JP5099566B2 - Waterproof connector - Google Patents

Waterproof connector Download PDF

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JP5099566B2
JP5099566B2 JP2010198528A JP2010198528A JP5099566B2 JP 5099566 B2 JP5099566 B2 JP 5099566B2 JP 2010198528 A JP2010198528 A JP 2010198528A JP 2010198528 A JP2010198528 A JP 2010198528A JP 5099566 B2 JP5099566 B2 JP 5099566B2
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plug
receptacle
shield member
substrate
housing
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JP2012059381A (en
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龍太郎 ▲たか▼野
直之 小野
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SMK Corp
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SMK Corp
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Description

本発明は、Ｍｉｃｒｏ―ＵＳＢコネクタ、ＵＳＢコネクタ等のコネクタであって、防水機能を有する防水機能付きコネクタに関する。   The present invention relates to a connector with a waterproof function, such as a Micro-USB connector or a USB connector, which has a waterproof function.

従来、Ｍｉｃｒｏ−ＵＳＢコネクタやＵＳＢコネクタ等のコネクタにあっては、プラグがレセプタクルに挿入されることにより互いの接触端子が接触し、電気的に接続がなされるようにしたものが提供されている（例えば、特許文献１）。   Conventionally, in a connector such as a Micro-USB connector or a USB connector, a plug is inserted into a receptacle so that the contact terminals come into contact with each other and are electrically connected. (For example, patent document 1).

この種のＭｉｃｒｏ−ＵＳＢコネクタやＵＳＢコネクタ等のコネクタでは、プラグが挿入されるプラグ挿入部１００を有するハウジング１０１を備え、このハウジング１０１は、レセプタクル側接触端子１０２，１０２...を支持するモールド部材１０３と、導電性金属材を折り曲げ加工することにより形成された筒状のシールド部材１０４とをもって構成されたものが知られている。   This type of connector, such as a Micro-USB connector or a USB connector, includes a housing 101 having a plug insertion portion 100 into which a plug is inserted. The housing 101 is a mold that supports the receptacle-side contact terminals 102, 102. A member constituted by a member 103 and a cylindrical shield member 104 formed by bending a conductive metal material is known.

モールド部材１０３は、図１１に示すように、シールド部材１０４の後端部に嵌め込まれる後壁部１０５と、後壁部の前面に突出した平板状の端子支持部１０６とを有し、絶縁性樹脂部材をもって成形されている。   As shown in FIG. 11, the mold member 103 has a rear wall portion 105 fitted into the rear end portion of the shield member 104 and a flat terminal support portion 106 protruding from the front surface of the rear wall portion, and has an insulating property. It is molded with a resin member.

このモールド部材１０３には、複数のレセプタクル側接触端子１０２，１０２...が一体的に成形されることにより支持されている。   A plurality of receptacle-side contact terminals 102, 102... Are supported on the mold member 103 by being integrally molded.

この接触端子は、端子支持部１０６の上面にプラグ側接触端子と接触される接触片１０２ａを露出させた状態、且つ基板に接続される基板接触片１０２ｂを後壁部１０５の後側面より後方に突出させた状態になっている。   In this contact terminal, the contact piece 102a that is in contact with the plug-side contact terminal is exposed on the upper surface of the terminal support portion 106, and the substrate contact piece 102b that is connected to the substrate is located behind the rear side surface of the rear wall portion 105. It is in a protruding state.

この種のコネクタでは、シールド部材１０４とモールド部材１０３とを別個に成形しておき、モールド部材１０３をシールド部材１０４の背面側より挿入し、シールド部材１０４の後端部に嵌め込み、シールド部材の天板の後縁部より固定用片部１０７及び基板接続端子部１０８，１０８を下向きに折り曲げてモールド部材後壁部１０５の後背面を押圧させて固定する構造になっている。   In this type of connector, the shield member 104 and the mold member 103 are formed separately, the mold member 103 is inserted from the back side of the shield member 104, and is fitted into the rear end portion of the shield member 104, so that the top of the shield member is inserted. The fixing piece 107 and the board connection terminal portions 108 and 108 are bent downward from the rear edge portion of the plate, and the rear surface of the mold member rear wall portion 105 is pressed and fixed.

また、シールド部材１０４には、天板又は底板を貫通した係止用孔１０９，１０９が形成されており、この孔にプラグに形成された係止用弾性片が嵌り込むことにより互いに係止され、抜け止めがなされるようになっている。   The shield member 104 is formed with locking holes 109 and 109 penetrating the top plate or the bottom plate, and the locking elastic pieces formed on the plugs are fitted into the holes to be locked to each other. , And come to be prevented.

特開２００３−４４４７２号公報JP 2003-44472 A

上述した従来のコネクタは、シールド部材にモールド部材の後壁部を嵌め込み組立てる構造であるため、各部材間即ち、シールド部材とモールド部材との間に嵌め合い用の隙間（クリアランス）を有しており、プラグ挿入部内に水滴等が侵入した際にこの隙間から水滴が当該コネクタを取り付けた機器の内部に侵入してしまう虞があるという問題があった。   Since the conventional connector described above has a structure in which the rear wall portion of the mold member is fitted and assembled to the shield member, there is a fitting clearance (clearance) between the members, that is, between the shield member and the mold member. In addition, when water drops or the like enter the plug insertion portion, there is a problem that the water drops may enter the inside of the device to which the connector is attached from this gap.

また、この種のコネクタでは、シールド部材を貫通する係止孔を形成したことにより、プラグ挿入部の開口部より侵入した水滴等がこの係止孔から機器内部に侵入してしまう虞があるという問題があった。   Further, in this type of connector, the formation of a locking hole that penetrates the shield member may cause water droplets or the like that have entered from the opening of the plug insertion portion to enter the device from the locking hole. There was a problem.

本発明は、このような従来の問題に鑑み、防水機能を有する防水機能付きコネクタの提供を目的としてなされたものである。   The present invention has been made for the purpose of providing a waterproof connector having a waterproof function in view of such a conventional problem.

上述の如き従来の問題を解決し、所期の目的を達成するための請求項1に記載の発明の特徴は、プラグが挿入されるプラグ挿入部が前面に開口されたハウジングと、該ハウジングに支持され前記プラグ挿入部内に露出した複数のレセプタクル側接触端子とを備え、該ハウジングは、基板に接続される基板接続端子部を有する筒状のシールド部材と、前記レセプタクル側接触端子を支持するモールド部材とをもって構成され、前記プラグが前記挿入口に挿入されることにより前記プラグに支持されたプラグ側接触端子と前記レセプタクル側接触端子とが接触されるようにしてなるコネクタであって、前記モールド部材は、前記基板接続端子部を露出させた状態で前記シールド部材の筒状外側面及び後側開口を覆う防水用被覆部を備え、インサート成型により前記シールド部材及びレセプタクル側接触端子と一体化された防水機能付きコネクタにある。   In order to solve the conventional problems as described above and achieve an intended object, the feature of the invention described in claim 1 is that a housing in which a plug insertion portion into which a plug is inserted is opened on the front surface, A plurality of receptacle-side contact terminals supported and exposed in the plug insertion portion, the housing having a cylindrical shield member having a substrate connection terminal portion connected to the substrate, and a mold for supporting the receptacle-side contact terminals A plug-side contact terminal supported by the plug and the receptacle-side contact terminal when the plug is inserted into the insertion port, wherein the mold is a mold. The member includes a waterproof covering portion that covers a cylindrical outer surface and a rear opening of the shield member in a state where the board connection terminal portion is exposed, and an insert A connector with a waterproof function integrated with the shield member and the receptacle-side contact terminal by molding.

請求項２に記載の発明の特徴は、請求項１の構成に加え、シールド部材の外側面には、外向きに窪んだ係止用凹部を備えたことにある。   A feature of the invention described in claim 2 is that, in addition to the configuration of claim 1, the outer surface of the shield member is provided with a locking recess recessed outward.

請求項３に記載の発明の特徴は、請求項２の構成に加え、前記係止用凹部の外側面を前記防水用被覆部の外側面に露出させたことにある。   According to a third aspect of the present invention, in addition to the configuration of the second aspect, the outer surface of the locking recess is exposed to the outer surface of the waterproof covering portion.

本発明に係るカードコネクタは、上述したように、プラグが挿入されるプラグ挿入部が前面に開口されたハウジングと、該ハウジングに支持され前記プラグ挿入部内に露出した複数のレセプタクル側接触端子とを備え、該ハウジングは、基板に接続される基板接続端子部を有する筒状のシールド部材と、前記レセプタクル側接触端子を支持するモールド部材とをもって構成され、前記プラグが前記挿入口に挿入されることにより前記プラグに支持されたプラグ側接触端子と前記レセプタクル側接触端子とが接触されるようにしてなるコネクタであって、前記モールド部材は、前記基板接続端子部を露出させた状態で前記シールド部材の筒状外側面及び後側開口を覆う防水用被覆部を備え、インサート成型により前記シールド部材及びレセプタクル側接触端子と一体化されたことにより、プラグ挿入部内に侵入した水滴等がレセプタクルを取り付けた機器内部に流れ込むのを防止し、高価な特殊合成樹脂を使用せずとも水の飛沫や噴流に対する保護が十分になされる。   As described above, the card connector according to the present invention includes a housing in which a plug insertion portion into which a plug is inserted is opened on the front surface, and a plurality of receptacle-side contact terminals supported by the housing and exposed in the plug insertion portion. The housing includes a cylindrical shield member having a substrate connection terminal portion connected to the substrate, and a mold member that supports the receptacle-side contact terminal, and the plug is inserted into the insertion port. The plug-side contact terminal supported by the plug and the receptacle-side contact terminal are in contact with each other, wherein the mold member is configured to expose the board connection terminal portion and the shield member. Provided with a waterproof covering for covering the cylindrical outer surface and the rear opening, and the shield member and the receptor by insert molding This prevents the water droplets that have entered the plug insertion part from flowing into the equipment with the receptacle attached, and prevents splashing or jetting of water without using expensive special synthetic resin. Full protection is provided.

また、本発明において、シールド部材の外側面には、外向きに窪んだ係止用凹部を備えたことにより、防水効果を発揮しつつプラグを好適に係止させることができる。   In the present invention, the outer surface of the shield member is provided with a locking recess that is recessed outward, so that the plug can be locked properly while exhibiting a waterproof effect.

更に本発明において、前記係止用凹部の外側面を前記モールド部材の外側面に露出させたことにより、コネクタ高さを抑えるとともに、モールド部材に対するシールド部材の前後方向の移動を規制することができ、強固に一体化がなされる。   Furthermore, in the present invention, by exposing the outer surface of the locking recess to the outer surface of the mold member, the height of the connector can be suppressed and the movement of the shield member relative to the mold member can be restricted. Strong integration is achieved.

本発明に係る防水機能付きコネクタの一例を示す分解斜視図である。It is a disassembled perspective view which shows an example of the connector with a waterproof function which concerns on this invention. 図１中のレセプタクルを示す斜視図である。It is a perspective view which shows the receptacle in FIG. 同上のレセプタクルを底背面側から見た斜視図である。It is the perspective view which looked at the receptacle same as the above from the bottom back side. 図２中のａ−ａ線断面図である。It is the sectional view on the aa line in FIG. 同上のｂ−ｂ線断面図である。It is a bb line sectional view same as the above. 図１中の基板を示す平面図である。It is a top view which shows the board | substrate in FIG. 図２中のシールド部材を示す斜視図である。FIG. 3 is a perspective view showing a shield member in FIG. 2. （ａ）は同上のシールド部材を示す平面図、（ｂ）は同底面図、（ｃ）は同側面図、（ｄ）は同背面図である。(A) is a top view which shows a shield member same as the above, (b) is the bottom view, (c) is the side view, (d) is the back view. 本発明に係る防水機能付きコネクタの取り付け状態の一例を示す正面図である。It is a front view which shows an example of the attachment state of the connector with a waterproof function which concerns on this invention. （ａ）は図１中のプラグを示す正面図、（ｂ）は同平面図、（ｃ）は同底面図、（ｄ）は同側面図である。(A) is the front view which shows the plug in FIG. 1, (b) is the top view, (c) is the bottom view, (d) is the side view. （ａ）は従来のコネクタを構成するレセプタクルの一例を示す斜視図、（ｂ）は同背面側から見た斜視図、（ｃ）は同分解斜視図である。(A) is a perspective view which shows an example of the receptacle which comprises the conventional connector, (b) is the perspective view seen from the back side, (c) is the exploded perspective view.

次に、本発明の実施の態様を、図面に示した実施例に基づいて説明する。   Next, embodiments of the present invention will be described based on the embodiments shown in the drawings.

図１は本発明に係る防水機能付きコネクタの一例を示し、図中符号Ａはレセプタクル、ＢはＭｉｃｒｏ−ＵＳＢプラグ等のプラグ、ＣはＰＣＢ等の基板である。   FIG. 1 shows an example of a connector with a waterproof function according to the present invention, in which A is a receptacle, B is a plug such as a Micro-USB plug, and C is a substrate such as PCB.

レセプタクルＡは、図２〜図５に示すように、前面に開口したプラグ挿入部１を有するハウジング２と、ハウジング２に支持された複数のレセプタクル側接触端子３，３...とを備え、プラグ挿入部１内にプラグＢが挿入されることにより、レセプタクル側接触端子３，３...がプラグＢのプラグ側接触端子４，４...と接触し、レセプタクルＡとプラグＢとが電気的に接続されるようになっている。   As shown in FIGS. 2 to 5, the receptacle A includes a housing 2 having a plug insertion portion 1 opened on the front surface, and a plurality of receptacle-side contact terminals 3, 3. When the plug B is inserted into the plug insertion portion 1, the receptacle-side contact terminals 3, 3 ... contact the plug-side contact terminals 4, 4 ... of the plug B, so that the receptacle A and the plug B are connected to each other. It is designed to be electrically connected.

尚、本明細書においては、「前」はプラグ挿入部開口側をいい、「後」はプラグ挿入部奥側をいうものとする。   In this specification, “front” refers to the plug insertion portion opening side, and “rear” refers to the plug insertion portion back side.

また、レセプタクルＡは、所謂ミッドマウント方式により基板Ｃに支持され、図６に示す基板Ｃの前縁部に形成された切欠き部５に嵌り込み、略上半部分のみが基板上に配置されるようになっている。   Further, the receptacle A is supported on the substrate C by a so-called mid-mount method, and fits into a notch portion 5 formed in the front edge portion of the substrate C shown in FIG. 6, and only the substantially upper half portion is disposed on the substrate. It has become so.

ハウジング２は、筒状のシールド部材６と、絶縁性合成樹脂部材からなるモールド部材７とを一体的に成形、即ちシールド部材６を成形金型内にセットした状態でインサート成型することにより形成され、防水用被覆部８がシールド部材６の筒状外側面及び後側開口を覆うように形成され、前面にプラグＢが挿入されるプラグ挿入部１が開口されている。   The housing 2 is formed by integrally molding a cylindrical shield member 6 and a mold member 7 made of an insulating synthetic resin member, that is, insert molding with the shield member 6 set in a molding die. The waterproof covering portion 8 is formed so as to cover the cylindrical outer surface and the rear opening of the shield member 6, and the plug insertion portion 1 into which the plug B is inserted is opened on the front surface.

シールド部材６は、図７、図８に示すように、平板状の天板部１０と、天板部１０の両側縁を下向きに折り曲げた形状の左右の側壁板部１１，１２と、左右の側壁板部１１，１２の下縁内側に配置された底板部１３とを一体に有し、導電性金属板材を打ち抜き・曲げ加工することにより前後が開口した四角形筒状に形成され、この筒状部内はプラグＢが挿入されるプラグ挿入部１を形成している。   As shown in FIGS. 7 and 8, the shield member 6 includes a flat top plate portion 10, left and right side wall plate portions 11 and 12 that are formed by bending both side edges of the top plate portion 10 downward, It is integrally formed with a bottom plate portion 13 disposed inside the lower edges of the side wall plate portions 11 and 12, and is formed into a rectangular tube shape whose front and rear are opened by punching and bending a conductive metal plate material. Inside the part, a plug insertion part 1 into which the plug B is inserted is formed.

尚、底板部１３は、左右の側壁板部１１，１２の下縁より内向きに折り曲げた形状の左右の底板材１３ａ，１３ｂの内側端縁部を互いに突き合わせて嵌め合せることにより一枚の平板状に形成されている。また、底板部１３には、係止用凹部１４，１４が形成されている。   The bottom plate portion 13 is formed as a single flat plate by fitting the inner edge portions of the left and right bottom plate members 13a and 13b, which are bent inward from the lower edges of the left and right side wall plate portions 11 and 12, abutting each other. It is formed in a shape. The bottom plate portion 13 is formed with locking recesses 14 and 14.

係止用凹部１４は、絞り加工により外側に凹んだ平皿状に形成され、底板部１３の内外部側は非貫通状態で水滴等を通さないようになっている。尚、この係止用凹部１４の外側面は防水用被覆部８の下面に露出させている。   The locking recess 14 is formed in a flat dish shape that is recessed outward by drawing, and the inner and outer sides of the bottom plate portion 13 are non-penetrating so as not to pass water drops or the like. The outer surface of the locking recess 14 is exposed on the lower surface of the waterproof covering 8.

また、シールド部材６には、ＰＣＢ等の基板Ｃに接続される横向き基板接続端子部１５と、後向き基板接続端子部１６とを一体に備えている。   Further, the shield member 6 is integrally provided with a lateral board connection terminal portion 15 connected to the board C such as a PCB and a rear board connection terminal portion 16.

横向き基板接続端子部１５は、左右の側壁板部１１，１２より水平横向きに伸長した形状の横向き水平延長部１７と、その横向き水平延長部１７の先端側縁を下向きに折り曲げた形状の下向き端子部１８とを以て構成されている。   The horizontal board connection terminal portion 15 includes a horizontal horizontal extension portion 17 having a shape that extends horizontally from the left and right side wall plate portions 11 and 12, and a downward terminal having a shape in which the side edge of the horizontal horizontal extension portion 17 is bent downward. The unit 18 is configured.

尚、横向き基板接続端子部１５は、天板部１０及び左右の側壁板部１１，１２を形成する板材の一部を横向き水平延長部の基端を残して横向き基板接続端子部１５の外形に合わせて切り出し、その切り出した部分を折り曲げることにより形成されている。よって、天板部１０から側壁板部１１，１２に渡って切り出し孔１９，１９が形成されている。   In addition, the horizontal board connection terminal portion 15 has the outer shape of the horizontal board connection terminal portion 15 except for a base end of the horizontal horizontal extension portion of a part of the plate material forming the top plate portion 10 and the left and right side wall plate portions 11 and 12. It is formed by cutting out together and bending the cut out portion. Therefore, cutout holes 19 and 19 are formed from the top plate portion 10 to the side wall plate portions 11 and 12.

下向き端子部１８の下側側縁部には、切欠き凹部１８ａ，１８ａが形成されており、下向き端子部１８が基板Ｃに形成された挿通孔（スルーホール）２０に挿入され、半田付けされた際に、半田が挿通孔２０内に流れ込むと共に切欠き凹部１８ａ内にも流れ込み、半田が固化することにより強固に固定されるようになっている。   Cutout recesses 18a, 18a are formed on the lower side edge of the downward terminal portion 18, and the downward terminal portion 18 is inserted into an insertion hole (through hole) 20 formed in the substrate C and soldered. At this time, the solder flows into the insertion hole 20 and also flows into the notch recess 18a, and the solder is solidified to be firmly fixed.

後向き基板接続端子部１６は、天板部１０の側部後縁より後方に延長された形状の後向き水平延長片部２１と、側壁板部１１，１２の上部後縁より後方に延長された形状の後向き鉛直延長片部２２と、後向き水平延長片部２１の後縁より下向きに折り曲げた形状の下向き端子片部２３とが一体に形成されている。   The rearward-facing board connection terminal portion 16 has a rearward horizontal extension piece 21 having a shape extending rearward from the side rear edge of the top plate portion 10 and a shape extending rearward from the upper rear edges of the side wall plate portions 11 and 12. The rearward vertical extension piece 22 and the downward terminal piece 23 bent downward from the rear edge of the rearward horizontal extension piece 21 are integrally formed.

後向き水平延長片部２１の後縁には、切欠きを形成することにより下向き端子片部２３が折り曲げやすくなっている。   By forming a notch in the rear edge of the rearward horizontal extension piece portion 21, the downward terminal piece portion 23 is easily bent.

後向き鉛直延長片部２２は、後向き水平延長片部２１の側縁より下向きに折り曲げた形状に形成されており、天板部１０に対し側壁板部１１，１２が折り曲げ加工されるのに伴い後向き鉛直延長片部２２も後向き水平延長片部２１に対し折り曲げられている。   The rearward vertical extension piece 22 is formed in a shape that is bent downward from the side edge of the rearward horizontal extension piece 21, and is rearward as the side wall plate portions 11 and 12 are bent with respect to the top plate portion 10. The vertical extension piece 22 is also bent with respect to the rearward horizontal extension piece 21.

また、後向き鉛直延長片部２２は、その下縁部が基板Ｃの固定パターン２４に半田付けされ、ハウジング２が基板Ｃに固定されるようになっている。   Further, the rearward vertical extension piece portion 22 is soldered to the fixing pattern 24 of the substrate C so that the housing 2 is fixed to the substrate C.

下向き端子片部２３は、下向き端子片部２３が基板Ｃに形成された挿通孔（スルーホール）２５に挿入され、半田付けされることにより半田が挿通孔２５内に流れ込み、下向き端子片部２３と挿通孔内面とが半田により強固に固定されるようになっている。   The downward terminal piece portion 23 is inserted into an insertion hole (through hole) 25 formed in the substrate C and soldered so that the solder flows into the insertion hole 25, and the downward terminal piece portion 23. And the inner surface of the insertion hole are firmly fixed by solder.

尚、この下向き端子片部２３は、インサート成型前においては後向き水平延長片部２１の後縁より水平方向に延長されており、インサート成型後下向きに折り曲げられて形成される。   The downward terminal piece 23 extends in the horizontal direction from the rear edge of the rearward horizontal extension piece 21 before the insert molding, and is bent downward after the insert molding.

モールド部材７は、シールド部材６の筒状外側面及び後ろ開口を覆う防水用被服部８を備え、インサート成型によりシールド部材６及びレセプタクル側接触端子３と一体化されている。   The mold member 7 includes a waterproof clothing portion 8 that covers the cylindrical outer surface of the shield member 6 and the rear opening, and is integrated with the shield member 6 and the receptacle-side contact terminal 3 by insert molding.

防水用被覆部８は、シールド部材６の後側開口を閉鎖する後壁部３１と、後壁部３１の周縁より前方に向けて伸長した形状の上下左右の版部３２，３３，３４，３５とを以て一体に構成され、上下左右の版部３２，３３，３４，３５はそれぞれシールド部材６の天板部１０、底板部１３及び左右の側壁板部１１，１２の外側面に密着し被覆するようになっており、後壁部３１及び上下左右の版部３２，３３，３４，３５により前面のみが開口した筒状をなしている。   The waterproof covering portion 8 includes a rear wall portion 31 that closes the rear opening of the shield member 6, and upper, lower, left, and right plate portions 32, 33, 34, and 35 that extend forward from the periphery of the rear wall portion 31. The upper, lower, left and right plate portions 32, 33, 34, 35 are in close contact with and cover the outer surfaces of the top plate portion 10, the bottom plate portion 13 and the left and right side wall plate portions 11, 12 of the shield member 6, respectively. In this way, the rear wall 31 and the upper, lower, left and right plate portions 32, 33, 34, and 35 form a cylindrical shape with only the front surface opened.

後壁部３１は、矩形状に形成され、その後背面より後向き基板接続端子１６，１６が後方に突出した状態で露出するようになっている。   The rear wall portion 31 is formed in a rectangular shape, and is then exposed in a state where the rearward substrate connection terminals 16 and 16 protrude rearward from the back surface.

尚、この後壁部３１に対する後向き基板接続端子突出部分の基端部にあっては、インサート成型したことにより後壁部３１をなす合成樹脂部材と後向き基板接続端子部１６表面とが密着した状態にあり、水の飛沫や噴流に対して保護がなされる程度、即ち水の飛沫又はノズルによる噴流水によっても有害な影響が出ない程度に水を通さないようになっている。   In addition, in the base end part of the backward board | substrate connection terminal protrusion part with respect to this rear wall part 31, the synthetic resin member which makes the rear wall part 31 and the surface of the backward board | substrate connection terminal part 16 contact | adhered by insert molding Therefore, water is prevented from passing to the extent that it is protected against splashes and jets of water, that is, to the extent that harmful effects are not produced even by splashes of water or jet water from nozzles.

後壁部３１の前面の中央下側には、前方に突出した平板状の端子支持部３６が一体に形成され、シールド部材６の内側、即ちプラグ挿入部１内に突出した状態に支持されている。   A flat plate-like terminal support portion 36 that protrudes forward is integrally formed at the lower center of the front surface of the rear wall portion 31, and is supported so as to protrude inside the shield member 6, that is, in the plug insertion portion 1. Yes.

この端子支持部３６の上面部には、横方向に並べた配置に複数の前後方向の端子収容溝３７，３７...が形成されており、この端子収容溝３７に沿ってレセプタクル側接触端子３の接触片部３８が上面側を露出させた状態で支持されている。   A plurality of front and rear terminal receiving grooves 37, 37... Are formed on the upper surface of the terminal support 36 in a lateral arrangement, and the receptacle-side contact terminals are formed along the terminal receiving grooves 37. The three contact pieces 38 are supported with the upper surface side exposed.

下版部３３には、シールド部材６の係止用凹部１４が埋め込まれ、且つ係止用凹部１４の下面が露出した状態になっており、前後方向での抜け止めの効果も担っている。   In the lower plate portion 33, the locking recess 14 of the shield member 6 is embedded, and the lower surface of the locking recess 14 is exposed, which also has the effect of preventing the removal in the front-rear direction.

尚、係止用凹部１４は底板部１３の板圧方向で貫通していないので、下版部３３の下面と係止用凹部１４の下面とを同一平面上とし、係止用凹部１４を下版部の下面に露出させても、プラグ挿入部内に侵入した水滴等を通さないようになっている。   Since the locking recess 14 does not penetrate in the plate pressure direction of the bottom plate portion 13, the lower surface of the lower plate portion 33 and the lower surface of the locking recess 14 are on the same plane, and the locking recess 14 is Even if it is exposed on the lower surface of the plate portion, water droplets or the like that have entered the plug insertion portion are prevented from passing therethrough.

また、シールド部材の天板部から左右の側壁板部にかけて形成された切り出し孔１９，１９には、成形時に上版部及び左右版部と一体に合成樹脂材が充填され、塞がれるようになっている。   Further, the cutout holes 19 and 19 formed from the top plate portion of the shield member to the left and right side wall plate portions are filled with a synthetic resin material integrally with the upper plate portion and the left and right plate portions at the time of molding so as to be blocked. It has become.

この左右の版部３４，３５には、支持兼押さえ用凸部４０が一体に形成され、この凸部４０が基板Ｃの切欠き部５側縁部に支持されるようになっている。   The left and right plate portions 34 and 35 are integrally formed with a convex portion 40 for supporting and pressing, and the convex portion 40 is supported by the side edge of the notch portion 5 of the substrate C.

この支持兼押さえ用凸部４０は、上面及び下面が平らに形成され、上下両面が互いに平行な平面を形成するようになっている。   The supporting and pressing convex portion 40 is formed such that the upper surface and the lower surface are flat and the upper and lower surfaces are parallel to each other.

また、この支持兼押さえ用凸部４０は、横向き基板接続端子部１５の横向き水平延長部１７が内部を貫通した状態に成形され、横向き水平延長部１７の強度を高める効果を奏している。   Further, the supporting and pressing convex portion 40 is formed in a state in which the horizontal horizontal extension 17 of the horizontal board connection terminal portion 15 penetrates the inside, and has an effect of increasing the strength of the horizontal horizontal extension 17.

尚、支持兼押さえ用凸部４０をなす合成樹脂部材と横向き水平延長部１７の外面とは、密着した状態にあり、水の飛沫や噴流に対して保護がなされる程度、即ち水の飛沫又はノズルによる噴流水によっても有害な影響が出ない程度に水を通さないようになっている。   It should be noted that the synthetic resin member forming the supporting and pressing convex portion 40 and the outer surface of the laterally extending horizontal portion 17 are in close contact with each other, and are protected to the extent that they are protected against water splashes and jets, that is, water splashes or Water is prevented from passing to the extent that harmful effects are not produced even by jet water from the nozzle.

また、図９に示すように、この支持兼押さえ用凸部４０が基板対応支持手段を介して基板Ｃと機器躯体Ｄとの間に挟み込まれるようにしてもよい。   Further, as shown in FIG. 9, the supporting / pressing convex portion 40 may be sandwiched between the substrate C and the device housing D via the substrate-corresponding supporting means.

基板対応支持手段は、ハウジング２の基板Ｃに支持される部分（支持兼押さえ用凸部４０）の上側に配置され、且つ、その上面部がハウジング２の基板に支持されていない部分、即ち、切欠き部５に嵌り込んでいる部分の上面より高い位置になるように形成されている。   The substrate-corresponding support means is disposed above the portion of the housing 2 that is supported by the substrate C (supporting / pressing convex portion 40), and the upper surface portion thereof is not supported by the substrate of the housing 2, that is, It forms so that it may become a position higher than the upper surface of the part currently fitted in the notch part 5. FIG.

基板対応受け手段には、押え金具４１を使用し、この押え金具４１は、矩形状の躯体受け部４２と、躯体受け部４２の側縁より下向きに折り曲げた形状の鉛直ストッパー部４３とを有し、金属材をもって一体に形成されている。   A holding metal fitting 41 is used as the substrate-corresponding receiving means, and this holding metal fitting 41 has a rectangular housing receiving portion 42 and a vertical stopper portion 43 that is bent downward from the side edge of the housing receiving portion 42. However, it is integrally formed with a metal material.

躯体受け部４２は、一定の厚さ、即ち支持兼押さえ用凸部４０上に載置された際に、躯体受け部４２の上面がハウジング２の上面（上版部３２）より高い位置となるような厚さの平板状に形成されている。   The housing receiving portion 42 has a certain thickness, that is, when the housing receiving portion 42 is placed on the support / pressing convex portion 40, the upper surface of the housing receiving portion 42 is higher than the upper surface (upper plate portion 32) of the housing 2. It is formed in a flat plate shape with such a thickness.

鉛直ストッパー部４３は、躯体受け部４の側縁より下向きに延長され、その上下方向高さは、凸部４０の上下方向高さと同じ若しくはやや短く形成され、機器躯体Ｄに押圧された際に基板Ｃに当接されるようになっている。   The vertical stopper portion 43 extends downward from the side edge of the housing receiving portion 4, and its vertical height is the same as or slightly shorter than the vertical height of the convex portion 40, and is pressed by the device housing D. It is configured to come into contact with the substrate C.

このように構成されたレセプタクルＡは、支持兼押さえ用凸部４０が押え金具４１を介して基板Ｃと機器躯体Ｄとの間に挟み込まれ、それによりハウジング２が基板Ｃに固定されるようになっている。   In the receptacle A configured as described above, the support / holding convex portion 40 is sandwiched between the substrate C and the device housing D via the presser fitting 41 so that the housing 2 is fixed to the substrate C. It has become.

このとき、ハウジング２の基板に支持されていない部分、即ち、切欠き部５に嵌り込んでいる部分は、直接機器躯体Ｄに直接押圧されることがなく、従ってハウジング２の基板Ｃに支持されていない部分の上面に分布荷重が生じず、基板Ｃと機器躯体Ｄとの間に挟み込まれた部分にのみ力が作用するので、レセプタクルＡと基板Ｃとの間に生じるせん断力を抑え、レセプタクルＡ及び基板Ｃの撓みを抑えることができ、更に、接触端子の浮きによる半田はがれ等を防止できる。   At this time, the portion of the housing 2 that is not supported by the substrate, that is, the portion that is fitted into the notch 5 is not directly pressed by the device housing D, and is therefore supported by the substrate C of the housing 2. Since no distributed load is generated on the upper surface of the unoccupied portion, and a force acts only on the portion sandwiched between the substrate C and the equipment housing D, the shearing force generated between the receptacle A and the substrate C is suppressed, and the receptacle The bending of A and the substrate C can be suppressed, and solder peeling or the like due to floating of the contact terminals can be prevented.

また、鉛直ストッパー部４３の高さが凸部４０の高さと同じ若しくはやや短く形成されていることにより、凸部４０を基板Ｃと機器躯体Ｄとの間に挟み込むことができるとともに、その挟み込む力が過度に作用しないようにするストッパーの役目を担っている。   Further, since the height of the vertical stopper portion 43 is formed to be the same as or slightly shorter than the height of the convex portion 40, the convex portion 40 can be sandwiched between the substrate C and the device housing D, and the clamping force thereof. It plays the role of a stopper that prevents excessive action.

レセプタクル側接触端子３は、長板状の接触片部３８と、接触片部３８の後縁より斜め上方向に折り曲げた形状の支持片部４５と、支持片部４５の後縁より水平方向後側に延長された後側延長片部４６と、後側延長片部４６の後端に一体に支持された基板接続片部４７とを一体に有し、導電性板材を打ち抜き・折り曲げ加工することにより形成されている。   The receptacle-side contact terminal 3 includes a long plate-shaped contact piece 38, a support piece 45 that is bent obliquely upward from the rear edge of the contact piece 38, and a rear side in the horizontal direction from the rear edge of the support piece 45. A rear extension piece 46 extended to the side and a board connection piece 47 integrally supported at the rear end of the rear extension piece 46, and punching and bending the conductive plate material; It is formed by.

接触片部３８は、その前側端部に前方斜め下向きに折り曲げた形状の受け入れ部３８ａが形成されている。   The contact piece portion 38 is formed with a receiving portion 38 a having a shape that is bent obliquely forward and downward at the front end portion thereof.

支持片部４５は、インサート成型時にモールド部材７の後壁部３１内に一体化されて埋め込まれ、レセプタクル側接触端子３，３...をモールド部材７に固定するようになっている。   The support piece 45 is integrated and embedded in the rear wall 31 of the mold member 7 at the time of insert molding, and the receptacle-side contact terminals 3, 3... Are fixed to the mold member 7.

尚、後壁部３１をなす合成樹脂部材と支持片部４５の外面とは、インサート成型により密着した状態にあり、水の飛沫や噴流に対して保護がなされる程度、即ち水の飛沫又はノズルによる噴流水によっても有害な影響が出ない程度に水を通さないようになっている。   The synthetic resin member forming the rear wall portion 31 and the outer surface of the support piece 45 are in close contact with each other by insert molding, and are protected to the extent that they are protected against water splashes and jets, that is, water splashes or nozzles. Water is not allowed to pass to the extent that harmful effects are not produced even by jet water.

基板接続片部４７は、後側延長片部４６の後縁より斜め下向きに折り曲げた形状の下向き片部４８と、下向き片部の後縁より水平方向後側に延長された基盤接続端子４９により構成され、インサート成型前においては、後側延長片部４６、下向き片部４８及び基板接続端子４９が水平方向後方に一直線上に配置され、インサート成型後折り曲げ加工により下向き片部４８を形成するようになっている。   The board connection piece 47 includes a downward piece 48 bent obliquely downward from the rear edge of the rear extension piece 46 and a base connection terminal 49 extended from the rear edge of the downward piece horizontally to the rear side. Before the insert molding, the rear extension piece 46, the downward piece 48 and the board connection terminal 49 are arranged in a straight line on the rear side in the horizontal direction, and the downward piece 48 is formed by bending after the insert molding. It has become.

尚、基板接続端子４９は、基板Ｃの接続パターン５０，５０に半田付けにより接続されるようになっている。   The board connection terminal 49 is connected to the connection patterns 50 and 50 of the board C by soldering.

プラグＢは、合成樹脂製のカバー部６０の先端に突出した状態で支持された差し込み部６１を有し、該差し込み部６１がプラグ挿入部１内に挿入されるようになっている。   The plug B has an insertion portion 61 supported in a state protruding from the tip of a synthetic resin cover portion 60, and the insertion portion 61 is inserted into the plug insertion portion 1.

差し込み部６１は、図１０に示すように、筒状のシールド部６２と、シールド部６２内に配置されたモールド部６３と、モールド部６３に支持された複数のプラグ側接触端子４，４...とを備え、レセプタクル側に開口した端子支持部挿入部６５が形成され、プラグ挿入部内に突出した端子支持部３６が挿入されるようになっている。   As shown in FIG. 10, the insertion part 61 includes a cylindrical shield part 62, a mold part 63 disposed in the shield part 62, and a plurality of plug-side contact terminals 4 and 4 supported by the mold part 63. And a terminal support portion insertion portion 65 opened to the receptacle side is formed, and the terminal support portion 36 protruding into the plug insertion portion is inserted.

モールド部６３は、カバー部６０の前端面より突出した断面四角形状に形成されており、その下面部に端子支持部挿入部６５が形成され、端子支持部挿入部内に弾性接触部が突出するようにプラグ側接触端子４，４...が支持されている。   The mold part 63 is formed in a quadrangular cross section projecting from the front end surface of the cover part 60, and a terminal support part insertion part 65 is formed on the lower surface part thereof so that the elastic contact part protrudes into the terminal support part insertion part. The plug-side contact terminals 4, 4.

シールド部６２は、導電性板材を打ち抜き折り曲げ加工することにより開口部四角形の筒状に形成され、その基端部がカバー部６０に固定されている。   The shield part 62 is formed in a cylindrical shape having a rectangular opening by punching and bending a conductive plate material, and its base end part is fixed to the cover part 60.

このシールド部６２がモールド部６３の外周を覆うことにより、支持部挿入部６５の外側開口も閉鎖され、レセプタクル側のみが開口した状態になっている。   When this shield part 62 covers the outer periphery of the mold part 63, the outer opening of the support part insertion part 65 is also closed, and only the receptacle side is open.

また、シールド部の下面部には、係止用凹部１４と互いに係合する係止用弾性片６６，６６が備えられている。   The lower surface of the shield part is provided with locking elastic pieces 66 and 66 that engage with the locking recess 14.

この係止用弾性片６６は、差し込み部６１がプラグ挿入部内に挿入され、係止用凹部１４の位置に到達すると自身の弾性によりプラグ部下面より外向きに突出し、係合部６６ｂが係止用凹部１４の内縁と互いに係合するようになっている。   When the insertion portion 61 is inserted into the plug insertion portion and reaches the position of the locking recess 14, the locking elastic piece 66 protrudes outward from the lower surface of the plug portion due to its own elasticity, and the engaging portion 66 b is locked. It engages with the inner edge of the recess 14 for use.

このように構成されたコネクタでは、レセプタクルＡの外側部が合成樹脂部材からなる防水用被覆部８により被覆され、インサート成型によりシールド部材６、モールド部材７及び接触端子３，３...を一体的に成形したことによりシールド部材６及び接触端子３，３...の外側に露出した部分を最小限に留め、且つ露出した部分の突出基端部と合成樹脂材とが密着した状態にあり、水の飛沫や噴流に対して保護がなされる程度、即ち水の飛沫又はノズルによる噴流水によっても有害な影響が出ない程度に水を通さないようになっている。   In the connector configured as described above, the outer side of the receptacle A is covered with a waterproof covering portion 8 made of a synthetic resin member, and the shield member 6, the mold member 7, and the contact terminals 3, 3,. The part exposed to the outside of the shield member 6 and the contact terminals 3, 3... Is kept to a minimum by molding, and the protruding base end part of the exposed part and the synthetic resin material are in close contact with each other In addition, water is prevented from passing to the extent that it is protected against splashes and jets of water, i.e., to the extent that harmful effects are not produced even by splashes of water or jet water from nozzles.

尚、上述の実施例では、所謂ミッドマウント方式による一例を示したが、ハウジング２全体が基板上に配置される所謂オンボード方式であってもよい。   In the above-described embodiment, an example of the so-called mid-mount method is shown, but a so-called on-board method in which the entire housing 2 is arranged on the substrate may be used.

また、上述の実施例では、基板接続端子部をスルーホールに通す構造としたが、表面実装するようにしたものであってもよい。この場合、リフロー炉に通す際に用いるガスケットが装着できるように、プラグ挿入部開口部にガスケット装着用の係合溝を設けておくことが望ましい。   In the above-described embodiment, the substrate connection terminal portion is configured to pass through the through hole. However, the substrate connection terminal portion may be surface-mounted. In this case, it is desirable to provide an engagement groove for mounting a gasket in the opening of the plug insertion portion so that the gasket used when passing through the reflow furnace can be mounted.

更に、シールド部材のプラグ挿入部開口部には、Ｏ−リング等の遮水部材が嵌め込まれる遮水材収容部を設けるようにしてもよい。   Furthermore, you may make it provide the water-shielding material accommodating part in which water-shielding members, such as an O-ring, are fitted in the plug insertion part opening part of a shield member.

Ａ レセプタクル
Ｂ プラグ
Ｃ 基板
Ｄ 機器躯体
１ プラグ挿入部
２ ハウジング
３ レセプタクル側接触端子
４ プラグ側接触端子
５ 切欠き部
６ シールド部材
７ モールド部材
８ 防水用被覆部
１０ 天板部
１１ 左側壁板部
１２ 右側壁板部
１３ 底板部
１４ 係止用凹部
１５ 横向き基板接続端子部
１６ 後向き基板接続端子部
１７ 横向き水平延長部
１８ 下向き端子部
１９ 切り出し孔
２０ 挿通孔（スルーホール）
２１ 後向き水平延長片部
２２ 後向き鉛直延長片部
２３ 下向き端子片部
２４ 固定パターン
２５ 挿通孔（スルーホール）
３１ 後壁部
３２ 上版部
３３ 下版部
３４ 左版部
３５ 右版部
３６ 端子支持部
３７ 端子収容溝
３８ 接触片部
４０ 支持兼押さえ用凸部
４１ 押え金具
４２ 躯体受け部
４３ 鉛直ストッパー部
４５ 支持片部
４６ 後側延長片部
４７ 基板接続片部
４８ 下向き片部
４９ 基板接続端子
５０ 接続パターン
６０ カバー部
６１ 差し込み部
６２ シールド部
６３ モールド部
６５ 端子支持部挿入部
６６ 係止用弾性片 A Receptacle B Plug C Board D Equipment housing 1 Plug insertion part 2 Housing 3 Receptacle side contact terminal 4 Plug side contact terminal 5 Notch part 6 Shield member 7 Mold member 8 Waterproof covering part 10 Top plate part 11 Left side wall plate part 12 Right side wall plate portion 13 Bottom plate portion 14 Locking recess 15 Lateral board connection terminal portion 16 Backward board connection terminal portion 17 Horizontal horizontal extension portion 18 Downward terminal portion 19 Cutout hole 20 Insertion hole (through hole)
21 Backward-facing horizontal extension piece 22 Backward vertical extension piece 23 Downward terminal piece 24 Fixing pattern 25 Insertion hole (through hole)
31 Rear wall portion 32 Upper plate portion 33 Lower plate portion 34 Left plate portion 35 Right plate portion 36 Terminal support portion 37 Terminal receiving groove 38 Contact piece portion 40 Support / pressing convex portion 41 Presser fitting 42 Housing receiving portion 43 Vertical stopper portion 45 support piece portion 46 rear side extension piece portion 47 substrate connection piece portion 48 downward piece portion 49 substrate connection terminal 50 connection pattern 60 cover portion 61 insertion portion 62 shield portion 63 mold portion 65 terminal support portion insertion portion 66 elastic piece for locking

Claims (3)

プラグが挿入されるプラグ挿入部が前面に開口されたハウジングと、該ハウジングに支持され前記プラグ挿入部内に露出した複数のレセプタクル側接触端子とを備え、
該ハウジングは、基板に接続される基板接続端子部を有する筒状のシールド部材と、前記レセプタクル側接触端子を支持するモールド部材とをもって構成され、
前記プラグが前記挿入口に挿入されることにより前記プラグに支持されたプラグ側接触端子と前記レセプタクル側接触端子とが接触されるようにしてなるコネクタであって、
前記モールド部材は、前記基板接続端子部を露出させた状態で前記シールド部材の筒状外側面及び後側開口を覆う防水用被覆部を備え、インサート成型により前記シールド部材及びレセプタクル側接触端子と一体化されたことを特徴としてなる防水機能付きコネクタ。 A housing in which a plug insertion portion into which a plug is inserted is opened on the front surface, and a plurality of receptacle-side contact terminals supported by the housing and exposed in the plug insertion portion;
The housing includes a cylindrical shield member having a substrate connection terminal portion connected to the substrate, and a mold member that supports the receptacle-side contact terminal,
A connector configured such that when the plug is inserted into the insertion port, the plug-side contact terminal supported by the plug and the receptacle-side contact terminal are brought into contact with each other,
The mold member includes a waterproof covering portion that covers the cylindrical outer surface and the rear opening of the shield member with the substrate connection terminal portion exposed, and is integrated with the shield member and the receptacle-side contact terminal by insert molding. A connector with a waterproof function, characterized by being シールド部材の外側面には、外向きに窪んだ係止用凹部を備えた請求項１に記載の防水機能付きコネクタ。   The connector with a waterproof function according to claim 1, wherein an outer surface of the shield member is provided with a locking recess recessed outward. 前記係止用凹部の外側面を前記防水用被覆部の外側面に露出させた請求項２に記載の防水機能付きコネクタ。   The connector with a waterproof function according to claim 2, wherein an outer side surface of the locking concave portion is exposed on an outer side surface of the waterproof covering portion.
JP2010198528A 2010-09-06 2010-09-06 Waterproof connector Active JP5099566B2 (en)

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