EP3375526B1 - Dispositif de distribution d'un jet d'eau - Google Patents

Dispositif de distribution d'un jet d'eau Download PDF

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Publication number
EP3375526B1
EP3375526B1 EP17425028.2A EP17425028A EP3375526B1 EP 3375526 B1 EP3375526 B1 EP 3375526B1 EP 17425028 A EP17425028 A EP 17425028A EP 3375526 B1 EP3375526 B1 EP 3375526B1
Authority
EP
European Patent Office
Prior art keywords
plate
water
dispensing
dispenser
dispensing chamber
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
EP17425028.2A
Other languages
German (de)
English (en)
Other versions
EP3375526A1 (fr
Inventor
Gerhard Nikles
Alberto Turrini
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.)
Nikles Tec Italia SRL
Original Assignee
Nikles Tec Italia SRL
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 Nikles Tec Italia SRL filed Critical Nikles Tec Italia SRL
Priority to EP17425028.2A priority Critical patent/EP3375526B1/fr
Priority to ES17425028T priority patent/ES2770088T3/es
Publication of EP3375526A1 publication Critical patent/EP3375526A1/fr
Application granted granted Critical
Publication of EP3375526B1 publication Critical patent/EP3375526B1/fr
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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B05B1/185—Roses; Shower heads characterised by their outlet element; Mounting arrangements therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/28—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with integral means for shielding the discharged liquid or other fluent material, e.g. to limit area of spray; with integral means for catching drips or collecting surplus liquid or other fluent material

Definitions

  • the present invention relates to a dispenser device of a jet of water, such as a hand shower, shower head or bulb, in particular of the plate-type, i.e. having a flattened shape, with an extension in the plane perpendicular to the dispensing direction of the jet of water much greater than the thickness or height of the dispenser device.
  • a dispenser device of a jet of water such as a hand shower, shower head or bulb
  • the plate-type i.e. having a flattened shape
  • the dispensing device In sanitary systems for dispensing or distributing water, once the dispensing is interrupted for example by a user, the water present in the end dispensing device does not flow away immediately and completely. On the contrary, the dispensing device continues to dispense a quantity, even if minimal, of water, for example in the form of drops, for several seconds.
  • the purpose of the present invention is to propose a dispensing device of a jet of water able to satisfy this need, even in the case of plate-type and large dispensing devices.
  • reference numeral 1 globally denotes a dispenser device of a jet of water according to the invention.
  • the device 1 illustrated in the drawings is in the form of a shower head, in particular of the plate-type, i.e. having an extension in the plane perpendicular to the dispensing direction of the jet of water much greater than the thickness of the shower head. It is clear, however, that the teaching of the present invention could likewise be implemented in a hand-held shower, or even a dispenser head of a tap such as for a bathtub.
  • the dispenser device in this case, has a main extension in the horizontal plane.
  • the device 1 comprises, in a general embodiment, a device body 10 defining a dispensing chamber 100 of a flat shape, i.e. suitable to receive a layer of water extending horizontally but very thin.
  • the device body 1 is provided with a connection element 200 suitable to fluidically connect the dispensing chamber 100 with a water supply pipe - not shown.
  • the device body 1 is delimited at the bottom by a dispenser plate 14.
  • a dispenser plate 14 In this dispenser plate 14 a plurality of outlet holes 16 of the water are made.
  • the water outlet holes 16 are uniformly distributed in the dispenser plate 14, so as to generate a rain-like jet of water.
  • an inner plate 18 On the inner side of the dispenser plate 14, i.e. on the side facing the dispensing chamber 100, an inner plate 18 is positioned. From this inner plate 18 a plurality of dispensing nozzles 20 extend which are inserted in the respective water outlet holes 16. Each dispensing nozzle 20 is in fluidic communication with the dispensing chamber 100.
  • the dispensing nozzles 20 pass through the entire thickness of the dispenser plate 14 and protrude downwards from it.
  • the inner plate 18 and the dispensing nozzles 20 are made in a single body made of a soft material.
  • the dispensing nozzles 20 of soft material protruding from the dispenser plate can be pressed by the user to remove limescale.
  • the dispensing chamber 100 is delimited below by the inner plate 18.
  • the device body 1 comprises a closure plate 22 which delimits the dispensing chamber 100 above.
  • the device body 1 further comprises a side wall 24 which connects the dispenser plate 14 to the closure plate 22.
  • a plurality of concave, truncated-pyramid portions 26 is made.
  • Each of these concave, truncated-pyramid portions 26 has a base 262 open towards the dispensing chamber 100 and the vertex 264 coinciding with a respective dispensing nozzle 20. More precisely, the vertex 264 coincides with the inlet opening of the water of a respective nozzle 20.
  • each concave truncated-pyramid portion 26 and the respective dispensing nozzle 20 form a sort of funnel for the water present in the dispensing chamber 100.
  • each concave truncated-pyramid portion 26 is greater than the height.
  • the side walls 266 of the concave portions 26 have a slightly accentuated slope, but in any case sufficient to overcome the surface tension of the molecules of water so as to cause, by gravity, the exit of the water from the side walls towards the respective dispensing nozzles 20.
  • each concave portion 26 has each side of its base 262 in common with a side or with a portion of the side of an adjacent conical portion, in such a way that the surface of the inner plate 18 facing towards the dispensing chamber is substantially devoid of flat portions.
  • the upper surface of the inner plate is formed exclusively by concave portions 26 adjacent to each other seamlessly.
  • the bases 262 of the concave portions form a lattice of edges.
  • the sides, or edges, which delimit the open bases 262 of the concave portions 26, lie on the same horizontal plane.
  • the layer of water present in the dispensing chamber 100 even if devoid of pressure, does not find any flat surface that prevents, due to the surface tension of the molecules of water, the complete emptying towards the dispensing nozzles.
  • the layer of water slides by gravity along the side walls of the concave portions 266 and reaches the dispensing nozzles 20.
  • the device body 10, the dispenser plate 14 and the inner plate 18 have a circular outline.
  • the concave truncated-pyramid portions 26 may be made along concentric circular crowns.
  • each concave truncated-pyramid portion 26 forms a circular crown sector.
  • the concave truncated-pyramid portions have a rectangular base.
  • said side walls are provided with ribs 268 which extend from the sides of the base 262 towards the respective dispensing nozzle 20. These ribs 268 further prevent the adhesion of the water molecules to the side walls 266.
  • the complete and immediate emptying of the dispensing chamber is further facilitated by providing in the connection element 200 suction means 300 suitable to aspirate air from the outside and to introduce the aspirated air into the dispensing chamber 100.
  • connection element 200 comprises a connection body 202 in which an inlet duct 204 connected to the water supply pipe, an outlet duct 206 in fluidic communication with the dispensing chamber 100, and at least one intermediate passage placing the inlet duct in fluidic communication with the outlet duct, are made.
  • an air suction channel 208 communicating with the outside and open towards the outlet duct 206 is also made.
  • An obturator movable between a closed position of the suction channel 208 and an open position of the suction channel 208 for the aspiration of air from the outside toward the outlet duct 206 is associated with this suction channel 208.
  • the obturator device is kept in the closed position of the suction channel 208 by the water pressure flowing through the connection element 200; when the water supply stops, and therefore the pressure on the obturator stops, the latter returns, for example by gravity, to the open position of the suction channel 208, so that an air flow is aspirated from the outside and introduced into the dispensing chamber 100.
  • This air flow helps to overcome the force of cohesion between the water molecules and the walls which delimit the dispensing chamber 100, in particular the wall of the closure plate 22.
  • the dispenser plate 14 has a peripheral edge which forms the side wall 24 of the device body.
  • this side wall 24 extends perpendicular to the plane where the water outlet holes 16 are made.
  • a plurality of fastening pins 142 extend from the dispenser plate 14 into the dispensing chamber, in each of which a threaded hole 144 is made.
  • the closure plate 22 of the device body 10 is connected to the dispenser plate 14 by means of fastening screws 222 screwed into the threaded holes 144.
  • connection element 200 comprises a ball joint 210 which allows the oscillation of the dispensing device relative to the water supply pipe.
  • the closure plate 22 is provided with a threaded collar 230 which forms a joint seat for the ball joint 210. The latter is retained in the joint seat with the possibility of oscillation by means of a threaded sleeve 232 screwed onto the threaded collar.
  • the closure plate 22, fixed by means of screws 222 to the dispenser plate 14, is coated with a cover plate 30, for example bent around or welded to the closure plate 22, so as to conceal from view the heads of the screws 222.

Landscapes

  • Nozzles (AREA)

Claims (13)

  1. Dispositif de distribution d'un jet d'eau, comprenant :
    - un corps de dispositif (10) définissant une chambre de distribution (100) de forme aplatie avec une extension principale dans la direction perpendiculaire à celle du jet d'eau délivré, ledit corps de dispositif (10) étant muni d'un élément de raccordement (200) adapté pour raccorder de manière fluidique la chambre de distribution (100) à un tuyau d'alimentation en eau.
    - une plaque de distribution (14) qui forme une paroi du corps de dispositif et dans laquelle est ménagée une pluralité d'orifices de sortie (16) de l'eau,
    - une plaque interne (18) qui repose sur la plaque de distribution et à partir de laquelle s'étend une pluralité de buses de distribution (20) qui sont insérées dans des orifices de sortie respectifs (16) de l'eau, chaque buse de distribution (20) étant en communication fluidique avec la chambre de distribution (100),
    le dispositif étant caractérisé en ce que, dans l'épaisseur de la plaque interne (18), est formée une pluralité de portions pyramidales tronconiques concaves (26), chacune ayant sa base (262) ouverte vers la chambre de distribution et le sommet (264) coïncidant avec une buse de distribution respective (20), chaque portion concave (26) ayant chaque côté de sa base en commun avec un côté ou avec une portion du côté d'une portion concave adjacente (26), d'une manière telle que la surface de la plaque interne (18) orientée vers la chambre de distribution (100) est sensiblement exempte de portions planes.
  2. Dispositif selon la revendication 1, dans lequel les orifices de sortie (16) de l'eau, avec leurs buses de distribution respectives (20), sont uniformément répartis sur toute la surface de la plaque de distribution (14).
  3. Dispositif selon la revendication 1 ou 2, dans lequel la plaque interne (18) et les buses de distribution (20) sont formées en un corps unique fait d'un matériau souple.
  4. Dispositif selon l'une quelconque des revendications précédentes, dans lequel le corps de dispositif, la plaque de distribution et la plaque interne ont une forme circulaire, et dans lequel les portions pyramidales tronconiques concaves (26) sont formées le long de couronnes circulaires concentriques.
  5. Dispositif selon la revendication précédente, dans lequel les côtés de la base (262) de chaque portion pyramidale tronconique concave (26) forment un secteur de couronne circulaire.
  6. Dispositif selon l'une quelconque des revendications 1 à 3, dans lequel le corps de dispositif, la plaque de distribution et la plaque interne ont une forme rectangulaire, et dans lequel les portions pyramidales tronconiques concaves ont une base rectangulaire.
  7. Dispositif selon l'une quelconque des revendications précédentes, dans lequel les parois latérales (266) de chaque portion pyramidale tronconique concave sont munies de nervures (268) qui s'étendent depuis les côtés de la base vers la buse de distribution respective.
  8. Dispositif selon l'une quelconque des revendications précédentes, dans lequel l'élément de raccordement (200) est muni de moyens d'aspiration (300) adaptés pour aspirer de l'air de l'extérieur et pour introduire l'air aspiré dans la chambre de distribution (100).
  9. Dispositif selon la revendication précédente, dans lequel l'élément de raccordement (200) comprend un corps de raccordement (202) dans lequel sont formés un conduit d'admission (204) raccordé au tuyau d'alimentation en eau, un conduit de sortie (206) en communication fluidique avec la chambre de distribution, au moins un passage intermédiaire plaçant le conduit d'admission en communication fluidique avec le conduit de sortie, dans lequel, dans le corps de raccordement, un canal d'aspiration d'air (208) communiquant avec l'extérieur et ouvert vers le conduit de sortie (206) est également formé, un obturateur mobile entre une position fermée du canal d'aspiration (208) et une position ouverte du canal d'aspiration (208) et destinée à l'aspiration d'air de l'extérieur vers le conduit de sortie (206) étant associé audit canal d'aspiration.
  10. Dispositif selon la revendication précédente, dans lequel le dispositif d'obturation est maintenu dans la position fermée du canal d'aspiration (208) par la pression d'eau s'écoulant à travers l'élément de raccordement (200) et revient en position ouverte de ladite ouverture de canal d'aspiration (208) suite à l'interruption de l'alimentation en eau.
  11. Dispositif selon l'une quelconque des revendications précédentes, dans lequel la plaque de distribution (14) a un bord périphérique qui forme la paroi latérale (24) du corps de dispositif, et dans lequel le corps de dispositif comprend une plaque de fermeture (22) qui délimite la chambre de distribution (100) sur le côté opposé à la plaque de distribution.
  12. Dispositif selon la revendication précédente, dans lequel une pluralité de broches de fixation (142) s'étendent depuis la plaque de distribution (14) à l'intérieur de la chambre de distribution, dans chacune desquelles un orifice fileté (144) est ménagé, et dans lequel la plaque de fermeture est raccordée à la plaque de distribution au moyen de vis de fixation (222) vissées dans lesdits orifices filetés.
  13. Dispositif selon l'une quelconque des revendications précédentes, dans lequel la plaque de fermeture (22) est pourvue d'un collier fileté formant un siège pour joint à rotule de l'élément de raccordement, ledit joint à rotule étant retenu dans ledit siège avec possibilité d'oscillation au moyen d'un manchon fileté vissé sur ledit collier fileté.
EP17425028.2A 2017-03-13 2017-03-13 Dispositif de distribution d'un jet d'eau Active EP3375526B1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP17425028.2A EP3375526B1 (fr) 2017-03-13 2017-03-13 Dispositif de distribution d'un jet d'eau
ES17425028T ES2770088T3 (es) 2017-03-13 2017-03-13 Dispositivo dispensador de un chorro de agua

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP17425028.2A EP3375526B1 (fr) 2017-03-13 2017-03-13 Dispositif de distribution d'un jet d'eau

Publications (2)

Publication Number Publication Date
EP3375526A1 EP3375526A1 (fr) 2018-09-19
EP3375526B1 true EP3375526B1 (fr) 2019-10-30

Family

ID=58672550

Family Applications (1)

Application Number Title Priority Date Filing Date
EP17425028.2A Active EP3375526B1 (fr) 2017-03-13 2017-03-13 Dispositif de distribution d'un jet d'eau

Country Status (2)

Country Link
EP (1) EP3375526B1 (fr)
ES (1) ES2770088T3 (fr)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006035792A1 (fr) * 2004-09-29 2006-04-06 Toto Ltd. Pomme de douche
DE202010001468U1 (de) 2010-01-28 2010-07-22 NIKLES TEC ITALIA S.r.l., Carpenedolo Auslassvorrichtung zur Erleichterung der Entleerung einer Vorrichtung zum Ausbringen von Flüssigkeiten
CN203803671U (zh) * 2014-03-14 2014-09-03 厦门英仕卫浴有限公司 防滴水莲蓬头
GB2539512B (en) * 2015-06-19 2021-03-24 Kohler Mira Ltd Spray head
US20170157626A1 (en) * 2015-12-03 2017-06-08 Sze Man Daphne CHAN Anti-drip showerhead

Non-Patent Citations (1)

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

Also Published As

Publication number Publication date
ES2770088T3 (es) 2020-06-30
EP3375526A1 (fr) 2018-09-19

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