JP5058869B2 - Coaxial connector and method of assembling coaxial connector - Google Patents

Coaxial connector and method of assembling coaxial connector Download PDF

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JP5058869B2
JP5058869B2 JP2008104758A JP2008104758A JP5058869B2 JP 5058869 B2 JP5058869 B2 JP 5058869B2 JP 2008104758 A JP2008104758 A JP 2008104758A JP 2008104758 A JP2008104758 A JP 2008104758A JP 5058869 B2 JP5058869 B2 JP 5058869B2
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insulator
conductor terminal
caulking
pair
assembly
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JP2009259484A (en
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秀典 神田
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Yazaki Corp
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Description

本発明は、同軸ケーブルの端末に設けられる同軸コネクタと、この同軸コネクタの組み付けに係る方法とに関する。   The present invention relates to a coaxial connector provided at a terminal of a coaxial cable and a method related to assembly of the coaxial connector.

アンテナ線などの高周波信号伝送に用いられる同軸ケーブルは、一般的に、中心導体としての芯線と、誘電体としての絶縁体と、外部導体としての金属テープ導体及び編組と、外皮としての絶縁シースとを中心から順に備えて構成されている。このような構成の同軸ケーブルには、相手側の機器や同軸ケーブル等に接続するために、端末に同軸コネクタが設けられている（例えば下記特許文献１参照）。   A coaxial cable used for high-frequency signal transmission such as an antenna wire generally includes a core wire as a central conductor, an insulator as a dielectric, a metal tape conductor and a braid as an outer conductor, and an insulating sheath as an outer sheath. In order from the center. The coaxial cable having such a configuration is provided with a coaxial connector at the terminal in order to connect to a counterpart device, a coaxial cable, or the like (see, for example, Patent Document 1 below).

同軸コネクタは、内導体端子及びこの内導体端子を収容する絶縁体を有するとともに、同軸ケーブルの編組を相手側同軸コネクタにアース接続して電磁波や静電気などの電気的ノイズを遮断するための外導体端子を有している。下記特許文献１に開示された外導体端子は、円筒形状の外導体端子本体と、編組接続用の加締め片を有し外導体端子本体の開口部分に嵌合する遮蔽体とを備えて構成されている。   The coaxial connector has an inner conductor terminal and an insulator that accommodates the inner conductor terminal, and an outer conductor for blocking electrical noise such as electromagnetic waves and static electricity by grounding the braid of the coaxial cable to the counterpart coaxial connector. It has a terminal. The outer conductor terminal disclosed in the following Patent Document 1 includes a cylindrical outer conductor terminal main body and a shielding body that has a crimped piece for braid connection and fits into an opening portion of the outer conductor terminal main body. Has been.

下記特許文献１に開示された同軸コネクタの組み付けは、予め絶縁体を外導体端子本体に収容係止しておき、この状態で同軸ケーブルの芯線に接続された内導体端子を外導体端子本体に差し込んで絶縁体に収容係止させ、そして、遮蔽体を外導体端子本体に嵌合させ、最後に遮蔽体の加締め片を同軸ケーブルの編組に加締めて接続することにより完了するようになっている。尚、外導体端子本体に対する絶縁体の差し込み作業、及び絶縁体に対する内導体端子の差し込み作業は、外導体端子本体の軸方向に沿って行われるようになっている。
特開２００３−２９７４９３号公報 In the assembly of the coaxial connector disclosed in Patent Document 1 below, the insulator is accommodated and locked in advance in the outer conductor terminal body, and the inner conductor terminal connected to the core wire of the coaxial cable in this state is attached to the outer conductor terminal body. It is completed by inserting and locking to the insulator, fitting the shield to the outer conductor terminal body, and finally crimping and connecting the crimped piece of the shield to the braid of the coaxial cable. ing. The work of inserting the insulator into the outer conductor terminal body and the work of inserting the inner conductor terminal into the insulator are performed along the axial direction of the outer conductor terminal body.
JP 2003-297493 A

ところで、上記従来技術にあっては、組み付けに係る作業工程が多く、これによって作業性に影響を来してしまうという問題点を有している。また、上記従来技術にあっては、外導体端子本体に対する絶縁体の差し込み作業、及び、外導体端子本体に取り付けた絶縁体に対する内導体端子の差し込み作業が、それぞれ外導体端子本体の軸方向に沿って行われることから、特に小型の部品となる場合には見難く、差し込み量も分かり難いことから、作業性に影響を来してしまうという問題点を有している。   By the way, in the said prior art, there exist many work processes which concern on an assembly | attachment, and this has the problem that workability will be affected. In the above prior art, the inserting operation of the insulator into the outer conductor terminal body and the inserting operation of the inner conductor terminal into the insulator attached to the outer conductor terminal body are respectively performed in the axial direction of the outer conductor terminal body. Therefore, it is difficult to see especially in the case of small parts, and the amount of insertion is also difficult to understand, which has the problem of affecting workability.

さらに、上記従来技術にあっては、外導体端子本体と絶縁体との係止構造、外導体端子本体と遮蔽体との嵌合構造、同軸ケーブルの編組と遮蔽体の加締め片との加締め構造、というような異なる固定に係る構造を複数必要とすることから、設備や作業性に影響を来してしまうという問題点を有している。   Further, in the above prior art, the outer conductor terminal main body and the insulator are locked, the outer conductor terminal main body and the shield are fitted, the coaxial cable braid and the shield crimping piece are added. Since a plurality of structures related to different fixations such as a fastening structure are required, there is a problem that the facilities and workability are affected.

本発明は、上記した事情に鑑みてなされたもので、作業性の向上を図ることが可能な、また、組み付けに係る設備を簡素化することが可能な同軸コネクタ及び同軸コネクタの組み付け方法を提供することを課題とする。   The present invention has been made in view of the above circumstances, and provides a coaxial connector and a method for assembling a coaxial connector that can improve workability and can simplify equipment for assembly. The task is to do.

上記課題を解決するためになされた請求項１記載の本発明の同軸コネクタは、同軸ケーブルと、該同軸ケーブルの芯線に接続される内導体端子と、該内導体端子の一部を露出させた状態でこの外側に設けられる絶縁体と、を少なくとも含む絶縁体アッセンブリ、及び、前記絶縁体を保持するとともに前記同軸ケーブルの編組に接続される一対の編組接続用加締め片を有する略筒状の外導体端子を備え、該外導体端子は、加締め前となる前記編組接続用加締め片の開放側で且つ該編組接続用加締め片の位置から前方に、前記絶縁体アッセンブリの前記絶縁体を前記開放側からセットするための上側開口部を有するとともに、前記絶縁体アッセンブリの前記内導体端子の前記一部を前記開放側からセットするための上側スリットを有し、さらに、前記上側開口部の開口縁に、前記絶縁体を保持する一対の絶縁体保持用加締め片を有することを特徴としている。   The coaxial connector of the present invention according to claim 1, which has been made to solve the above problems, exposes a coaxial cable, an inner conductor terminal connected to a core wire of the coaxial cable, and a part of the inner conductor terminal. An insulator assembly including at least an insulator provided on the outside in a state, and a substantially cylindrical shape having a pair of braid connecting crimping pieces that hold the insulator and are connected to the braid of the coaxial cable An outer conductor terminal, and the outer conductor terminal is on the open side of the braided connection crimping piece before caulking and forward from the position of the braided connection crimping piece, the insulator of the insulator assembly And an upper slit for setting the part of the inner conductor terminal of the insulator assembly from the open side, and Serial to the opening edge of the upper opening, is characterized by having a pair of insulators holding caulking pieces for holding said insulator.

また、請求項２記載の本発明の同軸コネクタは、請求項１に記載の同軸コネクタにおいて、前記絶縁体は、前記一対の絶縁体保持用加締め片により保持される被保持部の前後に環状のフランジ部を有し、前記一対の絶縁体保持用加締め片は、この先端間隔が前記被保持部の直径に合い且つ側部が前記前後のフランジ部に対して当接可能となるように内側に傾く形状に形成されることを特徴としている。   According to a second aspect of the present invention, the coaxial connector according to the first aspect of the present invention is the coaxial connector according to the first aspect, wherein the insulator is annularly arranged in front of and behind a held portion held by the pair of insulator holding caulking pieces. The pair of insulator-holding caulking pieces has a distance between the tips of the flanges so as to match the diameter of the held portion and the side portions can be brought into contact with the front and rear flange portions. It is characterized by being formed in an inwardly inclined shape.

一方、上記課題を解決するためになされた請求項３記載の本発明の同軸コネクタの組み付け方法は、同軸ケーブル、内導体端子、及び絶縁体を少なくとも組み付けて絶縁体アッセンブリを形成する第一工程と、略筒状の外導体端子の上側開口部及び上側スリットを介して前記絶縁体アッセンブリを端子軸直交方向からセットする第二工程と、前記上側開口部の開口縁に形成される一対の絶縁体保持用加締め片を加締めることにより前記絶縁体アッセンブリの前記絶縁体を保持するとともに、前記上側開口部の後方に位置する一対の編組接続用加締め片を加締めることにより前記絶縁体アッセンブリの前記同軸ケーブルの編組との接続を行う第三工程と、を含むことを特徴としている。   On the other hand, a method for assembling the coaxial connector of the present invention according to claim 3, which has been made to solve the above problems, includes a first step of forming an insulator assembly by assembling at least a coaxial cable, an inner conductor terminal, and an insulator. A second step of setting the insulator assembly from the direction perpendicular to the terminal axis through the upper opening and the upper slit of the substantially cylindrical outer conductor terminal; and a pair of insulators formed at the opening edge of the upper opening The insulator assembly of the insulator assembly is held by caulking the holding caulking piece, and the pair of braid connecting caulking pieces located behind the upper opening is swaged to secure the insulator assembly. And a third step of connecting to the braid of the coaxial cable.

このような特徴を有する本発明によれば、絶縁体アッセンブリを形成し、この絶縁体アッセンブリを上側開口部及び上側スリットを介して外導体端子の上側からセットし、そして、少なくとも一対の絶縁体保持用加締め片と一対の編組接続用加締め片とを加締めるだけで同軸コネクタの組み付けが完了する。絶縁体アッセンブリの外導体端子に対するセットは、外導体端子の上から下ろすだけの単純且つ見易い作業となる。同軸コネクタの組み付けは、加締め設備を備えるのみで可能になる。   According to the present invention having such a feature, an insulator assembly is formed, the insulator assembly is set from the upper side of the outer conductor terminal via the upper opening and the upper slit, and at least a pair of insulators is held. The assembly of the coaxial connector is completed simply by caulking the caulking piece for crimping and the pair of caulking pieces for braid connection. The setting of the insulator assembly with respect to the outer conductor terminal is a simple and easy-to-see operation of simply dropping the insulator assembly from above the outer conductor terminal. The coaxial connector can be assembled only by providing a caulking facility.

本発明によれば、一対の絶縁体保持用加締め片を内側に傾くように形成することにより、絶縁体アッセンブリの外導体端子に対するセットがスムーズに行えるようになる。また、セット後の作業もスムーズに行えるようになる。すなわち、一対の絶縁体保持用加締め片を内側に傾けてこれらの間隔を調整することにより、所定位置でのみ絶縁体アッセンブリのセットが可能になるからである。また、セット後は傾けた一対の絶縁体保持用加締め片とフランジ部との当接により絶縁体アッセンブリの前後方向の移動が規制され、加締めを施すまでの間、絶縁体アッセンブリの位置が安定するからである。   According to the present invention, by forming the pair of insulator holding caulking pieces so as to be inclined inward, the insulator assembly can be smoothly set to the outer conductor terminal. Also, the work after setting can be performed smoothly. That is, it is possible to set the insulator assembly only at a predetermined position by tilting the pair of insulator holding caulking pieces inward and adjusting the distance between them. In addition, after the set, the movement of the insulator assembly in the front-rear direction is restricted by the contact between the pair of inclined crimping pieces for holding the insulator and the flange portion. It is because it stabilizes.

請求項１に記載された本発明によれば、編組接続用加締め片の開放側で且つこの編組接続用加締め片の位置から前方に上側開口部及び上側スリットを有し、さらに、上側開口部の開口縁に一対の絶縁体保持用加締め片を有する外導体端子を備えることにより、少なくとも同軸ケーブル、内導体端子、及び絶縁体からなる絶縁体アッセンブリを作業性良く組み付けすることができる。従って、従来よりも作業性の良い同軸コネクタを提供することができるという効果を奏する。また、本発明によれば、加締めのみによって絶縁体アッセンブリを外導体端子に固定及び接続することができる。従って、組み付けに係る設備を従来よりも簡素化することができるという効果を奏する。   According to the present invention described in claim 1, the upper opening and the upper slit are provided on the open side of the braid connection crimping piece and forward from the position of the braid connection crimping piece. By providing the outer conductor terminal having the pair of crimping pieces for holding the insulator at the opening edge of the part, it is possible to assemble at least the coaxial cable, the inner conductor terminal, and the insulator assembly made of the insulator with good workability. Therefore, there is an effect that it is possible to provide a coaxial connector with better workability than before. Further, according to the present invention, the insulator assembly can be fixed and connected to the outer conductor terminal only by caulking. Therefore, there is an effect that the equipment for assembling can be simplified as compared with the related art.

請求項２に記載された本発明によれば、絶縁体アッセンブリのセット位置を明確にすることができるとともに、セット後から加締めを施すまでの間の絶縁体アッセンブリの位置を安定させることができる。従って、作業性の更なる向上を図ることができるという効果を奏する。   According to the second aspect of the present invention, it is possible to clarify the set position of the insulator assembly and to stabilize the position of the insulator assembly from after setting until caulking. . Therefore, there is an effect that workability can be further improved.

請求項３に記載された本発明によれば、従来よりも作業性の向上を図り、また、設備の簡素化も図ることが可能な組み付け方法を提供することができるという効果を奏する。   According to the third aspect of the present invention, there is an effect that it is possible to provide an assembling method capable of improving the workability as compared with the prior art and simplifying the equipment.

以下、図面を参照しながら説明する。図１は本発明の同軸コネクタ及び同軸コネクタの組み付け方法の一実施の形態を示す分解斜視図である。また、図２は一対の絶縁体保持用加締め片を加締めて絶縁体アッセンブリの絶縁体を保持した状態を示す斜視図である。   Hereinafter, description will be given with reference to the drawings. FIG. 1 is an exploded perspective view showing an embodiment of a coaxial connector and a method of assembling the coaxial connector according to the present invention. FIG. 2 is a perspective view showing a state in which a pair of insulator holding caulking pieces is caulked to hold the insulator of the insulator assembly.

図１において、同軸コネクタは、同軸ケーブル１の端末に設けられるコネクタであって、内導体端子２と絶縁体３と外導体端子４とを備えて構成されている。本発明の同軸コネクタは、同軸ケーブル１と内導体端子２と絶縁体３とによりなる絶縁体アッセンブリ５を外導体端子４に接続固定する組み付けによって形成されている。先ず各構成部材について説明する。   In FIG. 1, the coaxial connector is a connector provided at the end of the coaxial cable 1, and includes an inner conductor terminal 2, an insulator 3, and an outer conductor terminal 4. The coaxial connector of the present invention is formed by an assembly in which an insulator assembly 5 including a coaxial cable 1, an inner conductor terminal 2, and an insulator 3 is connected and fixed to an outer conductor terminal 4. First, each component will be described.

図１及び図２において、絶縁体アッセンブリ５は、同軸ケーブル１の端末を含んで構成されている。同軸ケーブル１は、公知のものであって、中心導体としての芯線６と、誘電体としての絶縁体７と、外部導体としての金属テープ導体８及び編組９と、外皮としての絶縁シース１０とを中心から順に備えて構成されている。同軸ケーブル１は、芯線６が所定の長さで露出するように加工されている。編組９は、絶縁シース１０の上に折り返されて外導体端子４との接続が可能な状態に加工されている。   1 and 2, the insulator assembly 5 includes a terminal of the coaxial cable 1. The coaxial cable 1 is a known one, and includes a core wire 6 as a central conductor, an insulator 7 as a dielectric, a metal tape conductor 8 and a braid 9 as external conductors, and an insulating sheath 10 as an outer sheath. They are arranged in order from the center. The coaxial cable 1 is processed so that the core wire 6 is exposed with a predetermined length. The braid 9 is folded back onto the insulating sheath 10 so as to be connected to the outer conductor terminal 4.

内導体端子２は、導電性を有する金属製の部材であって、電気接触部１１と、この電気接触部１１に連続する芯線接続部１２とを有している。芯線接続部１２は、一対の加締め片となる形状に形成されており、同軸ケーブル１の芯線６を加締めによって接続固定することができるようになっている。内導体端子２は、この中間に例えばコンデンサなどの電子部品を実装していてもよいものとする。   The inner conductor terminal 2 is a metal member having conductivity, and includes an electrical contact portion 11 and a core wire connection portion 12 that is continuous with the electrical contact portion 11. The core wire connecting portion 12 is formed in a shape to be a pair of caulking pieces, and the core wire 6 of the coaxial cable 1 can be connected and fixed by caulking. The inner conductor terminal 2 may be mounted with an electronic component such as a capacitor in the middle.

絶縁体３は、所謂誘電体であって、絶縁性を有する合成樹脂材料を用いて成形されている（例えばフープ成形によって内導体端子２の中間に一体化する。又は、内導体端子２を挿入可能とする略円筒形状の部品として成形する。絶縁体３は、インナーハウジングと呼ばれることもある）。絶縁体３は、内導体端子２の電気接触部１１及び芯線接続部１２を図示の如く露出させるように形成されている。   The insulator 3 is a so-called dielectric, and is molded using a synthetic resin material having insulation (for example, it is integrated in the middle of the inner conductor terminal 2 by hoop molding. Alternatively, the inner conductor terminal 2 is inserted. It is molded as a substantially cylindrical part that can be made (the insulator 3 is sometimes called an inner housing). The insulator 3 is formed so as to expose the electrical contact portion 11 and the core wire connection portion 12 of the inner conductor terminal 2 as illustrated.

絶縁体３の外周面には、外導体端子４との固定に係る被保持部１３が形成されている。また、この被保持部１３の前後には、被保持部１３よりも大きな直径となる環状のフランジ部１４、１５が形成されている。フランジ部１４、１５には、被保持部１３との段差によって当接面１６、１７が形成されている。尚、被保持部１３及び当接面１６、１７に関しては後述する。   A held portion 13 is formed on the outer peripheral surface of the insulator 3 to be fixed to the outer conductor terminal 4. In addition, annular flange portions 14 and 15 having a diameter larger than that of the held portion 13 are formed before and after the held portion 13. Abutting surfaces 16 and 17 are formed on the flange portions 14 and 15 by steps with the held portion 13. The held portion 13 and the contact surfaces 16 and 17 will be described later.

外導体端子４は、導電性を有する金属板をプレス加工することにより略円筒状となる形状に形成されている。ここで引用符号１８を外導体端子４の前部、引用符号１９を中間部、引用符号２０を後部とすると、前部１８及びこの近傍は、図示しない相手コネクタとの接続部分として形成されている。前部１８は、円筒状（環状）に形成されている。   The outer conductor terminal 4 is formed into a substantially cylindrical shape by pressing a conductive metal plate. Here, when the reference numeral 18 is the front part of the outer conductor terminal 4, the reference numeral 19 is the intermediate part, and the reference numeral 20 is the rear part, the front part 18 and the vicinity thereof are formed as a connection part with a mating connector (not shown). . The front portion 18 is formed in a cylindrical shape (annular shape).

前部１８の上側には（通常、プレス加工により合わせ目が生じる部分には）、上側スリット２１が形成されている。上側スリット２１は、内導体端子２の電気接触部１１を通過させるためのスリットとして形成されている。上側スリット２１は、電気接触部１１の通過に必要十分な幅で形成されている（高周波性能を低下させるような幅のスリットではないものとする）。   An upper slit 21 is formed on the upper side of the front portion 18 (usually at a portion where a seam is generated by pressing). The upper slit 21 is formed as a slit for allowing the electrical contact portion 11 of the inner conductor terminal 2 to pass therethrough. The upper slit 21 is formed with a width that is necessary and sufficient for the passage of the electrical contact portion 11 (assuming that it is not a slit having such a width that the high-frequency performance is degraded).

外導体端子４の後部２０には、一対の編組接続用加締め片２２と、一対のシース固定用加締め片２３とが形成されている。一対の編組接続用加締め片２２及びシース固定用加締め片２３は、前後方向に並ぶように配置されている。また、一対の編組接続用加締め片２２及びシース固定用加締め片２３は、各先端が次第に外側に開くような形状に形成されている。   A pair of braided connecting crimping pieces 22 and a pair of sheath fixing crimping pieces 23 are formed on the rear portion 20 of the outer conductor terminal 4. The pair of braid connecting caulking pieces 22 and the sheath fixing caulking piece 23 are arranged in a line in the front-rear direction. Further, the pair of braid connecting crimping pieces 22 and the sheath fixing crimping piece 23 are formed in such a shape that their tips gradually open outward.

一対の編組接続用加締め片２２は、同軸ケーブル１の編組９を加締めによって接続固定することができるように形成されている。また、一対のシース固定用加締め片２３は、絶縁シース１０を加締めによって固定することができるように形成されている。一対の編組接続用加締め片２２は、一対のシース固定用加締め片２３よりも長く突出するように形成されている。一対の編組接続用加締め片２２及びシース固定用加締め片２３は、これらの加締め前において、引用符号２４で示す部分が開放状態となるように形成されている。   The pair of braid connecting caulking pieces 22 is formed so that the braid 9 of the coaxial cable 1 can be connected and fixed by caulking. The pair of sheath fixing caulking pieces 23 are formed so that the insulating sheath 10 can be fixed by caulking. The pair of braid connection crimping pieces 22 are formed so as to protrude longer than the pair of sheath fixing crimping pieces 23. The pair of braid connecting caulking pieces 22 and the sheath fixing caulking piece 23 are formed so that a portion indicated by reference numeral 24 is opened before the caulking.

外導体端子４の中間部１９には、前部１８に連続するとともに、後部２０の一対の編組接続用加締め片２２に連続し、且つ半円筒状となる形状の下側基部２５が形成されている。また、中間部１９には、この中間部１９の上側を開口する上側開口部２６と、インピーダンス整合を図る部分としての筒部２７とが形成されている。筒部２７は、上側開口部２６の後方に配置形成されている。   In the intermediate portion 19 of the outer conductor terminal 4, a lower base portion 25 is formed which is continuous with the front portion 18, is continuous with the pair of braid connection crimping pieces 22 of the rear portion 20, and has a semicylindrical shape. ing. The intermediate portion 19 is formed with an upper opening portion 26 that opens on the upper side of the intermediate portion 19 and a cylindrical portion 27 as a portion for impedance matching. The cylindrical portion 27 is disposed and formed behind the upper opening portion 26.

上側開口部２６の開口縁には、絶縁体アッセンブリ５の絶縁体７を加締めにより保持するための一対の絶縁体保持用加締め片２８が形成されている。一対の絶縁体保持用加締め片２８は、上側開口部２６の前後方向中間位置に配置形成されている。一対の絶縁体保持用加締め片２８は、この先端間隔Ａが絶縁体アッセンブリ５の被保持部１３の直径Ｂに合い（例えばＡ≒Ｂ）且つ側部２９が絶縁体アッセンブリ５のフランジ部１４、１５における当接面１６、１７に対して当接可能となるように内側に傾く形状に形成されている。   A pair of insulator holding crimping pieces 28 for holding the insulator 7 of the insulator assembly 5 by crimping is formed at the opening edge of the upper opening 26. The pair of insulator-holding caulking pieces 28 is disposed and formed at an intermediate position in the front-rear direction of the upper opening 26. The pair of insulator-holding caulking pieces 28 has a distance A between the ends thereof that matches the diameter B of the held portion 13 of the insulator assembly 5 (for example, A≈B) and the side portion 29 of the flange portion 14 of the insulator assembly 5. , 15 so as to be in contact with the contact surfaces 16, 17 so as to be inwardly inclined.

筒部２７は、下側基部２５の形状と合わせて円筒状（環状）となるように形成されている。筒部２７の上側には（通常、プレス加工により合わせ目が生じる部分には）、上側スリット３０が形成されている。上側スリット３０は、内導体端子２の芯線接続部１２を通過させるためのスリットとして形成されている。上側スリット３０は、芯線接続部１２の通過に必要十分な幅で形成されている（高周波性能を低下させるような幅のスリットではないものとする）。   The cylindrical portion 27 is formed to be cylindrical (annular) in combination with the shape of the lower base portion 25. An upper slit 30 is formed on the upper side of the cylindrical portion 27 (usually at a portion where a seam is generated by pressing). The upper slit 30 is formed as a slit for allowing the core wire connecting portion 12 of the inner conductor terminal 2 to pass therethrough. The upper slit 30 is formed with a width necessary and sufficient for passage through the core wire connecting portion 12 (assuming that it is not a slit having such a width as to reduce high-frequency performance).

次に、上記構成及び構造に基づきながら同軸コネクタの組み付け方法について一例を説明する。同軸コネクタの組み付け方法は、絶縁体アッセンブリ５を形成する第一工程と、外導体端子４の上側開口部２６及び上側スリット２１、３０を介して絶縁体アッセンブリ５を端子軸直交方向から外導体端子４にセットする第二工程と、一対の絶縁体保持用加締め片２８を加締めることにより絶縁体アッセンブリ５の絶縁体３を保持するとともに、一対の編組接続用加締め片２２及び一対のシース固定用加締め片２３をそれぞれ加締めることにより絶縁体アッセンブリ５の同軸ケーブル１との接続固定を行う第三工程とを含んでいる。以下、組み付け方法についてもう少し詳しく説明する。   Next, an example of a method for assembling the coaxial connector will be described based on the above configuration and structure. The method of assembling the coaxial connector includes the first step of forming the insulator assembly 5 and the outer conductor terminal from the direction orthogonal to the terminal axis through the upper opening 26 and the upper slits 21 and 30 of the outer conductor terminal 4. 4 and a pair of insulator holding caulking pieces 28 to hold the insulator 3 of the insulator assembly 5, and a pair of braid connecting caulking pieces 22 and a pair of sheaths. And a third step of connecting and fixing the insulator assembly 5 to the coaxial cable 1 by caulking the fixing caulking pieces 23. Hereinafter, the assembly method will be described in more detail.

内導体端子２の一部を露出させるように絶縁体３を設けるとともに、内導体端子２の芯線接続部１２と同軸ケーブル１の芯線６とを加締めて接続固定をすると、第一工程となる絶縁体アッセンブリ５の組み付けが完了する。そして、このような絶縁体アッセンブリ５を上側開口部２６及び上側スリット２１、３０を介して外導体端子４の上側から単に下ろして外導体端子４にセットすると、第二工程が完了する。これにより、絶縁体アッセンブリ５の外導体端子４に対するセット状態が形成される。この時、絶縁体アッセンブリ４の被保持部１３の直径Ｂと、外導体端子４の一対の絶縁体保持用加締め片２８の先端間隔Ａとがほぼ同じ寸法に調整されていることから、所定位置でのみ絶縁体アッセンブリ５のセットが可能になる。   When the insulator 3 is provided so as to expose a part of the inner conductor terminal 2 and the core wire connecting portion 12 of the inner conductor terminal 2 and the core wire 6 of the coaxial cable 1 are crimped to fix the connection, the first step is performed. The assembly of the insulator assembly 5 is completed. Then, when such an insulator assembly 5 is simply lowered from the upper side of the outer conductor terminal 4 through the upper opening 26 and the upper slits 21 and 30 and set to the outer conductor terminal 4, the second step is completed. Thereby, the set state with respect to the outer conductor terminal 4 of the insulator assembly 5 is formed. At this time, the diameter B of the held portion 13 of the insulator assembly 4 and the distance A between the tip ends of the pair of insulator holding crimping pieces 28 of the outer conductor terminal 4 are adjusted to be approximately the same size. The insulator assembly 5 can be set only at the position.

尚、特に図示しないが、上記セット状態においては、一対の絶縁体保持用加締め片２８とフランジ部１４、１５とによって絶縁体アッセンブリ５の前後方向の移動が規制され、これによりセット位置が安定する。具体的には、絶縁体保持用加締め片２８の側部２９と被保持部１３の当接面１６、１７との当接によって前後方向の移動が規制されることから、絶縁体アッセンブリ５のセット位置が安定する。   Although not particularly illustrated, in the set state, the pair of insulator holding caulking pieces 28 and the flange portions 14 and 15 restrict the movement of the insulator assembly 5 in the front-rear direction, thereby stabilizing the set position. To do. Specifically, since the movement in the front-rear direction is restricted by the contact between the side portion 29 of the insulator holding crimping piece 28 and the contact surfaces 16, 17 of the held portion 13, the insulator assembly 5 Set position is stable.

絶縁体アッセンブリ５を外導体端子４にセットした後、一対の絶縁体保持用加締め片２８を加締めると、絶縁体アッセンブリ５の絶縁体３における被保持部１３が保持される（図２参照）。また、一対のシース固定用加締め片２３を加締めると、絶縁体アッセンブリ５の同軸ケーブル１における絶縁シース１０が保持される。絶縁体アッセンブリ５は、これら二箇所で保持されることにより外導体端子４との固定が完了する。また、一対の編組接続用加締め片２２を加締めると、絶縁体アッセンブリ５の同軸ケーブル１における編組９が編組接続用加締め片２２に接触し、外導体端子４に対する接続が完了する。以上により、組み付けが完了し、同軸コネクタが形成される。   After the insulator assembly 5 is set on the outer conductor terminal 4, when the pair of insulator holding crimping pieces 28 is crimped, the held portion 13 of the insulator 3 of the insulator assembly 5 is held (see FIG. 2). ). Further, when the pair of sheath fixing caulking pieces 23 are caulked, the insulating sheath 10 in the coaxial cable 1 of the insulator assembly 5 is held. The insulator assembly 5 is held at these two locations to complete the fixing with the outer conductor terminal 4. Further, when the pair of braided connection crimping pieces 22 is crimped, the braid 9 in the coaxial cable 1 of the insulator assembly 5 comes into contact with the braided connection crimping piece 22, and the connection to the outer conductor terminal 4 is completed. As a result, the assembly is completed and a coaxial connector is formed.

本発明の同軸コネクタによれば、絶縁体アッセンブリ５の外導体端子４に対するセットが上から下ろすだけの単純且つ見易い作業となり、また、セット後は、加締めるだけの作業で組み付けが完了することから、従来よりも作業性の向上を図ることができるという効果を奏する。また、組み付けに係る設備を従来よりも簡素化することができるという効果を奏する。   According to the coaxial connector of the present invention, the setting of the insulator assembly 5 with respect to the outer conductor terminal 4 becomes a simple and easy-to-see operation in which the assembly is simply lowered, and after the setting, the assembly is completed by simply crimping. As a result, it is possible to improve the workability as compared with the prior art. Moreover, there exists an effect that the installation equipment can be simplified more than before.

本発明は本発明の主旨を変えない範囲で種々変更実施可能なことは勿論である。   It goes without saying that the present invention can be variously modified without departing from the spirit of the present invention.

本発明の同軸コネクタ及び同軸コネクタの組み付け方法の一実施の形態を示す分解斜視図である。It is a disassembled perspective view which shows one Embodiment of the assembly method of the coaxial connector and coaxial connector of this invention. 一対の絶縁体保持用加締め片を加締めて絶縁体アッセンブリの絶縁体を保持した状態を示す斜視図である。It is a perspective view which shows the state which hold | maintained the insulator of the insulator assembly by crimping a pair of crimping piece for insulator holding.

符号の説明Explanation of symbols

１ 同軸ケーブル
２ 内導体端子
３ 絶縁体
４ 外導体端子
５ 絶縁体アッセンブリ
６ 芯線
７ 絶縁体
８ 金属テープ導体
９ 編組
１０ 絶縁シース
１１ 電気接触部
１２ 芯線接続部
１３ 被保持部
１４、１５ フランジ部
１６、１７ 当接面
２１、３０ 上側スリット
２２ 編組接続用加締め片
２３ シース固定用加締め片
２５ 下側基部
２６ 上側開口部
２７ 筒部
２８ 絶縁体保持用加締め片
２９ 側部 DESCRIPTION OF SYMBOLS 1 Coaxial cable 2 Inner conductor terminal 3 Insulator 4 Outer conductor terminal 5 Insulator assembly 6 Core wire 7 Insulator 8 Metal tape conductor 9 Braiding 10 Insulation sheath 11 Electrical contact part 12 Core wire connection part 13 Held part 14, 15 Flange part 16 , 17 Abutment surface 21, 30 Upper slit 22 Braiding connection caulking piece 23 Sheath fixing caulking piece 25 Lower base portion 26 Upper opening portion 27 Tube portion 28 Insulator holding caulking piece 29 Side portion

Claims (3)

同軸ケーブルと、該同軸ケーブルの芯線に接続される内導体端子と、該内導体端子の一部を露出させた状態でこの外側に設けられる絶縁体と、を少なくとも含む絶縁体アッセンブリ、及び、前記絶縁体を保持するとともに前記同軸ケーブルの編組に接続される一対の編組接続用加締め片を有する略筒状の外導体端子を備え、
該外導体端子は、加締め前となる前記編組接続用加締め片の開放側で且つ該編組接続用加締め片の位置から前方に、前記絶縁体アッセンブリの前記絶縁体を前記開放側からセットするための上側開口部を有するとともに、前記絶縁体アッセンブリの前記内導体端子の前記一部を前記開放側からセットするための上側スリットを有し、さらに、前記上側開口部の開口縁に、前記絶縁体を保持する一対の絶縁体保持用加締め片を有する
ことを特徴とする同軸コネクタ。 An insulator assembly including at least a coaxial cable, an inner conductor terminal connected to a core wire of the coaxial cable, and an insulator provided on the outer side in a state in which a part of the inner conductor terminal is exposed; and A substantially cylindrical outer conductor terminal having a pair of braided connection crimping pieces that hold an insulator and is connected to the braid of the coaxial cable;
The outer conductor terminal sets the insulator of the insulator assembly from the open side on the open side of the braided connecting crimping piece before the caulking and forward from the position of the braided connecting caulking piece. And having an upper slit for setting the part of the inner conductor terminal of the insulator assembly from the open side, and at the opening edge of the upper opening, A coaxial connector comprising a pair of insulator holding caulking pieces for holding an insulator. 請求項１に記載の同軸コネクタにおいて、
前記絶縁体は、前記一対の絶縁体保持用加締め片により保持される被保持部の前後に環状のフランジ部を有し、
前記一対の絶縁体保持用加締め片は、この先端間隔が前記被保持部の直径に合い且つ側部が前記前後のフランジ部に対して当接可能となるように内側に傾く形状に形成される
ことを特徴とする同軸コネクタ。 The coaxial connector according to claim 1, wherein
The insulator has an annular flange portion before and after the held portion held by the pair of insulator holding crimping pieces,
The pair of insulator-holding caulking pieces are formed in a shape inclined inward so that the distance between the tips matches the diameter of the held portion and the side portion can come into contact with the front and rear flange portions. A coaxial connector characterized by 同軸ケーブル、内導体端子、及び絶縁体を少なくとも組み付けて絶縁体アッセンブリを形成する第一工程と、
略筒状の外導体端子の上側開口部及び上側スリットを介して前記絶縁体アッセンブリを端子軸直交方向からセットする第二工程と、
前記上側開口部の開口縁に形成される一対の絶縁体保持用加締め片を加締めることにより前記絶縁体アッセンブリの前記絶縁体を保持するとともに、前記上側開口部の後方に位置する一対の編組接続用加締め片を加締めることにより前記絶縁体アッセンブリの前記同軸ケーブルの編組との接続を行う第三工程と、
を含む
ことを特徴とする同軸コネクタの組み付け方法。 A first step of assembling at least a coaxial cable, an inner conductor terminal, and an insulator to form an insulator assembly;
A second step of setting the insulator assembly from the direction orthogonal to the terminal axis through the upper opening and the upper slit of the substantially cylindrical outer conductor terminal;
A pair of braids that hold the insulator of the insulator assembly by caulking a pair of insulator-holding caulking pieces formed at the opening edge of the upper opening and that are positioned behind the upper opening A third step of connecting the braided coaxial cable of the insulator assembly by caulking a caulking piece for connection;
A method for assembling a coaxial connector, comprising:
JP2008104758A 2008-04-14 2008-04-14 Coaxial connector and method of assembling coaxial connector Expired - Fee Related JP5058869B2 (en)

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