JP6346800B2 - Conductive elastic member and connector - Google Patents

Conductive elastic member and connector Download PDF

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JP6346800B2
JP6346800B2 JP2014125682A JP2014125682A JP6346800B2 JP 6346800 B2 JP6346800 B2 JP 6346800B2 JP 2014125682 A JP2014125682 A JP 2014125682A JP 2014125682 A JP2014125682 A JP 2014125682A JP 6346800 B2 JP6346800 B2 JP 6346800B2
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conductive elastic
elastic member
columnar member
housing
columnar
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JP2016004718A (en
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昌伸 東谷
昌伸 東谷
真之 片岡
真之 片岡
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Yazaki Corp
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Description

本発明は、導電性弾性部材及びこれを用いたコネクタに関する。   The present invention relates to a conductive elastic member and a connector using the same.

従来、２つの電気機器の端子間を電気的に接続するコネクタとして、導電性弾性部材（例えば、導電性ゴム）を介して２つの端子間を電気的に接続する技術が知られている。特許文献１には、電気自動車等に搭載されるモータとインバータとの端子間の接続に、導電性と弾性とを有した導電性弾性部材を用いるコネクタが開示されている。   2. Description of the Related Art Conventionally, as a connector for electrically connecting terminals of two electric devices, a technique for electrically connecting two terminals via a conductive elastic member (for example, conductive rubber) is known. Patent Document 1 discloses a connector that uses a conductive elastic member having conductivity and elasticity for connection between terminals of a motor and an inverter mounted on an electric vehicle or the like.

特許文献１のコネクタは、モータ側の端子を保持するハウジングと、インバータ側の端子を保持するハウジングと、柱状の導電性弾性部材とを備えており、モータ側のハウジングには、モータ側の端子の上に導電性弾性部材が載置される格好で収容される。モータ側の端子とインバータ側の端子は、２つのハウジングが嵌合されたときに導電性弾性部材を上下方向から押圧し、圧縮変形させた状態で接続される。導電性弾性部材は、圧縮変形することで、嵌合時における両端子の位置や傾き等の公差ばらつきを吸収し、両端子との接続を確実なものとする。   The connector of Patent Document 1 includes a housing for holding a motor-side terminal, a housing for holding an inverter-side terminal, and a columnar conductive elastic member. The motor-side housing includes a motor-side terminal. The conductive elastic member is placed on top of the container. The terminal on the motor side and the terminal on the inverter side are connected in a state where the conductive elastic member is pressed from above and below and compressed and deformed when the two housings are fitted. The conductive elastic member compresses and deforms, thereby absorbing tolerance variations such as the position and inclination of both terminals at the time of fitting, and ensuring the connection with both terminals.

特開２０１２−９４２６３号公報JP 2012-94263 A

ところで、端子の位置や傾き等の公差ばらつきを導電性弾性部材で吸収するためには、導電性弾性部材の厚み、つまり、両端子による押圧方向（以下、軸方向という。）の厚みを公差ばらつきが吸収可能な所定の厚みに設定する必要がある。しかし、導電性弾性部材の軸方向の厚みを大きくすると、以下のような不具合の発生が考えられる。   By the way, in order to absorb the tolerance variation such as the position and inclination of the terminal by the conductive elastic member, the thickness of the conductive elastic member, that is, the thickness in the pressing direction (hereinafter referred to as the axial direction) by both terminals is varied. Needs to be set to a predetermined thickness that can be absorbed. However, when the thickness of the conductive elastic member in the axial direction is increased, the following problems may occur.

図６は、ハウジング６１に収容された導電性弾性部材６２の軸方向（Ｙ）の両端面がそれぞれ端子等の導体６３，６４に押圧される様子を示す。導体６３，６４は、導電性弾性部材６２と当接する当接面がＬ字状に屈曲させて形成される。導電性弾性部材６２は、導体６３の上に載置され、上端面が導体６４に押圧される。このようにして導体６４に押圧された導電性弾性部材６２は、軸方向に圧縮変形する。   FIG. 6 shows a state in which both end surfaces in the axial direction (Y) of the conductive elastic member 62 accommodated in the housing 61 are pressed against the conductors 63 and 64 such as terminals. The conductors 63 and 64 are formed by bending a contact surface that contacts the conductive elastic member 62 into an L shape. The conductive elastic member 62 is placed on the conductor 63 and the upper end surface is pressed against the conductor 64. The conductive elastic member 62 pressed by the conductor 64 in this way is compressed and deformed in the axial direction.

ところで、この種の導電性弾性部材６２は、例えば、導体６４の傾きに公差ばらつきが生じる等、種々の原因により、軸方向と異なる方向から押圧されることがある。   By the way, this type of conductive elastic member 62 may be pressed from a direction different from the axial direction due to various causes such as a variation in tolerance in the inclination of the conductor 64.

例えば、図７に示すように、軸方向と異なる方向から導体６４に押圧された導電性弾性部材６２は、ハウジング６１の内部で軸方向Ｙと交差する方向（図の横方向）に湾曲（以下、座屈ともいう。）することがある。このように導電性弾性部材６２が座屈すると、例えば、導体６４と導電性弾性部材６２との間に隙間６５が生じてしまい、通電信頼性が損なわれるおそれがある。   For example, as shown in FIG. 7, the conductive elastic member 62 pressed against the conductor 64 from a direction different from the axial direction is curved in a direction (lateral direction in the figure) intersecting the axial direction Y inside the housing 61 (hereinafter, the figure). , Also called buckling.) When the conductive elastic member 62 buckles in this way, for example, a gap 65 is generated between the conductor 64 and the conductive elastic member 62, and there is a concern that the energization reliability may be impaired.

本発明は、このような問題に鑑みてなされたものであり、導電性弾性部材の座屈を抑制して、導体と導電性弾性部材とを均一に接触させることを課題とする。 This invention is made | formed in view of such a problem, and makes it a subject to suppress a buckling of a conductive elastic member and to make a conductor and a conductive elastic member contact uniformly.

上記課題を解決するため、本発明の導電性弾性部材は、導電性と弾力性とを有する柱状部材と、この柱状部材の側面に突出させて形成された張り出し部とを有し、柱状部材の両端面を２つの導体間に挟んで筒状の収容部に同軸に保持されてなるものとする。 To solve the above problem, the conductive elastic member of the present invention, a columnar member having conductivity and the elasticity, and a protruding portion formed to protrude on the side surface of the columnar member possess columnar member and it made held coaxially in the cylindrical housing portion sandwiched between the two conductors of both end faces of the.

これによれば、例えば、ハウジングに収容された導電性弾性部材の軸方向の両端面を導体で押圧した場合、導電性弾性部材の柱状部材とハウジングの内壁との隙間に張り出し部が介在されるから、導電性弾性部材の湾曲（座屈）を抑制することができる。これにより、導電性弾性部材は、導体の傾き等の公差ばらつきを吸収することが可能となり、導体を均一に接触させることが可能になる。   According to this, for example, when both end surfaces in the axial direction of the conductive elastic member accommodated in the housing are pressed by the conductor, the protruding portion is interposed in the gap between the columnar member of the conductive elastic member and the inner wall of the housing. Therefore, the bending (buckling) of the conductive elastic member can be suppressed. Thereby, the conductive elastic member can absorb tolerance variations such as the inclination of the conductor, and the conductor can be uniformly contacted.

この場合、張り出し部は、柱状部材の側面の全周に設けられていることが好ましい。これにより、柱状部材は、すべての方向で湾曲を抑制することができる。   In this case, it is preferable that the overhang portion is provided on the entire circumference of the side surface of the columnar member. Thereby, a columnar member can suppress curvature in all directions.

また、張り出し部よりも一方の端面側の側面の軸周りの方向に溝が形成されているものとすることができる。これによれば、導電性弾性部材は、一方の端面が軸方向と傾斜する方向から導体に押し付けられたときに、柱状部材が溝を起点として容易に屈曲されるから、一方の端面を導体とより均一に接触させることができる。   Moreover, the groove | channel shall be formed in the direction around the axis | shaft of the side surface of one end surface side from an overhang | projection part. According to this, when the conductive elastic member is pressed against the conductor from the direction in which one end surface is inclined with respect to the axial direction, the columnar member is easily bent starting from the groove. More uniform contact can be achieved.

また、溝は、張り出し部と隣接させて形成されているものとすることができる。これによれば、溝底の深さは、実質的に張り出し部の頂点を基準とした深さに相当するものとなる。したがって、溝を張り出し部と離れた位置に設けるよりも、溝の深さが大きくなるから、溝の効果を高めることができる。   The groove may be formed adjacent to the overhanging portion. According to this, the depth of the groove bottom substantially corresponds to the depth based on the apex of the protruding portion. Therefore, since the depth of the groove is larger than that provided at a position away from the projecting portion, the effect of the groove can be enhanced.

また、柱状部材は、張り出し部よりも一方の端面側の部材が、張り出し部よりも硬度の低い材料で形成されているものとすることができる。これによれば、導電性弾性部材は、硬度が比較的高い張り出し部で姿勢を保持しながら、一方の端面側に柔軟性をもたせ、導体の傾き等の公差ばらつきを吸収することができる。   In addition, the columnar member may be formed such that a member on one end face side of the overhanging portion is made of a material having a hardness lower than that of the overhanging portion. According to this, the conductive elastic member can be flexible at one end face side while maintaining the posture at the overhanging portion having a relatively high hardness, and can absorb tolerance variations such as the inclination of the conductor.

また、溝は、柱状部材に設ける代わりに、張り出し部に設けることもできる。この場合、張り出し部は、柱状部材との連結部又は該連結部から離れた位置の柱状部材の軸周りの方向に形成されているものとすることができる。   Moreover, a groove | channel can also be provided in an overhang | projection part instead of providing in a columnar member. In this case, the overhanging portion may be formed in a direction around the axis of the columnar member at a position connected to the columnar member or away from the connection portion.

また、これらの溝は、断面半円形に形成されているものとすることができる。これによれば、柱状部材は、溝を介して３次元方向に屈曲し易くなるから、導体をより均一に接触させることができる。   Further, these grooves can be formed in a semicircular cross section. According to this, since the columnar member is easily bent in the three-dimensional direction via the groove, the conductor can be contacted more uniformly.

また、本発明のコネクタは、一方の導体を保持する第１ハウジングと、他方の導体を保持する第２ハウジングと、これらのハウジングのいずれか一方に収容される導電性弾性部材とを備え、第１ハウジングと第２ハウジングとの嵌合時に、一方の導体と他方の導体とがそれぞれ導電性弾性部材と当接されることにより導電性弾性部材を介して接続可能に形成され、導電性弾性部材に、上記のいずれかの導電性弾性部材を用いることを特徴とする。   The connector of the present invention includes a first housing that holds one conductor, a second housing that holds the other conductor, and a conductive elastic member that is housed in one of these housings. When one housing and the second housing are fitted, one conductor and the other conductor are respectively brought into contact with the conductive elastic member so as to be connectable via the conductive elastic member. Further, any one of the conductive elastic members described above is used.

本発明によれば、導体と導電性弾性部材とを均一に接触させることができる。   According to the present invention, the conductor and the conductive elastic member can be brought into uniform contact.

本発明の導電性弾性部材が適用されるコネクタの断面図である。It is sectional drawing of the connector to which the electroconductive elastic member of this invention is applied. 本発明の導電性弾性部材の外観斜視図である。It is an external appearance perspective view of the electroconductive elastic member of this invention. 本発明の導電性弾性部材の動作を説明する要部拡大図である。It is a principal part enlarged view explaining operation | movement of the electroconductive elastic member of this invention. 導電性弾性部材の他の実施例の外観斜視図である。It is an external appearance perspective view of the other Example of a conductive elastic member. 導電性弾性部材の他の実施例の外観斜視図である。It is an external appearance perspective view of the other Example of a conductive elastic member. 従来の導電性弾性部材の動作を説明する要部拡大図である。It is a principal part enlarged view explaining operation | movement of the conventional electroconductive elastic member. 従来の導電性弾性部材の動作を説明する要部拡大図である。It is a principal part enlarged view explaining operation | movement of the conventional electroconductive elastic member.

以下、本発明が適用されるコネクタの一実施形態について図面を参照して説明する。本実施形態のコネクタは、電気自動車やハイブリッドカー等に搭載されるモータの端子と、モータに電力や制御信号等を出力するインバータの端子とを電気的に接続するための接続用機器に適用されるものであるが、本発明のコネクタは、これに限らず、種々の電気機器の端子間を接続する種々の接続用機器に適用することができる。   Hereinafter, an embodiment of a connector to which the present invention is applied will be described with reference to the drawings. The connector of this embodiment is applied to a connection device for electrically connecting a terminal of a motor mounted on an electric vehicle, a hybrid car, or the like to a terminal of an inverter that outputs electric power, a control signal, or the like to the motor. However, the connector of the present invention is not limited to this, and can be applied to various connection devices that connect terminals of various electric devices.

図１に示すように、本実施形態のコネクタ１１は、モータを収容する筐体１２の上壁１３に固定された第１コネクタ１４と、第１コネクタ１４に保持された第１端子１５（一方の導体）と、インバータを収容する筐体１６の下壁１７に固定された第２コネクタ１８と、第２コネクタ１８に保持された第２端子１９（他方の導体）と、第１コネクタ１４に収容された導電性を有する導電性弾性部材２０とを備える。導電性弾性部材２０は、第１コネクタ１４と第２コネクタ１８との嵌合時に、第１端子１５と第２端子１９にそれぞれ押圧され、圧縮変形した状態で、第１端子１５と第２端子１９とを電気的に接続する。以下では、モータ側を下方、インバータ側を上方、導電性弾性部材２０の軸方向を上下方向として説明する。しかし、これらの配置関係は、上下方向に限らず、横方向に配置してもよい。   As shown in FIG. 1, the connector 11 of this embodiment includes a first connector 14 fixed to an upper wall 13 of a housing 12 that houses a motor, and a first terminal 15 (one side) held by the first connector 14. The second connector 18 fixed to the lower wall 17 of the housing 16 housing the inverter, the second terminal 19 (the other conductor) held by the second connector 18, and the first connector 14. And a conductive elastic member 20 having conductivity stored therein. The conductive elastic member 20 is pressed against the first terminal 15 and the second terminal 19 when the first connector 14 and the second connector 18 are fitted, and is compressed and deformed, and then the first terminal 15 and the second terminal. 19 is electrically connected. In the following description, the motor side is described as the lower side, the inverter side as the upper side, and the axial direction of the conductive elastic member 20 as the vertical direction. However, these arrangement relationships are not limited to the vertical direction, and may be arranged in the horizontal direction.

第１コネクタ１４は、絶縁樹脂製の第１ハウジング２１と、第１ハウジング２１内に支持されたＬ字状の第１端子１５と、第１ハウジング２１内に収容された導電性弾性部材２０とを備える。第１ハウジング２１は、軸方向に延びる角筒状の筒状部２２と、筒状部２２の外周面から周方向に突出するフランジ部２３と、フランジ部２３を取り囲むようにフランジ部２３の上面の周溝内に装着された環状の防水パッキン２４とを備える。なお、第１端子１５と導電性弾性部材２０は、それぞれ、第１コネクタ１４に複数（例えば３個）保持されており、第２コネクタ１８には、同数の第２端子１９が保持されているが、本実施形態では、説明を簡単にするために、これらをそれぞれ１個ずつ保持する例を説明する。   The first connector 14 includes an insulating resin first housing 21, an L-shaped first terminal 15 supported in the first housing 21, and a conductive elastic member 20 accommodated in the first housing 21. Is provided. The first housing 21 includes a rectangular tubular portion 22 extending in the axial direction, a flange portion 23 protruding in the circumferential direction from the outer peripheral surface of the tubular portion 22, and an upper surface of the flange portion 23 so as to surround the flange portion 23. And an annular waterproof packing 24 mounted in the circumferential groove. Note that a plurality of (for example, three) first terminals 15 and conductive elastic members 20 are held by the first connector 14, and the same number of second terminals 19 are held by the second connector 18. However, in this embodiment, in order to simplify the description, an example will be described in which each one is held.

第１ハウジング２１は、図には表れていないが、左右に延びるブラケットにボルト挿通孔が形成されており、筒状部２２が筐体１２の上壁１３の開口２５に挿入され、フランジ部２３の下面が上壁１３と当接する格好で、ボルト挿通孔に挿通されたボルトが上壁１３に締結固定されている。開口２５の内周面と筒状部２２の外周面との隙間等には、図示しない防水構造が形成される。   Although the first housing 21 is not shown in the drawing, a bolt insertion hole is formed in a bracket extending in the left and right directions, the cylindrical portion 22 is inserted into the opening 25 of the upper wall 13 of the housing 12, and the flange portion 23. The lower surface of the bolt is in contact with the upper wall 13, and the bolt inserted through the bolt insertion hole is fastened and fixed to the upper wall 13. A waterproof structure (not shown) is formed in a gap between the inner peripheral surface of the opening 25 and the outer peripheral surface of the cylindrical portion 22.

第１端子１５は、第１コネクタ１４の筒状部２２に形成された収容部２６に一端側が収容される。収容部２６は、筒状部２２の上端の開口２７の奥（下側）に形成された直方体状の空間である。第１端子１５は、Ｌ字状に屈曲された接触部２８が収容部２６の奥に面する底部２９に当接された状態で支持される。接触部２８と直交して連なる直線状の基端部３０は、底部２９の貫通穴を通って垂下され、筒状部２２から引き出されるようになっている。なお、接触部２８は、屈曲形成された形状に限られるものではない。   One end side of the first terminal 15 is accommodated in the accommodating portion 26 formed in the cylindrical portion 22 of the first connector 14. The accommodating portion 26 is a rectangular parallelepiped space formed at the back (lower side) of the opening 27 at the upper end of the cylindrical portion 22. The first terminal 15 is supported in a state in which the contact portion 28 bent in an L shape is in contact with the bottom portion 29 facing the back of the housing portion 26. The linear base end portion 30 that is orthogonal to the contact portion 28 hangs down through the through hole of the bottom portion 29 and is drawn out from the cylindrical portion 22. The contact portion 28 is not limited to a bent shape.

導電性弾性部材２０は、弾力性を有する材料を基材とし、導電性を有する粉末や線材（例えば、金属製ワイヤー）或いは金属箔等が基材中に含まれる。例えば、線材を有する導電性弾性部材の場合、線材を基材で包み込むインサート成形と該成形品の２次加工等によって製造することができる。導電性弾性部材２０は、基材に起因する弾力性と、粉末や線材等に起因する導電性とを有して異方性導電ゴム構造をなしている。基材には、熱可塑性や熱硬化性の合成ゴム、合成樹脂が使用され、具体的には、熱可塑性や熱硬化性のエラストマー等を用いることができるが、弾力性を有する材料であれば、特に限定されるものではない。以下では、熱可塑性の合成ゴムに複数の線材をインサート成形して得られる導電性弾性部材２０を例に説明する。   The conductive elastic member 20 uses a material having elasticity as a base material, and the base material includes conductive powder, wire (for example, metal wire), metal foil, or the like. For example, in the case of a conductive elastic member having a wire, it can be manufactured by insert molding for wrapping the wire with a base material, secondary processing of the molded product, or the like. The conductive elastic member 20 has an elastic conductive rubber structure having elasticity due to the base material and conductivity due to powder, wire, and the like. As the base material, thermoplastic or thermosetting synthetic rubber or synthetic resin is used. Specifically, thermoplastic or thermosetting elastomers can be used, but any material having elasticity can be used. There is no particular limitation. Below, the electroconductive elastic member 20 obtained by insert-molding a some wire to thermoplastic synthetic rubber is demonstrated to an example.

図２に示すように、導電性弾性部材２０は、円柱状に形成され、各線材が導電性弾性部材２０の軸方向の一方の端面から他方の端面に延在して、両端面からそれぞれ露出され、両端面に電気的な無数の接点Ｐからなる接点領域Ｌを形成する。接点領域Ｌは、両端面の軸を中心にそれぞれ略正方形をなして形成される。この導電性弾性部材２０は、第１端子１５の接触部２８が下端面と接触し、この接触部２８に載置される格好で、収容部２６に収容される。なお、導電性弾性部材２０の外形形状については、後述する。   As shown in FIG. 2, the conductive elastic member 20 is formed in a columnar shape, and each wire extends from one end surface in the axial direction of the conductive elastic member 20 to the other end surface, and is exposed from both end surfaces. Then, contact areas L composed of an infinite number of electrical contacts P are formed on both end faces. The contact region L is formed in a substantially square shape with the axes of both end faces as the center. The conductive elastic member 20 is accommodated in the accommodating portion 26 so that the contact portion 28 of the first terminal 15 comes into contact with the lower end surface and is placed on the contact portion 28. The outer shape of the conductive elastic member 20 will be described later.

図１に戻り、第２コネクタ１８は、絶縁樹脂製の第２ハウジング３１と、第２ハウジング３１内に支持されたＬ字状の第２端子１９とを備える。第２ハウジング３１は、軸方向に延びる角筒状の筒状部３２と、筒状部３２の外周面から周方向に突出するフランジ部３３とを備える。筒状部３２は、下端の開口３４の奥（上方）に形成される直方体状の空間に第１コネクタ１４の筒状部２２が嵌入可能になっている。   Returning to FIG. 1, the second connector 18 includes a second housing 31 made of insulating resin, and an L-shaped second terminal 19 supported in the second housing 31. The second housing 31 includes a rectangular tubular portion 32 that extends in the axial direction, and a flange portion 33 that protrudes in the circumferential direction from the outer peripheral surface of the tubular portion 32. The cylindrical portion 32 is configured such that the cylindrical portion 22 of the first connector 14 can be fitted into a rectangular parallelepiped space formed at the back (upper side) of the opening 34 at the lower end.

第２ハウジング３１は、左右に延びるブラケットにボルト挿通孔が形成されており、筒状部３２が筐体１６の下壁１７の開口３５に挿入され、フランジ部３３の上面が下壁１７と当接する格好で、ボルト挿通孔に挿通されたボルトが下壁１７に締結固定されている。開口３５の内周面と筒状部３２の外周面との隙間等には、図示しない防水構造が形成される。   In the second housing 31, bolt insertion holes are formed in brackets extending left and right, the cylindrical portion 32 is inserted into the opening 35 of the lower wall 17 of the housing 16, and the upper surface of the flange portion 33 is in contact with the lower wall 17. The bolt inserted into the bolt insertion hole is fastened and fixed to the lower wall 17 so as to come into contact. A waterproof structure (not shown) is formed in a gap between the inner peripheral surface of the opening 35 and the outer peripheral surface of the cylindrical portion 32.

第２端子１９は、Ｌ字状に屈曲された接触部３６が、筒状部３２に形成された直方体状の空間の奥に面する底部３７に当接された状態で、該底部３７に沿うように略水平方向に延びて支持される。接触部３６と直交して連なる基端部３８は、底部３７の貫通穴を通って筒状部３２から引き出されるようになっている。第２端子１９は、後述するように、第１コネクタ１４と第２コネクタ１８との嵌合時に導電性弾性部材２０と当接可能な位置に設けられる。なお、接触部３６は、屈曲形成された形状に限られるものではない。   The second terminal 19 extends along the bottom portion 37 in a state where the contact portion 36 bent in an L shape is in contact with a bottom portion 37 facing the back of a rectangular parallelepiped space formed in the cylindrical portion 32. So as to extend in a substantially horizontal direction. A proximal end portion 38 that is orthogonal to the contact portion 36 is drawn from the tubular portion 32 through a through hole in the bottom portion 37. As will be described later, the second terminal 19 is provided at a position where it can come into contact with the conductive elastic member 20 when the first connector 14 and the second connector 18 are fitted together. The contact portion 36 is not limited to a bent shape.

第１コネクタ１４と第２コネクタ１８とが正規の嵌合状態（以下、単に、嵌合状態という。）になると、第２コネクタ１８の筒状部３２に第１コネクタ１４の筒状部２２が嵌入されるとともに、筒状部３２が防水パッキン２４を介して第１コネクタ１４のフランジ部２３の上に載置される。第１コネクタ１４と第２コネクタ１８との間は、防水パッキン２４でシールされる。   When the first connector 14 and the second connector 18 are in a proper fitting state (hereinafter simply referred to as a fitting state), the cylindrical portion 22 of the first connector 14 is connected to the cylindrical portion 32 of the second connector 18. The tubular portion 32 is placed on the flange portion 23 of the first connector 14 via the waterproof packing 24 while being inserted. A space between the first connector 14 and the second connector 18 is sealed with a waterproof packing 24.

図３に、コネクタ１１の要部となる第１コネクタ１４の内部構造を示す。この図３では、図面の複雑化を避けるため、第２端子１９の接触部３６と当接する筒状部３２の底部３７を省略している。コネクタ１１は、嵌合状態になると、第２端子１９が導電性弾性部材２０を押圧可能な位置まで移動する。その結果、導電性弾性部材２０は、上端面の接点領域Ｌが第２端子１９によって下向きに押圧される一方、下端面の接点領域Ｌが第１端子１５によって上向きに押圧され、第１端子１５と第２端子１９との間に挟持される格好で弾性変形する。   FIG. 3 shows an internal structure of the first connector 14 that is a main part of the connector 11. In FIG. 3, the bottom portion 37 of the cylindrical portion 32 that comes into contact with the contact portion 36 of the second terminal 19 is omitted in order to avoid complication of the drawing. When the connector 11 is in the fitted state, the second terminal 19 moves to a position where the conductive elastic member 20 can be pressed. As a result, in the conductive elastic member 20, the contact region L on the upper end surface is pressed downward by the second terminal 19, while the contact region L on the lower end surface is pressed upward by the first terminal 15. And the second terminal 19 is elastically deformed so as to be sandwiched between them.

本実施形態では、コネクタ１１の嵌合状態において、インバータを収容する筐体１６の荷重の一部が第２端子１９を介して導電性弾性部材２０に作用する。すなわち、第２端子１９は、接触部３６と当接する筒状部３２の底部３７から荷重を受けて押し付けられる格好で導電性弾性部材２０を押圧する。このため、第２端子１９に押圧された導電性弾性部材２０は、圧縮方向を中心に、第２端子１９に押圧された所定の方向に弾性変形し、第１端子１５及び第２端子１９の位置や傾き等の公差ばらつきが導電性弾性部材２０によって吸収される。その結果、導電性弾性部材２０は、第１端子１５の接触部２８及び第２端子１９の接触部３６と両端面とが均一に接するようになるから、導電性弾性部材２０と第１端子１５及び第２端子１９との導通信頼性を高めることができる。   In the present embodiment, in the fitting state of the connector 11, a part of the load of the housing 16 that accommodates the inverter acts on the conductive elastic member 20 via the second terminal 19. That is, the second terminal 19 presses the conductive elastic member 20 in such a manner that the second terminal 19 receives a load from the bottom portion 37 of the cylindrical portion 32 that contacts the contact portion 36 and is pressed. For this reason, the conductive elastic member 20 pressed by the second terminal 19 is elastically deformed in a predetermined direction pressed by the second terminal 19 around the compression direction, and the first terminal 15 and the second terminal 19 Tolerance variations such as position and tilt are absorbed by the conductive elastic member 20. As a result, the conductive elastic member 20 comes into contact with the contact portion 28 of the first terminal 15 and the contact portion 36 of the second terminal 19 and both end surfaces uniformly, so that the conductive elastic member 20 and the first terminal 15 are in contact with each other. In addition, the reliability of conduction with the second terminal 19 can be improved.

また、例えば、嵌合時において、コネクタ１１が振動する場合でも、圧縮された導電性弾性部材２０が振動を吸収することにより、導電性弾性部材２０と各端子１５，１９との接触状態が安定に保持される。   Further, for example, even when the connector 11 vibrates during fitting, the contact state between the conductive elastic member 20 and each of the terminals 15 and 19 is stable because the compressed conductive elastic member 20 absorbs vibration. Retained.

次に、本実施形態の特徴構成となる導電性弾性部材２０の形状構造について実施例に分けて説明する。   Next, the shape structure of the conductive elastic member 20 which is a characteristic configuration of the present embodiment will be described separately in examples.

図２に示すように、本実施例の導電性弾性部材２０は、軸方向を長手とする円柱状の柱状部材４０と、柱状部材４０の側面から径方向（水平方向）に突出する張り出し部４１とを有している。なお、本実施例の導電性弾性部材２０は、柱状部材４０と張り出し部４１とが熱可塑性の合成ゴムにより一体形成され、柱状部材４０には、上述した複数の線材が略長手方向に沿って埋め込まれている。   As shown in FIG. 2, the conductive elastic member 20 according to the present embodiment includes a columnar member 40 having a longitudinal axis and a projecting portion 41 projecting in a radial direction (horizontal direction) from the side surface of the columnar member 40. And have. In the conductive elastic member 20 of this embodiment, the columnar member 40 and the overhanging portion 41 are integrally formed of a thermoplastic synthetic rubber, and the plurality of wires described above are formed in the columnar member 40 along the substantially longitudinal direction. Embedded.

柱状部材４０は、上述した第１端子１５（一方の導体）が当接される下端面４２と第２端子１９（他方の導体）が当接される上端面４３とが互いに略平行な平面状に形成される。下端面４２と上端面４３には、それぞれ多数の接点Ｐからなる接点領域Ｌが形成され、下端面４２と上端面４３との間で導通性が確保されている。以下では、適宜、柱状部材４０の張り出し部４１よりも上端面４３側を柱状部材４０ａ、張り出し部４１よりも下端面４３側を柱状部材４０ｂとして説明する。   The columnar member 40 has a planar shape in which the lower end surface 42 with which the first terminal 15 (one conductor) is in contact and the upper end surface 43 with which the second terminal 19 (the other conductor) is in contact are substantially parallel to each other. Formed. The lower end surface 42 and the upper end surface 43 are each formed with a contact region L composed of a large number of contacts P, and electrical conductivity is ensured between the lower end surface 42 and the upper end surface 43. Hereinafter, the upper end surface 43 side of the projecting portion 41 of the columnar member 40 will be described as the columnar member 40a, and the lower end surface 43 side of the projecting portion 41 will be appropriately described as the columnar member 40b.

張り出し部４１は、上端面４３から軸方向に離れた位置（本実施形態では、上端面４３と下端面４２の両方から離れた位置）に設けられ、柱状部材４０の側面から柱状部材４０の軸周りの全周に形成される。張り出し部４１は、軸方向から平面視すると、略四角形に形成され、各片と四隅の縁部４４は、それぞれ軸方向に半円状に丸めて形成される。   The overhanging portion 41 is provided at a position away from the upper end surface 43 in the axial direction (in this embodiment, a position away from both the upper end surface 43 and the lower end surface 42), and extends from the side surface of the columnar member 40 to the axis of the columnar member 40. It is formed all around. The overhanging portion 41 is formed in a substantially square shape when viewed in plan from the axial direction, and each piece and the edge 44 of the four corners are each formed by rounding in a semicircular shape in the axial direction.

柱状部材４０は、柱状部材４０ａの側面の軸周りの全周に溝４５が形成される。溝４５は、張り出し部４１と隣接して断面半円形に形成される。   In the columnar member 40, a groove 45 is formed on the entire circumference around the axis of the side surface of the columnar member 40a. The groove 45 is formed in a semicircular cross section adjacent to the overhanging portion 41.

図３に示すように、本実施例の導電性弾性部材２０は、コネクタ１１の第１ハウジング２１に収容されると、第１端子１５の接触部２８の上に下端面４２が当接するように載置された状態で、柱状部材４０の内壁４６の対向する側面から内壁４６に向かって延びる張り出し部４１が内壁４６と当接される。張り出し部４１は、軸周りの各片の縁部４４が内壁４６と略均一に当接される。   As shown in FIG. 3, when the conductive elastic member 20 of this embodiment is accommodated in the first housing 21 of the connector 11, the lower end surface 42 abuts on the contact portion 28 of the first terminal 15. In the mounted state, the projecting portion 41 extending from the opposite side surface of the inner wall 46 of the columnar member 40 toward the inner wall 46 is brought into contact with the inner wall 46. In the overhanging portion 41, the edge portion 44 of each piece around the axis is in contact with the inner wall 46 substantially uniformly.

次に、このように形成される導電性弾性部材２０の動作を説明する。図３に導電性弾性部材２０が軸方向Ｙに対して傾いた方向Ｙ´から第２端子１９によって押圧される状態を示す。図に示すように、導電性弾性部材２０は、張り出し部４１の縁部４４が第１ハウジング２１の内壁４６と軸周りに当接されている。これにより、第１端子１５と当接する柱状部材４０ｂは、第２端子１９に押圧されたときの湾曲（座屈）が抑制され、軸Ｙを中心とするもとの姿勢が維持される。このため、導電性弾性部材２０は、所定の接圧で第２端子１９に押し付けられる。   Next, the operation of the conductive elastic member 20 thus formed will be described. FIG. 3 shows a state in which the conductive elastic member 20 is pressed by the second terminal 19 from the direction Y ′ inclined with respect to the axial direction Y. As shown in the figure, the conductive elastic member 20 has an edge 44 of the overhanging portion 41 in contact with the inner wall 46 of the first housing 21 around the axis. As a result, the columnar member 40b in contact with the first terminal 15 is prevented from being bent (buckled) when pressed by the second terminal 19, and the original posture with the axis Y as the center is maintained. For this reason, the conductive elastic member 20 is pressed against the second terminal 19 with a predetermined contact pressure.

一方、柱状部材４０は、上端面４３が第２端子１９に押圧されると、第２端子１９の接触部３６の向きや角度に合わせるように、柱状部材４０ａが軸方向に圧縮され、かつ、所定の向きや角度に屈曲する。すなわち、柱状部材４０は、柱状部材４０ａの溝４５を起点として、軸Ｙを中心とする姿勢から、軸Ｙ´を中心とする姿勢に変化する。したがって、導電性弾性部材２０は、接点領域Ｌを含む上端面４３の所定領域に、接触部３６を均一に接触させることができる。   On the other hand, in the columnar member 40, when the upper end surface 43 is pressed by the second terminal 19, the columnar member 40a is compressed in the axial direction so as to match the direction and angle of the contact portion 36 of the second terminal 19, and Bend in a predetermined direction and angle. That is, the columnar member 40 changes from a posture centering on the axis Y to a posture centering on the axis Y ′, starting from the groove 45 of the columnar member 40a. Therefore, the conductive elastic member 20 can uniformly contact the contact portion 36 with a predetermined region of the upper end surface 43 including the contact region L.

以上より、本実施例の導電性弾性部材２０では、張り出し部４１と溝４５を設けたことにより、柱状部材４０を湾曲させることなく、第２端子１９の接触部３６の向きや角度に合わせて、柱状部材４０ａを屈曲させることができるから、柱状部材４０ａの上端面４３に第２端子１９を均一に接触させることができ、通電信頼性を高めることができる。   As described above, in the conductive elastic member 20 of the present embodiment, the protruding portion 41 and the groove 45 are provided, so that the columnar member 40 is not curved and is adjusted to the direction and angle of the contact portion 36 of the second terminal 19. Since the columnar member 40a can be bent, the second terminal 19 can be uniformly brought into contact with the upper end surface 43 of the columnar member 40a, and the energization reliability can be improved.

また、本実施例では、導電性弾性部材２０の張り出し部４１が無負荷の状態で第１ハウジング２１の内壁４６と当接可能に形成されるが、張り出し部４１は、内壁４６との間に隙間が生じる程度の大きさに形成されていてもよい。このように形成しても、張り出し部４１が内壁４６と当接されることで、導電性弾性部材２０の湾曲を抑制することができる。また、張り出し部４１は、柱状部材４０の軸周りの全周に形成されているが、複数箇所に分割して設けてもよい。   In the present embodiment, the overhanging portion 41 of the conductive elastic member 20 is formed so as to be able to contact the inner wall 46 of the first housing 21 in an unloaded state, but the overhanging portion 41 is between the inner wall 46. You may form in the magnitude | size which the space | gap produces. Even if it forms in this way, the curvature of the electroconductive elastic member 20 can be suppressed because the overhang | projection part 41 is contact | abutted with the inner wall 46. FIG. Moreover, although the overhang | projection part 41 is formed in the perimeter around the axis | shaft of the columnar member 40, you may divide | segment and provide in several places.

また、本実施例では、張り出し部４１が平面視で四角形に形成されるが、張り出し部４１の形状は、これに限られるものではなく、第１ハウジング２１の内壁４６の形状等に応じて、適宜設定することができる。また、柱状部材４０は、屈曲する方向が規制されないように円柱状とすることが好ましいが、これに限られるものではない。   Further, in the present embodiment, the overhanging portion 41 is formed in a quadrangular shape in plan view, but the shape of the overhanging portion 41 is not limited to this, and depending on the shape of the inner wall 46 of the first housing 21, etc. It can be set appropriately. Further, the columnar member 40 is preferably formed in a columnar shape so that the bending direction is not restricted, but is not limited thereto.

また、本実施例では、溝４５が、張り出し部４１の上面と連続的に形成されるから、溝底の深さは、実質的には、張り出し部４１の頂点を基準とした深さに相当する。このため、溝４５を張り出し部４１の上面から離れた位置に形成することもできるが、本実施例のように連続的に形成すれば、柱状部材４０ａをより屈曲し易くすることができる。   In this embodiment, since the groove 45 is formed continuously with the upper surface of the overhanging portion 41, the depth of the groove bottom is substantially equivalent to the depth based on the apex of the overhanging portion 41. To do. For this reason, although the groove | channel 45 can also be formed in the position away from the upper surface of the overhang | projection part 41, if it forms continuously like a present Example, the columnar member 40a can be made easier to bend.

また、本実施例では、溝４５を軸周りの全周に形成するとともに、溝４５の断面を半円形状に形成しているから、柱状部材４０ａは、溝４５を介して３次元方向の屈曲が容易になり、第２端子１９の当接角度等に追従可能な範囲を広げることができる。また、溝４５は、柱状部材４０の軸周りの全周に設けることが好ましいが、周方向の一部に設けることも可能である。   In this embodiment, the groove 45 is formed on the entire circumference around the axis, and the cross section of the groove 45 is formed in a semicircular shape. Therefore, the columnar member 40a is bent in the three-dimensional direction via the groove 45. It becomes easy and the range which can track the contact angle etc. of the 2nd terminal 19 can be expanded. Moreover, although it is preferable to provide the groove | channel 45 in the perimeter around the axis | shaft of the columnar member 40, it is also possible to provide it in a part of circumferential direction.

また、本実施例では、溝４５を柱状部材４０ａに設ける例を説明したが、溝４５は、柱状部材４０ａに加えて、柱状部材４０ｂに形成することもできる。これによれば、柱状部材４０ｂの屈曲が容易になるから、導電性弾性部材２０は、下端面４２と第１端子１５との均一な接触をより安定させることができる。   Moreover, although the example which provides the groove | channel 45 in the columnar member 40a was demonstrated in the present Example, the groove | channel 45 can also be formed in the columnar member 40b in addition to the columnar member 40a. According to this, since the columnar member 40b is easily bent, the conductive elastic member 20 can further stabilize the uniform contact between the lower end surface 42 and the first terminal 15.

以下では、本発明を実施するための他の導電性弾性部材の実施例について説明する。ただ、これらの各実施例はいずれも基本的には実施例１と同様の作用効果を生ずる。したがって、以下では、各実施例の特徴的な構成についてだけ説明し、実施例１と共通する構成や作用効果については、説明を省略する。   Below, the Example of the other electroconductive elastic member for implementing this invention is described. However, each of these embodiments basically produces the same effects as the first embodiment. Accordingly, only the characteristic configuration of each embodiment will be described below, and the description of the configuration and operation effects common to the first embodiment will be omitted.

図４に本実施例の導電性弾性部材５０の外観を示す。本実施例の導電性弾性部材５０が実施例１の導電性弾性部材２０と相違する点は、張り出し部５１を柱状部材４０の径方向ではなく、軸方向に形成した点である。その他の構成は、実施例１と同一であるから、同一の符号を付して説明を省略する。なお、本実施例では、溝４５の下端面４２側を柱状部材４０ｂとする。   FIG. 4 shows the appearance of the conductive elastic member 50 of this embodiment. The difference between the conductive elastic member 50 of the present embodiment and the conductive elastic member 20 of the first embodiment is that the protruding portion 51 is formed in the axial direction, not in the radial direction of the columnar member 40. Since the other configuration is the same as that of the first embodiment, the same reference numerals are given and description thereof is omitted. In this embodiment, the lower end face 42 side of the groove 45 is a columnar member 40b.

張り出し部５１ａ，５１ｂは、それぞれ、柱状部材４０ｂの溝４５から下端面４２に亘って設けられ、軸方向に沿って矩形状に形成される。２つの張り出し部５１ａ，５１ｂは、柱状部材４０ｂを挟んで互いに反対方向に設けられる。   The overhang portions 51a and 51b are respectively provided from the groove 45 to the lower end surface 42 of the columnar member 40b, and are formed in a rectangular shape along the axial direction. The two overhang portions 51a and 51b are provided in opposite directions with the columnar member 40b interposed therebetween.

これによれば、張り出し部５１ａ，５１ｂをそれぞれ第１ハウジング２１の内壁４６に当接させることにより、柱状部材４０ｂの姿勢を軸方向に亘って保持することができるから、柱状部材４０ｂの湾曲をより確実に防ぐことができる。ただ、本実施例の導電性弾性部材５０は、張り出し部５１ａ，５１ｂと内壁４６との隙間を小さく設定すると、第１ハウジング２１に挿入する際の挿入負荷が大きくなるため、所定の隙間を確保することが好ましい。   According to this, since the projecting portions 51a and 51b are brought into contact with the inner wall 46 of the first housing 21, respectively, the posture of the columnar member 40b can be held in the axial direction, so that the columnar member 40b is curved. This can be prevented more reliably. However, the conductive elastic member 50 according to the present embodiment secures a predetermined gap because the insertion load during insertion into the first housing 21 increases when the gap between the projecting portions 51a and 51b and the inner wall 46 is set small. It is preferable to do.

本実施例では、張り出し部５１を２方向に設ける例を説明したが、これに限られるものではなく、軸周りに等間隔で更に多く設けることもできる。また、張り出し部５１の軸方向の長さは、本実施例よりも短くすることもできるし、軸方向に分割して形成することもできる。   In the present embodiment, the example in which the overhang portions 51 are provided in two directions has been described. However, the present invention is not limited to this, and more protrusions 51 can be provided at equal intervals around the axis. In addition, the length of the overhanging portion 51 in the axial direction can be shorter than that of the present embodiment, or can be formed by being divided in the axial direction.

図５に本実施例の導電性弾性部材５５の外観を示す。本実施例の導電性弾性部材５５が実施例１の導電性弾性部材２０と相違する点は、溝５６が柱状部材４０ａではなく、張り出し部４１に設けられている点である。その他の構成は、実施例１と同一であるから、同一の符号を付して説明を省略する。   FIG. 5 shows the appearance of the conductive elastic member 55 of the present embodiment. The conductive elastic member 55 of the present embodiment is different from the conductive elastic member 20 of the first embodiment in that the groove 56 is provided in the protruding portion 41 instead of the columnar member 40a. Since the other configuration is the same as that of the first embodiment, the same reference numerals are given and description thereof is omitted.

溝５６は、張り出し部４１の上面側で柱状部材４０との連結部に沿って軸周りの全周に設けられる。このように溝５９を張り出し部４１に設けても、柱状部材４０ａは、溝５６を起点として屈曲するから、第２端子１９を柱状部材４０の上端面４３に均一に接触させることができる。   The groove 56 is provided on the entire circumference around the axis along the connecting portion with the columnar member 40 on the upper surface side of the projecting portion 41. Thus, even if the groove 59 is provided in the projecting portion 41, the columnar member 40 a bends with the groove 56 as a starting point, so that the second terminal 19 can be brought into uniform contact with the upper end surface 43 of the columnar member 40.

本実施例では、溝５６を張り出し部４１の上面側に設ける例を説明したが、上面側と下面側との両方に設けることもできる。更に、溝５６は、柱状部材４０との連結部に沿って設けられる場合に限らず、連結部から離れた位置の柱状部材４０の軸周りの方向に設けられていてもよい。   In the present embodiment, the example in which the groove 56 is provided on the upper surface side of the projecting portion 41 has been described. However, the groove 56 may be provided on both the upper surface side and the lower surface side. Further, the groove 56 is not limited to being provided along the connecting portion with the columnar member 40, and may be provided in the direction around the axis of the columnar member 40 at a position away from the connecting portion.

本実施例の導電性弾性部材が上記の各実施例と相違する点は、柱状部材４０ａを形成する材料が、各張り出し部４１，５１及び柱状部材４０ｂを形成する材料よりも硬度が低い点である。   The conductive elastic member of the present embodiment is different from the above embodiments in that the material forming the columnar member 40a is lower in hardness than the material forming the overhang portions 41 and 51 and the columnar member 40b. is there.

本実施例の導電性弾性部材は、例えば、２種類の材料を用いた周知の２色成形により形成される。これによれば、硬度が比較的高い材料で形成された張り出し部４１，５１によって載置面側の柱状部材４０ｂの姿勢を保ちつつ、硬度が比較的低い材料で形成された柱状部材４０ａに弾力性や柔軟性をもたせ、第２端子１９の傾き等の公差ばらつきを効果的に吸収することができる。したがって、柱状部材４０の湾曲を防ぎながら、第２端子１９との均一な接触が可能になる。   The conductive elastic member of the present embodiment is formed by, for example, well-known two-color molding using two types of materials. According to this, elasticity is exerted on the columnar member 40a formed of a material having a relatively low hardness while maintaining the posture of the columnar member 40b on the placement surface side by the overhang portions 41 and 51 formed of a material having a relatively high hardness. Therefore, it is possible to effectively absorb tolerance variations such as the inclination of the second terminal 19. Therefore, uniform contact with the second terminal 19 is possible while preventing the columnar member 40 from being bent.

本実施例では、柱状部材４０ａを形成する材料と、各張り出し部４１，５１及び柱状部材４０ｂを形成する材料とが、異なる例を説明したが、これに限られるものではなく、少なくとも、柱状部材４０ａを形成する材料が、各張り出し部４１，５１を形成する材料よりも硬度が低いものであればよい。すなわち、柱状部材４０を形成する比較的硬度の高い材料と、各張り出し部４１，５１を形成する比較的硬度が低い材料との２種類で形成することもできる。この場合、例えば、予め形成された各張り出し部４１，５１を柱状部材４０にインサート成形して製造することができる。   In the present embodiment, the example in which the material for forming the columnar member 40a is different from the material for forming the overhang portions 41 and 51 and the columnar member 40b is not limited to this, but at least the columnar member The material for forming 40a only needs to have a lower hardness than the material for forming the overhang portions 41 and 51. That is, it can be formed of two types of material, which is a relatively hard material for forming the columnar member 40 and a material having a relatively low hardness for forming the overhang portions 41 and 51. In this case, for example, the overhang portions 41 and 51 formed in advance can be manufactured by insert molding in the columnar member 40.

１１ コネクタ
１５ 第１端子（一方の導体）
１９ 第２端子（他方の導体）
２０，５０，５５ 導電性弾性部材
２１ 第１ハウジング
３１ 第２ハウジング
４０ａ，４０ｂ 柱状部材
４１，５１ 張り出し部
４２ 下端面
４３ 上端面 11 Connector 15 1st terminal (one conductor)
19 Second terminal (the other conductor)
20, 50, 55 Conductive elastic member 21 First housing 31 Second housing 40a, 40b Columnar member 41, 51 Overhang portion 42 Lower end surface 43 Upper end surface

Claims (10)

導電性と弾力性とを有する柱状部材と、該柱状部材の側面に突出させて形成された張り出し部とを有し、前記柱状部材の両端面を２つの導体間に挟んで筒状の収容部に同軸に保持される導電性弾性部材であって、
前記柱状部材は、前記張り出し部よりもいずれか一方の端面側の側面の軸周りに溝が形成されている導電性弾性部材。 A columnar member having conductivity and the elastic, possess a protruding portion formed to protrude on the side surface of the columnar member, housed in the tubular across the end faces of the columnar member between the two conductors A conductive elastic member that is coaxially held in the part ,
The columnar member is a conductive elastic member in which a groove is formed around the axis of the side surface on one of the end surfaces from the projecting portion . 前記柱状部材は、前記張り出し部の突出縁と前記収容部の内壁とを当接させて前記収容部に保持されている請求項１に記載の導電性弾性部材。 2. The conductive elastic member according to claim 1, wherein the columnar member is held by the housing portion with a protruding edge of the overhanging portion and an inner wall of the housing portion coming into contact with each other . 前記柱状部材は、前記張り出し部の突出縁と前記収容部の内壁とを隙間を空けて保持されている請求項１に記載の導電性弾性部材。 The conductive elastic member according to claim 1, wherein the columnar member is held with a gap between a protruding edge of the projecting portion and an inner wall of the housing portion . 前記張り出し部は、前記柱状部材の前記側面の軸周りの全周に設けられている請求項１に記載の導電性弾性部材。 The overhang, the conductive elastic member according to claim 1 Ru Tei provided on the entire circumference around the axis of the side surface of the columnar member. 前記張り出し部は、前記柱状部材の前記側面の軸方向に延在させて、軸周りに対称に離して複数設けられている請求項１に記載の導電性弾性部材。2. The conductive elastic member according to claim 1, wherein a plurality of the projecting portions are provided so as to extend in the axial direction of the side surface of the columnar member and be symmetrically separated around the axis. 前記溝は、前記張り出し部に接する位置の前記柱状部材の側面に形成されている請求項４又は５に記載の導電性弾性部材。 The conductive elastic member according to claim 4 , wherein the groove is formed on a side surface of the columnar member at a position in contact with the projecting portion. 前記柱状部材は、前記張り出し部よりもいずれか一方の端面側の部材が、前記張り出し部よりも硬度の低い材料で形成されている請求項１乃至６のいずれかに記載の導電性弾性部材。 The columnar member, members of the projecting portion one end face side than the conductive elastic member according to any one of claims 1 to 6 is formed by low hardness material than the protruding portion. 前記張り出し部は、前記柱状部材の外周に沿って又は該外周から離れた位置の前記柱状部材の軸周りに溝が形成されている請求項１に記載の導電性弾性部材。 The overhang, the conductive elastic member according to claim 1 in which the groove in Ri axial periphery of the columnar member at a position distant from along or該Gaishu the outer periphery of the columnar member is formed. 前記溝は、断面半円である請求項１又は６に記載の導電性弾性部材。 The groove, the conductive elastic member according to claim 1 or 6 is a cross-sectional semicircle. 一方の導体を保持する第１ハウジングと、他方の導体を保持する第２ハウジングと、これらのハウジングのいずれか一方に形成された筒状の収容部に収容される導電性弾性部材とを備え、
前記第１ハウジングと前記第２ハウジングとの嵌合時に、前記一方の導体と前記他方の導体とがそれぞれ前記導電性弾性部材の端面と当接されることにより該導電性弾性部材を介して接続可能に形成され、
前記導電性弾性部材は、請求項１乃至９のいずれかに記載の導電性弾性部材であるコネクタ。 A first housing that holds one conductor, a second housing that holds the other conductor, and a conductive elastic member that is housed in a cylindrical housing formed in one of these housings,
When the first housing and the second housing are fitted together, the one conductor and the other conductor are connected to each other via the conductive elastic member by contacting the end surface of the conductive elastic member. Formed possible,
The connector according to any one of claims 1 to 9 , wherein the conductive elastic member is a conductive elastic member.
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