WO2017099228A1 - Corps et structure de soupape et élément de joint utilisant le corps de soupape - Google Patents

Corps et structure de soupape et élément de joint utilisant le corps de soupape Download PDF

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Publication number
WO2017099228A1
WO2017099228A1 PCT/JP2016/086763 JP2016086763W WO2017099228A1 WO 2017099228 A1 WO2017099228 A1 WO 2017099228A1 JP 2016086763 W JP2016086763 W JP 2016086763W WO 2017099228 A1 WO2017099228 A1 WO 2017099228A1
Authority
WO
WIPO (PCT)
Prior art keywords
valve body
valve
annular
groove
annular seal
Prior art date
Application number
PCT/JP2016/086763
Other languages
English (en)
Japanese (ja)
Inventor
王昭 松浦
卯ノ田　和史
西尾　拓也
秀俊 野原
Original Assignee
三菱電線工業株式会社
日東工器株式会社
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 三菱電線工業株式会社, 日東工器株式会社 filed Critical 三菱電線工業株式会社
Priority to CN201680072270.0A priority Critical patent/CN108368941B/zh
Priority to JP2017555164A priority patent/JP6613316B2/ja
Publication of WO2017099228A1 publication Critical patent/WO2017099228A1/fr

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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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • F16K1/38—Valve members of conical shape
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/46—Attachment of 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/06—Check valves with guided rigid valve members with guided stems
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/28—Couplings of the quick-acting type with fluid cut-off means
    • F16L37/30—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings
    • F16L37/32—Couplings of the quick-acting type with fluid cut-off means with fluid cut-off means in each of two pipe-end fittings at least one of two lift valves being opened automatically when the coupling is applied

Definitions

  • the present invention relates to a valve body suitable for being provided in a fluid passage for passing a high-pressure fluid, and a valve structure and a joint member using the valve.
  • an annular seal member for example, an O-ring
  • the seal member acts when the high pressure fluid flows when the valve opens
  • the present invention is intended to solve the above-described problem by a method different from that of Patent Document 1.
  • the present invention is a valve body provided in a fluid passage and displaceable between a closed position for closing the fluid passage and an open position for opening the fluid passage, An annular sealing surface facing forward, an annular groove provided along the sealing surface, and both ends penetrating through the valve body with the direction from the position toward the closed position as the front are communicated with the annular groove
  • a valve body having a connecting hole, An annular seal portion fitted into the annular groove and sealingly engaged with a valve seat surface formed annularly on the passage wall surface of the fluid passage when the valve body is in the closed position;
  • a seal member having a connecting portion that extends from a part of the annular seal portion, passes through the connecting hole, reaches the other portion of the annular seal portion, and connects these two portions;
  • a valve body is provided.
  • the seal member of the valve body has an annular seal portion and a connecting portion that extends through the communication hole passing through the valve body and connects the two portions of the annular seal portion. Even when exposed to the flow of high-pressure fluid, the annular seal portion is unlikely to come off from the annular groove of the valve main body, thereby making it possible to solve the problems in the conventional valve described above.
  • connection hole can penetrate the valve body in the diametrical direction.
  • a connecting portion that is passed through the communication hole connects the portions of the annular seal portion that are opposed to each other in the diametrical direction, so that the annular seal portion can be held in a more balanced manner.
  • the communication hole and the connecting portion passing therethrough are not limited to this.
  • the communication hole may extend radially from the center of the valve body in three or more directions, or two or more may be separately provided in the valve body. It can also be passed through.
  • the annular seal portion has an annular front side surface and a rear side surface, and an annular radial outer side surface and a radial inner side surface extending between the front side surface and the rear side surface, and has a rectangular cross section.
  • the connecting portion extends from a portion of the radially inner surface to another portion of the radially inner surface;
  • the sealing surface is a conical tapered surface tapered forward;
  • the annular groove is formed in the conical sealing surface, and the annular groove is in contact with the radially inner side surface of the annular seal portion fitted in the annular groove; and the annular seal A groove front side surface and a groove rear side surface respectively in contact with the front side surface and the rear side surface of the portion, and an opening opening in the conical sealing surface.
  • the side edge and the vicinity thereof may extend from the opening and project annularly from the sealing surface.
  • the annular groove has a groove radial outer surface extending forward from the radially outer edge of the groove rear side surface to reach the sealing surface, and the groove radial outer surface is formed in the annular groove. It is possible to contact the radially outer surface of the fitted annular seal portion. It is possible to prevent the annular seal portion from coming out of the annular groove by contacting the radially outer surface of the annular seal portion with the outer radial surface of the groove on the outside thereof.
  • the present invention further includes The valve body as described above, And a valve housing having an annular valve seat surface formed on a wall surface of the fluid passage on the front side of the valve body.
  • the valve seat surface is parallel to the sealing surface. More preferably, the annular seal portion is crushed between the valve seat surface and the sealing surface when the valve body is in the closed position and the fluid pressure applied to the valve body exceeds a certain level. It has an elastic coefficient that is deformed so as to abut against the valve seat surface. By doing so, the annular seal portion is substantially shielded from the fluid pressure when the fluid pressure in the fluid passage becomes a certain level or more, and even if fluid pressure is applied, the annular seal portion It is possible to prevent pushing out between the sealing surface and the valve seat surface. For this reason, the valve structure according to the present invention can be used over a wide range of pressure ranges from low pressure fluid piping to high pressure (ultra-high pressure) fluid piping.
  • the valve structure further includes a spring member that urges the valve body forward to place the valve body in the closed position, and the spring member is forward of the valve body when the valve body is in the closed position.
  • the valve body functions as a check valve by allowing the valve body to be displaced rearward by allowing the fluid pressure of the valve to exceed a predetermined value and allowing the annular seal portion to move away from the valve seat surface. Can be.
  • the present invention is also a joint member of one of a female joint and a male joint member of a pipe joint, including the valve structure for closing the flow path of the joint member, and the one joint member When the other joint member is coupled to the valve body, the joint body is configured such that the valve body of the valve structure is displaced to the open position by the other joint member.
  • FIG. 1 is a longitudinal sectional view showing a pipe joint provided with a valve body according to an embodiment of the present invention, and shows a state in which male and female joint portions are not connected.
  • FIG. 2 is a view similar to FIG. 1 except that the fluid pressure in a fluid pipe (not shown) connected to the female joint member is high, and the sealing surface of the valve body to which the annular seal member is attached is a direct valve. The state which is engaged with the seating surface is shown.
  • It is a longitudinal cross-sectional view which shows the state by which the male type and female type joint member of the pipe joint shown in FIG. 1 were mutually connected, and the valve body in a joint member was made into the open position.
  • FIG. 3 is an enlarged cross-sectional view of a portion indicated by a circle A in FIG. 2.
  • the illustrated pipe joint 10 includes a female joint member 12 and a male joint member 14.
  • the sleeve 12b attached to the outer peripheral surface of the joint body (valve housing) 12a of the female joint member 12 is displaced leftward from the position shown in FIG.
  • the spherical locker 12c is brought into a state displaceable radially outward.
  • the male joint member 14 is inserted into the female joint member 12, and the insertion is advanced while pushing out the lock 12c radially outward so that the spherical lock 12c is placed on the outer peripheral surface of the male joint member 14.
  • the illustrated pipe joint 10 includes both a female joint member 12 and a male joint member 14 provided with poppet type valve bodies 20 and 22 for closing the fluid passages 12A and 14A.
  • the valve bodies 20 and 22 come into contact with each other and the movement in the axial direction is stopped.
  • 14 is moved further so that both valve bodies 20, 22 are moved from the closed position shown in FIGS. 1 and 2 to the open position allowing the fluid flow shown in FIG. It has become.
  • valve bodies 20 and 22 The structure as a pipe joint as described above is a matter well known to those skilled in the art, and a detailed description thereof is omitted here.
  • the characteristics of the present invention are particularly in the valve bodies 20 and 22 described below. Since the valve body 20 and the valve body 22 are substantially the same, only the valve body 20 will be described below.
  • the valve body 20 includes a valve main body 24 and a seal member 26 attached to the valve main body 24.
  • the valve body 24 When the direction from the open position shown in FIG. 3 to the closed position shown in FIG. 1 and FIG. 2 is the front, the valve body 24 has a conical sealing surface 28 that tapers forward and a sealing body.
  • An annular groove 30 provided along the surface 28 and a connecting hole 32 penetrating the valve body 24 in the diameter direction and communicating with both ends of the annular groove 30 (FIG. 4).
  • the seal member 26 is connected to an annular seal portion 36 fitted in the annular groove 30 and a connecting portion 38 that extends through the connecting hole 32 and opposes the annular seal portion 36 in the diametrical direction. And have.
  • the annular seal portion 36 is sealed to the valve seat surface 34 formed in an annular shape on the passage wall surface of the fluid passage 12A formed in the joint body 12a. Engage to prevent fluid flow.
  • the annular seal portion 36 and the connecting portion 38 are formed by injection molding using the valve body 24 provided with the annular groove 30 and the connecting hole 32 as a part of a mold, as in outsert molding.
  • the annular seal portion 36 includes a front side surface 36a and a rear side surface 36b, and an annular radial outer side surface 36c and a radial inner side surface 36d extending between the front side surface 36a and the rear side surface 36b.
  • the cross section is rectangular.
  • the annular groove 30 is formed in the conical sealing surface 28, and the annular groove bottom surface 30 a contacting the radially inner side surface 36 d of the annular seal portion 36 fitted in the annular groove 30, and the front side surface of the annular seal portion 36.
  • a groove front side surface 30b and a groove rear side surface 30c that are in contact with 36a and the rear side surface 36b, respectively, and an opening 30d that opens to the sealing surface 28 are provided.
  • a chamfered edge portion 36 e on the outer side in the radial direction of the annular seal portion 36 and a substantially triangular portion in the vicinity thereof extend from the opening portion 30 d and ring from the sealing surface 28. To protrude.
  • the groove rear side surface 30 c extends straight from the annular groove bottom surface 30 a and intersects the sealing surface 28. However, the groove rear side surface 30 c is terminated at a portion before reaching the sealing surface 28.
  • a groove radial outer surface 30e is formed so as to extend forward from the end edge of the radially outer end, which is in contact with the radial outer surface 36c of the annular seal portion 36, and to intersect with the conical sealing surface 28. It can also be.
  • the groove radial outer surface 30 e restrains the annular seal portion 36, and coupled with the action of the connecting portion 38, the annular seal It becomes possible to prevent the part 36 from coming off the annular groove 30 more effectively.
  • the valve body according to the present invention is applied to a pipe joint and the fluid of the pipe joint is opened and closed in accordance with the connection and release of the pipe joint.
  • the present invention is limited to this. It is not a thing. That is, for example, when the valve body 22 is not provided in the male joint member, the valve body 20 is pressed against the valve seat surface 34 by the coil spring 40 and fluid in the fluid passage 14A in the connected male joint member 14 is obtained. Only when the pressure exceeds a certain level, the valve body 20 is displaced rearward and away from the valve seat surface 34, so that fluid flows from the fluid passage 14A side of the male joint member 14 to the fluid passage 12A side of the female joint member 12 side. It can also function as a check valve that allows flow. That is, the valve body according to the present invention can be used to constitute a valve structure effective in various fluid passages, particularly in a fluid passage through which high-pressure fluid passes.

Landscapes

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

Abstract

Le problème décrit par l'invention est de fournir un corps de soupape permettant d'empêcher le délogement d'une partie étanchéité d'un corps de soupape principal sous l'action d'un fluide. La solution selon l'invention est un corps de vanne ayant : un corps principal (24) de soupape susceptible d'être déplacé entre une position fermée et une position ouverte ; et un élément d'étanchéité (26) comportant une partie d'étanchéité annulaire (36) qui s'insère dans une rainure annulaire (30) située le long d'une surface d'étanchéité conique (28) du corps de soupape, vient hermétiquement en prise avec une surface (34) d'un siège de soupape, et empêche l'écoulement d'un fluide, et une partie liaison (38) qui traverse un trou de liaison (32) qui pénètre à travers le corps principal (24) de soupape dans la direction diamétrale et relie des parties de la partie d'étanchéité annulaire (36) en regard dans la direction diamétrale.
PCT/JP2016/086763 2015-12-11 2016-12-09 Corps et structure de soupape et élément de joint utilisant le corps de soupape WO2017099228A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201680072270.0A CN108368941B (zh) 2015-12-11 2016-12-09 阀芯以及使用了该阀芯的阀结构体及接头构件
JP2017555164A JP6613316B2 (ja) 2015-12-11 2016-12-09 弁体並びに該弁体を用いた弁構造体及び継手部材

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015242658 2015-12-11
JP2015-242658 2015-12-11

Publications (1)

Publication Number Publication Date
WO2017099228A1 true WO2017099228A1 (fr) 2017-06-15

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PCT/JP2016/086763 WO2017099228A1 (fr) 2015-12-11 2016-12-09 Corps et structure de soupape et élément de joint utilisant le corps de soupape

Country Status (4)

Country Link
JP (1) JP6613316B2 (fr)
CN (1) CN108368941B (fr)
TW (1) TWI633247B (fr)
WO (1) WO2017099228A1 (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108317323A (zh) * 2018-02-08 2018-07-24 宁波大雅汽车部件有限公司 带有自动截止功能的快插接头
JP2019120362A (ja) * 2018-01-10 2019-07-22 横浜ゴム株式会社 ポペットバルブ

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI747295B (zh) * 2019-09-12 2021-11-21 日商日東工器股份有限公司 管接頭構件

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157926U (fr) * 1975-06-10 1976-12-16
JPS59196777U (ja) * 1983-06-17 1984-12-27 斉藤　俊彦 逆止弁
JP3007965U (ja) * 1994-08-19 1995-02-28 株式会社ツーヘンハーゲンジャパン シール構造
JP2000352489A (ja) * 1999-06-11 2000-12-19 Nasuko Fitting Kk 管継手

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Publication number Priority date Publication date Assignee Title
JPS4320975Y1 (fr) * 1965-05-17 1968-09-04
JPS5442015Y2 (fr) * 1974-10-07 1979-12-07
JPS5231035U (fr) * 1975-08-26 1977-03-04
JPS5233732U (fr) * 1975-08-30 1977-03-09
DE3639221A1 (de) * 1986-11-15 1988-05-19 Rudolf Schroeder Industrieanla Ventil
JPS643161U (fr) * 1987-06-24 1989-01-10
JP2762180B2 (ja) * 1991-08-20 1998-06-04 日信工業株式会社 マスタシリンダ用ポペット弁
US5406980A (en) * 1994-03-28 1995-04-18 Aeroquip Corporation Deep drawn quick connect coupling
AT410968B (de) * 2000-10-16 2003-09-25 Ventrex Automotive Gmbh Dichtungsring und mit demselben ausgestattetes ventil
JP2004060709A (ja) * 2002-07-25 2004-02-26 Yamatake Corp 弁体のライニング構造
JP4912375B2 (ja) * 2007-09-28 2012-04-11 長堀工業株式会社 流体継手
GB201112885D0 (en) * 2011-07-26 2011-09-07 Sasol Tech Pty Ltd Solids-handling equipment

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51157926U (fr) * 1975-06-10 1976-12-16
JPS59196777U (ja) * 1983-06-17 1984-12-27 斉藤　俊彦 逆止弁
JP3007965U (ja) * 1994-08-19 1995-02-28 株式会社ツーヘンハーゲンジャパン シール構造
JP2000352489A (ja) * 1999-06-11 2000-12-19 Nasuko Fitting Kk 管継手

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2019120362A (ja) * 2018-01-10 2019-07-22 横浜ゴム株式会社 ポペットバルブ
JP7119376B2 (ja) 2018-01-10 2022-08-17 横浜ゴム株式会社 ポペットバルブ
CN108317323A (zh) * 2018-02-08 2018-07-24 宁波大雅汽车部件有限公司 带有自动截止功能的快插接头

Also Published As

Publication number Publication date
JPWO2017099228A1 (ja) 2018-11-01
CN108368941A (zh) 2018-08-03
TW201734346A (zh) 2017-10-01
JP6613316B2 (ja) 2019-11-27
TWI633247B (zh) 2018-08-21
CN108368941B (zh) 2019-12-20

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