1243080 玖、發明說明： 【發明所屬之技術領域】 本發明是有關於一種切斷機，特別是指一種具有方便 使用功能之切斷機護目蓋之内藏式安全鎖固裝置。 【先前技術】 ίο 15 20 參閱圖1所示，習知切斷機主要具有一鋸臂單元1、一 軸設在据臂單元1内部的圓鋸片2、以及一套設在鋸臂單元 1上可對圓鋸片2遮罩的護目蓋3，該鋸臂單元1在側邊處 設有一連動桿組（圖未示）與護目蓋3相連，使鋸臂單元1在 下壓後’濩目盍3受到連動桿組帶動而掀轉打開，圓鋸片2 得以外露而進行鑛切工作。為了讓鑛臂單元i不會因為誤 壓而使圓1§片2外露造成危險，通常該鑛臂單元1的一側 邊處會設置一可對護目蓋3具有播止作用的鎖固裝置1〇。 同時參關2所示，該鎖㈣置1()具有—固設麵臂單元 1側邊處的固疋座11、-軸樞在固定座U 一側周的把手件 12 ^在把手件12上提供彈復力的彈性件ο、一轴梅 戶$ %周與把手件12作連動接觸的連動件141243080 发明 Description of the invention: [Technical field to which the invention belongs] The present invention relates to a cutting machine, and more particularly to a built-in safety locking device for a protective cover of a cutting machine with a convenient use function. [Prior art] 15 20 As shown in FIG. 1, the conventional cutting machine mainly includes a saw arm unit 1, a circular saw blade with an axis provided inside the data arm unit 1, and a set provided on the saw arm unit 1. The eye protection cover 3 can be covered by the circular saw blade 2. The saw arm unit 1 is provided with a linkage rod group (not shown) at the side and is connected to the eye protection cover 3, so that the saw arm unit 1 is pressed down after being pressed. Head 3 was opened by the linkage rod group, and the circular saw blade 2 was exposed for mining. In order to prevent the mine arm unit i from exposing the circle 1 § piece 2 due to accidental pressure, a lock device can be provided at one side of the mine arm unit 1 which can stop the eye cover 3 1〇. As shown in reference 2 at the same time, the lock 1 (1) has-a fixed seat 11 at the side of the fixed surface arm unit 1, a handle piece 12 with a shaft pivot on one side of the fixed seat U ^ on the handle piece 12 An elastic member for providing elastic force on the upper surface, a link member 14 in a shaft contact with the handle member 12
、以及-套接錢動件14末端處可伸進 的卡抵件15，該護目$ 1 W 該卡抵件15具有-擎:㈣疋部位處具有一凹孔训， 員5 1可插套入該凹孔3 〇 1肉 u ll 可阻播護目蓋3的掀_作，· 01内，错此 與護目蓋3達成連動 早70 1以連動桿組 帶地整個H臂單元丨^瓜在無法掀轉的情形下，連 干凡1亦無法下壓，Μ此a 用，當操作者要正常谁〜4 精此達到女全閉鎖的功 订錯切動作時’要先按麼該把手件 5 10 15 1243080 y作動該卡抵件15向外側位移，使 脫離’使護目蓋3可活動掀轉，錯臂單元二正 吊地進行下壓鋸切工作。 上述鎖固裝置10確實可對護目蓋3達到_作用，但 用上仍有需要改進的地方，通常在錯臂單元丨的側 部处還會連接-把手單元⑽未示），其主要是提供操作者手 持，以操作鑛臂…進行下㈣切動作，然而在進 丁下[鑛切動作之两，必須先解除該鎖固裝置⑺對護目蓋 3的閉鎖狀態’由於鎖固裝置1G與把手單元兩者是獨立分 開的構件’因此操作者每次要進行錯切動作時，通常要一 手先㈣鎖固裝置1G的把手件12，另外—隻手再握持把手 ㈣單元1下麼’整個動作需要兩手才能完成， ❹上相當不方便，而且該項動作無法—氣呼成，操作速 又丨又=付阿效率的工作需求。另外，該鎖固裝置10外露 在鑛臂單元1外部，由於在現場工作環境中經常會產生碎 屑飛塵’往往容易藏納在鎖固裝置1G上，若沒有經常予以 清理’鎖固裝置U)可能因積垢而導致操作卡滯不順。 【發明内容】 因此，本發明主要目的是提供—種方便操作使用之切 斷機護目蓋之内藏式安全鎖固裝置。 於是，本發明提供-種切斷機護目蓋之内藏式安全鎖 固裝置’該切斷機具有一鑛臂單元、—轴設在錯臂單元内 的圓鑛>5套③在錯臂單70内可對SUg片作遮罩的護 目蓋、以及-固設在鑛臂單元側邊處可供手部按壓的把手 20 1243080 單元，料目蓋接近把手單元的一外側具有一凸緣， 2鑛臂早7L内壁面之間相距有—空隙，該把手單元在側 邊處設有-安全按鍵，該安全按鍵向内延伸有— ， =鎖固裝置具有一固定座、一卡抵件及一彈性件，該 座固接在鑛臂單元側邊且緊鄰該把手單元的下方户，立 ίο 15 =形:有-容室;該卡抵件轴設在固定座容:内；活 動k轉’其上方具有-穿伸至把手單^部可接受安 鍵作動端接觸帶動的受控端，其下方具有-穿伸至鑛臂單 元内部可對護目蓋凸緣作卡抵·受控端被作 動端帶動時’可令抵止端移至該空隙與凸緣形成脫擎；兮 弹性件套設彈抵在該卡抵件上，使抵止端可朝 彈移。 ^ …本㈣之功效主要是利用安全按鍵帶動内藏式卡抵件 對4目蓋作卡_卩箱’藉以達到方便快速使用的效果。 【實施方式】 、有關本發明之前述及其他技術内容、特點與功效，在 以下配口翏考圖式之—較佳實施例的詳細說明巾，將可清 楚的明白。 芩閱圖3、圖4,本發明切斷機護目蓋之内藏式安全鎖 固裝置在一較佳實施例中，該切斷機20具有一鋸臂單元21 轴5又在鋸臂單元21内部的圓錯片22、-套設在錯臂單 :21内可對圓錯片22作遮罩的護目蓋u、—固設在鑛臂 皁:21側邊處可供手部按壓的把手單元24、以及-設在把 手早凡24側邊處的安全按鍵25，該錯臂單^ 21内壁面在 20 1243080 預定位置處開設有一槽孔211，該護目蓋23在接近把手單 兀24的一外側具有一凸緣231，該凸緣231與鋸臂單元u 内壁面之間相距有一空隙I。參閱圖5，該安全按鍵25軸 樞在把手單元24内部，其具有一露出在把手單元24外周 5 可供手部按壓的按鍵面25 1以及一向内延伸的作動端252， 把手單元24底壁面在鄰近作動端252的位置處開設有一長 孔241。參閱圖6,該鎖固裝置3〇主要包含有一固定座^ 、一固定螺絲32、一軸銷33、一卡抵件Μ及一彈性件％ ，接著，再將上述各構件的形狀及組合情形詳述於后。 10 該固定座31係略呈長矩形狀的座體，其兩側處具有二 穿孔311，可供二固定螺絲32穿入並鎖固接在鋸臂單元u 側邊壁板上，再參閱圖4所示，該固^座31緊鄰貼靠在把 手單元24的下方處，其頂面對應該把手單元24長孔ay 的，置處開設有-透孔312，而固定座31内部凹空形成有 15 —容室313，該軸銷33可由固定座31側邊橫穿置入於容室 3 13 内。 該卡抵件34係略呈N形狀的桿體，位於中段部位處且 有=可供軸銷33穿入的耳部341，使卡抵件34得以轴設在 固定座31容室313内可活動擺轉，卡抵件34上方具有一 2〇 党控端342 ’該受控端342由固定座31透孔312穿出後， 可伸至把手早το 24的長孔241 0，剛好可接受安全按鍵25 作動端252作接觸帶動，卡抵件34下方具有一具相當長度 的抵止端343 ’該抵止端343可由槽孔叫穿伸至鑛臂單元 21内部’其端緣剛好可對護目i23凸緣231作卡抵接觸， 1243080 如圖7所示。 5 10 15 20 該彈性件35在本實施例中係採用扭轉彈簧，其套設在 該軸銷33上，一端彈抵在該卡抵件34的受控端342，另一 端則鉤止在固定座31頂面透孔312，剛好提供卡抵件“抵 止端343具有朝向護目蓋23凸緣231方向彈移的力量。 以上即為本發明切斷機護目蓋之内藏式安全鎖固裝置 各構件形狀及組合空間型態的概述；接著，再將本發明的 動作以及預期所能達成之功效陳述如后： 參閱圖8，當操作者要開始進行鋸切工作時，只需一手 握持該把手單元24即可操作，操作者以姆料對安^按鍵 25的按鍵面251作壓抵，安全按鍵25會作一插#，可 動端252帶動卡抵件34的受控端⑷朝向靠近鑛7 的方向作位移。 =閱圖9’當卡抵件34上端的受控端⑷被帶動位移 :’由於卡抵件34中端是軸樞在固定座31内部， 護二擺動’位於下端的抵止端343會朝向遠離 :與”單…壁之間的空隙Τ位置 ^ I:的卡掣，此時護目蓋23即可自由地作掀轉 4閱圖10,同時間操作者可一併下壓把 動整個錯臂單亓从 疋24’帶 … 下麼動作，使護目蓋23得以掀榦， 開而露出圓艇了乂做轉打 22’如此即可快速順利地完成鑛切工作。 主要：為；：：明切斷機護目蓋之内藏式安全鎖固裝置， 為了解決習知鎖固|詈 衣置10的刼作問題，本發明運用 ίο 15 20 1243080 二：手f是在一固定座31内部藏設-卡抵件34，該卡抵 件34上端與把手輩一 虚謹"”你 的女全按鍵25作成連動，下端 閉鎖狀能、’ 知鍵25按壓就可以解除護目蓋23的 :鎖狀恶’亚且直接下屢把手單元24 進行下壓鑛切動作，整個操作動作相當快速且方便= 外IS抵件34内藏在固定座31内不與外界接觸，可隔絕 外部飛塵碎屑掉入，内部各嫉从比 能，你用…内#母-構件皆可保持在最佳運作狀 心使用奇命也可更加長久。 惟以上所述者，僅為本發明之一較佳實施例而已，告 不成以此限定本發明實施之範圍，即大凡依本發明申^ 利乾圍及發明說明書内容 間早的專效變化與修飾， 白應屬本發明專利涵蓋之範圍内。 【囷式簡單說明】 圖1是習知切斷機的組合圖，說明在一鑛臂單元側邊 處設有-鎖固裝置可對—護目蓋作卡掣閉鎖； 圖2疋圖1沿2-2線的組合剖視圖； 圖3是本發明切斷機護目蓋之内藏式安全鎖固裝置— 較佳實施例的組合立體圖’說明本發明鎖固裝置裝設在一 鋸臂單元側邊且緊鄰一把手單元下方的位置； 圖4疋上述較佳實施例的組合剖視圖； 圖5是上述較佳實施例把手單元的組合圖，說明該把 早凡内部軸樞有一安全按鍵與鎖固裝置連動的情形； 圖6是上述較佳實施例鎖固裝置的組合圖，說明盆主 10 1243080 要包含有一固定座、__. 具有-…方具—有一1止及端—;彈性件’該卡抵件上方 抵二抵件的 圖8是上述較佳實施例的觸)的情形； 鍵後帶動受控端移動的情形；作圖㈠，說明按壓安全按 圖9疋上述較佳貫施例的動作圖(二) ίο 端在移動後，連動該抵止端與護目蓋作脫離的^卡抵件受控 圖10是上述較佳實施例的動作圖，、^二及 卡抵件脫離後，下壓錯臂單元八^ "兒明護目蓋與 7蠖目蓋掀轉的情形。 1243080 【圖式之主要元件代表符號說明】 20 <… 切斷機 21 鋸臂單元 211 槽孔 TL·… 圓鋸片 2 3 > * * 護目蓋 231 凸緣 24 ^ 把手單元 241… 長孔 25，… 安全按鍵 251… 按鍵面 252… 作動端 3 0 鎖固裝置 31 4 a * 固定座 311 穿孔 312 透孔 313… 容室 32 > 固定螺絲 33 軸銷 3 4 … 卡抵件 341… 耳部 342 受控端 343… 抵止端 35，* 彈性件 12And,-the card contact piece 15 which can be extended at the end of the socket 14 and the eye protection is $ 1 W. The card contact piece 15 has a -hole: a recessed hole training at the ㈣ 疋 part, the member 5 1 can be inserted Sleeve into the recess 3 〇1 meat u ll can prevent the lifting of the eye cover 3, within 01, wrongly reached the linkage with the eye cover 3 as early as 70 1 to link the entire H arm unit with the rod group 丨^ Under the circumstances that can't be turned, even Ganfan 1 can't be pressed down. This is used when the operator wants to be normal ~ 4. When it reaches the function of the women's full lock, it will be wrong. The handle piece 5 10 15 1243080 y actuates the latching piece 15 to be displaced to the outside, so that the disengagement allows the eye protection cover 3 to be movably tilted, and the wrong arm unit 2 is hanging downward to perform the sawing work. The above locking device 10 can indeed achieve the function of the eye cover 3, but there is still room for improvement. Usually, it is connected at the side of the wrong arm unit (the handle unit is not shown), which is mainly Provide the operator to hold the hand to operate the mine arm ... to perform the undercut operation, but in the case of [the two operations of the cut operation, the locking device must be released first> the locked state of the eye cover 3 'due to the locking device 1G It is a separate and separate component from the handle unit '. Therefore, each time the operator wants to make a wrong cutting action, he usually has to hold the handle piece 12 of the locking device 1G with one hand, and in addition—hold the handle ㈣ unit 1 with only one hand? 'The entire action requires two hands to complete, it is quite inconvenient to carry on, and the action cannot be breath-breathed, and the speed of operation is also equal to the work needs of paying efficiency. In addition, the locking device 10 is exposed outside the mine arm unit 1, because debris and dust are often generated in the field working environment, it is often easy to be stored on the locking device 1G, if it is not cleaned often, the locking device U ) The operation may be stuck due to dirt. [Summary of the Invention] Therefore, the main object of the present invention is to provide a built-in safety locking device for the protective cover of the cutting machine which is convenient for operation and use. Therefore, the present invention provides a built-in safety locking device of a cutting machine's eye cover. The cutting machine has a mine arm unit and a round ore whose shaft is arranged in a wrong arm unit> 5 sets The eyepiece cover in the arm sheet 70 can be used as a cover for the SUg sheet, and a handle 20 1243080 unit fixed on the side of the mine arm unit for hand pressing, and the outer side of the material cover close to the handle unit has a convex Edge, there is a gap between the inner walls of the 2 mine arms and the 7L. The handle unit is provided with a -security button at the side. The security button extends inwardly. = The locking device has a fixed seat and a snap-in. Piece and an elastic piece, the seat is fixedly connected to the side of the mine arm unit and immediately adjacent to the lower part of the handle unit, and stands 15: shape: there is-the chamber; the card abutment shaft is provided in the fixed seat capacity: inside; movable The top of the k-turn has-the penetrating and extending to the handle ^ part can accept the controlled end of the actuating end of the controlled end of the touch control, and the bottom of the-penetrating and extending to the inside of the mine arm unit can be snapped to the eye cover flange When the control end is driven by the actuating end, the abutment end can be moved to the gap to form a detachment from the flange; the elastic member is set to spring against the The card abutment member that abuts the end stop can be moved toward the bomb. ^… The function of this card is mainly to use the security button to drive the built-in card contact piece to the 4-eye cover as a card _ box to achieve the effect of convenient and fast use. [Embodiment] With regard to the foregoing and other technical contents, features and effects of the present invention, a detailed description of the preferred embodiment of the diagram in the following description will be clearly understood. Looking at Figures 3 and 4, in a preferred embodiment, the built-in safety locking device of the protective cover of the cutting machine of the present invention, the cutting machine 20 has a saw arm unit 21, and the shaft 5 is in the saw arm unit. 21, the round wrong piece 22,-set on the wrong arm sheet: 21 can be used as a cover for the round wrong piece 22 u,-fixed on the mine arm soap: 21 side can be pressed by the hand The handle unit 24 and the safety button 25 provided at the side of the handle 24, the inner wall surface of the wrong arm ^ 21 is provided with a slot 211 at a predetermined position 20 1243080, and the eye cover 23 is close to the handle sheet A flange 231 is provided on an outer side of the wooden frame 24, and a gap I is formed between the flange 231 and the inner wall surface of the saw arm unit u. Referring to FIG. 5, the safety button 25 is pivoted inside the handle unit 24 and has a button surface 25 1 exposed on the outer periphery 5 of the handle unit 24 and can be pressed by a hand and an operating end 252 extending inward. The bottom wall surface of the handle unit 24 A long hole 241 is provided at a position adjacent to the actuating end 252. Referring to FIG. 6, the locking device 30 mainly includes a fixing base ^, a fixing screw 32, a shaft pin 33, an abutment member M, and an elastic member. Then, the shape and combination of the above components are described in detail. Described later. 10 The fixing base 31 is a slightly long rectangular base. Two perforations 311 are provided on both sides of the fixing base 31. The two fixing screws 32 can be inserted and locked on the side wall panel of the saw arm unit u, see FIG. 4 again. As shown, the fixed seat 31 abuts directly below the handle unit 24, and the top surface thereof faces the long hole ay of the handle unit 24, and a through hole 312 is opened at the place, and the inside of the fixed seat 31 is hollow. 15—Receiving chamber 313. The shaft pin 33 can be inserted into the receiving chamber 3 13 through the side of the fixed seat 31. The latching member 34 is a slightly N-shaped rod body, which is located at the middle section and has an ear portion 341 that can be penetrated by the shaft pin 33, so that the latching member 34 can be shaft-mounted in the receiving space 313 of the fixed seat 31. Swing in motion, there is a 20 party control end 342 above the card abutment member 34. The controlled end 342 is penetrated by the through hole 312 of the fixed seat 31 and can reach the long hole 2410 of the handle το 24, just acceptable. The actuation end 252 of the safety button 25 is brought into contact, and there is an abutment end 343 with a considerable length below the latching member 34. The abutment end 343 can be penetrated and extended into the mine arm unit 21 by a slot hole, and its end edge is just right. The eye protection i23 flange 231 makes abutting contact, and 1243080 is shown in FIG. 7. 5 10 15 20 In this embodiment, the elastic member 35 is a torsion spring, which is sleeved on the shaft pin 33, and one end of the elastic member 35 abuts against the controlled end 342 of the latching member 34, and the other end is hooked and fixed. The through hole 312 on the top surface of the seat 31 just provides the card abutment member. The "abutting end 343 has a force of springing toward the flange 231 of the eye protection cover 23. The above is the built-in safety lock of the eye protection cover of the cutting machine of the present invention. An overview of the shape of the various components of the solid device and the combined space type; then, the actions of the present invention and the expected effects can be stated as follows: Referring to Figure 8, when the operator wants to start the sawing work, only one hand is needed It can be operated by holding the handle unit 24. The operator presses the key surface 251 of the safety button 25 with a material, and the safety button 25 inserts a #. The movable end 252 drives the controlled end of the card abutment 34. Make a displacement toward the direction near the mine 7. = See Fig. 9 'When the controlled end of the upper end of the abutment member 34 is driven to displace:' Because the middle end of the abutment member 34 is a pivot in the fixed seat 31, the second guard swings' The abutting end 343 at the lower end will face away from: the position T between the "and ..." wall ^ I: At this time, the eye protection cover 23 can be tilted freely. See Figure 10 at the same time. At the same time, the operator can simultaneously press and move the entire wrong arm from the 疋 24 'belt ... The cover 23 was lifted to dryness, and the round boat was exposed to make a turn 22 ', so that the mining work can be completed quickly and smoothly. Mainly: For ::: Built-in safety locking device of the eye shield of the cutting machine. In order to solve the problem of the conventional locking | fixing device 10, the present invention uses 1520 1243080 2: The hand f is in one There is a card-retaining member 34 inside the fixing seat 31. The upper end of the card-retaining member 34 is modestly linked with the handlebar "" your female all-in-one button 25 is linked, the lower end can be locked, and you can release the protection by pressing the button 25 Eyepiece 23: Lock-shaped wicks and directly lower the handle unit 24 to carry out the ore-cutting operation. The entire operation is quite fast and convenient. The outer IS contact piece 34 is built in the fixed seat 31 without contact with the outside world. Isolate the external flying dust and debris from falling, the internal jealousy and specific energy, you can use the inner # mother-components to keep the best operation. You can also use the strange life for a long time. But the above is only for the sake of this. It is only a preferred embodiment of the invention, and it is not possible to limit the scope of the present invention, that is, the early special changes and modifications between Liganwei and the contents of the invention specification according to the present invention, which should be covered by the patent of the present invention [Simplified description of the formula] Figure 1 is the conventional The combination diagram of the machine shutdown shows that a locking device is provided at the side of a mine boom unit to lock the eye cover with a latch; Figure 2 疋 Figure 1 is a sectional view taken along line 2-2; Built-in safety locking device of the protective cover of the cutting machine of the invention-a combined perspective view of the preferred embodiment 'illustrates that the locking device of the invention is installed on the side of a saw arm unit and immediately below a handle unit; Figure 4 疋The combined sectional view of the above-mentioned preferred embodiment; Figure 5 is a combined view of the handle unit of the above-mentioned preferred embodiment, illustrating the situation where the safety button is interlocked with the early internal pivot; Figure 6 is the above-mentioned preferred embodiment The combination diagram of the locking device shows that the basin owner 10 1243080 should include a fixed seat, __. It has -... square tools-there is 1 stop and end-; the elastic member 'the card abuts the two abutting parts. Figure 8 is the above The case of touching) of the preferred embodiment; the situation where the controlled end moves after the key is pressed; drawing 说明, which illustrates the safety of pressing according to FIG. 9 疋 the above-mentioned preferred embodiment of the embodiment (2) ίο after the end moves The abutting end is separated from the eye cover by the ^ card abutment controlled. Figure 10 is The action diagram of the above-mentioned preferred embodiment, after the two and the card abutment parts are disengaged, the wrong arm unit eight is pressed down and the child's eye protection cover and 7's eye protection cover are turned up. 1243080 [Main components of the drawing Explanation of Representative Symbols] 20 < ... cutting machine 21 saw arm unit 211 slot TL ... circular saw blade 2 3 > * * eye cover 231 flange 24 ^ handle unit 241 ... long hole 25, ... safety button 251 … Button surface 252… Actuating end 3 0 Locking device 31 4 a * Fixing base 311 Perforation 312 Through hole 313… Receiving chamber 32 > Fixing screw 33 Shaft pin 3 4… Snap-in part 341… Ear 342 Controlled end 343 … The abutting end 35, * the elastic piece 12