WO2006112301A1 - 雌雄部材組立体 - Google Patents

雌雄部材組立体 Download PDF

Info

Publication number
WO2006112301A1
WO2006112301A1 PCT/JP2006/307643 JP2006307643W WO2006112301A1 WO 2006112301 A1 WO2006112301 A1 WO 2006112301A1 JP 2006307643 W JP2006307643 W JP 2006307643W WO 2006112301 A1 WO2006112301 A1 WO 2006112301A1
Authority
WO
WIPO (PCT)
Prior art keywords
male member
male
annular groove
wall surface
receiving hole
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/JP2006/307643
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
Hiroyuki Kitagawa
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nitto Kohki Co Ltd
Original Assignee
Nitto Kohki Co Ltd
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 Ltd filed Critical Nitto Kohki Co Ltd
Priority to CN2006800168788A priority Critical patent/CN101175939B/zh
Priority to US11/918,479 priority patent/US7641239B2/en
Priority to EP06731590A priority patent/EP1870623B1/en
Publication of WO2006112301A1 publication Critical patent/WO2006112301A1/ja
Anticipated expiration legal-status Critical
Priority to US12/620,858 priority patent/US20100059997A1/en
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L15/00—Screw-threaded joints; Forms of screw-threads for such joints
    • F16L15/006—Screw-threaded joints; Forms of screw-threads for such joints with straight threads
    • F16L15/008—Screw-threaded joints; Forms of screw-threads for such joints with straight threads with sealing rings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/061—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with positioning means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/062—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces characterised by the geometry of the seat
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/02—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings
    • F16L21/035—Joints with sleeve or socket with elastic sealing rings between pipe and sleeve or between pipe and socket, e.g. with rolling or other prefabricated profiled rings placed around the spigot end before connection
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/08—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe
    • F16L41/10—Joining pipes to walls or pipes, the joined pipe axis being perpendicular to the plane of a wall or to the axis of another pipe the extremity of the pipe being screwed into the wall

Definitions

  • the present invention is set between a male member exposed to a high-pressure fluid, such as a male joint member and a female joint member of a pipe joint in a high-pressure fluid circuit, and a female member coupled thereto. Regarding the seal.
  • an annular groove is formed on the outer peripheral surface of the male joint member, and after fitting the seal ring and the backup ring into the annular groove, the male joint member is There is a method of inserting and connecting to a female joint member, but this method has the following problems.
  • FIG. 1 to FIG. 3 show an example when a male joint member 1 in a conventional pipe joint is inserted into a female joint member 2.
  • the male joint member 1 includes a insertion portion 4 having the same diameter as the male joint member receiving hole 3 of the female joint member 2, and the outer peripheral surface of the insertion portion 4 has an annular groove 5.
  • the annular groove 5 is provided with an elastic seal ring 6 made of rubber or the like and a relatively rigid backup ring 7 made of plastic or the like, and the insertion portion 4 of the male joint member 1 is provided.
  • the seal ring 6 When inserted into the male joint member receiving hole 3 of the female joint member 2, the seal ring 6 is pressed between the inner wall surface of the male joint member receiving hole 3 and the annular groove 5 and is subjected to inertia deformation and sealed. I am going to plan.
  • the seal ring 6 is configured so that the male joint member 2 has a male joint member 2 from the time when the insertion part 4 of the male joint member 1 starts to be inserted into the male joint member receiving hole 3 of the female joint member 2. It is deformed by engagement with the end opening portion of the mold joint member receiving hole 3, and acts to press the backup ring 7 radially outward. Knock-up ring 7 can be inserted into annular groove 5 In order to achieve this, a split ring (a ring with a split or a cut in a part of the ring) is used.
  • the present invention provides a male member such as a male joint member exposed to a high-pressure fluid and a female member such as a female joint member coupled to the male member.
  • the purpose is to make it possible to easily and reliably attach the seal ring and the backup ring that are installed for sealing.
  • the present invention provides:
  • a male member receiving hole extending rearward from the front end opening, wherein the male member receiving hole has a front end opening portion extending a predetermined length toward the rear of the front end opening force, and has a smaller diameter than the front end opening portion.
  • a female member having a male member receiving portion extending rearward after the portion, and a male member inserted into the male member receiving hole, the front end opening force being inserted into the male member receiving hole
  • a male member having an outer peripheral surface adjacent to the inner wall surface of the male member receiving portion in the state, and an annular groove formed in the outer peripheral surface;
  • the male member In a state where the male member is inserted into the male member receiving hole, the male member is fitted in the annular groove so as to contact the seal ring at a position closer to the front end opening side of the male member receiving hole than the seal ring.
  • a female member in a male and female member assembly having:
  • a female member in a male and female member assembly is provided, wherein the backup ring is prevented from coming out radially outward from the annular groove by engaging an inner wall surface of the front end opening portion.
  • the diameter of the front end opening portion is made larger than the outer diameter of the seal ring fitted in the annular groove, and a gap between the inner wall surface of the front end opening portion and the outer peripheral surface of the male member is
  • the backup ring may be smaller than the radial thickness.
  • the seal ring receives almost no resistance, and thus is inserted into the front end opening portion without being deformed, and the front end opening portion force is further inserted into the rear (back). Even if the backup ring is deformed and tries to push the annular groove force outward, the inner wall surface of the front end opening portion can be engaged with this to prevent the knock-up ring from coming off.
  • a space between the male member receiving portion and the front end opening portion may be an inner wall force of the front end opening that is a tapered surface reaching the inner wall portion of the male member receiving portion. it can.
  • the present invention also provides:
  • a female member having a male member receiving hole
  • the male member With the male member fitted into the annular groove of the male member and inserted into the male member receiving hole, the male member is pressed and deformed by the inner wall surface of the male member receiving hole, so that the gap between the inner wall surface and the annular groove is reduced. Sealing ring to seal,
  • a male member in a male and female member assembly having:
  • the annular groove is disposed in the front-rear direction of the male member with a space between the front annular sidewall surface and the rear annular sidewall surface, and between the front annular sidewall surface and the rear annular sidewall surface. Defined by an extending bottom wall,
  • the back annular side wall surface is inclined forward from the bottom wall surface of the male member, and the seal ring is deformed as the male member is inserted into the male member receiving hole, whereby the back covering is When the groove force is also pressed radially outward, the backup ring is engaged with the rear annular side wall surface to prevent the annular groove from being released radially outward.
  • a male member in a male and female member assembly is provided.
  • the rear annular wall surface of the annular groove prevents displacement of the knock-up ring in the radial direction and prevents the backup ring from releasing the annular groove force.
  • the present invention can be applied to a pipe joint in which the male member is a male joint member and the female member is a female joint member.
  • the backup ring is in a state where it enters the opening portion of the front end of the male member receiving hole.
  • the back-up ring is locked by the inner wall surface of the front end opening portion, thereby preventing the annular groove force from being released.
  • the backup ring is moved in the radial direction by deformation of the seal ring that occurs when the male member is inserted into the female member. This prevents the outer ring from displacing outward and prevents the backup ring from coming off the annular groove force.
  • FIG. 1 is a partial cross-sectional view showing a state in which a male joint member starts to be inserted into a female joint member in a conventional pipe joint.
  • FIG. 2 is a partial cross-sectional view showing a state in which the male joint member is further inserted into the female joint member in the pipe joint of FIG. [FIG. 3] In the pipe joint of FIG. 1, the male joint member is further inserted into the female joint member (see the state of FIG. 2).
  • R) O is a partial sectional view showing the inserted state.
  • FIG. 5 is a partial cross-sectional view showing a state in which the male joint member is first inserted into the female joint member in the pipe joint of FIG.
  • FIG. 6 is a partial sectional view showing a state in which the male joint member is further inserted into the female joint member than FIG.
  • FIG. 7 is a partial cross-sectional view showing a state where the male joint member is further inserted into the female joint member than FIG.
  • FIG. 8 is a view showing a state in which the male joint member is completely inserted into the female joint member in the pipe joint of FIG. 4.
  • FIG. 9 is a sectional view of a pipe joint according to another embodiment of the present invention, showing a state in which the male joint member is first inserted into the female joint member.
  • FIG. 10 is a partial cross-sectional view showing a state in which the male joint member is further inserted into the female joint member than FIG.
  • FIG. 11 is a partial cross-sectional view showing a state in which the male joint member is inserted into the female joint member further than FIG.
  • FIG. 4 shows a coupling state of the male joint member 12 and the female joint member 14 in the pipe joint 10 to which the present invention is applied.
  • FIGS. 5 to 8 show the male joint member 12 as a female joint member. Show the change of seal ring 16 and back up ring 18 when connecting to 14!
  • the male joint member 12 has a fitting part 22 having substantially the same diameter as the male joint part material receiving hole 20 of the female joint member 14 in the same manner as the conventional one described above.
  • An annular groove 24 is formed in the outer peripheral surface 22-1, and a seal ring 16 and a backup ring 18 are set in the annular groove 24.
  • the female joint member 14 includes a male joint member receiving hole 20 whose front end opening force 20-1 extends a predetermined length toward the rear, and the male end of the male joint member 14 follows the front end opening part 20-1.
  • the diameter is larger than the male member receiving portion 20-2 of the member receiving hole.
  • the diameter of the front end opening portion 20-1 is fitted in the annular groove 24 of the insertion portion 22 of the male joint member 12, and the seal ring 16 is not yet deformed. It is slightly larger than the outer diameter.
  • the front end opening portion 20-1 has a predetermined axial length, and when the male joint member 12 starts to be inserted into the male joint member receiving hole 20, the male joint member A backup ring 18 that is pressed radially outward from the annular groove 24 by the seal ring 16 that is deformed by engagement with the inner wall surface of the receiving hole 20 is an inner wall surface 20-3 of the front end opening portion 20-1. By engaging with, it is prevented from coming out of the annular groove 24 radially outward.
  • the knock-up ring 18 is large. The part is positioned within the front end opening part 20-1.
  • the force of the front end opening portion 20-1 is larger than the outer diameter of the seal ring 16 fitted in the annular groove 24 as described above.
  • Clearance s (Fig. 6) force between the inner wall surface 20-3 of the portion 20-1 and the outer peripheral surface of the insertion portion 22 of the male joint member 12 It is made smaller than the radial thickness t (Fig. 7) of the up ring.
  • the front end opening portion 20-1 and the subsequent male member receiving portion 20-2 are tapered rearwardly so that the seal ring 16 and the backup ring 18 are male. Make it easier to enter the member receiving part 20-2!
  • the knock-up ring 18 has rigidity, and its outer diameter when fitted in the annular groove 24 is smaller than that of the male member receiving portion 202 and can be inserted into the male member receiving portion. .
  • the front annular sidewall surface 24-1 and the rear annular sidewall surface 24-2 of the annular groove 24 provided in the insertion portion 22 of the male joint member 12 are connected to the bottom wall surface 24-3 of the annular groove 24.
  • the insertion portion 22 of the male joint member 12 is connected to the female joint member. Even if the seal ring 16 is deformed when pushing into the male joint member receiving hole 20 of 14 and the knock-up ring 18 is pushed outward in the radial direction, the rear annular side wall surface 24-2 is backed up. The movement of the ring 18 is suppressed to prevent the backup ring from coming off from the annular groove 24.
  • the diameter of the front end opening portion in the first embodiment is smaller than the diameter of the seal ring. Is possible. In that case, even if the backup ring is pushed radially outward due to deformation of the seal ring, it is necessary that the back-up ring enters the opening portion of the front end before being pushed out from the annular groove. is there.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Geometry (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
  • Non-Disconnectible Joints And Screw-Threaded Joints (AREA)
  • Gasket Seals (AREA)
PCT/JP2006/307643 2005-04-15 2006-04-11 雌雄部材組立体 Ceased WO2006112301A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN2006800168788A CN101175939B (zh) 2005-04-15 2006-04-11 阴阳部件组装体及该组装体中的阴部件
US11/918,479 US7641239B2 (en) 2005-04-15 2006-04-11 Assembly of male and female members
EP06731590A EP1870623B1 (en) 2005-04-15 2006-04-11 Assembly of male and female members
US12/620,858 US20100059997A1 (en) 2005-04-15 2009-11-18 Assembly of male and female members

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005-117828 2005-04-15
JP2005117828A JP4805598B2 (ja) 2005-04-15 2005-04-15 雌雄部材組立体

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/620,858 Division US20100059997A1 (en) 2005-04-15 2009-11-18 Assembly of male and female members

Publications (1)

Publication Number Publication Date
WO2006112301A1 true WO2006112301A1 (ja) 2006-10-26

Family

ID=37115026

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/307643 Ceased WO2006112301A1 (ja) 2005-04-15 2006-04-11 雌雄部材組立体

Country Status (5)

Country Link
US (2) US7641239B2 (enExample)
EP (1) EP1870623B1 (enExample)
JP (1) JP4805598B2 (enExample)
CN (1) CN101175939B (enExample)
WO (1) WO2006112301A1 (enExample)

Cited By (1)

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JP2016538474A (ja) * 2013-11-06 2016-12-08 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 高圧下にある流体を調量するための弁

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US20100051528A1 (en) * 2008-08-26 2010-03-04 Clark Filter, Inc. Seal Improvement for Lube Filter
JP5965580B2 (ja) * 2010-12-22 2016-08-10 株式会社ダイゾー 容器口部のシール構造
CN109606931B (zh) 2010-12-22 2020-10-20 株式会社大造 阀保持器
JP5374559B2 (ja) * 2011-09-20 2013-12-25 本田技研工業株式会社 封止構造体
JP6081095B2 (ja) * 2012-07-17 2017-02-15 Nok株式会社 シール構造
DE102012108566B4 (de) * 2012-09-13 2016-01-28 Dionex Softron Gmbh Steckereinheit und Verbindungseinrichtung für Flüssigkeit führende Komponenten, insbesondere für die Hochleistungsflüssigkeitschromatographie
JP6643131B2 (ja) * 2016-02-12 2020-02-12 Ｋｙｂ株式会社 変速機及び変速機を備えた駆動装置
WO2018195090A1 (en) 2017-04-20 2018-10-25 Olivia Garden International Inc. Hair brush with ejection system
CN109373070B (zh) * 2018-10-22 2024-02-09 苏州德森福汽车科技有限公司 一种联接器的组装结构
CN112058830A (zh) * 2020-09-16 2020-12-11 北京莱伯泰科仪器股份有限公司 用于清除容器内固体颗粒的装置
CN114135731B (zh) * 2021-11-30 2023-09-29 西北工业大学上海闵行协同创新中心 一种管接头环榫确定方法及带环榫的管接头
JP7670045B2 (ja) * 2022-11-22 2025-04-30 トヨタ自動車株式会社 高圧タンク
US20250067375A1 (en) * 2023-08-21 2025-02-27 Robroy Industries - Texas, LLC Fitting Configured to Connect and Transition into a Conduit Body
WO2025249133A1 (ja) * 2024-05-27 2025-12-04 日東工器株式会社 管継手組立体

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016538474A (ja) * 2013-11-06 2016-12-08 ローベルト ボッシュ ゲゼルシャフト ミット ベシュレンクテル ハフツング 高圧下にある流体を調量するための弁
US10378653B2 (en) 2013-11-06 2019-08-13 Robert Bosch Gmbh Valve for the metering of highly pressurized fluid

Also Published As

Publication number Publication date
CN101175939B (zh) 2010-09-29
JP4805598B2 (ja) 2011-11-02
CN101175939A (zh) 2008-05-07
JP2006300082A (ja) 2006-11-02
US20100059997A1 (en) 2010-03-11
EP1870623A4 (en) 2010-07-21
EP1870623B1 (en) 2012-02-01
US20090026762A1 (en) 2009-01-29
EP1870623A1 (en) 2007-12-26
US7641239B2 (en) 2010-01-05

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