JPH0731579Y2 - Electric device - Google Patents
Electric deviceInfo
- Publication number
- JPH0731579Y2 JPH0731579Y2 JP1987008005U JP800587U JPH0731579Y2 JP H0731579 Y2 JPH0731579 Y2 JP H0731579Y2 JP 1987008005 U JP1987008005 U JP 1987008005U JP 800587 U JP800587 U JP 800587U JP H0731579 Y2 JPH0731579 Y2 JP H0731579Y2
- Authority
- JP
- Japan
- Prior art keywords
- circuit board
- electric device
- ground connection
- projecting piece
- tip
- 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 - Lifetime
Links
Landscapes
- Casings For Electric Apparatus (AREA)
Description
【考案の詳細な説明】 〔考案の目的〕 （産業上の利用分野） この考案は、電気装置における回路基板と金属製の構成
部材とのアース接続に関する。DETAILED DESCRIPTION OF THE INVENTION [Object of the Invention] (Field of Industrial Application) The present invention relates to a ground connection between a circuit board and a metal component in an electric device.
（従来の技術） 一般に、電気装置は、内部の回路基板のアース接続部と
カバー等の金属製構成部材とが電気的に接続され、両者
が同電位になるようにしている。この接続は、例えば金
属製カバーの場合、カバーを回路基板に対して固定する
爪又は、アース用突起を回路基板のアース接続用のラン
ド等にかしめ又は当接し、さらに、この部分をハンダ、
銀ろう、導電性接着剤、導電性粘着テープ等で固着して
行なっていた。(Prior Art) Generally, in an electric device, a ground connection portion of an internal circuit board and a metal component such as a cover are electrically connected to each other so that both have the same potential. For this connection, for example, in the case of a metal cover, a claw for fixing the cover to the circuit board or a grounding projection is caulked or abutted on a land for ground connection of the circuit board, and further, this portion is soldered,
It was performed by fixing with silver solder, a conductive adhesive, a conductive adhesive tape, or the like.
（考案が解決しようとする問題点） 上記従来の技術の場合、回路基板とカバー等の金属製構
成部材をハンダ等により固定していたので、電気装置の
組み立て工数が多くかかり、コスト低減、組み立ての自
動化の妨げになっていた。(Problems to be solved by the invention) In the case of the above-mentioned conventional technique, the circuit board and the metal components such as the cover are fixed by soldering or the like, which requires a lot of man-hours for assembling the electric device, which leads to cost reduction and assembly. Was hindering automation.
また、導電性の接着剤や粘着テープによる固定は、強度
が弱く、外力や振動により導通不良を起こしやすいとい
う問題点があった。Further, fixing with a conductive adhesive or an adhesive tape has a problem that the strength is weak and a conduction failure is likely to occur due to external force or vibration.
この考案は上述の従来の技術の問題点に鑑みて成された
もので、組み立てが容易で、しかも回路基板と金属製構
成部材とのアース接続を確実に行なうことができ、導通
不良も生じない電気装置を提供することを目的とする。The present invention has been made in view of the above-mentioned problems of the conventional technique, and is easy to assemble, and moreover, the ground connection between the circuit board and the metal component can be surely made, and no conduction failure occurs. An object is to provide an electric device.
（問題点を解決するための手段） この考案は、電気素子が設けられた回路基板と、この回
路基板とアース接続される金属構成部材とを有し、前記
金属性構成部材の周縁部に、三角形状の突出片を一体に
形成し、この突出片を前記回路基板側へ折り曲げてこの
突出片の先端の角部を前記回路基板表面位置より下方に
位置させ、前記金属構成部材を前記回路基板へ取り付け
た状態で、前記突出片の先端角部を、前記回路基板のア
ース接続部に弾性的に当接させた電気装置である。(Means for Solving the Problems) The present invention has a circuit board provided with an electric element and a metal constituent member that is grounded to the circuit board, and has a peripheral portion of the metallic constituent member. A triangular projecting piece is integrally formed, the projecting piece is bent toward the circuit board side, and a corner portion of the tip of the projecting piece is positioned below the surface position of the circuit board, and the metal component is arranged on the circuit board. It is an electric device in which a tip corner portion of the projecting piece is elastically brought into contact with a ground connection portion of the circuit board in a state of being attached to.
（作用） この考案の電気装置は、回路基板のアース接続部と金属
構成部材に一体的に形成した突起片の先端とを弾性的に
当接させることによって、簡単にアース接続を行なうこ
とができるようにしたものである。(Operation) In the electric device of the present invention, the earth connection can be easily made by elastically abutting the earth connection portion of the circuit board and the tip of the protruding piece integrally formed on the metal component. It was done like this.
（実施例） 以下この考案の実施例について図面を基にして説明す
る。(Embodiment) An embodiment of the present invention will be described below with reference to the drawings.
第１図、第２図はこの考案の第１実施例を示すもので、
グラフィックイコライザーのスライド型可変抵抗器につ
いての実施例である。回路基板１には銅箔パターン又は
銀等の印刷配線２が表裏面に設けられ、表面にはさら
に、カーボン等の帯状の抵抗体３が４本１組いで印刷形
成されている。この抵抗体３は、回路基板１の表面に、
さらに２組形成されているが第１図では省略されてい
る。また、回路基板１には、カバー取付孔４が所定の箇
所に設けられ、このカバー取付孔４の１つを囲むように
してアース接続用の銅箔ランド５が設けられている。さ
らに、この回路基板１には、チップ抵抗等の電子部品６
が取り付けられているとともに、第１図において一点鎖
線で囲った内側の部分７を除いてレジストが塗布され、
表面の保護を図っている。1 and 2 show a first embodiment of the present invention,
It is an example about a slide type variable resistor of a graphic equalizer. The circuit board 1 is provided with copper foil patterns or printed wirings 2 made of silver or the like on the front and back surfaces, and four strip-shaped resistors 3 made of carbon or the like are further printed and formed on the front surface. The resistor 3 is provided on the surface of the circuit board 1,
Two more sets are formed, but they are omitted in FIG. Further, the circuit board 1 is provided with a cover attachment hole 4 at a predetermined position, and a copper foil land 5 for earth connection is provided so as to surround one of the cover attachment holes 4. Further, the circuit board 1 is provided with an electronic component 6 such as a chip resistor.
Is attached, and the resist is applied except for the inner portion 7 surrounded by the one-dot chain line in FIG.
We are trying to protect the surface.
回路基板１の表面には、抵抗体３の周囲を囲んでスペー
サー８が載置され、このスペーサー８には、抵抗体３の
長手方向に沿ってガイド部９が形成されている。このガ
イド部９に、スライダー10を下面に取り付けたスライダ
ー保持体11が、摺動自在に載置される。さらに、スライ
ダー保持体11の上面には、付勢部材12が取り付けられて
いる。スライダー10は、各抵抗体３の組毎に２個づつ対
応して設けられ、１個のスライダー保持体に、２個のス
ライダー10が取り付けられて、１組の抵抗体３上を摺動
する。さらに、回路基板１とスペーサー８とを連結し表
面を覆う金属製のカバー13が設けられ、このカバー13に
は、スライダー保持体11のレバー11aが貫通して移動す
る長方形の長孔14及び、回路基板１のカバー取付孔４に
嵌合する爪15が設けられている。この長孔14の中央部側
方には、付勢部材12の突部12aが係合するクリック孔16
が形成されている。A spacer 8 is placed on the surface of the circuit board 1 so as to surround the resistor 3, and a guide portion 9 is formed on the spacer 8 along the longitudinal direction of the resistor 3. A slider holder 11 having a slider 10 attached to the lower surface is slidably mounted on the guide portion 9. Further, a biasing member 12 is attached to the upper surface of the slider holder 11. Two sliders 10 are provided corresponding to each set of resistors 3, two sliders 10 are attached to one slider holder, and slide on one set of resistors 3. . Further, a metal cover 13 that connects the circuit board 1 and the spacer 8 and covers the surface is provided, and the cover 13 has a rectangular long hole 14 through which the lever 11a of the slider holding body 11 moves, and A claw 15 that fits into the cover mounting hole 4 of the circuit board 1 is provided. A click hole 16 with which the protrusion 12a of the biasing member 12 is engaged is provided on the side of the central portion of the elongated hole 14.
Are formed.
この実施例のスライド型可変抵抗器は、スライダー保持
体11のレバー11aを持ってカバー13の長孔14の方向に摺
動させると、スライダー10が抵抗体３上を摺動し、回路
の抵抗値が変えられる。この際、スライダー保持体11は
付勢部材12によってカバー13に対して回路基板１側に付
勢され、スペーサー８のガイド部９にガイドされ、抵抗
体３から一定の距離を保って移動し、スライダー10が適
度な圧力で抵抗体３に当接するようになっている。In the slide type variable resistor of this embodiment, when the lever 11a of the slider holder 11 is held and slid in the direction of the elongated hole 14 of the cover 13, the slider 10 slides on the resistor 3 and the circuit resistance is increased. The value can be changed. At this time, the slider holding body 11 is biased toward the circuit board 1 side with respect to the cover 13 by the biasing member 12, is guided by the guide portion 9 of the spacer 8 and moves at a constant distance from the resistor 3, The slider 10 comes into contact with the resistor 3 with an appropriate pressure.
さらに、この実施例では、第１図、第２図に示すよう
に、回路基板１の表裏に形成された銅箔パターンまたは
印刷配線２を連結するために銀、カーボン又は銅塗料が
塗布されたスルーホール22に、金属製のカバー13の周縁
部に形成された導電製の突出片23が弾性的に当接してい
る。尚、このスルーホール22は、貫通孔に金属をかしめ
て回路基板１の表裏面の電気的接続を図ったかしめ端子
部でも良い。この突出片23は、カバー13が回路基板１に
取り付けられた状態でアース接続部であるスルーホール
22に弾性的に当接するように所定の角度折り曲げて形成
されている。Further, in this embodiment, as shown in FIGS. 1 and 2, silver, carbon or copper paint was applied to connect the copper foil patterns or the printed wirings 2 formed on the front and back of the circuit board 1. A conductive projecting piece 23 formed on the peripheral portion of the metal cover 13 elastically abuts on the through hole 22. The through hole 22 may be a caulking terminal portion in which a metal is caulked in the through hole to electrically connect the front and back surfaces of the circuit board 1. This projecting piece 23 is a through hole which is a ground connecting portion when the cover 13 is attached to the circuit board 1.
It is formed by bending at a predetermined angle so as to elastically abut against 22.
この実施例によれば、単にカバー13に突出片23を設けて
おくだけで良く、回路基板１にカバー13を組み付けるだ
けで、両者のアース接続は完了するので、装置の組み立
てが容易になり組み立て工数も少なくなる。According to this embodiment, it is only necessary to provide the cover 13 with the projecting piece 23, and the ground connection between the both is completed only by assembling the cover 13 to the circuit board 1. Therefore, the device can be easily assembled and assembled. The man-hour is also reduced.
次にこの考案の第２実施例について第３図を基にして説
明する。Next, a second embodiment of this invention will be described with reference to FIG.
この実施例では、金属製のカバー13に形成された導電性
の突出片23が、回路基板１に設けられたアース接続用銅
箔ランド５に導電ゴム24を介して接続されている。この
導電ゴム24は銅箔ランド５の中央部に形成された貫通穴
25に凸部が嵌合して固定され上平面にカバー13の突出片
23が弾性的に当接している。In this embodiment, the conductive protruding piece 23 formed on the metal cover 13 is connected to the ground connection copper foil land 5 provided on the circuit board 1 via the conductive rubber 24. This conductive rubber 24 is a through hole formed in the center of the copper foil land 5.
The protruding part of the cover 13 is fixed to the upper flat surface by fitting the convex part on the 25
23 is elastically abutted.
この実施例によれば、カバー13のアース接続が導通ゴム
24を介して行なわているので、突出片23の弾性と導電ゴ
ム24の弾性との双方で弾発的に接続し、外力や振動に対
しても追従性が良く、両者が離れて導通不良を起こすこ
とが極めて少ない。According to this embodiment, the ground connection of the cover 13 is made of conductive rubber.
Since it is performed via 24, it is elastically connected by both the elasticity of the protruding piece 23 and the elasticity of the conductive rubber 24, and it has good followability with respect to external force and vibration, and they are separated from each other to prevent conduction failure. It rarely happens.
次に、この考案の第３実施例について第４図を基にして
説明する。Next, a third embodiment of the present invention will be described with reference to FIG.
この実施例では、金属製のカバー13に形成された導電性
の突出片23が、回路基板１に設けられたアース接続用の
ハンダパッド26に接続されている。この突出片23は、ハ
ンダパッド26に弾性的に当接するように所定の角度折り
曲げて形成されている。In this embodiment, a conductive protruding piece 23 formed on a metal cover 13 is connected to a solder pad 26 for earth connection provided on the circuit board 1. The protruding piece 23 is bent at a predetermined angle so as to elastically contact the solder pad 26.
この実施例においても、装置の組み立てにおいて、カバ
ー13を回路基板１に組み付けるだけで極めて簡単にカバ
ー13のアース接続を完了することができる。Also in this embodiment, the ground connection of the cover 13 can be completed very simply by assembling the cover 13 to the circuit board 1 in assembling the device.
尚、この考案は、電気装置のカバー以外の金属製構成部
材、例えば、金属シャーシ、パネル、その他小部品等の
アース接続にも利用できるものである。The present invention can also be used for grounding a metal component other than the cover of an electric device, such as a metal chassis, a panel, and other small parts.
また、弾性体と回路基板又は金属製構成部材との接続部
を、弾性的に当接させるとともに簡単な接着等を行なっ
ても良い。Further, the connecting portion between the elastic body and the circuit board or the metal component may be elastically brought into contact with each other and may be simply bonded.
この考案の電気装置によれば、装置の金属製構成部材と
回路基板とのアース接続を金属製構成部材の周縁部に一
体的に形成した三角形状の突出片によって行なっている
ので、金属製構成部材を回路基板に組み付けるだけで、
極めて簡単にアース接続を完了することができ、装置の
組み立てが容易になり、電気装置の組み立て時に、アー
ス接続のハンダ付けやかしめ等が不要となることは勿
論、金属製構成部材と別体のアース接続用導電部材を介
在する手間も省け、組み立て工数を大幅に削減すること
ができる顕著な効果を有する。しかも、三角形の突出片
の先端を回路基板上の微細なアース接続部に当接させる
ことによって位置決めも極めて簡単且つ正確に行ない得
る。According to the electric device of the present invention, the ground connection between the metallic component of the device and the circuit board is made by the triangular projecting piece integrally formed on the peripheral portion of the metallic component. Just assemble the members to the circuit board,
The ground connection can be completed very easily, the assembly of the device becomes easy, and it is not necessary to solder or crimp the ground connection when assembling the electric device. There is a remarkable effect that the labor for interposing the conductive member for ground connection can be saved and the number of assembling steps can be significantly reduced. Moreover, positioning can be performed very easily and accurately by bringing the tip of the triangular protruding piece into contact with the fine ground connecting portion on the circuit board.
また、前記三角形状の突出片を回路基板側へ折り曲げて
弾性的に当接しているので、かしめや接着と比べて外力
や振動に対しても接続不良を生ずることが少なく、信頼
性も極めて高い。Further, since the triangular projecting piece is bent toward the circuit board side and elastically abutted, connection failure is less likely to occur against external force or vibration than caulking or bonding, and reliability is extremely high. .
第１図はこの考案の第１実施例の電気装置の分解斜視
図、第２図（ａ）はこの考案の第１実施例を示す部分平
面図、第２図（ｂ）はこの実施例の部分右側面図、第２
図（ｃ）は第２図（ａ）のＢ−Ｂ断面図、第３図（ａ）
はこの考案の第２実施例を示す部分平面図、第３図
（ｂ）はこの実施例の右側面図、第３図（ｃ）は第３図
（ａ）のＣ−Ｃ断面図、第４図（ａ）はこの考案の第３
実施例を示す部分平面図、第４図（ｂ）はこの実施例の
右側面図、第４図（ｃ）は第４図（ａ）のＤ−Ｄ断面図
である。 １……回路基板 ２……カバー（金属製構成部材） 22……スルーホール（アース接続部） 23……突出片 25……貫通孔 26……半田パッド（アース接続部）FIG. 1 is an exploded perspective view of an electric device according to a first embodiment of the present invention, FIG. 2 (a) is a partial plan view showing a first embodiment of the present invention, and FIG. Partial right side view, second
FIG. 3C is a sectional view taken along line BB of FIG. 2A and FIG. 3A.
Is a partial plan view showing a second embodiment of the present invention, FIG. 3 (b) is a right side view of this embodiment, FIG. 3 (c) is a sectional view taken along line CC of FIG. 3 (a), Figure 4 (a) shows the third part of this device.
4 is a partial plan view showing an embodiment, FIG. 4 (b) is a right side view of this embodiment, and FIG. 4 (c) is a sectional view taken along line DD of FIG. 4 (a). 1 …… Circuit board 2 …… Cover (Metal component) 22 …… Through hole (Earth connection part) 23 …… Projecting piece 25 …… Through hole 26 …… Solder pad (Earth connection part)
Claims (3)
路基板とアース接続される金属製構成部材とを有する電
気装置において、前記金属製構成部材の周縁部に、三角
形状の突出片を一体に形成し、この突出片を前記回路基
板側へ折り曲げて、取り付け状態で前記突出片の先端角
部を前記回路基板のアース接続部に弾性的に当接させた
ことをことを特徴とする電気装置。1. An electric device comprising: a circuit board provided with an electric element; and a metallic component member grounded to the circuit substrate. A triangular projecting piece is provided on a peripheral portion of the metallic component member. It is characterized in that it is integrally formed, and the protruding piece is bent toward the circuit board side, and the tip corner portion of the protruding piece is elastically brought into contact with the ground connection portion of the circuit board in the mounted state. Electrical equipment.
表面位置より下方に位置させ、前記アース接続部は、前
記回路基板に形成されたスルーホールであり、このスル
ーホールの中央部の凹部に前記突出片の先端部が弾性的
に当接していることを特徴とする実用新案登録請求の範
囲第１項記載の電気装置。2. A corner of a tip of the projecting piece is located below a surface position of the circuit board, and the ground connection portion is a through hole formed in the circuit board, and a central portion of the through hole. The electric device according to claim 1, wherein the tip of the projecting piece elastically abuts on the recess of the utility model.
された銅泊ランドであり前記突出片の先端部が導電性ゴ
ムを介して弾性的に当接していることを特徴とする実用
新案登録請求の範囲第１項記載の電気装置。3. The utility model characterized in that the ground connection portion is a copper anchor land formed on the circuit board, and the tip end portion of the projecting piece is elastically abutted through a conductive rubber. The electric device according to claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987008005U JPH0731579Y2 (en) | 1987-01-21 | 1987-01-21 | Electric device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987008005U JPH0731579Y2 (en) | 1987-01-21 | 1987-01-21 | Electric device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63115282U JPS63115282U (en) | 1988-07-25 |
| JPH0731579Y2 true JPH0731579Y2 (en) | 1995-07-19 |
Family
ID=30791989
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987008005U Expired - Lifetime JPH0731579Y2 (en) | 1987-01-21 | 1987-01-21 | Electric device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731579Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6168394B2 (en) * | 2013-05-02 | 2017-07-26 | 三菱マテリアル株式会社 | Antenna device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5529279Y2 (en) * | 1974-11-19 | 1980-07-11 | ||
| JPS5254875U (en) * | 1975-10-20 | 1977-04-20 |
-
1987
- 1987-01-21 JP JP1987008005U patent/JPH0731579Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPS63115282U (en) | 1988-07-25 |
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