JP5210965B2

JP5210965B2 - Waterproof shield connector

Info

Publication number: JP5210965B2
Application number: JP2009124094A
Authority: JP
Inventors: 元加藤; 佐知子矢込; 洋輔井上
Original assignee: Nok Corp; Yazaki Corp
Current assignee: Nok Corp; Yazaki Corp
Priority date: 2009-05-22
Filing date: 2009-05-22
Publication date: 2013-06-12
Anticipated expiration: 2029-05-22
Also published as: JP2010272404A

Description

本発明は、電子機器同士を接続するワイヤハーネスを構成するコネクタに関し、特に、防水機能と電磁波シールド機能とを有する防水シールドコネクタに関するものである。 The present invention relates to a connector constituting a wire harness for connecting electronic devices, and more particularly to a waterproof shield connector having a waterproof function and an electromagnetic wave shielding function.

電気自動車やハイブリット車には、インバータやモータなどの種々の電子機器が搭載される。これらインバータやモータなどの電子機器においては、その筐体に設けられた差し込み口に差し込まれるコネクタや、該コネクタに接続される電線などから発生する電磁波（ノイズ）に対するシールド対策が求められる。また、前記差し込み口から筐体内に雨水などが浸入することを防ぐ防水性も求められる。これらインバータやモータなどの電子機器に取り付けられるコネクタとして、図５に示す防水シールドコネクタ１００が提案されている（特許文献１を参照。）。 Various electronic devices such as inverters and motors are mounted on electric vehicles and hybrid vehicles. These electronic devices such as inverters and motors require shielding measures against electromagnetic waves (noise) generated from a connector inserted into an insertion port provided in the casing or an electric wire connected to the connector. Further, waterproofness is also required to prevent rainwater and the like from entering the housing from the insertion port. A waterproof shield connector 100 shown in FIG. 5 has been proposed as a connector that can be attached to electronic devices such as inverters and motors (see Patent Document 1).

図５において、符号１４０は、前記電気自動車に搭載された前記モータを構成する筐体であり、符号１００は、筐体１４０に設けられた差し込み口１４１に差し込まれて、筐体１４０の内部に収容された電気回路に接続される前記防水シールドコネクタである。 In FIG. 5, reference numeral 140 is a casing that constitutes the motor mounted on the electric vehicle, and reference numeral 100 is inserted into an insertion port 141 provided in the casing 140, and is placed inside the casing 140. It is the said waterproof shield connector connected to the accommodated electrical circuit.

上記筐体１４０は、アルミニウム合金などの導電性金属板で構成されており、グランド側に接地されている。上記防水シールドコネクタ１００は、差し込み口１４１を通されて前記電気回路に接続される電気接触部１２６ｂと、電線１２０の端末に接続され、筐体１４０の外部に位置付けられる電線接続部１２６ａと、を有したＬ字型の端子１２６と、この端子１２６を収容するコネクタハウジング２００と、このコネクタハウジング２００を覆うシールドシェル１７０と、を有している。 The casing 140 is made of a conductive metal plate such as an aluminum alloy, and is grounded to the ground side. The waterproof shield connector 100 includes an electrical contact portion 126b that is connected to the electric circuit through the insertion port 141, and an electric wire connection portion 126a that is connected to the terminal of the electric wire 120 and positioned outside the housing 140. It has an L-shaped terminal 126, a connector housing 200 that accommodates the terminal 126, and a shield shell 170 that covers the connector housing 200.

上記電線１２０は、電線接続部１２６ａと接続される芯線１２１と、芯線１２１を覆う絶縁被覆１２２と、で構成されている。この電線１２０は、その全長にわたって外周が編組１３０で覆われて電磁波シールド対策がなされているとともに、さらにその外周がコルゲートチューブ１９０で覆われて防水対策がなされている。 The electric wire 120 includes a core wire 121 connected to the electric wire connection portion 126 a and an insulating coating 122 that covers the core wire 121. The outer circumference of the electric wire 120 is covered with a braid 130 over its entire length to take an electromagnetic shielding measure, and further, the outer circumference thereof is covered with a corrugated tube 190 to take a waterproof measure.

上記コネクタハウジング２００は、絶縁性の合成樹脂で構成された本体ハウジング１５０とカバーハウジング１６０とで構成されている。この本体ハウジング１５０は、差し込み口１４１に差し込まれるとともに電気接触部１２６ｂが通される端子通し孔１５３を有する筒状の電気接触部収容部１５２と、電線接続部載置板部１５４と、を有している。この電線接続部載置板部１５４は、カバーハウジング１６０との間に電線１２０の端末及び該端末に取り付けられた電線接続部１２６ａを収容する。また、前記端子通し孔１５３には、筒状に設けられたゴム製のシール部材１２７が詰められており、電気接触部収容部１５２の内面と電気接触部１２６ｂとの間が水密に保たれている。このことから、端子１２６を伝って筐体１４０の内部からの水や油が電線１２０側に浸入することが防止されている。また、電気接触部収容部１５２の外周には、ゴム製のＯリング１５５が装着されており、該電気接触部収容部１５２の外周と差し込み口１４１の外周との間が水密に保たれている。このことから、差し込み口１４１から筐体１４０内に雨水などの液体が浸入することが防止されている。 The connector housing 200 includes a main body housing 150 and a cover housing 160 made of an insulating synthetic resin. The main body housing 150 includes a cylindrical electric contact portion accommodating portion 152 having a terminal through hole 153 through which the electric contact portion 126b is inserted and an electric wire connecting portion mounting plate portion 154. doing. The electric wire connection portion mounting plate portion 154 accommodates the end of the electric wire 120 and the electric wire connection portion 126a attached to the end between the cover housing 160 and the cover housing 160. Further, the terminal through hole 153 is packed with a rubber seal member 127 provided in a cylindrical shape, and the inner surface of the electric contact portion accommodating portion 152 and the electric contact portion 126b are kept watertight. Yes. This prevents water and oil from the inside of the housing 140 from entering the electric wire 120 side through the terminal 126. Further, a rubber O-ring 155 is attached to the outer periphery of the electric contact portion accommodating portion 152, and the space between the outer periphery of the electric contact portion accommodating portion 152 and the outer periphery of the insertion port 141 is kept watertight. . This prevents liquid such as rainwater from entering the housing 140 from the insertion port 141.

上記シールドシェル１７０は、金属材料で構成され、鋳造、切削、プレス、またはこれらを組み合わせた加工が施されて得られるものであり、コネクタハウジング２００を覆う覆い部１７１と、編組１３０に接続される図示しない接続部と、ブラケット１７２と、を有している。このブラケット１７２は、ボルト孔１７２ａにボルト１７６が通され、該ボルト１７６が筐体１４０に設けられたネジ孔１４２に螺合されることによって筐体１４０に接地される。このことにより、電線１２０に発生する電磁波は、編組１３０、シールドシェル１７０、筐体１４０を介してグランドに吸収される。 The shield shell 170 is made of a metal material and is obtained by casting, cutting, pressing, or a combination thereof, and is connected to the cover portion 171 that covers the connector housing 200 and the braid 130. A connection portion (not shown) and a bracket 172 are provided. The bracket 172 is grounded to the housing 140 by passing a bolt 176 through the bolt hole 172 a and screwing the bolt 176 into a screw hole 142 provided in the housing 140. As a result, electromagnetic waves generated in the electric wire 120 are absorbed by the ground via the braid 130, the shield shell 170, and the housing 140.

特開２００３−１１５３５７号公報JP 2003-115357 A 特開２００４−３４９０２６号公報JP 2004-349026 A

しかしながら、上述した防水シールドコネクタ１００においては、電線接続部載置板部１５４とカバーハウジング１６０との間から雨水などの液体が浸入して、該液体が電線接続部載置板部１５４とカバーハウジング１６０との間に収容された端子１２６に付着する恐れがあるという問題があった。また、電線接続部載置板部１５４とカバーハウジング１６０との間に収容された端子１２６の周囲をゴム製のシール部材などで覆うことは、端子１２６がＬ字型に設けられていることから容易ではなかった。 However, in the above-described waterproof shield connector 100, a liquid such as rainwater enters between the electric wire connection portion mounting plate portion 154 and the cover housing 160, and the liquid enters the electric wire connection portion mounting plate portion 154 and the cover housing. There is a problem that there is a risk of adhering to the terminal 126 accommodated between the terminal 160 and the terminal 160. Further, covering the periphery of the terminal 126 accommodated between the wire connection portion mounting plate portion 154 and the cover housing 160 with a rubber seal member or the like is because the terminal 126 is provided in an L shape. It was not easy.

この問題の解決策として、特許文献２に示されるように、前記端子を収容する前記コネクタハウジング内にポッティング剤などを充填して前記コネクタハウジング内を防水する構造が提案されている。また、前記ポッティング剤は、例えば、シリコーンなどを含む未硬化状態が液状のものである。しかしながら、このような特許文献２に示される構造においては、前記コネクタハウジングと前記端子とが前記ポッティング剤に固着されることから、前記コネクタハウジングと前記端子とを分解すること、或いは前記コネクタハウジングと前記端子をリサイクルすることが困難になってしまうという問題があった。 As a solution to this problem, as shown in Patent Document 2, a structure in which a potting agent or the like is filled in the connector housing that accommodates the terminals to waterproof the connector housing is proposed. In addition, the potting agent is liquid in an uncured state containing, for example, silicone. However, in the structure shown in Patent Document 2, since the connector housing and the terminal are fixed to the potting agent, the connector housing and the terminal are disassembled, or the connector housing and There has been a problem that it becomes difficult to recycle the terminals.

そこで、本発明は、上記のような問題点に着目し、Ｌ字型の端子を有する防水シールドコネクタにおいて、前記端子の電線接続部を収容する電線接続部収容部内を確実に防水することができ、さらに、前記端子と前記電線接続部収容部との分解、及び、これらのリサイクルが容易に行える防水シールドコネクタを提供することを目的とする。 Therefore, the present invention pays attention to the above-mentioned problems, and in the waterproof shield connector having an L-shaped terminal, the inside of the electric wire connecting portion accommodating portion for accommodating the electric wire connecting portion of the terminal can be reliably waterproofed. Furthermore, it aims at providing the waterproof shield connector which can decompose | disassemble the said terminal and the said electric wire connection part accommodating part, and can recycle these easily.

上記目的を達成するために請求項１に記載された発明は、導電性材料で構成された筐体の差し込み口に差し込まれて、前記筐体内の電気回路に接続される防水シールドコネクタにおいて、（イ）前記差し込み口を通されて前記電気回路に接続される電気接触部と、外周が電磁波シールド部材で覆われた電線の端末に接続され、前記筐体の外部に位置付けられる電線接続部と、を有し、前記電気接触部と前記電線接続部との中間部分が屈曲されてＬ字型に設けられた端子と、（ロ）前記電気接触部を通す貫通孔が設けられた底壁と、該底壁の外縁部から立設した複数の側壁と、で構成され、前記底壁と相対する側に開口部が設けられ、前記複数の側壁のうち１つに当該側壁の前記開口部側の外縁部を切り欠いた電線引き出し溝が設けられ、前記電線の端末に取り付けられた前記電線接続部を収容するとともに前記筐体の外部に取り付けられる電線接続部収容部、を有するコネクタハウジングと、（ハ）前記電線接続部収容部と前記電線引き出し溝から引き出された前記電線とを覆う覆い部と、前記電磁波シールド部材に接続される接続部と、前記筐体に接地される接地部と、を有する導電性材料で構成されたシールドシェルと、（ニ）前記電線接続部収容部の内部に嵌め込まれて該電線接続部収容部の全ての内面及び前記覆い部に密着するシール部材であって、前記底壁の全面及び前記側壁に密着する第１シール部材と、前記第１シール部材及び前記覆い部並びに前記側壁に密着して前記第１シール部材と前記覆い部との間を水密に保つ第２シール部材と、で構成され、これら第１シール部材と第２シール部材とが前記電線接続部収容部と前記覆い部とによって挟持され、これら第１シール部材と第２シール部材とのうち少なくとも一方に、これら第１シール部材と第２シール部材との密着面から凹に形成されて、前記電線の端末に取り付けられた前記電線接続部を収容する凹部が設けられた前記シール部材と、を有し、そして、（ホ）前記電気接触部が、前記第１シール部材を挿通して前記貫通孔に通されることを特徴とする防水シールドコネクタである。 To achieve the above object, the invention described in claim 1 is a waterproof shield connector which is inserted into an insertion port of a casing made of a conductive material and connected to an electric circuit in the casing. A) an electrical contact portion that is connected to the electrical circuit through the insertion port, an electrical wire connection portion that is connected to an end of the electrical wire whose outer periphery is covered with an electromagnetic wave shielding member, and is positioned outside the housing; And (b) a bottom wall provided with a through-hole through which the electrical contact portion is provided, and an intermediate portion between the electrical contact portion and the electric wire connecting portion is bent and provided in an L shape. A plurality of side walls erected from the outer edge of the bottom wall, and an opening is provided on a side opposite to the bottom wall, and one of the plurality of side walls is provided on the opening side of the side wall. A wire lead-out groove with the outer edge cut out is provided, A connector housing having a wire connecting portion receiving portion that is attached to the outside of the housing while receiving the wire connecting portion attached to the end of the wire; and (c) from the wire connecting portion receiving portion and the wire drawing groove. A shield shell made of a conductive material having a covering portion covering the drawn-out electric wire, a connection portion connected to the electromagnetic wave shielding member, and a grounding portion grounded to the housing; ) A seal member that is fitted into the inside of the electric wire connection portion accommodating portion and is in close contact with all inner surfaces of the electric wire connection portion accommodating portion and the covering portion, and is in close contact with the entire surface of the bottom wall and the side wall. And a first seal member, the cover portion, and a second seal member that is in close contact with the side wall and keeps water tight between the first seal member and the cover portion. And the second seal member are sandwiched between the wire connection portion accommodating portion and the cover portion, and at least one of the first seal member and the second seal member is provided with the first seal member and the second seal member. And (e) the electrical contact portion, wherein the seal member is provided with a recess formed to be recessed from a close contact surface with the member and accommodates the wire connection portion attached to the end of the wire. The waterproof shield connector is characterized in that the first seal member is inserted through the through hole.

請求項２に記載された発明は、請求項１に記載された発明において、前記電気接触部が、前記第１シール部材に突き刺されるとともに該第１シール部材を突き破って該第１シール部材を挿通することを特徴とするものである。 The invention described in claim 2 is the invention described in claim 1, wherein the electrical contact portion is pierced by the first seal member and penetrates through the first seal member. It is characterized by doing.

請求項３に記載された発明は、請求項２に記載された発明において、前記凹部が前記第１シール部材に設けられ、該凹部が設けられることによって厚みが薄くされた当該第１シール部材の薄肉部に前記電気接触部が突き刺されることを特徴とするものである。 The invention described in claim 3 is the invention described in claim 2, wherein the recess is provided in the first seal member, and the thickness of the first seal member is reduced by providing the recess. The electric contact portion is pierced into the thin portion.

請求項４に記載された発明は、請求項１ないし請求項３のうち１項に記載された発明において、前記コネクタハウジングが、前記底壁から筒状に延設され、内側に前記電気接触部が通されるとともに前記底壁から離れた一端側が前記差し込み口に差し込まれる電気接触部収容部を有し、そして、前記電気接触部収容部の前記底壁寄りの他端部の外周に、当該他端部の外周と前記差し込み口の外周との間を水密に保つ第３シール部材が設けられていることを特徴とするものである。 According to a fourth aspect of the present invention, in the first aspect of the first to third aspects, the connector housing extends in a cylindrical shape from the bottom wall, and the electric contact portion is provided inside. And one end side away from the bottom wall is inserted into the insertion port, and the outer periphery of the other end of the electric contact portion accommodating part near the bottom wall A third seal member is provided to keep watertight between the outer periphery of the other end and the outer periphery of the insertion port.

請求項１に記載された発明によれば、（ニ）前記電線接続部収容部の内部に嵌め込まれて該電線接続部収容部の全ての内面及び前記覆い部に密着するシール部材であって、前記底壁の全面及び前記側壁に密着する第１シール部材と、前記第１シール部材及び前記覆い部並びに前記側壁に密着して前記第１シール部材と前記覆い部との間を水密に保つ第２シール部材と、で構成され、これら第１シール部材と第２シール部材とが前記電線接続部収容部と前記覆い部とによって挟持され、これら第１シール部材と第２シール部材とのうち少なくとも一方に、これら第１シール部材と第２シール部材との密着面から凹に形成されて、前記電線の端末に取り付けられた前記電線接続部を収容する凹部が設けられた前記シール部材と、を有し、そして、（ホ）前記電気接触部が、前記第１シール部材を挿通して前記貫通孔に通されるので、ポッティング剤などを用いずとも簡素な構成の前記シール部材によって前記電線接続部収容部内を確実に防水すること、即ち安定した防水性を確保すること、ができ、そのために、前記シール部材、前記コネクタハウジング、前記端子、前記シールドシェルを容易に分解・リサイクルすることができる。 According to the invention described in claim 1, (d) a seal member that is fitted into the inside of the electric wire connection portion accommodating portion and is in close contact with all inner surfaces of the electric wire connection portion accommodating portion, and the cover portion, A first seal member that is in close contact with the entire surface of the bottom wall and the side wall; a first seal member and the cover portion; and a first seal member that is in close contact with the side wall and that is watertight between the first seal member and the cover portion. 2 seal members, and the first seal member and the second seal member are sandwiched between the wire connection portion accommodating portion and the cover portion, and at least one of the first seal member and the second seal member. On the other hand, the seal member provided with a recess formed to be recessed from the contact surface between the first seal member and the second seal member, and housing the wire connection portion attached to the end of the wire. Have and E) Since the electrical contact portion is inserted through the first seal member and passed through the through-hole, the inside of the electric wire connection portion receiving portion can be reliably secured by the seal member having a simple configuration without using a potting agent or the like. It is possible to waterproof, that is, to secure a stable waterproof property. For this reason, the seal member, the connector housing, the terminal, and the shield shell can be easily disassembled and recycled.

請求項２に記載された発明によれば、前記電気接触部が、前記第１シール部材に突き刺されるとともに該第１シール部材を突き破って該第１シール部材を挿通するので、前記端子の周囲に、前記第１シール部材を密着させることが容易に行える。 According to the second aspect of the present invention, the electrical contact portion is pierced by the first seal member and penetrates the first seal member so as to pass through the first seal member. The first seal member can be easily adhered.

請求項３に記載された発明によれば、前記凹部が前記第１シール部材に設けられ、該凹部が設けられることによって厚みが薄くされた当該第１シール部材の薄肉部に前記電気接触部が突き刺されるので、容易に前記電気接触部が前記薄肉部を突き破ることができる。 According to the invention described in claim 3, the concave portion is provided in the first seal member, and the electric contact portion is provided in the thin portion of the first seal member whose thickness is reduced by providing the concave portion. Since it is pierced, the said electric contact part can pierce the said thin part easily.

請求項４に記載された発明によれば、前記コネクタハウジングが、前記底壁から筒状に延設され、内側に前記電気接触部が通されるとともに前記底壁から離れた一端側が前記差し込み口に差し込まれる電気接触部収容部を有し、そして、前記電気接触部収容部の前記底壁寄りの他端部の外周に、当該他端部の外周と前記差し込み口の外周との間を水密に保つ第３シール部材が設けられているので、前記電気接触部を前記電気接触部収容部によって保護することができるとともに、前記差し込み口から筐体内に雨水などの液体が浸入することを防止できる。 According to the invention described in claim 4, the connector housing extends in a cylindrical shape from the bottom wall, and the one end side away from the bottom wall is inserted through the electrical contact portion on the inner side. And an electrical contact portion accommodating portion inserted into the outer periphery of the other end portion of the electrical contact portion accommodating portion near the bottom wall between the outer periphery of the other end portion and the outer periphery of the insertion port. The third seal member is provided so that the electrical contact portion can be protected by the electrical contact portion accommodating portion, and liquid such as rainwater can be prevented from entering the housing from the insertion port. .

本発明の一実施の形態にかかる防水シールドコネクタを示す分解斜視図である。It is a disassembled perspective view which shows the waterproof shield connector concerning one embodiment of this invention. 図１中のＤ−Ｄ線に沿った断面図である。It is sectional drawing along the DD line | wire in FIG. 図２中のＥ−Ｅ線に沿った断面斜視図である。It is a cross-sectional perspective view along the EE line in FIG. 図１に示された第１シール部材を示す斜視図である。It is a perspective view which shows the 1st sealing member shown by FIG. 従来の防水シールドコネクタを示す断面図である。It is sectional drawing which shows the conventional waterproof shield connector.

以下、本発明の一実施の形態にかかる防水シールドコネクタを図１ないし図４を参照しながら説明する。図１は、本発明の一実施の形態にかかる防水シールドコネクタを示す分解斜視図である。図２は、図１中のＤ−Ｄ線に沿った断面図である。図３は、図２中のＥ−Ｅ線に沿った断面斜視図である。図４は、図１に示された第１シール部材を示す斜視図である。 A waterproof shield connector according to an embodiment of the present invention will be described below with reference to FIGS. FIG. 1 is an exploded perspective view showing a waterproof shield connector according to an embodiment of the present invention. FIG. 2 is a cross-sectional view taken along line DD in FIG. FIG. 3 is a cross-sectional perspective view taken along line EE in FIG. FIG. 4 is a perspective view showing the first seal member shown in FIG. 1.

上記防水シールドコネクタ１は、図２に示すように、筐体１０に設けられた差し込み口１０ａに差し込まれて、筐体１０の内部に収容された電気回路に接続されるコネクタであり、防水機能と電磁波シールド機能とを有するコネクタである。また、前記筐体１０は、電気自動車に搭載されたモータを構成する筐体であり、アルミニウム合金などの導電性金属板で構成されており、グランド側に接地されている。即ち、本実施形態における防水シールドコネクタ１は、モータとインバータとの間に設けられ、インバータからの電力をモータに供給するために用いられる。 As shown in FIG. 2, the waterproof shield connector 1 is a connector that is inserted into an insertion port 10 a provided in the housing 10 and is connected to an electric circuit housed in the housing 10. And an electromagnetic wave shielding function. The housing 10 is a housing that constitutes a motor mounted on an electric vehicle, is made of a conductive metal plate such as an aluminum alloy, and is grounded to the ground side. That is, the waterproof shield connector 1 in this embodiment is provided between the motor and the inverter, and is used to supply electric power from the inverter to the motor.

上記防水シールドコネクタ１は、図１及び図２に示すように、一対の端子３と、これら端子３を収容するコネクタハウジング６と、コネクタハウジング６を覆うシールドシェル１２と、コネクタハウジング６の電線接続部収容部６１内を防水するためのシール部材１３と、を有している。 As shown in FIGS. 1 and 2, the waterproof shield connector 1 includes a pair of terminals 3, a connector housing 6 that accommodates the terminals 3, a shield shell 12 that covers the connector housing 6, and an electric wire connection of the connector housing 6. And a seal member 13 for waterproofing the inside of the part accommodating part 61.

上記一対の端子３は、差し込み口１０ａを通されて前記電気回路に接続される板状の電気接触部３４と、外周が電磁波シールド部材としての編組２３で覆われた電線２の端末に接続され、筐体１０の外部に位置付けられる電線接続部３１と、を有し、電気接触部３４と電線接続部３１との中間部分が屈曲されてＬ字型に設けられている。 The pair of terminals 3 are connected to a plate-like electric contact portion 34 that is connected to the electric circuit through the insertion opening 10a, and an end of the electric wire 2 whose outer periphery is covered with a braid 23 as an electromagnetic wave shielding member. And an electric wire connecting portion 31 positioned outside the housing 10, and an intermediate portion between the electric contact portion 34 and the electric wire connecting portion 31 is bent and provided in an L shape.

上記電線接続部３１は、電気接触部３４に連なる板状の載置板部３２と、この載置板部３２の幅方向両端部から立設した一対のかしめ片３３と、を有している。そして、載置板部３２の表面上に載置された電線２が一対のかしめ片３３に圧着されることにより、電線２が電線接続部３１に電気的及び機械的に接続される。 The electric wire connection portion 31 includes a plate-like placement plate portion 32 that is continuous with the electrical contact portion 34, and a pair of caulking pieces 33 that are erected from both ends in the width direction of the placement plate portion 32. . Then, the electric wire 2 placed on the surface of the placement plate portion 32 is crimped to the pair of caulking pieces 33 so that the electric wire 2 is electrically and mechanically connected to the electric wire connection portion 31.

上記電線２は、導電性の芯線２１の外周が絶縁被覆２２で覆われた、断面丸型の被覆電線である。この電線２は、その全長にわたって外周が編組２３で覆われて電磁波シールド対策がなされているとともに、さらにその外周が合成樹脂製のシース２４で覆われて防水対策がなされている。また、電線２は、端末の絶縁被覆２２が皮剥き処理されることにより芯線２１が露出されており、露出された芯線２１に上記電線接続部３１が接続されている。また、編組２３は、電線２の端末においてシース２４が皮剥き処理されることにより露出されており、この露出された部分がシールドシェル１２に電気接続されている。 The electric wire 2 is a covered electric wire having a round cross section in which the outer periphery of a conductive core wire 21 is covered with an insulating coating 22. The outer circumference of the electric wire 2 is covered with a braid 23 over its entire length to take measures against electromagnetic shielding, and further, the outer circumference thereof is covered with a synthetic resin sheath 24 to take measures against waterproofing. Further, the wire 2 is exposed by stripping the insulating coating 22 of the terminal, and the wire connecting portion 31 is connected to the exposed core wire 21. The braid 23 is exposed by stripping the sheath 24 at the end of the electric wire 2, and the exposed portion is electrically connected to the shield shell 12.

上記コネクタハウジング６は、絶縁性の合成樹脂で構成され、電線接続部３１を収容する電線接続部収容部６１と、電気接触部３４を収容する電気接触部収容部６２と、フランジ部６３と、を有している。 The connector housing 6 is made of an insulating synthetic resin, and includes an electric wire connection portion accommodating portion 61 for accommodating the electric wire connection portion 31, an electric contact portion accommodating portion 62 for accommodating the electric contact portion 34, a flange portion 63, have.

上記電線接続部収容部６１は、電気接触部３４を通す貫通孔１５が２つ設けられた底壁１４と、底壁１４の外縁部から立設した複数の側壁１６と、で四角い箱状に構成されている。また、底壁１４と相対する側には開口部１８が設けられ、複数の側壁１６のうち１つには当該側壁１６の開口部１８側の外縁部を切り欠いた電線引き出し溝１７が２つ設けられている。このような電線接続部収容部６１は、電線２の端末に取り付けられた電線接続部３１を収容するとともに筐体１０の外部に取り付けられる。また、この電線接続部収容部６１に収容される一対の電線接続部３１は、その長手方向と直交する方向に沿って平行に並べられた状態で収容される。また、電線接続部３１に圧着された電線２は、図３に示すように、電線引き出し溝１７を通されて電線接続部収容部６１の外部に引き出される。 The wire connection portion accommodating portion 61 is formed in a square box shape with a bottom wall 14 provided with two through holes 15 through which the electric contact portion 34 passes and a plurality of side walls 16 erected from an outer edge portion of the bottom wall 14. It is configured. Further, an opening 18 is provided on the side facing the bottom wall 14, and one of the plurality of side walls 16 has two wire drawing grooves 17 in which the outer edge of the side wall 16 on the opening 18 side is cut out. Is provided. Such an electric wire connection part accommodation part 61 accommodates the electric wire connection part 31 attached to the terminal of the electric wire 2, and is attached to the exterior of the housing | casing 10. FIG. Further, the pair of wire connection portions 31 accommodated in the wire connection portion accommodation portion 61 are accommodated in a state of being arranged in parallel along a direction orthogonal to the longitudinal direction. Moreover, the electric wire 2 crimped | bonded to the electric wire connection part 31 passes along the electric wire drawer groove 17, and is withdraw | derived to the exterior of the electric wire connection part accommodating part 61, as shown in FIG.

上記電気接触部収容部６２は、底壁１４から筒状に延設され、内側に設けられた挿通孔６２ａに電気接触部３４が通される。この電気接触部収容部６２は、底壁１４から離れた一端側が差し込み口１０ａに差し込まれる。このような電気接触部収容部６２は、電気接触部３４を破損・被水などから保護する。また、筐体１０の外部に位置付けられる電気接触部収容部６２の底壁１４寄りの他端部の外周には、第３シール部材としてのゴム製のＯリング１１が装着されている。このＯリング１１は、電気接触部収容部６２の他端部の外周と差し込み口１０ａの外周との間を水密に保ち、差し込み口１０ａから筐体１０内に雨水などの液体が浸入することを防止する。 The electrical contact portion accommodating portion 62 extends in a cylindrical shape from the bottom wall 14, and the electrical contact portion 34 is passed through an insertion hole 62 a provided on the inner side. One end side of the electrical contact portion accommodating portion 62 away from the bottom wall 14 is inserted into the insertion port 10a. Such an electrical contact portion accommodating portion 62 protects the electrical contact portion 34 from damage, moisture, and the like. Further, a rubber O-ring 11 as a third seal member is attached to the outer periphery of the other end portion of the electrical contact portion accommodating portion 62 positioned outside the housing 10 near the bottom wall 14. The O-ring 11 keeps watertight between the outer periphery of the other end portion of the electrical contact portion accommodating portion 62 and the outer periphery of the insertion port 10a, and prevents liquid such as rainwater from entering the housing 10 from the insertion port 10a. To prevent.

上記フランジ部６３は、底壁１４に連なり、かつ、電気接触部収容部６２を囲むように設けられている。このフランジ部６３は、筐体１０の外表面に当接して差し込み口１０ａを遮蔽する。 The flange portion 63 is connected to the bottom wall 14 and is provided so as to surround the electrical contact portion accommodating portion 62. The flange portion 63 abuts on the outer surface of the housing 10 and shields the insertion port 10a.

上記シールドシェル１２は、金属材料で構成され、鋳造、切削、プレス、またはこれらを組み合わせた加工が施されて得られるものであり、互いに別体で設けられた第１シールドシェル７と第２シールドシェル８とで構成されている。 The shield shell 12 is made of a metal material and is obtained by casting, cutting, pressing, or a combination thereof. The first shield shell 7 and the second shield provided separately from each other. It consists of a shell 8.

上記第１シールドシェル７は、フランジ部６３、電線接続部収容部６１、電線引き出し溝１７から引き出された電線２、を覆う覆い部７１と、この覆い部７１に連なり、編組２３に当接する第１接続部７２と、筐体１０に接地される接地部７３と、を有している。即ち、覆い部７１は電線接続部収容部６１の開口部１８を覆う。前記接地部７３は、ボルト孔７３ａにボルト９が通され、このボルト９が筐体１０に設けられたネジ孔１０ｂに螺合されることによって筐体１０に接地されるとともに筐体１０に固定される。このことにより、電線２に発生する電磁波は、編組２３、第１接続部７２、筐体１０を介してグランド側に吸収される。 The first shield shell 7 includes a cover portion 71 that covers the flange portion 63, the wire connection portion receiving portion 61, and the electric wire 2 drawn out from the wire lead-out groove 17, and a first portion that is in contact with the braid 23. 1 connection part 72 and grounding part 73 grounded to case 10 are provided. That is, the cover part 71 covers the opening 18 of the wire connection part accommodating part 61. The grounding portion 73 is grounded to the housing 10 and fixed to the housing 10 by passing the bolt 9 through the bolt hole 73 a and screwing the bolt 9 into a screw hole 10 b provided in the housing 10. Is done. Thereby, electromagnetic waves generated in the electric wire 2 are absorbed to the ground side via the braid 23, the first connection portion 72, and the housing 10.

上記第２シールドシェル８は、覆い部７１との間に電線接続部収容部６１を挟持する挟持部８１と、第１接続部７２との間に編組２３を挟持する第２接続部８０と、を有している。また、第２接続部８０には、編組２３及びシース２４に覆われた電線２を位置付けるための溝８２が設けられている。また、前記第１接続部７２と前記第２接続部８０とは、特許請求の範囲に記載した「接続部」を構成している。さらに、第１シールドシェル７と第２シールドシェル８とがボルトなどによって互いに固定されることにより、これらシールドシェル１２とコネクタハウジング６とが互いに固定される。 The second shield shell 8 includes a sandwiching portion 81 that sandwiches the wire connection portion accommodating portion 61 with the cover portion 71, a second connection portion 80 that sandwiches the braid 23 between the first connection portion 72, and have. The second connection portion 80 is provided with a groove 82 for positioning the electric wire 2 covered with the braid 23 and the sheath 24. The first connection portion 72 and the second connection portion 80 constitute a “connection portion” described in the claims. Further, the first shield shell 7 and the second shield shell 8 are fixed to each other by a bolt or the like, so that the shield shell 12 and the connector housing 6 are fixed to each other.

上記シール部材１３は、合成ゴムなどで構成され、電線接続部収容部６１の内部に嵌め込まれて電線接続部収容部６１の全ての内面及び覆い部７１に密着し、電線接続部収容部６１の内部を防水するものである。このシール部材１３は、底壁１４の全面及び側壁１６に密着する第１シール部材４と、第１シール部材４及び覆い部７１並びに側壁１６に密着して第１シール部材４と覆い部７１との間を水密に保つ第２シール部材５と、で構成されている。 The sealing member 13 is made of synthetic rubber or the like, and is fitted into the inside of the wire connection portion accommodation portion 61 so as to be in close contact with all the inner surfaces and the cover portions 71 of the wire connection portion accommodation portion 61. The inside is waterproofed. The seal member 13 includes a first seal member 4 that is in close contact with the entire surface of the bottom wall 14 and the side wall 16, a first seal member 4 and a cover portion 71, and a first seal member 4 and a cover portion 71 that are in close contact with the side wall 16. And a second seal member 5 that keeps the space between the two.

上記第１シール部材４と第２シール部材５とは、図１などに示すように、外形が板状に設けられており、載置板部３２の厚み方向に沿って互いに重ね合わされて密着する。これら第１シール部材４と第２シール部材５とには、互いに密着する密着面１３ａから凹に形成された凹部４２，５２がそれぞれ設けられている（図４を参照。）。この凹部４２は、図２及び図４に示すように、電線２の端末に取り付けられた電線接続部３１を収容する第１凹部４２ｂと、第１凹部４２ｂに連なって設けられた、電線２の端末を収容する第２凹部４２ａと、で構成されている。また、凹部５２も同様に、電線２の端末に取り付けられた電線接続部３１を収容する第１凹部と、第１凹部に連なって設けられた、電線２の端末を収容する第２凹部と、で構成されている。 As shown in FIG. 1 and the like, the first seal member 4 and the second seal member 5 are provided in a plate shape, and are overlapped and adhered to each other along the thickness direction of the mounting plate portion 32. . The first seal member 4 and the second seal member 5 are respectively provided with recesses 42 and 52 formed as recesses from the close contact surfaces 13a that are in close contact with each other (see FIG. 4). As shown in FIGS. 2 and 4, the concave portion 42 includes a first concave portion 42 b that houses the electric wire connecting portion 31 attached to the end of the electric wire 2, and the electric wire 2 provided continuously to the first concave portion 42 b. And a second recess 42a for accommodating the terminal. Similarly, the concave portion 52 also accommodates the first concave portion for accommodating the wire connecting portion 31 attached to the terminal of the electric wire 2, the second concave portion for accommodating the terminal of the electric wire 2 provided continuously to the first concave portion, and It consists of

このようなシール部材１３は、第１シール部材４と第２シール部材５とが重ね合わされた状態で、電線接続部収容部６１の全ての内面及び覆い部７１に密着するとともに、第１シール部材４と第２シール部材５との間に電線接続部３１を密閉する。また、端子３は、電線接続部３１が第１シール部材４の凹部４２内に収容される際に、電気接触部３４が第１シール部材４を突き破って、即ち第１シール部材４を挿通して、貫通孔１５に通され、電気接触部収容部６２の挿通孔６２ａに通される。そして、この電気接触部３４と電気接触部３４に突き破られた第１シール部材４とが密着する。これらのことにより、雨水などの液体が、貫通孔１５、開口部１８、及び電線引き出し溝１７から矢印Ａ，矢印Ｂ，矢印Ｃに沿って電線接続部収容部６１内に浸入することが防止される。即ち、電線接続部３１に液体が付着することが防止される。また、電気接触部３４を伝って筐体１０の内部からの水や油が電線接続部収容部６１側に浸入することも防止される。 Such a seal member 13 is in close contact with all inner surfaces and the cover portion 71 of the wire connection portion accommodating portion 61 in a state where the first seal member 4 and the second seal member 5 are overlapped, and the first seal member. 4 and the second seal member 5 are sealed with the wire connecting portion 31. Further, when the electric wire connecting portion 31 is accommodated in the concave portion 42 of the first seal member 4, the terminal 3 penetrates the first seal member 4, that is, the first seal member 4 is inserted. Then, it passes through the through hole 15 and passes through the insertion hole 62 a of the electrical contact portion accommodating portion 62. And this 1st seal member 4 pierced by this electrical contact part 34 and the electrical contact part 34 closely_contact | adheres. As a result, liquid such as rainwater is prevented from entering the wire connection portion accommodating portion 61 along the arrows A, B, and C from the through hole 15, the opening 18, and the wire drawing groove 17. The That is, the liquid is prevented from adhering to the wire connection portion 31. Further, it is possible to prevent water or oil from the inside of the housing 10 from entering the electric wire connecting portion accommodating portion 61 side through the electric contact portion 34.

このように本発明では、複雑な構成のシール部材や、ポッティング剤などを用いずとも、第１シール部材４と第２シール部材５との２部材で構成される簡素な構成のシール部材１３を用いることによって、電線接続部収容部６１内を確実に防水すること、即ち安定した防水性を確保すること、ができる。また、第１シール部材４、第２シール部材５、コネクタハウジング６、端子３、第１シールドシェル７、第２シールドシェル８は、互いに接着されていないので、これらを容易に分解・リサイクルすることができる。 As described above, in the present invention, the sealing member 13 having a simple configuration constituted by the two members of the first sealing member 4 and the second sealing member 5 is used without using a sealing member having a complicated configuration or a potting agent. By using it, the inside of the electric wire connection part accommodating part 61 can be reliably waterproofed, ie, the stable waterproofness can be ensured. Further, since the first seal member 4, the second seal member 5, the connector housing 6, the terminal 3, the first shield shell 7 and the second shield shell 8 are not bonded to each other, they can be easily disassembled and recycled. Can do.

また、本発明では、電気接触部３４が第１シール部材４を突き破って貫通孔１５に通される構成にしたことから、端子３の屈曲された中間部分の周囲に、第１シール部材４を密着させることが容易に行える。 In the present invention, since the electrical contact portion 34 penetrates the first seal member 4 and passes through the through hole 15, the first seal member 4 is disposed around the bent middle portion of the terminal 3. It can be easily adhered.

また、本発明では、電気接触部３４が、凹部４２が設けられることによって厚みが薄くされた第１シール部材４の薄肉部に突き刺される構成にしたことから、容易に電気接触部３４が前記薄肉部を突き破ることができる。 In the present invention, since the electrical contact portion 34 is configured to be stabbed into the thin portion of the first seal member 4 whose thickness is reduced by providing the concave portion 42, the electrical contact portion 34 can be easily thinned. You can break through the part.

前述した防水シールドコネクタ１は、以下のように組み立てられる。まず、皮剥き処理された電線２が端子３の電線接続部３１に圧着される。そして、第１シール部材４が電線接続部収容部６１内に嵌め込まれ、電線２の端末に取り付けられた端子３が開口部１８及び電線引き出し溝１７を通されてコネクタハウジング６内に挿入される。この際、電線接続部３１が凹部４２内に収容されるとともに、電気接触部３４が第１シール部材４を突き破って貫通孔１５及び挿通孔６２ａを通される。そして、第２シール部材５を第１シール部材４に重ねる。続いて、第１シールドシェル７と第２シールドシェル８との間に電線接続部収容部６１及び電線２を挟み、これら第１シールドシェル７と第２シールドシェル８とをボルトなどを用いて互いに固定する。このことにより、覆い部７１が第２シール部材５を底壁１４に向かって圧縮して該第２シール部材５と第１シール部材４とが密着する。また、編組２３が第１接続部７２と第２接続部８０とに挟持されてシールドシェル１２に電気接続される。こうして防水シールドコネクタ１が組み立てられる。 The waterproof shield connector 1 described above is assembled as follows. First, the peeled wire 2 is crimped to the wire connection portion 31 of the terminal 3. Then, the first seal member 4 is fitted into the electric wire connection portion accommodating portion 61, and the terminal 3 attached to the end of the electric wire 2 is inserted into the connector housing 6 through the opening 18 and the electric wire drawing groove 17. . At this time, the wire connecting portion 31 is accommodated in the recess 42, and the electrical contact portion 34 penetrates the first seal member 4 and passes through the through hole 15 and the insertion hole 62 a. Then, the second seal member 5 is overlaid on the first seal member 4. Subsequently, the electric wire connection portion accommodating portion 61 and the electric wire 2 are sandwiched between the first shield shell 7 and the second shield shell 8, and the first shield shell 7 and the second shield shell 8 are mutually connected using bolts or the like. Fix it. As a result, the cover 71 compresses the second seal member 5 toward the bottom wall 14 so that the second seal member 5 and the first seal member 4 are in close contact with each other. Further, the braid 23 is sandwiched between the first connection portion 72 and the second connection portion 80 and is electrically connected to the shield shell 12. Thus, the waterproof shield connector 1 is assembled.

また、前述したように組み立てられた防水シールドコネクタ１は、電気接触部収容部６２が差し込み口１０ａに差し込まれ、接地部７３がボルト９によって筐体１０に接地及び固定されることによって、筐体１０に取り付けられる。そして、差し込み口１０ａを通された電気接触部３４が前記モータの電気回路に接続されることによって、電線２及び防水シールドコネクタ１を介して前記インバータから前記モータに電力が供給される。 Further, the waterproof shield connector 1 assembled as described above has a structure in which the electrical contact portion accommodating portion 62 is inserted into the insertion port 10a, and the grounding portion 73 is grounded and fixed to the housing 10 by the bolt 9. 10 is attached. And the electric contact part 34 which let the insertion port 10a pass is connected to the electric circuit of the said motor, and electric power is supplied to the said motor from the said inverter via the electric wire 2 and the waterproof shield connector 1. FIG.

また、上述した実施形態では、電気接触部３４が、第１シール部材４に突き刺されるとともに該第１シール部材４を突き破って該第１シール部材４を挿通（貫通）する構成であったが、本発明では、上記構成以外に、予め第１シール部材に小さな穴が設けられており、この穴を押し広げるようにして電気接触部３４が前記第１シール部材を挿通する構成であっても良い。即ち、本発明では、第１シール部材を挿通した電気接触部の外周に第１シール部材が密着している構成であれば良い。 In the above-described embodiment, the electrical contact portion 34 is inserted into the first seal member 4 while penetrating the first seal member 4 and penetrating through the first seal member 4. In the present invention, in addition to the above configuration, a small hole may be provided in the first seal member in advance, and the electrical contact portion 34 may be inserted through the first seal member so as to push the hole. . That is, in the present invention, any configuration may be used as long as the first seal member is in close contact with the outer periphery of the electrical contact portion inserted through the first seal member.

また、前述した実施形態は本発明の代表的な形態を示したに過ぎず、本発明は、実施形態に限定されるものではない。即ち、本発明の骨子を逸脱しない範囲で種々変形して実施することができる。 Further, the above-described embodiments are merely representative forms of the present invention, and the present invention is not limited to the embodiments. That is, various modifications can be made without departing from the scope of the present invention.

１防水シールドコネクタ
２電線
３端子
４第１シール部材
５第２シール部材
６コネクタハウジング
１０筐体
１０ａ差し込み口
１１Ｏリング（第３シール部材）
１２シールドシェル
１３シール部材
１３ａ密着面
１４底壁
１５貫通孔
１６側壁
１７電線引き出し溝
１８開口部
２３編組（電磁波シールド部材）
３１電線接続部
３４電気接触部
４２凹部
５２凹部
６１電線接続部収容部
６２電気接触部収容部
７１覆い部
７２第１接続部（接続部）
７３接地部
８０第２接続部（接続部） DESCRIPTION OF SYMBOLS 1 Waterproof shield connector 2 Electric wire 3 Terminal 4 1st seal member 5 2nd seal member 6 Connector housing 10 Housing | casing 10a Insert 11 O ring (3rd seal member)
12 Shield Shell 13 Seal Member 13a Adhesive Surface 14 Bottom Wall 15 Through Hole 16 Side Wall 17 Wire Leading Groove 18 Opening 23 Braid (Electromagnetic Shielding Member)
31 electric wire connection part 34 electric contact part 42 concave part 52 concave part 61 electric wire connection part accommodation part 62 electric contact part accommodation part 71 cover part 72 first connection part (connection part)
73 Grounding part 80 Second connection part (connection part)

Claims

In a waterproof shield connector that is inserted into an insertion port of a casing made of a conductive material and connected to an electric circuit in the casing,
(A) an electrical contact portion that is connected to the electrical circuit through the insertion port, and an electrical wire connection portion that is connected to an end of the electrical wire whose outer periphery is covered with an electromagnetic wave shielding member and is positioned outside the housing; A terminal provided in an L shape by bending an intermediate portion between the electric contact portion and the electric wire connecting portion;
(B) A bottom wall provided with a through-hole through which the electrical contact portion passes and a plurality of side walls erected from an outer edge portion of the bottom wall, with an opening provided on the side facing the bottom wall One of the plurality of side walls is provided with a wire drawing groove in which an outer edge portion on the opening side of the side wall is notched, and accommodates the wire connection portion attached to the end of the wire and the housing. A connector housing having a wire connection portion accommodating portion attached to the outside of the body;
(C) a cover that covers the electric wire connecting portion accommodating portion and the electric wire drawn out from the electric wire drawing groove, a connecting portion that is connected to the electromagnetic wave shielding member, and a grounding portion that is grounded to the housing; A shield shell made of a conductive material having
(D) a seal member that is fitted into the inside of the wire connection portion housing portion and is in close contact with all inner surfaces of the wire connection portion housing portion and the cover portion, and is in close contact with the entire surface of the bottom wall and the side wall; A first seal member, and a first seal member, the cover portion, and a second seal member that is in close contact with the side wall and that keeps water tight between the first seal member and the cover portion. A seal member and a second seal member are sandwiched between the wire connection portion accommodating portion and the cover portion, and at least one of the first seal member and the second seal member is provided with the first seal member and the second seal. The seal member provided with a recess formed to be recessed from the close contact surface with the member and accommodating the wire connection portion attached to the end of the wire;
And
(E) The waterproof shield connector, wherein the electrical contact portion is inserted through the first seal member and passed through the through hole.

2. The waterproof shield connector according to claim 1, wherein the electrical contact portion is pierced by the first seal member and penetrates the first seal member to penetrate the first seal member.

The said contact part is pierced in the thin part of the said 1st seal member by which the said recessed part was provided in the said 1st seal member, and thickness was made thin by providing this recessed part, The Claim 2 characterized by the above-mentioned. Waterproof shield connector.

The connector housing extends in a cylindrical shape from the bottom wall, and has an electrical contact portion accommodating portion into which the electrical contact portion is passed inside and one end side away from the bottom wall is inserted into the insertion port; And the 3rd seal member which keeps between the outer periphery of the said other end part and the outer periphery of the said insertion opening in the outer periphery of the other end part near the said bottom wall of the said electrical contact part accommodating part is provided. The waterproof shield connector according to claim 1, wherein the waterproof shield connector is characterized in that: