JP7330441B2 - Enclosure mating structure with connector - Google Patents

Enclosure mating structure with connector Download PDF

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JP7330441B2
JP7330441B2 JP2021135283A JP2021135283A JP7330441B2 JP 7330441 B2 JP7330441 B2 JP 7330441B2 JP 2021135283 A JP2021135283 A JP 2021135283A JP 2021135283 A JP2021135283 A JP 2021135283A JP 7330441 B2 JP7330441 B2 JP 7330441B2
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housing
connector
fitting
substrate
case
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JP2023030248A (en
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耕平 林
弥恵子 辻角
勝司 大石
隆信 牧村
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SMK Corp
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SMK Corp
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本発明は、筐体内に配設した基板にカードエッジコネクタを直接的に電気接続するための、コネクタとの筐体嵌合構造に関する。 The present invention relates to a housing fitting structure for connecting a card edge connector directly to a substrate arranged in a housing.

カードエッジコネクタは、基板の端部側に配線パターニング等により設けた接続端子に直接的に電気接続するソケットタイプのコネクタである。
このようなコネクタは、電子部品を実装した基板を内部に配設した計器類、電機・電子機器等の広い分野で使用されている。 A card edge connector is a socket-type connector that is directly electrically connected to connection terminals provided by wiring patterning or the like on the edge side of a substrate.
Such connectors are used in a wide range of fields, such as meters, electric/electronic equipment, etc., in which a substrate on which electronic components are mounted is arranged.

例えば特許文献１には、筐体（メータケース）内に設けたソリッド配線基板にコネクタを嵌合接続するために、この筐体の背面に凹部を形成するとともに、コネクタを前記凹部に受け入れた状態で係止するロック構造を開示する。
しかし、筐体内に配設する基板の取付位置にバラツキがあると、上記のように筐体に設けた凹部にコネクタを挿入してそのままロックする構造では、コネクタが有する電気接続のための接触片と基板側にパターニングした電極等の端子との間に位置ズレが生じ、電気接続が安定しない恐れがある。
また、コネクタにて基板を強く押し付けた状態になると、電気接続の位置ズレだけでなく、基板に過度の曲げ応力が加わる恐れもある。 For example, in Patent Document 1, in order to fit and connect a connector to a solid wiring board provided in a housing (meter case), a recess is formed in the back of the housing, and the connector is received in the recess. Discloses a locking structure that locks at
However, if there is variation in the mounting position of the board arranged in the housing, the structure in which the connector is inserted into the concave portion provided in the housing as described above and then locked as it is cannot be used. and a terminal such as an electrode patterned on the substrate side.
Further, if the connector strongly presses the substrate, not only the electrical connection may be misaligned, but also the substrate may be subjected to excessive bending stress.

特開平７－３１２２６５号公報JP-A-7-312265

本発明は、筐体内に配設した基板にカードエッジコネクタを安定して電気接続可能な、コネクタとの筐体嵌合構造の提供を目的とする。 SUMMARY OF THE INVENTION It is an object of the present invention to provide a connector-to-housing fitting structure capable of stably electrically connecting a card edge connector to a substrate arranged in a housing.

本発明に係るコネクタとの筐体嵌合構造は、嵌合ケースを介して筐体内に配設した基板にカードエッジ用のコネクタを直接的に電気接続できるコネクタとの筐体嵌合構造であって、筐体内に配設した基板と、筐体に設けた筐体穴と、前記筐体穴に遊嵌した嵌合ケースとを備え、前記嵌合ケースは前記基板により位置決めされた状態で前記筐体側に固定されていることを特徴とする。 A housing fitting structure for a connector according to the present invention is a housing fitting structure for a connector that enables direct electrical connection of a card edge connector to a board arranged in a housing via a fitting case. a substrate arranged in a housing, a housing hole provided in the housing, and a fitting case loosely fitted in the housing hole, wherein the fitting case is positioned by the substrate and the It is characterized by being fixed to the housing side.

ここで、筐体に設けた筐体穴に遊嵌した嵌合ケースと表現したのは、筐体穴の開口寸法の方が嵌合ケースの外形寸法よりも大きく、左右、上下に遊びを有した状態で嵌合されていることをいう。
また、カードエッジ用のコネクタとは、基板上に配線パターニング等にて形成した端子を内側に挿入するソケットタイプのコネクタをいい、基板側の端子とコネクタ内に備える接触片が接触することで電気的に接続される。
これにより、筐体内に配設した基板の取付位置にバラツキが生じても、この基板の端部に合せて嵌合ケースが位置決めされるのでコネクタの接続位置が安定する。
すなわち、嵌合ケースの筐体側への固定位置が基板の位置に調整されるので、コネクタの接触片と基板の端子との位置関係は一定になる。
また、筐体側に固定と表現したのは、嵌合ケースを筐体に直接固定する場合のみならず、取付部品等を介して間接的に固定する場合も含まれる趣旨である。 Here, the term “fitting case loosely fitted in the housing hole provided in the housing” means that the opening dimension of the housing hole is larger than the outer dimensions of the fitting case, and there is play in the left, right, and up and down directions. It means that it is mated in a state where it is closed.
A card edge connector is a socket-type connector into which terminals formed by wiring patterning or the like are inserted on the substrate. connected
As a result, even if the mounting position of the board arranged in the housing varies, the fitting case is positioned in accordance with the edge of the board, so that the connection position of the connector is stabilized.
That is, since the fixing position of the fitting case to the housing side is adjusted to the position of the substrate, the positional relationship between the contact pieces of the connector and the terminals of the substrate is constant.
In addition, the expression "fixed to the housing side" is intended to include not only the case where the fitting case is directly fixed to the housing, but also the case where it is indirectly fixed via an attachment part or the like.

本発明において、基板の位置に合せて嵌合ケースの固定位置を調整する手段としては、例えば前記嵌合ケースはスリット孔を有し、前記基板の端部を前記スリット孔に挿入することで前記嵌合ケースが位置決めされていてもよい。
また、前記基板は端部に凹部又は凸部を有し、前記嵌合ケースは前記基板の端部に設けた凹部又は凸部に係合する係合部を有し、該係合部が前記凹部又は凸部に係合することで前記嵌合ケースが位置決めされていてもよい。
これにより、嵌合ケースは基板の厚み方向や幅方向のズレに合せて位置決めされる。 In the present invention, as a means for adjusting the fixing position of the fitting case according to the position of the substrate, for example, the fitting case has a slit hole, and the end portion of the substrate is inserted into the slit hole. A mating case may be positioned.
Further, the board has a concave portion or a convex portion at an end portion, the fitting case has an engaging portion that engages with the concave portion or the convex portion provided at the end portion of the substrate, and the engaging portion The fitting case may be positioned by engaging with the concave portion or the convex portion.
Thereby, the fitting case is positioned according to the deviation in the thickness direction and width direction of the substrate.

本発明において、前記嵌合ケースは前記筐体側に固定するためのフランジを有し、前記フランジと前記筐体側との間に止水部材を有していてもよい。
嵌合ケースのフランジは、嵌合ケースを筐体穴に遊嵌した状態で筐体に対向し、例えば筐体とともにネジ等で固定できるものであってもよい。
上記のように固定することで、例えばパッキン等の止水部材が対向するフランジと筐体の間で押圧されやすく、筐体と嵌合ケース間の止水性を確保できる。
また、前記嵌合ケースは前記コネクタを挿入嵌合するためのコネクタ嵌合部を有し、前記コネクタと前記コネクタ嵌合部との間に防水部材を有していてもよい。
本発明がパッキン等の防水部材の圧縮に必要な構造を備えることで、嵌合ケースとコネクタ間での防水性も確保できる。 In the present invention, the fitting case may have a flange for fixing to the housing, and may have a waterproof member between the flange and the housing.
The flange of the fitting case may face the housing while the fitting case is loosely fitted in the hole in the housing, and may be fixed together with the housing by screws or the like.
By fixing as described above, for example, a water stop member such as packing is easily pressed between the facing flange and the housing, and water stop between the housing and the fitting case can be ensured.
Further, the fitting case may have a connector fitting portion for inserting and fitting the connector, and may have a waterproof member between the connector and the connector fitting portion.
Since the present invention provides a structure necessary for compressing a waterproof member such as packing, it is possible to ensure waterproofness between the fitting case and the connector.

本発明において、前記嵌合ケースは前記コネクタとの接続状態をロックするためのロック手段を有していてもよい。
これにより、基板と電気接続したコネクタを嵌合ケースに係止できる。
また、嵌合ケースにコネクタが係止することで、嵌合ケースとコネクタ間で防水部材の圧縮状態を保ちやすい。 In the present invention, the fitting case may have locking means for locking the connection state with the connector.
As a result, the connector electrically connected to the substrate can be locked in the fitting case.
Further, since the connector is engaged with the fitting case, it is easy to maintain the compressed state of the waterproof member between the fitting case and the connector.

本発明に係るコネクタとの筐体嵌合構造は、筐体内への基板の取付寸法に合せて嵌合ケースを位置決めするために、この嵌合ケースを筐体穴に遊びをもって嵌合し、その後に基板の位置に合せて筐体に固定できる。
これにより、筐体と嵌合ケースとの間で位置ズレを吸収でき、位置ズレに起因して基板に曲げ応力負荷を加えることなく、基板とコネクタを安定して電気接続できる。 In the housing fitting structure for a connector according to the present invention, the fitting case is fitted into the housing hole with a play in order to position the fitting case in accordance with the mounting dimensions of the board in the housing, and then It can be fixed to the housing according to the position of the substrate.
As a result, the positional deviation between the housing and the fitting case can be absorbed, and the board and the connector can be stably electrically connected without applying a bending stress load to the board due to the positional deviation.

本発明に係るコネクタとの筐体嵌合構造例を示し、（ａ）は嵌合ケースを介して筐体内に配設した基板へのコネクタの嵌合前状態を、（ｂ）はその嵌合状態を示す。1 shows an example of a housing fitting structure with a connector according to the present invention, (a) showing a state before fitting of a connector to a board arranged in a housing through a fitting case, and (b) showing the fitting. Indicates status. コネクタとの筐体嵌合構造における構成部品例を示す。4 shows an example of component parts in a housing fitting structure with a connector. （ａ）、（ｂ）は嵌合ケースの構造例を示す。(a) and (b) show structural examples of the fitting case. （ａ）～（ｃ）はコネクタの構造例を示す。(a) to (c) show structural examples of connectors. 基板、嵌合ケース及び筐体の組み付け手順を、（ａ）、（ｂ）の順に示す。The procedure for assembling the board, fitting case and housing is shown in order of (a) and (b). 図５の続きを、（ｃ）、（ｄ）の順に示す。The continuation of FIG. 5 is shown in the order of (c) and (d). 基板の厚み方向がわかる縦断面図を示し、（ａ）は嵌合ケースのスリット孔への基板の挿入前状態を、（ｂ）はその挿入状態を示す。FIG. 2 shows vertical cross-sectional views showing the thickness direction of the board, where (a) shows the state before the board is inserted into the slit hole of the fitting case, and (b) shows the inserted state. 基板面に沿った方向がわかる横断面図を示し、（ａ）は嵌合ケースの係合部への基板の係合前状態を、（ｂ）はその係合状態を示す。Fig. 3 shows transverse cross-sectional views showing directions along the board surface, (a) showing the state before the board is engaged with the engaging portion of the fitting case, and (b) showing the engaged state. 基板とコネクタの嵌合状態がわかる縦断面図を示す。The vertical cross-sectional view which understands the fitting state of a board|substrate and a connector is shown. （ａ）は嵌合ケースの別構造例を示し、（ｂ）はそのコネクタとの筐体嵌合構造例を示す。(a) shows another structural example of the fitting case, and (b) shows an example of the housing fitting structure with the connector.

本発明に係るコネクタとの筐体嵌合構造を以下、図に基づいて説明する。
図１（ａ）に、嵌合ケース２０を介して筐体１内に配設した基板１０にコネクタ５０を嵌合する前の状態を示し、図１（ｂ）にその嵌合した状態を示す。
なお、本明細書では説明の便宜上、基板の厚み方向を上下方向、基板面に沿った方向を左右方向、コネクタの嵌合方向を前後方向と表現する。 A housing fitting structure with a connector according to the present invention will be described below with reference to the drawings.
FIG. 1(a) shows a state before the connector 50 is fitted to the board 10 arranged in the housing 1 via the fitting case 20, and FIG. 1(b) shows the fitted state. .
In this specification, for convenience of explanation, the thickness direction of the board is referred to as the vertical direction, the direction along the board surface is referred to as the lateral direction, and the connector fitting direction is referred to as the front-rear direction.

本明細書において筐体とは、電機・電子機器や装置等を内蔵可能なケース、箱等をいう。
筐体の大きさやこれに取り付ける嵌合ケース等の取付位置に制限はなく、図における筐体１は、その大きさや嵌合ケースの取付位置を制限しない意味で、一点鎖線を用いて表現した。
例えば図２に示すように、筐体１の取付面１ａには、嵌合ケース２０を遊嵌するための筐体穴２を設けてある。
基板１０は、図２に示すようにコネクタ５０との接続部付近のみを示してあるが、筐体１内にビス止め、カシメ等により取り付けられる。
基板１０には、その所定位置に平面視凹状の凹部１２、１２が形成され、凹部１２、１２間に凸状の端子部１１と、両端に側部１３、１３を有する。
本実施例は、端子部１１の上下両面に複数の端子１１ａを有する例であるが、端子部の片面にのみ端子が設けられていてもよい。
また、端子１１ａは基板に実装した電子部品等の配線パターンの一部として形成されている。 In this specification, the term "casing" refers to a case, box, or the like in which an electric/electronic device, device, or the like can be incorporated.
There are no restrictions on the size of the housing or the mounting position of the fitting case attached thereto, and the housing 1 in the figure is represented by a dashed line in the sense that the size and mounting position of the fitting case are not limited.
For example, as shown in FIG. 2, the mounting surface 1a of the housing 1 is provided with a housing hole 2 for loosely fitting a fitting case 20 therein.
As shown in FIG. 2, the substrate 10 is attached to the housing 1 by screwing, caulking, or the like, although only the vicinity of the connecting portion with the connector 50 is shown.
The substrate 10 has recesses 12 , 12 which are recessed in plan view at predetermined positions, and has a projecting terminal portion 11 between the recesses 12 , 12 and side portions 13 , 13 at both ends.
Although this embodiment is an example in which a plurality of terminals 11a are provided on both upper and lower surfaces of the terminal portion 11, terminals may be provided only on one side of the terminal portion.
Also, the terminal 11a is formed as part of a wiring pattern of an electronic component or the like mounted on the substrate.

図３（ａ）、（ｂ）に、嵌合ケース２０の構造例を示す。
嵌合ケース２０は、略筒状の本体部の一方端が背面部２５で閉塞され、他方端が開口し、本体部の外周面に外側へ張り出したフランジ２２を有する。
フランジ２２は、その背面側にパッキン等の止水部材２３を装着でき、止水部材２３よりも外側に取付孔２２ａ、２２ｂが設けられている。
嵌合ケース２０の内側には、後述するコネクタ５０のハウジング５１が嵌合するコネクタ嵌合部２１が形成されている。
コネクタ嵌合部２１は、嵌合相手であるハウジング５１に対応する形状であれば特に制限はなく、例えばコネクタ嵌合部２１が所定位置に凹溝２１ａ、２１ｂを有し、これに対応する凸状部５１ａ、５１ｂを備えたハウジング５１を嵌入すれば、嵌合ケース２０に対してコネクタ５０を高い位置精度で保持できる。
また、コネクタ嵌合部２１の一部に形成された係止凹部３２は、その所定位置に係止孔３３を有することで、後述するコネクタ５０（ハウジング５１）のロック爪５２を挿入、係止できる。
嵌合ケース２０の本体部のうち、フランジ２２より後側の本体後部２４が、筐体穴２に遊嵌して筐体１内に配設される。
図２で説明すると、筐体穴２の開口部の上下方向の寸法Ｈ０及び幅方向の寸法Ｗ０は、それぞれ嵌合ケース２０の本体後部２４の外形形状の上下寸法Ｈ１、幅寸法Ｗ１よりも大きい。
一方、フランジ２２を筐体１の取付面１ａに取り付けることで、本体前部３１は筐体１外に配設される。
なお、本体前部３１は必ずしも筒状に限定されるわけでなく、その内側にコネクタ５０を嵌合及び／又は係止できれば、例えば半円状等であってもよい。
本体後部２４から段差部２６を介して後側に背面部２５が延在し、この背面部２５にスリット孔２７が設けられている。
スリット孔２７は、背面部２５を前後及び左右方向に貫通する直線状であり、その隙間寸法が基板１０の厚みに対応することで、基板１０の端子部１１が挿入可能である。 3A and 3B show structural examples of the fitting case 20. FIG.
The fitting case 20 has a substantially tubular main body with one end closed by a back surface 25 and the other end open, and has a flange 22 projecting outward on the outer peripheral surface of the main body.
A water stop member 23 such as a packing can be attached to the back side of the flange 22 , and mounting holes 22 a and 22 b are provided outside the water stop member 23 .
Inside the fitting case 20, there is formed a connector fitting portion 21 into which a housing 51 of a connector 50, which will be described later, is fitted.
The connector fitting portion 21 is not particularly limited as long as it has a shape corresponding to the housing 51 to which it is fitted. By inserting the housing 51 having the shaped portions 51a and 51b, the connector 50 can be held in the fitting case 20 with high positional accuracy.
The locking recess 32 formed in a part of the connector fitting portion 21 has a locking hole 33 at a predetermined position, so that a locking claw 52 of a connector 50 (housing 51) described later can be inserted and locked. can.
Of the body portion of the fitting case 20 , the body rear portion 24 on the rear side of the flange 22 is loosely fitted in the housing hole 2 and disposed inside the housing 1 .
2, the vertical dimension H 0 and the width dimension W 0 of the opening of the housing hole 2 are the vertical dimension H 1 and the width dimension W of the outer shape of the main body rear portion 24 of the fitting case 20, respectively. Greater than 1 .
On the other hand, by attaching the flange 22 to the mounting surface 1 a of the housing 1 , the main body front portion 31 is arranged outside the housing 1 .
Note that the main body front portion 31 is not necessarily limited to a cylindrical shape, and may be semicircular, for example, as long as the connector 50 can be fitted and/or locked inside thereof.
A rear portion 25 extends rearward from the main body rear portion 24 via a stepped portion 26 , and a slit hole 27 is provided in the rear portion 25 .
The slit hole 27 has a linear shape that penetrates the rear surface portion 25 in the front-rear and left-right directions, and the gap dimension corresponds to the thickness of the substrate 10, so that the terminal portion 11 of the substrate 10 can be inserted.

コネクタ５０の構造例を、図４（ａ）～（ｃ）に示す。
コネクタ５０は、嵌合ケース２０のコネクタ嵌合部２１へ嵌入するハウジング５１を備え、本実施例においては、略楕円柱状のハウジング５１の外周面の所定位置に凸状部５１ａ、５１ｂが形成されている。
また、ハウジング５１の外周面であって、コネクタ嵌合部２１の係止凹部３２に対応する位置に設けられたロック爪５２が、係止凹部３２の係止孔３３に挿入可能である。
ロック爪５２は、その前側に位置する押下部５３と一体的な構造であり、押下部５３を押し下げることで撓るようにロック爪５２が係止孔３３から抜去される。
ハウジング５１は、背面に基板１０の端子部１１を挿入する挿入口５４が形成され、その背面側の外周面にパッキン等の防水部材５７が装着されている。
ハウジング５１内には、ケーブル５６の芯線と接続した接触片５５が複数保持され、接触片５５は端子部１１上の端子１１ａに摺接するように先端部が山形に形成されている。
本実施例は図４（ｂ）に示すように、接触片５５，５５を上下両側に対向して配設し、接触片５５、５５の先端部間に基板１０の端子部１１を挿入すると、接触片５５、５５の先端部が端子部１１の両面上の端子１１ａ、１１ａにそれぞれ接触する。
なお、接触片５５が上下片側にのみハウジング５１内に配設されたコネクタ５０であってもよい。
また、ケーブル５６と接触片５５の接続部側を防水用の接着剤等で保護することで、ハウジング５１内の防水性を確保できる。 Examples of the structure of the connector 50 are shown in FIGS. 4(a) to 4(c).
The connector 50 has a housing 51 that fits into the connector fitting portion 21 of the fitting case 20. In this embodiment, convex portions 51a and 51b are formed at predetermined positions on the outer peripheral surface of the housing 51 that has a substantially cylindric shape. ing.
Further, a locking claw 52 provided on the outer peripheral surface of the housing 51 at a position corresponding to the locking recess 32 of the connector fitting portion 21 can be inserted into the locking hole 33 of the locking recess 32 .
The lock claw 52 has a structure integral with the push-down portion 53 located on the front side thereof, and the lock claw 52 is pulled out from the locking hole 33 so as to be bent by pushing down the push-down portion 53 .
The housing 51 has an insertion opening 54 for inserting the terminal portion 11 of the substrate 10 on the rear surface thereof, and a waterproof member 57 such as packing is attached to the outer peripheral surface of the rear surface side.
A plurality of contact pieces 55 connected to the core wire of the cable 56 are held in the housing 51 , and the tip of the contact piece 55 is formed in a mountain shape so as to be in sliding contact with the terminal 11 a on the terminal portion 11 .
In this embodiment, as shown in FIG. 4(b), contact pieces 55, 55 are disposed facing each other on both upper and lower sides. The tips of the contact pieces 55, 55 contact the terminals 11a, 11a on both sides of the terminal portion 11, respectively.
The connector 50 may have the contact pieces 55 arranged in the housing 51 only on the upper and lower sides.
In addition, by protecting the connecting portion side of the cable 56 and the contact piece 55 with a waterproof adhesive or the like, the waterproof property in the housing 51 can be ensured.

図５、６に基づいて、筐体内に配設した基板に合せて嵌合ケースを組み付ける手順を説明する。
図５（ａ）に示すように、筐体１外から嵌合ケース２０の本体後部２４を筐体穴２に遊嵌し、図５（ｂ）に示すように、筐体１内で基板の端子部１１を嵌合ケースのスリット孔２７に挿入する。
図５（ｂ）の状態において、基板１０の厚み方向がわかる縦断面図を図７（ａ）に、基板面に沿った方向がわかる横断面図を図８（ａ）に示す。
この際に、本体後部２４の外形寸法（Ｈ１、Ｗ１）よりも筐体穴２の開口部の寸法（Ｈ０、Ｗ０）の方が大きいので、嵌合ケース２０は筐体穴２内にて上下、左右に動く状態にある。
次に、図６（ｃ）に示すように、ネジ等の取付部材４０でフランジ２２を取付面１ａに取り付ける。
フランジ２２に設けた取付孔２２ａ、２２ｂの内径寸法Ｄは、取付部材４０のネジ外形寸法Ｍよりも大きく、後述するように基板の端子部１１の位置に合せて嵌合ケース２０の上下方向Ｈ及び幅方向Ｗを位置決めした状態で、取付部材４０を筐体１の被取付孔３ａ、３ｂに向けて締め込むことで嵌合ケース２０を固定できる。
なお、本実施例はフランジ２２に設けた取付孔２２ａ、２２ｂを用いて筐体に嵌合ケースを固定する例であり、筐体の取付面に取付孔２２ａ、２２ｂと対応する被取付孔３ａ、３ｂを設けた例であるが、特にフランジ２２の取付方法に制限はない。
例えば、嵌合ケースを位置決めした後に固定する係止爪を筐体側に設けてもよい。
これにより、図６（ｄ）に示すように嵌合ケース２０を基板１０に合せて位置決めし、基板１０を保持したことで基板への負荷を軽減できる。
この際の縦断面図、横断面図をそれぞれ図７（ｂ）、図８（ｂ）に示す。
図７（ａ）、（ｂ）に示すように、スリット孔２７の隙間寸法が基板１０の厚み方向に対応することで、コネクタ嵌合部２１に対して突出する端子部１１の上下方向Ｈの位置が決められる。
また、図８（ａ）、（ｂ）に示すように、基板１０の凹部１２に嵌合ケース２０の段差部２６が当接するとともに、側部１３の内側に本体後部２４の外周面が当接することで、段差部２６と本体後部２４が凹部１２に係合する係合部となる。
これにより、コネクタ嵌合部２１に対して突出する端子部１１の幅方向Ｗの位置が決められる。
このように基板１０の厚み、幅に合せて嵌合ケース２０が位置決めされるとともに、基板１０が嵌合ケース２０に保持される。
なお、フランジ２２の背面側に装着された止水部材２３が、取付部材４０の締め付けにより筐体１に押圧され、フランジ２２と取付面１ａの間を止水する。 Based on FIGS. 5 and 6, the procedure for assembling the fitting case in accordance with the board arranged in the housing will be described.
As shown in FIG. 5(a), the body rear portion 24 of the fitting case 20 is loosely fitted into the housing hole 2 from the outside of the housing 1, and as shown in FIG. The terminal portion 11 is inserted into the slit hole 27 of the fitting case.
In the state of FIG. 5(b), FIG. 7(a) is a vertical cross-sectional view showing the thickness direction of the substrate 10, and FIG. 8(a) is a cross-sectional view showing the direction along the substrate surface.
At this time, since the dimensions (H 0 , W 0 ) of the opening of the housing hole 2 are larger than the external dimensions (H 1 , W 1 ) of the main body rear portion 24 , the fitting case 20 is positioned at the housing hole 2 . It is in a state of moving up and down, left and right inside.
Next, as shown in FIG. 6(c), the flange 22 is attached to the attachment surface 1a with an attachment member 40 such as a screw.
The inner diameter D of the mounting holes 22a and 22b provided in the flange 22 is larger than the screw outer dimension M of the mounting member 40. The fitting case 20 can be fixed by tightening the mounting member 40 toward the mounting holes 3 a and 3 b of the housing 1 in a state where the width direction W is positioned.
This embodiment is an example in which the fitting case is fixed to the housing using the mounting holes 22a and 22b provided in the flange 22. The mounted hole 3a corresponding to the mounting holes 22a and 22b is formed on the mounting surface of the housing. , 3b are provided, the mounting method of the flange 22 is not particularly limited.
For example, locking claws for fixing the fitting case after positioning may be provided on the housing side.
As a result, as shown in FIG. 6(d), the fitting case 20 is aligned with the substrate 10 and the substrate 10 is held, thereby reducing the load on the substrate.
A vertical sectional view and a horizontal sectional view at this time are shown in FIGS. 7(b) and 8(b), respectively.
As shown in FIGS. 7A and 7B, the gap dimension of the slit hole 27 corresponds to the thickness direction of the substrate 10, so that the vertical direction H of the terminal portion 11 projecting from the connector fitting portion 21 is reduced. position can be determined.
As shown in FIGS. 8A and 8B, the stepped portion 26 of the fitting case 20 abuts against the concave portion 12 of the substrate 10, and the outer peripheral surface of the rear portion 24 of the main body abuts against the inside of the side portion 13. As a result, the stepped portion 26 and the main body rear portion 24 become engaging portions that engage with the concave portion 12 .
Thereby, the position in the width direction W of the terminal portion 11 protruding from the connector fitting portion 21 is determined.
In this manner, the fitting case 20 is positioned according to the thickness and width of the substrate 10 and the substrate 10 is held by the fitting case 20 .
The water stop member 23 attached to the rear side of the flange 22 is pressed against the housing 1 by tightening the mounting member 40, thereby stopping water between the flange 22 and the mounting surface 1a.

図９に、上記のように筐体１内に配設された基板１０に対して、コネクタ５０が嵌合した状態（図１（ｂ）に示す状態）の縦断面図を示す。
コネクタ嵌合部２１に対して基板１０の上下方向、左右方向が位置決めされているので、コネクタ嵌合部２１と嵌合するコネクタのハウジング５１の挿入口５４から接触片５５、５５間に基板１０の端子部１１が寸法精度高く挿入されている。
また、ハウジング５１に設けたロック爪５２がコネクタ嵌合部２１の係止孔３３に挿入し、ロック爪５２の前側が係止凹部３２に当接することで、コネクタ５０と嵌合ケース２０との嵌合状態はロックされている。
なお、この際にハウジング５１の背面側に装着した防水部材５７がコネクタ嵌合部２１に押圧され、コネクタ嵌合部２１とコネクタ５０のハウジング５１の間を防水する。 FIG. 9 shows a vertical cross-sectional view of a state (the state shown in FIG. 1B) in which the connector 50 is fitted to the board 10 arranged in the housing 1 as described above.
Since the substrate 10 is positioned with respect to the connector fitting portion 21 in the vertical direction and the horizontal direction, the substrate 10 is positioned between the contact pieces 55 and 55 from the insertion opening 54 of the housing 51 of the connector fitting with the connector fitting portion 21 . is inserted with high dimensional accuracy.
Further, the locking claws 52 provided on the housing 51 are inserted into the locking holes 33 of the connector fitting portion 21 and the front sides of the locking claws 52 abut against the locking recesses 32, so that the connector 50 and the fitting case 20 are locked together. The mated state is locked.
At this time, the waterproof member 57 attached to the back side of the housing 51 is pressed against the connector fitting portion 21 to waterproof the space between the connector fitting portion 21 and the housing 51 of the connector 50 .

図１０（ａ）に嵌合ケース２０の別実施例を示す。
本実施例は、基板１０に設けた凹部１２を嵌合ケース２０により係合しやすいように、基板１０の側部１３を導入する導入スリット２８を段差部２６，本体後部２４に設けた例である。
これにより、図１０（ｂ）に示すように、基板１０の側部１３を導入スリット２８に沿わせて端子部をスリット孔に挿入でき、基板１０に合せて嵌合ケース２０をより位置決めしやすい。 Another embodiment of the fitting case 20 is shown in FIG.
This embodiment is an example in which an introduction slit 28 for introducing the side portion 13 of the substrate 10 is provided in the stepped portion 26 and the main body rear portion 24 so that the concave portion 12 provided in the substrate 10 can be easily engaged with the fitting case 20. be.
As a result, as shown in FIG. 10(b), the terminal portion can be inserted into the slit by aligning the side portion 13 of the substrate 10 along the introduction slit 28, making it easier to position the fitting case 20 in accordance with the substrate 10. .

１ 筐体
２ 筐体穴
１０ 基板
１１ 端子部
１２ 凹部
２０ 嵌合ケース
２１ コネクタ嵌合部
２２ フランジ
２３ 止水部材
２７ スリット孔
５０ コネクタ
５１ ハウジング
５２ ロック爪
５５ 接触片
５７ 防水部材 1 housing 2 housing hole 10 substrate 11 terminal portion 12 recess 20 fitting case 21 connector fitting portion 22 flange 23 water stop member 27 slit hole 50 connector 51 housing 52 lock claw 55 contact piece 57 waterproof member

Claims (4)

嵌合ケースを介して筐体内に配設した基板にカードエッジ用のコネクタを直接的に電気接続できるコネクタとの筐体嵌合構造であって、
筐体内に配設した基板と、
筐体に設けた筐体穴と、
前記筐体穴に遊嵌した嵌合ケースとを備え、
前記嵌合ケースは前記筐体とは別部品であり、略筒状の本体部と前記本体部の外周面に外側へ張り出したフランジを有し、
前記嵌合ケースは前記基板の厚みに対応する隙間寸法からなるスリット孔を有するとともに前記基板の端部を前記スリット孔に挿入し、前記基板の上下方向に合わせて位置決めされ、
前記基板は端部に前記基板の幅方向に沿って凹部又は凸部を有し、
前記嵌合ケースは前記基板の端部に設けた凹部又は凸部に係合する係合部を有し、該係合部が前記凹部又は凸部に係合することで前記嵌合ケースの幅方向が位置決めされた状態で前記フランジに設けた取付孔にて嵌合ケースが前記筐体側に固定されていることを特徴とするコネクタとの筐体嵌合構造。 A housing fitting structure with a connector capable of directly electrically connecting a card edge connector to a substrate arranged in the housing via a fitting case,
a substrate disposed within a housing;
a housing hole provided in the housing;
a fitting case loosely fitted in the housing hole,
The fitting case is a separate part from the housing, and has a substantially cylindrical main body and a flange projecting outward from the outer peripheral surface of the main body,
The fitting case has a slit hole with a clearance dimension corresponding to the thickness of the substrate, and the end portion of the substrate is inserted into the slit hole, and is aligned with the substrate in the vertical direction,
The substrate has a concave portion or a convex portion along the width direction of the substrate at an end,
The fitting case has an engaging portion that engages with a concave portion or a convex portion provided at an end portion of the substrate, and the engaging portion engages with the concave portion or the convex portion to reduce the width of the fitting case. 1. A housing fitting structure for a connector, wherein a fitting case is fixed to the housing side in a mounting hole provided in the flange in a state where the direction is positioned. 前記フランジと前記筐体側との間に止水部材を有していることを特徴とする請求項１記載のコネクタとの筐体嵌合構造。 2. The connector-to-housing fitting structure according to claim 1 , further comprising a waterproof member between said flange and said housing side. 前記嵌合ケースは前記コネクタを挿入嵌合するためのコネクタ嵌合部を有し、
前記コネクタと前記コネクタ嵌合部との間に防水部材を有していることを特徴とする請求項２記載のコネクタとの筐体嵌合構造。 The fitting case has a connector fitting portion for inserting and fitting the connector,
3. A housing fitting structure for a connector according to claim 2 , further comprising a waterproof member between said connector and said connector fitting portion. 前記嵌合ケースは前記コネクタとの接続状態をロックするためのロック手段を有していることを特徴とする請求項３記載のコネクタとの筐体嵌合構造。 4. A housing fitting structure with a connector according to claim 3 , wherein said fitting case has locking means for locking a connection state with said connector.
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JPS5855791Y2 (en) * 1978-11-17 1983-12-21 日新電機株式会社 Printed circuit board storage device
JPS58116291U (en) * 1982-01-31 1983-08-08 アンリツ株式会社 Unit housing case
JP2833451B2 (en) * 1993-10-28 1998-12-09 住友電装株式会社 Card edge connector

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