JP2023002012A - Switch device and key input device - Google Patents

Switch device and key input device Download PDF

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Publication number
JP2023002012A
JP2023002012A JP2021102984A JP2021102984A JP2023002012A JP 2023002012 A JP2023002012 A JP 2023002012A JP 2021102984 A JP2021102984 A JP 2021102984A JP 2021102984 A JP2021102984 A JP 2021102984A JP 2023002012 A JP2023002012 A JP 2023002012A
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Japan
Prior art keywords
movable member
movable
striking
engaged
switch device
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JP2021102984A
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Japanese (ja)
Inventor
成信 岸
Shigenobu Kishi
圭悟 仲畑
Keigo Nakahata
真美子 仲
Mamiko Naka
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Omron Corp
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Omron Corp
Omron Tateisi Electronics Co
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Priority to JP2021102984A priority Critical patent/JP2023002012A/en
Priority to TW111117066A priority patent/TWI815431B/en
Priority to CN202210497971.6A priority patent/CN115512988A/en
Publication of JP2023002012A publication Critical patent/JP2023002012A/en
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/12—Movable parts; Contacts mounted thereon
    • H01H13/14—Operating parts, e.g. push-button
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F3/00—Input arrangements for transferring data to be processed into a form capable of being handled by the computer; Output arrangements for transferring data from processing unit to output unit, e.g. interface arrangements
    • G06F3/01—Input arrangements or combined input and output arrangements for interaction between user and computer
    • G06F3/02—Input arrangements using manually operated switches, e.g. using keyboards or dials
    • G06F3/0202—Constructional details or processes of manufacture of the input device
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/70—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard
    • H01H13/84—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback
    • H01H13/85—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch having a plurality of operating members associated with different sets of contacts, e.g. keyboard characterised by ergonomic functions, e.g. for miniature keyboards; characterised by operational sensory functions, e.g. sound feedback characterised by tactile feedback features

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Push-Button Switches (AREA)
  • Electronic Switches (AREA)

Abstract

To provide a switch device and a key input device that can generate a click sound and a click feeling upon depression of a key switch.SOLUTION: A switch device 1 comprises a stationary member 11 that can be fixed to a substrate 10, and a movable member 12 that is movably supported by the stationary member 11 and moves downward according to a depressing operation, and a key input device comprises the switch devices 1. The switch device comprises a striking member 13 that is attached to the movable member 12 to be movable in the vertical direction with respect to the movable member 12 and strikes the other member, and an elastic member 16 that has a part to be engaged 160 engaged by the striking member 13. The striking member 13 has an engaging part 130 that engages with the part to be engaged 160. The engaging part 130 engages with the part to be engaged 160 along with the downward movement of the movable member 12, and when the engagement of the engaging part 130 with the part to be engaged 160 is released along with a further downward movement of the movable member 12, the striking member 13 strikes the other member.SELECTED DRAWING: Figure 6

Description

本発明は、押下により押下方向に移動する可動部材を備えるスイッチ装置、及びそのようなスイッチ装置を備えるキー入力装置に関する。 The present invention relates to a switch device including a movable member that moves in a pressing direction when pressed, and a key input device including such a switch device.

コンピュータ等の電子機器への入力装置として、複数のキースイッチが並べて配設されたキーボード、更には、入力装置を備える電子機器本体となるノート型パーソナルコンピュータ（以下、ノートＰＣという）が普及している。例えば、特許文献１には、ラバースプリングを用いて薄型化したキーボード装置が開示されている。 As an input device for electronic equipment such as a computer, a keyboard having a plurality of key switches arranged side by side, and a notebook personal computer (hereinafter referred to as a notebook PC), which serves as an electronic equipment main body equipped with an input device, has become widespread. there is For example, Patent Literature 1 discloses a thin keyboard device using a rubber spring.

特開２００３－１４１９６２号公報JP-A-2003-141962

しかしながら、特許文献１に記載されたキーボード装置は、ラバースプリングを用いているため、キースイッチを押下した際の感触及び音、所謂、クリック感及びクリック音が不十分であるという問題がある。 However, since the keyboard device described in Patent Document 1 uses a rubber spring, there is a problem that the feel and sound when the key switch is pressed, that is, the so-called click feeling and click sound are insufficient.

本発明は斯かる事情に鑑みてなされたものであり、キースイッチの押下に関する要求を満たすことが可能なスイッチ装置の提供を主たる目的とする。 SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and a main object thereof is to provide a switch device capable of satisfying the requirements related to depression of a key switch.

また、本発明は、そのようなスイッチ装置を用いたキー入力装置の提供を他の目的とする。 Another object of the present invention is to provide a key input device using such a switch device.

上記課題を解決するため、本願開示のスイッチ装置（キースイッチ）は、基板に固定可能な固定部材と、前記固定部材に移動可能に支持され、押下操作により押下方向へ移動する可動部材と、前記可動部材を押下方向の反対方向へ付勢する付勢部材とを備えるスイッチ装置であって、前記可動部材に対して押下方向及び押下方向の反対方向へ移動可能となるように、前記可動部材に取り付けられ、他の部材を衝打する衝打部材と、前記固定部材に固定された弾性部材とを備え、前記弾性部材は、前記衝打部材から係合される被係合部を有し、前記衝打部材は、前記被係合部と係合する係合部を有し、前記衝打部材は、前記可動部材の押下方向への移動に伴って前記係合部が前記被係合部に係合し、前記可動部材の更なる押下方向への移動に伴って前記係合部による前記被係合部との係合が外れた場合に、他の部材を衝打することを特徴とする。 In order to solve the above problems, a switch device (key switch) disclosed in the present application includes a fixed member that can be fixed to a substrate, a movable member that is movably supported by the fixed member and moves in a depression direction by a depression operation, and and a biasing member that biases the movable member in a direction opposite to the pressing direction, wherein the movable member is movable in the pressing direction and in the direction opposite to the pressing direction. an impacting member attached to impact another member; and an elastic member fixed to the fixing member, the elastic member having an engaged portion that is engaged by the impacting member, The striking member has an engaging portion that engages with the engaged portion, and the engaging portion of the striking member moves toward the engaged portion as the movable member moves in the downward direction. and hits another member when the engaging portion disengages from the engaged portion as the movable member moves further in the pressing direction. do.

また、前記スイッチ装置において、前記弾性部材は、コイルバネを用いて構成されており、前記衝打部材が有する前記係合部は、前記弾性部材を押圧する凸部として構成されており、前記衝打部材は、係合により、前記係合部が前記弾性部材であるコイルバネを押圧して伸長させることを特徴とする。 Further, in the switch device, the elastic member is configured using a coil spring, and the engaging portion of the striking member is configured as a convex portion for pressing the elastic member. The member is characterized in that the engaging portion presses and extends the coil spring, which is the elastic member, by engagement.

更に、本願開示のスイッチ装置は、基板に固定可能な固定部材と、前記固定部材に移動可能に支持され、押下操作により押下方向へ移動する可動部材と、前記可動部材を押下方向の反対方向へ付勢する付勢部材とを備えるスイッチ装置であって、前記可動部材に対して押下方向及び押下方向の反対方向へ移動可能となるように、前記可動部材に取り付けら
れ、他の部材を衝打する衝打部材を備え、前記付勢部材は、前記衝打部材から係合される被係合部を有し、前記衝打部材は、前記被係合部と係合する係合部を有し、前記衝打部材は、前記可動部材の押下方向への移動に伴って前記係合部が前記被係合部に係合し、前記可動部材の更なる押下方向への移動に伴って前記係合部による前記被係合部との係合が外れた場合に、他の部材を衝打することを特徴とする。 Further, the switch device disclosed in the present application comprises: a fixed member that can be fixed to a substrate; a movable member that is movably supported by the fixed member and moves in a depression direction by a depression operation; and an urging member for urging, which is attached to the movable member so as to be movable with respect to the movable member in a pressing direction and a direction opposite to the pressing direction, and impacts another member. The biasing member has an engaged portion that is engaged by the striking member, and the striking member has an engaging portion that engages with the engaged portion. The impacting member engages the engaging portion with the engaged portion as the movable member moves in the downward direction, and further moves in the downward direction. When the engaging portion is disengaged from the engaged portion, the other member is hit.

また、前記スイッチ装置において、前記付勢部材は、圧縮コイルバネを用いて構成されており、前記被係合部は、圧縮コイルバネを構成するコイルの一端を延伸して形成されていることを特徴とする。 Further, in the switch device, the biasing member is configured using a compression coil spring, and the engaged portion is formed by extending one end of a coil that configures the compression coil spring. do.

また、前記スイッチ装置において、前記衝打部材は、前記係合部が前記被係合部と係合することにより前記固定部材に対する移動が規制されることを特徴とする。 Further, in the switch device, the striking member is restricted from moving with respect to the fixed member by engaging the engaging portion with the engaged portion.

更に、本願開示のキー入力装置（キーボード）は、複数のキースイッチが配設されたキー入力装置であって、配設されたキースイッチとして、前記スイッチ装置を備えることを特徴とする。 Furthermore, a key input device (keyboard) disclosed in the present application is a key input device in which a plurality of key switches are arranged, and is characterized by comprising the switch device as the arranged key switches.

また、前記キー入力装置において、光を発する発光部と、前記発光部から発せられた光を受光する受光部と、前記キー入力装置が備える可動部材に取り付けられ、前記発光部から発せられた光を遮蔽する遮蔽部とを備え、前記遮蔽部は、前記可動部材の押下方向への移動に伴って、前記発光部から発せられた光に対する遮蔽又は遮蔽の解除を行うことを特徴とする。 Further, in the key input device, a light-emitting portion that emits light, a light-receiving portion that receives the light emitted from the light-emitting portion, and the light emitted from the light-emitting portion attached to a movable member included in the key input device. wherein the shielding part shields or unshields the light emitted from the light emitting part as the movable member moves in the pressing direction.

本願開示のスイッチ装置及びキー入力装置は、可動部材の押下方向への移動に伴って他の部材を衝打する衝打部材が、可動部材に取り付けられている。 In the switch device and key input device disclosed in the present application, a striking member that strikes another member as the movable member moves in the pressing direction is attached to the movable member.

本発明に係るスイッチ装置及びキー入力装置は、押下操作により押下方向へ移動する可動部材に、衝打部材が取り付けられており、衝打部材は、可動部材の移動に伴い他の部材を衝打する。衝打部材による他の部材の衝打により、押下に伴う要求を満たすことが可能である等、優れた効果を奏する。 In the switch device and the key input device according to the present invention, the impacting member is attached to the movable member that moves in the pressing direction by the pressing operation, and the impacting member impacts another member as the movable member moves. do. By striking another member with the striking member, it is possible to meet the demands associated with pressing down, and other excellent effects can be obtained.

本願開示のキー入力装置を適用したキーボードの外観の一例を示す概略斜視図である。1 is a schematic perspective view showing an example of the appearance of a keyboard to which a key input device disclosed in the present application is applied; FIG. 本願開示のキースイッチの外観の一例を示す概略斜視図である。1 is a schematic perspective view showing an example of the appearance of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの外観の一例を示す概略斜視図である。1 is a schematic perspective view showing an example of the appearance of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略斜視図である。1 is a schematic perspective view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略斜視図である。1 is a schematic perspective view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略分解斜視図である。1 is a schematic exploded perspective view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチが備える可動部材及び衝打部材の一例を示す概略斜視図である。FIG. 4 is a schematic perspective view showing an example of a movable member and a striking member included in the key switch disclosed in the present application; 本願開示のキースイッチが備える可動部材及び衝打部材の一例を示す概略断面図である。FIG. 4 is a schematic cross-sectional view showing an example of a movable member and a striking member included in the key switch disclosed in the present application; 本願開示のキースイッチが備える衝打部材及び弾性部材の一例を示す概略斜視図である。FIG. 4 is a schematic perspective view showing an example of a striking member and an elastic member included in the key switch disclosed in the present application; 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの外観の一例を示す概略斜視図である。1 is a schematic perspective view showing an example of the appearance of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの外観の一例を示す概略斜視図である。1 is a schematic perspective view showing an example of the appearance of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略分解斜視図である。1 is a schematic exploded perspective view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチが備える衝打部材及び付勢部材の一例を示す概略斜視図である。FIG. 4 is a schematic perspective view showing an example of a striking member and an urging member included in the key switch disclosed in the present application; 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG. 本願開示のキースイッチの一例を示す概略断面図である。1 is a schematic cross-sectional view showing an example of a key switch disclosed in the present application; FIG.

＜適用例＞
以下、実施形態について図面を参照しながら説明する。本願開示のキー入力装置は、例えば、コンピュータ等の電子機器へ、文字、数字及び記号の他、各種命令等のデータの入力に用いられるキーボードとして用いられる。キーボードには、キースイッチとして、本願開示のスイッチ装置が複数配設されている。以下では、図面を参照し、図面に記載されたキーボードＫＢ及びキースイッチ１を例示して説明する。 <Application example>
Hereinafter, embodiments will be described with reference to the drawings. The key input device disclosed in the present application is used, for example, as a keyboard for inputting data such as characters, numbers, symbols, and various commands to electronic equipment such as computers. The keyboard is provided with a plurality of switch devices disclosed in the present application as key switches. In the following, the keyboard KB and the key switch 1 illustrated in the drawings will be described with reference to the drawings.

＜キーボード（キー入力装置）＞
図１は、本願開示のキー入力装置を適用したキーボードＫＢの外観の一例を示す概略斜視図である。キーボードＫＢには、スイッチ装置として、文字キー、数字キー、その他ファンクションキー等の複数のキースイッチ１が、ＱＷＥＲＴＹ配列等の配列に従って並べて配列されている。なお、以降の説明では、使用者が一般的な姿勢で机に載置したキーボードＫＢを使用するものとし、キーボードＫＢ及びキーボードＫＢが備えるキースイッチ１の方向については、使用者の視点で定義する。即ち、本願では、手前側（図１では、左下側）を前方とし、キースイッチ１を押下する方向を下側として説明する。 <Keyboard (key input device)>
FIG. 1 is a schematic perspective view showing an example of the appearance of a keyboard KB to which the key input device disclosed in the present application is applied. In the keyboard KB, as a switch device, a plurality of key switches 1 such as character keys, numeric keys and other function keys are arranged side by side according to an arrangement such as a QWERTY arrangement. In the following description, it is assumed that the user uses the keyboard KB placed on the desk in a general posture, and the directions of the keyboard KB and the key switches 1 provided on the keyboard KB are defined from the user's point of view. . That is, in the present application, the front side (the lower left side in FIG. 1) is defined as the front side, and the direction in which the key switch 1 is pressed is defined as the bottom side.

次にキーボードＫＢに配設されたキースイッチ１について説明する。本願開示のキーボードＫＢが備えるキースイッチ１は、様々な形態として実現することが可能であり、ここでは、その一例として、第１実施形態及び第２実施形態を例示して説明する。 Next, the key switches 1 arranged on the keyboard KB will be described. The key switch 1 included in the keyboard KB disclosed in the present application can be realized in various forms, and here, as examples thereof, the first embodiment and the second embodiment will be described.

＜キースイッチ（スイッチ装置）＞
＜第１実施形態＞
＜構成例＞
キースイッチ１の構成例について説明する。図２及び図３は、本願開示のキースイッチ１の外観の一例を示す概略斜視図である。図２は、キースイッチ１を斜め上方からの視点で示しており、図３は、斜め下方からの視点で示している。キースイッチ１は、キーボードＫＢに内蔵される基板１０と、基板１０に固定される固定部材１１と、使用者の押下操作により下方へ押し込まれる上下に移動可能な可動部材１２とを備えている。可動部材１２の上面には、取り外し可能なキートップ１２０が取り付けられている。キートップ１２０が取り付けられた可動部材１２の上面は、平面視略正方形状をなしている。 <Key switch (switch device)>
<First Embodiment>
<Configuration example>
A configuration example of the key switch 1 will be described. 2 and 3 are schematic perspective views showing an example of the appearance of the key switch 1 disclosed in the present application. 2 shows the key switch 1 from an obliquely upward perspective, and FIG. 3 shows an obliquely downward perspective. The key switch 1 includes a substrate 10 built into the keyboard KB, a fixed member 11 fixed to the substrate 10, and a vertically movable movable member 12 that is pushed downward by a user's pressing operation. A detachable key top 120 is attached to the upper surface of the movable member 12 . The upper surface of the movable member 12 to which the key top 120 is attached has a substantially square shape in plan view.

基板１０は、下方側から配線及び電子回路が形成された回路層、基板１０に形成された配線及び電子回路を保護する保護層、及び上方からキーボードＫＢ内部が視認できないように覆うカバー層を重畳した三層構造となっている。基板１０には、略長方形状の嵌着口１００が開設されており、嵌着口１００には、固定部材１１の下部が嵌め込まれている。基板１０において、嵌着口１００の周囲は枠部１０１となっている。嵌着口１００に面した枠部１０１の一辺からは、嵌着口１００の内側へ向かって突出するように略長方形状をなす一対の取付片１０２が形成されている。一方の取付片１０２には、光を発するＬＥＤ（Light emitting diode：発光ダイオード）等の発光素子を用いた発光部１０３が取り付けられている。他方の取付片１０２には、光を検出するＰＤ（Photo Diode ：フォトダイ
オード）、ＰＴ（Photo Transistor：フォトトランジスタ）等の受光素子を用いた受光部１０４が取り付けられている。発光部１０３及び受光部１０４は向かい合うようにして取り付けられており、発光部１０３は、受光部１０４へ向けて光を発し、受光部１０４は、発光部１０３から発せられた光を受光する。枠部１０１において、取付片１０２が形成された辺に対して嵌着口１００を挟んで対向する辺の周縁の部位には、ＬＥＤ等の発光素子を用いた照明部１０５が取り付けられている。照明部１０５は、キースイッチ１及びその周辺を照明し、キーボードＫＢが光るように演出する。なお、キーボードＫＢ内において、基板１０はキースイッチ１毎に配設されていてもよく、複数のキースイッチ１で一枚の基板１０を共有するように形成してもよい。 The substrate 10 has a circuit layer on which wiring and electronic circuits are formed, a protective layer that protects the wiring and electronic circuits formed on the substrate 10, and a cover layer that covers the inside of the keyboard KB so that it cannot be seen from above. It has a three-layer structure. A substantially rectangular fitting opening 100 is formed in the substrate 10 , and the lower portion of the fixing member 11 is fitted into the fitting opening 100 . The substrate 10 has a frame portion 101 around the fitting opening 100 . A pair of substantially rectangular attachment pieces 102 are formed from one side of the frame portion 101 facing the fitting opening 100 so as to protrude toward the inside of the fitting opening 100 . A light-emitting portion 103 using a light-emitting element such as an LED (Light Emitting Diode) that emits light is attached to one attachment piece 102 . The other attachment piece 102 is attached with a light receiving portion 104 using a light receiving element such as a PD (Photo Diode) or a PT (Photo Transistor) for detecting light. The light-emitting portion 103 and the light-receiving portion 104 are attached to face each other. In the frame portion 101, an illumination portion 105 using a light-emitting element such as an LED is attached to a peripheral portion of a side of the frame portion 101 that faces the side on which the attachment piece 102 is formed with the fitting opening 100 interposed therebetween. The illumination unit 105 illuminates the key switch 1 and its surroundings to produce a lighting effect on the keyboard KB. In the keyboard KB, the substrate 10 may be provided for each key switch 1, or may be formed so that a plurality of key switches 1 share one substrate 10. FIG.

キースイッチ１の内部構造について説明する。図４及び図５は、本願開示のキースイッチ１の一例を示す概略斜視図である。図６は、本願開示のキースイッチ１の一例を示す概略断面図である。図７は、本願開示のキースイッチ１の一例を示す概略分解斜視図である。図４は、可動部材１２のキートップ１２０を除いた状態で示している。図５は、可動部材１２を除いた状態で示している。図６は、図４に示すＡ－Ｂ方向の断面を示している。図７は、可動部材１２のキートップ１２０を除いた状態で示している。 The internal structure of the key switch 1 will be described. 4 and 5 are schematic perspective views showing an example of the key switch 1 disclosed in the present application. FIG. 6 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 7 is a schematic exploded perspective view showing an example of the key switch 1 disclosed in the present application. FIG. 4 shows the movable member 12 with the key top 120 removed. FIG. 5 shows a state in which the movable member 12 is removed. FIG. 6 shows a cross section in the direction of AB shown in FIG. FIG. 7 shows the movable member 12 with the key top 120 removed.

キースイッチ１は、前述の基板１０、固定部材１１及び可動部材１２の他、衝打部材１３、付勢部材１４、案内部材１５、弾性部材１６、保持部材１７等の各種部材を備えている。 The key switch 1 includes various members such as the base plate 10, the fixed member 11 and the movable member 12 described above, as well as the striking member 13, the biasing member 14, the guide member 15, the elastic member 16, the holding member 17, and the like.

基板１０は、前述の様に回路層、保護層及びカバー層の三層構造となっている。基板１０は、嵌着口１００が開設されている。基板１０の嵌着口１００の周縁の枠部１０１には、一対の取付片１０２が形成されている。基板１０の取付片１０２には、図３にて示したように、発光部１０３及び受光部１０４が取り付けられており、取付片１０２に対向する枠部１０１には照明部１０５が取り付けられている。 The substrate 10 has a three-layer structure of a circuit layer, a protective layer and a cover layer as described above. A fitting opening 100 is formed in the substrate 10 . A pair of mounting pieces 102 are formed on a frame portion 101 around the fitting opening 100 of the substrate 10 . As shown in FIG. 3, a light emitting unit 103 and a light receiving unit 104 are attached to the attachment piece 102 of the substrate 10, and an illumination unit 105 is attached to the frame portion 101 facing the attachment piece 102. .

固定部材１１は、下部が基板１０の嵌着口１００に嵌め込まれた状態で基板１０上に固定されている。固定部材１１は、略直方体状の箱状をなし、上面及び一の側面が開放されている。固定部材１１の底面には、開放された側面側に連なる長方形状の切欠１１０が形成されている。基板１０に固定部材１１が嵌め込まれた場合に、基板１０に取り付けられた発光部１０３及び受光部１０４は、固定部材１１の切欠１１０内に配置される。基板１０の底面には、略円筒状の内壁１１１が形成されている。 The fixing member 11 is fixed on the substrate 10 with its lower portion fitted into the fitting opening 100 of the substrate 10 . The fixing member 11 has a substantially rectangular parallelepiped box shape, and has an open upper surface and one side surface. A rectangular notch 110 is formed on the bottom surface of the fixing member 11 so as to continue to the open side surface. When the fixing member 11 is fitted to the substrate 10 , the light emitting section 103 and the light receiving section 104 attached to the substrate 10 are arranged in the cutout 110 of the fixing member 11 . A substantially cylindrical inner wall 111 is formed on the bottom surface of the substrate 10 .

図８は、本願開示のキースイッチ１が備える可動部材１２及び衝打部材１３の一例を示す概略斜視図である。図９は、本願開示のキースイッチ１が備える可動部材１２及び衝打部材１３の一例を示す概略断面図である。図８は、可動部材１２及び可動部材１２に取り付けられた衝打部材１３を斜め下方からの視点で示している。図９は、図８に示すＣ－Ｄ方向の断面を示している。図４乃至図９を参照して可動部材１２について説明する。可動部材１２は、固定部材１１に移動可能に支持され、押下操作を受けて押下方向へ移動する部材である。可動部材１２は、平面視略長方形の板状をなし、４箇所の頂点近傍には、案内部材１５と係合して上下動を案内する案内片１２１が下方へ向けて延びるように形成されている。案内片１２１には、案内部材１５が係合する開口が形成されている。可動部材１２の下面の中央近傍からは、略円筒状をなす嵌合筒１２２が下方へ向けて延びるように形成されている。嵌合筒１２２の外径は、固定部材１１の内壁１１１の内径より若干短くなるように形成されているため、嵌合筒１２２は、固定部材１１の内側に上下移動可能に遊嵌する。可動部材１２は、案内片１２１及び案内片１２１が遊嵌する嵌合筒１２２に案内されて上下に移動する。可動部材１２の下面において、嵌合筒１２２の周囲には、長方形の板状の一対の支持片１２３が下方へ向けて延びるように形成されている。支持片１２３の下端には、鉤状に屈曲したかえし部１２３ａが形成されている。支持片１２３は、衝
打部材１３を上下に移動可能に支持している。可動部材１２の一辺の近傍には、長方形の板状をなす遮蔽板１２４（遮蔽部）が下方へ向けて延びるように形成されている。遮蔽板１２４は、面方向が近傍の辺と直交する向きに形成されている。遮蔽板１２４は、可動部材１２の上下動に伴って上下し、下方へ移動した場合に、基板１０に取り付けられた発光部１０３及び受光部１０４の間に入り、発光部１０３から発せられた光を遮蔽する。 FIG. 8 is a schematic perspective view showing an example of the movable member 12 and the striking member 13 included in the key switch 1 disclosed in the present application. FIG. 9 is a schematic cross-sectional view showing an example of the movable member 12 and the striking member 13 included in the key switch 1 disclosed in the present application. FIG. 8 shows the movable member 12 and the striking member 13 attached to the movable member 12 from an obliquely downward perspective. FIG. 9 shows a cross section in the CD direction shown in FIG. The movable member 12 will be described with reference to FIGS. 4 to 9. FIG. The movable member 12 is a member that is movably supported by the fixed member 11 and moves in the pressing direction upon receiving a pressing operation. The movable member 12 has a substantially rectangular plate shape in a plan view, and guide pieces 121 that engage with the guide member 15 to guide vertical movement are formed near four vertices so as to extend downward. there is The guide piece 121 is formed with an opening with which the guide member 15 is engaged. A substantially cylindrical fitting tube 122 extends downward from the vicinity of the center of the lower surface of the movable member 12 . Since the outer diameter of the fitting tube 122 is formed to be slightly shorter than the inner diameter of the inner wall 111 of the fixing member 11, the fitting tube 122 is loosely fitted inside the fixing member 11 so as to be vertically movable. The movable member 12 moves up and down while being guided by a guide piece 121 and a fitting cylinder 122 into which the guide piece 121 is loosely fitted. A pair of rectangular plate-shaped support pieces 123 are formed to extend downward around the fitting tube 122 on the lower surface of the movable member 12 . The lower end of the support piece 123 is formed with a barb portion 123a bent like a hook. The support piece 123 supports the striking member 13 so as to be vertically movable. A rectangular plate-shaped shielding plate 124 (shielding portion) is formed near one side of the movable member 12 so as to extend downward. The shielding plate 124 is formed so that the plane direction is perpendicular to the neighboring sides. The shielding plate 124 moves up and down with the vertical movement of the movable member 12, and when it moves downward, it enters between the light emitting unit 103 and the light receiving unit 104 attached to the substrate 10, and the light emitted from the light emitting unit 103 is blocked. shield the

図１０は、本願開示のキースイッチ１が備える衝打部材１３及び弾性部材１６の一例を示す概略斜視図である。図１０は、可動部材１２が押下されていない状態での衝打部材１３及び弾性部材１６を位置関係が理解し易いように斜視図として示している。図４乃至図１０を参照して衝打部材１３について説明する。衝打部材１３は、可動部材１２に対して相対的に上下方向（押下方向及び押下方向の反対方向）に移動可能となるように、可動部材１２に取り付けられている。衝打部材１３は、移動により、他の部材、本願で例示する形態では、可動部材１２の支持片１２３の下端に形成されたかえし部１２３ａを衝打する部材である。衝打部材１３は、平面視略長方形の枠状をなしており、長辺の中央近傍は、固定部材１１の内壁１１１及び内壁１１１を周回する付勢部材１４の外側に遊嵌するように外側へ円弧状に湾曲している。衝打部材１３の湾曲した一の長辺には、外側へ向けて突出する凸部として、弾性部材１６に係合する係合部１３０が形成されている。衝打部材１３は、短辺が可動部材１２の支持片１２３に外嵌し、支持片１２３により、可動部材１２に対して相対的に上下方向に移動可能に支持されている。衝打部材１３の移動方向の上限は、可動部材１２の底面に当接する位置であり、衝打部材１３の移動方向の下限は、支持片１２３下端のかえし部１２３ａに当接する位置である。図１０は、可動部材１２が押下されていない状態での衝打部材１３及び弾性部材１６の位置関係を示しており、図１０に示す状態から可動部材１２が下方へ移動すると、可動部材１２の係合部１３０が弾性部材１６に係合する。押下された可動部材１２が更に下方へ移動し、可動部材１２の移動に伴い衝打部材１３が下方へ移動して、弾性部材１６との係合が外れた場合に、衝打部材１３は、可動部材１２のかえし部１２３ａを衝打する。 FIG. 10 is a schematic perspective view showing an example of the striking member 13 and the elastic member 16 included in the key switch 1 disclosed in the present application. FIG. 10 shows a perspective view of the striking member 13 and the elastic member 16 in a state in which the movable member 12 is not pressed so that the positional relationship can be easily understood. The striking member 13 will be described with reference to FIGS. 4 to 10. FIG. The striking member 13 is attached to the movable member 12 so as to be movable relative to the movable member 12 in the vertical direction (the direction of pressing and the direction opposite to the direction of pressing). The striking member 13 is a member that, by movement, strikes another member, that is, a barb portion 123a formed at the lower end of a support piece 123 of the movable member 12 in the embodiment exemplified in this application. The striking member 13 has a substantially rectangular frame shape in plan view, and the vicinity of the center of the long side is outside so as to be loosely fitted to the outside of the inner wall 111 of the fixing member 11 and the biasing member 14 surrounding the inner wall 111 . It is curved in an arc. An engaging portion 130 that engages with the elastic member 16 is formed as a convex portion protruding outward on one curved long side of the striking member 13 . The striking member 13 is fitted on the support piece 123 of the movable member 12 at its short side, and is supported by the support piece 123 so as to be vertically movable relative to the movable member 12 . The upper limit of the moving direction of the striking member 13 is the position at which it contacts the bottom surface of the movable member 12 , and the lower limit of the moving direction of the striking member 13 is the position at which it contacts the barb portion 123 a of the lower end of the support piece 123 . FIG. 10 shows the positional relationship between the striking member 13 and the elastic member 16 when the movable member 12 is not pressed down. The engaging portion 130 engages the elastic member 16 . When the depressed movable member 12 moves further downward, and the striking member 13 moves downward along with the movement of the movable member 12 and disengages from the elastic member 16, the striking member 13 The barb portion 123a of the movable member 12 is struck.

図４乃至図７を参照して付勢部材１４について説明する。付勢部材１４は、圧縮コイルバネを用いて形成されている。付勢部材１４は、固定部材１１の内壁１１１及び可動部材１２の嵌合筒１２２を周回するように配置されており、下端が固定部材１１の内底面に固定され、上端で可動部材１２を上方（押下方向の反対方向）へ付勢する。 The biasing member 14 will be described with reference to FIGS. 4 to 7. FIG. The biasing member 14 is formed using a compression coil spring. The biasing member 14 is arranged so as to encircle the inner wall 111 of the fixed member 11 and the fitting tube 122 of the movable member 12 , the lower end is fixed to the inner bottom surface of the fixed member 11 , and the upper end pushes the movable member 12 upward. (opposite direction of pressing direction).

図４乃至図７を参照して案内部材１５について説明する。案内部材１５は、第１リンク部材１５ａ及び第２リンク部材１５ｂを組み合わせて形成されている。第１リンク部材１５ａは、第１端側に揺動軸を有する２本の腕部１５０を、第１端側の反対側となる第２端側に形成した連結部１５１で連結した略Ｕ字形状をなしている。第１リンク部材１５ａの第２端側には、可動部材１２の案内片１２１の開口に係合する係合突起１５２が形成されている。第１リンク部材１５ａの第２端側で、中央寄りの位置には、固定部材１１に係合する支点部１５３が形成されている。第１リンク部材１５ａは、支点部１５３で屈曲した略Ｌ字形状に形成されている。第２リンク部材１５ｂは、第１端側に揺動軸を有する２本の腕部１５０を、腕部１５０の中央近傍に形成した連結部１５１で連結した略Ｈ字形状をなしている。第２リンク部材１５ｂにおいて、第１端側の反対側となる第２端側には、可動部材１２の案内片１２１の開口に係合突起１５２が形成されている。第２リンク部材１５ｂの第２端側で、中央寄りの位置には、固定部材１１に係合する支点部１５３が形成されている。第２リンク部材１５ｂは、支点部１５３で屈曲した略Ｌ字形状に形成されている。案内部材１５は、第１リンク部材１５ａの揺動軸及び第２リンク部材１５ｂの揺動軸を組み合わせ、側面視略Ｗ字形状に形成した部材である。案内部材１５の支点部１５３は、固定部材１１に、水平方向に移動可能に係合しており、案内部材１５を形成する第１リンク部材１５ａの係合突起１５２及び第２リンク部材１５ｂの係合突起１５２は、可動部材１２の案内片１２１の開口に、水平方向に移動可能に係合している。案内部材１５は、
可動部材１２が上下に移動する際に、可動部材１２の上面が傾かないように案内する機能を有する。即ち、可動部材１２が下方へ移動すると、案内部材１５の係合突起１５２が可動部材１２の４箇所の頂点に形成された案内片１２１に係合して、案内部材１５のＷ字が略面対称な状態を維持しながら開くように第１リンク部材１５ａ及び第２リンク部材１５ｂが傾倒する。これにより、可動部材１２は、傾かずに下方へ移動する。また、可動部材１２が上方へ移動する場合も同様であり、可動部材１２は、案内部材１５に案内されて傾くことなく上方へ移動する。第２リンク部材１５ｂは、第２端側が発光部１０３及び受光部１０４が配置されている側に傾倒するが、連結部１５１が、第２端側ではなく中央近傍に形成されているため、傾倒した場合でも、発光部１０３及び受光部１０４と干渉することがない。 The guide member 15 will be described with reference to FIGS. 4 to 7. FIG. The guide member 15 is formed by combining a first link member 15a and a second link member 15b. The first link member 15a has a substantially U shape in which two arm portions 150 having a swing shaft on the first end side are connected by a connecting portion 151 formed on the second end side opposite to the first end side. It has a shape. An engagement projection 152 that engages with the opening of the guide piece 121 of the movable member 12 is formed on the second end side of the first link member 15a. A fulcrum portion 153 that engages with the fixing member 11 is formed at a position closer to the center on the second end side of the first link member 15a. The first link member 15 a is formed in a substantially L-shape bent at the fulcrum portion 153 . The second link member 15b has a substantially H shape in which two arm portions 150 having swing shafts on the first end side are connected by a connecting portion 151 formed near the center of the arm portions 150 . An engagement projection 152 is formed in the opening of the guide piece 121 of the movable member 12 on the second end side opposite to the first end side of the second link member 15b. A fulcrum portion 153 that engages with the fixing member 11 is formed at a position closer to the center on the second end side of the second link member 15b. The second link member 15 b is formed in a substantially L-shape bent at the fulcrum portion 153 . The guide member 15 is a member formed by combining the swing shaft of the first link member 15a and the swing shaft of the second link member 15b and formed into a substantially W shape in side view. The fulcrum portion 153 of the guide member 15 is engaged with the fixed member 11 so as to be movable in the horizontal direction, and the engagement projection 152 of the first link member 15a forming the guide member 15 and the second link member 15b are engaged. The mating projection 152 is engaged with the opening of the guide piece 121 of the movable member 12 so as to be movable in the horizontal direction. The guide member 15 is
It has a function of guiding the upper surface of the movable member 12 so that it does not tilt when the movable member 12 moves up and down. That is, when the movable member 12 moves downward, the engagement projections 152 of the guide member 15 engage with the guide pieces 121 formed at the four vertexes of the movable member 12, and the W-shape of the guide member 15 becomes substantially flat. The first link member 15a and the second link member 15b tilt so as to open while maintaining a symmetrical state. As a result, the movable member 12 moves downward without tilting. The same applies when the movable member 12 moves upward. The movable member 12 is guided by the guide member 15 and moves upward without tilting. The second link member 15b tilts toward the side where the light emitting unit 103 and the light receiving unit 104 are arranged at the second end side. Even if it does, it does not interfere with the light emitting unit 103 and the light receiving unit 104 .

図４乃至図７及び図１０を参照して弾性部材１６及び保持部材１７について説明する。弾性部材１６は、引張コイルバネ等の弾性体を用いて形成されている。弾性部材１６の両端は、保持部材１７に保持されている。保持部材１７は、弾性部材１６の両端を保持しながら、保持部材１７の螺旋の軸が水平方向となるように固定部材１１に固定されている。保持部材１７の中央近傍は、衝打部材１３の係合部１３０に係合される被係合部１６０として機能する。なお、弾性部材１６は、圧縮コイルバネ等のコイルバネを用いて形成することも可能である。 The elastic member 16 and the holding member 17 will be described with reference to FIGS. 4 to 7 and 10. FIG. The elastic member 16 is formed using an elastic body such as a tension coil spring. Both ends of the elastic member 16 are held by holding members 17 . The holding member 17 is fixed to the fixing member 11 while holding both ends of the elastic member 16 so that the spiral axis of the holding member 17 is horizontal. The vicinity of the center of the holding member 17 functions as an engaged portion 160 that engages with the engaging portion 130 of the striking member 13 . The elastic member 16 can also be formed using a coil spring such as a compression coil spring.

＜動作例＞
以上のように構成された本願開示のキースイッチ１の動作例について説明する。図１１は、本願開示のキースイッチ１の一例を示す概略断面図である。図１１は、キースイッチ１が押下操作を受けていない状態を、キートップ１２０を除いて示している。図１１に例示するように可動部材１２が押下操作を受けていない状態において、可動部材１２は、付勢部材１４に上方へ付勢されて移動範囲の上端に位置している。可動部材１２が上端に位置しているため、可動部材１２の下面に形成された遮蔽板１２４は、発光部１０３及び受光部１０４の上方に位置している。可動部材１２に取り付けられた衝打部材１３は、可動部材１２に対する移動範囲の下端に位置しているが、弾性部材１６の上方に位置しており、衝打部材１３の係合部１３０は弾性部材１６の被係合部１６０と係合していない。 <Operation example>
An operation example of the key switch 1 disclosed in the present application configured as described above will be described. FIG. 11 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 11 shows a state in which the key switch 1 is not pressed, with the key top 120 removed. As illustrated in FIG. 11 , in a state in which the movable member 12 is not pressed, the movable member 12 is biased upward by the biasing member 14 and positioned at the upper end of the movement range. Since the movable member 12 is positioned at the upper end, the shield plate 124 formed on the lower surface of the movable member 12 is positioned above the light emitting section 103 and the light receiving section 104 . The striking member 13 attached to the movable member 12 is positioned at the lower end of the range of movement with respect to the movable member 12, but is positioned above the elastic member 16, and the engaging portion 130 of the striking member 13 is elastic. It is not engaged with the engaged portion 160 of the member 16 .

図１２は、本願開示のキースイッチ１の一例を示す概略断面図である。図１２は、図１１に例示する状態から、可動部材１２が押下操作を受けて下方へ移動した状態を示している。押下操作を受けて可動部材１２は下方へ移動する。可動部材１２の下方への移動に伴い衝打部材１３は、下方へ移動する。衝打部材１３は、下方へ移動することにより、係合部１３０が、弾性部材１６の被係合部１６０に当接し、被係合部１６０と係合することにより、衝打部材１３の下方への移動が規制される。衝打部材１３は、下方への移動を規制されることにより、可動部材１２に対して相対的に上方へ移動する。移動を規制された衝打部材１３は、移動範囲の上限まで移動すると可動部材１２の下方への移動に伴い、下方へ移動するようになり、弾性部材１６の被係合部１６０に係合しながら弾性部材１６を押圧する。第１実施形態では、可動部材１２の移動に伴って、衝打部材１３の係合部１３０が弾性部材１６の被係合部１６０を押圧していく状態を、移動に伴って係合部１３０が被係合部１６０に係合するという。図１２は、衝打部材１３が、係合により、弾性部材１６の被係合部１６０を押圧している状態を示している。衝打部材１３は、弾性部材１６の被係合部１６０を、弾性部材１６の軸方向に直交する方向（図１２に向かって左方向）へ向けて押圧し、弾性部材１６は、押圧を受けて伸張する。 FIG. 12 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 12 shows a state in which the movable member 12 has received a pressing operation and moved downward from the state illustrated in FIG. 11 . In response to the pressing operation, the movable member 12 moves downward. As the movable member 12 moves downward, the striking member 13 moves downward. As the striking member 13 moves downward, the engaging portion 130 abuts against the engaged portion 160 of the elastic member 16, and by engaging with the engaged portion 160, the striking member 13 moves downward. movement is restricted. The striking member 13 moves upward relative to the movable member 12 by being restricted from moving downward. When the striking member 13 whose movement is restricted moves to the upper limit of its movement range, it moves downward as the movable member 12 moves downward, and engages with the engaged portion 160 of the elastic member 16 . while pressing the elastic member 16 . In the first embodiment, the engaging portion 130 of the striking member 13 presses the engaged portion 160 of the elastic member 16 as the movable member 12 moves. is said to be engaged with the engaged portion 160 . FIG. 12 shows a state in which the striking member 13 presses the engaged portion 160 of the elastic member 16 due to engagement. The striking member 13 presses the engaged portion 160 of the elastic member 16 in a direction orthogonal to the axial direction of the elastic member 16 (leftward in FIG. 12), and the elastic member 16 receives the pressing force. to decompress.

図１３は、本願開示のキースイッチ１の一例を示す概略断面図である。図１３は、図１２に例示する状態から、可動部材１２が更に押下操作を受けて、移動範囲の下限まで移動した状態を示している。図１２に例示するように、衝打部材１３が弾性部材１６に係合している状態から、可動部材１２が更に押下されると、可動部材１２に伴い移動する衝打部
材１３は、係合部１３０による弾性部材１６の被係合部１６０との係合が外れる。被係合部１６０との係合が外れた衝打部材１３は下方へ移動し、下端により、可動部材１２の支持片１２３の下端に形成されたかえし部１２３ａを衝打する。衝打部材１３が可動部材１２を衝打する際の音及び振動を、操作者は、クリック音及びクリック感として感得する。 FIG. 13 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 13 shows a state in which the movable member 12 is further pushed down from the state illustrated in FIG. 12 and moved to the lower limit of the movement range. As illustrated in FIG. 12, when the movable member 12 is further pushed down from the state where the striking member 13 is engaged with the elastic member 16, the striking member 13 moving with the movable member 12 is engaged. The engagement of the elastic member 16 by the portion 130 with the engaged portion 160 is released. The striking member 13 disengaged from the engaged portion 160 moves downward and strikes the barb portion 123a formed at the lower end of the support piece 123 of the movable member 12 with its lower end. The operator perceives the sound and vibration when the striking member 13 strikes the movable member 12 as a click sound and a click feeling.

図１３に例示する状態から、操作者が可動部材１２に対する押下を解除すると、可動部材１２は、付勢部材１４による上方への付勢力により、上方へ移動し、図１１に例示する状態に復帰する。 When the operator releases the pressing force on the movable member 12 from the state illustrated in FIG. 13 , the movable member 12 moves upward due to the upward biasing force of the biasing member 14 and returns to the state illustrated in FIG. 11 . do.

図１４は、本願開示のキースイッチ１の外観の一例を示す概略斜視図である。図１４は、キースイッチ１を斜め下方からの視点で示しており、前述の図１１に例示する状態に対応している。図１４は、キースイッチ１が押下操作を受けていない状態を示している。図１１を例示して説明したように、キースイッチ１が押下操作を受けていない状態において、可動部材１２の下面に形成された遮蔽板１２４は、発光部１０３及び受光部１０４の上方に位置している。このため、発光部１０３及び受光部１０４の間の光路は遮蔽されておらず、発光部１０３から発せられた光は受光部１０４にて検出される。 FIG. 14 is a schematic perspective view showing an example of the appearance of the key switch 1 disclosed in the present application. FIG. 14 shows the key switch 1 obliquely from below, and corresponds to the state illustrated in FIG. 11 described above. FIG. 14 shows a state in which the key switch 1 is not pressed. As described with reference to FIG. 11, the shielding plate 124 formed on the lower surface of the movable member 12 is positioned above the light emitting section 103 and the light receiving section 104 when the key switch 1 is not pressed. ing. Therefore, the optical path between the light emitting portion 103 and the light receiving portion 104 is not blocked, and the light emitted from the light emitting portion 103 is detected by the light receiving portion 104 .

図１５は、本願開示のキースイッチ１の外観の一例を示す概略斜視図である。図１５は、図１４に例示する状態から、可動部材１２が押下操作を受けて、移動範囲の下限まで移動した状態を示しており、図１３に例示する状態に対応している。可動部材１２が移動範囲の下限まで移動することにより、可動部材１２の下面に形成された遮蔽板１２４は、発光部１０３及び受光部１０４の間に進入する。このため、発光部１０３から発せられた光は、遮蔽板１２４により遮蔽され、受光部１０４まで到達しない。 FIG. 15 is a schematic perspective view showing an example of the appearance of the key switch 1 disclosed in the present application. FIG. 15 shows a state in which the movable member 12 receives a pressing operation from the state illustrated in FIG. 14 and moves to the lower limit of the movement range, and corresponds to the state illustrated in FIG. 13 . By moving the movable member 12 to the lower limit of the movement range, the shielding plate 124 formed on the lower surface of the movable member 12 enters between the light emitting section 103 and the light receiving section 104 . Therefore, the light emitted from the light emitting section 103 is blocked by the shielding plate 124 and does not reach the light receiving section 104 .

図１５に例示する状態から、操作者が可動部材１２に対する押下を解除すると、可動部材１２は、付勢部材１４による上方への付勢力により、上方へ移動し、遮蔽板１２４による光の遮蔽は解除され、図１４に例示する状態に復帰する。 When the operator releases the pressing force on the movable member 12 from the state illustrated in FIG. It is released and returns to the state illustrated in FIG.

キーボードＫＢの操作として、使用者がキースイッチ１の可動部材１２に触れ、可動部材１２を押下する押下操作をすることにより、可動部材１２に形成された遮蔽板１２４が発光部１０３から発せられた光を遮蔽する。発光部１０３から受光部１０４への光路を遮蔽板１２４が遮蔽することにより、電気回路の接離状態が切り替わり、接離状態の切り替わりを検出したキーボードＫＢから、接続されているパーソナルコンピュータ等の電子機器へキースイッチ１毎のオン信号が出力される。また、操作者が、可動部材１２の押下を解除することにより、発光部１０３から発せられた光の遮蔽が解除され、発光部１０３から発せられた光を受光部１０４が検出する。発光部１０３から受光部１０４への光路の遮蔽を解除することにより、電気回路の接離状態も元の状態に復帰する。 As an operation of the keyboard KB, the user touches the movable member 12 of the key switch 1 and presses down the movable member 12, whereby the shielding plate 124 formed on the movable member 12 is emitted from the light emitting section 103. Block out light. The shielding plate 124 shields the optical path from the light emitting unit 103 to the light receiving unit 104, thereby switching the contact/separation state of the electric circuit, and the keyboard KB that detects the switch of the contact/separation state detects an electronic device such as a personal computer connected thereto. An ON signal for each key switch 1 is output to the device. When the operator releases the pressing of the movable member 12 , the shielding of the light emitted from the light emitting unit 103 is released and the light emitted from the light emitting unit 103 is detected by the light receiving unit 104 . By releasing the shielding of the optical path from the light emitting unit 103 to the light receiving unit 104, the connection/disconnection state of the electric circuit is restored to its original state.

＜第２実施形態＞
第２実施形態は、第１実施形態において、弾性部材１６及び保持部材１７を用いず、衝打部材１３が付勢部材１４と係合するように形成した形態である。第２実施形態において、第１実施形態と同様の部材については、第１実施形態と同様の符号を付し、第１実施形態を参照するものとして、詳細な説明を省略する。 <Second embodiment>
The second embodiment is a form in which the elastic member 16 and the holding member 17 are not used in the first embodiment, and the striking member 13 is formed so as to be engaged with the biasing member 14 . In the second embodiment, members similar to those of the first embodiment are denoted by the same reference numerals as those of the first embodiment, and detailed description thereof will be omitted by referring to the first embodiment.

＜構成例＞
第２実施形態に係るキースイッチ１の外観は、第１実施形態と略同様であるので、第１実施形態を参照するものとし、説明を省略する。 <Configuration example>
Since the appearance of the key switch 1 according to the second embodiment is substantially the same as that of the first embodiment, the first embodiment shall be referred to and the description thereof will be omitted.

キースイッチ１の内部構造について説明する。図１６は、本願開示のキースイッチ１の一例を示す概略分解斜視図である。図１６は、可動部材１２のキートップ１２０を除いた
状態で示している。キースイッチ１は、基板１０、固定部材１１、可動部材１２、衝打部材１３、付勢部材１４、案内部材１５等の各種部材を備えている。第２実施形態に係る基板１０、固定部材１１、可動部材１２及び案内部材１５の形状及び機能は、第１実施形態と略同様である。 The internal structure of the key switch 1 will be described. FIG. 16 is a schematic exploded perspective view showing an example of the key switch 1 disclosed in the present application. FIG. 16 shows the movable member 12 with the key top 120 removed. The key switch 1 includes various members such as a substrate 10, a fixed member 11, a movable member 12, a striking member 13, an urging member 14, a guide member 15, and the like. The shapes and functions of the substrate 10, fixed member 11, movable member 12 and guide member 15 according to the second embodiment are substantially the same as those of the first embodiment.

図１７は、本願開示のキースイッチ１が備える衝打部材１３及び付勢部材１４の一例を示す概略斜視図である。図１７は、可動部材１２が押下されていない状態での衝打部材１３及び付勢部材１４を位置関係が理解し易いように斜視図として示している。図１６及び図１７を参照して衝打部材１３及び付勢部材１４について説明する。衝打部材１３は、平面視長方形の枠状をなしており、長辺の中央近傍は、固定部材１１の内壁１１１及び内壁１１１を周回する付勢部材１４の外側に遊嵌するように外側へ円弧状に湾曲している。衝打部材１３の湾曲した一の長辺には、外側へ向けて突出する凸部として、付勢部材１４に係合する係合部１３０が形成されている。 FIG. 17 is a schematic perspective view showing an example of the striking member 13 and the biasing member 14 included in the key switch 1 disclosed in the present application. FIG. 17 shows a perspective view of the striking member 13 and the biasing member 14 in a state in which the movable member 12 is not pushed down so that the positional relationship can be easily understood. The striking member 13 and the biasing member 14 will be described with reference to FIGS. 16 and 17. FIG. The striking member 13 has a rectangular frame shape in a plan view, and the vicinity of the center of the long side extends outward so as to loosely fit the inner wall 111 of the fixing member 11 and the outside of the biasing member 14 surrounding the inner wall 111 . curved in an arc. An engaging portion 130 that engages with the biasing member 14 is formed as a convex portion projecting outward from one curved long side of the striking member 13 .

第２実施形態に係る付勢部材１４は、圧縮コイルバネを用いて形成されている。付勢部材１４の下端は、固定部材１１の内底面に固定され、上端で可動部材１２を上方へ付勢する。付勢部材１４として用いられる圧縮コイルバネのコイルの下側の端部は、衝打部材１３の係合部１３０側へ直線状に延伸されており、係合部１３０に係合する位置で二段階に屈曲し、係合部１３０に係合される被係合部１４０が形成されている。 The biasing member 14 according to the second embodiment is formed using a compression coil spring. The lower end of the biasing member 14 is fixed to the inner bottom surface of the fixed member 11, and the upper end biases the movable member 12 upward. The lower end of the coil of the compression coil spring used as the urging member 14 is linearly extended toward the engaging portion 130 side of the striking member 13, and is engaged with the engaging portion 130 in two stages. and an engaged portion 140 that is engaged with the engaging portion 130 is formed.

＜動作例＞
以上のように構成された本願開示のキースイッチ１の動作例について説明する。図１８は、本願開示のキースイッチ１の一例を示す概略断面図である。図１８は、キースイッチ１が押下されていない状態を、キートップ１２０を除いて示している。図１８に例示するように可動部材１２が押下操作を受けていない状態において、可動部材１２は、付勢部材１４に上方へ付勢されて移動範囲の上端に位置している。可動部材１２に取り付けられた衝打部材１３は、可動部材１２に対して移動範囲の下端に位置している。 <Operation example>
An operation example of the key switch 1 disclosed in the present application configured as described above will be described. FIG. 18 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 18 shows a state in which the key switch 1 is not pressed down, with the key top 120 removed. As illustrated in FIG. 18 , in a state in which the movable member 12 is not pressed, the movable member 12 is biased upward by the biasing member 14 and positioned at the upper end of the movement range. A striking member 13 attached to the movable member 12 is positioned at the lower end of the range of movement with respect to the movable member 12 .

図１９は、本願開示のキースイッチ１の一例を示す概略断面図である。図１９は、図１８に例示する状態から、可動部材１２が押下操作を受けて下方へ移動した状態を示している。押下操作を受けた可動部材１２の下方への移動に伴い、衝打部材１３は、下方へ移動する。衝打部材１３は、下方へ移動することにより、係合部１３０が、付勢部材１４の被係合部１４０に係合し、被係合部１４０と係合することにより、衝打部材１３の下方への移動が規制される。衝打部材１３は、下方への移動を規制されることにより、可動部材１２に対して相対的に上方へ移動する。移動を規制された衝打部材１３は、移動範囲の上限まで移動すると可動部材１２の下方への移動に伴い、下方へ移動するようになり、付勢部材１４の被係合部１４０に係合しながら付勢部材１４を押圧する。第２実施形態では、可動部材１２の移動に伴って、衝打部材１３の係合部１３０が付勢部材１４の被係合部１４０を押圧していく状態を、移動に伴って係合部１３０が被係合部１４０に係合するという。図１９は、衝打部材１３が、係合により、付勢部材１４の被係合部１４０を押圧している状態を示している。衝打部材１３は、付勢部材１４の被係合部１４０を押圧し、付勢部材１４は、押圧を受けて被係合部１４０が押圧方向（図１９に向かって左方向）へ押し出される。 FIG. 19 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 19 shows a state in which the movable member 12 has received a pressing operation and moved downward from the state illustrated in FIG. The striking member 13 moves downward as the movable member 12 moves downward in response to the pressing operation. By moving the striking member 13 downward, the engaging portion 130 engages with the engaged portion 140 of the biasing member 14, and by engaging with the engaged portion 140, the striking member 13 moves downward. downward movement is restricted. The striking member 13 moves upward relative to the movable member 12 by being restricted from moving downward. When the striking member 13 whose movement is restricted moves to the upper limit of the movement range, it moves downward as the movable member 12 moves downward, and engages with the engaged portion 140 of the urging member 14. while pressing the biasing member 14 . In the second embodiment, the engaging portion 130 of the striking member 13 presses the engaged portion 140 of the urging member 14 as the movable member 12 moves. 130 is said to be engaged with the engaged portion 140 . FIG. 19 shows a state in which the striking member 13 presses the engaged portion 140 of the urging member 14 due to engagement. The striking member 13 presses the engaged portion 140 of the urging member 14, and the urging member 14 receives the press and the engaged portion 140 is pushed out in the pressing direction (leftward in FIG. 19). .

図２０は、本願開示のキースイッチ１の一例を示す概略断面図である。図２０は、図１９に例示する状態から、可動部材１２が更に押下操作を受けて、移動範囲の下限まで移動した状態を示している。図２０に例示するように、衝打部材１３が付勢部材１４に係合している状態から、可動部材１２が更に押下されると、可動部材１２に伴い移動する衝打部材１３は、係合部１３０による付勢部材１４の被係合部１４０との係合が外れる。被係合部１４０との係合が外れた衝打部材１３は下方へ移動し、下端により、可動部材１２の支
持片１２３の下端に形成されたかえし部１２３ａを衝打する。衝打部材１３が可動部材１２を衝打する際の音及び振動を、操作者は、クリック音及びクリック感として感得する。 FIG. 20 is a schematic cross-sectional view showing an example of the key switch 1 disclosed in the present application. FIG. 20 shows a state in which the movable member 12 is further pushed down from the state illustrated in FIG. 19 and moved to the lower limit of the movement range. As illustrated in FIG. 20, when the movable member 12 is further pushed down from the state in which the striking member 13 is engaged with the biasing member 14, the striking member 13 moving along with the movable member 12 is not engaged. The engaging portion 140 of the urging member 14 by the joining portion 130 is disengaged. The striking member 13 disengaged from the engaged portion 140 moves downward and strikes the barb portion 123a formed at the lower end of the support piece 123 of the movable member 12 with its lower end. The operator perceives the sound and vibration when the striking member 13 strikes the movable member 12 as a click sound and a click feeling.

図２０に例示する状態から、操作者が可動部材１２に対する押下を解除すると、可動部材１２は、付勢部材１４による上方への付勢力により、上方へ移動し、図１８に例示する状態に復帰する。 When the operator releases the pressing force on the movable member 12 from the state illustrated in FIG. 20 , the movable member 12 moves upward due to the upward biasing force of the biasing member 14 and returns to the state illustrated in FIG. 18 . do.

以上のように、本願開示のキースイッチ１（スイッチ装置）及びキーボードＫＢ（キー入力装置）は、可動部材１２に対して上下方向に移動可能に取り付けられた衝打部材１３を備え、操作者から押下操作を受けた場合に、衝打部材１３が他の部材、例えば、可動部材１２を衝打する。衝打部材１３が他の部材を衝打した際に生じる音及び振動を、操作者は所謂クリック音及びクリック感として感得する。これにより、操作者は、押下に伴う操作感、操作音等に関する要求を満たすことが可能となる等、優れた効果を奏する。特に、本願開示のキースイッチ１及びキーボードＫＢは、薄型のキースイッチ１に適用した場合であっても、十分なクリック音及びクリック感を発生させることが可能である。 As described above, the key switch 1 (switch device) and the keyboard KB (key input device) disclosed in the present application include the striking member 13 attached to the movable member 12 so as to be vertically movable. When the pressing operation is received, the impacting member 13 impacts another member such as the movable member 12 . The operator perceives the sound and vibration generated when the striking member 13 strikes another member as a so-called click sound and click feeling. As a result, it is possible for the operator to satisfy the demands regarding the operation feeling, the operation sound, and the like associated with the depression, which is an excellent effect. In particular, the key switch 1 and keyboard KB disclosed in the present application can generate a sufficient click sound and click feeling even when applied to the thin key switch 1 .

本発明は、以上説明した実施形態に限定されるものではなく、他の様々な形態で実施することが可能である。そのため、上述した実施形態はあらゆる点で単なる例示に過ぎず、限定的に解釈してはならない。本発明の技術範囲は、請求の範囲によって説明するものであって、明細書本文には何ら拘束されない。更に、請求の範囲の均等範囲に属する変形及び変更は、全て本発明の範囲内のものである。 The present invention is not limited to the embodiments described above, and can be implemented in various other forms. Therefore, the above-described embodiments are merely examples in all respects, and should not be construed in a restrictive manner. The technical scope of the present invention is described by the claims and is not restricted by the text of the specification. Furthermore, all modifications and changes that fall within the equivalent scope of claims are within the scope of the present invention.

例えば、前記実施形態では、衝打部材１３が他の部材として、固定部材１１の内底面を衝打する形態を示したが、実施形態はこれに限らず、衝打部材１３が衝打する他の部材は、可動部材１２のかえし部１２３ａ以外の箇所又は部材であってもよい。例えば、衝打部材１３が、他の部材として、固定部材１１の内底面を衝打するように構成する等、様々な形態に展開することが可能である。 For example, in the above embodiment, the striking member 13 hits the inner bottom surface of the fixed member 11 as another member, but the embodiment is not limited to this, and the striking member 13 hits other members. The member may be a portion or member other than the barb portion 123a of the movable member 12. As shown in FIG. For example, the striking member 13 can be developed in various forms, such as being configured to strike the inner bottom surface of the fixed member 11 as another member.

また、前記実施形態では、キーボードＫＢ等の主として文字を入力するキー入力装置に適用する形態を示したが、実施形態はこれに限るものではない。例えば、本願開示のキースイッチ１を搭載したノートＰＣとして、キー入力装置を実現することも可能である。更には、テンキー等の数字キー専用のキー入力装置、その他、コンピュータ以外の電子機器、例えば、ゲーム専用機に対して用いられる各種スイッチ等の様々なキー入力装置に適用することが可能である。 Further, in the above-described embodiment, a form applied to a key input device for mainly inputting characters such as a keyboard KB was shown, but the embodiment is not limited to this. For example, it is possible to implement a key input device as a notebook PC equipped with the key switch 1 disclosed in the present application. Furthermore, it can be applied to a key input device dedicated to numeric keys such as a numeric keypad, and various key input devices such as various switches used for electronic devices other than computers, for example, dedicated game machines.

ＫＢ キーボード（キー入力装置）
１ キースイッチ（スイッチ装置）
１０ 基板
１０３ 発光部
１０４ 受光部
１１ 固定部材
１２ 可動部材
１２４ 遮蔽板（遮蔽部）
１３ 衝打部材
１３０ 係合部
１４ 付勢部材
１４０ 被係合部
１５ 案内部材
１６ 弾性部材
１６０ 被係合部
１７ 保持部材 KB keyboard (key input device)
1 key switch (switch device)
10 Substrate 103 Light Emitting Part 104 Light Receiving Part 11 Fixed Member 12 Movable Member 124 Shielding Plate (Shielding Part)
13 Striking member 130 Engaging part 14 Biasing member 140 Engaged part 15 Guide member 16 Elastic member 160 Engaged part 17 Holding member

Claims (7)

基板に固定可能な固定部材と、前記固定部材に移動可能に支持され、押下操作により押下方向へ移動する可動部材と、前記可動部材を押下方向の反対方向へ付勢する付勢部材とを備えるスイッチ装置であって、
前記可動部材に対して押下方向及び押下方向の反対方向へ移動可能となるように、前記可動部材に取り付けられ、他の部材を衝打する衝打部材と、
前記固定部材に固定された弾性部材と
を備え、
前記弾性部材は、前記衝打部材から係合される被係合部を有し、
前記衝打部材は、前記被係合部と係合する係合部を有し、
前記衝打部材は、前記可動部材の押下方向への移動に伴って前記係合部が前記被係合部に係合し、前記可動部材の更なる押下方向への移動に伴って前記係合部による前記被係合部との係合が外れた場合に、他の部材を衝打する
ことを特徴とするスイッチ装置。 A fixed member that can be fixed to a substrate, a movable member that is movably supported by the fixed member and moves in a depression direction by a depression operation, and a biasing member that biases the movable member in a direction opposite to the depression direction. A switch device,
a striking member attached to the movable member so as to be movable in the pressing direction and the direction opposite to the pressing direction with respect to the movable member, and configured to strike another member;
and an elastic member fixed to the fixing member,
The elastic member has an engaged portion that is engaged by the striking member,
The striking member has an engaging portion that engages with the engaged portion,
In the impact member, the engaging portion engages the engaged portion as the movable member moves in the downward direction, and the engaging portion engages as the movable member moves further in the downward direction. A switch device that strikes another member when the engagement between the portion and the engaged portion is disengaged. 請求項１に記載のスイッチ装置であって、
前記弾性部材は、コイルバネを用いて構成されており、
前記衝打部材が有する前記係合部は、前記弾性部材を押圧する凸部として構成されており、
前記衝打部材は、係合により、前記係合部が前記弾性部材であるコイルバネを押圧して伸長させる
ことを特徴とするスイッチ装置。 The switch device according to claim 1,
The elastic member is configured using a coil spring,
The engaging portion of the striking member is configured as a convex portion that presses the elastic member,
The switch device according to claim 1, wherein the striking member presses and extends the coil spring, which is the elastic member, by the engagement portion of the engaging portion. 基板に固定可能な固定部材と、前記固定部材に移動可能に支持され、押下操作により押下方向へ移動する可動部材と、前記可動部材を押下方向の反対方向へ付勢する付勢部材とを備えるスイッチ装置であって、
前記可動部材に対して押下方向及び押下方向の反対方向へ移動可能となるように、前記可動部材に取り付けられ、他の部材を衝打する衝打部材を備え、
前記付勢部材は、前記衝打部材から係合される被係合部を有し、
前記衝打部材は、前記被係合部と係合する係合部を有し、
前記衝打部材は、前記可動部材の押下方向への移動に伴って前記係合部が前記被係合部に係合し、前記可動部材の更なる押下方向への移動に伴って前記係合部による前記被係合部との係合が外れた場合に、他の部材を衝打する
ことを特徴とするスイッチ装置。 A fixed member that can be fixed to a substrate, a movable member that is movably supported by the fixed member and moves in a depression direction by a depression operation, and a biasing member that biases the movable member in a direction opposite to the depression direction. A switch device,
An impacting member attached to the movable member so as to be movable in a pressing direction and a direction opposite to the pressing direction with respect to the movable member, and configured to impact another member;
The biasing member has an engaged portion that is engaged by the striking member,
The striking member has an engaging portion that engages with the engaged portion,
In the impact member, the engaging portion engages the engaged portion as the movable member moves in the downward direction, and the engaging portion engages as the movable member moves further in the downward direction. A switch device that strikes another member when the engagement between the portion and the engaged portion is disengaged. 請求項３に記載のスイッチ装置であって、
前記付勢部材は、圧縮コイルバネを用いて構成されており、
前記被係合部は、圧縮コイルバネを構成するコイルの一端を延伸して形成されている
ことを特徴とするスイッチ装置。 The switch device according to claim 3,
The biasing member is configured using a compression coil spring,
The switch device, wherein the engaged portion is formed by extending one end of a coil that constitutes a compression coil spring. 請求項１乃至請求項４のいずれか１項に記載のスイッチ装置であって、
前記衝打部材は、前記係合部が前記被係合部と係合することにより前記固定部材に対する移動が規制される
ことを特徴とするスイッチ装置。 The switch device according to any one of claims 1 to 4,
A switch device, wherein the striking member is restricted from moving with respect to the fixed member by engaging the engaging portion with the engaged portion. 複数のキースイッチが配設されたキー入力装置であって、
配設されたキースイッチとして、請求項１乃至請求項５のいずれか１項に記載のスイッチ装置を備える
ことを特徴とするキー入力装置。 A key input device having a plurality of key switches,
A key input device comprising the switch device according to any one of claims 1 to 5 as a key switch. 請求項６に記載のキー入力装置であって、
光を発する発光部と、
前記発光部から発せられた光を受光する受光部と、
前記キー入力装置が備える可動部材に取り付けられ、前記発光部から発せられた光を遮蔽する遮蔽部と
を備え、
前記遮蔽部は、前記可動部材の押下方向への移動に伴って、前記発光部から発せられた光に対する遮蔽又は遮蔽の解除を行う
ことを特徴とするキー入力装置。 The key input device according to claim 6,
a light emitting unit that emits light;
a light receiving unit that receives light emitted from the light emitting unit;
a shielding part attached to a movable member included in the key input device and shielding light emitted from the light emitting part;
The key input device, wherein the shielding section shields or releases the shielding of the light emitted from the light emitting section as the movable member moves in the pressing direction.
JP2021102984A 2021-06-22 2021-06-22 Switch device and key input device Pending JP2023002012A (en)

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