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JP5488876B2 - connector - Google Patents
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JP5488876B2 - connector - Google Patents

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JP5488876B2
JP5488876B2 JP2009212343A JP2009212343A JP5488876B2 JP 5488876 B2 JP5488876 B2 JP 5488876B2 JP 2009212343 A JP2009212343 A JP 2009212343A JP 2009212343 A JP2009212343 A JP 2009212343A JP 5488876 B2 JP5488876 B2 JP 5488876B2
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elastic contact
contact portion
elastic
electrode
card
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JP2011060731A (en
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孝一郎 江尻
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SMK Corp
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SMK Corp
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Description

この発明は、主にスイッチ端子などの電気コネクタのコンタクトの電気的接触の安定性を図る接触構造に関する。   The present invention relates to a contact structure mainly for improving the stability of electrical contact of electrical connector contacts such as switch terminals.

従来、カードコネクタの装着を検知するために装着されたカードに共動し、カードを検出する回路に接離自在なスイッチコンタクトが用いられている。このスイッチコンタクトは、ハウジングに一端が固定され、他端は固定端子に弾性接触可能に配置されていた。   2. Description of the Related Art Conventionally, a switch contact is used that is coupled to a card that is mounted in order to detect the mounting of a card connector, and that can freely contact and separate from a circuit that detects the card. One end of the switch contact is fixed to the housing, and the other end is arranged to be elastically contactable with the fixed terminal.

例えば特開2006−324043号では、ハウジングに固定された固定端子に所定間隔を隔てて臨む可動端子4が配置されている。
特開2006−324043号公報
For example, in Japanese Patent Application Laid-Open No. 2006-334043, a movable terminal 4 that faces a fixed terminal fixed to a housing at a predetermined interval is arranged.
JP 2006-334043 A

しかし、上記の場合、可動端子は片持ちバネによる一点接触となるので、可動端子の固有振動数と同じ振動や衝撃が加えられた場合は共振してしまい、可動端子が固定端子から瞬間的に離れてしまう瞬断が起こることがある。こうなると、カードを装着しているのにも関わらずアクセスが強制的に中断されるなどの不具合が起こる虞があった。   However, in the above case, since the movable terminal is in a single point contact by a cantilever spring, if the same vibration or impact as the natural frequency of the movable terminal is applied, it will resonate and the movable terminal will instantaneously move from the fixed terminal. There may be a momentary break that leaves you. In such a case, there is a possibility that a problem such as access being forcibly interrupted even though the card is mounted may occur.

この発明は、上記従来技術の問題に鑑みて成されたもので、確実な接続状態を保つことができるコンタクトの接触構造を提供することを目的とする。   The present invention has been made in view of the above-described problems of the prior art, and an object of the present invention is to provide a contact contact structure capable of maintaining a reliable connection state.

請求項1記載の発明は、相手側接続体を装着する装着孔を包含するハウジングと、相手側接続体の対応する電極に自らの弾性力によって接続する金属導体から成るコンタクトとから成り、基板に実装されるコネクタであって、コンタクトは、ハウジングに保持される固定部と、固定部に連なる少なくとも二つに分岐した第一、第二の弾性接触部を有し、第一弾性接触部は、装着孔に突出し装着された相手側接続体の電極を付勢して接続する接触部と、先端が基板に臨み、装着された相手側接続体に付勢された接触部の変位によって基板を付勢する基板付勢部とからなり、第二弾性接触部は、装着孔に突出して装着された相手側接続体の電極を付勢して接続する接触部と、装着された相手側接続体に付勢された接触部が変位しても先端が自由端とするものである。
これによって、第一弾性接触部を一端固定・他端支持構造の梁構造にし、第二弾性接触部を一端固定・他端自由端の梁構造に近似させるので、第一弾性接触部の固有振動数を第二弾性接触部の固有振動数より数倍にする。
The invention according to claim 1 includes a housing including a mounting hole for mounting the mating connector, and a contact made of a metal conductor connected to a corresponding electrode of the mating connector by its own elastic force. A connector to be mounted, wherein the contact has a fixed portion held by the housing, and first and second elastic contact portions branched into at least two connected to the fixed portion, and the first elastic contact portion is The contact portion that biases and connects the electrode of the mating connector that protrudes from the mounting hole and connects, and the substrate is attached by the displacement of the contact portion that the tip faces the substrate and is biased by the mating connector. The second elastic contact portion is formed on the contact portion that biases and connects the electrode of the mating connector that is mounted in a protruding manner in the mounting hole, and the mating connector that is mounted. Even if the biased contact part is displaced, the tip is free. It is intended to.
As a result, the first elastic contact portion has a beam structure with one end fixed / other end support structure, and the second elastic contact portion approximates to a beam structure with one end fixed / other end free end. The number is several times greater than the natural frequency of the second elastic contact portion.

請求項2記載の発明は、弾性変形部は先端に、少なくとも三つに分岐した弾性接触部を有し、第一と第二の弾性接触部以外の弾性接触部は、第一弾性接触部または第二弾接触部のいずれかと同じ形状を有し、少なくとも三つに分岐した弾性接触部が中心に対して対称形状にするものである。
これにより、弾性接触部の中心に対して対称な形状にするので、相手側接続体の装着に起因する負荷分布が弾性接触部の中心に対して対称に分布させる。
The invention according to claim 2 is characterized in that the elastic deformation part has at least an elastic contact part branched into three at the tip, and the elastic contact part other than the first and second elastic contact parts is the first elastic contact part or The elastic contact portion having the same shape as any one of the second bullet contact portions and at least three branches is symmetrical with respect to the center.
Thereby, since the shape is symmetrical with respect to the center of the elastic contact portion, the load distribution resulting from the mounting of the mating connector is distributed symmetrically with respect to the center of the elastic contact portion.

請求項3記載の発明は、コンタクトは、固定部に連設され、基板の電極に接続される実装部を有し、コンタクトを介して相手側接続体の電極と基板の電極を接続するものである。
これにより、コンタクトを介して相手側接続体の電極と基板の電極を接続することができる。
According to a third aspect of the present invention, the contact includes a mounting portion that is connected to the fixed portion and connected to the electrode of the substrate, and connects the electrode of the mating connector and the electrode of the substrate via the contact. is there.
Thereby, the electrode of the other party connection body and the electrode of a board | substrate can be connected via a contact.

請求項4記載の発明は、基板付勢部は基板の電極を付勢して接続し、コンタクトを介して相手側接続体の電極と基板の電極を接続するものである。
これにより、基板付勢部が基板の電極を接続し、コンタクトを介して相手側接続体の電極と基板の電極を接続することができる。
According to a fourth aspect of the present invention, the substrate urging portion urges and connects the electrode of the substrate, and connects the electrode of the mating connector and the electrode of the substrate via the contact.
Thereby, the board | substrate biasing part can connect the electrode of a board | substrate, and can connect the electrode of the other party connection body and the electrode of a board | substrate via a contact.

請求項5記載の発明は、相手側接続体の電極と基板の電極は、相手側接続体の装着を検知する回路を成し、コンタクトを介して相手側接続体の電極と基板の電極がコンタクトが接続されることによって回路が閉じて相手側接続体の装着を検出するものである。
これにより、相手側接続体の電極と基板の電極は、挿手側接続体の装着を検出する回路を形成することができる。
According to the fifth aspect of the present invention, the electrode of the mating connector and the electrode of the substrate form a circuit for detecting the mounting of the mating connector, and the electrode of the mating connector and the electrode of the substrate are in contact via the contact Is connected, the circuit is closed and the attachment of the counterpart connection body is detected.
Thereby, the electrode of the other party connection body and the electrode of the board | substrate can form the circuit which detects mounting | wearing of the insertion side connection body.

本発明のコネクタは、請求項1記載の発明によれば、第一の弾性接触部の固有振動数を第二の弾性接触部に比べて大幅に高くするので、振動数が連続的に変化するもしくは不連続でもほぼ一定である衝撃が与えられた場合、いずれかが確実に共振しないので、瞬断を防ぐことができる。   According to the connector of the present invention, since the natural frequency of the first elastic contact portion is significantly higher than that of the second elastic contact portion, the frequency continuously changes. Alternatively, when an impact that is substantially constant even when discontinuous is applied, one of them does not resonate reliably, so that an instantaneous interruption can be prevented.

請求項2記載の発明によれば、コンタクトのねじれを防ぐことができ、接触部の接触状態を良好にすることができる。 According to invention of Claim 2, the twist of a contact can be prevented and the contact state of a contact part can be made favorable.

請求項3記載の発明によれば、相手側接続体と基板を接続することができる。 According to the invention described in claim 3, the mating connector and the substrate can be connected.

請求項4記載の発明によれば、コンタクトに半田付けをする実装部を設けなくとも相手側接続体と基板を接続することができる。 According to the fourth aspect of the present invention, it is possible to connect the mating connector and the substrate without providing a mounting part for soldering to the contact.

請求項5記載の発明によれば、コンタクトを介して相手側接続体の装着を検出することができる。 According to invention of Claim 5, mounting | wearing of the other party connection body is detectable via a contact.

以下にこの発明を用いたコネクタの実施形態について述べる。   Embodiments of the connector using the present invention will be described below.

まず、第一実施形態の構成について、図1〜図7を基にして説明する。 First, the structure of 1st embodiment is demonstrated based on FIGS.

この実施形態におけるコネクタ1は、絶縁性樹脂から成り、カード2を収納する装着孔15を包含し、一体成形でプレート11を保持するハウジング10と、該ハウジング10に一体成形で埋め込まれ、装着されたカード型電子記憶媒体2の複数の電極21,21、・・・に自らの弾性力によって各々接続するコンタクト12,12、・・・と、前記カード2の装着を検出するスイッチコンタクト13とから成る。ハウジング10は更に、平面側の一端にあるプレート11の一部である軸受部11bに軸14aを回動、並行移動自在に係合させたシールドカバー14とを有し、図1にある様な閉じた状態におけるシールドカバー14とハウジング10の間が、カード2を収納できる装着孔15である。
コンタクト12は、装着孔15に突出した状態で装着孔15に臨んでおり、装着されたカード2の電極21と各々弾性接触し接続することができる。カード検出回路4は、コネクタが実装される基板3に設けられる第一電極41と、第二電極42であるカード2に設けられたスイッチ用電極22とからなり、装着されたカード2に共動したスイッチコンタクト13が第一電極41と第二電極42に電気的に接続すると、カード検出回路4は繋がり、カード2の装着が検出される。
The connector 1 in this embodiment is made of an insulating resin, includes a mounting hole 15 for housing the card 2, a housing 10 that holds the plate 11 by integral molding, and is embedded and mounted in the housing 10 by integral molding. Are connected to the plurality of electrodes 21, 21,... Of the card-type electronic storage medium 2 by their own elastic force, and the switch contact 13 that detects the mounting of the card 2. Become. The housing 10 further includes a shield cover 14 in which a shaft 14a is engaged with a bearing portion 11b, which is a part of a plate 11 at one end on the plane side, so that the shaft 14a can rotate and move in parallel, as shown in FIG. A space between the shield cover 14 and the housing 10 in the closed state is a mounting hole 15 in which the card 2 can be stored.
The contact 12 faces the mounting hole 15 in a state protruding from the mounting hole 15, and can be elastically contacted and connected to the electrode 21 of the mounted card 2 respectively. The card detection circuit 4 includes a first electrode 41 provided on the board 3 on which the connector is mounted, and a switch electrode 22 provided on the card 2 which is the second electrode 42, and cooperates with the mounted card 2. When the switch contact 13 is electrically connected to the first electrode 41 and the second electrode 42, the card detection circuit 4 is connected and the card 2 is detected.

本コネクタ10の使用とその機能について説明する。
基板3に実装されたコネクタ1は、コンタクト12の実装部12b及びプレート11の固定部11aを各々半田付けにより基板3に接続する。スイッチコンタクト13は対応する第一電極41に各々接続されている。
次に、ハウジング10の上面を覆うように配置されたシールドカバー14を開ける。
正面図において底面側から平面側に向かってシールドカバー14をスライドすると、ハウジング10の被係止部10aがシールドカバー14に設けられた係止部14bの上下方向の変位を規制していた係止関係が解除される。更にシールドカバー14の軸14aの反対側に位置する底面側の端部14cを上に引き上げると、軸14a周りに上方に回動して、シールドカバー14が開く。
次に、カード2をコネクタに装着する。
カード2を、ハウジング10に周囲を覆われて形成された装着孔15に合わせて所定の位置に載置する。シールドカバー14の軸14aの反対側に位置する先端の端部14cを下方に倒すと、シールドカバー14の軸14a周りに下方に回動して、シールドカバー14がカード2の上に位置する。シールドカバー14をわずかに下方に押し込みながら正面図において平面側から底面側に向かって平行移動させると、シールドカバー14の鉤状の係止部14bの先端がハウジング10の鉤状の被係止部10aの先端の下方に入りこみ、係止部14bの根元が被係止部10aの先端に当接して、装着作業が完了する。
The use and function of the connector 10 will be described.
The connector 1 mounted on the substrate 3 connects the mounting portion 12b of the contact 12 and the fixing portion 11a of the plate 11 to the substrate 3 by soldering. The switch contacts 13 are connected to the corresponding first electrodes 41, respectively.
Next, the shield cover 14 disposed so as to cover the upper surface of the housing 10 is opened.
In the front view, when the shield cover 14 is slid from the bottom side toward the plane side, the locked portion 10a of the housing 10 has locked the vertical displacement of the locking portion 14b provided on the shield cover 14. The relationship is broken. When the bottom end 14c of the shield cover 14 on the opposite side of the shaft 14a is pulled up, the shield cover 14 is opened by rotating upward around the shaft 14a.
Next, the card 2 is attached to the connector.
The card 2 is placed at a predetermined position in accordance with the mounting hole 15 formed by covering the periphery of the housing 10. When the tip end portion 14c located on the opposite side of the shaft 14a of the shield cover 14 is tilted downward, the shield cover 14 rotates downward around the shaft 14a of the shield cover 14 so that the shield cover 14 is positioned on the card 2. When the shield cover 14 is pushed downward slightly and moved in parallel from the plane side to the bottom surface side in the front view, the tip of the hook-like locking portion 14b of the shield cover 14 becomes the hook-like locked portion of the housing 10 10a enters the lower end of the tip 10a, the base of the locking portion 14b comes into contact with the tip of the locked portion 10a, and the mounting operation is completed.

この時、シールドカバー14とコンタクト12の間に挟持されたカード2は、各々の電極21とコンタクト12が適切に弾性接触して接続された状態になり、コンタクト12が接続された基板3の各々の電極31とカード2の各々の電極21が接続され、基板3に設けられたカード2の装着を検出するカード検出回路4の第一の電極41に接続されたスイッチコンタクト13は、カード2の検出回路の第二の電極42であるカード2のスイッチ用電極22に弾性接触することで、カード検出回路4が閉じ、カード2の装着を検出する。 At this time, the card 2 sandwiched between the shield cover 14 and the contact 12 is in a state where each electrode 21 and the contact 12 are appropriately elastically connected to each other, and each of the substrates 3 to which the contact 12 is connected. The switch contact 13 connected to the first electrode 41 of the card detection circuit 4 that detects the mounting of the card 2 provided on the substrate 3 is connected to the electrode 31 of the card 2. The card detection circuit 4 is closed by elastic contact with the switch electrode 22 of the card 2 which is the second electrode 42 of the detection circuit, and the attachment of the card 2 is detected.

スイッチコンタクト13は、金属板材を打ち抜き折曲加工したものであって、ハウジング10に埋め込まれて固定される固定部13aと、該固定部13aの一端から下方に屈曲して延出し、基板3のカード検出回路4に半田付けなどで接続される実装部13bと、該固定部13aの他端から固定部13aと同じ幅で水平にのび、更に約25度でなだらかに立ち上がり、その先端側の幅が約2.8倍に拡張させた弾性変形部13cと、該弾性変形部13cの先端に設けられたする二又状の弾性接触部13dとから成る。二又弾性接触部13dは、第一弾性接触部13daと、第二弾性接触部13dbとから成り、両方の接触部13da1、13db1が、共にカードに自らの弾性力によってカード2に弾性接触するものである。
第一弾性接触部13daは、装着孔15に突出し、弾性変形部13c側の端部からほぼ水平に延び、わずかに波打つ湾曲形状を有する接触部13da1と、該接触部13da1から約45度下がって基板3に略平行に臨ませた基板付勢部13da2とから成っている。
第二弾性接触部13dbは、弾性変形部13c側の端部から約15度で立ち上がり、その端部に更に弧を描いて立ち上がる接触部13db1が形成されている。接触部13db1は、装着孔15の約3/5ぐらいの高さに位置する。第二弾性接触部13dbの接触部13db1は、第一弾性接触部13daの接触部13da1より高位にして第一弾性接触部13daより撓み量を多くし、カード装着時に、後述する一端固定・他端支持の梁構造とみなせる第一弾性接触部13daのばね定数が高くなるので、両方の付勢力を同等にしている。
The switch contact 13 is obtained by punching and bending a metal plate material. The switch contact 13 is fixed by being embedded in the housing 10 and is bent downward from one end of the fixing portion 13a to extend. A mounting portion 13b connected to the card detection circuit 4 by soldering or the like, and extends horizontally from the other end of the fixing portion 13a to the same width as the fixing portion 13a, and rises gently at about 25 degrees, and the width at the tip side Is formed of an elastic deformation portion 13c expanded about 2.8 times, and a bifurcated elastic contact portion 13d provided at the tip of the elastic deformation portion 13c. The bifurcated elastic contact portion 13d is composed of a first elastic contact portion 13da and a second elastic contact portion 13db, and both the contact portions 13da1 and 13db1 elastically contact the card 2 with their own elastic force. It is.
The first elastic contact portion 13da protrudes into the mounting hole 15, extends substantially horizontally from the end portion on the elastic deformation portion 13c side, has a slightly wavy curved shape, and is lowered by about 45 degrees from the contact portion 13da1. The substrate urging portion 13da2 faces the substrate 3 substantially in parallel.
The second elastic contact portion 13db rises from an end portion on the elastic deformation portion 13c side at about 15 degrees, and a contact portion 13db1 that rises in an arc is formed at the end portion. The contact portion 13db1 is located at a height of about 3/5 of the mounting hole 15. The contact portion 13db1 of the second elastic contact portion 13db is higher than the contact portion 13da1 of the first elastic contact portion 13da so as to bend more than the first elastic contact portion 13da. Since the spring constant of the first elastic contact portion 13da that can be regarded as a support beam structure is increased, both urging forces are made equal.

載置されたカード2は、まず第二弾性接触部13dbの接触部13db1を自らの重みで下方に付勢し、閉じられたシールドカバー14によって更にカード2が下方に変位する。この時、下方に変位したカード2のスイッチ用電極22によって第一、第二弾性接触部13da、13dbの接触部13da1、13db1がともに下方に付勢され、第一、第二弾性接触部13da、13dbが共に下方に撓み、第一弾性接触部13daの基板付勢部13da2のみが下方に撓んだ分の弾性力で基板3を付勢し、第二弾性接触部13dbの先端は、他の部材に当接することなく自由端となる。
よって、第一弾性接触部13daと第二弾性接触部13dbの各接触部13da1、13db1が、カード2のスイッチ用電極22を付勢するカード装着時には、第一弾性接触部13da及び第二弾性接触部13dbの接触部13da1、13db1は、第二電極42であるカード2のスイッチ用電極22に接続し、第一弾性接触部13daの基板付勢部13da2は、基板3の第一電極41と接続するので、第一電極41と第二電極42がスイッチコンタクト13を介して接続され、カード検出回路4が閉じカード装着の検出が成される。
The placed card 2 first urges the contact portion 13db1 of the second elastic contact portion 13db downward with its own weight, and the card 2 is further displaced downward by the closed shield cover 14. At this time, both the contact portions 13da1 and 13db1 of the first and second elastic contact portions 13da and 13db are urged downward by the switch electrode 22 of the card 2 displaced downward, and the first and second elastic contact portions 13da, 13db is bent downward, and only the substrate biasing portion 13da2 of the first elastic contact portion 13da is biased downward to bias the substrate 3, and the tip of the second elastic contact portion 13db It becomes a free end without contacting the member.
Therefore, when the card is mounted so that the contact portions 13da1 and 13db1 of the first elastic contact portion 13da and the second elastic contact portion 13db urge the switch electrode 22 of the card 2, the first elastic contact portion 13da and the second elastic contact portion 13da. The contact portions 13da1 and 13db1 of the portion 13db are connected to the switch electrode 22 of the card 2 that is the second electrode 42, and the substrate biasing portion 13da2 of the first elastic contact portion 13da is connected to the first electrode 41 of the substrate 3 Therefore, the first electrode 41 and the second electrode 42 are connected via the switch contact 13, and the card detection circuit 4 is closed to detect card insertion.

また、接触部13da1、13db1がカード2を付勢するカード装着時には、第一弾性接触部13daは、固定部13a側端部がハウジング10に固定されており、第一弾性接触部13daの先端にある基板付勢部13da2は基板3を弾性付勢しているので、一端固定・他端支持の梁の弾性変形構造とみなすことができ、第二弾性接触部13dbは、固定部13a側端部がハウジング10に固定されており、第二弾性接触部13dbの先端は自由端になっているので、一端固定の片持梁の弾性変形構造とみなすことができる。したがって、二又の弾性接触部13dは、第一弾性接触部13daの固有振動数が、第二弾性接触部13dbの固有振動数より約3倍にすることができるので、一定時間の間、振動数がほぼ一定で振幅減衰させる単発の衝撃が加えられても、第一弾性接触部13daと第二弾性接触部13dbの固有振動数が大幅に異なるので、確実にどちらかは共振せずに接触を続け、結果として瞬断を防ぐことができる。 Further, when the card is mounted so that the contact portions 13da1 and 13db1 urge the card 2, the first elastic contact portion 13da is fixed to the housing 10 at the end of the fixed portion 13a, and is attached to the tip of the first elastic contact portion 13da. Since a certain substrate urging portion 13da2 elastically urges the substrate 3, it can be regarded as an elastic deformation structure of a beam fixed at one end and supported at the other end, and the second elastic contact portion 13db is an end portion on the fixed portion 13a side. Is fixed to the housing 10, and the tip of the second elastic contact portion 13db is a free end, and can be regarded as an elastically deformable structure of a cantilever with one end fixed. Therefore, the bifurcated elastic contact portion 13d can make the natural frequency of the first elastic contact portion 13da about three times the natural frequency of the second elastic contact portion 13db. Even if a single impact that attenuates the amplitude is applied with a substantially constant number, the natural frequency of the first elastic contact portion 13da and the second elastic contact portion 13db is significantly different, so that either one can reliably contact without resonating. As a result, instantaneous interruption can be prevented.

これは、一端固定・他端単純支持とみなせる第一弾性接触部13daのばね乗数は、一端固定・他端自由端である第二弾性接触部13dbのばね乗数の約11倍となり、固有振動数の因子であるばね乗数の1/2条よって固有振動数は約3.2となり、固有振動数を大幅に変えることができている。
第一弾性接触部13daの固有振動数を計算値の通り第二弾性接触部13dbの約3.2倍にするには、本実施例における固定部13aと二又の弾性接触部13dの間の弾性変形部13cを無くし、ハウジング10に固定させた固定部13aに直接、二又弾性接触部13dを連設させれば良い。
This is because the spring multiplier of the first elastic contact portion 13da, which can be regarded as one end fixed and the other end simple support, is about 11 times the spring multiplier of the second elastic contact portion 13db which is one end fixed and the other end free end. The natural frequency is about 3.2 due to 1/2 of the spring multiplier, which is a factor of the above, and the natural frequency can be changed greatly.
In order to increase the natural frequency of the first elastic contact portion 13da to about 3.2 times that of the second elastic contact portion 13db as calculated, the distance between the fixed portion 13a and the bifurcated elastic contact portion 13d in the present embodiment. The bifurcated elastic contact portion 13d may be directly connected to the fixed portion 13a fixed to the housing 10 without the elastic deformation portion 13c.

第二の実施例としては、前述の第一実施例と異なる構造について以下に説明し、重複する説明は省略する。
第一実施例と異なる第二実施例の特徴は、コネクタ1のカード2の装着を検出するカード検出回路4の第二電極42を、カード2に設けずに第一弾性接触部13daの基板付勢部13da2が臨む部位に設ける。
As the second embodiment, a structure different from that of the first embodiment will be described below, and a duplicate description will be omitted.
A feature of the second embodiment different from the first embodiment is that the second electrode 42 of the card detection circuit 4 for detecting the attachment of the card 2 of the connector 1 is not provided on the card 2 and the first elastic contact portion 13da is attached to the substrate. It is provided in the part where the force part 13da2 faces.

コネクタ及びスイッチコンタクト13の構造は第一実施例に開示されたものと同じなので、以下に使用状態について説明する。
装着孔15に載置されたカード2は、まず第二弾性接触部13dbの接触部13db1を自らの重みで下方に付勢し、閉じられたシールドカバー14によって更にカード2が下方に変位する。この時、下方に変位したカード2によって第一、第二弾性接触部13da、13dbの接触部13da1、13db1がともに下方に付勢され、第一、第二弾性接触部13da、13dbが下方に撓み、第一弾性接触部13daの基板付勢部13da2は下方に撓んだ分の弾性力によって基板3のカード検出回路4の第二電極42上をカード挿入方向に摺接して付勢する。
よって、第一弾性接触部13daと第二弾性接触部13dbの各接触部13da1、13db1が、カード2を付勢するカード装着時には、第一弾性接触部13da及び第二弾性接触部13dbの接触部13da1、13db1は、カード2を付勢し、第一弾性接触部13daの基板付勢部13da2は基板3の第二電極42と接続するので、スイッチコンタクト13の実装部13bと接続された第一電極41と第二電極42がスイッチコンタクト13を介して接続され、カード検出回路4が閉じ、カード装着の検出が成されよって、カードの装着時には、第一弾性接触部は、弾性変形部の固定部側端部がハウジングに固定されており、第一弾性接触部の先端にある基板付勢部は基板を弾性付勢しているので、一端固定・他端支持の梁の弾性変形構造とみなすことができ、第二弾性接触部は、弾性変形部の固定部側端部がハウジングに固定されており、第二弾性接触部の先端は自由端になっているので、一端固定の片持梁の弾性変形構造とみなすことができる。したがって、二又弾性接触部は、第一弾性接触部の固有振動数が、第二弾性接触部の固有振動数より約A倍る。
よって、カード2にカード検出回路4の電極を設けなくても、本実施例のスイッチコンタクト13を用いれば、カード2の検出を簡易に実現することができる。
Since the structure of the connector and switch contact 13 is the same as that disclosed in the first embodiment, the use state will be described below.
The card 2 placed in the mounting hole 15 first biases the contact portion 13db1 of the second elastic contact portion 13db downward with its own weight, and the card 2 is further displaced downward by the closed shield cover 14. At this time, both the contact portions 13da1 and 13db1 of the first and second elastic contact portions 13da and 13db are urged downward by the card 2 displaced downward, and the first and second elastic contact portions 13da and 13db are bent downward. The board urging part 13da2 of the first elastic contact part 13da slidably contacts the second electrode 42 of the card detection circuit 4 of the board 3 in the card insertion direction by the elastic force of the downward deflection.
Therefore, when the card is attached to which the contact portions 13da1 and 13db1 of the first elastic contact portion 13da and the second elastic contact portion 13db urge the card 2, the contact portions of the first elastic contact portion 13da and the second elastic contact portion 13db. 13da1 and 13db1 urge the card 2, and the substrate urging portion 13da2 of the first elastic contact portion 13da is connected to the second electrode 42 of the substrate 3, so that the first connected to the mounting portion 13b of the switch contact 13 The electrode 41 and the second electrode 42 are connected via the switch contact 13, the card detection circuit 4 is closed, and the card attachment is detected. Therefore, when the card is attached, the first elastic contact portion is fixed to the elastic deformation portion. The side end is fixed to the housing, and the board biasing part at the tip of the first elastic contact part elastically biases the board, so the elasticity of the beam fixed at one end and supported at the other end The second elastic contact portion is fixed at one end because the end of the elastic deformation portion is fixed to the housing and the tip of the second elastic contact portion is a free end. It can be regarded as an elastic deformation structure of the cantilever. Therefore, in the bifurcated elastic contact portion, the natural frequency of the first elastic contact portion is approximately A times higher than the natural frequency of the second elastic contact portion.
Therefore, even if the card 2 is not provided with the electrode of the card detection circuit 4, the detection of the card 2 can be easily realized by using the switch contact 13 of this embodiment.

次に第三実施例について説明する。
第一実施例と異なる構造は、図8にあるとおり、スイッチコンタクト13の実装部13bが無く、カード検出回路4の第一電極41としてカード2にあるスイッチ用電極22と、スイッチコンタクト13の基板付勢部13da2が臨む部位に第二電極42を設けている。
カード2を装着した際、シールドカバー14とコンタクト12の間に挟持されたカード2は、各々の電極21とコンタクト12が適切に弾性接触して接続された状態になり、カード2に設けられた第一電極41に接続されたスイッチコンタクト13は、カード2の検出回路4の第一の電極であるカード2のスイッチ用電極22に弾性接触することで、スイッチコンタクト13を介してカード検出回路4が閉じ、カード2の装着を検出する。
Next, a third embodiment will be described.
As shown in FIG. 8, the structure different from the first embodiment is that there is no mounting portion 13 b of the switch contact 13, the switch electrode 22 on the card 2 as the first electrode 41 of the card detection circuit 4, and the substrate of the switch contact 13. The 2nd electrode 42 is provided in the site | part which urging | biasing part 13da2 faces.
When the card 2 is mounted, the card 2 sandwiched between the shield cover 14 and the contact 12 is in a state in which each electrode 21 and the contact 12 are appropriately elastically contacted and connected to each other. The switch contact 13 connected to the first electrode 41 is in elastic contact with the switch electrode 22 of the card 2 that is the first electrode of the detection circuit 4 of the card 2, so that the card detection circuit 4 is connected via the switch contact 13. Closes and the insertion of the card 2 is detected.

スイッチコンタクト13は、金属板材を打ち抜き折曲加工したものであって、ハウジング10に埋め込まれて固定される固定部13aと、該固定部13aの一端から固定部13aと同じ幅で水平にのび、更に約25度でなだらかに立ち上がり、その先端側の幅が約2.8倍に拡張させた弾性変形部13cと、該弾性変形部13cの先端に設けられたする二又状の弾性接触部13dとから成る。二又弾性接触部13dは、第一弾性接触部13daと、第二弾性接触部13dbとから成り、両方の接触部13da1、13db1が、共にカードに自らの弾性力によってカード2に弾性接触するものである。
第一弾性接触部13daは、装着孔15に突出し、弾性変形部13c側の端部からほぼ水平に延び、わずかに波打つ湾曲形状を有する接触部13da1と、該接触部13da1から約45度下がって基板3に略平行に臨ませた基板付勢部13da2とから成っている。
第二弾性接触部13dbは、弾性変形部13c側の端部から約15度で立ち上がり、その端部に更に弧を描いて立ち上がる接触部13db1が形成されている。接触部13db1は、装着孔15の約3/5ぐらいの高さに位置する。第二弾性接触部13dbの接触部13db1は、第一弾性接触部13daの接触部13da1より高位にして第一弾性接触部13daより撓み量を多くし、カード装着時に、後述する一端固定・他端支持の梁構造とみなせる第一弾性接触部13daのばね定数が高くなるので、両方の付勢力を同等にしている。
The switch contact 13 is obtained by punching and bending a metal plate material, and is fixed to the fixing portion 13a that is embedded and fixed in the housing 10, and extends horizontally from one end of the fixing portion 13a to the same width as the fixing portion 13a. Further, the elastically deforming portion 13c that rises gently at about 25 degrees and has a width of about 2.8 times the tip side thereof, and a bifurcated elastic contact portion 13d provided at the tip of the elastically deforming portion 13c. It consists of. The bifurcated elastic contact portion 13d is composed of a first elastic contact portion 13da and a second elastic contact portion 13db, and both the contact portions 13da1 and 13db1 elastically contact the card 2 with their own elastic force. It is.
The first elastic contact portion 13da protrudes into the mounting hole 15, extends substantially horizontally from the end portion on the elastic deformation portion 13c side, has a slightly wavy curved shape, and is lowered by about 45 degrees from the contact portion 13da1. The substrate urging portion 13da2 faces the substrate 3 substantially in parallel.
The second elastic contact portion 13db rises from an end portion on the elastic deformation portion 13c side at about 15 degrees, and a contact portion 13db1 that rises in an arc is formed at the end portion. The contact portion 13db1 is located at a height of about 3/5 of the mounting hole 15. The contact portion 13db1 of the second elastic contact portion 13db is higher than the contact portion 13da1 of the first elastic contact portion 13da so as to bend more than the first elastic contact portion 13da. Since the spring constant of the first elastic contact portion 13da that can be regarded as a support beam structure is increased, both urging forces are made equal.

載置されたカード2は、まず第二弾性接触部13dbの接触部13db1を自らの重みで下方に付勢し、閉じられたシールドカバー14によって更にカード2が下方に変位する。この時、下方に変位したカード2のスイッチ用電極22によって第一、第二弾性接触部13da、13dbの接触部13da1、13db1がともに下方に付勢され、第一、第二弾性接触部13da、13dbが共に下方に撓み、第一弾性接触部13daの基板付勢部13da2は下方に撓んだ分の弾性力で第二電極42を付勢し、第二弾性接触部13dbの先端は、他の部材に当接することなく自由端となる。
よって、第一弾性接触部13daと第二弾性接触部13dbの各接触部13da1、13db1が、カード2を付勢するカード2装着時には、第一弾性接触部13da及び第二弾性接触部13dbの接触部13da1、13db1は、第一電極41であるカード2のスイッチ用電極22に接続し、第一弾性接触部13daの基板付勢部13da2は基板3の第二電極42と接続するので、第一電極41と第二電極42がスイッチコンタクト13を介して接続され、カード検出回路4が閉じカード2装着の検出が成される。
また、接触部13da1、13db1がカード2をを付勢するカード装着時には、第一弾性接触部13daは、弾性変形部の固定部13a側端部がハウジング10に固定されており、第一弾性接触部13daの先端にある基板付勢部13da2は基板3を弾性付勢しているので、一端固定・他端支持の梁の弾性変形構造とみなすことができ、第二弾性接触部13dbは、弾性変形部の固定部13a側端部がハウジング10に固定されており、第二弾性接触部13dbの先端は自由端になっているので、一端固定の片持梁の弾性変形構造とみなすことができる。したがって、二又の弾性接触部13dは、第一弾性接触部13daの固有振動数が、第二弾性接触部13dbの固有振動数より約3倍とすることができるので、一定時間の間、振動数がほぼ一定で振幅減衰させる単発の衝撃が加えられても、第一弾性接触部13daと第二弾性接触部13dbの固有振動数が大幅にずれているので、確実にどちらかは共振せずに接触を続け、結果として瞬断を防ぐことができる。
更に本実施例は、スイッチコンタクト13の実装部13bを設ける必要が無く半田付けをしなくても、カード検出回路4を形成することができる。
The placed card 2 first urges the contact portion 13db1 of the second elastic contact portion 13db downward with its own weight, and the card 2 is further displaced downward by the closed shield cover 14. At this time, both the contact portions 13da1 and 13db1 of the first and second elastic contact portions 13da and 13db are urged downward by the switch electrode 22 of the card 2 displaced downward, and the first and second elastic contact portions 13da, 13db is bent downward, the substrate biasing portion 13da2 of the first elastic contact portion 13da biases the second electrode 42 by the elastic force of the downward deflection, and the tip of the second elastic contact portion 13db It becomes a free end without contacting the member.
Therefore, when the card 2 is attached so that the contact portions 13da1 and 13db1 of the first elastic contact portion 13da and the second elastic contact portion 13db urge the card 2, the contact between the first elastic contact portion 13da and the second elastic contact portion 13db. Since the parts 13da1 and 13db1 are connected to the switch electrode 22 of the card 2 which is the first electrode 41, and the board biasing part 13da2 of the first elastic contact part 13da is connected to the second electrode 42 of the board 3, The electrode 41 and the second electrode 42 are connected via the switch contact 13, and the card detection circuit 4 is closed to detect the card 2 being mounted.
In addition, when the card is mounted so that the contact portions 13da1 and 13db1 urge the card 2, the first elastic contact portion 13da is fixed to the housing 10 at the end of the elastic deformation portion on the fixed portion 13a side. Since the substrate biasing portion 13da2 at the tip of the portion 13da elastically biases the substrate 3, it can be regarded as an elastic deformation structure of the beam fixed at one end and supported at the other end, and the second elastic contact portion 13db is elastic Since the end of the deformable portion on the fixed portion 13a side is fixed to the housing 10, and the tip of the second elastic contact portion 13db is a free end, it can be regarded as an elastically deformable structure of one end fixed cantilever. . Therefore, since the bifurcated elastic contact portion 13d can make the natural frequency of the first elastic contact portion 13da approximately three times the natural frequency of the second elastic contact portion 13db, Even when a single impact is applied that attenuates the amplitude with a substantially constant number, the natural frequencies of the first elastic contact portion 13da and the second elastic contact portion 13db are greatly deviated. As a result, the interruption can be prevented.
Furthermore, in this embodiment, it is not necessary to provide the mounting portion 13b of the switch contact 13, and the card detection circuit 4 can be formed without soldering.

次に第四実施例は、第一実施例と異なり、コンタクト12の弾性接触部が二又ではなく、三又になった三又弾性接触部13eである。以下に図10(c)に表れる第一実施例との異なる構造について第四実施例の説明をする。 Next, unlike the first embodiment, the fourth embodiment is a trifurcated elastic contact portion 13e in which the elastic contact portion of the contact 12 is not bifurcated but is trifurcated. The fourth embodiment will be described below with respect to a different structure from the first embodiment shown in FIG.

スイッチコンタクト13は、金属板材を打ち抜き折曲加工したものであって、ハウジング10に埋め込まれて固定される固定部13aと、該固定部13aの一端から下方に屈曲して延出し、基板3のカード検出回路4に半田付けなどで接続される実装部13bと、該固定部13aの他端から固定部13aと同じ幅で水平にのび、更に約25度でなだらかに立ち上がり、その先端側の幅が約1.8倍に拡張させた弾性変形部13cと、該弾性変形部13cの先端に設けられた三又状の弾性接触部13eとから成る。三又弾性接触部13eは、第一弾性接触部13daと、第二弾性接触部13dbと、第三弾性接触部13dcから成り、これらの接触部13da1、13db1、13dcが、共にカードに自らの弾性力によってカード2に弾性接触するものである。
第一弾性接触部13da及び第三弾性接触部13cは、装着孔15に突出し、弾性変形部13c側の端部からほぼ水平に延び、わずかに波打つ湾曲形状を有する接触部13da1、13dc1と、該接触部13da1、13dc1から約45度下がって基板3に略平行に臨ませた基板付勢部13da2、13dc2とからそれぞれ構成されている。
第二弾性接触部13dbは、弾性変形部13c側の端部から約15度で立ち上がり、その端部に更に弧を描いて立ち上がる接触部13db1が形成されている。この接触部13db1は、装着孔15の約3/5ぐらいの高さに位置する。第二弾性接触部13dbの接触部13db1は、第一弾性接触部13da及び第三弾性接触部13dcの接触部13da1、13dc1より高位にして第一弾性接触部13da及び第三弾性接触部13dcより撓み量を多くし、カード装着時に、後述する一端固定・他端支持の梁構造とみなせる第一、第三弾性接触部13da、13dcのばね定数が高くなるので、第一、第二、第三の接触部13da1,13db1,13dc1の付勢力を同等にしている。
The switch contact 13 is obtained by punching and bending a metal plate material. The switch contact 13 is fixed by being embedded in the housing 10 and is bent downward from one end of the fixing portion 13a to extend. A mounting portion 13b connected to the card detection circuit 4 by soldering or the like, and extends horizontally from the other end of the fixing portion 13a to the same width as the fixing portion 13a, and rises gently at about 25 degrees, and the width at the tip side Is formed by an elastic deformation portion 13c expanded about 1.8 times and a trifurcated elastic contact portion 13e provided at the tip of the elastic deformation portion 13c. The trifurcated elastic contact portion 13e includes a first elastic contact portion 13da, a second elastic contact portion 13db, and a third elastic contact portion 13dc. These contact portions 13da1, 13db1, and 13dc are all elastic to the card. The card 2 is elastically contacted by force.
The first elastic contact portion 13da and the third elastic contact portion 13c protrude into the mounting hole 15, extend substantially horizontally from the end portion on the elastic deformation portion 13c side, and have contact portions 13da1, 13dc1 having curved shapes that are slightly waved, Substrate urging portions 13da2 and 13dc2 that are lowered approximately 45 degrees from the contact portions 13da1 and 13dc1 and face the substrate 3 substantially in parallel, respectively.
The second elastic contact portion 13db rises from an end portion on the elastic deformation portion 13c side at about 15 degrees, and a contact portion 13db1 that rises in an arc is formed at the end portion. The contact portion 13db1 is located at a height of about 3/5 of the mounting hole 15. The contact portion 13db1 of the second elastic contact portion 13db is higher than the contact portions 13da1 and 13dc1 of the first elastic contact portion 13da and the third elastic contact portion 13dc and is bent from the first elastic contact portion 13da and the third elastic contact portion 13dc. Since the spring constant of the first and third elastic contact portions 13da and 13dc, which can be regarded as a beam structure with one end fixed and the other end supported later, is increased when the card is mounted, the first, second and third The urging forces of the contact portions 13da1, 13db1, and 13dc1 are made equal.

載置されたカード2は、まず第二弾性接触部13dbの接触部13db1を自らの重みで下方に付勢し、閉じられたシールドカバー14によって更にカード2が下方に変位する。この時、下方に変位したカード2のスイッチ用電極22によって第一、第二、第三の弾性接触部13da、13db、13dcの接触部13da1、13db1、13dc1がともに下方に付勢され、第一、第三の弾性接触部13da、13dcの基板付勢部13da2、13dc2は下方に撓んだ分の弾性力で基板3を付勢する。
よって、第一弾性接触部13daと第二弾性接触部13dbと第三弾性接触部13dcの各接触部13da1、13db1、13dc1が、カード2を付勢するカード装着時には、第一、第二、及び第三の弾性接触部13da,13db,13dcの接触部13da1、13db1、13dc1は、第二電極42であるカード2のスイッチ用電極22に接続し、第一電極41と実装部13bが接続されているので、第一電極41と第二電極42がスイッチコンタクト13を介して接続され、カード検出回路4が閉じカード2の装着の検出が成される。
第一、第二、第三の弾性接触部13da,13db,13dcの各接触部13da1、13db1、13dc1がカード2を付勢するカード装着時には、第一、第三の弾性接触部13da、13dcは、固定部13a側端部がハウジング10に固定されており、先端にある基板付勢部13da2,13dc2は基板3を弾性付勢しているので、一端固定・他端支持の梁の弾性変形構造とみなすことができ、第二弾性接触部13dbは、固定部13a側端部がハウジング10に固定されており、先端は自由端になっているので、一端固定の片持梁の弾性変形構造をなっている。したがって、三又弾性接触部13eは、第一弾性接触部13daと第三弾性接触部13dcの固有振動数が、第二弾性接触部13dbの固有振動数より約3倍とすることができるので、振動数がほとんど変化せずに振幅が減衰しながら一定時間振動する単発の衝撃が加えられても、第一弾性接触部13da(もしくは第三男性弾性接触部)と第二弾性接触部13dbの固有振動数が大幅に異なるので、確実にどれか共振せずに接触を続け、結果として瞬断を防ぐことができる。
また、三又弾性接触部13eは、第二弾性接触部第二弾性接触部13dbが配置された中心に対してに対して対象に同一形状の第一弾性接触部13daと第三接触部を対称に配置することで有して、三又弾性接触部13eを中心に対して対称形状にしているので、第一、第二、第三弾性接触部13da、13db、13dcへの負荷が中心に配置された第二弾性接触部13dbに対して対称に分布させることができ、コンタクト12のねじれを防ぐことができる。
また、本実施例に限らず、第一弾性接触部が一端固定・他端支持の弾性接触部を一つにし、一端固定で他端は自由端の弾性接触部の第二弾性接触部を二つにしてもでも良く、その分岐した弾性接触部13eの中心に対して対象な形状になる様にこれらの第一から第三の弾性接触部を配置すれば良い。また、弾性接触部が四又以上にしても同様に本発明を実施することができる。例えば、中央の2つを一端固定他端支持にし、その外側に並ぶ2つを一端固定で他端を自由端にすれば良い。
もちろん、スイッチコンタクト13のねじれが接触接触に状態に影響をほとんど与えなければ、三又弾性接触部13eを対象形状にしなくても良い。
The placed card 2 first urges the contact portion 13db1 of the second elastic contact portion 13db downward with its own weight, and the card 2 is further displaced downward by the closed shield cover 14. At this time, the contact portions 13da1, 13db1, and 13dc1 of the first, second, and third elastic contact portions 13da, 13db, and 13dc are all urged downward by the switch electrode 22 of the card 2 that is displaced downward. The substrate urging portions 13da2 and 13dc2 of the third elastic contact portions 13da and 13dc urge the substrate 3 with an elastic force that is bent downward.
Therefore, when the first elastic contact portion 13da, the second elastic contact portion 13db, and the third elastic contact portion 13dc, the contact portions 13da1, 13db1, and 13dc1 are attached to the card 2 that urges the card 2, the first, second, and The contact portions 13da1, 13db1, and 13dc1 of the third elastic contact portions 13da, 13db, and 13dc are connected to the switch electrode 22 of the card 2 that is the second electrode 42, and the first electrode 41 and the mounting portion 13b are connected. Therefore, the first electrode 41 and the second electrode 42 are connected via the switch contact 13, and the card detection circuit 4 is closed to detect the mounting of the card 2.
When the card is mounted so that the contact portions 13da1, 13db1, and 13dc1 of the first, second, and third elastic contact portions 13da, 13db, and 13dc bias the card 2, the first and third elastic contact portions 13da and 13dc are The end of the fixed portion 13a is fixed to the housing 10, and the substrate urging portions 13da2 and 13dc2 at the tip elastically urge the substrate 3, so that the elastic deformation structure of the beam fixed at one end and supported at the other end is supported. The second elastic contact portion 13db has a fixed portion 13a side end fixed to the housing 10, and the tip is a free end. Therefore, the second elastic contact portion 13db has a one-end fixed cantilever elastic deformation structure. It has become. Therefore, the trifurcated elastic contact portion 13e can make the natural frequency of the first elastic contact portion 13da and the third elastic contact portion 13dc about 3 times the natural frequency of the second elastic contact portion 13db. Even if a single impact is applied that vibrates for a certain period of time while the amplitude is attenuated with almost no change in the frequency, the first elastic contact portion 13da (or the third male elastic contact portion) and the second elastic contact portion 13db are inherent. Since the vibration frequency is greatly different, it is possible to reliably continue the contact without any resonance, and as a result, the instantaneous interruption can be prevented.
The trifurcated elastic contact portion 13e is symmetrical with the first elastic contact portion 13da and the third contact portion having the same shape with respect to the center where the second elastic contact portion second elastic contact portion 13db is arranged. Since the three-pronged elastic contact portion 13e is symmetrical with respect to the center, the load on the first, second, and third elastic contact portions 13da, 13db, and 13dc is arranged at the center. The second elastic contact portion 13db can be distributed symmetrically, and the contact 12 can be prevented from being twisted.
Further, not limited to this embodiment, the first elastic contact portion has one elastic contact portion that is fixed at one end and supported at the other end, and is fixed at one end and the second elastic contact portion at the other end is a free elastic contact portion. The first to third elastic contact portions may be arranged so as to have a target shape with respect to the center of the branched elastic contact portion 13e. Moreover, even if the elastic contact portion has four or more parts, the present invention can be similarly implemented. For example, the center two may be used as one end fixed other end support, the two arranged on the outside may be fixed at one end and the other end may be a free end.
Of course, if the twist of the switch contact 13 hardly affects the contact contact state, the trifurcated elastic contact portion 13e does not have to be a target shape.

また、第五実施例は、本発明の瞬断防止構造をスイッチコンタクト13ではなく通常の電気コンタクト12に用いたものであり、図10(a)を用いて以下に説明する。
この実施形態におけるコネクタ1は、各部品を保持し装着孔15を包含する絶縁性樹脂から成るハウジング10と、該ハウジング10とほぼ同一の面積を成し、ハウジング10に一体成形で埋め込まれたプレート11と、該ハウジング10に一体成形で埋め込まれ、装着されたカード型電子記憶媒体2の複数の電極21,21、・・・に各々接続されるコンタクト12,12、・・・とから成る。ハウジング10は、平面側端部に回動、並行移動自在に係合されたシールドカバー14とから成る。図1にある様な閉じた状態におけるシールドカバー14とハウジング10の間が、カード2を収納できる装着孔15である。コンタクト12は、装着孔15に突出した状態で装着孔15に臨んでおり、装着されたカード2の電極21と各々弾性接触し接続することができる。
In the fifth embodiment, the structure for preventing instantaneous interruption according to the present invention is used for the normal electrical contact 12 instead of the switch contact 13, and will be described below with reference to FIG.
The connector 1 in this embodiment includes a housing 10 made of an insulating resin that holds each component and includes a mounting hole 15, and a plate that has substantially the same area as the housing 10 and is embedded in the housing 10 by integral molding. 11 and contacts 12, 12,..., Which are embedded in the housing 10 by integral molding and connected to the plurality of electrodes 21, 21,. The housing 10 is composed of a shield cover 14 that is rotatably and parallelly engaged with an end portion on the plane side. The space between the shield cover 14 and the housing 10 in the closed state as shown in FIG. The contact 12 faces the mounting hole 15 in a state protruding from the mounting hole 15, and can be elastically contacted and connected to the electrode 21 of the mounted card 2 respectively.

本コネクタ10の使用とその機能について説明する。
まずハウジング10の上面を覆うように配置されたシールドカバー14を開ける。
正面図において底面側から平面側に向かってシールドカバー14をスライドすると、ハウジング10の被係止部10aがシールドカバー14に設けられた係止部14bの上下方向の変位を規制していた係止関係が解除される。更にシールドカバー14の軸14aの反対側に位置する底面側の端部14cを上に引き上げると、軸14a周りに上方に回動して、シールドカバー14が開く。
次に、カード2をコネクタに装着する。
カード2を、ハウジング10に周囲を覆われて形成された装着孔15に合わせて所定の位置に載置する。シールドカバー14の軸の反対側に位置する先端部を下方に倒すと、シールドカバー14の軸周りに下方に回動して、シールドカバー14がカード2の上に位置する。シールドカバー14をわずかに下方に押し込みながら正面図において正面側から底面側に向かって平行移動させると、シールドカバー14の係止部がハウジング10の被係止部10aの下方に入りこみ、係止部が被係止部10aの底面側の壁面に当接して、装着作業が完了する。
The use and function of the connector 10 will be described.
First, the shield cover 14 disposed so as to cover the upper surface of the housing 10 is opened.
In the front view, when the shield cover 14 is slid from the bottom side toward the plane side, the locked portion 10a of the housing 10 has locked the vertical displacement of the locking portion 14b provided on the shield cover 14. The relationship is broken. When the bottom end 14c of the shield cover 14 on the opposite side of the shaft 14a is pulled up, the shield cover 14 is opened by rotating upward around the shaft 14a.
Next, the card 2 is attached to the connector.
The card 2 is placed at a predetermined position in accordance with the mounting hole 15 formed by covering the periphery of the housing 10. When the tip of the shield cover 14 located on the opposite side of the axis is tilted downward, the shield cover 14 is rotated around the axis of the shield cover 14 and the shield cover 14 is positioned on the card 2. When the shield cover 14 is pushed downward slightly and moved in parallel from the front side to the bottom side in the front view, the locking portion of the shield cover 14 enters below the locked portion 10a of the housing 10 and the locking portion. Comes into contact with the bottom wall of the locked portion 10a, and the mounting operation is completed.

コンタクト12は、金属板材を打ち抜き折曲加工したものであって、ハウジング10に埋め込まれて固定される固定部12aと、該固定部12aの一端から下方に屈曲して延出し、基板3のカード検出回路4に半田付けなどで接続される実装部12bと、該固定部12aの他端から固定部12aと同じ幅で水平にのび、更に約25度でなだらかに立ち上がり、その先端側の幅が約2.8倍に拡張させた弾性変形部12cと、該弾性変形部12cの先端に連接設けられたする二又状の弾性接触部12dとから成る。二又弾性接触部12dは、第一弾性接触部12daと、第二弾性接触部12dbとから成り、両方の接触部12da1、12db1が、共にカードに自らの弾性力によってカード2に弾性接触するものである。
第一弾性接触部12daは、装着孔15に突出し、弾性変形部12c側の端部からほぼ水平に延び、わずかに波打つ湾曲形状を有する接触部12da1と、該接触部12da1から約45度下がって基板3に略平行に臨ませた基板付勢部12da2とから成っている。
第二弾性接触部12dbは、弾性変形部12c側の端部から約15度で立ち上がり、その端部に更に弧を描いて立ち上がる接触部12db1が形成されている。接触部12db1は、装着孔15の約3/5ぐらいの高さに位置する。第二弾性接触部12dbの接触部12db1は、第一弾性接触部12daの接触部12da1より高位にして第一弾性接触部12daより撓み量を多くし、カード装着時に、後述する一端固定・他端支持の梁構造とみなせる第一弾性接触部12daのばね定数が高くなるので、両方の付勢力を同等にしている。
The contact 12 is obtained by punching and bending a metal plate material. The contact 12 is embedded in the housing 10 and fixed thereto, and is bent downward and extended from one end of the fixing portion 12a. The mounting portion 12b connected to the detection circuit 4 by soldering, etc., extends horizontally from the other end of the fixing portion 12a to the same width as the fixing portion 12a, rises gently at about 25 degrees, and the width on the tip side is The elastic deformation portion 12c is expanded about 2.8 times, and a bifurcated elastic contact portion 12d connected to the tip of the elastic deformation portion 12c. The bifurcated elastic contact portion 12d is composed of a first elastic contact portion 12da and a second elastic contact portion 12db, and both the contact portions 12da1 and 12db1 elastically contact the card 2 by their own elastic force. It is.
The first elastic contact portion 12da protrudes into the mounting hole 15, extends substantially horizontally from the end on the elastic deformation portion 12c side, and has a slightly wavy curved shape, and is lowered by about 45 degrees from the contact portion 12da1. It consists of a substrate urging portion 12da2 facing the substrate 3 substantially in parallel.
The second elastic contact portion 12db rises from the end on the elastic deformation portion 12c side at about 15 degrees, and a contact portion 12db1 that rises in an arc is formed at the end. The contact portion 12db1 is located at a height of about 3/5 of the mounting hole 15. The contact portion 12db1 of the second elastic contact portion 12db is higher than the contact portion 12da1 of the first elastic contact portion 12da so as to bend more than the first elastic contact portion 12da. Since the spring constant of the first elastic contact portion 12da that can be regarded as a support beam structure is increased, both biasing forces are made equal.

載置されたカード2は、まず第二弾性接触部12dbの接触部12db1を自らの重みで下方に付勢し、閉じられたシールドカバー14によって更にカードが下方に変位する。この時、下方に変位したカード2の各電極21によって、第一、第二弾性接触部12da、12dbの接触部12da1、12db1がともに対応する電極21によって下方に付勢され、第一、第二弾性接触部12da,12dbが下方に撓み、第一弾性接触部12daの基板付勢部12da2だけが下方に撓んだ分の弾性力で基板3を付勢する。
よって、第一弾性接触部12daと第二弾性接触部12dbの各接触部12da1、12db1が、カード2の各々の電極21を付勢するカード2装着時には、第一弾性接触部12da及び第二弾性接触部12dbの接触部12da1、12db1は、カード2の対応する一つの電極21に接続し、第一弾性接触部12daの基板付勢部12da2は、基板3と接続し、カード2の電極21と実装部12bが接続された基板3の電極がコンタクト12を介して接続される。
また、第一及び第二弾性接触部12dbの接触部12da1、12db1が、カード2の電極21を付勢するカード装着時には、第一弾性接触部12daは、固定部12a側端部がハウジング10に固定されており、第一弾性接触部12daの先端にある基板付勢部12da2は基板3を弾性付勢しているので、一端固定・他端支持の梁の弾性変形構造とみなすことができ、第二弾性接触部12dbは、固定部12a側端部がハウジング10に固定されており、第二弾性接触部12dbの先端は自由端になっているので、一端固定の片持梁の弾性変形構造とみなすことができる。したがって、二又の弾性接触部12dは、第一弾性接触部12daの固有振動数が、第二弾性接触部12dbの固有振動数より約3倍とすることができるので、一定時間の間、振動数がほぼ一定で振幅減衰させる単発の衝撃が加えられても、第一弾性接触部12daと第二弾性接触部12dbの固有振動数が大幅にずれているので、確実にどちらかは共振せずに接触を続け、結果として瞬断を防ぐことができる。
The placed card 2 first biases the contact portion 12db1 of the second elastic contact portion 12db downward with its own weight, and the card is further displaced downward by the closed shield cover 14. At this time, the contact portions 12da1 and 12db1 of the first and second elastic contact portions 12da and 12db are both urged downward by the corresponding electrodes 21 by the respective electrodes 21 of the card 2 displaced downward. The elastic contact portions 12da and 12db bend downward, and only the substrate urging portion 12da2 of the first elastic contact portion 12da urges the substrate 3 with an elastic force.
Therefore, when the card 2 is mounted so that the contact portions 12da1 and 12db1 of the first elastic contact portion 12da and the second elastic contact portion 12db urge the respective electrodes 21 of the card 2, the first elastic contact portion 12da and the second elastic contact portion 12da The contact portions 12da1 and 12db1 of the contact portion 12db are connected to one corresponding electrode 21 of the card 2, and the substrate biasing portion 12da2 of the first elastic contact portion 12da is connected to the substrate 3 and the electrode 21 of the card 2 The electrodes of the substrate 3 to which the mounting portion 12b is connected are connected via the contact 12.
In addition, when the card is mounted so that the contact portions 12da1 and 12db1 of the first and second elastic contact portions 12db urge the electrode 21 of the card 2, the first elastic contact portion 12da has an end on the fixed portion 12a side in the housing 10. Since the substrate urging portion 12da2 at the tip of the first elastic contact portion 12da is elastically urging the substrate 3, it can be regarded as an elastic deformation structure of the beam fixed at one end and supported at the other end. The second elastic contact portion 12db is fixed to the housing 10 at the end portion on the fixed portion 12a side, and the tip of the second elastic contact portion 12db is a free end. Can be considered. Accordingly, the bifurcated elastic contact portion 12d can make the natural frequency of the first elastic contact portion 12da about three times the natural frequency of the second elastic contact portion 12db, and therefore the vibration for a certain time. Even if a single impact is applied that attenuates the amplitude with a substantially constant number, the natural frequencies of the first elastic contact portion 12da and the second elastic contact portion 12db are greatly deviated. As a result, the interruption can be prevented.

尚、本実施例においては、実装部12bを半田付けしているが、実施例3のように、実装部12bを設けず、基板3の電極31に半田付けしなくとも良い。基板3の電極31を第一弾性接触部12daの基板付勢部12da2が臨む位置に設ければ、カード装着の際には、第一弾性接触部12daと第二弾性接触部12dbの接触部12da1、12db1とカード2の電極21とが接続され、第一弾性接触部12daの基板付勢部12da2と基板3の電極31とを接続とが接続されるので、コンタクト12を介してカード2を接続することができる。 In the present embodiment, the mounting portion 12b is soldered. However, unlike the third embodiment, the mounting portion 12b is not provided, and the mounting portion 12b may not be soldered to the electrode 31 of the substrate 3. If the electrode 31 of the substrate 3 is provided at a position where the substrate urging portion 12da2 of the first elastic contact portion 12da faces, the contact portion 12da1 of the first elastic contact portion 12da and the second elastic contact portion 12db when the card is mounted. 12db1 and the electrode 21 of the card 2 are connected, and the board biasing part 12da2 of the first elastic contact part 12da and the electrode 31 of the board 3 are connected, so the card 2 is connected via the contact 12 can do.

本発明の一実施形態である第一実施形態のコネクタのシールドカバー14を閉じた状態の(a)を示す正面図、(b)背面図、(c)底面図、(d)平面図、(e)左側面図と対称である右側面図である。The front view which shows (a) in the state where closed shield cover 14 of the connector of a first embodiment which is one embodiment of the present invention, (b) rear view, (c) bottom view, (d) top view, e) A right side view that is symmetrical to the left side view. 本発明の一実施形態である第一実施形態のコネクタを図1の(a)正面側斜視図、(b)背面側斜視図示す正面図である。It is the front view which shows the connector of 1st Embodiment which is one Embodiment of this invention of FIG. 1 (a) front side perspective view, (b) back side perspective view. 第一実施形態のシールドカバー14を除いたコネクタの(a)正面側斜視図、(b)背面側斜視図である。It is the (a) front side perspective view of the connector except the shield cover 14 of 1st embodiment, (b) The back side perspective view. 第一実施形態に用いたスイッチコンタクト13の(a)正面図、(b)右側面図、(c)底面図、(d)正面側斜視図である。It is (a) front view, (b) right side view, (c) bottom view, and (d) front side perspective view of the switch contact 13 used in the first embodiment. 図1のA-A断面図である。It is AA sectional drawing of FIG. 第一実施形態において相手側接続体2を装着したコネクタの図1のA-A断面図である。FIG. 2 is a cross-sectional view taken along the line AA of FIG. 1 of the connector to which the mating connector 2 is attached in the first embodiment. 第一実施形態における相手側接続体2の(a)正面図、(b)背面図、(c)右側面図、(d)底面図である。It is (a) front view, (b) rear view, (c) right side view, and (d) bottom view of the mating connector 2 in the first embodiment. 第二実施形態において相手側接続体2を装着したコネクタの図1記載のA-A線と同箇所の断面図である。It is sectional drawing of the same location as the AA line of FIG. 1 of the connector with which the other party connection body 2 was mounted | worn in 2nd embodiment. 第三実施形態における相手側接続体2を装着したコネクタの図1記載のA-A線と同箇所の断面図である。It is sectional drawing of the same location as the AA line of FIG. 1 of the connector with which the other party connection body 2 in 3rd embodiment was mounted | worn. 第三実施形態に用いたスイッチコンタクト13の(a)正面図、(b)右側面図、(c)底面図、(d)正面側斜視図である。(A) Front view, (b) Right side view, (c) Bottom view, (d) Front side perspective view of switch contact 13 used in the third embodiment. 本発明の第五実施形態のシールドカバー14を除いたコネクタの(a)正面図である。(b)は、第四実施形態におけるコンタクト12の正面図で、(c)は、同実施形態コンタクト12の右側面図である。It is (a) front view of the connector except the shield cover 14 of 5th embodiment of this invention. (B) is a front view of the contact 12 in the fourth embodiment, and (c) is a right side view of the contact 12 in the same embodiment.

1 コネクタ
10 ハウジング
10a 被係止部
11 プレート
11a 固定部
11b 軸受部
12 コンタクト
12a 固定部
12b 実装部
12c 弾性変形部
12d 二又弾性接触部
12da 第1弾性接触部
12da1 接触部
12da2 基板付勢部
12db 第2弾性接触部
12db1 接触部
13 スイッチコンタクト
13a 固定部
13b 実装部
13c 弾性変形部
13d 二又弾性接触部
13da 第1弾性接触部
13da1 接触部
13da2 基板付勢部
13db 第2弾性接触部
13db1 接触部
13dc 第3弾性接触部
13dc1 接触部
13dc2 基板付勢部
13e 三又弾性接触部
14 シールドカバー
14a 軸
14b 係止部
14c 端部
15 装着孔
2 カード型電子記憶媒体
21 電極
22 スイッチ用電極(第二電極)
3 基板
31 電極
4 カード検出回路
41 第一電極
42 第二電極
DESCRIPTION OF SYMBOLS 1 Connector 10 Housing 10a Locked part 11 Plate 11a Fixing part 11b Bearing part 12 Contact 12a Fixing part 12b Mounting part 12c Elastic deformation part 12d Bifurcated elastic contact part 12da 1st elastic contact part
12da1 contact part
12da2 substrate biasing part 12db second elastic contact part
12db1 contact portion 13 switch contact 13a fixing portion 13b mounting portion 13c elastic deformation portion 13d two-forked elastic contact portion 13da first elastic contact portion
13da1 contact part
13da2 substrate biasing part 13db second elastic contact part
13db1 contact portion 13dc third elastic contact portion
13dc1 contact part
13dc2 Substrate urging portion 13e Trifurcated elastic contact portion 14 Shield cover 14a Shaft 14b Locking portion 14c End portion 15 Mounting hole 2 Card type electronic storage medium 21 Electrode 22 Switch electrode (second electrode)
3 Substrate 31 Electrode 4 Card detection circuit 41 First electrode 42 Second electrode

Claims (3)

相手側接続体(2)を装着する装着孔(15)を包含するハウジング(10)と、
相手側接続体(2)の電極(21,22)に自らの弾性力によって接続する金属導体のコンタクト(12,13)からなる、基板(3)に実装されるコネクタ(1)であって、
コンタクト(12,13)は、ハウジング(10)に保持される固定部(12a,13a)と、固定部(12a,13a)に連なる少なくとも二つに分岐した第一弾性接触部(12da,13da)と第二弾性接触部(12db,13db)を有し、
第一弾性接触部(12da,13da)は、相手側接続体(2)の電極(21,22)に接続する接触部(12da1,13da1)と、先端が基板(3)に臨んだ基板付勢部(12da2,13da2)とからなり、
第二弾性接触部(12db,13db)は、相手側接続体(2)の電極(21,22)接続する接触部(12db1,13db1)とからなり、
相手側接続体(2)を装着した時に、
第一弾性接触部(12da,13da)は、変位によって基板付勢部(12da2,13da2)が基板(3)を付勢する一端固定・他端支持の梁構造とし、
第二弾性接触部(12db,13db)は、変位しても先端が自由端の一端固定・他端自由端の梁構造とすることで、
第一弾性接触部(12da,13da)の固有振動数を、第二弾性接触部(12db,13db)の固有振動数と異ならせたことを特徴とするコネクタ。
A housing (10) including a mounting hole (15) for mounting the mating connector (2);
A connector (1) mounted on a substrate (3), comprising metal conductor contacts (12, 13) connected to the electrodes (21, 22) of the mating connector (2) by its own elastic force,
The contacts (12, 13) include a fixed part (12a, 13a) held by the housing (10) and a first elastic contact part (12da, 13da) branched into at least two parts connected to the fixed part (12a, 13a ). And a second elastic contact portion (12db, 13db) ,
The first elastic contact portions (12da, 13da) are contact portions (12da1, 13da1) connected to the electrodes (21, 22) of the mating connector (2), and a substrate bias with the tip facing the substrate (3). Part (12da2, 13da2),
The second elastic contact portion (12db, 13db) consists of contact portions (12db1, 13db1) connected to the electrodes (21, 22) of the mating connector (2) ,
When the mating connector (2) is installed,
The first elastic contact portion (12da, 13da) has a beam structure of one end fixed and other end support in which the substrate urging portion (12da2, 13da2) urges the substrate (3) by displacement,
Even if the second elastic contact portion (12db, 13db) is displaced, the tip has a beam structure with one end fixed at the free end and the other end free end,
A connector characterized in that the natural frequency of the first elastic contact portion (12da, 13da) is different from the natural frequency of the second elastic contact portion (12db, 13db) .
コンタクト(13)は第三弾性接触部(13dc)を有し、
第一弾性接触部(13da)と第二弾性接触部(13db)と第三弾性接触部(13dc)は、コンタクト(13)の中心線に対して対称形状になることを特徴とする請求項1記載のコネクタ。
The contact (13) has a third elastic contact (13dc),
The first elastic contact portion (13da), the second elastic contact portion (13db), and the third elastic contact portion (13dc) are symmetrical with respect to the center line of the contact (13). The connector described.
コンタクト(12,13)は、固定部(12a,13a)に連設された実装部(12b,13b)を有し、The contacts (12, 13) have mounting parts (12b, 13b) connected to the fixed parts (12a, 13a).
基板(3)は、実装部(12b,13b)に接続される第一電極(41)と、基板付勢部(12da2,13da2)が接続する第二電極(42)を有し、The substrate (3) has a first electrode (41) connected to the mounting portions (12b, 13b) and a second electrode (42) connected to the substrate urging portions (12da2, 13da2),
コンタクト(12,13)を介して相手側接続体(2)の電極(21,22)と第一電極(41)が接続され、The electrodes (21, 22) and the first electrode (41) of the counterpart connector (2) are connected via the contacts (12, 13),
第一弾性接触部(12da,13da)を介して相手側接続体(2)の電極(21,22)と第二電極(42)が接続されて、The electrodes (21, 22) and the second electrode (42) of the mating connector (2) are connected via the first elastic contact portions (12da, 13da),
第一電極(41)と第二電極(42)の回路が閉じることで相手側接続体(2)の装着を検出することを特徴とする請求項1、2記載のコネクタ。3. The connector according to claim 1, wherein the connection of the mating connector (2) is detected by closing the circuit of the first electrode (41) and the second electrode (42).
JP2009212343A 2009-09-14 2009-09-14 connector Expired - Fee Related JP5488876B2 (en)

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JP3507434B2 (en) * 2000-07-21 2004-03-15 山一電機株式会社 Card connector and elastic contact piece
JP4794905B2 (en) * 2005-05-17 2011-10-19 Smk株式会社 IC card connector terminal mounting method
JP2007311116A (en) * 2006-05-17 2007-11-29 Alps Electric Co Ltd Connecting device for card, and adapter for card equipped with the connecting device for card
JP5098580B2 (en) * 2007-08-31 2012-12-12 ミツミ電機株式会社 Memory card connector and memory card connector manufacturing method

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WO2015194845A1 (en) * 2013-06-17 2015-12-23 몰렉스 엘엘씨 Access terminal for card socket
US9865955B2 (en) 2013-06-17 2018-01-09 Molex, Llc Access terminal for card socket

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