EP2301668B1 - Pomme dotée d'une tête de pomme rotative - Google Patents

Pomme dotée d'une tête de pomme rotative Download PDF

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Publication number
EP2301668B1
EP2301668B1 EP10178965A EP10178965A EP2301668B1 EP 2301668 B1 EP2301668 B1 EP 2301668B1 EP 10178965 A EP10178965 A EP 10178965A EP 10178965 A EP10178965 A EP 10178965A EP 2301668 B1 EP2301668 B1 EP 2301668B1
Authority
EP
European Patent Office
Prior art keywords
shower
sealing
shower head
opening
supply
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.)
Not-in-force
Application number
EP10178965A
Other languages
German (de)
English (en)
Other versions
EP2301668A1 (fr
Inventor
Guido Wiesendahl
Miguel Alonso Garcia
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.)
Kludi GmbH and Co KG
Original Assignee
Kludi GmbH and Co KG
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 Kludi GmbH and Co KG filed Critical Kludi GmbH and Co KG
Priority to PL10178965T priority Critical patent/PL2301668T3/pl
Publication of EP2301668A1 publication Critical patent/EP2301668A1/fr
Application granted granted Critical
Publication of EP2301668B1 publication Critical patent/EP2301668B1/fr
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • 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
    • B05B1/16—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 having selectively- effective outlets
    • B05B1/1627—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 having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—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 having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • B05B1/1645—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 having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements the outlets being rotated during selection

Definitions

  • the invention relates to a shower head with rotatable shower head, which is rotatably mounted in a shower housing and which has at least one chamber which communicates with an inlet opening on the outer circumference, which inlet opening can be radially outflowed from a feed element integrated in the shower housing.
  • Such a shower is known as a hand shower. Due to the radial water supply a very flat design is possible. Water is supplied through the shower housing and passed through an inlet unit with a seal to the inlet opening in the shower head. The shower head can be rotated in certain angular steps, so that in each case a different inlet opening is positioned in front of the inlet unit.
  • the sealing element is pressed by means of a spring on the outer circumference of the rotatable shower head in the inlet unit. In this case, however, sealing problems have been shown, since the pressed-in by means of spring sealing element tilted slightly and himself deformed unevenly by the spring force.
  • the object of the invention is thus to improve in a shower of the type mentioned sealing the water transfer from the showerhead to the shower head.
  • the rounding of the sealing element on its rear side is chosen such that the radius of curvature corresponds to the radius R of the shower head when the seal is applied to the shower head.
  • the radius of curvature is either exactly equal to the shower head radius R or there are over- or undersize or not exactly circular arc-shaped forms provided to take into account elastic deformations that occur when pressure on the shower head.
  • a section of an elliptical contour may be selected for the sealing element.
  • the sealing chamber with respect to the feed element in the shower housing by a partition with divided off an inlet opening.
  • the axial displacement is limited and it is prevented that the sealing element, for example, in the case of a negative pressure in the water supply is drawn too far into the shower housing into it and jammed there.
  • sealing element not a loosely inserted sealing element as a whole, but only an annular, membrane-like sealing skin whose edge facing the inner flow opening is formed as a sealing lip, which is designed and determined for engagement with the round body of the rotatable shower head.
  • the sealing lip thus lifts off due to their material-related elastic restoring forces of the body of the shower head when no water pressure is present.
  • the sealing element is in particular in the two-component injection molding process molded directly onto the shower enclosure.
  • the mounting of the shower according to the invention reduces to the onset of the rotatable shower head in the shower housing and possibly even the fixation with a screw placed on the axis of rotation.
  • the inventive construction of the sealing unit offers particular advantages for a rotatable shower head, which has a plurality of functional zones, each opening into individual inlet openings and can be controlled separately.
  • the flow opening of the seal preferably always covers one of the inlet openings, at least partially, in all positions of the shower head. This avoids that in any position of the shower head abruptly the full line water pressure acts on the sealing element and on the backflow to the shower housing.
  • a contour is favorably formed according to the shape of a lying eight or an hourglass, where there are correspondingly large opening heights at the edge, in the respective covering area with the inlet opening.
  • the volume flow is variable, for example, by means of a flow limitation initially with a soft jet during showering to save water and then wash out the hair with a hard jet.
  • a water-saving function is favored by a wedge shape of the flow opening.
  • the cross section of the sealing chamber and the sealing element itself are elliptical or oblong hole-shaped.
  • the non-circular shape counteracts tilting of the sealing element in the sealing chamber.
  • the desirable for the design of the hand shower flat design can be maintained by the greater width of the shower housing is exploited to provide a correspondingly large pressure acting surface.
  • the lateral areas of the sealing element cover an initially used inlet opening even when the shower head is already twisted, and also the next following in the direction of rotation inlet opening is initially covered by the filled areas of the sealing element behind the pressure acting surfaces until the next locking position of the shower head is finally reached and the next inlet opening of the shower head and the flow opening of the sealing element are back in alignment.
  • the inlet opening of the sealing chamber should also be elliptical or oblong-shaped is and are preferably congruent before the sealing element.
  • the flow from the inlet opening through the sealing chamber is performed evenly on the sealing element.
  • the sealing element on the upstream side has a sealing collar protruding beyond the pressure acting surface.
  • the sealing collar which is in particular made thin and flexible, is applied radially outwardly against the walls of the sealing chamber, for which purpose the sealing collar preferably opens into a sealing tongue pointing outward against the wall of the sealing chamber. This prevents water from flowing past the outside of the sealing element.
  • the outer contour of the sealing element can thereby be slightly smaller than the inner contour of the corresponding receptacle for the sealing element in the sealing chamber. Thus, a slight axial displaceability of the sealing element is given, and it suffice lower contact pressure and accordingly smaller pressure acting surfaces to effect the sealing function.
  • the sealing element can have on its outer circumference at least one peripheral sealing projection, which is seen in front of or directly beside, in particular in the direction of flow the pressure acting surface is arranged.
  • a guide of the sealing element at its seat in the sealing chamber at two points, namely at the front of the sealing lip and something behind at the sealing ledge. In between, there remains a gap which prevents tilting and jamming of the sealing element.
  • the pressure acting surface is elliptical or elongated hole-shaped formed within the sealing collar and the central flow opening is circular and arranged in the center of the pressure acting surface.
  • the flow is channeled so that it passes directly into the underlying, preferably also circular feed opening in the shower head.
  • the non-circular shape of the pressure acting surface in turn makes maximum use of the available space in the sealing chamber.
  • the inlet element through which water is conducted into the sealing chamber, can be formed by a cavity in the shower housing, ie a channel which extends from the lower end of the grip area, where a water hose is connected, to the sealing chamber.
  • a hose may be inserted inside the showerhead.
  • FIG. 1 shows a shower 100, which is formed in the example shown as a hand shower and consists essentially of a shower housing 10 and a rotatable therein shower head 20.
  • the shower head 20 has a round contour with an outer radius R.
  • the shower housing 10 has, in addition to a handle region with a feed channel 15 used as a feed element, a head region 16 which encloses the shower head 20 with a cylindrical wall. When displayed in FIG. 1 Both the shower head 20 as well as the head area 16, the respective cover surfaces are removed to release the view into the interior.
  • the shower head 20 is divided in the illustrated embodiment into three chambers 21, 22, 23 and has at its bottom 27 in each chamber various nozzle elements.
  • Each chamber 21, 22, 23 communicates with a respective inlet opening 24, 25, 26 on the outer circumference in connection - partially directly, partially via inlet channels.
  • a partition 12 is arranged with a central inlet opening 14, which has an end portion of the inlet channel 15 divides, so that between the partition 12 and the outer periphery of the shower head 20, a sealing chamber 13 is formed.
  • a sealing element 11 is placed, which completely covers the cross section of the sealing chamber 13.
  • the exact structure of the sealing unit results from FIG. 2 ,
  • the sealing element 11 has a central flow opening 11.1.
  • the surface areas right and left next to it are transverse to the flow direction and constitute a so-called pressure acting surface 11.2, at which the water pressure attack and can cause an axial displacement of the sealing element 11 in the flow direction.
  • the inlet opening 14 on the partition wall 12 is formed so that its opening cross section is at least as large as the opening cross section of the flow opening 11.1. This avoids that the partition wall forms an effective flow obstruction, where there is a pressure drop.
  • the pressure gradient must rather operate in operation so that between the water pressure in the seal chamber 13 and the water pressure beyond the inlet opening 24, 25 or 26, ie at a point within the shower head 20, there is a differential pressure.
  • the sealing collar 11.3 has in the illustrated embodiment, at the front end of a sealing lip 11.5, which is inclined slightly obliquely outwards.
  • the sealing collar has 11.3 on the outer circumference a sealing projection 11.4.
  • the axial displacement of the sealing element 11 within the sealing chamber 13 is forward through the partition 12 limited in the shower housing 10 and back through the outer periphery of the shower head 20th
  • the sum of the opening cross-sectional area in the central flow opening 11.1 and the pressure acting surface 11.2 in the sealing element 11, that is, the surface portion A seal within the sealing collar 11.3, should be 1.01 times to 25 times the area A projected perpendicular to the flow direction inlet of each of the inlet openings 24, 25 or 26 amount.
  • FIG. 3 shows a head portion of a shower enclosure 10 'a shower 100'.
  • a shower head can be rotatably mounted, as in Fig. 1 is formed, but for the sake of clarity, is not shown here.
  • an elastomeric sealing element 11 ' is molded directly onto the shower housing 10'.
  • the areas of the shower housing 10 'made of hard thermoplastic material are similar here as in the first embodiment, so that here at the end of a feed channel 15 also a sealing chamber 13 is introduced with upstream partition wall 12 with inlet opening 14, although the partition wall in the second embodiment functional is not essential.
  • the sealing unit 11 ' is in FIG. 4 shown in detail. It can be seen there that extends the sealing lip 11.5 'of the boundary wall 17 of the seal chamber 13 from inside. Between the boundary wall 17 and the edge of the sealing lip 11.5 'or the outer edge of a Flow opening 11.1 'is thus an annular pressure-effective surface 11.2' is formed.
  • FIGS. 5a to 5c is shown with reference to the sealing member 11 according to the first embodiment of a shower 100, as the overlap of the inlet openings 24, 25 or 26 through the flow opening 11.1 in the sealing element 11 works.
  • the cylindrical jacket of the rotatable shower head 20 with its inlet openings 24, 25 and 26 is shown here as a development.
  • the sealing element 11 is located in front of it.
  • FIG. 5a the sealing element 11 is shown in front of the left inlet opening 24.
  • the flow opening 11.1 lies approximately centrally in front of the inlet opening 24.
  • the pressure-effective area 11.2 seals the surrounding area of the inlet opening 24 in total.
  • FIG. 5a The arrow direction in FIG. 5a indicates the direction of movement.
  • FIG. 5b The next following position shows FIG. 5b , In this case, the slot-shaped flow opening 11.1 still covers the left inlet opening 24 and the middle inlet opening 25 already.
  • FIG. 5c Upon further rotation, the position will decrease FIG. 5c reached: there is the flow opening 11.1 in front of the central inlet opening 25 and seals the surrounding area.

Landscapes

  • Nozzles (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Catching Or Destruction (AREA)

Claims (15)

  1. Pomme (100) dotée d'une tête de pomme rotative (20), qui est logée de manière à pouvoir tourner dans un boîtier de pomme (10) et qui présente au moins une chambre (21, 22, 23) en liaison avec une ouverture d'amenée (24, 25, 26) sur la périphérie extérieure, laquelle ouverture d'amenée (24, 25, 26) peut être traversée dans le sens radial depuis un élément d'amenée intégré dans le boîtier de pomme (10),
    caractérisée en ce qu'une unité d'étanchéité sans ressort est réalisée dans le boîtier de pomme (10) sur le passage de l'élément d'amenée (15) à l'ouverture d'amenée (24, 25, 26), laquelle unité comporte une chambre d'étanchéité (13) et au moins un élément d'étanchéité (11) inséré dedans qui :
    - est guidé de manière mobile dans le sens d'écoulement dans la chambre d'étanchéité (13),
    - présente au moins une surface active de pression (11.2) orientée transversalement au sens d'écoulement dans le canal d'écoulement en dehors du diamètre intérieur de son ouverture d'écoulement centrale et
    - est réalisé arrondi de manière concave sur son côté (11.6) arrière vu dans le sens d'écoulement, sachant que le rayon de l'arrondi correspond au rayon R de la tête de pomme (20).
  2. Pomme (100) selon la revendication 1, caractérisée en ce que l'élément d'étanchéité (11) présente, sur le côté d'afflux, un collet étanche (11.3) dépassant de la surface active de pression (11.2).
  3. Pomme (100 ; 100') selon la revendication 2, caractérisée en ce que le collet étanche (11.3) débouche dans une languette étanche (11.5) dirigée vers l'extérieur pour l'appui contre la paroi de la chambre d'étanchéité (13).
  4. Pomme (100 ; 100') selon l'une quelconque des revendications 1 à 3, caractérisée en ce que l'élément d'étanchéité (11) présente au moins une saillie étanche (11.4) périphérique sur sa périphérie extérieure.
  5. Pomme (100 ; 100') selon la revendication 4, caractérisée en ce que la saillie étanche (11.4) disposée sur la périphérie extérieure est disposée vu dans le sens d'écoulement devant ou à côté de la surface active de pression (11.2).
  6. Pomme (100') dotée d'une tête de pomme rotative (20) qui est logée de manière à pouvoir tourner dans un boîtier de pomme (10') et qui présente au moins une chambre (21, 22, 23) en liaison avec une ouverture d'amenée (24, 25, 26) sur la périphérie extérieure, laquelle ouverture d'amenée (24, 25, 26) peut être traversée dans le sens radial depuis un élément d'amenée (15) intégré dans le boîtier de pomme (10'),
    caractérisée en ce qu'une unité d'étanchéité sans ressort est réalisée dans le boîtier de pomme (10) sur le passage de l'élément d'amenée (15) à l'ouverture d'amenée (24, 25, 26), laquelle unité comporte une chambre d'étanchéité (13) avec au moins un élément d'étanchéité (11') lié à celle-ci, lequel :
    - présente une lèvre d'étanchéité (11.5') mobile dans le sens d'écoulement et
    - au moins une surface active de pression (11.2') orientée transversalement au sens d'écoulement dans le canal d'écoulement en dehors du diamètre intérieur de son ouverture d'écoulement centrale (11.1').
  7. Pomme (100') selon la revendication 6, caractérisée en ce que l'élément étanche (11') se compose d'un élastomère thermoplastique et est formé sur le boîtier de pomme (10).
  8. Pomme (100 ; 100') selon l'une quelconque des revendications 1 à 7, caractérisée en ce que la chambre d'étanchéité (13) est divisée par rapport à l'élément d'amenée (15) dans le boîtier de pomme (10) par une paroi de séparation (12) avec une ouverture d'amenée (14).
  9. Pomme (100 ; 100') selon au moins l'une quelconque des revendications 1 à 8, caractérisée en ce que l'élément d'amenée est constitué d'un espace creux dans le boîtier de pomme (10).
  10. Pomme (100 ; 100') selon au moins l'une quelconque des revendications 1 à 9, caractérisée en ce que la section transversale de la chambre d'étanchéité (13) et le contour extérieur de l'élément d'étanchéité (11 ; 11') sont réalisés en forme d'ellipse ou de trou oblong.
  11. Pomme (100 ; 100') selon au moins l'une quelconque des revendications 1 à 10, caractérisée en ce que l'ouverture d'écoulement (11.1 ; 11.1') de l'élément d'étanchéité (11 ; 11') ne recouvre que partiellement l'ouverture d'amenée (24, 25, 26) dans au moins une position de la tête de pomme (10 ; 10').
  12. Pomme (100 ; 100') selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que la tête de pomme (20) est divisée en plusieurs chambres (21, 22, 23) qui sont respectivement en liaison avec une ouverture d'amenée (24, 25, 26) sur la périphérie extérieure.
  13. Pomme (100 ; 100') selon la revendication 12, caractérisée en ce que l'ouverture d'écoulement (11.1 ; 11.1') de l'élément d'étanchéité (11 ; 11') recouvre au moins en partie au moins une ouverture d'amenée (24, 25, 26) dans chaque position de la tête de pomme (10 ; 10').
  14. Pomme (100 ; 100') selon la revendication 12 ou 13, caractérisée en ce que l'ouverture d'écoulement (11.1 ; 11.1') de l'élément d'étanchéité (11 ; 11') recouvre au moins partiellement plusieurs ouvertures d'amenée (24, 25, 26) dans au moins une position de la tête de pomme (10 ; 10').
  15. Pomme (100 ; 100') selon au moins l'une quelconque des revendications précédentes, caractérisée en ce que la somme de l'aire de la section d'ouverture dans l'ouverture d'écoulement (11.1) centrale et de la surface active de pression (11.2) dans l'élément d'étanchéité (11) est comprise entre 1,01 fois et 25 fois la surface projetée perpendiculairement au sens d'écoulement de l'ouverture d'amenée (24, 25, 26) dans la tête de pomme (20).
EP10178965A 2009-09-23 2010-09-23 Pomme dotée d'une tête de pomme rotative Not-in-force EP2301668B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL10178965T PL2301668T3 (pl) 2009-09-23 2010-09-23 Prysznic z obrotową głowicą natryskową

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009044928A DE102009044928A1 (de) 2009-09-23 2009-09-23 Brause mit drehbarem Brausekopf

Publications (2)

Publication Number Publication Date
EP2301668A1 EP2301668A1 (fr) 2011-03-30
EP2301668B1 true EP2301668B1 (fr) 2012-03-14

Family

ID=43513737

Family Applications (1)

Application Number Title Priority Date Filing Date
EP10178965A Not-in-force EP2301668B1 (fr) 2009-09-23 2010-09-23 Pomme dotée d'une tête de pomme rotative

Country Status (4)

Country Link
EP (1) EP2301668B1 (fr)
AT (1) ATE549094T1 (fr)
DE (1) DE102009044928A1 (fr)
PL (1) PL2301668T3 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012213518B3 (de) * 2012-08-01 2013-11-21 Hansgrohe Se Brausekopf

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006020765A1 (de) * 2006-05-03 2007-11-08 Hansa Metallwerke Ag Mehrfunktions-Handbrause
DE102007002894B3 (de) * 2007-01-15 2008-09-18 Kludi Gmbh & Co. Kg Handbrause
WO2009079883A1 (fr) * 2007-12-24 2009-07-02 Ateck (Xiamen) Showers Co., Ltd. Dispositif de commutation d'évacuation pour une douche

Also Published As

Publication number Publication date
EP2301668A1 (fr) 2011-03-30
ATE549094T1 (de) 2012-03-15
DE102009044928A1 (de) 2011-04-07
PL2301668T3 (pl) 2012-08-31

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