WO2019187471A1 - Vanne de régulation de débit - Google Patents

Vanne de régulation de débit Download PDF

Info

Publication number
WO2019187471A1
WO2019187471A1 PCT/JP2019/000187 JP2019000187W WO2019187471A1 WO 2019187471 A1 WO2019187471 A1 WO 2019187471A1 JP 2019000187 W JP2019000187 W JP 2019000187W WO 2019187471 A1 WO2019187471 A1 WO 2019187471A1
Authority
WO
WIPO (PCT)
Prior art keywords
flow path
main valve
flow
pilot
control valve
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/JP2019/000187
Other languages
English (en)
Japanese (ja)
Inventor
尚史 小里
光次郎 渡
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.)
Lixil Corp
Original Assignee
Lixil Corp
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 Lixil Corp filed Critical Lixil Corp
Publication of WO2019187471A1 publication Critical patent/WO2019187471A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Images

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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
    • F16K31/126—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a diaphragm, bellows, or the like

Definitions

  • the present invention relates to a flow control valve, and more particularly to a pilot type flow control valve.
  • the pilot valve that adjusts the flow passage area of the pilot flow passage is provided in the axial direction in which the diaphragm valve moves, and therefore, the degree of freedom in layout of the components is low. There was a problem.
  • the present invention has been made in view of such circumstances, and an object of the present invention is to provide a flow control valve having a high degree of freedom in layout of components.
  • FIG. 1 is a schematic sectional view showing a closed state of a flow control valve 100 according to an embodiment of the present invention.
  • FIG. 2 is a schematic cross-sectional view showing the open state of the flow control valve 100 according to the embodiment of the present invention.
  • the flow control valve 100 may be applied to a faucet device, for example.
  • the flow control valve 100 is a pilot type flow control valve.
  • the flow control valve 100 includes a housing 10, a primary side flow path 12, a secondary side flow path 14, a main valve 16, a main valve seat 18, a back pressure chamber 20, and a lid portion 22.
  • the primary side flow path 12 and the secondary side flow path 14 are formed in the housing 10.
  • the primary side flow path 12 is a flow path into which fluid such as liquid or gas flows
  • the secondary side flow path 14 is a flow path from which fluid flows out.
  • the primary side flow path 12 and the secondary side flow path 14 form a main flow path through which a flow control target fluid of the flow control valve 100 according to the present embodiment flows.
  • the opening 12 a of the primary channel 12 is formed on the side surface of the housing 10, and the opening 14 a of the secondary channel 14 is formed on the bottom surface of the housing 10.
  • the main valve seat 18 is an annular valve seat and is formed at the upper end of the cylindrical portion 10 a that defines the secondary-side flow path 14 formed in the housing 10.
  • the main valve 16 is a diaphragm valve, and includes a hard main valve body 24 formed of a resin material or the like, and a diaphragm film 26 formed of an elastic material such as rubber. These have a substantially disk-shaped predetermined shape.
  • the main valve body 24 has an annular projecting portion 24a projecting downward, and the projecting portion 24a is fixed to the diaphragm membrane 26 in a state where the projecting portion 24a is inserted through a through hole 26a formed in the diaphragm membrane 26.
  • the diaphragm film 26 is attached to the inside of the housing 10 such that the peripheral edge portion is placed on the shoulder portion 10 b of the housing 10 and pressed by the bottom surface of the peripheral edge portion of the lid portion 22.
  • the lid portion 22 is attached so as to cover the back surface of the main valve 16.
  • the lid portion 22 defines a back pressure chamber 20 on the back side of the main valve 16.
  • the central portion of the diaphragm membrane 26, which is an elastic body, and the main valve body 24 fixed thereto have a predetermined axis in a state where the outer peripheral portion of the diaphragm membrane 26 is fixed to the housing 10 due to the pressure fluctuation of the back pressure chamber 20.
  • This movement changes the distance between the main valve 16 and the main valve seat 18 and opens and closes the main flow path.
  • the main flow path is closed when the main valve 16 is seated on the main valve seat 18, and the main flow path is opened when the main valve 16 is separated from the main valve seat 18.
  • the opening degree changes according to the distance between the main valve 16 and the main valve seat 18, and the flow rate of the fluid flowing through the main flow path changes.
  • the main valve 16 is formed with a communication hole 28 that penetrates the main valve body 24 and the diaphragm membrane 26 and communicates the back pressure chamber 20 and the primary flow path 12.
  • the communication hole 28 guides the fluid in the primary channel 12 to the back pressure chamber 20 and increases the pressure in the back pressure chamber 20.
  • the flow control valve 100 further includes a pilot flow path 30 that communicates with the back pressure chamber 20 and a pilot valve 32 that is provided in the pilot flow path 30 and adjusts the flow area of the pilot flow path 30.
  • the pilot flow path 30 has a function of drawing the fluid in the back pressure chamber 20 and reducing the pressure in the back pressure chamber 20.
  • the pilot flow path 30 may bypass the main valve 16 and communicate with the secondary flow path 14.
  • the pilot flow path 30 is formed so as to extend from the back pressure chamber 20 to the side, but the formation position and direction are not particularly limited.
  • the driving method of the pilot valve 32 is not particularly limited, and may be an automatic valve such as an electromagnetic valve or a manual valve.
  • the flow control valve 100 further includes a flow path area adjustment unit 34.
  • the flow channel area adjustment unit 34 has a function of adjusting the flow channel area of the communication hole 28 according to the movement of the main valve 16 in the axial direction.
  • the flow path area adjusting unit 34 includes a columnar fixed portion 34a and a tapered portion 34b provided at the tip of the fixed portion 34a.
  • the taper portion 34b is formed such that the cross section perpendicular to the axial direction becomes narrower as the tip is reached.
  • the flow path area adjustment unit 34 is configured so that the center axis of the flow path area adjustment unit 34 and the central axis of the communication hole 28 coincide with each other by embedding the fixing part 34 a in the hole 10 c formed in the housing 10. 10 is fixed.
  • the tapered portion of the flow path area adjusting unit 34. 34 b is in a state of being inserted into the communication hole 28. At this time, the flow passage area of the communication hole 28 is substantially closed by the tapered portion 34b.
  • the flow passage area of the communication hole 28 is not constant due to the provision of the flow passage area adjustment section 34, and changes according to the movement of the main valve 16 in the axial direction. Specifically, the flow passage area of the communication hole 28 becomes the smallest when the main valve 16 is seated on the main valve seat 18 (that is, the main valve 16 is closed). The distance increases as the distance from the valve seat 18 increases (that is, as the opening of the main valve 16 increases).
  • the flow control valve 100 is configured such that the flow passage area of the communication hole 28 changes in accordance with the axial movement of the main valve 16.
  • the opening degree of the main valve 16 can be controlled by adjusting the flow passage area of the passage 30.
  • the layout is limited so that the pilot valve is arranged in the axial direction in which the main valve moves, and the size of the flow control valve in the axial direction is limited. It was difficult to suppress.
  • the flow control valve 100 of the present embodiment it is only necessary to be able to change the flow passage area of the pilot flow passage 30, so the main valve 16 moves the pilot valve 32 for changing the flow passage area of the pilot flow passage 30. It is not necessary to provide in the axial direction, and the size in the axial direction can be suppressed.
  • the layout of the constituent elements can be changed according to the device to which the flow control valve 100 is applied (for example, a faucet device). A flow control valve can be realized.
  • the taper part 34b of the flow path area adjusting part 34 only needs to have a shape in which the flow path area of the communication hole 28 increases as the opening of the main valve 16 increases.
  • the tapered portion 34b may be, for example, a truncated cone shape such as a truncated cone or a truncated pyramid, or a truncated cone shape such as a cone or a pyramid. Considering the strength of the tip, a frustum shape is preferable.
  • the inclination angle and length of the tapered portion 34b can be appropriately set according to the desired characteristics of the flow control valve. Further, the tapered portion 34b may be linear as illustrated in FIG. 1 or may be curved. These can also be set as appropriate according to the characteristics of the desired flow control valve.
  • the flow path area adjustment unit 34 is inserted into the communication hole 28. This is because, for example, when the flow path area adjustment unit 34 is clogged with foreign matter, the flow path area adjustment unit 34 is provided. It also has an effect of eliminating clogging by pressing foreign matter.
  • the flow path area adjustment unit 34 is configured as a member different from the housing 10, but the flow path area adjustment unit 34 may be configured integrally with the housing 10.
  • the flow path area adjusting portion 34 is a separate member from the housing 10 in which the flow path area adjusting portion 34 is provided, the degree of freedom of the material forming the flow path area adjusting portion 34 is increased.
  • the flow path area adjustment unit 34 may be formed of an elastic material. In this case, for example, when a foreign substance comes into contact with the flow path area adjustment unit 34, there is an effect that the flow path area adjustment unit 34 can be hardly broken.
  • a flow control valve includes a primary flow path through which fluid flows, a secondary flow path from which fluid flows out, and a main flow path provided between the primary flow path and the secondary flow path.
  • a valve seat and a main valve which are formed on the back side of the main valve, the main valve seat and the main valve in which the opening degree of the main valve relative to the main valve seat is adjusted by moving the main valve in a predetermined axial direction.
  • the back pressure chamber, the communication hole formed in the main valve so as to communicate the primary side flow path and the back pressure chamber, the pilot flow path communicating with the back pressure chamber, and the flow area of the pilot flow path is adjusted.
  • a pilot valve and a flow channel area adjusting unit that adjusts the flow channel area of the communication hole according to the axial movement of the main valve are provided.
  • the flow path area adjustment unit may be formed such that the flow path area of the communication hole increases as the opening of the main valve increases.
  • the flow path area adjusting portion may have a tapered portion that is inserted into the communication hole when the main valve is closed.
  • the housing may further include a housing in which a primary channel and a secondary channel are formed, and the channel area adjusting unit may be configured as a member different from the housing.
  • the degree of freedom of the material forming the flow path area adjusting portion can be increased.
  • the flow path area adjustment unit may be formed of an elastic material. In this case, for example, when a foreign object comes into contact with the flow path area adjustment unit, the flow path area adjustment unit can be made difficult to break.
  • the pilot channel may communicate with the secondary channel without passing through the main valve.
  • the present invention can be used for a flow control valve used in a faucet device.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Driven Valves (AREA)

Abstract

L'invention concerne une vanne de régulation de débit (100) comprenant : un passage d'écoulement côté primaire (12) dans lequel s'écoule un fluide ; un passage d'écoulement côté secondaire (14) à partir duquel s'écoule un fluide ; un siège de vanne principale (18) et une vanne principale de type à diaphragme (16), qui sont disposés entre le passage d'écoulement côté primaire (12) et le passage d'écoulement côté secondaire (14) ; une chambre de contre-pression (20) formée sur le côté de surface arrière de la vanne principale (16) ; un trou de communication (28) formé dans la vanne principale (16) pour fournir une communication entre le passage d'écoulement côté primaire (12) et la chambre de contre-pression (20) ; un passage d'écoulement pilote (30) communiquant avec la chambre de contre-pression (20) ; une vanne pilote (32) qui règle la zone de passage d'écoulement du passage d'écoulement pilote (30) ; et une section de réglage de zone de passage d'écoulement (34) qui règle la zone de passage d'écoulement du trou de communication (28) en fonction du mouvement axial de la vanne principale (16).
PCT/JP2019/000187 2018-03-29 2019-01-08 Vanne de régulation de débit Ceased WO2019187471A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2018065821A JP2019173947A (ja) 2018-03-29 2018-03-29 流量制御弁
JP2018-065821 2018-03-29

Publications (1)

Publication Number Publication Date
WO2019187471A1 true WO2019187471A1 (fr) 2019-10-03

Family

ID=68058081

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2019/000187 Ceased WO2019187471A1 (fr) 2018-03-29 2019-01-08 Vanne de régulation de débit

Country Status (2)

Country Link
JP (1) JP2019173947A (fr)
WO (1) WO2019187471A1 (fr)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02144076U (fr) * 1989-05-08 1990-12-06
JP2002250452A (ja) * 2000-12-18 2002-09-06 Toto Ltd ダイヤフラム弁

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0995991A (ja) * 1995-10-02 1997-04-08 Toto Ltd 水洗装置のバルブ装置
JP2005315404A (ja) * 2004-03-31 2005-11-10 Toto Ltd ダイヤフラム式開閉弁
JP6628968B2 (ja) * 2015-02-10 2020-01-15 特許機器株式会社 流体サーボバルブ及び流体サーボ装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02144076U (fr) * 1989-05-08 1990-12-06
JP2002250452A (ja) * 2000-12-18 2002-09-06 Toto Ltd ダイヤフラム弁

Also Published As

Publication number Publication date
JP2019173947A (ja) 2019-10-10

Similar Documents

Publication Publication Date Title
CN102187136B (zh) 具有集成的流量调节的平衡口壳
JP4996990B2 (ja) 逃がし弁
CN106989193B (zh) 流量调整阀
EP3063438B1 (fr) Obturateur de vanne pour régulateur de pression
EP1484512B1 (fr) Régulateur éléctro-pneumatique de la pression de l'air
US10215291B2 (en) Regulating device
KR20040014329A (ko) 솔레노이드 작동식 압력 조정 밸브 및 배출형 압력 조정밸브의 감쇠 방법
US6820641B2 (en) Internally piloted dome loaded regulator
JP2014021594A (ja) 減圧弁
US6705343B2 (en) Pressure regulator with internal filter
JP2017215004A (ja) 流量調整弁及び弁構造体
WO2019187471A1 (fr) Vanne de régulation de débit
EP2821683B1 (fr) Soupape de régulation de pression
KR102938166B1 (ko) 밸브장치
EP3070566A1 (fr) Valve réductrice de pression
JP4115436B2 (ja) 電磁比例弁
JP2015210746A (ja) 減圧弁
EP4105528B1 (fr) Soupape de compensation de pression
JP2021032346A (ja) 流量調整弁、弁システム、及び弁ユニット
JPH04343109A (ja) 圧力制御弁
JP7303005B2 (ja) 付勢部材保持器およびこれを備える減圧弁
DK146637B (da) Styreventil til regulering af en fluidumstroem gennem en hovedventildel, som er anbragt imellem styreventilens tilgangsside og afgangsside
JP2006099222A (ja) 空気レギュレータ
KR20060026716A (ko) 유량 조절기능을 가지는 솔레노이드밸브
JP2014109982A (ja) 制御バルブ

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19775371

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19775371

Country of ref document: EP

Kind code of ref document: A1