DK173688B1

DK173688B1 - Hand-held shower head for domestic sink - has tubular handle connected to water supply via flexible piping, spray head axially and slidably mounted on stem to create seal

Info

Publication number: DK173688B1
Application number: DK199001252A
Authority: DK
Inventors: Alfons Knapp
Original assignee: Masco Corp
Priority date: 1988-07-22
Filing date: 1990-05-21
Publication date: 2001-06-25
Also published as: IT8867692A0; DK125290A; DK125290D0; IT1223711B

Abstract

The small hand held shower has a tubular shaft (1) constructed to be connected to a pressurised water supply and supplied through a flexible pipe. A shower head (5) is mounted at the distal end of the piping. A valve (19) is mounted which is normally closed to the flow of water and is manually actuated to an open position when water is required. The shower head is slidably mounted and sealed on the shaft and is connected through an internal stem (8) to a valve (9) which cooperates with a valve seat. The valve seat is located on the shaft between the valve head and the flow head.

Description

DK 173688 B1DK 173688 B1

Den foreliggende opfindelse angår en håndbetjent bruser af den i krav l's indledning angivne art.The present invention relates to a hand operated shower of the kind set forth in claim 1.

Små bruserhoveder til vaske i beboelser, og som normalt kaldes grøntsagssprøjter, har et rørformet skaft, som er forbundet med vandforsyningen via fleksible rør, og som er 5 afsluttet i et jetstrøms- eller luftsprøjteboved. En ventil, som er betjeningsbart monteret i det rørformede skaft, er normalt lukket for vandstrømmen, men kan åbnes ved aktivering. Ventilen forbliver kun åben, så længe som ventilen er aktiveret, og den lukker automatisk, når den ikke mere aktiveres. Når ventilen er åben, udsendes vandstråler fra bruserhovedet. Et bruserhoved af denne type kan være direkte forbundet med vandforsy-10 ningen, men er normalt forbundet med en blandehane, som har en omskifterventil monteret deri, og som både føder bruserhovedet og hanens tud. Omskifteren er en indretning, som normalt er monteret i en hane, og som er fremstillet på en sådan måde, at den normalt leverer vand til tuden, når bruserhovedventilen er aflukket, men forsyner bruser-hovedet, når bruserhovedventilen er aktiveret. Med dette arrangement strømmer vandet 15 normalt gennem tuden, mon så snart brugeren aktiverer bruserhovedets ventil, strømmer vand gennem bruserhovedet dertil og undviger tuden.Small shower heads for washbasins in dwellings, usually called vegetable syringes, have a tubular shaft which is connected to the water supply via flexible pipes and which is completed in a jet stream or air spray head. A valve operably mounted in the tubular shaft is normally closed to the water flow but can be opened by actuation. The valve only remains open as long as the valve is activated and it closes automatically when it is no longer activated. When the valve is open, water jets are emitted from the shower head. A shower head of this type may be directly connected to the water supply, but is usually connected to a mixing tap which has a switch valve mounted therein and which feeds both the shower head and the spout. The switch is a device which is normally mounted in a tap and is constructed in such a way that it normally supplies water to the spout when the shower head valve is closed, but supplies the shower head when the shower head valve is activated. With this arrangement, water 15 normally flows through the spout, as soon as the user activates the shower head valve, water flows through the shower head thereto and avoids the spout.

Blandt de kendte udformninger bliver den indre ventil, som er på det lille bruserhoveds rørformede skaft aktiveret ved hjælp af en aktiveringsarm, som aktiveres manuelt. Brugen af en aktiveringsarm minimerer kræfterne, som er nødvendige for at aktivere 20 ventilen. Når der udøves tryk mod armen, åbnes ventilen, hvilket tillader at vandet kan strømme til bruserhovedet. Et bruserhoved af denne type kræver ikke noget stort tryk og aktiveringen af dets ventil kræver kun en høj kraft, hvis leveringstrykket ligger på et usædvanligt højt niveau. Kraften, der kræves, er minimal, når leveringstrykket er begrænset f.eks. når bruserhovedet fødes via en omskifterventil. På den anden side kræver 25 brugen af et annreguleret aktivermgssystem en væsentlig kompliceret konstruktion, og derfor er fremstillings- og monleringsudgifteme høje og problemer kan optræde relativt nemt.Among the known embodiments, the inner valve which is on the tubular shaft of the small shower head is actuated by an actuating arm which is manually actuated. The use of an actuating arm minimizes the forces needed to activate the valve. When pressure is applied to the arm, the valve opens, allowing the water to flow to the shower head. A shower head of this type does not require a high pressure and the activation of its valve requires a high force only if the delivery pressure is at an exceptionally high level. The force required is minimal when the supply pressure is limited e.g. when the shower head is fed via a switch valve. On the other hand, the use of an unregulated activation system requires a considerably complicated design, and therefore the manufacturing and assembly costs are high and problems can occur relatively easily.

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Fra FR 2.536.774 kendes en bruser af den indledningsvis angivne art. der omfatter et rørformet skaft, der i sin ene ende er forbundet med en fleksibel vandforsyningssLmge og i den modsatte ende er påsat et bruserhoved. I skaftet er indsat en normal sædeventil i skaftets aksiale retning. Ventilen åbnes ved at sammentrykke skaftet, der fungerer som 5 håndtag.From FR 2,536,774, a shower of the kind mentioned above is known. comprising a tubular shaft connected at one end to a flexible water supply tube and at the opposite end a shower head. A normal seat valve is inserted in the shaft in the axial direction of the shaft. The valve is opened by compressing the shaft, which acts as 5 handles.

Opfindelsen har til formål at tilvejebringe en bruser af den omhandlede art, som er særlig simpelt og derfor resulterer i lave udgifter og bekymringsfri vedligeholdelse.The invention has for its object to provide a shower of the kind in question which is particularly simple and therefore results in low costs and worry-free maintenance.

Dette formål opnås ifølge opfindelsen ved, at den indledningsvis angivne bruser er udformet som angivet i krav 1 fs kendetegnende del.This object is achieved in accordance with the invention in that the shower initially indicated is designed as defined in claim 1 fs.

10 Strømmen gennem den lille håndbetjente bruser er normalt blokeret, fordi ventilelementet skubbes af vandforsyningstrykket for at tilvejebringe en tætning på ventilsædet og dermed lukker for vandet. Det er tilstrækkeligt manuelt at påføre tryk mod bruserhovedet, således at det bevæger ventilelementet modstrøms væk fra ventilsædet og derved tillader vandet at strømme forbi ventilsædet omkring stammen og gennem det lille 15 håndbetjente bruserhoved. På denne måde bliver udformningen af den håndbetjente braser ekstremt simplificeret, hvilket muliggør den fuldstændige udeladelse af aktive-ringsanne. Muligheden for at funktionsmæssige problemer vil opstå er endvidere praktisk taget elimineret. Virkemåden af den lille håndbetjente bruser bliver ekstremt simpel, fordi det kun kræves, at brugeren udøver et tryk på bruserhovedet med en finger på 20 hånden som holder om bruserhovedet. På denne måde kan der tilvejebringes tilstrækkeligt tryk ved brag af kun en finger, så længe fødetrykket på bruseren er begrænset. Den egenskab opnås også når bruseren er forbundet direkte med en lavtryks vandkanal og især også altid, når bruseren fødes (også når det fødes fra en vandkanal med hævet tryk) via en køkkenomskifterventil, fordi trykket, som påføres bruseren, i dette tilfælde aldrig er 25 større end det forud etablerede modtryk.10 The flow through the small hand-operated shower is normally blocked because the valve member is pushed by the water supply pressure to provide a seal on the valve seat, thus closing the water. It is sufficient to manually apply pressure to the shower head so that it moves the valve member countercurrent away from the valve seat, thereby allowing the water to flow past the valve seat around the stem and through the small hand operated shower head. In this way, the design of the hand-operated brazier is extremely simplified, enabling the complete omission of the activation truth. Furthermore, the possibility that functional problems will arise is practically eliminated. The operation of the small hand-operated shower becomes extremely simple because it is only required that the user exert pressure on the shower head with a finger of the 20 hand holding the shower head. In this way sufficient pressure can be provided at the touch of only one finger, as long as the feed pressure of the shower is limited. That property is also achieved when the shower is directly connected to a low pressure water channel and especially always when the shower is fed (even when it is fed from a raised pressure water channel) via a kitchen switch valve, because in this case the pressure applied to the shower is never 25 greater than the pre-established backpressure.

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Bruserens ventil skubbes mod den lukkede eller afbrudte stilling af forsyningstrykket, men fortrinsvis er en eftergivelig del f.eks. en 5eder anbragt mellem det rørformede skaft og bruseren, således at bruseren forskydes og forspændes imod den lukkede eller afbrudte stilling.The shower valve is pushed to the closed or disconnected position of the supply pressure, but preferably a resilient portion e.g. a spring is disposed between the tubular shaft and the shower so that the shower is displaced and biased against the closed or disconnected position.

5 Opfindelsen forklares nedenfor under henvisning til tegningen, hvor fig. 1 viser et aksialt tværsnit gennem en håndbetjenet bruser ifølge opfindelsen i lukket stilling, fig. 2 et detaljeret sprængbillede af ventilelementet, tætningen og stammen, fig. 3 et tværsnit langs linien m-JH i fig. 1, og 10 fig. 4 det samme som i fig. 1, men med bruseren i åben stilling.The invention is explained below with reference to the drawing, in which fig. 1 shows an axial cross section through a hand operated shower according to the invention in a closed position; FIG. 2 is a detailed exploded view of the valve member, seal and stem; FIG. 3 is a cross section along the line m-JH of FIG. 1 and 10 in FIG. 4 the same as in FIG. 1, but with the shower in the open position.

Den lille håndbetjente bruser har et rørformet skaft eller håndtag 1, som er udformet, så det kan forbindes med fleksible rør (ikke vist), som er forbundet med en vandforsyning. Det rørformede skaft 1 er fortrinsvis forbundet via det fleksible rør med en blande-hane med en omskifterventil deri. Dette rørformede skaft 1 har en integreret formet 15 skulder 2, hvis modstrømsende danner et ventilsæde. Skaftet 1 har også nogle styrefinner 3 modstrøms i forhold til ventilsædet. Det rørformede skaft 1 har et ydre sæde til at modtage en ringformet tætningspakning 4. Et bruserhoved 5 er monteret, så det kan glide aksialt, og det har en begrænset drejning på det rørformede skaft 1. Bruserhovedet 5 og skaftet 1 er tætnet ved hjælp af pakningen 4. Bruserhovedet 5 kan f.eks. være i 20 hovedsagen kugleformet bortset fra en indskæring 6 ved den bort fra skaftet vente ende, hvorved brugeren manuelt kan presse en finger eller en tommelfinger for at udøve et tryk, som aktiverer bruserhovedet. Bruserhovedet 5 har et sprøjteudløb 7.The small hand-operated shower has a tubular shaft or handle 1 which is designed to be connected to flexible tubes (not shown) connected to a water supply. The tubular shaft 1 is preferably connected via the flexible tube with a mixing tap with a switch valve therein. This tubular shaft 1 has an integral shaped shoulder 2 whose countercurrent end forms a valve seat. The shaft 1 also has some guide fins 3 countercurrent to the valve seat. The tubular shaft 1 has an outer seat for receiving an annular sealing gasket 4. A shower head 5 is mounted so that it can slide axially and has a limited rotation on the tubular shaft 1. The shower head 5 and the shaft 1 are sealed by means of the gasket 4. The shower head 5 may e.g. be generally spherical except for a notch 6 at the end away from the shaft, whereby the user can manually squeeze a finger or thumb to exert a pressure activating the shower head. The shower head 5 has a syringe outlet 7.

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Den ene ende af en stamme 8 er med gevind forbundet med bruserhovedet 5. Stammen 8 passerer gennem skulderens 2 ventilsæde inden i det rørformede skaft 1. Ved den anden ende af stammen 8 er et ventilelement 9 med gevind forbundet dertil som vist detaljeret i fig. 2. Ventilelementet 9 har en reces 10, som optager en pakning 11 indrettet til 5 at samvirke med skulderens 2 ventilsæde. En trykfjeder 12 er indskudt mellem bruser-hovedet 5 og den rørformede stammes 1 skulder 2 og forspænder bruserhovedet imod den i fig. 1 viste stilling, hvori ventilelementet 9 er forspændt med dens pakning 11 imod skulderens 2 ventilsæde, således at vandstrømmen afbrydes.One end of a stem 8 is threadedly connected to the shower head 5. The stem 8 passes through the valve seat of the shoulder 2 within the tubular shaft 1. At the other end of the stem 8, a valve member 9 with thread is connected thereto as shown in detail in FIG. 2. The valve member 9 has a recess 10 which receives a gasket 11 arranged to cooperate with the valve seat of the shoulder 2. A compression spring 12 is inserted between the shower head 5 and the shoulder 2 of the tubular stem 1 and bias the shower head against that of FIG. 1 in which the valve member 9 is biased with its gasket 11 against the valve seat of the shoulder 2 so that the flow of water is interrupted.

Hvis brugeren med en finger på hånden, som holder bmserhovedet, udøver tryk på 10 bmserhovedet 5 via indskæringen 6 i pilens F retning i fig. 4, kan bruserhovedet 5 derved glide på det rørformede skaft 1 imod flederens 12 forspænding og det hydrauliske tryk, som virker på ventilelementet 9. Derved bevæges pakningen 11 væk fra skulderens 2 ventilsæde, således at vandet strømmer igennem bruserhovedet 5 til sprøjteudløbet 7.If the user with a finger on the hand holding the puffer head exerts pressure on the puffer head 5 via the notch 6 in the direction of the arrow F in FIG. 4, the shower head 5 can thereby slide on the tubular shaft 1 against the bias of the flanges 12 and the hydraulic pressure acting on the valve member 9. This causes the gasket 11 to move away from the valve seat of the shoulder 2 so that the water flows through the shower head 5 to the syringe outlet 7.

Så snart brugeren holder op med at udøve tryk i retning af pilen F, vil den kombinerede 15 forspænding af flederen 12 og det hydrauliske tryk på ventilelementet 9 tilsammen forskyde bruserhovedet 5 og ventilelementet 9 i den modsatte retning af pilen F. Dette medfører også, at pakningen 11 trykkes imod skulderens 2 ventilsæde og derved stopper strømmen gennem bruserhovedet. I tilfældet, hvor virkningen af vandforsynings-trykket på ventilelementet 9 er tilstrækkeligt til at medføre lukning, kan flederen 12 ude-20 lades.As soon as the user stops applying pressure in the direction of the arrow F, the combined biasing of the spring 12 and the hydraulic pressure on the valve member 9 together offset the shower head 5 and the valve member 9 in the opposite direction of the arrow F. This also causes the the gasket 11 is pressed against the valve seat of the shoulder 2 thereby stopping the flow through the shower head. In the case where the effect of the water supply pressure on the valve member 9 is sufficient to cause closure, the vane 12 may be omitted.

Hvis der ønskes en udsprøjtning, som kan være vedvarende, uden at en tommelfinger eller finger konstant skal trykke imod bmserhovedet 5, kan en valgfri bajonetåbning 13 være anbragt i den ene ende af skaftet 1 og en valgfri fast stift 14 på bruserhovedet 5 kan strække sig ind i bajonetåbningen 13. En simpel drejning af bruserhovedet 5 i den 25 trykbelastede stilling kan låse bruseren i den i fig. 1 viste åbne stilling.If a spray which is persistent without a thumb or finger constantly having to press against the pusher head 5 is desired, an optional bayonet opening 13 may be located at one end of the shaft 1 and an optional fixed pin 14 on the shower head 5 may extend. into the bayonet opening 13. A simple rotation of the shower head 5 in the 25 pressure-loaded position may lock the shower in the embodiment shown in FIG. 1.

Ventilelementet 9 løser et problem ved montering af tætningspakningen 11 på den. Fremstillingen af det korrekte sæde for denne pakning 11 vil være noget vanskelig, hvis DK 173688 B1 5 ventilelementet 9 og stammen 8 kun var i ét stykke. Påvirkningen fra vandforsynings-trykket vil endvidere forsøge at separere pakningen 11 fra ventilelementet 9, hvis pakningsventilen ikke var korrekt stabiliseret. For at gøre det nemmere at fremstille og muliggøre en virkemåde med definitiv stabilisering kræver opfindelsen, at ventilelemen- - Λ 5 tet 9 er en separat del fra stammen 8. Ventilelementet 9 har et underskåret sæde 10.The valve member 9 solves a problem when mounting the seal gasket 11 on it. The preparation of the correct seat for this gasket 11 would be somewhat difficult if the valve member 9 and the stem 8 were only in one piece. Furthermore, the influence of the water supply pressure will try to separate the gasket 11 from the valve element 9 if the gasket valve was not properly stabilized. In order to make it easier to manufacture and enable a method of definitive stabilization, the invention requires that the valve member 9 is a separate part from the stem 8. The valve member 9 has an undercut seat 10.

Ifølge opfindelsen kræves det også at sædet 10, tætningspakningen 11 og stammen 8 bar givne dimensioner på en sådan måde, at pakningen 11 nemt kan indsættes i det under-skåme sæde 10, mens ventilelementet 9 er separeret fra stammen 8. Indsætningen af stammen 8 i pakningen 11 hindrer endvidere den uønskede passage af pakningen 11 ud 10 fra det underskåme sæde 10. Forbindelsen mellem stammen 8 og ventilelementet 9 kan på fordelagtig måde udføres ved at de skrues sammen. På denne måde kan der opnås en effektiv samling af pakningen 11 med ventilelementet 9, hvilket gør operationen med montering og eventuelt demontering af parterne meget nemmere.According to the invention, it is also required that the seat 10, the sealing gasket 11 and the stem 8 carry given dimensions in such a way that the gasket 11 can be easily inserted into the sub-seat seat 10, while the valve element 9 is separated from the stem 8. The insertion of the stem 8 in the gasket 11 further prevents the unwanted passage of the gasket 11 out 10 from the lower seat 10. The connection between the stem 8 and the valve member 9 can advantageously be made by screwing them together. In this way, an effective assembly of the gasket 11 with the valve element 9 can be achieved, which makes the operation of mounting and possibly disassembling the parts much easier.

Som det skal forstås kan trykket i overensstemmelse med pilen F tilvejebringes med en 15 finger af brugeren. Dette tryk er ikke særlig stort og vil derfor ikke være tilstrækkeligt til at overvinde kraftig hævede hydrauliske tryk, som udøves mod ventilelementet 9.As should be understood, the pressure in accordance with arrow F can be provided with a finger of the user. This pressure is not very large and will therefore not be sufficient to overcome the high raised hydraulic pressure exerted on the valve member 9.

Ifølge opfindelsen er bruserhovedet 5 indrettet til forsyning med lavt tryk, som altid kan tilvejebringes også når den indkomne vandkanal har højt tryk, men hvor en blandehane er forsynet med en omskifterventil.According to the invention, the shower head 5 is arranged for a low pressure supply, which can always be provided even when the incoming water channel is at high pressure, but where a mixing tap is provided with a switch valve.

20 Der kan foretages mange ændringer, uden at man derved afviger fra selve opfindelsens idé.Many changes can be made without departing from the idea of the invention itself.

Claims

A small hand-operated shower for washbasins in the housing, comprising a tubular shaft (1) designed to be connected at one end to a water supply under pressure 5 via flexible pipes, a shower head (5) mounted at its opposite end, a mounted in the tubular shaft (1), which is normally closed to the flow of water, which is now actuated to an open position and is designed to automatically close by itself when the actuation forces are removed, characterized in that the shower head (5) is slidably mounted and sealed to the tubular shaft (1) and is connected via an inner stem 10 (8) to a valve member (9) which cooperates with a valve seat and the valve seat is disposed on the tubular shaft (1) between the valve member and the shower head (5), and the shower head (5) is substantially spherical and has a cut-out (6) at its end facing away from the shaft (1) so that it can be actuated by a finger of the user. hand holding shower one.

The shower according to claim 1, characterized in that it comprises a resilient part (12) which binds the shower head (5) to a closing position.

Shower according to claim 2, characterized in that the resilient part is a magic bed (12) arranged between the shower head (5) and the valve seat, and the valve seat; t is formed with an inner shoulder (12) in it. tubular shaft (1).

Shower according to claim 1, characterized in that the valve element (9) can be assembled prior to insertion into the shower head (5) with a connecting stem (8) connecting it to the shower head (5), that the valve element (9) has an undercut seat ( 10) for holding a sealing gasket (11) and the lower seat (10), the sealing gasket (11) and the connecting stem (8) are dimensioned such that the sealing gasket (11) can be inserted into the lower seat (10) while the valve member (5) is separated from the connecting stem (8).