JP2503063Y2 - Board twisting prevention structure for board connector - Google Patents
Board twisting prevention structure for board connectorInfo
- Publication number
- JP2503063Y2 JP2503063Y2 JP6439190U JP6439190U JP2503063Y2 JP 2503063 Y2 JP2503063 Y2 JP 2503063Y2 JP 6439190 U JP6439190 U JP 6439190U JP 6439190 U JP6439190 U JP 6439190U JP 2503063 Y2 JP2503063 Y2 JP 2503063Y2
- Authority
- JP
- Japan
- Prior art keywords
- board
- connector
- substrate
- board connector
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
Description
【考案の詳細な説明】 《産業上の利用分野》 本考案は、メモリーモジュール等の極小ピッチの小型
基板用コネクタの基板こじり防止構造に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION << Industrial Application Field >> The present invention relates to a board twist prevention structure for a connector for a small board having a very small pitch such as a memory module.
《従来の技術》 基板用コネクタａは、第12図に示すように合成樹脂等
の絶縁材を射出成形してなるハウジングｂとこのハウジ
ングｂ内に配設されるコンタクトピンｃとから大略構成
され、このハウジングｃは基板ｄのエッジ部ｅを差し込
む溝部ｆを備えると共に、その左右側に、基板ｄの挿入
を容易にする案内溝部ｇを形成し、溝部ｆの中央を除い
た中間部および端部にリブｈ、ｉが設けてあり、また、
基板ｄのエッジ部ｅには、これの正挿入時に、前記リブ
ｈ、ｉが挿入される挿入用凹部ｊ、ｋが設けてある。<< Prior Art >> A board connector a is generally composed of a housing b formed by injection molding an insulating material such as a synthetic resin and a contact pin c arranged in the housing b as shown in FIG. The housing c is provided with a groove portion f into which the edge portion e of the substrate d is inserted, and guide groove portions g for facilitating the insertion of the substrate d are formed on the left and right sides thereof, and the middle portion and the end portion excluding the center of the groove portion f. Ribs h and i are provided on the part,
The edge portion e of the substrate d is provided with insertion concave portions j and k into which the ribs h and i are inserted when the edge portion e is normally inserted.
そして、基板ｄを、そのエッジ部ｅ側を前記基板用コ
ネクタａの溝部ｆに挿入すると共に、挿入用凹部ｊ、ｋ
にリブｈ、ｉを挿入して、この基板用コネクタａに装着
し、導電性ストリップｍをコンタクトピンｃに接触させ
ている。Then, the board d is inserted into the groove f of the board connector a on the side of the edge e, and the insertion recesses j and k are inserted.
Ribs h and i are inserted into the connector and mounted on the board connector a, and the conductive strip m is brought into contact with the contact pin c.
《考案が解決しようとする課題》 しかしながら、基板ｄを基板コネクタａの溝部ｆに差
し込んだ状態からこの基板ｄを抜き出す時に、どうして
も、基板ｄが揺動する。このために、基板ｄの一方の左
側端部が基板コネクタａの案内部ｎに干渉する回転中心
Ｏを中心にして基板ｄが回動する。したがって、挿入用
凹部ｋのエッジ部ｅに解放する開口部のコーナー部を点
Ｐとする時、この点Ｐの回転中心Ｏを中心とした軌跡イ
は、第13図のようになり、この点Ｐはリブｉに干渉し、
こじりを生じという問題点があった。<< Problems to be Solved by the Invention >> However, when the board d is pulled out from the state where the board d is inserted into the groove portion f of the board connector a, the board d inevitably swings. For this reason, the one left end of the board d rotates about the rotation center O where the guide portion n of the board connector a interferes. Therefore, when the corner portion of the opening released to the edge portion e of the insertion concave portion k is defined as the point P, the locus a around the rotation center O of the point P is as shown in FIG. P interferes with the rib i,
There was a problem of twisting.
本考案は、上記の問題点に着目してなされたものであ
って、その目的とするところは基板を溝部より抜き出す
場合、基板がこれの回動中心Ｏを中心にして回動すると
き、コーナー部の点Ｐがリブに干渉することがなく、こ
じりを防止する基板用コネクタの基板こじり防止構造を
提供することにある。The present invention has been made in view of the above problems, and an object thereof is to take out a corner when a substrate is pulled out from a groove portion when the substrate is pulled out from a groove portion. It is an object of the present invention to provide a board twisting prevention structure of a board connector which prevents twisting without the point P of the portion interfering with the rib.
《課題を解決するための手段》 上記の目的を達成するために、本考案は、基板コネク
タに設けられて基板のエッジ部が差し込まれる溝部内
に、この溝部の中央を除いた中間部および端部にリブを
設け、基板のエッジ部に、正挿入時に前記リブが挿入さ
れる挿入用凹部を設け、基板の基板コネクタからの抜き
出し時に、この基板の一方の側端部が基板コネクタに干
渉する点を基板の回転中心Ｏとした時、端部側の挿入用
凹部のエッジ部に解放する開口部のコーナー部の点Ｐ
の、回転中心Ｏを中心とした軌跡イの外側にリブが位置
するようにした構成にしてある。<< Means for Solving the Problems >> In order to achieve the above object, the present invention provides a groove provided in a board connector into which an edge portion of a board is inserted, and an intermediate portion and an end excluding the center of the groove portion. A rib is provided on the board portion, and an insertion recess into which the rib is inserted at the time of normal insertion is provided on the edge portion of the board, and one side end portion of the board interferes with the board connector when the board is pulled out from the board connector. When the point is the center of rotation O of the substrate, the point P of the corner of the opening released to the edge of the insertion recess on the end side.
The ribs are located outside the locus (a) about the center of rotation O.
《作用》 掛かる構成にすることにより、基板を溝部より抜き出
す場合、基板がこれの回動中心Ｏを中心にして回動する
とき、前記コーナー部の点Ｐはリブに干渉することがな
く、こじりを生じない。<< Operation >> When the substrate is pulled out from the groove portion, the point P of the corner portion does not interfere with the ribs when the substrate is pulled out from the rotation center O, so that the substrate is not twisted. Does not occur.
《実施例》 以下、本考案の実施例を図面に基づいて説明する。<< Embodiment >> An embodiment of the present invention will be described below with reference to the drawings.
第１図は本考案に係わる基板こじり防止構造を備えた
基板の基板用コネクタへの装着前の状態を示す斜視図、
第２図は基板用コネクタの平面図、第３図は第２図Ａ−
Ａ線に沿う縦断面図、第４図はロック機構の正面図、第
５図は第４図Ｂ方向からの矢視図、第６図は第３図Ｃ−
Ｃ線に沿う断面図、第７図は基板の正面図、第８図は基
板の抜き出し時における挙動説明図である。FIG. 1 is a perspective view showing a state of a board having a board twisting prevention structure according to the present invention before being attached to a board connector,
Fig. 2 is a plan view of the board connector, and Fig. 3 is Fig. 2A-.
FIG. 4 is a front view of the lock mechanism, FIG. 5 is a view from the direction of FIG. 4B, and FIG. 6 is FIG. 3C-
FIG. 7 is a sectional view taken along line C, FIG. 7 is a front view of the substrate, and FIG. 8 is a behavior explanatory diagram when the substrate is extracted.
基板用コネクタ１は、合成樹脂等の絶縁材を射出成形
してなるハウジング２とこのハウジング２内に配設され
るコンタクトピン３とから大略構成され、このハウジン
グ２は基板４のエッジ部５を差し込む溝部６を備えると
共に、その左右側に、基板４の挿入を容易にする案内溝
部７が形成してある。ハウジング２の溝部６の左右には
ロック機構８が設けてある。これらロック機構８は、第
４図及び第５図に示すように溝部６の両側壁部９に形成
された収容溝10内に、その基部が収容溝10の下部に連結
されて上方に向かって立ち上げられたばね性を有するロ
ック片11を備え、これらのロック片11の対向面部の上部
に係合突起12を設けて成る。また、前記溝部６内には、
基板13の逆挿入防止用のリブ14、15が設けてある。すな
わち、一方のリブ14は、溝部６の左端部寄りに位置して
おり、他方のリブ15は、溝部６の中央より右側寄りに位
置している。The board connector 1 is generally composed of a housing 2 formed by injection molding an insulating material such as a synthetic resin and a contact pin 3 arranged in the housing 2. The housing 2 has an edge portion 5 of a board 4. A groove portion 6 to be inserted is provided, and guide groove portions 7 that facilitate insertion of the substrate 4 are formed on the left and right sides thereof. A lock mechanism 8 is provided on the left and right of the groove 6 of the housing 2. As shown in FIG. 4 and FIG. 5, the locking mechanism 8 has a base portion connected to a lower portion of the housing groove 10 in an accommodation groove 10 formed in both side wall portions 9 of the groove portion 6 and is directed upward. The lock pieces (11) having a raised spring property are provided, and the engaging projections (12) are provided on the upper portions of the facing surfaces of these lock pieces (11). Further, in the groove portion 6,
Ribs 14 and 15 for preventing reverse insertion of the substrate 13 are provided. That is, one rib 14 is located closer to the left end of the groove 6, and the other rib 15 is located closer to the right than the center of the groove 6.
また、溝部６内には、これの側壁部９に沿うて、互い
に向かい合うようにしてコンタクトピン３が配置されて
いる。The contact pins 3 are arranged in the groove 6 so as to face each other along the side wall 9.
上記のように構成された基板用コネクタ１は、10mm程
度の小さいピッチ間隔で基板（図示せず）に多数個取り
付けてある。A large number of the board connectors 1 configured as described above are mounted on a board (not shown) at a small pitch interval of about 10 mm.
基板４は、第７図に示すようにIC実装領域16aを有す
る基板本体16を備えており、この基板本体16の挿入側縁
部であるエッジ部５には、差し込み時に前記コンタクト
ピン３に接触する導電性ストリップ18が左右方向に沿っ
て多数は配設してある。また、基板本体16のエッジ部５
には、正挿入時に前記リブ14、15が挿入される挿入用凹
部17、19が設けてある。すなわち、一方の挿入用凹部17
は、基板本体16の左端部寄りに位置させてあり、他方の
挿入用凹部19はエッジ部５の中央より右寄りに位置させ
てあって、一方の挿入用凹部17は、他方の挿入凹部19に
比べて幅広に成されている。The board 4 includes a board body 16 having an IC mounting area 16a as shown in FIG. 7, and the edge portion 5 which is an insertion side edge portion of the board body 16 contacts the contact pin 3 at the time of insertion. A large number of conductive strips 18 are arranged along the left-right direction. In addition, the edge portion 5 of the substrate body 16
The recesses 17 and 19 for insertion into which the ribs 14 and 15 are inserted at the time of normal insertion are provided in the. That is, one insertion recess 17
Is located closer to the left end of the substrate body 16, the other insertion recess 19 is located closer to the right than the center of the edge portion 5, and one insertion recess 17 is located in the other insertion recess 19. It is made wider in comparison.
そして、一方の挿入用凹部17とリブ14との関係は、基
板４を基板コネクタ１の溝部６に差し込んだ状態からこ
の基板１を抜き出す時に、この基板４の左側端部が基板
コネクタ１の案内溝部７の底部7aに干渉する点を基板を
回転中心Ｏとし、挿入用凹部17のエッジ部５に解放する
開口部17aのコーナー部を点Ｐとする時、この点Ｐの回
転中心Ｏを中心とした軌跡イは第８図に示すようになっ
て、この軌跡イの外側にリブ14が位置するという関係で
ある。The relationship between the insertion recess 17 and the rib 14 is that the left end of the board 4 guides the board connector 1 when the board 1 is pulled out from the state where the board 4 is inserted in the groove 6 of the board connector 1. When a point that interferes with the bottom 7a of the groove 7 is the center of rotation O of the substrate and a corner of the opening 17a that is released to the edge 5 of the insertion recess 17 is point P, the center of rotation O of this point P is the center of rotation. The locus i is as shown in FIG. 8, and the rib 14 is located outside the locus a.
さらに、基板本体16のエッジ部５の左右にはロック用
孔20、21が形成してある。そして、コネクタ実装領域16
aには、基板本体16の両面に亘ってIC（図示せず）が取
り付けてある。Further, lock holes 20 and 21 are formed on the left and right of the edge portion 5 of the substrate body 16. And the connector mounting area 16
ICs (not shown) are attached to both sides of the substrate body 16 at a.
次に、作動を説明する。 Next, the operation will be described.
上記のように構成された基板４は、そのエッジ部５側
を前記基板用コネクタ１の溝部６に挿入してこの基板用
コネクタ１に装着される。この場合、ロック機構８の係
合突起12が基板４のロック孔20、21に係合し、挿入凹部
17、19にリブ14、15が挿入され、導電性ストリップ18が
コンタクトピン22に接触する。The board 4 configured as described above is attached to the board connector 1 by inserting the edge portion 5 side into the groove 6 of the board connector 1. In this case, the engaging projection 12 of the lock mechanism 8 engages with the lock holes 20 and 21 of the substrate 4 and the insertion recess
Ribs 14, 15 are inserted in 17, 19 so that the conductive strip 18 contacts the contact pins 22.
そして、左端部側の挿入用凹部17のエッジ部５に解放
する開口部17aのコーナー部を点Ｐとする時、この点Ｐ
の回転中心Ｏを中心とした軌跡イの外側にリブ14が位置
するために、基板４を溝部６より抜き出す場合、基板４
がこれの回動中心Ｏを中心にして回動するとき、前記コ
ーナー部の点Ｐの軌跡イは、第８図のようになり、この
点Ｐはリブ14に干渉することがなく、こじりを生じな
い。When the corner portion of the opening 17a released to the edge portion 5 of the insertion recess 17 on the left end side is set to point P, this point P
When the substrate 4 is pulled out from the groove portion 6 because the ribs 14 are located outside the locus a around the rotation center O of the substrate 4,
8 rotates about its rotation center O, the locus a of the point P of the corner portion becomes as shown in FIG. 8, and the point P does not interfere with the rib 14 and twists. Does not happen.
前記挿入用凹部17の形状は、第９図のように、このエ
ッジ部５に解放する開口部17aのコーナー部を面取り
（面取り部をＣで示す）したものとしてもよいし、ま
た、第10図に示すように挿入用凹部17の左側辺部17bを
傾斜させてもよい。As shown in FIG. 9, the shape of the insertion recess 17 may be such that the corner portion of the opening 17a that opens to the edge portion 5 is chamfered (the chamfered portion is indicated by C). As shown in the drawing, the left side portion 17b of the insertion recess 17 may be inclined.
エッジ部５に解放する開口部17aのコーナー部を面取
り（面取り部をＣで示す）した挿入用凹部17の場合の前
記コーナー部の点Ｐの軌跡イは、第８図と略同様にな
り、この点Ｐはリブ14に干渉することがなく、こじりを
生じない。In the case of the insertion recess 17 in which the corner portion of the opening 17a released to the edge portion 5 is chamfered (the chamfered portion is indicated by C), the locus a of the point P of the corner portion is substantially the same as in FIG. This point P does not interfere with the rib 14 and does not twist.
なお、第11図は挿入凹部19とリブ15とのこじり関係を
示すものであり、この場合こじりは生じない。It should be noted that FIG. 11 shows the twisting relationship between the insertion recess 19 and the rib 15, and in this case no twisting occurs.
《考案の効果》 以上説明したように、本考案は、基板コネクタに設け
られて基板のエッジ部が差し込まれる溝部内に、この溝
部の中央を除いた中間部および端部にリブを設け、基板
のエッジ部に、正挿入時に前記リブが挿入される挿入用
凹部を設け、基板の基板コネクタからの抜き出し時に、
この基板の一方の側端部が基板コネクタに干渉する点を
基板の回転中心Ｏとし、端部側の挿入用凹部のエッジ部
に解放する開口部のコーナー部の点Ｐの、回転中心Ｏを
中心とした軌跡イの外側にリブが位置するようにしたか
ら、基板を溝部より抜き出す場合、基板がこれの回動中
心Ｏを中心にして回動するとき、前記コーナー部の点Ｐ
の軌跡イは、第８図のようになり、この点Ｐはリブに干
渉することがなく、こじりを生じない。<< Advantages of the Invention >> As described above, according to the present invention, ribs are provided in the groove portion provided in the board connector and into which the edge portion of the board is inserted, in the middle portion and the end portion excluding the center of the groove portion. At the edge portion of the, provided with an insertion recess into which the rib is inserted at the time of normal insertion, when pulling out the board from the board connector,
The point at which one side end of this board interferes with the board connector is taken as the rotation center O of the board, and the rotation center O at the point P of the corner of the opening released to the edge of the insertion recess on the end side is taken as the rotation center O. Since the ribs are located outside the center locus (a), when the substrate is pulled out from the groove portion, when the substrate is rotated about its rotation center O, the point P of the corner portion is formed.
8 is as shown in FIG. 8, and this point P does not interfere with the ribs and no prying occurs.
第１図は本考案に係わる基板こじり防止構造を備えた基
板の基板用コネクタへの装着前の状態を示す斜視図、第
２図は基板用コネクタの平面図、第３図は第２図Ａ−Ａ
線に沿う縦断面図、第４図はロック機構の正面図、第５
図は第４図Ｂ方向からの矢視図、第６図は第３図Ｃ−Ｃ
線に沿う断面図、第７図は基板の正面図、第８図は基板
の抜き出し時における挙動説明図、第９図、第10図はそ
れぞれ異なる基板の挿入用凹部の他の実施態様の説明
図、第11図は第９図に示す挿入用凹部を備えた基板の抜
き出し時における挙動説明図、第12図は基板と基板用コ
ネクタとの一部省略した正面図、第13図はこじりが生じ
る場合の基板の抜き出し時における挙動説明図である。 １…基板コネクタ、２…ハウジング、４…基板、５…エ
ッジ部、６…溝部、７…案内溝部、14、15…リブ、17、
19…挿入用凹部。FIG. 1 is a perspective view showing a state of a board having a board twisting prevention structure according to the present invention before being attached to the board connector, FIG. 2 is a plan view of the board connector, and FIG. 3 is FIG. 2A. -A
FIG. 4 is a front view of the locking mechanism, and FIG.
FIG. 4 is a view from the direction of FIG. 4B, and FIG. 6 is FIG. 3C-C.
Sectional drawing along the line, FIG. 7 is a front view of the substrate, FIG. 8 is an explanatory view of the behavior at the time of extracting the substrate, and FIGS. 9 and 10 are description of other embodiments of recesses for insertion of different substrates. 11 and 12 are explanatory views of the behavior when the board having the insertion recess shown in FIG. 9 is taken out, FIG. 12 is a front view in which the board and the board connector are partially omitted, and FIG. It is a behavior explanatory view at the time of extraction of the substrate when it occurs. 1 ... Board connector, 2 ... Housing, 4 ... Board, 5 ... Edge part, 6 ... Groove part, 7 ... Guide groove part, 14, 15 ... Rib, 17,
19… Recess for insertion.
───────────────────────────────────────────────────── フロントページの続き (72)考案者 鈴木 盛夫 神奈川県秦野市堀山下１番地 株式会社 日立製作所神奈川工場内 (72)考案者 香西 博 神奈川県秦野市堀山下１番地 株式会社 日立製作所神奈川工場内 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Morio Suzuki, 1 Horiyamashita, Hadano-shi, Kanagawa Hitachi, Ltd. Kanagawa factory (72) Inventor Hiroshi Kosai 1st, Horiyamashita, Hadano, Kanagawa Hitachi, Ltd. Kanagawa factory Within
Claims (1)
が差し込まれる溝部内に、この溝部の中央を除いた中間
部および端部にリブを設け、基板のエッジ部に、正挿入
時に前記リブが挿入される挿入用凹部を設け、基板の基
板コネクタからの抜き出し時に、この基板の一方の側端
部が基板コネクタに干渉する点を基板の回転中心Ｏとし
た時、端部側の挿入用凹部のエッジ部に解放する開口部
のコーナー部の点Ｐの、回転中心Ｏを中心とした軌跡イ
の外側にリブが位置するようにしたことを特徴とする基
板用コネクタの基板こじり防止構造。1. Ribs are provided in a groove portion provided in a board connector into which an edge portion of the board is inserted, and ribs are provided at an intermediate portion and an end portion excluding the center of the groove portion. When the board is pulled out from the board connector, a point where one side edge of the board interferes with the board connector is defined as the rotation center O of the board. A board twisting prevention structure for a board connector, wherein a rib is located outside a locus (a) around a rotation center O of a point P of a corner of an opening released to the edge of the recess.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6439190U JP2503063Y2 (en) | 1990-06-20 | 1990-06-20 | Board twisting prevention structure for board connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6439190U JP2503063Y2 (en) | 1990-06-20 | 1990-06-20 | Board twisting prevention structure for board connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0424291U JPH0424291U (en) | 1992-02-27 |
| JP2503063Y2 true JP2503063Y2 (en) | 1996-06-26 |
Family
ID=31595298
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6439190U Expired - Fee Related JP2503063Y2 (en) | 1990-06-20 | 1990-06-20 | Board twisting prevention structure for board connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2503063Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0798620A (en) * | 1992-11-13 | 1995-04-11 | Seiko Epson Corp | Electronic device and computer using it |
| JP2020113454A (en) * | 2019-01-15 | 2020-07-27 | 住鉱テック株式会社 | Card edge connector |
-
1990
- 1990-06-20 JP JP6439190U patent/JP2503063Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0424291U (en) | 1992-02-27 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
| LAPS | Cancellation because of no payment of annual fees |