JP4072940B2 - Electrical connector structure - Google Patents

Electrical connector structure Download PDF

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Publication number
JP4072940B2
JP4072940B2 JP2001324485A JP2001324485A JP4072940B2 JP 4072940 B2 JP4072940 B2 JP 4072940B2 JP 2001324485 A JP2001324485 A JP 2001324485A JP 2001324485 A JP2001324485 A JP 2001324485A JP 4072940 B2 JP4072940 B2 JP 4072940B2
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Japan
Prior art keywords
shell
ground terminal
contact
electrical connector
connector structure
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JP2001324485A
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Japanese (ja)
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JP2003133005A (en
Inventor
博孝 前場
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Hirose Electric Co Ltd
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Hirose Electric Co Ltd
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Description

【0001】
【発明の属する技術分野】
本発明は電子機器等に使用する多極コネクタとしての電気コネクタ構造に関するものである。
【0002】
【従来の技術】
従来のこの種の電気コネクタ構造としては、レセプタクル(図示せず)に結合されるプラグ50が該当する。そして、このプラグ50は、図13及び図14に示すように、金属材料からなる略円筒形状のシェル52と、このシェル52内にあって絶縁材料からなる絶縁ハウジング53と、絶縁ハウジング53に複数列保持されている端子54とを備えている。
【0003】
シェル52は、その前部にはレセプタクルのレセプタクルシェル(図示せず)内に挿入される結合部55が形成してあり、この結合部55にはビス孔部56が設けてある。
【0004】
また、端子54の一つをグランド端子54−1とし、このグランド端子54−1には接触面部54aが形成してある。
【0005】
そして、グランド端子54−1はアース金具57を介して結合部55に電気接続してある。すなわち、アース金具57はU字形状をなしており、このアース金具57の屈曲部にはねじ孔部58が設けてある。そして、結合部55に、そのビス孔部56に挿通したビス59をねじ孔部58に螺合してアース金具57を取り付け、このアース金具57の両端部の内面の接触面部57aをグランド端子54−1の接触面部54aに接触させてア−スを取るようにしていた。
【0006】
【発明が解決しようとする課題】
上記した従来の電気コネクタ構造におけるプラグ50にあっては、シェル52の結合部55にビス59によりアース金具57を取り付け、このアース金具57の両端部の内面の接触面部57aをグランド端子54−1の接触面部54aに接触させるようにしており、グランド端子54−1とシェル52との間に複数の部品(ビス59及びアース金具57)を入れなければ、グランド端子54−1のアースを取ることができない構造になっていたために、部品点数が多くなり、組立工数が増えるという問題点があった。
【0007】
本発明は上記の問題点に着目して成されたものであって、その目的とするところは、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる電気コネクタ構造を提供することにある。
【0008】
【課題を解決するための手段】
上記の目的を達成するために、本発明に係る電気コネクタ構造は、導電性を有するシェルで覆われた絶縁ハウジングにグランド端子装着孔を設けて、このグランド端子装着孔にグランド端子を装着して、このグランド端子をシェルに導通させるようにした電気コネクタ構造であって、グランド端子に、このグランド端子と一体にしてシェル接触部を設け、グランド端子をグランド端子装着孔に装着し、シェル接触部をシェルの内周部に設けられたグランド端子接触部に直接接触させて、グランド端子をシェルに導通させるように構成する場合、グランド端子接触部は、一対の接触面を有する挿入溝部と、この挿入溝部からシェル内に抜ける連絡部とで構成してあり、シェル接触部は、グランド端子の径方向に突出する支持部に挿入部を形成し、この挿入部の両外面部にそれぞれ接点部を形成して構成してあり、絶縁ハウジングの周部にはグランド端子装着孔に連絡する連絡溝部が設けてあり、シェルの内部に絶縁ハウジングを挿入して、連絡溝部を連絡部に一致させ、シェル接触部の支持部を連絡溝部及び連絡部に挿入すると共に、シェル接触部の挿入部を挿入溝部に挿入して、挿入部の両接点部を挿入溝部の両接触面にそれぞれ接触させるようにしたものである。
【0012】
かかる構成により、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【0013】
【発明の実施の形態】
以下、本発明の実施の形態を図面に基づいて説明する。
【0014】
図1は本発明に係る電気コネクタ構造の正面図、図2は同電気コネクタ構造において図1のA−A線に沿う断面を有する側面図、図3は図1のB−B線に沿う断面図である。
【0015】
本発明に係る電気コネクタ構造としてのプラグ1は、本体ブロック3とカップリング4とコ−ド管5とから構成してある。
【0016】
本体ブロック3は、金属材料からなる略円筒形状のシェル6と、このシェル6内にあって絶縁材料からなる絶縁ハウジング7と、絶縁ハウジング7に複数列保持されている雌端子8及びグランド端子9と、シェル6内にあって雌端子8及びグランド端子9を押える絶縁材料からなる押え部材10とを備えている。
【0017】
シェル6の前部(図4において左部、相手コネクタに対向する側を前部とする)には、相手コネクタ、すなわちレセプタクルのレセプタクルシェル(いずれも図示せず)内に挿入される結合部12が、中間部にはカップリング4およびパッキン13を係止するためのフランジ部14がそれぞれ形成してあり、また、シェル6の後部はコ−ド管5が螺合するねじ部材2に取り付けてある。そして、結合部12には割溝部12aが形成してある(図1及び図2参照)。
【0018】
また、シェル6には、図4及び図5に示すように、その内周部の後部に位置させてグランド端子接触部15が設けてある。このグランド端子接触部15は、シェル6の内周面6aに形成された圧入溝形成部16を有しており、この圧入溝形成部16のシェル6の中心側に対向する側は平坦面16aになされており、圧入溝形成部16には、その後面部16bから前方に向かって圧入溝部17が形成してある。
【0019】
この圧入溝部17は断面T形状であって、接触面17cを有する挿入溝部17aと、この挿入溝部17aから平坦面16aに抜ける連絡部17bとで構成してある。また、シェル6には、その内周面6aの後部に位置させてリング溝6bが形成してある。
【0020】
絶縁ハウジング7は、図6及び図7に示すように合成樹脂製の円筒状ブロックより成るハウジング本体18を備えており、このハウジング本体18には、その前後に貫通させて4本の端子装着孔19が等間隔に形成してあり、これら4本の端子装着孔19の内の3つは雌端子(信号端子)用であり、他の一つがグランド端子用である。
【0021】
そして、ハウジング本体18には、シェル6のグランド端子接触部15に対向する側は平坦面20になされている。そして、この平坦面20にはグランド端子用の端子装着孔19−1に連絡する連絡溝部21が前後方向に形成してある。
【0022】
雌端子8は、図2に示すようにコード接続部8aと端子接触部8bを備えている。
【0023】
また、グランド端子9は、図8乃至図10に示すようにコード接続部9aと端子接触部9bとこれらの間にある閉塞部9cとを備えており、端子接触部9bの閉塞部9c寄りにはシェル接触部22がグランド端子9と一体に形成してある。
【0024】
シェル接触部22は、グランド端子9の径方向に突出する支持部23の先部に挿入部24を形成し、この挿入部24の外面部に一対の接点部25を形成して構成してある。
【0025】
押え部材10は、図2に示すように合成樹脂製の円盤状のブロックより成り、その面部に4本の接触子貫通孔28が等間隔に形成してある。
【0026】
そして、シェル6の内部には絶縁ハウジング7が挿入してある。この場合、図11及び図12に示すようにハウジング本体18の平坦面20側をシェル6の圧入溝形成部16に位置させて両平坦面20、16aを合わせてあり、端子装着孔19−1の連絡溝部21が圧入溝部17の連絡部17bに一致している。
【0027】
そして、絶縁ハウジング7には、その3つの端子装着孔19に雌端子8が、1つの端子装着孔19−1にグランド端子9がそれぞれ装着してある。
【0028】
この場合、グランド端子9の装着は、図11及び図12に示すように、グランド端子9に設けたシェル接触部22の支持部23を連絡溝部21及び圧入溝部17の連絡部17bに挿入すると共に、グランド端子9のシェル接触部22の挿入部24を挿入溝部17aに挿入(圧入)し、この挿入部24の外面部に設けた一対の接点部25を挿入溝部17aの接触面17cに接触させて行われている。
【0030】
この状態で、シェル6内に押え部材10を挿入して、この押え部材10の接触子貫通孔28に雌端子8およびグランド端子9を挿入固着し、絶縁ハウジング7の後端部に押え部材10を被せ、抜け止めリング32をシェル6の内面部のリング溝6bに嵌合して押え部材10を押えて絶縁ハウジング7がシェル6内に収容されており、これらで本体ブロック3が構成されている。
【0031】
そして、この本体ブロック3には、シェル6のフランジ部14にその端部内側のフランジ部4aを掛けてカップリング4が回転可能に取り付けてあり、また、シェル6に取り付けたねじ部材2にはコ−ド管5が螺装してある。
【0032】
このように構成されたプラグ1においては、その雌端子8およびグランド端子9のコ−ド接続部8a、9aにコ−ド(図示せず)が半田付けされる。
【0033】
なお、相手側コネクタであるレセプタクルは、円筒状のレセプタクルシェルを備えており、このレセプタクルシェル内には、端子保持部材を介して4本の雄端子(いずれも図示せず)が等間隔で装着してある。
【0034】
そして、プラグ1のシェル6の結合部12をレセプタクルのレセプタクルシェル内に挿入し雌端子8及びグランド端子9に雄端子を挿入して両端子を接触させる。このようにして、両端子が接触したならカップリング4をレセプタクルシェルの螺子部(図示せず)に螺合し、プラグ1をレセプタクルに結合する。
【0035】
したがって、グランド端子9はシェル6、レセプタクルシェルを介してレセプタクルの取付部材(図示せず)に導通し接地される。
【0036】
上記した本実施の形態においては、グランド端子9をグランド端子装着孔19−1に装着した際に、グランド端子9と一体に形成されたシェル接触部22の支持部23を連絡溝部21及び連絡部17bに挿入すると共に、シェル接触部22の挿入部24を挿入溝部17aに挿入し、接点部25を挿入溝部17aの接触面17cに接触させて、グランド端子9をシェル6に導通させることができる。このために、グランド端子9をシェル6に導通させるのに、ビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【0037】
なお、上記した本実施の形態においては、信号端子に雌端子8を使用したが信号端子に雄端子を使用する様にしても良い。
【0038】
【発明の効果】
以上説明したように、本発明に係る電気コネクタ構造によれば、グランド端子をグランド端子装着孔に装着した際に、グランド端子と一体のシェル接触部をシェルの内周部に設けられたグランド端子接触部に直接接触させて、グランド端子をシェルに導通させることができる。このために、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【0039】
また、本発明に係る電気コネクタ構造によれば、グランド端子に設けられたシェル接触部をグランド端子接触部の圧入溝部へ挿入し、シェル接触部をシェルに接触させるようにしたことにより、グランド端子をグランド端子装着孔に装着した際に、グランド端子と一体のシェル接触部をシェルのグランド端子接触部に直接接触させて、グランド端子をシェルに導通させることができる。このために、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【0040】
また、本発明に係る電気コネクタ構造によれば、グランド端子をグランド端子装着孔に装着した際に、グランド端子と一体のシェル接触部の挿入部を挿入溝部に挿入して、この挿入部を挿入溝部の接触面に接触させて、グランド端子をシェルに導通させることができる。このために、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【0041】
また、本発明に係る電気コネクタ構造によれば、グランド端子をグランド端子装着孔に装着した際に、シェル接触部の支持部を連絡溝部及び連絡部に挿入すると共に、シェル接触部の挿入部を挿入溝部に挿入し、接点部を挿入溝部の接触面に接触させて、グランド端子をシェルに導通させることができる。このために、グランド端子をシェルに導通させるのに、グランド端子とシェルとの間にビス及びアース金具を介在させる必要がなくなって、部品点数が削減できて組立工数も少なくなり、製作コストの低減を図ることができる。
【図面の簡単な説明】
【図1】本発明に係る電気コネクタ構造の正面図である。
【図2】同電気コネクタ構造において図1のA−A線に沿う断面を有する側面図である。
【図3】図1のB−B線に沿う断面図である。
【図4】同電気コネクタ構造における、カップリングを備えた状態のシェルの一部省略した縦断面図である。
【図5】図4のC方向からの部分矢視図である。
【図6】同電気コネクタ構造における絶縁ハウジングの正面図である。
【図7】同絶縁ハウジングの側面図である。
【図8】同電気コネクタ構造におけるグランド端子の一部破断した平面図である。
【図9】同電気コネクタ構造におけるグランド端子の一部破断した側面図である。
【図10】図9のD−D線に沿う断面図である。
【図11】同電気コネクタ構造においてグランド端子装着孔にグランド端子を圧入した状態の説明図である。
【図12】図11のF−F線に沿う断面図である。
【図13】従来の電気コネクタ構造の一部省略した縦断面図である。
【図14】図13のG−G線に沿う断面図である。
【符号の説明】
1 プラグ
3 本体ブロック
6 シェル
7 絶縁ハウジング
8 雌端子
9 グランド端子
10 押え部材
15 グランド端子接触部
16 圧入溝形成部
17 圧入溝部
17a 挿入溝部
17b 連絡部
17c 接触面
18 ハウジング本体
19 端子装着孔
19−1 端子装着孔
21 連絡溝部
22 シェル接触部
23 支持部
24 挿入部
25 接点部
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector structure as a multipolar connector used in an electronic device or the like.
[0002]
[Prior art]
A conventional electrical connector structure of this type corresponds to a plug 50 that is coupled to a receptacle (not shown). As shown in FIGS. 13 and 14, the plug 50 includes a substantially cylindrical shell 52 made of a metal material, an insulating housing 53 made of an insulating material in the shell 52, and a plurality of plugs in the insulating housing 53. And a terminal 54 held in a row.
[0003]
The shell 52 is formed with a coupling portion 55 inserted into a receptacle shell (not shown) of the receptacle at a front portion thereof, and the coupling portion 55 is provided with a screw hole portion 56.
[0004]
One of the terminals 54 is a ground terminal 54-1, and a contact surface portion 54a is formed on the ground terminal 54-1.
[0005]
The ground terminal 54-1 is electrically connected to the coupling portion 55 via the ground metal fitting 57. That is, the ground metal fitting 57 is U-shaped, and a screw hole 58 is provided in a bent portion of the ground metal fitting 57. Then, a screw 59 inserted through the screw hole 56 is screwed into the screw hole 58 and the ground metal fitting 57 is attached to the connecting portion 55, and the contact surface portions 57 a on the inner surfaces of both ends of the ground metal fitting 57 are connected to the ground terminal 54. The contact surface portion 54a of -1 is brought into contact with the earth.
[0006]
[Problems to be solved by the invention]
In the plug 50 in the conventional electrical connector structure described above, the ground metal fitting 57 is attached to the coupling portion 55 of the shell 52 with the screw 59, and the contact surface portions 57a on the inner surfaces of both ends of the ground metal fitting 57 are connected to the ground terminal 54-1. The ground terminal 54-1 is grounded unless a plurality of parts (screw 59 and grounding metal 57) are inserted between the ground terminal 54-1 and the shell 52. Since the structure cannot be used, the number of parts increases and the number of assembly steps increases.
[0007]
The present invention has been made paying attention to the above-mentioned problems. The purpose of the present invention is to interpose a ground terminal and a screw between the ground terminal and the shell to connect the ground terminal to the shell. An object of the present invention is to provide an electrical connector structure that can reduce the number of parts, reduce the number of assembly steps, and reduce the manufacturing cost.
[0008]
[Means for Solving the Problems]
In order to achieve the above object, the electrical connector structure according to the present invention has a ground terminal mounting hole provided in an insulating housing covered with a conductive shell, and the ground terminal is mounted in the ground terminal mounting hole. An electrical connector structure in which the ground terminal is electrically connected to the shell. The shell contact portion is provided on the ground terminal so as to be integrated with the ground terminal, and the ground terminal is mounted on the ground terminal mounting hole so as to contact the shell. When the part is brought into direct contact with the ground terminal contact part provided on the inner peripheral part of the shell and the ground terminal is configured to conduct to the shell , the ground terminal contact part includes an insertion groove part having a pair of contact surfaces, It is composed of a connecting part that goes out from this insertion groove part into the shell, and the shell contact part forms an insertion part in the support part protruding in the radial direction of the ground terminal. The contact portion is formed on both outer surface portions of the insertion portion, and a connecting groove portion is provided on the peripheral portion of the insulating housing to communicate with the ground terminal mounting hole, and the insulating housing is inserted into the shell. Then, the connecting groove portion is made to coincide with the connecting portion, the support portion of the shell contact portion is inserted into the connecting groove portion and the connecting portion, the insertion portion of the shell contact portion is inserted into the insertion groove portion, and both contact portions of the insertion portion are The two contact surfaces of the insertion groove are brought into contact with each other .
[0012]
With this configuration, it is not necessary to interpose the ground terminal and the shell between the ground terminal and the shell to connect the ground terminal to the shell, reducing the number of parts, reducing the number of assembly steps, and reducing the manufacturing cost. Can be achieved.
[0013]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
[0014]
1 is a front view of an electrical connector structure according to the present invention, FIG. 2 is a side view of the electrical connector structure having a cross section taken along line AA in FIG. 1, and FIG. 3 is a cross section taken along line BB in FIG. FIG.
[0015]
A plug 1 as an electrical connector structure according to the present invention comprises a main body block 3, a coupling 4, and a code tube 5.
[0016]
The main body block 3 includes a substantially cylindrical shell 6 made of a metal material, an insulating housing 7 made of an insulating material in the shell 6, and a female terminal 8 and a ground terminal 9 held in the insulating housing 7 in a plurality of rows. And a holding member 10 made of an insulating material that is in the shell 6 and that holds the female terminal 8 and the ground terminal 9.
[0017]
At the front part of the shell 6 (left side in FIG. 4, the side facing the mating connector is the front part), the coupling part 12 is inserted into the mating connector, that is, the receptacle shell of the receptacle (both not shown). However, a flange portion 14 for locking the coupling 4 and the packing 13 is formed at the intermediate portion, and the rear portion of the shell 6 is attached to the screw member 2 to which the code tube 5 is screwed. is there. A split groove 12a is formed in the coupling portion 12 (see FIGS. 1 and 2).
[0018]
Further, as shown in FIGS. 4 and 5, the shell 6 is provided with a ground terminal contact portion 15 located at the rear portion of the inner peripheral portion thereof. The ground terminal contact portion 15 has a press-fit groove forming portion 16 formed on the inner peripheral surface 6a of the shell 6, and the side of the press-fit groove forming portion 16 facing the center side of the shell 6 is a flat surface 16a. In the press-fitting groove forming part 16, a press-fitting groove part 17 is formed from the rear surface part 16b to the front.
[0019]
The press-fitting groove portion 17 has a T-shaped cross section, and includes an insertion groove portion 17a having a contact surface 17c and a connecting portion 17b extending from the insertion groove portion 17a to the flat surface 16a. Moreover, the ring groove 6b is formed in the shell 6 so that it may be located in the rear part of the inner peripheral surface 6a.
[0020]
As shown in FIGS. 6 and 7, the insulating housing 7 includes a housing main body 18 formed of a synthetic resin cylindrical block. The housing main body 18 has four terminal mounting holes penetrating in the front-rear direction. 19 are formed at equal intervals, three of these four terminal mounting holes 19 are for female terminals (signal terminals), and the other is for a ground terminal.
[0021]
The housing body 18 has a flat surface 20 on the side facing the ground terminal contact portion 15 of the shell 6. The flat surface 20 is formed with a connecting groove portion 21 communicating with the terminal mounting hole 19-1 for the ground terminal in the front-rear direction.
[0022]
As shown in FIG. 2, the female terminal 8 includes a cord connecting portion 8a and a terminal contact portion 8b.
[0023]
Further, as shown in FIGS. 8 to 10, the ground terminal 9 includes a cord connection portion 9a, a terminal contact portion 9b, and a closing portion 9c between them, and is close to the closing portion 9c of the terminal contact portion 9b. The shell contact portion 22 is formed integrally with the ground terminal 9.
[0024]
The shell contact portion 22 is configured by forming an insertion portion 24 at the front portion of the support portion 23 protruding in the radial direction of the ground terminal 9 and forming a pair of contact portions 25 on the outer surface portion of the insertion portion 24. .
[0025]
As shown in FIG. 2, the pressing member 10 is formed of a disc-shaped block made of synthetic resin, and four contact through holes 28 are formed at equal intervals on the surface thereof.
[0026]
An insulating housing 7 is inserted into the shell 6. In this case, as shown in FIGS. 11 and 12, the flat surface 20 side of the housing body 18 is positioned at the press-fitting groove forming portion 16 of the shell 6 so that the flat surfaces 20 and 16a are aligned, and the terminal mounting hole 19-1 The communication groove portion 21 coincides with the communication portion 17 b of the press-fitting groove portion 17.
[0027]
In the insulating housing 7, the female terminal 8 is mounted in the three terminal mounting holes 19, and the ground terminal 9 is mounted in the one terminal mounting hole 19-1.
[0028]
In this case, as shown in FIGS. 11 and 12, the ground terminal 9 is attached by inserting the support portion 23 of the shell contact portion 22 provided on the ground terminal 9 into the communication groove portion 21 and the communication portion 17 b of the press-fitting groove portion 17. The insertion portion 24 of the shell contact portion 22 of the ground terminal 9 is inserted (press-fitted) into the insertion groove portion 17a, and a pair of contact portions 25 provided on the outer surface portion of the insertion portion 24 is brought into contact with the contact surface 17c of the insertion groove portion 17a. Has been done.
[0030]
In this state, the holding member 10 is inserted into the shell 6, the female terminal 8 and the ground terminal 9 are inserted and fixed in the contactor through hole 28 of the holding member 10, and the holding member 10 is attached to the rear end portion of the insulating housing 7. The insulating ring 7 is accommodated in the shell 6 by fitting the retaining ring 32 into the ring groove 6b on the inner surface of the shell 6 and pressing the holding member 10, and the body block 3 is constituted by these. Yes.
[0031]
A coupling 4 is rotatably attached to the main body block 3 by hooking a flange portion 4a inside the end portion of the flange portion 14 of the shell 6 and the screw member 2 attached to the shell 6 is attached to the screw member 2 attached to the shell 6. The code tube 5 is screwed.
[0032]
In the plug 1 configured as described above, a code (not shown) is soldered to the code connection portions 8 a and 9 a of the female terminal 8 and the ground terminal 9.
[0033]
The receptacle, which is the mating connector, has a cylindrical receptacle shell, and four male terminals (none of which are not shown) are mounted at equal intervals in the receptacle shell via terminal holding members. It is.
[0034]
Then, the coupling portion 12 of the shell 6 of the plug 1 is inserted into the receptacle shell of the receptacle, and the male terminal is inserted into the female terminal 8 and the ground terminal 9 so that both terminals are brought into contact with each other. In this way, when both terminals come into contact with each other, the coupling 4 is screwed into a screw portion (not shown) of the receptacle shell, and the plug 1 is connected to the receptacle.
[0035]
Accordingly, the ground terminal 9 is electrically connected to the receptacle mounting member (not shown) through the shell 6 and the receptacle shell and is grounded.
[0036]
In the above-described embodiment, when the ground terminal 9 is mounted in the ground terminal mounting hole 19-1, the support portion 23 of the shell contact portion 22 formed integrally with the ground terminal 9 is connected to the communication groove portion 21 and the communication portion. The ground terminal 9 can be electrically connected to the shell 6 by inserting into the insertion groove portion 17b and inserting the insertion portion 24 of the shell contact portion 22 into the insertion groove portion 17a and bringing the contact portion 25 into contact with the contact surface 17c of the insertion groove portion 17a. . For this reason, it is not necessary to interpose the screw and the earth metal fitting to connect the ground terminal 9 to the shell 6, the number of parts can be reduced, the number of assembling steps can be reduced, and the manufacturing cost can be reduced.
[0037]
In the above-described embodiment, the female terminal 8 is used as the signal terminal, but a male terminal may be used as the signal terminal.
[0038]
【The invention's effect】
As described above, according to the electrical connector structure of the present invention, when the ground terminal is mounted in the ground terminal mounting hole, the ground terminal provided with the shell contact portion integral with the ground terminal is provided on the inner peripheral portion of the shell. The ground terminal can be brought into conduction with the shell by directly contacting the contact portion. For this reason, it is not necessary to interpose the ground terminal and the shell between the ground terminal and the shell to connect the ground terminal to the shell, so that the number of parts can be reduced, the number of assembly steps can be reduced, and the manufacturing cost can be reduced. Can be achieved.
[0039]
In addition, according to the electrical connector structure of the present invention, the shell contact portion provided in the ground terminal is inserted into the press-fitting groove portion of the ground terminal contact portion, and the shell contact portion is brought into contact with the shell, whereby the ground terminal Is attached to the ground terminal mounting hole, the shell contact portion integral with the ground terminal is brought into direct contact with the ground terminal contact portion of the shell, so that the ground terminal can be conducted to the shell. For this reason, it is not necessary to interpose the ground terminal and the shell between the ground terminal and the shell to connect the ground terminal to the shell, so that the number of parts can be reduced, the number of assembly steps can be reduced, and the manufacturing cost can be reduced. Can be achieved.
[0040]
Further, according to the electrical connector structure of the present invention, when the ground terminal is mounted in the ground terminal mounting hole, the insertion portion of the shell contact portion integrated with the ground terminal is inserted into the insertion groove portion, and the insertion portion is inserted. The ground terminal can be conducted to the shell by contacting the contact surface of the groove. For this reason, it is not necessary to interpose the ground terminal and the shell between the ground terminal and the shell in order to connect the ground terminal to the shell, so that the number of parts can be reduced, the number of assembly steps can be reduced, and the manufacturing cost can be reduced. Can be achieved.
[0041]
Further, according to the electrical connector structure of the present invention, when the ground terminal is mounted in the ground terminal mounting hole, the support portion of the shell contact portion is inserted into the communication groove portion and the communication portion, and the insertion portion of the shell contact portion is The ground terminal can be conducted to the shell by inserting into the insertion groove and bringing the contact portion into contact with the contact surface of the insertion groove. For this reason, it is not necessary to interpose the ground terminal and the shell between the ground terminal and the shell in order to connect the ground terminal to the shell, so that the number of parts can be reduced, the number of assembly steps can be reduced, and the manufacturing cost can be reduced. Can be achieved.
[Brief description of the drawings]
FIG. 1 is a front view of an electrical connector structure according to the present invention.
FIG. 2 is a side view having a cross section taken along line AA of FIG. 1 in the electrical connector structure.
3 is a cross-sectional view taken along line BB in FIG.
FIG. 4 is a longitudinal cross-sectional view of the electrical connector structure in which a part of a shell provided with a coupling is omitted.
5 is a partial arrow view from the direction C in FIG. 4;
FIG. 6 is a front view of an insulating housing in the electrical connector structure.
FIG. 7 is a side view of the insulating housing.
FIG. 8 is a partially cutaway plan view of a ground terminal in the electrical connector structure.
FIG. 9 is a partially cutaway side view of the ground terminal in the electrical connector structure.
10 is a cross-sectional view taken along the line DD of FIG.
FIG. 11 is an explanatory diagram of a state where the ground terminal is press-fitted into the ground terminal mounting hole in the electrical connector structure.
12 is a cross-sectional view taken along line FF in FIG.
FIG. 13 is a longitudinal sectional view of a conventional electrical connector structure with a part omitted.
14 is a cross-sectional view taken along the line GG in FIG.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Plug 3 Body block 6 Shell 7 Insulating housing 8 Female terminal 9 Ground terminal 10 Holding member 15 Ground terminal contact part 16 Press-fit groove formation part 17 Press-fit groove part 17a Insertion groove part 17b Contact part 17c Contact surface 18 Housing body 19 Terminal mounting hole 19- 1 Terminal mounting hole 21 Connecting groove portion 22 Shell contact portion 23 Support portion 24 Insertion portion 25 Contact portion

Claims (1)

導電性を有するシェルで覆われた絶縁ハウジングにグランド端子装着孔を設けて、このグランド端子装着孔にグランド端子を装着して、このグランド端子を前記シェルに導通させるようにした電気コネクタ構造であって、
前記グランド端子に、このグランド端子と一体にしてシェル接触部を設け、前記グランド端子を前記グランド端子装着孔に装着し、前記シェル接触部を前記シェルの内周部に設けられたグランド端子接触部に直接接触させて、前記グランド端子を前記シェルに導通させるように構成する場合、前記グランド端子接触部は、一対の接触面を有する挿入溝部と、この挿入溝部から前記シェル内に抜ける連絡部とで構成してあり、前記シェル接触部は、前記グランド端子の径方向に突出する支持部に挿入部を形成し、この挿入部の両外面部にそれぞれ接点部を形成して構成してあり、前記絶縁ハウジングの周部には前記グランド端子装着孔に連絡する連絡溝部が設けてあり、前記シェルの内部に前記絶縁ハウジングを挿入して、前記連絡溝部を前記連絡部に一致させ、前記シェル接触部の前記支持部を前記連絡溝部及び前記連絡部に挿入すると共に、前記シェル接触部の前記挿入部を前記挿入溝部に挿入して、前記挿入部の前記両接点部を前記挿入溝部の前記両接触面にそれぞれ接触させるようにしたことを特徴とする電気コネクタ構造。
This is an electrical connector structure in which a ground terminal mounting hole is provided in an insulating housing covered with a conductive shell, the ground terminal is mounted in the ground terminal mounting hole, and the ground terminal is conducted to the shell. And
The ground terminal is provided with a shell contact portion integrally with the ground terminal, the ground terminal is attached to the ground terminal mounting hole, and the shell contact portion is provided on the inner peripheral portion of the shell. When the ground terminal is configured to be in direct contact with the portion and conducted to the shell, the ground terminal contact portion includes an insertion groove portion having a pair of contact surfaces, and a communication portion that extends from the insertion groove portion into the shell. The shell contact portion is formed by forming an insertion portion in a support portion protruding in the radial direction of the ground terminal, and forming contact portions on both outer surface portions of the insertion portion. A connecting groove portion that communicates with the ground terminal mounting hole is provided in a peripheral portion of the insulating housing, and the insulating housing is inserted into the shell so that the connecting groove portion is in front. The support portion of the shell contact portion is inserted into the communication groove portion and the communication portion, and the insertion portion of the shell contact portion is inserted into the insertion groove portion, so that the both portions of the insertion portion are aligned. An electrical connector structure characterized in that a contact portion is brought into contact with both contact surfaces of the insertion groove .
JP2001324485A 2001-10-23 2001-10-23 Electrical connector structure Expired - Fee Related JP4072940B2 (en)

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JP5186170B2 (en) 2007-10-05 2013-04-17 矢崎総業株式会社 Conductive member and connector having the conductive member
JP2009099266A (en) 2007-10-12 2009-05-07 Yazaki Corp Shield terminal for coaxial cable
JP5279483B2 (en) * 2008-12-26 2013-09-04 第一電子工業株式会社 Electrical connector

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