[go: up one dir, main page]

TWI325478B - Pipe coupling - Google Patents

Pipe coupling Download PDF

Info

Publication number
TWI325478B
TWI325478B TW096109785A TW96109785A TWI325478B TW I325478 B TWI325478 B TW I325478B TW 096109785 A TW096109785 A TW 096109785A TW 96109785 A TW96109785 A TW 96109785A TW I325478 B TWI325478 B TW I325478B
Authority
TW
Taiwan
Prior art keywords
valve
valve portion
joint
hole
joint member
Prior art date
Application number
TW096109785A
Other languages
Chinese (zh)
Other versions
TW200809124A (en
Inventor
Masaki Takahashi
Original Assignee
Nitto Kohki Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nitto Kohki Co filed Critical Nitto Kohki Co
Publication of TW200809124A publication Critical patent/TW200809124A/en
Application granted granted Critical
Publication of TWI325478B publication Critical patent/TWI325478B/en

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/22Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts
    • F16L37/23Couplings of the quick-acting type in which the connection is maintained by means of balls, rollers or helical springs under radial pressure between the parts by means of balls
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of two pipe-end fittings
    • F16L37/44Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of two pipe-end fittings with one lift valve being actuated to initiate the flow through the coupling after the two coupling parts are locked against withdrawal
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L37/00Couplings of the quick-acting type
    • F16L37/28Couplings of the quick-acting type with fluid cut-off means
    • F16L37/38Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of two pipe-end fittings
    • F16L37/40Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of two pipe-end fittings with a lift valve being opened automatically when the coupling is applied
    • F16L37/407Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in only one of two pipe-end fittings with a lift valve being opened automatically when the coupling is applied the lift valve being of the ball type

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Safety Valves (AREA)
  • Lift Valve (AREA)

Description

1325478 (1) 九、發明說明 【發明所屬之技術領域】 本發明是關於具備閥的管接頭,而且是關於即使該管 接頭所連接的流體配管內部的壓力高,也能以輕微的力量 開啓閥的管接頭。 【先前技術】 Φ 這種管接頭是例如揭示於專利文獻1。專利文獻1的 管接頭之母型構件具有閥支撐構件,該閥支撐構件是固定 在該母型構件的流體通路內,並且具有一端朝向用以接受 公型構件的端部開放,另一端封閉的閥收容凹部。該閥構 件是可滑動地收容在閥收容凹部內,並藉由彈簧朝向閥座 受到彈推。在該閥構件形成有用以連通閥收容凹部內部與 接受公型構件之側的外部的連通孔。當公型構件被插入母 型構件時,該閥構件會朝向閥收容凹部內被推入,並且從 Φ 閥座離開而使流體通路開放。 亦即,此管接頭的母型構件是藉由連通孔使閥收容凹 部內部與外部連通,使得該閥收容凹部內部與外部的壓力 同等,以減少母型構件施加於閥構件之流體壓力的影響, 藉此便能以輕微的力量開啓該閥構件,且可容易地進行公 型構件之於母型構件的連接。 [專利文獻〗]日本實開昭50-57021號公報 【發明內容】 -4 - (2) 1325478 [發明所欲解決之課題] . 專利文獻1的管接頭是藉由彈簧壓力使閥構件卡合在 _ 閥座,以謀求閥構件與閥座的密封性,但是盡可能不要施 加大的流體壓力,要不然密封性會變差。又,在閥構件的 , 周圍安裝有密封環,以與閥收容凹部的周壁滑動卡合而謀 ,求該等之間的密封性,但該密封環有可能會附著在閥收容 凹部的周壁,將公型構件從母型構件分開時,並無法充分 Φ 進行藉由閥收容凹部內部之彈簧的該閥構件之回復,因而 可能產生洩漏。 本發明是鑒於這種情況,以提供一種可藉由簡單的操 . 作而實現母型及公型構件的連結,並且可獲得密封性高的 管接頭爲其目的。 [用以解決課題之手段] 亦即,本發明提供一種管接頭, • 是具有相互連結的第1及第2接頭構件的管接頭,其 特徵爲: 第1接頭構件具有: 具備流體通路的筒狀構件: 設在該筒狀構件之該流體通路周圍的環狀閥座; 設在該筒狀構件內,並藉由對該閥座進行卡合或解除 卡合而使該流體通路開閉的閥構件;以及 _ 設在該筒狀構件的該流體通路內,並支撐該閥構件的 閥支撐構件, -5- (3) 1325478 該閥支撐構件具有:面向該閥座而開口的閥收容凹部 ,而且是使該閥構件用以對該閥座進行卡合或解除卡合而 能夠位移地將之收容,並且在與該閥構件之間劃分出背壓 室的閥收容凹部;以及可從該流體通路將加壓流體導入該 背壓室內的連通路, 該閥構件具有第1閥部及第2閥部, 該第1閥部具有:具備可卡合在該閥座之環狀卡合面 φ 的前面:以及在該前面之該環狀卡合面的內側貫穿該第1 閥部,使該背壓室與該閥支撐構件之外側連通的貫穿孔, 該第2閥部是由彈推手段所彈推而封閉該貫穿孔,且 該第2閥部可藉由抵抗過該彈推手段及施加於該第2閥部 之背壓室內的流體壓力而被移動,使該貫穿孔開啓而使該 背壓室內的流體壓力降低,並藉由施加在該第1閥部之外 側面之該流體通路的流體壓力,使該第1閥部被推到該閥 收容凹部內而從閥座離開。 • 此管接頭當中,在閥構件封閉的狀態下,於該閥構件 會施加第1接頭構件內部的流體壓力及閥收容凹部內之彈 推手段的彈力,該閥構件相對於閥座會受到推壓而確實封 閉,而且要開啓閥構件時,可藉由彈推手段施加於第2閥 部的彈力及流體壓力而推入該第2閥部來開啓閥構件。亦 即,可確實將閥構件封閉,並以輕微的力量開啓。 具體而言,相對於閥座可於該筒狀構件之軸線方向位 移的該第1閥部的周面可具有與該閥收容凹部之周面滑動 的第1閥部滑動面,並以該第1閥部滑動面與該閥收容凹 -6- (4) (4)1325478 部的周面之間所形成的間隙作爲該連通路° 該連通路的其他形態爲’可在支撐構件設置用以連通 位於其外側的該流體通路及該背壓室的小孔’並以該小孔 作爲該連通路。 連通路可實現加壓流體之於背壓室的塡充’並且在第 2閥部將第1閥部之貫穿孔開啓後的情況下,必須使背壓 室內的加壓流體從該貫穿孔的流出可以比加壓流體經由該 連通路流入至背壓室內更爲快速,因而該連通路的流路面 積需要準確度,但是以上述間隙爲連通路的情況下,要正 確形成其流路面積相當困難,相對於此,設在支撐構件的 小孔可正確地製作出其流路面積。 在此情況下,最好更進一步設置:連接於該閥收容凹 部的內周面與該第1閥部之間,使位於該閥支撐構件之外 側的該流體通路與該背壓室之連通流體予以遮斷的隔膜。 亦即,藉由設置隔膜,上述間隙會被遮斷,從流體通 路進入到背壓室內的加壓流體便可僅通過上述小孔而流入 。又,由於要正確形成該小孔的剖面較爲容易,因此便可 容易地正確調整加壓流體之於背壓室的流入。 可在該第1接頭構件與該第2接頭構件連結後時,該 閥構件的該第2閥部受到該第2接頭構件而被推入,使該 貫穿孔開放。 藉由如此行’只要藉由第2接頭構件相對於第1接頭 構件的連結操作,便可進行閥構件的開放,且可簡單進行 該連結操作。 (5) (5)1325478 具體而言, 可以該第2接頭構件爲公型構件,並以該第1接頭構 件作爲具有用以接受該第2接頭構件之接頭構件接受部的 母型構件, 該第1接頭構件在接頭構件接受部與該閥構件之間具 有閥推入構件, 該第2接頭構件被插入該接頭構件接受部內時,該第 2接頭構件會經由該閥推入構件推入該閥構件的該第2閥 部而開啓該貫穿孔》 又,在此情況下, 該第1接頭構件最好在該接頭構件接受部與該閥構件 之間具備密封環’該第2接頭構件在插入該接頭構件接受 部內而推入該推入構件之前’該密封環是密封卡合在該第 2接頭構件的外側面。 亦即,是爲了在閥構件開放之前進行第1接頭構件相 對於第2接頭構件之連接部分的密封,以避免流體的洩漏 〇 又最好, 該接頭構件接受部具有相對於該流體通路可朝徑向位 移的上鎖構件, 該第2接頭構件’具有插入到該第1接頭構件接受部 內時會與該上鎖構件卡合,以使該第2接頭構件不能從該 第1接頭構件脫出的上鎖凹部, 該閥構件的該第1閥部’在上鎖構件卡合於上鎖凹部 -8 - (6) 1325478 的階段,會從該閥座離開。這是爲了可安全地進行第1及 第2接頭構件的連結。 本發明又亦可如上所述,並非伴隨第2接頭構件之於 第1接頭構件的連結動作而開啓閥構件,而是該第1接頭 構件,係具有從該第1接頭構件的外側移動該第2閥部, 以使該閥構件之該第1閥部的該貫穿孔開閉的閥操作手段 〇 φ 具體而言, 該閥支撐構件的該閥收容凹部,係具有:用以收容該 閥構件之該第1閥部的第1閥部收容部:以及可滑動地收 容該第2閥部的第2閥部收容部,且該第2閥部收容部是 具有:當該第2閥部從該第2閥部收容部在該第1閥部收 容部內延伸而位於將該閥構件之第1閥部的該貫穿孔封閉 的位置時,該第2閥部所佔的收容部分;以及接續於該收 容部分,該第2閥部被移動用來開啓該貫穿孔時之能夠達 • 成該第2閥部之動作的可動部分, 該閥操作手段,具有從該第1接頭構件的外側延伸於 該閥支撐構件內,而連接於該閥構件之第2閥部的操作插 銷, 該閥支撐構件具有插銷保持部,該插銷保持部具有: 從該第2閥部收容部朝向該筒狀構件之外側延伸的插銷收 容孔,而且該插銷收容孔,是用以將該操作插銷收容在該 插銷收容孔內,使該操作插銷可藉由來自該第1接頭構件 之外側的操作而被移動,藉此得以進行該閥構件之該第1 -9- (7) 1325478 閥部之貫穿孔的開閉。 - 更具體而言,可爲, . 該操作插銷是以橫貫該筒狀構件之方式延伸, 該第1接頭構件,係具有設在該筒狀構件之外周面上 而可卡合在該操作插銷之兩端的操作構件, 藉由該操作構件使該操作插銷移動,以操作該閥構件 的第2閥部。 φ 在此情況下,可爲, 該操作構件具有可在該筒狀構件的周圍朝圓周方向轉 動’並且與操作插銷之兩端卡合的凸輪輪廓部,藉由轉動 該操作構件’該操作插銷的兩端會沿著該凸輪輪廓部相對 動作,藉此操作該閥構件的第2閥部。 在如此的情況下, 最好使該閥構件的第1閥部及第2閥部在爲使該貫穿 孔開啓而移動該第2閥部之後會相互連結,當該第2閥部 φ 更進一步移動時,該第1閥部會從該閥座離開而一起移動 〇 藉由如此行,在第1及第2接頭構件的流體通路連通 的狀態下,該第2接頭構件會保持第1接頭構件,以免該 第1閥部不小心卡合在閥座。 再者, 該第1閥部爲卡合於該閥座,且該閥構件的第2閥部 以具有殘壓逃逸孔爲理想,該殘壓逃逸孔是當該閥構件的 第2閥部位於將該第1閥部之該貫穿孔封閉的位置時’會 -10- (8) 1325478 經由該貫穿孔與該第1閥部的該前面側連通,並且與該插 銷收容孔連通,而當該閥構件的該第2閥部被調整至位於 將該貫穿孔開啓的位置時,會從該插銷收容孔被密封遮斷 〇 亦即,此殘壓排出孔在貫穿孔開啓、閥構件開啓的狀 態(亦即,第1及第2接頭構件連通的狀態)下會被密封 遮斷,但是在閥構件封閉的狀態(亦即第1及第2接頭構 φ 件之連通被遮斷的狀態)下,可使第2接頭構件的流體通 路與該管接頭的外部連通,使位於第2接頭構件內部的殘 壓逃逸,且可從第1接頭構件安全地卸下第2接頭構件。 [發明效果] 根據本發明的管接頭,是由第1閥部及第2閥部構成 閥構件而設定在閥收容凹部內,當閥構件封閉時,與該閥 收容凹部內連通的接頭構件之流體通路的流體壓力以及被 φ 設定在該閥收容凹部內的彈推手段的彈力會將該閥構件推 壓至閥座,使該閥構件確實位於封閉位置,要開啓閥構件 時,只要抵抗施加於該第2閥部的彈力及流體壓力而移動 該閥構件的第2閥部即可,因而能以輕微的力量開啓。 【實施方式】 首先,利用第1圖〜第3圖來說明本發明之管接頭的 第1實施形態》 第1實施形態的管接頭2是如第2圖所示,具有作爲 -11 - (9) 1325478 母型構件的第1接頭構件21;以及可插入連結於該母型 • 構件之作爲公型構件的第2接頭構件22。 第〗接頭構件21是如第1圖所示,具備··有空氣配 管之軟管等的導管(未圖示)連接於一端的第〗筒狀構件 7〇 ;以及以外嵌有套筒78的狀態,藉由螺絲結合於第1 筒狀構件70之另一端的第2筒狀構件80。第1筒狀構件 7〇具備:流體通路72、配設在該流體通路72之內部的圓 φ 錐形閥支撐構件74、以及設在閥支撐構件74內的閥構件 76 - 第1筒狀構件70與第2筒狀構件80之間是藉由Ο 形環82而謀求密封。 在第2筒狀構件80當中之套筒78的內側部分設有附 錐度的貫穿孔86而收容有上鎖構件88,該上鎖構件88 會卡合在如第2圖插入該第2筒狀構件80的第2接頭構 件22之外周面的上鎖凹部89,以使該第2接頭構件在該 φ 第1接頭構件連結成不會脫出的狀態。套筒78是藉由設 在第2筒狀構件80之端部的止動環90而不會脫出,並且 由彈簧92所彈推而可卡合在該止動環90,在此位置是朝 徑向內側推壓上鎖構件88,並抵抗彈簧92而使該套筒78 朝左方位移,使形成在該套筒78之右端內周面的上鎖構 件開放凹面95與上鎖構件88整合,藉此便可使該上鎖構 件8 8朝徑向外側位移。 閥支撐構件74具有圓錐狀部分74-1、圓筒狀部分 74-2、形成在該圓筒狀部分之前端的突緣部分74-3,在圓 -12- (10) 1325478 筒狀部分74-2設有貫穿孔74-4,該突 . 1及第2筒狀構件70、80之間而固定 74設有以面向形成在第2筒狀構件80 形成開口之用來收容閥構件76的閥收? 閥構件76是由主閥部(第1閥部 第2閥部)94所構成。主閥部98可在 方向(第1筒狀構件的軸線方向)位移 φ 線方向貫穿的貫穿孔96。該主閥部98 環100,可卡合在第2筒狀構件80的展 第1接頭構件2 1之流體通路的開閉。 導向閥部94是受到設在閥收容凹丨 彈推,以封閉主閥部98的貫穿孔96。 在第2筒狀構件80內,有閥推入 閥部94與設在第2筒狀構件之內周面〖 。閥推入構件1 04會伴隨第2接頭構件 φ 構件21而朝第2圖的左方被移動,並j 動,以開啓貫穿孔96。如圖面所示, 是由卡合在導向閥部94的輪轂部分1 轂部分朝徑向外側延伸的複數個輪幅部 接下來,說明第1實施形態之管接 接頭構件21、22的連結操作。 第1圖顯示未插入有第2接頭構件 件21。在此狀態下,導向閥部94是受 推而封閉貫穿孔96,第1接頭構件21 緣部分是被夾在第 。在該閥支撐構件 之閥座102的方式 穿凹部97。 )98及導向閥部( 第1圖看來的左右 ,在中心設有於軸 在其前面設有0形 3座102,以進行該 部內的螺旋彈簧93 構件104設在導向 的〇形環106之間 :22插入第1接頭 L使導向閥部94移 該閥推入構件104 〇4-1 ;以及從該輪 分104-2所構成。 頭2的第1及第2 22的第1接頭構 到螺旋彈簧93彈 之流體通路72的 -13- (11) 13254781325478 (1) EMBODIMENT OF THE INVENTION [Technical Field] The present invention relates to a pipe joint having a valve, and is capable of opening a valve with a slight force even if the pressure inside the fluid pipe to which the pipe joint is connected is high. Pipe joints. [Prior Art] Φ This pipe joint is disclosed, for example, in Patent Document 1. The female member of the pipe joint of Patent Document 1 has a valve support member which is fixed in a fluid passage of the female member and has one end open toward the end for receiving the male member and the other end closed. The valve accommodates the recess. The valve member is slidably received in the valve housing recess and is springed toward the valve seat by the spring. The valve member is formed with a communication hole for communicating the inside of the valve housing recess and the outside of the side receiving the male member. When the male member is inserted into the female member, the valve member is pushed in toward the valve housing recess and is separated from the Φ valve seat to open the fluid passage. That is, the female member of the pipe joint communicates the inside of the valve receiving recess with the outside through the communication hole, so that the inside of the valve receiving recess is equal to the external pressure, so as to reduce the influence of the fluid pressure exerted on the valve member by the female member. Thereby, the valve member can be opened with a slight force, and the connection of the male member to the female member can be easily performed. [Patent Document] Japanese Unexamined Patent Publication No. Hei No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. No. Hei. In the _ valve seat, the valve member and the valve seat are sealed, but as much as possible, no large fluid pressure is applied, or the sealing property may be deteriorated. Further, a seal ring is attached around the valve member so as to be slidably engaged with the peripheral wall of the valve housing recess, and the sealability between the seal members is obtained. However, the seal ring may adhere to the peripheral wall of the valve housing recess. When the male member is separated from the female member, the recovery of the valve member by the spring inside the valve housing recess cannot be sufficiently Φ, and leakage may occur. SUMMARY OF THE INVENTION The present invention has been made in view of such circumstances, and it is an object of the invention to provide a joint of a female and a male member by a simple operation and to obtain a pipe joint having high sealing property. [Means for Solving the Problem] That is, the present invention provides a pipe joint, and is a pipe joint having first and second joint members connected to each other, wherein the first joint member has: a cylinder having a fluid passage An annular valve seat provided around the fluid passage of the tubular member; a valve provided in the tubular member and opening and closing the fluid passage by engaging or disengaging the valve seat a member; and a valve support member disposed in the fluid passage of the tubular member and supporting the valve member, -5-(3) 1325478 the valve support member having: a valve receiving recess opening toward the valve seat, And a valve housing recess that allows the valve member to be engaged or disengaged with the valve seat to be displaced, and a back pressure chamber is partitioned between the valve member; and the fluid can be removed from the fluid The passage introduces a pressurized fluid into a communication passage in the back pressure chamber, the valve member having a first valve portion and a second valve portion, the first valve portion having an annular engagement surface φ engageable with the valve seat Front: and the ring in front of the a through hole through which the inner side of the joint surface penetrates the first valve portion and communicates with the outer side of the valve support member, and the second valve portion is pushed by the elastic pushing means to close the through hole, and the first portion The valve portion can be moved by resisting the elastic pushing means and the fluid pressure applied to the back pressure chamber of the second valve portion, so that the through hole is opened to reduce the fluid pressure in the back pressure chamber, and by The fluid pressure of the fluid passage applied to the outer surface of the first valve portion causes the first valve portion to be pushed into the valve housing recess and to be separated from the valve seat. • In the pipe joint, when the valve member is closed, the fluid pressure inside the first joint member and the elastic force of the spring pushing means in the valve housing recess are applied to the valve member, and the valve member is pushed against the valve seat. When the valve member is opened, the valve member is opened, and the spring force and the fluid pressure applied to the second valve portion by the elastic pushing means are pushed into the second valve portion to open the valve member. That is, the valve member can be surely closed and opened with a slight force. Specifically, the circumferential surface of the first valve portion that is displaceable in the axial direction of the tubular member with respect to the valve seat may have a first valve portion sliding surface that slides with the circumferential surface of the valve housing recess, and A gap formed between the sliding surface of the valve portion and the circumferential surface of the valve housing recess -6-(4) (4) 1325478 is used as the communication path. The other form of the communication path is 'can be provided on the support member. The fluid passage located at the outer side thereof and the small hole ' of the back pressure chamber are connected and the small hole is used as the communication path. The communication passage can realize the charging of the pressurized fluid to the back pressure chamber and, in the case where the second valve portion opens the through hole of the first valve portion, the pressurized fluid in the back pressure chamber must be made from the through hole. The outflow may be faster than the pressurized fluid flowing into the back pressure chamber via the communication path, and thus the flow path area of the communication path needs to be accurate. However, when the gap is the communication path, the flow path area is correctly formed. Difficult, in contrast, the small hole provided in the support member can accurately create the flow path area. In this case, it is preferable to further provide a connection between the inner circumferential surface of the valve housing recess and the first valve portion to connect the fluid passage on the outer side of the valve support member to the back pressure chamber. The diaphragm that is blocked. That is, by providing the diaphragm, the gap is blocked, and the pressurized fluid entering the back pressure chamber from the fluid passage can flow only through the small holes. Further, since it is easy to form the cross section of the small hole correctly, it is possible to easily adjust the inflow of the pressurized fluid to the back pressure chamber. When the first joint member is coupled to the second joint member, the second valve portion of the valve member is pushed by the second joint member to open the through hole. By doing so, the valve member can be opened by the connection operation of the second joint member with respect to the first joint member, and the joint operation can be easily performed. (5) (5) 1325478 Specifically, the second joint member may be a male member, and the first joint member may be a female member having a joint member receiving portion for receiving the second joint member, The first joint member has a valve pushing member between the joint member receiving portion and the valve member, and when the second joint member is inserted into the joint member receiving portion, the second joint member is pushed into the joint member through the valve pushing member. In the case where the second valve portion of the valve member opens the through hole, the first joint member preferably includes a seal ring between the joint member receiving portion and the valve member. The seal ring is sealed and engaged with the outer surface of the second joint member before being inserted into the joint member receiving portion and pushed into the push member. That is, in order to seal the connection portion of the first joint member with respect to the second joint member before the valve member is opened, to avoid leakage of the fluid, and preferably, the joint member receiving portion has a direction relative to the fluid passage a locking member that is radially displaced, and the second joint member' is engaged with the locking member when inserted into the first joint member receiving portion, so that the second joint member cannot be released from the first joint member The locking recess, the first valve portion ' of the valve member is separated from the valve seat when the locking member is engaged with the locking recess -8 - (6) 1325478. This is for the purpose of safely connecting the first and second joint members. Further, in the present invention, as described above, the first joint member may be opened from the outside of the first joint member without opening the valve member in conjunction with the connection operation of the first joint member to the first joint member. a valve operating means for opening and closing the through hole of the first valve portion of the valve member, specifically, the valve receiving recess of the valve supporting member is configured to receive the valve member a first valve portion accommodating portion of the first valve portion and a second valve portion accommodating portion slidably accommodating the second valve portion, and the second valve portion accommodating portion has a second valve portion When the second valve portion accommodating portion extends in the first valve portion accommodating portion and is located at a position where the through hole of the first valve portion of the valve member is closed, the accommodating portion occupied by the second valve portion; and the splicing portion a accommodating portion, wherein the second valve portion is moved to open a movable portion of the through hole, and the valve operating means extends from an outer side of the first joint member Operation in the valve support member and connected to the second valve portion of the valve member a pin supporting portion having a latch holding portion having a pin receiving hole extending from the second valve portion housing portion toward the outer side of the tubular member, and the pin receiving hole for performing the operation The latch is received in the latch receiving hole, so that the operating latch can be moved by an operation from the outer side of the first joint member, thereby performing the first -9-(7) 1325478 valve portion of the valve member Opening and closing of the through hole. - More specifically, the operation pin is extended across the tubular member, and the first joint member is provided on the outer peripheral surface of the tubular member to be engageable in the operation latch The operating members at both ends move the operating pin by the operating member to operate the second valve portion of the valve member. φ In this case, the operating member may have a cam profile portion that is rotatable in the circumferential direction around the cylindrical member and engages with both ends of the operating pin, by rotating the operating member' the operating latch Both ends of the valve member are opposed to each other along the cam profile portion, thereby operating the second valve portion of the valve member. In such a case, it is preferable that the first valve portion and the second valve portion of the valve member are connected to each other after the second valve portion is moved to open the through hole, and the second valve portion φ is further extended. When moving, the first valve portion moves away from the valve seat and moves together. By doing so, the second joint member holds the first joint member in a state where the fluid passages of the first and second joint members communicate with each other. In order to prevent the first valve part from accidentally engaging the valve seat. Further, the first valve portion is engaged with the valve seat, and the second valve portion of the valve member preferably has a residual pressure escape hole, and the residual pressure escape hole is when the second valve portion of the valve member is located When the through hole of the first valve portion is closed, the meeting -10 (8) 1325478 communicates with the front side of the first valve portion via the through hole, and communicates with the pin receiving hole. When the second valve portion of the valve member is adjusted to be in a position to open the through hole, the plug receiving hole is sealed and blocked, that is, the residual pressure discharge hole is opened in the through hole and the valve member is opened. (that is, the state in which the first and second joint members are in communication) is blocked by the seal, but the valve member is closed (that is, the state in which the first and second joint members are disconnected) The fluid passage of the second joint member can communicate with the outside of the pipe joint, the residual pressure inside the second joint member can escape, and the second joint member can be safely removed from the first joint member. [Effect of the Invention] The pipe joint according to the present invention is a valve member that is formed by the first valve portion and the second valve portion and is disposed in the valve housing recess. When the valve member is closed, the joint member that communicates with the valve housing recess is provided. The fluid pressure of the fluid passage and the elastic force of the spring pushing means set by φ in the valve housing recess push the valve member to the valve seat, so that the valve member is indeed in the closed position, and when the valve member is to be opened, the resistance is applied The second valve portion of the valve member can be moved by the elastic force and the fluid pressure of the second valve portion, so that it can be opened with a slight force. [Embodiment] First, a first embodiment of a pipe joint according to the present invention will be described with reference to Figs. 1 to 3. The pipe joint 2 of the first embodiment has a -11 - (9) as shown in Fig. 2 1325478 The first joint member 21 of the female member; and the second joint member 22 as a male member that is coupled to the female member. As shown in Fig. 1, the first joint member 21 is provided with a pipe (not shown) having a hose or the like having an air pipe, and the like, and a cylindrical member 7〇 connected to one end; In the state, the second cylindrical member 80 is screwed to the other end of the first tubular member 70. The first tubular member 7A includes a fluid passage 72, a circular φ conical valve support member 74 disposed inside the fluid passage 72, and a valve member 76 provided in the valve support member 74 - a first cylindrical member The sealing between the 70 and the second tubular member 80 is achieved by the beak ring 82. The inner side portion of the sleeve 78 of the second cylindrical member 80 is provided with a tapered through hole 86 to accommodate the locking member 88, and the locking member 88 is engaged with the second cylindrical shape as shown in Fig. 2 The locking recessed portion 89 on the outer circumferential surface of the second joint member 22 of the member 80 is such that the second joint member is coupled to the φ first joint member so as not to come out. The sleeve 78 is not released by the stopper ring 90 provided at the end of the second tubular member 80, and is biased by the spring 92 to be engaged with the stopper ring 90. The locking member 88 is urged toward the radially inner side, and the sleeve 78 is displaced to the left against the spring 92, so that the locking member opening concave surface 95 and the locking member 88 formed on the inner peripheral surface of the right end of the sleeve 78 are formed. Integration, whereby the locking member 88 is displaced radially outward. The valve support member 74 has a conical portion 74-1, a cylindrical portion 74-2, and a flange portion 74-3 formed at the front end of the cylindrical portion, in the circle -12-(10) 1325478 cylindrical portion 74- 2 is provided with a through hole 74-4 between the protrusion 1 and the second cylindrical members 70 and 80, and the fixing 74 is provided with a valve for accommodating the valve member 76 formed to face the second cylindrical member 80. Receive? The valve member 76 is constituted by a main valve portion (first valve portion second valve portion) 94. The main valve portion 98 is displaceable in the direction (the axial direction of the first tubular member) through the through hole 96 penetrating in the φ line direction. The main valve portion 98 ring 100 is engageable with the opening and closing of the fluid passage of the first joint member 21 of the second tubular member 80. The pilot valve portion 94 is received by a through hole 96 provided in the valve housing recess to close the main valve portion 98. In the second tubular member 80, a valve push-in valve portion 94 and an inner circumferential surface provided on the second cylindrical member are provided. The valve pushing member 104 is moved to the left side of the second figure along with the second joint member φ member 21, and is moved to open the through hole 96. As shown in the figure, a plurality of spoke portions that are radially outwardly extended by the hub portion 1 of the guide valve portion 94 are engaged. Next, the connection of the pipe joint members 21 and 22 of the first embodiment will be described. operating. Fig. 1 shows that the second joint member 21 is not inserted. In this state, the pilot valve portion 94 is pushed to close the through hole 96, and the edge portion of the first joint member 21 is sandwiched. The recessed portion 97 is passed through the valve seat 102 of the valve support member. 98) and the guide valve portion (the left and right sides of the first view, the center is provided with a 0-shaped 3 seat 102 at the front of the shaft to perform the coil spring 93 in the portion. The member 104 is disposed on the guide ring 106. Between: 22 insertion of the first joint L causes the pilot valve portion 94 to move the valve pushing member 104 〇 4-1; and from the wheel 104-2. The first joint of the first and second 22 of the head 2 13- (11) 1325478 constructed to the fluid passage 72 of the coil spring 93

加壓流體會通過閥支撐構件74之閥收容凹部97的周面與 _ 主閥部98的周面(第1閥部滑動面)之間的微小間隙G ,然後塡充在主閥部98與閥收容凹部97的內壁面之間所 形成的背壓室97-1。 在套筒78由使用者朝左方移動,以解除利用該套筒 78的上鎖構件88於徑向之推壓的狀態下,當第2接頭構 件22被插入第2筒狀構件80時,在該過程當中,第2接 φ 頭構件22的前端面會與閥推入構件1〇4接觸而朝第2圖 的左方推入。藉此,導向閥部94會朝左方被移動,使貫 穿孔96開啓。 • 由於貫穿孔96會被開啓,因此背壓室97-1內的加壓 流體會通過該貫穿孔96而流出,使該背壓室97-1內的壓 力降低。藉此,主閥部98會因爲流體通路72的流體壓力 而位移,〇形環100會從閥座102離開,使流體通路72 開放,加壓流體會朝第2接頭構件22的流體通路24側流 φ 動。如第2圖所示,在〇形環1〇〇從閥座102離開前的 階段,第2接頭構件22的外周面會在0形環〗06密封並 卡合。 當第2接頭構件22進入直到其上鎖凹部89與上鎖構 件88整合的位置時,套筒78會回到第2圖所示的位置, 使第2接頭構件與第1接頭構件連結。 要從第1接頭構件卸下第2接頭構件時是使套筒78 朝左方位移,使上鎖構件開放凹面95與上鎖構件88在半 徑方向整合,以解除利用該套筒的上鎖構件於徑向之推壓 -14- (12) 1325478 ,從第1接頭構件21抽出第2接頭構件22時,導向閥部 94會因爲螺旋彈簧93而回到將主閥部98之貫穿孔96封 閉的位置。 接下來,利用第4圖〜第9圖來說明本發明之管接頭 的第2實施形態。 此實施形態的管接頭1基本上是形成與第1實施形態 之管接頭相同的構成。 φ 首先,此管接頭1具有:作爲母型構件的第1接頭構 件10;以及插入連結於該母型構件之作爲公型構件的第2 接頭構件22。 第1接頭構件10具備:有空氣配管之軟管等的導管 (未圖示)連接於一端的第1筒狀構件11;以及以外嵌 有套筒1 8的狀態,藉由螺絲結合於第1筒狀構件1 1之另 一端的第2筒狀構件20。第1筒狀構件11是如第4圖所 示,具備流體通路12;配設在該流體通路12之中心部的 φ 閥支撐構件14、以及設在閥支撐構件14的閥構件16。 閥支撐構件14是如第5a圖〜第5d圖所示,具有配置 成同心狀的外側圓筒部14-1及內側圓筒部14_2,在該等 之間形成有通流路1 5。外側圓筒部1 4-1及內側圓筒部 14-2是藉由在第5d圖中大致朝直徑方向垂直延伸的連結 部14-3而連結。 內側圓筒部14-2具有閥收容凹部26,閥收容凹部26 的一端(第4圖的左端)爲閉鎖狀態,另一端(第4圖的 右端)爲開口狀態。又,閥收容凹部26是如第4圖所示 -15- (13) 1325478 ’具有用來收容閥構件之第1閥部的第1閥部收容部26· . 1、以及可滑動地收容第2閥部的第2閥部收容部26-2。 在外側圓筒部14-1的外周面形成有一對環狀凹槽48’可 嵌合〇形環28,使該0形環密封卡合在第1筒狀構件Π 及第2筒狀構件20的內周面。又,內側圓筒部14-2的內 面具有三個外徑朝流體之行進方向(第4圖的右方)變大 的段差。 φ 連結部14-3是使橫剖面爲橢圓的插銷收容孔49在該 連結部14-3的長度方向貫穿,在此插銷收容孔49有操作 插銷50通過。如第6圖(第4圖的A-A線剖面圖)所示 - ’操作插銷50是使其兩端插入第1筒狀構件11之外周所 安裝的操作環52的引導凹槽(凸輪輪廓部)54內。引導 凹槽54是如第7圖所示,使其相對於圓周方向具有角度 0 ’並依操作環52的旋轉,使操作插銷50在與圓周方向 正交的軸線方向位移。操作環52是藉由止動環56固定而 φ 不會從第1筒狀構件11脫出。 安裝在閥支撐構件14的閥構件16是由具有設在半徑 方向中心的貫穿孔34的主閥部(第1閥部)36;以及圓 柱狀的導向閥部(第2閥部)32所構成,分別是在閥收 容凹部內設置成可在該閥支撐構件14的軸線方向位移。 主閥部36在其環狀的端面(前面)具有〇形環44, 該〇形環44可卡合在形成於第2筒狀構件20的閥座46 〇 導向閥部32是如第8a圖〜第8c圖所示,具有軸線方 -16- (14) 1325478 向孔320 ;設在該孔320之一端,並且朝直徑方向貫穿的 直徑方向孔322;以及在該導向閥部的外周面設置成與該 直徑方向孔322連通的環狀凹槽324。導向閥部32是以 由一對〇形環39密封的狀態被插入閥支撐構件1 4內, 而且是在此狀態下,由配設在閥收容凹部26內的螺旋彈 簧38朝流體下游方向(右方)彈推。又,導向閥部32是 經由藉由該主閥部36而保持的球形卡合子40與該主閥部 φ 結合,但是該卡合子40是卡合在形成於導向閥部之外周 面的環狀凹槽42內,以使主閥部36與導向閥部32在軸 線方向可稍微相對移動。 . 再者,如第8a圖、第8b圖所示,在導向閥部32有 會與操作插銷50卡合的半圓狀剖面的凹槽33,設置成朝 向該導向閥部之圓形剖面的接線方向延伸。又,在導向閥 部32之與主閥部36卡合的前端部分形成有環狀凹部326 ,該環狀凹部是經由形成在主閥部36的連通路37,與位 φ 於主閥部36背後的閥收容凹部2*6連通。又,在與導向閥 部32之前端相對向的主閥部36之內側的對向面是如第4 圖所示設有〇形環35。 在第2筒狀構件20與第1實施形態同樣設有:可卡 合在第2接頭構件22之上鎖凹部62的上鎖構件60;相 對於該上鎖凹部對上鎖構件60進行推壓/解除推壓的套筒 18;以及彈推該套筒18而推壓至第4圖所示之位置的彈 簧66。又’在第2筒狀構件20之內面設有用來密封可插 入連結於母型構件的公型構件的〇形環68。 -17- (15) 1325478 接下來,說明第2實施形態之管接頭的閥的開閉震 〇 首先’第2接頭構件22相對於第1接頭構件10& 結操作與第1實施形態的情況相同,第4圖顯示出公1 件連結於母型構件的狀態。在此狀態下,流體通路】2 的加壓流體(例如空氣)會通過閥支撐構件14與主閥 3 6之間的微小間隙G,然後塡充在位於主閥部3 6之背 φ 側之作爲背壓室的第1閥部收容部26-1(以下簡稱爲 壓室26-1)內。此時,導向閥部32與閥收容凹部26 內壁面之間是由0形環39所密封,塡充在背壓室26-1 的加壓流體並不會從插銷收容孔49漏出至外部。又, 在導向閥部32的軸線方向孔320、直徑方向孔3 22是 由插銷收容孔49,使第2接頭構件22的流體通路24 該管接頭的外部連通。 在此狀態下,要使閥構件16開放時,是先旋轉操 φ 環52,使操作插銷50從第4圖的位置後退至位於第9 的位置。藉此,卡合在該操作插銷50的導向閥部32也 被移動。此時,經由卡合子40及卡合凹槽42而卡合的 閥部36’由於在該卡合子40與卡合凹槽42之間有空 ’所以剛開始主閥部36不會移動,因此導向閥部32會 對於主閥部36相對動作,使貫穿孔34與位於主閥部 背後的背壓室26-1連通。與此同時,導向閥部32的直 方向孔322會在第4圖看來,與位於左側的〇形環39 合或是較之更爲左側的位置,並且從插銷收容孔49被 作 連 構 內 部 面 背 的 內 設 經 與 作 圖 會 主 隙 相 36 徑 整 密 -18- (16) 1325478 封。亦即,第2接頭構件22的流體通路24會從外部被遮 . 斷。 在此狀態下,背壓室26-1內的加壓流體會朝第2接 頭構件22的流體通路24側流出,所以該背壓室26-1內 的壓力會降低,因此主閥部36會因爲施加在主閥部36的 第1接頭構件10內的流體壓力而朝左方被移動,該主閥 部前面的Ο形環44會從閥座46離開,使得第1及第2 φ 接頭構件10、22的流體通路12、24連通。 爲了從第1接頭構件10卸下第2接頭構件22而關閉 閥構件時,是藉由朝向與上述相反的方向旋轉操作環52 ,使操作插銷回到第4圖所示的位置,藉此,使導向閥部 32及主閥部36 —起回到封閉位置。此時,導向閥部32 的直徑方向孔322會位於比第4圖左側的Ο形環39更右 側的位置,並形成與插銷收容孔49連通的狀態。因此, 第2接頭構件內的流體通路24會經由軸線方向孔3 20及 φ 直徑方向孔322與該管接頭的外部連通,使流體通路24 內的殘壓逃逸至外部。在該狀態下,若是從母型構件卸下 公型構件,並不會有因爲殘壓所導致的公型構件之破壞等 ,而可安全地卸下。 以上,已針對本發明之實施形態加以說明,但本發明 並不限於這些實施例,而可進行各種的變更。例如,第2 實施形態當中,閥收容凹部具有相對於閥座可於該筒狀構 件之軸線方向位移的主閥部之周面所滑動的滑動面,而且 是經由形成在該滑動面與該主閥部的周面之間的間隙G, -19- (17) 1325478 使流體通路的加壓流體進入背壓室內,但是此加壓流體朝 背壓室的流入亦可不經由此間隙,而是在該閥支撐體設置 使流體通路與背壓室連通的小孔來進行。再者,可設置與 該閥收容凹部的內周面及第1閥部連接而封閉上述間隙G 的隔膜,以遮斷加壓流體經由該間隙朝向背壓室的流入, 並且設置上述小孔,使加壓流體僅可從該小孔流入。要使 間隙G的流路剖面正確地形成有其困難的一面,但是要 正確地形成小孔的流路面積較爲容易,因此可更爲正確地 調整加壓流體朝向背壓室的流入。又,第2實施形態當中 ,導向閥部(第2閥部)比起主閥部(第丨閥部)是被定 位在該母型接頭構件的內側,但是亦可設在其相反側(亦 即插入公型構件之側)》 【圖式簡單說明】 第1圖是本發明之第1實施形態的管接頭之第i接頭 鲁 構件的剖面圖’顯示出未連結有第2接頭構件,而是閥封 閉狀態。 第2圖是正在該第1接頭構件連結第2接頭構件之狀 態的剖面圖。 第3圖是第2圖的剖面圖’是將第2接頭構件連結於 第1接頭構件並顯示閥開啓狀態。 第4圖是本發明之第2實施形態的管接頭的剖面圖, 並顯示閥封閉狀態。 第5a圖是第4圖之管接頭當中的閥支撐構件的詳細 -20- (18) (18)1325478 構成平面圖。 第5b圖是第4圖之管接頭當中的閥支撐構件的詳細 構成剖面圖。 第5c圖是第4圖之管接頭當中的閥支撐構件的詳細 構成的正面剖面圖。 第5d圖是第4圖之管接頭當中的閥支撐構件的詳細 構成側面圖。 第6圖是第4圖之A-A線的剖面圖。 第7圖是第4圖所示之操作環的平面圖,並顯示引導 凹槽與操作插銷的關係。 第8a圖是第4圖所示之導向閥部的詳細構成平面圖 〇 第8b圖是第4圖所示之導向閥部的詳細構成縱剖面 圖。 第8c圖是第4圖所示之導向閥部的詳細構成橫剖面 圖。 第9圖是與第4圖相同的剖面圖,顯示出第1及第2 接頭構件連結,且閥爲開啓的狀態。 【主要元件符號說明】 1 :管接頭 2 :管接頭 1 0 :第1接頭構件 1 1 :第1筒狀構件 -21 - (19) (19)1325478 1 2 :流體通路 1 4 :閥支撐構件 14-1 :外側圓筒部 14-2 :內側圓筒部 14_3 :連結部 1 5 :通流路 1 6 :閥構件 1 8 :套筒 20 :第2筒狀構件 21 :第1接頭構件 22 :第2接頭構件 24 :流體通路 26 :閥收容凹部 26-1 :第1閥部收容部(背壓室) 26-2 :第2閥部收容部 28 : Ο形環 32 :導向閥部(第2閥部) 33 :凹槽 3 4 :貫穿孔 3 5 : Ο形環 36 :主閥部(第1閥部) 37 :連通路 3 8 :螺旋彈簧 3 9 : Ο形環 -22- (20) (20)1325478 40 :卡合子 42:環狀凹槽(卡合凹槽) 44 : Ο形環 46 :閥座 48 :環狀凹槽 49 :插銷收容孔 5 0 :操作插銷 5 2 :操作環 54 :引導凹槽 5 6 :止動環 60 :上鎖構件 62 :上鎖凹部 66 :彈簧 6 8 : Ο形環 70 :第1筒狀構件 72 :流體通路 74 :閥支撐構件 74-1 :圓錐狀部分 74-2 :圓筒狀部分 74-3 :突緣部分 7 4 - 4 :貫穿孔 76 :閥構件 78 :套筒 8 0 :第2筒狀構件 -23- (21) (21)1325478 82 : 0形環 8 6 :貫穿孔 8 8 :上鎖構件 89 :上鎖凹部 90 :止動環 92 :彈簧 93 :螺旋彈簧 94 :導向閥部 95 :上鎖構件開放凹面 96 :貫穿孔 97 :閥收容凹部 97-1 :背壓室 98 :主閥部 1 0 0 : Ο形環 1 02 :閥座 104 :閥推入構件 104-1 :輪轂部分 104-2 :輪幅部分 1 0 6 : Ο形環 3 2 0 :軸線方向孔 3 2 2 :直徑方向孔 324 :環狀凹槽 3 26 :環狀凹部 G :間隙(連通路) -24The pressurized fluid passes through a small gap G between the circumferential surface of the valve housing recess 97 of the valve support member 74 and the circumferential surface of the main valve portion 98 (the first valve portion sliding surface), and then is filled in the main valve portion 98 and A back pressure chamber 97-1 formed between the inner wall surfaces of the valve housing recess 97. When the sleeve 78 is moved to the left by the user to release the pressing member 88 of the sleeve 78 in the radial direction, when the second joint member 22 is inserted into the second tubular member 80, In this process, the front end surface of the second φ-head member 22 is brought into contact with the valve pushing member 1A4 and pushed toward the left side of the second drawing. Thereby, the pilot valve portion 94 is moved to the left to open the through hole 96. • Since the through hole 96 is opened, the pressurized fluid in the back pressure chamber 97-1 flows out through the through hole 96, and the pressure in the back pressure chamber 97-1 is lowered. Thereby, the main valve portion 98 is displaced by the fluid pressure of the fluid passage 72, the shackle 100 is separated from the valve seat 102, and the fluid passage 72 is opened, and the pressurized fluid is directed toward the fluid passage 24 side of the second joint member 22. The flow φ moves. As shown in Fig. 2, the outer peripheral surface of the second joint member 22 is sealed and engaged at the O-ring 06 at the stage before the 〇 ring 1 离开 is separated from the valve seat 102. When the second joint member 22 enters a position where the lock recessed portion 89 and the lock member 88 are integrated, the sleeve 78 returns to the position shown in Fig. 2, and the second joint member is coupled to the first joint member. When the second joint member is to be detached from the first joint member, the sleeve 78 is displaced to the left, and the lock member open concave surface 95 and the lock member 88 are integrated in the radial direction to release the lock member using the sleeve. When the second joint member 22 is withdrawn from the first joint member 21 by the thrust 14-(12) 1325478 in the radial direction, the pilot valve portion 94 is returned to the through-hole 96 of the main valve portion 98 by the coil spring 93. s position. Next, a second embodiment of the pipe joint of the present invention will be described with reference to Figs. 4 to 9 . The pipe joint 1 of this embodiment basically has the same configuration as that of the pipe joint of the first embodiment. φ First, the pipe joint 1 has a first joint member 10 as a female member, and a second joint member 22 as a male member coupled to the female member. The first joint member 10 includes a first tubular member 11 that is connected to one end by a pipe (not shown) such as a hose having an air pipe, and a first state in which the sleeve 18 is fitted, and is screwed to the first one. The second cylindrical member 20 at the other end of the tubular member 1 1 . The first tubular member 11 is provided with a fluid passage 12 as shown in Fig. 4, a φ valve support member 14 disposed at a central portion of the fluid passage 12, and a valve member 16 provided in the valve support member 14. The valve support member 14 has an outer cylindrical portion 14-1 and an inner cylindrical portion 14_2 which are arranged concentrically as shown in Figs. 5a to 5d, and a through flow path 15 is formed between them. The outer cylindrical portion 1 4-1 and the inner cylindrical portion 14-2 are connected by a connecting portion 14-3 that extends substantially perpendicularly in the radial direction in Fig. 5d. The inner cylindrical portion 14-2 has a valve housing recess 26, and one end (the left end of Fig. 4) of the valve housing recess 26 is in a closed state, and the other end (the right end in Fig. 4) is in an open state. Further, the valve housing recessed portion 26 is a first valve portion accommodating portion 26·1 having a first valve portion for accommodating a valve member as shown in Fig. 4, and a slidably accommodating portion -15-(13) 1325478' 2 second valve portion accommodating portion 26-2 of the valve portion. A pair of annular grooves 48' are formed on the outer circumferential surface of the outer cylindrical portion 14-1 to engage the 〇-shaped ring 28, and the 0-shaped ring is sealingly engaged with the first cylindrical member Π and the second cylindrical member 20 Inner circumference. Further, the inner surface of the inner cylindrical portion 14-2 has a step in which the outer diameter becomes larger toward the traveling direction of the fluid (the right side in Fig. 4). The φ connecting portion 14-3 is such that the pin receiving hole 49 having an elliptical cross section penetrates in the longitudinal direction of the connecting portion 14-3, and the plug receiving hole 49 passes through the operating pin 50. As shown in Fig. 6 (cross-sectional view taken along line AA of Fig. 4) - the operation pin 50 is a guide groove (cam profile portion) of the operation ring 52 to which the both ends of the first cylindrical member 11 are inserted at the outer periphery thereof. 54 inside. The guide groove 54 has an angle 0' with respect to the circumferential direction as shown in Fig. 7, and the operation pin 50 is displaced in the axial direction orthogonal to the circumferential direction in accordance with the rotation of the operation ring 52. The operation ring 52 is fixed by the stopper ring 56 so that φ does not come out of the first cylindrical member 11. The valve member 16 attached to the valve support member 14 is composed of a main valve portion (first valve portion) 36 having a through hole 34 provided at the center in the radial direction, and a cylindrical guide valve portion (second valve portion) 32. Each of the valve housing recesses is disposed to be displaceable in the axial direction of the valve support member 14. The main valve portion 36 has a ring-shaped ring 44 at its annular end surface (front surface), and the ring-shaped ring 44 is engageable with the valve seat 46 formed on the second cylindrical member 20. The guide valve portion 32 is as shown in Fig. 8a. - shown in Fig. 8c, having an axial side - 16 - (14) 1325478 direction hole 320; a diameter direction hole 322 provided at one end of the hole 320 and penetrating in the diameter direction; and being provided on the outer peripheral surface of the pilot valve portion An annular groove 324 is formed in communication with the diametrical hole 322. The pilot valve portion 32 is inserted into the valve support member 14 in a state of being sealed by a pair of ring-shaped rings 39, and in this state, the coil spring 38 disposed in the valve housing recess 26 faces the fluid downstream direction ( Right)). Further, the guide valve portion 32 is coupled to the main valve portion φ via the spherical engaging member 40 held by the main valve portion 36, but the engaging member 40 is engaged with the annular surface formed on the outer peripheral surface of the pilot valve portion. The groove 42 is such that the main valve portion 36 and the pilot valve portion 32 are slightly movable in the axial direction. Further, as shown in Figs. 8a and 8b, a groove 33 having a semicircular cross section that engages with the operation pin 50 is provided in the pilot valve portion 32, and is disposed to face the circular cross section of the pilot valve portion. The direction extends. Further, an annular recessed portion 326 is formed at a distal end portion of the pilot valve portion 32 that engages with the main valve portion 36, and the annular recessed portion is formed in the communication passage 37 formed in the main valve portion 36, and the position φ is in the main valve portion 36. The valve housing recess 2*6 on the back is in communication. Further, a facing surface on the inner side of the main valve portion 36 facing the front end of the pilot valve portion 32 is provided with a beak ring 35 as shown in Fig. 4 . Similarly to the first embodiment, the second tubular member 20 is provided with a locking member 60 that is engageable with the locking recess 62 of the second joint member 22, and the locking member 60 is pressed against the locking recess. / releasing the pressed sleeve 18; and spring 66 pushing the sleeve 18 to push to the position shown in Fig. 4. Further, the inner surface of the second tubular member 20 is provided with a beak ring 68 for sealing a male member that can be inserted and coupled to the female member. -17- (15) 1325478 Next, the opening and closing of the valve of the pipe joint according to the second embodiment will be described. First, the second joint member 22 is the same as the first joint member 10& Fig. 4 shows the state in which the male member is attached to the female member. In this state, the pressurized fluid (e.g., air) of the fluid passage 2 passes through the minute gap G between the valve support member 14 and the main valve 36, and then is charged on the back φ side of the main valve portion 36. The first valve portion accommodating portion 26-1 (hereinafter simply referred to as a pressure chamber 26-1) as a back pressure chamber. At this time, the pilot valve portion 32 and the inner wall surface of the valve housing recess 26 are sealed by the O-ring 39, and the pressurized fluid filled in the back pressure chamber 26-1 does not leak from the latch receiving hole 49 to the outside. Further, the axial direction hole 320 and the radial direction hole 3 22 of the pilot valve portion 32 are the pin receiving holes 49, and the fluid passage 24 of the second joint member 22 communicates with the outside of the pipe joint. In this state, when the valve member 16 is opened, the φ ring 52 is first rotated to retract the operation latch 50 from the position of Fig. 4 to the position of the ninth. Thereby, the guide valve portion 32 engaged with the operation pin 50 is also moved. At this time, since the valve portion 36' engaged with the engaging portion 40 and the engaging recess 42 is free between the engaging portion 40 and the engaging recess 42, the main valve portion 36 does not move at the beginning, so The pilot valve portion 32 is opposed to the main valve portion 36, and the through hole 34 communicates with the back pressure chamber 26-1 located behind the main valve portion. At the same time, the straight hole 322 of the pilot valve portion 32 will appear in the fourth view as being connected to the left-hand 〇-shaped ring 39 or a more left-hand position, and is constructed from the pin receiving hole 49. The internal surface of the inner face and the drawing will have a 36-foot diameter and a tightness of -18- (16) 1325478. That is, the fluid passage 24 of the second joint member 22 is blocked from the outside. In this state, the pressurized fluid in the back pressure chamber 26-1 flows out toward the fluid passage 24 side of the second joint member 22, so the pressure in the back pressure chamber 26-1 is lowered, so the main valve portion 36 will Since the fluid pressure applied to the first joint member 10 of the main valve portion 36 is moved to the left, the beak ring 44 on the front side of the main valve portion is separated from the valve seat 46, so that the first and second φ joint members The fluid passages 12, 24 of 10, 22 are in communication. When the second joint member 22 is detached from the first joint member 10 and the valve member is closed, the operation ring 52 is rotated in the opposite direction to the above, and the operation latch is returned to the position shown in FIG. The pilot valve portion 32 and the main valve portion 36 are brought back to the closed position. At this time, the diameter-direction hole 322 of the pilot valve portion 32 is located on the right side of the ring-shaped ring 39 on the left side of Fig. 4, and is in a state of being in communication with the pin receiving hole 49. Therefore, the fluid passage 24 in the second joint member communicates with the outside of the pipe joint via the axial direction hole 3 20 and the φ diameter direction hole 322, and the residual pressure in the fluid passage 24 escapes to the outside. In this state, if the male member is detached from the female member, the male member is not broken due to the residual pressure, and can be safely removed. The embodiments of the present invention have been described above, but the present invention is not limited to the embodiments, and various modifications can be made. For example, in the second embodiment, the valve housing recess has a sliding surface that slides on the circumferential surface of the main valve portion that is displaceable in the axial direction of the tubular member, and is formed on the sliding surface and the main portion. The gap G between the circumferential surfaces of the valve portion, -19-(17) 1325478 causes the pressurized fluid of the fluid passage to enter the back pressure chamber, but the inflow of the pressurized fluid toward the back pressure chamber may not pass through the gap, but The valve support is provided with a small hole that allows the fluid passage to communicate with the back pressure chamber. Further, a diaphragm that is connected to the inner circumferential surface of the valve housing recess and the first valve portion to close the gap G may be provided to block the inflow of the pressurized fluid toward the back pressure chamber through the gap, and the small hole may be provided. The pressurized fluid can only flow in from the orifice. It is difficult to form the flow path section of the gap G correctly, but it is easier to accurately form the flow path area of the small hole, so that the inflow of the pressurized fluid toward the back pressure chamber can be more accurately adjusted. Further, in the second embodiment, the pilot valve portion (second valve portion) is positioned inside the female joint member than the main valve portion (the second valve portion), but may be provided on the opposite side (also In the first embodiment, the cross-sectional view of the i-joint member of the pipe joint according to the first embodiment of the present invention shows that the second joint member is not connected. It is the closed state of the valve. Fig. 2 is a cross-sectional view showing a state in which the second joint member is joined to the first joint member. Fig. 3 is a cross-sectional view of Fig. 2 showing a state in which the second joint member is coupled to the first joint member and the valve is opened. Fig. 4 is a cross-sectional view showing a pipe joint according to a second embodiment of the present invention, showing a closed state of the valve. Fig. 5a is a plan view of the valve support member in the pipe joint of Fig. 4 -20-(18) (18) 1325478. Fig. 5b is a cross-sectional view showing the detailed configuration of the valve supporting member in the pipe joint of Fig. 4. Fig. 5c is a front sectional view showing the detailed configuration of the valve supporting member in the pipe joint of Fig. 4. Fig. 5d is a side view showing the detailed configuration of the valve supporting member in the pipe joint of Fig. 4. Fig. 6 is a cross-sectional view taken along line A-A of Fig. 4. Figure 7 is a plan view of the operating ring shown in Figure 4 and showing the relationship of the guiding groove to the operating pin. Fig. 8a is a plan view showing a detailed configuration of the guide valve portion shown in Fig. 4. Fig. 8b is a longitudinal sectional view showing a detailed configuration of the guide valve portion shown in Fig. 4. Fig. 8c is a detailed cross-sectional view showing the guide valve portion shown in Fig. 4. Fig. 9 is a cross-sectional view similar to Fig. 4, showing a state in which the first and second joint members are coupled and the valve is opened. [Description of main component symbols] 1 : Pipe joint 2 : Pipe joint 1 0 : 1st joint member 1 1 : 1st cylindrical member - 21 - (19) (19) 1325478 1 2 : Fluid passage 1 4 : Valve support member 14-1: outer cylindrical portion 14-2: inner cylindrical portion 14_3: connecting portion 15: through-flow path 16: valve member 18: sleeve 20: second cylindrical member 21: first joint member 22 : second joint member 24 : fluid passage 26 : valve accommodation recess 26 - 1 : first valve portion accommodating portion (back pressure chamber) 26 - 2 : second valve portion accommodating portion 28 : Ο ring 32 : guide valve portion ( 2nd valve part) 33 : Groove 3 4 : Through hole 3 5 : Cylinder ring 36 : Main valve part (1st valve part) 37 : Communication path 3 8 : Coil spring 3 9 : Cylinder ring-22- ( 20) (20) 1325478 40 : Knuckle 42: Annular groove (engagement groove) 44 : Cylinder ring 46 : Seat 48 : Annular groove 49 : Pin receiving hole 5 0 : Operating pin 5 2 : Operating ring 54: guiding groove 5 6 : stopping ring 60 : locking member 62 : locking recess 66 : spring 6 8 : Ο ring 70 : first cylindrical member 72 : fluid passage 74 : valve support member 74 - 1 : Conical portion 74-2 : cylindrical portion 74-3 : flange portion 7 4 - 4 : through hole 76: Member 78: Sleeve 8 0 : 2nd cylindrical member -23- (21) (21) 1325478 82 : 0-ring 8 6 : Through hole 8 8 : Locking member 89 : Locking recess 90 : Stop ring 92 : Spring 93 : Coil spring 94 : Guide valve portion 95 : Locking member open concave surface 96 : Through hole 97 : Valve housing recess 97-1 : Back pressure chamber 98 : Main valve portion 1 0 0 : Ring ring 102 : Valve Seat 104: valve push-in member 104-1: hub portion 104-2: spoke portion 1 0 6 : Ο ring 3 2 0 : axial direction hole 3 2 2 : diameter direction hole 324: annular groove 3 26 : Annular recess G: clearance (communication path) -24

Claims (1)

1325478 . 巧年3月丨丨日修(更)正替換頁 I 麵 Μ·Ν 隊供、·, 机一 || 十、申請專利範圍 第96109785號專利申請案 中文申請專利範圍修正本 民國99年3月11曰修正 1. 一種管接頭,是具有相互連結的第1及第2接頭 構件的管接頭,其特徵爲: 第1接頭構件具有: 具備流體通路的筒狀構件; 設在該筒狀構件之該流體通路周圍的環狀閥座; 設在該筒狀構件內,並藉由對該閥座進行卡合或解除 卡合而使該流體通路開閉的閥構件;以及 設在該筒狀構件的該流體通路內,並支撐該閥構件的 閥支撐構件, 該閥支撐構件具有:面向該閥座而開口的閥收容凹部 ,而且是使該閥構件用以對該閥座進行卡合或解除卡合而 能夠位移地將之收容’並且在與該閥構件之間劃分出背壓 室的閥收容凹部;以及可從該流體通路將加壓流體導入該 背壓室內的連通路, 該閥構件具有第1閥部及第2閥部, 該第1閥部具有:具備可卡合在該閥座之環狀卡合面 的前面;以及在該前面之該環狀卡合面的內側貫穿該第1 閥部’使該背壓室與該閥支撐構件之外側連通的貫穿孔, 該第2閥部是由彈推手段所彈推而封閉該貫穿孔,且 該第2閥部可藉由抵抗過該彈推手段及施加於該第2閥部 1325478 - 丨 I ·_ι- _ι·ι , .......... β年Μ f丨曰修(更)正替換页 ~一 _________ 之背壓室內的流體壓而被移動,使該貫穿孔開啓而使該背 壓室內的流體壓力降低,並藉由施加在該第1閥部之外側 面之該流體通路的流體壓力,使該第1閥部被推到該閥收 容凹部內而從閥座離開。 2.如申請專利範圍第1項所記載的管接頭,其中, 相對於閥座可於該筒狀構件之軸線方向位移的該第丨閥部 的周面’係具有與該閥收容凹部之內周面滑動的第1閥部 滑動面’並以形成在該第1閥部滑動面與該閥收容凹部的 內周面之間的間隙作爲該連通路。 3 ·如申請專利範圍第〗項所記載的管接頭,其中, 該閥支撐構件具備用以連通位於其外側的該流體通路及該 背壓室的小孔,並以該小孔作爲該連通路。 4 ·如申請專利範圍第3項所記載的管接頭,其中, 該管接頭具有:連接於該閥收容凹部的內周面與該第1閥 部之間,使位於該閥支撐構件之外側的該流體通路與該背 壓室之連通流體予以遮斷的隔膜。 5. 如申請專利範圍第1、2、3或4項所記載的管接 頭,其中,在該第1接頭構件與該第2接頭構件連結後時 ,該閥構件的該第2閥部是受到該第2接頭構件而被推入 ,使該貫穿孔開放。 6. 如申請專利範圍第1或2項所記載的管接頭,其 中, 以該第2接頭構件作爲公型構件,並以該第1接頭構 件作爲具有用以接受該第2接頭構件之接頭構件接受部的 -2 - 1325478 _______ —-----------------------^ …一_______;... "': ·» ·.··♦··.···» ' 母型構件, 該第1接頭構件在該接頭構件接受部與該閥構件之間 具有閥推入構件, 該第2接頭構件被插入該接頭構件接受部內時,該第 2接頭構件是經由該閥推入構件推入該閥構件的該第2閥 部而開啓該貫穿孔。 7.如申請專利範圍第6項所記載的管接頭,其中, 該第1接頭構件在該接頭構件接受部與該閥構件之間具備 密封環’該第2接頭構件在插入該接頭構件接受部內而推 入該推入構件之前’該密封環是密封卡合在該第2接頭構 . 件的外側面。 8 ·如申請專利範圍第6項所記載的管接頭,其中, 該接頭構件接受部具有相對於該流體通路可朝徑向位 移的上鎖構件, 該第2接頭構件’具有在插入到該接頭構件接受部內 時會與該上鎖構件卡合’以使該第2接頭構件不能從該第 1接頭構件脫出的上鎖凹部, 該閥構件的該第1閥部,在上鎖構件卡合於上鎖凹部 的階段,會從該閥座離開。 9.如申請專利範圍第1或2項所記載的管接頭,其 中’該第1接頭構件’係具有從該第1接頭構件的外側移 動該第2閥部’以使該閥構件之該第1閥部的該貫穿孔開 閉的閥操作手段。 . 1 〇·如申請專利範圍第1或2項所記載的管接頭,其 -3- 1325478 " _丨 Ι· I—-----Ί~ΙΙ· —. 汀年·3月丨\日修(更)正替換頁 中, 該閥支撐構件的該閥收容凹部,係具有:用以收容該 閥構件之該第1閥部的第1閥部收容部;以及可滑動地收 容該第2閥部的第2閥部收容部,且該第2閥部收容部是 具有:當該第2閥部從該第2閥部收容部在該第1閥部收 容部內延伸而位於將該閥構件之第1閥部的該貫穿孔封閉 的位置時,該第2閥部所佔的收容部分;以及接續於該收 容部分,該第2閥部被移動用來開啓該貫穿孔時之能夠達 成該第2閥部之動作的可動部分, 該閥操作手段,具有從該第1接頭構件的外側延伸於 該閥支撐構件內,而連接於該閥構件之第2閥部的操作插 銷, 該閥支撐構件具有插銷保持部,該插銷保持部具有: 從該第2閥部收容部朝向該筒狀構件之外側延伸的插銷收 容孔,而且該插銷收容孔,是用以將該操作插銷收容在該 插銷收容孔內,使該操作插銷可藉由來自該第1接頭構件 之外側的操作而被移動,藉此得以進行該閥構件之該第1 閥部之貫穿孔的開閉。 11.如申請專利範圍第1 〇項所記載的管接頭,其中 ,該操作插銷是以橫貫該筒狀構件之方式延伸, 該第1接頭構件,係具有設在該筒狀構件之外周面上 而可卡合在該操作插銷之兩端的操作構件, 藉由該操作構件使該操作插銷移動,以操作該閥構件 的第2閥部。 -4 - 1325478 沖年3月f/曰修(¾正替換I 'Μ ____ ^»*·Ι»·_ _·♦——--------- 12. 如申請專利範圍第1 1項所記載的管接頭,其中 ’該操作構件具有可在該筒狀構件的周圍朝圓周方向轉動 ’並且與操作插銷之兩端卡合的凸輪輪廓部,藉由轉動該 操作構件’該操作插銷的兩端會沿著該凸輪輪廓部相對動 作’藉此操作該閥構件的第2閥部。 13. 如申請專利範圍第1 0項所記載的管接頭,其中 ’該閥構件的第1閥部及第2閥部在爲使該貫穿孔開啓而 移動該第2閥部之後會相互連結,當該第2閥部更進一步 移動時,該第1閥部會從該閥座離開而一起移動。 14·如申請專利範圍第1 〇項所記載的管接頭,其中 ’該第1閥部爲卡合於該閥座,且該閥構件的第2閥部係 具有殘壓逃逸孔’該殘壓逃逸孔是當該閥構件的第2閥部 位於將該第1閥部之該貫穿孔封閉的位置時,會經由該貫 穿孔與該第1閥部的該前面側連通,並且與該插銷收容孔 連通,而當該閥構件的該第2閥部被調整至位於將該貫穿 孔開啓的位置時,會從該插銷收容孔被密封遮斷。1325478 . In the March of the next year, the repair of the day (more) is replacing the page I. Μ·Ν Team supply, ·, machine one|| Ten, patent application scope 96109785 Patent application Chinese application patent scope revision of the Republic of China 99 years March 11 曰1. A pipe joint is a pipe joint having first and second joint members connected to each other, wherein the first joint member has: a tubular member having a fluid passage; and is provided in the tubular shape An annular valve seat around the fluid passage of the member; a valve member provided in the tubular member and configured to open or close the fluid passage by engaging or disengaging the valve seat; and being disposed in the tubular shape a valve support member of the valve member in the fluid passage of the member, the valve support member having: a valve receiving recess facing the valve seat, and the valve member for engaging the valve seat or a valve housing recess that can be displaceably disengaged and that partitions the back pressure chamber from the valve member; and a communication passage that can introduce pressurized fluid from the fluid passage into the back pressure chamber, the valve Component has a first valve portion and a second valve portion, the first valve portion having a front surface that is engageable with an annular engagement surface of the valve seat; and an inner side of the annular engagement surface of the front surface a valve portion 'a through hole that communicates the back pressure chamber with an outer side of the valve support member, the second valve portion is pushed by a spring pushing means to close the through hole, and the second valve portion can be resisted After the spring pushing means and applied to the second valve portion 1325478 - 丨I ·_ι- _ι·ι, .......... β年Μ f丨曰修(more) is replacing the page~一_ ________ The fluid pressure in the back pressure chamber is moved, the through hole is opened to reduce the fluid pressure in the back pressure chamber, and the fluid pressure of the fluid passage applied to the side surface of the first valve portion is made The first valve portion is pushed into the valve housing recess and is separated from the valve seat. 2. The pipe joint according to claim 1, wherein the circumferential surface of the second valve portion that is displaceable in the axial direction of the tubular member with respect to the valve seat has a portion corresponding to the valve receiving recess The first valve portion sliding surface ′ that slides on the circumferential surface is a communication passage formed between the first valve portion sliding surface and the inner circumferential surface of the valve housing recess. [3] The pipe joint according to the invention of claim 1, wherein the valve support member is provided with a small hole for communicating the fluid passage and the back pressure chamber located outside thereof, and the small hole is used as the communication path . The pipe joint according to the third aspect of the invention, wherein the pipe joint has a connection between an inner circumferential surface of the valve housing recess and the first valve portion so as to be located outside the valve support member. a diaphragm in which the fluid passage and the back pressure chamber communicate with each other to block the fluid. 5. The pipe joint according to claim 1, 2, 3 or 4, wherein the second valve portion of the valve member is subjected to the connection between the first joint member and the second joint member The second joint member is pushed in to open the through hole. 6. The pipe joint according to claim 1 or 2, wherein the second joint member is a male member, and the first joint member is a joint member having a second joint member; Acceptance Department - 2 - 1325478 _______ -------------------------------------------------------------- ♦······» ' The female member has a valve pushing member between the joint member receiving portion and the valve member, and the second joint member is inserted into the joint member receiving portion The second joint member opens the through hole by pushing the second valve portion of the valve member via the valve pushing member. 7. The pipe joint according to claim 6, wherein the first joint member includes a seal ring between the joint member receiving portion and the valve member. The second joint member is inserted into the joint member receiving portion. Before the push-in member is pushed, the seal ring is sealed to the outer side surface of the second joint member. The pipe joint according to claim 6, wherein the joint member receiving portion has a locking member that is radially displaceable relative to the fluid passage, and the second joint member 'is inserted into the joint When the member is received in the member, the locking member is engaged with the locking member so that the second joint member cannot be released from the first joint member, and the first valve portion of the valve member is engaged with the locking member. At the stage of locking the recess, it will exit from the valve seat. 9. The pipe joint according to claim 1 or 2, wherein the 'first joint member' has a second valve portion 'moving from the outside of the first joint member to make the valve member A valve operating means for opening and closing the through hole of the valve portion. 1 〇·If you apply for the pipe joint described in item 1 or 2 of the patent scope, -3- 1325478 " _丨Ι· I—-----Ί~ΙΙ·.. Tingnian·March 丨\ In the daily replacement (more) replacement page, the valve housing recess of the valve support member includes a first valve portion housing portion for receiving the first valve portion of the valve member, and slidably receiving the first portion a second valve portion accommodating portion of the second valve portion, wherein the second valve portion accommodating portion is located in the first valve portion accommodating portion from the second valve portion accommodating portion and is located at the valve When the through hole of the first valve portion of the member is closed, the receiving portion occupied by the second valve portion; and the second valve portion that is moved to open the through hole when the receiving portion is connected to the receiving portion a movable portion of the operation of the second valve portion, the valve operating means having an operation pin extending from the outside of the first joint member in the valve support member and connected to the second valve portion of the valve member, the valve The support member has a latch holding portion having: from the second valve portion housing portion toward the outer side of the tubular member a latch receiving hole for receiving the operation latch in the latch receiving hole, so that the operation latch can be moved by an operation from the outer side of the first joint member, thereby Opening and closing of the through hole of the first valve portion of the valve member is performed. The pipe joint according to the first aspect of the invention, wherein the operation pin extends in a manner of traversing the tubular member, and the first joint member is provided on an outer circumferential surface of the tubular member. The operating member engageable at both ends of the operating latch is moved by the operating member to operate the second valve portion of the valve member. -4 - 1325478 Year of March, f/曰修 (3⁄4 is replacing I 'Μ ____ ^»*·Ι»·_ _·♦——--------- 12. If you apply for patent scope 1 The pipe joint according to the item 1, wherein the operation member has a cam profile portion rotatable in a circumferential direction around the cylindrical member and engaged with both ends of the operation pin, by rotating the operation member' The second valve portion of the valve member is operated by the opposite ends of the latch along the cam profile portion. 13. The pipe joint according to claim 10, wherein the first member of the valve member The valve portion and the second valve portion are connected to each other after the second valve portion is moved to open the through hole, and when the second valve portion moves further, the first valve portion is separated from the valve seat and together The pipe joint according to the first aspect of the invention, wherein the first valve portion is engaged with the valve seat, and the second valve portion of the valve member has a residual pressure escape hole. The residual pressure escape hole is such that when the second valve portion of the valve member is located at a position where the through hole of the first valve portion is closed The through hole communicates with the front side of the first valve portion and communicates with the pin receiving hole, and when the second valve portion of the valve member is adjusted to be in a position to open the through hole, the pin is received from the pin The hole is sealed by the seal.
TW096109785A 2006-03-31 2007-03-21 Pipe coupling TWI325478B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006100522A JP4653688B2 (en) 2006-03-31 2006-03-31 Pipe fitting

Publications (2)

Publication Number Publication Date
TW200809124A TW200809124A (en) 2008-02-16
TWI325478B true TWI325478B (en) 2010-06-01

Family

ID=38563308

Family Applications (1)

Application Number Title Priority Date Filing Date
TW096109785A TWI325478B (en) 2006-03-31 2007-03-21 Pipe coupling

Country Status (6)

Country Link
JP (1) JP4653688B2 (en)
KR (1) KR101033438B1 (en)
CN (1) CN101400938B (en)
MY (1) MY166202A (en)
TW (1) TWI325478B (en)
WO (1) WO2007114039A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI411758B (en) * 2010-11-23 2013-10-11 Inventec Corp Quick coupler

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5411601B2 (en) * 2009-06-30 2014-02-12 日東工器株式会社 Pipe fitting
KR20140008662A (en) * 2012-07-11 2014-01-22 이근호 Coupler for coupling pipes
KR101409794B1 (en) 2012-07-11 2014-06-24 이근호 Coupler for coupling pipes
CN109899613B (en) * 2019-04-12 2024-02-27 广东恒基金属股份有限公司 Non-contact open type quick connector
CN110181015B (en) * 2019-06-24 2020-12-18 马鞍山钢铁股份有限公司 Rotary pipeline device capable of being quickly disassembled and assembled
KR102670712B1 (en) * 2021-10-01 2024-05-30 주식회사 이경 Smart coupler for fluid transfer
CN115419768A (en) * 2022-08-31 2022-12-02 江阴标榜汽车部件股份有限公司 Male joint with cut-off function

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5843448B2 (en) 1973-09-22 1983-09-27 新日本製鐵株式会社 Spottsutoyousetuseini Sugreta Koukiyoudokakoyoureienkohanno
JPS5057021U (en) * 1973-09-25 1975-05-28
JPS5932711B2 (en) * 1976-04-15 1984-08-10 有限会社ニツタ・ムアカンパニ− self-sealing pipe fittings
SE439532B (en) * 1983-09-22 1985-06-17 Ekman K R PRESSURE REDUCER IN A QUICK CONNECTION INCLUDING THE FIRST CONNECTOR
CN2081468U (en) * 1990-02-19 1991-07-24 那海亭 Fast pipe connection
CN2332867Y (en) * 1998-01-06 1999-08-11 应明雄 Fast connector
JP4404413B2 (en) * 1999-09-03 2010-01-27 日東工器株式会社 Pipe fitting
CN2453211Y (en) * 2000-11-13 2001-10-10 慕容东林 Quich actioun joint for fuel gas pipe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI411758B (en) * 2010-11-23 2013-10-11 Inventec Corp Quick coupler

Also Published As

Publication number Publication date
TW200809124A (en) 2008-02-16
KR20080100454A (en) 2008-11-18
WO2007114039A1 (en) 2007-10-11
MY166202A (en) 2018-06-14
JP4653688B2 (en) 2011-03-16
KR101033438B1 (en) 2011-05-09
JP2007271052A (en) 2007-10-18
CN101400938A (en) 2009-04-01
CN101400938B (en) 2010-06-02

Similar Documents

Publication Publication Date Title
TWI325478B (en) Pipe coupling
JP6392526B2 (en) Female parts and joints for constituting a removable connection form of two liquid conduits
US9360142B2 (en) Female quick coupling element and quick coupling including such an element
CN105723141B (en) Connector is conveyed by the fluid of inclined tube supply rear chamber
JP2012241792A (en) Pipe joint
TWI320834B (en)
CN105723142B (en) Fluid transmission male part with independent pressure release cam part
JP3996112B2 (en) Pipe fitting
TWI753420B (en) Valve structure, joint member and pipe joint
JP6249993B2 (en) Female joint member suitable for handling high-pressure fluid and pipe joint including the same
JP6613316B2 (en) Valve body, valve structure using the valve body, and joint member
JP2009287612A (en) Pipe joint
JP5255353B2 (en) adapter
JP6901281B2 (en) Fluid connection device
JP2009281537A (en) Pipe fitting
WO2012066588A1 (en) Coupler
JP6154703B2 (en) Coupler
JP6300688B2 (en) Female pipe fitting
RU2717869C1 (en) Double eccentric levers and safety lock for connecting device with eccentric clamp
JP2013210033A (en) Pipe end receiving socket, and method for inserting and connecting cylindrical pipe into the socket
JP7178213B2 (en) pipe joint
JP5869090B2 (en) Pipe fitting
JP5671252B2 (en) Pipe fitting
JP5676725B2 (en) adapter
JP2012251665A (en) Adapter