体に当接せしめられた超音波ホーンが、それを通じて同軸ケーブルの内部導体に超音波振動を伝達しつつ、第１の凹部の第１の開口部及び第２の凹部の第２の開口部を通じて、第１の凹部の第１の底部及び第２の凹部の第２の底部に向けて変位する状態におかれ、それにより、超音波振動が伝達された同軸ケーブルの内部導体の先端部及び超音波ホーンが第２の凹部の内壁部を溶融させ、同軸ケーブルの内部導体の先端部が第２の凹部の第２の底部に向けて変位せしめられていき、第２の凹部が同軸ケーブルの内部導体の先端部に溶着されるとともに、同軸ケーブルの内部導体が、第１の凹部の第１の底部に向けて変位せしめられて当該第１の底部を形成する内部導体接続部に超音波接合により接続される。   According to the coaxial cable connector according to the present invention or the coaxial cable connection method according to the present invention, when the coaxial cable connector is attached to one end of the coaxial cable, the inner conductor of the coaxial cable has the first opening of the first recess. And the tip of the inner conductor of the coaxial cable is brought into contact with the inner wall of the second recess through the second opening of the second recess, and the ultrasonic horn is It is brought into contact with the inner conductor of the coaxial cable including the tip. Under such circumstances, the ultrasonic horn brought into contact with the inner conductor of the coaxial cable transmits the ultrasonic vibration to the inner conductor of the coaxial cable through the first, and the first opening of the first concave portion. And the second opening of the second recess is displaced toward the first bottom of the first recess and the second bottom of the second recess, whereby ultrasonic vibrations are transmitted. The tip of the inner conductor of the coaxial cable and the ultrasonic horn melt the inner wall of the second recess, and the tip of the inner conductor of the coaxial cable is displaced toward the second bottom of the second recess. The second concave portion is welded to the tip of the inner conductor of the coaxial cable, and the inner conductor of the coaxial cable is displaced toward the first bottom portion of the first concave portion, thereby the first bottom portion. By ultrasonic bonding to the inner conductor connection It is continued.

その際、同軸ケーブルコネクタの絶縁ハウジング部材において、第１の凹部が超音波ホーンについての第１の開口部を通じた第１の凹部内への挿入を許すものとされ、また、第２の凹部が超音波ホーンについての第２の開口部を通じた第２の凹部内への挿入を許すものとされていることにより、同軸ケーブルコネクタ全体の低背化が図られたもとにあっても、第２の凹部の内壁部を超音波溶融させることにより同軸ケーブルの内部導体の先端部をそれに対して第２の凹部が溶着されたものとすることができるとともに、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の接続を超音波接合により行うことができ、その結果、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の接続を、半田付けによらず、従って、半田付け接続に伴うことになる不都合を回避できるもとで、同軸ケーブルの内部導体を散けさせない状態をもって、超音波接合により適正, 確実かつ堅固に行うことができることになる。   At that time, in the insulating housing member of the coaxial cable connector, the first recess is allowed to be inserted into the first recess through the first opening of the ultrasonic horn, and the second recess is The ultrasonic horn is allowed to be inserted into the second recess through the second opening, so that even if the overall height of the coaxial cable connector is reduced, the second The tip of the inner conductor of the coaxial cable can be welded to the second concave portion by ultrasonically melting the inner wall of the recess, and the coaxial cable is connected to the inner conductor connecting portion of the signal contact member. The inner conductor of the coaxial cable can be connected by ultrasonic bonding. As a result, the connection of the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member is soldered. Therefore, it is possible to perform properly, surely and firmly by ultrasonic bonding in a state where the inner conductor of the coaxial cable is not scattered while avoiding the disadvantages associated with the soldering connection. Become.

また、本願発明に係る同軸ケーブルコネクタの一例あるいは本願発明に係る同軸ケーブル接続方法の一例によれば、同軸ケーブルコネクタの絶縁ハウジング部材に、第１の凹部及び第２の凹部に加えて、第１の底部を形成するシグナルコンタクト部材の内部導体接続部によって形成された第３の底部と当該第３の底部を形成する内部導体接続部から第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部が設けられたもとで、第３の開口部を通じて第３の凹部内に挿入されたアンビルが、第３の底部を形成するシグナルコンタクト部材の内部導体接続部に当接する状態をとるものとされる。それにより、シグナルコンタクト部材の内部導体接続部とそれに当接した同軸ケーブルの内部導体とが、第３の凹部内に挿入されたアンビルと第１の凹部内に挿入された超音波ホーンとにより直接的に挟まれたもとで、超音波ホーンを通じて同軸ケーブルの内部導体に超音波振動が伝達されて、同軸ケーブルの内部導体がシグナルコンタクト部材の内部導体接続部に超音波接合により接続される。その結果、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の超音波接合による接続が、より一層確実かつ安定に行われることになる。   Further, according to an example of the coaxial cable connector according to the present invention or an example of the coaxial cable connection method according to the present invention, in addition to the first recess and the second recess, the insulating housing member of the coaxial cable connector includes the first The third bottom portion formed by the inner conductor connecting portion of the signal contact member forming the bottom portion of the first contact portion and the direction opposite to the direction from the inner conductor connecting portion forming the third bottom portion toward the first opening portion An anvil inserted into the third recess through the third opening with the third recess having the third opening is formed on the signal contact member forming the third bottom. It is assumed to be in contact with the inner conductor connecting portion. As a result, the inner conductor connecting portion of the signal contact member and the inner conductor of the coaxial cable in contact therewith are directly connected by the anvil inserted into the third recess and the ultrasonic horn inserted into the first recess. Then, the ultrasonic vibration is transmitted to the inner conductor of the coaxial cable through the ultrasonic horn, and the inner conductor of the coaxial cable is connected to the inner conductor connecting portion of the signal contact member by ultrasonic bonding. As a result, the connection by the ultrasonic bonding of the inner conductor of the coaxial cable to the inner conductor connecting portion of the signal contact member is further reliably and stably performed.

本願発明に係る同軸ケーブルコネクタの一例を示す斜視図である。It is a perspective view which shows an example of the coaxial cable connector which concerns on this invention. 本願発明に係る同軸ケーブルコネクタの一例を示す平面図である。It is a top view which shows an example of the coaxial cable connector which concerns on this invention. 本願発明に係る同軸ケーブルコネクタの一例に備えられる絶縁ハウジング部材の一例をそれにより支持されたシグナルコンタクト部材と共に示す斜視図である。It is a perspective view which shows an example of the insulation housing member with which an example of the coaxial cable connector which concerns on this invention is equipped with the signal contact member supported by it. 本願発明に係る同軸ケーブルコネクタの一例に備えられる絶縁ハウジング部材の一例をそれにより支持されたシグナルコンタクト部材と共に示す斜視図である。It is a perspective view which shows an example of the insulation housing member with which an example of the coaxial cable connector which concerns on this invention is equipped with the signal contact member supported by it. 図２における V−V 線断面を示す断面図である。It is sectional drawing which shows the VV line cross section in FIG. 図２におけるVI−VI線断面を部分的に拡大して示す部分断面図である。FIG. 3 is a partial cross-sectional view showing a partially enlarged VI-VI line cross-section in FIG. 2. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着される過程を示す斜視図である。It is a perspective view which shows the process in which an example of the coaxial cable connector which concerns on this invention is mounted | worn with the end of a coaxial cable. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着される過程を示す平面図である。It is a top view which shows the process in which an example of the coaxial cable connector which concerns on this invention is mounted | worn with the end of a coaxial cable. 図８におけるIX−IX線断面を示す断面図である。It is sectional drawing which shows the IX-IX line cross section in FIG. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着される過程を示す断面図である。It is sectional drawing which shows the process in which an example of the coaxial cable connector which concerns on this invention is mounted | worn with the end of a coaxial cable. 図１０におけるXI−XI線断面を部分的に拡大して示す部分断面図であ る。It is a fragmentary sectional view which expands and partially shows the XI-XI line cross section in FIG. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着される過程を示す断面図である。It is sectional drawing which shows the process in which an example of the coaxial cable connector which concerns on this invention is mounted | worn with the end of a coaxial cable. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着される過程を示す断面図である。It is sectional drawing which shows the process in which an example of the coaxial cable connector which concerns on this invention is mounted | worn with the end of a coaxial cable. 図１３における XIV−XIV 線断面を部分的に拡大して示す断面図である。It is sectional drawing which expands and shows the XIV-XIV line cross section in FIG. 13 partially. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着された状態を示す断面図である。It is sectional drawing which shows the state with which the example of the coaxial cable connector which concerns on this invention was mounted | worn with the end of the coaxial cable. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着された状態を示す斜視図である。It is a perspective view which shows the state with which the example of the coaxial cable connector which concerns on this invention was mounted | worn with the end of the coaxial cable. 本願発明に係る同軸ケーブルコネクタの一例が同軸ケーブルの一端に装着された状態を示す斜視図である。It is a perspective view which shows the state with which the example of the coaxial cable connector which concerns on this invention was mounted | worn with the end of the coaxial cable. 本願発明に係る同軸ケーブルコネクタの一例が嵌合連結される相手方コネクタ装置の一例をそれが取り付けられた回路基板と共に示す斜視図である。It is a perspective view which shows an example of the other party connector apparatus by which an example of the coaxial cable connector which concerns on this invention is fitted and connected with the circuit board to which it was attached. 本願発明に係る同軸コネクタ装置の一例が相手方コネクタの一例に嵌合連結された状態を示す斜視図である。It is a perspective view which shows the state by which the example of the coaxial connector apparatus which concerns on this invention was fitted and connected to an example of the other party connector.

本願発明を実施するための形態は、以下に述べられる本願発明についての実施例をもって説明される。   The form for implementing this invention is demonstrated with the Example about this invention described below.

以下に、本願発明に係る同軸ケーブルコネクタの一例、及び、それが用いられて実施される本願発明に係る同軸ケーブル接続方法の一例が、図１から図１９までが参照されて説明される。   Hereinafter, an example of a coaxial cable connector according to the present invention and an example of a coaxial cable connection method according to the present invention implemented using the connector will be described with reference to FIGS.

図１（斜視図）及び図２（平面図）は、本願発明に係る同軸ケーブルコネクタの一例を成す同軸ケーブルコネクタ１０を示す。図１及び図２に示される同軸ケーブルコネクタ１０は、実際の使用にあたっては、内部導体と外部導体とを有した同軸ケーブル（一例が同軸ケーブル３０として後述される図７他に示されている。）の一端に装着されて、回路基板における部品搭載面に取り付けられた相手方コネクタ（一例が相手方コネクタ５０として後述される図１８に示されている。）に連結されるものとされている。   FIG. 1 (perspective view) and FIG. 2 (plan view) show a coaxial cable connector 10 that is an example of a coaxial cable connector according to the present invention. In actual use, the coaxial cable connector 10 shown in FIGS. 1 and 2 is a coaxial cable having an inner conductor and an outer conductor (an example is shown in FIG. 7 and others described later as a coaxial cable 30). ) And is connected to a counterpart connector (an example is shown in FIG. 18 described later as the counterpart connector 50) attached to the component mounting surface of the circuit board.

同軸ケーブルコネクタ１０は、主要構成要素として、導電性材料により形成されたシグナルコンタクト部材１１と、導電性材料により形成されたグラウンドコンタクト部材１２と、熱可塑性合成樹脂材等の絶縁材料により形成されて、シグナルコンタクト部材１１とグラウンドコンタクト部材１２とを相互絶縁状態をもって支持する絶縁ハウジング部材１３とを備えて構成されている。シグナルコンタクト部材１１は、内部導体と外部導体とを有した同軸ケーブルの一端において露出せしめられた内部導体に電気的に接続され、グラウンドコンタクト部材１２は、内部導体と外部導体とを有した同軸ケーブルの一端において露出せしめられた外部導体に電気的に接続される。   The coaxial cable connector 10 includes, as main components, a signal contact member 11 formed of a conductive material, a ground contact member 12 formed of a conductive material, and an insulating material such as a thermoplastic synthetic resin material. The signal contact member 11 and the ground contact member 12 are provided with an insulating housing member 13 that supports the signal contact member 11 and the ground contact member 12 in a mutually insulated state. The signal contact member 11 is electrically connected to the inner conductor exposed at one end of the coaxial cable having an inner conductor and an outer conductor, and the ground contact member 12 is a coaxial cable having the inner conductor and the outer conductor. Is electrically connected to the external conductor exposed at one end of the wire.

シグナルコンタクト部材１１は、同軸ケーブルの内部導体との接続がなされる内部導体接続部１４及びそれから伸びて外部のシグナルコンタクト部に接触接続される接触係合部１５（後述される図４に示されている。）を有している。内部導体接続部１４は、後述される図５に示されるように、例えば、インサート成形により絶縁ハウジング部材１３に埋め込まれ、その表面の一部を絶縁ハウジング部材１３の外部に臨ませた平板状片を成すものとされている。また、接触係合部１５は、図４及び図５に示されるように、内部導体接続部１４の一端部分から絶縁ハウジング部材１３内を相互対向して伸び、各々の先端部を絶縁ハウジング部材１３の外部に臨ませる一対の弾性板状片を成すものとされている。   The signal contact member 11 includes an inner conductor connecting portion 14 that is connected to the inner conductor of the coaxial cable, and a contact engaging portion 15 that extends from the inner conductor connecting portion 14 and is connected to an external signal contact portion (shown in FIG. 4 described later). Have). As shown in FIG. 5 to be described later, the inner conductor connecting portion 14 is embedded in the insulating housing member 13 by, for example, insert molding, and a flat plate piece with a part of the surface facing the outside of the insulating housing member 13. It is supposed to constitute. As shown in FIGS. 4 and 5, the contact engaging portion 15 extends from the one end portion of the inner conductor connecting portion 14 so as to face each other in the insulating housing member 13, and the respective distal end portions thereof extend to the insulating housing member 13. A pair of elastic plate-like pieces that are exposed to the outside.

グラウンドコンタクト部材１２は、外部のグラウンドコンタクト部に嵌合接続される環状嵌合部１６，環状嵌合部１６から相互対向して伸びる一対の平板状部１７、及び、環状嵌合部１６から屈曲可能に伸びて同軸ケーブルの外部導体との接触状態におかれるシェル部１８を有している。環状嵌合部１６及び一対の平板状部１７は、絶縁ハウジング部材１３の大部分を収容するものとされており、シェル部１８は、環状嵌合部１６及び一対の平板状部１７に向けて屈曲せしめられるとき、環状嵌合部１６及び一対の平板状部１７と大部分が環状嵌合部１６及び一対の平板状部１７に収容された絶縁ハウジング部材１３とを覆う状態をとるものとされている。   The ground contact member 12 is bent from the annular fitting portion 16 and the annular fitting portion 16 that are fitted and connected to the external ground contact portion, the pair of flat plate portions 17 that extend opposite to each other from the annular fitting portion 16, and the annular fitting portion 16. It has a shell portion 18 that extends to be in contact with the outer conductor of the coaxial cable. The annular fitting portion 16 and the pair of flat plate-like portions 17 are configured to accommodate most of the insulating housing member 13, and the shell portion 18 faces the annular fitting portion 16 and the pair of flat plate-like portions 17. When bent, the annular fitting portion 16 and the pair of flat plate-like portions 17 and most of the insulating housing member 13 accommodated in the annular fitting portion 16 and the pair of flat plate-like portions 17 are covered. ing.

そして、グラウンドコンタクト部材１２の環状嵌合部１６には、絶縁ハウジング部材１３に設けられた複数の突出係合部分１３ａが夫々挿入されて係合する複数の切欠き１６ａが設けられている。絶縁ハウジング部材１３に設けられた複数の突出係合部分１３ａが、グラウンドコンタクト部材１２の環状嵌合部１６に設けられた複数の切欠き１６ａに夫々挿入されて係合することにより、グラウンドコンタクト部材１２が絶縁ハウジング部材１３によって支持されたものとされる。その結果、絶縁ハウジング部材１３は、その内部に配されたシグナルコンタクト部材１１と大部分がその外部に配されたグラウンドコンタクト部材１２とを相互絶縁状態をもって支持していることになる。   The annular fitting portion 16 of the ground contact member 12 is provided with a plurality of notches 16a into which a plurality of protruding engaging portions 13a provided in the insulating housing member 13 are inserted and engaged. The plurality of projecting engagement portions 13a provided in the insulating housing member 13 are inserted into and engaged with the plurality of notches 16a provided in the annular fitting portions 16 of the ground contact member 12, respectively. 12 is supported by the insulating housing member 13. As a result, the insulating housing member 13 supports the signal contact member 11 disposed therein and the ground contact member 12 disposed mostly outside thereof in a mutually insulated state.

グラウンドコンタクト部材１２のシェル部１８は、環状嵌合部１６及び一対の平板状部１７に向けて屈曲せしめられたとき、内部導体がシグナルコンタクト部材１１の内部導体接続部１４に接続された同軸ケーブルの外側導体との接続がなされる。そして、シェル部１８には、シェル部１８が環状嵌合部１６及び一対の平板状部１７に向けて屈曲せしめられたもとで、屈曲せしめられて、一対の平板状部１７に係合することになる一対の第１の屈曲係合片１８ａ，屈曲せしめられて、内部導体がシグナルコンタクト部材１１の内部導体接続部１４に接続された同軸ケーブルの外部導体に係合することになる一対の第２の屈曲係合片１８ｂ、及び、屈曲せしめられて、内部導体がシグナルコンタクト部材１１の内部導体接続部１４に接続された同軸ケーブルの表皮絶縁体に係合することになる一対の第３の屈曲係合片１８ｃが設けられている。一対の第１の屈曲係合片１８ａ，一対の第２の屈曲係合片１８ｂ及び一対の第３の屈曲係合片１８ｃの夫々は、屈曲せしめられるにあたっては、図１に示されるような相互対向する状態から、近付き合う方向に屈曲せしめられた状態に移行する。   A coaxial cable in which the inner conductor is connected to the inner conductor connecting portion 14 of the signal contact member 11 when the shell portion 18 of the ground contact member 12 is bent toward the annular fitting portion 16 and the pair of flat plate-like portions 17. The connection with the outer conductor of is made. The shell portion 18 is bent toward the annular fitting portion 16 and the pair of flat plate portions 17, and is bent and engaged with the pair of flat plate portions 17. The pair of first bending engagement pieces 18a, which are bent and the inner conductor engages with the outer conductor of the coaxial cable connected to the inner conductor connecting portion 14 of the signal contact member 11. And a pair of third bends that are bent and engage the inner conductor of the coaxial cable connected to the inner conductor connecting portion 14 of the signal contact member 11. An engagement piece 18c is provided. Each of the pair of first bending engagement pieces 18a, the pair of second bending engagement pieces 18b, and the pair of third bending engagement pieces 18c is bent as shown in FIG. It shifts from the facing state to the bent state in the approaching direction.

絶縁ハウジング部材１３は、絶縁ハウジング部材１３の一例をそれにより支持されたシグナルコンタクト部材１１と共に示す図３及び図４に示されるように、複数の突出係合部分１３ａに加えて、その内部をシグナルコンタクト部材１１における一対の接触係合部１５が貫通するものとされた筒状部２０と、筒状部２０から伸びて同軸ケーブルの内部導体と係合するものとされるケーブル係合部２１とを有している。絶縁ハウジング部材１３がグラウンドコンタクト部材１２を支持したもとにあっては、筒状部２０が、グラウンドコンタクト部材１２における環状嵌合部１６内の内側に配されるものとされ、ケーブル係合部２１が、グラウンドコンタクト部材１２における一対の平板状部１７によって挟まれるものとされる。   As shown in FIG. 3 and FIG. 4 that shows an example of the insulating housing member 13 together with the signal contact member 11 supported by the insulating housing member 13, the inside of the insulating housing member 13 is signaled inside the plurality of protruding engaging portions 13 a. A cylindrical portion 20 through which the pair of contact engaging portions 15 in the contact member 11 pass, and a cable engaging portion 21 that extends from the cylindrical portion 20 and engages with the inner conductor of the coaxial cable. have. When the insulating housing member 13 supports the ground contact member 12, the tubular portion 20 is disposed inside the annular fitting portion 16 of the ground contact member 12, and the cable engaging portion. 21 is sandwiched between the pair of flat plate-like portions 17 in the ground contact member 12.

絶縁ハウジング部材１３におけるケーブル係合部２１には、シグナルコンタクト部材１１の内部導体接続部１４によって形成された第１の底部と同軸ケーブルの内部導体を第１の底部を形成する内部導体接続部１４に当接させるための第１の底部に対向する第１の開口部とを有して成る第１の凹部２５と、シグナルコンタクト部材１１の内部導体接続部１４が配された第２の底部と同軸ケーブルの内部導体の先端部を第２の底部に向けて導入するための第２の底部に対向する第２の開口部とを有し、第１の凹部２５に連なるものとして形成された第２の凹部２６と、第１の底部を形成する内部導体接続部１４によって形成された第３の底部と当該第３の底部を形成する内部導体接続部１４から第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部２７とが設けられている。第１の凹部２５と第３の凹部２７とは、シグナルコンタクト部材１１の内部導体接続部１４を挟んで互いに逆方向に開口する第１の開口部と第３の開口部とを夫々有していることになる。   The cable engaging portion 21 of the insulating housing member 13 includes a first bottom formed by the inner conductor connecting portion 14 of the signal contact member 11 and an inner conductor connecting portion 14 that forms the first bottom of the inner conductor of the coaxial cable. A first recess 25 having a first opening facing the first bottom for contacting the first bottom, and a second bottom on which the inner conductor connecting portion 14 of the signal contact member 11 is disposed. A second opening facing the second bottom for introducing the front end of the inner conductor of the coaxial cable toward the second bottom, and is formed to be continuous with the first recess 25. Two recesses 26, a third bottom formed by the inner conductor connecting portion 14 forming the first bottom, and a direction from the inner conductor connecting portion 14 forming the third bottom toward the first opening. Is opening in the opposite direction A third recess 27 comprising a third opening is provided that. The first recess 25 and the third recess 27 respectively have a first opening and a third opening that open in opposite directions with respect to the inner conductor connecting portion 14 of the signal contact member 11. Will be.

さらに、絶縁ハウジング部材１３におけるケーブル係合部２１には、第１の凹部２５を挟んで第２の凹部２７に対向する位置に形成された案内部２８が設けられている。案内部２８は、一対の相互対向傾斜壁面２８ａを有していて、同軸ケーブルの内部導体が第１の開口部を通じて第１の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４に当接せしめられるとき、同軸ケーブルの内部導体を一対の相互対向傾斜壁面２８ａによって第１の底部へと案内する役割を果たす。   Further, the cable engaging portion 21 in the insulating housing member 13 is provided with a guide portion 28 formed at a position facing the second recessed portion 27 with the first recessed portion 25 interposed therebetween. The guide portion 28 has a pair of mutually opposed inclined wall surfaces 28a, and the inner conductor of the coaxial cable contacts the inner conductor connecting portion 14 of the signal contact member 11 forming the first bottom through the first opening. When squeezed, it serves to guide the inner conductor of the coaxial cable to the first bottom by a pair of mutually opposed inclined wall surfaces 28a.

上述の第１の凹部２５と第２の凹部２６とについて見ると、第１の開口部を含めた第１の凹部２５の全体が、第２の開口部を含めた第２の凹部２６の全体より大規模に形成されている。   Looking at the first recess 25 and the second recess 26 described above, the entire first recess 25 including the first opening is the entire second recess 26 including the second opening. It is formed on a larger scale.

このようなもとで、第１の凹部２５は、シグナルコンタクト部材１１の内部導体接続部１４によって形成された第１の底部から第１の開口部に向かって漸次相互離隔する一対の相互対向傾斜壁面２５ａを有している。そして、第１の凹部２５は、その第１の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４に当接した同軸ケーブルの内部導体に超音波振動を伝達して、当該内部導体をシグナルコンタクト部材１１の内部導体接続部１４に接合されたものとなす超音波ホーンについての、第１の開口部を通じた第１の凹部２５内への挿入を、必要に応じて相互対向傾斜壁面２５ａによる案内が行われるもとで、許すものとされている。   Under such circumstances, the first recess 25 is a pair of mutually-inclined slopes which are gradually separated from the first bottom formed by the inner conductor connecting portion 14 of the signal contact member 11 toward the first opening. It has a wall surface 25a. And the 1st recessed part 25 transmits an ultrasonic vibration to the internal conductor of the coaxial cable which contact | abutted to the internal conductor connection part 14 of the signal contact member 11 which forms the 1st bottom part, and the said internal conductor is signaled. The insertion of the ultrasonic horn to be joined to the inner conductor connecting portion 14 of the contact member 11 into the first recess 25 through the first opening is performed by the mutually opposing inclined wall surfaces 25a as necessary. It is supposed to forgive under the guidance.

また、第２の凹部２６は、第２の開口部から第２の底部に向かって漸次相互近接する一対の相互対向傾斜壁面２６ａが形成されるともに、一対の相互対向傾斜壁面２６ａと第２の底部との間にスリット部２６ｂを形成する内壁部を有している。そして、第２の凹部２６は、同軸ケーブルの内部導体に超音波振動を伝達する超音波ホーンについての、第２の凹部２６の内壁部に超音波振動を伝達して当該内壁部を溶融させることにより第２の凹部２６を第２の底部に向けて導入された同軸ケーブルの内部導体の先端部に溶着するものとしての、第２の開口部を通じた第２の凹部２６内への挿入を許すものとされている。   The second recess 26 is formed with a pair of mutually-inclined inclined wall surfaces 26a that gradually approach each other from the second opening toward the second bottom, and the pair of mutually-inclined inclined wall surfaces 26a and the second It has an inner wall part which forms the slit part 26b between bottoms. And the 2nd recessed part 26 transmits an ultrasonic vibration to the inner wall part of the 2nd recessed part 26 about the ultrasonic horn which transmits an ultrasonic vibration to the inner conductor of a coaxial cable, and melts the said inner wall part Allows the second recess 26 to be inserted into the second recess 26 through the second opening, which is welded to the tip of the inner conductor of the coaxial cable introduced toward the second bottom. It is supposed to be.

さらに、第３の凹部２７は、第３の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４から第１の凹部２５の第１の開口部とは反対方向に開口する第３の開口部を有したもとで、第３の底部を形成しているシグナルコンタクト部材１１の内部導体接続部１４に、それを第１の凹部２５内に配された同軸ケーブルの内部導体とで挟む状態をもって当接するアンビルの第３の開口部を通じた挿入を許すものとされている。   Further, the third recess 27 is a third opening that opens in the direction opposite to the first opening of the first recess 25 from the inner conductor connecting portion 14 of the signal contact member 11 forming the third bottom. In the state where it is sandwiched between the inner conductor connecting portion 14 of the signal contact member 11 forming the third bottom portion and the inner conductor of the coaxial cable disposed in the first recess 25. Insertion through the third opening of the abutment anvil is allowed.

上述のような絶縁ハウジング部材１３によって、シグナルコンタクト部材１１及びグラウンドコンタクト部材１２が相互絶縁状態をもって支持されたもとにあっては、図２における V−V 線断面を示す図５、及び、図２におけるVI−VI線断面を部分的に示す図６に示されるように、絶縁ハウジング部材１３における筒状部２０が、グラウンドコンタクト部材１２における環状嵌合部１６の内側に配された状態におかれ、また、絶縁ハウジング部材１３におけるケーブル係合部２１が、グラウンドコンタクト部材１２における一対の平板状部１７によって挟まれた状態におかれる。そして、グラウンドコンタクト部材１２における環状嵌合部１６の端部とそれにより包囲された絶縁ハウジング部材１３における筒状部２０の端部とが、同軸ケーブルコネクタ１０が連結される相手方コネクタのグラウンドコンタクト部に対する嵌合接続部を構成している。   When the signal contact member 11 and the ground contact member 12 are supported in an insulated state by the insulating housing member 13 as described above, FIG. 5 showing a cross section taken along the line V-V in FIG. As shown in FIG. 6 partially showing a cross section taken along the line VI-VI, the tubular portion 20 in the insulating housing member 13 is placed inside the annular fitting portion 16 in the ground contact member 12, Further, the cable engaging portion 21 in the insulating housing member 13 is put between the pair of flat plate-like portions 17 in the ground contact member 12. Then, the end of the annular fitting portion 16 in the ground contact member 12 and the end of the tubular portion 20 in the insulating housing member 13 surrounded by the ground contact portion 12 are ground contact portions of the mating connector to which the coaxial cable connector 10 is connected. The fitting connection part with respect to is comprised.

そして、絶縁ハウジング部材１３にあっては、そのケーブル係合部２１に、例えば、インサート成形により、その表面の一部を絶縁ハウジング部材１３の外部に臨ませて埋め込まれたシグナルコンタクト部材１１の内部導体接続部１４が、ケーブル係合部２１に設けられた第１の凹部２５と第３の凹部２７とにより挟まれたものとされている。また、シグナルコンタクト部材１１の内部導体接続部１４の端部から伸びる接触係合部１５が、絶縁ハウジング部材１３における筒状部２０を貫通して、その先端部を筒状部２０の端部において絶縁ハウジング部材１３外に臨ませており、同軸ケーブルコネクタ１０が連結される相手方コネクタのシグナルコンタクト部に対する接触接続部を構成している。   In the insulating housing member 13, the inside of the signal contact member 11 embedded in the cable engaging portion 21 by, for example, insert molding with a part of the surface facing the outside of the insulating housing member 13. The conductor connecting portion 14 is sandwiched between a first recess 25 and a third recess 27 provided in the cable engaging portion 21. Further, the contact engaging portion 15 extending from the end portion of the inner conductor connecting portion 14 of the signal contact member 11 penetrates the cylindrical portion 20 in the insulating housing member 13, and its tip end is at the end portion of the cylindrical portion 20. It faces the outside of the insulating housing member 13 and constitutes a contact connection portion for the signal contact portion of the mating connector to which the coaxial cable connector 10 is coupled.

このようなもとで、上述の同軸ケーブルコネクタ１０を同軸ケーブルの一端に装着するときには、本願発明に係る同軸ケーブル接続方法の一例を実施して、同軸ケーブルを同ケーブルコネクタ１０に連結する。斯かる際には、先ず、図７，図８及び図８におけるIX−IX線断面を示す図９に示されるように、同軸ケーブルの一例である同軸ケーブル３０の一端における、例えば、多数の細導線が縒り合されて成る縒り線とされた内部導体３１を、絶縁ハウジング部材１３におけるケーブル係合部２１に設けられた第１の凹部２５における第１の開口部を通じて第１の凹部２５内に配するとともに、同軸ケーブル３０の内部導体３１の先端部３１ａを、絶縁ハウジング部材１３におけるケーブル係合部２１に設けられた第２の凹部２６における第２の開口部を通じて第２の凹部２６の内壁部に当接させる。このとき、同軸ケーブル３０の内部導体３１は、その先端部３１ａが第２の凹部２６の内壁部に形成された一対の相互対向傾斜壁面２６ａに当接せしめられ、また、第１の凹部２５内に配された部分に連なる部分が絶縁ハウジング部材１３に設けられた案内部２８が有する一対の相互対向傾斜壁面２８ａに当接せしめられたものとされる。   Under such circumstances, when the above-described coaxial cable connector 10 is attached to one end of the coaxial cable, an example of the coaxial cable connection method according to the present invention is implemented to connect the coaxial cable to the cable connector 10. In such a case, first, as shown in FIG. 9 showing a cross section taken along the line IX-IX in FIG. 7, FIG. 8 and FIG. The inner conductor 31 that is a twisted wire formed by twisting the conductive wires is put into the first recess 25 through the first opening in the first recess 25 provided in the cable engaging portion 21 in the insulating housing member 13. And the inner end of the inner conductor 31 of the coaxial cable 30 is connected to the inner wall of the second recess 26 through the second opening of the second recess 26 provided in the cable engaging portion 21 of the insulating housing member 13. It abuts on the part. At this time, the inner conductor 31 of the coaxial cable 30 is brought into contact with a pair of mutually opposed inclined wall surfaces 26 a formed on the inner wall portion of the second recess 26, and the inner conductor 31 of the coaxial cable 30 is also in the first recess 25. It is assumed that a portion connected to the portion arranged in the contact portion is brought into contact with a pair of mutually opposed inclined wall surfaces 28 a included in the guide portion 28 provided in the insulating housing member 13.

続いて、図１０及び図１０におけるXI−XI線断面を示す図１１に示されるように、アンビル（金敷部材）４０を、絶縁ハウジング部材１３におけるケーブル係合部２１に設けられた第３の凹部２７の第３の開口部を通じて第３の凹部２７に挿入して、第１の凹部２５の第１の底部を形成するとともに第３の凹部２７の第３の底部を形成するシグナルコンタクト部材１１における内部導体接続部１４に当接させるとともに、例えば、周波数を１１０ｋＨｚ程度とする超音波による超音波振動を同軸ケーブル３０の内部導体３１に伝達するための超音波ホーン４１を、第２の凹部２６の内壁部に形成された一対の相互対向傾斜壁面２６ａに当接した先端部３１ａを含めた同軸ケーブル３０の内部導体３１に当接させる。このとき、超音波ホーン４１における同軸ケーブル３０の内部導体３１の先端部３１ａに当接する部分は、第２の凹部２６の内壁部に形成された一対の相互対向傾斜壁面２６ａの一部に対向する位置をとるものとされる。   Subsequently, as shown in FIG. 11 showing a cross section taken along the line XI-XI in FIGS. 10 and 10, the anvil (anvil member) 40 is provided in the third recess provided in the cable engaging portion 21 in the insulating housing member 13. In the signal contact member 11 that is inserted into the third recess 27 through the third opening of 27 to form the first bottom of the first recess 25 and the third bottom of the third recess 27 For example, an ultrasonic horn 41 for transmitting ultrasonic vibration by ultrasonic waves having a frequency of about 110 kHz to the inner conductor 31 of the coaxial cable 30 is brought into contact with the inner conductor connecting portion 14. It is made to contact | abut to the inner conductor 31 of the coaxial cable 30 including the front-end | tip part 31a contact | abutted to a pair of mutually opposing inclined wall surface 26a formed in the inner wall part. At this time, the portion of the ultrasonic horn 41 that contacts the tip 31 a of the inner conductor 31 of the coaxial cable 30 faces a part of the pair of mutually opposed inclined wall surfaces 26 a formed on the inner wall portion of the second recess 26. It is assumed to take a position.

そして、斯かるもとで、超音波ホーン４１に、それを通じて同軸ケーブル３０の内部導体３１に超音波振動を伝達しつつ、第１の凹部２５における第１の開口部及び第２の凹部２６における第２の開口部を通じて、第１の凹部２５における第１の底部及び第２の凹部２６における第２の底部に向けて変位する状態をとらせる。それにより、超音波ホーン４１からの超音波振動が伝達された同軸ケーブル３０の内部導体３１の先端部３１a を介して第２の凹部２６の一対の相互対向傾斜壁面２６ａが形成された内壁部を溶融させた後、超音波ホーン４１から第２の凹部２６の内壁部に直接に超音波振動を伝達して当該内壁部を更に溶融させ、図１２に示されるように、同軸ケーブル３０の内部導体３１の先端部３１a を第２の凹部２６における第２の底部に向けて変位させつつ第２の凹部２６を同軸ケーブル３０の内部導体３１の先端部３１a に溶着する。また、それとともに、図１３及び図１３における XIV−XIV 線断面を示す図１4 に示されるように、同軸ケーブル３０の内部導体３１を、第１の凹部２５における第１の底部に向けて変位させて当該第１の底部を形成するシグナルコンタクト部材１１における内部導体接続部１４に当接させて、同軸ケーブル３０の内部導体３１とシグナルコンタクト部材１１における内部導体接続部１４とが、第３の凹部２７内に挿入されたアンビル４０と超音波ホーン４１とによって挟まれる状態となした後、当該内部導体接続部１４に超音波接合により接続する。   Under such circumstances, the ultrasonic horn 41 is transmitted to the inner conductor 31 of the coaxial cable 30 through the ultrasonic horn 41, while the first opening in the first recess 25 and the second recess 26. Through the second opening, a state of displacement toward the first bottom in the first recess 25 and the second bottom in the second recess 26 is taken. As a result, the inner wall portion in which the pair of mutually opposed inclined wall surfaces 26a of the second recess 26 is formed via the distal end portion 31a of the inner conductor 31 of the coaxial cable 30 to which the ultrasonic vibration from the ultrasonic horn 41 is transmitted. After melting, the ultrasonic vibration is directly transmitted from the ultrasonic horn 41 to the inner wall portion of the second recess 26 to further melt the inner wall portion, and as shown in FIG. The second recessed portion 26 is welded to the distal end portion 31 a of the inner conductor 31 of the coaxial cable 30 while the distal end portion 31 a of the 31 is displaced toward the second bottom portion of the second recessed portion 26. At the same time, the inner conductor 31 of the coaxial cable 30 is displaced toward the first bottom portion of the first recess 25 as shown in FIG. 14 showing the XIV-XIV line cross section in FIGS. The inner conductor 31 of the coaxial cable 30 and the inner conductor connecting portion 14 of the signal contact member 11 are brought into contact with the inner conductor connecting portion 14 of the signal contact member 11 forming the first bottom portion, thereby forming a third recess. After the state of being sandwiched between the anvil 40 and the ultrasonic horn 41 inserted into the terminal 27, the inner conductor connecting portion 14 is connected by ultrasonic bonding.

それにより、同軸ケーブル３０の縒り線とされた内部導体３１が、その先端部３１ａが一旦溶融された第２の凹部２６の内壁部によって固められて散けないものとされた状態をもって、シグナルコンタクト部材１１における内部導体接続部１４に超音波接合される。このようにして行われる同軸ケーブル３０の内部導体３１のシグナルコンタクト部材１１における内部導体接続部１４に対する超音波接合は、同軸ケーブル３０の内部導体３１がその先端部３１ａが散けないものとされ、かつ、同軸ケーブル３０の内部導体３１とシグナルコンタクト部材１１における内部導体接続部１４とが、第３の凹部２７内に挿入されたアンビル４０と第１の凹部２５内に挿入された超音波ホーン４１とによって挟まれたもとで行われるので、適正かつ確実に達成されることになり、同軸ケーブル３０の内部導体３１がシグナルコンタクト部材１１における内部導体接続部１４に電気的に接続された状態が得られる。   As a result, the signal conductor has a state in which the inner conductor 31 formed as a stranded wire of the coaxial cable 30 is not scattered by the tip 31a being solidified by the inner wall of the second recess 26 once melted. The member 11 is ultrasonically bonded to the inner conductor connecting portion 14. The ultrasonic bonding of the inner conductor 31 of the coaxial cable 30 to the inner conductor connecting portion 14 in the signal contact member 11 performed in this way is such that the inner conductor 31 of the coaxial cable 30 does not scatter its tip 31a. In addition, the inner conductor 31 of the coaxial cable 30 and the inner conductor connecting portion 14 in the signal contact member 11 include the anvil 40 inserted into the third recess 27 and the ultrasonic horn 41 inserted into the first recess 25. Therefore, it is achieved properly and reliably, and a state in which the inner conductor 31 of the coaxial cable 30 is electrically connected to the inner conductor connecting portion 14 in the signal contact member 11 is obtained. .

そして、同軸ケーブル３０の内部導体３１をシグナルコンタクト部材１１における内部導体接続部１４に超音波接合により接続した後に、第１の凹部２５に挿入された超音波ホーン４１を第１の凹部２５から抜脱させるとともに、第３の凹部２７に挿入されたアンビル４０を第３の凹部２７から抜脱させ、絶縁ハウジング部材１３におけるケーブル係合部２１を、アンビル４０及び超音波ホーン４１との関わりが解除されたものとする。   Then, after connecting the inner conductor 31 of the coaxial cable 30 to the inner conductor connecting portion 14 in the signal contact member 11 by ultrasonic bonding, the ultrasonic horn 41 inserted in the first recess 25 is removed from the first recess 25. At the same time, the anvil 40 inserted into the third recess 27 is removed from the third recess 27, and the cable engagement portion 21 in the insulating housing member 13 is released from the relationship with the anvil 40 and the ultrasonic horn 41. It shall be assumed.

その後、グラウンドコンタクト部材１２におけるシェル部１８を、グラウンドコンタクト部材１２における環状嵌合部１６及び一対の平板状部１７に向けて屈曲させて、シェル部１８に、環状嵌合部１６及び一対の平板状部１７と大部分が環状嵌合部１６及び一対の平板状部１７に収容された絶縁ハウジング部材１３とを覆う状態をとらせる。そして、斯かるもとで、シェル部１８に設けられた一対の第１の屈曲係合片１８ａを、相互近接する方向に屈曲させて一対の平板状部１７に係合させ、また、シェル部１８に設けられた一対の第２の屈曲係合片１８ｂを、相互近接する方向に屈曲させて、内部導体３１がシグナルコンタクト部材１１の内部導体接続部１４に接続された同軸ケーブル３０における内部導体３２を内部絶縁体３２を介して包囲する外部導体３３に係合させ、さらに、また、シェル部１８に設けられた一対の第３の屈曲係合片１８ｃを、相互近接する方向に屈曲させて、内部導体３１がシグナルコンタクト部材１１の内部導体接続部１４に接続された同軸ケーブル３０の表皮絶縁体３４に係合させる。それにより、図１５に示されるように、同軸ケーブル３０の外部導体３３を、グラウンドコンタクト部材１２におけるシェル部１８との接触接続状態におくことができるとともに、同軸ケーブル３０をグラウンドコンタクト部材１２におけるシェル部１８に設けられた一対の第２の屈曲係合片１８ｂ及び一対の第３の屈曲係合片１８ｃによって保持されたものとすることができる。   Thereafter, the shell portion 18 in the ground contact member 12 is bent toward the annular fitting portion 16 and the pair of flat plate-like portions 17 in the ground contact member 12, and the annular fitting portion 16 and the pair of flat plates are formed in the shell portion 18. The shape portion 17 and most of the shape are covered with the annular fitting portion 16 and the insulating housing member 13 accommodated in the pair of flat plate-like portions 17. Under such circumstances, the pair of first bending engagement pieces 18a provided in the shell portion 18 are bent in directions close to each other and engaged with the pair of flat plate portions 17, and the shell portion The inner conductor 31 in the coaxial cable 30 in which the inner conductor 31 is connected to the inner conductor connecting portion 14 of the signal contact member 11 by bending the pair of second bending engagement pieces 18b provided in the inner contact 18 in a direction approaching each other. 32 is engaged with the outer conductor 33 surrounding the inner insulator 32, and the pair of third bending engagement pieces 18c provided on the shell portion 18 are bent in directions close to each other. The inner conductor 31 is engaged with the skin insulator 34 of the coaxial cable 30 connected to the inner conductor connecting portion 14 of the signal contact member 11. As a result, as shown in FIG. 15, the outer conductor 33 of the coaxial cable 30 can be placed in contact connection with the shell portion 18 of the ground contact member 12, and the coaxial cable 30 can be placed in the shell of the ground contact member 12. It can be held by a pair of second bending engagement pieces 18b and a pair of third bending engagement pieces 18c provided in the portion 18.

その結果、図１５，図１６及び図１７に示されるように、シグナルコンタクト部材１１とグラウンドコンタクト部材１２とが絶縁ハウジング部材１３によって相互絶縁状態をもって支持されて成る同軸ケーブルコネクタ１０が、内部導体３１がシグナルコンタクト部材１１の内部導体接続部１４に接続されるとともに外部導体３３がグラウンドコンタクト部材１２におけるシェル部１８に接触接続され、グラウンドコンタクト部材１２におけるシェル部１８に設けられた一対の第２の屈曲係合片１８ｂ及び一対の第３の屈曲係合片１８ｃによって保持された同軸ケーブル３０の一端に装着されたものとされる。   As a result, as shown in FIGS. 15, 16, and 17, the coaxial cable connector 10 in which the signal contact member 11 and the ground contact member 12 are supported by the insulating housing member 13 in a mutually insulated state is provided with the inner conductor 31. Is connected to the inner conductor connecting portion 14 of the signal contact member 11 and the outer conductor 33 is contact-connected to the shell portion 18 of the ground contact member 12, and a pair of second conductors provided on the shell portion 18 of the ground contact member 12. It is assumed that it is attached to one end of the coaxial cable 30 held by the bending engagement piece 18b and the pair of third bending engagement pieces 18c.

図１８は、同軸ケーブル３０の一端に装着された同軸ケーブルコネクタ１０が嵌合連結される相手方コネクタの一例を成す相手方コネクタ５０と、相手方コネクタ５０が装着された回路基板５１とを示す。相手方コネクタ５０は、回路基板５１における部品搭載面５２上に固定されている。   FIG. 18 shows a counterpart connector 50 that is an example of a counterpart connector to which the coaxial cable connector 10 attached to one end of the coaxial cable 30 is fitted and connected, and a circuit board 51 to which the counterpart connector 50 is attached. The mating connector 50 is fixed on the component mounting surface 52 of the circuit board 51.

相手方コネクタ５０は、合成樹脂材等の絶縁材料により形成されて、相手方コネクタ５０が固定される回路基板５１の部品搭載面５２上に配される絶縁基体５３を備えている。絶縁基体５３は、相手方コネクタ５０が固定される回路基板５１の部品搭載面５２に対接する底面部分とそれに対向する上面部分とを有しており、その中央部分に環状突出部５４が形成されている。   The mating connector 50 is formed of an insulating material such as a synthetic resin material, and includes an insulating base 53 disposed on the component mounting surface 52 of the circuit board 51 to which the mating connector 50 is fixed. The insulating base 53 has a bottom surface portion that contacts the component mounting surface 52 of the circuit board 51 to which the mating connector 50 is fixed, and an upper surface portion that opposes the bottom surface portion, and an annular protrusion 54 is formed at the center portion. Yes.

また、相手方コネクタ５０は、例えば、合金板材とされる弾性を有した導電材料により形成され、絶縁基体５３をその中央部分に形成された環状突出部５４により包囲された状態をもって底面部分側から上面部分側へと貫通して、絶縁基体５３に組み付けられるシグナルコンタクト部５５を備えている。シグナルコンタクト部５５には、絶縁基体５３において底面部分側から上面部分側へと伸びる円柱状部を成す接触接続部５５ａと，絶縁基体５３の底面部分において接触接続部５５ａから絶縁基体５３の外部へと伸びるシグナル用接続部（図に現れていない。）とが設けられている。接触接続部５５ａは、相手方コネクタ５０に嵌合接続された同軸ケーブルコネクタ１０のシグナルコンタクト部材１１における一対の接触係合部１５が接触接続されるものとされ、シグナル用接続部は、絶縁基体５３が配される部品搭載面５２を有する回路基板５１に設けられたシグナル端子（図示が省略されている。）に、例えば、半田付けにより接続される。   Further, the mating connector 50 is formed of, for example, an elastic conductive material that is an alloy plate material, and the insulating base 53 is surrounded by an annular projecting portion 54 formed in the central portion thereof, and the upper surface from the bottom surface portion side. A signal contact portion 55 that penetrates to the partial side and is assembled to the insulating base 53 is provided. The signal contact portion 55 includes a contact connection portion 55 a that forms a cylindrical portion that extends from the bottom surface portion side to the top surface portion side of the insulating base 53, and a contact connection portion 55 a that extends from the contact connection portion 55 a to the outside of the insulating base 53. And an extending signal connection (not shown in the figure). The contact connection portion 55 a is a contact connection portion 15 of the signal contact member 11 of the coaxial cable connector 10 fitted and connected to the mating connector 50, and the signal connection portion includes the insulating base 53. Is connected to a signal terminal (not shown) provided on the circuit board 51 having the component mounting surface 52 on which, for example, soldering.

さらに、相手方コネクタ５０は、例えば、合金板材とされる弾性を有した導電材料により形成され、絶縁基体５３の上面側部分において、絶縁基体５３に形成された環状突出部５４の周囲に配される環状体を成すものとして絶縁基体５３に組み付けられたグラウンドコンタクト部５６を備えている。グラウンドコンタクト部５６には、それから絶縁基体５３の外部へと伸びる複数のグラウンド接続部５６ａが設けられている。グラウンドコンタクト部５６は、相手側コネクタ５０に嵌合連結された同軸ケーブルコネクタ１０におけるグラウンドコンタクト部材１２における環状嵌合部１６が嵌合接続されるものとされ、グラウンド接続部５６ａは、絶縁基体５３が配される部品搭載面５２を有する回路基板５１に設けられたグラウンド端子（図示が省略されている。）に、例えば、半田付けにより接続される。   Further, the mating connector 50 is formed of, for example, an elastic conductive material that is an alloy plate material, and is disposed around the annular protrusion 54 formed on the insulating base 53 in the upper surface side portion of the insulating base 53. A ground contact portion 56 assembled to the insulating base 53 is provided as an annular body. The ground contact portion 56 is provided with a plurality of ground connection portions 56 a extending from the insulating base 53 to the outside. The ground contact portion 56 is connected to the annular fitting portion 16 of the ground contact member 12 in the coaxial cable connector 10 fitted and connected to the mating connector 50. The ground connection portion 56a is connected to the insulating base 53. Is connected to a ground terminal (not shown) provided on the circuit board 51 having the component mounting surface 52 on which, for example, by soldering.

そして、図１９に示されるように、上述のようにして回路基板５１における部品搭載面５２上に固定された相手方コネクタ５０に、前述の同軸ケーブル３０の一端に装着された同軸ケーブルコネクタ１０が嵌合連結される。   Then, as shown in FIG. 19, the coaxial cable connector 10 attached to one end of the coaxial cable 30 is fitted into the counterpart connector 50 fixed on the component mounting surface 52 of the circuit board 51 as described above. Combined.

同軸ケーブル３０の一端に装着された同軸ケーブルコネクタ１０が、回路基板５１における部品搭載面５２上に固定された相手方コネクタ５０に嵌合連結されたもとにあっては，同軸ケーブルコネクタ１０のグラウンドコンタクト部材１２における環状嵌合部１６が、相手方コネクタ５０のグラウンドコンタクト部５６に嵌合接続せしめられる。それとともに、同軸ケーブルコネクタ１０における絶縁ハウジング部材１３における筒状部２０が、相手方コネクタ５０のグラウンドコンタクト部５６における環状突出部５４の内側に配されて、筒状部２０内に、相手方コネクタ５０のシグナルコンタクト部５５における接触接続部５５ａが挿入され、筒状部２０内を貫通して伸びる同軸ケーブルコネクタ１０のシグナルコンタクト部材１１における一対の接触係合部１５が接触接続部５５ａに接触接続される。   When the coaxial cable connector 10 attached to one end of the coaxial cable 30 is fitted and connected to the mating connector 50 fixed on the component mounting surface 52 of the circuit board 51, the ground contact member of the coaxial cable connector 10 is used. 12 is fitted and connected to the ground contact portion 56 of the mating connector 50. At the same time, the cylindrical portion 20 of the insulating housing member 13 of the coaxial cable connector 10 is disposed inside the annular protrusion 54 of the ground contact portion 56 of the counterpart connector 50, and the counterpart connector 50 is inserted into the cylindrical portion 20. The contact connection portion 55a in the signal contact portion 55 is inserted, and the pair of contact engagement portions 15 in the signal contact member 11 of the coaxial cable connector 10 extending through the cylindrical portion 20 is contact-connected to the contact connection portion 55a. .

このようにして、同軸ケーブルコネクタ１０のグラウンドコンタクト部材１２における環状嵌合部１６が、相手方コネクタ５０のグラウンドコンタクト部５６に嵌合接続せしめられることにより、同軸ケーブルコネクタ１０のグラウンドコンタクト部材１２との電気的接続がなされた同軸ケーブル３０の外部導体３３が、グラウンドコンタクト部材１２における環状嵌合部１６及び相手方コネクタ５０のグラウンドコンタクト部５６を介して、回路基板５１に設けられたグラウンド端子に電気的に連結されることになり、また、同軸ケーブルコネクタ１０におけるシグナルコンタクト部材１１における一対の接触係合部１５が、相手方コネクタ５０のシグナルコンタクト部５５における接触接続部５５ａに接触接続されることにより、同軸ケーブルコネクタ１０のシグナルコンタクト部材１１における内部導体接続部１４との電気的接続がなされた同軸ケーブル３０の内部導体３１が、シグナルコンタクト部材１１における一対の接触係合部１５及び相手方コネクタ５０のシグナルコンタクト部５５における接触接続部５５ａを介して、回路基板５１に設けられたシグナル端子に電気的に連結されることになる。   In this way, the annular fitting portion 16 in the ground contact member 12 of the coaxial cable connector 10 is fitted and connected to the ground contact portion 56 of the mating connector 50, whereby the coaxial cable connector 10 and the ground contact member 12 are connected. The external conductor 33 of the coaxial cable 30 that has been electrically connected is electrically connected to the ground terminal provided on the circuit board 51 via the annular fitting portion 16 of the ground contact member 12 and the ground contact portion 56 of the mating connector 50. In addition, the pair of contact engagement portions 15 in the signal contact member 11 in the coaxial cable connector 10 are contact-connected to the contact connection portion 55a in the signal contact portion 55 of the counterpart connector 50, Coaxial cable The inner conductor 31 of the coaxial cable 30 that is electrically connected to the inner conductor connecting portion 14 in the signal contact member 11 of the bull connector 10 is connected to the pair of contact engaging portions 15 in the signal contact member 11 and the signal contact of the mating connector 50. It is electrically connected to the signal terminal provided on the circuit board 51 through the contact connection part 55a in the part 55.

上述のような本願発明に係る同軸ケーブルコネクタの一例を成す同軸ケーブルコネクタ１０あるいは本願発明に係る同軸ケーブル接続方法の一例によれば、同軸ケーブルコネクタ１０が同軸ケーブル３０の一端に装着されるにあたり、同軸ケーブル３０の内部導体３１が、絶縁ハウジング部材１３におけるケーブル係合部２１に設けられた第１の凹部２５の第１の開口部を通じて第１の凹部２５内に配されるとともに同軸ケーブル３０の内部導体３１の先端部３１a が、絶縁ハウジング部材１３におけるケーブル係合部２１に設けられた第２の凹部２６の第２の開口部を通じて第２の凹部２６の内壁部に当接せしめられ、超音波ホーン４１が先端部３１a を含んだ同軸ケーブル３０の内部導体３１に当接せしめられる。そして、斯かるもとで、同軸ケーブル３０の内部導体３１に当接せしめられた超音波ホーン４１が、それを通じて同軸ケーブル３０の内部導体３１に超音波振動を伝達しつつ、第１の凹部２５の第１の開口部及び第２の凹部２６の第２の開口部を通じて、第１の凹部２５における第１の底部及び第２の凹部２６における第２の底部に向けて変位する状態におかれ、それにより、超音波振動が伝達された同軸ケーブル３０の内部導体３１の先端部３１ａ及び超音波ホーン４１が第２の凹部２６の内壁部を溶融させ、同軸ケーブル３０の内部導体３１の先端部３１ａが第２の凹部２６の第２の底部に向けて変位せしめられていき、第２の凹部２６が同軸ケーブル３０の内部導体３１の先端部３１ａに溶着されるとともに、同軸ケーブル３０の内部導体３１が、第１の凹部２５における第１の底部に向けて変位せしめられて当該第１の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４に超音波接合により接続される。   According to one example of the coaxial cable connector 10 according to the present invention as described above or the coaxial cable connection method according to the present invention, the coaxial cable connector 10 is attached to one end of the coaxial cable 30. The inner conductor 31 of the coaxial cable 30 is arranged in the first recess 25 through the first opening of the first recess 25 provided in the cable engaging portion 21 in the insulating housing member 13 and the coaxial cable 30. The tip 31a of the inner conductor 31 is brought into contact with the inner wall of the second recess 26 through the second opening of the second recess 26 provided in the cable engaging portion 21 of the insulating housing member 13, The sonic horn 41 is brought into contact with the inner conductor 31 of the coaxial cable 30 including the tip 31a. Under such circumstances, the ultrasonic horn 41 brought into contact with the inner conductor 31 of the coaxial cable 30 transmits ultrasonic vibrations to the inner conductor 31 of the coaxial cable 30 through the first horn 25. The first opening and the second opening of the second recess 26 are displaced toward the first bottom of the first recess 25 and the second bottom of the second recess 26. Thus, the tip 31a of the inner conductor 31 of the coaxial cable 30 and the ultrasonic horn 41 to which the ultrasonic vibration has been transmitted melt the inner wall of the second recess 26, and the tip of the inner conductor 31 of the coaxial cable 30. 31 a is displaced toward the second bottom of the second recess 26, the second recess 26 is welded to the tip 31 a of the inner conductor 31 of the coaxial cable 30, and the inside of the coaxial cable 30 Body 31 is connected by ultrasonic bonding to the inner conductor connecting portion 14 of the signal contact member 11 in which the first bottom is caused to displace toward the in the first recess 25 to form the first bottom.

その際、同軸ケーブルコネクタ１０の絶縁ハウジング部材１３において、第１の凹部２５が超音波ホーン４１についての第１の開口部を通じた第１の凹部２５内への挿入を許すものとされ、また、第２の凹部２６が超音波ホーンについての第２の開口部を通じた第２の凹部２６内への挿入を許すものとされていることにより、同軸ケーブルコネクタ１０全体の低背化が図られたもとにあっても、第２の凹部２６の内壁部を超音波溶融させることにより同軸ケーブル３０の内部導体３１の先端部３１ａをそれに対して第２の凹部２６が溶着されたものとすることができるとともに、シグナルコンタクト部材１１の内部導体接続部１４に対する同軸ケーブル３０の内部導体３１の接続を超音波接合により行うことができ、その結果、シグナルコンタクト部材１１の内部導体接続部１４に対する同軸ケーブル３０の内部導体３１の接続を、半田付けによらず、従って、半田付け接続に伴うことになる不都合を回避できるもとで、同軸ケーブル３０の内部導体３１を散けさせない状態をもって、超音波接合により適正, 確実かつ堅固に行うことができることになる。   At that time, in the insulating housing member 13 of the coaxial cable connector 10, the first recess 25 is allowed to be inserted into the first recess 25 through the first opening of the ultrasonic horn 41, and Since the second concave portion 26 allows insertion of the ultrasonic horn into the second concave portion 26 through the second opening, the overall height of the coaxial cable connector 10 is reduced. Even in this case, by ultrasonically melting the inner wall portion of the second concave portion 26, the end portion 31a of the inner conductor 31 of the coaxial cable 30 can be welded to the second concave portion 26. In addition, the inner conductor 31 of the coaxial cable 30 can be connected to the inner conductor connecting portion 14 of the signal contact member 11 by ultrasonic bonding. The connection of the inner conductor 31 of the coaxial cable 30 to the inner conductor connecting portion 14 of the cable member 11 is not performed by soldering, and therefore the inconvenience associated with the soldering connection can be avoided. With the state in which the conductor 31 is not scattered, the ultrasonic bonding can be performed appropriately, reliably and firmly.

また、本願発明に係る同軸ケーブルコネクタの一例あるいは本願発明に係る同軸ケーブル接続方法の一例によれば、同軸ケーブルコネクタ１０の絶縁ハウジング部材１３に、第１の凹部２５及び第２の凹部２６に加えて、第１の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４によって形成された第３の底部と当該第３の底部を形成する内部導体接続部１４から第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部２７が設けられたもとで、第３の開口部を通じて第３の凹部２７内に挿入されたアンビル４０が、第３の底部を形成するシグナルコンタクト部材１１の内部導体接続部１４に当接する状態をとるものとされる。それにより、シグナルコンタクト部材１１の内部導体接続部１４とそれに当接した同軸ケーブル３０の内部導体３１とが、第３の凹部２７内に挿入されたアンビル４０と第１の凹部２５内に挿入された超音波ホーン４１とにより直接的に挟まれたもとで、超音波ホーン４１を通じて同軸ケーブル３０の内部導体３１に超音波振動が伝達されて、同軸ケーブル３０の内部導体３１がシグナルコンタクト部材１１の内部導体接続部１４に超音波接合により接続される。その結果、シグナルコンタクト部材１１の内部導体接続部１４に対する同軸ケーブル３０の内部導体３１の超音波接合による接続が、より一層確実かつ安定に行われることになる。   Further, according to the example of the coaxial cable connector according to the present invention or the example of the coaxial cable connection method according to the present invention, the insulating housing member 13 of the coaxial cable connector 10 is added to the first recess 25 and the second recess 26. The third bottom formed by the inner conductor connecting portion 14 of the signal contact member 11 forming the first bottom and the direction from the inner conductor connecting portion 14 forming the third bottom toward the first opening An anvil 40 inserted into the third recess 27 through the third opening is provided with a third recess 27 having a third opening that opens in the opposite direction to the first opening. 3 is in contact with the inner conductor connecting portion 14 of the signal contact member 11 that forms the bottom of the three. As a result, the inner conductor connecting portion 14 of the signal contact member 11 and the inner conductor 31 of the coaxial cable 30 in contact therewith are inserted into the anvil 40 inserted into the third recess 27 and the first recess 25. Ultrasonic vibration is transmitted to the inner conductor 31 of the coaxial cable 30 through the ultrasonic horn 41 while being directly sandwiched between the ultrasonic horn 41 and the inner conductor 31 of the coaxial cable 30 is connected to the inside of the signal contact member 11. The conductor connection portion 14 is connected by ultrasonic bonding. As a result, the connection by the ultrasonic bonding of the inner conductor 31 of the coaxial cable 30 to the inner conductor connecting portion 14 of the signal contact member 11 is further reliably and stably performed.

以上のような本願発明に係る同軸ケーブルコネクタ及び同軸ケーブル接続方法は、それを用いる、あるいは、実施することにより、同軸ケーブルコネクタ全体の低背化が図られたもとにあっても、シグナルコンタクト部材の内部導体接続部に対する同軸ケーブルの内部導体の接続を、半田付けによらず、当該内部導体を散けさせない状態のもとでの超音波接合によって、適正, 確実かつ堅固に行うことができることになるものとして、各種の電子機器等に広く適用され得るものである。   The coaxial cable connector and the coaxial cable connection method according to the present invention as described above are used or implemented, so that even if the overall height of the coaxial cable connector is reduced, the signal contact member The connection of the inner conductor of the coaxial cable to the inner conductor connecting portion can be performed properly, reliably and firmly by ultrasonic bonding in a state where the inner conductor is not scattered without being soldered. As a thing, it can be widely applied to various electronic devices.

１０・・・同軸ケーブルコネクタ， １１・・・シグナルコンタクト部材， １２・・・グラウンドコンタクト部材， １３・・・絶縁ハウジング部材， １４・・・内部導体接続部， １５・・・接触係合部， １６・・・環状嵌合部， １７・・・平板状部， １８・・・シェル部， １８ａ・・・第１の屈曲係合片， １８ｂ・・・第２の屈曲係合片， １８ｃ・・・第３の屈曲係合片， ２０・・・筒状部， ２１・・・ケーブル係合部， ２５・・・第１の凹部， ２５ａ，２６ａ，２８ａ・・・相互対向傾斜壁面， ２６・・・第２の凹部， ２６ｂ・・・スリット部， ２７・・・第３の凹部， ２８・・・案内部， ３０・・・同軸ケーブル， ３１・・・内部導体， ３１ａ・・・（内部導体３１の）先端部， ３２・・・内部絶縁体， ３３・・・外部導体， ３４・・・表皮絶縁体， ４０・・・アンビル（金敷部材）， ４１・・・超音波ホーン， ５０・・・相手方コネクタ， ５１・・・回路基板， ５２・・・部品搭載面， ５３・・・絶縁基体, ５４・・・環状突出部, ５５・・・シグナルコンタクト部， ５５ａ・・・接触接続部， ５６・・・グラウンドコンタクト部， ５６ａ・・・グラウンド接続部   DESCRIPTION OF SYMBOLS 10 ... Coaxial cable connector, 11 ... Signal contact member, 12 ... Ground contact member, 13 ... Insulating housing member, 14 ... Internal conductor connection part, 15 ... Contact engagement part, 16 ... annular fitting part, 17 ... flat plate part, 18 ... shell part, 18a ... first bending engagement piece, 18b ... second bending engagement piece, 18c .. third bending engagement piece, 20... Cylindrical portion, 21... Cable engagement portion, 25... First recess, 25 a, 26 a, 28 a. ... 2nd recessed part, 26b ... Slit part, 27 ... 3rd recessed part, 28 ... Guide part, 30 ... Coaxial cable, 31 ... Internal conductor, 31a ... ( Tip of internal conductor 31, 32... Internal insulator, 3 ... outer conductor, 34 ... skin insulator, 40 ... anvil (anvil member), 41 ... ultrasonic horn, 50 ... mating connector, 51 ... circuit board, 52 ... -Component mounting surface, 53 ... Insulating substrate, 54 ... Annular protrusion, 55 ... Signal contact part, 55a ... Contact connection part, 56 ... Ground contact part, 56a ... Ground connection Part

Claims (9)

同軸ケーブルの内部導体との接続がなされる内部導体接続部及び該内部導体接続部から伸びて外部のシグナルコンタクト部に接触接続される接触係合部を有したシグナルコンタクト部材と、
外部のグラウンドコンタクト部に嵌合接続される環状嵌合部及び該環状嵌合部から屈曲可能に伸びて上記同軸ケーブルの外部導体との接触状態におかれるシェル部を有したグラウンドコンタクト部材と、
上記シグナルコンタクト部材と上記グラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材と、
を備えて構成され、
上記絶縁ハウジング部材に、上記シグナルコンタクト部材の内部導体接続部によって形成された第１の底部と上記同軸ケーブルの内部導体を上記第１の底部を形成する上記内部導体接続部に当接させるための第１の開口部とを有して成る第１の凹部、及び、上記シグナルコンタクト部材の内部導体接続部が配された第２の底部と上記同軸ケーブルの内部導体の先端部を上記第２の底部に向けて導入するための第２の開口部とを有し、上記第１の凹部に連なるものとして形成された第２の凹部が設けられ、
上記第１の凹部が、上記第１の底部を形成する内部導体接続部に当接した上記同軸ケーブルの内部導体に超音波振動を伝達して、該内部導体を上記内部導体接続部に接合されたものとなす超音波ホーンについての、上記第１の開口部を通じた上記第１の凹部内への挿入を許すとともに、上記第２の凹部が、上記超音波ホーンについての、上記第２の凹部の内壁部に超音波振動を伝達して該内壁部を溶融させることにより上記第２の凹部を上記第２の底部に向けて導入された上記同軸ケーブルの内部導体の先端部に溶着するものとしての、上記第２の開口部を通じた上記第２の凹部内への挿入を許すことを特徴とする同軸ケーブルコネクタ。 A signal contact member having an inner conductor connecting portion that is connected to the inner conductor of the coaxial cable and a contact engaging portion that extends from the inner conductor connecting portion and is contact-connected to an external signal contact portion;
An annular fitting part fitted and connected to an external ground contact part, and a ground contact member having a shell part extending from the annular fitting part so as to be bent and placed in contact with the outer conductor of the coaxial cable;
An insulating housing member that supports the signal contact member and the ground contact member in a mutually insulated state;
Configured with
A first bottom portion formed by the inner conductor connecting portion of the signal contact member and an inner conductor connecting portion of the coaxial cable for contacting the insulating housing member with the inner conductor connecting portion forming the first bottom portion; A first recess having a first opening, a second bottom portion on which the inner conductor connecting portion of the signal contact member is disposed, and a tip portion of the inner conductor of the coaxial cable. A second opening for introducing toward the bottom, and a second recess formed to be continuous with the first recess is provided,
The first concave portion transmits ultrasonic vibration to the inner conductor of the coaxial cable that is in contact with the inner conductor connecting portion forming the first bottom portion, and the inner conductor is joined to the inner conductor connecting portion. And allowing the ultrasonic horn to be inserted into the first recess through the first opening, and the second recess is the second recess for the ultrasonic horn. The second concave portion is welded to the tip end portion of the inner conductor of the coaxial cable introduced toward the second bottom by transmitting ultrasonic vibration to the inner wall portion and melting the inner wall portion. A coaxial cable connector that allows insertion into the second recess through the second opening. 上記絶縁ハウジング部材が、上記第１の凹部及び上記第２の凹部に加えて、上記第１の底部を形成する上記内部導体接続部によって形成された第３の底部と該第３の底部を形成する上記内部導体接続部から上記第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部が設けられたものとされ、該第３の凹部が、上記第３の底部を形成する上記内部導体接続部に当接する状態をとるアンビルの上記第３の開口部を通じた上記第３の凹部内への挿入を許すことを特徴とする請求項１記載の同軸ケーブルコネクタ。   In addition to the first recess and the second recess, the insulating housing member forms a third bottom and a third bottom formed by the inner conductor connecting portion that forms the first bottom. A third recess having a third opening that opens in a direction opposite to the direction from the inner conductor connecting portion toward the first opening is provided. The concave portion allows insertion of the anvil, which is in contact with the inner conductor connecting portion forming the third bottom portion, into the third concave portion through the third opening. The coaxial cable connector according to 1. 上記絶縁ハウジング部材が、上記第１の凹部を挟んで上記第２の凹部に対向する位置に形成され、上記同軸ケーブルの内部導体が上記第１の開口部を通じて上記第１の底部を形成する上記内部導体接続部に当接せしめられるとき、上記同軸ケーブルの内部導体を上記第１の底部へと案内する案内部が設けられたことを特徴とする請求項１記載の同軸ケーブルコネクタ。   The insulating housing member is formed at a position facing the second recess with the first recess interposed therebetween, and the inner conductor of the coaxial cable forms the first bottom through the first opening. 2. The coaxial cable connector according to claim 1, further comprising a guide portion for guiding the inner conductor of the coaxial cable to the first bottom portion when the inner conductor connection portion is brought into contact with the inner conductor connecting portion. 上記第１の開口部を含めた上記第１の凹部の全体が上記第２の開口部を含めた上記第２の凹部の全体より大規模に形成されていることを特徴とする請求項１記載の同軸ケーブルコネクタ。   2. The entire first recess including the first opening is formed on a larger scale than the entire second recess including the second opening. Coaxial cable connector. 上記第２の凹部が、該第２の凹部の内壁部の溶融前においては、上記内壁部に上記第２の開口部から上記第２の底部に向かって漸次相互近接する一対の相互対向傾斜面が形成されたものとされることを特徴とする請求項１記載の同軸ケーブルコネクタ。   Before the melting of the inner wall portion of the second recess, the second recess is a pair of mutually opposed inclined surfaces that gradually approach each other toward the inner wall portion from the second opening toward the second bottom portion. The coaxial cable connector according to claim 1, wherein the coaxial cable connector is formed. 上記第２の凹部が、該第２の凹部の内壁部の溶融前においては、上記一対の相互対向傾斜面と上記第２の底部との間にスリット部が形成されたものとされることを特徴とする請求項５記載の同軸ケーブルコネクタ。   The second recess has a slit formed between the pair of mutually opposed inclined surfaces and the second bottom before the inner wall of the second recess is melted. 6. The coaxial cable connector according to claim 5, wherein: 同軸ケーブルの内部導体との接続がなされる内部導体接続部及び該内部導体接続部から伸びて外部のシグナルコンタクト部に接触接続される接触係合部を有したシグナルコンタクト部材と、外部のグラウンドコンタクト部に嵌合接続される環状嵌合部及び該環状嵌合部から屈曲可能に伸びて上記同軸ケーブルの外部導体との接触状態におかれるシェル部を有したグラウンドコンタクト部材と、上記シグナルコンタクト部材と上記グラウンドコンタクト部材とを相互絶縁状態をもって支持する絶縁ハウジング部材とを備え、上記絶縁ハウジング部材に、上記シグナルコンタクト部材の内部導体接続部によって形成された第１の底部と上記同軸ケーブルの内部導体を上記第１の底部を形成する上記内部導体接続部に当接させるための第１の開口部とを有して成る第１の凹部、及び、上記シグナルコンタクト部材の内部導体接続部が配された第２の底部と上記同軸ケーブルの内部導体の先端部を上記第２の底部に向けて導入するための第２の開口部とを有し、上記第１の凹部に連なるものとして形成された第２の凹部が設けられて成る同軸ケーブルコネクタを用意し、
同軸ケーブルの内部導体を上記第１の凹部における第１の開口部を通じて上記第１の凹部内に配するとともに上記同軸ケーブルの内部導体の先端部を上記第２の凹部における第２の開口部を通じて上記第２の凹部の内壁部に当接させ、
超音波ホーンを上記先端部を含んだ上記同軸ケーブルの内部導体に当接させたもとで、
上記超音波ホーンに、該超音波ホーンを通じて上記同軸ケーブルの内部導体に超音波振動を伝達しつつ、上記第１の凹部における第１の開口部及び上記第２の凹部における第２の開口部を通じて、上記第１の凹部における第１の底部及び上記第２の凹部における第２の底部に向けて変位する状態をとらせ、
上記同軸ケーブルの内部導体の先端部を介して上記第２の凹部の内壁部を溶融させた後、上記超音波ホーンから上記第２の凹部の内壁部に直接に超音波振動を伝達して該内壁部を更に溶融させて、上記同軸ケーブルの内部導体の先端部を上記第２の凹部における第２の底部に向けて変位させつつ上記第２の凹部を上記同軸ケーブルの内部導体の先端部に溶着するとともに、上記同軸ケーブルの内部導体を上記第１の凹部における第１の底部に向けて変位させて該第１の底部を形成する上記内部導体接続部に当接させた後該内部導体接続部に超音波接合により接続し、
さらに、上記同軸ケーブルの外部導体を上記グラウンドコンタクト部材のシェル部との接触接続状態におくことを特徴とする同軸ケーブル接続方法。 A signal contact member having an inner conductor connecting portion that is connected to the inner conductor of the coaxial cable, a contact engaging portion that extends from the inner conductor connecting portion and is connected to the outer signal contact portion, and an outer ground contact An annular fitting part fitted and connected to the part, a ground contact member having a shell part extending from the annular fitting part so as to be bent and placed in contact with the outer conductor of the coaxial cable, and the signal contact member And an insulating housing member that supports the ground contact member in a mutually insulated state. The insulating housing member includes a first bottom portion formed by an inner conductor connecting portion of the signal contact member and an inner conductor of the coaxial cable. A first opening for contacting the inner conductor connecting portion forming the first bottom And a second bottom portion where the inner conductor connecting portion of the signal contact member is disposed and a tip portion of the inner conductor of the coaxial cable are introduced toward the second bottom portion. A coaxial cable connector having a second opening for providing a second recess formed to be continuous with the first recess,
The inner conductor of the coaxial cable is disposed in the first recess through the first opening in the first recess, and the front end of the inner conductor of the coaxial cable is passed through the second opening in the second recess. Abutting against the inner wall of the second recess,
With the ultrasonic horn in contact with the inner conductor of the coaxial cable including the tip,
Through the ultrasonic horn, ultrasonic vibration is transmitted to the inner conductor of the coaxial cable through the ultrasonic horn, and through the first opening in the first recess and the second opening in the second recess. Taking a state of being displaced toward the first bottom in the first recess and the second bottom in the second recess,
After melting the inner wall portion of the second recess through the tip portion of the inner conductor of the coaxial cable, ultrasonic vibration is transmitted directly from the ultrasonic horn to the inner wall portion of the second recess. The inner wall is further melted, and the tip of the inner conductor of the coaxial cable is displaced toward the second bottom of the second recess, while the second recess is moved to the tip of the inner conductor of the coaxial cable. After the welding, the inner conductor of the coaxial cable is displaced toward the first bottom portion of the first concave portion and brought into contact with the inner conductor connecting portion forming the first bottom portion, and then the inner conductor connection Connected by ultrasonic bonding,
Furthermore, the coaxial cable connecting method, wherein the outer conductor of the coaxial cable is placed in contact connection with the shell portion of the ground contact member. 上記絶縁ハウジング部材が、上記第１の凹部及び上記第２の凹部に加えて、上記第１の底部を形成する上記内部導体接続部によって形成された第３の底部と該第３の底部を形成する上記内部導体接続部から上記第１の開口部に向かう方向とは反対の方向に開口する第３の開口部を有して成る第３の凹部が設けられたものとされたもとで、アンビルを上記第３の開口部を通じて上記第３の凹部内に挿入して上記第３の底部を形成する上記内部導体接続部に当接させることを特徴とする請求項７記載の同軸ケーブル接続方法。   In addition to the first recess and the second recess, the insulating housing member forms a third bottom and a third bottom formed by the inner conductor connecting portion that forms the first bottom. The anvil is provided with a third recess having a third opening that opens in a direction opposite to the direction from the inner conductor connecting portion toward the first opening. 8. The coaxial cable connecting method according to claim 7, wherein the coaxial cable connecting method is inserted into the third concave portion through the third opening and brought into contact with the inner conductor connecting portion forming the third bottom portion. 上記絶縁ハウジング部材が、上記第１の凹部を挟んで上記第２の凹部に対向する位置に形成され、上記同軸ケーブルの内部導体が上記第１の凹部における第１の底部を形成する上記内部導体接続部に当接せしめられるとき、上記同軸ケーブルの内部導体を上記第１の底部へと案内する案内部が設けられているもとで、上記超音波ホーンを、該超音波ホーンを通じて上記同軸ケーブルの内部導体に超音波振動を伝達しつつ、上記第１の凹部における第１の底部及び上記第２の凹部における第２の底部に向けて変位させるとき、上記同軸ケーブルの内部導体を上記案内部に当接させて該案内部による案内を受けるものとすることを特徴とする請求項８記載の同軸ケーブル接続方法。   The inner conductor is formed at a position facing the second concave portion across the first concave portion, and the inner conductor of the coaxial cable forms the first bottom portion of the first concave portion. When the guide portion for guiding the inner conductor of the coaxial cable to the first bottom portion is provided when being brought into contact with the connection portion, the ultrasonic horn is connected to the coaxial cable through the ultrasonic horn. When the ultrasonic conductor is transmitted to the inner conductor of the first concave portion and is displaced toward the first bottom portion of the first concave portion and the second bottom portion of the second concave portion, the inner conductor of the coaxial cable is moved to the guide portion. The coaxial cable connection method according to claim 8, wherein the guide is received by being guided by the guide portion.
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