JP2004006145A - Connector coming-out prevention structure of electronic apparatus - Google Patents

Connector coming-out prevention structure of electronic apparatus Download PDF

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Publication number
JP2004006145A
JP2004006145A JP2002160434A JP2002160434A JP2004006145A JP 2004006145 A JP2004006145 A JP 2004006145A JP 2002160434 A JP2002160434 A JP 2002160434A JP 2002160434 A JP2002160434 A JP 2002160434A JP 2004006145 A JP2004006145 A JP 2004006145A
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Japan
Prior art keywords
connector
lid
case body
opening
electronic device
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.)
Granted
Application number
JP2002160434A
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Japanese (ja)
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JP3926678B2 (en
Inventor
Hiroyuki Inagaki
稲垣　広行
Isamu Warashina
藁品　勇
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Azbil Corp
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Azbil Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a coming-out prevention structure of a connector for an electronic apparatus which is simple in structure and superior in durability. <P>SOLUTION: The connector device comprises a case body 10 having a recess 14, a circuit board 21 which is housed in the recess and of which on the end a connector 22 is mounted, and a lid 26 locked to the case body in a closed state covering the opening of the recess. The lid 26 is turnably supported by the case body at one end and comprises at the other end a hook 29 engaged with the outside connector coupled to the connector in the closed state of the lid. <P>COPYRIGHT: (C)2004,JPO

Description

【０００１】
【発明の属する技術分野】
本発明は、電子機器のコネクタ抜け止め構造に関するものである。
【０００２】
【従来の技術】
回路基板にコネクタを搭載し、このコネクタ（以下、雌コネクタという）に外部コードのコネクタ（以下、雄コネクタという）を連結させる構造を備えた電子機器では、雄コネクタが該コネクタに作用する外力によって抜ける虞がある。
そこで、このような電子機器では、雄コネクタを挿入させるために形成したケース本体の孔の周縁にコネクタ抜け止め手段を配設している。
【０００３】
このようなコネクタ抜け止め手段としては、例えば、先端に爪を備えたレバーをケース本体に配設し、雄コネクタを雌コネクタに結合させた状態で、レバーの爪を雄コネクタに係合させて雄コネクタの抜け止めを行っているもの，孔の周縁に爪を突設し、該爪の弾性を利用して雄コネクタを雌コネクタに係合させて雄コネクタの抜け止めを行っているもの等がある。
【０００４】
【発明が解決しようとする課題】
上記従来の電子機器におけるコネクタの抜け止め構造は以上のように構成されているので、前者の場合はコネクタを結合させた状態でレバーをロックしなければならず、ロック機構を必要とするため、構造が複雑になり、また後者の場合は爪を撓めてコネクタの着脱を行うため、爪の耐久性が低下する虞があるなどの課題があった。
【０００５】
この発明は、上記のような課題を解決するためになされたもので、簡単な構造で、耐久性に優れた電子機器におけるコネクタの抜け止め構造を提供することを目的とする。
【０００６】
【課題を解決するための手段】
この発明に係る電子機器のコネクタ抜け止め構造は、コネクタを搭載した回路基板を収容した凹部の開口を被う蓋体を備え、この蓋体は、一端が前記ケース本体に回動自在に支持され、他端に、前記蓋体の閉成状態で、前記コネクタに結合された外部コネクタに係合するフックを備えているものである。
【０００７】
この発明に係る電子機器のコネクタ抜け止め構造は、蓋体の先端部に、該蓋体を開成するための工具挿入孔を形成したものである。
【０００８】
この発明に係る電子機器のコネクタ抜け止め構造は、前記蓋体の側辺に張出し部を形成し、該張出し部をケース本体の側壁に載置させるようにしたものである。
【０００９】
この発明に係る電子機器のコネクタ抜け止め構造は、前記ケース本体に外部コネクタ挿入用開口を形成し、外部コネクタを前記回路基板のコネクタに案内するように、前記外部コネクタ挿入用開口を画成する壁面を外方に向かって開く斜面に形成したものである。
【００１０】
この発明に係る電子機器のコネクタ抜け止め構造は、蓋体の閉成状態で、該蓋体でコネクタを押圧保持させるように、前記蓋体の閉成高さを設定したものである。
【００１１】
【発明の実施の形態】
以下、この発明の実施の一形態を説明する。
実施の形態１．
図１はこの発明のコネクタの抜け止め構造を備えた流量計の概念的な分解斜視図、図２はその抜け止め構造の要部を示した斜視図、図３は外部コネクタ挿入用開口部の拡大平面図、図４は図１に示した流量計の縦断面図、図５は図１に示した流量計の平面図である。
【００１２】
この流量計では、図４に示したように、ケース本体１０の下部に流路１１が形成されている。この流路は、ケース本体１０の両端面にそれぞれ形成された入口ポート１２，出口ポート１３に対して垂直に形成された流路部分１１ａ，１１ｂと、それらの上端部を連通するように形成された流路部分１１ｃとによってコ字状に形成されている。
【００１３】
また、ケース本体１０は、図１に示したように、上部に上方に開口する凹部１４を有している。この凹部１４は、側壁１５，１６と端壁１７，１８とによって形成されている。そして、この凹部１４の底壁１９には、その中央部に流路部分１１ｃに開口する溝２０が形成されている。
【００１４】
そして、凹部１４の底壁１９には回路基板２１が接着剤等によって固定され、該回路基板によって溝２０の上方開口が塞がれて、流路部分１１ｃが形成される。この回路基板２１には、上面にコネクタ（以下、雌コネクタという）２２や各種機能をもった素子が搭載されている。また、回路基板２１の下面中央部には、雌コネクタ２２に接続されたマイクロフローセンサ２３が接着剤等によって固定されており、該センサ２３は流路１１内に臨んで配置される。
【００１５】
ケース本体１０の凹部１４を画成する側壁１５，１６の一端には、図５に示したように、孔２４，２５が形成されている。そして、それらの孔２４，２５には、蓋体２６の一端部側面にそれぞれ突設させたピン２７，２８が挿嵌され、それによって蓋体２６が側壁１５，１６に対して回動自在に保持されている。
【００１６】
この蓋体２６には、先端にフック２９が形成され、先端部の両側面に突起３０，３１がそれぞれ形成されている。さらに、この蓋体２６の先端部中央には孔３２が形成されており、この孔３２は、図４に示したように、外方に広がる斜面３２ａを有している。また、この蓋体２６の両側辺には張出し部３３，３４が形成されている。
【００１７】
一方、側壁１５，１６の他端には、爪状の切欠き３５，３６が形成され、さらに、中間部には、段状の切欠き３７，３８が形成されている。
また、一方の端壁１８には、雌コネクタ２２の開口２２ａに合致する形状の開口３９が形成されている。そして、この開口３９を画成する縁面は外方に向けて広がる傾斜面（湾曲面を含む）３９ａによって形成されている。
【００１８】
そして、この流量計は、蓋体２６を開成させた状態で、開口３９からコード４０を有する外部コネクタ（以下、雄コネクタという）４１を挿入すると、該雄コネクタは雌コネクタ２２に結合される。その際に、雄コネクタ４１は開口３９の斜面３９ａによって雌コネクタ２２に対して正しく案内され、コネクタ同士の結果が確実に行われる。
次いで、この蓋体２６を、ピン２７，２８を中心にして回動させ、先端の突起３０，３１を側壁１５，１６の切欠き３５，３６に係合させることによって、ケース本体１０に係止させる。
この状態では、蓋体２６は雌コネクタ２２を押圧保持するので、雌コネクタ２２は凹部１４内に確実に保持される。また、蓋体２６の張出し部３３，３４が側壁１５，１６の段状切欠き３７，３８に載置されるため、蓋体２６は外力によって受けても変形、破損を阻止する。
また、蓋体２６のフック２９が図４に示したように、雄コネクタ４１の挿入方向後端に係止するため、該雄コネクタが雌コネクタ２２から抜け出すのを防止する。
【００１９】
雄コネクタ４１を雌コネクタ２２から抜く場合には、蓋体２６の孔３２にドライバー等の工具の先端を挿入し、該ドライバーによって蓋体２６を開成して、フック２９と雄コネクタ４１との係合を解除すればよい。
【００２０】
なお、この流量計では、図１に示したように、入口ポート１２に例えば、先端に吸着パッド（図示せず）等を備えたホース４２のコネクタ４３を結合させ、出口ポート１３に真空ポンプ（図示せず）等に接続したホース４４のコネクタ４５を結合させる。
そして、真空ポンプを作動させると、流体は入口ポート１２から流路１１の流路部分１１ａに吸引され、流路部分１１ｃ，１１ｂ，出口ポート１３を経て真空ポンプに吸引される。
その際、流体は流路部分１１ｃにおいて、センサ２３によって流速が計測される。
【００２１】
【発明の効果】
以上のように、この発明によれば、凹部を有するケース本体と、前記凹部に収容設置され、端部にコネクタを搭載した回路基板と、前記凹部の開口を被った閉成状態で本体ケースに係止される蓋体と、前記蓋体は、一端が前記ケース本体に回動自在に支持され、他端に、前記蓋体の閉成状態で、前記コネクタに結合された外部コネクタに係合するフックを備えて構成したので、特別にコネクタ抜け止め手段を設けることなく、しかも蓋体にフックを形成するだけなので、構造も極めて単純であるという効果がある。
【００２２】
この発明によれば、蓋体の先端部に、該蓋体を開成するための工具挿入孔を形成して構成したので、ドライバー等の工具を孔に挿入することによって蓋体を容易に開成することができるという効果がある。
【００２３】
この発明によれば、蓋体の側辺に張出し部を形成し、該張出し部をケース本体の側壁に載置させるようにして構成したので、蓋体に外力が加わっても、蓋体が凹む変形する虞はなく、回路基板上の素子を保護することができるという効果がある。
【００２４】
この発明によれば、ケース本体に外部コネクタ挿入用開口を形成し、外部コネクタを前記回路基板のコネクタに案内するように、前記外部コネクタ挿入用開口を画成する壁面を外方に向かって開く斜面に構成したので、外部コネクタを回路基板のコネクタに容易に結合させることができるという効果がある。
【００２５】
この発明によれば、蓋体の閉成状態で該蓋体でコネクタを押圧保持させるように、蓋体の閉成高さを設定して構成したので、回路基板上のコネクタはケース本体に確実に保持されるという効果がある。
【図面の簡単な説明】
【図１】この発明のコネクタ抜け止め構造を備えた流量計の概念的な分解斜視図である。
【図２】図１に示した流量計の要部を示した斜視図である。
【図３】外部コネクタ挿入用開口部の拡大平面図である。
【図４】図１に示した流量計の縦断面図である。
【図５】図１に示した流量計の平面図である。
【符号の説明】
１０　ケース本体
１１　流路
１１ａ，１１ｂ，１１ｃ　流路部分
１４　凹部
１５，１６　側壁
１７，１８　端壁
１９　底壁
２１　回路基板
２２　雌コネクタ
２３　センサ
２６　蓋体
２７，２８　ピン
２９，３０　突起
３２ａ　斜面
３３，３４　張出し部
３５，３６　爪状の切欠き
３７，３８　段状の切欠き
３９　開口
３９ａ　傾斜面
４１　雄コネクタ[0001]
TECHNICAL FIELD OF THE INVENTION
The present invention relates to a connector retaining structure for an electronic device.
[0002]
[Prior art]
In an electronic device having a structure in which a connector is mounted on a circuit board and a connector of an external cord (hereinafter, referred to as a male connector) is connected to the connector (hereinafter, referred to as a female connector), the male connector is operated by an external force acting on the connector. There is a risk of falling off.
Therefore, in such an electronic device, a connector slip-off preventing means is provided around the periphery of the hole of the case body formed for inserting the male connector.
[0003]
As such a connector retaining means, for example, a lever provided with a claw at the tip is disposed on the case body, and in a state where the male connector is coupled to the female connector, the claw of the lever is engaged with the male connector. The male connector is retained, the male connector is engaged by engaging the male connector with the female connector by utilizing the elasticity of the claw, and the male connector is retained. There is.
[0004]
[Problems to be solved by the invention]
Since the connector retaining structure in the above-mentioned conventional electronic device is configured as described above, in the former case, the lever must be locked in a state where the connector is connected, and a locking mechanism is required, The structure becomes complicated, and in the latter case, since the connector is attached and detached by bending the claws, there is a problem that the durability of the claws may be reduced.
[0005]
SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems, and has as its object to provide a connector having a simple structure and excellent durability, which prevents the connector from coming off.
[0006]
[Means for Solving the Problems]
A connector retaining structure for an electronic device according to the present invention includes a lid that covers an opening of a recess accommodating a circuit board on which a connector is mounted, and one end of the lid is rotatably supported by the case body. The other end is provided with a hook that engages with an external connector coupled to the connector when the lid is closed.
[0007]
In the connector retaining structure for an electronic device according to the present invention, a tool insertion hole for opening the lid is formed at the tip of the lid.
[0008]
In the electronic device connector retaining structure according to the present invention, an overhang portion is formed on a side of the lid, and the overhang portion is mounted on a side wall of the case body.
[0009]
In the connector retaining structure for an electronic device according to the present invention, an external connector insertion opening is formed in the case main body, and the external connector insertion opening is defined so as to guide the external connector to the connector on the circuit board. The wall is formed on a slope that opens outward.
[0010]
In the connector retaining structure for an electronic device according to the present invention, the closing height of the lid is set so that the connector is pressed and held by the lid when the lid is closed.
[0011]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, an embodiment of the present invention will be described.
Embodiment 1 FIG.
FIG. 1 is a conceptual exploded perspective view of a flowmeter having a connector retaining structure of the present invention, FIG. 2 is a perspective view showing a main part of the retaining structure, and FIG. FIG. 4 is an enlarged plan view, FIG. 4 is a vertical sectional view of the flow meter shown in FIG. 1, and FIG. 5 is a plan view of the flow meter shown in FIG.
[0012]
In this flow meter, as shown in FIG. 4, a flow path 11 is formed at a lower portion of the case main body 10. The flow paths are formed so as to communicate with flow path portions 11a and 11b formed perpendicularly to the inlet port 12 and the outlet port 13 respectively formed on both end surfaces of the case body 10, and their upper ends. The channel portion 11c is formed in a U-shape.
[0013]
Further, as shown in FIG. 1, the case body 10 has a concave portion 14 that opens upward at the upper part. The recess 14 is formed by side walls 15 and 16 and end walls 17 and 18. A groove 20 is formed in the bottom wall 19 of the concave portion 14 at the center thereof so as to open to the flow path portion 11c.
[0014]
Then, a circuit board 21 is fixed to the bottom wall 19 of the recess 14 with an adhesive or the like, and the upper opening of the groove 20 is closed by the circuit board, thereby forming the flow path portion 11c. A connector (hereinafter referred to as a female connector) 22 and elements having various functions are mounted on the upper surface of the circuit board 21. At the center of the lower surface of the circuit board 21, a micro flow sensor 23 connected to the female connector 22 is fixed by an adhesive or the like, and the sensor 23 is arranged facing the inside of the flow path 11.
[0015]
As shown in FIG. 5, holes 24 and 25 are formed at one ends of the side walls 15 and 16 that define the concave portion 14 of the case body 10. Pins 27 and 28 projecting from the side surfaces of one end of the lid 26 are inserted into the holes 24 and 25, whereby the lid 26 is rotatable with respect to the side walls 15 and 16. Is held.
[0016]
A hook 29 is formed on the tip of the lid 26, and projections 30 and 31 are formed on both side surfaces of the tip. Further, a hole 32 is formed in the center of the front end portion of the lid 26, and the hole 32 has a slope 32a that spreads outward as shown in FIG. Also, overhanging portions 33 and 34 are formed on both sides of the lid 26.
[0017]
On the other hand, claw-shaped notches 35 and 36 are formed at the other ends of the side walls 15 and 16, and step-shaped notches 37 and 38 are formed at an intermediate portion.
An opening 39 having a shape matching the opening 22 a of the female connector 22 is formed in one end wall 18. The edge surface that defines the opening 39 is formed by an inclined surface (including a curved surface) 39a that spreads outward.
[0018]
In this flow meter, when an external connector (hereinafter referred to as a male connector) 41 having a cord 40 is inserted from the opening 39 with the lid 26 opened, the male connector is connected to the female connector 22. At this time, the male connector 41 is correctly guided by the slope 39a of the opening 39 with respect to the female connector 22, and the results of the connectors are reliably performed.
Next, the lid 26 is rotated about the pins 27 and 28, and the projections 30 and 31 at the tips are engaged with the notches 35 and 36 of the side walls 15 and 16, thereby locking the case body 10. Let it.
In this state, since the lid 26 presses and holds the female connector 22, the female connector 22 is securely held in the recess 14. Further, since the overhang portions 33 and 34 of the lid 26 are placed in the stepped notches 37 and 38 of the side walls 15 and 16, the lid 26 is prevented from being deformed or damaged even if it is subjected to an external force.
Further, since the hook 29 of the lid 26 is locked at the rear end in the insertion direction of the male connector 41 as shown in FIG. 4, the male connector 41 is prevented from coming off from the female connector 22.
[0019]
When disconnecting the male connector 41 from the female connector 22, insert the tip of a tool such as a screwdriver into the hole 32 of the lid 26, open the lid 26 with the driver, and engage the hook 29 with the male connector 41. It is only necessary to cancel the combination.
[0020]
In this flow meter, as shown in FIG. 1, for example, a connector 43 of a hose 42 having a suction pad (not shown) at its tip is coupled to the inlet port 12, and a vacuum pump ( The connector 45 of the hose 44 connected to the not-shown) is connected.
Then, when the vacuum pump is operated, the fluid is sucked from the inlet port 12 to the channel portion 11a of the channel 11, and is sucked by the vacuum pump through the channel portions 11c and 11b and the outlet port 13.
At this time, the flow rate of the fluid is measured by the sensor 23 in the flow path portion 11c.
[0021]
【The invention's effect】
As described above, according to the present invention, the case main body having the concave portion, the circuit board accommodated and installed in the concave portion, and the connector mounted on the end portion, and the main body case in the closed state covering the opening of the concave portion are provided. One end of the lid to be locked and the lid is rotatably supported by the case body, and the other end engages with an external connector coupled to the connector when the lid is closed. Since the connector is provided with a hook, the connector is not formed with a special means for preventing the connector from coming off, and the hook is simply formed on the lid, so that the structure is extremely simple.
[0022]
According to this invention, since the tool insertion hole for opening the lid is formed at the tip of the lid, the lid is easily opened by inserting a tool such as a screwdriver into the hole. There is an effect that can be.
[0023]
According to the present invention, since the overhang is formed on the side of the lid and the overhang is mounted on the side wall of the case body, the lid is depressed even when an external force is applied to the lid. There is an effect that the elements on the circuit board can be protected without deformation.
[0024]
According to this invention, the external connector insertion opening is formed in the case main body, and the wall surface defining the external connector insertion opening is opened outward so as to guide the external connector to the connector of the circuit board. The configuration on the inclined surface has an effect that the external connector can be easily coupled to the connector on the circuit board.
[0025]
According to this invention, since the closing height of the lid is set so that the connector is pressed and held by the lid when the lid is closed, the connector on the circuit board is securely connected to the case body. There is an effect that is held in.
[Brief description of the drawings]
FIG. 1 is a conceptual exploded perspective view of a flow meter provided with a connector retaining structure of the present invention.
FIG. 2 is a perspective view showing a main part of the flow meter shown in FIG.
FIG. 3 is an enlarged plan view of an opening for inserting an external connector.
FIG. 4 is a longitudinal sectional view of the flow meter shown in FIG.
FIG. 5 is a plan view of the flow meter shown in FIG.
[Explanation of symbols]
Reference Signs List 10 Case main body 11 Flow paths 11a, 11b, 11c Flow path portion 14 Concave portion 15, 16 Side wall 17, 18 End wall 19 Bottom wall 21 Circuit board 22 Female connector 23 Sensor 26 Cover 27, 28 Pin 29, 30 Projection 32a Slope 33 , 34 Overhang 35, 36 Claw-shaped notch 37, 38 Step-shaped notch 39 Opening 39a Inclined surface 41 Male connector

Claims (5)

凹部を有するケース本体と、前記凹部に収容設置され、端部にコネクタを搭載した回路基板と、前記凹部の開口を被った閉成状態で本体ケースに係止される蓋体とを備え、前記蓋体は、一端が前記ケース本体に回動自在に支持され、他端に、前記蓋体の閉成状態で、前記コネクタに結合された外部コネクタに係合するフックを備えていることを特徴とする電子機器のコネクタ抜け止め構造。A case body having a concave portion, a circuit board housed and installed in the concave portion, mounted with a connector at an end, and a lid locked to the main body case in a closed state covering an opening of the concave portion, The lid is characterized in that one end is rotatably supported by the case body and the other end has a hook that engages with an external connector coupled to the connector when the lid is closed. Connector structure for electronic equipment. 蓋体の先端部に、該蓋体を開成するための工具挿入孔を形成したことを特徴とする請求項１記載の電子機器のコネクタ抜け止め構造。2. The connector retaining structure for an electronic device according to claim 1, wherein a tool insertion hole for opening the lid is formed at a tip portion of the lid. 蓋体の側辺に張出し部を形成し、該張出し部をケース本体の側壁に載置させることを特徴とする請求項１または請求項２記載の電子機器のコネクタ抜け止め構造。3. The connector retaining structure for an electronic device according to claim 1, wherein an overhang portion is formed on a side of the lid, and the overhang portion is mounted on a side wall of the case body. ケース本体に外部コネクタ挿入用開口を形成し、外部コネクタを回路基板上のコネクタに案内するように前記外部コネクタ挿入用開口を画成する壁面を外方に向かって開く斜面に形成したことを特徴とする請求項１から請求項３のうちのいずれか１項記載の電子機器のコネクタ抜け止め構造。An opening for inserting an external connector is formed in the case body, and a wall defining the opening for inserting the external connector is formed on a slope that opens outward so as to guide the external connector to the connector on the circuit board. 4. The connector retaining structure for an electronic device according to claim 1, wherein: 蓋体の閉成状態で該蓋体でコネクタを押圧保持させるように、前記蓋体の閉成高さを設定したことを特徴とする請求項１から請求項４のうちのいずれか１項記載の電子機器のコネクタ抜け止め構造。The closing height of the lid is set so that the connector is pressed and held by the lid in a closed state of the lid. Electronic device connector retaining structure.
JP2002160434A 2002-05-31 2002-05-31 Flowmeter Expired - Fee Related JP3926678B2 (en)

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Publication number Priority date Publication date Assignee Title
JP2007220546A (en) * 2006-02-17 2007-08-30 Mitsubishi Electric Corp Connector coming-off prevention device, and numerical control device
CN108631105A (en) * 2017-03-24 2018-10-09 上海良友（集团）有限公司 Intelligent data acquisition coupling arrangement

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JPH02205100A (en) * 1989-02-02 1990-08-14 Fujitsu Ltd Locking structure of printed wiring board
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007220546A (en) * 2006-02-17 2007-08-30 Mitsubishi Electric Corp Connector coming-off prevention device, and numerical control device
CN108631105A (en) * 2017-03-24 2018-10-09 上海良友（集团）有限公司 Intelligent data acquisition coupling arrangement

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