201102791 六、發明說明： 【發明所屬之技術領域】 本發明是有關於一種具有鍵盤之電子裝置，特別是 有關於一種具有雙鍵盤且鍵盤可以滑移之電子裝置。 【先前技術】 隨著時代的進步，電子裝置例如手機（cell phone)、 計算機（calculator)、個人數位助理（PDA)、電腦 (computer)、手提電腦（n〇teb〇〇k)，越來越普及化。具有 顯示螢幕之鍵盤裝置是最重要的輸入裝置之一。習知技 藝中，安裝於電子裝置上之鍵盤裝置其配置大都是固定 不動的，使用者並無法依需求改變按鍵裝置之配置，因 此，必須適應每種鍵盤裝置所固定的按鍵配置，使用者 即無法加以滑移來調整鍵盤裝置於最佳操作之位置。 ^再者，一般習知之鍵盤裝置於使用者操作模式下， 係以單一鍵盤裝置所容納少數按鍵做為主要的輸入工 具，近年來，廠商為吸引不同的年齡層或族群使用，也 都盡全力滿足消費者，因此’科技產業的蓬勃發展與市 場的需求之下，多媒體(如遊戲、影像、影片、音樂、數 ，電視、數位助理pDA等等）已整合於電子裝置上，倘 j作上僅僅靠單-鍵盤裝置所容納之少數按鍵，則無 法提供良好的輸入模式滿足大眾之需求。 *、 ^習知技藝之各項問題，為了能夠兼顧解決之， 本發月人基於多年從事研究開發與諸多實務經驗，提出 201102791 一種雙鍵盤之電子裝置， 式與依據。 以作為改善上述缺點 之實現方 【發明内容】 i 一 …201102791 VI. Description of the Invention: [Technical Field] The present invention relates to an electronic device having a keyboard, and more particularly to an electronic device having a dual keyboard and a keyboard that can be slipped. [Prior Art] With the advancement of the times, electronic devices such as cell phones, calculators, personal digital assistants (PDAs), computers, and laptops (n〇teb〇〇k) are becoming more and more popularize. A keyboard device with a display screen is one of the most important input devices. In the prior art, the keyboard device mounted on the electronic device is mostly fixed in configuration, and the user cannot change the configuration of the button device according to requirements. Therefore, it is necessary to adapt to the button configuration fixed by each keyboard device, and the user is It is not possible to slip to adjust the keyboard unit for optimal operation. Furthermore, the conventional keyboard device is a user-operated mode in which a small number of buttons are used as a main input tool in a single keyboard device. In recent years, manufacturers have tried their best to attract different age groups or ethnic groups. Satisfying consumers, so 'the booming technology industry and the market demand, multimedia (such as games, video, video, music, digital, TV, digital assistant pDA, etc.) has been integrated on the electronic device, if j Only a small number of buttons housed in a single-keyboard device cannot provide a good input mode to meet the needs of the public. *, ^ Various problems of the skill, in order to be able to solve the problem, this month based on years of research and development and many practical experience, this month, 201102791 a dual keyboard electronic device, style and basis. As an implementation to improve the above disadvantages [invention] i ...
根據本發明之另一目的，提出一 之電子裝置， 引部，用以库 題0 種雙鍵盤之電子裝^ 置，當雙鍵盤開啟後，利用兩鍵盤所容納之按鍵以提供 更多的輸入功能。 〃 緣是，為達上述目的，依本發明係提供一種雙鍵盤 之電子裝置，包含一本體、一第一鍵盤單元、一滑移部 及一第二鍵盤單元。本體具有一顯示單元及一容置槽， 參 容置槽位於顯示單元之一侧並具有一導引部。第一鍵盤 單元位於容置槽並具有一第一滑移部，第一滑移部係對 應於導引部滑移。 第二鍵盤單元樞接於第一鍵盤單元且第二鍵盤單元 可選擇性於蓋合於第一鍵盤單元與離開於第一鍵盤單元 之兩位置間枢轉，用以利用兩鍵盤所容納之按鍵以提供 更多的輸入功能。 承上所述，依本發明之雙鍵盤之電子裝置，其可具 有一或多個下述優點： 201102791 此雙鍵盤之電子裝置，此雙鍵盤之電子裝置，可 ΪΪί:、第二鍵盤單元之第一、第二滑移部，二者滑 ^谷置槽之導引部，藉此可提高使用者操作鍵盤之便 利性。 .，鍵盤之電子裝置可藉由折疊之雙鍵盤開啟 後，利用第一鍵盤單元及第二鍵盤單元上的按鍵，藉此 可提供更多的輸入功能，使大眾獲得滿足之 【實施方式】 請一併參閱第1圖至第4圖，其係為本發明之雙鍵 盤之電子裝置實施例之分解示意圖、立體結構示意圖、 容置槽A-A剖面示意圖及容置槽B_B剖面示意圖。圖 中，雙鍵盤之電子裝置1可適用如手機等可攜式電子裝 置，然非以此為限。雙鍵盤之電子裝置！包含一本體2、 一第一鍵盤單元3、一第二鍵盤單元4、二彈片5及一連 接件8。 本體2具有一顯示單元21及一容置槽22。顯示單 元21可為液晶螢幕、觸控螢幕或可顯示影像晝面之裝 置。容置槽22位於顯示單元21之一侧，容置槽22具有 兩導引部221及一開孔222。導引部221為導槽或導執 並位於容置槽22内側。於此實施例中，兩導引部221 為呈凸狀之導執。開孔222位於容置槽22底部，並呈矩 形狀之空孔。開孔222相面對之側緣面上各別具有兩第 一缺口 2221及兩第二缺口 2222，兩第一缺口 2221及兩 第二缺口 2222係分別兩兩相對。 第一鍵盤單元3安置於容置槽22。並具有兩第一滑 201102791 • 移部31、兩通孔32、兩第一樞孔33、至少一第一按鍵 34及-凸塊37,於此實施例中’第一鍵盤單元3可以由 框=35及底蓋36卡合而成。特須指出者，本例中僅顯 不單一第一按鍵34以方便例示，但自然亦可設置複數按 鍵’且按鍵形式不限於機械按壓式，亦可為例如電容感 應（cap-sensor)或其他形式之輸入介面。 第β移部31可為一導槽或一導軌。於此實施例 麄中’第-滑移部31係對應於導引部221而呈凹陷狀之導 槽：可位移於呈導軌狀之導引部221。通孔32係開設於 底蓋36,通孔32之一端連接底蓋％之一端，通孔32 之另一端彎折形成-勾槽32卜係大致延伸於底蓋36中 央。凸塊37設置於底蓋36之底面，且介於兩通孔％ 間，凸塊37係嵌設於開孔222卜而可往復位移。 彈片5可呈一長條狀，係嵌設於通孔32中彈片$ 具有-勾部51及一凸點52,勾部51為彈片5之一端加 以彎折形成，藉以與勾槽321相卡合。凸點52可藉由彈 性回復力卡扣於第-缺口 2221 (如第3圖及第4圖所 不)一’使第一鍵盤單元3定位於一第一位置6 (如第2圖 :不），或者凸·點52卡扣於第二缺口助，使第一鍵盤 ::3定位於一第二位置7。其中兩彈片5係分別抵靠 凸塊37之二侧，且勾部51嵌入於凸塊37之一端，以防 止彈片5鬆動導致脫落之情事。於此實施例中，二彈片 5之凸點52係各別於開孔222之孔緣二侧穩固位:。 另須指出者，本實施例中，雖係藉例如彈片5、容 201102791 置槽22、間孔222等設於本體2或第一鍵盤單元3之元 件或部位，共同配合達成使第一鍵盤單元3得以暫時定 位於第2圖及第9圖所示兩預設暫固定位置之功能；然 就本技術領域之機構設計人士而言，兩機構間之暫固定 件具多種變化型態，故可輕易於本體3及第一鍵盤單元 3分別设計其他形式組合之一第一暫固定部及一第二暫 固定部，而藉該第一暫固定部及第二暫固定部之相配 〇，同樣可達成上述之暫固定效果，故非以本實施例所 舉為限。 兩第一樞孔33係相互面對，並位於第一鍵盤單元3 一端之二側，於此實施例中，第一樞孔33可由框體35 及底蓋36加以組合成為一盲孔。 第二鍵盤單元4樞接於第一鍵盤單元3，並可隨第 鍵盤單元3於容置槽22中滑動。第二鍵盤單元4具有 兩第二滑移部41、至少一第二按鍵42及兩第二樞孔43。 同理，本例中僅顯示單一第二按鍵42，但自然亦可設置複 數按鍵，且按鍵形式並無特定限制。 第一滑移部41為凹陷狀之導槽，而可對應於導引部 221位移。第二鍵盤單元4可樞接於第一鍵盤單元3,而 :選擇性呈現開啟狀態或蓋合狀態，並於開啟狀態及蓋 。，態之兩位置間樞轉。其中開啟狀態係第二鍵盤單元 4遠離第-鍵盤單元3而大致呈共面狀，且第二滑移部 槽）係可卡入於導引部221(導軌）。如第2圖所示， 盍口狀態係第二鍵盤單元4貼靠第一鍵盤單元3且第二 201102791 滑移部41離開導引部22工。 面對兩：二f孔43各別位於第二鍵盤單元4之-端且相 面對第一樞孔43亦可為盲孔。 連接件8可連接第一鍵盤單元 4第其::rrr端係各延伸- =二第::轴82 t入於第二鍵盤單元4之2 便第一鍵盤單元4開啟或蓋合。 觸控鍵及第第二按鍵42可為機械式按鍵或 界鍵盤單元3及第二鍵盤單元4其框體所 盤圖’其係為本發明之雙鍵 體結構示意圖。圖中結構不意圖及第二作動立 此時，第一拖站^中> 呆作者欲掀起第二鍵盤單元4， 動，而第-樞：82:以第一樞孔33為軸心作一旋轉運 動。第-_82細第二樞孔43為軸讀—旋轉運 盤單遠離第-鍵盤單元:時’第-鍵 所示），亦即，笛_ 4早元4大致呈共面狀態（如第0圖 呈同一平面，、—鍵盤單元3及第二鍵盤單元4可大致 以方便操作者推移鍵盤單元及按壓按鍵。 盤43=:圖及第8圖，其係為本發明之雙鍵 乐一作動立體結構示意圖第三作動容置 201102791 槽C-C剖面示意圖。圖中，第一鍵盤單元3及第二鍵盤 單元4(第一鍵盤單元3及第二鍵盤單元4可包含按鍵或 鍵盤單元之框體）大致呈共面狀態時，操作者施加一推移 之力量，使凸點52離開第一缺口 2221，此時，彈片5 於開孔222上位移，並且第一滑移部31及第二滑移部 41於導引部221 (如第1圖所示）位移作動。 請一併參閱第9圖及第1〇圖，其係為本發明之雙鍵 盤之電子裝置之第四作動立體結構示意圖及第四作動容 置槽D-D剖面示意圖。圖中，第一滑移部3 i及第二滑 移部41於導引部221滑移，凸點52藉由彈性回復力卡 扣於第二缺口 2222，使第一鍵盤單元3定位於一第二位 置7。當凸點52卡扣於第二缺口 2222時，顯示單元21 之置中處211適介於第一鍵盤單元3及第二鍵盤單元4 之間，而使操作者觀看顯示單元21於最佳位置，並可按 壓第-按鍵34及第二按鍵42，據以提高操作者使用鍵 盤之便利性。並且’利用第—鍵盤單元3及第二鍵盤單 元4上的按鍵，可提供更多的輸入功能，以滿足操作者 之需土。再者’第-按鍵34及第二按鍵42亦可共同組 成一完整鍵盤，例如標準QWERTY鍵盤。 、> 當使用者欲使第-鍵盤單元及第二鍵盤單元相互閉 :時’ 2由第一鍵盤單元滑動且完全容置於容置槽之位 置，此時，第二鍵盤單元之第二滑移部 槽之導引部（導軌），筮-槠般时_日 離開今置 (等軌）第一鍵盤早凡即可相對第一鍵般置 7G 3樞轉而蓋合於第一鍵盤單元以方便收納。 201102791 此外，上輕之 用一第—枢軸、—第—樞孔、—通孔、=早獨利 -彈片一導引部、一第一缺口或 ，月移部、 本發明之雙鍵盤之電子裝置。 一、口’以使用 以上所述僅為舉例性’而非為限制性者。 離本發明之精神與料，而對其進行之等效修改或變 更，均應包含於後附之申請專利範圍中。 鲁【圖式簡單說明】 第1圖係為本發明之雙鍵盤之電子裝置實施例之分解 不意圖。 第2圖係為本發明之雙鍵盤之電子裝置之立體結構示 意圖。 第3圖係為本發明之容置槽A_A剖面示意圖。 第4圖係為本發明之容置槽b-B剖面示意圖。 ® 第5圖係為本發明之雙鍵盤之電子裝置之第一作動立 體結構示意圖。 第6圖係為本發明之雙鍵盤之電子裝置之第二作動立 體結構示意圖。 第7圖係為本發明之雙鍵盤之電子裝置之第三作動立 體結構示意圖。 第8圖係為本發明之雙鍵盤之電子裝置之第三作動容 置槽C-C剖面示意圖。 201102791 第9圖係為本發明之雙鍵盤之電子裝置之第四作動立 體結構示意圖。 第10圖係為本發明之雙鍵盤之電子裝置之第四作動容 置槽D_D剖面示意圖。 【主要元件符號說明】 1:雙鍵盤之電子裝置 2:本體 21:顯示單元 211:顯示單元之置中 處 22:容置槽 221:導引部 222:開孔 2221:第一缺口 2222:第二缺口 3:第一鍵盤單元 31:第一滑移部 32:通孔 321:勾槽 33:第一樞孔 34:第一按鍵 35:框體 36:底蓋 0 37:凸塊 4:第二鍵盤單元 41:第二滑移部 42:第二按鍵 43:第二樞孔 5:彈片 51:勾部· 52:凸點 6:第一位置 7:第二位置 8:連接件 81:第一樞軸 82:第二柩軸 12According to another object of the present invention, an electronic device, a lead portion, is used for storing the electronic device of the double keyboard. When the dual keyboard is turned on, the keys accommodated by the two keyboards are used to provide more input. Features. In order to achieve the above object, according to the present invention, a dual keyboard electronic device is provided, comprising a body, a first keyboard unit, a sliding portion and a second keyboard unit. The body has a display unit and a receiving slot, and the receiving slot is located on one side of the display unit and has a guiding portion. The first keyboard unit is located in the accommodating groove and has a first sliding portion, and the first sliding portion is slid corresponding to the guiding portion. The second keyboard unit is pivotally connected to the first keyboard unit and the second keyboard unit is selectively pivotable between the two positions of the first keyboard unit and the first keyboard unit for utilizing the keys accommodated by the two keyboards. To provide more input capabilities. According to the above, the electronic device of the dual keyboard according to the present invention may have one or more of the following advantages: 201102791 The electronic device of the dual keyboard, the electronic device of the dual keyboard, the second keyboard unit The first and second sliding portions are both sliding and guiding portions of the groove, thereby improving the convenience of the user operating the keyboard. The electronic device of the keyboard can be opened by folding the double keyboard, and the buttons on the first keyboard unit and the second keyboard unit can be used to provide more input functions, so that the public can be satisfied. 1 to 4 are an exploded view, a schematic view of a three-dimensional structure, a schematic cross-sectional view of a receiving slot AA, and a cross-sectional view of a receiving slot B_B of the electronic device of the dual keyboard of the present invention. In the figure, the electronic device 1 of the dual keyboard can be applied to a portable electronic device such as a mobile phone, but not limited thereto. Dual keyboard electronic device! The main body 2 includes a first keyboard unit 3, a second keyboard unit 4, two elastic pieces 5 and a connecting member 8. The body 2 has a display unit 21 and a receiving slot 22 . The display unit 21 can be a liquid crystal screen, a touch screen or a device that can display an image surface. The accommodating groove 22 is located at one side of the display unit 21, and the accommodating groove 22 has two guiding portions 221 and an opening 222. The guiding portion 221 is a guide groove or a guide and is located inside the accommodating groove 22. In this embodiment, the two guiding portions 221 are convex guides. The opening 222 is located at the bottom of the accommodating groove 22 and has a rectangular hole. The side edges of the openings 222 have two first notches 2221 and two second notches 2222, and the two first notches 2221 and the two second notches 2222 are opposite to each other. The first keyboard unit 3 is disposed in the accommodating groove 22. And having two first slides 201102791 • a shifting portion 31, two through holes 32, two first pivot holes 33, at least one first button 34 and a bump 37, in this embodiment, the first keyboard unit 3 can be framed =35 and the bottom cover 36 are engaged. It should be noted that in this example, only a single first button 34 is shown for convenience of illustration, but naturally, a plurality of buttons may be provided, and the button form is not limited to a mechanical pressing type, and may be, for example, a capacitive sensor (cap-sensor) or the like. Form input interface. The β-th shifting portion 31 can be a guide groove or a guide rail. In the embodiment, the first-slip portion 31 is a recessed guide groove corresponding to the guide portion 221: it is displaceable in the guide portion 221 which is in the form of a guide rail. The through hole 32 is formed in the bottom cover 36. One end of the through hole 32 is connected to one end of the bottom cover, and the other end of the through hole 32 is bent. The hook groove 32 extends substantially in the center of the bottom cover 36. The bump 37 is disposed on the bottom surface of the bottom cover 36 and is interposed between the two through holes. The bump 37 is embedded in the opening 222 and is reciprocally displaceable. The elastic piece 5 can be formed in a long strip shape, and is embedded in the through hole 32. The elastic piece has a hook portion 51 and a convex portion 52. The hook portion 51 is formed by bending one end of the elastic piece 5, thereby being stuck with the hook groove 321 Hehe. The bump 52 can be snapped to the first notch 2221 by a resilient restoring force (as shown in FIGS. 3 and 4) to position the first keyboard unit 3 at a first position 6 (as shown in FIG. 2: ), or the convex point 52 is snapped to the second gap assist to position the first keyboard::3 in a second position 7. Two of the elastic pieces 5 are respectively abutted on two sides of the convex piece 37, and the hook portion 51 is embedded at one end of the convex piece 37 to prevent the elastic piece 5 from loosening and causing the falling off. In this embodiment, the bumps 52 of the two elastic pieces 5 are respectively stabilized on the two sides of the hole edge of the opening 222: It should be noted that, in this embodiment, the first keyboard unit is achieved by the cooperation of, for example, the elastic piece 5, the housing 201102791, the slot 22, the intermediate hole 222, and the like, which are disposed on the component or the part of the main body 2 or the first keyboard unit 3. 3 can temporarily locate the functions of the two preset temporary fixed positions shown in Fig. 2 and Fig. 9; however, for the institutional designers in the technical field, the temporary fixing members between the two mechanisms have various changes, so It is easy to design one of the first temporary fixing portion and the second temporary fixing portion in the other combination of the main body 3 and the first keyboard unit 3, and by the matching of the first temporary fixing portion and the second temporary fixing portion, The above-mentioned temporary fixing effect can be achieved, and is not limited to the embodiment. The two first pivot holes 33 face each other and are located on two sides of one end of the first keyboard unit 3. In this embodiment, the first pivot hole 33 can be combined by the frame 35 and the bottom cover 36 into a blind hole. The second keyboard unit 4 is pivotally connected to the first keyboard unit 3 and can slide along the first keyboard unit 3 in the receiving slot 22. The second keyboard unit 4 has two second sliding portions 41, at least one second button 42 and two second pivot holes 43. Similarly, in this example, only a single second button 42 is displayed, but naturally, a plurality of buttons can be set, and the form of the button is not particularly limited. The first slip portion 41 is a concave guide groove and is displaceable corresponding to the guide portion 221. The second keyboard unit 4 is pivotally connected to the first keyboard unit 3, and selectively presents an open state or a closed state, and is in an open state and a cover. , the position between the two positions pivoted. The open state is that the second keyboard unit 4 is substantially coplanar and away from the first keyboard unit 3, and the second sliding portion slot can be engaged with the guiding portion 221 (rail). As shown in Fig. 2, the mouth state is that the second keyboard unit 4 abuts the first keyboard unit 3 and the second 201102791 slip portion 41 leaves the guide portion 22. Facing two: the two f-holes 43 are respectively located at the end of the second keyboard unit 4 and facing the first pivot hole 43 may also be blind holes. The connecting member 8 can be connected to the first keyboard unit 4. The first::rrr end extensions -=two::the axis 82 t enters the second keyboard unit 4, and the first keyboard unit 4 is opened or closed. The touch button and the second button 42 can be a mechanical button or a keyboard unit 3 and a second keyboard unit 4. The frame of the frame is a double-key structure of the present invention. In the figure, the structure is not intended and the second action is established. At this time, the first trailer station is in the middle of the tray. The second keyboard unit 4 is moved, and the first pivot: 82: the first pivot hole 33 is used as the axis. A rotary motion. The first - _82 second second pivot hole 43 is the axis read - the rotary transport plate is away from the first - keyboard unit: when the 'first key is displayed, that is, the flute _ 4 early 4 is substantially coplanar (such as the 0th The figure is in the same plane, and the keyboard unit 3 and the second keyboard unit 4 can substantially facilitate the operator to shift the keyboard unit and press the button. The disk 43=: the figure and the figure 8 are the double keys of the present invention. 3D schematic diagram of the third actuating accommodating 201102791 slot CC. In the figure, the first keyboard unit 3 and the second keyboard unit 4 (the first keyboard unit 3 and the second keyboard unit 4 may include a button or a keyboard unit frame) When substantially in a coplanar state, the operator applies a pushing force to cause the bump 52 to leave the first notch 2221. At this time, the elastic piece 5 is displaced on the opening 222, and the first sliding portion 31 and the second sliding portion 41 is displaced at the guiding portion 221 (as shown in Fig. 1). Please refer to FIG. 9 and FIG. 1 together, which is a schematic diagram of the fourth operation of the electronic device of the dual keyboard of the present invention and the first Schematic diagram of the DD section of the four movable displacement slots. In the figure, the first slip portion 3 i and the second slide The portion 41 slides on the guiding portion 221, and the bump 52 is buckled to the second notch 2222 by the elastic restoring force, so that the first keyboard unit 3 is positioned at a second position 7. When the bump 52 is buckled to the second gap At 2222, the central portion 211 of the display unit 21 is suitably interposed between the first keyboard unit 3 and the second keyboard unit 4, so that the operator can view the display unit 21 at the optimal position, and can press the first button 34 and the first The two buttons 42 are used to improve the convenience of the operator to use the keyboard, and 'using the keys on the first keyboard unit 3 and the second keyboard unit 4 can provide more input functions to meet the needs of the operator. The first button 34 and the second button 42 may together form a complete keyboard, such as a standard QWERTY keyboard. > When the user wants to close the first keyboard unit and the second keyboard unit: '2 by the first The keyboard unit slides and is completely accommodated in the position of the accommodating groove. At this time, the guiding portion (rail) of the second sliding portion groove of the second keyboard unit is separated from the current position (equal track). The first keyboard can be pivoted and closed to the first with respect to the first key. The keyboard unit is convenient for storage. 201102791 In addition, the first one is used for pivoting, the first pivot hole, the first pivot hole, the through hole, the early guide, the shrapnel guide, the first notch or the moon shift, the present The invention relates to the electronic device of the double keyboard. The use of the above is merely an exemplification and not a limitation. The spirit and material of the present invention, and the equivalent modification or modification thereof should be It is included in the scope of the appended patent application. Lu [Simplified description of the drawings] Fig. 1 is an exploded view of an embodiment of the electronic device of the dual keyboard of the present invention. Fig. 2 is an electronic device of the dual keyboard of the present invention. FIG. 3 is a schematic cross-sectional view of the accommodating groove A_A of the present invention. Figure 4 is a schematic cross-sectional view of the receiving tank b-B of the present invention. ® Fig. 5 is a schematic view showing the first operational vertical structure of the electronic device of the dual keyboard of the present invention. Figure 6 is a schematic view showing the second active structure of the electronic device of the dual keyboard of the present invention. Figure 7 is a schematic view showing the third operational structure of the electronic device of the dual keyboard of the present invention. Figure 8 is a cross-sectional view of the third actuator housing C-C of the electronic device of the dual keyboard of the present invention. 201102791 Figure 9 is a schematic diagram showing the fourth active structure of the electronic device of the dual keyboard of the present invention. Figure 10 is a cross-sectional view showing the fourth operation receiving groove D_D of the electronic device of the dual keyboard of the present invention. [Description of main component symbols] 1: Electronic device of dual keyboard 2: Main body 21: Display unit 211: Center of display unit 22: accommodating groove 221: guiding portion 222: opening hole 2221: first notch 2222: Two notch 3: first keyboard unit 31: first sliding portion 32: through hole 321: hook groove 33: first pivot hole 34: first button 35: frame 36: bottom cover 0 37: bump 4: Two keyboard unit 41: second sliding portion 42: second button 43: second pivot hole 5: spring 51: hook portion 52: bump 6: first position 7: second position 8: connector 81: a pivot 82: the second shaft 12