EP0694655B1 - Security device for sanitary equipments - Google Patents

Security device for sanitary equipments Download PDF

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Publication number
EP0694655B1
EP0694655B1 EP95110062A EP95110062A EP0694655B1 EP 0694655 B1 EP0694655 B1 EP 0694655B1 EP 95110062 A EP95110062 A EP 95110062A EP 95110062 A EP95110062 A EP 95110062A EP 0694655 B1 EP0694655 B1 EP 0694655B1
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EP
European Patent Office
Prior art keywords
water
temperature
shower
safety device
safety
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.)
Expired - Lifetime
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EP95110062A
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German (de)
French (fr)
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EP0694655A1 (en
Inventor
Werner Heinzelmann
Werner Lorch
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Hansgrohe SE
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Hansgrohe SE
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Publication of EP0694655A1 publication Critical patent/EP0694655A1/en
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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
    • 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
    • E03C1/021—Devices for positioning or connecting of water supply lines
    • E03C1/023—Devices for positioning or connecting of water supply lines with flow distribution, e.g. diverters
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C2201/00—Details, devices or methods not otherwise provided for
    • E03C2201/30—Diverter valves in faucets or taps
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/877—With flow control means for branched passages
    • Y10T137/87788—With valve or movable deflector at junction

Definitions

  • the invention relates to a safety device for sanitary installations.
  • sanitary facilities for example a mixing valve with a bath spout and a shower can be understood.
  • a pure shower device with one or more showers are understood.
  • the invention has for its object a safety device to create sanitary facilities that are simple is constructed and manages with little additional effort.
  • the invention proposes a safety device with the features of claim 1. Developments of the invention are the subject of the dependent claims.
  • the changeover element thus serves when a critical temperature to turn off the water outlet. In order to there is a risk of injury to the user removed hot water.
  • the changeover element is therefore part of the sanitary fitting, For example, a changeover element that is between a shower outlet and switches a tub outlet.
  • a changeover element which is a changeover valve is formed by a temperature sensitive element mechanically loaded. This is the sanitary facility easy to set up.
  • the changeover element is of course only in the mentioned switched one position if it was previously in the other Position. In the following, this position is intended as a safety position be designated.
  • the one assigned to the safety position of the changeover element Water flow can lead to any facility that assumes a safety function.
  • the security position assigned water supply leads to a water outlet that less or no risk for a user represents.
  • the temperature element is designed such that the changeover of the changeover element suddenly at the limit temperature is effected. This eliminates the disadvantage of State of the art avoided, namely with slowly increasing Temperature of the flow cross section, for example shower device is gradually reduced.
  • the invention proposes as a possibility that Changeover element after changeover, even if it drops again Temperature remains in the safety position. Then it must be in in this case by hand or by another device if the original position to be taken again.
  • the changeover element manually to switch between the two water channels in is operable in at least one direction.
  • the changeover element can be one act so-called automatic shower diverter.
  • This shower diverters are placed in the shower outlet by hand assigned position and remain in this position then as long as the water flows. You will namely in this position held by the water pressure.
  • the shower diverter is spring-loaded into the bath spout assigned position pushed back.
  • Invention now particularly useful and simple, because the Then temperature sensors only act on the shower diverter needs and only move it by a small amount got to. It opens even with a small shift Tub outlet, and the water pressure does not hold the diverter more in its shower position, so that the diverter then already from the spring into the one corresponding to the bath spout Position is brought.
  • the bathtub spout is a smaller one Danger to the user than the shower.
  • the safety position assigned water flow to a bath spout leads, for example a bathtub spout or a shower tray spout, which can be arranged in the foot area can.
  • the user can first on one Thermostat set the temperature of the shower water and with check the foot until it finds the right temperature and then actuated the shower diverter to take a shower.
  • the water supply assigned to the safety position directly the tub drain, both in a bathtub and with a shower tray. In this case, the user can do not come into contact with water that is too hot.
  • the Changeover element in the starting position when the temperature drops again is deferred. This is especially so an advantage if the one assigned to the safety position Water flow leads to an unusable water outlet.
  • the temperature sensitive Element has a bimetal, in particular one Bimetal spring. Especially when the changeover element is built like a shower changer, a Bimetal element is sufficient when the limit temperature is reached the changeover of the diverter only to be triggered by the existing spring or because of the no longer unilateral water pressure completely changes the valve.
  • temperature sensitive element can be, for example Wax element can be used.
  • the invention also proposes to be temperature sensitive Element an element made of a so-called memory alloy to use, for example a spring.
  • This material which is called Shape Memory Alloy (SMA) has the Property, in a very narrow temperature range perform sudden movement, so here too the effect the gradual closing of an opening is avoided.
  • SMA Shape Memory Alloy
  • the only drawing figure shows a partial section through a fitting housing with one inserted therein automatic shower diverter.
  • the drawing shows a horizontal part 1 a sanitary fitting, into which a mixing valve incoming water enters through a channel 2 and out of it right through a first water supply 3, for example a tub spout and through a second water supply 4 can reach a shower outlet.
  • a first water supply 3 for example a tub spout and through a second water supply 4 can reach a shower outlet.
  • the shower diverter 6 inquires the top of the sanitary fitting out of this and points there an operating handle 7.
  • the left half of the shower diverter is drawn in a position in which the to the shower connection 8 leading water supply 4 with water is supplied while the right half of the shower changer 7 shows the position in which the to a tub spout leading water supply 3 is supplied with water.
  • the shower diverter 6 contains a movable Valve rod 9 on which to switch between the two water channels 3, 4 a valve closure body 10 is attached, which has a circumferential seal 11.
  • a valve closure body 10 in the middle part of the shower diverter 6 is an opening in the partition wall 5 filling transverse wall 12 with a central Opening formed. The edge area of this opening at the The underside of the transverse wall 12 forms one with the seal 11 interacting valve seat.
  • valve closure body 10 extends around the Valve rod 9 around a helical compression spring 13 which the shower diverter 6 in a position in which the shower outlet is closed because the valve closure body 10 with the seal 11 on the formed on the shower outlet 8 Valve seat is seated.
  • valve rod 9 At the lower end of the valve rod 9 is one with openings 14 provided disc 15 attached.
  • the disc is downstream the valve seat in the shower connection 8.
  • a second helical compression spring 17th Between a downstream the valve seat for the shower port 8 located shoulder 16 and the disc 15 is a second helical compression spring 17th arranged.
  • This helical compression spring 17 forms a temperature sensitive element because it consists of SMA, i.e. a memory alloy. Likewise a bi-metal element, a wax element or the like is possible
  • the shower diverter 6 is from below in the openings of the Fitting housing used and from above with the help of a Union nut 18 set. They are used for sealing different O-rings.
  • At the lower end of the shower connector 8 can be there existing external thread 19 a shower hose or a further line can be connected.
  • the operation of the arrangement shown in the figure is the following.
  • the shower outlet 8 is supplied with water when it is open Mixing valve of the shower diverter 6 by pulling the operating handle 7 moved up.
  • the water pressure acts on the Underside of the closure body 10 and holds the diverter against the action of the helical compression spring 13 in this Position firmly.
  • the water flows to the shower outlet 8.
  • the temperature-sensitive helical compression spring 17 is dimensioned that in a tolerable for a user Temperature of the shower water no spring force is generated.
  • the compression spring 17 made of SMA also replaced by a compression spring made of bimetal be provided that care is taken that the increase in temperature caused expansion of the bimetal only at the Limit temperature for a displacement of the valve rod 9 leads.
  • This can be achieved, for example, in that the bimetal helical compression spring in the left in the figure shown condition a smaller axial extent has, that is not yet against the shoulder 16.
  • a shower diverter shown as part of a sanitary fitting between a Bath outlet and a shower outlet switches.

Landscapes

  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Temperature-Responsive Valves (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Multiple-Way Valves (AREA)
  • Bidet-Like Cleaning Device And Other Flush Toilet Accessories (AREA)
  • Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
  • Domestic Plumbing Installations (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Control For Baths (AREA)

Abstract

The fitting housing (1) has at least one water duct (3, 4) to a water outlet and a switching element (6) with two positions for water duct opening or stopping. The switching element is affected by a temp. sensitive element (17) responsive to a preset limit temp. for the switching element actuation. Pref. one water duct (4) leads to a second water outlet, with switching element affecting both ducts. The water duct (3) allocated to the safety position of the switching element, leads to a water outlet with a smaller delivery potential. The temp. responsive element may have a snap action. <IMAGE>

Description

Die Erfindung betrifft eine Sicherheitseinrichtung für sanitäre Einrichtungen. Unter sanitärer Einrichtung soll beispielsweise ein Mischventil mit einem Wannenauslauf und einer Brause verstanden werden. Unter dem Begriff soll ebenfalls eine reine Brauseeinrichtung mit einer oder mehreren Brausen verstanden werden.The invention relates to a safety device for sanitary installations. Under sanitary facilities for example a mixing valve with a bath spout and a shower can be understood. Under the term should also a pure shower device with one or more Showers are understood.

Es ist bereits ein Mischventil für einen Wannenauslauf und eine Brause bekannt, bei dem zusätzlich zu dem Mischventil und dem Brauseumsteller ein Sicherheitsventil mit einem Thermostaten eingebaut ist, das bei Erreichen einer bestimmten Temperatur den Brauseabgang verschließt und bei Unterschreiten wieder einschaltet. Dieses Mischventil benötigt also ein zusätzliches Ventil. Wenn sich die Temperatur des Duschwassers dem kritischen Wert nähert, drosselt der Thermostat den Brauseabgang allmählich, so daß bei längerem Duschen mit einer Temperatur unmittelbar unterhalb des kritischen Werts nur sehr wenig Wasser zum Brausen abgegeben werden kann.It is already a mixing valve for a bath spout and a shower known, in addition to the mixing valve and the shower diverter a safety valve with a Thermostat is built in when a certain one is reached Temperature closes the shower outlet and when the temperature falls below switches on again. This mixing valve is required so an additional valve. If the temperature of the Shower water approaches the critical value, the thermostat throttles the shower outlet gradually, so that after a long shower with a temperature just below the critical Very little water should be released for showering can.

Es ist bereits eine Sicherheitseinrichtung mit den Merkmalen des ersten Teils des Anspruchs 1 bekannt (US-A-4 854 499). Diese Sicherheitseinrichtung muß als zusätzliches Element in eine zu einem Brausekopf führende Leitung eingesetzt werden. Das Gerät enthält zwei Bimetallscheiben, die bei Erreichen einer bestimmten Grenztemperatur umschnappen und dadurch die zu dem Brausekopf führende Leitung verschließen und das Wasser an eine andere Stelle ableiten. Sobald die Temperatur des Wassers wieder unter die Grenztemperatur abfällt, springen sie Bimetallscheiben zurück und leiten das Wasser wieder zu dem Brausekopf.It is already a safety device with the features of the first part of claim 1 (US-A-4 854 499). This safety device must be an additional element in a line leading to a shower head can be used. The device contains two bimetallic disks that reach when reached snap a certain limit temperature and thereby the Close the line leading to the shower head and that Drain water to another location. As soon as the temperature the water drops below the limit temperature again, jump they bimetallic discs back and direct the water again to the shower head.

Weiterhin bekannt ist ein Brausekopf (US-PS 4210284), bei dem ein eingebauter Thermostat bei Erreichen einer kritischen Temperatur einen Strömungsquerschnitt zuerst drosselt und dann schließt.Also known is a shower head (US-PS 4210284) in which a built-in thermostat when a critical one is reached Temperature throttles a flow cross section first then closes.

Der Erfindung liegt die Aufgabe zugrunde, eine Sicherheitseinrichtung für sanitäre Anlagen zu schaffen, die einfach aufgebaut ist und mit geringem zusätzlichem Aufwand auskommt.The invention has for its object a safety device to create sanitary facilities that are simple is constructed and manages with little additional effort.

Zur Lösung dieser Aufgabe schlägt die Erfindung eine Sicherheitseinrichtung mit dem Merkmalen des Anspruchs 1 vor. Weiterbildungen der Erfindung sind Gegenstand der Unteransprüche.To achieve this object, the invention proposes a safety device with the features of claim 1. Developments of the invention are the subject of the dependent claims.

Das Umstellelement dient also dazu, bei Erreichen einer kritischen Temperatur den Wasserauslauf abzuschalten. Damit wird die Gefahr einer Verletzung des Benutzers durch zu heißes Wasser beseitigt. The changeover element thus serves when a critical temperature to turn off the water outlet. In order to there is a risk of injury to the user removed hot water.

Das Umstellelement ist also ein Teil der Sanitärarmatur, beispielsweise ein Umstellelement, das zwischen einem Brauseabgang und einem Wannenabgang umschaltet. In diesem Fall wird im Gegensatz zu dem eingangs genannten Stand der Technik also kein zusätzliches Ventil in die sanitäre Einrichtung eingebaut, sondern ein Umstellelement, das ein Umstellventil bildet, wird von einem temperaturempfindlichen Element mechanisch beaufschlagt. Dadurch ist die sanitäre Einrichtung einfach im Aufbau.The changeover element is therefore part of the sanitary fitting, For example, a changeover element that is between a shower outlet and switches a tub outlet. In this case in contrast to the prior art mentioned at the outset no additional valve installed in the sanitary facility, but a changeover element, which is a changeover valve is formed by a temperature sensitive element mechanically loaded. This is the sanitary facility easy to set up.

Das Umstellelement wird natürlich nur dann in die erwähnte eine Stellung umgestellt, wenn es vorher in der anderen Stellung war. Diese Stellung soll im folgenden als Sicherheitsstellung bezeichnet werden.The changeover element is of course only in the mentioned switched one position if it was previously in the other Position. In the following, this position is intended as a safety position be designated.

Die der Sicherheitsstellung des Umstellelements zugeordnete Wasserführung kann zu irgendeiner Einrichtung führen, die eine Sicherheitsfunktion übernimmt.The one assigned to the safety position of the changeover element Water flow can lead to any facility that assumes a safety function.

Insbesondere ist vorgesehen, daß die der Sicherheitsstellung zugeordnete Wasserführung zu einem Wasserauslauf führt, der für einen Benutzer eine geringere oder gar keine Gefährdung darstellt.In particular, it is provided that the security position assigned water supply leads to a water outlet that less or no risk for a user represents.

Erfindungsgemäß kann in Weiterbildung vorgesehen sein, daß das Temperaturelement derart ausgebildet ist, daß die Umstellung des Umstellelements bei der Grenztemperatur sprungartig bewirkt wird. Damit wird der eingangs erwähnte Nachteil des Stands der Technik vermieden, daß nämlich bei langsam ansteigender Temperatur der Strömungsquerschnitt beispielsweise der Brauseeinrichtung allmählich verringert wird.According to the invention it can be provided in a further development that the temperature element is designed such that the changeover of the changeover element suddenly at the limit temperature is effected. This eliminates the disadvantage of State of the art avoided, namely with slowly increasing Temperature of the flow cross section, for example Shower device is gradually reduced.

Die Erfindung schlägt als eine Möglichkeit vor, daß das Umstellelement nach Umstellung auch bei wieder sinkender Temperatur in der Sicherheitsstellung bleibt. Es muß dann in diesem Fall von Hand oder durch eine andere Einrichtung wieder umgestellt werden, falls die ursprüngliche Stellung wieder eingenommen werden soll.The invention proposes as a possibility that Changeover element after changeover, even if it drops again Temperature remains in the safety position. Then it must be in in this case by hand or by another device if the original position to be taken again.

Erfindungsgemäß kann vorgesehen sein, daß das Umstellelement manuell zum Umschalten zwischen den beiden Wasserführungen in mindestens einer Richtung betätigbar ist.According to the invention it can be provided that the changeover element manually to switch between the two water channels in is operable in at least one direction.

Beispielsweise kann es sich bei dem Umstellelement um einen sogenannten automatischen Brauseumsteller handeln. Diese Brauseumsteller werden von Hand in eine dem Brauseabgang zugeordnete Stellung gebracht und bleiben in dieser Stellung dann so lange, wie das Wasser fließt. Sie werden nämlich in dieser Stellung durch den Wasserdruck gehalten. Sobald das Mischventil geschlossen wird und der Wasserdruck abfällt, wird der Brauseumsteller durch eine Feder in eine dem Wannenauslauf zugeordnete Stellung zurückgedrückt. Hier wirkt die Erfindung nun ganz besonders sinnvoll und einfach, da der Temperaturfühler dann nur auf den Brauseumsteller einzuwirken braucht und diesen auch nur um einen kleinen Betrag verschieben muß. Schon bei kleiner Verschiebung öffnet sich der Wannenabgang, und der Wasserdruck hält den Umsteller nicht mehr in seiner Brausestellung, so daß der Umsteller dann schon von der Feder in die dem Wannenauslauf entsprechende Stellung gebracht wird. Der Wannenauslauf stellt eine geringere Gefährdung für den Benutzer dar als die Brause. For example, the changeover element can be one act so-called automatic shower diverter. This Shower diverters are placed in the shower outlet by hand assigned position and remain in this position then as long as the water flows. You will namely in this position held by the water pressure. As soon as that The mixing valve is closed and the water pressure drops, the shower diverter is spring-loaded into the bath spout assigned position pushed back. Here it works Invention now particularly useful and simple, because the Then temperature sensors only act on the shower diverter needs and only move it by a small amount got to. It opens even with a small shift Tub outlet, and the water pressure does not hold the diverter more in its shower position, so that the diverter then already from the spring into the one corresponding to the bath spout Position is brought. The bathtub spout is a smaller one Danger to the user than the shower.

Erfindungsgemäß kann vorgesehen sein, daß die der Sicherheitsstellung zugeordnete Wasserführung zu einem Wannenauslauf führt, beispielsweise einem Badewannenauslauf oder auch einem Duschwannenauslauf, der im Fußbereich angeordnet sein kann. In diesem Fall kann der Benutzer zunächst an einem Thermostat die Temperatur des Duschwassers einstellen und mit dem Fuß überprüfen, bis er die richtige Temperatur gefunden hat und dann den Brauseumsteller betätigt, um sich zu duschen.According to the invention it can be provided that the safety position assigned water flow to a bath spout leads, for example a bathtub spout or a shower tray spout, which can be arranged in the foot area can. In this case, the user can first on one Thermostat set the temperature of the shower water and with check the foot until it finds the right temperature and then actuated the shower diverter to take a shower.

Es kann erfindungsgemäß ebenfalls vorgesehen sein, daß die der Sicherheitsstellung zugeordnete Wasserführung direkt zu dem Wannenablauf führt, sowohl bei einer Badewanne als auch bei einer Duschwanne. In diesem Fall kann der Benutzer gar nicht erst mit dem zu heißen Wasser in Berührung kommen.It can also be provided according to the invention that the the water supply assigned to the safety position directly the tub drain, both in a bathtub and with a shower tray. In this case, the user can do not come into contact with water that is too hot.

Erfindungsgemäß kann ebenfalls vorgesehen sein, daß das Umstellelement bei wieder sinkender Temperatur in die Ausgangsstellung zurückgestellt wird. Dies ist insbesondere dann von Vorteil, wenn die der Sicherheitsstellung zugeordnete Wasserführung zu einem nicht benutzbaren Wasserauslauf führt.According to the invention can also be provided that the Changeover element in the starting position when the temperature drops again is deferred. This is especially so an advantage if the one assigned to the safety position Water flow leads to an unusable water outlet.

Erfindungsgemäß kann vorgesehen sein, daß das temperaturempfindliche Element ein Bimetall aufweist, insbesondere eine Bimetallfeder. Insbesondere dann, wenn das Umstellelement nach Art eines Brauseumstellers aufgebaut ist, kann ein Bimetallelement ausreichen, bei Erreichen der Grenztemperatur die Umstellung des Umstellers nur auszulösen, die dann von der sowieso vorhandenen Feder bzw. aufgrund des nicht mehr einseitigen Wasserdrucks das Ventil vollständig umstellt. Als temperaturempfindliches Element kann beispielsweise ein Wachselement verwendet werden. According to the invention it can be provided that the temperature sensitive Element has a bimetal, in particular one Bimetal spring. Especially when the changeover element is built like a shower changer, a Bimetal element is sufficient when the limit temperature is reached the changeover of the diverter only to be triggered by the existing spring or because of the no longer unilateral water pressure completely changes the valve. As temperature sensitive element can be, for example Wax element can be used.

Die Erfindung schlägt ebenfalls vor, als temperaturempfindliches Element ein Element aus einer sogenannten Memory-Legierung zu verwenden, beispielsweise eine Feder. Dieses Material, das als Shape-Memory-Alloy (SMA) bezeichnet wird, hat die Eigenschaft, in einem sehr engen Temperaturbereich eine plötzliche Bewegung auszuführen, so daß auch hier der Effekt des allmählichen Verschließens einer Öffnung vermieden wird.The invention also proposes to be temperature sensitive Element an element made of a so-called memory alloy to use, for example a spring. This material, which is called Shape Memory Alloy (SMA) has the Property, in a very narrow temperature range perform sudden movement, so here too the effect the gradual closing of an opening is avoided.

Weitere Merkmale, Einzelheiten und Vorzüge ergeben sich aus den Patentansprüchen, deren Wortlaut durch Bezugnahme zum Inhalt der Beschreibung gemacht wird, der folgenden Beschreibung einer bevorzugten Ausführungsform der Erfindung sowie anhand der Zeichnung.Further characteristics, details and advantages result from the claims, the wording of which by reference to Content of the description is made of the following description a preferred embodiment of the invention as well based on the drawing.

Hierbei zeigt die einzige Zeichnungsfigur einen Teilschnitt durch ein Armaturengehäuse mit einem darin eingesetzten automatischen Brauseumsteller.The only drawing figure shows a partial section through a fitting housing with one inserted therein automatic shower diverter.

Die Zeichnung zeigt einen horizontal verlaufenden Teil 1 einer Sanitärarmatur, in die das von einem Mischventil kommende Wasser durch einen Kanal 2 eintritt und aus dem es rechts durch eine erste Wasserführung 3 beispielsweise zu einem Wannenauslauf und durch eine zweite Wasserführung 4 zu einem Brauseabgang gelangen kann.The drawing shows a horizontal part 1 a sanitary fitting, into which a mixing valve incoming water enters through a channel 2 and out of it right through a first water supply 3, for example a tub spout and through a second water supply 4 can reach a shower outlet.

In der Sanitärarmatur ist eine horizontal verlaufende Trennwand 5 vorgesehen, in die ein insgesamt mit 6 bezeichneter Brauseumsteller eingesetzt ist. Der Brauseumsteller 6 ragt an der Oberseite der Sanitärarmatur aus dieser heraus und weist dort einen Betätigungsgriff 7 auf. Die linke Hälfte des Brauseumstellers ist in einer Stellung gezeichnet, in der die zu dem Brauseanschluß 8 führende Wasserführung 4 mit Wasser versorgt wird, während die rechte Hälfte des Brauseumstellers 7 die Stellung zeigt, in der die zu einem Wannenauslauf führende Wasserführung 3 mit Wasser versorgt wird.There is a horizontal partition in the sanitary fitting 5 provided, in which a total designated 6 Shower diverter is used. The shower diverter 6 inquires the top of the sanitary fitting out of this and points there an operating handle 7. The left half of the Shower diverter is drawn in a position in which the to the shower connection 8 leading water supply 4 with water is supplied while the right half of the shower changer 7 shows the position in which the to a tub spout leading water supply 3 is supplied with water.

Je nach Stellung des Brauseumstellers 6 gelangt das Wasser durch die Trennwand 5 entweder zum Wannenauslauf oder zum Brauseanschluß 8. Der Brauseumsteller 6 enthält eine verschiebbare Ventilstange 9, an der zur Umstellung zwischen den beiden Wasserführungen 3, 4 ein Ventilverschlußkörper 10 angebracht ist, der eine umlaufende Dichtung 11 aufweist. Im mittleren Teil des Brauseumstellers 6 ist eine die Öffnung in der Trennwand 5 ausfüllende Querwand 12 mit einer zentralen Öffnung gebildet. Der Randbereich dieser Öffnung an der Unterseite der Querwand 12 bildet einen mit der Dichtung 11 zusammenwirkenden Ventilsitz.Depending on the position of the shower diverter 6, the water arrives through the partition 5 either to the tub spout or Shower connection 8. The shower diverter 6 contains a movable Valve rod 9 on which to switch between the two water channels 3, 4 a valve closure body 10 is attached, which has a circumferential seal 11. in the middle part of the shower diverter 6 is an opening in the partition wall 5 filling transverse wall 12 with a central Opening formed. The edge area of this opening at the The underside of the transverse wall 12 forms one with the seal 11 interacting valve seat.

Oberhalb des Ventilverschlußkörpers 10 erstreckt sich um die Ventilstange 9 herum eine Schraubendruckfeder 13, die den Brauseumsteller 6 in eine Stellung beaufschlagt, in der der Brauseabgang geschlossen ist, da der Ventilverschlußkörper 10 mit der Dichtung 11 auf dem an dem Brauseabgang 8 gebildeten Ventilsitz aufsitzt.Above the valve closure body 10 extends around the Valve rod 9 around a helical compression spring 13 which the Shower diverter 6 in a position in which the Shower outlet is closed because the valve closure body 10 with the seal 11 on the formed on the shower outlet 8 Valve seat is seated.

An dem unteren Ende der Ventilstange 9 ist eine mit Öffnungen 14 versehene Scheibe 15 befestigt. Die Scheibe liegt stromab des Ventilsitzes im Brauseanschluß 8. Zwischen einer stromab des Ventilsitzes für den Brauseanschluß 8 gelegenen Schulter 16 und der Scheibe 15 ist eine zweite Schraubendruckfeder 17 angeordnet. Diese wirkt in der gleichen Richtung wie die erstgenannte Schraubendruckfeder 13. Diese Schraubendruckfeder 17 bildet ein temperaturempfindliches Element, da sie aus SMA besteht, also einer Memory-Legierung. Ebenfalls möglich ist ein Bi-Metall-Element, ein Wachselement o. dgl. At the lower end of the valve rod 9 is one with openings 14 provided disc 15 attached. The disc is downstream the valve seat in the shower connection 8. Between a downstream the valve seat for the shower port 8 located shoulder 16 and the disc 15 is a second helical compression spring 17th arranged. This works in the same direction as that first named helical compression spring 13. This helical compression spring 17 forms a temperature sensitive element because it consists of SMA, i.e. a memory alloy. Likewise a bi-metal element, a wax element or the like is possible

Der Brauseumsteller 6 ist von unten her in die Öffnungen des Armaturengehäuses eingesetzt und von oben her mit Hilfe einer Überwurfmutter 18 festgelegt. Zum Abdichten dienen die verschiedenen O-Ringe.The shower diverter 6 is from below in the openings of the Fitting housing used and from above with the help of a Union nut 18 set. They are used for sealing different O-rings.

An das untere Ende des Brauseanschlusses 8 kann an das dort vorhandene Außengewinde 19 ein Brauseschlauch oder eine weiterführende Leitung angeschlossen werden.At the lower end of the shower connector 8 can be there existing external thread 19 a shower hose or a further line can be connected.

Die Wirkungsweise der in der Figur dargestellten Anordnung ist die folgende. Zum Umstellen des Brauseumstellers 6 zur Versorgung des Brauseabgangs 8 mit Wasser wird bei geöffnetem Mischventil der Brauseumsteller 6 durch Ziehen an dem Betätigungsgriff 7 nach oben umgestellt. In dieser links in der Figur dargestellten Stellung wirkt der Wasserdruck auf die Unterseite des Verschlußkörpers 10 und hält den Umsteller gegen die Wirkung der Schraubendruckfeder 13 in dieser Stellung fest. Das Wasser fließt zu dem Brauseabgang 8. Die temperaturempfindliche Schraubendruckfeder 17 ist so dimensioniert, daß bei einer für einen Benutzer erträglichen Temperatur des Brausewassers keine Federkraft erzeugt wird. Sobald jedoch eine bestimmte Grenztemperatur von beispielsweise 40 °C erreicht wird, ändert sich sprunghaft die Federkraft der SMA-Feder 17, so daß sie nun ausreichend stark auf die Scheibe 15 drückt und die Betätigungsstange 9 nach unten schiebt. Sobald der Ventilverschlußkörper 10 mit seiner Dichtung 11 von dem an der Querwand 12 gebildeten Ventilsitz abgehoben ist, wirkt der Wasserdruck nicht mehr einseitig auf den Ventilverschlußkörper 10, so daß die Bewegung nunmehr auch durch das Fehlen des einseitig wirkenden Wasserdrucks nicht mehr behindert wird. Das von dem Brauseumsteller 6 gebildete Umstellelement wird nun relativ ruckartig in eine Stellung gebracht, in der der Wasserauslauf zum Brauseabgang geschlossen und der Wasserabgang zum Wannenauslauf geöffnet ist.The operation of the arrangement shown in the figure is the following. To change the shower diverter 6 to The shower outlet 8 is supplied with water when it is open Mixing valve of the shower diverter 6 by pulling the operating handle 7 moved up. In this left in the Figure shown position, the water pressure acts on the Underside of the closure body 10 and holds the diverter against the action of the helical compression spring 13 in this Position firmly. The water flows to the shower outlet 8. The temperature-sensitive helical compression spring 17 is dimensioned that in a tolerable for a user Temperature of the shower water no spring force is generated. However, as soon as a certain limit temperature of, for example 40 ° C is reached, the spring force changes suddenly the SMA spring 17 so that it is now sufficiently strong the disc 15 presses and the operating rod 9 down pushes. As soon as the valve closure body 10 with its Seal 11 from the valve seat formed on the transverse wall 12 is lifted, the water pressure is no longer one-sided the valve closure body 10 so that the movement now also due to the lack of one-sided water pressure is no longer hindered. That from the shower diverter 6 Switching element formed is now relatively jerky in one Positioned in the water outlet to the shower outlet closed and the water outlet to the bath spout opened is.

Eine automatische Zurückstellung in den Brauseabgang bei Unterschreiten der Temperatur ist in dem dargestellten Beispiel nicht vorgesehen.An automatic reset in the shower outlet at Falling below the temperature is shown in the Example not provided.

Der gleiche Vorgang des Umstellens tritt bei dem als Ausführungsbeispiel dargestellten Umsteller auch dann auf, wenn das Mischventil geschlossen ist, also der Wasserdruck aufhört.The same process of switching occurs in the case of the exemplary embodiment shown diverter even if that Mixing valve is closed, so the water pressure stops.

Bei der dargestellten Ausführungsform kann die Druckfeder 17 aus SMA auch durch eine Druckfeder aus Bimetall ersetzt werden, sofern dafür gesorgt wird, daß die durch die Temperaturerhöhung bewirkte Ausdehnung des Bimetalls erst bei der Grenztemperatur zu einer Verschiebung der Ventilstange 9 führt. Dies kann beispielsweise dadurch erreicht werden, daß die Bimetall-Schraubendruckfeder in dem links in der Figur dargestellten Zustand eine geringere axiale Ausdehnung aufweist, also noch nicht an der Schulter 16 anliegt.In the embodiment shown, the compression spring 17 made of SMA also replaced by a compression spring made of bimetal be provided that care is taken that the increase in temperature caused expansion of the bimetal only at the Limit temperature for a displacement of the valve rod 9 leads. This can be achieved, for example, in that the bimetal helical compression spring in the left in the figure shown condition a smaller axial extent has, that is not yet against the shoulder 16.

Bei der dargestellten Ausführungsform ist ein Brauseumsteller als Teil einer Sanitärarmatur dargestellt, der zwischen einem Wannenabgang und einem Brauseabgang umschaltet.In the embodiment shown is a shower diverter shown as part of a sanitary fitting between a Bath outlet and a shower outlet switches.

Claims (8)

  1. Safety device for sanitary equipment having a fitting housing (1), which has an entrance duct (2), a water passage (3) to a first water outlet and a second water passage (4) to a second water outlet, with a reversing element (6), which has two possible positions and, as a function of its position, switches on or off the particular water passage (3, 4), as well as with a temperature-sensitive element (17), which acts on the reversing element (6), responds on reaching a given temperature limit and reversing the reversing element (6) into its one position, characterized in that the reversing element (6) is a shower reverser, which can be manually brought into a position opening one of the water passages (3, 4), is kept open in this position by the pressure of the flowing water and when the water pressure stops is automatically closed and in which the water passage associated with the safety position of the reversing element (6) leads to a water outlet with a reduced danger potential.
  2. Safety device according to claim 1, wherein the temperature-sensitive element (17) is constructed in such a way that it suddenly responds on reaching the temperature limit.
  3. Safety device according to one of the preceding claims, wherein, after reversal, even with the water temperature dropping again, the reversing element (6) remains in the safety position.
  4. Safety device according to one of the preceding claims, wherein the water passage (3) associated with the safety position of the reversing element (6) leads to a bath outlet.
  5. Safety device according to one of the claims 1 to 4, wherein the water passage (3) associated with the safety position of the reversing element (6) leads directly to a bath outlet.
  6. Safety device according to one of the claims 1, 2, 4 or 5 and or 6, wherein the reversing element (6) is returned to the initial position when the temperature drops again.
  7. Safety device according to one of the preceding claims, wherein the temperature-sensitive element has a bimetallic element, particularly a bimetallic spring, or is formed by the same.
  8. Safety device according to one of the preceding claims, wherein the temperature-sensitive element has a SMA spring.
EP95110062A 1994-07-07 1995-06-28 Security device for sanitary equipments Expired - Lifetime EP0694655B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4423857A DE4423857A1 (en) 1994-07-07 1994-07-07 Safety device for sanitary facilities
DE4423857 1994-07-07

Publications (2)

Publication Number Publication Date
EP0694655A1 EP0694655A1 (en) 1996-01-31
EP0694655B1 true EP0694655B1 (en) 1998-03-18

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ID=6522488

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EP95110062A Expired - Lifetime EP0694655B1 (en) 1994-07-07 1995-06-28 Security device for sanitary equipments

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US (1) US6082624A (en)
EP (1) EP0694655B1 (en)
JP (1) JP3869478B2 (en)
AT (1) ATE164196T1 (en)
DE (2) DE4423857A1 (en)
DK (1) DK0694655T3 (en)
ES (1) ES2113698T3 (en)

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GB2376733A (en) * 2001-02-21 2002-12-24 Christopher Terrell Anti-scald safety valve for a shower
JP2005127499A (en) * 2003-09-30 2005-05-19 Mym Corp Flow channel switching valve and shower device
ATE408777T1 (en) * 2005-06-30 2008-10-15 Esbe Ab THERMOSTATIC MIXING VALVE
DE102008007619B3 (en) * 2008-02-04 2009-09-03 Grohe Ag Sanitary fitting for e.g. discharging water, has connecting rod axially movable between operating position and assembly position, and control element connected with connecting rod in assembly position of connecting rod
JP5212008B2 (en) * 2008-10-15 2013-06-19 株式会社ノーリツ Circulation adapter
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ITMI20112121A1 (en) * 2011-11-22 2013-05-23 Getters Spa SYSTEM FOR THE PRODUCTION OF HOT WATER AND AUTOMATIC DRINK OF DRINKS THAT USES IT
ITVR20130249A1 (en) * 2013-11-21 2015-05-22 Thermomat S R L ANTISCOTTATURA DEVICE, IN PARTICULAR FOR TAPS
GB2569552B (en) * 2017-12-19 2022-05-11 Buycombi Ltd A cartridge for a diverter valve
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Also Published As

Publication number Publication date
ATE164196T1 (en) 1998-04-15
DE59501631D1 (en) 1998-04-23
ES2113698T3 (en) 1998-05-01
DK0694655T3 (en) 1998-12-28
EP0694655A1 (en) 1996-01-31
DE4423857A1 (en) 1996-01-11
US6082624A (en) 2000-07-04
JP3869478B2 (en) 2007-01-17
JPH0886369A (en) 1996-04-02

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