JP4142466B2 - Electrical connector - Google Patents

Electrical connector Download PDF

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Publication number
JP4142466B2
JP4142466B2 JP2003043059A JP2003043059A JP4142466B2 JP 4142466 B2 JP4142466 B2 JP 4142466B2 JP 2003043059 A JP2003043059 A JP 2003043059A JP 2003043059 A JP2003043059 A JP 2003043059A JP 4142466 B2 JP4142466 B2 JP 4142466B2
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JP
Japan
Prior art keywords
shield
electrical connector
metal contact
inner housing
housing
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Expired - Fee Related
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JP2003043059A
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Japanese (ja)
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JP2004253273A (en
Inventor
祐樹 佐藤
智治 柘植
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THE FURUKAW ELECTRIC CO., LTD.
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THE FURUKAW ELECTRIC CO., LTD.
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Priority to JP2003043059A priority Critical patent/JP4142466B2/en
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Description

【0001】
【発明の属する技術分野】
本発明は、シールドを有する電気コネクタに関し、特に前記シールドをアース部材に接続することにより輻射ノイズを低減することができる電気コネクタに関する。
【0002】
【従来の技術】
電子機器には、外部装置と接続するために電気コネクタが装着されている。この電気コネクタは、電気コネクタから空間への輻射ノイズを低減させるために、シールドを備えており、そのシールドを電子機器のアース部材に低インピーダンスで接続する構造になっている。
【0003】
従来の電気コネクタ1は、例えば図9に示すように、プラグ挿入口1aの周囲の一部が金属シールド1bで覆われており、プリント基板2に搭載された状態で、筐体3に装着される。そうして、金属シールド1bと内表面が導電性である筐体3との間に、電気的接触を確保するためのバネ特性を持たせた形状のフィンガー4を挿入して、金属シールド1bとアース側の筐体3が電気的に接続するように構成されている(例えば、特許文献1参照。)。
【0004】
【特許文献1】
特開平6−163114号公報(図5)
【0005】
【発明が解決しようとする課題】
しかしながら、上述の例では、金属シールド1bと筐体3は、不安定なバネ特性を有する形状のフィンガー4を介して電気的に接続しており、金属シールド1bと筐体3の電気的接続が不安定で信頼性に欠けるという問題があった。
【0006】
【課題を解決するための手段】
本発明は上記問題点を解決すべくなされたもので、請求項1記載の発明は、アース部材に電気的に接続されるシールドを有する電気コネクタにおいて、端子が挿入された内側ハウジングと、前記内側ハウジングに囲繞するように取り付けられたシールドと、前記シールドが取り付けられた前記内側ハウジングに外嵌された外側ハウジングとを有し、前記内側ハウジングとシールドはアース部材を貫通し、前記外側ハウジングは防水用パッキングが周端面に設けられた溝に嵌め込まれ、また周端面に設けられた張出部がアース部材を貫通し、内周縁に爪状の張出部を有する環状の金属接触部材が前記内側ハウジングの貫通した先端側から前記内側ハウジングに外嵌されて、外側ハウジングの前記張出部に外嵌され、
前記外側ハウジングと前記アース部材の間に防水用パッキングを介在させて、前記金属接触部材と前記外側ハウジングとで前記アース部材を挟み、前記アース部材を貫通したシールドには、前記金属接触部材がその張出部で圧接するように取り付けられ、前記アース部材には、前記内側ハウジングの貫通した先端部側に設けられた貫通穴に楔と必要に応じてスペーサを差し込むことにより、前記金属接触部材が面接触して圧接するように取り付けられ、前記金属接触部材を介して前記シールドと前記アース部材が電気的に接続されることを特徴とするものである。
【0009】
請求項1記載の発明によれば、環状の金属接触部材が内側ハウジングの貫通した先端側から前記内側ハウジングに外嵌され、前記金属接触部材がアース部材を貫通した電気コネクタのシールドと圧接して確実に電気的に接続し、また、楔によりアース部材に面接触で圧接して確実に電気的に接続するので、電気コネクタのシールドをアース部材に電気的に信頼性よく接続することができる。また、前記外側ハウジングと前記アース部材の間に防水用パッキングを介在させて、前記金属接触部材と前記外側ハウジングとで前記アース部材を挟むため、電気コネクタを防水可能にアース部材に取り付けることができる。
【0010】
【発明の実施の形態】
以下、図面に基づいて本発明の実施の形態を詳細に説明する。
図1は、本発明にかかる電気コネクタ11の一実施形態の構成を示す簡略化した分解斜視図である。図中、12は内側ハウジング、13は雄接続端子、14はシールド、15は外側ハウジング、16はパッキング、31は金属接触部材、41は楔、51はスペーサである。
図2(a)、(b)、(c)はそれぞれ、上記電気コネクタ11を壁体21に取り付け、シールド14とアース部材である金属製の壁体21を電気的に接続した接続構造の平面図、正面図、側面図である。また、図3(a)、(b)はそれぞれ、図2(b)のA−A断面に相当する電気コネクタ11の断面図、および図2(c)のB−B断面に相当する電気コネクタ11の断面図である。
【0011】
本実施形態の電気コネクタ11は、図2に示すように、筐体の金属製の壁体21を貫通して取り付けられ、シールド14は金属接触部材31を介して壁体21に電気的に接続する。
ここで、上記電気コネクタ11について先ず説明し、次いで前記電気コネクタ11のシールド14と壁体21の接続構造について説明する。
【0012】
電気コネクタ11は、図3(a)、(b)に示すように、合成樹脂からなる内側ハウジング12に合成樹脂からなる外側ハウジング15が外嵌された構造をしている。
【0013】
内側ハウジング12は、図4(a)、(b)に示すように、筐体内のバスバをボルトとナットで接続するための穴13aが設けられた2本の雄端子13が挿入されている。また、内側ハウジング12には、後述の楔を挿入するための2個の貫通穴12aが設けられている。さらに、内側ハウジング12の外周面には、金属薄板からなり略四角形に曲げられたシールド14が囲繞するように取り付けられている。なお、シールド14の壁体21を貫通する側の端部表面には、雄端子13に直交する方向(取り付ける壁体21面に平行な方向)に滑り止めとなるノッチ14aが設けられている。
【0014】
外側ハウジング15は、図5(a)、(b)に示すように、壁体21への取り付け側の略四角形をなす周端面に壁体21を貫通する方向に張出した張出部15aが設けられており、また、リング状の防水用パッキングを嵌め込む溝15bが設けられている。
【0015】
内側ハウジング12と外側ハウジング15が嵌合した状態では、図3(a)、(b)に示すように、内側ハウジング12と外側ハウジング15は内側ハウジング12の位置決め用の凸部12bで相対的に位置決めされて、内側ハウジング12は外側ハウジング15の壁体21への取り付け側の端部から突出するように位置しており、シールド14の端部および貫通穴12aは外側ハウジング15の外側に位置している。また、外側ハウジング15の溝15bにはパッキング16が嵌め込まれている。
【0016】
金属接触部材31は、図6に示すように、前記内側ハウジング12に外嵌するように形成された環状の金属板部材であって、略四角形をした内周縁には内側方向に張り出した10個の爪状の張出部31aが対向するように設けられている。
【0017】
本実施形態の電気コネクタ11のシールド14とアース部材である壁体21の接続構造は、以下のように形成する。即ち、
1)図2(a)、(b)に示すように、電気コネクタ11の内側ハウジング12の外側ハウジング15より突出した部分を壁体21の左側(筐体の外側)から壁体21の貫通穴(図示されず)に貫通させ、外側ハウジング15の周端部を壁体21面に当接させて、張出部15aを壁体21の右側(筐体の内側)に突出させる。
【0018】
2)次いで、金属接触部材31を壁体21の右側から内側ハウジング12に外嵌して、壁体21面に面接触するまで押し込み、図2(c)に示すように、外側ハウジング15の張出部15aの外側に嵌め込んで保持する。この状態で、金属接触部材31の10個の張出部31aは自らのバネ性で、シールド14に圧接する。
なお、金属接触部材31の対向する張出部31aの間隔L1 、L2 (図6参照)はそれぞれ、シールド14が形成する略四角形の対向する二辺の間隔D1 、D2 (図4(b)参照)よりも若干小さくなっている。したがって、金属接触部材31を内側ハウジング12に外嵌して押し込む際には、張出部31aは撓みながらシールド14のノッチ14aを引っ掻くように擦り、シールド14に圧接する。
【0019】
3)次いで、図7に示したコ字状の楔41と図8に示したコ字状のスペーサ51を用いて金属接触部材31を壁体21に押圧する。
即ち、先ずスペーサ51の脚部51aを内側ハウジング12の貫通穴12aに差し込み、次いで楔41の脚部41aを金属接触部材31とスペーサ51の間に押し込んで貫通穴12aに差し込む。この状態で、図2(b)に示すように、楔41は頭部41bと脚部41aで金属接触部材31を壁体21に確実に押圧するとともに、壁体21を外側ハウジング15の周端部に押圧し、電気コネクタ11と金属接触部材31は壁体21を挟むように取り付けられる。
【0020】
上述のように取り付けられた金属接触部材31は、壁体21に押圧されて電気的に接続するとともに、張出部31aでシールド14のノッチ14aに滑ることなく圧接して、シールド14に確実に電気的に接続し、壁体21とシールド14は金属接触部材31を介して電気的に接続している。また、外側ハウジング15の周端部は、図3(a)、(b)に示すように、溝15bに嵌め込まれたパッキング16を介して壁体21の左面(筐体の外側)に押圧されているので、電気コネクタ11を防水可能に壁体21に取り付けることができる。
【0021】
本実施形態の電気コネクタ11が従来例と異なる特徴的なことは、シールド14が、壁体21を貫通した状態で配置され、壁体21を貫通したシールド14と壁体21には金属接触部材31が圧接するように取り付けられることである。したがって、電気コネクタ11のシールド14とアース部材である壁体21を金属接触部材31を介して電気的に信頼性よく接続することができる。
【0022】
なお、上記実施形態は本発明を具体化した一例であって、本願発明の技術的範囲を限定するものではない。例えば、金属接触部材を壁体へ押圧して固定する手段は、スペーサと楔を用いることなく、壁体の厚さが厚い場合には楔だけでもよい。
【0023】
【発明の効果】
以上説明したように、請求項1記載の発明によれば、環状の金属接触部材がアース部材を貫通した電気コネクタのシールドに圧接して確実に電気的に接続し、また、楔によりアース部材に面接触で圧接して確実に電気的に接続するので、電気コネクタのシールドをアース部材に電気的に信頼性よく接続し、電気コネクタ周辺からのノイズの発生を抑制することができるという優れた効果がある。また、前記外側ハウジングと前記アース部材の間に防水用パッキングを介在させて、前記金属接触部材と前記外側ハウジングとで前記アース部材を挟むため、電気コネクタを防水可能にアース部材に取り付けることができるという優れた効果がある。
【図面の簡単な説明】
【図1】本発明にかかる電気コネクタの一実施形態の簡略化した分解斜視図である。
【図2】(a)、(b)、(c)はそれぞれ、上記実施形態の電気コネクタのシールドとアース部材の接続構造を示す平面図、正面図、側面図である。
【図3】(a)、(b)はそれぞれ、図2(b)のA−A断面に相当する電気コネクタの断面図、および図2(c)のB−B断面に相当する電気コネクタの断面図である。
【図4】(a)、(b)はそれぞれ、上記実施形態の電気コネクタの内側ハウジングの平面図および側面図である。
【図5】(a)、(b)はそれぞれ、上記実施形態の電気コネクタの外側ハウジングの平面図および側面図である。
【図6】上記実施形態の電気コネクタの金属接触部材の平面図である。
【図7】(a)、(b)はそれぞれ、上記実施形態の電気コネクタの楔の平面図および側面図である。
【図8】(a)、(b)はそれぞれ、上記実施形態の電気コネクタのスペーサの平面図および側面図である。
【図9】従来の電気コネクタのシールドと筐体の接続構造の説明図である。
【符号の説明】
11 電気コネクタ
12 内側ハウジング
12a 貫通穴
12b 凸部
13 雄接続端子
13a 穴
14 シールド
14a ノッチ
15 外側ハウジング
15a、31a 張出部
15b 溝
16 パッキング
21 壁体
31 金属接触部材
41 楔
41a、51a 脚部
41b 頭部
51 スペーサ
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to an electrical connector having a shield, and more particularly to an electrical connector capable of reducing radiation noise by connecting the shield to a ground member.
[0002]
[Prior art]
An electronic connector is attached to the electronic device to connect to an external device. This electrical connector includes a shield in order to reduce radiation noise from the electrical connector to the space, and is configured to connect the shield to a ground member of an electronic device with low impedance.
[0003]
For example, as shown in FIG. 9, the conventional electrical connector 1 is attached to the housing 3 in a state where a part of the periphery of the plug insertion opening 1 a is covered with a metal shield 1 b and mounted on the printed circuit board 2. The Then, between the metal shield 1b and the housing 3 whose inner surface is conductive, the finger 4 having a shape having spring characteristics for ensuring electrical contact is inserted, and the metal shield 1b The ground-side casing 3 is configured to be electrically connected (see, for example, Patent Document 1).
[0004]
[Patent Document 1]
JP-A-6-163114 (FIG. 5)
[0005]
[Problems to be solved by the invention]
However, in the above-described example, the metal shield 1b and the housing 3 are electrically connected via the fingers 4 having an unstable spring characteristic, and the electrical connection between the metal shield 1b and the housing 3 is established. There was a problem of being unstable and unreliable.
[0006]
[Means for Solving the Problems]
The present invention has been made to solve the above-mentioned problems, and the invention according to claim 1 is an electrical connector having a shield that is electrically connected to a ground member, and an inner housing into which a terminal is inserted, and the inner housing. A shield attached so as to surround the housing; and an outer housing externally fitted to the inner housing to which the shield is attached, wherein the inner housing and the shield pass through a ground member, and the outer housing is waterproof An annular metal contact member having a claw-like overhanging portion on the inner peripheral edge is provided on the inner side, with the packing for fitting fitted into a groove provided on the peripheral end surface, and the overhanging portion provided on the peripheral end surface penetrating the ground member It is externally fitted to the inner housing from the front end side through which the housing penetrates, and is externally fitted to the protruding portion of the outer housing ,
A waterproof packing is interposed between the outer housing and the ground member, the ground member is sandwiched between the metal contact member and the outer housing, and the metal contact member is attached to the shield penetrating the ground member. The metal contact member is attached to the ground member by inserting a wedge and, if necessary, a spacer into a through hole provided on the penetrating tip of the inner housing. The shield and the ground member are electrically connected to each other through the metal contact member.
[0009]
According to the first aspect of the present invention, the annular metal contact member is externally fitted to the inner housing from the front end side through which the inner housing penetrates, and the metal contact member is in pressure contact with the shield of the electrical connector penetrating the ground member. Since the electrical connection is ensured, and the ground member is press-contacted to the ground member in a surface contact with the wedge and the electrical connection is reliably performed, the shield of the electrical connector can be electrically and reliably connected to the ground member. Further, since a waterproof packing is interposed between the outer housing and the ground member and the ground member is sandwiched between the metal contact member and the outer housing, the electrical connector can be attached to the ground member in a waterproof manner. .
[0010]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.
FIG. 1 is a simplified exploded perspective view showing the configuration of an embodiment of an electrical connector 11 according to the present invention. In the figure, 12 is an inner housing, 13 is a male connection terminal, 14 is a shield, 15 is an outer housing, 16 is a packing, 31 is a metal contact member, 41 is a wedge, and 51 is a spacer.
2 (a), 2 (b), and 2 (c) are plan views of connection structures in which the electrical connector 11 is attached to the wall body 21, and the shield 14 and the metal wall body 21 that is a ground member are electrically connected. It is a figure, a front view, and a side view. 3 (a) and 3 (b) are cross-sectional views of the electrical connector 11 corresponding to the AA cross section of FIG. 2 (b), and electrical connectors corresponding to the BB cross section of FIG. 2 (c), respectively. 11 is a cross-sectional view of FIG.
[0011]
As shown in FIG. 2, the electrical connector 11 of the present embodiment is attached through the metal wall body 21 of the housing, and the shield 14 is electrically connected to the wall body 21 via the metal contact member 31. To do.
Here, the electrical connector 11 will be described first, and then the connection structure between the shield 14 of the electrical connector 11 and the wall body 21 will be described.
[0012]
As shown in FIGS. 3A and 3B, the electrical connector 11 has a structure in which an outer housing 15 made of synthetic resin is fitted on an inner housing 12 made of synthetic resin.
[0013]
As shown in FIGS. 4A and 4B, the inner housing 12 has two male terminals 13 provided with holes 13a for connecting the bus bars in the housing with bolts and nuts. Further, the inner housing 12 is provided with two through holes 12a for inserting a wedge to be described later. Further, a shield 14 made of a thin metal plate and bent into a substantially square shape is attached to the outer peripheral surface of the inner housing 12 so as to surround it. Note that a notch 14a is provided on the surface of the end portion of the shield 14 on the side penetrating the wall body 21 to prevent slipping in a direction orthogonal to the male terminal 13 (a direction parallel to the surface of the wall body 21 to be attached).
[0014]
As shown in FIGS. 5A and 5B, the outer housing 15 is provided with a projecting portion 15 a that projects in a direction penetrating the wall body 21 on a circumferential end surface that forms a substantially square shape on the attachment side to the wall body 21. In addition, a groove 15b for fitting a ring-shaped waterproof packing is provided.
[0015]
In the state in which the inner housing 12 and the outer housing 15 are fitted, the inner housing 12 and the outer housing 15 are relatively positioned by the positioning projections 12b of the inner housing 12, as shown in FIGS. 3 (a) and 3 (b). The inner housing 12 is positioned so as to protrude from the end of the outer housing 15 attached to the wall body 21, and the end of the shield 14 and the through hole 12 a are located outside the outer housing 15. ing. A packing 16 is fitted in the groove 15 b of the outer housing 15.
[0016]
As shown in FIG. 6, the metal contact member 31 is an annular metal plate member that is formed so as to be fitted on the inner housing 12, and has ten pieces projecting inwardly on the substantially rectangular inner periphery. The claw-like protruding portions 31a are provided so as to face each other.
[0017]
The connection structure between the shield 14 of the electrical connector 11 of the present embodiment and the wall body 21 that is a ground member is formed as follows. That is,
1) As shown in FIGS. 2 (a) and 2 (b), a portion protruding from the outer housing 15 of the inner housing 12 of the electrical connector 11 is formed through the through hole of the wall body 21 from the left side of the wall body 21 (outside the housing). The outer end of the outer housing 15 is brought into contact with the surface of the wall body 21 so that the overhanging portion 15a protrudes to the right side of the wall body 21 (inside the housing).
[0018]
2) Next, the metal contact member 31 is externally fitted to the inner housing 12 from the right side of the wall body 21 and pushed into the surface of the wall body 21 until it comes into surface contact, and as shown in FIG. It is fitted and held outside the protruding portion 15a. In this state, the ten overhang portions 31a of the metal contact member 31 are pressed against the shield 14 by their own spring characteristics.
Note that the distances L 1 and L 2 (see FIG. 6) between the protruding portions 31a of the metal contact member 31 are the distances D 1 and D 2 (see FIG. It is slightly smaller than (see (b)). Therefore, when the metal contact member 31 is externally fitted into the inner housing 12 and pushed in, the overhanging portion 31 a rubs so as to scratch the notch 14 a of the shield 14 while being bent, and presses against the shield 14.
[0019]
3) Next, the metal contact member 31 is pressed against the wall body 21 using the U-shaped wedge 41 shown in FIG. 7 and the U-shaped spacer 51 shown in FIG.
That is, first, the leg portion 51a of the spacer 51 is inserted into the through hole 12a of the inner housing 12, and then the leg portion 41a of the wedge 41 is pushed between the metal contact member 31 and the spacer 51 and inserted into the through hole 12a. In this state, as shown in FIG. 2 (b), the wedge 41 reliably presses the metal contact member 31 against the wall body 21 with the head portion 41 b and the leg portion 41 a, and the wall body 21 is pressed against the peripheral end of the outer housing 15. The electrical connector 11 and the metal contact member 31 are attached so as to sandwich the wall body 21.
[0020]
The metal contact member 31 attached as described above is pressed and electrically connected to the wall body 21 and is pressed against the notch 14a of the shield 14 at the overhanging portion 31a without slipping, so that the shield 14 is securely attached. The wall body 21 and the shield 14 are electrically connected through a metal contact member 31. Further, as shown in FIGS. 3A and 3B, the peripheral end portion of the outer housing 15 is pressed against the left surface (outside of the housing) of the wall body 21 via the packing 16 fitted in the groove 15b. Therefore, the electrical connector 11 can be attached to the wall body 21 in a waterproof manner.
[0021]
The electrical connector 11 of this embodiment is different from the conventional example in that the shield 14 is disposed in a state of penetrating the wall body 21, and the shield 14 and the wall body 21 penetrating the wall body 21 are provided with metal contact members. It is that 31 is attached so that it may press-contact. Therefore, the shield 14 of the electrical connector 11 and the wall body 21 which is a ground member can be electrically and reliably connected via the metal contact member 31.
[0022]
In addition, the said embodiment is an example which actualized this invention, Comprising: The technical scope of this invention is not limited. For example, the means for pressing and fixing the metal contact member to the wall body may be only a wedge when the wall body is thick without using a spacer and a wedge.
[0023]
【The invention's effect】
As described above, according to the first aspect of the present invention, the annular metal contact member is brought into pressure contact with the shield of the electrical connector penetrating the ground member to ensure electrical connection , and the wedge is connected to the ground member by the wedge. Since it is securely connected by pressure contact with surface contact, the electrical connector shield can be electrically connected to the ground member with high reliability, and it is possible to suppress the generation of noise from the periphery of the electrical connector. There is. Further, since a waterproof packing is interposed between the outer housing and the ground member, and the ground member is sandwiched between the metal contact member and the outer housing, the electrical connector can be attached to the ground member in a waterproof manner. There is an excellent effect.
[Brief description of the drawings]
FIG. 1 is a simplified exploded perspective view of one embodiment of an electrical connector according to the present invention.
FIGS. 2A, 2B, and 2C are a plan view, a front view, and a side view, respectively, showing a connection structure between a shield and a ground member of the electrical connector of the embodiment.
3A and 3B are cross-sectional views of an electrical connector corresponding to the AA cross section of FIG. 2B and an electrical connector corresponding to the BB cross section of FIG. 2C, respectively. It is sectional drawing.
4A and 4B are a plan view and a side view, respectively, of the inner housing of the electrical connector of the embodiment. FIG.
FIGS. 5A and 5B are a plan view and a side view, respectively, of an outer housing of the electrical connector of the embodiment.
FIG. 6 is a plan view of a metal contact member of the electrical connector of the embodiment.
7A and 7B are a plan view and a side view, respectively, of a wedge of the electrical connector of the embodiment.
FIGS. 8A and 8B are a plan view and a side view of a spacer of the electrical connector of the embodiment, respectively.
FIG. 9 is an explanatory diagram of a connection structure between a shield and a casing of a conventional electrical connector.
[Explanation of symbols]
11 Electrical connector 12 Inner housing 12a Through hole 12b Protruding part 13 Male connection terminal 13a Hole 14 Shield 14a Notch 15 Outer housing 15a, 31a Overhang part 15b Groove 16 Packing 21 Wall body 31 Metal contact member 41 Wedge 41a, 51a Leg part 41b Head 51 Spacer

Claims (1)

アース部材に電気的に接続されるシールドを有する電気コネクタにおいて、
端子が挿入された内側ハウジングと、前記内側ハウジングに囲繞するように取り付けられたシールドと、前記シールドが取り付けられた前記内側ハウジングに外嵌された外側ハウジングとを有し、
前記内側ハウジングとシールドはアース部材を貫通し、前記外側ハウジングは防水用パッキングが周端面に設けられた溝に嵌め込まれ、また周端面に設けられた張出部がアース部材を貫通し、内周縁に爪状の張出部を有する環状の金属接触部材が前記内側ハウジングの貫通した先端側から前記内側ハウジングに外嵌されて、外側ハウジングの前記張出部に外嵌され、
前記外側ハウジングと前記アース部材の間に防水用パッキングを介在させて、前記金属接触部材と前記外側ハウジングとで前記アース部材を挟み、
前記アース部材を貫通したシールドには、前記金属接触部材がその張出部で圧接するように取り付けられ、前記アース部材には、前記内側ハウジングの貫通した先端部側に設けられた貫通穴に楔と必要に応じてスペーサを差し込むことにより、前記金属接触部材が面接触して圧接するように取り付けられ、
前記金属接触部材を介して前記シールドと前記アース部材が電気的に接続されることを特徴とする電気コネクタ。
In an electrical connector having a shield electrically connected to a ground member,
An inner housing into which a terminal is inserted, a shield attached so as to surround the inner housing, and an outer housing externally fitted to the inner housing to which the shield is attached;
The inner housing and the shield penetrate the ground member, the outer housing is fitted with a waterproof packing in a groove provided on the peripheral end surface, and an overhang provided on the peripheral end surface penetrates the ground member, An annular metal contact member having a claw-like overhanging portion is externally fitted to the inner housing from the penetrating tip side of the inner housing, and is fitted to the overhanging portion of the outer housing ,
With a waterproof packing interposed between the outer housing and the ground member, the ground member is sandwiched between the metal contact member and the outer housing,
The metal contact member is attached to the shield penetrating the earth member so that the metal contact member comes into pressure contact with the protruding portion, and the earth member is wedged in a through hole provided on the penetrating tip side of the inner housing. By inserting a spacer as necessary, the metal contact member is attached so as to be in surface contact and pressure contact ,
The electrical connector, wherein the shield and the ground member are electrically connected via the metal contact member .
JP2003043059A 2003-02-20 2003-02-20 Electrical connector Expired - Fee Related JP4142466B2 (en)

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JP5485731B2 (en) * 2010-02-02 2014-05-07 矢崎総業株式会社 Waterproof shield connector

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