JP2597928Y2 - Light guide structure of push button in illuminated push button switch - Google Patents
Light guide structure of push button in illuminated push button switchInfo
- Publication number
- JP2597928Y2 JP2597928Y2 JP1993062624U JP6262493U JP2597928Y2 JP 2597928 Y2 JP2597928 Y2 JP 2597928Y2 JP 1993062624 U JP1993062624 U JP 1993062624U JP 6262493 U JP6262493 U JP 6262493U JP 2597928 Y2 JP2597928 Y2 JP 2597928Y2
- Authority
- JP
- Japan
- Prior art keywords
- light guide
- button
- push button
- push
- guide member
- 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
Description
【０００１】[0001]
【産業上の利用分野】本考案は、照光式押ボタンスイッ
チにおける押ボタンの構造に関するものであり、詳しく
はボタン主部に別体の導光部材を組み立て装着するよう
にした型式の押ボタンの導光部構造に関するものであ
る。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a structure of a push button in an illuminated push button switch. More specifically, the present invention relates to a push button of a type in which a separate light guide member is assembled and mounted on a main part of the button. The present invention relates to a light guide structure.
【０００２】[0002]
【従来の技術】従来のこの種の導光部構造としては、例
えば図５および図６のようにプラスチック製のボタン主
部１の一側部分に頂面から内部にわたり貫通状態の切欠
部２を形成して、この切欠部２に導光部材３を固着する
のであるが、その固着に当たりボタン主部１にリベット
４，４を一体的に突設すると共に、導光部材３には前記
リベット４，４に対応するリベット孔５，５を穿設して
このリベット孔５，５に前記リベット４，４が挿入され
るように導光部材３をボタン主部１に挿着した状態のも
とにリベット４，４の先端部を加熱しつつ潰して、いわ
ゆる熱溶着により固着するようにしている。2. Description of the Related Art As a conventional light guide portion structure of this type, a cutout portion 2 penetrating from the top surface to the inside of one side portion of a plastic button main portion 1 as shown in FIGS. The light guide member 3 is fixed to the notch 2 and the rivets 4 and 4 are integrally provided on the button main part 1 to fix the light guide member 3. The rivet holes 5 corresponding to the light guide members 3 are inserted into the button main body 1 so that the rivets 4 are inserted into the rivet holes 5. The rivets 4 and 4 are crushed while being heated, and are fixed by so-called heat welding.
【０００３】[0003]
【考案が解決しようとする課題】前記従来技術は熱溶着
により両者を固着するのであるから、熱溶着工程のため
の格別な装備と時間とを必要としてコストアップとなる
ばかりでなく、プラスチック製リベットの熱溶着による
固着は固着力が不充分な場合が多く、ボタン頂部におけ
る両者の接触部に隙間を生じ易い重大な欠陥がある。In the above prior art, the two are fixed by heat welding, so that not only the cost and the cost are increased due to the need for special equipment and time for the heat welding process, but also plastic rivets. In many cases, the fixing by heat welding has an insufficient fixing force, and there is a serious defect that a gap is easily formed in a contact portion between the two at the top of the button.
【０００４】そこで本考案の目的は、熱溶着手段による
ことなく簡単な装着手段によりボタン主部と導光部材と
を頂面部において隙間を生じないように安定的に固定し
た状態において使用することができるようにした押ボタ
ンの導光部構造を安価に提供することにある。Accordingly, an object of the present invention is to use the button main portion and the light guide member in a state where they are stably fixed so that no gap is formed at the top surface by a simple mounting means without using the heat welding means. An object of the present invention is to provide an inexpensive pushbutton light guide structure.
【０００５】[0005]
【課題を解決するための手段】本考案は、導光部材にそ
の主部である導光片とほぼ平行な脚片を一体的に設けて
これら導光片と脚片とにより自体の弾力性を利用したク
リップを構成し、ボタン主部の取付部を導光片と脚片と
の先端部分において挟持する状態に装着しこれにより、
ボタン主部に対接する導光片の先端縁がボタン主部の縁
部に圧接する傾向に挟持することができるようにし、か
つ導光部材にはボタン主部の底面に添接する状態の舌片
を設けてこれを押ボタンスイッチにおける受動部に対接
させようにしたことを特徴とするものである。SUMMARY OF THE INVENTION According to the present invention, a light guide member is provided integrally with legs which are substantially parallel to a light guide, which is a main portion thereof, and the elasticity of the light guide is increased by the light guide and the legs. A clip is constructed utilizing the mounting part of the button main part in a state where the mounting part of the button main part is clamped at the tip part of the light guide piece and the leg piece,
A tongue piece in a state in which the leading edge of the light guide piece in contact with the button main part can be sandwiched in a tendency to press against the edge of the button main part, and the light guide member is in contact with the bottom surface of the button main part. Which is provided so as to be brought into contact with the passive portion of the push button switch.
【０００６】[0006]
【作用】導光片と脚片とによるクリップの弾力性により
ボタン主部と導光部材とは弾性的に結合されたまま、表
面部において両者間に隙間が生じることなく圧接状態が
保たれ、また導光部材に設けた舌片はスイッチにおける
受動部による押上げ作用によりボタン主部に常時押圧さ
れ、従って導光部材はボタン主部に安定的に固定され、
ボタン主部からの離脱傾向が確実に防止される。The button main portion and the light guide member are elastically connected to each other by the elasticity of the clip formed by the light guide piece and the leg piece. Further, the tongue provided on the light guide member is constantly pressed to the button main portion by the push-up action of the passive portion of the switch, so that the light guide member is stably fixed to the button main portion,
The tendency to separate from the button main part is reliably prevented.
【０００７】[0007]
【実施例】以下、本考案の押ボタンの導光部構造につい
て、図１ないし図４に示す実施例を参照しつつ詳細に説
明する。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The light guide structure of the push button according to the present invention will be described in detail with reference to the embodiments shown in FIGS.
【０００８】本考案の導光部構造の適用対象としての押
ボタンスイッチとしては、例えば図１および図２のよう
に、器枠壁体１１に長方形のボタン孔１２を穿設するほ
か、このボタン孔１２にはボタン主部１３の底周縁部に
抜け止め用の突片１４，１４があるほぼ直方体状の押ボ
タン１５をそのボタン主部１３の頂部がボタン孔１２か
ら適度に突出する状態のもとに進退可能に下方から遊嵌
すると共に、押ボタン１５の下端部を駆動部に充当する
ようにし、かつこの押ボタン１５に対するスイッチ１６
としては、押ボタン１５に対する押し込み操作により弾
力的に変形するド−ム状受動部１７とこの受動部１７の
内面頂部に可動接点１８とを設けたゴムシ−ト１９と、
前記可動接点１８に対向する位置に固定接点２０，２０
をプリント形成したプリント基板２１とにより構成し、
もってゴムシ−ト１９におけるド−ム状受動部１７を押
ボタン１５の駆動部に対応させた状態のもとに、受動部
１７のばね作用により押ボタン１５を常時外方に進出し
易い状態に保ったまま、押ボタン１５に対する押し込み
操作により受動部１７の弾撥力に抗して可動接点１８を
固定接点２０，２０に圧接させることができるようにし
たいわゆるラバ−コンタクト型を採択する。As a push button switch to which the light guide unit structure of the present invention is applied, for example, as shown in FIGS. 1 and 2, a rectangular button hole 12 is formed in a frame wall 11 and this button is also provided. In the hole 12, a substantially rectangular parallelepiped-shaped push button 15 having protrusions 14 and 14 at the bottom peripheral edge of the button main portion 13 is provided so that the top of the button main portion 13 projects appropriately from the button hole 12. The push button 15 is loosely fitted from below so as to be able to advance and retreat, and the lower end of the push button 15 is applied to the drive unit.
A rubber sheet 19 provided with a dome-shaped passive portion 17 which is elastically deformed by a pressing operation on the push button 15 and a movable contact 18 at the top of the inner surface of the passive portion 17;
The fixed contacts 20, 20 are located at positions facing the movable contact 18.
And a printed board 21 formed by printing.
With the dome-shaped passive portion 17 of the rubber sheet 19 corresponding to the driving portion of the push button 15, the push button 15 is always easily moved outward by the spring action of the passive portion 17. A so-called rubber contact type is adopted in which the movable contact 18 can be pressed against the fixed contacts 20 and 20 against the resilience of the passive portion 17 by pressing the push button 15 while keeping the push button 15 pressed.
【０００９】かつ表示燈としては、例えば同図１および
図２のように、前記プリント基板２１上に発光ダイオー
ド等による表示燈２２を前記固定接点２０，２０に近接
して設けると共に、前記ゴムシ−ト１９には表示燈２２
を覆うようにドーム状突部２３を形成するほか、ゴムシ
−ト１９を透明材により製作し、更に押ボタン１５の一
側部分には前記表示燈２２に対応する位置に頂面から内
部にわたり貫通状態の切欠部２４を形成して、この切欠
部２４に導光部材２５を固定し、導光部材２５を経て表
示燈２２の照光を表部に放射するようにした型式を採択
する。As shown in FIGS. 1 and 2, for example, as shown in FIGS. 1 and 2, an indicator light 22 such as a light emitting diode is provided on the printed circuit board 21 in the vicinity of the fixed contacts 20, 20, and the rubber screen is provided. Indicator light 22
The rubber sheet 19 is made of a transparent material, and the push button 15 is penetrated from one side to the other at a position corresponding to the indicator light 22 from the top surface to the inside. A notch 24 in a state is formed, and a light guide member 25 is fixed to the notch 24, and a type in which the illumination of the indicator lamp 22 is emitted to the front part via the light guide member 25 is adopted.
【００１０】上記型式に対する本考案の特殊構造として
は、例えば図１および図２に示すように、ボタン主部１
３における切欠部２４に嵌合する導光片２５ａと、この
導光片２５ａに対し両側にほぼ平行状態に延びてほぼＥ
字状を呈する脚片２５ｂ，２５ｂとによりクリップを構
成するほか、導光片２５ａおよび脚片２５ｂ，２５ｂの
基部からはほぼ直角に延びる舌片２５ｃを設けた導光部
材２５を透明なプラスチックにより製作し、かつこれに
対するボタン主部１３には、前記導光部材２５における
脚片２５ｂ，２５ｂを受け入れることができる内腔部２
６，２６を形成した状態のもとに、その内側面に脚片２
５ｂ，２５ｂの先端外側部が突っ張り状態に圧接するた
めの傾斜した受部２７，２７を設け、これら受部２７，
２７と前記切欠部２４とにより屈曲した板状の取付部２
８を構成する。As a special structure of the present invention for the above type, for example, as shown in FIGS.
3, a light guide piece 25a fitted into the notch 24, and a substantially E extending substantially parallel to both sides of the light guide piece 25a.
In addition to forming a clip with the leg pieces 25b, 25b having a letter shape, the light guide member 25 provided with a light guide piece 25a and a tongue piece 25c extending substantially at right angles from the base of the leg pieces 25b, 25b is made of transparent plastic. The button main part 13 manufactured and corresponding thereto has a lumen part 2 capable of receiving the leg pieces 25b, 25b of the light guide member 25.
Under the condition in which 6, 26 are formed, the leg 2
5b, 25b are provided with inclined receiving portions 27, 27 for pressing the outer portions of the distal ends in a stretched state.
27 and a plate-shaped mounting portion 2 bent by the cutout portion 24
8.
【００１１】上記構成のもとに、ボタン主部１３に対し
導光部材２５を図４のように対向させた後、図１ないし
図３のようにボタン主部１３における取付部２８を導光
片２５ａと脚片２５ｂ，２５ｂとにより挟持する状態の
もとに嵌合し、これにより導光片２５ａと脚片２５ｂ，
２５ｂとによるクリップ作用によりボタン主部１３にお
ける取付部２８を図２に矢印で示すように千鳥関係に挟
持するようにし、しかも脚片２５ｂ，２５ｂはその先端
部分において傾斜した受部２７，２７に圧接するのであ
るから、導光片２５ａの先端は必然的に切欠部２４に密
着状態が維持される傾向に装着され、なお導光部材２５
の舌片２５ｃは押ボタン１５の底部を形成してド−ム状
受動部１７に常時対接する関係上、ボタン主部１３と導
光部材２５との嵌合状態は安定的に持続されるのであ
る。After the light guide member 25 is opposed to the button main portion 13 as shown in FIG. 4 in the above configuration, the light guide member 25 is guided to the mounting portion 28 in the button main portion 13 as shown in FIGS. The light guide piece 25a, the leg pieces 25b, and the light guide piece 25a are fitted in a state of being sandwiched between the piece 25a and the leg pieces 25b, 25b.
The clip portion 25b causes the attachment portion 28 of the button main portion 13 to be sandwiched in a staggered relationship as shown by the arrow in FIG. 2, and the leg pieces 25b, 25b Because of the pressure contact, the tip of the light guide piece 25a is necessarily attached to the notch 24 so as to maintain the close contact state.
Since the tongue piece 25c forms the bottom of the push button 15 and is always in contact with the dome-shaped passive portion 17, the fitting state between the button main portion 13 and the light guide member 25 is stably maintained. is there.
【００１２】なお、本考案のボタン孔１２並びに押ボタ
ン１５の形状については、上記実施例のような長方形に
限らず、正方形，円形，楕円形，三角形，異形等、他の
形状でもよいこと当然である。The shapes of the button hole 12 and the push button 15 of the present invention are not limited to the rectangular shape as in the above embodiment, but may be other shapes such as a square, a circle, an ellipse, a triangle, and an irregular shape. It is.
【００１３】[0013]
【考案の効果】以上説明したように、本考案によれば、
導光片とこれに平行状態の脚片とによりクリップを構成
した導光部材をボタン主部における取付部に対し脚片の
先端と導光片の先端とが取付部を挟持する状態に嵌合装
着したから、導光片とボタン主部の切欠部とを常時密接
状態に維持することができ、従って導光片とボタン主部
との対接部分に隙間を生じことがなく、体裁がよいほか
隙間に塵埃等が侵入して汚損することがなく、更に導光
部材には導光片および脚片にほぼ直角な舌片を設けてこ
れをボタン主部の底部に添着されるように構成したか
ら、スイッチの受動部による押上げ作用のもとに導光部
材はボタン主部に常時押圧され、従って導光部材はボタ
ン主部に常に安定的に固定され、ボタン主部からの離脱
傾向が確実に防止される等の効果がある。[Effects of the Invention] As described above, according to the present invention,
The light guide member, which is composed of a clip formed by the light guide piece and the leg piece in a state parallel to the light guide piece, is fitted to the mounting portion of the button main body such that the tip of the leg piece and the tip of the light guide piece sandwich the mounting portion. Since it is attached, the light guide piece and the cutout of the button main part can always be kept in close contact with each other, so that there is no gap at the contact part between the light guide piece and the button main part, and the appearance is good. In addition, no dust etc. intrudes into the gaps and becomes dirty, and the light guide member is provided with a tongue piece that is almost perpendicular to the light guide piece and leg piece, and this is attached to the bottom of the button main part. As a result, the light guide member is constantly pressed to the button main part by the push-up action of the passive part of the switch, so that the light guide member is always stably fixed to the button main part and tends to separate from the button main part. Are surely prevented.
【図１】本考案の押ボタンの導光部構造を装備した照光
式押ボタンスイッチの縦断側面図である。FIG. 1 is a vertical side view of an illuminated pushbutton switch equipped with a pushbutton light guide structure according to the present invention.
【図２】押ボタンスイッチの一部破断平面図である。FIG. 2 is a partially cutaway plan view of the push button switch.
【図３】押ボタンだけの縦断側面図である。FIG. 3 is a vertical sectional side view of only a push button.
【図４】押ボタンだけの分解斜視図である。FIG. 4 is an exploded perspective view of only a push button.
【図５】従来の押ボタンの分解斜視図である。FIG. 5 is an exploded perspective view of a conventional push button.
【図６】従来の押ボタンの使用状態の正面図である。FIG. 6 is a front view of a conventional push button in use.
１５ 押ボタン １７ 受動部 １８ 可動接点 ２０ 固定接点 ２１ プリント基板 ２４ 接欠部 ２５ 導光部材 ２５ａ 導光片 ２５ｂ 脚片 ２５ｃ 舌片 ２６ 内腔部 ２７ 受部 ２８ 取付部 DESCRIPTION OF SYMBOLS 15 Push button 17 Passive part 18 Movable contact 20 Fixed contact 21 Printed circuit board 24 Contact part 25 Light guide member 25a Light guide piece 25b Leg piece 25c Tongue piece 26 Lumen part 27 Receiving part 28 Mounting part
Claims (1)
により弾力的に変形する受動部（１７）に可動接点（１
８）を設けるほか、前記可動接点（１８）に対向する位
置に固定接点（２０），（２０）を形成したプリント基
板（２１）を設け、前記受動部（１７）を押ボタン（１
５）の底部に対応させた状態のもとに、受動部（１７）
のばね作用により押ボタン（１５）を常時外方に進出し
易い状態に保ったまま、押ボタン（１５）の押し込み操
作により受動部（１７）の弾力に抗して可動接点（１
８）を固定接点（２０），（２０）に圧接させることが
できるようにし、かつ押ボタン（１５）にはその一側部
に頂部から内方に貫通する切欠部（２４）を形成してこ
の切欠部（２４）に導光部材（２５）を装着すると共
に、導光部材（２５）に対応する前記プリント基板（２
１）上に表示燈（２２）を設けた型式の照光式押ボタン
スイッチにおいて、前記押ボタン（１５）における切欠
部（２４）に符合する導光片（２５ａ）と、この導光片
（２５ａ）に対し両側にほぼ平行状態に延びる脚片（２
５ｂ），（２５ｂ）とを有し、これら導光片（２５ａ）
と脚片（２５ｂ），（２５ｂ）とによりクリップを構成
し、かつ導光片（２５ａ）および脚片（２５ｂ），（２
５ｂ）の基部からはほぼ直角に延びる舌片（２５ｃ）設
け、これに対するボタン主部（１３）としては、前記導
光部材（２５）における脚片（２５ｂ），（２５ｂ）を
受け入れるための内腔部（２６），（２６）を形成した
状態のもとに、その内側面に脚片（２５ｂ），（２５
ｂ）の先端外側部が圧接する受部（２７），（２７）を
設け、これら受部（２６），（２６）と前記切欠部（２
４）とにより取付部（２８）を構成し、前記導光部（２
５ａ）および脚片（２５ｂ），（２５ｂ）によるクリッ
プが取付部（２８）に差し込まれる状態のもとに導光部
材（２５）をボタン主部（１３）に嵌合すると共に、舌
片（２５ｃ）をボタン主部（１３）の底部に添着して前
記受動部（１７）に対接するようにしたことを特徴とす
る照光式押ボタンスイッチにおける押ボタンの導光部構
造。A movable contact (1) is attached to a passive portion (17) that is elastically deformed by a pressing operation on a push button (15).
8), a printed circuit board (21) having fixed contacts (20) and (20) formed at a position facing the movable contact (18), and the passive unit (17) is pressed with a push button (1).
Under the condition corresponding to the bottom of 5), the passive unit (17)
The push-button (15) is pressed against the elasticity of the passive part (17) by the pushing operation of the push-button (15) while keeping the push-button (15) in a state where it is easy to advance outward at all times by the spring action of the movable contact (1).
8) can be pressed against the fixed contacts (20), (20), and the push button (15) is formed with a cutout (24) penetrating inward from the top on one side thereof. A light guide member (25) is attached to the notch (24), and the printed circuit board (2) corresponding to the light guide member (25) is mounted.
1) In an illuminated push button switch of the type having an indicator light (22) provided thereon, a light guide piece (25a) corresponding to the notch (24) of the push button (15), and the light guide piece (25a). ) And leg pieces (2
5b) and (25b), and these light guide pieces (25a)
And the leg pieces (25b) and (25b) constitute a clip, and the light guide piece (25a) and the leg pieces (25b) and (2b)
A tongue piece (25c) extending substantially at a right angle from the base of 5b) is provided, and a button main part (13) corresponding to the tongue piece (25b) for receiving the leg pieces (25b) and (25b) in the light guide member (25) is provided. Under the condition that the cavity portions (26) and (26) are formed, the leg pieces (25b) and (25
b) are provided with receiving portions (27) and (27) to be pressed against the outside of the tip, and these receiving portions (26) and (26) and the notch (2)
4) together with the light guide (2).
The light guide member (25) is fitted to the button main part (13) with the clip formed by the clip (5a) and the leg pieces (25b) and (25b) inserted into the mounting part (28), and the tongue piece ( 25c) is attached to the bottom of the button main part (13) so as to be in contact with the passive part (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993062624U JP2597928Y2 (en) | 1993-10-28 | 1993-10-28 | Light guide structure of push button in illuminated push button switch |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1993062624U JP2597928Y2 (en) | 1993-10-28 | 1993-10-28 | Light guide structure of push button in illuminated push button switch |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0729727U JPH0729727U (en) | 1995-06-02 |
| JP2597928Y2 true JP2597928Y2 (en) | 1999-07-26 |
Family
ID=13205667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1993062624U Expired - Lifetime JP2597928Y2 (en) | 1993-10-28 | 1993-10-28 | Light guide structure of push button in illuminated push button switch |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2597928Y2 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4690888B2 (en) * | 2005-12-28 | 2011-06-01 | ポリマテック株式会社 | Key top and manufacturing method thereof |
-
1993
- 1993-10-28 JP JP1993062624U patent/JP2597928Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0729727U (en) | 1995-06-02 |
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