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JP3559955B2 - Electrical connector contacts - Google Patents
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JP3559955B2 - Electrical connector contacts - Google Patents

Electrical connector contacts Download PDF

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Publication number
JP3559955B2
JP3559955B2 JP16804999A JP16804999A JP3559955B2 JP 3559955 B2 JP3559955 B2 JP 3559955B2 JP 16804999 A JP16804999 A JP 16804999A JP 16804999 A JP16804999 A JP 16804999A JP 3559955 B2 JP3559955 B2 JP 3559955B2
Authority
JP
Japan
Prior art keywords
contact
spring portion
spring
electrical connector
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
JP16804999A
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Japanese (ja)
Other versions
JP2000357551A (en
Inventor
高明 工藤
宏明 帯金
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Japan Aviation Electronics Industry Ltd
Original Assignee
Japan Aviation Electronics Industry Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Japan Aviation Electronics Industry Ltd filed Critical Japan Aviation Electronics Industry Ltd
Priority to JP16804999A priority Critical patent/JP3559955B2/en
Publication of JP2000357551A publication Critical patent/JP2000357551A/en
Application granted granted Critical
Publication of JP3559955B2 publication Critical patent/JP3559955B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【0001】
【発明の属する技術分野】
本発明は、電気コネクタの接触子に関するものである。
【0002】
【従来の技術】
この種の電気コネクタの接触子として、実開平7−18365号および実開昭63−22074号がある。
【0003】
また、本発明の特許出願人(日本航空電子工業株式会社)の特開平9−204969号では、PGA用の電気コネクタの接触子が開示されている。
【0004】
【発明が解決しようとする課題】
しかしながら、このような従来例の電気コネクタの接触子では、構造が複雑で、かさばるだけでなく、高価で製造も困難である。
【0005】
また、十分に変位でき、かつ、小型に製造されると、接触力を低く設計せざるを得ない。換言すれば、大きい接触力を得ようとして製造し、十分に変位させようとすると、塑性変形を起こし易く、所望の設計ができないという欠点がある。
【0006】
そこで、本発明の技術的課題は、簡単な構造で、小型で容易に製造可能で、しかも高い接触力が得られ、十分に変位させても塑性変形しない電気コネクタの接触子を提供することである。
【0007】
【課題を解決するための手段】
本発明は、課題を解決するために、次の手段を採用する。
【0008】
(1)略長方形状の第1のバネ部と、前記第1のバネ部の長手方向一端部で一方の長辺から突出し、相手側コンタクトと接触して電気的接続を行うための接触部と、前記第1のバネ部の長手方向他端部から前記接触部とは反対向きに延設され、絶縁ハウジングに固定される基部と、前記基部から前記第1のバネ部の他方の長辺に隣接して前記長手方向一端部に対応する位置までのびた第2のバネ部とを備え、前記第1のバネ部及び前記第2のバネ部は平板部を分割して形成されたものであり、前記接触部に前記相手側コンタクトから押圧荷重が加わったときには前記第1のバネ部及び前記第2のバネ部が互いに当接した状態で同一方向に変位することを特徴とする電気コネクタの接触子。
【0009】
(2) (1)に記載の電気コネクタの接触子において、前記第1および前記第2のバネ部と前記基部との間には穴が形成されていることを特徴とする電気コネクタの接触子。
【0013】
【作用】
コネクタ嵌合の際、電気コネクタの接触子は、その接触部において、相手側コンタクトを受容する。このとき、電気コネクタの接触子の接触部に変位させる荷重が加わる。
【0014】
詳しく述べると、一方の梁、および隣接する他方の梁は、同時に押され、弾性変位する。すなわち、電気コネクタの接触子は、基部を共通の固定端とした少くとも一対の片持ち梁として作用する。
【0015】
【発明の実施の形態】
(本発明の関連発明)
本発明の形態による電気コネクタの接触子を説明する前に、本発明の関連発明を説明する。
【0016】
図4及び図7を参照して、本発明の関連発明に係る電気コネクタの接触子11は、導電性の平坦な板材より形成され、相手側コンタクト45を受容する方向に沿って設けられる接触部13と、相手側コンタクト45を受容する方向に直交する方向に接触部13から延びるバネ部15と、相手側コンタクト45(図7)を受容する方向に平行にバネ部15の他端から延設する基部17、固定用のフック部18、および半田付け端子19とを備える。図14に示すように、接触子11のバネ部15では、接触力は高いが十分に変位ができない。
【0017】
また、図5には、本発明の関連発明の変形例に係る電気コネクタの接触子11−1が示されている。図14に示すように、この接触子11−1では、十分に変位ができるが、バネ部15−1の接触力が低い。
【0018】
(本発明の第1の実施の形態例)
さて、本発明の第1の実施の形態例による電気コネクタの接触子について図面を参照して説明する。
【0019】
図1〜図3、及び図7に示すように、本発明の第1の実施の形態例による電気コネクタの接触子21は、ソケット側・プラグ側コネクタ対の内、ソケット側コネクタ51に使用され、平坦な面で形成されている。ソケット側コネクタ51はソケット側絶縁ハウジング55(図7)を備えている。ソケット側絶縁ハウジング55の長手方向に沿って両内側には、所定の狭いピッチで穿設された多数の溝を備えているので、電気コネクタの接触子21を狭いピッチで多数個すなわち2列に並べて植設されている。
【0020】
一方、図7〜図13、特に図12を参照して、本発明の第1の実施の形態例によるプラグ側コネクタ41の接触子45は、接触部47と、フック部49とを備える。このプラグ側コネクタ41は、プラグ側絶縁ハウジング43を備える。プラグ側コネクタ41の接触子45は、ソケット側コネクタ51の接触子21に一対一に対応するように、プラグ側絶縁ハウジング43の長手方向に沿ってその上面に穿設された2列の溝にフック部49を引っ掛けて配列されている。
【0021】
図1を参照して、詳しく述べると、ソケット側コネクタ51の接触子21は、一・他端及び両側を持つ略長方形状の平坦な板材を有する第1のバネ部31と、第2のバネ部32と、第1のバネ部31の一端から相手側コンタクト45(図7、図12、及び図13)の受容方向に沿って突出し、相手側コンタクト45の接触部47と接触して電気的接続を行うための接触部22と、相手側コンタクト45の受容方向に平行に第1のバネ部31の他端から延設され、ソケット側絶縁ハウジング55(図7)の両内側の溝の中に埋め込まれ固定される基部27、フック部28、および半田付け端子24とを備える。
【0022】
第2のバネ部32は、一端同士が連なり、側同士が第1のバネ部31と隣接するとともに、他端が基部27として延びる。
【0023】
また、第1および前記第2のバネ部31および32の他端同士と基部27との間には、穴35が形成され、それにより、隣接する側同士の長さの精度を向上させる。尚、隣接する側同士の長さの精度が不要の場合には、図6の電気コネクタの接触子21−1を用いる。
【0024】
図14に示すように、本発明に係る電気コネクタの接触子21によれば、図3の21および図4の11と対比すると、所望の荷重Aおよび変位量Dという直線部が塑性変形しない大きな領域が得られる。
【0025】
(本発明の第2の実施の形態例)
次に、本発明の第2の実施の形態例による電気コネクタの接触子について図面(図15及び図16)を参照して説明する。
【0026】
図13に示す本発明の電気コネクタの接触子61は、FPC用コネクタに使用され、FPC73と接触する接触部63と、第1のばね部64−1と、第2のばね部64−2と、固定端部65と、基部67と、半田付け端子69とを備える。第1のばね部64−1と第2のばね部64−2と基部67との間には、穴が形成され、第1のばね部64−1および第2のばね部64−2の隣接する側部分同士の長さの精度を向上させている。
【0027】
FPC用コネクタに使用される絶縁ハウジング71は、一列に並んだ複数の接触子61の接触部63にFPC73を案内するためのアクチュエータ(スライダー)75を備えている。
【0028】
図16のアクチュエータ(スライダー)75を90度右に回転して開口しFPC73を挿入した後、固定端部65の回りを約90度左に元の位置まで回転すると、図15に示すように、FPC73はコネクタ内に組み込まれ接触部63と接触して嵌合される。
【0029】
【発明の効果】
本発明の電気コネクタの接触子は、コネクタ嵌合の際、基部を共通の固定端とした少くとも一対の片持ち梁として作用する。その結果、簡単な構造で、小型で容易に製造可能で、しかも高い接触力が得られ、十分に変位させても塑性変形しない電気コネクタの接触子を提供できるという効果を奏する。
【図面の簡単な説明】
【図1】本発明の第1の実施の形態例による電気コネクタの接触子21の正面図である。
【図2】図1の第1の実施の形態例による電気コネクタの接触子21に荷重fが加わったときの状態を示す図である。
【図3】本発明の第1の実施の形態例による電気コネクタの接触子21の斜視図である。
【図4】本発明の関連発明に係る電気コネクタの接触子11の斜視図である。
【図5】本発明の関連発明の変形例に係る電気コネクタの接触子11−1の斜視図である。
【図6】本発明の第1の実施の形態例による電気コネクタの接触子21の変形例を示す正面図である。
【図7】本発明の第1の実施の形態例による電気コネクタの分解斜視図である。
【図8】図7の第1の実施の形態例によるソケット側コネクタ51の平面図である。
【図9】図7のIX−IX線に沿って切断したソケット側コネクタ51の断面図である。
【図10】図7のソケット側コネクタ51の正面図である。
【図11】図7のソケット側コネクタ51の右側面図である。
【図12】図7のプラグ側コネクタ41の接触子45の斜視図である。
【図13】図7のプラグ側コネクタ41の2列の溝に接触子45のフック部49を引っ掛けて嵌め込んだときの断面図である。
【図14】本発明の第1の実施の形態例による電気コネクタの評価試験の結果を示す図である。
【図15】本発明の第2の実施の形態例による電気コネクタにFPC73を嵌合させた場合であって、図16のXV−XV線に沿って切断した断面図である。
【図16】図15の電気コネクタで、アクチュエータ(スライダー)75を閉じたときの斜視図である。
【符号の説明】
11 電気コネクタの接触子
13 接触部
15 バネ部
15−1 バネ部
17 基部
18 フック部
19 半田付け端子
21 電気コネクタの接触子
21−1 電気コネクタの接触子
22 接触部
23 スリット
24 半田付け端子
27 基部
28 フック部
31 第1のバネ部
32 第2のバネ部
41 プラグ側コネクタ
43 プラグ側絶縁ハウジング
45 相手側コンタクト
51 ソケット側コネクタ
55 ソケット側絶縁ハウジング
61 接触子
63 接触部
64−1 第1のばね部
64−2 第2のばね部
65 固定端部
67 基部
69 半田付け端子
73 FPC(Flexible Printed Circuit)
75 アクチュエータ(スライダー)
[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a contact of an electrical connector.
[0002]
[Prior art]
Japanese Unexamined Utility Model Publication No. 7-18365 and Japanese Unexamined Utility Model Publication No. 63-220074 are known as contacts of this type of electrical connector.
[0003]
Japanese Patent Application Laid-Open No. 9-204969 filed by the applicant of the present invention (Japan Aviation Electronics Industry Co., Ltd.) discloses a contact of an electrical connector for PGA.
[0004]
[Problems to be solved by the invention]
However, such a conventional contact of an electric connector has a complicated structure, is bulky, and is expensive and difficult to manufacture.
[0005]
Further, if the actuator can be sufficiently displaced and manufactured in a small size, the contact force must be designed to be low. In other words, there is a drawback that, when manufacturing is performed to obtain a large contact force and sufficiently displaced, plastic deformation easily occurs and a desired design cannot be performed.
[0006]
Therefore, a technical problem of the present invention is to provide a contact of an electric connector which has a simple structure, is small in size and can be easily manufactured, has a high contact force, and is not plastically deformed even when sufficiently displaced. is there.
[0007]
[Means for Solving the Problems]
The present invention employs the following means in order to solve the problem.
[0008]
(1) A substantially rectangular first spring portion, and a contact portion for projecting from one long side at one longitudinal end of the first spring portion and making contact with a mating contact to perform electrical connection. A base extending from the other end in the longitudinal direction of the first spring portion in a direction opposite to the contact portion and fixed to an insulating housing; and a base extending from the base to the other long side of the first spring portion. A second spring portion extending to a position corresponding to the one end portion in the longitudinal direction adjacent to the first spring portion, wherein the first spring portion and the second spring portion are formed by dividing a flat plate portion, The contact member of the electric connector, wherein the first spring portion and the second spring portion are displaced in the same direction in a state where the first spring portion and the second spring portion are in contact with each other when a pressing load is applied to the contact portion from the mating contact. .
[0009]
(2) The contact of the electrical connector according to (1), wherein a hole is formed between the first and second spring portions and the base. .
[0013]
[Action]
When the connector is mated, the contact of the electric connector receives the mating contact at the contact portion. At this time, a load for displacing the contact portion of the contact of the electrical connector is applied.
[0014]
Specifically, one beam and the other adjacent beam are simultaneously pushed and elastically displaced. That is, the contacts of the electrical connector act as at least a pair of cantilevered beams with the base as a common fixed end.
[0015]
BEST MODE FOR CARRYING OUT THE INVENTION
(Related invention of the present invention)
Before describing a contact of an electrical connector according to an embodiment of the present invention, a related invention of the present invention will be described.
[0016]
Referring to FIGS. 4 and 7, contact 11 of an electrical connector according to a related invention of the present invention is formed of a conductive flat plate material, and has a contact portion provided along a direction in which mating contact 45 is received. 13, a spring portion 15 extending from the contact portion 13 in a direction orthogonal to the direction in which the mating contact 45 is received, and extending from the other end of the spring portion 15 in parallel with the direction in which the mating contact 45 (FIG. 7) is received. And a fixing hook portion 18 and a soldering terminal 19. As shown in FIG. 14, the spring portion 15 of the contact 11 has a high contact force but cannot be sufficiently displaced.
[0017]
FIG. 5 shows a contact 11-1 of an electric connector according to a modification of the related invention of the present invention. As shown in FIG. 14, the contact 11-1 can be sufficiently displaced, but the contact force of the spring portion 15-1 is low.
[0018]
(First Embodiment of the Present Invention)
Now, a contact of the electric connector according to the first embodiment of the present invention will be described with reference to the drawings.
[0019]
As shown in FIGS. 1 to 3 and FIG. 7, the contact 21 of the electric connector according to the first embodiment of the present invention is used for the socket-side connector 51 of the socket-side / plug-side connector pair. , Formed on a flat surface. The socket-side connector 51 includes a socket-side insulating housing 55 (FIG. 7). Since a large number of grooves formed at a predetermined narrow pitch are provided on both inner sides in the longitudinal direction of the socket-side insulating housing 55, a large number of contacts 21 of the electrical connector are arranged in a narrow pitch, that is, two rows. It is planted side by side.
[0020]
On the other hand, with reference to FIGS. 7 to 13, particularly FIG. 12, the contact 45 of the plug-side connector 41 according to the first embodiment of the present invention includes a contact part 47 and a hook part 49. The plug-side connector 41 includes a plug-side insulating housing 43. The contacts 45 of the plug-side connector 41 correspond to the contacts 21 of the socket-side connector 51 in one-to-one correspondence with two rows of grooves formed on the upper surface thereof along the longitudinal direction of the plug-side insulating housing 43. The hooks 49 are hooked and arranged.
[0021]
Referring to FIG. 1 in detail, the contact 21 of the socket-side connector 51 includes a first spring portion 31 having a substantially rectangular flat plate material having one and the other end and both sides, and a second spring portion 31. The portion 32 and one end of the first spring portion 31 protrude from the one end of the first spring portion 31 along the receiving direction of the mating contact 45 (FIGS. 7, 12, and 13), and come into contact with the contact portion 47 of the mating contact 45 to electrically connect the contact portion 47. The contact portion 22 for making connection and the other end of the first spring portion 31 are extended from the other end of the first spring portion 31 in parallel to the receiving direction of the mating contact 45, and are formed in grooves on both inner sides of the socket-side insulating housing 55 (FIG. 7). A base 27, a hook 28, and a soldering terminal 24 which are embedded and fixed in the base.
[0022]
One end of the second spring portion 32 is connected to the first spring portion 31, and the other end of the second spring portion 32 extends as the base 27.
[0023]
A hole 35 is formed between the other end of the first and second spring portions 31 and 32 and the base 27, thereby improving the accuracy of the length between adjacent sides. When the accuracy of the length between the adjacent sides is not required, the contact 21-1 of the electric connector shown in FIG. 6 is used.
[0024]
As shown in FIG. 14, according to the contact 21 of the electrical connector according to the present invention, when compared with 21 in FIG. 3 and 11 in FIG. 4, the straight portion of the desired load A and displacement D is large without plastic deformation. The area is obtained.
[0025]
(Second embodiment of the present invention)
Next, a contact of an electric connector according to a second embodiment of the present invention will be described with reference to the drawings (FIGS. 15 and 16).
[0026]
The contact 61 of the electrical connector of the present invention shown in FIG. 13 is used for an FPC connector, and includes a contact portion 63 that contacts the FPC 73, a first spring portion 64-1, and a second spring portion 64-2. , A fixed end 65, a base 67, and a solder terminal 69. A hole is formed between the first spring portion 64-1, the second spring portion 64-2, and the base 67, and the hole is formed adjacent to the first spring portion 64-1 and the second spring portion 64-2. The accuracy of the length of the side portions to be formed is improved.
[0027]
The insulating housing 71 used for the FPC connector includes an actuator (slider) 75 for guiding the FPC 73 to the contact portions 63 of the plurality of contacts 61 arranged in a line.
[0028]
After rotating the actuator (slider) 75 of FIG. 16 by 90 degrees to the right and opening it to insert the FPC 73, when the periphery of the fixed end 65 is rotated to the left by about 90 degrees to the original position, as shown in FIG. The FPC 73 is incorporated in the connector and is fitted in contact with the contact portion 63.
[0029]
【The invention's effect】
The contacts of the electrical connector of the present invention act as at least a pair of cantilever beams with the base portion being a common fixed end when the connector is mated. As a result, it is possible to provide a contact of an electric connector which has a simple structure, is small in size, can be easily manufactured, has a high contact force, and does not undergo plastic deformation even when sufficiently displaced.
[Brief description of the drawings]
FIG. 1 is a front view of a contact 21 of an electrical connector according to a first embodiment of the present invention.
FIG. 2 is a diagram showing a state when a load f is applied to a contact 21 of the electrical connector according to the first embodiment of FIG.
FIG. 3 is a perspective view of a contact 21 of the electrical connector according to the first embodiment of the present invention.
FIG. 4 is a perspective view of a contact 11 of an electrical connector according to a related invention of the present invention.
FIG. 5 is a perspective view of a contact 11-1 of an electric connector according to a modification of the related invention of the present invention.
FIG. 6 is a front view showing a modification of the contact 21 of the electrical connector according to the first embodiment of the present invention.
FIG. 7 is an exploded perspective view of the electrical connector according to the first embodiment of the present invention.
8 is a plan view of the socket-side connector 51 according to the first embodiment of FIG.
FIG. 9 is a cross-sectional view of the socket-side connector 51 taken along the line IX-IX of FIG.
FIG. 10 is a front view of the socket-side connector 51 of FIG. 7;
FIG. 11 is a right side view of the socket-side connector 51 of FIG. 7;
12 is a perspective view of a contact 45 of the plug-side connector 41 of FIG.
FIG. 13 is a cross-sectional view when the hook portion 49 of the contact 45 is hooked and fitted in two rows of grooves of the plug-side connector 41 of FIG.
FIG. 14 is a diagram showing a result of an evaluation test of the electrical connector according to the first embodiment of the present invention.
15 is a cross-sectional view taken along line XV-XV of FIG. 16 when the FPC 73 is fitted to the electric connector according to the second embodiment of the present invention.
16 is a perspective view of the electric connector of FIG. 15 when an actuator (slider) 75 is closed.
[Explanation of symbols]
REFERENCE SIGNS LIST 11 contact 13 of electrical connector 13 contact 15 spring 15-1 spring 17 base 18 hook 19 soldering terminal 21 contact 21 of electrical connector 21-1 contact of electrical connector 22 contact 23 slit 24 soldering terminal 27 Base 28 Hook 31 First spring 32 Second spring 41 Plug-side connector 43 Plug-side insulation housing 45 Mating contact 51 Socket-side connector 55 Socket-side insulation housing 61 Contact 63 Contact part 64-1 First Spring part 64-2 Second spring part 65 Fixed end 67 Base 69 Solder terminal 73 FPC (Flexible Printed Circuit)
75 Actuator (slider)

Claims (2)

略長方形状の第1のバネ部と、前記第1のバネ部の長手方向一端部で一方の長辺から突出し、相手側コンタクトと接触して電気的接続を行うための接触部と、前記第1のバネ部の長手方向他端部から前記接触部とは反対向きに延設され、絶縁ハウジングに固定される基部と、前記基部から前記第1のバネ部の他方の長辺に隣接して前記長手方向一端部に対応する位置までのびた第2のバネ部とを備え、前記第1のバネ部及び前記第2のバネ部は平板部を分割して形成されたものであり、前記接触部に前記相手側コンタクトから押圧荷重が加わったときには前記第1のバネ部及び前記第2のバネ部が互いに当接した状態で同一方向に変位することを特徴とする電気コネクタの接触子。 A first spring portion having a substantially rectangular shape, a contact portion protruding from one long side at one longitudinal end of the first spring portion and making contact with a mating contact to perform electrical connection; A base extending from the other end in the longitudinal direction of the first spring in a direction opposite to the contact portion and fixed to the insulating housing; and a base adjacent to the other long side of the first spring from the base. A second spring portion extending to a position corresponding to the one end in the longitudinal direction, wherein the first spring portion and the second spring portion are formed by dividing a flat plate portion, and the contact portion A contact member for an electrical connector, wherein the first spring portion and the second spring portion are displaced in the same direction in a state where the first spring portion and the second spring portion are in contact with each other when a pressing load is applied from the mating contact. 請求項1に記載の電気コネクタの接触子において、前記第1および前記第2のバネ部と前記基部との間には穴が形成されていることを特徴とする電気コネクタの接触子。2. The contact of the electrical connector according to claim 1, wherein a hole is formed between the first and second spring portions and the base . 3.
JP16804999A 1999-06-15 1999-06-15 Electrical connector contacts Expired - Fee Related JP3559955B2 (en)

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JP16804999A JP3559955B2 (en) 1999-06-15 1999-06-15 Electrical connector contacts

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JP16804999A JP3559955B2 (en) 1999-06-15 1999-06-15 Electrical connector contacts

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JP2000357551A JP2000357551A (en) 2000-12-26
JP3559955B2 true JP3559955B2 (en) 2004-09-02

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Publication number Priority date Publication date Assignee Title
JP5493896B2 (en) * 2010-01-15 2014-05-14 オムロン株式会社 Electrical connector, electronic device and conductive contact method.

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