發明說明： 【發明所屬的技術領域】 特別是指一種採用下 具有易拆式定位板的 本發明是有關於一種字鍵裝置， 壓方式將一架橋自一定位板拆離之 字鍵裝置。 【先前技術】 如圖1、2、3所示，申請人所申請並已核准的第 8 6 2 21 181 AO 1號「鍵盤字鍵結構（九）追加（一）」新型專利 案的字鍵結構10是安裝於一鍵盤20，該字鍵結構1〇呈 有一定位板11’ 一鋪置在該定位板11頂面並具有可觸通 電路的多數接點的電路板12、一安置在該電路板12頂面 的彈性件13、一組設於該底板11的架橋14，及一組結在 該架橋14與該彈性件13頂端的鍵帽15。 該定位板11具有呈反向設置的一導移部111及一才區 播部113 ;該導移部111具有一自該底板11朝向頂端沖 設成倒L形的導移塊112，該樞擋部113具有一擋塊114 及二彎弧限位塊115。 該架橋14具有相互樞結並可擺動的一第一框架141 及一第二框架145;該第一框架141具有成一體的一第一 樞柱142,自該第一樞柱142朝向一端延伸的二樞桿143， 及成型在該二柩桿143之間並可受限於該導移塊11 2線性 位移的第一位移柱144 ;該第二框架145具有一可迫壓入 該撞塊114與該二限位塊115之間並可原位轉動的第二樞 柱146，自該第二樞柱146朝向一端延伸並分別樞結該二 1224803 樞桿143的二側桿147，及成型於該二側桿147開放端的 k 二第二位移柱148。 . 5 該鍵帽15具有設置於底面並各設有一樞孔以迫 壓樞結該第一樞柱142的二樞塊151，及分別設有導軌可 供該二第二位移柱148滑設的二導座153。 當按壓該鍵帽15時，可使該第一框架141以該第一 樞柱142為支軸擺動、該第二樞架145以該第二樞柱146 為支軸擺動，進而可降低高度並使該彈性件13被擠壓變 - 10 形且觸通該電路板12，當釋放該鍵帽15時，可藉由該彈 _ 性件13的回復彈力促使該第一框架141與該第二框架145 、 及該鍵帽15復位。 該字鍵結構10是採用向下壓裝方式將該第一樞柱 * 15 142迫壓入該樞孔152中，將該第二樞柱146迫壓入該擂 . 塊114與該二限位塊115之間，以使該第一框架i4i、該 第二框架145可分別以該第一樞柱142、該第二插柱146 為支軸產生擺動’但是，在將該架橋14自該定位板n上 拆離k ’須以針尖狀工具由該定位板11底面刺壓或由該_ 定位板11側面挑勾該第二樞柱146使其脫離該擋塊 20 與該二限位塊115，導致拆卸作業技巧要求高且有該架橋 14損壞率較高的缺失。 【發明内容】 力口此，本發明的目的是在提供一種採用下壓方式完成 木橋與定位板的拆卸作業，可有效降低架橋損壞率之具有 易拆式定位板的字鍵裝置。 5 1224803 本發明具有易拆式定位板的字鍵裝置，包含一定位單 元、一呈可擺動地裝設在該定位單元上的架橋、一裝.設在 該定位單元上並位於該架橋内的彈性件，及一組設於該架 橋並位於該彈性件頂端的鍵帽。 5 10 該定位單元包括一定位板及一電路板；該定位板具有 呈反向設置之一導移部、一樞擋部；該導移部具有一凸伸 出該電路板頂面的導移塊；該樞擋部具有凸伸出該電路板 頂面的至少一限位塊，及自該定位板直接沖製的一擋塊組 合體與一自然形成的沖製穿孔；該播塊組合體具有一自嗜 定位板延伸並位於該穿孔内的一較窄懸塊，一自該懸塊的 開放端成型的較寬端塊，及自該端塊的開放端朝向頂端彎 设並穿出該電路板頂面的二擔塊。 15 20 該架橋包括相互樞設可擺動的一第一框架及一第二 框架；該第一框架具有一本體，自該本體的一第一端部延 伸並可進入該樞孔内原位轉動的至少一第一樞柱，自該本 體的一第二端部長出並受限於該導移塊線性位移的一第 一位移柱，及自該本體的二反向側面長出的二插銷；該第 一框木具有一本體，設置於該本體的一第一端部並位於該 限位塊與該擋塊之間呈可原位轉動的一第二樞柱，及自該 本體的一第二端部長出的二第二位移柱。 該鍵帽具有與該彈性件觸接的一底面，自該底面的一 第一端部長出並各設置有一樞孔供該二第一樞柱樞設的 二樞塊’設置於該底面的_第二端部並相互間隔平行供該 二第二位移柱滑設的二導塊，及對齊於該二擋塊的二壓 6 1224803 塊。 5 如此可藉由持續下壓該鍵帽使該二壓塊抵置於該二 擋塊頂端並使該懸塊彎折，進而使該擋塊組合體沉降不再 阻播該第二樞柱，終可輕易完成該架橋與該定位板的拆卸 作業，使本發明具有可有效降低架橋損壞率的特性。 【實施方式】 本發明具有易拆式定位板的字鍵裝置前述以及其他 技術内容、特點與功效，在以下配合參考圖式的數較佳實 施例的詳細說明中，將可清楚的明白。 10 15 如圖4、5所示，本發明具有易拆式定位板的字鍵裝 置該較佳實施例包含-定位單元3G，—樞設在較位單元 30上的架橋40’ -裝置在較位單元3()上並位於該架橋 40内的彈性件7〇,及—裝置在該彈性件7()頂端的鍵帽⑽。 該定位單元30包括一定位板31及一電路板刊。 该電路板38具有可觸通電路的多數接點。Description of the invention: [Technical field to which the invention belongs] In particular, the present invention relates to a word key device using a keypad with an easy-to-remove positioning plate. The keypad device detaches a bridge from a positioning plate by pressing. [Prior art] As shown in Figures 1, 2, and 3, the keypad of the new patent case No. 8 6 2 21 181 AO No. 1 "Keyboard Key Structure (9) Addition (1)" applied for and approved by the applicant The structure 10 is mounted on a keyboard 20, and the word key structure 10 presents a positioning plate 11 ', a circuit board 12, which is laid on the top surface of the positioning plate 11, and has a plurality of contacts capable of accessing a circuit, and is disposed on the An elastic member 13 on the top surface of the circuit board 12, a set of bridges 14 provided on the bottom plate 11, and a set of key caps 15 connected to the bridge 14 and the top of the elastic member 13. The positioning plate 11 has a guide moving portion 111 and an area broadcast portion 113 which are oppositely arranged; the guide moving portion 111 has a guide moving block 112 punched in an inverted L shape from the bottom plate 11 toward the top, and the pivot The stopper 113 has a stopper 114 and two curved limit stops 115. The bridge 14 has a first frame 141 and a second frame 145 pivoted to each other. The first frame 141 has a first pivot post 142 integrally extending from the first pivot post 142 toward one end. Two pivot rods 143, and a first displacement column 144 formed between the two rods 143 and limited by the linear displacement of the guide block 112; the second frame 145 has a crash block 114 that can be pressed into A second pivot post 146 that can be rotated in situ between the two limit blocks 115, and extends from the second pivot post 146 toward one end and pivotally connects the two side rods 147 of the two 1224803 pivot rods 143, and is formed in K two second displacement posts 148 at the open ends of the two side bars 147. 5 The keycap 15 has two pivot blocks 151 provided on the bottom surface and each being provided with a pivot hole to compress the first pivot post 142, and a guide rail for the second displacement post 148 to slide. Two guides 153. When the keycap 15 is pressed, the first frame 141 can be swung with the first pivot 142 as a fulcrum, and the second pivot 145 can be swung with the second pivot 146 as a fulcrum, thereby reducing the height and The elastic member 13 is squeezed into a -10 shape and touches the circuit board 12. When the keycap 15 is released, the first frame 141 and the second frame can be promoted by the returning elastic force of the elastic member 13. The frame 145 and the keycap 15 are reset. The word key structure 10 is to press down the first pivot column * 15 142 into the pivot hole 152, and press the second pivot column 146 into the cymbal. Block 114 and the two limit positions Between the blocks 115 so that the first frame i4i and the second frame 145 can swing with the first pivot 142 and the second insert 146 as supporting shafts, respectively; The detachment k 'on the plate n must be punctured by the bottom of the positioning plate 11 with a needle-point tool or by the side of the positioning plate 11 to hook the second pivot post 146 to disengage it from the stopper 20 and the two limit blocks 115 This results in the lack of high demand for disassembly operation skills and high damage rate of the bridge 14. [Summary of the Invention] The objective of the present invention is to provide a word key device with an easy-to-remove positioning plate that can be used to complete the disassembly of a wooden bridge and a positioning plate by using a pressing method, which can effectively reduce the damage rate of the bridge. 5 1224803 The word key device with an easy-to-remove positioning plate according to the present invention includes a positioning unit, a bridge that is swingably mounted on the positioning unit, and a mounting device. An elastic member and a set of keycaps disposed on the bridge and located at the top of the elastic member. 5 10 The positioning unit includes a positioning plate and a circuit board; the positioning plate has a guide portion and a pivot portion arranged in an opposite direction; the guide portion has a guide movement protruding from the top surface of the circuit board The pivot block has at least one limiting block protruding from the top surface of the circuit board, and a block assembly directly punched from the positioning board and a naturally formed punched hole; the sowing block assembly There is a narrower suspension block extending from the tropic positioning plate and located in the perforation, a wider end block formed from the open end of the suspension block, and bent from the open end of the end block toward the top and passing through the Two load blocks on the top surface of the circuit board. 15 20 The bridge includes a first frame and a second frame which are pivotably pivoted to each other; the first frame has a main body which extends from a first end of the main body and can rotate in-situ into the pivot hole; At least a first pivot post, a first displacement post extending from a second end of the body and limited by the linear displacement of the guide block, and two bolts growing from two opposite sides of the body; the The first frame wood has a main body, a second pivot post which is disposed at a first end portion of the main body and rotates in situ between the stopper and the stopper, and a second pivotal part from the main body. Two second displacement columns are drawn out at the ends. The keycap has a bottom surface that is in contact with the elastic member, and is protruded from a first end of the bottom surface, and each is provided with a pivot hole for the two pivot blocks for the two first pivot pillars to be disposed on the bottom surface. The second end is spaced from each other in parallel with two guide blocks for slidingly positioning the two second displacement columns, and two pressure blocks 6 1224803 aligned with the two stop blocks. 5 In this way, by continuously pressing down the keycap, the two pressure blocks abut against the top of the two stops and the suspension is bent, so that the stopper assembly is no longer blocking the second pivot post, Finally, the disassembly operation of the bridge and the positioning plate can be easily completed, so that the invention has the characteristics of effectively reducing the damage rate of the bridge. [Embodiment] The foregoing and other technical contents, features, and functions of the word key device with an easy-to-remove positioning plate of the present invention will be clearly understood in the following detailed description of several preferred embodiments with reference to the drawings. 10 15 As shown in FIGS. 4 and 5, the word key device with an easy-to-remove positioning plate according to the present invention. The preferred embodiment includes a positioning unit 3G and a bridge 40 ′ pivotally mounted on the positioning unit 30. An elastic member 70 on the bit unit 3 () and located in the bridge 40, and—a keycap 装置 mounted on the top of the elastic member 7 (). The positioning unit 30 includes a positioning plate 31 and a circuit board. The circuit board 38 has a plurality of contacts that can contact the circuit.
忒疋位板3 1疋由金屬薄板製成，包括分別設置於呈万 向之-第-端部3U、-第二端部312的—樞擋部34及一 導移部32 〇The position plate 3 1 疋 is made of a thin metal plate, and includes a pivot portion 34 and a guide portion 32 which are respectively disposed at the first end portion 3U and the second end portion 312 in a universal direction.
20 該導移部32具有自該定位板31直接沖製凸伸出該電 路板38頂面並略呈倒L形且開口朝向該第二端部312的一 導移塊33。 ;該樞播部34具有分別自較位板31直接沖製凸伸出 該電路板38頂面並略呈倒L形且開π朝向該第_端㈣^ 的二限位塊35 —位於該二限位塊35的開口側並彼此間 7 1224803 隔的擒塊組合體36，及一形成在該擋塊組合體36周圍的 沖製穿孔37。該擋塊組合體36具有一自該定位板31朝向 該限位塊35延伸並位於該穿孔37内的較窄懸塊361，自 該懸塊361的開放端延伸的較寬端塊362，及分別自該端 塊362的二反向側端朝向頂端彎設的二擋塊363。 該架橋40包括相互樞設可擺動的一第一框架5〇及一 第二框架00 〇 該第一框架50具有一本體51，設置於該本體51供該 彈性件70容置的一容置孔（圖未示），自該本體51的一第 一端部511朝外延伸的平行二連結塊53,自該二連結塊53 的開放端長出的二第一樞柱54,設置於該本體51的一第 一鈿部512並置入該導移塊33内而受限於該導移塊33產 生線性位移的一第一位移柱55，及自該本體51之呈反向 設置的二旁側面長出的二樞軸5 6。 该第二框架60具有一本體6卜一設置於該本體61供 該第一框架50容置並形成有二間隔侧桿63的一容置孔（圖 未示）’分別設置於該二側桿63並可套設於該二樞轴56外 以使該第一框架50與該第二框架6〇柩結的二框孔64，及 分別設置於該二側桿63的反向一第一端部〇卜一第二端 部632的一第二樞柱65與二第二位移柱％。 該第二樞柱65是迫壓置入該拖擔部34之限位塊^ 與擋塊組合體36之間並可原位轉動。 該彈性件70是以彈性材（例如橡膠）製成，是坐置在該 電路板38頂面並位於該第一框架5〇的容置孔内。 8 該鍵帽80包括一與該彈性件7〇觸接的底自8i，自該 底面81的—第—端部811長出的二枢塊82，設置於該底 面81的一第二端部812並相互間隔的二導座83 ,及設置 5 於該第—端部811並對齊該二擋塊363的二壓柱84。 每一樞塊82各具有一樞孔821。 每一導塊83各具有一自該底面81垂向長出並略呈二 形的連結壁831，一自該連結壁831的開放端面彎設平行 於該底面81的導壁832,及一由該連結壁831與該導壁832 及該底面81所配合形成並具有呈反向的一開放端與一封 10 閉端的導移空間833。 組裝時，先備妥該定位單元30與該彈性件7〇，再將 該第一框架50的第一位移柱55先滑置入該導移塊33,將 該第二框架60的第二樞柱65迫壓置入該樞擋部34之限位 塊35與擋塊組合體36之間，之後，將該彈性件7〇置入該 15 第一框架50的容置孔内並坐置在該電路板38上，續將該 鍵帽80置於該彈性件7〇上，然後施力下壓該鍵帽8〇的第 二端部812，則可使該二第二位移柱66自該二導塊83的 開放知進入讓導移空間833内並可產生線性位移，最後， 施予下壓該鍵帽80的第一端部811，則可使該二第一樞柱 !〇 54進入该一樞孔821内；如此就完成該鍵帽80與該架橋 40及該定位單元30的組裝作業。 如圖6、7所示，要拆卸該架橋40時，是對該鐽帽 80施一持續下壓力，則可使該第一框架50與該第二框架 60產生擺動並使該鍵帽80高度降低及該二壓柱84恰位於 9 1224803 該二擋塊363頂端，如圖8 .、9所示，之後，可藉由該二 壓柱84壓置該二擋塊363並施予其一下壓力，促使該懸塊 5 361產生彎撓而使該二擋塊363沉降，此時，因為該二擋 塊363 [不再阻擋該第二樞柱65，相對地該第二框柱& 可脫離該限位塊35與該擋塊組合體36，進而可完成該第 二框架60與該定位板31的拆卸作業，續可輕易將該第一 位移柱55拆離該導移塊33 ,終完成該架橋4〇與該定位板 3 1的拆卸作業。 10 此外，如圖1 0所示，藉由將該端塊362的開放端部# 朝向頂端彎設成一擋塊364,及在該鍵帽80的底面81對 齊於該擔塊364設置-壓塊（圖未示），同樣具有因該撞塊 組合體36的懸塊361可彎撓使該擋塊364呈可沉降設計， 故可方便完成該架橋40與該定位板31之拆卸作業的又使用. 特性。 15 20 值得-提的是’如圖1 i所示，亦可利用一工具9〇 直接下Μ㈣塊361 ’可使該懸塊361 f撓進而使該擋塊 363沉降，同樣可方便完成該架橋4〇與該定位板η之拆 卸作業，而且可省略該鍵帽8〇之壓柱料。 歸納上述，本發明具有易拆式定位板的字鍵裝置具有 如下所述的功效及優點，故確能達成發明目的： 本發明是採用下遷該定位板31的方式完成該架橋4〇 ㈣定位板31的拆卸作業，因為不須刺、挑該架橋40的 弟—枢柱65就可完成與該定位板31的拆離作業，所以具 有可有效降低該架橋40的損壞率及可輕易完成拆卸作業 10 1224803 的功效及優點。 惟以上所述者，僅為本發明的數較佳實施例而已，當 不能以此限定本發明實施的範圍，即大凡依本發明申請專 利範圍及發明說明書内容所作的簡單的等效變化與修 5 飾，皆應仍屬本發明專利涵蓋的範圍内。 【圓式簡單說明】 圖1疋第86221181 AO 1號專利案的^一外觀圖，說明將 數字鍵結構裝設在一鍵盤上的狀態； 圖2是第86221181A01號專利案的一分解立體； 1〇 圖3疋苐86221181 AO 1號專利案的一侧視剖視圖； 圖4疋本發明具有易拆式定位板的字鍵裝置一較佳實 施例的一側視剖視圖，說明一鍵帽與一架橋及一定仅單元 呈組裝狀態，及該鍵帽位於第一高度位置； 圖5是該較佳實施例的一局部立體圖，說明在一定位 15 板的一樞播部設置一擔塊組合體； 圖6是一類似於圖4的視圖，說明讓下壓該鍵帽使其 位於一第二高度位置及二壓塊恰位於二擋塊頂端的狀態； 圖7是該較佳實施例的一局部剖視圖，說明該鍵帽位 於該第二高度位置； 20 圖8是一類似於圖β的視圖，說明持續下壓該鍵帽使 其位於一第三高度位置及二擋塊沉降的狀態； 圖9是一類似於圖7的視圖，說明該二擋塊沉降的狀 態； 圖1 0疋本發明另一較佳實施例的局部立體圖，說明 11 1224803 在該樞擋部設置另一擋塊組合體；及 圖1 1是一類似於圖4的視圖，說明使用一工具下壓 一懸塊使該擋塊沉降的狀態。 12 1224803 【圖式的主要元件代表符號說明】 30定位單元 3 11第一端部 32導移部 34樞擋部 36擋塊組合體 3 6 2端塊 364擋塊 3 8電路板 50第一框架 5 11第一端部 5 3連結塊 55第一位移柱 60第二框架 63側桿 632第二端部 65第二樞柱 70彈性件 81底面 812第二端部 8 21樞孔 831連結壁 833導移空間 90工具 3 1定位板 312第二端部 33導移塊 35限位塊 361懸塊 363擋塊 37穿孔 40架橋 51本體 512第二端部 54第一樞柱 5 6樞軸 61本體 631第一端部 6 4彳區孔 66第二位移柱 80鍵帽 811第一端部 8 2極塊 83導塊 832導壁 84壓塊20 The guide portion 32 has a guide block 33 which is directly punched from the positioning plate 31 and protrudes from the top surface of the circuit board 38, is slightly inverted L-shaped, and opens toward the second end portion 312. The pivoting part 34 has two limiting blocks 35 directly punched from the positioning plate 31 and protrudes from the top surface of the circuit board 38 and is slightly inverted L-shaped and opens π toward the _ end ㈣ ^. Two stop blocks 35 are located on the open side of the stop block assembly 36 and separated from each other by 7 1224803, and a punched hole 37 is formed around the stop block assembly 36. The stopper assembly 36 has a narrower suspension block 361 extending from the positioning plate 31 toward the limiting block 35 and located in the perforation 37, a wider end block 362 extending from the open end of the suspension block 361, and Two stoppers 363 are respectively bent from the two opposite side ends of the end block 362 toward the top. The bridge 40 includes a first frame 50 and a second frame 00 which are pivotably pivoted to each other. The first frame 50 has a main body 51, and an accommodating hole provided in the main body 51 for receiving the elastic member 70. (Not shown), two parallel connecting blocks 53 extending outward from a first end portion 511 of the main body 51, and two first pivot posts 54 extending from the open ends of the two connecting blocks 53 are disposed on the main body A first protuberance 512 of 51 is placed in the guide block 33 in parallel and is restricted by a first displacement column 55 which is linearly displaced by the guide block 33, and opposite sides of the main body 51 which are oppositely disposed. Two pivots 5 6 grow from the side. The second frame 60 has a main body 6 and a receiving hole (not shown) provided on the main body 61 for receiving the first frame 50 and formed with two spaced side bars 63, respectively. 63 can be sleeved outside the two pivot shafts 56 so that the first frame 50 and the second frame 60 are knotted into two frame holes 64, and are respectively provided at the opposite first ends of the two side rods 63 A second pivot column 65 and two second displacement columns of the second end portion 632. The second pivot column 65 is pressed between the limiting block ^ of the tow portion 34 and the stopper assembly 36 and can rotate in place. The elastic member 70 is made of an elastic material (such as rubber), and is seated on the top surface of the circuit board 38 and located in the accommodation hole of the first frame 50. 8 The keycap 80 includes a bottom end 8i which is in contact with the elastic member 70, and two pivot blocks 82 which grow from the first end portion 811 of the bottom surface 81, and are disposed on a second end portion of the bottom surface 81. 812 and two guide bases 83 spaced from each other, and two pressure posts 84 disposed at the first end portion 811 and aligned with the two stoppers 363. Each pivot block 82 has a pivot hole 821. Each guide block 83 has a connecting wall 831 that grows vertically from the bottom surface 81 and has a slightly two-shaped shape. A guide wall 832 that is parallel to the bottom surface 81 is bent from the open end surface of the connecting wall 831, and The connecting wall 831 is formed in cooperation with the guide wall 832 and the bottom surface 81 and has a guide space 833 with an open end in the opposite direction and a closed end 10. When assembling, first prepare the positioning unit 30 and the elastic member 70, and then slide the first displacement column 55 of the first frame 50 into the guide block 33 and the second pivot of the second frame 60. The column 65 is forcedly inserted between the stopper 35 of the pivot portion 34 and the stopper assembly 36, and then the elastic member 70 is placed in the accommodation hole of the 15 first frame 50 and is seated on On the circuit board 38, continuing to place the keycap 80 on the elastic member 70, and then pressing down the second end portion 812 of the keycap 80 to force the two second displacement posts 66 from the The opening of the second guide block 83 enters the guide movement space 833 and can generate a linear displacement. Finally, the first end 811 of the keycap 80 is pressed down, so that the two first pivot posts can be entered! The pivot hole 821 is inside; thus, the assembling operation of the keycap 80 with the bridge 40 and the positioning unit 30 is completed. As shown in FIGS. 6 and 7, when the bridge 40 is to be disassembled, a constant downward pressure is applied to the cap 80, so that the first frame 50 and the second frame 60 can swing and the height of the keycap 80 can be increased. Lower and the second pressure column 84 is located at the top of the second stopper 363 at 9 1224803, as shown in FIGS. 8 and 9. After that, the second pressure stopper 363 can be pressed by the second pressure column 84 and given a lower pressure. To cause the suspension block 5 361 to bend and cause the second stopper 363 to settle. At this time, because the second stopper 363 [is no longer blocking the second pivot 65, the second frame post is relatively detachable. The limiting block 35 and the stopper assembly 36 can complete the disassembly of the second frame 60 and the positioning plate 31, and the first displacement column 55 can be easily detached from the guide block 33, which is finally completed. Disassembly of the bridge 40 and the positioning plate 31. 10 In addition, as shown in FIG. 10, a stop 364 is set by bending the open end # of the end block 362 toward the top, and the bottom surface 81 of the keycap 80 is aligned with the support block 364 to set a pressure. The block (not shown) also has the suspension block 361 of the hitting block assembly 36 which can be bent to make the stopper 364 a sinkable design, so it can easily complete the disassembly operation of the bridge 40 and the positioning plate 31. Use. Features. 15 20 It is worth mentioning that 'as shown in Figure 1i, you can also use a tool 90 to directly lower the M block 361' can deflect the suspension block 361 f and cause the stop block 363 to settle, which can also facilitate the completion of the bridge. 40 and the disassembly operation of the positioning plate η, and the pressing material of the keycap 80 can be omitted. To sum up, the word key device with an easy-to-remove positioning plate of the present invention has the following functions and advantages, so it can indeed achieve the purpose of the invention: The present invention uses the method of moving the positioning plate 31 down to complete the positioning of the bridge 40. The disassembling operation of the plate 31 does not need to stab and pick the younger brother of the bridge 40-the pivot 65 can complete the detachment operation from the positioning plate 31, so it can effectively reduce the damage rate of the bridge 40 and easily complete the disassembly. The efficacy and advantages of homework 10 1224803. However, the above are only a few preferred embodiments of the present invention. When the scope of implementation of the present invention cannot be limited by this, that is, simple equivalent changes and modifications made in accordance with the scope of the patent application and the contents of the invention specification 5 Decorations should still fall within the scope of the invention patent. [Circular brief description] Fig. 1 外观 an external view of Patent No. 86221181 AO 1 illustrates the state where the number key structure is installed on a keyboard; Figure 2 is an exploded perspective of Patent No. 86221181A01; 1 〇Figure 3 疋 苐 86221181 AO Patent No. 1 side cross-sectional view; Figure 4 疋 Side view of a preferred embodiment of the word key device with an easy-to-remove positioning plate, illustrating a keycap and a bridge And only certain units are in an assembled state, and the keycap is at the first height position; FIG. 5 is a partial perspective view of the preferred embodiment, illustrating the setting of a load-bearing block assembly at a pivoting portion for positioning 15 plates; FIG. 6 is a view similar to FIG. 4, illustrating a state in which the keycap is pushed down to a second height position and the second pressing block is just at the top of the second stop; FIG. 7 is a partial sectional view of the preferred embodiment , The keycap is located at the second height position; FIG. 8 is a view similar to FIG. Β, illustrating the state that the keycap is continuously depressed to a third height position and the two stoppers are settled; FIG. 9 is A view similar to FIG. 7 illustrating the two stops FIG. 10 is a partial perspective view of another preferred embodiment of the present invention, illustrating 11 1224803 another stopper assembly is provided at the pivot portion; and FIG. 11 is a view similar to FIG. 4, illustrating A state in which the stopper is settled by using a tool to push down a suspension block. 12 1224803 [Description of the main components of the diagram] 30 Positioning unit 3 11 First end 32 Guide portion 34 Pivot stop 36 Block stop 3 6 2 End block 364 Stop 3 8 Circuit board 50 First frame 5 11 first end 5 3 connecting block 55 first displacement column 60 second frame 63 side bar 632 second end 65 second pivot 70 elastic member 81 bottom surface 812 second end 8 21 pivot hole 831 connecting wall 833 Guide space 90 tools 3 1 positioning plate 312 second end 33 guide block 35 limit block 361 suspension block 363 stop 37 perforation 40 bridge 51 body 512 second end 54 first pivot 5 6 pivot 61 body 631 first end 6 4 area hole 66 second displacement column 80 key cap 811 first end 8 2 pole block 83 guide block 832 guide wall 84 pressure block
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