JP4663474B2

JP4663474B2 - Pushbutton switch with light emitting function

Info

Publication number: JP4663474B2
Application number: JP2005290772A
Authority: JP
Inventors: 亨三木; 昭夫宮原
Original assignee: ミヤマ電器株式会社
Priority date: 2005-10-04
Filing date: 2005-10-04
Publication date: 2011-04-06
Anticipated expiration: 2025-10-04
Also published as: JP2007103142A

Description

本発明は、押ボタンスイッチの前面が、押ボタンスイッチに接続された電気回路の動作時あるいは非動作時に発光する、発光機能を有する押ボタンスイッチに関するものである。 The present invention relates to a pushbutton switch having a light emitting function in which a front surface of a pushbutton switch emits light when an electric circuit connected to the pushbutton switch is operated or not operated.

従来、略円筒形のケースと、この略円筒形のケースの一端に嵌挿され、このケースの他端方向に沿って所定距離にわたり摺動自在であり、かつ、透光性を有する材料からなるボタンと、このボタンとともに移動して前記ボタンの押圧をスイッチ機構に伝達する可動板と、前記ボタンおよび可動板を前記ケースの一端方向に付勢するコイルばねと、このコイルばねを支持するとともに、照光機構および前記スイッチ機構とを備えた基板と、前記ケースの他端に係合され、前記基板を固定支持する底部カバーとを備えたことを特徴とする照光型押しボタンスイッチが知られている（特許文献１）。
特開２００３−１７３７２５公報（要約参照） Conventionally, it is made of a substantially cylindrical case and a material that is fitted into one end of the substantially cylindrical case, is slidable over a predetermined distance along the other end direction of the case, and has translucency. A button, a movable plate that moves together with the button and transmits the pressing of the button to the switch mechanism, a coil spring that biases the button and the movable plate toward one end of the case, and supports the coil spring; 2. Description of the Related Art An illuminated pushbutton switch is known that includes a substrate including an illumination mechanism and the switch mechanism, and a bottom cover that is engaged with the other end of the case and fixes and supports the substrate. (Patent Document 1).
JP 2003-173725 A (see abstract)

前記特許文献１に開示された照光型押しボタンスイッチは、前記透光性を有するボタンから底部カバーまでの間隔（厚さ）が大きくなる問題があった。
そこで、本発明は、各構成部材がワンタッチで組み立て可能になっており、かつ、表面に発光体が表面実装され、裏面に発光部と受光部とを対向させたフォトインタラプタが取り付けられた配線基板を、その表裏から跨ぐように、表側の半透明着色面の裏面側に光拡散板を有する押ボタンが配設され、裏面側にフォトインタラプタの発光部と受光部の間の光を、遮光または投光させる遮光部材が配設されたものが、前記配線基板の表面側および裏面側に連動移動して、スイッチのＯＮ／ＯＦＦ時に、半透明着色面が発光するようにした薄型の、光機能を有する押ボタンスイッチを提供することを課題とする。 The illuminated pushbutton switch disclosed in Patent Document 1 has a problem in that the interval (thickness) from the light-transmitting button to the bottom cover is increased.
Therefore, the present invention provides a wiring board in which each constituent member can be assembled with one touch, a light emitter is surface-mounted on the front surface, and a photo interrupter in which the light emitting portion and the light receiving portion are opposed to each other is attached to the rear surface. and so as to extend over from the front and back, 押Bo Tan having a light diffusion plate is disposed on the back side of the front side of the translucent colored surface, the light between the light receiving portion emitting unit of the photointerrupter on the back side, the light shielding Alternatively, a thin light that is provided with a light-shielding member that projects light, moves in conjunction with the front and back sides of the wiring board so that a semi-transparent colored surface emits light when the switch is turned on / off. it is an object of the present invention to provide a 押Bo button switch having a function.

前記課題を解決するため、請求項１に係る発明は、着色半透明の押ボタン（１）と、この押ボタン（１）の裏面側に固着された光拡散板（２）と、前記押ボタン（１）を押動可能に保持したケース（３）と、前記光拡散板（２）と対向する表面に発光体（４）が表面実装され、裏面に発光素子（５ａ）と受光素子（５ｂ）とが所定間隔で対向して配設されたフォトインタラプタ（５）を備えて前記ケース（３）に固着された配線基板（６）と、前記押ボタン（１）を押動することによって前記フォトインタラプタ（５）の発光素子（５ａ）と受光素子（５ｂ）との間の光が遮光または投光されるように設けた遮光部材（７）と、この遮光部材（７）と共に前記押ボタン（１）が押し戻されるスプリング（８）と、によって構成され、前記押ボタン（１）と遮光部材（７）は、前記配線基板（６）を、前記押ボタン（１）の移動方向にその両側から挟むように連結して配設されており、前記フォトインタラプタ（５）の発光素子（５ａ）と受光素子（５ｂ）との間に光を投光させることによって、または光を遮光することによって、前記発光体（４）を発光させるようにした発光機能を有する押ボタンスイッチであって、前記ケース（３）は、前記配線基板（６）を固着する載置面（３ｂ）を内底面とすると共に、前記配線基板（６）、前記光拡散板（２）および前記押ボタン（１）を収納する上側収納部を有し、さらに、前記上側収納部の下面に、前記遮光部材（７）および前記スプリング（８）を収納する下側収納部を有し、前記フォトインタラプタ（５）は、このフォトインタラプタ（５）の上端部側が、前記配線基板（６）の下面に固着され、当該フォトインタラプタ（５）の下端部側が、前記載置面（３ｂ）に穿設された貫通孔（３ｅ）を挿通して前記下側収納部内に配置されると共に、前記発光素子（５ａ）および前記受光素子（５ｂ）が前記下側収納部内に配置され、前記遮光部材（７）は、この遮光部材（７）の係合爪（７ａ）が前記ケース（３）に固定された前記配線基板（６）を跨ぐように前記押ボタン（１）の側に延び、前記押ボタン（１）の係合孔（１ｄ）に係合されることによって、前記下側収納部内に移動可能に配置されると共に、前記スプリング（８）により前記下側収納部の天井面に押し付けられて配置され、前記スプリング（８）は、前記下側収納部を閉塞する底蓋（９）によって下端部が受け止められていることを特徴とする発光機能を有する押ボタンスイッチとしたものである。 In order to solve the above problem, the invention according to claim 1 is a colored translucent push button (1), a light diffusion plate (2) fixed to the back side of the push button (1), and the push button. The case (3) holding the (1) in a slidable manner, the light emitting body (4) is mounted on the surface facing the light diffusing plate (2), and the light emitting element (5a) and the light receiving element (5b) are mounted on the back surface. ) Are provided with photointerrupters (5) arranged to face each other at a predetermined interval and fixed to the case (3), and by pushing the push button (1), A light blocking member (7) provided so that light between the light emitting element (5a) and the light receiving element (5b) of the photo interrupter (5) is blocked or projected, and the push button together with the light blocking member (7) A spring (8) to which (1) is pushed back; Switch (1) and the light-shielding member (7), the wiring board (6), said being linked to arranged so as to sandwich from both sides in the moving direction of the push button (1), the photo interrupter (5 The light emitting element (4) is made to emit light by projecting light between the light emitting element (5a) and the light receiving element (5b) or by blocking the light. In the button switch, the case (3) has a mounting surface (3b) to which the wiring board (6) is fixed as an inner bottom surface, and the wiring board (6), the light diffusion plate (2), and An upper storage portion for storing the push button (1); and a lower storage portion for storing the light shielding member (7) and the spring (8) on a lower surface of the upper storage portion, The photo interrupter (5) The upper end of the cover (5) is fixed to the lower surface of the wiring board (6), and the lower end of the photo interrupter (5) has a through hole (3e) drilled in the mounting surface (3b). The light-emitting element (5a) and the light-receiving element (5b) are arranged in the lower storage part and inserted in the lower storage part, and the light-shielding member (7) ) Engaging claws (7a) extend to the side of the push button (1) so as to straddle the wiring board (6) fixed to the case (3). 1d) is movably disposed in the lower storage portion by being engaged, and is pressed against the ceiling surface of the lower storage portion by the spring (8). The spring (8) Is a lower end portion by a bottom lid (9) for closing the lower storage portion This is a pushbutton switch having a light emitting function characterized by being received .

また、請求項２に係る発明は、前記押ボタン（１）は、合成樹脂製で、半透明着色面(1ａ)と筒状部（１ｂ）とで形成され、この筒状部（１ｂ）には、前記半透明着色面(1ａ)の内側近傍に光拡散板（２）が係止される段部（１ｃ）と、前記遮光部材（７）に形成した係合爪（７ａ）が係合する係合孔（１ｄ）とが形成され、前記遮光部材（７）は、合成樹脂製で、その中央部に遮光部（７ｂ）が形成され、四隅に、前記押ボタン（１）の筒状部（１ｂ）に形成した係合孔（１ｄ）に係合する係合爪（７ａ）が形成されて、前記係合爪（７ａ）が、前記下側収納部、前記上側収納部および前記配線基板（６）を介して前記押ボタン（１）に係止されるように延設されていることを特徴とする請求項１に記載の発光機能を有する押ボタンスイッチとしたものである。 In the invention according to claim 2, the push button (1) is made of synthetic resin and is formed of a translucent colored surface (1a) and a cylindrical portion (1b), and the cylindrical portion (1b) The engaging portion (7a) formed on the light shielding member (7) and the step portion (1c) where the light diffusing plate (2) is locked in the vicinity of the inner side of the translucent colored surface (1a) are engaged. The light shielding member (7) is made of synthetic resin, the light shielding portion (7b) is formed at the center, and the cylindrical shape of the push button (1) is formed at the four corners. An engagement claw (7a) that engages with an engagement hole (1d) formed in the portion (1b) is formed, and the engagement claw (7a) includes the lower storage portion, the upper storage portion, and the wiring. a push-button switch capable of emitting light according to claim 1, characterized in that it is extended such that the locked to the pushbutton (1) through the substrate (6) Those were.

また、請求項３に係る発明は、前記上側収納部内の前記載置面（３ｂ）には、前記配線基板（６）の位置決めをする位置決め突起（３ｃ）が形成され、前記配線基板（６）は、前記上側収納部の開口部側から前記上側収納部内に挿入されると共に、前記上側収納部の開口部側から前記載置面（３ｂ）にネジ止めされることを特徴とする請求項１または請求項２に記載の発光機能を有する押ボタンスイッチとしたものである。 According to a third aspect of the present invention, a positioning projection (3c) for positioning the wiring board (6) is formed on the placement surface (3b) in the upper storage portion, and the wiring board (6). Is inserted into the upper storage part from the opening side of the upper storage part and screwed to the mounting surface (3b) from the opening side of the upper storage part. Alternatively, a push button switch having a light emitting function according to claim 2 is provided.

また、請求項４に係る発明は、前記スプリング（８）は、前記遮光部材（７）と合成樹脂製の前記ケース（３）の合成樹脂製の底蓋（９）との間に縮設され、前記底蓋（９）に形成した係合爪（９ａ）が前記ケース（３）に形成した係合孔（３ａ）に係合するように構成されていることを特徴とする請求項１に記載の発光機能を有する押ボタンスイッチとしたものである。 The invention according to claim 4, wherein the spring (8) is provided in a compressed state between the synthetic resin of the bottom lid of the shielding member (7) and the synthetic resin of the case (3) (9) The engagement claw (9a) formed in the bottom cover (9) is configured to engage with an engagement hole (3a) formed in the case (3). This is a push button switch having the light emitting function described.

発光機能を有する押ボタンスイッチは、請求項１に係る発明のように構成することによって、発光機能を有する押ボタンスイッチの高さを低くし、薄型にすることができる。また、押ボタンと遮光部材は、前記配線基板を、押ボタンの移動方向にその両側から挟むようにワンタッチで連結して配設することができる。 By configuring the pushbutton switch having the light emitting function as in the invention according to claim 1, the height of the pushbutton switch having the light emitting function can be reduced and made thin. In addition, the push button and the light shielding member can be connected and disposed with one touch so that the wiring board is sandwiched from both sides in the moving direction of the push button.

また、請求項２に係る発明のように構成することによって、前記押ボタンと遮光部材とを、ワンタッチで連結して配設することができる。 Moreover, by comprising like the invention which concerns on Claim 2, the said pushbutton and the light shielding member can be connected and arrange | positioned by one-touch.

また、請求項３に係る発明のように構成することによって、上側収納部内の載置面（３ｂ）に、配線基板（６）の位置決めをする位置決め突起（３ｃ）が形成されていることにより、配線基板（６）を、載置面（３ｂ）の所定位置にネジ止めすることができる。 Moreover, by comprising like the invention which concerns on Claim 3, the positioning protrusion (3c) which positions a wiring board (6) is formed in the mounting surface (3b) in an upper side accommodating part, The wiring board (6) can be screwed to a predetermined position on the placement surface (3b).

また、請求項４に係る発明のように構成することによって、前記遮光部材とケースの底蓋との間に、前記スプリングをワンタッチで縮設することができる。 Moreover, by comprising like the invention which concerns on Claim 4, the said spring can be shrunk by one-touch between the said light-shielding member and the bottom cover of a case.

図１は本発明の発光機能を有する押ボタンスイッチの第１の実施の形態を示す縦断面図、図２は同縦断斜視図、図３は同分解斜視図、図４は押ボタンスイッチを組み立てた状態の斜視図、図５の（ａ）は後記する遮光部材を押ボタンスイッチに組み立てる前の下方から見た斜視図で、（ｂ）は組み立てた状態の同斜視図、図６の（ａ）は後記するスプリングを嵌合して底蓋を押ボタンスイッチに嵌合する前の斜視図で、（ｂ）は底蓋を嵌合した状態の同斜視図であり、これらの図面および適宜図７以下の図面を参照して本発明を詳細に説明する。 1 is a longitudinal sectional view showing a first embodiment of a pushbutton switch having a light emitting function according to the present invention, FIG. 2 is a longitudinal perspective view thereof, FIG. 3 is an exploded perspective view thereof, and FIG. 4 is an assembled pushbutton switch. FIG. 5A is a perspective view seen from below before assembling a light blocking member to be described later into a pushbutton switch, FIG. 5B is a perspective view of the assembled state, and FIG. ) Is a perspective view before a bottom cover is fitted to the pushbutton switch by fitting a spring, which will be described later, and (b) is a perspective view of the state in which the bottom lid is fitted. The present invention will be described in detail with reference to the following drawings.

本発明に係る発光機能を有する押ボタンスイッチは、図１乃至図３に示すように、例えば、赤色に着色した着色半透明の押ボタン１の裏面側の筒状部１ｂの段部１ｃに光拡散板２が固着されている。また、押ボタン１を押動可能に保持したケース３に配線基板６が固定されている。この配線基板６には、前記光拡散板２と対向する表面に、脚の無い発光体４が表面実装され、裏面に発光素子５ａと受光素子５ｂとが所定間隔で対向して配設されたフォトインタラプタ５が取り付けられている。また、前記押ボタン１を押動することによって、これと連動して、前記フォトインタラプタ５の発光素子５ａと受光素子５ｂとの間の光を遮光または投光し得る遮光部７ｂを有する遮光部材７が設けられている。また、この遮光部材７と共に前記押ボタン１を押し戻すスプリング８が、この遮光部材７と底蓋９との間に縮設されている。 As shown in FIGS. 1 to 3, the pushbutton switch having a light emitting function according to the present invention is configured such that, for example, light is applied to the step portion 1 c of the cylindrical portion 1 b on the back side of the colored translucent pushbutton 1 colored in red. The diffusion plate 2 is fixed. A wiring board 6 is fixed to a case 3 that holds the push button 1 so that it can be pushed. On this wiring board 6, a light-emitting body 4 without legs is surface-mounted on the surface facing the light diffusion plate 2, and a light-emitting element 5 a and a light-receiving element 5 b are disposed on the back surface to face each other at a predetermined interval. A photo interrupter 5 is attached. Further, when the push button 1 is pushed, in conjunction with this, a light shielding member having a light shielding portion 7b capable of shielding or projecting light between the light emitting element 5a and the light receiving element 5b of the photo interrupter 5 7 is provided. A spring 8 that pushes back the push button 1 together with the light shielding member 7 is contracted between the light shielding member 7 and the bottom cover 9.

そして、前記押ボタン１と遮光部材７は、前記配線基板６を、押ボタン１の移動方向にその両側から挟むように連結して配設されており、前記フォトインタラプタ５の発光素子５ａと受光素子５ｂとの間に光を投光することによって、または光を遮断することによって、前記発光体４を発光させるように、または発光体４の発光を消すようにしたものである。 The push button 1 and the light shielding member 7 are disposed so as to sandwich the wiring board 6 from both sides in the moving direction of the push button 1, and receive light from the light emitting element 5a of the photo interrupter 5. The light emitter 4 is caused to emit light or the light emitter 4 is extinguished by projecting light between the elements 5b or blocking light.

図１、図２および図９に示すように、前記半透明着色面１ａを有する押ボタン１の筒状部１ｂに形成した段部１ｃに、前記光拡散板２を係合させて固着されている。図９の（ａ）は光拡散板２を押ボタン１の筒状部１ｂに係合させる前の状態を下方から見た斜視図で、（ｂ）は光拡散板２を押ボタン１の筒状部１ｂに係合させた状態の斜視図である。 As shown in FIGS. 1, 2 and 9, the light diffusing plate 2 is engaged and fixed to a step portion 1c formed on the cylindrical portion 1b of the push button 1 having the translucent colored surface 1a. Yes. 9A is a perspective view of the state before the light diffusing plate 2 is engaged with the cylindrical portion 1b of the push button 1 as viewed from below, and FIG. 9B is a perspective view of the light diffusing plate 2 with the tube of the push button 1. FIG. It is a perspective view of the state engaged with the shape part 1b.

また、図１および図２に示すように、前記押ボタン１は合成樹脂製のケース３に押動可能に設けられている。また、ケース３の載置面３ｂ（図３、図７参照）に前記配線基板６が固着されている。図３および図７の（ａ）は、ケース３の載置面３ｂに配線基板６を固着する前の状態を示す斜視図であり、この配線基板６は、前記載置面３ｂに形成された位置決め突起３ｃで位置決めされて載置され、ネジ孔３ｄにネジ１０を締め付けて固定される。この配線基板６の前記光拡散板２と対向する表面に脚の無い発光体４（この実施の形態では発光ダイオード）が表面実装され、裏面に発光素子５ａと受光素子５ｂとが所定間隔で対向して配設されたフォトインタラプタ５（図１および図２参照）が取り付けられている。このフォトインタラプタ５は、前記ケース３の載置面３ｂに穿設された貫通孔３ｅ（図１、図２、図３、図７の（ａ）参照）から図において下方に挿通されている。前記のように、配線基板６に発光体４を表面実装することにより、押ボタン１に有する光拡散板２と配線基板６との間を狭くし、その結果として、発光機能を有する押ボタンスイッチの高さを低くし、薄型にすることができる。 As shown in FIGS. 1 and 2, the push button 1 is provided in a synthetic resin case 3 so as to be capable of being pushed. The wiring board 6 is fixed to the mounting surface 3b (see FIGS. 3 and 7) of the case 3. 3A and 7A are perspective views showing a state before the wiring board 6 is fixed to the mounting surface 3b of the case 3, and the wiring board 6 is formed on the mounting surface 3b. It is positioned and placed by the positioning projection 3c, and is fixed by tightening the screw 10 into the screw hole 3d. A light-emitting body 4 (a light-emitting diode in this embodiment) having no legs is surface-mounted on the surface of the wiring board 6 facing the light diffusion plate 2, and the light-emitting element 5a and the light-receiving element 5b are opposed to each other at a predetermined interval on the back surface. A photo interrupter 5 (see FIGS. 1 and 2) arranged in this manner is attached. The photo interrupter 5 is inserted downward in the drawing from a through hole 3e (see FIGS. 1, 2, 3, and 7A) formed in the mounting surface 3b of the case 3. As described above, the light-emitting body 4 is surface-mounted on the wiring board 6, thereby narrowing the space between the light diffusion plate 2 and the wiring board 6 included in the push button 1, and as a result, a push button switch having a light emitting function. Can be made thin and thin.

図７の（ａ）はケース３の載置面３ｂに配線基板６を取り付ける前の斜視図で、同（ｂ）は取り付けた状態の斜視図であり、同（ｃ）は取り付けた状態の下方から見た斜視図である。図８の（ａ）はケース３の載置面３ｂに配線基板６をネジ１０で固定する前の斜視図で、同（ｂ）はネジ止め固定した状態の斜視図である。 7A is a perspective view before the wiring board 6 is attached to the mounting surface 3b of the case 3, FIG. 7B is a perspective view of the attached state, and FIG. 7C is a lower side of the attached state. It is the perspective view seen from. FIG. 8A is a perspective view before the wiring board 6 is fixed to the mounting surface 3b of the case 3 with the screws 10, and FIG.

図１０に示すように、前記フォトインタラプタ５の発光素子５ａと受光素子５ｂとの間の光を、遮光または投光させる合成樹脂製の遮光部材７が形成されている。この遮光部材７は、その平面部７ｃの四隅に係合爪７ａが形成されており、この係合爪７ａが、図３、図５、および図１１に示すように、前記配線基板６を図において下方から跨ぐように前記押ボタン１の側に伸びて配設され、この係合爪７ａが前記押ボタン１の筒状部１ｂに形成した係合孔１ｄ（図３および図９参照）に合成樹脂の弾性によってワンタッチで係合されるようになっている。図３および図５の（ａ）は前記係合爪７ａが係合孔１ｄに係合する前の状態を示す。 As shown in FIG. 10, a light shielding member 7 made of synthetic resin is formed to shield or project light between the light emitting element 5a and the light receiving element 5b of the photo interrupter 5. The light shielding member 7 has engaging claws 7a formed at the four corners of the flat surface portion 7c. The engaging claws 7a show the wiring board 6 as shown in FIG. 3, FIG. 5, and FIG. In FIG. 3, the engagement claw 7 a is extended to the push button 1 side so as to straddle from below, and the engagement claw 7 a is formed in an engagement hole 1 d (see FIGS. 3 and 9) formed in the cylindrical portion 1 b of the push button 1. The one-touch engagement is made by the elasticity of the synthetic resin. 3A and 5A show a state before the engaging claw 7a is engaged with the engaging hole 1d.

図１１の（ａ）は前記係合爪７ａが配線基板６を下方から跨ぐように前記押ボタン１の側に伸びる途中の状態を、同（ｂ）は係合爪７ａが配線基板６を下方から跨ぐように伸びた状態を示す。そして、この図１１の（ｂ）に示す状態で、押ボタン１を上方から嵌合すると、前記のように、前記係合爪７ａが前記押ボタン１の筒状部１ｂに形成した係合孔１ｄにワンタッチで係合される。また、係合爪７ａは、その先端部が鉤状になっており、これが係合孔１ｄにワンタッチで係合した後は、容易に外れないようになっている。 11A shows a state in which the engaging claw 7a extends to the push button 1 so as to straddle the wiring board 6 from below, and FIG. 11B shows the engaging claw 7a below the wiring board 6. The state extended so that it may straddle from is shown. When the push button 1 is fitted from above in the state shown in FIG. 11B, the engagement claw 7a is formed in the tubular portion 1b of the push button 1 as described above. 1d is engaged with one touch. Moreover, the engaging claw 7a has a hook shape at the tip, and after it is engaged with the engaging hole 1d by one touch, it cannot be easily detached.

また、図１０に示すように、前記遮光部材７の平面部７ｃの中央部に、下方へ突出した遮光部７ｂが形成されている。この遮光部７ｂは上方へ突出して形成してもよい。また、前記平面部７ｃの中間部の両側に、前記光拡散板２に当接する当接柱７ｄが形成されている。したがって、前記押ボタン１と遮光部材７とを係合した場合に、前記光拡散板２が、がたつかないように、押ボタン１と遮光部材７とが一体に組み立てられる。 As shown in FIG. 10, a light shielding portion 7 b that protrudes downward is formed at the center of the flat surface portion 7 c of the light shielding member 7. The light shielding portion 7b may be formed to protrude upward. In addition, contact columns 7d that contact the light diffusion plate 2 are formed on both sides of the intermediate portion of the flat surface portion 7c. Therefore, when the push button 1 and the light shielding member 7 are engaged, the push button 1 and the light shielding member 7 are assembled together so that the light diffusion plate 2 does not rattle.

図６の（ａ）に示すように、遮光部材７の図において上面にスプリング８を嵌合し、さらに、合成樹脂製の底蓋９の係合爪９ａがケース３に形成した係合孔３ａに弾性によってワンタッチで係合すると、図４で上方から見た斜視図および図６の（ｂ）で下方から見た斜視図で示すように、発光機能を有する押ボタンスイッチを組み立てることができる。前記係合爪９ａは、その先端部が鉤状になっており、これが前記ケース３に形成した係合孔３ａにワンタッチで係合した後は容易に外れないようになっている。 As shown in FIG. 6A, the spring 8 is fitted on the upper surface of the light shielding member 7, and the engagement claw 9 a of the synthetic resin bottom cover 9 is formed in the case 3. As shown in a perspective view seen from above in FIG. 4 and a perspective view seen from below in FIG. 6B, a pushbutton switch having a light emitting function can be assembled. The front end of the engaging claw 9a has a hook-like shape, so that it cannot be easily detached after it is engaged with the engaging hole 3a formed in the case 3 with one touch.

なお、図１ないし図５、図７および図８に示す、符号１１は前記のように構成した押ボタンスイッチを図示しない電気回路に接続するためのコネクタである。 Reference numeral 11 shown in FIGS. 1 to 5, 7 and 8 denotes a connector for connecting the pushbutton switch configured as described above to an electric circuit (not shown).

図１２〜図１５は、本発明の発光機能を有する押ボタンスイッチの第２の実施の形態を示すもので、図１２は斜視図、図１３は平面図、図１４は正面図、図１５は分解斜視図であり、前記第１の実施の形態と相違する点は、第１の実施の形態における押ボタン１の平面形状が楕円であるのに対し、第２の実施の形態の押ボタン１′の平面形状は半楕円である点が相違する。その他の構造は同じであるので、詳細な説明は省略する。 12 to 15 show a second embodiment of a pushbutton switch having a light emitting function according to the present invention. FIG. 12 is a perspective view, FIG. 13 is a plan view, FIG. 14 is a front view, and FIG. FIG. 4 is an exploded perspective view, and is different from the first embodiment in that the planar shape of the push button 1 in the first embodiment is an ellipse, whereas the push button 1 in the second embodiment. The difference is that the planar shape of ′ is a semi-ellipse. Since other structures are the same, detailed description is omitted.

本発明の発光機能を有する押ボタンスイッチの縦断面図である。It is a longitudinal cross-sectional view of the pushbutton switch which has a light emission function of this invention. 本発明の発光機能を有する押ボタンスイッチの縦断斜視図である。It is a vertical perspective view of the pushbutton switch which has the light emission function of this invention. 本発明の発光機能を有する押ボタンスイッチの分解斜視図である。It is a disassembled perspective view of the pushbutton switch which has a light emission function of this invention. 本発明の発光機能を有する押ボタンスイッチの組立状態の斜視図である。It is a perspective view of the assembly state of the pushbutton switch which has a light emission function of this invention. （ａ）は遮光部材を組み立てる前の下方から見た斜視図で、（ｂ）は組み立てた状態の同斜視図である。(A) is the perspective view seen from the downward direction before assembling a light-shielding member, (b) is the same perspective view of the assembled state. （ａ）はスプリングを嵌合して底蓋を嵌合する前の斜視図で、（ｂ）は底蓋を嵌合した状態の同斜視図である。(A) is a perspective view before fitting a spring and a bottom cover, (b) is the same perspective view of the state which fitted the bottom cover. （ａ）はケースに配線基板を取り付ける前の斜視図で、（ｂ）は取り付けた状態の斜視図であり、（ｃ）は取り付けた状態の下方から見た斜視図である。(A) is a perspective view before attaching a wiring board to a case, (b) is a perspective view of the attached state, (c) is a perspective view seen from the lower side of the attached state. （ａ）はケースに配線基板をネジ止め固定する前の斜視図で、（ｂ）はネジ止め固定した状態の斜視図である。(A) is a perspective view before fixing a wiring board to a case with a screw, (b) is a perspective view of the state fixed with a screw. （ａ）は押ボタンに光拡散板を取り付ける前の斜視図で、（ｂ）は取り付けた後の斜視図である。(A) is a perspective view before attaching a light diffusing plate to a pushbutton, (b) is a perspective view after attaching. 遮光部材を上方から見た斜視図である。It is the perspective view which looked at the light-shielding member from the upper part. （ａ）は遮光部材が配線基板の下方からそれを跨ぐように嵌合する途中を示す斜視図であり、（ｂ）は嵌合した状態を示す斜視図である。(A) is a perspective view which shows the halfway which fits so that a light shielding member may straddle it from the downward direction of a wiring board, (b) is a perspective view which shows the state fitted. 本発明の発光機能を有する押ボタンスイッチの第２の実施の形態を示す斜視図である。It is a perspective view which shows 2nd Embodiment of the pushbutton switch which has a light emission function of this invention. 同第２の実施の形態を示す平面図である。It is a top view which shows the 2nd Embodiment. 同第２の実施の形態を示す正面図である。It is a front view showing the second embodiment. 同第２の実施の形態を示す分解斜視図である。It is a disassembled perspective view which shows the 2nd Embodiment.

Explanation of symbols

１押ボタン
１′ 押ボタン
１ａ半透明着色面
１ｂ筒状部
１ｃ段部
１ｄ係合孔
２光拡散板
３ケース
３ａ係合孔
３ｂ載置面
３ｃ位置決め突起
３ｅ貫通孔
３ｄネジ孔
４発光体
５フォトインタラプタ
５ａ発光素子
５ｂ受光素子
６配線基板
７遮光部材
７ａ係合爪
７ｂ遮光部
７ｃ平面部
７ｄ当接柱
８スプリング
９底蓋
９ａ係合爪
１０ネジ
１１コネクタ DESCRIPTION OF SYMBOLS 1 Push button 1 'Push button 1a Translucent coloring surface 1b Cylindrical part 1c Step part 1d Engagement hole 2 Light diffusing plate 3 Case 3a Engagement hole 3b Mounting surface 3c Positioning protrusion 3e Through-hole 3d Screw hole 4 Light emitter 5 Photointerrupter 5a Light emitting element 5b Light receiving element 6 Wiring board 7 Light shielding member 7a Engaging claw 7b Light shielding part 7c Flat part 7d Abutting column 8 Spring 9 Bottom cover 9a Engaging claw 10 Screw 11 Connector

Claims

Colored translucent pushbutton (1),
A light diffusing plate (2) fixed to the back side of the push button (1);
A case (3) holding the push button (1) in a pushable manner;
A light interrupter (4) is mounted on the surface facing the light diffusing plate (2), and the light interrupter (5a) and the light receiving element (5b) are disposed on the back so as to face each other at a predetermined interval. 5) and a wiring board (6) fixed to the case (3).
A light shielding member (7) provided so that light between the light emitting element (5a) and the light receiving element (5b) of the photo interrupter (5) is shielded or projected by pushing the push button (1). )When,
A spring (8) to which the push button (1) is pushed back together with the light shielding member (7),
Said pushbutton (1) and the light-shielding member (7), the wiring board (6), said being linked to arranged so as to sandwich from both sides in the moving direction of the push button (1), the photo-interrupter A light emitting function of causing the light emitter (4) to emit light by projecting light between the light emitting element (5a) and the light receiving element (5b) of (5) or by shielding light. A pushbutton switch having
The case (3) has a mounting surface (3b) to which the wiring board (6) is fixed as an inner bottom surface, and the wiring board (6), the light diffusion plate (2), and the push button (1). An upper storage portion for storing the light shielding member, and a lower storage portion for storing the light shielding member (7) and the spring (8) on the lower surface of the upper storage portion,
In the photo interrupter (5), the upper end side of the photo interrupter (5) is fixed to the lower surface of the wiring board (6), and the lower end side of the photo interrupter (5) is placed on the mounting surface (3b). The light-emitting element (5a) and the light-receiving element (5b) are disposed in the lower storage part while being inserted through the drilled through hole (3e) and disposed in the lower storage part.
The light shielding member (7) is arranged on the push button (1) side so that the engaging claw (7a) of the light shielding member (7) straddles the wiring board (6) fixed to the case (3). By extending and engaging with the engagement hole (1d) of the push button (1), it is movably disposed in the lower storage part, and the ceiling of the lower storage part by the spring (8). Placed against the surface,
The spring (8), pushbutton switch having a light emitting function, wherein a lower end by a bottom cover (9) for closing the lower housing part are received.

The push button (1) is made of a synthetic resin and is formed of a translucent colored surface (1a) and a cylindrical portion (1b).
The cylindrical portion (1b) includes a step portion (1c) in which a light diffusion plate (2) is locked in the vicinity of the inner side of the translucent colored surface (1a), and a member formed on the light shielding member (7). An engagement hole (1d) with which the nail (7a) engages is formed,
The light shielding member (7) is made of synthetic resin, the light shielding portion (7b) is formed at the center thereof, and the engagement holes (1d) formed in the cylindrical portion (1b) of the push button (1) at the four corners. Engaging claws (7a) are formed, and the engaging claws (7a) are connected to the push buttons (1) via the lower storage portion, the upper storage portion, and the wiring board (6). pushbutton switch having a light emitting function according to claim 1, characterized in that it is extended so as locked in).

A positioning projection (3c) for positioning the wiring board (6) is formed on the placement surface (3b) in the upper storage portion,
The wiring board (6) is inserted into the upper storage part from the opening side of the upper storage part, and is screwed to the mounting surface (3b) from the opening side of the upper storage part. pushbutton switch having a light emitting function according to claim 1 or claim 2, characterized.

The spring (8) is provided in a compressed state between the synthetic resin bottom cover (9) of the light shielding member (7) and the synthetic resin of the case (3), formed in the bottom cover (9) pushbutton switch having a light emitting function according to claim 1, characterized in that it is configured as engagement claws (9a) is engaged with the engaging hole (3a) formed above the casing (3).