201139829 六、發明說明： 【發明所屬之技術領域】 本發明係關於一種窗具，詳細言之’係關於具備固定 在外壁開口部之框體、以可開閉之方式支持在該框體之面 材、及安裝在比該面材更靠近室外側之處的功能面材的窗 具。 【先前技術】 以往，在具有朝室内側轉動且可打開之拉窗之内倒拉 窗（bottom-hinged inswinging window)等窗具中，為了不 與拉窗之開閉干涉，一般而言’紗窗等功能面材係安裝在 比拉窗更靠近室外側之窗框。在該窗具設置在建築物外壁 開口部之情形時，由於難以從室外側裝卸紗窗等，因此提 案有一種可從室内側進行裝卸之紗窗的固定構造（參照例 如專利文獻1及專利文獻2)。 專利文獻1及專利文獻2記載之内倒拉窗的紗窗固定 構造係構成為.藉由具備從紗窗之縱框下部朝侧方突出之 一對桿、及形成在左右之縱框之外部長腳凸片（fin)，並使 桿抵接於外部長腳凸片，即可防止脫落，並將紗窗固定在 窗框。 (先前技術文獻） (專利文獻） 專利文獻1 ·日本實公昭60-40791號公報 專利文獻2 :日本實公昭63-22293號公報 【發明内容】 322779 4 201139829 (發明所欲解決之課題） 然而，前述專利文獻1及專利文獻2所記載之習知的 - 窗具中，係構成為即使在將紗窗固定在窗框之安裝狀態、 - 及在安裝於窗框之際使紗窗之下部朝室外側傾斜之傾斜狀 ' 態的任一狀態下，亦使桿抵接於外部長腳凸片的構成。在 該構成中，紗窗之下部係在安裝狀態及傾斜狀態下位於大 致相同之縱深位置，在進行安裝或拆卸之際，紗窗之下部 會上下移動於沿著外部長腳凸片之大致相同之縱深位置。 因此，在習知之窗具中，在將拉窗朝室内側打開之狀態下， 將紗窗安裝在窗框（或予以拆卸）時，會有紗窗之下部會與 拉窗之下部干涉、而難以進行紗窗之裝卸的問題。 本發明之目的在於提供一種可防止紗窗等功能面材之 脫落，並能順暢且確實地進行裝卸之窗具。 (解決課題之手段） 本發明之窗具係具備固定在外壁開口部之框體、以可 打開之方式支持在該框體之面材、及比該面材更靠近室外 侧地安裝在前述框體的功能面材者，前述框體係具有上 框、下框及左右之縱框而構成，在該等四周之框材中之彼 此對向配置之一對框材，形成有朝橫寬方向内側延伸之橫 寬面部，而在前述功能面材中之與前述一對框材相對向之 對向邊，設置有從室内側抵接並卡止在前述橫寬面部之脫 落防止手段，前述脫落防止手段係至少具備從前述功能面 材之對向邊延伸向橫寬方向外側而設置之第1抵接部、及 從該第1抵接部離沿著該對向邊之一方側達預定距離而設 5 322779 201139829 係在將!述r 抵_ 在 —二:為=能::== ::::傾斜的傾斜狀態下，抵接於前 窗二==r窗具而言，除τ如内倒拉窗或内開 如雙重/側而打開之開閉形式者以外，亦可為 窗箅二動国〇ubiesHdingwind〇w)、單拉窗及上下拉 會4:動而打開之開閉形式者，只要是打開之面材不 式4 魏叫干涉者，則可適㈣當之開閉形 :者’就功能面材而言，並不限定於紗窗，亦可 為拖，日照或來自室外之視線的百葉窗等遮蔽面材’亦可 限定:用之換氣面材或防盜用之防盜面材’而且並未特別 功^用以裝飾窗之室外面者或利用在廣告用之招牌者等 材之功能’可作為具有適當功能之功能面材。 =據以上之本發明，除了在安裝狀態下可抵接在框材 態2面部的第！抵接部之外，亦具備在裝卸時之傾斜狀 段，抵接於橫寬面部的第2抵接部來構成脫落防止手 卸時因此藉由適當地設定第2抵接部之位置，即可防止穿 2 之功旎面材與面材之干涉。此外，在裴卸時藉由使第 骏ijt部抵接於橫寬面部，以防止功能面材之脫落，在安 態下藉由使第1抵接部抵接在橫寬面部，即可防止功 322779 6 201139829 能面材之脫落。因此可確實地防 防止裝卸時之鱼品^ 刀此面材之脫洛，同時 安裝在框體或^框^之干涉’可順暢且確實地將功能面材 次從框體拆卸，且可提升便利性。 前述i 之謝，前述第2抵接部係位在比 防止手段係具有‘二離而設置’前述脫落 間之第1接連部ΐ 接部及前述第2抵接部 以可抵接”1接迷部較佳為在前述傾斜狀態下 月〗述榼寬面部之方式構成。 抵接’由於前述第2抵接部係位在比前述第1 斜狀^下#至内側達預定距離而設置，因此在裝卸時之傾 之-接部抵接在橫寬面部時，可使功能面材 防止功能面室外側的突出量增大，且可更確實地 1抵接二:涉。再者，由於設置連接前述第 ^接/及“第2抵接部間之帛1接連部，因此即使在 =時使功能面材之傾斜角度逐漸變化時，亦可藉由使第 接連部抵接於橫寬面㈣可確實地防止魏面材之脫落。 卜在本發明之窗具中，前述脫落防止手段係且有 ^在比前述第2抵接部更靠近室内側的第3抵接部1 3抵接部較佳為在前述傾斜狀態下，以可從橫寬方向内 側抵接於與前述—對框材交叉之—方側框材的縱深面的方 式構成。 依據該構成’在脫落防止手段設置第3抵接部，在傾 斜狀下使第3抵接部抵接在_方側之框材的縱深面，藉 此在安裝於框體之際可進行功能面材相對於一方侧之框材 322779 7 201139829 的定位，且可使安裝作業性提升。 再者’在本發明之窗具中，前述脫 連接於前述第1括蛀卹B A 1 止乎#又你具·肩 抑 i接。卜及刖述第2抵接部間之篦2接連 部’該第2接連部齡估 ―: 前述安裝狀態下，以可從橫寬 面的方式構成。 沈材父又之—方側框材的縱深 =該構成，在安裝狀態下使第2接連部抵接於一方 ::材的縱深面’藉此在維持前収位狀態的情形下可 將功⑼材安裝在框體，且可使安裝作#性及安裝時之定 位精確唐摇斗。 此外，在本發明之窗具中，前述脫落防止手段係具有 設置在比前述第3抵接部更靠近室内側的第4抵接部，該 第4抵接部較佳為在前述安錄態下，以可從室外側抵接 於與前述-對框材交又之-方侧框材的橫寬面的方式構 成0 依據該構成，在脫落防止手段設置第4抵接部，在安 裝狀態下使第4抵接部抵接在一方側之框材的橫寬面，藉 此可進行沿著框體之橫寬方向之功能面材的定位，且可使 在安裝狀態下之位置精確度提升。 再者，在本發明之窗具中，前述脫落防止手段較佳為 以連接於前述第1抵接部及前述第2抵接部間之第丨接連 部、連接於前述第2抵接部及前述第3抵接部間之第2接 連部、及連接於前述第3抵接部及前述第4抵接部間之第 3接連部彼此連接而一體形成之脫落防止構件所構成，， 322779 8 201139829 脫落防止構件係固定在前述功能面材之對向邊。 依據該構成，藉由將第1接連部、第2接連部及第3 接連部所連接成一體的脫落防止構件固定在功能面材之對 向邊，則與在對向邊形成各部之情形相比較，可容易地構 成脫落防止手段’並且預鮮備對應面材之開閉形式或開 閉角度等之脫落防止構件，即可容易地對應各種窗具而進 行安裝。 【實施方式】 以下依據圖式說明作為本發明一實施形態的窗具之 内倒拉面1。在第1圖及第2圖中，内倒拉窗丨係設置在 建築物之外壁開口部而用以區隔室内空間與室外空間者， 且具備固定在外壁開口部之本體之作為框體之窗框2、以 :倒且可開閉自如之方式支持在該窗框2之作為面材的拉 窗3、及於比該拉窗3更靠近室外側之處安裝於窗框2之 作為功能面材之紗窗4而構成。窗框2係於四周分別框架 組合屬於鋁形材製之框材的上框5、下框6及左右之縱框7 而开成，拉固3係在將玻璃板14後入至四周框架組合有上 框11、下框12及左右之縱框13的内部而構成，下框12 係以轉動自如之方式支持於下框6之轉動支持部61，拉窗 3之上框11侧係朝室内側轉動而形成打開。 如第1圖所示，上框5係具有延伸向縱深方向（室内外 方向）的上框縱深面部51、及從該上框縱深面部η之室外 側端部朝下方（橫寬方向）延伸之上框橫寬面部52而構 成’在上框橫寬面部52之下端部室内侧安裝有氣密材. 322779 9 201139829 下框6係具有於轉動支持部61之下側朝上下（橫寬方向） 延伸之下框橫寬面部62、從該下框橫寬面部62之下端部 朝縱冰方向室外側延伸之下框縱深面部63、及在比該下框 縱深面部62更低之位置朝室外側下降傾斜而延伸之下框 排水面部64而形成。如第2圖所示，左右之縱框7係分別 具備朝縱深方向延伸之縱框縱深面部71、從縱框縱深面部 71之室外側端部朝橫寬方向内側延伸之作為橫寬面部的縱 框橫寬面部72而形成，在縱框橫寬面部72之前端部室内 側安裝有氣密材73。 如第3圖所示’紗窗4係在四周框架組合有上框41、 下框42及左右之縱框43的内部保持防蟲網44而構成。上 框41亦如第1圖所示，具有中空狀之上框本體411、構成 該上框本體411之上表面且在室外側具有下降斜度之階梯 狀的上表面。p 412、及從該上表面部412之室内側端緣立 起之卡止片部413而形成。下框42係具有中空狀之下框本 體42卜構成該下框本體421之下表面且在室内側具有下 ，斜度之階梯狀的下表面部422、及從該下表面部他之 至内側端緣垂下之垂下片部423而形成。此外，縱框43亦 ®所示具有中空狀之縱框本體431、及從該縱框 體431的橫寬方向外側端部(縱框7侧之端部)延伸至室 内側之延長片部432。 稽田設置在作為與左右之縱框7扪 1邊的縱框43之脫落防止構件（脫落防止手段）2(^ 上框41之卡合構件3G而安褒在窗框在該安身 322779 .1 201139829 態下，上框41之卡合片部413從室内側抵接於上框5之氣 密材53 ’並且縱框43之延長片部432從橫寬方向内侧抵 接於縱框7之氣密材73 ’且下框42之垂下片部423係隔 介些微之間隙接近下框排水面部64，藉此紗窗4形成將窗 框2之開口内部予以大致閉鎖而可防止蟲等之侵入。在 此’卡合構件30係具有固定在上框本體411之卡合構件本 體31、及從該卡合構件本體31以突出沒入自如之方式設 置在上方且貫通上框41之上表面部412的卡合突部32而 構成，以卡合突部32及卡止片部413夾持上框橫寬面部 52，藉此構成為紗窗4之上框41以不能移動之方式卡合在 上框5。 再者，如第4圖及第5圖所示，紗窗4係在將拉窗3 朝屋内侧打開之狀態下’使作為一方侧之端邊的下框仏朝 向室外側，且使作為另一側之端邊的上框41朝向室内側， 並且以朝室外侧下降傾斜之方式經由沿著拉窗^之上侧及 室外側之傾斜狀態絲在窗框2(或從窗框2拆卸）。 之際，脫落防止構件2〇會從室内側抵接或滑接於 i t部72，藉此構成為可防止紗窗4往室外側的脫 面二且在安裝狀態下，脫落防止構件2Q會抵接於 ==^_部62及下框縱深面部63’藉此構 落防止_ —不能軸之方式定位。町，說明脫 防止構件2〇之具體構成及作用。 體成構件2°係藉由彎曲加工等由金屬板材所-冓件’且具備下述構件而形成：固定在縱框本體 322779 11 201139829 431之室内面的固定片部2i. % 曲而延伸之彎曲片部22;與^亥固定片部21朝室内側贊 接連且朝橫寬方向外侧突出〆曲片部22之室内侧端緣 23;與該突出片部23之下端絡為第1抵接部的突出片部 而延伸之作為第1接連㈣彳 朝下方及室内側傾斜 之下端部接連而朝室内側延伸之。Ρ 24，與該傾斜片部24 W及與該底片部25之之室^作為第2接連部的底片部 傾斜而，㈣為第3接連::::=室内側上方 固疋片部21係藉由螺絲釘21A從室内侧固定在設置於 =框本體431之中空内部的裏板似，並以固定片部& ί板433夾持縱框本體431之室内面而鎖緊固定。此外， 裏板433係藉由與螺絲釘2U不同之螺絲釘觀預先固定 在縱框本體431之内部，而形成為即使將螺絲釘21A拆下， 裏板433亦不會脫落。此外，彎曲片部22係沿著縱框43 之延長片部432設置，在固定片部21以螺絲釘固定之狀態 下f曲片部22會抵接在延長片部432，藉此以不能移動且 不月b轉動之方式將脫落防止構件2〇固定在縱框43。 突出片部23係朝比縱框43之延長片部432更往橫寬 方向外側延伸而設置，在第2圖所示之安裝狀態下，透過 縱框7之氣密材73以從室内側可抵接在縱框橫寬面部 之方式而設置，並藉由該抵接限制紗窗4往室外側之移 動。亦即’藉由突出>{部23防止紗窗4之脫落，並且將紗 窗4之下部相對於窗框2定位在室外方向。此外，在安裝 狀態下’如第1圖所示，底片部25係從上方（橫寬方向内 322779 12 201139829 側）抵接並載置在下框縱深面部63，藉此將紗窗4定位在 上下方向，折返片部26係形成為其前端部從室外側抵 接在下框橫寬面部62，藉此將紗窗4 ^位在室内方向。藉 由該折返片部26之前端部而構成第4抵接部。 另一方面，在將紗窗4予以裝卸時之傾斜狀態下，傾 2片部24與底片部25交叉之角部24A係透過縱框7之氣 後材73以了從至内侧抵接在縱框橫寬面部π之方式而設 置，並藉由該角部24A構成第2抵接部。並且，使紗窗4 之傾斜角度大於角部24A抵接於縱框橫寬面部72之狀钱， 亦即藉由將紗窗4設為立起之傾斜㈣，即可使傾斜片部 24從室内側抵接於縱框橫寬面部72，且藉由使紗窗4之傾 ^角度變為更大，突出片部（第1抵接部）23會抵接於縱框 橫寬面部72。此外’當使角部24A、傾斜片部24、突出片 部23抵接於縱框橫寬面部72之傾斜狀態下使紗窗$下降 時底片部25與折返片部26交又之角部25A會從上方抵 接於下框橫寬面部62 ’藉此將傾斜狀態之紗窗4定位在上 下方向’且藉由該角部25A構成第3抵接部。 依據第4圖、第5圖及第6圖至第9圖，說明將以上 由4女裝於窗框2時之安裝順序。此外，將紗窗4從 窗框2拆卸之拆卸順序係為與安裝順序相反之順序，故省 略其說明。 a首先*帛4圖⑷所示，在將拉窗3朝室内側打開之狀 〜、下將傾斜狀態之紗窗4之下框42侧從該拉窗3之上側 挿入窗框2之縱樞7間’如第4圖(B)所示，使紗窗4朝室 322779 13 201139829 外側移動，直到脫落防止構件20之角部（第2抵接部）24a 從室内側抵接於縱框橫寬面部72之位置為止。 接著，如第4圖（〇及第6圖所示，使脫落防止構件 20之角部24A滑接於縱框橫寬面部72(氣密材73)，一面 防止紗窗4之脫落，一面使紗窗4朝下方移動，並使紗窗 4下降，直到該紗窗4载置在拉窗3之上側（室外側側面） 為止。此時，由於脫落防止構件之角部24A抵接於縱框 橫寬面部72，因此紗窗4之下框42的室内侧端部（垂下片 部423)係位在比拉窗3之下框42之室外侧端部更靠近室 外侧之位置，藉此使下框42、12彼此不會因紗窗4與拉窗 3而干涉。 接著，如第5圖（A)及第7圖所示，使紗窗4之上框 41侧朝室外側轉動而增大（豎起）紗窗4之傾斜角度，使脫 落防止構件2G之傾斜片部24抵接於縱框橫寬面部，一 面防止f窗4之祕，—面使紗窗4更加下降。 接著如第5圖（B)及第8圖所示，使紗窗4朝室外侧 更進步轉動，藉此使脫落防止構件2〇之突出片部（第^ 抵接部）23之下端部抵接於縱框橫寬面部^，並且使紗窗 4下降，藉此脫落防止構件2Q之角部（第3抵接部伽會 抵Γ下柩縱深面部63,以防止紗窗4之脫落，同時停止 接著，如第5圖（〇及第9 室外側轉動，脫落防止構件2〇 的整體會抵接於縱框橫寬面部 圖所示，藉由使紗窗4更朝 之突出片部（第1抵接部）23 72 ’並且脫落防止構件2〇 322779 14 201139829 載置在下框縱深面部63而將紗窗4予以定 橫寬面部心第4抵接部）26A會抵接在下框 然後，如第：圖所定位在縱深方向。 朝上側滑動，並㈣卡卡合财3⑴合突部32 卡合在上框5，藉此；：:32及上框41之卡止片部413 疋成、v、向4相對於窗框2之安裝作業。 之際，#由本實施形態，在進行紗窗4之安裝（或拆却） 下:以二 構件2〇可防止脫落，並且在傾斜狀態 片部23 2防止構件2〇之角部24卜傾斜片部24及突出 之孩縱框橫寬面部72,即可防止紗窗4 實施紗窗hi 框12之干涉’且可順暢且確實地 ^ 女裴作業（或拆卸作業）。再者，在紗窗4之 1之際’以脫落防止構件20之角部及底片部25之 順抵接於下框縱深面部63，藉此可將紗窗4定位在上 且可更卿地實施安料#。並且，在安裝狀態下， 防止構件2G之突出片部23抵接於縱框外周面部 二使折返片部26之前端部26A抵接於下框橫寬面部 此亦可在縱深方向自動地將紗窗 4予以定位。 、此外’ |發明並不限定在前述實施形態者，包 ，本發明之目的之其他構成等，以下所示之㈣ 在本發明。 ^ 3 例如’在别述實施形態中，雖例示内倒拉窗 具之一例’但本發明之窗具亦可為左右任—個之縱框^ 可在至内側開閉之内開窗，亦可為下框12側朝室内側開 322779 15 201139829 =窗。此外，本發明之窗具係除了面材轉動於室内侧而打 =開閉形式者之外，亦可為如雙重滑動窗（])〇敝 inilngWindQW)、單拉窗、上下拉窗等之義面材滑動而 打開之開閉形式者。 此▲外，於前述實施形態中，雖例示紗窗4作為功能面 ’但就本發明之功能面材而言，並不限定於紗窗4，亦 :為用以遮蔽日照或來自室外之視線的百葉窗等遮蔽面 為可利用作為換氣用之換氣面材或防盜用之防盜 =材的格子體等，而且更可制裝飾用面材或廣告用面材 荨具有適當功能或用途之功能面材。 蠻在前述實施形態中，脫落防止手段雖係以利用 工等-體成形有作為p抵接部之突出片部23、作 25及作1連=之傾斜片部24、作為第2接連部之底片部 2()、二接連部之折返片26等而構成脫落防止構件 ’旦脫㈣止手段之構成並不限定在前述實 二以不同之構件分別構成第i、第2、第3及第4抵接部， 亦可分別個別地安裝在紗窗4等功能面材，亦能 之各抵接部、第i、第2及;=之 連部二 =安裝在功能面材。此外，各抵接部或各接 形成1個或複數個構件，藉由該等構 特別地限定洛方止手段’其組合方式或構件之形態等並未 在以=中=實施本發明之最佳之構成、方法等雖 中揭露，但本發明並不限定於此。亦即，本 322779 201139829 發明雖主要特別對特定之實施形態加以圖示且說明，但在 不脫離本發明之技術思想及目的之範圍的情形下，對於以 上所述之實施形態之形狀、材質、數量及其他詳細構成， 相關業者可施加各種之變形。 因此，限定上述揭露之形狀、材質等的記載係用來使 本發明更為容易理解者，並非限定本發明者，因此排除該 等之形狀、材質等之限定的一部分或全部之限定之構件之 名稱的記載係包含在本發明者。 【圖式簡單說明】 第1圖係顯示本發明實施形態之窗具的縱剖視圖。 第2圖係顯示前述窗具之橫剖視圖。 第3圖係顯示設置在前述窗具之功能面材的斜視圖。 第4圖（A)至（C)係說明前述功能面材之安裝順序的 圖。 第5圖（A)至（C)係說明繼第4圖之後的前述功能面材 之安裝順序的圖。 第6圖係將前述功能面材之安裝順序予以放大表示之 縱剖視圖。 第7圖係將繼第6圖之後的前述功能面材之安裝順序 予以放大表示之縱剖視圖。 第8圖係將繼第7圖之後的前述功能面材之安裝順序 予以放大表示之縱剖視圖。 第9圖係將繼第8圖之後的前述功能面材之安裝順序 予以放大表示之縱剖視圖。 17 322779 201139829 【主要元件符號說明】 1 内倒拉窗（窗具） 2 窗框（框體） 3 拉窗（面材） 4 紗窗（功能面材） 5 上框 6 下框（一方侧之框材） 7 縱框（一對之框材） 11 上框 12 下框 13 縱框 20 脫落防止構件（脫落防止手段） 21 固定片部 21A 、 433A 螺絲釘 22 彎曲片部 23 突出片部（第1抵接部） 24 傾斜片部（第1接連部） 24A 角部（第2抵接部） 25 底片部（第2接連部） 25A 角部（第3抵接部） 26 折返片部（第3接連部） 26A 前端部（第4抵接部） 30 卡合構件 31 卡合構件本體 18 322779 201139829 32 卡合突部 41 上框（另一方側之端邊） 42 下框（一方側之端邊） 43 縱框（對向邊） 44 防蟲網 51 上框縱深面部 52 上框橫寬面部 53、73 氣密材 61 轉動支持部 62 下框橫寬面部（橫寬面） 63 下框縱深面部（縱深面） 64 下框排水面部 71 縱框縱深面部 72 縱框橫寬面部（橫寬面部） 411 上框本體 412 上表面部 413 卡止片部 421 下框本體 422 下表面部 423 垂下片部 431 縱框本體 432 垂下片部 433 畏板 19 322779201139829 VI. Description of the Invention: [Technical Field] The present invention relates to a window device, and in particular relates to a frame body having an opening fixed to an outer wall and supporting the face material of the frame in an openable and closable manner And a window covering of a functional surface material installed at a position closer to the outdoor side than the face material. [Prior Art] Conventionally, in a window device such as a bottom-hinged inswing window having a window that is rotatable toward the indoor side, in order not to interfere with the opening and closing of the window, generally, a screen window or the like The functional face material is mounted on the window frame closer to the outdoor side than the window. When the window device is installed in the opening of the outer wall of the building, it is difficult to attach or detach the screen window from the outdoor side. Therefore, a fixing structure for the screen which can be attached or detached from the indoor side is proposed (see, for example, Patent Document 1 and Patent Document 2) . The screen fixing structure of the inner retracting window described in Patent Document 1 and Patent Document 2 is configured to include a pair of rods protruding laterally from the lower portion of the vertical frame of the screen window, and a footstock formed outside the left and right vertical frames. The fins and the rods abut against the outer long fins prevent falling off and secure the screen to the window frame. (Prior Art Document) (Patent Document) Patent Document 1 Japanese Patent Publication No. 60-40791 (Patent Document 2) Japanese Patent Publication No. Sho 63-22293 (Summary of Invention) 322779 4 201139829 (Problem to be Solved by the Invention) However, In the conventional window device described in Patent Document 1 and Patent Document 2, the window member is attached to the window frame, and the lower portion of the screen window is placed on the outdoor side even when the window frame is fixed to the window frame. In either state of the inclined slanted state, the rod is also brought into contact with the outer long fin. In this configuration, the lower portion of the screen window is located at substantially the same depth position in the mounted state and the tilted state, and when mounted or disassembled, the lower portion of the screen window is moved up and down along substantially the same depth along the outer long leg tab. position. Therefore, in the conventional window device, when the screen window is attached to the window frame (or is detached) in a state where the window is opened toward the indoor side, the lower portion of the screen window interferes with the lower portion of the window, and is difficult to perform. The problem of loading and unloading screens. SUMMARY OF THE INVENTION An object of the present invention is to provide a window device which can prevent a functional surface material such as a screen from falling off and can be smoothly and reliably attached and detached. (Means for Solving the Problem) The window device of the present invention includes a frame fixed to the opening of the outer wall, a face material that is slidably supported by the frame, and a frame that is attached to the outdoor side of the face material. In the functional surface material of the body, the frame system has an upper frame, a lower frame, and right and left vertical frames, and one of the frame members is disposed opposite to each other in the frame material of the four sides. a horizontally extending surface portion is provided, and a falling prevention means for abutting against the horizontal side surface from the indoor side is provided in the functional surface material opposite to the pair of frame materials, and the peeling prevention means is provided. The means includes at least a first abutting portion that is provided to extend outward from the opposite side of the functional surface material in the lateral direction, and a predetermined distance from the first abutting portion from one side of the opposite side Let 5 322779 201139829 be in the range of r 在 在 在 在 在 在 = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = = It can also be a window sill in the case of an internal retractable window or an open or closed type that opens in a double/side. 〇ubiesHdingwind〇w), single pull window and up and down will be 4: move and open the open and close form, as long as the open face material is not type 4 Wei called the interferer, then it can be appropriate (four) when opening and closing shape: ' In terms of the functional surface material, it is not limited to the screen window, and the masking surface material such as the blind, the sun, or the blinds from the outdoor line of sight may also be limited to: the ventilation surface material or the anti-theft surface material for theft prevention. There is no special function for decorating the outside of the window or using the function of the signboard for advertising, etc., as a functional surface material with appropriate functions. According to the above invention, in addition to being in the mounted state, it is possible to abut the face of the frame material 2 face! In addition to the abutting portion, the second abutting portion that abuts against the horizontally wide surface is provided in addition to the slanting portion at the time of attachment and detachment, thereby preventing the hand from being detached, and thus the position of the second abutting portion is appropriately set, that is, It can prevent the interference of the surface material and the surface material. In addition, when the first yoke portion is brought into contact with the horizontally wide surface at the time of detachment, the functional surface material can be prevented from falling off, and the first contact portion can be prevented from coming into contact with the horizontally wide surface in the security state. Gong 322779 6 201139829 can fall off the surface material. Therefore, it is possible to surely prevent the fish from being detached during loading and unloading, and the interference in the frame or the frame can be smoothly and surely removed from the frame and can be lifted. Convenience. In the above-mentioned i, the second abutting portion is located at a position where the first connecting portion and the second abutting portion which are provided with the detachment between the preventing means and the second abutting portion are abuttable Preferably, the fascia is configured such that the wide portion is slid in the slanted state. The abutting portion is provided by the second abutting portion being positioned a predetermined distance from the first oblique shape to the inner side. Therefore, when the tilting-contact portion at the time of loading and unloading abuts on the horizontally wide surface portion, the functional surface material can be prevented from increasing the amount of protrusion on the outdoor side of the functional surface, and can more reliably abut the two: Since the connection portion between the second contact portion and the "second contact portion" is connected, even when the inclination angle of the functional surface material is gradually changed at the time of =, the first connection portion can be brought into contact with the lateral width. Face (4) can surely prevent the shedding of the Wei surface material. In the window device of the present invention, it is preferable that the abutting portion of the third contact portion 13 that is closer to the indoor side than the second abutting portion is in the inclined state, The inner side in the lateral direction may be configured to be in contact with the longitudinal surface of the side frame material that intersects the frame material. According to this configuration, the third contact portion is provided in the detachment prevention means, and the third contact portion is brought into contact with the longitudinal surface of the frame member on the _ side in the inclined shape, whereby the function can be performed when the frame is attached to the frame. The positioning of the face material with respect to the frame material 322779 7 201139829 on one side, and the installation workability can be improved. Further, in the window device of the present invention, the aforementioned disconnection from the first brackets B A 1 is not the same as that of the shoulders.刖 刖 刖 第 接 ’ ’ ’ ’ ’ ’ ’ ’ ’ 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该 该In the case of the installation, the second connecting portion is brought into contact with one side of the material: the depth of the material: the work can be performed in the case of maintaining the front state. (9) The material is installed in the frame, and the installation can be used for positioning and accurate positioning. Further, in the window device of the present invention, the detachment preventing means has a fourth abutting portion provided closer to the indoor side than the third abutting portion, and the fourth abutting portion is preferably in the aforementioned accommodating state. In the meantime, the second side abutting portion is provided in the detachment preventing means, and the second abutting portion is provided in the detachment preventing means in a state in which it can be abutted from the outdoor side to the laterally facing surface of the frame material. The fourth abutting portion is brought into contact with the lateral surface of the frame material on one side, whereby the positioning of the functional surface material along the lateral direction of the casing can be performed, and the positional accuracy in the mounted state can be achieved. Upgrade. Further, in the window device of the present invention, the detachment preventing means is preferably connected to the second abutting portion connected to the first abutting portion between the first abutting portion and the second abutting portion, and The second connecting portion between the third abutting portions and the third connecting portion connected between the third abutting portion and the fourth abutting portion are connected to each other and integrally formed by the falling prevention member, 322779 8 201139829 The fall prevention member is fixed to the opposite side of the aforementioned functional surface material. According to this configuration, when the separation preventing member integrally connected to the first connecting portion, the second connecting portion, and the third connecting portion is fixed to the opposite side of the functional surface material, the case where the respective portions are formed at the opposite sides is In comparison, the fall prevention means can be easily configured, and the fall prevention member such as the opening and closing form or the opening and closing angle of the face material can be easily prepared, and can be easily attached to various window devices. [Embodiment] Hereinafter, an inner pull-down surface 1 as a window device according to an embodiment of the present invention will be described with reference to the drawings. In the first and second figures, the inner retractable window sill is provided in the opening of the outer wall of the building to separate the indoor space from the outdoor space, and has a body fixed to the opening of the outer wall as a frame. The sash 2 is supported by the window 3 as a face material in the sash 2, and is attached to the sash 2 as a functional surface at a position closer to the outdoor side than the window 3 The screen 4 is formed of a material. The sash 2 is formed by combining the upper frame 5, the lower frame 6 and the left and right vertical frames 7 of the frame material made of aluminum material, and the sash 2 is inserted into the surrounding frame combination after the glass plate 14 is inserted. The upper frame 12, the lower frame 12, and the left and right vertical frames 13 are formed. The lower frame 12 is rotatably supported by the rotation support portion 61 of the lower frame 6, and the frame 11 side of the window 3 is directed toward the room. The inside rotates to form an opening. As shown in Fig. 1, the upper frame 5 has an upper frame deep surface portion 51 extending in the depth direction (indoor and outdoor directions) and an outer side end portion extending from the outdoor frame side surface η toward the lower side (lateral width direction). The upper frame is widened to the face portion 52 to form a gas-tight material attached to the inner side of the lower end portion of the upper frame laterally wide surface portion 52. 322779 9 201139829 The lower frame 6 has an upper side (lateral direction) extending from the lower side of the rotation support portion 61. The lower frame width surface portion 62 extends from the lower end portion of the lower frame lateral surface portion 62 toward the outdoor side in the vertical ice direction, and lowers toward the outdoor side at a position lower than the lower frame deep surface portion 62. It is formed by tilting and extending below the frame drainage surface portion 64. As shown in Fig. 2, the vertical frame 7 on the left and right sides respectively have a vertical frame depth portion 71 extending in the depth direction, and a longitudinal portion extending from the outdoor side end portion of the vertical frame depth portion 71 toward the inner side in the lateral direction. The frame is formed by widening the face portion 72, and an airtight material 73 is attached to the inner side of the end portion before the vertical frame widthwise surface portion 72. As shown in Fig. 3, the screen 4 is configured by holding the insect net 44 in the inner frame 41, the lower frame 42, and the left and right vertical frames 43 in the surrounding frame. As shown in Fig. 1, the upper frame 41 has a hollow upper frame body 411, a stepped upper surface constituting the upper surface of the upper frame body 411 and having a downward slope on the outdoor side. P 412 and a locking piece portion 413 rising from the inner side edge of the upper surface portion 412 are formed. The lower frame 42 has a hollow lower frame body 42 and a lower surface portion 422 which is formed on the lower surface of the lower frame body 421 and has a stepped shape on the indoor side, and a lower surface portion 422 from the lower surface portion The end edge is formed by hanging down the piece 423. Further, the vertical frame body 431 having a hollow shape as shown in the vertical frame 43 and the extending portion 432 extending from the outer end portion (the end portion on the vertical frame 7 side) of the vertical frame body 431 in the lateral direction to the indoor side . The shoal is placed in the sash prevention member (the detachment preventing means) 2 (the upper frame 41 of the upper frame 41) and is placed in the sash at the 322779. In the state of 201139829, the engaging portion 413 of the upper frame 41 abuts against the airtight material 53' of the upper frame 5 from the indoor side, and the elongated piece 432 of the vertical frame 43 abuts against the vertical frame 7 from the inner side in the lateral direction. The dense material 73' and the hanging piece portion 423 of the lower frame 42 are close to the lower frame drainage surface portion 64 with a slight gap therebetween, whereby the screen window 4 is formed to substantially block the inside of the opening of the window frame 2, thereby preventing invasion of insects or the like. The 'engagement member 30' has the engagement member body 31 fixed to the upper frame body 411, and the upper surface portion 412 of the upper frame 41 is provided above and detachably from the engagement member body 31. The engaging projection 32 is configured to sandwich the upper frame lateral surface portion 52 with the engaging projection 32 and the locking piece portion 413, whereby the upper frame 4 of the screen 4 is engaged with the upper frame 5 so as not to be movable. Furthermore, as shown in Figs. 4 and 5, the screen 4 is made to open the window 3 toward the inside of the house. The lower frame 端 of the end side of one side faces the outdoor side, and the upper frame 41 which is the end side of the other side faces the indoor side, and is inclined toward the outdoor side via the upper side and the room along the sliding window The slanted state of the outer side is detached from the sash 2 (or detached from the sash 2). The detachment preventing member 2 抵 is abutted or slidably connected to the unit portion 72 from the indoor side, thereby preventing the screen 4 from being moved to the room In the attached state, the fall prevention member 2Q abuts on the ==^_ portion 62 and the lower frame deep surface portion 63', thereby preventing the positioning by the __axis. The specific structure and function of the member 2 is formed by a metal sheet member and a member by bending or the like and having the following members: fixed to the inner surface of the vertical frame body 322779 11 201139829 431 a curved portion 22 that extends from the sheet portion 2i. The curved portion 22 that extends and extends toward the indoor side and protrudes outward in the lateral direction from the inner side edge 23 of the curved piece portion 22; and the protruding portion The lower end of the 23 is a protruding piece of the first abutting portion and extends as the first one (four). The lower end and the lower side of the indoor side are connected to each other and extend toward the indoor side. The ridge 24 is inclined with respect to the inclined piece portion 24 W and the bottom portion of the chamber portion 25 as the second connecting portion, and (4) is 3 consecutively::::= The inner side upper fixed part 21 is fixed by the screw 21A from the indoor side to the inner plate provided in the hollow interior of the frame body 431, and is fixed by the piece & 433 The inner surface of the vertical frame body 431 is locked and fixed. Further, the inner plate 433 is fixed to the inside of the vertical frame body 431 by a screw different from the screw 2U, and is formed so that even if the screw 21A is removed, the inner plate 433 will not fall off. Further, the curved piece portion 22 is provided along the extended piece portion 432 of the vertical frame 43, and the curved piece portion 22 abuts on the extended piece portion 432 in a state where the fixed piece portion 21 is fixed by a screw, thereby being unable to move and The fall prevention member 2 is fixed to the vertical frame 43 in such a manner that the moon b is not rotated. The protruding piece portion 23 is provided to extend outward in the lateral direction of the extending piece portion 432 of the vertical frame 43. In the mounted state shown in Fig. 2, the airtight material 73 that passes through the vertical frame 7 can be opened from the indoor side. It is provided in such a manner as to abut against the horizontally wide face of the vertical frame, and the movement of the screen window 4 to the outdoor side is restricted by the abutment. That is, the detachment of the screen 4 is prevented by the protrusion > portion 23, and the lower portion of the screen window 4 is positioned in the outdoor direction with respect to the sash 2. Further, in the mounted state, as shown in Fig. 1, the film portion 25 is abutted from the upper side (the side in the widthwise direction 322779 12 201139829 side) and placed on the lower frame deep surface portion 63, thereby positioning the screen 4 in the up and down direction. The folded piece portion 26 is formed such that its front end portion abuts on the lower frame laterally wide surface portion 62 from the outdoor side, whereby the screen window is positioned in the indoor direction. The fourth abutting portion is formed by the front end portion of the folded piece portion 26. On the other hand, in the inclined state in which the screen 4 is attached or detached, the corner portion 24A where the inclined portion 24 and the back sheet portion 25 intersect is passed through the gas rear material 73 of the vertical frame 7 so as to abut the vertical frame from the inside to the vertical frame It is provided so as to widen the face π, and the corner portion 24A constitutes the second abutting portion. Further, the inclination angle of the screen 4 is made larger than the angle at which the corner portion 24A abuts against the vertical frame width surface portion 72, that is, by tilting the screen window 4 (four), the inclined sheet portion 24 can be made from the indoor side. The protruding frame portion (first abutting portion) 23 abuts against the vertical frame horizontally wide portion 72 by abutting against the vertical frame horizontally wide portion 72 and by making the angle of inclination of the screen 4 larger. Further, when the corner portion 24A, the inclined piece portion 24, and the protruding piece portion 23 are brought into contact with the vertical frame laterally-wide surface portion 72, the lower portion 25A of the folded portion 26 and the folded-back piece portion 26 are separated when the screen window $ is lowered. The lower frame lateral surface portion 62' is abutted from above to thereby position the screen window 4 in the inclined state in the up-and-down direction', and the third abutting portion is constituted by the corner portion 25A. According to Fig. 4, Fig. 5 and Fig. 6 to Fig. 9, the order of installation of the above 4 is applied to the window frame 2. Further, the order of detaching the screen 4 from the window frame 2 is in the reverse order of the mounting order, so the description is omitted. a first * 帛 4 (4), in the case where the window 3 is opened toward the indoor side, and the lower frame 4 side of the screen 4 in the inclined state is inserted into the vertical arm 7 of the window frame 2 from the upper side of the window 3. As shown in Fig. 4(B), the screen 4 is moved to the outside of the chamber 322779 13 201139829 until the corner portion (second abutting portion) 24a of the fall prevention member 20 abuts against the vertical frame width portion from the indoor side. 72 positions. Next, as shown in Fig. 4 (〇 and Fig. 6), the corner portion 24A of the fall prevention member 20 is slidably attached to the vertical frame horizontally wide surface portion 72 (airtight member 73), and the screen window 4 is prevented from falling off while the screen window is being closed. 4 is moved downward, and the screen 4 is lowered until the screen 4 is placed on the upper side (outdoor side surface) of the window 3. At this time, the corner portion 24A of the falling prevention member abuts against the vertical frame portion 72. Therefore, the indoor side end portion (the hanging piece portion 423) of the lower frame 42 of the screen window 4 is positioned closer to the outdoor side than the outdoor side end portion of the frame 42 below the window 3, thereby lowering the lower frames 42, 12 The screens 4 and the window 3 are not interfered with each other. Next, as shown in Fig. 5 (A) and Fig. 7, the frame 41 side of the screen 4 is rotated toward the outdoor side to increase (erect) the screen 4 The angle of inclination causes the inclined piece portion 24 of the fall prevention member 2G to abut against the horizontally wide face portion of the vertical frame, while preventing the secret of the f window 4, and the face window 4 is further lowered. Next, as shown in Fig. 5(B) and Fig. 8 As shown in the figure, the screen window 4 is rotated more toward the outdoor side, whereby the lower end portion of the protruding piece portion (the second abutting portion) 23 of the fall prevention member 2 is abutted. The vertical frame is horizontally wide, and the screen 4 is lowered, whereby the corner portion of the preventing member 2Q is detached (the third abutting portion converges against the lower longitudinal portion 63 to prevent the screen 4 from falling off, and stops the next. As shown in Fig. 5 (the 室外 and the ninth outdoor side are rotated, the entire detachment prevention member 2 抵 abuts on the vertical frame width surface view, and the screen window 4 is further protruded toward the sheet portion (the first abutment portion) ) 23 72 'and the fall prevention member 2 〇 779 322779 14 201139829 placed on the lower frame deep surface portion 63 and the screen window 4 is set to be wide and the face fourth abutment portion 26A will abut the lower frame and then, as shown in the figure: In the depth direction, the upper side slides, and (4) the kaka joint wealth 3 (1) the joint portion 32 is engaged with the upper frame 5, whereby:: 32 and the card stop portion 413 of the upper frame 41 are formed, v, and 4 are opposite. In the case of the mounting operation of the window frame 2, in the present embodiment, under the mounting (or detachment) of the screen 4, the two members 2 are prevented from falling off, and in the inclined state portion 23 2, the member 2 is prevented. The corner portion 24 of the inclined piece portion 24 and the protruding child vertical frame laterally wide portion 72 can prevent the screen window 4 from performing the screen window hi The interference of the frame 12 can be smoothly and surely performed (or disassembled). Further, at the time of the screen window 4, the corner portion of the fall prevention member 20 and the film portion 25 are in contact with each other. The frame is deeper than the face portion 63, whereby the screen window 4 can be positioned thereon and the material can be more elegantly implemented. Further, in the mounted state, the protruding piece portion 23 of the preventing member 2G abuts against the outer peripheral surface portion of the vertical frame to make the folded piece The front end portion 26A of the portion 26 abuts on the horizontally wide face portion of the lower frame, and the screen window 4 can be automatically positioned in the depth direction. Further, the invention is not limited to the above embodiment, and the package is the other object of the present invention. The composition (etc.) shown below is in the present invention. ^ 3 For example, 'in the embodiment, the example of the inner pull-down window is exemplified', but the window device of the present invention may be a vertical frame of the left and right sides, and the window may be opened or closed to the inside. Open the lower frame 12 side toward the indoor side 322779 15 201139829 = window. In addition, the window device of the present invention may be in the form of a double-sliding window (]) 〇敝inilngWindQW), a single-drawing window, an upper pull-down window, etc., in addition to the face material rotating on the indoor side. The material is opened and closed in the form of sliding. In addition, in the above-described embodiment, the screen 4 is exemplified as the functional surface. However, the functional surface material of the present invention is not limited to the screen 4, and is a blind for shielding sunlight or the line of sight from the outside. The shielding surface can be used as a ventilation surface material for ventilation, a lattice body for anti-theft use for anti-theft, and the like, and can also be used for decorative surface materials or advertising surface materials, functional surface materials having appropriate functions or uses. . In the above-described embodiment, the detachment preventing means is formed by forming the protruding piece portion 23 as the p abutting portion, the slanting piece portion 24 as the splicing portion, and the slanting piece portion 24 as the second connecting portion. The configuration of the detachment preventing member is not limited to the above-described second, second, third, and third components. 4 The abutting portion may be separately attached to the functional surface material such as the screen window 4, and the abutting portions, the i-th, the second, and the second part of the joint portion may be attached to the functional surface material. Further, each of the abutting portions or each of the abutting portions forms one or a plurality of members, and the configuration of the interlocking means is particularly limited by the configuration, and the form of the combination or the form of the member is not the most Although the composition, method, and the like are disclosed, the present invention is not limited thereto. In other words, the present invention has been described and illustrated in detail with respect to the specific embodiments. However, the shape, material, and the embodiment of the above-described embodiments are not deviated from the scope of the technical idea and the object of the present invention. Quantity and other detailed components, the relevant industry can apply a variety of deformations. Therefore, the description of the shape, material, and the like of the above-described disclosure is used to make the present invention easier to understand, and is not limited to the inventors. Therefore, some or all of the limited components of the shape, material, and the like are excluded. The description of the name is included in the inventors. BRIEF DESCRIPTION OF THE DRAWINGS Fig. 1 is a longitudinal sectional view showing a window device according to an embodiment of the present invention. Fig. 2 is a cross-sectional view showing the aforementioned window device. Fig. 3 is a perspective view showing a functional surface material provided in the aforementioned window device. Fig. 4 (A) to (C) are views for explaining the mounting order of the aforementioned functional face material. Fig. 5 (A) to (C) are views for explaining the mounting order of the aforementioned functional face material after Fig. 4 . Fig. 6 is a longitudinal sectional view showing the mounting order of the aforementioned functional surface material in an enlarged manner. Fig. 7 is an enlarged longitudinal sectional view showing the mounting order of the aforementioned functional surface material after Fig. 6; Fig. 8 is an enlarged longitudinal sectional view showing the mounting order of the aforementioned functional surface material after Fig. 7; Fig. 9 is an enlarged longitudinal sectional view showing the mounting order of the aforementioned functional surface material after Fig. 8; 17 322779 201139829 [Description of main component symbols] 1 Inner retractable window (window) 2 Window frame (frame) 3 Window (face material) 4 Screen (functional surface material) 5 Upper frame 6 Lower frame (frame on one side) 7 Vertical frame (a pair of frame materials) 11 Upper frame 12 Lower frame 13 Vertical frame 20 Fall prevention member (drop prevention means) 21 Fixing piece 21A, 433A Screw 22 Curved piece 23 Projected piece (first arrival) 24) Inclined piece (first connecting part) 24A Corner part (2nd abutting part) 25 Negative part (2nd connecting part) 25A Corner part (3rd abutting part) 26 Folding piece part (3rd connection) 26A front end portion (fourth abutting portion) 30 engaging member 31 engaging member main body 18 322779 201139829 32 engaging projection 41 upper frame (end side of the other side) 42 lower frame (end side of one side) 43 Vertical frame (opposite side) 44 Insect net 51 Upper frame deep face 52 Upper frame horizontally wide face 53, 73 Airtight material 61 Rotary support part 62 Lower frame horizontally wide face (horizontal side) 63 Lower frame deep face ( Deep surface) 64 lower frame drainage face 71 vertical frame depth face 72 Vertical frame horizontally wide section (horizontal width) 411 Upper frame body 412 Upper surface part 413 Locking piece part 421 Lower frame body 422 Lower surface part 423 Dropped piece part 431 Vertical frame body 432 Dropped piece part 433 Fear board 19 322779