M419145 五、新型說明： 【新型所屬之技術領域】 本創作係有關於電腦鍵盤之靜音設計，特別是指一 種鍵盤倍數按鍵的靜音構造者。 【先前技術】 按目前筆記型電腦由於具有便於隨身攜帶及處理文 書2料和即時通訊之功能，故而廣受市場業者及使用者 之肯定及採用，而目前筆記型電腦鍵盤之按鍵均係採用 薄型按鍵結構，有關筆記型電腦鍵盤其主要係於字鍵之 鍵帽與底板間組裝連結有一架橋式支撐結構：惟該等習 知鍵盤字鍵結構主要係適用於一般正方形之按鍵，而對 於鍵盤上之某些長度較長之倍數按鍵（如：SPACE、 SHIFT ' ENTER等特殊功能按鍵）則需於按鍵内另外加裝 一平衡桿，此即由於倍數按鍵之長度較長，而倘若未於 按鍵内加裝一平衡桿，則當使用者並非按壓鍵帽之中央 位置時，因而會使倍數按鍵產生傾斜不穩之弊 影響按鍵之功能，是以，該一平衡桿則具有防止倍數按 鍵產生按壓傾斜之效能，但是該習知平衡桿在實際快速 按鍵動作時，其仍無法完全避免平衡桿與底板間所產生 之碰觸現象，因而時有產生噪音及按鍵操作不順暢之情 形，而為改良該習知按鍵缺點，經查本國專利公告第 346213號「倍數鍵按鍵之改良」專利案則係於該平衡桿 之二側向邊分別套合有一管狀彈性體，並藉由該平衡桿 3 M419145 與該管狀彈性體之套合構造以防止其與底板間產生碰觸 。喿音現象’惟該習知專利案除需另外套合二管狀彈性體 而增加成本及組裝工時外，且該_彈性體倘若有彈: 疲乏之現象時，則其仍無法避免產生偏擺碰觸及產生噪 音之缺點，即該呈彈性疲乏之管狀彈性 該平衡桿—側水平擺動之現象，再者，於其更換 疲乏之彈性體時’則又明顯地增加按鍵組裝維修上之不 便’甚而影響按鍵之使用效能，是以，對於上述習知倍 數按鍵結構上及使肖上之缺點，則實有待於業者作進一 步之研究改良； 有鑑於此，本案創作人遂以其多年從事電腦鍵盤之 製造及設計實務經驗’而積極研究改良，並經多次實物 樣品製作及測試’進而具體改良習知鍵盤之上述缺點， 終致完成本創作。 【新型内容】 本創作之主要目的係在於解決上述習知鍵盤之缺 點，即其主要在於改進習知鍵盤之倍數按鍵（如：space、 SHiFTe、ENTER等特殊功能按鍵）之平衡桿與底板間產生 碰觸。喿音之缺點，本創作係藉由於平衡桿與底板間設置 軟質緩衝墊以達到按壓倍數按鍵時之靜音效能。 本創作係提供-種倍數按鍵之靜音構造，其係於一 4 M419145 鍵帽與一底板間樞接有一架橋支撐結構及一平衡桿；其 中，該鍵帽之底表面上成型有一第一對柩接槽、一第二 對樞接槽及一對導滑槽，而於其中央位置則成型有一按 壓柱，其令該第一對枢接槽及一對導滑槽係枢接於該架 橋支撐結構之頂緣，而該平衡桿係概呈u形且其係嵌合 軸樞於該第二對樞接槽内；該架橋支撐結構係由一第一 - 框架及一第二框架所交叉軸樞成之一體旋動結構；該底 • 板係一體向上彎折成型有一對導滑槽、二承接槽及二導 槽，另於該底板上依序置設有一薄膜電路片及一塑性墊 片，該塑性墊片上於對應該鍵帽位置係組設有一彈性元 件，而该彈性元件係受按壓作用而向下觸動導通該薄膜 電路片以產生按鍵訊號；該平衡桿之二端緣係穿設於該 底板上之二導槽的對應圓孔位置，俾能產生平衡支撐該 鍵帽的作用；本創作之靜音構造其係於該塑性墊片上對 # 應於該平衡桿之下屋位置處係延設有軟質缓衝塾，而該 軟質緩衝势係對應位設於該平衡桿及該底板之間，俾能 藉由該軟質緩衝墊以達到按鍵時之靜音效能者。 j創作上述之目的及優點，不難從下述所選用實施 例之詳細說明與附圖中，獲得深入瞭解。 【實施方式] 有關本創作鍵盤倍數按鍵之靜音構造，則先請參考 5 圖1至圖2之第1實施例所示，本創作係一種倍數按鍵 之靜a構造，其係於一鍵帽（1〇)與一底板（2〇)間樞接有 一架橋支撐結構（30)及一平衡桿（4〇)，俾使該鍵帽（1〇) 能相對於該底板（20)而作垂直上下運動；其中， 該鍵帽（10)之底表面上成型有一第一對樞接槽 (11)、一第二對樞接槽（12)及一對導滑槽（14)，而於其 中央位置則成型有一按壓柱（13)，其中該第一對樞接槽 (11)及一對導滑槽（14)係樞接於該架橋支撐結構（3〇)之 頂緣，而該平衡桿（4〇)係概呈u形且其係嵌合軸樞於該 第二對柩接槽（12)内； 该架橋支撐結構（30)係由一第一框架（31)及一第二 框架（32)所交叉軸樞成之一體旋動結構，而該第一框架 (31)頂緣兩側向内延伸之滑軸（31丨）係滑動樞接於該鍵 帽底面之一對導滑槽（14)内，另該第二框架（32)頂緣之 對應枢軸（321)則係呈可轉動地樞接在該鍵帽底面之第 一對樞接槽（11)内，繼而，該第一框架（31)底緣兩側向 外延伸之滑軸（312)係呈可滑動旋轉在該底板（2〇)之向 上％•折的一對應導滑槽（21)内，而該第二框架（32)底緣 之對應樞軸（322)則係樞接在該底板（2〇)之向上彎折的 二對應承接槽（22)内，是以，該架橋支撐結構之頂 緣及底緣得以分別樞接連結於該鍵帽（丨〇)及底板（2 〇 )之 間’俾形成一架橋式按鍵結構； M419145 該底板（20)係一體向上彎折成型有一對導滑槽 (21)、二承接槽（22)及二導槽（24)，另於該底板（2〇)上 依序置設有一薄膜電路片（6〇)及一塑性墊片（5〇)，於該 塑性墊片（5 0)上對應於各該鍵帽（丨〇 )位置係分別組設有 一彈性元件（51)，俾得以藉由該彈性元件（51)而向上頂 掣该鍵帽（10)，且該彈性元件（51)係受按壓作用而向下 觸動導通該薄膜電路片（60)以產生按鍵訊號者； 該平衡桿（40)係概呈u形且係嵌合轴樞於該鍵帽 (10)之底面位置，即該平衡桿（4〇)頂緣係呈可轉動地枢 接在該鍵帽底面之第二對樞接槽（12)内，而該平衡桿（4〇) 一端緣則係直向穿設於該底板（2〇)上之對應二導槽（24) 的圓孔（241)内，俾能達到按壓時以產生平衡支撐該鍵帽 (10 )的作用； 本創作倍數按鍵之靜音構造，其主要係於該塑性墊 片（50)上對應於各該平衡桿（4〇)之下壓位置處則係延設 有軟質緩衝墊（54)，而該軟質緩衝墊（54)係對應容設於 該平衡桿（40)及該底板（20)之間，俾能防止該平衡桿（4〇) 於向下作動時直接碰觸到該底板（2〇)而產生噪音的缺 占’故成達到按愿倍數按鍵時而產生靜音之效能者。 有關本創作倍數按鍵之靜音構造之第2實施例，則 "月芩考圖3至圖4所示，其與第1實施例之差異處係： 於平衡桿（40a)二端係對向延伸有對稱之彎折軸，且 7 M419145 於該底板（20)上之二導槽（24a)係對向平行設置，而該平 衡桿（40a)二端之彎折軸（41)則係對應樞接於該二導槽 (24a)上之圓孔（25a)内，而當該平衡桿（40a)於下壓動作 時則會對應碰觸於該塑性墊片（50)上之軟質缓衝墊 (54)，俾能防止該平衡桿（4〇a)直接碰觸到該底板（2〇)的 缺點，故能達到按鍵時而產生靜音之效能者。 由以上詳細說明，可使熟知本項技藝者明瞭本創作 的確可達成前述目的，實已符合專利法之規定，爰提出 專利申請。 【圖式簡單說明】 圖1係本創作倍數按鍵之靜音構造的立體分解圖； 圖2係表示圖1之組合剖視圖。 圖3係表示本創作第2實施例的立體分解圖； 圖4係表示圖3之倍數按鍵之靜音構造的組合剖視圖。 【主要元件符號說明】 (10 ):鍵帽 (12 ):第二對柩接槽 (11):第一對握接槽 (13):按壓柱 8 M419145M419145 V. New description: [New technical field] This creation is about the silent design of computer keyboard, especially the mute structure of a keyboard multiple button. [Prior Art] According to the current notebook computer, it has the functions of being easy to carry and handle the paperwork and instant messaging. Therefore, it is widely recognized and adopted by market players and users. Currently, the keys of the notebook computer keyboard are thin. Key structure, the notebook computer keyboard is mainly connected to the key pad and the bottom plate is assembled and connected with a bridge support structure: only the conventional keyboard word key structure is mainly applied to the general square button, and for the keyboard Some of the longer-length multiple buttons (such as SPACE, SHIFT ' ENTER and other special function buttons) need to be equipped with a balance bar in the button, because the length of the multiple button is longer, and if it is not within the button When a balance bar is installed, when the user does not press the central position of the keycap, the disadvantage of the tilting instability of the multiple keys is affected, so that the balance bar has the function of preventing the multiple keys from being pressed and tilted. Performance, but the conventional balance bar can not completely avoid the balance bar and the bottom plate when the actual quick button action The occurrence of the touch phenomenon, and thus the occurrence of noise and button operation is not smooth, and in order to improve the shortcomings of the conventional button, the patent application No. 346213 "Improvement of the multiple key button" patent case is based on the balance The two lateral sides of the rod are respectively fitted with a tubular elastic body, and the balance rod 3 M419145 is fitted with the tubular elastic body to prevent contact with the bottom plate. Arpeggio phenomenon', except that the conventional patent case increases the cost and assembly time except for the additional tubular elastic body, and if the elastic body has a phenomenon of fatigue: it still cannot avoid the yaw The shortcoming of touching and generating noise, that is, the elastic and tired tubular elastic state of the balance bar - the side horizontal swing phenomenon, and in addition, when it replaces the fatigued elastic body, it obviously increases the inconvenience of the button assembly and maintenance' even Influencing the use efficiency of the buttons, it is necessary to further improve the research on the above-mentioned multiple-key structure and the shortcomings of the above-mentioned buttons; in view of this, the creator of the case has been engaged in computer keyboard for many years. The manufacturing and design practice experience 'and actively research and improvement, and through a number of physical sample production and testing' and then specifically improve the above shortcomings of the conventional keyboard, and finally complete the creation. [New content] The main purpose of this creation is to solve the shortcomings of the above-mentioned conventional keyboard, that is, it mainly aims to improve the balance between the balance bar and the bottom plate of the multiple keys of the conventional keyboard (such as: space, SHiFTe, ENTER, etc.) touch. The shortcoming of the voice, this creation is due to the soft cushion provided between the balance bar and the bottom plate to achieve the mute performance when the double button is pressed. The creation system provides a mute structure of a multiple button, which is pivotally connected with a bridge support structure and a balance bar between a 4 M419145 keycap and a bottom plate; wherein a first pair is formed on the bottom surface of the keycap a receiving slot, a second pair of pivoting slots and a pair of guiding slots, and a pressing post is formed at a central position thereof, the first pair of pivoting slots and the pair of guiding slots are pivotally supported by the bridge a top edge of the structure, wherein the balance bar is generally u-shaped and the fitting shaft is pivoted in the second pair of pivotal grooves; the bridge support structure is a cross-shaft of the first frame and the second frame The bottom plate is integrally formed with a pair of guide grooves, two receiving grooves and two guiding grooves, and a thin film circuit piece and a plastic spacer are sequentially disposed on the bottom plate. The plastic spacer is provided with an elastic component on the corresponding position of the keycap, and the elastic component is pressed to turn on the thin film circuit to generate a button signal; the two ends of the balance bar are worn. a corresponding circular hole position of the two guide grooves provided on the bottom plate,俾 can produce a balanced support for the keycap; the mute structure of the present creation is attached to the plastic spacer, and a soft buffer 系 is disposed at a position below the balance bar, and the soft buffer The corresponding position is set between the balance bar and the bottom plate, and the soft cushion can be used to achieve the silent performance when the button is pressed. In order to achieve the above objects and advantages, it is not difficult to obtain an in-depth understanding from the detailed description of the embodiments selected below and the accompanying drawings. [Embodiment] Regarding the mute structure of the keyboard multiplication button of the present invention, please refer to the first embodiment of FIG. 1 to FIG. 2, which is a static a structure of a multiple button, which is attached to a keycap ( 1〇) is pivotally connected with a bottom plate (2〇) with a bridge support structure (30) and a balance bar (4〇) so that the key cap (1〇) can be vertically moved up and down relative to the bottom plate (20) Movement; wherein, the bottom surface of the keycap (10) is formed with a first pair of pivoting slots (11), a second pair of pivoting slots (12) and a pair of guiding slots (14), and in the center thereof The position is formed with a pressing post (13), wherein the first pair of pivoting slots (11) and a pair of guiding slots (14) are pivotally connected to the top edge of the bridging support structure (3〇), and the balance bar (4〇) is generally u-shaped and its fitting shaft is pivoted in the second pair of splicing grooves (12); the bridging support structure (30) is composed of a first frame (31) and a second frame (32) the intersecting shaft pivots into a body-spinning structure, and the sliding shaft (31丨) extending inwardly on both sides of the top edge of the first frame (31) is slidably pivoted to one of the bottom surfaces of the keycap to guide the sliding Inside the slot (14) And the corresponding pivot (321) of the top edge of the second frame (32) is rotatably pivoted in the first pair of pivoting slots (11) of the bottom surface of the keycap, and then the first frame (31) The sliding shaft (312) extending outwardly from both sides of the bottom edge is slidably rotated in a corresponding guide groove (21) of the bottom plate (2〇), and the second frame (32) The corresponding pivot (322) of the bottom edge is pivotally connected in the two corresponding receiving grooves (22) of the bottom plate (2〇), so that the top edge and the bottom edge of the bridging support structure are respectively pivoted Connected between the keycap (丨〇) and the bottom plate (2 〇) to form a bridge type button structure; M419145 The bottom plate (20) is integrally bent upwardly to form a pair of guide chutes (21), two to undertake The groove (22) and the two guide grooves (24) are further provided with a thin film circuit piece (6〇) and a plastic spacer (5〇) on the bottom plate (2〇), and the plastic spacer (5) 0) corresponding to each of the keycaps (丨〇) positions are respectively provided with an elastic element (51), by which the cymbal cap (10) can be topped up by the elastic element (51), and the elasticity The member (51) is pressed to turn on the thin film circuit (60) to generate a button signal; the balance bar (40) is generally u-shaped and the mating shaft is pivoted to the key cap (10) The bottom surface of the balance bar (4〇) is rotatably pivotally connected to the second pair of pivoting grooves (12) of the bottom surface of the keycap, and the end of the balance bar (4〇) is Straight to the circular hole (241) of the corresponding two guide grooves (24) on the bottom plate (2〇), the 俾 can reach the role of pressing to support the key cap (10) when pressed; The mute structure is mainly disposed on the plastic gasket (50) corresponding to the pressure position of each of the balance bars (4〇), and is provided with a soft cushion (54), and the soft cushion (54) Correspondingly, it is disposed between the balance bar (40) and the bottom plate (20), and prevents the balance bar (4〇) from directly touching the bottom plate (2〇) when the downward movement is performed to generate noise. The lack of 'definitely' achieves the ability to mute when the button is multiplied. Regarding the second embodiment of the mute structure of the creation multiple button, the difference between the first embodiment and the first embodiment is as follows: at the end of the balance bar (40a) A symmetrical bending axis is extended, and the two guiding grooves (24a) of the 7 M419145 on the bottom plate (20) are oppositely arranged in parallel, and the bending axes (41) at the two ends of the balance bar (40a) are correspondingly arranged. The pivoting hole (25a) is pivotally connected to the two guiding grooves (24a), and when the balance bar (40a) is pressed, the soft buffer corresponding to the plastic spacer (50) is correspondingly touched. The pad (54) can prevent the balance bar (4〇a) from directly touching the bottom plate (2〇), so that the effect of mute can be achieved when the button is pressed. From the above detailed description, it will be apparent to those skilled in the art that the present invention can achieve the foregoing objectives, and has already met the requirements of the Patent Law and has filed a patent application. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is an exploded perspective view showing the mute structure of the creation multiple button; Fig. 2 is a sectional view showing the combination of Fig. 1. Fig. 3 is a perspective exploded view showing a second embodiment of the present invention; Fig. 4 is a sectional view showing a combination of a silent structure of the multiple keys of Fig. 3. [Explanation of main component symbols] (10): Key cap (12): second pair of splicing slots (11): first pair of grip slots (13): pressing post 8 M419145
(14):導滑槽 (20):底板 (21):導滑槽 (22):承接槽 (24):導槽 (24a):導槽 (25):圓孔 (25a):圓孔 (30):架橋支撐結構 (31):第一框架 (311):滑軸 (312):滑轴 (32):第二框架 (321):枢軸 (322):枢軸 (40):平衡桿 (40a):平衡桿 (41):彎折軸 (50):塑性墊片 (51):彈性元件 (54):軟質緩衝墊 (60):薄膜電路片(14): Guide chute (20): bottom plate (21): guide chute (22): receiving groove (24): guide groove (24a): guide groove (25): round hole (25a): round hole ( 30): Bridge support structure (31): First frame (311): Sliding shaft (312): Sliding shaft (32): Second frame (321): Pivot (322): Pivot (40): Balance bar (40a ): Balance bar (41): Bending axis (50): Plastic spacer (51): Elastic element (54): Soft cushion (60): Thin film circuit