EP0487215A2 - Entlastungsventilanordnung - Google Patents

Entlastungsventilanordnung Download PDF

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Publication number
EP0487215A2
EP0487215A2 EP91309965A EP91309965A EP0487215A2 EP 0487215 A2 EP0487215 A2 EP 0487215A2 EP 91309965 A EP91309965 A EP 91309965A EP 91309965 A EP91309965 A EP 91309965A EP 0487215 A2 EP0487215 A2 EP 0487215A2
Authority
EP
European Patent Office
Prior art keywords
lever
dump valve
outlet
valve assembly
solenoid
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.)
Withdrawn
Application number
EP91309965A
Other languages
English (en)
French (fr)
Other versions
EP0487215A3 (en
Inventor
Stuart Andrew Morley
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.)
McIlwraith Davey Pty Ltd
Original Assignee
McIlwraith Davey Pty 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 McIlwraith Davey Pty Ltd filed Critical McIlwraith Davey Pty Ltd
Publication of EP0487215A2 publication Critical patent/EP0487215A2/de
Publication of EP0487215A3 publication Critical patent/EP0487215A3/en
Withdrawn legal-status Critical Current

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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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • E03C1/2302—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the actuation force being transmitted to the plug via rigid elements
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • 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
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/22—Outlet devices mounted in basins, baths, or sinks
    • E03C1/23—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms
    • E03C2001/2311—Outlet devices mounted in basins, baths, or sinks with mechanical closure mechanisms the actuation force being magnetic or electromagnetic

Definitions

  • the present invention relates to a dump valve assembly that prevents inadvertent closure of the dump valve.
  • Dump valves are conventionally used in sinks and basins instead of a plug.
  • the dump valve generally includes a manually operated lever assembly that permits opening and closing of the valve. As the valve opens upwardly into the sink, the weight of water overlying the valve tends to depress it to close the discharge outlet.
  • dump valve assemblies have either had to be manually held open (normally closed) or include a manually releasable latch mechanism.
  • a dump valve assembly comprises a dump valve connected to a stem and locatable in a drain outlet to open and close same, said stem being arranged for reciprocable movement along a longitudinal axis of said outlet, characterised in that said stem is operatively associated with one end of a substantially L-shaped lever extending through a sealed opening in said outlet, said lever being pivoted adjacent its corner, the other end of said lever being connected to a first actuator, a first arm of a substantially L-shaped latch piece being connected to a second actuator, said latch piece being pivoted adjacent its corner and having a second arm including a ramp adapted for engagement and disengagement with a foot extending from said lever adjacent its pivot, said ramp being adapted to engage said foot upon actuation of said assembly through enabling of said first actuator to open said outlet by movement of said valve, said engagement preventing the inadvertent closure of said outlet by a force acting on said valve, said ramp being disengaged from said foot upon enabling of said second actuator and a consequent rotation of said latch piece
  • the first and second actuators are solenoids.
  • a dump valve assembly 10 is shown in Fig. 2 as latched in the open configuration.
  • the assembly 10 is adapted to open and close the drain outlet 2 of a sink 1.
  • the outlet 2 supplies a discharge pipe 3 into which liquid (not illustrated) flows from the sink 1 under gravity.
  • the assembly 10 includes a dump valve 11 that is configured to open and close the outlet 2 by movement along the longitudinal axis 6 of the discharge pipe 3.
  • the longitudinal movement of the dump valve 11 is guided by a sleeve 5 formed in a spider grill 4 arranged in the outlet 2.
  • a valve stem 12 passes through the sleeve 5 and pivotally interconnects the dump valve 11 with a substantially L-shaped lever 20.
  • a long arm 22 of the lever 20 is retained in an eye 9 located at the lower end of the valve stem 12.
  • the stem 12 and the long arm can be connected by any other form of pivotable join, such as a hinge (not illustrated).
  • the lever 20 passes through the discharge pipe 3 at an opening 7 which is sealed by a rubber boot 13, part of which is sandwiched between the pipe 3 and a mounting flange 15 of a chassis or support block 14.
  • the support block 14 provides a foundation for a first remotely operable solenoid 16 that provides for actuation of the assembly 10 by means of a reciprocable armature 17 interconnected with the lever 20 by a connector 40.
  • a spring 18 is provided about the armature 17 to maintain the armature 17 extended when the solenoid 16 is not energised.
  • the L-shaped lever 20 has a pivot 21 at its corner and its short arm 23 extends therefrom to terminate in a pin receiving hole 24.
  • the hole 24 provides for pivotal connection of the lever 20 to the connector 40.
  • the connector 40 includes a body 41 with bifurcated ends 45, 46.
  • the bifurcated end 45 is provided with aligned holes 43 to permit pivotal connection with the hole 24 of the lever 20.
  • the bifurcated end 46 is provided with aligned holes 44 to permit pivotal connection in a similar manner with the armature 17.
  • the interconnection provided by the connector 40 and the lever 20, between the armature 17 and the valve stem 12, provides for the raising of the valve 11 to open the outlet 2. More particularly, on energisation of the solenoid 16, the armature 17 and thus the short arm 23 of the lever 20 are pulled back, to the position of Fig. 2, thus pivoting the lever 20 clockwise about the pivot 21 to elevate the lever arm 22 and open the valve 11.
  • an interlock mechanism formed by a latch piece 30 that interacts with the lever 20 and is releasable by a second remotely operable solenoid 50.
  • the latch piece 30 is substantially L-shaped and includes a pivot 31 formed at its corner. Extending from the pivot 31 is a latch arm 32 that includes a ramp 33 having a stop face 34. Also connected to the pivot 31 and extending in directions both perpendicular to, and transverse to, the arm 32 is a cruxiform-shaped inclined connecting arm 35, of which flanges 36, 37 and 48 have been particularly referenced.
  • the connecting arm 35 extends to a distal end connection 39 to which an armature 51 of the solenoid 50 is connected.
  • a spring 52 is provided so as to maintain the armature 51 retracted when not energised.
  • a foot 25 that is adapted for interengagement with the ramp 33 and stop face 34 of the latch piece 30.
  • the solenoid 16 is energised and the armature 17 is retracted.
  • the solenoid 50 is not energised and is therefore, due to the operation of the spring 52, fully retracted, which imparts a counter-clockwise rotation to the latch piece 30 about pivot 31.
  • the latch arm 32 is lifted from within a recess 19 (seen in Fig. 2) in the support block 14, to engage the foot 25 of the lever 20.
  • This engagement takes the form of abutment against the stop face 34 such that any downward force upon the valve 11, which would act to rotate the lever 20 in 3 clockwise direction (as seen in Fig. 3) about pivot 31, is prevented.
  • the latch piece 30 prevents the closing of the outlet 2 by a downward force on the valve 11.
  • the solenoid 50 is energised to extend the armature 51 so as to impart a clockwise rotation about pivot 31 to the latch piece 30.
  • the latch arm 32 thereby drops into the recess 19 thereby permitting a clockwise movement of the foot 25 away from the pipe 3, which is assisted by the extending of the armature 17 under the force applied by the spring 18.
  • the lever 20 thereby lowers the valve 11 to close the outlet 2.
  • each of the solenoids 16 and 50 When energised for actuation, each of the solenoids 16 and 50 is energised momentarily sufficient to achieve latching, on opening, and closure. Once opened, the interlock maintains the valve 11 raised irrespective of the energisation of solenoid 16. When closed, gravity and the pressure of overlying water maintain closure.
  • the angle 26 (Fig. 4C) between the foot 25 and the lever arm 22 is preferably 60°. Also, preferably the angles 50 and 51 as seen in Fig. 5 are each 15°.
  • the lever 20, latch piece 30 and connector 40 are preferably manufactured of resilient plastics material, however mild steel can also be used.
  • the solenoids 16 and 50 can be replaced by other forms of actuators.
  • the latch piece 30 can be simplified to omit the inclination of the connecting arm 35.
  • the solenoid 30 was located underneath the solenoid 16, the armatures 17 and 51 can be longitudinally aligned one above the other without unwanted collision between the lever 20 and the latch piece 30.
  • the dump valve assembly 10 disclosed herein has specifically been designed to form part of an automatic dishwasher locatable in a kitchen sink.
  • the present invention is not limited to use in sinks and basins.
  • Other applications such as swimming pool outlets or outlets for storage vats are equally applicable.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Environmental & Geological Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Magnetically Actuated Valves (AREA)
  • Mechanically-Actuated Valves (AREA)
EP19910309965 1990-11-22 1991-10-29 Dump valve assembly Withdrawn EP0487215A3 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AU3471/90 1990-11-22
AUPK347190 1990-11-22

Publications (2)

Publication Number Publication Date
EP0487215A2 true EP0487215A2 (de) 1992-05-27
EP0487215A3 EP0487215A3 (en) 1993-02-24

Family

ID=3775093

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19910309965 Withdrawn EP0487215A3 (en) 1990-11-22 1991-10-29 Dump valve assembly

Country Status (3)

Country Link
EP (1) EP0487215A3 (de)
JP (1) JPH05196171A (de)
CA (1) CA2054469A1 (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363519A (en) * 1992-12-23 1994-11-15 Kohler Co. Drain valve assembly
US5640724A (en) * 1995-04-24 1997-06-24 Holmes; John W. Magnetically activated lavatory drain plug
US6308351B1 (en) * 1999-12-14 2001-10-30 Craig Robert Franke Electromatic pop up drain
US6675407B1 (en) * 2002-11-08 2004-01-13 Wcm Industries, Inc. Solenoid activated bathtub drain closure
EP3315675A1 (de) * 2016-08-01 2018-05-02 McAlpine & Co Limited Abflusssteuerung

Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768388A (en) * 1955-03-17 1956-10-30 Smith Leonard Drain valve mechanism
US2989758A (en) * 1958-03-31 1961-06-27 Crane Co Power actuated waste mechanism
US3115643A (en) * 1962-08-27 1963-12-31 Glenn R Whitney Electrical flush valve actuating means
CH377746A (de) * 1960-01-21 1964-05-15 Troesch & Co Ag Ablaufeinrichtung an Waschbecken
US3416559A (en) * 1965-07-30 1968-12-17 Barrera Jose Marlet Combination drain and trap unit
US3453667A (en) * 1966-10-07 1969-07-08 Young Stephen A Drain valve connecting means
FR2391329A1 (fr) * 1977-05-21 1978-12-15 Grohe Armaturen Friedrich Systeme d'evacuation et de trop-plein pour baignoire ou receptacle de douche
DE3439468A1 (de) * 1984-10-27 1986-05-07 Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer Betaetigungsvorrichtung fuer wasserventile
EP0392280A1 (de) * 1989-03-30 1990-10-17 Kohler Co. Betätigungseinrichtung für ein Abflussventil

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2768388A (en) * 1955-03-17 1956-10-30 Smith Leonard Drain valve mechanism
US2989758A (en) * 1958-03-31 1961-06-27 Crane Co Power actuated waste mechanism
CH377746A (de) * 1960-01-21 1964-05-15 Troesch & Co Ag Ablaufeinrichtung an Waschbecken
US3115643A (en) * 1962-08-27 1963-12-31 Glenn R Whitney Electrical flush valve actuating means
US3416559A (en) * 1965-07-30 1968-12-17 Barrera Jose Marlet Combination drain and trap unit
US3453667A (en) * 1966-10-07 1969-07-08 Young Stephen A Drain valve connecting means
FR2391329A1 (fr) * 1977-05-21 1978-12-15 Grohe Armaturen Friedrich Systeme d'evacuation et de trop-plein pour baignoire ou receptacle de douche
DE3439468A1 (de) * 1984-10-27 1986-05-07 Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer Betaetigungsvorrichtung fuer wasserventile
EP0392280A1 (de) * 1989-03-30 1990-10-17 Kohler Co. Betätigungseinrichtung für ein Abflussventil

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5363519A (en) * 1992-12-23 1994-11-15 Kohler Co. Drain valve assembly
EP0675986A1 (de) * 1992-12-23 1995-10-11 Kohler Co. Abflussventil
EP0675986A4 (de) * 1992-12-23 1997-04-23 Kohler Co Abflussventil.
US5640724A (en) * 1995-04-24 1997-06-24 Holmes; John W. Magnetically activated lavatory drain plug
US6308351B1 (en) * 1999-12-14 2001-10-30 Craig Robert Franke Electromatic pop up drain
US6675407B1 (en) * 2002-11-08 2004-01-13 Wcm Industries, Inc. Solenoid activated bathtub drain closure
EP3315675A1 (de) * 2016-08-01 2018-05-02 McAlpine & Co Limited Abflusssteuerung
US10458104B2 (en) 2016-08-01 2019-10-29 Mcalpine & Co. Ltd. High flow drain control

Also Published As

Publication number Publication date
CA2054469A1 (en) 1992-05-23
JPH05196171A (ja) 1993-08-06
EP0487215A3 (en) 1993-02-24

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