JP5757794B2 - Multi-pole connector - Google Patents

Multi-pole connector Download PDF

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JP5757794B2
JP5757794B2 JP2011132146A JP2011132146A JP5757794B2 JP 5757794 B2 JP5757794 B2 JP 5757794B2 JP 2011132146 A JP2011132146 A JP 2011132146A JP 2011132146 A JP2011132146 A JP 2011132146A JP 5757794 B2 JP5757794 B2 JP 5757794B2
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terminal
main body
connector
held
accommodating cavity
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JP2013004223A (en
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英樹 永瀬
英樹 永瀬
近野　幸司
幸司 近野
正典 八木
正典 八木
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Molex LLC
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Molex LLC
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Priority to JP2011132146A priority Critical patent/JP5757794B2/en
Priority to PCT/US2012/042264 priority patent/WO2012174120A2/en
Priority to CN201280039685.XA priority patent/CN103733435B/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/712—Coupling devices for rigid printing circuits or like structures co-operating with the surface of the printed circuit or with a coupling device exclusively provided on the surface of the printed circuit
    • H01R12/716—Coupling device provided on the PCB
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/57—Fixed connections for rigid printed circuits or like structures characterised by the terminals surface mounting terminals
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • H01R13/405—Securing in non-demountable manner, e.g. moulding, riveting
    • H01R13/41—Securing in non-demountable manner, e.g. moulding, riveting by frictional grip in grommet, panel or base

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  • Coupling Device And Connection With Printed Circuit (AREA)
  • Connecting Device With Holders (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Multi-Conductor Connections (AREA)

Description

本発明は、多極コネクタに関するものである。   The present invention relates to a multipolar connector.

従来、半導体装置を回路基板に接続したり、基板同士を接続したりするために、多数の端子を備えるピングリッド配列コネクタである多極コネクタが使用されている（例えば、特許文献１参照。）。   Conventionally, in order to connect a semiconductor device to a circuit board or to connect substrates, a multipolar connector which is a pin grid array connector having a large number of terminals is used (for example, refer to Patent Document 1). .

図１２は従来のコネクタの端子取付け部分の断面図である。   FIG. 12 is a cross-sectional view of a terminal mounting portion of a conventional connector.

図において、８１１はコネクタのハウジングであり、樹脂等の絶縁性の材料から形成された板状の部材であって、複数のスルーホール８１３が形成されている。そして、ハウジング８１１の下面には、突出する複数のスタッド部材８１５が形成される。該スタッド部材８１５は凹部８１６を備え、該凹部８１６がスルーホール８１３に連通する。また、スタッド部材８１５の周囲は、導電性被覆８７１によって覆われている。   In the figure, reference numeral 811 denotes a connector housing, which is a plate-like member made of an insulating material such as resin, and has a plurality of through holes 813 formed therein. A plurality of protruding stud members 815 are formed on the lower surface of the housing 811. The stud member 815 includes a recess 816, and the recess 816 communicates with the through hole 813. The periphery of the stud member 815 is covered with a conductive coating 871.

そして、端子ピン８６１の各々は、スルーホール８１３内に収容される。すると、端子ピン８６１の上端に形成されたタブ部８６４は、ハウジング８１１の上面から突出し、端子ピン８６１の下端に形成された接触部８６２は、スタッド部材８１５の凹部８１６内に進入し、導電性被覆８７１と接触する。   Each of the terminal pins 861 is accommodated in the through hole 813. Then, the tab portion 864 formed at the upper end of the terminal pin 861 protrudes from the upper surface of the housing 811, and the contact portion 862 formed at the lower end of the terminal pin 861 enters into the concave portion 816 of the stud member 815 and becomes conductive. Contact the coating 871.

この状態で、ウェーブはんだ付（Ｗａｖｅ Ｓｏｌｄｅｒｉｎｇ）等の方法によってスタッド部材８１５の周囲にはんだ８８１を付着させた後、配線基板９１１の表面に形成された電極９５１にスタッド部材８１５の下端を当接させてはんだ付を行う。すると、はんだ８８１によって電極９５１とスタッド部材８１５の周囲の導電性被覆８７１とが電気的かつ機械的に接続され、その結果、電極９５１と端子ピン８６１と電気的に接続される。   In this state, after solder 881 is attached around the stud member 815 by a method such as wave soldering, the lower end of the stud member 815 is brought into contact with the electrode 951 formed on the surface of the wiring board 911. Solder. Then, the electrode 951 and the conductive coating 871 around the stud member 815 are electrically and mechanically connected by the solder 881, and as a result, the electrode 951 and the terminal pin 861 are electrically connected.

特開２００３−２１７７２０号公報JP 2003-217720 A

しかしながら、前記従来の多極コネクタにおいては、ハウジング８１１が水平方向に熱膨張すると、スタッド部材８１５と配線基板９１１の電極９５１との接続部分に応力を受けるので、はんだ８８１にクラックが生じてしまう。また、低背化するために端子ピン８６１の上下方向の寸法を短くすると、接触部８６２からスタッド部材８１５までの距離が短くなるので、いわゆるはんだ上がりやフラックス上がりの問題が発生する。さらに、端子ピン８６１の上下方向の寸法を短くすると、スルーホール８１３内における端子ピン８６１の安定性が低くなってしまう。   However, in the conventional multipolar connector, when the housing 811 is thermally expanded in the horizontal direction, a stress is applied to the connecting portion between the stud member 815 and the electrode 951 of the wiring board 911, so that the solder 881 is cracked. Further, if the vertical dimension of the terminal pin 861 is shortened in order to reduce the height, the distance from the contact portion 862 to the stud member 815 is shortened, so that a problem of so-called solder rise and flux rise occurs. Furthermore, if the vertical dimension of the terminal pin 861 is shortened, the stability of the terminal pin 861 in the through hole 813 is lowered.

本発明は、前記従来の多極コネクタの問題点を解決して、ハウジングに保持される端子の被保持部の上下方向の寸法を大きくすることによって、コネクタ全体を低背化しても、被保持部に形成されたアンカー部とスタビライザ部との距離を長くすることができ、ハウジングが熱膨張しても端子の安定性を維持することができ、多極化が可能であり、製造及び基板への実装が容易で、信頼性の高い多極コネクタを提供することを目的とする。   The present invention solves the problems of the conventional multi-pole connector and increases the vertical dimension of the held portion of the terminal held by the housing, so that even if the overall height of the connector is reduced, the held The distance between the anchor part formed in the part and the stabilizer part can be lengthened, the stability of the terminal can be maintained even if the housing is thermally expanded, multi-polarization is possible, and manufacturing and mounting on the board It is an object of the present invention to provide a multi-pole connector that is easy and reliable.

そのために、本発明の多極コネクタにおいては、一体的に形成されたハウジングと、複数対の列を形成するように前記ハウジングに取付けられた複数の端子とを有する多極コネクタであって、前記端子は、前記ハウジングの端子収容キャビティ内に収容される平板状の本体部と、該本体部の下端に接続され、基板に表面実装されるソルダーテールと、前記本体部の上端に接続され、相手方端子と接触する接触部と、前記本体部と面一になるように形成された平板状の部分であって、前記本体部の両側端に接続され、前記端子収容キャビティの両側に形成された保持側壁に保持される被保持部とを含み、該被保持部は、上下方向に延在し、かつ、その上端が前記本体部の上端よりも上方に位置し、その下端が前記本体部の下端よりも下方に位置し、前記被保持部の上部の側端縁には、前記保持側壁に食込むアンカー部が形成され、前記被保持部の下部の側端縁には、前記保持側壁に当接するスタビライザ部が形成され、前記本体部の後面は前記端子収容キャビティの背面に当接し、前記被保持部は前記保持側壁に保持される。 Therefore, the multipolar connector of the present invention is a multipolar connector having a housing formed integrally and a plurality of terminals attached to the housing so as to form a plurality of pairs of rows, The terminal is connected to the flat plate-shaped main body portion accommodated in the terminal accommodating cavity of the housing, the solder tail connected to the lower end of the main body portion and surface-mounted on the substrate, and the upper end of the main body portion. A contact portion that comes into contact with the terminal, and a flat plate-like portion formed so as to be flush with the main body portion, connected to both side ends of the main body portion, and held on both sides of the terminal receiving cavity A held portion that is held by the side wall, the held portion extends in the vertical direction, and has an upper end positioned above the upper end of the main body portion, and a lower end thereof that is a lower end of the main body portion. Position below , Wherein the upper side edges of the held portion, the anchored portion bites into the holding side walls formed, the bottom of the side edges of the holding portion, the stabilizer portion abuts is formed in the holding side walls , the rear surface of the body portion abuts a rear surface of the terminal receiving cavities, the held portion is Ru held by the holding side walls.

本発明の他の多極コネクタにおいては、さらに、前記端子収容キャビティは、上下方向に延在する幅狭部と、該幅狭部の下端に接続され、前記幅狭部よりも幅が広く、上下方向に延在する幅広部とを含み、前記接触部の少なくとも上部は前記幅狭部内に収容され、前記本体部及び被保持部は前記幅広部内に収容される。
In another multipolar connector of the present invention, the terminal accommodating cavity is further connected to a narrow portion extending in the vertical direction and a lower end of the narrow portion, and is wider than the narrow portion, and a wide portion extending in the vertical direction, at least an upper portion of the contact portion is received in the narrow portion, the body portion and the holding portion is accommodated in the wide portion.

本発明の更に他の多極コネクタにおいては、さらに、前記ソルダーテールは、前記本体部の下端に接続された応力緩和部と、該応力緩和部の下端に接続された接続部とを含み、該接続部は、前記端子収容キャビティの下端より下方に突出し、前記基板の表面の端子接続パッドに接続される。   In still another multipolar connector of the present invention, the solder tail further includes a stress relaxation portion connected to the lower end of the main body portion, and a connection portion connected to the lower end of the stress relaxation portion, The connecting portion protrudes downward from the lower end of the terminal accommodating cavity and is connected to the terminal connecting pad on the surface of the substrate.

本発明の更に他の多極コネクタにおいては、さらに、前記接続部は、円板状の形状を備え、前記本体部の前面よりも前方に位置する。   In still another multipolar connector according to the present invention, the connection portion has a disk shape and is located in front of the front surface of the main body portion.

本発明の更に他の多極コネクタにおいては、さらに、前記応力緩和部は、前記本体部より狭い幅を備え、前記本体部に対してほぼ直交するように前方に向けて延出した後、曲げられて、その先端が後方に向っている。   In still another multi-pole connector of the present invention, the stress relaxation portion has a narrower width than the main body portion, and extends forward so as to be substantially orthogonal to the main body portion, and then bent. And its tip is pointing backwards.

本発明によれば、多極コネクタは、ハウジングに保持される端子の被保持部の上下方向の寸法を大きくするようになっている。これにより、コネクタ全体を低背化しても、被保持部に形成されたアンカー部とスタビライザ部との距離を長くすることができ、ハウジングが熱膨張しても端子の安定性を維持することができる。そのため、多極化が可能であり、製造及び基板への実装が容易となり、信頼性が向上する。   According to the present invention, the multipolar connector is configured to increase the vertical dimension of the held portion of the terminal held by the housing. As a result, even if the overall height of the connector is lowered, the distance between the anchor portion formed on the held portion and the stabilizer portion can be increased, and the stability of the terminal can be maintained even if the housing is thermally expanded. it can. Therefore, multipolarization is possible, manufacturing and mounting on a substrate are facilitated, and reliability is improved.

本発明の実施の形態における第１コネクタの斜視図である。It is a perspective view of the 1st connector in an embodiment of the invention. 本発明の実施の形態における第１コネクタの第１の二面図であり、（ａ）は上面図、（ｂ）は第１の側面図である。It is the 1st two views of the 1st connector in an embodiment of the invention, (a) is a top view and (b) is the 1st side view. 本発明の実施の形態における第１コネクタの第２の二面図であり、（ａ）は第２の側面図、（ｂ）は下面図である。It is the 2nd 2nd page figure of the 1st connector in an embodiment of the invention, (a) is the 2nd side view and (b) is a bottom view. 本発明の実施の形態における第１端子の斜視図であり、（ａ）は左上方から観た前方斜視図、（ｂ）は右上方から観た後方斜視図、（ｃ）は左下方から観た前方斜視図、（ｄ）は右下方から観た後方斜視図である。It is a perspective view of the 1st terminal in an embodiment of the invention, (a) is a front perspective view seen from the upper left, (b) is a rear perspective view seen from the upper right, and (c) is seen from lower left. (D) is a rear perspective view seen from the lower right. 本発明の実施の形態における第１端子と第１端子収容キャビティとの関係を説明する図であり、（ａ）は第１端子収容キャビティの正面図、（ｂ）は第１端子収容キャビティの側断面図、（ｃ）は第１端子を収容した第１端子収容キャビティの正面図、（ｄ）は第１端子を収容した第１端子収容キャビティの側断面図である。It is a figure explaining the relationship between the 1st terminal in embodiment of this invention, and a 1st terminal accommodating cavity, (a) is a front view of a 1st terminal accommodating cavity, (b) is the 1st terminal accommodating cavity side. Sectional drawing, (c) is a front view of the 1st terminal accommodation cavity which accommodated the 1st terminal, (d) is a sectional side view of the 1st terminal accommodation cavity which accommodated the 1st terminal. 本発明の実施の形態における第２コネクタの斜視図である。It is a perspective view of the 2nd connector in an embodiment of the invention. 本発明の実施の形態における第２コネクタの第１の二面図であり、（ａ）は上面図、（ｂ）は第１の側面図である。It is the 1st two views of the 2nd connector in an embodiment of the invention, (a) is a top view and (b) is the 1st side view. 本発明の実施の形態における第２コネクタの第２の二面図であり、（ａ）は第２の側面図、（ｂ）は下面図である。It is the 2nd two views of the 2nd connector in an embodiment of the invention, (a) is the 2nd side view and (b) is a bottom view. 本発明の実施の形態における第２端子の斜視図であり、（ａ）は左上方から観た前方斜視図、（ｂ）は右上方から観た後方斜視図、（ｃ）は左下方から観た前方斜視図、（ｄ）は右下方から観た後方斜視図である。It is a perspective view of the 2nd terminal in an embodiment of the invention, (a) is a front perspective view seen from the upper left, (b) is a rear perspective view seen from the upper right, and (c) is seen from lower left. (D) is a rear perspective view seen from the lower right. 本発明の実施の形態における第２端子と第２端子収容キャビティとの関係を説明する図であり、（ａ）は第２端子収容キャビティの正面図、（ｂ）は第２端子収容キャビティの側断面図、（ｃ）は第２端子を収容した第２端子収容キャビティの正面図、（ｄ）は第２端子を収容した第２端子収容キャビティの側断面図である。It is a figure explaining the relationship between the 2nd terminal and 2nd terminal accommodating cavity in embodiment of this invention, (a) is a front view of a 2nd terminal accommodating cavity, (b) is the 2nd terminal accommodating cavity side. Sectional drawing, (c) is a front view of the 2nd terminal accommodation cavity which accommodated the 2nd terminal, (d) is a sectional side view of the 2nd terminal accommodation cavity which accommodated the 2nd terminal. 本発明の実施の形態における第１コネクタと第２コネクタとを嵌合する動作を説明する図であり、（ａ）は第１コネクタと第２コネクタとを嵌合する前の状態を示す断面図、（ｂ）は第１コネクタと第２コネクタとを嵌合した状態を示す断面図である。It is a figure explaining the operation | movement which fits the 1st connector and 2nd connector in embodiment of this invention, (a) is sectional drawing which shows the state before fitting a 1st connector and a 2nd connector (B) is sectional drawing which shows the state which fitted the 1st connector and the 2nd connector. 従来のコネクタの端子取付け部分の断面図である。It is sectional drawing of the terminal attachment part of the conventional connector.

以下、本発明の実施の形態について図面を参照しながら詳細に説明する。   Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings.

図１は本発明の実施の形態における第１コネクタの斜視図、図２は本発明の実施の形態における第１コネクタの第１の二面図、図３は本発明の実施の形態における第１コネクタの第２の二面図である。なお、図２において、（ａ）は上面図、（ｂ）は第１の側面図であり、図３において、（ａ）は第２の側面図、（ｂ）は下面図である。   1 is a perspective view of a first connector according to an embodiment of the present invention, FIG. 2 is a first two-view diagram of the first connector according to the embodiment of the present invention, and FIG. 3 is a first view according to the embodiment of the present invention. It is a 2nd two-plane figure of a connector. 2A is a top view, FIG. 2B is a first side view, FIG. 3A is a second side view, and FIG. 2B is a bottom view.

図において、１０は本実施の形態における一対の多極コネクタの一方としての第１コネクタであり、図示されない第１基板の表面に実装される表面実装型のコネクタである。そして、前記第１コネクタ１０は、相手方コネクタである後述される第２コネクタ１０１に嵌（かん）合される。なお、該第２コネクタ１０１は、本実施の形態における一対の多極コネクタの他方としての第２コネクタであり、図示されない第２基板の表面に実装される表面実装型のコネクタである。本実施の形態における多極コネクタは、前記第１コネクタ１０及び第２コネクタ１０１を含み、一対の回路基板としての第１基板及び第２基板を電気的に接続する。なお、前記第１基板及び第２基板は、例えば、電子機器等に使用されるプリント回路基板、フレキシブルフラットケーブル（ＦＦＣ：Ｆｌｅｘｉｂｌｅ Ｆｌａｔ Ｃａｂｌｅ）、フレキシブル回路基板（ＦＰＣ：Ｆｌｅｘｉｂｌｅ Ｐｒｉｎｔｅｄ Ｃｉｒｃｕｉｔ）等であるが、いかなる種類の基板であってもよい。   In the figure, reference numeral 10 denotes a first connector as one of a pair of multipolar connectors in the present embodiment, which is a surface mount type connector mounted on the surface of a first substrate (not shown). The first connector 10 is fitted (engaged) with a second connector 101, which will be described later, which is a counterpart connector. The second connector 101 is a second connector as the other of the pair of multipolar connectors in the present embodiment, and is a surface mount type connector mounted on the surface of a second substrate (not shown). The multipolar connector in the present embodiment includes the first connector 10 and the second connector 101, and electrically connects the first board and the second board as a pair of circuit boards. The first substrate and the second substrate are, for example, a printed circuit board, a flexible flat cable (FFC), a flexible printed circuit (FPC), or the like used for an electronic device or the like. Any type of substrate may be used.

また、本実施の形態において、多極コネクタの各部の構成及び動作を説明するために使用される上、下、左、右、前、後等の方向を示す表現は、絶対的なものでなく相対的なものであり、前記多極コネクタの各部が図に示される姿勢である場合に適切であるが、その姿勢が変化した場合には姿勢の変化に応じて変更して解釈されるべきものである。   Also, in this embodiment, expressions indicating directions such as upper, lower, left, right, front, rear, etc. used for explaining the configuration and operation of each part of the multipolar connector are not absolute. Relative and appropriate when each part of the multi-pole connector has the posture shown in the figure, but when that posture changes, it should be interpreted according to the change in posture It is.

この場合、前記第１コネクタ１０は、合成樹脂等の絶縁性材料によって一体的に形成されたハウジングとしての第１ハウジング１１を有する。該第１ハウジング１１は、図１〜３に示されるように、概略長方形の厚板状の形状を備え、第２コネクタ１０１が嵌入される側、すなわち、嵌合面側（図１における上側）には、底面が底板部１６の上面１６ａによって画定され、周囲が側壁部１４によって囲まれた概略長方形の凹部１２が形成されている。   In this case, the first connector 10 includes a first housing 11 as a housing integrally formed of an insulating material such as synthetic resin. As shown in FIGS. 1 to 3, the first housing 11 has a substantially rectangular thick plate shape, and the side on which the second connector 101 is inserted, that is, the fitting surface side (upper side in FIG. 1). A substantially rectangular recess 12 is formed in which the bottom surface is defined by the upper surface 16 a of the bottom plate portion 16 and the periphery is surrounded by the side wall portion 14.

なお、前記第１コネクタ１０は、典型的には、極数が百以上乃至千以上の多極コネクタであり、平面形状が細長いものとなるので、図１〜３には、説明の都合上、長手方向（図１における右上と左下を結ぶ方向、図２（ａ）における上下方向、図３（ｂ）における左右方向）における中心部分を切断して除去した状態が示されている。   Note that the first connector 10 is typically a multipolar connector having a pole number of one hundred or more and one thousand or more, and has an elongated planar shape. A state in which the central portion in the longitudinal direction (the direction connecting the upper right and the lower left in FIG. 1, the vertical direction in FIG. 2A, the horizontal direction in FIG. 3B) is cut and removed is shown.

そして、前記凹部１２内には、複数の凸条部１３が前記第１ハウジング１１と一体的に形成されている。この場合、前記凸条部１３は、底板部１６の上面１６ａから上方に向けて突出し、第１ハウジング１１の長手方向に延在する。これにより、前記凸条部１３の両側には、第１ハウジング１１の長手方向に延在する細長い溝部１２ａが形成される。なお、図示される例において、前記凸条部１３は５本であるが、その数は、単数であっても複数であってもよく、いくつであってもよい。   In the recess 12, a plurality of ridges 13 are formed integrally with the first housing 11. In this case, the ridge 13 projects upward from the upper surface 16 a of the bottom plate 16 and extends in the longitudinal direction of the first housing 11. As a result, elongated groove portions 12 a extending in the longitudinal direction of the first housing 11 are formed on both sides of the ridge portion 13. In the illustrated example, the number of the ridges 13 is five, but the number thereof may be singular, plural, or any number.

ここで、前記凸条部１３の両側の側壁には、端子としての第１端子６１を収容する端子収容キャビティとしての第１端子収容キャビティ１５が形成されている。該第１端子収容キャビティ１５は、各凸条部１３の両側の側壁の各々に、例えば、約１〔ｍｍ〕のピッチで複数個形成されている。そして、第１端子収容キャビティ１５の各々に第１端子６１が１個ずつ収容される。なお、前記第１端子収容キャビティ１５及び第１端子６１のピッチ及び数は適宜設定することができる。   Here, first terminal accommodating cavities 15 as terminal accommodating cavities for accommodating first terminals 61 as terminals are formed on the side walls on both sides of the ridge 13. A plurality of the first terminal accommodating cavities 15 are formed on each side wall on both sides of each ridge 13 with a pitch of about 1 mm, for example. One first terminal 61 is accommodated in each of the first terminal accommodating cavities 15. The pitch and the number of the first terminal accommodating cavities 15 and the first terminals 61 can be set as appropriate.

また、前記第１ハウジング１１の長手方向両端には第１嵌合ガイド部としての第１膨出部１４ａが配設されている。該第１膨出部１４ａは、側壁部１４の一部が外方へ膨出するような形状を備える。なお、図に示される例では、第１ハウジング１１の長手方向の一端に１つ、他端に２つ形成されているが、第１膨出部１４ａの数及び配置は、適宜設定することができる。そして、前記第１膨出部１４ａには、第１コネクタ１及び第２コネクタ１０１が嵌合された状態において、該第２コネクタ１０１が備える後述される第２膨出部１１４ａが挿入される。   Further, first bulging portions 14 a as first fitting guide portions are disposed at both longitudinal ends of the first housing 11. The first bulging portion 14a has a shape such that a part of the side wall portion 14 bulges outward. In the example shown in the figure, one is formed at one end in the longitudinal direction of the first housing 11 and two are formed at the other end. However, the number and arrangement of the first bulging portions 14a can be set as appropriate. it can. The first bulging portion 14a is inserted with a later-described second bulging portion 114a included in the second connector 101 in a state where the first connector 1 and the second connector 101 are fitted.

さらに、前記第１ハウジング１１の底板部１６の下面１６ｂにおける周囲部の複数箇所には、下方に向けて突出する第１ハウジング脚１７が形成されている。該第１ハウジング脚１７は、その下面が第１基板の表面に当接し、これにより、第１基板の表面と底板部１６の下面１６ｂとの間に所定の距離を維持するスペーサとして機能する。   Furthermore, first housing legs 17 projecting downward are formed at a plurality of locations around the lower surface 16 b of the bottom plate portion 16 of the first housing 11. The lower surface of the first housing leg 17 abuts on the surface of the first substrate, thereby functioning as a spacer that maintains a predetermined distance between the surface of the first substrate and the lower surface 16 b of the bottom plate portion 16.

また、前記第１端子収容キャビティ１５は、凸条部１３の上面から底板部１６の下面１６ｂにまで連通するように形成され、前記底板部１６の下面１６ｂからは、図２及び３に示されるように、第１端子６１のテール部６２が下方に延出した状態となっている。各第１端子６１のテール部６２は、いわゆるソルダーテールであって、第１基板上の導電トレースに連結された端子接続パッドにはんだ付等によって接続される。   Further, the first terminal accommodating cavity 15 is formed so as to communicate from the upper surface of the ridge portion 13 to the lower surface 16b of the bottom plate portion 16, and is shown in FIGS. 2 and 3 from the lower surface 16b of the bottom plate portion 16. As described above, the tail portion 62 of the first terminal 61 extends downward. The tail portion 62 of each first terminal 61 is a so-called solder tail, and is connected to a terminal connection pad connected to a conductive trace on the first substrate by soldering or the like.

次に、前記第１端子６１の構成について説明する。   Next, the configuration of the first terminal 61 will be described.

図４は本発明の実施の形態における第１端子の斜視図である。なお、図において、（ａ）は左上方から観た前方斜視図、（ｂ）は右上方から観た後方斜視図、（ｃ）は左下方から観た前方斜視図、（ｄ）は右下方から観た後方斜視図である。   FIG. 4 is a perspective view of the first terminal in the embodiment of the present invention. In the figure, (a) is a front perspective view seen from the upper left, (b) is a rear perspective view seen from the upper right, (c) is a front perspective view seen from the lower left, and (d) is lower right. It is the back perspective view seen from.

図に示されるように、第１端子６１は、テール部６２、本体部６３、被保持部６４及び接触部６５を備え、導電性の金属板を打抜き、曲げ等の加工を施すことによって一体的に形成されている。   As shown in the figure, the first terminal 61 includes a tail portion 62, a main body portion 63, a held portion 64, and a contact portion 65, and is integrally formed by punching a conductive metal plate and performing processing such as bending. Is formed.

ここで、前記本体部６３は、概略矩（く）形の平板状の部分である。また、前記接触部６５は、相手方端子である後述される第２端子１６１と接触する部分であり、本体部６３と同程度の幅を備え、本体部６３の上端に接続された湾曲部６５ａと、該湾曲部６５ａの上端に接続された基部６５ｂと、該基部６５ｂの上端に接続され、分離スリット６５ｃによって左右に分離された接触腕部６５ｄと、該接触腕部６５ｄの途中を屈曲することにより形成された接触凸部６５ｅと、前記接触腕部６５ｄの上端部であって前記接触凸部６５ｅよりも先端側に位置する先端部６５ｆとを含んでいる。   Here, the main body 63 is a substantially rectangular plate-shaped portion. The contact portion 65 is a portion that comes into contact with a second terminal 161, which will be described later, which is a counterpart terminal. The contact portion 65 has a width similar to that of the main body portion 63 and is connected to the upper end of the main body portion 63. A base portion 65b connected to the upper end of the bending portion 65a, a contact arm portion 65d connected to the upper end of the base portion 65b and separated to the left and right by a separation slit 65c, and a middle portion of the contact arm portion 65d. And a front end portion 65f which is an upper end portion of the contact arm portion 65d and is located on the front end side with respect to the contact convex portion 65e.

そして、前記湾曲部６５ａは、緩やかなＳ字状の側面を備え、本体部６３から緩やかな傾斜角度で前方斜め上に向けて延出する。また、前記基部６５ｂは、湾曲部６５ａよりやや広い幅を備えた平板状の部分であり、本体部６３に対して緩やかな傾斜角度で前方斜め上に向けて延出し、弾性的に変形可能であり、ばねとして機能する。さらに、前記接触腕部６５ｄも、本体部６３に対して緩やかな傾斜角度で前方斜め上に向けて延出し、弾性的に変形可能であり、ばねとして機能する。なお、前記接触腕部６５ｄは、基部６５ｂと同程度の幅を備える細長い板状の部分であるが、先端から長手方向に延在するように形成された分離スリット６５ｃによって左右に分離されている。これにより、左右の接触腕部６５ｄが各々独立に弾性的に変形可能となり、第２端子１６１との相対的位置関係が変化した場合であっても、第２端子１６１との接触を確実に維持することができる。また、先端部６５ｆは、接触凸部６５ｅから後方斜め上に向けて延出するので、その先端が接触凸部６５ｅよりも後方に位置する。これにより、第１コネクタ１と第２コネクタ１０１とが嵌合される際に、第２端子１６１との接触がスムーズに行われる。   The curved portion 65a has a gentle S-shaped side surface, and extends from the main body portion 63 obliquely forward and upward at a gentle inclination angle. The base portion 65b is a flat plate portion having a slightly wider width than the curved portion 65a. The base portion 65b extends forward and obliquely upward with a gentle inclination angle with respect to the main body portion 63, and is elastically deformable. Yes, it functions as a spring. Further, the contact arm portion 65d also extends obliquely forward and obliquely upward with respect to the main body portion 63, is elastically deformable, and functions as a spring. The contact arm portion 65d is an elongated plate-like portion having a width comparable to that of the base portion 65b, but is separated to the left and right by a separation slit 65c formed so as to extend in the longitudinal direction from the tip. . As a result, the left and right contact arm portions 65d can be elastically deformed independently, and even when the relative positional relationship with the second terminal 161 changes, the contact with the second terminal 161 is reliably maintained. can do. Moreover, since the front-end | tip part 65f is extended toward the back diagonally upward from the contact convex part 65e, the front-end | tip is located back rather than the contact convex part 65e. Thereby, when the 1st connector 1 and the 2nd connector 101 are fitted, the contact with the 2nd terminal 161 is performed smoothly.

また、前記テール部６２は、本体部６３の下端に接続された応力緩和部６２ａと、該応力緩和部６２ａの下端に接続された接続部６２ｂとを含んでいる。前記応力緩和部６２ａは、本体部６３より狭い幅を備えた細長い部分であり、略Ｕ字状又はＪ字状の側面形状を備え、本体部６３の下端に曲げて接続され、本体部６３に対してほぼ直交するように前方に向けて延出した後、ほぼ１８０度曲げられて、その先端が後方に向っている。また、前記接続部６２ｂは、円板状の部分であり、前記応力緩和部６２ａの下端、すなわち、先端に接続され、本体部６３に対して、ほぼ直交する方向に延在する。   The tail portion 62 includes a stress relaxation portion 62a connected to the lower end of the main body portion 63 and a connection portion 62b connected to the lower end of the stress relaxation portion 62a. The stress relaxation part 62 a is an elongated part having a narrower width than the main body part 63, has a substantially U-shaped or J-shaped side surface shape, is bent and connected to the lower end of the main body part 63, and is connected to the main body part 63. After extending toward the front so as to be substantially orthogonal to the front, it is bent by approximately 180 degrees and its tip is directed rearward. The connecting portion 62b is a disk-shaped portion, is connected to the lower end, that is, the tip end of the stress relaxation portion 62a, and extends in a direction substantially orthogonal to the main body portion 63.

前記接続部６２ｂは、その下面が第１基板上の端子接続パッドの上面に対向した状態で、はんだ付等によって前記端子接続パッドに接続される部分であるが、円板状の形状を備え、かつ、応力緩和部６２ａが柔軟に変形可能なので、第１端子６１の本体部６３と前記端子接続パッドとの相対的位置関係が変化した場合であっても、はんだへの応力の集中を回避することができ、はんだにクラックが生じたり、前記端子接続パッドから分離したりしてしまうことがない。また、応力緩和部６２ａを通っての接続部６２ｂから本体部６３までの距離が長くなるので、はんだ上がり、フラックス上がり等の現象を防止することができる。   The connection portion 62b is a portion connected to the terminal connection pad by soldering or the like with the lower surface thereof facing the upper surface of the terminal connection pad on the first substrate, and has a disk shape. And since the stress relaxation part 62a can deform | transform flexibly, even if it is a case where the relative positional relationship of the main-body part 63 of the 1st terminal 61 and the said terminal connection pad changes, concentration of the stress to a solder is avoided. In other words, the solder is not cracked or separated from the terminal connection pad. Moreover, since the distance from the connection part 62b through the stress relaxation part 62a to the main-body part 63 becomes long, phenomena, such as a solder rise and flux rise, can be prevented.

さらに、前記被保持部６４は、本体部６３と面一となるように形成された平板状の部分であり、本体部６３の両側端から幅方向外方に向けて各々延出する。そして、各被保持部６４は、その上端から上方に向けて延出する上方延出部６４ａと、その下端から下方に向けて延出する下方延出部６４ｂとを含んでいる。前記上方延出部６４ａは、その上端が本体部６３の上端よりも上方に位置し、前記下方延出部６４ｂは、その下端が本体部６３の下端よりも下方に位置する。したがって、上方延出部６４ａの上端から下方延出部６４ｂの下端までの距離、つまり、被保持部６４の上下方向の寸法は、本体部６３の上端から下端までの距離、つまり、本体部６３の上下方向の寸法よりも大きい。   Further, the held portion 64 is a flat plate portion formed so as to be flush with the main body portion 63, and extends from both side ends of the main body portion 63 outward in the width direction. Each held portion 64 includes an upper extending portion 64a extending upward from its upper end and a lower extending portion 64b extending downward from its lower end. The upper extension part 64 a has an upper end located above the upper end of the main body part 63, and the lower extension part 64 b has a lower end located below the lower end of the main body part 63. Therefore, the distance from the upper end of the upper extension portion 64a to the lower end of the lower extension portion 64b, that is, the vertical dimension of the held portion 64 is the distance from the upper end to the lower end of the main body portion 63, that is, the main body portion 63. It is larger than the vertical dimension.

そして、各被保持部６４の側端縁には、外方に向けて突出する突起状のアンカー部６４ｃと、上下方向に延在する平滑なスタビライザ部６４ｄとが形成されている。具体的には、被保持部６４の上部の側端縁にはアンカー部６４ｃが形成され、被保持部６４の下部の側端縁にはスタビライザ部６４ｄが形成されている。本実施の形態において、第１端子６１は第１端子収容キャビティ１５内に圧入されて収容されるが、前記アンカー部６４ｃは、第１端子収容キャビティ１５の後述される保持側壁１５ｄに食込む部分であり、前記スタビライザ部６４ｄは保持側壁１５ｄに当接する部分である。そして、本実施の形態においては、被保持部６４の上下方向の寸法が大きく、少なくとも本体部６３の上下方向の寸法よりも大きいので、アンカー部６４ｃとスタビライザ部６４ｄとの間隔を大きくすることができ、その結果、第１端子収容キャビティ１５内における第１端子６１の姿勢が安定する。なお、前記アンカー部６４ｃ及びスタビライザ部６４ｄの位置は、適宜変更することができ、例えば、アンカー部６４ｃを図に示される例よりも上方に形成し、スタビライザ部６４ｄを図に示される例よりも下方に形成することもできる。   Then, on the side edge of each held portion 64, a protruding anchor portion 64c protruding outward and a smooth stabilizer portion 64d extending in the vertical direction are formed. Specifically, an anchor portion 64 c is formed at the upper side edge of the held portion 64, and a stabilizer portion 64 d is formed at the lower side edge of the held portion 64. In the present embodiment, the first terminal 61 is press-fitted and accommodated in the first terminal accommodating cavity 15, but the anchor portion 64 c is a portion that bites into a holding side wall 15 d described later of the first terminal accommodating cavity 15. The stabilizer portion 64d is a portion in contact with the holding side wall 15d. In the present embodiment, the vertical dimension of the held portion 64 is large and at least larger than the vertical dimension of the main body portion 63, so that the interval between the anchor portion 64c and the stabilizer portion 64d can be increased. As a result, the posture of the first terminal 61 in the first terminal accommodating cavity 15 is stabilized. The positions of the anchor part 64c and the stabilizer part 64d can be changed as appropriate. For example, the anchor part 64c is formed above the example shown in the figure, and the stabilizer part 64d is more than the example shown in the figure. It can also be formed below.

次に、前記第１ハウジング１１に装填（てん）された状態の第１端子６１を説明する。   Next, the first terminal 61 loaded in the first housing 11 will be described.

図５は本発明の実施の形態における第１端子と第１端子収容キャビティとの関係を説明する図である。なお、図において、（ａ）は第１端子収容キャビティの正面図、（ｂ）は第１端子収容キャビティの側断面図、（ｃ）は第１端子を収容した第１端子収容キャビティの正面図、（ｄ）は第１端子を収容した第１端子収容キャビティの側断面図である。   FIG. 5 is a diagram for explaining the relationship between the first terminal and the first terminal accommodating cavity in the embodiment of the present invention. In the figure, (a) is a front view of the first terminal accommodating cavity, (b) is a side sectional view of the first terminal accommodating cavity, and (c) is a front view of the first terminal accommodating cavity accommodating the first terminal. (D) is a sectional side view of the 1st terminal accommodation cavity which accommodated the 1st terminal.

なお、図においては、説明の都合上、第１ハウジング１１における一つの第１端子収容キャビティ１５とその周囲の部分のみが描画されており、その他の部分の図示が省略されている。   In the drawing, for convenience of explanation, only one first terminal accommodating cavity 15 and its surrounding portion in the first housing 11 are drawn, and the other portions are not shown.

図に示されるように、第１端子収容キャビティ１５は、上下方向に延在する幅の狭い溝状の空間である幅狭部１５ａと、該幅狭部１５ａの下端に接続され、幅狭部１５ａよりも幅が広く、上下に延在する空間である幅広部１５ｂと、該幅広部１５ｂとほぼ同一の幅を備え、底板部１６をその上面１６ａから下面１６ｂまで貫通する底板貫通部１５ｃとを含んでいる。なお、前記幅狭部１５ａと幅広部１５ｂの上側の部分とは凸条部１３の側壁に凹入するように形成され、前記底板貫通部１５ｃと幅広部１５ｂの下側の部分とは一体化されて、底板部１６を上下に貫通するように形成されている。   As shown in the figure, the first terminal accommodating cavity 15 is connected to the narrow portion 15a, which is a narrow groove-like space extending in the vertical direction, and the lower end of the narrow portion 15a. A wide portion 15b which is wider than 15a and extends vertically, and a bottom plate penetrating portion 15c which has substantially the same width as the wide portion 15b and penetrates the bottom plate portion 16 from the upper surface 16a to the lower surface 16b. Is included. The narrow portion 15a and the upper portion of the wide portion 15b are formed so as to be recessed into the side wall of the ridge portion 13, and the bottom plate penetrating portion 15c and the lower portion of the wide portion 15b are integrated. Thus, the bottom plate portion 16 is formed so as to penetrate vertically.

そして、第１端子６１は、第１ハウジング１１の下方から、すなわち、底板部１６の下面１６ｂの側から、第１端子収容キャビティ１５内に圧入される。具体的には、図５（ｃ）及び（ｄ）に示されるように、本体部６３の後面（テール部６２が延出する方向と反対側の面）が、第１端子収容キャビティ１５の背面１５ｅに当接するような姿勢で、第１端子６１は第１端子収容キャビティ１５内に圧入されて収容される。この場合、幅広部１５ｂの両側に形成された保持側壁１５ｄ同士の間隔よりも、第１端子６１の左右のアンカー部６４ｃの先端同士の間隔のほうが広くなるように設定されているので、アンカー部６４ｃが保持側壁１５ｄに食込んで掛止される。これにより、被保持部６４が幅広部１５ｂの保持側壁１５ｄによって保持された状態となり、第１端子６１は第１端子収容キャビティ１５内に収容されて保持される。   The first terminal 61 is press-fitted into the first terminal accommodating cavity 15 from below the first housing 11, that is, from the lower surface 16 b side of the bottom plate portion 16. Specifically, as shown in FIGS. 5C and 5D, the rear surface of the main body 63 (the surface opposite to the direction in which the tail portion 62 extends) is the back surface of the first terminal accommodating cavity 15. The first terminal 61 is press-fitted and accommodated in the first terminal accommodating cavity 15 in such a posture as to abut against 15e. In this case, the distance between the distal ends of the left and right anchor portions 64c of the first terminal 61 is set to be wider than the distance between the holding side walls 15d formed on both sides of the wide portion 15b. 64c bites into the holding side wall 15d and is hooked. As a result, the held portion 64 is held by the holding side wall 15d of the wide portion 15b, and the first terminal 61 is housed and held in the first terminal housing cavity 15.

また、左右のスタビライザ部６４ｄ同士の間隔も、アンカー部６４ｃの先端同士の間隔とほぼ同様に設定されているので、スタビライザ部６４ｄが保持側壁１５ｄに当接して押付けられる。そのため、被保持部６４は、上下方向の広い範囲に亘（わた）って幅広部１５ｂの保持側壁１５ｄによって挟み込まれて保持された状態となり、第１端子６１は第１端子収容キャビティ１５内における保持が確実となり、第１端子６１が第１端子収容キャビティ１５から外れることが防止される。また、被保持部６４の上部にアンカー部６４ｃが形成され、被保持部６４の下部にスタビライザ部６４ｄが形成されているので、上下方向に関して、アンカー部６４ｃとスタビライザ部６４ｄとの間隔が大きいため、被保持部６４は、上下方向の非常に広い範囲に亘って幅広部１５ｂの保持側壁１５ｄによって保持された状態となり、姿勢が安定する。そのため、第１端子６１は、第１端子収容キャビティ１５に対して、図５（ｃ）における左右方向に傾斜することがない。   Further, since the interval between the left and right stabilizer portions 64d is also set substantially the same as the interval between the tips of the anchor portions 64c, the stabilizer portion 64d is pressed against the holding side wall 15d. Therefore, the held portion 64 is sandwiched and held by the holding side wall 15d of the wide portion 15b over a wide range in the vertical direction, and the first terminal 61 is in the first terminal accommodating cavity 15. The holding is ensured and the first terminal 61 is prevented from being detached from the first terminal accommodating cavity 15. Moreover, since the anchor part 64c is formed in the upper part of the held part 64 and the stabilizer part 64d is formed in the lower part of the held part 64, the distance between the anchor part 64c and the stabilizer part 64d is large in the vertical direction. The held portion 64 is held by the holding side wall 15d of the wide portion 15b over a very wide range in the vertical direction, and the posture is stabilized. Therefore, the first terminal 61 does not tilt in the left-right direction in FIG. 5C with respect to the first terminal accommodating cavity 15.

なお、第１端子６１の第１端子収容キャビティ１５内への収容が完了した状態では、接触部６５の基部６５ｂ及び接触腕部６５ｄ、すなわち、接触部６５の少なくとも上部は、幅狭部１５ａ内に収容され、接触部６５の湾曲部６５ａ、本体部６３及び被保持部６４は幅広部１５ｂ内に収容される。もっとも、前述のように、接触部６５の湾曲部６５ａ及び基部６５ｂは、本体部６３に対して緩やかな傾斜角度で前方斜め上に向けて延出するので、側方から観ると、図５（ｄ）に示されるように、第１端子収容キャビティ１５の背面１５ｅから離間し、凸条部１３の側壁に近付いている。そして、接触腕部６５ｄは、本体部６３に対して緩やかな傾斜角度で前方斜め上に向けて基部６５ｂの上端から延出するので、接触凸部６５ｅの周囲の部分は、背面１５ｅから離間して幅狭部１５ａの外方へ突出している。つまり、凸条部１３の側壁の外側に突出している。さらに、基部６５ｂ及び接触腕部６５ｄの幅は、幅狭部１５ａの幅よりも狭くなっている。そのため、第１コネクタ１と第２コネクタ１０１とが嵌合される際に、第２端子１６１と当接して該第２端子１６１によって押圧されても、幅狭部１５ａが後方に弾性的に変位することができるので、第２端子１６１との接触を確実に維持することができる。   When the first terminal 61 is completely accommodated in the first terminal accommodating cavity 15, the base portion 65b and the contact arm portion 65d of the contact portion 65, that is, at least the upper portion of the contact portion 65 is in the narrow portion 15a. The curved portion 65a, the main body portion 63, and the held portion 64 of the contact portion 65 are accommodated in the wide portion 15b. However, as described above, the curved portion 65a and the base portion 65b of the contact portion 65 extend forward and obliquely upward with a gentle inclination angle with respect to the main body portion 63. Therefore, when viewed from the side, FIG. As shown in d), the first terminal accommodating cavity 15 is separated from the back surface 15e and approaches the side wall of the ridge 13. Since the contact arm portion 65d extends from the upper end of the base portion 65b toward the front diagonally upward with a gentle inclination angle with respect to the main body portion 63, the portion around the contact convex portion 65e is separated from the back surface 15e. Projecting outward from the narrow portion 15a. That is, it protrudes outside the side wall of the ridge 13. Furthermore, the width of the base portion 65b and the contact arm portion 65d is narrower than the width of the narrow portion 15a. Therefore, even when the first connector 1 and the second connector 101 are fitted, the narrow portion 15a is elastically displaced rearward even if the second terminal 161 comes into contact with and is pressed by the second terminal 161. Therefore, the contact with the second terminal 161 can be reliably maintained.

なお、先端部６５ｆの先端は、接触凸部６５ｅよりも背面１５ｅ寄りに位置し、幅狭部１５ａの内方に留まり、凸条部１３の側壁の外側に出ていない。そのため、第１コネクタ１と第２コネクタ１０１とが嵌合される際に、第２コネクタ１０１の部材が先端部６５ｆの先端に引っ掛かってしまうことがない。また、異物の当接等の原因によって接触凸部６５ｅが幅方向（図５（ｃ）における左右方向）の力を受けても、接触腕部６５ｄが幅方向に変位して隣接する第１端子６１の接触腕部６５ｄと接触したり、対応する第２端子１６１に隣接する第２端子１６１と接触したりして、短絡が発生することがない。   The tip of the tip 65f is located closer to the back surface 15e than the contact projection 65e, stays inward of the narrow portion 15a, and does not protrude outside the side wall of the ridge 13. Therefore, when the 1st connector 1 and the 2nd connector 101 are fitted, the member of the 2nd connector 101 does not get caught in the tip of tip part 65f. Further, even if the contact convex portion 65e receives a force in the width direction (the left-right direction in FIG. 5C) due to a foreign matter contact or the like, the contact arm portion 65d is displaced in the width direction and adjacent to the first terminal. No short circuit occurs due to contact with the contact arm portion 65d of 61 or contact with the second terminal 161 adjacent to the corresponding second terminal 161.

そして、テール部６２の接続部６２ｂは、底板貫通部１５ｃよりも下方に位置し、底板部１６の下面１６ｂから下方に突出している。つまり、前記接続部６２ｂは、第１端子収容キャビティ１５の下端より下方に突出している。また、応力緩和部６２ａは、本体部６３の下端から前方に向けて延出しているが、その前端部は、底板貫通部１５ｃ内に位置し、該底板貫通部１５ｃにおける背面１５ｅと反対側の面に当接しない。さらに、応力緩和部６２ａの幅は、幅広部１５ｂ及び底板貫通部１５ｃの幅よりも十分に狭いので、幅広部１５ｂ及び底板貫通部１５ｃの側面に当接することもない。したがって、第１端子６１の本体部６３と、はんだ付等によって接続部６２ｂが接続されている第１基板上の端子接続パッドとの相対的位置関係が変化した場合であっても、応力緩和部６２ａが幅広部１５ｂ及び底板貫通部１５ｃの面と干渉することがなく、柔軟に変形可能なので、はんだにクラックが生じたり、前記端子接続パッドから分離したりしてしまうことがない。   The connecting portion 62 b of the tail portion 62 is positioned below the bottom plate penetrating portion 15 c and protrudes downward from the lower surface 16 b of the bottom plate portion 16. That is, the connecting portion 62 b protrudes downward from the lower end of the first terminal accommodating cavity 15. Further, the stress relaxation portion 62a extends forward from the lower end of the main body portion 63, but its front end portion is located in the bottom plate penetration portion 15c, and is opposite to the back surface 15e in the bottom plate penetration portion 15c. Does not touch the surface. Furthermore, since the width of the stress relaxation part 62a is sufficiently narrower than the widths of the wide part 15b and the bottom plate penetrating part 15c, it does not contact the side surfaces of the wide part 15b and the bottom plate penetrating part 15c. Therefore, even if the relative positional relationship between the main body portion 63 of the first terminal 61 and the terminal connection pad on the first substrate to which the connection portion 62b is connected by soldering or the like changes, the stress relaxation portion. Since 62a does not interfere with the surfaces of the wide portion 15b and the bottom plate penetrating portion 15c and can be flexibly deformed, the solder is not cracked or separated from the terminal connection pad.

次に、第２コネクタ１０１について説明する。   Next, the second connector 101 will be described.

図６は本発明の実施の形態における第２コネクタの斜視図、図７は本発明の実施の形態における第２コネクタの第１の二面図、図８は本発明の実施の形態における第２コネクタの第２の二面図である。なお、図７において、（ａ）は上面図、（ｂ）は第１の側面図であり、図８において、（ａ）は第２の側面図、（ｂ）は下面図である。   6 is a perspective view of the second connector in the embodiment of the present invention, FIG. 7 is a first two-view diagram of the second connector in the embodiment of the present invention, and FIG. 8 is a second view in the embodiment of the present invention. It is a 2nd two-plane figure of a connector. 7A is a top view, FIG. 7B is a first side view, FIG. 8A is a second side view, and FIG. 7B is a bottom view.

前記第２コネクタ１０１は、合成樹脂等の絶縁性材料によって一体的に形成されたハウジングとしての第２ハウジング１１１を有する。該第２ハウジング１１１は、図６〜８に示されるように、概略長方形の厚板状の形状を備え、第１コネクタ１０が嵌入される側、すなわち、嵌合面側（図６における上側）には、複数の凹条部１１３が形成されている。この場合、該凹条部１１３は、上面から下方に向けて凹入し、底面が底板部１１６の上面１１６ａによって画定され、第２ハウジング１１１の長手方向に延在する。これにより、前記凹条部１１３の両側には、第２ハウジング１１１の長手方向に延在する細長い峰部１１２が形成される。なお、該峰部１１２には、複数個の凹部１１２ａが形成されているが、該凹部１１２ａは適宜省略することもできる。そして、図に示される例において、前記凹条部１１３は５本であるが、その数は、単数であっても複数であってもよく、いくつであってもよい。   The second connector 101 has a second housing 111 as a housing integrally formed of an insulating material such as synthetic resin. As shown in FIGS. 6 to 8, the second housing 111 has a substantially rectangular thick plate shape, and the side on which the first connector 10 is inserted, that is, the fitting surface side (upper side in FIG. 6). A plurality of concave strips 113 are formed. In this case, the recess 113 is recessed downward from the upper surface, the bottom is defined by the upper surface 116 a of the bottom plate 116, and extends in the longitudinal direction of the second housing 111. As a result, elongated ridges 112 extending in the longitudinal direction of the second housing 111 are formed on both sides of the recess 113. The peak portion 112 is formed with a plurality of recesses 112a, but the recesses 112a can be omitted as appropriate. And in the example shown by a figure, although the said groove part 113 is five, the number may be singular, plural, and how many.

なお、第２コネクタ１０１は、前記第１コネクタ１０と同様に、典型的には、極数が百以上乃至千以上の多極コネクタであり、平面形状が細長いものとなるので、図６〜８には、説明の都合上、長手方向（図６における右上と左下を結ぶ方向、図７（ａ）における上下方向、図８（ｂ）における左右方向）における中心部分を切断して除去した状態が示されている。   As with the first connector 10, the second connector 101 is typically a multipolar connector having a pole number of one hundred or more and one thousand or more, and has an elongated planar shape. For convenience of explanation, there is a state in which the central portion in the longitudinal direction (the direction connecting the upper right and the lower left in FIG. 6, the vertical direction in FIG. 7A, the horizontal direction in FIG. 8B) is cut and removed. It is shown.

ここで、前記凹条部１１３の両側の側壁、すなわち、峰部１１２の側壁には、端子としての第２端子１６１を収容する端子収容キャビティとしての第２端子収容キャビティ１１５が形成されている。該第２端子収容キャビティ１１５は、各凹条部１１３の各側壁に、すなわち、峰部１１２の各側壁に、例えば、約１〔ｍｍ〕のピッチで複数個形成されている。そして、第２端子収容キャビティ１１５の各々に第２端子１６１が１個ずつ収容される。なお、前記第２端子収容キャビティ１１５及び第２端子１６１のピッチ及び数は適宜設定することができる。   Here, a second terminal accommodating cavity 115 as a terminal accommodating cavity for accommodating the second terminal 161 as a terminal is formed on the side walls on both sides of the concave portion 113, that is, on the side wall of the peak portion 112. A plurality of second terminal accommodating cavities 115 are formed on each side wall of each recess 113, that is, on each side wall of the ridge 112, for example, with a pitch of about 1 [mm]. One second terminal 161 is accommodated in each second terminal accommodating cavity 115. The pitch and number of the second terminal accommodating cavities 115 and the second terminals 161 can be set as appropriate.

また、前記第２ハウジング１１１の長手方向両端には第２嵌合ガイド部としての第２膨出部１１４ａが配設されている。該第２膨出部１１４ａは、側壁部１１４の一部が外方へ膨出するような形状を備える。なお、図に示される例では、第２ハウジング１１１の長手方向の一端に１つ、他端に２つ形成されているが、第２膨出部１１４ａの数及び配置は、適宜設定することができる。そして、前記第２膨出部１１４ａは、第１コネクタ１及び第２コネクタ１０１が嵌合された状態において、第１コネクタ１０が備える第１膨出部１４ａ内に挿入される。   In addition, second bulging portions 114 a as second fitting guide portions are disposed at both ends in the longitudinal direction of the second housing 111. The second bulging portion 114a has a shape such that a part of the side wall portion 114 bulges outward. In the example shown in the figure, one is formed at one end in the longitudinal direction of the second housing 111 and two are formed at the other end. However, the number and arrangement of the second bulging portions 114a can be set as appropriate. it can. The second bulging portion 114a is inserted into the first bulging portion 14a included in the first connector 10 in a state where the first connector 1 and the second connector 101 are fitted.

さらに、前記第２ハウジング１１１の底板部１１６の下面１１６ｂにおける周囲部の複数箇所には、下方に向けて突出する第２ハウジング脚１１７が形成されている。該第２ハウジング脚１１７は、その下面が第２基板の表面に当接し、これにより、第２基板の表面と底板部１１６の下面１１６ｂとの間に所定の距離を維持するスペーサとして機能する。   Further, second housing legs 117 projecting downward are formed at a plurality of locations around the lower surface 116 b of the bottom plate portion 116 of the second housing 111. The lower surface of the second housing leg 117 abuts on the surface of the second substrate, thereby functioning as a spacer that maintains a predetermined distance between the surface of the second substrate and the lower surface 116 b of the bottom plate portion 116.

また、前記第２端子収容キャビティ１１５は、凹条部１１３の側面から底板部１１６の下面１１６ｂにまで連通するように形成され、前記底板部１１６の下面１１６ｂからは、図７及び８に示されるように、第２端子１６１のテール部１６２が下方に延出した状態となっている。各第２端子１６１のテール部１６２は、いわゆるソルダーテールであって、第２基板上の導電トレースに連結された端子接続パッドにはんだ付等によって接続される。   The second terminal accommodating cavity 115 is formed so as to communicate from the side surface of the recess 113 to the lower surface 116b of the bottom plate portion 116. The bottom surface 116b of the bottom plate portion 116 is shown in FIGS. As described above, the tail portion 162 of the second terminal 161 extends downward. The tail portion 162 of each second terminal 161 is a so-called solder tail, and is connected to a terminal connection pad connected to a conductive trace on the second substrate by soldering or the like.

次に、前記第２端子１６１の構成について説明する。   Next, the configuration of the second terminal 161 will be described.

図９は本発明の実施の形態における第２端子の斜視図である。なお、図において、（ａ）は左上方から観た前方斜視図、（ｂ）は右上方から観た後方斜視図、（ｃ）は左下方から観た前方斜視図、（ｄ）は右下方から観た後方斜視図である。   FIG. 9 is a perspective view of the second terminal in the embodiment of the present invention. In the figure, (a) is a front perspective view seen from the upper left, (b) is a rear perspective view seen from the upper right, (c) is a front perspective view seen from the lower left, and (d) is lower right. It is the back perspective view seen from.

図に示されるように、第２端子１６１は、テール部１６２、本体部１６３、被保持部１６４及び接触部１６５を備え、導電性の金属板を打抜き、曲げ等の加工を施すことによって一体的に形成されている。   As shown in the figure, the second terminal 161 includes a tail portion 162, a main body portion 163, a held portion 164, and a contact portion 165, and is integrally formed by punching a conductive metal plate and performing processing such as bending. Is formed.

ここで、前記本体部１６３は、概略矩形の平板状の部分である。また、前記接触部１６５は、相手方端子である第１端子６１と接触する部分であり、本体部１６３と同程度の幅を備え、本体部１６３の上端に接続された湾曲部１６５ａと、該湾曲部１６５ａの上端に接続された湾曲部１６５ａより幅の広い接触腕部１６５ｂとを含んでいる。   Here, the main body 163 is a substantially rectangular flat plate portion. The contact portion 165 is a portion that contacts the first terminal 61 that is a counterpart terminal, has a width approximately the same as the main body portion 163, and is connected to the upper end of the main body portion 163. And a contact arm portion 165b having a width wider than that of the curved portion 165a connected to the upper end of the portion 165a.

そして、前記湾曲部１６５ａは、Ｓ字状又はクランク状の側面を備え、本体部１６３の上端に曲げて接続され、本体部１６３に対してほぼ直交するように前方に向けて延出した後、接触腕部１６５ｂの下端に曲げて接続されている。また、前記接触腕部１６５ｂは、矩形の平板状の部分であり、本体部１６３と平行に上下方向に延在する。   The curved portion 165a has an S-shaped or crank-shaped side surface, is bent and connected to the upper end of the main body 163, and extends forward so as to be substantially orthogonal to the main body 163. It is bent and connected to the lower end of the contact arm 165b. The contact arm portion 165b is a rectangular flat plate-like portion and extends in the vertical direction in parallel with the main body portion 163.

また、前記テール部１６２は、本体部１６３の下端に接続された応力緩和部１６２ａと、該応力緩和部１６２ａの下端に接続された接続部１６２ｂとを含んでいる。なお、前記テール部１６２並びに該テール部１６２が含む応力緩和部１６２ａ及び接続部１６２ｂの構成は、前記第１端子６１のテール部６２並びに該テール部６２が含む応力緩和部６２ａ及び接続部６２ｂの構成と同様であるので、その説明を省略する。   The tail portion 162 includes a stress relaxation portion 162a connected to the lower end of the main body portion 163 and a connection portion 162b connected to the lower end of the stress relaxation portion 162a. The tail part 162 and the stress relaxation part 162a and the connection part 162b included in the tail part 162 have the same structure as the tail part 62 of the first terminal 61 and the stress relaxation part 62a and the connection part 62b included in the tail part 62. Since it is the same as that of a structure, the description is abbreviate | omitted.

さらに、前記被保持部１６４は、本体部１６３と面一となるように形成された平板状の部分であり、本体部１６３の両側端から幅方向外方に向けて各々延出する。そして、各被保持部１６４は、その上端から上方に向けて延出する上方延出部１６４ａと、その下端から下方に向けて延出する下方延出部１６４ｂとを含んでいる。そして、各被保持部１６４の側端縁には、外方に向けて突出する突起状のアンカー部１６４ｃと、上下方向に延在する平滑なスタビライザ部１６４ｄとが形成されている。なお、前記被保持部１６４並びに該被保持部１６４が含む上方延出部１６４ａ、下方延出部１６４ｂ、アンカー部１６４ｃ及びスタビライザ部１６４ｄの構成は、前記第１端子６１の被保持部６４並びに該被保持部６４が含む上方延出部６４ａ、下方延出部６４ｂ、アンカー部６４ｃ及びスタビライザ部６４ｄの構成と同様であるので、その説明を省略する。   Further, the held portion 164 is a flat plate portion formed so as to be flush with the main body portion 163, and extends from both side ends of the main body portion 163 outward in the width direction. Each held portion 164 includes an upward extending portion 164a extending upward from its upper end and a downward extending portion 164b extending downward from its lower end. A protruding anchor portion 164c protruding outward and a smooth stabilizer portion 164d extending in the vertical direction are formed on the side edge of each held portion 164. The configuration of the held portion 164 and the upward extending portion 164a, the downward extending portion 164b, the anchor portion 164c, and the stabilizer portion 164d included in the held portion 164 are the same as the held portion 64 of the first terminal 61 and the Since it is the same as that of the structure of the upper extension part 64a, the downward extension part 64b, the anchor part 64c, and the stabilizer part 64d which the to-be-held part 64 contains, the description is abbreviate | omitted.

次に、前記第２ハウジング１１１に装填された状態の第２端子１６１を説明する。   Next, the second terminal 161 loaded in the second housing 111 will be described.

図１０は本発明の実施の形態における第２端子と第２端子収容キャビティとの関係を説明する図である。なお、図において、（ａ）は第２端子収容キャビティの正面図、（ｂ）は第２端子収容キャビティの側断面図、（ｃ）は第２端子を収容した第２端子収容キャビティの正面図、（ｄ）は第２端子を収容した第２端子収容キャビティの側断面図である。   FIG. 10 is a diagram for explaining the relationship between the second terminal and the second terminal accommodating cavity in the embodiment of the present invention. In the figure, (a) is a front view of the second terminal accommodating cavity, (b) is a side sectional view of the second terminal accommodating cavity, and (c) is a front view of the second terminal accommodating cavity accommodating the second terminal. (D) is a sectional side view of the 2nd terminal accommodation cavity which accommodated the 2nd terminal.

なお、図においては、説明の都合上、第２ハウジング１１１における一つの第２端子収容キャビティ１１５とその周囲の部分のみが描画されており、その他の部分の図示が省略されている。   In the drawing, for convenience of explanation, only one second terminal accommodating cavity 115 and its peripheral portion in the second housing 111 are drawn, and the other portions are not shown.

図に示されるように、第２端子収容キャビティ１１５は、上下方向に延在する幅の狭い溝状の空間である幅狭部１１５ａと、該幅狭部１１５ａの下端に接続され、幅狭部１１５ａよりも幅が広く、上下に延在する空間である幅広部１１５ｂと、該幅広部１１５ｂとほぼ同一の幅を備え、底板部１１６をその上面１１６ａから下面１１６ｂまで貫通する底板貫通部１１５ｃとを含んでいる。なお、前記幅狭部１１５ａと幅広部１１５ｂの上側の部分とは峰部１１２の側壁に凹入するように形成され、前記底板貫通部１１５ｃと幅広部１１５ｂの下側の部分とは一体化されて、底板部１１６を上下に貫通するように形成されている。   As shown in the figure, the second terminal accommodating cavity 115 is connected to the narrow portion 115a, which is a narrow groove-like space extending in the vertical direction, and the lower end of the narrow portion 115a. A wide portion 115b that is wider than 115a and extends vertically, and a bottom plate penetrating portion 115c that has substantially the same width as the wide portion 115b and penetrates the bottom plate portion 116 from the top surface 116a to the bottom surface 116b. Is included. The narrow portion 115a and the upper portion of the wide portion 115b are formed so as to be recessed into the side wall of the peak portion 112, and the bottom plate penetrating portion 115c and the lower portion of the wide portion 115b are integrated. The bottom plate portion 116 is formed so as to penetrate vertically.

ところで、前記第１端子収容キャビティ１５が底板部１６の下面１６ｂから凸条部１３の上面にまで連通するように形成されているのに対して、第２端子収容キャビティ１１５は、峰部１１２の上面にまでは連通していない。そのため、第２端子収容キャビティ１１５の上端、すなわち、幅狭部１１５ａの上端は、峰部１１２の側壁上端部１１２ｂによって画定されている。また、前記第１端子収容キャビティ１５の背面１５ｅが上端から下端までほぼ平坦（たん）な面であるのに対して、第２端子収容キャビティ１１５の背面１１５ｅには段差が存在し、幅狭部１１５ａの背面である上側背面１１５ｅ１と幅広部１１５ｂの背面である下側背面１１５ｅ２とに大別される。上側背面１１５ｅ１及び下側背面１１５ｅ２は互いに平行であるが、幅狭部１１５ａが幅広部１１５ｂよりも浅く形成されているので、上側背面１１５ｅ１は下側背面１１５ｅ２よりも前方（図１０（ｂ）における左方）、すなわち、峰部１１２の側壁面により近接した位置にある。   By the way, the first terminal accommodating cavity 15 is formed so as to communicate from the lower surface 16 b of the bottom plate portion 16 to the upper surface of the ridge portion 13, whereas the second terminal accommodating cavity 115 is formed of the ridge portion 112. There is no communication to the top surface. Therefore, the upper end of the second terminal accommodating cavity 115, that is, the upper end of the narrow portion 115a is defined by the side wall upper end portion 112b of the peak portion 112. Further, the back surface 15e of the first terminal receiving cavity 15 is a substantially flat surface from the upper end to the lower end, whereas there is a step on the back surface 115e of the second terminal receiving cavity 115, and the narrow portion 115a is roughly divided into an upper back surface 115e1 which is the back surface of 115a and a lower back surface 115e2 which is the back surface of the wide portion 115b. The upper back surface 115e1 and the lower back surface 115e2 are parallel to each other, but since the narrow portion 115a is formed shallower than the wide portion 115b, the upper back surface 115e1 is in front of the lower back surface 115e2 (in FIG. 10B). (Left side), that is, a position closer to the side wall surface of the peak 112.

そして、第２端子１６１は、第２ハウジング１１１の下方から、すなわち、底板部１１６の下面１１６ｂの側から、第２端子収容キャビティ１１５内に圧入される。具体的には、図１０（ｃ）及び（ｄ）に示されるように、本体部１６３の後面（テール部１６２が延出する方向と反対側の面）が、第２端子収容キャビティ１１５の下側背面１１５ｅ２に当接するような姿勢で、第２端子１６１は第２端子収容キャビティ１１５内に圧入されて収容される。この場合、幅広部１１５ｂの両側に形成された保持側壁１１５ｄ同士の間隔よりも、第２端子１６１の左右のアンカー部１６４ｃの先端同士の間隔のほうが広くなるように設定されているので、アンカー部１６４ｃが保持側壁１１５ｄに食込んで掛止される。これにより、被保持部１６４が幅広部１１５ｂの保持側壁１１５ｄによって保持された状態となり、第２端子１６１は第２端子収容キャビティ１１５内に収容されて保持される。   The second terminal 161 is press-fitted into the second terminal accommodating cavity 115 from below the second housing 111, that is, from the lower surface 116 b side of the bottom plate portion 116. Specifically, as shown in FIGS. 10C and 10D, the rear surface of the main body 163 (the surface opposite to the direction in which the tail 162 extends) is below the second terminal accommodating cavity 115. The second terminal 161 is press-fitted and accommodated in the second terminal accommodating cavity 115 in such a posture as to contact the side rear surface 115e2. In this case, the distance between the distal ends of the left and right anchor portions 164c of the second terminal 161 is set to be wider than the distance between the holding side walls 115d formed on both sides of the wide portion 115b. 164c bites into and holds the holding side wall 115d. Accordingly, the held portion 164 is held by the holding side wall 115d of the wide portion 115b, and the second terminal 161 is housed and held in the second terminal housing cavity 115.

また、左右のスタビライザ部１６４ｄ同士の間隔も、アンカー部１６４ｃの先端同士の間隔とほぼ同様に設定されているので、スタビライザ部１６４ｄが保持側壁１１５ｄに当接して押付けられる。そのため、被保持部１６４は、上下方向の広い範囲に亘って幅広部１１５ｂの保持側壁１１５ｄによって挟み込まれて保持された状態となり、第２端子１６１は第２端子収容キャビティ１１５内における保持が確実となり、第２端子１６１が第２端子収容キャビティ１１５から外れることが防止される。また、被保持部１６４の上部にアンカー部１６４ｃが形成され、被保持部１６４の下部にスタビライザ部１６４ｄが形成されているので、上下方向に関して、アンカー部１６４ｃとスタビライザ部１６４ｄとの間隔が大きいため、被保持部１６４は、上下方向の非常に広い範囲に亘って幅広部１１５ｂの保持側壁１１５ｄによって保持された状態となり、姿勢が安定する。そのため、第２端子１６１は、第２端子収容キャビティ１１５に対して、図１０（ｃ）における左右方向に傾斜することがない。   Further, since the interval between the left and right stabilizer portions 164d is also set substantially the same as the interval between the tips of the anchor portions 164c, the stabilizer portion 164d is pressed against the holding side wall 115d. Therefore, the held portion 164 is sandwiched and held by the holding side wall 115d of the wide portion 115b over a wide range in the vertical direction, and the second terminal 161 is reliably held in the second terminal accommodating cavity 115. The second terminal 161 is prevented from being detached from the second terminal accommodating cavity 115. Further, since the anchor portion 164c is formed at the upper portion of the held portion 164 and the stabilizer portion 164d is formed at the lower portion of the held portion 164, the distance between the anchor portion 164c and the stabilizer portion 164d is large in the vertical direction. The held portion 164 is held by the holding side wall 115d of the wide portion 115b over a very wide range in the vertical direction, and the posture is stabilized. Therefore, the second terminal 161 does not tilt in the left-right direction in FIG. 10C with respect to the second terminal accommodating cavity 115.

なお、第２端子１６１の第２端子収容キャビティ１１５内への収容が完了した状態では、接触部１６５の接触腕部１６５ｂ、すなわち、接触部１６５の少なくとも上部は、幅狭部１１５ａ内に収容され、接触部１６５の湾曲部１６５ａ、本体部１６３及び被保持部１６４は幅広部１１５ｂ内に収容される。そして、湾曲部１６５ａが本体部１６３から前方に向けて延出するので、本体部１６３と平行に延在する接触腕部１６５ｂは、図１０（ｄ）に示されるように、上側背面１１５ｅ１に近接又は当接する。そして、接触腕部１６５ｂの前面は、峰部１１２の側壁上端部１１２ｂとほぼ面一となるか、又は、側壁上端部１１２ｂよりわずかに前方に位置する状態となる。そのため、第１コネクタ１０と第２コネクタ１０１とが嵌合される際に、第１端子６１が接触腕部１６５ｂの上端、すなわち、先端に引っ掛かってしまうことがない。第１端子６１と当接して該第１端子６１によって押圧されても、接触腕部１６５ｂが後方に変位しないので、第１端子６１との接触を確実に維持することができる。   When the second terminal 161 is completely accommodated in the second terminal accommodating cavity 115, the contact arm portion 165b of the contact portion 165, that is, at least the upper portion of the contact portion 165 is accommodated in the narrow portion 115a. The curved portion 165a, the main body portion 163, and the held portion 164 of the contact portion 165 are accommodated in the wide portion 115b. Since the curved portion 165a extends forward from the main body portion 163, the contact arm portion 165b extending in parallel with the main body portion 163 is close to the upper back surface 115e1 as shown in FIG. Or abut. The front surface of the contact arm portion 165b is substantially flush with the side wall upper end portion 112b of the peak portion 112, or is positioned slightly forward of the side wall upper end portion 112b. Therefore, when the first connector 10 and the second connector 101 are fitted, the first terminal 61 is not caught by the upper end of the contact arm portion 165b, that is, the tip. Even if the first arm 61 abuts against the first terminal 61 and is pressed by the first terminal 61, the contact arm 165b is not displaced rearward, so that the contact with the first terminal 61 can be reliably maintained.

そして、テール部１６２の接続部１６２ｂは、底板貫通部１１５ｃよりも下方に位置し、底板部１１６の下面１１６ｂから下方に突出している。つまり、前記接続部１６２ｂは、第２端子収容キャビティ１１５の下端より下方に突出している。また、応力緩和部１６２ａは、本体部１６３の下端から前方に向けて延出しているが、その前端部は、底板貫通部１１５ｃ内に位置し、該底板貫通部１１５ｃにおける下側背面１１５ｅ２と反対側の面に当接しない。さらに、応力緩和部１６２ａの幅は、幅広部１１５ｂ及び底板貫通部１１５ｃの幅よりも十分に狭いので、幅広部１１５ｂ及び底板貫通部１１５ｃの側面に当接することもない。したがって、第２端子１６１の本体部１６３と、はんだ付等によって接続部１６２ｂが接続されている第２基板上の端子接続パッドとの相対的位置関係が変化した場合であっても、応力緩和部１６２ａが幅広部１１５ｂ及び底板貫通部１１５ｃの面と干渉することがなく、柔軟に変形可能なので、はんだにクラックが生じたり、前記端子接続パッドから分離したりしてしまうことがない。   The connecting portion 162b of the tail portion 162 is located below the bottom plate penetrating portion 115c and protrudes downward from the lower surface 116b of the bottom plate portion 116. That is, the connection part 162 b protrudes downward from the lower end of the second terminal accommodating cavity 115. The stress relaxation portion 162a extends forward from the lower end of the main body portion 163, but its front end portion is located in the bottom plate penetration portion 115c and is opposite to the lower back surface 115e2 in the bottom plate penetration portion 115c. Does not touch the side surface. Furthermore, since the width of the stress relaxation portion 162a is sufficiently narrower than the width of the wide portion 115b and the bottom plate penetrating portion 115c, it does not contact the side surfaces of the wide portion 115b and the bottom plate penetrating portion 115c. Therefore, even if the relative positional relationship between the main body portion 163 of the second terminal 161 and the terminal connection pad on the second substrate to which the connection portion 162b is connected by soldering or the like changes, the stress relaxation portion. Since 162a does not interfere with the surfaces of the wide portion 115b and the bottom plate penetrating portion 115c and can be flexibly deformed, the solder is not cracked or separated from the terminal connection pad.

次に、第１コネクタ１０と第２コネクタ１０１とを嵌合する動作について説明する。   Next, an operation for fitting the first connector 10 and the second connector 101 will be described.

図１１は本発明の実施の形態における第１コネクタと第２コネクタとを嵌合する動作を説明する図である。なお、図において、（ａ）は第１コネクタと第２コネクタとを嵌合する前の状態を示す断面図、（ｂ）は第１コネクタと第２コネクタとを嵌合した状態を示す断面図である。   FIG. 11 is a diagram for explaining the operation of fitting the first connector and the second connector in the embodiment of the present invention. In the figure, (a) is a sectional view showing a state before the first connector and the second connector are fitted together, and (b) is a sectional view showing a state where the first connector and the second connector are fitted together. It is.

ここで、第１コネクタ１０は、第１端子６１のテール部６２の接続部６２ｂが図示されない第１基板上の導電トレースに連結された端子接続パッドにはんだ付等によって接続されることにより、第１基板に表面実装されているものとする。また、第２コネクタ１０１も、同様に、第２端子１６１のテール部１６２の接続部１６２ｂが図示されない第２基板上の導電トレースに連結された端子接続パッドにはんだ付等によって接続されることにより、第２基板に表面実装されているものとする。   Here, the first connector 10 is connected to a terminal connection pad connected to a conductive trace on the first substrate (not shown) by soldering or the like, so that the connection portion 62b of the tail portion 62 of the first terminal 61 is connected to the first connector 61. It is assumed that it is surface-mounted on one substrate. Similarly, in the second connector 101, the connection portion 162b of the tail portion 162 of the second terminal 161 is connected to a terminal connection pad connected to a conductive trace on the second substrate (not shown) by soldering or the like. Suppose that it is surface-mounted on the second substrate.

そして、オペレータは、図１１（ａ）に示されるように、第１コネクタ１０の嵌合面と第２コネクタ１０１の嵌合面とを対向させた状態とし、第１コネクタ１０の凸条部１３の位置と第２コネクタ１０１の凹条部１１３の位置とが合致すると、第１コネクタ１０と第２コネクタ１０１との位置合せが完了する。   Then, as shown in FIG. 11A, the operator makes the fitting surface of the first connector 10 and the fitting surface of the second connector 101 face each other, and the ridge 13 of the first connector 10. When the position of the first connector 10 and the position of the concave portion 113 of the second connector 101 match, the alignment of the first connector 10 and the second connector 101 is completed.

この状態で、第１コネクタ１０及び／又は第２コネクタ１０１を相手側に接近する方向に移動させ、図１１（ｂ）に示されるように、嵌合させる。そして、第１コネクタ１０と第２コネクタ１０１とが嵌合された状態においては、第１コネクタ１０の凸条部１３の各々が第２コネクタ１０１の対応する凹条部１１３内に挿入され、各第１端子６１の接触腕部６５ｄが対応する第２端子１６１の接触腕部１６５ｂに接触し、各第１端子６１と各第２端子１６１とが電気的に導通する。   In this state, the first connector 10 and / or the second connector 101 are moved in a direction approaching the mating side, and are fitted as shown in FIG. And in the state where the 1st connector 10 and the 2nd connector 101 were fitted, each of the convex strip part 13 of the 1st connector 10 is inserted in the corresponding concave strip part 113 of the 2nd connector 101, and each The contact arm portion 65d of the first terminal 61 contacts the corresponding contact arm portion 165b of the second terminal 161, and the first terminals 61 and the second terminals 161 are electrically connected.

このように、本実施の形態において、一対の多極コネクタとしての第１コネクタ１０及び第２コネクタ１０１は、それぞれ、一体的に形成された第１ハウジング１１及び第２ハウジング１１１と、第１ハウジング１１及び第２ハウジング１１１に取付けられた複数の第１端子６１及び第２端子１６１とを有し、第１端子６１及び第２端子１６１は、第１ハウジング１１及び第２ハウジング１１１の第１端子収容キャビティ１５及び第２端子収容キャビティ１１５内に収容される本体部６３及び１６３と、本体部６３及び１６３の下端に接続され、第１基板及び第２基板に表面実装されるテール部６２及び１６２と、本体部６３及び１６３の上端に接続され、相手方端子と接触する接触部６５及び１６５と、本体部６３及び１６３の両側端に接続され、第１端子収容キャビティ１５及び第２端子収容キャビティ１１５の両側に形成された保持側壁１５ｄ及び１１５ｄに保持される被保持部６４及び１６４とを含み、被保持部６４及び１６４は、上下方向に延在し、かつ、その上下方向の寸法が本体部６３及び１６３の上下方向の寸法より大きく、被保持部６４及び１６４の上部の側端縁には、保持側壁１５ｄ及び１１５ｄに食込むアンカー部６４ｃ及び１６４ｃが形成され、被保持部６４及び１６４の下部の側端縁には、保持側壁１５ｄ及び１１５ｄに当接するスタビライザ部６４ｄ及び１６４ｄが形成されている。   Thus, in the present embodiment, the first connector 10 and the second connector 101 as a pair of multipolar connectors are respectively formed as a first housing 11 and a second housing 111 that are integrally formed, and the first housing. 11 and a plurality of first terminals 61 and second terminals 161 attached to the second housing 111, and the first terminals 61 and the second terminals 161 are the first terminals of the first housing 11 and the second housing 111. Main parts 63 and 163 accommodated in the accommodating cavity 15 and the second terminal accommodating cavity 115, and tail parts 62 and 162 connected to the lower ends of the main parts 63 and 163 and surface-mounted on the first substrate and the second substrate. Are connected to the upper ends of the main body parts 63 and 163 and are in contact with the contact parts 65 and 165 that come into contact with the mating terminal and both side edges of the main body parts 63 and 163. And held portions 64 and 164 held by holding side walls 15d and 115d formed on both sides of the first terminal receiving cavity 15 and the second terminal receiving cavity 115. The held portions 64 and 164 And the vertical dimension thereof is larger than the vertical dimension of the main body parts 63 and 163, and anchors that bite into the holding side walls 15 d and 115 d at the upper side edges of the held parts 64 and 164. Portions 64c and 164c are formed, and stabilizer portions 64d and 164d that are in contact with the holding side walls 15d and 115d are formed at the lower side edges of the held portions 64 and 164.

これにより、被保持部６４及び１６４の上下方向の寸法を大きくすることができ、第１コネクタ１０及び第２コネクタ１０１全体を低背化しても、アンカー部６４ｃ及び１６４ｃとスタビライザ部６４ｄ及び１６４ｄとの距離を長くすることができるので、第１端子６１及び第２端子１６１の安定性を維持することができる。したがって、第１ハウジング１１及び第２ハウジング１１１が第１基板及び第２基板に対して熱膨張し、特に長手方向に膨張し、第１基板及び第２基板に表面実装されるテール部６２及び１６２が力を受けた場合でも、第１端子６１及び第２端子１６１の姿勢が崩れることがない。そのため、多極化が可能で、製造並びに第１基板及び第２基板への実装が容易で、信頼性の高い第１コネクタ１０及び第２コネクタ１０１を得ることができる。   Thereby, the vertical dimension of the held parts 64 and 164 can be increased, and the anchor parts 64c and 164c and the stabilizer parts 64d and 164d can be obtained even if the height of the first connector 10 and the second connector 101 is reduced. Therefore, the stability of the first terminal 61 and the second terminal 161 can be maintained. Accordingly, the first housing 11 and the second housing 111 are thermally expanded with respect to the first substrate and the second substrate, and in particular are expanded in the longitudinal direction, and the tail portions 62 and 162 that are surface-mounted on the first substrate and the second substrate. Even when receiving a force, the postures of the first terminal 61 and the second terminal 161 do not collapse. Therefore, the first connector 10 and the second connector 101 that can be multipolarized, can be easily manufactured and mounted on the first substrate and the second substrate, and have high reliability can be obtained.

また、第１端子収容キャビティ１５及び第２端子収容キャビティ１１５は、上下方向に延在する幅狭部１５ａ及び１１５ａと、幅狭部１５ａ及び１１５ａの下端に接続され、幅狭部１５ａ及び１１５ａよりも幅が広く、上下方向に延在する幅広部１５ｂ及び１１５ｂとを含み、接触部６５及び１６５の少なくとも上部は幅狭部１５ａ及び１１５ａ内に収容され、本体部６３及び１６３並びに被保持部６４及び１６４は幅広部１５ｂ及び１１５ｂ内に収容され、本体部６３及び１６３の後面は幅広部１５ｂ及び１１５ｂにおいて第１端子収容キャビティ１５及び第２端子収容キャビティ１１５の背面１５ｅ及び１１５ｅに当接し、被保持部６４及び１６４は幅広部１５ｂ及び１１５ｂにおいて第１端子収容キャビティ１５及び第２端子収容キャビティ１１５の保持側壁１５ｄ及び１１５ｄに保持される。   The first terminal accommodating cavity 15 and the second terminal accommodating cavity 115 are connected to the narrow portions 15a and 115a extending in the vertical direction and the lower ends of the narrow portions 15a and 115a, and from the narrow portions 15a and 115a. And the wide portions 15b and 115b extending in the vertical direction. At least the upper portions of the contact portions 65 and 165 are accommodated in the narrow portions 15a and 115a, and the main body portions 63 and 163 and the held portion 64 are accommodated. And 164 are accommodated in the wide portions 15b and 115b, and the rear surfaces of the body portions 63 and 163 abut against the back surfaces 15e and 115e of the first terminal accommodating cavity 15 and the second terminal accommodating cavity 115 in the wide portions 15b and 115b, respectively. The holding portions 64 and 164 are provided in the wide portions 15b and 115b so that the first terminal receiving cavity 15 and the second terminal receiving cap It is held by the holding side walls 15d and 115d tee 115.

これにより、左右のアンカー部６４ｃ及び１６４ｃ同士、並びに、スタビライザ部６４ｄ及び１６４ｄ同士の間隔を長くすることができるので、第１端子６１及び第２端子１６１の安定性をより高めることができる。   Thereby, since the space | interval of the anchor parts 64c and 164c on either side and the stabilizer parts 64d and 164d can be lengthened, the stability of the 1st terminal 61 and the 2nd terminal 161 can be improved more.

さらに、テール部６２及び１６２は、本体部６３及び１６３の下端に接続された応力緩和部６２ａ及び１６２ａと、応力緩和部６２ａ及び１６２ａの下端に接続された接続部６２ｂ及び１６２ｂとを含み、接続部６２ｂ及び１６２ｂは、第１端子収容キャビティ１５及び第２端子収容キャビティ１１５の下端より下方に突出し、第１基板及び第２基板の表面の端子接続パッドに接続される。これにより、接続部６２ｂ及び１６２ｂは、柔軟に変位することができ、第１端子６１及び第２端子１６１と第１基板及び第２基板の表面の端子接続パッドとの位置関係が変化した場合であっても、接続部６２ｂ及び１６２ｂと端子接続パッドとの接続を維持することができる。   Further, the tail portions 62 and 162 include stress relaxation portions 62a and 162a connected to the lower ends of the main body portions 63 and 163, and connection portions 62b and 162b connected to the lower ends of the stress relaxation portions 62a and 162a. The parts 62b and 162b protrude downward from the lower ends of the first terminal accommodating cavity 15 and the second terminal accommodating cavity 115, and are connected to the terminal connection pads on the surfaces of the first substrate and the second substrate. Thereby, the connection parts 62b and 162b can be displaced flexibly, and the positional relationship between the first terminal 61 and the second terminal 161 and the terminal connection pads on the surface of the first substrate and the second substrate changes. Even if it exists, the connection part 62b and 162b and the connection of a terminal connection pad can be maintained.

さらに、接続部６２ｂ及び１６２ｂは、円板状の形状を備え、本体部６３及び１６３の前面よりも前方に位置する。これにより、接続部６２ｂ及び１６２ｂを端子接続パッドに接続しているはんだ等の接続部材に応力が集中することがなく、接続部材にクラックが生じることがない。   Furthermore, the connection parts 62b and 162b have a disk-like shape and are located in front of the front surfaces of the main body parts 63 and 163. Thereby, stress does not concentrate on the connection member such as solder connecting the connection portions 62b and 162b to the terminal connection pad, and the connection member is not cracked.

さらに、応力緩和部６２ａ及び１６２ａは、本体部６３及び１６３より狭い幅を備え、本体部６３及び１６３に対してほぼ直交するように前方に向けて延出した後、曲げられて、その先端が後方に向っている。これにより、応力緩和部６２ａ及び１６２ａが柔軟に変形することが可能となり、第１端子６１及び第２端子１６１と第１基板及び第２基板の表面の端子接続パッドとの位置関係が変化した場合であっても、本体部６３及び１６３に力が加えられることがない。また、接続部６２ｂ及び１６２ｂから本体部６３及び１６３までの応力緩和部６２ａ及び１６２ａに沿った距離が長くなるので、はんだ上がり、フラックス上がり等の現象が発生することがない。   Furthermore, the stress relaxation parts 62a and 162a have a narrower width than the main body parts 63 and 163, and extend forward so as to be substantially orthogonal to the main body parts 63 and 163, and then bent, and their tips are formed. Looking backwards. Thereby, the stress relaxation parts 62a and 162a can be flexibly deformed, and the positional relationship between the first terminal 61 and the second terminal 161 and the terminal connection pads on the surface of the first substrate and the second substrate is changed. Even so, no force is applied to the main body portions 63 and 163. Moreover, since the distance along the stress relaxation parts 62a and 162a from the connection parts 62b and 162b to the main body parts 63 and 163 becomes long, phenomena such as solder rise and flux rise do not occur.

なお、本発明は前記実施の形態に限定されるものではなく、本発明の趣旨に基づいて種々変形させることが可能であり、それらを本発明の範囲から排除するものではない。   In addition, this invention is not limited to the said embodiment, It can change variously based on the meaning of this invention, and does not exclude them from the scope of the present invention.

本発明は、多極コネクタに適用することができる。   The present invention can be applied to a multipolar connector.

１０ 第１コネクタ
１１ 第１ハウジング
１２、１１２ａ、８１６ 凹部
１２ａ 溝部
１３ 凸条部
１４、１１４ 側壁部
１４ａ 第１膨出部
１５ 第１端子収容キャビティ
１５ａ、１１５ａ 幅狭部
１５ｂ、１１５ｂ 幅広部
１５ｃ、１１５ｃ 底板貫通部
１５ｄ、１１５ｄ 保持側壁
１５ｅ、１１５ｅ 背面
１６、１１６ 底板部
１６ａ、１１６ａ 上面
１６ｂ、１１６ｂ 下面
１７ 第１ハウジング脚
６１ 第１端子
６２、１６２ テール部
６２ａ、１６２ａ 応力緩和部
６２ｂ、１６２ｂ 接続部
６３、１６３ 本体部
６４、１６４ 被保持部
６４ａ、１６４ａ 上方延出部
６４ｂ、１６４ｂ 下方延出部
６４ｃ、１６４ｃ アンカー部
６４ｄ、１６４ｄ スタビライザ部
６５、１６５、８６２ 接触部
６５ａ、１６５ａ 湾曲部
６５ｂ 基部
６５ｃ 分離スリット
６５ｄ、１６５ｂ 接触腕部
６５ｅ 接触凸部
６５ｆ 先端部
１０１ 第２コネクタ
１１１ 第２ハウジング
１１２ 峰部
１１２ｂ 側壁上端部
１１３ 凹条部
１１４ａ 第２膨出部
１１５ 第２端子収容キャビティ
１１５ｅ１ 上側背面
１１５ｅ２ 下側背面
１１７ 第２ハウジング脚
１６１ 第２端子
８１１ ハウジング
８１３ スルーホール
８１５ スタッド部材
８６１ 端子ピン
８６４ タブ部
８７１ 導電性被覆
８８１ はんだ
９１１ 配線基板
９５１ 電極 DESCRIPTION OF SYMBOLS 10 1st connector 11 1st housing 12, 112a, 816 Recessed part 12a Groove part 13 Projection strip part 14, 114 Side wall part 14a First bulging part 15 1st terminal accommodation cavity 15a, 115a Narrow part 15b, 115b Wide part 15c, 115c Bottom plate penetrating portion 15d, 115d Retaining side walls 15e, 115e Back surface 16, 116 Bottom plate portion 16a, 116a Upper surface 16b, 116b Lower surface 17 First housing leg 61 First terminal 62, 162 Tail portion 62a, 162a Stress relaxation portion 62b, 162b Connection Parts 63, 163 Main body part 64, 164 Holding part 64a, 164a Upper extension part 64b, 164b Lower extension part 64c, 164c Anchor part 64d, 164d Stabilizer part 65, 165, 862 Contact part 65a, 165a Bending part 65b Base part 65c Separation slits 65d, 16 5b Contact arm portion 65e Contact convex portion 65f Tip portion 101 Second connector 111 Second housing 112 Peak portion 112b Side wall upper end portion 113 Convex portion 114a Second bulging portion 115 Second terminal accommodating cavity 115e1 Upper back surface 115e2 Lower back surface 117 Second housing leg 161 Second terminal 811 Housing 813 Through hole 815 Stud member 861 Terminal pin 864 Tab portion 871 Conductive coating 881 Solder 911 Wiring board 951 Electrode

Claims (5)

（ａ）一体的に形成されたハウジングと、複数対の列を形成するように前記ハウジングに取付けられた複数の端子とを有する多極コネクタであって、
（ｂ）前記端子は、前記ハウジングの端子収容キャビティ内に収容される平板状の本体部と、該本体部の下端に接続され、基板に表面実装されるソルダーテールと、前記本体部の上端に接続され、相手方端子と接触する接触部と、前記本体部と面一になるように形成された平板状の部分であって、前記本体部の両側端に接続され、前記端子収容キャビティの両側に形成された保持側壁に保持される被保持部とを含み、
（ｃ）該被保持部は、上下方向に延在し、かつ、その上端が前記本体部の上端よりも上方に位置し、その下端が前記本体部の下端よりも下方に位置し、
（ｄ）前記被保持部の上部の側端縁には、前記保持側壁に食込むアンカー部が形成され、前記被保持部の下部の側端縁には、前記保持側壁に当接するスタビライザ部が形成され、前記本体部の後面は前記端子収容キャビティの背面に当接し、前記被保持部は前記保持側壁に保持されることを特徴とする多極コネクタ。 (A) a multipolar connector having an integrally formed housing and a plurality of terminals attached to the housing to form a plurality of pairs of rows;
(B) The terminal is connected to the lower end of the main body portion, which is accommodated in the terminal accommodating cavity of the housing, and is connected to the lower end of the main body portion. A contact portion that is connected and contacts the counterpart terminal, and a flat plate-like portion that is formed to be flush with the main body portion, and is connected to both side ends of the main body portion and on both sides of the terminal receiving cavity. Including a held portion held by the formed holding side wall,
(C) The held portion extends in the vertical direction, and its upper end is located above the upper end of the main body, and its lower end is located below the lower end of the main body ,
(D) An anchor portion that bites into the holding side wall is formed at the upper side edge of the held portion, and a stabilizer portion that contacts the holding side wall is formed at the lower side edge of the held portion. is formed, a multi-pole connector rear surface of the main body portion contacts the rear surface of the terminal receiving cavities, the held portion is characterized by Rukoto held by the holding side walls. 前記端子収容キャビティは、上下方向に延在する幅狭部と、該幅狭部の下端に接続され、前記幅狭部よりも幅が広く、上下方向に延在する幅広部とを含み、
前記接触部の少なくとも上部は前記幅狭部内に収容され、前記本体部及び被保持部は前記幅広部内に収容される請求項１に記載の多極コネクタ。 The terminal accommodating cavity includes a narrow part extending in the vertical direction, and a wide part connected to a lower end of the narrow part, wider than the narrow part and extending in the vertical direction,
The multipolar connector according to claim 1, wherein at least an upper portion of the contact portion is accommodated in the narrow portion, and the main body portion and the held portion are accommodated in the wide portion. 前記ソルダーテールは、前記本体部の下端に接続された応力緩和部と、該応力緩和部の下端に接続された接続部とを含み、
該接続部は、前記端子収容キャビティの下端より下方に突出し、前記基板の表面の端子接続パッドに接続される請求項１又は２に記載の多極コネクタ。 The solder tail includes a stress relaxation portion connected to the lower end of the main body portion, and a connection portion connected to the lower end of the stress relaxation portion,
The multipolar connector according to claim 1, wherein the connection portion protrudes downward from a lower end of the terminal accommodating cavity and is connected to a terminal connection pad on the surface of the substrate. 前記接続部は、円板状の形状を備え、前記本体部の前面よりも前方に位置する請求項３に記載の多極コネクタ。 4. The multipolar connector according to claim 3, wherein the connection portion has a disk shape and is positioned forward of the front surface of the main body portion. 前記応力緩和部は、前記本体部より狭い幅を備え、前記本体部に対してほぼ直交するように前方に向けて延出した後、曲げられて、その先端が後方に向っている請求項４に記載の多極コネクタ。 5. The stress relaxation portion has a narrower width than the main body portion, extends forward so as to be substantially orthogonal to the main body portion, and then bends so that a tip thereof faces rearward. Multipolar connector as described in 1.
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WO2012174120A2 (en) 2012-12-20
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CN103733435A (en) 2014-04-16
WO2012174120A3 (en) 2013-06-20

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