JPH0521790Y2 - - Google Patents
Info
- Publication number
- JPH0521790Y2 JPH0521790Y2 JP1986023792U JP2379286U JPH0521790Y2 JP H0521790 Y2 JPH0521790 Y2 JP H0521790Y2 JP 1986023792 U JP1986023792 U JP 1986023792U JP 2379286 U JP2379286 U JP 2379286U JP H0521790 Y2 JPH0521790 Y2 JP H0521790Y2
- Authority
- JP
- Japan
- Prior art keywords
- key top
- frame
- button switch
- switch device
- push button
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 208000003464 asthenopia Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Tumbler Switches (AREA)
- Switch Cases, Indication, And Locking (AREA)
Description
【考案の詳細な説明】
（産業上の利用分野）
本考案は、カセツトデツキ、ラジオ、VTR等
の各種民生機器に用いられる照光式の押釦スイツ
チ装置に関し、特に、光源から外部への光もれを
防止するキートツプの構造の改良に関するもので
ある。[Detailed description of the invention] (Field of industrial application) The present invention relates to an illuminated push-button switch device used in various consumer devices such as cassette decks, radios, and VTRs. This relates to improvements in the structure of key tops that prevent this.
（従来の技術）
従来の例えば、シーソー式キートツプを用いた
照光式押釦スイツチ装置は、第６図乃至第９図に
示すように、枠体１の開口部１ａ内に揺動自在に
嵌め込んだキートツプ２の下方にスイツチ３，３
を設けると共に、その側部に、導光体４を介して
キートツプ１を照光する光源５を設けたものであ
る。導光体４は、キートツプ２の下部に嵌合して
おり、光源５の光をキートツプ２の内側に導き、
キートツプ２に形成された表示部２ａから照光す
るようにしている。キートツプ２は、側方に突設
された軸突起２ｂを枠体１の図示しない係合凹所
へスナツプイン式に回動自在に係合させ、これを
中心にして揺動自在であり、また揺動時に、両側
下方に延出した押圧突起２ｃ，２ｃがスイツチ
３，３を押圧しこれらを選択的にオン、オフさせ
ることができるようになつている。２ｄはプリン
ト基板６上にキートツプ２を支持する支脚であ
る。(Prior Art) For example, a conventional illuminated push button switch device using a see-saw type key top is fitted into an opening 1a of a frame 1 so as to be swingable, as shown in FIGS. 6 to 9. There are switches 3 and 3 below the key top 2.
A light source 5 for illuminating the key top 1 via a light guide 4 is provided on the side thereof. The light guide 4 is fitted to the lower part of the key top 2 and guides the light from the light source 5 to the inside of the key top 2.
Light is emitted from a display section 2a formed on the key top 2. The key top 2 has a shaft protrusion 2b protruding from the side that is rotatably engaged with an engagement recess (not shown) in the frame 1 in a snap-in manner, and is swingable around the shaft protrusion 2b. During operation, pressing protrusions 2c, 2c extending downward on both sides press the switches 3, 3 to selectively turn them on and off. Reference numeral 2d denotes a supporting leg that supports the key top 2 on the printed circuit board 6.
（考案が解決しようとする問題点）
上記従来の押釦スイツチ装置においては、枠体
１の開口部１ａとキートツプ２の外周との間に間
隙Ｓができ、ここから光源５の光がもれ、キート
ツプが見にくくなると共に、見栄えが悪く、また
操作者の目を疲れさせる原因となる等の問題点が
ある。(Problems to be Solved by the Invention) In the conventional push button switch device described above, a gap S is created between the opening 1a of the frame 1 and the outer periphery of the key top 2, from which light from the light source 5 leaks. There are problems in that the key top becomes difficult to see, looks bad, and causes eye fatigue for the operator.
本考案は、従来の押釦スイツチ装置における上
記のような問題点を解決し、枠体の開口部とキー
トツプの外周との間の間隙からの光もれがなく、
従つてキートツプの表示が見易く、見栄えもよ
く、また操作者の目を疲れさせることもない照光
式押釦スイツチ装置を提供することを目的とする
ものである。 The present invention solves the above-mentioned problems with conventional push-button switch devices, and eliminates light leakage from the gap between the opening of the frame and the outer periphery of the key top.
Therefore, it is an object of the present invention to provide an illuminated push button switch device in which the key top display is easy to see and has a good appearance, and which does not cause the operator's eyes to get tired.
（問題点を解決するための手段）
本考案においては、上記従来の問題点を解決す
るため、枠体の開口部内に上下動自在に嵌め込ま
れたキートツプの下方にスイツチを設けると共
に、キートツプを照光する光源を設けた押釦スイ
ツチ装置において、前記キートツプの外周部に鍔
部をほぼ全周にわたつて設け、該鍔部の外周部に
は上方に突出する縦壁をほぼ全周にわたつて設
け、該縦壁とキートツプ外周壁との間に溝部を略
環状に形成し、前記枠体開口縁部付近に前記溝部
と嵌合する突条をほぼ全周にわたつて形成したこ
とを特徴としている。(Means for Solving the Problems) In order to solve the above-mentioned conventional problems, the present invention provides a switch below the key top that is fitted into the opening of the frame so that it can move up and down, and illuminates the key top. In a push button switch device equipped with a light source, a flange is provided on the outer periphery of the key top over almost the entire circumference, and a vertical wall projecting upward is provided on the outer periphery of the flange over almost the entire periphery, A groove is formed in a substantially annular shape between the vertical wall and the outer circumferential wall of the key top, and a protrusion that fits into the groove is formed around the entire circumference near the opening edge of the frame.
（作用）
上記の構成により、光源からの光は、キートツ
プの外周壁、鍔部に設けられた環状の溝部、鍔部
にほぼ全周にわたつて設けられた縦壁、および枠
体開口縁部付近にほぼ全周にわたつて設けられた
突条とにより、キートツプと枠体とがほぼ全周に
わたつて互いにカギ状にかぶさつた状態で嵌つて
いる。そのため、光源からの光は、どの方向から
入射しようとも上記縦壁または突条により完全に
遮断され、キートツプと枠体との間隙から光が操
作面に漏れることがない。(Function) With the above configuration, light from the light source is transmitted to the outer peripheral wall of the key top, the annular groove provided in the flange, the vertical wall provided almost all around the flange, and the frame opening edge. The key top and the frame fit together in a key-like manner over almost the entire circumference due to the protrusion provided near the key top and the frame over almost the entire circumference. Therefore, the light from the light source is completely blocked by the vertical wall or protrusion no matter which direction it enters, and no light leaks to the operation surface from the gap between the key top and the frame.
（実施例）
第１図乃至第５図は、本考案の一実施例を示す
もので、第１図はキートツプの平面図、第２図は
押釦スイツチ装置の平面図、第３図は第２図−
断面図、第４図は第２図−断面図、第５図
は第２図−断面図である。(Embodiment) Figs. 1 to 5 show an embodiment of the present invention, in which Fig. 1 is a plan view of a key top, Fig. 2 is a plan view of a push button switch device, and Fig. 3 is a plan view of a push button switch device. Figure-
4 is a cross-sectional view of FIG. 2, and FIG. 5 is a cross-sectional view of FIG. 2.
キートツプ１２は、枠体１１の開口部１１ａ内
の揺動自在に嵌め込まれている。キートツプ１２
の下方に位置してプリント基板１６上に、キート
ツプ１２の揺動に応じて選択的に圧下されるよう
にスイツチ１３，１３が設けられている。導光体
１４は、キートツプ１２の下部に嵌合しており、
光源１５の光をキートツプ１２の内側に導き、キ
ートツプ１２に形成された表示部１２ａから外へ
光を放つようにしてある。キートツプ１２は、側
方に突設された軸突起１２ｂを枠体１の図示しな
い係合凹所へスナツプイン式に回動自在に係合さ
せ、これを中心にして揺動自在であり、また揺動
時に、両側下方に延出した押圧突起１２ｃ，１２
ｃがスイツチ１３，１３のステム１３ａ，１３ａ
を押圧し、これらを選択的にオン、オフさせるこ
とができるようになつている。キートツプ１２の
外周には、キートツプ１２の外周壁１２ｈと枠体
１１の開口部１１ａとの間の間隙Ｓを横断し、開
口部１１ａ周縁下部まで延出した鍔１２ｅがほぼ
全周にわたつて設けられている。この鍔１２ｅの
外周部には、上方に突出する縦壁１２ｇがほぼ全
周にわたつて設けられている。そしてこの縦壁１
２ｇとキートツプ外周壁１２ｈとの間には、溝１
２ｆが略環状に設けられている。 The key top 12 is fitted into the opening 11a of the frame 11 so as to be able to swing freely. key top 12
Switches 13, 13 are provided on the printed circuit board 16 below the key top 12 so as to be selectively pressed down as the key top 12 swings. The light guide 14 is fitted to the lower part of the key top 12,
The light from the light source 15 is guided inside the key top 12, and the light is emitted from a display section 12a formed on the key top 12 to the outside. The key top 12 has a shaft protrusion 12b protruding from the side that is rotatably engaged with an engagement recess (not shown) in the frame 1 in a snap-in manner, and is swingable around the shaft protrusion 12b. Pressing protrusions 12c, 12 extending downward on both sides during movement
c is the stem 13a, 13a of the switch 13, 13
These can now be turned on and off selectively by pressing . On the outer periphery of the key top 12, a collar 12e is provided over almost the entire circumference, crossing the gap S between the outer peripheral wall 12h of the key top 12 and the opening 11a of the frame 11, and extending to the lower part of the periphery of the opening 11a. It is being A vertical wall 12g that protrudes upward is provided on the outer peripheral portion of the collar 12e over almost the entire circumference. And this vertical wall 1
There is a groove 1 between the key top outer peripheral wall 12h and the key top outer peripheral wall 12h.
2f is provided in a substantially annular shape.
また枠体１１には、その開口縁部付近にほぼ全
周にわたつて突条１１ｂが設けられている。加え
てこの実施例では、この突条１１ｂの外周にもう
一つの突条１１ｃが設けられており、この突条１
１ｂと突条１１ｃとの間にキートツプ１２の縦壁
１２ｇと嵌合する環状の溝部１１ｄが設けられて
いる。 Further, the frame 11 is provided with a protrusion 11b around the entire circumference near the opening edge thereof. In addition, in this embodiment, another protrusion 11c is provided on the outer periphery of this protrusion 11b.
An annular groove 11d that fits into the vertical wall 12g of the key top 12 is provided between the protrusion 1b and the protrusion 11c.
すなわち、キートツプ１２の溝部１２ｆと枠体
１１の突条１１ｂとが嵌合し、キートツプ１２の
縦壁１２ｇと枠体１１の溝部１１ｄとが嵌合する
ようになつている。１２ｄはプリント基板１６上
にキートツプ１２を揺動自在に支持する支脚であ
る。 That is, the groove 12f of the key top 12 and the protrusion 11b of the frame 11 fit together, and the vertical wall 12g of the key top 12 and the groove 11d of the frame 11 fit together. Reference numeral 12d denotes a supporting leg that swingably supports the key top 12 on the printed circuit board 16.
次にこの実施例の作用を説明する。 Next, the operation of this embodiment will be explained.
この実施例の押釦スイツチ装置においては、キ
ートツプ１２が光源１５からの光で照光され、そ
れの文字、記号等の表示部１２ａを見易く表示す
るようになつている。そして、キートツプ１２を
上下動させることにより、下方のスイツチ１３を
オン、オフさせるものである。キートツプ１２は
枠体１１の開口部１１ａ内に上下動自在に嵌め込
まれているため、キートツプ１２の側面と開口部
１１ａ内周との間には間隙Ｓができるが、キート
ツプ１２の鍔１２ｅがこの間隙Ｓを横断してお
り、かつ枠体の突条１１ｂが環状の溝１２ｆに嵌
つているので、光源１５からの光は、これに遮断
され、間隙Ｓから外部にもれることがない。 In the push-button switch device of this embodiment, the key top 12 is illuminated with light from a light source 15, so that its characters, symbols, etc. can be easily displayed on the display section 12a. By moving the key top 12 up and down, the lower switch 13 is turned on and off. Since the key top 12 is fitted into the opening 11a of the frame 11 so as to be able to move up and down, a gap S is created between the side surface of the key top 12 and the inner periphery of the opening 11a. Since it crosses the gap S and the protrusion 11b of the frame fits into the annular groove 12f, the light from the light source 15 is blocked by this and does not leak outside from the gap S.
なお、上記実施例では、シーソースイツチのキ
ートツプについて説明したが、これに限定される
ことなく、如何なるキートツプにも適用できるこ
とは勿論である。 In the above embodiment, the key top of a seesaw switch has been described, but the present invention is not limited to this and can of course be applied to any key top.
（考案の効果）
以上のように、本考案においては、枠体の開口
部内に上下動自在に嵌め込まれたキートツプの下
方にスイツチを設けると共に、キートツプを照光
する光源を設けた押釦スイツチ装置において、前
記キートツプの枠体下面に位置する外周にキート
ツプと前記枠体開口部との間隙を遮光するための
鍔を設けて押釦スイツチ装置を構成したため、枠
体の開口部とキートツプの外周との間隙が鍔によ
り遮断され、ここからの光もれがなく、従つてキ
ートツプの表示が見易く、見栄えもよく、また操
作者の目を疲れさせることもないという効果を有
する。(Effects of the Invention) As described above, in the present invention, in a push button switch device, a switch is provided below a key top that is fitted into an opening of a frame so as to be movable up and down, and a light source is provided to illuminate the key top. Since the push button switch device is constructed by providing a flange on the outer periphery of the key top located on the lower surface of the frame body to block light from the gap between the key top and the opening of the frame body, the gap between the opening of the frame body and the outer periphery of the key top is It is blocked by the flange, and there is no light leakage from the flange, so that the key top display is easy to see, looks good, and does not cause the operator's eyes to get tired.
第１図乃至第５図は、本考案の一実施例を示す
もので、第１図はキートツプの平面図、第２図は
押釦スイツチ装置の平面図、第３図は第２図−
断面図、第４図は第２図−断面図、第５図
は第２図−断面図であり、第６図は従来例の
押釦スイツチ装置の平面図、第７図は押釦スイツ
チ装置の平面図、第８図は第７図−断面図、
第９図は第７図−断面図である。
１１……枠体、１１ａ……開口部、１２……キ
ートツプ、１２ｅ……鍔、１３……スイツチ、１
５……光源、Ｓ……間隙。
1 to 5 show an embodiment of the present invention, in which FIG. 1 is a plan view of a key top, FIG. 2 is a plan view of a push button switch device, and FIG. 3 is a plan view of a push button switch device.
4 is a sectional view of FIG. 2, FIG. 5 is a sectional view of FIG. 2, FIG. 6 is a plan view of a conventional push button switch device, and FIG. 7 is a plan view of the push button switch device. Figure 8 is a cross-sectional view of Figure 7,
FIG. 9 is a sectional view of FIG. 7. 11... Frame, 11a... Opening, 12... Key top, 12e... Tsuba, 13... Switch, 1
5...Light source, S...Gap.
Claims (1)
ートツプの下方にスイツチを設けると共に、キー
トツプを照光する光源を設けた押釦スイツチ装置
において、前記キートツプの外周部に鍔部をほぼ
全周にわたつて設け、該鍔部の外周部には上方に
突出する縦壁をほぼ全周にわたつて設け、該縦壁
とキートツプ外周壁との間に溝部を略環状に形成
し、前記枠体開口縁部付近に前記溝部と嵌合する
突条をほぼ全周にわたつて形成したことを特徴と
する照光式押釦スイツチ装置。 In a push button switch device in which a switch is provided below a key top that is fitted into an opening of a frame so as to be movable up and down, and a light source is provided to illuminate the key top, a flange is provided on the outer periphery of the key top over almost the entire circumference. A vertical wall protruding upward is provided on the outer peripheral portion of the flange portion over almost the entire circumference, a groove portion is formed in a substantially annular shape between the vertical wall and the outer peripheral wall of the key top, and the opening edge of the frame An illuminated push button switch device, characterized in that a protrusion that fits into the groove is formed around the entire circumference of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986023792U JPH0521790Y2 (en) | 1986-02-20 | 1986-02-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986023792U JPH0521790Y2 (en) | 1986-02-20 | 1986-02-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62136031U JPS62136031U (en) | 1987-08-27 |
| JPH0521790Y2 true JPH0521790Y2 (en) | 1993-06-04 |
Family
ID=30822417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986023792U Expired - Lifetime JPH0521790Y2 (en) | 1986-02-20 | 1986-02-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0521790Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0640005Y2 (en) * | 1987-09-30 | 1994-10-19 | 豊田合成株式会社 | Rotating adjustment knob of controller |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828886B2 (en) * | 1978-10-13 | 1983-06-18 | 東芝テック株式会社 | roaster |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828886U (en) * | 1981-08-21 | 1983-02-24 | クラリオン株式会社 | Light leakage prevention device in optical display devices |
| JPS59150119U (en) * | 1983-03-29 | 1984-10-06 | 株式会社東海理化電機製作所 | Built-in lamp equipment |
-
1986
- 1986-02-20 JP JP1986023792U patent/JPH0521790Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5828886B2 (en) * | 1978-10-13 | 1983-06-18 | 東芝テック株式会社 | roaster |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS62136031U (en) | 1987-08-27 |
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