EP4043651A1 - Armature sanitaire dotée d'un élément actionneur - Google Patents

Armature sanitaire dotée d'un élément actionneur Download PDF

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Publication number
EP4043651A1
EP4043651A1 EP22155227.6A EP22155227A EP4043651A1 EP 4043651 A1 EP4043651 A1 EP 4043651A1 EP 22155227 A EP22155227 A EP 22155227A EP 4043651 A1 EP4043651 A1 EP 4043651A1
Authority
EP
European Patent Office
Prior art keywords
stop
actuating element
housing
sanitary fitting
end position
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.)
Pending
Application number
EP22155227.6A
Other languages
German (de)
English (en)
Inventor
Hendrik BEGEROW
Sascha MENGES
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.)
Grohe AG
Original Assignee
Grohe AG
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 Grohe AG filed Critical Grohe AG
Publication of EP4043651A1 publication Critical patent/EP4043651A1/fr
Pending 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
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • 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
    • E03C1/05—Arrangements of devices on wash-basins, baths, sinks, or the like for remote control of taps
    • E03C1/055—Electrical control devices, e.g. with push buttons, control panels or the like
    • E03C1/057—Electrical control devices, e.g. with push buttons, control panels or the like touchless, i.e. using sensors
    • 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
    • E03C1/0412—Constructional or functional features of the faucet handle

Definitions

  • the present invention relates to a sanitary fitting by means of which cold water and hot water can be mixed to form mixed water with a desired mixed water temperature.
  • the mixed water can be provided in particular at washbasins, sinks, showers and/or bathtubs.
  • Sanitary fittings can be embodied, for example, as electronic sanitary fittings, in which the discharge of the mixed water can be controlled by an infrared sensor. If the infrared sensor detects, for example, the hands of a user of the sanitary fitting below an outlet opening of the sanitary fitting, a valve is opened by controlling the sanitary fitting so that the mixed water can be discharged via the outlet opening.
  • the mixed water temperature can be adjustable via an actuating element, for example in the form of a rotary lever or rotary handle. If the mixed water temperature is set very high, there is a risk of scalding for the user. This is particularly dangerous for children.
  • the object of the invention is therefore to at least partially solve the problems described with reference to the prior art and in particular to specify a sanitary fitting which has a lower risk of scalding.
  • the sanitary fitting can in particular be designed in the manner of an electronic sanitary fitting.
  • the sanitary fitting can in particular have an infrared sensor, by means of which, for example, a user's hands can be detected in a dispensing area of the sanitary fitting.
  • the infrared sensor can in particular be connected (data-carrying) to a control of the sanitary fitting.
  • the controller can be designed, for example, in the manner of a microcontroller or microprocessor.
  • a valve can be actuated by the controller, by means of which the discharge of a mixed water through the sanitary fitting can be controlled.
  • the sanitary fitting serves in particular to supply the mixed water to a washbasin, sink, shower and/or bathtub.
  • the sanitary fitting has a fitting housing.
  • the fitting housing can be at least partially made of plastic and/or metal, such as brass or a zinc alloy. Furthermore, the fitting housing can be fastened in particular to a support, such as a (kitchen) worktop, the sink, the shower or the bathtub. In addition, the fitting housing can have an outlet, in particular a pivotable or rigid outlet. In particular, the outlet opening for dispensing the mixed water can be arranged or formed on the outlet.
  • the sanitary fitting has a mixer for mixing cold water and hot water to form the mixed water with a desired mixed water temperature.
  • the mixer can be designed, for example, in the manner of a mixing valve or a mixing cartridge.
  • the mixer can have a mixing shaft, for example, through which a cold water channel for the cold water and a hot water channel for the hot water can be closed and opened in opposite directions.
  • “Oppositely” can be understood in particular to mean that closing the cold water duct leads to opening of the hot water duct and vice versa.
  • a cold water temperature of the cold water is in particular a maximum of 25° C. (Celsius), preferably 1° C. to 25° C., particularly preferably 5° C. to 20° C. and/or a hot water temperature of the hot water is in particular a maximum of 100° C., preferably 25° C 100°C, more preferably 55°C to 65°C.
  • the cold water and hot water can be mixed to form the mixed water, in particular in a mixing chamber of the mixer.
  • the mixer is at least partially arranged in the fitting housing.
  • the sanitary fitting has an actuating element which can be rotated about an axis of rotation relative to the fitting housing in order to actuate the mixer between a first end position and a second end position.
  • the actuating element can be designed, for example, in the manner of an adjusting lever, rotary lever or rotary knob.
  • the actuating element can be arranged at least partially in the fitting housing. This can mean, for example, that the actuating element protrudes from the fitting housing.
  • the fitting housing has an opening for the actuating element.
  • the actuating element extends in particular through the opening.
  • the opening can be formed in particular in a side wall of the fitting housing.
  • the axis of rotation may be (substantially) horizontal.
  • the mixed water temperature of the mixed water can be adjusted by means of the actuating element.
  • the mixed water In the first end position of the actuating element, the mixed water can be mixed in particular with a minimum mixed water temperature, which can correspond to the cold water temperature, for example, and in the second end position of the actuating element with a maximum mixed water temperature, which can correspond to the hot water temperature, for example.
  • the actuating element is located in particular in the first end position when the actuating element has been rotated fully counterclockwise about the axis of rotation, and in the second end position when the actuating element has been rotated fully clockwise about the axis of rotation, or vice versa.
  • the actuating element can be rotated about the axis of rotation, for example at an angle of 90° to 360°, preferably 160° to 200°, particularly preferably (approximately) 180°.
  • the mixed water can be delivered, for example, at a (definable or predetermined) mixed water temperature that is below a scalding temperature.
  • the mixed water temperature can be, for example, below 55° C., for example 25° C. to 50° C.
  • the actuating element can be adjusted parallel to the axis of rotation, in particular by the user of the sanitary fitting.
  • a blockage can be released or deactivated, which in the intermediate position prevents a rotary movement of the actuating element in the direction of the second end position.
  • the actuating element can be adjusted parallel to the axis of rotation, for example, by at least partially pressing the actuating element into the fitting housing.
  • the actuating element in order to overcome the intermediate position, can be pushed in for example 1 mm (millimeter) to 10 mm into the fitting housing.
  • the intermediate position thus requires a non-intuitive movement of the actuating element so that the actuating element can be further adjusted in the direction of the second end position in the intermediate position is.
  • a risk can be reduced that the actuating element is rotated too far in the direction of the second end position and the mixed water temperature is thus set, for example by children, in particular above the scalding temperature.
  • the fact that the intermediate position can be overcome also does not limit the convenience and flexibility of the sanitary fitting, because it is still possible to tap mixed water at a maximum mixed water temperature if required.
  • the actuating element can be at least partially pulled out of the fitting housing.
  • the actuating element can be pulled out of the fitting housing by, for example, 1 mm (millimeter) to 10 mm.
  • the actuating element can be adjustable against a spring force of a spring.
  • the spring can be designed, for example, in the manner of a helical spring.
  • the spring force can be, for example, 2 N (Newton) to 50 N, preferably 5 N to 25 N.
  • the spring can be arranged in particular in the actuating element.
  • the spring can be compressible or collapsible when the actuating element is adjusted parallel to the axis of rotation or when the actuating element is pulled out of the fitting housing.
  • the spring can be supported against a fastening element of the actuating element.
  • the fastening element can be a screw, for example.
  • the screw can at least partially extend through the fastening element and/or be screwed into the mixer.
  • a first stop of the actuating element can contact a first housing stop of the sanitary fitting, in the intermediate position a second stop of the actuating element can contact a second housing stop of the sanitary fitting, and in the second end position a third stop of the actuating element can contact the second housing stop of the sanitary fitting.
  • the first case attack and/or the second housing stop can be formed in particular on the mixer.
  • the actuating element can therefore only be rotated from the first end position in the direction of the intermediate position and/or the second end position. Due to the contact of the second stop of the actuating element with the second housing stop of the sanitary fitting, rotation of the actuating element about the axis of rotation in only one (single) direction of rotation, for example clockwise or counterclockwise, can be blocked in the intermediate position. As a result, the actuating element can only be rotated from the intermediate position (without an adjustment parallel to the axis of rotation) in the direction of the first end position.
  • the first housing stop or the second housing stop can be formed on a mixer housing of the mixer.
  • the first housing stop and/or the second housing stop can be formed on the mixer housing of the mixer.
  • the first housing stop and the second housing stop can be arranged in a groove, in particular an annular groove, in the mixer housing.
  • the groove can be formed in particular on an outer peripheral surface of the mixer housing.
  • the first stop, the second stop or the third stop can be formed on an adapter of the actuating element.
  • the first stop, the second stop and/or the third stop can be formed on the adapter of the actuating element.
  • an adjusting lever of the actuating element can be connected to the mixer or a mixer shaft of the mixer via the adapter.
  • the adapter can consist, for example, at least partially of metal and/or plastic.
  • the adapter can be designed in the manner of a plastic injection molded part.
  • the adapter can be at least partially tubular.
  • the first stop, the second stop or the third stop can be arranged on an end face of the adapter.
  • the first stop, the second stop and/or the third stop can be arranged on the end face of the adapter.
  • the end face is in particular a longitudinal end of the adapter.
  • the longitudinal end or the face of the adapter points in particular in the direction of the mixer or a mixer shaft of the mixer.
  • the second stop and the third stop can be designed in steps. This can mean, in particular, that the second stop and the third stop are formed with different depths parallel to the axis of rotation, starting from the longitudinal end or from the front side of the adapter.
  • the 1 shows a sanitary fitting 1 in a side view.
  • the sanitary fitting 1 comprises a fitting housing 2 with an outlet 16 and an outlet opening 17.
  • a discharge of water via the outlet opening 17 can be controlled in the sanitary fitting 1 by an infrared sensor 18, by means of which the hands of a user of the sanitary fitting 1 below the outlet opening 17 can be detected.
  • the sanitary fitting 1 includes an actuating element 4 through the one in the Figures 2 to 4 shown mixer 3 can be actuated.
  • Cold water and hot water can be mixed by the mixer 3 to form a mixed water with a desired mixed water temperature, which can be discharged via the outlet opening 17 .
  • the mixed water temperature can be adjusted by a user of the sanitary fitting 1 by means of the actuating element 4 .
  • the 2 shows the sanitary fitting 1 in a first sectional view along the in 1 shown cutting line II-II.
  • the actuating element 4 comprises an adjusting lever 19 and an adapter 14.
  • the adjusting lever 19 is slipped onto the adapter 14, so that the adjusting lever 19 and the adapter 14 are connected to one another in a torsion-proof manner.
  • the adapter 14 is in turn connected to a mixing shaft 20 of the mixer 3 so that it cannot rotate.
  • the mixing shaft 20 is rotatably mounted in an installation space 21 of a mixer housing 13 of the mixer 3 so that the mixing shaft 20 can be rotated with the actuating element 4 about an axis of rotation 5 .
  • the mixing shaft 20 comprises a first valve body geometry 22 and a second valve body geometry 23, which have an oblique course in relation to the axis of rotation 5 and between which a mixing chamber 24 is formed.
  • a cold water channel 25 for cold water and a hot water channel 26 for hot water open into the mixing chamber 24 .
  • the cold water can be fed to the sanitary fitting 1 via a cold water pipe 27 and the hot water can be fed to the sanitary fitting 1 via a hot water pipe 28 .
  • the mixing shaft 20 By rotating the mixing shaft 20 about the axis of rotation 5, the cold water channel 25 and hot water channel 26 can be opened and closed in opposite directions to one another by the first valve body geometry 22 and the second valve body geometry 23.
  • the mixing shaft 20 when the mixing shaft 20 is rotated in a first direction of rotation, the cold water channel 25 is increasingly closed by the first valve body geometry 22 and the hot water channel 26 is increasingly opened by the second valve body geometry 23 .
  • the cold water channel 25 is increasingly opened by the first valve body geometry 22 and the hot water channel 26 is increasingly closed by the second valve body geometry 23 .
  • the mixed water can then be supplied to a valve 30 via a mixed water duct 29, via which the mixed water to the in the 1 outlet opening 17 shown can flow.
  • the valve 30 is here a bistable solenoid valve that uses the in the 1 infrared sensor 18 shown can be controlled.
  • the mixer 3 is fastened in the fitting housing 2 with its mixer housing 13 .
  • the 3 shows the sanitary fitting 1 in a second sectional view along the in 2 section line III-III shown.
  • the adapter 14 of the actuating element 4 is first attached to the mixing shaft 20, so that the adapter 14 is connected to the mixing shaft 20 in a rotationally fixed manner.
  • the connection between the adapter 14 and the mixing shaft 20 can take place via a first serration 33 .
  • a spring 6 is then arranged in an annular space 31 of the adapter 14 and secured in the annular space 31 with a fastening element 7 and a washer 32 .
  • the adapter 14 is pressed in the direction of the mixing shaft 20 by a spring force of the spring 6 .
  • the fastening element 7 is a screw that is screwed into the mixing shaft 20 .
  • the adjusting lever 19 can be pushed onto the adapter 14 so that the adjusting lever 19 is connected to the adapter 14 in a torsion-proof manner.
  • the connection between the adjusting lever 19 and the adapter 14 can be effected via a second serration 45 .
  • the adjusting lever 19 is fastened to the adapter 14 with a screw 46 .
  • the 4 shows the sanitary fitting 1 in a third sectional view in the in 3 shown area.
  • the adapter 14 of the actuating element 4 has, on a longitudinal end 34 facing the mixing shaft 20, an end face 15 on which a first stop 8, second stop 10 and third stop 12 are formed.
  • the first stop 8 and the third stop 12 extend directly from the end face 15 of the adapter 14 with a first depth 35 in a longitudinal direction 36 of the adapter 14, the longitudinal direction 36 running parallel to the axis of rotation 5 of the actuating element 4.
  • the first stop 8 and the third stop 12 are oriented in different directions in a circumferential direction 37 of the adapter 14 .
  • first stop 8 and the third stop 12 are offset in the circumferential direction 37 of the adapter 14 , which here corresponds to (approximately) 90° around the axis of rotation 5 .
  • the first stop 8 and the third stop 12 each have stop surfaces which (essentially) extend in the longitudinal direction 36 and in a radial direction 38 of the adapter 14 .
  • the second stop 10 extends relative to the end face 15 of the adapter 14 with a second depth 39 in the longitudinal direction 36 of the adapter 14 and relative to the third stop 12 with a third depth 40 in the longitudinal direction 36 of the adapter 14.
  • the second Stop 10 and the third stop 12 are oriented in the circumferential direction 37 of the adapter 14 in the same directions.
  • the second stop 10 and the third stop 12 are offset in the circumferential direction 37 of the adapter 14 , which here corresponds to (approximately) 45° around the axis of rotation 5 .
  • the second stop 10 has a stop surface that extends (substantially) in the longitudinal direction 36 and the radial direction 38 of the adapter 14 .
  • the actuating element 4 is located in the 4 in a first end position, in which the actuating element 4 is rotated counterclockwise (indicated by a first arrow 41) completely about the axis of rotation 5.
  • the first stop 8 contacts one in the figure 5 shown first housing stop 9 of the mixer housing 13, so that the actuating element 4 is no longer rotatable counterclockwise about the axis of rotation 5.
  • the first end position is in the 2 Cold water channel 25 shown is fully open and the hot water channel 26 is fully closed, so that the mixed water temperature is minimal or corresponds to a cold water temperature of the cold water.
  • the actuating element 4 can be rotated clockwise (indicated by a second arrow 42) about the axis of rotation 5 until the second stop 10 of the adapter 14 is in a figure 5 shown second housing stop 11 contacted.
  • the actuating element 4 is then in an intermediate position in which the in the 2 shown cold water channel 25 and Hot water channel 26 are each partially open.
  • the mixed water has a mixed water temperature that lies between the cold water temperature of the cold water and a hot water temperature of the hot water.
  • the actuating element 7 In order to be able to rotate the actuating element 7 further in a clockwise direction about the axis of rotation 5 into a second end position, the actuating element 7 must be pulled out of the fitting housing 2 parallel to the axis of rotation 5 until the second stop 10 no longer engages with the one in the figure 5 shown second housing stop 11 of the mixer housing 13 is engaged. i.e.
  • the actuating element 4 must be pulled out of the fitting housing 2 parallel to the axis of rotation 5 by a length which corresponds at least to the third depth 40 of the second stop 10 .
  • the pulling out of the actuating element 4 takes place against the spring force in the 3 shown spring 6.
  • the spring 6 is thus tensioned or compressed when the actuating element 4 is pulled out of the fitting housing 2.
  • the actuating element 4 can be rotated from the intermediate position further clockwise about the axis of rotation 5 to the second end position, in which the actuating element 4 is rotated completely clockwise about the axis of rotation 5.
  • the third stop 12 contacts the one in the figure 5 shown second housing stop 11 of the mixer housing 13, so that the actuating element 4 can no longer be rotated clockwise about the axis of rotation 5.
  • the second end position is in the 2
  • the cold water channel 25 shown is completely closed and the hot water channel 26 is completely open, so that the mixed water temperature is at a maximum or corresponds to the hot water temperature of the hot water.
  • the actuating element 4 can be rotated counterclockwise around the axis of rotation 5 back in the direction of the first end position.
  • the figure 5 shows the mixer housing 13 in a perspective view.
  • the first housing stop 9 and the second housing stop 11 are arranged offset in relation to one another in an annular groove 43 and at an angle 44 about the axis of rotation 5 .
  • the angle 44 here corresponds to (approximately) 90°. That in the Figures 1 to 4
  • the actuating element 4 shown can thus be rotated by 180° about the axis of rotation 5 between the first end position and the second end position.
  • the present invention reduces the risk of scalding when a user uses the sanitary fitting.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Domestic Plumbing Installations (AREA)
  • Multiple-Way Valves (AREA)
EP22155227.6A 2021-02-15 2022-02-04 Armature sanitaire dotée d'un élément actionneur Pending EP4043651A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102021103490.6A DE102021103490A1 (de) 2021-02-15 2021-02-15 Sanitärarmatur mit einem Betätigungselement

Publications (1)

Publication Number Publication Date
EP4043651A1 true EP4043651A1 (fr) 2022-08-17

Family

ID=82386232

Family Applications (1)

Application Number Title Priority Date Filing Date
EP22155227.6A Pending EP4043651A1 (fr) 2021-02-15 2022-02-04 Armature sanitaire dotée d'un élément actionneur

Country Status (2)

Country Link
EP (1) EP4043651A1 (fr)
DE (1) DE102021103490A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021134177A1 (de) 2021-12-21 2023-06-22 Grohe Ag Wasserarmatur mit Verbrühschutz

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540129B1 (fr) * 2018-03-12 2020-06-03 Flühs Drehtechnik GmbH Robinetterie sanitaire
EP3812519A1 (fr) * 2019-10-21 2021-04-28 Horcher GmbH Agencement de soupape

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102013017233B4 (de) 2013-10-17 2018-08-09 Grohe Ag Sanitärarmatur mit Sicherheitsdruckschalter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3540129B1 (fr) * 2018-03-12 2020-06-03 Flühs Drehtechnik GmbH Robinetterie sanitaire
EP3812519A1 (fr) * 2019-10-21 2021-04-28 Horcher GmbH Agencement de soupape

Also Published As

Publication number Publication date
DE102021103490A1 (de) 2022-08-18

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