^01442 25195pif 九、發明說明： 【發明所屬之技術領域】 ^明是關於一種在資訊處理機器、測定裝 j中的作為輸人裝置所使用的鍵盤裝置，二商療 盤裝置中所利用的鍵開關結構。 及在該鍵 【先前技術j 爾性。因此，在習知的鍵開關結 構之鍵開關結構，在例如日本專利===連桿機 229764號公報中有所揭*。 開之特開2001- 鍵不為上述文獻所揭示之具有連桿機構的習知的 =關、;構。在圖6中’習知的鍵開關!〇的構二： 頂11，第1連稈構件12，其可旋韓地外 ’ 連桿構件13,其可滑動地設置於鍵頂[_頂11 ; = 2 構件)14，其因按下鍵頂η 桿構件12、第2連桿構件υ ,·薄膜片 16,其在橡膠圈頂14 福片 其固定有支擇器15。而且:用有/】=，後面板17， 連桿構㈣而構成連桿機構侧1連罐12和第2 ^Ζ7ΊΜ11 , 第2連;f干構件13所構成的連桿 7 1361442 25l95pif 機構，使鍵頂11維持水平狀態並下降。例如，在圖午 开>符號所示的鍵頂II末端的位置被按下時，首先3第| 連桿構件12的右末端下降。第〗連桿構件12的左2端 左側進行移動。藉此，使第1連桿構件12的中央邱下。 且在中央部與第〗連桿構件12連結的第2連桿構°件Η ’ 下降。由於第2連桿構件13的下降，使鍵頂η的左^ 也下降。這樣，即使按下鍵頂U的末端，鍵頂η也β 持水平狀態而下降，從而不會因按下位置而產 = 差異，亦即，可確保操作性。 ’'乍感的 在習知的鍵盤裝置中，開發有一種為了在操 鍵盤時誤將液體灑在鍵盤上的情況所準備的， = 的裝置’例如’在日本專利早期公開之賴聰〜31_ 號公報中所揭示的裝置。該文獻中所揭示的鍵盤 由設置使鍵_按下時的空氣進人的袋狀構件，而' = 基部之間密閉，防止水從薄膜片和鍵盤基： 除此之外’還有-種例如日本專利早期 2-2刪號公報所揭示的具有防水性的鍵之^ =中所揭㈣鍵雜置伙_的上面敍2 = 片的空隙贼置_狀構件所構錢遮蔽構件。1 防止水滴流入到薄膜片的接點部中。 了 υ日本專利早期公開之特開2〇〇ι — 〔專利文獻2〕日本專利早期公開之特開她— 1361442 25195pif 316694號公報 216』=獻3〕日本專利早期公開之特開·2- “二換結構 橡膠彈簧外_連椁機構或切器機=艺=文置在 的旋=點部或滑動部經過-段時機構 在上述專利文獻3所揭示的鍵盤裝置中雖秋不 樣的問題，但如專利文獻3 …、s產生 在鍵頂上面的遮蔽構件蓋 操作者的”不停地與鍵頂上 面的遮献構件碰撞’所以使遮蔽構件容易破損 為在鍵頂的上面設置有遮蔽構 ，因 存在外觀差的問題。 口作為裝置而S，還 【發明内容】 為了解決上述課題，本㈣提供—種按下 開關結構，其特徵在於，設置有:可動板ί 與則述鍵下部結合，並與該鍵頂—起上下動作^ 彈性構件，其設置在前述咖和前述可動板之間。 而且’關於本發明的鍵盤裝置為一種具有多個 ===該鍵開關是藉由按下鍵頂而使接點接觸:該 鍵i裝置的特徵在於設置有可動板和片狀彈性構件，且前 9 25195pif ，片狀彈性構件在键_和鍵·之間具麵曲 中，可動板是與鍵頂的下部結合並與該鍵頂 動 作，片狀彈性構件是設置在各鍵頂和各可動板之 月狀發明，則Γ在鍵頂和可動板之間二置的 片狀彈性構件，對接點部，對連桿機構也可得到防水性， :二由於片狀彈性構件位於鍵頂上面的下側，所以既不 會使按下觸感下降，也不會使片狀彈性構 【實施方式】 胃 以下，根據圖式對本發明的實施形態進行說明。對各 圖=的相同的要素附以相同的符號。圖i所示為本發明 勺貝施形態之鍵開關結構的分解立體圖， 形態的鍵開關結構的剖面圖。在圖卜所 件則2連桿構件113、橡膠圈頂114、 =在橡膠圈頂114的正下方具有接點部的薄膜 片1=、故置在薄膜片116的下部的後吨117而構成。 111的背面’於中央部以向下方延伸的形態而 形成0柱狀的嵌合部llla，且在嵌合部llla的外周上， 如=所示形成有礙合溝lllaa。在嵌合部⑴a的外側， 曲狀的環形突起⑽。環形突起mb的 尚度較嵌合部Ilia低。 可大_成矩形，並在巾㈣形成嵌合孔 πΓ曰Λ孔_的内周部’如圖2所示，形成邊緣部 aa猎使該邊緣部118aa嵌入到上述的鍵頂111的 25l95pif 可動ί ^，而使鍵頂⑴和可動板118相結合。在 ^ 8a的背面’設置有旋轉切部和滑動支樓 件如’其中’旋轉支撐部_可旋轉地對第i連桿構 水平2的一端進行支撐’滑動支撐部丨丨仏可旋轉地且沿著 7平方向可移動地對第2連桿構件1U的一端進行支撐。^01442 25195pif IX. Description of the Invention: [Technical Fields of the Invention] The present invention relates to a keyboard device used as an input device in an information processing machine and a measuring device j, and a key used in a second medical device device Switch structure. And in the key [previous technology j. Therefore, the key switch structure of the conventional key switch structure is disclosed in, for example, Japanese Patent Laid-Open No. 229764. The open-open 2001-key is not a conventional one with a link mechanism as disclosed in the above document. In Fig. 6, the conventional key switch! 〇 2: top 11, the first stalk member 12, which can be rotated outside the 'link member 13, which is slidably disposed on the top of the key [_ top 11 ; = 2 member) 14, which is pressed by the key top η bar member 12, the second link member υ, and the film sheet 16, which is fixed to the rubber ring top 14 with the adjuster 15. Moreover, the link mechanism 1 1361442 25l95pif mechanism constituted by the link member side 1 can 12 and the 2nd Ζ 7ΊΜ11, the second link; and the f dry member 13 are formed by the /]=, the rear panel 17, and the link structure (4). The key top 11 is maintained in a horizontal state and lowered. For example, when the position of the end of the key top II indicated by the symbol > symbol is pressed, the right end of the 3rd | link member 12 is first lowered. The left side of the second link member 12 is moved to the left side. Thereby, the center of the first link member 12 is lowered. Further, the second link member Η ' connected to the second link member 12 at the center portion is lowered. Due to the lowering of the second link member 13, the left side of the key top η is also lowered. Thus, even if the end of the key top U is pressed, the key top η is lowered in a horizontal state, so that the difference is not caused by the pressed position, that is, the operability can be ensured. In the conventional keyboard device, there is developed a device for erroneously spraying liquid on the keyboard during keyboard operation, and the device of the device is, for example, disclosed in the Japanese patent earlier. The device disclosed in the bulletin. The keyboard disclosed in this document consists of a bag-like member that sets the air when the key _ is pressed, and ' = the base is sealed to prevent water from the film and the keyboard base: For example, in the water-repellent key disclosed in Japanese Patent Laid-Open No. 2-2, the above-mentioned (4) key miscellaneous _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 1 Prevent water droplets from flowing into the contact portion of the film sheet.特 υ υ υ υ υ υ υ υ υ υ υ υ υ υ υ υ υ υ υ — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — In the keyboard device disclosed in the above Patent Document 3, the problem is not the case in the keyboard device disclosed in the above Patent Document 3, However, as in the patent documents 3, s, the operator of the shielding member cover that is placed on the top of the key "continues to collide with the occluding member on the top of the key top", so that the shielding member is easily broken to provide a shielding structure on the top of the key top. Because of the poor appearance. The mouth is used as a device, and S is also a subject of the present invention. In order to solve the above problems, the present invention provides a push switch structure, characterized in that: a movable plate ί is combined with a lower portion of the key, and the top of the key is attached Up and down action ^ An elastic member disposed between the aforementioned coffee and the movable plate. Moreover, 'the keyboard device according to the present invention is a type having a plurality of === the key switch is made to contact the contact by pressing the key top: the key i device is characterized in that a movable plate and a sheet-like elastic member are provided, and The first 9 25195pif, the sheet-like elastic member has a surface curve between the key _ and the key, the movable plate is combined with the lower portion of the key top and acts with the key top, and the sheet-like elastic member is disposed at each of the key tops and each movable In the case of the moon-shaped plate, the sheet-like elastic member disposed between the key top and the movable plate, the joint portion, and the link mechanism can also be waterproofed: 2, because the sheet-like elastic member is located above the key top Since the lower side is not lowered, the touch feeling is not lowered, and the sheet-like elastic structure is not formed. [Embodiment] Hereinafter, an embodiment of the present invention will be described based on the drawings. The same elements are attached to the same elements of the drawings. Figure i is an exploded perspective view showing the key switch structure of the present invention in the form of a spoon, and a sectional view of the key switch structure of the form. In the case of the drawing, the two link members 113, the rubber ring top 114, and the film piece 1 having the contact portion directly under the rubber ring top 114 are formed so as to be placed on the lower portion 117 of the lower portion of the film sheet 116. . The back surface of the 111 is formed in a 0-column fitting portion 111a in a central portion extending downward, and an interference groove 111a is formed on the outer circumference of the fitting portion 111a as indicated by =. On the outer side of the fitting portion (1)a, a curved annular projection (10). The extent of the annular projection mb is lower than that of the fitting portion Ilia. It can be made larger than a rectangle, and the inner peripheral portion of the fitting hole π hole_ is formed in the towel (4). As shown in FIG. 2, the edge portion aa is formed so that the edge portion 118aa is embedded in the above-mentioned key top 111. ί ^, and the key top (1) and the movable plate 118 are combined. a rotating cut portion and a sliding branch member such as 'where' the rotary support portion _ rotatably supports one end of the i-th link structure level 2 on the back side of the ^ 8a slidably supported portion One end of the second link member 1U is movably supported in the horizontal direction.
、片狀彈性構件119是由矽橡膠或聚氨基曱酸乙酯等形 成，並具有覆蓋鍵盤裝置整體的大小。在片狀彈性構件119 的’與鍵了頁111的中央部相對向的位置上，形成有插入孔 U9a，且其周圍與可動板118的形狀相對應地形成有收縮 部U9b。收縮部119b的外周被施以尺化（較鍵頂ui的 頂面角R大）’形成圓弧狀。The sheet-like elastic member 119 is formed of ruthenium rubber or polyamino phthalate or the like and has a size covering the entire keyboard device. An insertion hole U9a is formed at a position where the 'of the sheet-like elastic member 119' opposes the central portion of the key sheet 111, and a constricted portion U9b is formed around the shape of the movable plate 118. The outer circumference of the constricted portion 119b is tapered (larger than the top surface angle R of the key top ui)' to form an arc shape.
片狀彈性構件119如圖2所示，是設置在鍵頂ιη和 可動板118之間。安裝方法是首先在片狀彈性構件ιΐ9的 插入孔119a中插入鍵頂iu的嵌合部llla，接著從片狀 彈性構件119的下侧，將可動板118安裝在鍵頂ui的嵌 合部111a上。亦即，藉由使可動板118的邊緣部丨以⑽嵌 入到嵌合部111a的嵌合溝lllaa中雨安裝。此時，鍵頂 1Π的環形突起111b如圖2所示，對片狀彈性構件119進 行按壓，藉此而使片狀彈性構件119被固定。 而且片狀彈性構件119是在鍵盤裝置的全部鍵開關 上共同地设置，但在鍵開關和鍵開關之間，如圖2所示， 設置撓曲部119e。藉此而避免對鍵頂ιη的按 響。撓曲部H9e確保鍵頂⑴的上下方向的可動區域以 上。而且，片狀彈性構件119的末端（鍵盤裝置的末端） 11 25195pif 如圖f所不’是利用點著劑12G而固在薄膜片116上。 =第1連桿構件112具有一對支腳部112a 、112b，且在 ^腳部U2a、112b的一端，使在可動板118的旋轉支撑 。:U8b中得到插入支樓的第1連結棒112c ’以將支腳部 a 112b進行連結的形態而設置，同樣，在支腳部 112a、 另端’使第2連結棒U2d以將支腳部ii2a、112b 個Hi的形態而設置，另外，在支腳部112a、112b的各 ’於連結第1連轉me和第2輕棒⑽的 置軸個連結棒mc、U2d等距離的位置上，設 置軸 112e、li2f。 贫2連#構件113具有—對支腳部113a、⑽，且在 之第1支稽突出:二t 可平行移動地得到支撐 如，朝著外側設置，在另-端， 棒U2C、1連桿構件112的兩連結 2d間荨距離地，朝著 第】支物收、n3d 而且’在連結 線上，且在對各個支撐突起mi❿、收的 離的位置上’設置軸孔113g、I]3h]/:，u3f_ ⑽在較第】支撐突起服、 卜/腳部II3a、 用連結部】]3i進行連結。 罪近頂端的一側，利 橡膠圈頂〗14是以橡膠等作盘 曲的杯狀，並在内面尹央部料而大致形成可彎 “出疋1按鍵為單位進行分割並形她^ 12 1361442 25195pif ^在其一端附近設置滑動引導裝置U5b，用於可旋轉且沿 著水平方向可平行移動地對第1連桿構件112的第2連結 棒112d進竹支撐，而且，在另一端附近設置旋轉引導裝置 115c、115d，用於旋轉自如地對第2連桿構件113的第2 支撐突起113e、l〗3f進行支撐。 —而且，在支禮益115的兩端中央，對向設置有用於固 定橡膠圈丁貝114的外周部之圓弧形的引導壁n5e，另外， 在支撐器115的下面，以包圍薄膜片116的貫通孔ii6f 的^態，而於多處位置形成規定長度的熔接用銷llh。 薄膜片116如圖2所示，是由2張可撓性片U6a、 ⑽’和在該2張可撓性片、服中所失持的間隔片 116c而構成，且在該間隔片上，與多個鍵對應設置 有多個貫軌歸。貫通孔服在2張可撓性片^如、 116b間形成空間，並以在該㈣内彼此對向設置的形態， 而分別在後面板117側的可撓性片116b上設置固定接點 116d’在橡膠圈頂114側的可撓性片116&上設置可動接點 116e。在貫通孔116f的周圍設置有透孔。 /後面板117是配置在下部以搭載以上的各構件，且在 後面板117上’與薄膜板116的透孔U6g對應地，形成與 薄膜片116大致同等厚度的間隔突起U7b，並在各間隔突 起mb的中央貫通設置孔117a，其中，該孔n7a用於 過支撐器115的熔接用銷115a。 圖3所示為片狀彈性構件的平面圖。在圖3中，片狀 彈性構件119是設置在鍵㈣置主體13()的整體範圍内， 13 1361442 25195pif 並在與鍵開關對應的位置上形成插入 看並=暸，但在插入孔ll9a間還形成有撓曲雖部 下面，對本實施形態的動作進行 方按下^頂111時，第1連桿構件m和第^ 下降，橡膠圈頂114被壓扁岐可動接點me和固定接點 ll6d接觸’鍵開關1Q1形成閉合狀態。此時，由於狀彈As shown in Fig. 2, the sheet-like elastic member 119 is disposed between the key top 1 n and the movable plate 118. In the mounting method, first, the fitting portion 111a of the key top iu is inserted into the insertion hole 119a of the sheet-like elastic member ι, and then the movable plate 118 is attached to the fitting portion 111a of the key top ui from the lower side of the sheet-like elastic member 119. on. In other words, the edge portion of the movable plate 118 is attached to the fitting groove 111a of the fitting portion 111a by rain (10). At this time, as shown in Fig. 2, the annular projection 111b of the key top 1b presses the sheet-like elastic member 119, whereby the sheet-like elastic member 119 is fixed. Further, the sheet-like elastic member 119 is commonly provided on all the key switches of the keyboard device, but between the key switch and the key switch, as shown in Fig. 2, the flexure portion 119e is provided. This avoids the ringing of the key top i nn. The flexure H9e ensures that the movable portion of the key top (1) in the up and down direction is above. Further, the end of the sheet-like elastic member 119 (the end of the keyboard device) 11 25195pif is fixed to the film sheet 116 by the dot 12G as shown in Fig. 15 . The first link member 112 has a pair of leg portions 112a and 112b, and is supported by the rotation of the movable plate 118 at one end of the leg portions U2a and 112b. In the U8b, the first connecting rod 112c' of the inserted branch is provided so as to connect the leg portions 112b. Similarly, in the leg portion 112a and the other end, the second connecting rod U2d is provided with the leg portion. In the form of ii2a and 112b Hi, the distance between the leg portions 112a and 112b is equal to the distance between the first connecting link me and the second light bar (10). The axes 112e, li2f are provided. The lean 2 joint # member 113 has a pair of leg portions 113a, (10), and is protruded in the first branch: two t can be supported in parallel movement, for example, toward the outer side, at the other end, the rod U2C, 1 The two joints 2d of the rod member 112 are disposed at a distance from each other, toward the first branch, n3d and 'on the connecting line, and are provided with shaft holes 113g, I] 3h at positions away from the respective supporting protrusions ]/:, u3f_ (10) is connected to the first support protrusion garment, the cloth/foot portion II3a, and the joint portion]]3i. On the side near the top of the sin, the rubber rubber ring top 14 is a cup-shaped cup made of rubber and the like, and is formed on the inner surface of the Yinyang material and is roughly formed into a bendable "out of the button 1 unit for division and shape her ^ 12 1361442 25195pif ^ A slide guiding device U5b is provided in the vicinity of one end thereof for rotatably and parallelly movable in the horizontal direction to support the second connecting rod 112d of the first link member 112, and a rotation guiding device is provided in the vicinity of the other end. 115c and 115d are rotatably supported by the second support projections 113e and 1-3f of the second link member 113. Further, at the center of both ends of the support rib 115, a rubber ring for fixing is provided in the opposite direction. The circular arc-shaped guide wall n5e of the outer peripheral portion of the damper 114 is formed with a predetermined length of the welding pin llh at a plurality of positions on the lower surface of the supporter 115 so as to surround the through hole ii6f of the film sheet 116. As shown in FIG. 2, the film sheet 116 is composed of two flexible sheets U6a, (10)' and spacer sheets 116c which are lost in the two flexible sheets and clothes, and on the spacers, Corresponding to multiple keys, there are multiple cross-tracks. The through hole is formed in a space between the two flexible sheets, such as 116b, and is disposed opposite to each other in the (4), and the fixed contact 116d is provided on the flexible sheet 116b on the side of the rear panel 117, respectively. A movable contact 116e is provided on the flexible sheet 116& on the rubber ring top 114 side. A through hole is provided around the through hole 116f. The rear panel 117 is disposed at the lower portion to mount the above members, and On the panel 117, a spacer protrusion U7b having a thickness equal to that of the film sheet 116 is formed corresponding to the through hole U6g of the film sheet 116, and a hole 117a is formed in the center of each of the spacer protrusions mb, wherein the hole n7a is used for over-supporting The welding pin 115a of the fuse 115. Fig. 3 is a plan view of the sheet-like elastic member. In Fig. 3, the sheet-like elastic member 119 is disposed within the entire range of the key (four) body 13 (), 13 1361442 25195pif and The insertion position is made at the position corresponding to the key switch, but the lower portion of the deflection is formed between the insertion holes 119a. When the operation of the present embodiment is performed, the first link member m and the first link member m are The second drop, the rubber ring top 114 is crushed and movable Ll6d fixed contact point and the contact me 'button switch 1Q1 closing state. At this time, since the elastic-like
性構件119如圖4所示，具有撓曲部119c，所以對按下動 作不產生影響，使鍵頂⑴順利地進行按下動作。 圖4所示為鍵頂的按下狀態的動作說明圖。 在現裏’如果操作者將喻。#等灑在鍵盤裝置上可 阻止咖啡由片狀彈性構件119浸人到第】、第2連桿構件 112、巧及薄膜片116 ’使第1、第2連桿構件112、113 或支撐益機構的旋轉支點部或滑動部不會變僵硬，而且， 薄膜片116的接點部（116d、116e)也不會短路。As shown in Fig. 4, the flexible member 119 has the bent portion 119c, so that the pressing operation is not affected, and the key top (1) is smoothly pressed. Fig. 4 is a view showing the operation of the key top in a pressed state. In the present, 'if the operator will be a metaphor. #等洒on the keyboard device to prevent the coffee from being immersed by the sheet-like elastic member 119 to the first], the second link member 112, and the film piece 116' to make the first and second link members 112, 113 or support benefits The rotation fulcrum portion or the sliding portion of the mechanism does not become stiff, and the contact portions (116d, 116e) of the film sheet 116 are not short-circuited.
而且，由於片狀彈性構件119設置在鍵頂lu的下侧， 所以無論操作者多少次按下鍵頂m，也不會因指甲而使 片狀彈性構件119破損。而且，在拆下鍵頂ιη的情況下， 由於鍵頂ill只是被安裝在可動板118上，所以鍵頂ui 可簡單地拆除，且屆時片狀彈性構件119不會破損。 下面’對實施形態的變形例進行說明。圖5所示為變 形例的鍵開關結構的分解立體圖。在圖5中，是在變形例 的鍵開關201中，與前述實施形態同樣地，設置可動板218 及片狀彈性構件219，並在鍵頂211的背面，於中央部米 成圓柱狀的肷合部211a，且在嵌合部211a的外側形成聲 1361442 25l95pif 形突起211b。 可動板218大致形成圓形，且在中央部上 ‘孔⑽，用於欲入鍵頂211的丧合部心。在可動板218 * 的背面，設置有旋轉支撐部21沾和滑動支撐部218c，其 中’旋轉支撐部218b可旋轉地對第丨連桿構件ιΐ2 端 進行支樓，滑動支樓部218c可旋轉且沿著水平方向可移動 地對第2連桿構件113的一端進行支撐。 • 、#狀彈性構件219是由雜膠或聚氨基甲酸乙醋等形 成並具有覆盍鍵盤裝置整體的大小。在片狀彈性構件 的，與鍵開關10i的中央部相對向的位置上，形成有插入 孔219a，且其周圍形成圓形的收縮部21%。收縮部21卯 " 的外周被施以R化（較鍵頂211的頂面角R大），形成圓 弧狀。 片狀彈性構件229是與上述實施形態同樣地，設置在 鍵頂2Π和可動板218之間。安敦方法也與上述實施形態 • 相同，首先是在片狀彈性構件加的插人孔2他中插入鍵 頂211的嵌合部211a，接著從片狀彈性構件219的下側， . 將可動板218安裝在鍵頂211的嵌合部2na上。然後，鍵 頂211的裱形突起211b對片狀彈性構件219進行按壓^其 • 他的構成與前述實施形態相同。 由於本變形例的動作是與上述實施形態相同，所以省 略其說明。在該變形例中，是使片狀彈性構件2】9的收縮 邛219b大致為圓形，所以當按下鍵頂211的末端時，按下 觸感較前述實施形態的情況優良。而且，前述實施形態的 15 25]95pif 韃開關】οι適合用於 :對，變形例的鍵開關=小型鍵盤裝置’與此 裝置。 用於鍵間距、鍵尺寸大的鍵盤 【圖式簡單說明】 體圖:為本發明的實麵冑之M _結制分解立Further, since the sheet-like elastic member 119 is provided on the lower side of the key top lu, the sheet-like elastic member 119 is not broken by the nail regardless of how many times the operator presses the key top m. Further, in the case where the key top ι is removed, since the key top ill is simply mounted on the movable plate 118, the key top ui can be easily removed, and the sheet-like elastic member 119 is not broken at that time. Next, a modification of the embodiment will be described. Fig. 5 is an exploded perspective view showing the structure of the key switch of the modified example. In the key switch 201 of the modification, in the same manner as in the above-described embodiment, the movable plate 218 and the sheet-like elastic member 219 are provided, and on the back surface of the key top 211, a cylindrical column is formed at the center portion. The joint portion 211a is formed with a sound 1136442 25l95pif-shaped projection 211b on the outer side of the fitting portion 211a. The movable plate 218 is formed in a substantially circular shape, and a hole (10) is formed in the center portion for the center of the funnel to be inserted into the key top 211. On the back surface of the movable plate 218*, a rotation support portion 21 is provided and a sliding support portion 218c is provided, wherein the 'rotation support portion 218b rotatably slantes the end of the second link member ι 2, and the slide branch portion 218c is rotatable and One end of the second link member 113 is movably supported in the horizontal direction. • The #-shaped elastic member 219 is formed of a glue or a polyurethane, and has a size that covers the entire keyboard device. In the position of the sheet-like elastic member opposed to the central portion of the key switch 10i, an insertion hole 219a is formed, and a circular constricted portion 21% is formed around the opening. The outer circumference of the constricted portion 21 卯 " is subjected to R (larger than the top surface angle R of the key top 211) to form a circular arc shape. The sheet-like elastic member 229 is provided between the key top 2Π and the movable plate 218 as in the above embodiment. The Anton method is also the same as the above embodiment. First, the fitting portion 211a of the key top 211 is inserted into the insertion hole 2 of the sheet-like elastic member, and then from the lower side of the sheet-like elastic member 219, the movable plate is placed. The 218 is attached to the fitting portion 2na of the key top 211. Then, the dome-shaped projection 211b of the key top 211 presses the sheet-like elastic member 219, and its configuration is the same as that of the above embodiment. Since the operation of the present modification is the same as that of the above embodiment, the description thereof will be omitted. In this modification, the contraction 邛 219b of the sheet-like elastic member 2 is substantially circular. Therefore, when the end of the key top 211 is pressed, the feeling of pressing is superior to that of the above embodiment. Further, the 15 25] 95 pif switch of the above embodiment is suitable for use in: a pair of key switches of a modified example = a small keyboard device' and this device. Keyboard for key spacing and large key size [Simplified illustration] Body image: The actual surface of the invention is M _ 结 结
=:示:實施形態的鍵開 :所不為片狀彈性構件的平面圖。圖 鍵頂的按下狀態的動作 開關結構的分解立體圖。 圖 ”為八有連桿機構之習知的鍵開關結構的剖面=: shows: key opening of the embodiment: not a plan view of the sheet-like elastic member. Figure The action of pressing the top of the key. The exploded view of the switch structure. Figure ” is a cross section of a conventional key switch structure with eight linkage mechanisms
【主要 元件符號說明】 10 :鍵開關 11 •'鍵頂 12 •‘第】連桿構件 13 •‘第2連桿構件 14 ： :橡膠圈頂 15 : 支撐器 16 : 薄膜片 16a •接點部 17 : 後面板 101 :鰱開關 111 : :鍵頂 16 1361442 25195pif 111 a :嵌合部 lllaa :嵌合溝 111b :環形突起 112 :第1連桿構件 112a、112b :支腳部 112c :第1連結棒 112d :第2連結棒 112e、112f :軸 113 :第2連桿構件 113a、113b :支腳部 113c、113d :第1支撐突起 113e、113f :第2支撐突起 113g、113h :軸孔 113i :連結部 114 :橡膠圈頂 114a :接點按下部 115 :支撐器 115a :熔接用銷 115b :滑動引導裝置 115c、115d :旋轉引導裝置 115e :引導壁 116 :薄膜片 116a、116b :可撓性片 116c :間隔片 17 1361442 25195pif 116d :固定接點 116e :可動接點 116f :貫通孔 116g :透孔 117 :後面板 117a :孔 117b :間隔突起 118 :可動板 118a :嵌合孔 118aa :邊緣部 118b :旋轉支撐部 118c :滑動支撐部 119 :片狀彈性構件 119a :插入孔 119b :收縮部 119c :撓曲部 120 :粘著劑 130 :鍵盤裝置主體 201 :鍵開關 211 :鍵頂 211a :嵌合部 211b :環形突起 218 :可動板 218a :嵌合孔 18 1361442 25195pif 218b :旋轉支撐部 218c :滑動支撐部 219 :片狀彈性構件 219a :插入孔 219b :收縮部 19[Description of main component symbols] 10: Key switch 11 • 'Key top 12 • 'First】 Link member 13 • '2nd link member 14 : : Rubber ring top 15 : Supporter 16 : Film piece 16a • Contact part 17 : Rear panel 101 : 鲢 switch 111 : : key top 16 1361442 25195pif 111 a : fitting portion lllaa : fitting groove 111b : annular projection 112 : first link member 112 a , 112 b : leg portion 112 c : first connection Rod 112d: second connecting rods 112e and 112f: shaft 113: second link members 113a and 113b: leg portions 113c and 113d: first support projections 113e and 113f: second support projections 113g and 113h: shaft hole 113i: Connecting portion 114: rubber ring top 114a: contact pressing portion 115: supporter 115a: welding pin 115b: sliding guiding device 115c, 115d: rotation guiding device 115e: guiding wall 116: film sheets 116a, 116b: flexible sheet 116c: spacer 17 1361442 25195pif 116d: fixed contact 116e: movable contact 116f: through hole 116g: through hole 117: rear panel 117a: hole 117b: spacer protrusion 118: movable plate 118a: fitting hole 118aa: edge portion 118b : Rotating support portion 118c: sliding support portion 119: sheet-like elastic structure 119a: insertion hole 119b: constricted portion 119c: flexure portion 120: adhesive 130: keyboard device main body 201: key switch 211: key top 211a: fitting portion 211b: annular projection 218: movable plate 218a: fitting hole 18 1361442 25195pif 218b: rotation support portion 218c: slide support portion 219: sheet-like elastic member 219a: insertion hole 219b: constricted portion 19