JPH08315674A - Push switch - Google Patents

Push switch

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Publication number
JPH08315674A
JPH08315674A JP7115524A JP11552495A JPH08315674A JP H08315674 A JPH08315674 A JP H08315674A JP 7115524 A JP7115524 A JP 7115524A JP 11552495 A JP11552495 A JP 11552495A JP H08315674 A JPH08315674 A JP H08315674A
Authority
JP
Japan
Prior art keywords
fixed contact
switch
contact
fixed
dome
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.)
Pending
Application number
JP7115524A
Other languages
Japanese (ja)
Inventor
Hiroshi Matsui
博 松井
Yukisuke Ishihara
行祐 石原
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Holdings Corp
Original Assignee
Matsushita Electric Industrial Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Industrial Co Ltd filed Critical Matsushita Electric Industrial Co Ltd
Priority to JP7115524A priority Critical patent/JPH08315674A/en
Publication of JPH08315674A publication Critical patent/JPH08315674A/en
Pending legal-status Critical Current

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  • Push-Button Switches (AREA)

Abstract

PURPOSE: To dispense with respective molds, since this push switch does not need molding, and lower the forming cost, and besides, to thin the thickness of the whole switch very much, in a thin type push switch used for portable electronic equipment, etc, CONSTITUTION: A switch board fitted with fixed contacts 12a and 13a and terminals 12b and 13b for connection is made by bonding and fixing a pair of fixed contact bodies 12 and 13 made by press working of a metallic thin plate onto an insulating thin board 11. Hereon, a dome-shaped mobile contact 17 is installed for thinning.

Description

【発明の詳細な説明】Detailed Description of the Invention

【０００１】[0001]

【産業上の利用分野】本発明は主として携帯用電子機器
の各種信号切替スイッチとして使用される薄形のプッシ
ュスイッチに関するものである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a thin push switch mainly used as various signal changeover switches for portable electronic equipment.

【０００２】[0002]

【従来の技術】従来の薄形のプッシュスイッチを図６，
図７により説明する。2. Description of the Related Art A conventional thin push switch is shown in FIG.
This will be described with reference to FIG.

【０００３】同図において、１は上方に開口部を有する
成形樹脂製のケースで、その底面には接続用端子部２お
よび３と一体になった中央固定接点４および外側固定接
点５がインサート成形により設けられている。In the figure, reference numeral 1 is a case made of molded resin having an opening at the upper side, and a central fixed contact 4 and an outer fixed contact 5 which are integrated with the connection terminal portions 2 and 3 are insert-molded on the bottom surface thereof. Is provided by.

【０００４】６は弾性を有する金属薄板より成るドーム
状の可動接点で、その外周下面は常時上記の外側固定接
点５に接触導通している。Reference numeral 6 denotes a dome-shaped movable contact made of a thin metal plate having elasticity, and the outer peripheral lower surface of the movable contact is always in contact with the outer fixed contact 5.

【０００５】７は可撓性絶縁フィルムから成る絶縁シー
トで、ケース１の開放端面と接する部分を接着すること
によりケース１の上面を覆っている。An insulating sheet 7 made of a flexible insulating film covers the upper surface of the case 1 by adhering a portion in contact with the open end surface of the case 1.

【０００６】次に、この従来の薄形のプッシュスイッチ
の動作について説明すると、絶縁シート７の中央部を下
方に押すと可動接点６の中央部が下方に撓められて中央
固定接点４に接触し、外側固定接点５と中央固定接点４
との間すなわち接続用端子３と２の間が閉となる。Next, the operation of the conventional thin push switch will be described. When the central portion of the insulating sheet 7 is pushed downward, the central portion of the movable contact 6 is bent downward to contact the central fixed contact 4. Outer fixed contact 5 and central fixed contact 4
And the connection terminals 3 and 2 are closed.

【０００７】そして、絶縁シート７の中央部を下方に押
す力を除去すると、可動接点６はその弾性復元力により
元のドーム形状に復帰して中央固定接点から離れるた
め、接続用端子２と３の間は開となる。When the force pushing the central portion of the insulating sheet 7 downward is removed, the movable contact 6 returns to the original dome shape due to its elastic restoring force and separates from the central fixed contact, so that the connecting terminals 2 and 3 are connected. It will be open between.

【０００８】[0008]

【発明が解決しようとする課題】しかしながら、上記従
来の薄形のプッシュスイッチでは、接続用端子２および
３と一体になった中央固定接点４および外側固定接点５
を成形樹脂製ケース１にインサート成形しているためケ
ース１の厚さを薄くできず、スイッチの薄形化に限界が
あると共に、複雑で高価な金型を必要とし、成形作業に
伴うコストが高いという課題があった。However, in the above-mentioned conventional thin push switch, the central fixed contact 4 and the outer fixed contact 5 integrated with the connecting terminals 2 and 3 are provided.
Since insert molding is performed on the molded resin case 1, the thickness of the case 1 cannot be reduced, there is a limit to the thinning of the switch, and a complicated and expensive mold is required, and the cost associated with the molding work is reduced. There was a problem of being expensive.

【０００９】[0009]

【課題を解決するための手段】本発明は上記課題を解決
するために、金属薄板をプレス加工して形成された固定
接点体を絶縁基板上に接着固定して、固定接点および接
続用端子付きスイッチ基板を形成し、この上にドーム状
の可動接点を装着して薄形のプッシュスイッチを形成す
るものである。In order to solve the above-mentioned problems, the present invention has a fixed contact formed by pressing a thin metal plate and fixedly adhered onto an insulating substrate to provide a fixed contact and a connecting terminal. A switch substrate is formed, and a dome-shaped movable contact is mounted on the switch substrate to form a thin push switch.

【００１０】[0010]

【作用】したがって、本発明によれば、固定接点および
接続用端子付きのスイッチ基板が金属薄板および絶縁性
薄板をプレス加工して形成されるため成形加工を必要と
せず、しかもスイッチの厚さを薄くできるものである。Therefore, according to the present invention, since the switch substrate having the fixed contacts and the connecting terminals is formed by pressing the metal thin plate and the insulating thin plate, no forming process is required, and the switch thickness can be reduced. It can be made thin.

【００１１】[0011]

【実施例】本発明の薄形のプッシュスイッチの一実施例
を図１〜図４により説明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the thin push switch of the present invention will be described with reference to FIGS.

【００１２】同図において、１１は絶縁性薄板をプレス
加工（打抜き加工）して形成されたスイッチ基板で、１
２および１３は各々金属薄板をプレス加工（打抜きおよ
び曲げ加工）して形成された固定接点体ＡおよびＢであ
る。In the figure, reference numeral 11 denotes a switch substrate formed by pressing (punching) an insulating thin plate.
Reference numerals 2 and 13 respectively denote fixed contact bodies A and B formed by pressing (punching and bending) a thin metal plate.

【００１３】この固定接点体Ａ１２とＢ１３は同一の金
属薄板をプレス加工して形成されたものであり、図２に
示すように、固定接点体Ａ１２とＢ１３の外形をトリミ
ング加工した接点体１４を両面接着剤付きのテープ１５
でスイッチ基板１１に貼り付けた後、固定接点体Ａ１２
とＢ１３の結合部１６を切断して各々独立させるもので
ある。The fixed contact bodies A12 and B13 are formed by pressing the same thin metal plate. As shown in FIG. 2, the fixed contact bodies A12 and B13 are trimmed to form a contact body 14. Tape with double-sided adhesive 15
Fixed contact body A12
And the connecting portion 16 of B13 are cut to make them independent of each other.

【００１４】そして、図３に示すように、固定接点体Ａ
１２は、中央固定接点１２ａと本スイッチを使用機器の
配線基板に半田付けするための端部の接続用端子１２ｂ
およびこれらの間を連結するＴ字形連結部１２ｃから成
り、固定接点体Ｂ１３は、中央固定接点１２ａを囲むＣ
字状の外側固定接点１３ａと端部の接続用端子１３ｂお
よびこれらの間を連結する直線状連結部１３ｃから成
り、外側固定接点１３ａはその上面のほぼ等角度の三ヶ
所１３ｄが突き出し加工されて高くなっている。Then, as shown in FIG.
Reference numeral 12 denotes a central fixed contact 12a and a connecting terminal 12b at an end portion for soldering this switch to a wiring board of a device used.
And a T-shaped connecting portion 12c connecting between them, the fixed contact body B13 surrounds the central fixed contact 12a.
The outer fixed contact 13a is composed of a letter-shaped outer fixed contact 13a, a connecting terminal 13b at an end portion, and a linear connecting portion 13c for connecting between the outer fixed contact 13a and the outer fixed contact 13a. It's getting higher.

【００１５】ここで、両者の位置関係は、固定接点体Ｂ
１３のＣ字状外側固定接点１３ａに対し、そのＣ字状の
中心に固定接点体Ａ１２の中央固定接点１２ａが位置
し、Ｃ字状の開口部をＴ字形連結部１２ｃの中央直線部
１２ｄが通るように配置されている。Here, the positional relationship between the two is as follows.
The center fixed contact 12a of the fixed contact body A12 is located at the center of the C-shape with respect to the C-shaped outer fixed contact 13a of 13, and the center straight portion 12d of the T-shaped connecting portion 12c is formed through the C-shaped opening. It is arranged to pass through.

【００１６】そして、１７は弾性を有する金属薄板製の
ドーム状可動接点で、中央固定接点１２ａを覆うように
配されて、その円形外周の下面１７ａが上記Ｃ字状外側
固定接点１３ａの三ヶ所の突き出し部１３ｄ上に載って
おり、その上部からスイッチ基板１１全体を覆うよう
に、下面に接着剤を有する可撓性絶縁フィルム製の絶縁
シート１８を被せることにより、スイッチ基板１１上に
固定されている。Reference numeral 17 denotes a dome-shaped movable contact made of an elastic metal thin plate, which is arranged so as to cover the central fixed contact 12a and has a circular outer peripheral lower surface 17a at three positions of the C-shaped outer fixed contact 13a. It is fixed on the switch substrate 11 by covering the switch substrate 11 from above with an insulating sheet 18 made of a flexible insulating film having an adhesive on its lower surface so as to cover the entire switch substrate 11 from above. ing.

【００１７】ここで、定常状態において、固定接点体Ａ
１２とＢ１３の接続用端子１２ｂと１３ｂの間が短絡し
ないように固定接点体Ａ１２のＴ字状連結部１２ｃの中
央直線部１２ｄの上面とドーム状可動接点１７の外周下
面１７ａが交わる部分には、ドーム状可動接点１７が載
っているＣ字状外側固定接点１３ａの突き出し部１３ｄ
の突き出し分だけの上下方向ギャップＧが設けられてい
るが、図４に示すように、Ｔ字形連結部１２ｃの中央直
線部１２ｄの上面を圧縮加工して低くすることにより、
このギャップＧを大きくすることができる。Here, in the steady state, the fixed contact A
In order to prevent a short circuit between the connecting terminals 12b and 13b of 12 and B13, a portion where the upper surface of the central straight portion 12d of the T-shaped connecting portion 12c of the fixed contact body A12 and the outer peripheral lower surface 17a of the dome-shaped movable contact 17 intersect each other. The protruding portion 13d of the C-shaped outer fixed contact 13a on which the dome-shaped movable contact 17 is mounted
Although the vertical gap G corresponding to the protrusion is provided, as shown in FIG. 4, by compressing and lowering the upper surface of the central straight portion 12d of the T-shaped connecting portion 12c,
This gap G can be increased.

【００１８】次に、この薄形のプッシュスイッチの動作
について説明する。まず、絶縁シート１８の中央部を下
方に押すと、ドーム状可動接点１７の中央部が下方に撓
められて固定接点体Ａ１２の中央固定接点１２ａに接触
し、外側固定接点１３ａと中央固定接点１２ａとの間、
すなわち、接続用端子１３ｂと１２ｂとの間が閉とな
る。Next, the operation of this thin push switch will be described. First, when the central portion of the insulating sheet 18 is pushed downward, the central portion of the dome-shaped movable contact 17 is bent downward to contact the central fixed contact 12a of the fixed contact body A12, and the outer fixed contact 13a and the central fixed contact 13a. Between 12a,
That is, the connection between the connection terminals 13b and 12b is closed.

【００１９】そして、絶縁シート１８の中央部を下方に
押す力を除くと、可動接点１７はその弾性復元力によっ
て元のドーム形状に復帰して中央固定接点１２ａから離
れるため、接続用端子１３ｂと１２ｂの間は開となる。When the force pushing the central portion of the insulating sheet 18 downward is removed, the movable contact 17 returns to the original dome shape due to its elastic restoring force and separates from the central fixed contact 12a. It is open during 12b.

【００２０】また、以上述べた実施例では、固定接点体
Ａ１２とＢ１３は同一の金属薄板をプレス加工して形成
する場合を示したが、これを各々別個の金属薄板から形
成し、図５に示すように、固定接点体Ａ１９の材厚より
も固定接点体Ｂ２０の材厚を大きくすることによって
も、固定接点体Ａ１９の中央直線部の上面とドーム状可
動接点２２の外側下面が交わる部分のギャップＧ１を確
保することができる。Further, in the above-mentioned embodiment, the fixed contact bodies A12 and B13 are formed by pressing the same metal thin plate, but they are formed by separate metal thin plates. As shown in the figure, by making the material thickness of the fixed contact body B20 larger than the material thickness of the fixed contact body A19, the upper surface of the central straight line portion of the fixed contact body A19 and the outer lower surface of the dome-shaped movable contact 22 intersect. The gap G1 can be secured.

【００２１】[0021]

【発明の効果】本発明の薄形のプッシュスイッチは、上
記実施例より明らかなように、金属薄板をプレス加工し
て形成された固定接点体を絶縁薄板をプレス加工した基
板上に接着固定して固定接点および接続用端子付きのス
イッチ基板を形成するため、成形加工を必要とせず、従
って、個片の金型および加工のコストが安価で、しかも
スイッチ全体の厚さを非常に薄くすることができる。As is apparent from the above-mentioned embodiment, the thin push switch of the present invention has a fixed contact body formed by pressing a thin metal plate by adhesive bonding and fixing it onto a substrate obtained by pressing an insulating thin plate. Since a switch board with fixed contacts and connection terminals is formed by using the mold, no molding process is required. Therefore, the cost of mold and processing of individual pieces is low, and the thickness of the whole switch is very thin. You can

【図面の簡単な説明】[Brief description of drawings]

【図１】本発明のプッシュスイッチの一実施例の斜視図FIG. 1 is a perspective view of an embodiment of a push switch according to the present invention.

【図２】同分解斜視図FIG. 2 is an exploded perspective view of the same.

【図３】同要部であるスイッチ基板の外観斜視図FIG. 3 is an external perspective view of a switch board, which is a main part of the same.

【図４】同側断面図FIG. 4 is a sectional view of the same side.

【図５】同他の実施例の側断面図FIG. 5 is a side sectional view of the other embodiment.

【図６】従来のプッシュスイッチの外観斜視図FIG. 6 is an external perspective view of a conventional push switch.

【図７】同側断面図FIG. 7 is a sectional view of the same side.

【符号の説明】[Explanation of symbols]

１１ スイッチ基板 １２ 固定接点体Ａ １２ａ 中央固定接点 １２ｂ 接続用端子 １２ｃ Ｔ字形連結部 １３ 固定接点体Ｂ １３ａ 外側固定接点 １３ｂ 接続用端子 １３ｃ 直線状連結部 １７ ドーム状可動接点 １８ 絶縁シート 11 Switch Board 12 Fixed Contact Body A 12a Central Fixed Contact 12b Connection Terminal 12c T-Shaped Connection 13 Fixed Contact Body B 13a Outside Fixed Contact 13b Connection Terminal 13c Linear Connection 17 Dome Shaped Moving Contact 18 Insulation Sheet

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 絶縁性薄板から成るスイッチ基板と、こ
のスイッチ基板中央の中央固定接点と端部の接続用端子
およびこれらの間の連結部から形成され、スイッチ基板
上に固着された金属薄板製の固定接点体Ａと、上記中央
固定接点を囲むＣ字状の外側固定接点と端部の接続用端
子およびこれらの間の連結部から形成され上記スイッチ
基板上に固着された金属薄板製の固定接点体Ｂと、中央
固定接点を覆い、外周下面が外側固定接点上に載った弾
性を有する金属薄板製のドーム状可動接点と、ドーム状
可動接点の上部からスイッチ基板全体を覆う可撓性絶縁
フィルム製の絶縁シートから成るプッシュスイッチ。1. A switch board made of an insulating thin plate, a central fixed contact at the center of the switch board, a connecting terminal at an end and a connecting portion between them, and made of a thin metal plate fixed on the switch board. Fixed contact body A, a C-shaped outer fixed contact surrounding the central fixed contact, a connecting terminal at the end, and a connecting portion between these, and made of a thin metal plate fixed on the switch substrate. The contact body B, the central fixed contact, and the dome-shaped movable contact made of an elastic metal thin plate whose outer peripheral lower surface is placed on the outer fixed contact, and flexible insulation covering the entire switch substrate from the upper part of the dome-shaped movable contact. A push switch consisting of a film insulation sheet. 【請求項２】 固定接点体ＡおよびＢを接着剤で貼り付
けることによりスイッチ基板に固着すると共に、絶縁シ
ート下面の接着剤でドーム状可動接点をスイッチ基板上
に固定する請求項１記載のプッシュスイッチ。2. The push according to claim 1, wherein the fixed contact bodies A and B are fixed to the switch substrate by adhering them with an adhesive, and the dome-shaped movable contact is fixed on the switch substrate with an adhesive on the lower surface of the insulating sheet. switch. 【請求項３】 固定接点体ＡとＢを同一の金属薄板から
形成し、外側固定接点を突き出し加工して高くした請求
項１または２記載のプッシュスイッチ。3. The push switch according to claim 1, wherein the fixed contact bodies A and B are formed of the same thin metal plate, and the outer fixed contact is extruded to be raised. 【請求項４】 固定接点体Ａの連結部上面で、ドーム状
可動接点の外周下面と当接する部分を圧縮加工して低く
した請求項１，２または３記載のプッシュスイッチ。4. The push switch according to claim 1, wherein a portion of the upper surface of the connecting portion of the fixed contact body A, which comes into contact with the outer peripheral lower surface of the dome-shaped movable contact, is compressed and lowered. 【請求項５】 固定接点体Ｂの厚さを固定接点体Ａより
も厚くした請求項１，２または４記載のプッシュスイッ
チ。5. The push switch according to claim 1, wherein the fixed contact body B is thicker than the fixed contact body A.
JP7115524A 1995-05-15 1995-05-15 Push switch Pending JPH08315674A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7115524A JPH08315674A (en) 1995-05-15 1995-05-15 Push switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7115524A JPH08315674A (en) 1995-05-15 1995-05-15 Push switch

Publications (1)

Publication Number Publication Date
JPH08315674A true JPH08315674A (en) 1996-11-29

Family

ID=14664666

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7115524A Pending JPH08315674A (en) 1995-05-15 1995-05-15 Push switch

Country Status (1)

Country Link
JP (1) JPH08315674A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003234040A (en) * 2002-02-07 2003-08-22 Alps Electric Co Ltd Push-button switch
JP2004335488A (en) * 2004-08-18 2004-11-25 Alps Electric Co Ltd Push button switch
CN103117183A (en) * 2011-11-17 2013-05-22 株式会社Magma Thin type key switch
JP2013101873A (en) * 2011-11-09 2013-05-23 Magma Co Ltd Slim type push switch device

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003234040A (en) * 2002-02-07 2003-08-22 Alps Electric Co Ltd Push-button switch
JP2004335488A (en) * 2004-08-18 2004-11-25 Alps Electric Co Ltd Push button switch
JP2013101873A (en) * 2011-11-09 2013-05-23 Magma Co Ltd Slim type push switch device
CN103117183A (en) * 2011-11-17 2013-05-22 株式会社Magma Thin type key switch

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