EP0432553B1 - Armature sanitaire - Google Patents

Armature sanitaire Download PDF

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Publication number
EP0432553B1
EP0432553B1 EP19900122492 EP90122492A EP0432553B1 EP 0432553 B1 EP0432553 B1 EP 0432553B1 EP 19900122492 EP19900122492 EP 19900122492 EP 90122492 A EP90122492 A EP 90122492A EP 0432553 B1 EP0432553 B1 EP 0432553B1
Authority
EP
European Patent Office
Prior art keywords
housing part
nozzle
fitting
channel
water
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
Application number
EP19900122492
Other languages
German (de)
English (en)
Other versions
EP0432553A1 (fr
Inventor
Ferdinand Hochstrasser
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.)
Franke Technology and Trademark Ltd
Original Assignee
KWC AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by KWC AG filed Critical KWC AG
Priority to AT90122492T priority Critical patent/ATE86331T1/de
Publication of EP0432553A1 publication Critical patent/EP0432553A1/fr
Application granted granted Critical
Publication of EP0432553B1 publication Critical patent/EP0432553B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0404—Constructional or functional features of the spout
    • 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
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/104—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves using a single check valve
    • 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
    • E03C1/10—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves
    • E03C1/108—Devices for preventing contamination of drinking-water pipes, e.g. means for aerating self-closing flushing valves having an aerating valve
    • 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
    • E03C2001/0415—Water-basin installations specially adapted to wash-basins or baths having an extendable water outlet
    • 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
    • Y10T137/9464—Faucets and spouts

Definitions

  • the present invention relates to a sanitary fitting according to the preamble of claim 1.
  • sanitary fittings in which the quality of the feed water can be jeopardized if contaminated water is sucked back into the feed line.
  • this includes washbasin and sink fittings with pull-out hose shower as well as shower and bath mixers with hose shower.
  • the shower is in a basin or in a tub while the feed line breaks, for example. If the tap is open at this moment, the pool or tub can be sucked empty through the shower due to the negative pressure that is built up by the drainage of the water in the feed line.
  • the contaminated water can get into the feed line and later, after the repair, escape again at the corresponding fitting or even at another location. For this reason, such fittings must have safety devices with which the back suction of contaminated water into the feed line is prevented.
  • These safety devices have a ventilation opening which is closed in the case of normal water outflow from the fitting, but which are open at least under conditions permitting a backflow of water in order to vent the outlet line for the water between the safety device and the outlet. At the same time, the feed line is separated from the outlet line in terms of flow. Under certain conditions, it is possible that small amounts of leakage water can escape from the ventilation opening. For example, if there is excess pressure in the hose of the hose shower while the ventilation opening of the safety device is released to prevent contaminated water from flowing back into the feed line. Although these amounts of leakage water are usually small, they can lead to undesirable damage and contamination. However, it should also be noted that larger quantities of water can escape from the ventilation opening as a result of a defect.
  • a sink mixer which has the features of the preamble of claim 1 is known from DE-UG 88 13 390.7.
  • the one-piece fitting housing has a connecting piece projecting towards the front, through which a hose of a hose shower is passed and into which the shower can be inserted.
  • a safety device to prevent water from flowing back into the feed line is built into the control cartridge designed as a piston mixer. This has a ventilation opening which is closed by a rubber washer under normal operating conditions. If, on the other hand, a negative pressure is built up in the feed line, the rubber washer releases the ventilation opening in order to ventilate the feed line.
  • the ventilation opening is connected to the surroundings by a ventilation channel arranged in the nozzle, which opens into the interior of the nozzle near the free end of the nozzle.
  • the valve has a ventilation channel connected to a ventilation opening of a safety device, which opens out of the valve housing at the front. Any leakage water that may escape through the ventilation opening is thus directed to the front of the fitting, where it can flow into a tub or a basin without causing any damage. Furthermore, it is immediately recognizable if water should escape due to a defect in the safety device. Since the ventilation duct is provided in the fitting itself, no adjustments or changes are necessary to either a tub or a basin or to a drain. Since the opening of the ventilation duct is provided on the front of the fitting, it can be easily inspected to ensure that the opening is not blocked and thus the correct functioning of the safety device is ensured. Furthermore, no separate lines have to be led out of the fitting, which avoids an enlargement of the fitting housing.
  • the inventive design of the ventilation channel creates the permanent connection of the safety device with the environment in a swivel fitting in a simple manner.
  • the single figure shows purely schematic and simplified a sink mixer with pull-out hose shower, partially cut.
  • the sanitary fitting shown in the figure has a fitting housing 10 and a pull-out hose shower 12.
  • the valve body 10 consists essentially of three parts, a lower and an upper housing part 14 and 16, these form a fixed housing part 16a, and a jacket element 18 pivotably mounted thereon about a substantially vertical axis 17.
  • the lower one Housing part 14 is essentially sleeve-shaped and a fastening piece 20 is formed on it in the lower end region, which penetrates a hole 22 in an approximately horizontally running edge 24 of a sink 26. From below, a nut 28 is screwed onto the attachment piece 20, by means of which the fitting is held on the sink 26.
  • the sink 26 has a recess 30, which is only indicated schematically and is arranged in front of the housing part 16a.
  • the lower housing part 14 On the lower housing part 14 sits the upper housing part 16, which engages with its lower end region in the upper end region of the lower housing part 14 and is firmly connected to it.
  • the lower housing part 14 has a step-like taper 32 in the outer diameter in the region between the fastening piece 20 and the upper housing part 16. From the taper 32 on up to the upper end 16 'of the upper housing part 16, the lower and upper housing part 14, 16 to the axis 17 concentric with the same diameter is cylindrical. The corresponding cylindrical surface is designated 34.
  • the upper and lower housing parts 14, 16 are encompassed by the hollow cylindrical jacket element 18, which is supported with its lower end 18 'on the taper 32.
  • the lower housing part 14 On the rear side 35, the lower housing part 14 has a circumferential limiting groove 36 into which a guide pin 38 screwed into the casing element 18 from behind engages.
  • the limiting groove 36 extends with respect to the plane of the drawing in both directions of rotation about the axis 17, for example by 60 ° each, whereby the pivoting angle of the casing element 18 with respect to the fixed housing part 16a is limited to 120 °. Furthermore, by guiding the guide pin 38 in the limiting groove 36, the casing element 18 is held stationary with respect to the lower housing part 16a in the direction of the axis 17.
  • the upper housing part 16 has a blind hole-shaped, cylindrical recess 40 which is open at the top and into which a control cartridge 42, indicated only schematically, is inserted.
  • the control cartridge 42 is a single-lever mixing valve, as is generally known and is described in detail, for example, in CH-PS 'en 651 119 or 654 088.
  • the control cartridge 42 is connected to a feed line 44 for cold and warm water, only one of the two feed lines 44 being shown in the figure.
  • the feed lines 44 are guided from below through the mounting piece 26 and the lower housing part 14 and open into a bore, not shown, which connects the feed lines 44 to the control cartridge 42.
  • the control cartridge 42 is followed by a schematically indicated securing device 46, which is inserted in a blind hole-shaped, further recess 48 in the upper housing part 16 which is open towards the lower housing part 14.
  • a passage opening 50 is provided between the recess 40 and the further recess 48, and connects the control cartridge 42 to the safety device 46 on the outlet side.
  • a tube 52 leads away from the securing device 46 in the direction of the axis 17 towards the bottom and is guided through the fastening stub 20 under the sink 26.
  • the end of the tube 52 on this side is connected to a flexible hose 54 of the hose shower 20, which forms a storage loop underneath the sink 26 and is passed through the fastening stub 20 again with the other end region.
  • the lower housing part 14 On the front side 55, the lower housing part 14 has an opening 56 running approximately in the radial direction, through which the end region of the hose 54 on this side is guided into a connecting piece 58 formed on the jacket element 18, projecting forwardly and obliquely upward therefrom.
  • the hose 54 opens into a shower 60, the handle 62 of which is inserted with the hose-side end region 64 into a guide bush 66 arranged in the connection piece 58 and can be pulled out again.
  • a weight 68 is attached to the hose 54, which pulls the hose 54 back when the extended hose shower 12 is pushed back.
  • the hose 54 has a flexible, metallic jacket and a not shown but generally known inner hose part made of rubber-elastic material or plastic.
  • the outlet of the hose shower 12 is designated 70.
  • the opening 56 is so large in the circumferential direction that pivoting of the casing element 18 with the connection piece 58 is possible without problems within the pivoting range determined by the limiting groove 36.
  • the essentially hollow cylindrical guide bush 66 is held in place in the form of a snap connection by means of a retaining lug 72 which engages in a hole 74 in the connecting piece 58.
  • the guide sleeve 60 Seen from the free end 58 'of the nozzle 58, the guide sleeve 60 lies approximately over half the length of the nozzle 58, on the inner wall 58' thereof. From approximately the middle of the connecting piece 58 to the lower end region, the guide sleeve 66 has a section 76 with a reduced outside diameter, which section 76 together with the inner wall 58 ⁇ delimits a jacket space 78.
  • a circumferential bead 80 is formed on the guide bush 66, on which a circumferential groove 82 is worked out, into which a sealing ring 84 is inserted.
  • the socket 58 has a thickening 88 protruding towards the inside, which surrounds the former and against which the sealing ring 84 lies along its circumference.
  • the sealing ring 84 thus seals the lower end of the jacket space 78.
  • the lower end of the guide bush 66 is approximately aligned with the lateral surface 34 of the fixed housing part 16a. From the lowest point of the jacket space 78, a passage 90 runs through the wall of the connecting piece 58. The mouth 91 of this passage 90 is thus provided on the front of the fitting and is located above the recess 30 in the sink 26.
  • the passage 90 is approximately diametrically opposite a ventilation passage 92 extending in an approximately radial direction with respect to the axis 17 through the thickening 88 through which the jacket space 78 is provided connects an annular channel 94 in terms of flow.
  • the annular channel 94 is machined into the casing element 18 and runs on its inside, seen in the radial direction, in the circumferential direction around the upper housing part 16 and is delimited by the latter on this side.
  • a circumferential groove 96 is provided in the upper housing part 16, into which a further sealing ring 98 is inserted, which lies with its circumference on the casing element and seals the lower end of the ring channel 94.
  • the ring channel 94 is connected in terms of flow to the securing device 46 by means of a ventilation line 100 which is incorporated in the upper housing part 16 and which opens into the further recess 48.
  • the securing device 46 itself can be constructed in different ways. For example, it can have a type A2 pipe interrupter according to DIN 3266, Part 1, from July 1986. However, a safety combination with a backflow preventer and a pipe aerator according to DIN 1988, part 4, December 1988, and DIN 3266, part 1, July 1986, can also be provided. Other types of securing device, such as pipe separators, are also conceivable.
  • a pipe interrupter type A2 has, for example, a socket which is closed at its end and which engages at a distance with a pipe element coaxial with it. There are radial flow openings at the nozzle for the water provided and the tube has radial ventilation openings for the air inlet.
  • an elastic, hollow-cylindrical closing element lies against the nozzle and closes its flow openings, the ventilation openings being released.
  • the closing member is pressed radially outward, opening the throughflow openings, so that the water flow through the pipe interrupter is released and the air supply through the ventilation openings is blocked.
  • the securing device 46 has a schematically indicated ventilation opening 102 which is connected in terms of flow to the ventilation line 100 but is otherwise sealed off from the outside.
  • the ventilation line 100, the annular channel 94, the ventilation passage 92, the jacket space 78 and the passage 90 form a ventilation channel 104, which connects the ventilation opening 102 of the securing device 46 to the surroundings.
  • the ventilation duct 104 runs inside the fitting housing 10 and opens out of the fitting housing 10 on the front 55 of the fitting housing 10 above the recess 30 in the sink 26.
  • the control cartridge 42 inserted into the upper housing part 16 has a one-armed actuating lever 106.
  • the actuating lever 106 By turning the actuating lever 106 about the axis 17, the flow rates for the hot and cold water are changed in the control cartridge 42 in the opposite manner, whereby the temperature of the water flowing out of the control cartridge 42 can be adjusted.
  • the actuating lever 106 is pivotable about a horizontal axis, whereby the amount of water flowing through the fitting can be regulated or interrupted.
  • the basic mode of operation of the safety device 46 is described in DIN 3266 from July 1986 and DIN 1988 from December 1988.
  • the ventilation opening 102 is closed, so that no water can escape into the ventilation duct 104 through it.
  • the safety device 46 must prevent the back flow of water through the passage opening 50 into the open control cartridge 42 and back into the feed line 44 and at the same time open the ventilation opening 102 in order to do this Vent tube 52 and hose 54.
  • the air for ventilation can pass through the ventilation duct 104 from the environment to the safety device 46.
  • the embodiment of the ventilation duct 104 with an annular duct 94 shown in the figure and described above permits problem-free guidance of possibly Leakage water emerging from the ventilation opening 102 irrespective of the pivoting position of the casing element 18 with respect to the upper housing part 16.
  • a corresponding embodiment of the ventilation duct 104 is thus also conceivable for fittings in which the casing element 18 can be rotated through 360 ° about the axis 17.
  • the proposed fitting does not require any additional line which is passed through the fastening piece 20, which enables the fastening piece to be designed in a conventional manner.

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  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Nozzles (AREA)
  • Domestic Plumbing Installations (AREA)
  • Residential Or Office Buildings (AREA)
  • Infusion, Injection, And Reservoir Apparatuses (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)

Claims (8)

  1. Robinetterie sanitaire comprenant un boîtier de robinetterie (10) incluant un manchon en porte-à-faux (58) orienté approximativement vers l'avant, un ensemble de réglage (42), relié du côté d'entrée à au moins une conduite d'amenée (44) et disposé dans le boîtier de robinetterie (10), prévu pour régler le débit d'eau qui s'écoule depuis l'ensemble de réglage (42) vers une sortie (70) par une conduite de sortie (52, 54) traversant le manchon (58) , un mécanisme de sécurité (46) disposé lui aussi dans le boîtier de robinetterie (10), prévu pour empêcher le reflux d'eau dans la conduite d'amenée (44) et incluant une ouverture d'aération (102) fermée lorsque l'écoulement d'eau est normal et ouverte dans des conditions permettant un reflux, et un canal d'aération (104), reliant l'ouverture d'aération (102) à l'environnement et débouchant en particulier dans la zone du manchon (58) hors du boîtier de robinetterie (10), caractérisée en ce que le boîtier de robinetterie (10) présente une partie de boîtier fixe (16a) et une partie de boîtier (18) logée dans la précédente et pivotant avec le manchon (58), l'ensemble de réglage (42) et le mécanisme de sécurité (46) étant disposés dans la partie de boîtier fixe (16a) et le canal d'aération (104) présentant un canal de liaison (94), limité en commun par la partie de boîtier fixe (16a) et la partie de boîtier pivotante (18) et orienté suivant la direction de pivotement de l'élément de boîtier pivotant (18), relié par une conduite d'aération (100) ménagée dans la partie de boîtier fixe (16a) à l'ouverture d'aération (102) et relié à l'environnement par un élément (78, 90, 92) de canal d'aération, prévu dans la partie de boîtier pivotante (18) et débouchant sur le côté avant (55).
  2. Robinetterie selon la revendication 1, caractérisée en ce qu'une partie du boîtier de robinetterie (10) pour être mise en position au-dessus d'une cuvette (26), l'embouchure (91) du canal d'aération (104) étant prévue sur la face inférieure du manchon (58) et venant reposer au-dessus de l'évidement (30) de la cuvette (26).
  3. Robinetterie selon la revendication 1 ou 2, comprenant une douche étirable à tube souple, dont le tube souple est guidé à travers le manchon et dont la pomme peut être insérée dans ce manchon, caractérisée en ce qu'une douille de guidage (66) est prévue dans le manchon (58) pour tenir la pomme (60) qui peut y être insérée, la douille de guidage (66) délimitant avec la paroi intérieure (58˝) du manchon (58) un espace d'enveloppe annulaire (78) qui est relié au canal (94) au moyen d'un passage d'aération (92) passant à l'intérieur de la partie de boîtier pivotante (18) et à l'environnement au moyen d'un passage (90) à travers le manchon (58).
  4. Robinetterie selon l'une des revendications 1 à 3, caractérisée en ce que la partie de boîtier pivotante présente un élément d'enveloppe (18), sensiblement cylindrique, entourant la partie de boîtier fixe (16a) et à distance duquel se trouve le manchon (58), le canal de liaison étant réalisé sous forme de canal annulaire (94) dont le tracé entoure la partie de boîtier fixe (16a).
  5. Robinetterie selon la revendication 3 ou 4, caractérisée en ce que l'espace d'enveloppe (78) et le canal annulaire (94) sont réalisés de façon étanche à l'eau,à leur extrémité la plus profonde.
  6. Robinetterie selon la revendication 5, caractérisée en ce que deux joints d'étanchéité (84, 98) sont prévus, l'un au-dessous de l'espace d'enveloppe (78) entre la douille de guidage (66) et le manchon (68) et l'autre au-dessous du canal annulaire (94) entre la partie de boîtier fixe (16a) et l'élément d'enveloppe (18).
  7. Robinetterie selon l'une des revendications 1 à 6, caractérisée en ce que le mécanisme de sécurité (46) de l'élément de réglage (42) est monté en aval , est traversé par l'eau et aère, dans des conditions permettant un reflux, la conduite de sortie (52, 54), reliant le mécanisme de sécurité (46) à la sortie (70).
  8. Robinetterie selon l'une des revendications 1 à 7, caractérisée en ce que le mécanisme de sécurité (46) présente un interrupteur de tuyauterie ou un clapet anti-retour et un aérateur de tuyauterie.
EP19900122492 1989-12-13 1990-11-26 Armature sanitaire Expired - Lifetime EP0432553B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AT90122492T ATE86331T1 (de) 1989-12-13 1990-11-26 Sanitaere armatur.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH4481/89A CH681164A5 (fr) 1989-12-13 1989-12-13
CH4481/89 1989-12-13

Publications (2)

Publication Number Publication Date
EP0432553A1 EP0432553A1 (fr) 1991-06-19
EP0432553B1 true EP0432553B1 (fr) 1993-03-03

Family

ID=4276906

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900122492 Expired - Lifetime EP0432553B1 (fr) 1989-12-13 1990-11-26 Armature sanitaire

Country Status (7)

Country Link
US (1) US5090062A (fr)
EP (1) EP0432553B1 (fr)
AT (1) ATE86331T1 (fr)
CA (1) CA2032033C (fr)
CH (1) CH681164A5 (fr)
DE (1) DE59000978D1 (fr)
ES (1) ES2038032T3 (fr)

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Also Published As

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CA2032033C (fr) 1994-05-17
CH681164A5 (fr) 1993-01-29
EP0432553A1 (fr) 1991-06-19
ATE86331T1 (de) 1993-03-15
DE59000978D1 (de) 1993-04-08
ES2038032T3 (es) 1993-07-01
US5090062A (en) 1992-02-25
CA2032033A1 (fr) 1991-06-14

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