JP2004063358A - Floating electric connector - Google Patents

Floating electric connector Download PDF

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Publication number
JP2004063358A
JP2004063358A JP2002222286A JP2002222286A JP2004063358A JP 2004063358 A JP2004063358 A JP 2004063358A JP 2002222286 A JP2002222286 A JP 2002222286A JP 2002222286 A JP2002222286 A JP 2002222286A JP 2004063358 A JP2004063358 A JP 2004063358A
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JP
Japan
Prior art keywords
inner housing
outer housing
housing
electrical connector
terminal
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.)
Pending
Application number
JP2002222286A
Other languages
Japanese (ja)
Inventor
Akihiro Kodama
小玉 晃弘
Hiroyuki Kobayashi
小林 浩之
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.)
Hirose Electric Co Ltd
Original Assignee
Hirose Electric Co 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 Hirose Electric Co Ltd filed Critical Hirose Electric Co Ltd
Priority to JP2002222286A priority Critical patent/JP2004063358A/en
Publication of JP2004063358A publication Critical patent/JP2004063358A/en
Pending legal-status Critical Current

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To provide a floating electric connector which can be made easily and at low cost with a large displacement volume taken. <P>SOLUTION: With the floating electric connector, of which, a plurality of terminals 30 obtained by processing a metal plate are held by an inner housing 10 and an outer housing 20 surrounding the inner housing around an axis line in an insertion-coupling direction of a connector, and have each a contact part 31 at one end held by the inner housing and a connection part 32 at the other end held by the outer housing and protruding from the outer housing, with the inner housing made movable against the outer housing by an elastic part 33 formed between the contact part and the connection part, the plurality of the terminals 30 have their metal plate faces arranged on the same extended plane, each terminal forming an elastic part 33 put under a bending process in a direction of a plate thickness between the inner housing and the outer housing, held by each of the inner housing 10 and the outer housing 20 in an integrated molding. <P>COPYRIGHT: (C)2004,JPO

Description

【0001】
【発明の属する技術分野】
本発明は、端子が内ハウジングと外ハウジングによって保持されていて、相手コネクタとの嵌合の際に、正規位置からずれて嵌合しても、端子の可撓部によって内ハウジングが外ハウジングに対し可動となっていて、上記ずれを吸収できる、いわゆるフローティング電気コネクタに関する。
【0002】
【従来の技術】
この種のコネクタとしては、特開平10−55856に開示されているものが知られている。この特開平10−55856のコネクタは、添付図面の図6のごとく、回路基板P1上に配される枠状の外ハウジング50と、該外ハウジング内に配される内ハウジング60と、両者にまたがるようにして保持される端子70とを有している。
【0003】
端子70は、図6にて紙面に平行な面をもつ金属板を抜き加工してその平面を維持した状態で、複雑に屈曲した形状をなしている。該端子70は、その板面に対して直角な方向そしてコネクタの嵌合方向に平行となるように定間隔で複数配列されており、各端子の一端71と腕部72とが内ハウジング60の対応溝に圧入されて位置固定されている。中間部は逆U字状に屈曲された可撓部73となっていて弾性変形自由度を有し、他端は外ハウジング50外側面の溝で保持され外方に突出する接続部74となっている。
【0004】
使用に際しては、もう一方の回路基板P2に取りつけられたコネクタ80を、上記コネクタの内ハウジング60の中央嵌合凹部61内へ嵌入して、コネクタ80の端子81が上記端子70の一端側の接触部75と接触せしめる。その際、コネクタの嵌入位置が図6にて互いに左右に多少ずれていても、端子70の可撓部73の弾性変形により、内ハウジング60が移動し、上記ずれを吸収した状態で、端子70と80は正常な接触状態が確保される。
【0005】
【発明が解決しようとする課題】
このような図6の端子をもつコネクタにあっては、いくつかの点で改善が求められていた。
【0006】
先ず、端子を一つづつハウジングへ挿入組込みせねばならず、面倒である。この種のコネクタでは、端子数がきわめて多いので、コスト高につながる。
【0007】
次に、端子の可撓部での弾性変形は、端子の面を維持しつつその面内でなされるので、可撓部といえども、比較的剛性が高く、小さな力で大きな変形を得ることができない。
【0008】
さらには、接触部そして接続部では、相手との接触が端子の板厚幅の狭い面積でなされなければならないので、多少のずれが接触不良につながる。
【0009】
本発明は、このような点に鑑み、簡単かつ安価で作れて、十分な変形量を容易に得られるフローティング電気コネクタを提供することを目的とする。
【0010】
【課題を解決するための手段】
本発明に係るフローティング電気コネクタは、金属板を加工して得られる複数の端子を、内ハウジングとコネクタ嵌合方向の軸線まわりで内ハウジングを包囲する外ハウジングとで保持し、端子は内ハウジングで保持される一端側に接触部をそして外ハウジングで保持されて外ハウジングから突出する他端側に接続部をそれぞれ有し、接触部と接続部との間に形成された可撓部によって内ハウジングが外ハウジングに対して可動となっている。
【0011】
かかるフローティング電気コネクタにおいて、本発明では、複数の端子は、互いの金属板の板面が同一延長面に配列され、かつ、各端子は内ハウジングと外ハウジングの間で板厚方向に湾曲加工されて可撓部を形成しており、内ハウジングと外ハウジングのそれぞれで一体モールド成形により保持されていることを特徴としている。
【0012】
このような構成の本発明によれば、端子の可撓部は板厚方向のもとで主として弾性変形するが、板厚は比較的小さい寸法であるので撓みやすく、その撓み方向はコネクタの嵌合方向であると共に、可撓部が湾曲加工されているので接触部と接続部を結ぶ方向でもある。さらには、可撓部はその湾曲により長くなるので端子の配列方向にも撓みが可能となる。かかる本発明では、端子の接触部と接続部は幅広のものとして設定できるので、若干のずれがあっても十分に相手との接触を確保できる。さらに、板面を同一にて複数の端子が配列される構成なので、複数の端子は一時的にキャリアによって連結されているものとすることができ、その状態で内ハウジングそして外ハウジングとの一体モールド成形を行ない、しかる後にキャリアの切り離しを行うことによって、従来のような端子を一つ一つハウジングへ挿入することなく、きわめて簡単に製造がなされる。
【0013】
本発明においては、端子は、可撓部の幅が接触部そして接続部の幅よりも小さく形成されているようにすることができる。こうすることにより、接触部そして接続部の幅を広くしても、これに係りなく可撓部の可撓性を十分に確保できる。
【0014】
本発明では、外ハウジングは、内ハウジングの一部に当接してコネクタ嵌合方向での該内ハウジングの動きを規制する規制部材が取りつけられていることが望ましい。この規制部材により、コネクタ嵌合方向での可撓性を確保しつつ過大な撓みを規制できる。これは嵌合時そしてコネクタの回路基板への取付前における取扱いを容易とする。
【0015】
規制部材は金具であることとするならば、薄型で強度の高いものを得ると共に、回路基板への取付金具としての機能をももたせることができる。
【0016】
本発明において、内ハウジングは、相手コネクタとの嵌合の際の嵌合導入突部を有していることとするならば、相手コネクタとの嵌合を容易とし、嵌合位置を求めて必要以上にコネクタを動かして可撓部に過大な撓みを生じさせるということがなくなる。
【0017】
内ハウジングと外ハウジングは、切断可能な連結部で連結されていることとするならば、内ハウジングと外ハウジングの成形時に両者を一部品として成形することができ、成形及び組立の工数の削減となる。また、外ハウジングへの規制部材の取付時まで連結状態としておくことによって、可撓部が撓まないので、取扱い上好都合である。規制部材の取付後には上記連結部を切断して、可撓部に可撓性を与えることができる。しかし、可撓部の撓みによっても、内ハウジングは規制部材による規制を受けるので、外ハウジングに対して過大に変位することはない。
【0018】
本発明の具体的形態としては、内ハウジングは、コネクタ嵌合方向から見たとき、直線状に延びて壁面に端子の接触部を配列する配列壁部と、該配列壁部の長手方向両端で該配列壁部に対して直角方向に延びる横方向脚部とを有し、該横方向脚部の先端が、内ハウジングの移動時に、外ハウジングと当接する横方向規制部を形成し、上記配列壁部と外ハウジングとの間の空間に端子の可撓部が位置しているようにすることができる。上記空間が可撓部のために供するし、又、この空間の確保を阻害することなく上記横方向脚部を設けてその方向での過大撓みを規制できる。
【0019】
【発明の実施の形態】
以下、添付図面にもとづき、本発明の実施の形態を説明する。
【0020】
図1は本実施形態のコネクタの部分破断斜視図、図2は部分破断平面図、図3(A)は図2におけるIIIA−IIIA線断面図、図3(B)はIIIB−IIIB線断面図、図4はIV線拡大部分断面図である。
【0021】
本実施形態のフローティング電気コネクタは、内ハウジング10と、これを囲む外ハウジング20と、両ハウジングで端部側が保持される複数の端子30と、そして外ハウジング20に取りつけられた規制部材40とを有している。
【0022】
内ハウジング10は、電気絶縁材から作られ、図2に見られるように平面形状がH字状をなしていて、コネクタの長手方向に延びる配列壁部11が上方向にも延びて形成されており、この配列壁部11の上記長手方向(複数の端子の配列方向)の両端には相手コネクタとの易嵌合のための柱状の嵌合導入突部12が上方に向け一体的に設けられていると共に、下部では横方向脚部13が横方向に延出して一体的に設けられている。上記配列壁部11は、上縁が相手コネクタとの嵌合を円滑にするためのテーパ部11Aを有し、又、両側壁部の上部には後述の端子の接触部を位置づけるための端子溝11Bが所定間隔で形成されている。
【0023】
柱状の嵌合導入突部12は、上記配列壁部11Aの上縁よりも上方まで突出しており、その上端周縁も上記配列壁部11のテーパ部11Aと同様にテーパ部12Aが形成されている。
【0024】
横方向脚部13は、上記配列壁部11の両端、すなわち嵌合導入突部12の下部から、配列壁部11に対し直角となる横方向に延びていて、その先端は外ハウジング20の対向内面と所定間隔Y1を有している。この横方向脚部13は、内ハウジング10が上記横方向(上記間隔Y1の方向)に移動した際に、外ハウジング20と当接する横方向規制部13Aを先端に形成している。また、横方向脚部13の側端面は、外ハウジング20の対向内面と所定間隔X1を有している。この横方向脚部13は内ハウジング10が配列壁部11の延出する長手方向(上記間隔X1の方向)に移動した際に外ハウジング20と当接する長手方向規制部13Bを形成している。
【0025】
外ハウジング20は、図2に見られるように、上記内ハウジング10を間隔を保ちながら周囲を包囲する枠形状の平面形状をなして、電気絶縁材料から作られている。該外ハウジング20の底面は、上記内ハウジング10の底面とほぼ同一平面上に位置している。
【0026】
端子30は、内ハウジング10の配列壁部11の両面側で、該配列壁部11の図2における長手方向に所定間隔で複数配列されている。これらの複数の端子30は、金属板を抜き加工して作られており、これらの端子30は金属板の板面が同一延長面上に位置するように配されており、内ハウジング10と外ハウジング20との一体モールド成形により保持されている。各端子30は、細い帯状に抜き加工されていて、一端側が内ハウジング10により、そして他端側が外ハウジングにより、一体モールド成形されて保持されている。上記端子30の一端部は、内ハウジング10の上記端子溝11Bに収められる接触部31を成し、他端部は、外ハウジング20外に突出する接続部32を成している。上記接触部31は相手コネクタの端子と接触するのに十分な幅を有し、内ハウジング10との一体モールド成形部分から屈曲されて上記端子溝11Bに露呈するように収められている。一方、接続部32は、外ハウジング20から外方に突出した後にクランク状に屈曲されていて、コネクタが回路基板上に配置されたときに該接続部32が回路基板の対応回路と接面するように位置づけされている。
【0027】
上記端子は、内ハウジング10と外ハウジング20との間の空間では、板厚方向に屈曲されて、複数のU字状の湾曲部分を連続して有しており、しかも、この湾曲部分での幅は金属板の厚みと同程度まで小さくなっており、これに対して、上記接触部31そして接続部32の幅は金属板の厚みより大きくなっていて、上記の湾曲部分で可撓部33を形成している。かくして、可撓部の可撓性を十分に確保できるとともに、相手接触部との間に若干のずれがあっても十分に相手との接触を確保できる。内ハウジング10と外ハウジング20は、配列壁部11の両側の複数の端子30により機械的に連結されているが、弾性変形可能な上記可撓部33の存在によって、内ハウジング10は外ハウジング20に対しどの方向にも変位できる。
【0028】
外ハウジング20の両端側には、段部21が形成されていて、ここに、金属板を屈曲して作られた略短角筒状の規制部材40が、図2で矢印X方向に嵌着されている。図1そして図3(B)からも判るように、規制部材40は、一部が切り起こされて外方に屈曲延出して回路基板上に位置するように固定脚41を有していると共に、上板部そして下板部で内方側部が切欠部42,43を形成している。上板部の切欠部42は上記内ハウジング10の嵌合導入突部12の外側部を受け入れることにより、該切欠部42,43に臨む隅部44が所定間隔をもって横方向脚部13の先端の上方及び下方に位置している。したがって、内ハウジング10は、上方へ変位した際に、所定値まで変位すると横方向脚部13の先端上面が上記上板部の隅部44の下面に当接するし、又、内ハウジング10の下方への変位は上記下板部の隅部44の上面の当接により規制されつつ支持される。すなわち、上方及び下方への変位に限界が与えられる。既述したように、該横方向脚部13は、その延出方向へ変位した際には、先端の横方向規制部13Aの先端面が外ハウジング20の対応内面に当接し、又、これに直角方向に変位した際には、横方向規制部13の長手方向規制部13Bが外ハウジングの対応内面に当接し、これら両方向での変位に限界が与えられる。よって、規制部材40の上板部と下板部の間では、横方向脚部13はこれらの上板部と下板部の面に沿って円滑に移動可能となる。
【0029】
又、切欠部43が形成されている下板部は、図4に見られるように、内ハウジング10の嵌合導入突部12の底面に形成された切欠段部12Aに入り込み、上記切欠部43の縁に上記切欠段部12Aが当接する位置まで内ハウジング13の端子配列方向の変位を許容している。
【0030】
このような本実施形態のコネクタは、次の要領で作られ、そして使用される。
【0031】
<製造要領>
【0032】
1)先ず、金属板を金型で抜き加工して、キャリアでつながり一体として支持されている複数の帯状部を平行に配されたものを得る。この状態では、帯状部は端子がその面で屈曲されていない平坦面をなしているものが得られる。
【0033】
2)次に、他の金型で上記帯状部をその面に対して直角方向に曲げ加工して図1の端子30の形状とする。その際、各端子はキャリアによって連なっており、未だ一体である。
【0034】
3)このキャリア付端子を、成形金型内に配し、内ハウジング10と外ハウジング20とで一体モールド成形する。かくして、端子30は内ハウジング10と外ハウジング20とで保持される。このとき、内ハウジング10と外ハウジング20とは、細くて切断容易な連結部(図示せず)によって、つながっていてもよい。
【0035】
4)しかる後に、規制部材40を外ハウジング20の両端側へ嵌着させ、その後に、上記連結部を切断して、内ハウジング10と外ハウジング20とを別体で独立なものとすると共に、キャリアを切り離して各端子30は別体となる。かくして、本実施形態のコネクタを得る。
【0036】
<使用要領>
【0037】
▲1▼ 使用に際しては、本実施例のコネクタを回路基板P1上の所定位置に配置した後、規制部材40の固定部41を回路基板P1の固定部に半田固定すると共に、各端子30の接続部32を回路基板の対応回路部に半田接続する(図5(A)参照)。
【0038】
▲2▼ 次に、他の回路基板P2に取りつけられた相手コネクタCを上記回路基板P1のコネクタの上方位置にもたらす(図5(A)参照)。
【0039】
▲3▼ このとき、相手コネクタCは必ずしも正規位置にきているとは限らず、図5(A)のごとく、ずれδを伴っていることがある。このような場合でも、コネクタの嵌合を行うと、本実施形態のコネクタの嵌合導入突部12が相手コネクタCの対応溝C1に進入開始して上記ずれδをなくす方向に内ハウジング10が変位する。この変位は、図5(B)に見られるように、一方(図では右側)の端子30が可撓部33で圧縮変形し、他方(図では左側)の端子30が可撓部33で延伸変形するために可能となるものである。
【0040】
▲4▼ コネクタの完了時点では、図5(B)のごとく、相手コネクタの端子の接触部C2は本実施形態のコネクタの端子30の接触部31と弾性接触する。
【0041】
▲5▼ 図5(A),(B)では、紙面に平行な面での横方向のずれの吸収可能性を示したが、既述のごとく端子は各方向に変形可能なので、他の二方向、すなわち、上下方向そして紙面に直角方向のずれも吸収可能である。したがって、各方向に対する傾きも吸収可能となる。その際、各方向での内ハウジングの変位は過大とならないように、所定値以上では既述のごとく規制を受ける。
【0042】
【発明の効果】
本発明は、以上のように、内ハウジングと外ハウジングとにより保持され両ハウジング間の空間に可撓部をもつような複数の端子を、コネクタの嵌合方向に対して直角な面に板面を有し互いの板面がそれらの延長面上に位置せしめると共に、上記板面に直角な方向に屈曲することにより可撓部を形成することとしたので、フローティングのための変形量は端子の厚み方向での撓みにより得られてきわめて大きいものとなり、換言すれば、小さな力でも変形が容易に得られるという効果をもたらす。又、製造時には、両ハウジングと一体モールド成形によることができ、簡単に製造でき、安価となる。
【図面の簡単な説明】
【図1】本発明の一実施形態のコネクタの一部破断斜視図である。
【図2】図1のコネクタの一部破断平面図で、一方の規制部材が取付け前の状態を示す。
【図3】図3(A)は図2におけるIIIA−IIIA断面図、図3(B)はIIIB−IIIB断面図である。
【図4】図2におけるVI線での拡大部分断面図である。
【図5】図1のコネクタと相手コネクタとを示す断面図であり、図5(A)は嵌合前、図5(B)は嵌合後を示す。
【図6】従来のフローティング電気コネクタの相手コネクタとの嵌合前の断面図である。
【符号の説明】
10 内ハウジング
11 配列壁部
12 嵌合導入突部
13 横方向脚部
13A 横方向規制部
20 外ハウジング
30 端子
31 接触部
32 接続部
33 可撓部
40 規制部材
[0001]
TECHNICAL FIELD OF THE INVENTION
According to the present invention, the terminal is held by the inner housing and the outer housing, and the inner housing is connected to the outer housing by the flexible portion of the terminal even when the terminal is displaced from the proper position when the connector is mated with the mating connector. The present invention relates to a so-called floating electrical connector which is movable and can absorb the above-mentioned displacement.
[0002]
[Prior art]
As this type of connector, a connector disclosed in Japanese Patent Application Laid-Open No. H10-55856 is known. As shown in FIG. 6 of the accompanying drawings, the connector disclosed in Japanese Patent Application Laid-Open No. H10-55856 covers a frame-shaped outer housing 50 disposed on a circuit board P1 and an inner housing 60 disposed in the outer housing. And the terminal 70 held as described above.
[0003]
The terminal 70 has a complicatedly bent shape in a state where a metal plate having a surface parallel to the paper surface in FIG. 6 is punched and the flat surface is maintained. A plurality of the terminals 70 are arranged at regular intervals so as to be in a direction perpendicular to the plate surface and parallel to the fitting direction of the connector. One end 71 of each terminal and the arm 72 are connected to the inner housing 60. It is pressed into the corresponding groove and fixed in position. The middle portion is a flexible portion 73 bent in an inverted U-shape and has a degree of freedom of elastic deformation, and the other end is a connecting portion 74 held by a groove on the outer surface of the outer housing 50 and protruding outward. ing.
[0004]
In use, the connector 80 attached to the other circuit board P2 is fitted into the central fitting recess 61 of the inner housing 60 of the connector, and the terminal 81 of the connector 80 is brought into contact with one end of the terminal 70. It comes into contact with the part 75. At this time, even if the fitting positions of the connectors are slightly shifted left and right in FIG. 6, the inner housing 60 moves due to the elastic deformation of the flexible portion 73 of the terminal 70 and the terminal 70 And 80 ensure a normal contact state.
[0005]
[Problems to be solved by the invention]
The connector having the terminal shown in FIG. 6 has been required to be improved in several points.
[0006]
First, the terminals must be inserted and assembled one by one into the housing, which is troublesome. In this type of connector, the number of terminals is extremely large, which leads to an increase in cost.
[0007]
Next, since the elastic deformation of the flexible portion of the terminal is performed in the surface of the terminal while maintaining the surface of the terminal, even the flexible portion has relatively high rigidity and can obtain large deformation with a small force. Can not.
[0008]
Further, in the contact portion and the connection portion, the contact with the counterpart must be made in an area where the thickness of the terminal is small, so that a slight displacement leads to poor contact.
[0009]
The present invention has been made in view of the above circumstances, and has as its object to provide a floating electrical connector that can be manufactured simply and inexpensively and that can easily obtain a sufficient amount of deformation.
[0010]
[Means for Solving the Problems]
A floating electrical connector according to the present invention holds a plurality of terminals obtained by processing a metal plate by an inner housing and an outer housing surrounding the inner housing around an axis in a connector fitting direction, and the terminals are formed by the inner housing. A contact portion is provided at one end to be held, and a connecting portion is provided at the other end which is held by the outer housing and protrudes from the outer housing. The inner housing is formed by a flexible portion formed between the contact portion and the connecting portion. Are movable with respect to the outer housing.
[0011]
In this floating electrical connector, in the present invention, the plurality of terminals are arranged such that the plate surfaces of the respective metal plates are arranged on the same extension surface, and each terminal is curved between the inner housing and the outer housing in the plate thickness direction. A flexible portion is formed, and is held by integral molding in each of the inner housing and the outer housing.
[0012]
According to the present invention having such a configuration, the flexible portion of the terminal is mainly elastically deformed in the thickness direction, but the thickness is relatively small, so that the flexible portion is easily bent, and the bending direction is the fitting direction of the connector. This is the direction in which the connecting portion and the connecting portion are connected because the flexible portion is curved. Furthermore, since the flexible portion becomes longer due to its curvature, it can bend in the terminal arrangement direction. In the present invention, the contact portion and the connection portion of the terminal can be set to be wide, so that even if there is a slight shift, the contact with the partner can be sufficiently ensured. Furthermore, since a plurality of terminals are arranged with the same plate surface, the plurality of terminals can be temporarily connected by a carrier, and in that state, an integrated molding with the inner housing and the outer housing is performed. By forming and then separating the carrier, the manufacture is very simple, without the need to insert the terminals one by one into the housing as in the prior art.
[0013]
In the present invention, the width of the flexible portion may be smaller than the width of the contact portion and the width of the connection portion. By doing so, even if the widths of the contact portion and the connection portion are widened, the flexibility of the flexible portion can be sufficiently ensured regardless of this.
[0014]
In the present invention, it is preferable that the outer housing is provided with a regulating member that contacts a part of the inner housing and regulates the movement of the inner housing in the connector fitting direction. This restricting member can restrict excessive bending while securing flexibility in the connector fitting direction. This facilitates handling during mating and before mounting the connector to the circuit board.
[0015]
If the restricting member is a metal fitting, it is possible to obtain a thin, high-strength one and to have a function as a metal fitting for a circuit board.
[0016]
In the present invention, if the inner housing has a fitting introduction projection at the time of fitting with the mating connector, it is easy to fit with the mating connector, and it is necessary to determine the fitting position. As described above, it is possible to prevent the flexible portion from being excessively bent by moving the connector.
[0017]
If the inner housing and the outer housing are connected by a severable connecting portion, the inner housing and the outer housing can be formed as one part when forming the inner housing and the outer housing, thereby reducing the number of forming and assembling steps. Become. In addition, since the flexible portion is not bent by being connected until the restricting member is attached to the outer housing, it is convenient for handling. After attaching the regulating member, the connecting portion can be cut to give flexibility to the flexible portion. However, since the inner housing is restricted by the restricting member even by the bending of the flexible portion, the inner housing is not excessively displaced with respect to the outer housing.
[0018]
As a specific mode of the present invention, the inner housing has an arrangement wall portion extending linearly and arranging the contact portions of the terminals on the wall surface when viewed from the connector fitting direction, and a longitudinal end of the arrangement wall portion. A lateral leg extending in a direction perpendicular to the arrangement wall, wherein the distal end of the lateral leg forms a lateral regulation portion that contacts the outer housing when the inner housing moves. The flexible portion of the terminal may be located in a space between the wall and the outer housing. The space serves as a flexible portion, and the lateral legs can be provided to prevent excessive bending in that direction without obstructing the securing of this space.
[0019]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described with reference to the accompanying drawings.
[0020]
1 is a partially cutaway perspective view of the connector of the present embodiment, FIG. 2 is a partially cutaway plan view, FIG. 3A is a sectional view taken along line IIIA-IIIA in FIG. 2, and FIG. 3B is a sectional view taken along line IIIB-IIIB. FIG. 4 is an enlarged partial sectional view taken along the line IV.
[0021]
The floating electric connector according to the present embodiment includes an inner housing 10, an outer housing 20 surrounding the inner housing 10, a plurality of terminals 30 whose ends are held by both housings, and a regulating member 40 attached to the outer housing 20. Have.
[0022]
The inner housing 10 is made of an electrically insulating material, has an H-shape in plan view as shown in FIG. 2, and has an arrangement wall 11 extending in the longitudinal direction of the connector and extending upward. At both ends of the arrangement wall portion 11 in the longitudinal direction (the arrangement direction of the plurality of terminals), column-like fitting introduction protrusions 12 are provided integrally upward for easy fitting with a mating connector. At the lower part, a horizontal leg 13 extends in the horizontal direction and is provided integrally. The arrangement wall portion 11 has an upper edge having a tapered portion 11A for facilitating fitting with a mating connector, and a terminal groove for positioning a contact portion of a terminal described later on the upper portion of both side wall portions. 11B are formed at predetermined intervals.
[0023]
The column-shaped fitting introduction projection 12 protrudes above the upper edge of the arrangement wall 11A, and a taper portion 12A is also formed on the upper end periphery similarly to the taper 11A of the arrangement wall 11. .
[0024]
The lateral leg portions 13 extend from both ends of the arrangement wall portion 11, that is, the lower portion of the fitting introduction protrusion 12, in a lateral direction perpendicular to the arrangement wall portion 11, and the front ends thereof are opposed to the outer housing 20. It has a predetermined distance Y1 from the inner surface. When the inner housing 10 moves in the lateral direction (the direction of the interval Y1), the lateral leg 13 has a distal end formed with a lateral regulating portion 13A that comes into contact with the outer housing 20. The side end surface of the lateral leg 13 has a predetermined distance X1 from the opposed inner surface of the outer housing 20. The lateral leg portion 13 forms a longitudinal direction restricting portion 13B that comes into contact with the outer housing 20 when the inner housing 10 moves in the longitudinal direction in which the arrangement wall portion 11 extends (the direction of the interval X1).
[0025]
As shown in FIG. 2, the outer housing 20 is made of an electrically insulating material in the form of a frame that surrounds the inner housing 10 while keeping a space therebetween. The bottom surface of the outer housing 20 is located on substantially the same plane as the bottom surface of the inner housing 10.
[0026]
A plurality of terminals 30 are arranged at predetermined intervals in the longitudinal direction of the arrangement wall 11 in FIG. 2 on both sides of the arrangement wall 11 of the inner housing 10. The plurality of terminals 30 are formed by punching a metal plate, and the terminals 30 are arranged such that the plate surfaces of the metal plates are located on the same extension surface. It is held by integral molding with the housing 20. Each terminal 30 is punched into a thin band, and is integrally molded and held at one end by the inner housing 10 and at the other end by the outer housing. One end of the terminal 30 forms a contact portion 31 accommodated in the terminal groove 11 </ b> B of the inner housing 10, and the other end forms a connecting portion 32 protruding outside the outer housing 20. The contact portion 31 has a width sufficient to come into contact with the terminal of the mating connector, and is bent from an integrally molded portion with the inner housing 10 and housed so as to be exposed in the terminal groove 11B. On the other hand, the connecting portion 32 is bent in a crank shape after protruding outward from the outer housing 20, and the connecting portion 32 comes into contact with a corresponding circuit of the circuit board when the connector is arranged on the circuit board. It is positioned as follows.
[0027]
The terminal is bent in the thickness direction in the space between the inner housing 10 and the outer housing 20, and has a plurality of U-shaped curved portions continuously. The width is as small as the thickness of the metal plate, whereas the width of the contact portion 31 and the connection portion 32 is larger than the thickness of the metal plate, and the flexible portion 33 is formed at the curved portion. Is formed. Thus, the flexibility of the flexible portion can be sufficiently ensured, and even if there is a slight deviation from the contact portion, the contact with the partner can be sufficiently ensured. The inner housing 10 and the outer housing 20 are mechanically connected by a plurality of terminals 30 on both sides of the arrangement wall portion 11, but the inner housing 10 is separated from the outer housing 20 by the presence of the elastically deformable flexible portion 33. Can be displaced in any direction.
[0028]
Step portions 21 are formed at both ends of the outer housing 20, and a substantially short-square tubular restricting member 40 formed by bending a metal plate is fitted in the arrow X direction in FIG. 2. Have been. As can be seen from FIGS. 1 and 3 (B), the restricting member 40 has fixed legs 41 so that a part thereof is cut and raised, bent outward, and positioned on the circuit board. The cutouts 42 and 43 are formed on the inner side of the upper plate and the lower plate. The notch 42 of the upper plate portion receives the outer portion of the fitting introduction protruding portion 12 of the inner housing 10 so that the corners 44 facing the notches 42 and 43 are spaced apart from each other by a predetermined distance at the tip of the lateral leg 13. It is located above and below. Therefore, when the inner housing 10 is displaced up to a predetermined value when displaced upward, the upper surface of the distal end of the lateral leg portion 13 contacts the lower surface of the corner portion 44 of the upper plate portion, and the lower portion of the inner housing 10 Is supported while being regulated by the contact of the upper surface of the corner portion 44 of the lower plate portion. That is, the upward and downward displacement is limited. As described above, when the lateral leg 13 is displaced in the extending direction, the distal end surface of the lateral restriction portion 13A at the distal end abuts on the corresponding inner surface of the outer housing 20, and When displaced in a right angle direction, the longitudinal direction restricting portion 13B of the lateral direction restricting portion 13 comes into contact with the corresponding inner surface of the outer housing, and the displacement in both directions is limited. Therefore, between the upper plate portion and the lower plate portion of the regulating member 40, the lateral leg portions 13 can smoothly move along the surfaces of the upper plate portion and the lower plate portion.
[0029]
As shown in FIG. 4, the lower plate portion in which the notch portion 43 is formed enters a notch step portion 12 </ b> A formed on the bottom surface of the fitting introduction protrusion 12 of the inner housing 10, and the notch portion 43 is formed. The displacement of the inner housing 13 in the terminal arrangement direction is allowed up to a position where the notch step 12A comes into contact with the edge of the inner housing 13.
[0030]
Such a connector of this embodiment is made and used in the following manner.
[0031]
<Manufacturing procedure>
[0032]
1) First, a metal plate is punched with a die to obtain a plurality of belt-shaped portions connected in parallel by a carrier and integrally supported. In this state, the strip-shaped portion has a flat surface on which the terminal is not bent.
[0033]
2) Next, the above-mentioned band-shaped portion is bent in a direction perpendicular to the surface of the band-shaped portion using another mold to obtain the shape of the terminal 30 shown in FIG. At this time, the terminals are connected by a carrier and are still integrated.
[0034]
3) The terminal with a carrier is placed in a molding die, and the inner housing 10 and the outer housing 20 are integrally molded. Thus, the terminal 30 is held by the inner housing 10 and the outer housing 20. At this time, the inner housing 10 and the outer housing 20 may be connected to each other by a thin and easy-to-cut connecting portion (not shown).
[0035]
4) Thereafter, the regulating member 40 is fitted to both ends of the outer housing 20, and thereafter, the connecting portion is cut to make the inner housing 10 and the outer housing 20 separate and independent. Each terminal 30 is separated from the carrier. Thus, the connector of the present embodiment is obtained.
[0036]
<How to use>
[0037]
{Circle around (1)} In use, after the connector of the present embodiment is arranged at a predetermined position on the circuit board P1, the fixing portion 41 of the regulating member 40 is fixed to the fixing portion of the circuit board P1 by soldering, and the connection of each terminal 30 is performed. The part 32 is soldered to a corresponding circuit part of the circuit board (see FIG. 5A).
[0038]
(2) Next, the mating connector C attached to the other circuit board P2 is brought to a position above the connector of the circuit board P1 (see FIG. 5A).
[0039]
{Circle around (3)} At this time, the mating connector C is not always at the regular position, and may have a deviation δ as shown in FIG. Even in such a case, when the connector is mated, the mating introduction protrusion 12 of the connector of the present embodiment starts to enter the corresponding groove C1 of the mating connector C, and the inner housing 10 is moved in a direction to eliminate the deviation δ. Displace. As shown in FIG. 5B, this displacement is such that one (right side in the figure) terminal 30 is compressed and deformed by the flexible portion 33 and the other (left side in the figure) terminal 30 is extended by the flexible portion 33. This is possible because of deformation.
[0040]
(4) At the time of completion of the connector, as shown in FIG. 5B, the contact portion C2 of the terminal of the mating connector makes elastic contact with the contact portion 31 of the terminal 30 of the connector of the present embodiment.
[0041]
(5) FIGS. 5 (A) and 5 (B) show the possibility of absorbing a lateral shift in a plane parallel to the paper surface. A deviation in the direction, that is, in the vertical direction and in the direction perpendicular to the paper surface can be absorbed. Therefore, the inclination in each direction can be absorbed. At this time, the displacement of the inner housing in each direction is restricted as described above at a predetermined value or more so as not to be excessive.
[0042]
【The invention's effect】
As described above, according to the present invention, a plurality of terminals, which are held by the inner housing and the outer housing and have a flexible portion in a space between the two housings, are provided on a surface perpendicular to the fitting direction of the connector. And the respective plate surfaces are positioned on their extended surfaces, and the flexible portion is formed by bending in a direction perpendicular to the plate surface. It becomes extremely large when it is obtained by bending in the thickness direction. In other words, there is an effect that deformation can be easily obtained with a small force. In addition, at the time of manufacturing, both housings can be formed by integral molding, so that they can be manufactured easily and inexpensively.
[Brief description of the drawings]
FIG. 1 is a partially cutaway perspective view of a connector according to an embodiment of the present invention.
FIG. 2 is a partially broken plan view of the connector of FIG. 1, showing one restricting member before being attached.
3A is a sectional view taken along the line IIIA-IIIA in FIG. 2, and FIG. 3B is a sectional view taken along the line IIIB-IIIB.
FIG. 4 is an enlarged partial sectional view taken along a line VI in FIG. 2;
5 is a sectional view showing the connector of FIG. 1 and a mating connector, wherein FIG. 5 (A) shows a state before fitting and FIG. 5 (B) shows a state after fitting.
FIG. 6 is a cross-sectional view of a conventional floating electric connector before fitting with a mating connector.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Inner housing 11 Arrangement wall part 12 Fitting introduction projection 13 Lateral leg part 13A Lateral regulating part 20 Outer housing 30 Terminal 31 Contact part 32 Connecting part 33 Flexible part 40 Regulation member

Claims (7)

金属板を加工して得られる複数の端子を、内ハウジングとコネクタ嵌合方向の軸線まわりで内ハウジングを包囲する外ハウジングとで保持し、端子は内ハウジングで保持される一端側に接触部をそして外ハウジングで保持されて外ハウジングから突出する他端側に接続部をそれぞれ有し、接触部と接続部との間に形成された可撓部によって内ハウジングが外ハウジングに対して可動となっているフローティング電気コネクタにおいて、複数の端子は、互いの金属板の板面が同一延長面に配列され、かつ、各端子は内ハウジングと外ハウジングの間で板厚方向に湾曲加工されて可撓部を形成しており、内ハウジングと外ハウジングのそれぞれで一体モールド成形により保持されていることを特徴とするフローティング電気コネクタ。A plurality of terminals obtained by processing a metal plate are held by an inner housing and an outer housing surrounding the inner housing around an axis in a connector fitting direction, and the terminals have contact portions on one end side held by the inner housing. A connecting portion is provided on the other end side which is held by the outer housing and protrudes from the outer housing, and the inner housing is movable with respect to the outer housing by a flexible portion formed between the contact portion and the connecting portion. In the floating electrical connector, a plurality of terminals are arranged such that the plate surfaces of the respective metal plates are arranged on the same extension surface, and each terminal is bent between the inner housing and the outer housing in a plate thickness direction to be flexible. A floating electrical connector, wherein the floating electrical connector has a portion and is held by integral molding in each of the inner housing and the outer housing. 端子は、可撓部の幅が接触部そして接続部の幅よりも小さく形成されていることとする請求項1に記載のフローティング電気コネクタ。The floating electrical connector according to claim 1, wherein the width of the terminal is smaller than the width of the contact portion and the width of the connection portion. 外ハウジングは、内ハウジングの一部に当接してコネクタ嵌合方向での該内ハウジングの動きを規制する規制部材が取りつけられていることとする請求項1に記載のフローティング電気コネクタ。The floating electrical connector according to claim 1, wherein the outer housing is provided with a regulating member that contacts a part of the inner housing and regulates movement of the inner housing in a connector fitting direction. 規制部材は金具であることとする請求項3に記載のフローティング電気コネクタ。The floating electrical connector according to claim 3, wherein the regulating member is a metal fitting. 内ハウジングは、相手コネクタとの嵌合の際の嵌合導入突部を有していることとする請求項1又は請求項3に記載のフローティング電気コネクタ。The floating electrical connector according to claim 1 or 3, wherein the inner housing has a fitting introduction projection for fitting with the mating connector. 内ハウジングと外ハウジングは、切断可能な連結部で連結されていることとする請求項1又は請求項2に記載のフローティング電気コネクタ。The floating electrical connector according to claim 1 or 2, wherein the inner housing and the outer housing are connected by a severable connecting portion. 内ハウジングは、コネクタ嵌合方向から見たとき、直線状に延びて壁面に端子の接触部を配列する配列壁部と、該配列壁部の長手方向両端で該配列壁部に対して直角方向に延びる横方向脚部とを有し、該横方向脚部の先端が、内ハウジングの移動時に、外ハウジングと当接する横方向規制部を形成し、上記配列壁部と外ハウジングとの間の空間に端子の可撓部が位置していることとする請求項1、請求項2、請求項3、請求項6のうちの一つに記載のフローティング電気コネクタ。The inner housing, when viewed from the connector fitting direction, has an arrangement wall portion extending linearly and arranging the contact portions of the terminals on the wall surface, and a direction perpendicular to the arrangement wall portion at both longitudinal ends of the arrangement wall portion. A lateral leg portion extending in a direction, and a distal end of the lateral leg portion forms a lateral regulating portion that comes into contact with the outer housing when the inner housing moves, and a lateral regulating portion between the arrangement wall portion and the outer housing is provided. 7. The floating electrical connector according to claim 1, wherein the flexible portion of the terminal is located in the space.
JP2002222286A 2002-07-31 2002-07-31 Floating electric connector Pending JP2004063358A (en)

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