524913 A7 ___B7__________ 五、發明說明（/ ) 【發明所屬之技術領域】 本發明，係關於水錶安裝單元，其使設置於公寓住宅 等各戶供水管之水錶簡便地裝卸。 【習知技術】 以往，在供水管中，水錶係分別在其一次側（入口）及 二次側（出口 ·)連結止水栓及止回閥，當更換水錶時，先解 除與止水栓及止回閥之連結，然後再將新水錶介裝連結於 止水栓及止回閥之間。 【發明欲解決之課題】 然而，一旦從止水栓及止回閥之間拆下水錶，止水栓 及止回閥之水錶連結口之軸芯就常常互相偏位，加上由於 公寓住宅等水錶之設置場所一般係狹窄，若要將水錶之出 入口再度要領良好地連結於止水栓與止回閥之各連結口， 實爲困難，故若要在一公寓住宅將安裝於每戶之水錶全部 更換或新設，就有非常費力、費時之課題。 【用以解決課題之手段】 本發明，有鑒於上述課題，而提供一種水錶安裝單元 ，係具備分別連結水錶出入口之止水栓及止回閥，及將該 止水栓及止回閥在連結水錶出入口之軸線上以相隔比水錶 之全長爲長之間隔分開配置之基台；藉由將止水检及止回 閥固定於基台，使介裝於止水栓及止回閥間之水錶出入口 4_ _ 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) # · •線- 524913 A7 __B7 ___ 五、發明說明（>) 對應於止水栓之出口及止回閥之入口，在止水栓之出口及 止回閥之入口任一方設置伸縮管，該伸縮管係將其能在口 內部水密狀地滑動之圓形基端部以可進退自如的方式插入 該出口或該入口而構成，藉由伸縮管之伸縮，將水錶簡單 地介裝連結於止水栓及止回閥間。 【發明之實施形態】 以下，根據圖式說明本發明之一實施例。 圖1，係表示本發明之水錶安裝單元1的剖面圖。 該單元1，係具備分別連結於水錶Μ出入口 Ml、M2 之止水栓2及止回閥3，及將該止水栓2及止回閥3在連 結水錶Μ之出入口 Ml、M2之軸線上以相隔比水錶Μ之 全長（出入口 Ml、M2間之距離)爲長之間隔分開配置之基 台4。 止水栓2，係其入口 5與出口 6之流路大致成直角之 角形附副栓球止水栓，設置連通於入口 5之直線流路，並 且將本體9(於直線流路內從入口側起依序接續形成有作爲 副栓7及主栓8之球狀閥體）、與基台裝設部1〇(設置連通 於出口 6之彎管狀流路)可互相旋轉自如地連結而成。 本體9之連結端部11，係於開口端內周設置圓形面 12，並且接續於該圓形面12設置越往裏面口徑越小之推拔 面13，和該推拔面13之最小徑部接續設置小徑圓形面14 〇 在圓形面12周圍，爲將擴縮徑自如之C型彈性環15 5 本纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） (請先閱讀背面之注意事項再填寫本頁) 裝 訂： 線· 524913 A7 _____B7____ 五、發明說明（ί ) (請先閱讀背面之注意事項再填寫本頁) 配置成可出沒自如，而刻設與環15之截面形狀之直徑同~ 深度之凹槽16，並且將該凹槽16開口部端緣之連結端部 11開口端側之稜角部斜向切掉而設置斜面部Π。 基台裝設部1〇之連結端部18，係在其外周設置對應 本體9連結端部11之小徑圓形面19、推拔面20、圓形面 21及凹槽22，在小徑圓形面19周圍所凹設之Ο環槽內裝 設〇環Ρ。 凹槽22之深度係設定成，凹槽22在外力未作用於C 型彈性環15之狀態下，會內切於比本體9連結端部11之 凹槽16突出的環15之內徑側部位15a(環15之半圓狀半 截面）。 然後，當將基台裝設部10之連結端部18插入於本體 9之連結端部Η時，比該連結端部11之凹槽16突出的環 15之內徑側部位15a順沿基台裝設部10之連結端部18之 推拔面20被漸漸地往本體9之連結端部11之凹槽16內緊 壓，由於和推拔面20接續之圓形面21環15會一時擴徑沒 入於凹槽16內，當凹槽16、22彼此對應之後，環15就縮 •徑至外力未作用之初期狀態，而使環15之內徑側部位15a 內切於凹槽22而收容，本體9與基台裝設部10就藉由環 15而不會脫離並且變得可互相旋轉自如，使閥體開閉用之 操作桿23、24(和作爲副閥7及主閥8之球狀閥體相連且 往本體9外部突出而成)之突出方向能自由設定。 設置於本體9之凹槽16的斜面部17具有如下之作用 〇 6 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 524913 A7 ____ B7_______ 五、發明說明（\ ) (請先閱讀背面之注意事項再填寫本頁) 即，在本體9與基台裝設部10係如上述連結之狀態下 ，將兩者9、10朝分離方向拉開時，若不如圖6(b)形成斜 面部Π，因兩凹槽16、22之開口部端緣之各棱角部X(因 凹槽16之一方之稜角部形成斜面部17故未圖示)朝上下相 反方向推壓環15的力量，使環15擴徑，沒入於本體9之 凹槽16內，故估計該時本體9與基台裝設部10就會脫離 ，然而藉由在凹槽16設置斜面部17，如圖6(b)，因環15 之外徑側部位15b推壓斜面部17的相反力量，朝向對其傾 斜面直交之方向，即朝向基台裝設部10之凹槽22內側作 用，故不會使環15擴徑而沒入於本體9之凹槽16內，一 旦連結成一體化之止水栓2，就不能分離爲其本體9與基 台裝設部10。 止水栓2之基台裝設部1〇出口 6側(對本體9成直角 之部分），將側面25形成圓形狀，並且突設圓形鍔部26。 在基台裝設部10之出口 6設置直管狀之伸縮管29 ’ 該伸縮管29係將其能在口內部27水密狀地滑動之圓形基 端部28以可進退自如的方式插入該出口而構成。 伸縮管29，係在其圓形基端部28周圍所凹設之〇環 槽內裝設〇環P，並在較圓形基端部28更前端側，接續形 成比圓形基端部28之外徑爲小(在圖示例’係大致內切於 圓形基端部28)之既定長度之多角形側面部30 ’在伸縮管 29最前端之開口部端面設置固接有襯墊S之凸緣，並且在 伸縮管29最前端設置接合螺帽等接頭構件U ’用以連結於 水錶Μ之入口 Ml。 7 _ 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 524913 A7 ___B7_____ 五、發明說明（f ) 又，在圖示例，雖僅在主閥8之操作桿24裝配把手 24a，然在副閥7之操作桿23亦可適宜裝配未圖示之把手 〇 又，止水栓2，不一定使用上述構成之球形止水栓， 其他構成之止水栓亦可，又基台裝設部10，雖表示彎管狀 者’然而直管者亦可，本體9與基台裝設部1〇之連結端部 Η、18亦可爲互相相反之構造，即構成爲：將本體9之連 結端部11插入於基台裝設部10之連結端部18。 止回閥3，係形成爲角形，即形成其入口 31與出口 32之流路爲大致直角，在連通於入口 31之直線流路內內 裝防止從二次側逆流至一次側之閥體33來構成基台裝設部 34，在入口 31之開口部端面設置固裝襯墊S之凸緣，在入 口 31設置接合螺帽等之接頭構件U。 並且，設置於止回閥3之入口 31側之基台裝設部34 ’形成側面35爲圓形狀，且突設圓形鍔部36。 又，止回閥3，雖表示其出口 32側係彎曲成彎管狀之 角形者，然而亦可將入口 31與出口 32之流路構成爲直線 狀者。 又，在本實施例，雖表示安裝伸縮管29於止水栓2之 出口 6者，然而亦可安裝於止回閥3之入口 31，在該情形 ，止水栓2之出口 6，係比圓形鍔部26突出，在其頂端設 置接頭構件U。 基台4，係以長於左右之直方體狀的中間部37，從該 中間部37之左右接續向上方傾斜的斜面部38、38a，與從 8 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公一 ^-- (請先閱讀背面之沒意事項再填寫本頁) 裝 . ，線 524913 A7 ________B7__ 五、發明說明（^ ) 該斜面部38、38a之最上端豎立的突壁39、39a所構成。 在突壁39、39a，凹設座部40、4〇a，嵌合止水栓2與 止回閥3之圓形鍔部26、36及基台裝設部1〇、34之下半 圓部分，在該座部40、40a上方，設置大致呈半圓弧狀之 固定構件41、41a，其嵌合基台裝設部1〇、34之上半圓部 分與圓形鍔邰26、36，並且被緊固構件BT(以附內六角承 孔螺栓所構成)安裝於座部4〇、40a。 在止水栓2與止回閥3分別設置於座部40、40a上之 狀態’止水栓2之出口 6(伸縮管29)與止回閥3之入口 31 ，係設置成位於同一軸線上。 又，在座部40、40a及固定構件41、41a對基台裝設 部10、34之嵌合面，黏接薄橡皮板R，作爲完全鎖緊緊固 構件BT時之基台裝設部10、34止滑用。 而且，在固定止水栓2之連結端部10(設置伸縮管29) 或止回閥3之連結端部34(在圖示例係連結端部10)之座部 40及固定構件41之一方或兩方的前端面42、43(在圖示例 係僅形成於固定構件41之前端面43)，形成對應於多角形 側面部30之多角形口 44。 在基台4下部之左右，設置接觸由混凝土所組成之基 台設置面GL的凸緣45、45a，並且在該凸緣45、45a設置 ，突設於基台設置面GL之固定螺栓(anchor bolt)之插穿孔 46、46a，及螺合於基台設置面GL之螺絲之插穿孔47、 47a …。 接著，說明水錶安裝單元1之作用。 9 本紙張尺度適用中國國家標準（CNS)A4規格（21〇 X 297公釐） ------------------ (請先閱讀背面之注意事項再填寫本頁) 訂- -線 524913 A7 B7 ' _ — — — — _ 五、發明說明（？） 將基台4固定於基台設置面GL，則赛因應其安裝條 件選擇固定方法。 例如，要更換既存之水錶Μ之情形，医|已配妥供水管 ，作業空間狹窄，不適合埋設固定螺栓於基台設置面GL， 故須於與設置於凸緣45、45a之螺絲插穿孔47、47a ...相 對應之基台設置面GL以鑽頭穿設孔，並且在該孔埋設螺 絲螺合用之塞子（未圖示），再將插穿螺絲插穿孔47、47a …之螺絲（未圖示）螺進前述塞子，而使基台4固定於基台 設置面GL。 在新設基台之情形，若在配置供水管之前，因比上述 情形之作業空間爲廣闊，能於基台設置面GL容易地埋設 固定螺栓，故於與設置於凸緣45、45a之固定螺栓插穿孔 46、46a相對應之基台設置面GL埋設固定螺栓後，將突出 基台設置面GL之螺栓(未圖示)插穿固定螺栓插穿孔46、 46a，並以螺帽予以鎖緊，而使基台4固定於基台設置面 GL 〇 上述基台4之其他固定方法，則亦能以砂漿將凸緣45 、45a固裝於基台設置面GL上。 藉由以上3種類之固定方法中任一種，將基台4固定 於基台設置面GL後，若要將止水栓2、止回閥3及水錶 Μ配管於未圖示之供水管時，首先將止水栓2及止回閥3 之基台裝設部10、34以及圓形鳄部26、36之下半圓部分 分別配置於座部40、40a上，分別以固定構件41、41a覆 蓋其上半圓部分，鬆鬆地鎖上緊固構件BT，以座部40、 10 (請先閱讀背面之注意事項再填寫本頁) 訂： 線 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 524913 A7 _____B7___ 五、發明說明（g ) 40a與固定構件41、41a間鬆肷各基台裝設部i〇、34之狀 態暫時固定。 在該暫時固定狀態，因在座部40、40a與固定構件41 、41a間亦鬆嵌各圓形鍔部％、36 ’雖基台裝設部10、34 係以其軸線爲中心可旋轉自如’但各圓形鍔部26、36限制 其軸線方向之移動，故止水栓2及止回閥3之位置於基台 4之左右方向會確定下來。 在如上述之狀態，藉由分別適宜旋轉止水栓2及止回 閥3，使止水栓2之入口 5及止回閥3之出口 32指向於對 應供水管之各連結口，以接合螺帽（未圖示）暫時固定來連 結。 接著，在止水栓2，對基台裝設部10旋轉本體9，使 操作桿23、24及把手24a往所欲方向突出，最後，將接合 螺帽(暫時固定來連結止水栓2及止回閥3與供水管)及緊 固構件BT完全鎖緊。 又，即使使用直管形態（未將止水栓2及止回閥3彎曲 爲角狀)者，爲連結於供水管，因需要在止水栓2之入口 5 及止回閥3之出口 32分別連結肘管，最後，在暫時固定時 ’旋轉暫時固定狀態之止水栓2及止回閥3，使連結於止 水栓2之入口 5側及止回閥3之出口 32側之肘管之連結口 對應供水管之連結口。 其次，在固定於基台4之止水栓2及止回閥3間介裝 連結水錶Μ。 如上述之連結時，.在止水栓2及止回閥3間配置水錶 11 本纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐) ' — (請先閱讀背面之注意事項再填寫本頁) 裝 訂： 線 524913 A7 ______ B7______ 五、發明說明（/ ) Μ，並且將伸縮管29伸張爲適宜長度，分別將接頭構件υ 設置於伸縮管29及止回閥3之入口 31，並鎖緊於水錶Μ 之出入口 Ml ' M2來完成。 伸張伸縮管29時，因其圓形基端部28係形成爲比多 角形側面部30大徑，在伸張伸縮管29爲最長之狀態，圓 形基端部28就抵接於固定構件41之前端面43之內側（多 角形口 44周圍）而防止脫離。 至於接頭構件U之鎖緊，因止水栓2及止回閥3之基 台裝設部1〇、34被座部40、40a與固定構件41、41a挾持 ，故不能旋轉，伸縮管29亦因其多角形側面部30配合於 固定構件41之前端面43，故不能旋轉，因此不必以鉗子 等工具分別握住防止伸縮管29與止回閥3個別旋轉，而僅 以扳手等鎖緊即可。 【發明之效果】 總之，本發明之單元1，係具備分別連結水錶Μ出入 口 ΜΙ、M2之止水栓2及止回閥3，及將該止水栓2及止 回閥3在連結水錶Μ出入口 Ml、M2之軸線上以相隔比水 錶Μ之全長爲長之間隔分開配置之基台4，僅將止水栓2 及止回閥3裝配於基台4，即可分別將止水栓2之出口 6 及止回閥3之入口 31簡單地定位於水錶Μ之入口 Ml及 出口 M2，而且，止水栓2、止回閥3及水錶Μ之組裝結 果有一致性，能使單元1全體小型化。 又，止水栓2之出口 6側及止回閥3之入口 31側之各 12 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） ---------*---------- (請先閱讀背面之注意事項再填寫本頁) •線 524913 B7 五、發明說明（ί。） ------------------ (請先閱讀背面之注意事項再填寫本頁) 基台裝設部10、34，係將側面25、35形成圓形狀，並且 突設圓形鍔部26、36來構成，因在基台4設置，嵌合圓形 鍔部26、36與基台裝設部10、34之下半圓部分之座部40 、40a ;及嵌合圓形鍔部26、36與基台裝設部1〇、34之上 半圓部分並且被緊固構件BT安裝於座部40、40a之固定 構件41、41a，故能使各基台裝設部1〇、34，壓接保持在 座部40、40a與固定構件41、41a之間之一定位置而不會 偏位，在緊固構件Βτ鬆開之暫時固定狀態，因能使各基 台裝設部1〇、34旋轉，故能使止水栓2之入口 5及止回閥 3之出口 6分別指向供水管之連結口。 •線 又，在止水栓2之出口 6及止回閥3之入口 31任一方 設置伸縮管29 ’該伸縮管係將其能在口內部27水密狀地 滑動之圓形基端部28以可進退自如的方式插入該出口或入 口而構成，這使得藉由伸縮管29之收縮，能將水錶Μ輕 易地配置於止水栓2與止回閥3間，而藉由伸縮管29之伸 長，僅將水錶Μ之入口 Ml及出口 M2分別連結於止水栓 2之出口 6及止回閥3之入口 31，即可將水錶Μ簡單地介 裝連結於止水栓2與止回閥3間。 而且，在伸縮管29之較圓形基端部28更前端側接續 形成比圓形基端部28之外徑爲小之多角形側面部30，並 將座部40及固定構件41之一方或南方之前端面42、43形 成爲對應於多角形側面部30，使得在使伸縮管29伸長爲 最長之狀態，圓形基端部28會抵接於固定構件41之前端 面43內側而能防止脫離，並且因伸縮管29不會繞著其軸 13 本紙張尺度適用中國國家標準（CNS)a4規格（210 X 297公釐） 524913 A7 _____ _B7___ 五、發明說明（U) (請先閱讀背面之注意事項再填寫本頁) 旋轉，故當鎖緊及鬆開接頭構件U(用來連結伸縮管29與 水錶M)時，不必使用防止伸縮管29旋轉之鉗子等工具， 而可省略使用這些工具之步驟。 伸縮管29之防止脫離及防止旋轉，係將座部40、40a 及固定構件41、41a(用來固定止水栓2之安裝該伸縮管29 之基台裝設部10或止回閥3之基台裝設部34)的前端面42 、43，形成爲對應於多角形側面部30來達成，這相較於個 別設置安裝該伸縮管29之基台裝設部10或基台裝設部34 的固定機構與伸縮管29之防止脫離及防止旋轉機構之情形 ，因能使基台4之全長更縮短，故能使單元1更加小型化 〇 如上述，根據本發明，能容易進行水錶Μ之安裝、附 帶之諸作業，以及水錶Μ之拆卸作業，相較於習知技術更 能大幅地提高其作業效率。 線- 止水栓2係將其本體9與基台裝設部1〇可旋轉自如地 連結而成，故能使從本體9突出之操作桿23、24及把手 24a的位置簡單地指向適合之方向。 並且，一方之連結端部11，係在其開口端內周設置圓 形面12,並且與該圓形面12接續設置越往裏面口徑越小 之推拔面13來構成，在圓形面12周圍刻設凹槽16，以使 擴縮徑自如之C型彈性環15於該凹槽能出沒自如，並旦 將該凹槽16開口部端緣之前述連結端部Π之開口端側之 稜角部斜向切掉而設置斜面部17，另一方之建結端部18 ’ 係在其外周設置對應於前述連結端部11之推拔面20、_ 14 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） A7 524913 ____B7_ _ 五、發明說明（/>〇 形面21及凹槽22，並且該凹槽22之深度係設定成，在外 力未作用於C型彈性環15之狀態，凹槽會內切於比一方 之連結端部11之凹槽22突出之彈性環15的內徑側部位 15a ’故能以單觸方式連結本體9與基台裝設部1〇，連結 兩者9、10之後，即使即將分離，也因外力不會向c型彈 性環15擴徑之方向作用，故不能解除兩者9、10之連結， 本體9與基台裝設部1〇之前述連結機構則因不是露出於止 水栓2外部之構成，在配管施工時等，亦沒有誤取下環15 之危險。 而且，根據上述連結機構，因本體9之連結端部11與 基台裝設部10之連結端部18以在內外重疊之方式連結， 故比起例如以接合螺帽(union nut)或聯結器(cQuplmg)用帶來 連結本體9與基台裝設部10之情形，能使其全長比較短， 故能使單元1整體更小型。 在基台4設置接觸基台設置面GL之凸緣45、45a，並 且在該凸緣45、45a設置突出基台設置面GL上之固定螺 栓之插穿孔46、46a及螺合於基台設置面GL之螺絲之插 穿孔47、47a…’故當設置基台4時，可選擇將凸緣45、 45a以泥漿固接於基台設置面GL之方法或將凸緣45、45a 以固定螺栓或螺栓固定於基台設置面GL之方法，使基台4 之設置能因應設置場所之諸條件來施工，故水表安裝單元 具有設置作業方便等實用效果。 15 (請先閱讀背面之注意事項再填寫本頁) 訂· .線 本纸張尺度適用中國國家標準（CNS)A4規格（210 X 297公t ) 524913 A7 __B7_ 五、發明說明（0 ) 【圖式之簡單說明】 圖1，係水錶安裝單元之剖面圖。 圖2，係基台之俯視圖。 圖3，係圖1之A-A放大剖面圖。 圖4，係圖1之B-B放大剖面圖。 圖5，係止水栓之放大剖面圖。 圖6,係表示止水栓之本體與基台裝設部之連結狀態 的放大剖面圖，（a)係表示本體與基台裝設部之連結完成狀 態的圖，（b)係表示連結完成後分別將本體與基台裝設部向 分離方向拉開之狀態的圖。 【符號說明】 -—I n an HI i I ϋ - 111 n -1! m I · n 1 (請先閱讀背面之注意事項再填寫本頁) 2 止水栓閥 3 止回閥 4 基台 6 出口 9 本體 10 基台裝設部 11 連結端部 12 圓形面 13 推拔面 15 C型彈性環 15a 內徑側部位 16 凹槽 16 -線 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐） 524913 A7 _B7 五、發明說明（A) 17 斜面部 18 連結端部 20 推拔面 21 圓形面 22 凹槽 25 側面 26 圓形鍔部 27 口內部 28 圓形基端部 29 伸縮管 30 多角形側面部 31 入口 34 基台裝設部 35 側面 36 圓形鍔部 40 、 40a 座部 41 、 41a 固定構件 42 、^丄山 7 一 刖V而面 43 刖_面 45 ' 45a 凸緣 46 、 46a 固定螺栓插穿孔 47 、 47a 螺絲插穿孔 BT 緊固構件 GL 基台設置面 17 ί·紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐)_ -----,------------ (請先閱讀背面之注意事項再填寫本頁) 訂· · 線 524913 A7 ___ Β7 五、發明說明（6 ) Μ 水錶 Ml 入口 M2 出口 ---------------裝--- (請先閱讀背面之注意事項再填寫本頁) 線· 18 本紙張尺度適用中國國家標準（CNS)A4規格（210 X 297公釐)524913 A7 ___B7__________ V. Description of the invention (/) [Technical field to which the invention belongs] The present invention relates to a water meter installation unit, which allows simple and easy installation and removal of water meters installed in water supply pipes of households such as apartments and houses. [Knowledge technology] In the past, in the water supply pipe, the water meter was connected to the stopcock and check valve on its primary side (inlet) and secondary side (outlet ·). When the water meter is replaced, the stopper is first released. And check valve, and then connect the new water meter between the stopcock and the check valve. [Problems to be Solved by the Invention] However, once the water meter is removed from between the stopcock and the check valve, the shaft cores of the water meter connection port of the stopcock and check valve often deviate from each other. The installation place of water meters is generally narrow. It is really difficult to connect the water meter's inlet and outlet to the connection ports of the water stopcock and check valve again. Therefore, if an apartment is to be installed, the water meter of each household will be installed. All replacements or new installations have very laborious and time-consuming issues. [Means for solving problems] In view of the above problems, the present invention provides a water meter installation unit, which includes a water stopper and a check valve respectively connected to the inlet and outlet of the water meter, and the water stopper and the check valve are connected together. The abutments of the water meter are arranged separately on the axis of the water meter at intervals longer than the full length of the water meter; by fixing the water check and check valve to the abutment, the water meter installed between the water stopcock and the check valve Entrance 4_ _ This paper size is in accordance with Chinese National Standard (CNS) A4 (210 X 297 mm) (Please read the precautions on the back before filling this page) # · • Line-524913 A7 __B7 ___ V. Description of the invention (>) Corresponding to the outlet of the stopcock and the inlet of the check valve, a telescopic tube is provided at either the outlet of the stopcock and the inlet of the check valve, and the extension tube is a circle that can slide watertightly inside the mouth The base end portion is formed by inserting the outlet or the inlet in a freely advancing and retracting manner, and the water meter is simply interposed and connected between the water stopper and the check valve through the expansion and contraction of the telescopic tube. [Embodiment of the invention] An embodiment of the present invention will be described below with reference to the drawings. Fig. 1 is a sectional view showing a water meter mounting unit 1 of the present invention. The unit 1 is provided with a water stopper 2 and a check valve 3 respectively connected to the inlets and outlets M1 and M2 of the water meter M, and the water stopper 2 and the check valve 3 are on the axis connecting the inlets and outlets M1 and M2 of the water meter M The abutments 4 are spaced apart from each other with a longer interval than the entire length of the water meter M (the distance between the entrances and exits M1 and M2). The water stopper 2 is a water stopper with a sub-bolt ball that is approximately at an angle to the flow path of the inlet 5 and the outlet 6 at a right angle. A straight flow path connected to the inlet 5 is provided, and the body 9 (in the straight flow path from the inlet A ball valve body serving as the auxiliary plug 7 and the main plug 8 is formed successively from the side, and is connected to the abutment installation portion 10 (a curved tubular flow path communicating with the outlet 6) is rotatably connected to each other. . The connecting end portion 11 of the main body 9 is provided with a circular surface 12 on the inner periphery of the open end, and a continuation of the circular surface 12 is provided with a pushing surface 13 having a smaller caliber toward the inside and a minimum diameter of the pushing surface 13 A small-diameter circular surface 14 is successively provided around the circular surface 12 to form a C-shaped elastic ring 15 5 which can expand and contract freely. This paper size is in accordance with China National Standard (CNS) A4 (210 X 297 mm). (Please read the notes on the back before filling this page) Binding: Thread · 524913 A7 _____B7____ V. Description of the Invention (ί) (Please read the notes on the back before filling this page) It can be configured to appear freely, and it is engraved with The cross-sectional shape of the ring 15 has the same depth as the groove 16 of the depth, and the corner portion on the opening end side of the connecting end portion 11 of the opening edge of the groove 16 is cut off obliquely to provide an inclined surface portion Π. The connecting end portion 18 of the abutment mounting portion 10 is provided with a small-diameter circular surface 19, a pushing surface 20, a circular surface 21, and a groove 22 corresponding to the connecting end portion 11 of the main body 9 on the outer periphery. An o-ring P is installed in an O-ring groove recessed around the circular surface 19. The depth of the groove 22 is set such that, when the external force does not act on the C-shaped elastic ring 15, the groove 22 will be inscribed at the inner diameter side portion of the ring 15 protruding from the groove 16 of the connecting end 11 of the body 9. 15a (semicircular half-section of ring 15). Then, when the connecting end portion 18 of the abutment mounting portion 10 is inserted into the connecting end portion Η of the main body 9, the inner diameter side portion 15a of the ring 15 protruding from the groove 16 of the connecting end portion 11 runs along the abutment. The pushing surface 20 of the connecting end portion 18 of the mounting portion 10 is gradually pressed into the groove 16 of the connecting end portion 11 of the main body 9 because the circular surface 21 and the ring 15 that are continuous with the pushing surface 20 will be temporarily expanded. When the grooves 16 and 22 correspond to each other, the ring 15 is reduced to the initial state where no external force is applied, and the inner diameter side portion 15a of the ring 15 is cut into the groove 22 and Contained, the main body 9 and the abutment mounting portion 10 are not separated from each other by the ring 15 and become freely rotatable with each other, and the valve levers 23 and 24 (and the auxiliary valve 7 and the main valve 8 are used for opening and closing). The ball-shaped valve body is connected and protrudes to the outside of the main body 9) The protruding direction can be set freely. The inclined surface 17 provided in the groove 16 of the main body 9 has the following functions. 0 This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) 524913 A7 ____ B7_______ 5. Description of the invention (\) (Please Read the precautions on the back before filling in this page) That is, when the main body 9 and the abutment mounting section 10 are connected as described above, when the two 9, 10 are pulled apart in the separation direction, if not as shown in Figure 6 (b ) To form a beveled surface Π, and push the ring 15 in the opposite direction up and down due to the corners X of the edges of the openings of the two grooves 16, 22 (not shown because the corners of one of the grooves 16 form the beveled surface 17). Force, the ring 15 expands its diameter and is submerged in the groove 16 of the body 9, so it is estimated that the body 9 and the abutment installation portion 10 will be detached at this time. However, by providing the inclined surface 17 in the groove 16, such as In FIG. 6 (b), the opposite force of the outer diameter side portion 15b of the ring 15 against the inclined surface portion 17 acts in a direction orthogonal to the inclined surface thereof, that is, toward the inside of the groove 22 of the abutment mounting portion 10. It will expand the diameter of the ring 15 and sink into the groove 16 of the body 9. Once connected to the integrated water stopper 2, it cannot be separated into 9 mounting body portion 10 and the base station. The abutment mounting portion 10 of the water stopper 2 is on the 6 exit side (a portion at a right angle to the main body 9), the side surface 25 is formed in a circular shape, and a circular cymbal portion 26 is protruded. At the outlet 6 of the abutment mounting portion 10, a straight-shaped telescopic tube 29 is provided. The telescopic tube 29 is a circular base end portion 28 which can slide water-tightly inside the mouth 27 and is inserted into the outlet in a retreatable manner. While posing. The telescopic tube 29 is provided with an o-ring P recessed in the o-ring groove recessed around the circular base end portion 28, and is formed on the front end side of the circular base end portion 28 in succession to form the circular base end portion 28. A polygonal side portion 30 of a predetermined length having a small outer diameter (in the example of the drawing, "approximately inscribed in the circular base end portion 28") is provided with a gasket S fixed on the end face of the opening portion at the foremost end of the telescopic tube 29. And a joint member U 'such as a joint nut is provided at the foremost end of the telescopic tube 29 to be connected to the inlet M1 of the water meter M. 7 _ This paper size is in accordance with China National Standard (CNS) A4 (210 X 297 mm) 524913 A7 ___B7_____ V. Description of the invention (f) Also, in the example shown in the figure, although only the handle of the main valve 8 is equipped with a handle 24a, but the handle 23 of the auxiliary valve 7 can also be suitably equipped with a handle (not shown), and the water stopper 2 does not necessarily use a spherical water stopper of the above structure, and other water stoppers may also be used. Although the table installation part 10 indicates a tube-shaped person, it may be a straight tube, and the connecting ends 端, 18 of the main body 9 and the abutment installation part 10 may also have opposite structures, that is, the main body The connecting end portion 11 of 9 is inserted into the connecting end portion 18 of the abutment mounting portion 10. The check valve 3 is formed in an angle shape, that is, the flow path of the inlet 31 and the outlet 32 is formed at a substantially right angle, and a linear flow path communicating with the inlet 31 is installed to prevent the valve body 33 from flowing backward from the secondary side to the primary side. The abutment mounting portion 34 is configured, a flange of a fixed pad S is provided on an end face of an opening portion of the inlet 31, and a joint member U that engages a nut or the like is provided at the inlet 31. In addition, the abutment mounting portion 34 'provided on the inlet 31 side of the check valve 3 is formed with a side surface 35 having a circular shape, and a round flange portion 36 is protruded. In addition, although the check valve 3 indicates that the side of the outlet 32 is bent into a curved shape, the flow path of the inlet 31 and the outlet 32 may be formed in a straight line. In this embodiment, although the expansion pipe 29 is installed at the outlet 6 of the water stopper 2, it can also be installed at the inlet 31 of the check valve 3. In this case, the outlet 6 of the water stopper 2 is comparable. The circular cymbal portion 26 protrudes, and a joint member U is provided at the top end thereof. The abutment 4 is a cuboid-shaped middle portion 37 longer than the left and right sides, and the inclined portions 38 and 38a inclined upward from the left and right sides of the middle portion 37 are applied to the Chinese paper standard (CNS) A4 from 8 paper sizes (210 X 297 public one ^-(Please read the unintentional matter on the back before filling in this page). Assemble., Line 524913 A7 ________B7__ 5. Description of the invention (^) The projecting wall of the upper end of the inclined surface 38, 38a 39, 39a. In the protruding walls 39, 39a, recessed seat portions 40, 40a are fitted, and the circular cymbals 26, 36 of the water stopper 2 and the check valve 3 are fitted, and the abutment mounting portion 1〇 The semicircular part below the base part 34 and the base part 40 and 40a are provided with a substantially semicircular arc-shaped fixing member 41 and 41a. The semicircular part above the abutment mounting part 10 and 34 and the circle 锷邰 26 and 36, and are fastened to the seat portions 40 and 40a by a fastening member BT (consisting of a hexagon socket bearing bolt). The water stopper 2 and the check valve 3 are respectively provided on the seat portions 40 and 40a. The state 'outlet 6 (telescoping tube 29) of the stopcock 2 and the inlet 31 of the check valve 3 are arranged on the same axis. In addition, the seat portions 40, 40a and the fixed structure The pieces 41 and 41a are bonded to the mating surfaces of the abutment mounting portions 10 and 34, and the thin rubber plate R is adhered to prevent the abutment mounting portions 10 and 34 from slipping when the fastening member BT is completely locked. One or both of the seat portion 40 and the fixing member 41 of the connecting end portion 10 of the water stopper 2 (the telescopic tube 29 is provided) or the connecting end portion 34 of the check valve 3 (the connecting end portion 10 is shown in the example in the figure). The front end faces 42 and 43 (in the example shown in the figure are formed only on the front end face 43 of the fixing member 41) form a polygonal opening 44 corresponding to the polygonal side surface portion 30. On the left and right sides of the abutment 4, contact is provided by concrete The flanges 45 and 45a of the abutment installation surface GL are formed, and are provided at the flanges 45 and 45a. The insertion holes 46 and 46a of the anchor bolts protruding from the abutment installation surface GL are screwed together. The perforations 47, 47a of the screws on the abutment setting surface GL. Next, the function of the water meter installation unit 1 will be described. 9 This paper size applies the Chinese National Standard (CNS) A4 specification (21〇X 297 mm) ---- -------------- (Please read the notes on the back before filling this page) Order--Line 524913 A7 B7 '_ — — — — _ V. Invention (?) Fix the abutment 4 on the abutment setting surface GL, then choose the fixing method according to its installation conditions. For example, to replace the existing water meter M, the doctor | has already equipped the water supply pipe, the working space is narrow, and it is not suitable for burying. The fixing bolt is provided on the abutment setting surface GL, so a hole must be drilled in the abutment setting surface GL corresponding to the screw insertion holes 47, 47a provided on the flanges 45, 45a, and a screw is buried in the hole A plug (not shown) for screwing, and a screw (not shown) inserted through the screw holes 47, 47a, etc. are screwed into the plug, so that the base 4 is fixed to the base setting surface GL. In the case of a newly installed abutment, if the working space is wider than that in the above case before the water supply pipe is arranged, the fixing bolt can be easily buried in the abutment installation surface GL. Therefore, it is necessary to connect the fixing bolt to the flange 45, 45a. After embedding the fixing bolts on the abutment mounting surface GL corresponding to the insertion holes 46 and 46a, insert a bolt (not shown) protruding from the abutment mounting surface GL through the fixing bolt insertion holes 46 and 46a, and lock it with a nut. The base 4 is fixed to the base installation surface GL. The other fixing methods of the base 4 described above can also fix the flanges 45 and 45a on the base installation surface GL with mortar. After fixing the abutment 4 to the abutment installation surface GL by any of the above three types of fixing methods, if the water stopper 2, the check valve 3 and the water meter M are to be piped to a water supply pipe (not shown), First, the abutment mounting portions 10 and 34 of the water stopper 2 and the check valve 3 and the semicircular portions below the round crocodile portions 26 and 36 are respectively arranged on the seat portions 40 and 40a, and are respectively covered with the fixing members 41 and 41a. The upper semi-circular part is loosely locked with the fastening member BT, and the seat parts 40 and 10 (please read the precautions on the back before filling this page). Order: The size of the paper is applicable to the Chinese National Standard (CNS) A4 specification ( (210 X 297 mm) 524913 A7 _____B7___ 5. Description of the invention (g) The state of each abutment mounting portion i0, 34 between 40a and the fixing members 41, 41a is temporarily fixed. In this temporarily fixed state, the circular cymbals are also loosely fitted between the seat portions 40 and 40a and the fixing members 41 and 41a. "Although the abutment mounting portions 10 and 34 are rotatable around the axis thereof" However, the circular cymbals 26 and 36 restrict the movement in the axial direction, so the positions of the water stopper 2 and the check valve 3 in the left and right directions of the base 4 will be determined. In the state as described above, by properly rotating the stopcock 2 and the check valve 3, respectively, the inlet 5 of the stopcock 2 and the outlet 32 of the check valve 3 are directed to the respective connection ports of the corresponding water supply pipe to engage the screw. A cap (not shown) is temporarily fixed and connected. Next, on the water stopper 2, rotate the body 9 with respect to the abutment mounting portion 10 so that the operating levers 23, 24 and the handle 24 a protrude in the desired direction. Finally, the engagement nut (temporarily fixed to connect the water stopper 2 and The check valve 3 is completely locked with the water supply pipe) and the fastening member BT. In addition, even in the case of a straight pipe (the water stopper 2 and the check valve 3 are not bent into an angle), in order to connect to the water supply pipe, the inlet 5 of the water stopper 2 and the outlet 32 of the check valve 3 need to be connected. Attach the elbow separately. Finally, when temporarily fixed, turn the stopcock 2 and check valve 3 in the temporarily fixed state to connect the elbow to the inlet 5 side of the stopcock 2 and the outlet 32 side of the check valve 3. The connection port corresponds to the connection port of the water supply pipe. Next, a water meter M is interposed between the water stopper 2 and the check valve 3 fixed to the base 4. When connecting as above, configure water meter 11 between stopcock 2 and check valve 3. This paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) '— (Please read the note on the back first Please fill in this page again for binding) Binding: Line 524913 A7 ______ B7______ 5. Description of the invention (/) Μ, and stretch the telescopic tube 29 to a suitable length, set the joint member υ at the inlet 31 of the telescopic tube 29 and the check valve 3 respectively , And lock it at the entrance M1 'M2 of the water meter M to complete. When the telescopic tube 29 is stretched, the circular base end portion 28 is formed to have a larger diameter than the polygonal side portion 30. When the telescopic tube 29 is stretched to the longest position, the circular base end portion 28 abuts against the fixing member 41. The inside of the end face 43 (around the polygonal mouth 44) prevents detachment. As for the locking of the joint member U, since the abutment mounting portions 10 and 34 of the water stopper 2 and the check valve 3 are held by the seat portions 40 and 40a and the fixing members 41 and 41a, they cannot be rotated, and the telescopic tube 29 is also Since the polygonal side surface 30 is fitted to the front end surface 43 of the fixing member 41, it cannot be rotated, so it is not necessary to hold the telescopic tube 29 and the check valve 3 individually with tools such as pliers, and only lock with a wrench or the like. . [Effects of the invention] In short, the unit 1 of the present invention is provided with a water stopper 2 and a check valve 3 respectively connecting the inlets and outlets M1 and M2 of the water meter M, and the water stopper 2 and the check valve 3 are connected to the water meter M The abutment 4 is arranged on the axis of the entrance and exit M1 and M2 at a distance longer than the total length of the water meter M. Only the water stopper 2 and the check valve 3 are assembled on the abutment 4 and the water stopper 2 can be separately installed. The outlet 6 and the inlet 31 of the check valve 3 are simply positioned at the inlet M1 and the outlet M2 of the water meter M, and the assembly results of the water stopper 2, the check valve 3 and the water meter M are consistent, which can make the unit 1 as a whole. miniaturization. In addition, each of the 12 paper sizes on the outlet 6 side of the water stopper 2 and the inlet 31 side of the check valve 3 applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) --------- * ---------- (Please read the notes on the back before filling out this page) • Line 524913 B7 V. Description of the invention (ί.) -------------- ---- (Please read the precautions on the back before filling out this page) The abutment mounting sections 10 and 34 are formed by forming the side surfaces 25 and 35 in a circular shape and projecting the round cymbals 26 and 36. Provided on the abutment 4, the fitting circular cymbals 26, 36 and the seat portions 40, 40a of the semicircular part below the base mounting portion 10, 34; and the fitting circular cymbals 26, 36 and the base mounting The semicircular portions above the sections 10 and 34 are fixed to the seat sections 40 and 40a by the fastening members 41 and 41a of the fastening members BT. Therefore, each abutment mounting section 10 and 34 can be crimped and held in the seat sections 40 and 40. A certain position between 40a and the fixing members 41 and 41a without deflection. In the temporarily fixed state in which the fastening member Bτ is loosened, the abutment mounting portions 10 and 34 can be rotated, so that water can be stopped. The inlet 5 of the plug 2 and the outlet 6 of the check valve 3 point to the water supply pipe respectively Link. • The wire is provided with a telescopic tube 29 at either of the outlet 6 of the stopcock 2 and the inlet 31 of the check valve 3. The telescopic tube is a circular base end portion 28 which can slide watertightly inside the mouth 27 to It can be inserted into the outlet or inlet in a freely forward and backward manner. This allows the water meter M to be easily placed between the stopcock 2 and the check valve 3 by the contraction of the telescopic tube 29, and the extension of the telescopic tube 29. , Only the inlet M1 and outlet M2 of the water meter M are connected to the outlet 6 of the water stopper 2 and the inlet 31 of the check valve 3 respectively, and the water meter M can be simply connected to the water stopper 2 and the check valve 3 between. Further, a polygonal side surface portion 30 having a smaller outer diameter than the circular base end portion 28 is continuously formed on the front end side of the telescopic tube 29 than the circular base end portion 28, and one of the seat portion 40 and the fixing member 41 or The south front faces 42 and 43 are formed to correspond to the polygonal side portions 30, so that in the state where the telescopic tube 29 is extended to the longest, the circular base end portion 28 abuts against the inside of the front face 43 of the fixing member 41 to prevent detachment. And because the telescopic tube 29 does not go around its axis 13 This paper size applies the Chinese National Standard (CNS) a4 specification (210 X 297 mm) 524913 A7 _____ _B7___ V. Description of the invention (U) (Please read the notes on the back first (Fill in this page again) Rotation, so when locking and loosening the joint member U (used to connect the telescopic tube 29 and the water meter M), it is not necessary to use tools such as pliers to prevent the telescopic tube 29 from rotating, and the steps of using these tools can be omitted . To prevent the telescopic tube 29 from detaching and preventing rotation, the seat portions 40 and 40a and the fixing members 41 and 41a (for fixing the anchor 2 and the base installation portion 10 of the telescopic tube 29 or the check valve 3 The front end surfaces 42 and 43 of the abutment installation portion 34) are formed so as to correspond to the polygonal side portion 30, which is compared with the abutment installation portion 10 or the abutment installation portion where the telescopic tube 29 is individually installed. The situation that the fixing mechanism 34 and the telescopic tube 29 prevent the detachment and the rotation mechanism can shorten the overall length of the abutment 4 and therefore make the unit 1 more compact. As described above, according to the present invention, the water meter M can be easily performed. The installation, attached operations, and disassembly of the water meter M can greatly improve its operating efficiency compared with the conventional technology. Line-The water stopper 2 is formed by rotatably connecting the body 9 and the abutment mounting portion 10, so that the positions of the operating levers 23, 24 and the handle 24a protruding from the body 9 can be simply pointed to fit. direction. In addition, the one connecting end portion 11 is provided with a circular surface 12 on the inner periphery of the open end thereof, and a push-out surface 13 having a smaller diameter toward the inside is provided in succession to the circular surface 12. A groove 16 is engraved around, so that the C-shaped elastic ring 15 with a free expansion and contraction diameter can freely appear in the groove, and the corner of the opening end side of the aforementioned connecting end Π of the opening edge of the groove 16 The oblique portion 17 is cut off obliquely, and the other end 18 'of the other end is provided with a push-out surface 20, _ 14 corresponding to the aforementioned connecting end portion 11 on the outer periphery. This paper size applies the Chinese National Standard (CNS) A4 specification (210 X 297 mm) A7 524913 ____B7_ _ 5. Description of the invention (/ > 0-shaped surface 21 and groove 22, and the depth of the groove 22 is set so that the external force does not act on the C-shaped elastic ring In the state of 15, the groove is cut inward at the inner diameter side portion 15a of the elastic ring 15 protruding beyond the groove 22 of one of the connecting end portions 11, so that the body 9 and the abutment mounting portion 1 can be connected in a single touch. After connecting the two 9 and 10, even if they are about to separate, they will not move in the direction that the c-shaped elastic ring 15 expands due to external forces. Therefore, the connection between the two 9 and 10 cannot be released, and the aforementioned connection mechanism of the main body 9 and the abutment mounting section 10 is not exposed to the outside of the water stopper 2 and has not been removed by mistake during piping construction. According to the above-mentioned connection mechanism, the connection end portion 11 of the main body 9 and the connection end portion 18 of the abutment mounting portion 10 are connected in such a manner as to overlap inside and outside. The nut (or nut) or coupling (cQuplmg) can bring the main body 9 and the abutment mounting portion 10 together, so that the total length can be made shorter, so that the unit 1 can be made smaller as a whole. The abutment 4 is provided on the abutment mounting surface. The flanges 45 and 45a of the GL, and the flanges 45 and 45a are provided with insertion holes 46 and 46a of the fixing bolts protruding from the abutment setting surface GL and screw insertion holes 47 and 47a screwed on the abutment setting surface GL. … 'Therefore, when the abutment 4 is installed, the method of fixing the flanges 45 and 45a to the abutment installation surface GL with mud or fixing the flanges 45 and 45a to the abutment installation surface GL with mud can be selected. Method, so that the installation of abutment 4 can be constructed in accordance with the conditions of the installation site, The unit has practical effects such as convenient setting work. 15 (Please read the precautions on the back before filling in this page) Order.. The size of the paper is applicable to China National Standard (CNS) A4 (210 X 297 mm t) 524913 A7 __B7_ V. Description of the invention (0) [Simplified description of drawings] Fig. 1 is a cross-sectional view of a water meter installation unit. Fig. 2 is a top view of an abutment. Fig. 3 is an enlarged cross-sectional view of AA of Fig. 1. Fig. 4 is a Fig. 1 is an enlarged sectional view of BB. Fig. 5 is an enlarged sectional view of a stopcock. Fig. 6 is an enlarged sectional view showing a connection state between the body of the water stopper and the abutment installation part, (a) is a view showing a connection completion state of the body and the abutment installation part, and (b) is connection completion A diagram of the state where the body and the abutment mounting portion are pulled apart in the separation direction. [Symbol description] -—I n an HI i I ϋ-111 n -1! M I · n 1 (Please read the precautions on the back before filling out this page) 2 Water stop valve 3 Check valve 4 Base 6 Exit 9 Body 10 Abutment mounting portion 11 Connecting end portion 12 Round surface 13 Pushing surface 15 C-shaped elastic ring 15a Inner diameter side portion 16 Groove 16 -Line size This paper applies the Chinese National Standard (CNS) A4 specification ( 210 X 297 mm) 524913 A7 _B7 V. Description of the invention (A) 17 Inclined surface 18 Connecting end 20 Pushing surface 21 Circular surface 22 Groove 25 Side 26 Circular crotch 27 Inner mouth 28 Circular base end 29 Telescopic tube 30 Polygonal side section 31 Inlet 34 Abutment mounting section 35 Side surface 36 Round cymbal section 40, 40a Seat section 41, 41a Fixing member 42, 丄 山 7 刖 V7 面 43 而 _ 面 45 ' 45a Flange 46, 46a Fixing bolt insertion hole 47, 47a Screw insertion hole BT Fastening member GL Abutment setting surface 17 ί · Paper size applies Chinese National Standard (CNS) A4 specification (210 X 297 mm) _ --- -, ------------ (Please read the notes on the back before filling this page) Order · · Line 524913 A7 ___ Β7 V. Description of the invention (6) Μ water meter Ml inlet M2 outlet --------------- install --- (Please read the precautions on the back before filling this page) Line · 18 This paper size applies to China National Standard (CNS) A4 (210 X 297 mm)