EP2937477B1 - Flüssigkeitsausgabevorrichtung - Google Patents

Flüssigkeitsausgabevorrichtung Download PDF

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Publication number
EP2937477B1
EP2937477B1 EP12890424.0A EP12890424A EP2937477B1 EP 2937477 B1 EP2937477 B1 EP 2937477B1 EP 12890424 A EP12890424 A EP 12890424A EP 2937477 B1 EP2937477 B1 EP 2937477B1
Authority
EP
European Patent Office
Prior art keywords
liquid
pipe
liquid discharge
way valve
outer pipe
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.)
Active
Application number
EP12890424.0A
Other languages
English (en)
French (fr)
Other versions
EP2937477A4 (de
EP2937477A1 (de
Inventor
Xiangfei LONG
Tangguang HE
Jianbin He
Xingqiang TAN
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.)
KWC Group AG
Original Assignee
KWC AG
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Filing date
Publication date
Application filed by KWC AG filed Critical KWC AG
Publication of EP2937477A1 publication Critical patent/EP2937477A1/de
Publication of EP2937477A4 publication Critical patent/EP2937477A4/de
Application granted granted Critical
Publication of EP2937477B1 publication Critical patent/EP2937477B1/de
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Anticipated expiration legal-status Critical

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0404—Constructional or functional features of the spout
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/041—Water-basin installations specially adapted to wash-basins or baths having provisions against scalding, e.g. temperature limiting devices, external covers
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0411—Taps specially designed for dispensing boiling water

Definitions

  • the present invention relates to a liquid discharge apparatus, especially a liquid discharge apparatus for the discharge of both normal temperature liquid and non-normal temperature liquid; the liquid discharge apparatus may be a faucet, a shower or like device.
  • Liquid discharge apparatuses wherein liquid of different temperatures share one liquid discharge pipe orifice are very common in the field. These liquid discharge apparatuses are usually confronted with one problem: non-normal temperature liquid makes the temperature at the surface of the liquid discharge apparatus become abnormal, i.e., too hot or too cold, so that a position to be manually operated cannot be directly operated with hands, and mores seriously, adverse consequences such as burn and freeze might be caused to a user.
  • These liquid discharge apparatuses are for example comprise a head portion of a draw-type faucet and a head potion of a rotation type faucet.
  • US4077545 describes an instant hot water dispenser system, which utilizes the same spout to dispense instant hot water as well as cold or mixed plumbing water.
  • the faucet spout has an inside passage for dispensing instant hot water and an outer passage for dispensing plumbing system water.
  • the outer water passage provides an insulating water jacket surrounding the instant hot water passage to prevent high temperatures of the spout surface and eliminate the possibility of burns to the user.
  • the outlet for hot water is spaced from the outlet for plumbing water to prevent water discharged from one outlet from flowing into the other outlet.
  • this arrangement cannot safely prevent water from flowing from the inner passage way into the outer passage way in case for instance the outlet for some reasons is externally covered and pressure builds up from the outlet.
  • an object of the present invention is to provide an improved liquid discharge apparatus, which ensures liquid of different temperatures share one liquid discharge pipe orifice, and can avoid adverse influence exerted by the non-normal temperature liquid to the temperature of an operating surface of the liquid discharge apparatus and thereby facilitate the user's operation and use of the liquid discharge apparatus.
  • the technical solution of the present invention provides a liquid discharge apparatus according to claim 1.
  • the outer pipe at least partially wraps the inner pipe, particularly preferably at least a portion of the inner pipe adjacent to the flow limiting device is wrapped by the outer pipe.
  • the one-way valve is in an open state when the liquid in the outer pipe flows out, and in a closed state when no liquid flows out of the outer pipe. Besides, the one-way valve is also in the open state when the liquid in the outer pipe and the liquid in the inner pipe flow out simultaneously.
  • the opening, closing and the opening scope of the one-way valve is controlled through the liquid flow pressure. Furthermore, the opening scope of the one-way valve is further controlled by an elastic material of the one-way valve itself or an additionally provided elastic member.
  • the one-way valve may further be closed by an elastic material of the one-way valve itself or an additionally provided elastic member.
  • the liquid discharge apparatus of the present invention through its dedicated flow limiting device, effectively prevents the liquid in the inner pipe from flowing in the outer pipe so that the user may safely and reliably operate the liquid discharge apparatus.
  • Fig. 1 is a schematic view of an overall structure of a liquid discharge apparatus according to the present invention.
  • the liquid discharge apparatus comprises a liquid channel; the liquid channel further comprises an inner pipe and an outer pipe, the inner pipe 1 being disposed in the outer pipe 2 and spaced apart from the outer pipe 2.
  • the inner pipe 1 is used to deliver non-normal temperature liquid
  • an outer wall of the outer pipe 2 forms an operating surface of the liquid discharge apparatus
  • the user may directly contact the outer wall of the outer pipe 2 and operates the liquid discharge apparatus.
  • a flow limiting device 3 is arranged at a shared liquid discharge pipe orifice 10 of the inner pipe 1 and the outer pipe 2 to limit flow of liquid in the inner pipe 10 into the outer pipe 2.
  • the flow limiting device 3 in the present invention is used to effectively avoid occurrence of such phenomena.
  • the inner pipe 1 at least partially wrapped by the outer pipe 2, e.g., at a portion adjacent to the flow limiting device 3.
  • the inner pipe 1 may comprise one or more inner pipes, and the shared liquid discharge pipe orifices 10 and flow limiting devices 3 in the equal number to the inner pipes may be disposed accordingly to achieve concurrent secure operation of a plurality of users.
  • the outer pipe 2 may comprise one or more outer pipes, and inner pipes 1, shared liquid discharge pipe orifices 10 and flow limiting devices 3 in the corresponding number may be provided according to needs.
  • both the inner pipe 1 and outer pipe 2 may deliver normal temperature liquid, wherein the normal temperature liquid in the inner pipe 1 and outer pipe 2 may be normal temperature liquid of different components.
  • This solution may be used in a laboratory.
  • Fig. 2 is a sectional view of a flow limiting device according to the present invention.
  • the flow limiting device 3 comprises an inner pipe connection port 5 communicated with the inner pipe 1, an outer pipe connection port 6 communicated with the outer pipe 2, and a liquid discharge pipe orifice connection port 4 communicated with the shared liquid discharge pipe orifice 10; at the outer pipe connection port 6 is provided a one-way valve 7 preventing the liquid in the inner pipe from flowing in the outer pipe through the outer pipe connection port 6.
  • the one-way valve 7 When the liquid flows out of the outer pipe 2, the one-way valve 7 is in an open state. the one-way valve 7 is still in the open state when the liquid in the outer pipe 2 and the liquid in the inner pipe 1 flow out simultaneously; at this time, the one-way valve 7 controls an opening scope of the one-way valve through a liquid flow pressure, for example, the liquid flow pressure in the outer pipe 2 remains greater than the liquid flow pressure in the inner pipe 1 for ever so that the one-way valve 7 is kept open and liquid in the inner pipe 1 is prevented from flowing into the outer pipe 2.
  • a liquid flow pressure for example, the liquid flow pressure in the outer pipe 2 remains greater than the liquid flow pressure in the inner pipe 1 for ever so that the one-way valve 7 is kept open and liquid in the inner pipe 1 is prevented from flowing into the outer pipe 2.
  • a magnitude of the liquid flow pressure in the inner pipe 1 and/or outer pipe 2 may be adjusted properly to control the discharge quantity of the non-normal temperature liquid and normal temperature liquid.
  • the opening scope of the one-way valve 7 may be further controlled by an elastic material of the one-way valve 7 itself or an additionally provided elastic member.
  • the one-way valve 7 When no liquid flows out of the outer pipe 2 and the liquid in the inner pipe 1 flows out, the one-way valve 7 is in a closed state, that is to say, to prevent the liquid in the inner pipe 1 from flowing into the outer pipe 2.
  • the one-way valve 7 may be closed through the liquid flow pressure; the one-way valve may be closed by an elastic material of the one-way valve itself or an additionally provided elastic member.
  • Fig. 3 is a schematic view of the liquid discharge apparatus of the present invention being applied to a faucet providing hot water and cold water.
  • the inner pipe 1 is a boiled water pipe
  • the outer pipe 2 is a normal temperature water pipe
  • the flow limiting device 3 is provided at the shared liquid discharge pipe orifice 10 of the boiled water pipe and the normal temperature water pipe.
  • the flow limiting device 3 may prevent the hot water in the boiled water pipe from flowing to the normal temperature water pipe to ensure the temperature of the surface of the faucet is not affected by the boiled water temperature and thereby avoid occurrence of burn of the user.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Devices For Dispensing Beverages (AREA)
  • Temperature-Responsive Valves (AREA)
  • Domestic Plumbing Installations (AREA)

Claims (4)

  1. Flüssigkeitsauslassvorrichtung, umfassend einen Flüssigkeitskanal, wobei der Flüssigkeitskanal ein inneres Rohr (1) umfasst und ein äußeres Rohr (2) das innere Rohr mindestens teilweise umfängt und von dem inneren Rohr beabstandet ist, wobei das innere Rohr und das äußere Rohr eine gemeinsame Flüssigkeitsauslassrohröffnung (10) haben, und eine Durchflussbegrenzungseinrichtung (3) an der gemeinsamen Flüssigkeitsauslassrohröffnung (10) angeordnet ist, wobei die Durchflussbegrenzungseinrichtung (3) einen Verbindungsanschluss (5) für das innere Rohr, der mit dem inneren Rohr (1) verbunden ist, einen Verbindungsanschluss (6) für das äußere Rohr, der mit dem äußeren Rohr (2) verbunden ist, und einen Flüssigkeitsauslassrohröffnungs-Verbindungsanschluss (4) aufweist, der mit der gemeinsamen Flüssigkeitsauslassrohröffnung (10) verbunden ist, dadurch gekennzeichnet, dass an dem Verbindungsanschluss (6) für das äußere Rohr ein Rückschlagventil (7) vorgesehen ist, um Flüssigkeit in dem inneren Rohr (1) daran zu hindern, durch den Verbindungsanschluss für das äußere Rohr in das äußere Rohr (2) zu strömen.
  2. Flüssigkeitsauslassvorrichtung gemäß Anspruch 1, wobei das Öffnen, das Schließen und der Öffnungsgrad des Rückschlagventiles (7) über einen Flüssigkeitsströmungsdruck gesteuert werden.
  3. Flüssigkeitsauslassvorrichtung gemäß Anspruch 2, wobei der Öffnungsgrad des Rückschlagventils durch ein elastisches Material des Rückschlagventils selbst oder ein zusätzlich vorgesehenes elastisches Element gesteuert wird.
  4. Flüssigkeitsauslassvorrichtung gemäß Anspruch 1, wobei das Rückschlagventil (7) durch ein elastisches Material des Rückschlagventils selbst oder ein zusätzlich vorgesehenes elastisches Element verschlossen wird.
EP12890424.0A 2012-12-20 2012-12-20 Flüssigkeitsausgabevorrichtung Active EP2937477B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2012/087065 WO2014094281A1 (zh) 2012-12-20 2012-12-20 一种出液装置

Publications (3)

Publication Number Publication Date
EP2937477A1 EP2937477A1 (de) 2015-10-28
EP2937477A4 EP2937477A4 (de) 2016-10-05
EP2937477B1 true EP2937477B1 (de) 2021-08-04

Family

ID=50977568

Family Applications (1)

Application Number Title Priority Date Filing Date
EP12890424.0A Active EP2937477B1 (de) 2012-12-20 2012-12-20 Flüssigkeitsausgabevorrichtung

Country Status (3)

Country Link
EP (1) EP2937477B1 (de)
CN (1) CN105026658B (de)
WO (1) WO2014094281A1 (de)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016123087A1 (de) * 2016-11-30 2018-05-30 Grohe Ag Sanitärarmatur mit zumindest einem ein Rückschlagventil aufweisenden Anschlussstück
DE102017102956A1 (de) 2017-02-14 2018-08-16 Franke Water Systems Ag Vorrichtung zur Ausgabe von Heißwasser
WO2020160916A1 (de) 2019-02-06 2020-08-13 Kwc Ag Ablaufvorrichtung zum verbinden eines trinkwassersystems

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3461901A (en) * 1964-08-13 1969-08-19 Ernest H Bucknell Diverting spout
US3285521A (en) * 1964-10-23 1966-11-15 Claude A Coakley Shower head
US4077545A (en) * 1976-09-22 1978-03-07 Emerson Electric Co. Instant hot water dispensing system
IT226651Z2 (it) * 1992-06-02 1997-07-01 Telma Guzzini S R L Rubinetto a doppio comando con selettore
CN2279485Y (zh) * 1996-07-26 1998-04-22 李承忠 调控给水与三段出水的莲蓬头装置
ITMN20020014A1 (it) * 2002-04-04 2003-10-06 Amfag Spa Doccia estraibile da cucina
CN2551826Y (zh) * 2002-05-15 2003-05-21 谢宇宥 水龙头同心双出水前管的分配套头
CN101454602B (zh) * 2006-05-26 2013-06-26 印第安纳马斯科公司 包括模制水道组装件的水龙头
US7766043B2 (en) * 2006-05-26 2010-08-03 Masco Corporation Of Indiana Faucet including a molded waterway assembly
US20110167557A1 (en) * 2010-01-12 2011-07-14 Xiqiao Tan Bronze outlet pipe and making process thereof
US20120003912A1 (en) * 2010-07-01 2012-01-05 Christopher Edward Hoover Provisioning of cooling resources through a delivery apparatus
US20120006912A1 (en) * 2010-07-12 2012-01-12 Chung Hin Ho Water faucet and liquid soap supply assembly therefor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
EP2937477A4 (de) 2016-10-05
CN105026658A (zh) 2015-11-04
WO2014094281A1 (zh) 2014-06-26
EP2937477A1 (de) 2015-10-28
CN105026658B (zh) 2017-11-10

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