JP2010176923A - Board connector, and manufacturing method thereof - Google Patents

Board connector, and manufacturing method thereof Download PDF

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JP2010176923A
JP2010176923A JP2009015999A JP2009015999A JP2010176923A JP 2010176923 A JP2010176923 A JP 2010176923A JP 2009015999 A JP2009015999 A JP 2009015999A JP 2009015999 A JP2009015999 A JP 2009015999A JP 2010176923 A JP2010176923 A JP 2010176923A
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board
terminal fittings
printed wiring
connector
housing
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Hidenori Goto
秀紀 後藤
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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  • Multi-Conductor Connections (AREA)
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a novel structure of a card edge connector with which an external connection terminal can be formed on a printed-circuit board with a simple structure. <P>SOLUTION: A guide block 52 with slanted faces on both sides is prepared between each mutually pairing one of a plurality of pairs of terminal fittings 50a, 50b, prepared at a prescribed interval in width direction of a housing 22, and the pairing terminal fittings 50a, 50b are bent in mutually approaching direction toward their tip side along the both side slanted faces of the guide block 52, thereby, elastic contact portions 56a, 56b which contact the board side connecting part 20 formed at the connector attaching part 16 are provided in each terminal fitting 50a, 50b, and furthermore, a vertical wall 60 is formed between mutually adjoining terminal fittings 50a, 50b. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、基板用コネクタとその製造方法と基板用コネクタを備えたプリント配線基板に係り、特に、プリント配線基板の端縁部に接続される基板用コネクタの改良された構造と、そのような基板用コネクタを有利に製造する方法、及びかかる基板用コネクタが接続されたプリント配線基板の新規な構造に関するものである。   The present invention relates to a board connector, a manufacturing method thereof, and a printed wiring board provided with the board connector, and more particularly, an improved structure of a board connector connected to an edge portion of the printed wiring board, and the like. The present invention relates to a method of advantageously manufacturing a board connector and a novel structure of a printed wiring board to which the board connector is connected.

従来から、プリント配線基板において外部接続端子を設ける構造の一つとして、基板用コネクタが知られている。これら基板用コネクタのうち、プリント配線基板の端縁部に取り付けられるいわゆるカードエッジコネクタにおいては、樹脂製のハウジングに対して、接続端子が複数組み付けられており、プリント配線基板の端縁部に対して、かかる接続端子を表裏両面から複数の接続端子で挟み込んだ状態で装着されるようになっている。   2. Description of the Related Art Conventionally, a board connector is known as one structure for providing external connection terminals on a printed wiring board. Among these board connectors, in the so-called card edge connector attached to the edge of the printed wiring board, a plurality of connection terminals are assembled to the resin housing, and the printed wiring board is connected to the edge of the printed wiring board. Thus, the connection terminal is mounted in a state of being sandwiched between a plurality of connection terminals from the front and back surfaces.

ところで、このようなカードエッジコネクタでは、接続端子を、プリント配線基板の端部上に形成された接続部に当接させた状態で保持する必要がある。そのため、従来のカードエッジコネクタには、接続端子として、予め変形させられて、弾性を発揮する複数の端子金具がハウジングに組み付けられている。そして、それら複数の端子金具の弾性を利用して、プリント配線基板を、その表裏両面から端子金具で挟持することにより、複数の端子金具が、プリント配線基板の接続部に当接して、保持されるようになっている(例えば、下記特許文献1参照)。   By the way, in such a card edge connector, it is necessary to hold the connection terminal in a state in which the connection terminal is brought into contact with the connection portion formed on the end portion of the printed wiring board. Therefore, in the conventional card edge connector, a plurality of terminal fittings that are deformed in advance as a connection terminal and exhibit elasticity are assembled to the housing. Then, by using the elasticity of the plurality of terminal fittings, the plurality of terminal fittings are held in contact with the connecting portion of the printed wiring board by sandwiching the printed wiring board with the terminal fittings from both the front and back surfaces. (For example, refer to Patent Document 1 below).

ところが、そのような従来のカードエッジコネクタには、予め変形させられた端子金具を、プリント配線基板の接続部への当接部において、プリント配線基板の表裏両面に圧接するように組み付けるのが、非常に面倒であるといった問題が内在していた。しかも、複数の端子金具を予め変形加工する作業を行わなければならず、そのような加工作業にも手間が掛かるといった不具合もあった。   However, in such a conventional card edge connector, assembling so that the terminal fitting deformed in advance is pressed against both the front and back surfaces of the printed wiring board at the contact portion to the connection portion of the printed wiring board. The problem of being very troublesome was inherent. In addition, the work of deforming the plurality of terminal fittings in advance has to be performed, and there has been a problem that such a work is troublesome.

なお、端子金具の変形加工を簡略化しつつ、プリント配線基板の接続部に対する端子金具の当接部の圧接力を確保するために、端子金具とは別個の弾性変形可能な金属片を用い、この金属片により、端子金具を基板の接続部に向かって押圧して、端子金具の当接部を基板の接続部に当接状態で保持するようにした構造も、提案されている(例えば、下記特許文献2参照)。しかしながら、そのような構造を採用する場合、端子金具とは別個の金属片が新たに必要となり、それによって、部品点数が増加するだけでなく、金属片をコネクタに組み込むための工程も増加する。そのため、上記の提案構造は、プリント配線基板に外部接続端子を簡略に設ける構造として、必ずしも有効であるとは言い難いものであった。   In order to secure the pressure contact force of the contact portion of the terminal fitting against the connection portion of the printed wiring board while simplifying the deformation processing of the terminal fitting, an elastically deformable metal piece separate from the terminal fitting is used. There has also been proposed a structure in which a metal piece is pressed against a connection portion of a board to hold the contact portion of the terminal metal piece in contact with the connection portion of the board (for example, the following) Patent Document 2). However, when such a structure is adopted, a new piece of metal separate from the terminal fitting is required, which not only increases the number of parts, but also increases the number of steps for incorporating the piece of metal into the connector. Therefore, the proposed structure is not necessarily effective as a structure in which the external connection terminals are simply provided on the printed wiring board.

特開2002−63953号公報Japanese Patent Laid-Open No. 2002-63953 特開2008−91106号公報JP 2008-91106 A

ここにおいて、本発明は、上述のような事情を背景にして為されものであって、その解決課題とするところは、複数対の端子金具の各当接部を、プリント配線基板の基板側接続部に、各端子金具の弾性を利用して、確実に接触、保持させ得る構造が、新たな部品点数の増加を伴うことなく、容易な作業と端子金具に対する簡易な加工とにより、簡略な構造にて有利に実現され得る基板用コネクタを提供することにある。また、本発明は、そのような基板用コネクタを有利に製造し得る方法と、かかる基板用コネクタを備えたプリント配線基板の新規な構造を提供することをも、その解決課題とするところである。   Here, the present invention is made in the background as described above, and the problem to be solved is to connect each contact portion of a plurality of pairs of terminal fittings to the board side of the printed wiring board. The structure that can be securely contacted and held by using the elasticity of each terminal fitting is simplified by easy work and simple processing of the terminal fitting without increasing the number of new parts. It is an object of the present invention to provide a board connector that can be advantageously realized. Another object of the present invention is to provide a method for advantageously manufacturing such a board connector and a novel structure of a printed wiring board provided with such a board connector.

以下、このような課題を解決するために為された本発明の態様を記載する。なお、以下に記載の各態様において採用される構成要素は、可能な限り任意の組み合わせで採用可能である。 Hereinafter, the aspect of this invention made | formed in order to solve such a subject is described. In addition, the component employ | adopted in each aspect as described below is employable by arbitrary combinations as much as possible.

基板用コネクタに関する本発明は、プリント配線基板の端縁部に形成されたコネクタ取付部が挿入される基板挿入部を有するハウジングを備えており、前記コネクタ取付部の表裏両面上にそれぞれ突出して配置される複数対の端子金具が前記ハウジングに組みつけられていると共に、各前記端子金具の突出部分には、前記コネクタ取付部に形成された基板側接続部に当接される弾性当接部が設けられており、前記端子金具の弾性を利用して、前記プリント配線基板の表裏両面に形成された前記基板側接続部に対して前記端子金具の前記弾性当接部が当接されて、電気的接続状態に保持されるようになっている基板用コネクタにおいて、前記複数対の端子金具が、前記ハウジングの幅方向に所定間隔をおいて設けられていると共に、前記ハウジングには、各対を為す前記端子金具間に、両側に傾斜面があるガイドブロックが、前記端子金具の突出方向に向かってそれぞれ突設されており、前記ガイドブロックの前記両側傾斜面に沿って、対を為す前記端子金具が突出先端側に向かって互いに接近する方向に屈曲されて、各対を為す前記端子金具の最も接近した部分が、前記弾性当接部とされている一方、前記ハウジングの幅方向で互いに隣り合う前記端子金具間には、前記ハウジングから前記ガイドブロックと同じ方向に突設されて、それらの隣り合う端子金具間を隔てる縦壁が形成されていることを特徴とする。 The present invention relating to a board connector includes a housing having a board insertion part into which a connector attachment part formed on an edge of a printed wiring board is inserted, and is arranged so as to protrude on both the front and back surfaces of the connector attachment part. A plurality of pairs of terminal fittings are assembled to the housing, and the protruding portions of the terminal fittings have elastic contact portions that are in contact with the board-side connection portions formed on the connector mounting portions. The elastic contact portion of the terminal fitting is brought into contact with the board-side connection portion formed on both the front and back surfaces of the printed wiring board using the elasticity of the terminal fitting, In the board connector that is held in a general connection state, the plurality of pairs of terminal fittings are provided at predetermined intervals in the width direction of the housing, and the housing A guide block having inclined surfaces on both sides is provided between the pair of terminal fittings, and protrudes in the protruding direction of the terminal fitting, and extends along the both inclined surfaces of the guide block. The terminal fittings forming a pair are bent in a direction approaching each other toward the protruding tip side, and the closest part of the terminal fittings forming each pair is the elastic contact portion, A vertical wall is formed between the terminal fittings adjacent to each other in the width direction of the housing so as to protrude from the housing in the same direction as the guide block and separate the adjacent terminal fittings. To do.

基板用コネクタの製造方法に関する本発明は、プリント配線基板の端縁部に形成されたコネクタ取付部が挿入される基板挿入部を有するハウジングを備えており、前記コネクタ取付部の表裏両面上にそれぞれ突出して配置される複数対の端子金具が前記ハウジングに組みつけられていると共に、それら各前記端子金具の突出部分には、前記コネクタ取付部に形成された基板側接続部に当接される弾性当接部が設けられており、前記端子金具の弾性を利用して、前記プリント配線基板の表裏両面に形成された前記基板側接続部に対して前記端子金具の前記弾性当接部が当接されて、電気的接続状態に保持されるようになっている基板用コネクタの製造方法であって、前記複数対の端子金具が所定間隔をおいて組みつけられていると共に、それら各対を為す前記端子金具間に、両側に傾斜面があるガイドブロックが、前記端子金具の突出方向に向かって突設されており、且つ互いに隣り合う前記端子金具間には、前記ハウジングから前記ガイドブロックと同じ突出方向に突設されて、前記隣り合う端子金具間を隔てる縦壁が形成されている構造をもって、前記ハウジングを形成するハウジング準備工程と、前記ハウジングに組み付けられた前記複数対の端子金具を、前記縦壁間において、前記ガイドブロックの前記両側傾斜面に沿って変形させることにより、各対を為す前記端子金具を突出先端側に向かって互いに接近させて、最も接近した部分で前記弾性当接部を形成する端子金具変形加工工程とを、含むことを特徴とする。 The present invention relating to a method for manufacturing a board connector includes a housing having a board insertion portion into which a connector attachment portion formed at an edge of a printed wiring board is inserted, on both front and back surfaces of the connector attachment portion. A plurality of pairs of terminal fittings arranged in a protruding manner are assembled to the housing, and the protruding portions of the terminal fittings are elastically brought into contact with the board-side connecting portion formed in the connector mounting portion. An abutting portion is provided, and the elastic abutting portion of the terminal fitting abuts against the board-side connecting portion formed on both the front and back surfaces of the printed wiring board using the elasticity of the terminal fitting. The board connector manufacturing method is configured to be held in an electrically connected state, wherein the plurality of pairs of terminal fittings are assembled at predetermined intervals, and Between the terminal fittings that form a pair, a guide block having inclined surfaces on both sides protrudes in the projecting direction of the terminal fittings, and between the terminal fittings adjacent to each other, the guides from the housing. A housing preparatory step for forming the housing, and a plurality of pairs of terminals assembled to the housing, having a structure in which a vertical wall is formed projecting in the same projecting direction as the block and separating the adjacent terminal fittings By deforming the metal fittings along the inclined surfaces on both sides of the guide block between the vertical walls, the terminal metal fittings that make each pair are brought closer to each other toward the projecting tip side, and at the closest part, And a terminal fitting deformation processing step for forming an elastic contact portion.

さらに、基板用コネクタの製造方法に関する本発明においては、各対を為す前記端子金具を間に挟んだ両側から、それら各対を為す前記端子金具を互いに接近させる方向に挟圧する挟圧型を用い、該挟圧型にて、各対を為す前記端子金具を挟圧しつつ、前記挟圧型を前記端子金具の長さ方向に移動させて、前記端子金具を前記ガイドブロックの両側傾斜面に沿って曲げ変形させることにより、前記端子金具変形加工工程を実施する態様が、好適に採用される。 Furthermore, in the present invention relating to the manufacturing method of the board connector, from both sides sandwiching the terminal fittings that form each pair, using a clamping type that clamps the terminal fittings that make each pair in a direction to approach each other, The pinching die is moved in the length direction of the terminal fitting while pinching the pair of terminal fittings, and the terminal fitting is bent and deformed along the inclined surfaces on both sides of the guide block. By carrying out, the aspect which implements the said terminal metal fitting deformation process is employ | adopted suitably.

さらに、基板用コネクタの製造方法に関する本発明においては、各対を為す前記端子金具の突出先端部同士の間に配置された状態で、それら対を為す端子金具にそれぞれ対向し、且つ該端子金具の基部側に向かって互いに接近するように延びる二つの傾斜面を備えた挟込み型を、各対を為す前記端子金具の突出先端部同士の間に配置した後、前記挟圧型を用いて、前記端子金具を前記ガイドブロックの両側傾斜面に沿って曲げ変形させることにより、前記端子金具変形加工工程を実施すると共に、前記挟込み型の前記二つの傾斜面に沿って、対を為す前記端子金具の突出先端部を、先端側に向かって互いに離間する方向に屈曲して、それら各対を為す前記端子金具の突出先端部にて、拡開部を形成する態様が、好適に採用される。 Further, in the present invention relating to a method for manufacturing a connector for a board, the terminal fittings are respectively opposed to the terminal fittings forming the pairs in a state of being arranged between the protruding tip portions of the terminal fittings forming the pairs. After placing the sandwiching mold having two inclined surfaces extending so as to approach each other toward the base side of the terminal metal between the protruding tip portions of the terminal fittings that make each pair, using the clamping mold, The terminal fitting is deformed by bending the terminal fitting along the inclined surfaces on both sides of the guide block, and the terminal fitting deforming process is performed, and the terminals forming a pair along the two inclined surfaces of the sandwiching type It is preferable to adopt a mode in which the protruding tip end of the metal fitting is bent in a direction away from each other toward the tip end, and the widened portion is formed at the protruding tip of the terminal metal fitting which forms the respective pairs. .

更にまた、基板用コネクタの製造方法に関する本発明においては、各対を為す前記端子金具を間に挟んだ両側から、それら各対を為す前記端子金具の基部を押圧して、該端子金具の基部を前記ガイドブロックの両側傾斜面にそれぞれ押し付ける押圧型を用い、該押圧型にて、各対を為す前記端子金具の基部を前記ガイドブロックの両側傾斜面にそれぞれ押し付けた状態で、前記挟圧型を用いて、前記端子金具を前記ガイドブロックの両側傾斜面に沿って曲げ変形させることにより、前記端子金具の基部の形状を、前記ガイドブロックの両側傾斜面に対応した形状に維持しつつ、前記端子金具変形加工工程を実施する態様が、好適に採用される。 Furthermore, in the present invention relating to the method of manufacturing a board connector, the base of the terminal fitting is pressed by pressing the base of the terminal fitting forming each pair from both sides sandwiching the terminal fitting forming each pair. The pressing die is pressed against the inclined surfaces on both sides of the guide block, and the pressing die is pressed against the inclined surfaces on both sides of the guide block. The terminal fitting is bent and deformed along the inclined surfaces on both sides of the guide block, thereby maintaining the shape of the base of the terminal fitting in a shape corresponding to the inclined surfaces on both sides of the guide block. The aspect which implements a metal fitting deformation process process is employ | adopted suitably.

基板用コネクタを備えたプリント配線基板に関する本発明は、本発明に係る基板用コネクタを備えたプリント配線基板であって、(a)前記基板用コネクタにおける前記ハウジングの前記基板挿入部が、少なくともその両側部分において、コ字状周壁部を有しており、それら各端部係合部におけるコ字状周壁部は、前記プリント配線基板の表裏両面にそれぞれ重ね合わされる一対の板状壁部と、該一対の板状壁部の外側端縁部間を連結する端壁部とから構成される一方、(b)前記プリント配線基板には、一対の切込み状のスリットが形成されて、それら一対のスリット間部分で前記コネクタ取付部が構成されており、前記各スリットに対して前記各コ字状周壁部の前記各端壁部が挿入されることにより、前記プリント配線基板に対する前記ハウジングが位置決めされるようになっていることを特徴とする。 The present invention relating to a printed wiring board provided with a board connector is a printed wiring board provided with a board connector according to the present invention, wherein (a) the board insertion portion of the housing in the board connector is at least In both side portions, it has a U-shaped peripheral wall portion, the U-shaped peripheral wall portion in each of the end engaging portions, a pair of plate-like wall portions respectively superimposed on the front and back surfaces of the printed wiring board, On the other hand, the printed wiring board is formed with a pair of cut slits, and the pair of slits are formed on the printed wiring board. The connector mounting portion is configured at a portion between the slits, and the end wall portions of the U-shaped peripheral wall portions are inserted into the slits, whereby the printed wiring board is Ujingu is equal to or adapted to be positioned.

更に、基板用コネクタを備えたプリント配線基板に関する本発明においては、(c)前記プリント配線基板の前記コネクタ取付部には、少なくともその幅方向両側部分に係止穴が設けられている一方、前記ハウジングの前記端部係合部における前記一対の板状壁部の対向面には、それらのうちの少なくとも一方に、前記プリント配線基板の前記係止穴に係止する係止突起が設けられて、それら係止突起の係止穴への係止により、前記基板用コネクタが前記プリント配線基板に固定されるようになっている態様が、好適に採用される。なお、上記態様に加えて、前記プリント配線基板の前記コネクタ取付部の中間部分において、係止穴を設ける一方、前記ハウジングの中間部分において、前記一対の板状壁部を設けて、それらのうちの少なくとも一方に、前記プリント配線基板の前記係止穴に係止する係止突起を設けるようにしてもよい。 Furthermore, in the present invention relating to a printed wiring board provided with a board connector, (c) the connector mounting portion of the printed wiring board is provided with locking holes at least at both sides in the width direction, On the opposing surfaces of the pair of plate-like wall portions in the end engaging portion of the housing, at least one of them is provided with a locking protrusion that locks into the locking hole of the printed wiring board. A mode in which the board connector is fixed to the printed wiring board by the locking of the locking projections to the locking holes is preferably employed. In addition to the above-described aspect, a locking hole is provided in an intermediate portion of the connector mounting portion of the printed wiring board, while a pair of plate-like wall portions are provided in an intermediate portion of the housing. At least one of them may be provided with a locking projection that locks into the locking hole of the printed wiring board.

このような本発明に従う構造とされた基板用コネクタにおいては、各対を為す端子金具間に特定構造のガイドブロックが設けられていることから、ガイドブロックを上手く利用して、端子金具の曲げ加工を特別な成形金型を要することなく行うことができる。また、インサート成形や後組付等によりコネクタハウジングに組み付けた複数の端子金具を、同時に曲げ加工することが出来ることから非常に効率的な加工が可能となる。加えて、複数の端子金具の曲げ加工に際しては、隣接端子間に設けられた縦壁を上手く利用して、各端子をガイドブロックの傾斜面に沿って曲げ方向に案内することが出来ることから、曲げ加工の不良を抑えて目的とする曲げ加工を安定して実施することができる。また、かかる縦壁は、プリント配線基板への装着状態下においても、隣接する端子金具の相互接触(短絡)を確実に防止することを可能にする。   In the board connector having the structure according to the present invention, since the guide block having a specific structure is provided between the pair of terminal fittings, the terminal block is bent using the guide block well. Can be performed without requiring a special molding die. In addition, since a plurality of terminal fittings assembled to the connector housing by insert molding, rear assembly, or the like can be bent at the same time, very efficient processing is possible. In addition, when bending a plurality of terminal fittings, it is possible to guide each terminal in the bending direction along the inclined surface of the guide block by making good use of the vertical wall provided between adjacent terminals. It is possible to stably perform a desired bending process while suppressing defects in the bending process. Further, such a vertical wall can surely prevent mutual contact (short circuit) of adjacent terminal fittings even when mounted on the printed wiring board.

このように、本発明に従う基板用コネクタでは、複数対の端子金具の各弾性当接部を、プリント配線基板の基板側接続部に、各端子金具の弾性を利用して、確実に接触、保持させ得る構造が、新たな部品点数の増加を伴うことなく、面倒な手間を必要としない作業と端子金具に対する容易な加工とにより、簡略な構造にて有利に実現され得る。そして、その結果、本発明に係る基板用コネクタを用いることで、プリント配線基板に対して、接触信頼性の高い外部接続端子を簡略に且つ確実に設けることが可能となる。   Thus, in the board connector according to the present invention, each elastic contact portion of the plurality of pairs of terminal fittings is securely contacted and held on the board-side connection portion of the printed wiring board using the elasticity of each terminal fitting. The structure that can be made can be advantageously realized with a simple structure by an operation that does not require a troublesome labor and an easy processing for the terminal fitting without increasing the number of new parts. As a result, by using the board connector according to the present invention, it is possible to simply and reliably provide an external connection terminal with high contact reliability on the printed wiring board.

また、本発明に従う基板用コネクタの製造方法と本発明に従う基板用コネクタを備えたプリント配線基板にあっても、上記した基板用コネクタにおいて奏され得る作用・効果と実質的に同一の作用・効果が、極めて有効に享受され得る。 Further, even in the manufacturing method of the board connector according to the present invention and the printed wiring board provided with the board connector according to the present invention, the action / effect substantially the same as the action / effect that can be achieved in the board connector described above. However, it can be enjoyed very effectively.

そして、本発明に従う基板用コネクタを備えたプリント配線基板においては、コ字状周壁部を有する端部係合部において、板状壁部に端壁部を一体形成したことにより、板状壁部の強度と端壁部の強度とを、厚肉化や材質変更を必要とすることなく、何れも大きく確保することができる。特に、端壁部の強度向上は、スリットへの嵌め併せに際しての位置決め強度を向上し得る。また、一対の板状部も、その相対的な対向方向での接近/離隔方向への変形が抑えられて、配線基板の係止穴に対する係止突起の係止強度の向上と、コネクタ固定強度の信頼性の向上が図られる。それにより、コネクタ取付部の基板用コネクタに対する固定強度が、効果的に高められ得る。   And in the printed wiring board provided with the board connector according to the present invention, the end wall portion is formed integrally with the plate-like wall portion in the end-engaging portion having the U-shaped peripheral wall portion. The strength and the strength of the end wall portion can both be ensured large without requiring thickening or material change. In particular, the improvement of the strength of the end wall portion can improve the positioning strength at the time of fitting into the slit. In addition, the pair of plate-like portions are also prevented from being deformed in the approaching / separating direction in the relative opposing direction, and the locking strength of the locking projections with respect to the locking holes of the wiring board is improved, and the connector fixing strength The reliability is improved. As a result, the fixing strength of the connector mounting portion with respect to the board connector can be effectively increased.

本発明に従うカードエッジコネクタを備えたプリント配線基板の一実施形態を示す平面説明図。Plane | planar explanatory drawing which shows one Embodiment of the printed wiring board provided with the card edge connector according to this invention. 図1におけるII矢視説明図。II explanatory drawing in FIG. 図1に示されたカードエッジコネクタを備えたプリント配線基板のプリント配線基板部分を示す斜視説明図。FIG. 2 is a perspective explanatory view showing a printed wiring board portion of a printed wiring board provided with the card edge connector shown in FIG. 1. 図1に示されたカードエッジコネクタを備えたプリント配線基板が有するカードエッジコネクタの横断面説明であって、図7のIV−IV断面に相当する図。FIG. 8 is a cross sectional view of a card edge connector included in a printed wiring board provided with the card edge connector shown in FIG. 1, corresponding to a section taken along line IV-IV in FIG. 7. 図4におけるV矢視説明図。V arrow explanatory drawing in FIG. 図4におけるVI−VI断面拡大説明図。VI-VI cross-section expansion explanatory drawing in FIG. 図4におけるVII−VII断面拡大説明図。VII-VII cross-sectional enlarged explanatory view in FIG. 図1におけるVIII−VIII断面拡大説明図。VIII-VIII cross-sectional enlarged explanatory drawing in FIG. 図1におけるIX−IX断面拡大説明図。IX-IX cross-sectional enlarged explanatory drawing in FIG. 図4〜図7に示されたカードエッジコネクタを製造する際に実施される工程例を示す説明図であって、(a)はカードエッジコネクタの中間製品を準備した状態図、(b)は、各対を為す端子金具を屈曲変形させるための型を所定位置にセットした状態図、(c)は端子金具の曲げ変形加工の状態図。It is explanatory drawing which shows the example of a process implemented when manufacturing the card edge connector shown by FIGS. 4-7, (a) is the state figure which prepared the intermediate product of the card edge connector, (b) is The state figure which set the type | mold for bending-deforming the terminal metal fitting which makes each pair in the predetermined position, (c) is the state figure of the bending deformation process of a terminal metal fitting. 図10に示された工程に引き続いて実施される工程例を示す説明図であって、(a)は端子金具の曲げ変形加工の他の状態図、(b)端子金具の曲げ変形加工の更に他の状態図、(c)は、端子金具に弾性当接部を形成した状態図。It is explanatory drawing which shows the process example implemented following the process shown by FIG. 10, (a) is another state figure of the bending deformation process of a terminal metal fitting, (b) Further of the bending deformation process of a terminal metal fitting The other state figure, (c) is the state figure which formed the elastic contact part in the terminal metal fitting.

以下、本発明を更に明らかにするために、本発明の実施形態について、図面を参照しつつ詳細に説明する。   Hereinafter, in order to further clarify the present invention, embodiments of the present invention will be described in detail with reference to the drawings.

先ず、図1及び図2には、本発明に従う構造を有する基板用コネクタとしてのカードエッジコネクタの一実施形態がプリント配線基板に装着されてなるエッジコネクタを備えたプリント配線基板が、その平面形態と側面形態とにおいて、それぞれ示されている。そこにおいて、10は、プリント配線基板であり、このプリント配線基板10の端縁部に対して、カードエッジコネクタ12が装着されている。なお、以下からは、便宜上、図1の下方及び上方に対応する方向を前後方向と言い、図1の左方及び右方に対応する方向を左右方向と言う。   First, in FIG.1 and FIG.2, the printed wiring board provided with the edge connector by which one Embodiment of the card edge connector as a board | substrate connector which has a structure according to this invention was mounted in the printed wiring board is the planar form. And in side view. Here, reference numeral 10 denotes a printed wiring board, and a card edge connector 12 is attached to an end edge portion of the printed wiring board 10. In the following, for the sake of convenience, the direction corresponding to the lower and upper directions in FIG. 1 will be referred to as the front-rear direction, and the direction corresponding to the left and right directions in FIG.

より詳細には、図3に示されるように、プリント配線基板10の一辺に沿って延びる端部部位の長さ方向の両側に、細長い長方形状を呈する切込み状又は切欠状のスリット14が、それぞれ1個ずつ形成されている。そのような端部部位における一対のスリット14,14の間に挟まれた部分が、カードエッジコネクタ12が取り付けられるコネクタ取付部16とされている。   More specifically, as shown in FIG. 3, slits 14 having notches or notches each having an elongated rectangular shape are respectively provided on both sides in the length direction of the end portion extending along one side of the printed wiring board 10. One by one. A portion sandwiched between the pair of slits 14 and 14 in such an end portion is a connector attachment portion 16 to which the card edge connector 12 is attached.

このプリント配線基板10のコネクタ取付部16には、その長さ方向の左右両側端部と略中央部とに、それらの部分を貫通する長方形の係止穴18が、それぞれ1個ずつ設けられている。また、コネクタ取付部16における中央の係止穴18の形成部位と左右両側の係止穴18,18のそれぞれの形成部位の間の部分には、その表裏両面に、回路導体である基板側接続部20の複数が、左右方向に所定間隔を開けて、コネクタ取付部16の幅方向に所定長さで延びるように、それぞれ形成されている。なお、図示は省略するが、基板側接続部20は、プリント配線基板10に形成された回路導体を介して、かかるプリント配線基板10に実装される電子部品等に電気的に接続されるようになっている。   The connector mounting portion 16 of the printed wiring board 10 is provided with one rectangular locking hole 18 penetrating the left and right side end portions and a substantially central portion in the length direction. Yes. In addition, in the portion between the formation portion of the central locking hole 18 in the connector mounting portion 16 and the respective formation portions of the locking holes 18, 18 on both the left and right sides, circuit board-side connections that are circuit conductors are provided on both front and back surfaces. A plurality of portions 20 are formed so as to extend at a predetermined length in the width direction of the connector mounting portion 16 with a predetermined interval in the left-right direction. Although illustration is omitted, the board-side connecting portion 20 is electrically connected to an electronic component or the like mounted on the printed wiring board 10 via a circuit conductor formed on the printed wiring board 10. It has become.

一方、カードエッジコネクタ12は、図4及び図5に示されるように、合成樹脂成形体からなるハウジング22を有している。このハウジング22は、長方形状を呈する第一筐体部24aと第二筐体部24bを有しており、それら第一筐体部24aと第二筐体部24bは、それぞれの側壁部同士を互いに対向させつつ、同一方向に開口するように、左右に並んで配置されている。そして、そのように配置された第一の筐体部24aと第二筐体部24bとが、互いに対向する側壁部同士において、厚肉平板状の連結板部26により相互に一体的に連結されている。   On the other hand, the card edge connector 12 has a housing 22 made of a synthetic resin molded body, as shown in FIGS. The housing 22 includes a first housing portion 24a and a second housing portion 24b that have a rectangular shape, and the first housing portion 24a and the second housing portion 24b are formed by connecting the respective side wall portions to each other. While being opposed to each other, they are arranged side by side so as to open in the same direction. And the 1st housing | casing part 24a and the 2nd housing | casing part 24b which are arrange | positioned in that way are mutually connected integrally by the thick plate-shaped connection board part 26 in the mutually opposing side wall parts. ing.

このように連結板部26を介して一体的に構成された第一の筐体部24aと第二筐体部24bに対して、第一および第二筐体部24a,24bの開口側と反対側の底壁側(図4において下側)において、プリント配線基板10のコネクタ取付部16が挿入される第一基板挿入部28a,第二基板挿入部28bおよび第三基板挿入部28cとが、それぞれ一体形成されている。   The first housing portion 24a and the second housing portion 24b that are integrally configured through the connecting plate portion 26 in this manner are opposite to the opening sides of the first and second housing portions 24a and 24b. On the bottom wall side (lower side in FIG. 4) on the side, the first board insertion part 28a, the second board insertion part 28b, and the third board insertion part 28c into which the connector mounting part 16 of the printed wiring board 10 is inserted, Each is integrally formed.

図1、図4、及び図5から明らかなように、第一筐体部24aに一体形成される第一基板挿入部28aは、コ字状周壁部29aを有している。このコ字状周壁部29aは、上下方向に所定距離隔てて対向する上側板状壁部30及び下側板状壁部32と、それら上側及び下側板状壁部30,32の右側端縁部同士を相互に連結する端壁部34とを一体的に備えている。   As is apparent from FIGS. 1, 4, and 5, the first substrate insertion portion 28a formed integrally with the first housing portion 24a has a U-shaped peripheral wall portion 29a. The U-shaped peripheral wall portion 29a has an upper plate-like wall portion 30 and a lower plate-like wall portion 32 that face each other at a predetermined distance in the vertical direction, and right side edge portions of the upper and lower plate-like wall portions 30 and 32. Are integrally provided with an end wall portion 34 interconnecting the two.

コ字状周壁部29aの上側板状壁部30は、長方形状の平板からなり、幅方向両側の端部に、切込み36が、長さ方向に真っ直ぐに延びるようにそれぞれ1個ずつ設けられている。これによって、上側板状壁部30の2個の切込み36,36の間に挟まれた幅方向中間部分が、自由端とされた前端部(図1中の下側の端部)を有して、厚さ方向に撓み変形可能とされた可撓片部38とされている。 The upper plate-like wall portion 30 of the U-shaped peripheral wall portion 29a is formed of a rectangular flat plate, and one notch 36 is provided at each end portion on both sides in the width direction so as to extend straight in the length direction. Yes. As a result, the intermediate portion in the width direction sandwiched between the two cuts 36 of the upper plate-shaped wall portion 30 has a front end portion (lower end portion in FIG. 1) that is a free end. Thus, the flexible piece portion 38 can be bent and deformed in the thickness direction.

また、図5及び図6に示されるように、可撓片部38の前端側部分の下面には、係止突起40が一体的に設けられている。この係止突起40は、全体として、前後方向に延びる略直方体形状を呈し、前記プリント配線基板10のコネクタ取付部16に設けられた係止穴18に係合可能な大きさを有している。そして、かかる係止突起40の前面が、後方に向かって下傾する傾斜面からなる摺動面42とされている一方、その後面が、鉛直面からなる係止面44とされている。 Further, as shown in FIGS. 5 and 6, a locking projection 40 is integrally provided on the lower surface of the front end side portion of the flexible piece 38. The locking protrusion 40 has a substantially rectangular parallelepiped shape extending in the front-rear direction as a whole, and has a size that can be engaged with the locking hole 18 provided in the connector mounting portion 16 of the printed wiring board 10. . The front surface of the locking projection 40 is a sliding surface 42 made of an inclined surface inclined downward, and the rear surface is a locking surface 44 made of a vertical surface.

一方、図4〜図6に示されるように、下側板状壁部32も、上側板状壁部30と同じ大きさの長方形状を呈する平板からなっている。そして、この下側板状壁部32の上面上には、複数(ここでは3個)の突条46が、幅方向に等間隔を隔てて、長さ方向に真っ直ぐに延びるように一体形成されている。それら各突条46は、狭い幅と、上側板状壁部32に設けられた係止突起40の下面に達しない高さとを有している。これによって、各突条46が、下側板状壁部32の補強リブとしての機能を発揮するようになっている。また、後述するように、プリント配線基板10のコネクタ取付部16を第一基板挿入部28aに挿入する際に、下側板状壁部32が、各突条46の先端面のみにおいて接触して、コネクタ取付部16に対する下側板状壁部32の摺動抵抗が小さくされている。   On the other hand, as shown in FIGS. 4 to 6, the lower plate-like wall portion 32 is also a flat plate having a rectangular shape that is the same size as the upper plate-like wall portion 30. A plurality (three in this case) of protrusions 46 are integrally formed on the upper surface of the lower plate-like wall portion 32 so as to extend straight in the length direction at equal intervals in the width direction. Yes. Each of the protrusions 46 has a narrow width and a height that does not reach the lower surface of the locking projection 40 provided on the upper plate-like wall portion 32. Thereby, each protrusion 46 exhibits a function as a reinforcing rib of the lower plate-like wall portion 32. Further, as will be described later, when the connector mounting portion 16 of the printed wiring board 10 is inserted into the first substrate insertion portion 28a, the lower plate-like wall portion 32 contacts only at the front end surface of each protrusion 46, The sliding resistance of the lower plate-like wall portion 32 with respect to the connector mounting portion 16 is reduced.

そして、このような下側板状壁部32の右側端縁部に対して、端壁部34が上下方向に延びるように立設されて、この端壁部34の上端が、上側板状壁部30の右側端縁部に連結されている。かかる端壁部34は、その厚さが、プリント配線基板10のコネクタ取付部16に設けられたスリット14に挿入可能な大きさとされている。また、それら下側板状壁部32と上側板状壁部30と端壁部34は、それぞれの後端部同士が、平板状の後側連結壁部48にて、一体的に連結されている。   And, with respect to the right edge portion of the lower plate-like wall portion 32, the end wall portion 34 is erected so as to extend in the vertical direction, and the upper end of the end wall portion 34 is the upper plate-like wall portion. It is connected to the right end edge of 30. The end wall portion 34 has a thickness that can be inserted into the slit 14 provided in the connector mounting portion 16 of the printed wiring board 10. The lower plate-like wall portion 32, the upper plate-like wall portion 30, and the end wall portion 34 are integrally connected to each other at their rear end portions by a flat plate-like rear connection wall portion 48. .

これにより、端壁部34が、上側板状壁部30の可撓片部38の可撓性を損なうことなく、上側板状壁部30と下側板状壁部32のそれぞれの剛性を高めるための補強壁部としての役割を果たしている。また、それら上側及び下側板状壁部30,32が、端壁部34の剛性を高めるための補強部材としての機能を発揮するようになっている。更に、後側板状壁部48が、端壁部34と上側及び下側板状壁部30,32のそれぞれの剛性を高める補強部材としての役割を果たしている。それらの結果として、コ字状周壁部29a及び第一基板挿入部28a全体の強度の向上が図られている。   Accordingly, the end wall portion 34 increases the rigidity of the upper plate-like wall portion 30 and the lower plate-like wall portion 32 without impairing the flexibility of the flexible piece portion 38 of the upper plate-like wall portion 30. It plays a role as a reinforcement wall. In addition, the upper and lower plate-like wall portions 30 and 32 function as a reinforcing member for increasing the rigidity of the end wall portion 34. Further, the rear side plate-like wall portion 48 serves as a reinforcing member that increases the rigidity of the end wall portion 34 and the upper and lower plate-like wall portions 30 and 32. As a result, the overall strength of the U-shaped peripheral wall portion 29a and the first substrate insertion portion 28a is improved.

第二筐体部24bに一体形成された第二基板挿入部28bも、コ字状周壁部29bを有している。このコ字状周壁部29bは、上側板状壁部30と下側板状壁部32のそれぞれの左側端縁部同士が、端壁部34にて一体的に連結されている以外、第一基板挿入部28a同一の構造を有している。これにより、第二基板挿入部28b全体の強度が高められている。そして、そのように、第一及び第二基板挿入部28a,28bの両方が高い強度を有しているところから、後述するように、それら第一及び第二基板挿入部28a,28bに挿入されて固定されるプリント配線基板10のカードエッジコネクタ12に対する固定強度の向上が、効果的に図られている。   The second substrate insertion portion 28b formed integrally with the second housing portion 24b also has a U-shaped peripheral wall portion 29b. The U-shaped peripheral wall portion 29b is the first substrate except that the left side edge portions of the upper plate-like wall portion 30 and the lower plate-like wall portion 32 are integrally connected by the end wall portion 34. The insertion portion 28a has the same structure. Thereby, the intensity | strength of the 2nd board | substrate insertion part 28b whole is raised. And since both the 1st and 2nd board | substrate insertion parts 28a and 28b have high intensity | strength like that, they are inserted in these 1st and 2nd board | substrate insertion parts 28a and 28b so that it may mention later. Thus, the fixing strength of the printed wiring board 10 fixed to the card edge connector 12 is effectively improved.

また、連結板部26に一体形成された第三基板挿入部28cは、図4及び図5から明らかなように、端壁部34と後側板状壁部48とを有しないものの、上側及び下側板状壁部30,32が、第一及び第二基板挿入部28a,28bの上側及び下側板状壁部30,32と略同様な構造とされている。 Further, as is apparent from FIGS. 4 and 5, the third board insertion portion 28 c formed integrally with the connecting plate portion 26 does not have the end wall portion 34 and the rear side plate-like wall portion 48, but the upper side and the lower side. The side plate-like wall portions 30 and 32 have substantially the same structure as the upper and lower plate-like wall portions 30 and 32 of the first and second substrate insertion portions 28a and 28b.

一方、図4、図5、及び図7から明らかなように、ハウジング22の第一筐体部24aと第二筐体部24bの底壁部には、複数の端子金具50a,50bが貫通固定されている。それら複数の端子金具50a,50bは、何れも、弾性を有する細長い金属板からなり、2個一組で対を為して、総数が、プリント配線基板10のコネクタ取付部16に設けられた複数の基板側接続部20と同数とされている。また、そのような複数対の端子金具50a,50bは、ハウジング22の幅方向(左右方向)に所定の間隔をおいて位置し、且つ対を為すもの同士が、上下方向に所定距離を隔てて対向配置されている。そして、それら各端子金具50a,50bが、第一筐体部24aと第2筐体部24bの各底壁部を厚さ方向に貫通している。これによって、各端子金具50a,50bの長さ方向の一方側部分が、各筐体部24a,24bの内側底面から、各筐体部24a,24bの内側空間内において後方に突出している一方、長さ方向他方側部分が、各筐体部24a,24bの外側底面から前方に突出している。   On the other hand, as is apparent from FIGS. 4, 5, and 7, a plurality of terminal fittings 50a and 50b are fixed to the bottom wall portions of the first housing portion 24a and the second housing portion 24b of the housing 22 so as to penetrate therethrough. Has been. Each of the plurality of terminal fittings 50a and 50b is made of a long and narrow metal plate having elasticity, and a pair of two metal fittings 50a and 50b are paired together, and the total number is provided on the connector mounting portion 16 of the printed wiring board 10. The same number as that of the board-side connecting portions 20 is provided. Further, such a plurality of pairs of terminal fittings 50a, 50b are located at a predetermined interval in the width direction (left-right direction) of the housing 22, and the pair of terminal fittings 50a, 50b are spaced apart by a predetermined distance in the vertical direction. Opposed. And each of these terminal metal fittings 50a and 50b has penetrated each bottom wall part of the 1st housing | casing part 24a and the 2nd housing | casing part 24b in the thickness direction. As a result, one side portion of each terminal fitting 50a, 50b in the length direction protrudes rearward from the inner bottom surface of each casing portion 24a, 24b in the inner space of each casing portion 24a, 24b, The other side portion in the length direction protrudes forward from the outer bottom surface of each housing portion 24a, 24b.

また、第一及び第二筐体部24a,24bの外側底面(前面)おける各対を為す端子金具50a,50b同士の間には、ガイドブロック52が、それぞれ1個ずつ、前方に向かって突出するように一体形成されている。つまり、複数のガイドブロック52が、ハウジング22の幅方向に、各端子金具50a,50bの幅よりも僅かに大きな距離を隔てて、互いに対向配置されている。これら複数のガイドブロック52は、各端子金具50a,50bの幅と略同一の幅を有する板状突部からなり、上下方向の幅が、先端側に向かって徐々に小さくなる台形状の縦断面形状を有している。これにより、各ガイドブロック52の上面が、先端に向かって下傾する上側傾斜面54aとされる一方、その下面が、先端に向かって上傾する下側傾斜面54bとされている。   Further, one guide block 52 protrudes forward between each pair of terminal fittings 50a, 50b on the outer bottom surfaces (front surfaces) of the first and second housing portions 24a, 24b. Are integrally formed. That is, the plurality of guide blocks 52 are arranged to face each other in the width direction of the housing 22 with a distance slightly larger than the width of each terminal fitting 50a, 50b. Each of the plurality of guide blocks 52 includes a plate-like protrusion having a width substantially the same as the width of each of the terminal fittings 50a and 50b, and has a trapezoidal longitudinal section in which the vertical width gradually decreases toward the tip side. It has a shape. Thus, the upper surface of each guide block 52 is an upper inclined surface 54a inclined downward toward the tip, and the lower surface thereof is a lower inclined surface 54b inclined upward toward the tip.

そして、対を為す端子金具50a,50bのうち、ガイドブロック52よりも上側に位置して、各筐体部24a,24bの外側底面から突出する端子金具50aの基部が、ガイドブロック52の上側傾斜面54aに沿って下傾するように曲げ変形させられている。また、ガイドブロック52よりも下側において、端子金具50aの基部に対応位置する端子金具50bの基部が、ガイドブロック52の下側傾斜面54bに沿って上傾するように曲げ変形させられている。更に、それら対を為す端子金具50a,50bの長さ方向中間部位が、それらの基部同士の間隔よりも小さい間隔で、互いに接近位置して、略平行に延びる弾性当接部56a,56bとされている。また、対を為す端子金具50a,50bの前端部(先端部)が、前方に向かって互いに離間する方向に傾斜する拡開部58a,58bとされている。なお、ここでは、対を為す端子金具50a,50bのそれぞれ弾性当接部56a,56b同士の間隔が、前記プリント配線基板10のコネクタ取付部16の厚さよりも所定寸法小さくされている。   Of the terminal fittings 50 a and 50 b that make a pair, the base of the terminal fitting 50 a that is located above the guide block 52 and protrudes from the outer bottom surface of each housing portion 24 a and 24 b is inclined upward of the guide block 52. It is bent and deformed so as to incline downward along the surface 54a. Further, below the guide block 52, the base of the terminal fitting 50b positioned corresponding to the base of the terminal fitting 50a is bent and deformed so as to tilt upward along the lower inclined surface 54b of the guide block 52. . Furthermore, the lengthwise intermediate portions of the terminal fittings 50a and 50b forming the pair are elastic contact portions 56a and 56b extending substantially parallel to each other at positions closer to each other at intervals smaller than the intervals between the base portions. ing. Further, the front end portions (tip portions) of the paired terminal fittings 50a and 50b are widened portions 58a and 58b which are inclined in a direction away from each other toward the front. Here, the distance between the elastic contact portions 56a and 56b of the paired terminal fittings 50a and 50b is set to be smaller than the thickness of the connector mounting portion 16 of the printed wiring board 10 by a predetermined dimension.

また、ハウジング22の幅方向に所定の間隔をおいて配置されて互いに隣り合う複数対の端子金具50a,50bの間、つまりハウジング22の幅方向に所定距離を隔てて互いに隣り合うガイドブロック52同士の間には、鉛直方向に真っ直ぐに延びる縦壁60が、それぞれ1個ずつ一体形成されている。それら複数の縦壁60は、何れも、ガイドブロック52の幅と略同一の幅を有する板状突部からなり、上下方向の幅が、先端に向かうに従って徐々に小さくなる台形状の縦断面形状を有している。これにより、複数の縦壁60が、ガイドブロック52を介して、ハウジング22の幅方向(左右方向)に所定距離を隔てて、互いに対向配置されており、また、ハウジング22の幅方向に隣り合う端子金具50a,50bが、そのような縦壁60にて、隔てられている。なお、ここでは、各縦壁60の幅(上下方向の寸法)が、ガイドブロック52の幅よりも所定寸法大きくされている。   Further, the guide blocks 52 adjacent to each other at a predetermined distance in the width direction of the housing 22 are arranged between a plurality of pairs of terminal fittings 50a and 50b adjacent to each other and arranged at a predetermined interval in the width direction of the housing 22. A vertical wall 60 extending straight in the vertical direction is integrally formed between each of the two. Each of the plurality of vertical walls 60 is composed of a plate-like protrusion having a width substantially the same as the width of the guide block 52, and the vertical cross-sectional shape of the trapezoidal shape whose width in the vertical direction gradually decreases toward the tip. have. Thus, the plurality of vertical walls 60 are arranged to face each other with a predetermined distance in the width direction (left-right direction) of the housing 22 via the guide block 52 and adjacent to each other in the width direction of the housing 22. The terminal fittings 50a and 50b are separated by such a vertical wall 60. Here, the width (vertical dimension) of each vertical wall 60 is made larger than the width of the guide block 52 by a predetermined dimension.

そして、図1、図8、及び図9に示されるように、プリント配線基板10のコネクタ取付部16が、カードエッジコネクタ12のハウジング22の3個の基板挿入部28a〜28c内に挿入されると共に、複数対の端子金具50a,50bの対を為すもの同士の間に、各端子金具50a,50bの先端の拡開部58a,58bに案内されつつ、スムーズに圧入されている。これにより、それらプリント配線基板10とカードエッジコネクタ12とが相互に組み付けられている。   1, 8, and 9, the connector mounting portion 16 of the printed wiring board 10 is inserted into the three board insertion portions 28 a to 28 c of the housing 22 of the card edge connector 12. At the same time, between the pair of terminal fittings 50a, 50b, they are smoothly press-fitted while being guided by the expanded portions 58a, 58b at the tips of the terminal fittings 50a, 50b. Thereby, the printed wiring board 10 and the card edge connector 12 are assembled together.

このプリント配線基板10とカードエッジコネクタ12との組付状態下では、図8に示されるように、複数対の端子金具50a,50bのそれぞれの弾性当接部56aが、コネクタ取付部16の圧入による弾性変形状態からの復元力に基づいて、コネクタ取付部16の表裏両面に設けられた複数の基板側接続部20にそれぞれ押圧状態で当接している。これにより、コネクタ取付部16が、互いに対為す端子金具50a,50b同士の間で挟圧されている。   Under the assembled state of the printed wiring board 10 and the card edge connector 12, the elastic contact portions 56a of the plurality of pairs of terminal fittings 50a, 50b are press-fitted into the connector mounting portion 16, as shown in FIG. Based on the restoring force from the elastically deformed state, the plurality of board-side connecting portions 20 provided on the front and back surfaces of the connector mounting portion 16 are in contact with each other in a pressed state. Thereby, the connector attaching part 16 is pinched between the terminal metal fittings 50a and 50b which mutually face.

また、図9に示されるように、コネクタ取付部16が、その表裏両面において、第一、第二、及び第三基板挿入部28a,28b,28cの下側板状壁部32に一体形成された突条46の先端面と上側板状壁部30の下面とに重ね合わされるように、各基板挿入部28a〜28c内に挿入されている。そして、このコネクタ取付部16の各基板挿入部28a〜28c内への挿入時に、第一基板挿入部28aと第二基板挿入部28bのそれぞれの端壁部34,34が、コネクタ取付部16の両側にそれぞれ位置するスリット14,14内にそれぞれ挿入されている(図1参照)。 Further, as shown in FIG. 9, the connector mounting portion 16 is integrally formed on the lower plate-like wall portion 32 of the first, second, and third substrate insertion portions 28a, 28b, and 28c on both the front and back surfaces. It is inserted in each board | substrate insertion part 28a-28c so that it may overlap with the front end surface of the protrusion 46, and the lower surface of the upper side plate-shaped wall part 30. FIG. When the connector mounting portion 16 is inserted into the board insertion portions 28 a to 28 c, the end wall portions 34, 34 of the first board insertion portion 28 a and the second board insertion portion 28 b are connected to the connector mounting portion 16. They are inserted into the slits 14 and 14 respectively located on both sides (see FIG. 1).

これにより、各基板挿入部28a〜28c内に挿入するための突出部などをプリント配線基板10に対して何等設けることなく、プリント配線基板10の端部(コネクタ取付部16)が、カードエッジコネクタ12に挿入、固定されている。しかも、カードエッジコネクタ12に、プリント配線基板10のスリット14,14内に挿入して位置決めする位置決め専用の部位を特別に設けることなく、プリント配線基板10のコネクタ取付部16が挿入される各基板挿入部28a,28bの一部を利用して、カードエッジコネクタ12のプリント配線基板10に対する位置決めが行われる。これらの結果として、カードエッジコネクタ12が、プリント配線基板10に対して、簡略な構造により高精度に位置決めされた状態で、確実に組み付けられるようになっている。 Thereby, the end (connector mounting portion 16) of the printed wiring board 10 can be connected to the card edge connector without providing any protrusions or the like for insertion into the board insertion portions 28a to 28c with respect to the printed wiring board 10. 12 is inserted and fixed. In addition, each board into which the connector mounting portion 16 of the printed wiring board 10 is inserted is not provided on the card edge connector 12 without specially providing a positioning-dedicated part for insertion into the slits 14 and 14 of the printed wiring board 10 and positioning. The card edge connector 12 is positioned with respect to the printed circuit board 10 by using a part of the insertion portions 28a and 28b. As a result, the card edge connector 12 can be reliably assembled to the printed wiring board 10 in a state of being accurately positioned with a simple structure.

さらに、コネクタ取付部16を各基板挿入部28a〜28c内に挿入する際には、各基板挿入部28a,28b,28cにおける上側板状壁部30の係止突起40の摺動面42が、コネクタ取付部16の端縁部に摺動しつつ、可撓片部38が撓み変形した状態で、係止突起40が、コネクタ取付部16の端縁部を乗り越えて、係止穴18内に係合する。これにより、図9に示されるように、係止突起40の係止面44が、係止穴18の内周面に係止している。   Furthermore, when the connector mounting portion 16 is inserted into each of the board insertion portions 28a to 28c, the sliding surface 42 of the locking projection 40 of the upper plate-like wall portion 30 in each of the board insertion portions 28a, 28b, 28c While the flexible piece portion 38 is bent and deformed while sliding on the edge portion of the connector attachment portion 16, the engagement protrusion 40 gets over the edge portion of the connector attachment portion 16 and enters the engagement hole 18. Engage. Accordingly, as shown in FIG. 9, the locking surface 44 of the locking projection 40 is locked to the inner peripheral surface of the locking hole 18.

そして、コネクタ取付部16を、単に、各基板挿入部28a〜28cに挿入するだけのワンタッチの操作により、カードエッジコネクタ12が、プリント配線基板10に対して、取り外し可能な状態で容易に固定されて、カードエッジコネクタを備えたプリント配線基板が形成されていると共に、コネクタ取付部16の各基板側接続部20に対するカードエッジコネクタ12の各端子金具50a,50bの電気的接続状態が保持されるようになっている。また、複数対の端子金具50a,50bの互いに隣り合うもの同士の間に設けられた縦壁60によって、互いに異なる基板側接続部20に電気的に接触する端子金具50a,50b同士の接触(短絡)が防止されるようになっている。 Then, the card edge connector 12 is easily fixed to the printed circuit board 10 in a detachable state by a one-touch operation simply by inserting the connector mounting portion 16 into each of the board insertion portions 28a to 28c. Thus, a printed wiring board having a card edge connector is formed, and the electrical connection state of each terminal fitting 50a, 50b of the card edge connector 12 with respect to each board side connection portion 20 of the connector mounting portion 16 is maintained. It is like that. Also, contact (short circuit) between the terminal fittings 50a and 50b that are in electrical contact with the different board-side connecting portions 20 by the vertical wall 60 provided between the adjacent pairs of the terminal fittings 50a and 50b. ) Is prevented.

このカードエッジコネクタを備えたプリント配線基板は、プリント配線基板10が、所定の装置に備えられる一方、カードエッジコネクタ12の第一及び第二筐体部24a,24b内に後方に向かって突出する各端子金具50a,50bに所定の回路体等が接続されて、使用に供されるようになっている。 In the printed wiring board provided with the card edge connector, the printed wiring board 10 is provided in a predetermined device, and protrudes rearward into the first and second housing portions 24a and 24b of the card edge connector 12. A predetermined circuit body or the like is connected to each of the terminal fittings 50a and 50b so that it can be used.

ところで、上記のような構造とされたカードエッジコネクタを備えたプリント配線基板を構成するカードエッジコネクタ12は、例えば、以下に示す手順に従って製造される。 By the way, the card edge connector 12 which comprises the printed wiring board provided with the card edge connector made into the above structures is manufactured according to the procedure shown below, for example.

すなわち、先ず、図4のVII−VII断面の端面に相当する図10の(a)に示されるように、複数対の端子金具50a,50bが、未だ屈曲変形しておらず、対を為すもの同士が互いに平行に真っ直ぐ延びるように、第一及び第二筐体部24a,24bの底壁部(図10には、第一筐体部24aの底壁部のみを示す)にそれぞれ貫通固定されてなるハウジング22を作製して、準備する。   That is, first, as shown in FIG. 10 (a) corresponding to the end surface of the VII-VII cross section of FIG. 4, a plurality of pairs of terminal fittings 50a and 50b are not yet bent and deformed and form a pair. The first and second casing portions 24a and 24b are respectively fixed by penetrating to the bottom wall portions of the first and second casing portions 24a and 24b (only the bottom wall portion of the first casing portion 24a is shown). A housing 22 is prepared and prepared.

このようなハウジング22は、例えば、直線状に延びる複数対の端子金具50a,50bをインサート品として用いた公知のインサート成形等を実施することによって容易に作製される。これにより、従来のカードエッジコネクタとは異なって、予め成形されたハウジングに対して、複数の端子金具を1個1個組み付けて、固定する面倒な作業から開放される。その結果として、複数対の端子金具50a,50bが固定されたハウジング22が、効率的且つ容易に作製され得る。   Such a housing 22 is easily manufactured, for example, by performing known insert molding using a plurality of pairs of terminal fittings 50a and 50b extending linearly as inserts. Thereby, unlike the conventional card edge connector, it is freed from the troublesome work of assembling and fixing a plurality of terminal fittings one by one to a preformed housing. As a result, the housing 22 to which a plurality of pairs of terminal fittings 50a and 50b are fixed can be manufactured efficiently and easily.

次に、図10の(b)に示されるように、第一筐体部24aの底壁部外面から前方に突出する、対を為す端子金具50a,50bの突出部分の基部を間に挟んだ上下両側に、一対の押圧型62a,62bを配置する一方、それら対を為す端子金具50a,50bの突出部分の先端部同士の間に、挟込み型64を配置し、更に、対を為す端子金具50a,50bの突出部分の長さ方向中間部を間に挟んだ上下両側に、一対の挟圧型66a,66bを配置する。また、図示されてはいないものの、第二筐体部24bの底壁部外面の前方にも、一対の押圧型62a,62bと挟込み型64と一対の挟圧型66a,66bとを、第一筐体部24aの底壁部外面の前方に配置されるものと同様な状態で配置する。   Next, as shown in FIG. 10B, the base portions of the protruding portions of the paired terminal fittings 50a and 50b protruding forward from the outer surface of the bottom wall portion of the first housing portion 24a are sandwiched therebetween. While a pair of pressing dies 62a and 62b are arranged on both the upper and lower sides, a sandwiching die 64 is arranged between the tips of the protruding portions of the terminal fittings 50a and 50b that make the pair, and a pair of terminals. A pair of clamping molds 66a and 66b are arranged on both the upper and lower sides sandwiching the intermediate portion in the longitudinal direction of the protruding portions of the metal fittings 50a and 50b. Although not shown, a pair of pressing dies 62a and 62b, a sandwiching die 64, and a pair of clamping dies 66a and 66b are also provided in front of the outer surface of the bottom wall portion of the second housing portion 24b. It arrange | positions in the state similar to what is arrange | positioned ahead of the bottom wall part outer surface of the housing | casing part 24a.

なお、第一筐体部24aと第二筐体部24bの各底壁部外面の前方に一対ずつ位置する二対の押圧型62a,62bは、何れも、第一筐体部24aと第二筐体部24bの各底壁部外面の左右方向長さと同程度の長さと、各ガイドブロック52の突出高さと同程度の厚さを有する長手のブロック形態を有している。そして、それらの押圧型62a,62bのうちの上側に位置する上側押圧型62aの下面が、第一及び第二筐体部24a,24bの各底壁部外面に一体形成される各ガイドブロック52の上側傾斜面54aに対応した傾斜面からなる上側傾斜押圧面68aとされており、また、この上側傾斜押圧面68aに対して、第一筐体部24aと第二筐体部24bの各底壁部外面に一体形成された複数の縦壁60の上端側部分が嵌入可能な凹所69aが複数設けられている。一方、下側に位置する下側押圧型62bは、その上面が、各ガイドブロック52の下側傾斜面54bに対応した傾斜面からなる下側傾斜押圧面68bとされており、この下側傾斜押圧面68bにも、第一筐体部24aと第二筐体部24bの各底壁部外面に一体形成された複数の縦壁60の下端側部分が嵌入可能な凹所69bが複数設けられている。そして、このような上側押圧型62aと下側押圧型62bとが、図示しない油圧機構などにより、上側傾斜押圧面68aと下側傾斜押圧面68bとを互いに接近させるように上下動可能とされている。   Note that the two pairs of pressing dies 62a and 62b located one pair in front of the outer surfaces of the bottom wall portions of the first casing portion 24a and the second casing portion 24b are both the first casing portion 24a and the second casing portion 24b. It has a longitudinal block configuration having a length approximately equal to the length in the left-right direction of the outer surface of each bottom wall portion of the casing portion 24 b and a thickness approximately equal to the protruding height of each guide block 52. And each guide block 52 by which the lower surface of the upper side press type | mold 62a located above the press type | molds 62a and 62b is integrally formed in each bottom wall part outer surface of the 1st and 2nd housing | casing parts 24a and 24b. The upper inclined pressing surface 68a is composed of an inclined surface corresponding to the upper inclined surface 54a, and each bottom of the first housing portion 24a and the second housing portion 24b with respect to the upper inclined pressing surface 68a. A plurality of recesses 69a into which upper end portions of the plurality of vertical walls 60 integrally formed on the outer surface of the wall can be fitted are provided. On the other hand, the lower pressing mold 62b located on the lower side has a lower inclined pressing surface 68b made of an inclined surface corresponding to the lower inclined surface 54b of each guide block 52. The pressing surface 68b is also provided with a plurality of recesses 69b into which the lower end side portions of the plurality of vertical walls 60 integrally formed on the outer surfaces of the bottom wall portions of the first housing portion 24a and the second housing portion 24b can be fitted. ing. The upper pressing mold 62a and the lower pressing mold 62b can be moved up and down so that the upper inclined pressing surface 68a and the lower inclined pressing surface 68b approach each other by a hydraulic mechanism (not shown). Yes.

第一筐体部24aと第二筐体部24bのそれぞれの底壁部外面の前方に位置する挟込み型64,64は、何れも、第一筐体部24aと第二筐体部24bの各底壁部外面の左右方向長さと同程度の長さを有するブロック形状を呈している。そして、対を為す端子金具50a,50bのうちの上側に位置する端子金具50aの先端部と対向する各挟込み型64の上面が、端子金具50aの基部側に向かって下傾する上側傾斜成形面70aとされている。一方、下側に位置する端子金具50bの先端部と対向する各挟込み型64の下面が、端子金具50bの基部側に向かって上傾する下側傾斜成形面70bとされている。そして、図示しない油圧機構などにより、互いに対を為す端子金具50a,50bの先端部同士の間の配置位置と、それらの先端部同士の間から引き込まれる位置との間で前後方向に移動可能とされている。   The sandwiching dies 64, 64 positioned in front of the outer surfaces of the bottom wall portions of the first housing portion 24a and the second housing portion 24b are both of the first housing portion 24a and the second housing portion 24b. It has a block shape having a length approximately the same as the length in the left-right direction of the outer surface of each bottom wall. Then, the upper inclined molding in which the upper surface of each sandwiching mold 64 facing the distal end portion of the terminal fitting 50a located on the upper side of the paired terminal fittings 50a and 50b is inclined downward toward the base side of the terminal fitting 50a. It is set as the surface 70a. On the other hand, the lower surface of each sandwiching die 64 facing the tip of the terminal fitting 50b located on the lower side is a lower inclined molding surface 70b that is inclined upward toward the base side of the terminal fitting 50b. Then, it can be moved in the front-rear direction between a position between the tip portions of the terminal fittings 50a and 50b that are paired with each other and a position drawn from between the tip portions by a hydraulic mechanism (not shown). Has been.

第一筐体部24aと第二筐体部24bの各底壁部外面の前方に一対ずつ位置する二対の挟圧型66a,66bは、何れも、第一筐体部24aと第二筐体部24bの各底壁部外面の左右方向長さと同程度の長さを有するブロック形態を呈している。また、端子金具50a,50bよりも上側に位置する上側挟圧型66aの下面と、それらよりも下側に位置する下側挟圧型66bの上面とが、それぞれ、半割円筒面形状を呈する上側挟圧面72aと下側挟圧面72bとされている。そして、上側挟圧型66aと下側挟圧型66bとが、図示しない油圧機構などにより、互いに接近するように上下方向と前後方向とにそれぞれ移動可能とされている。   The two pairs of sandwiching dies 66a and 66b located one pair in front of the outer surfaces of the bottom wall portions of the first casing portion 24a and the second casing portion 24b are both the first casing portion 24a and the second casing. The block form which has a length comparable as the left-right direction length of each bottom wall part outer surface of the part 24b is exhibited. In addition, the lower surface of the upper clamping die 66a located above the terminal fittings 50a and 50b and the upper surface of the lower clamping die 66b located below the upper clamping die 66b each have an upper sandwiched shape that exhibits a half-cylindrical cylindrical shape. A pressure surface 72a and a lower clamping surface 72b are formed. The upper clamping die 66a and the lower clamping die 66b are movable in the vertical direction and the front-rear direction so as to approach each other by a hydraulic mechanism (not shown) or the like.

そのような二対の押圧型62a,62bと二つの挟込み型64と二対の挟圧型66a,66bとを所定位置に配置したら、図10の(c)に示されるように、二対の押圧型62a,62bを上下方向(白抜きの矢印方向)において、互いに接近移動させる。その際、各押圧型62a,62bの上側及び下側傾斜押圧面68a,68bの複数の凹所69a,69b内に、複数の縦壁60の上端側部分や下端側部分がそれぞれ嵌入して、各押圧型62a,62bが、それら複数の縦壁60にて案内されつつ、鉛直方向に真っ直ぐに移動する。これにより、対を為す端子金具50a,50bのうちの上側に位置する端子金具50aの基部を、各上側押圧型62aの上側傾斜押圧面68aにてガイドブロック52の上側傾斜面54aに押し付けて、上側傾斜面54aに対応した形状に曲げ変形させると共に、下側に位置する端子金具50bの基部を、各下側押圧型62bの下側傾斜押圧面68bにてガイドブロック52の下側傾斜面54bに押し付けて、下側傾斜面54bに対応した形状に曲げ変形させる。   When such two pairs of pressing dies 62a and 62b, two sandwiching dies 64, and two pairs of squeezing dies 66a and 66b are arranged at predetermined positions, as shown in FIG. The pressing dies 62a and 62b are moved closer to each other in the vertical direction (the direction of the white arrow). At that time, the upper end side portion and the lower end side portion of the plurality of vertical walls 60 are respectively fitted into the plurality of recesses 69a and 69b of the upper and lower inclined pressing surfaces 68a and 68b of the pressing dies 62a and 62b, The pressing dies 62a and 62b move straight in the vertical direction while being guided by the plurality of vertical walls 60. As a result, the base of the terminal fitting 50a located on the upper side of the paired terminal fittings 50a, 50b is pressed against the upper inclined surface 54a of the guide block 52 by the upper inclined pressing surface 68a of each upper pressing mold 62a, While bending and deforming into a shape corresponding to the upper inclined surface 54a, the lower inclined surface 54b of the guide block 52 is formed by the lower inclined pressing surface 68b of the lower pressing die 62b at the base of the lower terminal fitting 50b. To bend and deform into a shape corresponding to the lower inclined surface 54b.

このとき、第一筐体部24aの底壁部外面から突出する複数対の端子金具50a,50bの全ての基部が、第一筐体部24aの底壁部外面の前方に位置する一対の押圧型62a,62bにて、同時に且つ一挙に曲げ変形させられる。また、第二筐体部24bの底壁部外面から突出する複数対の端子金具50a,50bの全ての基部も、第二筐体部24bの底壁部外面の前方に位置する一対の押圧型62a,62bにて、同時に且つ一挙に曲げ変形させられる。更に、それら複数対の端子金具50a,50bの全ての先端部が、挟込み型64の上側傾斜成形面70aと下側傾斜成形面70bとに接触する。   At this time, a pair of presses in which all the base portions of the plurality of pairs of terminal fittings 50a and 50b protruding from the outer surface of the bottom wall portion of the first housing portion 24a are located in front of the outer surface of the bottom wall portion of the first housing portion 24a. The molds 62a and 62b are simultaneously bent and deformed at a stroke. In addition, all the bases of the plurality of pairs of terminal fittings 50a and 50b protruding from the outer surface of the bottom wall portion of the second housing portion 24b are also a pair of pressing molds positioned in front of the outer surface of the bottom wall portion of the second housing portion 24b. At 62a and 62b, it is simultaneously bent and deformed. Furthermore, all the tip portions of the plurality of pairs of terminal fittings 50a and 50b are in contact with the upper inclined molding surface 70a and the lower inclined molding surface 70b of the sandwiching die 64.

次に、図11の(a)に示されるように、二対の挟圧型66a,66bを上下方向(白抜きの矢印方向)において、互いに接近移動させる。これにより、第一筐体部24aの底壁部外面から突出する複数対の端子金具50a,50bの全ての長さ方向中間部を、第一筐体部24aの底壁部外面の前方に位置する一対の挟圧型66a,66bにて、互いに接近する方向に、同時に且つ一挙に曲げ変形させる。また、第二筐体部24bの底壁部外面から突出する複数対の端子金具50a,50bの全ての長さ方向中間部も、第二筐体部24bの底壁部外面の前方に位置する一対の挟圧型66a,66bにて、互いに接近する方向に、同時に且つ一挙に変形させる。このとき、対を為す端子金具50a,50bの全ての先端部を、それらの間に配置された二つの挟込み型64,64のそれぞれの上側傾斜成形面70aと下側傾斜成形面70bに対応した形状に、同時に且つ一挙に変形させる(成形する)。そして、それにより、互いに対を為す端子金具50a,50bの全ての先端部に、先端に向かって互いに離間する方向に傾斜するように屈曲変形させられた拡開部58a,58bを形成する。   Next, as shown in FIG. 11A, the two pairs of pinching dies 66a and 66b are moved closer to each other in the vertical direction (the direction of the white arrow). Thereby, all the length direction intermediate parts of the plurality of pairs of terminal fittings 50a and 50b protruding from the outer surface of the bottom wall part of the first casing part 24a are positioned in front of the outer surface of the bottom wall part of the first casing part 24a. The pair of clamping dies 66a and 66b are bent and deformed simultaneously and in a direction approaching each other. In addition, all the lengthwise intermediate portions of the plurality of pairs of terminal fittings 50a and 50b protruding from the outer surface of the bottom wall portion of the second housing portion 24b are also positioned in front of the outer surface of the bottom wall portion of the second housing portion 24b. The pair of clamping dies 66a and 66b are deformed simultaneously and all at once in a direction approaching each other. At this time, all the tip portions of the paired terminal fittings 50a and 50b correspond to the upper inclined molding surface 70a and the lower inclined molding surface 70b of the two sandwiching dies 64 and 64 disposed between them. At the same time, it is deformed (formed) at once. Then, widened portions 58a and 58b that are bent and deformed so as to incline in directions away from each other toward the tip are formed at all the tips of the terminal fittings 50a and 50b that are paired with each other.

引き続き、図11の(b)に示されるように、二対の挟圧型66a,66bを互いに接近させた状態において、後方に同時に移動させる。これにより、第一筐体部24aと第二筐体部24bの各底壁部外面からそれぞれ突出する複数対の端子金具50a,50bの全ての長さ方向中間部を、所定長さにわたって、互いに接近する方向に、同時に且つ一挙に曲げ変形させる。それにより、互いに対を為す端子金具50a,50bの全ての長さ方向中間部にて、互いに接近した位置で平行に延びる弾性当接部56a,56bを形成する。   Subsequently, as shown in FIG. 11 (b), the two pairs of clamping dies 66a and 66b are simultaneously moved backward in a state in which they are brought close to each other. Thus, all the intermediate portions in the longitudinal direction of the plurality of pairs of terminal fittings 50a and 50b respectively protruding from the outer surfaces of the bottom wall portions of the first housing portion 24a and the second housing portion 24b are mutually connected over a predetermined length. Bending and deforming at the same time in the approaching direction. Thereby, elastic contact portions 56a and 56b extending in parallel at positions close to each other are formed at all the longitudinal intermediate portions of the terminal fittings 50a and 50b that are paired with each other.

なお、図11の(a)及び(b)に示されるように、複数対の端子金具50a,50bの全ての先端部に、拡開部58a,58bを形成する一方、それらの長さ方向中間部に弾性当接部56a,56bを形成する一連の曲げ加工は、各端子金具50a,50bの基部が、押圧型62a,62bにて各ガイドブロック52に押し付けられたまま、実施される。そのため、拡開部58a,58bや弾性当接部56a,56bの形成加工時に、各端子金具50a,50bの基部が、ガイドブロック52の上側及び下側傾斜面54a,54bから浮き上がったり、或いは水平方向にずれたりして変形することが有利に防止される。また、ガイドブロック52に隣り合って位置するように、縦壁60が設けられているところから、各端子金具50a,50に対する曲げ加工時に、隣り合う端子金具50a,50b同士が接触するようなこともない。これによって、複数対の端子金具50a,50bの全てに対して、所望の形状を有する拡開部58a,58bや弾性当接部56a,56bが、均一の安定した形状において有利に形成され得る。 As shown in FIGS. 11 (a) and 11 (b), widened portions 58a and 58b are formed at all the tip portions of the plurality of pairs of terminal fittings 50a and 50b, while the lengthwise intermediate portions thereof are formed. A series of bending processes for forming the elastic contact portions 56a and 56b on the portions are performed while the base portions of the terminal fittings 50a and 50b are pressed against the guide blocks 52 by the pressing dies 62a and 62b. Therefore, at the time of forming the expanded portions 58a and 58b and the elastic contact portions 56a and 56b, the base portions of the terminal fittings 50a and 50b are lifted from the upper and lower inclined surfaces 54a and 54b of the guide block 52, or are horizontally It is advantageously prevented from being displaced in the direction. Further, since the vertical wall 60 is provided so as to be adjacent to the guide block 52, the adjacent terminal fittings 50a and 50b come into contact with each other at the time of bending the terminal fittings 50a and 50. Nor. Accordingly, the widened portions 58a and 58b and the elastic contact portions 56a and 56b having a desired shape can be advantageously formed in a uniform and stable shape for all of the plurality of pairs of terminal fittings 50a and 50b.

その後、図11の(c)に示されるように、二対の押圧型62a,62bと二つの挟込み型64,64と二対の挟圧型66a,66bとを、全て、複数対の端子金具50a,50bから離間させる。これにより、図4〜図7に示されるような構造を備えた、目的とするカードエッジコネクタ12を得るのである。   Thereafter, as shown in FIG. 11 (c), the two pairs of pressing dies 62a and 62b, the two sandwiching dies 64 and 64, and the two pairs of clamping dies 66a and 66b are all a plurality of pairs of terminal fittings. Separated from 50a, 50b. As a result, the intended card edge connector 12 having the structure shown in FIGS. 4 to 7 is obtained.

このように、本実施形態のカードエッジコネクタ12では、ハウジング22における互いに対を為す端子金具50a,50bの間の部分に一体形成されたガイドブロック52の上側及び下側傾斜面54a,54bを成形面として利用しつつ、各端子金具50a,50bを同時に曲げ変形させて、複数対の端子金具50a,50bの全てに対して、弾性当接部56a,56bが一挙に形成されるようになっている。これによって、各端子金具50a,50bに対して、弾性当接部56a,56bが極めて効率的に形成され得るだけでなく、そのような弾性当接部56a,56bの形成の際に必要とされる成形型の個数の削減が図られ得る。しかも、弾性当接部56a,56bの形成に際して、互いに対を為す端子金具50a,50を両側から押圧する押圧型他62a,62bが、複数の縦壁60にて案内されつつ移動することにより、各端子金具50a,50bの弾性当接部56a,56bが、均一な形状において安定的に形成される。   As described above, in the card edge connector 12 of the present embodiment, the upper and lower inclined surfaces 54a and 54b of the guide block 52 integrally formed in the portion between the terminal fittings 50a and 50b that form a pair in the housing 22 are formed. While using as a surface, the terminal fittings 50a and 50b are simultaneously bent and deformed so that elastic contact portions 56a and 56b are formed at a time for all of the plurality of pairs of terminal fittings 50a and 50b. Yes. Thereby, not only the elastic contact portions 56a and 56b can be formed very efficiently with respect to the terminal fittings 50a and 50b, but also required when forming such elastic contact portions 56a and 56b. The number of molds to be reduced can be reduced. In addition, when the elastic contact portions 56a and 56b are formed, the pressing dies 62a and 62b that press the paired terminal fittings 50a and 50 from both sides move while being guided by the plurality of vertical walls 60. The elastic contact portions 56a and 56b of the terminal fittings 50a and 50b are stably formed in a uniform shape.

従って、このようなカードエッジコネクタ12にあっては、複数対の端子金具50a,50bに対する簡略な加工を行うだけで、プリント配線基板10の複数の基板側接続部20に対して、複数対の端子金具50a,50bを、それぞれの弾性当接部56a,56bにおいて、確実に接触、保持させる構造が、各弾性当接部56a,56bを外側から押圧する余分な部材を用いることなく、極めて有利に実現され得る。そして、その結果、プリント配線基板10に対して、接触信頼性の高い外部接続端子を簡略に且つ確実に設けることが出来る。   Therefore, in such a card edge connector 12, a plurality of pairs of terminal wirings 10 of the printed wiring board 10 can be connected to a plurality of pairs by simply performing a simple process on the plurality of pairs of terminal fittings 50a and 50b. The structure in which the terminal fittings 50a and 50b are reliably contacted and held in the respective elastic contact portions 56a and 56b is extremely advantageous without using an extra member that presses the elastic contact portions 56a and 56b from the outside. Can be realized. As a result, an external connection terminal with high contact reliability can be simply and reliably provided on the printed wiring board 10.

また、カードエッジコネクタ12にあっては、基板挿入部28a,28bの端壁部34,34が、コネクタ取付部16の両側にそれぞれ位置するスリット14,14内にそれぞれ挿入されることにより、カードエッジコネクタ12のプリント配線基板10に取り付けられるようになっている。これにより、プリント配線基板10に差込用の突出部分を設ける必要がない。また、カードエッジコネクタ12の幅方向端壁部である端壁部34,34を利用して位置決め部を構成した簡単な構造で、カードエッジコネクタ12のプリント配線基板10への位置決めが可能となる。特に、端壁部34,34は、下側板状壁部32と一体形成されることによりその強度が向上されていることから、スリットへの嵌め合わせに際しての位置決め精度が向上される。   In the card edge connector 12, the end wall portions 34, 34 of the board insertion portions 28 a, 28 b are inserted into the slits 14, 14 located on both sides of the connector mounting portion 16, respectively, so that the card The edge connector 12 is attached to the printed wiring board 10. Thereby, it is not necessary to provide the protrusion part for insertion in the printed wiring board 10. FIG. In addition, the card edge connector 12 can be positioned on the printed wiring board 10 with a simple structure in which the positioning portion is configured by using the end wall portions 34, 34 that are the end walls in the width direction of the card edge connector 12. . In particular, since the strength of the end wall portions 34, 34 is improved by being formed integrally with the lower plate-like wall portion 32, the positioning accuracy during fitting into the slit is improved.

加えて、端壁部34により上側及び下側板状壁部30,32のそれぞれの剛性が高められていることから、一対の板状壁部30,32での接近/離隔方向への変形が抑えられて、プリント配線基板10の係止穴18に対する係止突起40の係止強度の向上と、コネクタ固定強度の信頼性の向上が図られる。   In addition, since the rigidity of the upper and lower plate-like wall portions 30 and 32 is enhanced by the end wall portion 34, deformation in the approach / separation direction at the pair of plate-like wall portions 30 and 32 is suppressed. As a result, the locking strength of the locking projection 40 with respect to the locking hole 18 of the printed wiring board 10 and the reliability of the connector fixing strength can be improved.

以上、本発明の実施形態について詳述してきたが、例えば、互いに対を為す端子金具50a,50bのそれぞれに対する弾性当接部56a,56bの形成位置は、例示のものに限定されるものではない。従って、例えば、互いに対を為す端子金具50a,50bのそれぞれの先端部を、最も接近するように曲げ変形して、それらの先端部にて、弾性当接部56a,56bを形成することも出来る。   As described above, the embodiment of the present invention has been described in detail. For example, the formation positions of the elastic contact portions 56a and 56b with respect to the terminal fittings 50a and 50b that are paired with each other are not limited to the illustrated ones. . Therefore, for example, the respective distal end portions of the terminal fittings 50a and 50b that are paired with each other can be bent and deformed to be closest to each other, and the elastic contact portions 56a and 56b can be formed at the distal end portions. .

また、端子金具端子金具50a,50bの配設数が多く、カードエッジコネクタ12の長さが増大する場合は、適宜、中間部分に第三基板挿入部28cを複数個設けると共に、プリント配線基板10においては、コネクタ取付部16の対応する個所に係止穴18を設けて、プリント配線基板10に対するカードエッジコネクタ12の固定強度を向上させてもよい。 In addition, when the number of the terminal metal fittings 50a and 50b is large and the length of the card edge connector 12 is increased, a plurality of third board insertion portions 28c are appropriately provided at the intermediate portion, and the printed wiring board 10 is appropriately provided. In this case, a locking hole 18 may be provided at a corresponding portion of the connector mounting portion 16 to improve the fixing strength of the card edge connector 12 to the printed wiring board 10.

また、例えば、ねじやかしめピンなどを用いて、カードエッジコネクタ12の基板挿入部28a〜28cと、それに挿入されたプリント配線基板10のコネクタ取付部16とを固定する構造を採用しても良い。更に、基板挿入部28a〜28cとコネクタ取付部16とに対して、公知の各種のロック機構を構成する部材を、例えばインサート成形等により固設し、そのようなロック機構を利用して、カードエッジコネクタ12をプリント配線基板10に固定するように為すことも出来る。   Further, for example, a structure in which the board insertion portions 28a to 28c of the card edge connector 12 and the connector mounting portion 16 of the printed wiring board 10 inserted therein are fixed by using screws or caulking pins may be adopted. . Furthermore, members constituting various known locking mechanisms are fixed to the board insertion portions 28a to 28c and the connector mounting portion 16 by, for example, insert molding or the like, and using such a locking mechanism, the card The edge connector 12 can also be fixed to the printed wiring board 10.

第一及び第二筐体部24a,24bの底壁部に複数の貫通孔を設け、それら複数の貫通孔に対して、端子金具50a,50bをそれぞれ圧入するなどして、複数対の端子金具50a,50bを第一及び第二筐体部24a,24bの底壁部に固設しても良い。 A plurality of pairs of terminal fittings are provided by providing a plurality of through holes in the bottom wall portions of the first and second casing portions 24a and 24b and press fitting the terminal fittings 50a and 50b into the plurality of through holes, respectively. You may fix 50a, 50b to the bottom wall part of the 1st and 2nd housing | casing parts 24a, 24b.

縦壁60の形状は、例示のものに、特に限定されるものでないことは、勿論である。 Of course, the shape of the vertical wall 60 is not particularly limited to the example.

10:プリント配線基板,12:カードエッジコネクタ(基板用コネクタ),14:スリット,16:コネクタ取付部,18:係止穴,20:基板側接続部,22:ハウジング,24:筐体部,28:基板挿入部,29:コ字状周壁部,30:上側板状壁部(一対の板状壁部),32:下側板状壁部(一対の板状壁部),34:端壁部,40:係止突起,50:端子金具,52:ガイドブロック,56:弾性当接部,60:縦壁 10: printed wiring board, 12: card edge connector (board connector), 14: slit, 16: connector mounting portion, 18: locking hole, 20: board side connection portion, 22: housing, 24: housing portion, 28: Substrate insertion part, 29: U-shaped peripheral wall part, 30: Upper plate-like wall part (a pair of plate-like wall parts), 32: Lower plate-like wall part (a pair of plate-like wall parts), 34: End wall Part: 40: locking projection, 50: terminal fitting, 52: guide block, 56: elastic contact part, 60: vertical wall

Claims (4)

プリント配線基板の端縁部に形成されたコネクタ取付部が挿入される基板挿入部を有するハウジングを備えており、前記コネクタ取付部の表裏両面上にそれぞれ突出して配置される複数対の端子金具が前記ハウジングに組みつけられていると共に、各前記端子金具の突出部分には、前記コネクタ取付部に形成された基板側接続部に当接される弾性当接部が設けられており、前記端子金具の弾性を利用して、前記プリント配線基板の表裏両面に形成された前記基板側接続部に対して前記端子金具の前記弾性当接部が当接されて、電気的接続状態に保持されるようになっている基板用コネクタにおいて、
前記複数対の端子金具が、前記ハウジングの幅方向に所定間隔をおいて設けられていると共に、
前記ハウジングには、各対を為す前記端子金具間に、両側に傾斜面があるガイドブロックが、前記端子金具の突出方向に向かってそれぞれ突設されており、
前記ガイドブロックの前記両側傾斜面に沿って、対を為す前記端子金具が突出先端側に向かって互いに接近する方向に屈曲されて、各対を為す前記端子金具の最も接近した部分が、前記弾性当接部とされている一方、
前記ハウジングの幅方向で互いに隣り合う前記端子金具間には、前記ハウジングから前記ガイドブロックと同じ方向に突設されて、それらの隣り合う端子金具間を隔てる縦壁が形成されていることを特徴とする基板用コネクタ。
A housing having a board insertion portion into which a connector attachment portion formed on an edge portion of a printed wiring board is inserted, and a plurality of pairs of terminal fittings arranged to protrude on both the front and back surfaces of the connector attachment portion, The terminal fitting is provided with an elastic contact portion that is attached to the board-side connecting portion formed in the connector mounting portion, and is mounted on the protruding portion of each terminal fitting. The elastic contact portion of the terminal fitting is brought into contact with the board-side connection portion formed on both the front and back surfaces of the printed wiring board using the elasticity of the printed wiring board so as to be held in an electrically connected state. In the board connector
The plurality of pairs of terminal fittings are provided at predetermined intervals in the width direction of the housing,
In the housing, between the terminal fittings forming each pair, guide blocks having inclined surfaces on both sides are provided so as to protrude in the protruding direction of the terminal fittings,
The terminal fittings that make a pair are bent along the inclined surfaces on both sides of the guide block in a direction approaching each other toward the projecting tip side, and the closest parts of the terminal fittings making each pair are elastically While being a contact part,
A vertical wall is formed between the terminal fittings adjacent to each other in the width direction of the housing so as to protrude from the housing in the same direction as the guide block and separate the adjacent terminal fittings. Board connector.
プリント配線基板の端縁部に形成されたコネクタ取付部が挿入される基板挿入部を有するハウジングを備えており、前記コネクタ取付部の表裏両面上にそれぞれ突出して配置される複数対の端子金具が前記ハウジングに組みつけられていると共に、それら各前記端子金具の突出部分には、前記コネクタ取付部に形成された基板側接続部に当接される弾性当接部が設けられており、前記端子金具の弾性を利用して、前記プリント配線基板の表裏両面に形成された前記基板側接続部に対して前記端子金具の前記弾性当接部が当接されて、電気的接続状態に保持されるようになっている基板用コネクタの製造方法であって、
前記複数対の端子金具が所定間隔をおいて組みつけられていると共に、それら各対を為す前記端子金具間に、両側に傾斜面があるガイドブロックが、前記端子金具の突出方向に向かって突設されており、且つ互いに隣り合う前記端子金具間には、前記ハウジングから前記ガイドブロックと同じ突出方向に突設されて、前記隣り合う端子金具間を隔てる縦壁が形成されている構造をもって、前記ハウジングを形成するハウジング準備工程と、
前記ハウジングに組み付けられた前記複数対の端子金具を、前記縦壁間において、前記ガイドブロックの前記両側傾斜面に沿って変形させることにより、各対を為す前記端子金具を突出先端側に向かって互いに接近させて、最も接近した部分で前記弾性当接部を形成する端子金具変形加工工程と
を、含むことを特徴とする基板用コネクタの製造方法。
A housing having a board insertion portion into which a connector attachment portion formed on an edge portion of a printed wiring board is inserted, and a plurality of pairs of terminal fittings arranged to protrude on both the front and back surfaces of the connector attachment portion, Each of the terminal fittings is assembled with the housing, and a protruding portion of each of the terminal fittings is provided with an elastic contact portion that comes into contact with the board-side connection portion formed in the connector mounting portion. Utilizing the elasticity of the metal fittings, the elastic contact portions of the terminal metal fittings are brought into contact with the board-side connection portions formed on the front and back surfaces of the printed wiring board, and are held in an electrically connected state. A method of manufacturing a board connector,
The plurality of pairs of terminal fittings are assembled at predetermined intervals, and guide blocks having inclined surfaces on both sides project between the terminal fittings forming the respective pairs in the protruding direction of the terminal fittings. Between the terminal fittings that are adjacent to each other, projecting from the housing in the same protruding direction as the guide block, and having a structure in which a vertical wall is formed separating the adjacent terminal fittings, A housing preparation step for forming the housing;
By deforming the plurality of pairs of terminal fittings assembled to the housing along the inclined surfaces on both sides of the guide block between the vertical walls, the paired terminal fittings are directed toward the projecting tip side. A method of manufacturing a connector for a board, comprising: a terminal fitting deforming step of forming the elastic contact portion at a portion closest to each other.
請求項1記載の基板用コネクタを備えたプリント配線基板であって、
前記基板用コネクタにおける前記ハウジングの前記基板挿入部が、少なくともその両側部分において、コ字状周壁部を有しており、前記各コ字状周壁部は、前記プリント配線基板の表裏両面にそれぞれ重ね合わされる一対の板状壁部と、該一対の板状壁部の外側端縁部間を連結する端壁部とから構成される一方、
前記プリント配線基板には、一対の切込み状のスリットが形成されて、それら一対のスリット間部分で前記コネクタ取付部が構成されており、前記各スリットに対して前記各コ字状周壁部の前記各端壁部が挿入されることにより、前記プリント配線基板に対する前記ハウジングが位置決めされるようになっている、
ことを特徴とする基板用コネクタを備えたプリント配線基板。
A printed wiring board comprising the board connector according to claim 1,
The board insertion portion of the housing in the board connector has a U-shaped peripheral wall portion at least on both sides thereof, and the U-shaped peripheral wall portions are respectively overlapped on the front and back surfaces of the printed wiring board. A pair of plate-shaped wall portions, and an end wall portion that connects between the outer edge portions of the pair of plate-shaped wall portions,
In the printed wiring board, a pair of cut slits are formed, and the connector mounting portion is configured by a portion between the pair of slits. By inserting each end wall portion, the housing relative to the printed wiring board is positioned.
A printed wiring board provided with a board connector characterized by the above.
請求項3記載の基板用コネクタを備えたプリント配線基板であって、
前記プリント配線基板の前記コネクタ取付部には、少なくともその幅方向両側部分に係止穴が設けられている一方、前記ハウジングの前記端部係合部における前記一対の板状壁部の対向面には、それらのうちの少なくとも一方に、前記プリント配線基板の前記係止穴に係止する係止突起が設けられて、該係止突起の係止穴への係止により、前記基板用コネクタが前記プリント配線に固定されるようになっている、
ことを特徴とする基板用コネクタを備えたプリント配線基板。
A printed wiring board comprising the board connector according to claim 3,
The connector mounting portion of the printed wiring board is provided with a locking hole at least at both sides in the width direction, and on the opposing surfaces of the pair of plate-like wall portions in the end engaging portion of the housing. At least one of them is provided with a locking projection for locking in the locking hole of the printed wiring board, and the locking of the locking projection to the locking hole causes the board connector to be It is designed to be fixed to the printed wiring,
A printed wiring board provided with a board connector characterized by the above.
JP2009015999A 2009-01-27 2009-01-27 Board connector, and manufacturing method thereof Pending JP2010176923A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018101910A1 (en) 2016-11-29 2018-06-07 Molex, Llc Low profile edge connector and system using same

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018101910A1 (en) 2016-11-29 2018-06-07 Molex, Llc Low profile edge connector and system using same
CN109997280A (en) * 2016-11-29 2019-07-09 莫列斯有限公司 The edge connector of low clearance and the system for using the edge connector
EP3549204A4 (en) * 2016-11-29 2020-06-24 Molex, LLC Low profile edge connector and system using same
US11545769B2 (en) 2016-11-29 2023-01-03 Molex, Llc Low profile edge connector and system using same

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