200811893 -九、發明說明： ^【發明所屬之技術領域】 -本發明係關於一種按鍵結構及應用該結構之攜帶型 電子裝置。 【先前技術】 請參考圖1及圖2，一種習知攜帶型電子裝置按鍵結 構，其包括複數按鍵12、一固持件14及一基座16。所述 _ 基座16於一面設有與所述按鍵12對應之定位塊162，於 另一面設有與定位塊162相對之抵頂部164。所述固持件 14由彈性材料製成，其開設有與各個定位塊162形狀大致 相同之開孔142，該固持件14藉由所述開孔142可緊套於 各個定位塊162上。所述按鍵12藉由點膠方式固定於其 對應之定位塊162上，操作時，按壓按鍵12使其對應之 抵頂部164往下而接通相應電路，實現一定之操作功能。 φ 所述按鍵結構藉由固持件套於各個定位塊162上，於 疋程度上限制了定位塊162向四周傾斜，然而爲滿足攜 π型電子裝置薄型化發展趨勢，於按鍵設計時減少固持件 Μ及定位塊162之厚度，從而犧牲了按鍵12應有之結構 強度，基座16受到外力時因變形而易脫離固持件14，從 而與按鍵12脫離，於轉角處易樞出按鍵12，當攜帶型電 子裝置摔落於地上時，按鍵12易脫離攜帶型電子裝置。 【發明内容】 有鑒於此，有必要提供一種防止按鍵脫離之按鍵結構 200811893 . 及應用該結構之攜帶型電子裝置。 ^ 一種按鍵結構，其包括至少一按鍵、一基座及一固持 件，所述基座設有固定部，所述按鍵固定於所述固定部 上，所述固持件設有與所述固定部相配合之卡固部，所述 固定部形成有開槽，所述卡固部形成有加強肋，所述加強 肋容置於所述開槽内。 一種攜帶型電子裝置，其具有殼體、固定於殼體内之 電路板及按鍵結構，所述按鍵結構包括至少一按鍵、一基 • 座及一固持件，所述基座設有固定部，所述按鍵固定於所 述固定部上，所述固持件設有與所述固定部相配合之卡固 部，所述固定部形成有開槽，所述卡固部形成有加強肋， 所述加強肋容置於所述開槽内，所述電路板設有與按鍵對 應之功能電路。 — 一種按鍵結構，其包括一第一按鍵及第二按鍵、一基 座及一固持件，其中第一按鍵底部設有一抵觸部，所述基 座設有與所述第一按鍵及第二按鍵分別對應之第一固定 部及第二固定部，所述第一按鍵及第二按鍵分別固定於第 一固定部及第二固定部，其中第一固定部開設有一通孔以 容置第一按鍵之抵觸部，所述固持件設有與所述第一固定 部及第二固定部相配合之第一卡固部及第二卡固部，所述 第一固定部及第二固定部皆形成有開槽，所述第一卡固部 及第二卡固部皆形成有加強肋，所述加強肋容置於所述開 槽内。 相較習知技術，所述按鍵結構設計成固定部由開槽分 200811893 .隔成複數部分，並相應於固持件上之卡固部增加 .開槽之加強肋，從而加強了固持件夾緊定位塊之力=，诘 .少了基座受到外力時與固持件脫離從而發生脫鍵之二π;。' 所述攜帶型電子裝置採用所述按鍵結構，摔落二=。 免發生脫鍵現象。 洛％可避 【實施方式】200811893 - IX. Description of the invention: ^ [Technical field to which the invention pertains] - The present invention relates to a key structure and a portable electronic device using the same. [Prior Art] Referring to Figures 1 and 2, a conventional portable electronic device key structure includes a plurality of keys 12, a holding member 14, and a base 16. The pedestal 16 is provided with a positioning block 162 corresponding to the button 12 on one side and an abutting top 164 opposite to the positioning block 162 on the other side. The holding member 14 is made of an elastic material, and defines an opening 142 having substantially the same shape as each of the positioning blocks 162. The holding member 14 can be tightly sleeved on each of the positioning blocks 162 by the opening 142. The button 12 is fixed on its corresponding positioning block 162 by means of dispensing. In operation, the button 12 is pressed to correspond to the top 164 and the corresponding circuit is turned on to realize a certain operational function. φ The button structure is sleeved on each of the positioning blocks 162 by the holding member, which limits the positioning block 162 to the periphery. However, in order to meet the trend of thinning the π-type electronic device, the holding member is reduced during the button design. Μ and the thickness of the positioning block 162, thereby sacrificing the structural strength of the button 12, the base 16 is easily disengaged from the holding member 14 when subjected to an external force, thereby being separated from the button 12, and the button 12 is easily pivoted at the corner. When the portable electronic device is dropped on the ground, the button 12 is easily separated from the portable electronic device. SUMMARY OF THE INVENTION In view of the above, it is necessary to provide a key structure for preventing a key from being detached from 200811893 and a portable electronic device using the same. ^ A button structure, comprising at least one button, a base and a holding member, the base is provided with a fixing portion, the button is fixed on the fixing portion, and the holding member is provided with the fixing portion The fastening portion is formed with a slot, and the fastening portion is formed with a reinforcing rib, and the reinforcing rib is received in the slot. A portable electronic device has a housing, a circuit board fixed in the housing, and a button structure. The button structure includes at least one button, a base and a holding member, and the base is provided with a fixing portion. The button is fixed on the fixing portion, the holding member is provided with a fastening portion that cooperates with the fixing portion, the fixing portion is formed with a slot, and the fastening portion is formed with a reinforcing rib, The reinforcing rib is placed in the slot, and the circuit board is provided with a functional circuit corresponding to the button. - a button structure, comprising a first button and a second button, a base and a holding member, wherein the bottom of the first button is provided with an abutting portion, and the base is provided with the first button and the second button The first fixing portion and the second fixing portion are respectively fixed to the first fixing portion and the second fixing portion, wherein the first fixing portion defines a through hole for receiving the first button The first holding portion and the second fixing portion are matched with the first fixing portion and the second fixing portion, and the first fixing portion and the second fixing portion are formed. The first fastening portion and the second fastening portion are formed with reinforcing ribs, and the reinforcing ribs are received in the slots. Compared with the prior art, the button structure is designed such that the fixing portion is divided into a plurality of portions by the slotted portion 200811893, and corresponding to the fixing portion on the holding member, the grooved reinforcing rib is strengthened, thereby reinforcing the clamping of the holding member. The force of the positioning block =, 诘. The susceptor is detached from the holding member when the external force is subjected to an external force, so that the detachment occurs. The portable electronic device adopts the button structure and falls two=. Avoid the phenomenon of off-linking. Lo % can be avoided [embodiment]
本發明之按鍵結構以應用於攜帶型電子聿置 ^以說明’該攜帶型電子裝置包括殼體及安裝^ ^ 電路板，該殼體上開設有複數通孔。 内之 ^ 2、彡HI本發明較佳實施例之按鍵結構包括按途 基座30及一固持件40,所述按鍵22、 ^固疋於該基座30上，該固持件4〇與該基座如、: 接，該固持件40固定於殼體上。 工 所述按鍵22、24、26可由塑膠材質或銘材製 狀均大致爲長方形。按鍵22爲一體成型，豆且 / ，，該按鍵22包括一操作面222及一底面224，該月匕 ^中間凹陷’以便分割按鍵22成二功能區，該底面以 舄平面。按鍵24爲單魏鍵，其具有—弧形操作面Μ 及:底面244。按鍵26爲單功能鍵，其具有-操作面262 ^一底面264，底面264中部延伸出抵觸部266，該抵觸 部266與一功能電路對應，當按鍵26受壓時，該抵觸部 266可導通該電路。 請同時參照圖4，該基座30可由彈性材料製成，其材 質優選爲橡膠。該基座3〇大致爲長方形狀，其具有一第 200811893 一 一表面32及一第二表面34。該第一表面32凸出形成有一 第一固定部36、一第二固定部37及一第三固定部38，所 述第一固定部36、第二固定部37及第三固定部38之形狀 分別與按鍵22、24、26大致相同，所述按鍵22、24、26 可藉由枯膠分別固定於所述第一固定部36、第二固定部 37及第三固定部38上。所述第一固定部36包括定位塊 362、364，所述定位塊362、364間隔設置，從而形成開 槽366 ;所述第二固定部37包括定位塊372、374 ’所述 ⑩ 定位塊372、374間隔設置，從而形成開槽376 ;所述第三 固定部38包括定位塊382、384 ’間隔設置’從而形成開 槽386，定位塊382上開設有一通孔368，以供容置按鍵 26之抵觸部266。該第二表面34形成有抵頂部342、344、 346，所述抵頂部342、344、346分別對應一功能電路， 所述抵頂部342、344、346受壓時可導通電路板上對應之 電路，從而實現按鍵之功能。 ⑩ 該固持件40大致爲一長方形框架，其具有彈性，該 固持件優選橡膠材質，該固持件40可固定於攜帶型電子 裝置之殼體上。該固持件40包括本體42及二鎖定部44， 二鎖定部44分別位於本體42之兩端。該本體42爲板狀， 其包括第一卡固部46、第二卡固部47及第三卡固部48， 所述第一卡固部46、第二卡固部47及第三卡固部48分別 用於卡固第一固定部36、第二固定部37及第三固定部 38。所述第一卡固部46包括間隔設置之開孔462、464， 所述開孔462、464之間形成一加強肋466，開孔462與定 9 200811893 位塊362、開孔464與定位塊364及加強肋466與開槽366 、均爲緊配合；所述第二卡固部47包括間隔設置之開孔 472、474，所述開孔472、474之間形成一加強肋476，開 孔472與定位塊372、開孔474與定位塊374及加強肋476 與開槽376均爲緊配合；所述第三卡固部48包括間隔設 置之開孔482、484，所述開孔482、484之間形成一加強 肋486，開孔482與定位塊382、開孔484與定位塊384 及加強肋486與開槽386均爲緊配合。所述鎖定部44分 Φ 別從本體42兩端部延伸出來，並彎折成“L”型，藉由所 述鎖定部44可將固持件40固定於殼體上。 裝配時，先將基座30之定位塊362、364、372、374、 382、384分別穿過固持件40之開孔462、464、472、474、 482、484，使加強肋466、476、486分別容置於開槽366、 376、386 内，從而套緊定位塊 362、364、372、374、382、 384 ;再藉由點膠方式，將按鍵22、24、26之底面224、 244、264分別固定於第一固定部36、第二固定部37及第 三固定部38上，同時使按鍵26之抵觸部266容置於通孔 368内；最後將各按鍵22、24、26穿過殼體之通孔，並使 固持件40之鎖定部44固定於殼體上，使基座30位於電 路板上，此時安裝完成。 所述按鍵結構設計成基座30上之固定部36、37、38 分別由開槽366、376、386分隔成兩部分，並相應於固持 件40上之卡固部46、47、48增加了分別容置於開槽366、 376、386内之加強肋466、476、486，從而加強了固持件 200811893 40 夾緊定位塊 362、364、372、374、382、384 之力度， ， 減少了基座30受到外力時與固持件40脫離從而發生脫鍵 之情況。 纛 可以理解，本發明按鍵結構基座30之固定部36、37、 38可分別包括多個定位塊，從而形成多個開槽，相應地固 持件40之卡固部46、47、48設有與所述多個開槽相配合 之多個加強肋。 可以理解，本發明按鍵結構可包括多個按鍵及相應數 . 目之固持部及卡固部；本發明按鍵結構亦可根據需要減少 一個或二個按鍵及其相對應的固持部及卡固部。 綜上所述，本發明確已符合發明專利要件，爰依法提 出專利申請。惟，以上所述者僅為本發明之較佳實施方 式，舉凡熟悉本案技藝之人士，在援依本案發明精神所作 之等效修飾或變化，皆應包含於以下之申請專利範圍内。 【圖式簡單說明】 • 圖1係習知按鍵結構之分解示意圖； 圖2係習知按鍵結構之脫鍵時之狀態示意圖； 圖3係本發明較佳實施方式按鍵結構之分解示意圖； 圖4係本發明較佳實施方式按鍵結構之組裝示意圖。 【主要元件符號說明】 (習知） 11 200811893 按鍵 12 固持件 14 開孔 142 基座 16 定位塊 162 抵頂部 164 (本發明） 按鍵 22 > 24 、 26 操作面 222 > 242 > 262 底面 224、244、264 抵觸部 266 基座 30 第一表面 32 第二表面 34 抵頂部 342、344、346 第一固定部 36 開槽 366、376、386 定位塊 362、364、372、374、382、384 通孔 368 第二固定部 —37 第三固定部 38 固持件 40 本體 42 鎖定部 44 第一卡固部 46 力口強肋 466、 476、486 開孔 462、 464、472、 474 、 482 、 484 第二卡固部 47 第三卡固部 48The key structure of the present invention is applied to a portable electronic device. The portable electronic device includes a housing and a mounting circuit board, and the housing is provided with a plurality of through holes. The key structure of the preferred embodiment of the present invention includes a base base 30 and a holding member 40. The button 22 is fixed to the base 30, and the holding member 4 The base is connected to the housing, and the holder 40 is fixed to the housing. The buttons 22, 24, and 26 may be substantially rectangular in shape from a plastic material or a name material. The button 22 is integrally formed, and the button 22 includes an operation surface 222 and a bottom surface 224 which is recessed in the middle to divide the button 22 into two functional areas, the bottom surface being a plane. The button 24 is a single Wei button having a curved operating surface and a bottom surface 244. The button 26 is a single function button, and has a bottom surface 264. The bottom surface 264 extends from the middle portion of the bottom surface 264. The abutting portion 266 corresponds to a functional circuit. When the button 26 is pressed, the contact portion 266 can be turned on. The circuit. Referring also to Figure 4, the base 30 can be made of an elastic material, preferably of rubber. The base 3 is substantially rectangular in shape and has a surface 32 and a second surface 34 of the 200811893. The first surface 32 is formed with a first fixing portion 36, a second fixing portion 37 and a third fixing portion 38. The shapes of the first fixing portion 36, the second fixing portion 37 and the third fixing portion 38 are formed. The buttons 22, 24, and 26 are substantially respectively fixed to the first fixing portion 36, the second fixing portion 37, and the third fixing portion 38 by the glue. The first fixing portion 36 includes positioning blocks 362, 364 spaced apart to form a slot 366; the second fixing portion 37 includes positioning blocks 372, 374 'the positioning block 372 The 374 is spaced apart to form a slot 376. The third fixing portion 38 includes positioning blocks 382, 384 ' spaced apart to form a slot 386. The positioning block 382 defines a through hole 368 for receiving the button 26 The conflicting portion 266. The second surface 34 is formed with abutting top portions 342, 344, 346 respectively corresponding to a functional circuit. When the abutting top portions 342, 344, 346 are pressed, the corresponding circuit on the circuit board can be turned on. To achieve the function of the button. 10 The holding member 40 is substantially a rectangular frame having elasticity. The holding member is preferably made of rubber. The holding member 40 can be fixed to the casing of the portable electronic device. The holding member 40 includes a body 42 and two locking portions 44, and the two locking portions 44 are respectively located at two ends of the body 42. The body 42 is in the shape of a plate, and includes a first fastening portion 46, a second fastening portion 47 and a third fastening portion 48, the first fastening portion 46, the second fastening portion 47 and the third fastening portion. The portions 48 are used to clamp the first fixing portion 36, the second fixing portion 37, and the third fixing portion 38, respectively. The first fastening portion 46 includes spaced-apart openings 462 and 464. A reinforcing rib 466 is formed between the openings 462 and 464, and the opening 462 and the opening block 362, the opening 464 and the positioning block are formed. 364 and the reinforcing rib 466 and the slot 366 are tightly fitted; the second fastening portion 47 includes spaced apart openings 472, 474, and a reinforcing rib 476 is formed between the openings 472, 474. 472 and the positioning block 372, the opening 474 and the positioning block 374 and the reinforcing rib 476 and the slot 376 are tightly fitted; the third fastening portion 48 includes spaced apart openings 482, 484, the opening 482, A reinforcing rib 486 is formed between the 484, and the opening 482 and the positioning block 382, the opening 484 and the positioning block 384, and the reinforcing rib 486 and the slot 386 are tightly fitted. The locking portion 44 extends from the both end portions of the body 42 and is bent into an "L" shape. The locking portion 44 can fix the holding member 40 to the housing. When assembling, the positioning blocks 362, 364, 372, 374, 382, 384 of the base 30 are respectively passed through the openings 462, 464, 472, 474, 482, 484 of the holding member 40, so that the reinforcing ribs 466, 476, The 486 is respectively placed in the slots 366, 376, 386, so as to tighten the positioning blocks 362, 364, 372, 374, 382, 384; and then the bottom surfaces 224, 244 of the buttons 22, 24, 26 are dispensed. And 264 are respectively fixed on the first fixing portion 36, the second fixing portion 37 and the third fixing portion 38, and at the same time, the abutting portion 266 of the button 26 is received in the through hole 368; finally, the buttons 22, 24, 26 are worn. Through the through hole of the casing, and the locking portion 44 of the holding member 40 is fixed to the casing, the base 30 is placed on the circuit board, and the installation is completed. The button structure is designed such that the fixing portions 36, 37, 38 on the base 30 are respectively divided into two portions by the slots 366, 376, 386, and corresponding to the fastening portions 46, 47, 48 on the holding member 40. Reinforcing ribs 466, 476, 486 respectively received in the slots 366, 376, 386, thereby strengthening the strength of the holding member 200811893 40 clamping positioning blocks 362, 364, 372, 374, 382, 384, reducing the base When the seat 30 is subjected to an external force, it is detached from the holder 40 to cause a disengagement. It can be understood that the fixing portions 36, 37, 38 of the button structure base 30 of the present invention can respectively comprise a plurality of positioning blocks, thereby forming a plurality of slots, and correspondingly the fastening portions 46, 47, 48 of the holding member 40 are provided. a plurality of reinforcing ribs cooperating with the plurality of slots. It can be understood that the button structure of the present invention can include a plurality of buttons and a corresponding number of holding portions and a locking portion. The button structure of the present invention can also reduce one or two buttons and their corresponding holding portions and the locking portions as needed. . In summary, the present invention has indeed met the requirements of the invention patent, and has filed a patent application according to law. However, the above description is only the preferred embodiment of the present invention, and equivalent modifications or variations made by those skilled in the art will be included in the following claims. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a schematic exploded view of a conventional button structure; FIG. 2 is a schematic view showing a state of a conventional button structure when it is de-keyed; FIG. 3 is an exploded perspective view of a preferred embodiment of the present invention; The assembly diagram of the button structure of the preferred embodiment of the present invention. [Main component symbol description] (conventional) 11 200811893 Button 12 Holder 14 Opening 142 Base 16 Positioning block 162 Abutting top 164 (Invention) Button 22 > 24 , 26 Operating surface 222 > 242 > 262 Bottom 224, 244, 264 abutment 266 pedestal 30 first surface 32 second surface 34 abuts the top 342, 344, 346 first fixing portion 36 slots 366, 376, 386 positioning blocks 362, 364, 372, 374, 382, 384 through hole 368 second fixing portion - 37 third fixing portion 38 holding member 40 body 42 locking portion 44 first fastening portion 46 strength rib 466, 476, 486 opening 462, 464, 472, 474, 482, 484 second fastening portion 47 third fastening portion 48