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JP5099566B2 - Waterproof connector - Google Patents

Waterproof connector
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Publication number
JP5099566B2
JP5099566B2JP2010198528AJP2010198528AJP5099566B2JP 5099566 B2JP5099566 B2JP 5099566B2JP 2010198528 AJP2010198528 AJP 2010198528AJP 2010198528 AJP2010198528 AJP 2010198528AJP 5099566 B2JP5099566 B2JP 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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Translated fromJapanese

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 ahousing 101 having aplug insertion portion 100 into which a plug is inserted. Thehousing 101 is a mold that supports the receptacle-side contact terminals 102, 102. A member constituted by amember 103 and acylindrical 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, themold member 103 has arear wall portion 105 fitted into the rear end portion of theshield member 104 and a flatterminal 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 themold 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, thecontact piece 102a that is in contact with the plug-side contact terminal is exposed on the upper surface of theterminal support portion 106, and thesubstrate contact piece 102b that is connected to the substrate is located behind the rear side surface of therear 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, theshield member 104 and themold member 103 are formed separately, themold member 103 is inserted from the back side of theshield member 104, and is fitted into the rear end portion of theshield member 104, so that the top of the shield member is inserted. Thefixing piece 107 and the boardconnection terminal portions 108 and 108 are bent downward from the rear edge portion of the plate, and the rear surface of the mold memberrear 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。  Theshield member 104 is formed withlocking 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 inclaim 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 ofclaim 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 aplug 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 theplug 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 anotch 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 acylindrical shield member 6 and amold member 7 made of an insulating synthetic resin member, that is, insert molding with theshield member 6 set in a molding die. Thewaterproof covering portion 8 is formed so as to cover the cylindrical outer surface and the rear opening of theshield member 6, and theplug 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, theshield member 6 includes a flattop plate portion 10, left and right sidewall plate portions 11 and 12 that are formed by bending both side edges of thetop plate portion 10 downward, It is integrally formed with abottom plate portion 13 disposed inside the lower edges of the sidewall 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, aplug 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。  Thebottom plate portion 13 is formed as a single flat plate by fitting the inner edge portions of the left and rightbottom plate members 13a and 13b, which are bent inward from the lower edges of the left and right sidewall plate portions 11 and 12, abutting each other. It is formed in a shape. Thebottom plate portion 13 is formed withlocking 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。  Thelocking recess 14 is formed in a flat dish shape that is recessed outward by drawing, and the inner and outer sides of thebottom plate portion 13 are non-penetrating so as not to pass water drops or the like. The outer surface of thelocking recess 14 is exposed on the lower surface of thewaterproof 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, theshield member 6 is integrally provided with a lateral boardconnection terminal portion 15 connected to the board C such as a PCB and a rear boardconnection 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 boardconnection terminal portion 15 includes a horizontalhorizontal extension portion 17 having a shape that extends horizontally from the left and right sidewall plate portions 11 and 12, and a downward terminal having a shape in which the side edge of the horizontalhorizontal extension portion 17 is bent downward. Theunit 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 boardconnection terminal portion 15 has the outer shape of the horizontal boardconnection terminal portion 15 except for a base end of the horizontal horizontal extension portion of a part of the plate material forming thetop plate portion 10 and the left and right sidewall 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 thetop plate portion 10 to the sidewall 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 thedownward terminal portion 18, and thedownward 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 theinsertion hole 20 and also flows into thenotch 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 boardconnection terminal portion 16 has a rearwardhorizontal extension piece 21 having a shape extending rearward from the side rear edge of thetop plate portion 10 and a shape extending rearward from the upper rear edges of the sidewall plate portions 11 and 12. The rearwardvertical extension piece 22 and thedownward terminal piece 23 bent downward from the rear edge of the rearwardhorizontal 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 horizontalextension piece portion 21, the downwardterminal 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 rearwardvertical extension piece 22 is formed in a shape that is bent downward from the side edge of the rearwardhorizontal extension piece 21, and is rearward as the sidewall plate portions 11 and 12 are bent with respect to thetop plate portion 10. Thevertical extension piece 22 is also bent with respect to the rearwardhorizontal 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 verticalextension piece portion 22 is soldered to the fixingpattern 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 downwardterminal 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 theinsertion hole 25, and the downwardterminal 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。  Thedownward terminal piece 23 extends in the horizontal direction from the rear edge of the rearwardhorizontal 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。  Themold member 7 includes awaterproof clothing portion 8 that covers the cylindrical outer surface of theshield member 6 and the rear opening, and is integrated with theshield 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。  Thewaterproof covering portion 8 includes arear wall portion 31 that closes the rear opening of theshield member 6, and upper, lower, left, andright plate portions 32, 33, 34, and 35 that extend forward from the periphery of therear wall portion 31. The upper, lower, left andright plate portions 32, 33, 34, 35 are in close contact with and cover the outer surfaces of thetop plate portion 10, thebottom plate portion 13 and the left and right sidewall plate portions 11, 12 of theshield member 6, respectively. In this way, therear wall 31 and the upper, lower, left andright 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。  Therear wall portion 31 is formed in a rectangular shape, and is then exposed in a state where the rearwardsubstrate 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 thisrear wall part 31, the synthetic resin member which makes therear wall part 31 and the surface of the backward board | substrateconnection 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-liketerminal support portion 36 that protrudes forward is integrally formed at the lower center of the front surface of therear wall portion 31, and is supported so as to protrude inside theshield member 6, that is, in theplug 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 rearterminal receiving grooves 37, 37... Are formed on the upper surface of theterminal support 36 in a lateral arrangement, and the receptacle-side contact terminals are formed along theterminal 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 thelower plate portion 33, the lockingrecess 14 of theshield member 6 is embedded, and the lower surface of the lockingrecess 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 lockingrecess 14 does not penetrate in the plate pressure direction of thebottom plate portion 13, the lower surface of thelower plate portion 33 and the lower surface of the lockingrecess 14 are on the same plane, and the lockingrecess 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 andright plate portions 34 and 35 are integrally formed with aconvex portion 40 for supporting and pressing, and theconvex portion 40 is supported by the side edge of thenotch 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 pressingconvex 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 pressingconvex portion 40 is formed in a state in which the horizontalhorizontal extension 17 of the horizontal boardconnection terminal portion 15 penetrates the inside, and has an effect of increasing the strength of the horizontalhorizontal 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 pressingconvex portion 40 and the outer surface of the laterally extendinghorizontal 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 / pressingconvex 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 thenotch 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 rectangularhousing receiving portion 42 and avertical stopper portion 43 that is bent downward from the side edge of thehousing 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。  Thehousing receiving portion 42 has a certain thickness, that is, when thehousing receiving portion 42 is placed on the support / pressingconvex portion 40, the upper surface of thehousing 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。  Thevertical 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 theconvex 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 / holdingconvex 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 thenotch 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 thevertical stopper portion 43 is formed to be the same as or slightly shorter than the height of theconvex portion 40, theconvex 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, asupport 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 thesupport piece 45. Arear extension piece 46 extended to the side and aboard connection piece 47 integrally supported at the rear end of therear 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 receivingportion 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。  Thesupport piece 45 is integrated and embedded in therear wall 31 of themold member 7 at the time of insert molding, and the receptacle-side contact terminals 3, 3... Are fixed to themold 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 therear wall portion 31 and the outer surface of thesupport 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。  Theboard connection piece 47 includes adownward piece 48 bent obliquely downward from the rear edge of therear extension piece 46 and abase connection terminal 49 extended from the rear edge of the downward piece horizontally to the rear side. Before the insert molding, therear extension piece 46, thedownward piece 48 and theboard connection terminal 49 are arranged in a straight line on the rear side in the horizontal direction, and thedownward 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。  Theboard connection terminal 49 is connected to theconnection 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 aninsertion portion 61 supported in a state protruding from the tip of a syntheticresin cover portion 60, and theinsertion portion 61 is inserted into theplug 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, theinsertion part 61 includes acylindrical shield part 62, amold part 63 disposed in theshield part 62, and a plurality of plug-side contact terminals 4 and 4 supported by themold part 63. And a terminal supportportion insertion portion 65 opened to the receptacle side is formed, and theterminal 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。  Themold part 63 is formed in a quadrangular cross section projecting from the front end surface of thecover part 60, and a terminal supportpart 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。  Theshield 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 thecover 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 thisshield part 62 covers the outer periphery of themold part 63, the outer opening of the supportpart 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 lockingelastic pieces 66 and 66 that engage with the lockingrecess 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 theinsertion portion 61 is inserted into the plug insertion portion and reaches the position of the lockingrecess 14, the lockingelastic 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 therecess 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 awaterproof covering portion 8 made of a synthetic resin member, and theshield member 6, themold member 7, and thecontact terminals 3, 3,. The part exposed to the outside of theshield member 6 and thecontact 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 BoardD Equipment housing 1 Plug insertion part 2Housing 3 Receptacle side contact terminal 4 Plugside contact terminal 5Notch part 6Shield member 7Mold member 8Waterproof covering part 10Top plate part 11 Left sidewall plate part 12 Right sidewall plate portion 13Bottom plate portion 14Locking recess 15 Lateral boardconnection terminal portion 16 Backward boardconnection terminal portion 17 Horizontalhorizontal extension portion 18Downward terminal portion 19Cutout hole 20 Insertion hole (through hole)
21 Backward-facinghorizontal extension piece 22 Backwardvertical extension piece 23Downward terminal piece 24Fixing pattern 25 Insertion hole (through hole)
31Rear wall portion 32Upper plate portion 33Lower plate portion 34Left plate portion 35Right plate portion 36Terminal support portion 37 Terminal receiving groove 38Contact piece portion 40 Support / pressingconvex portion 41 Presser fitting 42Housing receiving portion 43Vertical stopper portion 45support piece portion 46 rear sideextension piece portion 47 substrateconnection piece portion 48downward piece portion 49substrate connection terminal 50connection pattern 60cover portion 61insertion portion 62shield portion 63mold portion 65 terminal supportportion insertion portion 66 elastic piece for locking

Claims (3)

Translated fromJapanese
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.
JP2010198528A2010-09-062010-09-06 Waterproof connectorExpired - Fee RelatedJP5099566B2 (en)

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JP2010198528AJP5099566B2 (en)2010-09-062010-09-06 Waterproof connector
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