JPH0329854Y2 - - Google Patents
Info
- Publication number
- JPH0329854Y2 JPH0329854Y2 JP2799885U JP2799885U JPH0329854Y2 JP H0329854 Y2 JPH0329854 Y2 JP H0329854Y2 JP 2799885 U JP2799885 U JP 2799885U JP 2799885 U JP2799885 U JP 2799885U JP H0329854 Y2 JPH0329854 Y2 JP H0329854Y2
- Authority
- JP
- Japan
- Prior art keywords
- click spring
- sheet
- spring
- upper sheet
- electrode
- 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
Links
- 239000012528 membrane Substances 0.000 claims description 9
- 125000006850 spacer group Chemical group 0.000 claims description 6
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 230000006870 function Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035807 sensation Effects 0.000 description 1
Description
【考案の詳細な説明】 〔考案の利用分野〕 本考案はメンブレンスイツチに係る。[Detailed explanation of the idea] [Field of application of invention] The present invention relates to a membrane switch.
第４図〜第６図は従来例を示し、第４図は押圧
前の状態を示す断面図、第５図はクリツクばねの
斜視図、第６図は先細の機具にて表示シートの端
部付近を押圧した状態を示す断面図である。
Figures 4 to 6 show conventional examples, Figure 4 is a cross-sectional view showing the state before pressing, Figure 5 is a perspective view of the click spring, and Figure 6 shows the edge of the display sheet with a tapered tool. It is a sectional view showing a state where the vicinity is pressed.
第４図において１は固定板、２は該固定板１上
に配置される下部シート、３は該下部シート２上
の電極、４は前記下部シート２の上面に配置され
るスペーサ、５は該スペーサ４を介して下部シー
ト２上に配置される上部シート、６は該下部シー
ト２の電極３と対向して上部シート５の下面に設
けられた電極、７は前記上部シート５上に配置さ
れたスペーサ、８は該スペーサ７上に接着剤９に
て固着された表示シート、１０は前記上部シート
５と表示シート８間の空間Ａに収納され、上部シ
ート５上に載置されたクリツクばねで、近球状部
１０ａの頂部には突起１０ｂを有し、周縁にはフ
ランジ部１０ｃを、該フランジ部１０ｃの下面に
は複数個の突起１０ｄを有す。 In FIG. 4, 1 is a fixed plate, 2 is a lower sheet disposed on the fixed plate 1, 3 is an electrode on the lower sheet 2, 4 is a spacer disposed on the upper surface of the lower sheet 2, and 5 is a lower sheet disposed on the fixed plate 1. An upper sheet disposed on the lower sheet 2 via a spacer 4; 6 an electrode provided on the lower surface of the upper sheet 5 facing the electrode 3 of the lower sheet 2; 7 an electrode disposed on the upper sheet 5; 8 is a display sheet fixed on the spacer 7 with an adhesive 9; 10 is a click spring stored in the space A between the upper sheet 5 and the display sheet 8 and placed on the upper sheet 5; The near-spherical portion 10a has a protrusion 10b on the top, a flange 10c on the periphery, and a plurality of protrusions 10d on the lower surface of the flange 10c.
ところで、上記従来のメンブレンスイツチにお
いて、スイツチをONにするに際して誤つて第６
図に示す如く表示シート８の左端近く（クリツク
ばね１０の端部近く）を先細の機具１１（ボール
ペン先や、爪先等）で押圧すると、クリツクばね
１０のフランジ部１０ｃからのしぼり加工による
立上り部１０ｅが集中荷重を受けてつぶれて塑性
変形を起し、クリツク感を生む反転動作機能を失
うという欠点があつた。 By the way, in the conventional membrane switch mentioned above, when turning on the switch, the sixth
As shown in the figure, when near the left end of the display sheet 8 (near the end of the click spring 10) is pressed with a tapered tool 11 (ballpoint pen tip, toe, etc.), a rising portion due to squeeze processing from the flange portion 10c of the click spring 10 is pressed. 10e was crushed under concentrated load and plastically deformed, resulting in the loss of the reversing function that produced a clicking sensation.
本考案は上記従来の欠点を解消せんとするもの
であり、本考案の目的は、表示シートの端部付近
を先細の機具で押圧しても反転動作機能を失はな
いメンブレンスイツチを提供せんとするものであ
る。
The present invention aims to eliminate the above-mentioned conventional drawbacks, and the purpose of the present invention is to provide a membrane switch that does not lose its reversing function even when the vicinity of the edge of the display sheet is pressed with a tapered device. It is something to do.
上記目的を達成するために、本考案は、一面に
電極を有する上部シートと、一面に電極を有する
下部シートの電極面同志をスペーサを介して対向
させ、上部シート上に弾性を有するクリツクばね
を配置し、該クリツクばねを押圧することによつ
て上部シート上の電極を下部シート上の電極に接
触せしめ、前記クリツクばねの押圧を解除すれば
クリツクばねの反転により元の状態に復帰するメ
ンブレンスイツチにおいて、前記クリツクばねを
中央に突起を有し周縁にフランジ部のない近球面
状となし、前記上部シート上に剛性のあるばね支
持台を載置し、該ばね支持台には前記クリツクば
ねを収納する凹部を設け、該凹部の内底面を前記
クリツクばねの反転後の近球面に合わせた近球面
状となすと共に、その中央に前記突起に対応する
穴を穿設したことを特徴とするものである。
In order to achieve the above object, the present invention makes the electrode surfaces of an upper sheet having electrodes on one side and a lower sheet having electrodes on one side facing each other via a spacer, and an elastic click spring is installed on the upper sheet. The membrane switch is arranged such that the electrodes on the upper sheet are brought into contact with the electrodes on the lower sheet by pressing the click spring, and when the pressure on the click spring is released, the membrane switch returns to its original state by reversing the click spring. In this method, the click spring has a near-spherical shape with a projection in the center and no flange on the periphery, a rigid spring support is placed on the upper sheet, and the click spring is mounted on the spring support. A recess for storage is provided, the inner bottom surface of the recess has a near-spherical shape that matches the near-spherical surface of the click spring after reversal, and a hole corresponding to the projection is bored in the center of the recess. It is.
第１図〜第３図は本考案の実施例を示し、第１
図は押圧前の状態を示す断面図、第２図はクリツ
クばねの斜視図、第３図は表示シートの端部付近
を先細の機具で押圧した状態を示す断面図であ
る。
Figures 1 to 3 show embodiments of the present invention;
2 is a perspective view of the click spring, and FIG. 3 is a sectional view showing the state where the end portion of the display sheet is pressed with a tapered tool.
なお、第１図〜第３図に示す従来例と同一部分
には同一符号を付して詳細な説明は省略する。 Note that the same parts as in the conventional example shown in FIGS. 1 to 3 are given the same reference numerals, and detailed explanations will be omitted.
第１図において１２は弾性を有する金属薄板よ
りなり、近球面状をなすクリツクばねで、第５図
の従来例の如きフランジ部１０ｃを有しておら
ず、近球面の頂部には突起１２ａを有している。
１３は上部シート５と表示シート８間に介在する
剛性を有するばね支持台で、前記クリツクばね１
２を収納する凹部１４を有し、該凹部１４の内底
面１５には、クリツクばね１２の反転後の近球面
に合せた近球面を形成している。１６はばね支持
台１３の内底面１５に、クリツクばね１２の突起
１２ａに対向して設けた穴、１７は固定板１に、
下部シート２の電極３に対向して設けた穴であ
る。そしてばね支持台１３と表示シート８は接着
剤９にて接着されている。その他の点は従来例と
同じである。 In FIG. 1, reference numeral 12 denotes a click spring made of an elastic thin metal plate and having a near-spherical surface shape, and does not have a flange portion 10c like the conventional example shown in FIG. 5, but has a protrusion 12a on the top of the near-spherical surface. have.
Reference numeral 13 denotes a rigid spring support stand interposed between the upper sheet 5 and the display sheet 8;
The inner bottom surface 15 of the recess 14 is formed with a near-spherical surface matching the near-spherical surface of the click spring 12 after inversion. 16 is a hole provided in the inner bottom surface 15 of the spring support base 13 facing the protrusion 12a of the click spring 12; 17 is a hole provided in the fixed plate 1;
This is a hole provided opposite to the electrode 3 of the lower sheet 2. The spring support base 13 and the display sheet 8 are bonded together with an adhesive 9. Other points are the same as the conventional example.
本考案の実施例のメンブレンスイツチは上述の
如き構造を有し、第３図の如く表示シート８の左
端付近を先細の機具１１で押圧すると、近球面状
のクリツクばね１２は周縁が押圧され、反転し、
ばね支持台１３の近球面を形成した内底面１５に
嵌入する。このクリツクばね１２の反転動作に供
い、クリツクばね１２の頂部の突起１２ａはばね
支持台１３の穴１６を貫通して上部シート５を押
圧し、上部シート５の下面の電極６は下部シート
２の上面の電極３と接触し、スイツチはONの状
態となる。この状態で押圧力を取去ればクリツク
ばね１２は反転し、元の状態に復帰する。 The membrane switch according to the embodiment of the present invention has the above-described structure, and when the vicinity of the left end of the display sheet 8 is pressed with the tapered tool 11 as shown in FIG. 3, the periphery of the near-spherical click spring 12 is pressed. Invert,
It is fitted into the inner bottom surface 15 of the spring support base 13, which has a near-spherical surface. With this reversal of the click spring 12, the protrusion 12a at the top of the click spring 12 passes through the hole 16 of the spring support 13 and presses the upper sheet 5, and the electrode 6 on the lower surface of the upper sheet 5 contacts the lower sheet 2. The switch comes into contact with the electrode 3 on the top surface of the switch, and the switch is turned on. If the pressing force is removed in this state, the click spring 12 will reverse and return to its original state.
本考案の実施例によれば、クリツクばね１２は
従来の如きフランジ部１０ａのない近球面状をな
し、押圧動作に供い変形しやすい従来の立上り部
１０ｅをなくし更にまた、ばね支持台１３の内底
面１５には、クリツクばね１２の反転後の近球面
に合せた近球面を形成して集中荷重耐性を上げて
あるので、例え表示シート８の端部付近を先細の
機具で押圧しても、クリツクばね１２の塑性変形
を生じることがなく、従つてスイツチの反転動作
に支障を来すことはない。 According to the embodiment of the present invention, the click spring 12 has a near-spherical shape without the conventional flange portion 10a, eliminates the conventional rising portion 10e that easily deforms due to the pressing operation, and furthermore, the spring support base 13 The inner bottom surface 15 is formed with a near-spherical surface that matches the near-spherical surface of the click spring 12 after reversal to increase the resistance to concentrated loads, so even if the edge of the display sheet 8 is pressed with a tapered tool, , there is no plastic deformation of the click spring 12, and therefore there is no problem with the reversing operation of the switch.
本考案によれば、クリツクばねをフランジ部の
ない近球面状となし、且つ剛性を有するばね支持
台の内底面には、クリツクばねの反転後の近球面
に合せた近球面を形成してあるので、例え表示シ
ートの端部付近を先細の機具で押圧してもクリツ
クばねの塑性変形を生じることがなく、従つてス
イツチの反転動作に支障を来すことがないという
効果を有する。
According to the present invention, the click spring has a near-spherical shape without a flange portion, and the inner bottom surface of the rigid spring support is formed with a near-spherical surface that matches the near-spherical surface after the click spring is reversed. Therefore, even if the vicinity of the end of the display sheet is pressed with a tapered tool, the click spring will not be plastically deformed, and therefore the reversing operation of the switch will not be hindered.
第１図〜第３図は本考案の実施例を示し、第１
図は押圧前の断面図、第２図はクリツクばねの斜
視図、第３図表示板の端部付近を先細の機具にて
押圧した場合の断面図、第４図〜第６図は従来例
を示し、第４図は押圧前の断面図、第５図はクリ
ツクばねの斜視図、第６図は表示板の端部付近を
先細の機具にて押圧した場合の断面図である。
１……固定板、２……下部シート、３，６……
電極、４……スペーサ、８……表示シート、１２
……クリツクばね、１２ａ……突起、１３……ば
ね支持台、１４……凹部、１５……内底面。
Figures 1 to 3 show embodiments of the present invention;
The figure is a sectional view before pressing, Figure 2 is a perspective view of the click spring, Figure 3 is a sectional view when the vicinity of the end of the display board is pressed with a tapered tool, and Figures 4 to 6 are conventional examples. 4 is a sectional view before pressing, FIG. 5 is a perspective view of the click spring, and FIG. 6 is a sectional view when the vicinity of the end of the display board is pressed with a tapered tool. 1... Fixed plate, 2... Lower sheet, 3, 6...
Electrode, 4... Spacer, 8... Display sheet, 12
...Click spring, 12a...Protrusion, 13...Spring support base, 14...Recess, 15...Inner bottom surface.
Claims (1)
を有する下部シートの電極面同志をスペーサを介
して対向させ、上部シート上に弾性を有するクリ
ツクばねを配置し、該クリツクばねを押圧するこ
とによつて上部シート上の電極を下部シート上の
電極に接触せしめ、前記クリツクばねの押圧を解
除すればクリツクばねの反転により元の状態に復
帰するメンブレンスイツチにおいて、前記クリツ
クばねを中央に突起を有し周縁にフランジ部のな
い近球面状となし、前記上部シート上に剛性のあ
るばね支持台を載置し、該ばね支持台には前記ク
リツクばねを収納する凹部を設け、該凹部の内底
面を前記クリツクばねの反転後の近球面に合わせ
た近球面状となすと共に、その中央に前記突起に
対応する穴を穿設したことを特徴とするメンブレ
ンスイツチ。 By arranging the electrode surfaces of an upper sheet having electrodes on one surface and a lower sheet having electrodes on one surface facing each other via a spacer, placing an elastic click spring on the upper sheet, and pressing the click spring. In the membrane switch, the electrode on the upper sheet is brought into contact with the electrode on the lower sheet, and when the pressure on the click spring is released, the click spring is reversed and returns to its original state. A rigid spring support is placed on the upper sheet, and the spring support is provided with a recess for accommodating the click spring, and the inner bottom surface of the recess is A membrane switch characterized in that the membrane switch has a near-spherical shape that matches the near-spherical surface of the click spring after being reversed, and a hole corresponding to the projection is bored in the center of the near-spherical surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2799885U JPH0329854Y2 (en) | 1985-03-01 | 1985-03-01 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2799885U JPH0329854Y2 (en) | 1985-03-01 | 1985-03-01 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61145433U JPS61145433U (en) | 1986-09-08 |
| JPH0329854Y2 true JPH0329854Y2 (en) | 1991-06-25 |
Family
ID=30525465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2799885U Expired JPH0329854Y2 (en) | 1985-03-01 | 1985-03-01 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0329854Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0446336Y2 (en) * | 1986-09-30 | 1992-10-30 |
-
1985
- 1985-03-01 JP JP2799885U patent/JPH0329854Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61145433U (en) | 1986-09-08 |
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