EP0486000B1 - Mecanisme d'évacuation d'eau d'un tuyau pour un raccord de douche extensible - Google Patents

Mecanisme d'évacuation d'eau d'un tuyau pour un raccord de douche extensible Download PDF

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Publication number
EP0486000B1
EP0486000B1 EP91119376A EP91119376A EP0486000B1 EP 0486000 B1 EP0486000 B1 EP 0486000B1 EP 91119376 A EP91119376 A EP 91119376A EP 91119376 A EP91119376 A EP 91119376A EP 0486000 B1 EP0486000 B1 EP 0486000B1
Authority
EP
European Patent Office
Prior art keywords
blocks
hose
holder
shower head
shower
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
EP91119376A
Other languages
German (de)
English (en)
Other versions
EP0486000A1 (fr
Inventor
Kenji C/O Toto Ltd. Okayama
Yoshihiro C/O Toto Ltd. Yamane
Yoshiki C/O Toto Ltd. Ohta
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.)
Toto Ltd
Original Assignee
Toto Ltd
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Filing date
Publication date
Application filed by Toto Ltd filed Critical Toto Ltd
Publication of EP0486000A1 publication Critical patent/EP0486000A1/fr
Application granted granted Critical
Publication of EP0486000B1 publication Critical patent/EP0486000B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K3/00—Baths; Douches; Appurtenances therefor
    • A47K3/26—Bidets without upward spraying means
    • 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
    • E03C1/06—Devices for suspending or supporting the supply pipe or supply hose of a shower-bath
    • 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

Definitions

  • the present invention relates generally to an extensible shower attachment wherein a shower head can be extended from the body of a shower and more particularly, to a hose drain mechanism constructed to prevent water from flowing from a shower hose in an extended condition into the shower body.
  • An extensible shower attachment is used in a kitchen sink or washbasin and includes a faucet body and a shower head mounted to the faucet body, the latter extending from the body to allow the user to wash dishes or hair.
  • Fig. 11 shows a typical shower attachment mounted in a sink, including a faucet body 1 secured to a counter 50.
  • a shower head 2 is connected to the body 1 as shown in Fig. 11 and can be manually extended from the body 1.
  • a water pipe 3a and a hot water pipe 3b are connected to the body 1.
  • a single lever or handle 4 is mounted to operate a valve incorporated into the body 1.
  • a flexible hose 5 extends between the downstream end of the valve and the shower head 2.
  • a holder 1a extends obliquely upwardly from the body 1.
  • the shower head 2 is inserted into the holder 1a. Extraction of the shower head 2 from the holder 1a causes the hose 5 to extend from the holder 1a. Replacement of the shower head 2 into the holder 1a causes the hose 5 to move downwardly to a position as shown in Fig. 11.
  • a drain mechanism is incorporated into the holder 1a to prevent the water droplets on the hose 5 from entering into the body 1 or falling into the cabinet.
  • a bushing as a drain element for removing the water from the surface of the hoses is included in the holder 1a as, for example, disclosed in Japanese unexamined utility model publication No. 62-148674 which has been adopted as preamble of claim 1.
  • a cylindrical bushing or other suitable means is effective to remove water from the surface of the hose 5.
  • Such means is made of resilient material so as to have more contact with the peripheral surface of the hose 5. This enables better drainage of the hose 5.
  • the drain element can always be closely contacted with the hose 5.
  • the hose 5 is in the form of a bellows, the outer diameter of the hose 5 may vary as the hose 5 is bent. The drain element can not follow such resilient deformation of the hose 5.
  • Such a drain element is unable to fully remove water droplets from the hose by using its resilience. It is therefore necessary to include a water tray or the like in the cabinet.
  • This invention provides a shower attachment according to claim 1.
  • the holder is preferably provided with a cylindrical guide therein which receives the outer periphery of the proximal end portion of the shower head; the guide has a plurality of slide grooves formed in a radial direction at the proximal end surface thereof; the blocks are respectively provided with slide projections at the side end thereof, which movably engage with the slide grooves; and the blocks are movable to and from the axis of the guide along the connection between the slide projections and the slide grooves.
  • the plurality of blocks can be provided with connecting seat portions at the both ends in the direction in which said blocks follow the circumferential surface of the hose; the connecting seat portions are formed so that each portion is recessed in reverse of the axial direction of the blocks; and the blocks are arranged so that the connecting seat portions of adjacent blocks overlap each other in the axial direction.
  • a packing is interposed between the plurality of blocks and the elastic element, and each block is provided with a groove at the outer periphery thereof, which runs in a circumferential direction with the packing mounted into the groove.
  • the packing is divided into a plurality of pieces which equal the number of blocks, with each of the divided pieces being arranged so that the boundary end portions of adjacent blocks are covered.
  • a coil spring which forms an annular shape corresponding to the blocks is available for the elastic element.
  • the elastic element provides a mechanical force with its resilience to push the blocks toward the hose. This allows the sealing portions of the blocks to seal the peripheral surface of the hose.
  • the blocks are radially moved in accordance with the rugged surface of the hose so as to maintain a uniform seal between the blocks and the hose. Sealing pressure is maintained by the resilience of the elastic element when the hose is moved.
  • the blocks correspond in motion to the hose to prevent water from flowing across the blocks. Accordingly, the water will not flow below the holder when the hose is extracted from and retracted to the holder.
  • each of blocks independently moves corresponding to the rugged surface of the hose, thus allowing a stable and uniform seal along the surface of the hose.
  • connecting seat portions provided at the both ends of each block overlap with those on adjacent blocks, each block is relatively regulated in axial directed motion and smoothly moves corresponding to the surface of the hose without causing turbulence in the arrangement.
  • the packing may be divided into plural members each of which covers the gaps between adjacent blocks when these blocks move outwardly. Since the divided packing members easily move to correspond with the deformation in the arrangement of the blocks, even though the packing is likely to regulate the circumference of the blocks, it will not interfere with the outward movement of the blocks.
  • the packing will not easily dislocate from its original assembled location. This permits smooth and rapid motion of the blocks without any interference or disturbance, and the resistance caused by the tightening of the blocks will be reduced when the hose is extracted for use.
  • a faucet body 1 is secured, for example, on a kitchen counter, as previously described in connection with Fig. 11.
  • a holder 1a projects from the faucet body 1 to receive an extensible shower head 2.
  • a handle 4 is mounted to the top of the faucet body 1.
  • a valve mechanism is connected to a water pipe 3a and a hot water pipe 3b and is operated by the handle 4 to open and close the passage.
  • a hose 5 is connected to the valve mechanism to feed water or a mixture of cold water and hot water to the shower head 2.
  • a connecter 2a provides a connection between internal passages of the shower head 2 and the hose 5.
  • the hose 5 is in the form of a bellows and has a rugged surface.
  • the hose 5 has a thickness that allows it to be bent.
  • a first guide 6 is mounted within the holder 1a to receive the connecter 2a. Also, a second guide 7 is mounted within the connecter 2a to guide the movable hose 5.
  • the first guide 6 has an inner diameter that allows the base end of the shower head 2 and the connecter 2a to be fit in the first guide 6.
  • the first guide 6 has a discharge opening 6a at its lower end.
  • the second guide 7 is spaced away from the lower end of the first guide 6 and has an inner diameter greater than the diameter of the hose 5.
  • the second guide 7 also has a discharge opening 7a at its lower end.
  • a dam 7b is formed on the lower end of the inner peripheral surface of the second guide 7 to contact which the peripheral surface of the hose 5.
  • the holder 1a has openings 1b and 1c which correspond in position to the discharge openings 6a and 7a, respectively.
  • a drain ring 8 is disposed between the first guide 6 and the second guide 7 to remove water from the surface of the hose 5 when the shower head 2 and the hose 5 are returned to their initial positions.
  • the drain ring 8 includes four blocks 9, a coil spring 10 as a resilient element, and four packings 11 disposed between the blocks 9 and the coil spring 10.
  • Fig. 4 is a front view of the drain ring 8 looking proximally from the distal end of the holder 1a.
  • Fig. 5 is an exploded perspective view showing the manner in which the drain ring 8 is connected to the first guide 6.
  • Fig. 6 is an exploded view of the first guide 6 and the blocks 9 from another perspective.
  • Each block 9 is made of synthetic resin and is arcuate with a central angle of approximately 90° as shown in detail in Fig. 7. As shown in Figs. 2 and 7, each block 9 is tapered to provide a sealing portion 9a.
  • the sealing portion 9a has a triangular section and is in contact with the hose 5 or the connecter 2a.
  • a U-shaped groove 9b is formed in the outer peripheral surface of each block 9 to receive the packing 11 of a U-section.
  • the block 9 is provided with slidable projection 9c extending toward the first guide 6. As shown in Fig. 5, a groove 6b is formed in the end surface of the first guide 6 to receive the slidable projection 9c.
  • the slidable projection 9c is slidable within the groove 6b.
  • the slidable projection 9c and the groove 6c are constructed like a dovetail anchor and a dovetail anchor slot and have a wedge-shaped section.
  • the projection 9c is slidable radially from the blocks 9 assembled in a circular configuration, or radially from the hose 5 or the connecter 2c.
  • the block 9 is provided with a pair of connecting seat portions 9e, 9f at the both ends in the circumferential direction thereof. These connecting seat portions 9e, 9f are formed so that both ends in the circumferential direction are partially cut away to create a flat portion facing in the axial direction. One connecting seat portion 9e is formed to face upward, and the other connecting seat portion 9f is formed to face downward.
  • each packing 11 extends over two adjacent blocks 9.
  • a projection 11a extends radially from one end of the packing 11 as shown in Fig. 8.
  • a recess 9d is formed in the outer peripheral surface of the slidable projection 9c to receive the projection 11a.
  • the slidable projection 9c has a substantially central location in the circumferential direction of the block 9 as shown in Fig. 7A, the end of the packing 11 where the projection 11 is formed is also located centrally in the circumferential direction of the block 9.
  • the blocks 9 and the packings 11 are assembled when the projections 11a are fit in the recesses 9d as shown in Fig. 9.
  • Fig. 10 is a plan view of the coil spring 10 in assembly. With the coil spring 10 placed around the blocks 9, the blocks 9 are moved radially outward against the action of the coil spring 10 when outward force is applied to the seal portions 9a of the blocks 9. When the force is removed, allowing the return of the coil spring 10, the blocks 9 are moved back to the original position (Fig. 3). Although a space is formed between adjacent blocks 9 when the blocks 9 are opened, the packings 11 still extend over the adjacent blocks to close the space. The blocks 9 and the packings 11 thus cooperate to seal the hose 5.
  • Water can be fed from the shower head 2 while the shower head 2 remains attached to the faucet body 1 with the connecter 2a fit into the first guide 6. At this time, the sealing portion 9a of each block 9 is in contact with the peripheral surface of the lower end of the connecter 2a.
  • each block 9 is moved to and from the hose 5 in accordance with the step between the connecter 2a and the hose 5 and the rugged surface of the hose 5, while the sealing portions 9a are pressed against the hose 5 by the influence of the coil spring 10. This radial movement of each block 9 promotes smooth extraction of the hose 5.
  • the drain ring 8 is thus constructed to stop water which flows on and along the hose 5 when the shower head 2 is in use. If the water flows across the blocks 9 and enters into the second guide 7, the dam 7b prevents the water from flowing downstream of the second guide 7. This arrangement assures stoppage of even a large amount of water which is fed from the shower head 2 and flows on and along the hose 5. Thus, a kitchen cabinet or the like is prevented from becoming wet.
  • each block 9 of the drain ring 8 moves in a radial direction in accordance with the rugged surface of the hose 5 so as to bring the sealing portions 9a into contact with the peripheral surface of the hose 5.
  • the hose 5 has a rugged surface such as a bellows-shaped pipe, water can be removed from the surface of the hose 5 and discharged through the discharge opening 6a and the opening 1b rather than entering into the faucet body 1.
  • the dam 7b of the second guide 7 prevents the water from entering into the faucet body 1, the water being discharged through the discharge opening 7a and the opening 1c.
  • the four blocks 9 of the drain ring 8 are pressed radially inward by the resilience of the coil spring 10 so as to maintain a uniform sealing pressure between the drain ring 8, the hose 5, and the connecter 2a.
  • This arrangement can remove water from the hose 5 by high sealing pressure, preventing water from entering into the faucet body 1 or kitchen cabinet during rapid movement of the hose 5 more effectively than those systems with resilient means such as a packing.
  • the holder 1a is integrated into the faucet body 1.
  • the holder may be directly attached to the kitchen counter above the cabinet.
  • a leaf spring maybe used as a resilient element, in lieu of the coil spring 10, to press each block 9 toward the hose 5.
  • the advantages of the invention are as follows.
  • the resilient element extends around a plurality of blocks, and the sealing portions of the blocks are sealed against the hose by the resilience of the resilient element.
  • a packing as a resilient element is contacted with a hose. In such a case, however, the packing is deformed when the hose is rapidly moved. This results in a decrease in sealing pressure.
  • the present invention provides a uniform seal between the hose and the drain ring so as to completely remove water from the hose. Accordingly, if a large amount of water flows on the hose, or the hose is frequently used, the water in no way enters into the cabinet or the like. This eliminates the need for a water tray and like items.
  • the blocks are radially moved by the resilience of the resilient element. This arrangement provides a seal between the blocks and the hose, even if the hose has a rugged surface such as a bellows-shaped pipe.
  • the invention has a wide application.

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  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Hydrology & Water Resources (AREA)
  • Water Supply & Treatment (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Domestic Plumbing Installations (AREA)
  • Massaging Devices (AREA)

Claims (6)

  1. Un raccord de douche comprenant une tête ou pomme de douche (2) et, un support (1a) susceptible de porter la tête de douche (2) de façon à permettre l'extraction de la tête de douche avec un tube flexible (5) qui lui est relié, et un mécanisme de purge de tube flexible (9, 9a, 10, 11) monté à l'intérieur du support, ledit support (1a) étant muni d'une ouverture de décharge (6a, 1b), dont la partie d'entrée (6a) est disposée entre le mécanisme de purge de tube flexible et la tête de douche, caractérisé en ce que ledit mécanisme de purge de tube flexible comporte:
    - une pluralité de blocs (9) mobiles vers et depuis l'axe dudit tube flexible et munis de parties d'étanchéité (9a) sur leur périphérie intérieure pour réaliser l'étanchéité sur la surface extérieure dudit tube flexible,
    - une pluralité de garnitures (11) prévues autour desdits blocs (9) selon un agencement tel que chacune desdites garnitures (11) s'étend sur deux blocs adjacents (9), et
    - un organe élastique (10) susceptible de presser ensemble lesdits blocs avec lesdites garnitures vers ledit tube flexible.
  2. Un raccord de douche selon la revendication 1, dans lequel ledit support (1a) est muni à l'intérieur d'un guide cylindrique (6) qui reçoit la périphérie extérieure de la partie d'extrémité proximale de ladite tête de douche (2); ledit guide comporte une pluralité de rainures de coulissement (6b, 6c) formées dans une direction radiale à sa surface d'extrémité proximale; lesdits blocs (9) étant respectivement munis à leur extrémité latérale de parties de coulissement en saillie (9c), qui viennent en contact mobile avec lesdites rainures de coulissement; et lesdits blocs sont mobiles vers et à partir de l'axe dudit guide (6) le long de ladite liaison entre lesdites parties de coulissement en saillie et lesdites rainures de coulissement.
  3. Un raccord de douche selon la revendication 1 ou 2, dans lequel les blocs de ladite pluralité sont munis de parties de sièges de liaison (9e, 9f) aux deux extrémités dans la direction dans laquelle lesdits blocs suivent la surface circonférentielle dudit tube flexible (5); lesdites parties de sièges de liaison (9e, 9f) étant formées de telle façon que chaque partie soit découpée à l'opposé de la direction axiale desdits blocs; et les blocs étant agencés de telle façon que les parties de sièges de liaison des blocs adjacents se recouvrent l'une l'autre dans la direction axiale.
  4. Un raccord de douche selon la revendication 1, dans lequel chacun des blocs de ladite pluralité est muni d'une rainure (9b) à sa périphérie extérieure, dans la direction circonférentielle.
  5. Un raccord de douche selon la revendication 1 ou 2, dans lequel une garniture (11) est divisée en une pluralité de pièces de même nombre que lesdits blocs, chaque pièce divisée étant agencée de telle façon que les parties d'extrémité voisines des blocs adjacents puissent être recouvertes.
  6. Un raccord de douche selon l'une des revendications 1 à 5, dans lequel ledit organe élastique (10) est un ressort hélicoïdal qui présente une forme annulaire correspondant auxdits blocs.
EP91119376A 1990-11-15 1991-11-13 Mecanisme d'évacuation d'eau d'un tuyau pour un raccord de douche extensible Expired - Lifetime EP0486000B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP120355/90U 1990-11-15
JP1990120355U JP2528516Y2 (ja) 1990-11-15 1990-11-15 シャワー装置のホース水切り機構

Publications (2)

Publication Number Publication Date
EP0486000A1 EP0486000A1 (fr) 1992-05-20
EP0486000B1 true EP0486000B1 (fr) 1995-04-12

Family

ID=14784167

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91119376A Expired - Lifetime EP0486000B1 (fr) 1990-11-15 1991-11-13 Mecanisme d'évacuation d'eau d'un tuyau pour un raccord de douche extensible

Country Status (5)

Country Link
EP (1) EP0486000B1 (fr)
JP (1) JP2528516Y2 (fr)
KR (1) KR960005701B1 (fr)
AT (1) ATE121153T1 (fr)
DE (1) DE69108853T2 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT230426Y1 (it) * 1993-09-24 1999-06-07 Teuco Guzzini Srl Dispositivo di sostegno e scorrimento per doccia estraibile
JP3689309B2 (ja) * 2000-04-28 2005-08-31 株式会社Ｉｎａｘ ホース収納式水栓
SG103864A1 (en) * 2002-05-30 2004-05-26 Rigel Technology S Pte Ltd A wall mountable shower head
US6845526B2 (en) * 2003-01-14 2005-01-25 Moen Incorporated Pullout spray head docking collar with enhanced retaining force
DE10335652A1 (de) 2003-07-29 2005-02-24 Hansgrohe Ag Halterungsanordnung für eine Brause
DE102012011478B4 (de) 2012-06-12 2024-01-25 Grohe Ag Armatur mit geführtem ausziehbarem Auslauf
JP6489492B2 (ja) * 2014-05-28 2019-03-27 Toto株式会社 水栓装置及びスパウト
JP6934631B2 (ja) * 2017-11-30 2021-09-15 パナソニックＩｐマネジメント株式会社 水栓装置
KR102398559B1 (ko) 2020-05-22 2022-05-16 손영삼 샤워호스용 커넥터

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3339849A1 (de) * 1983-11-04 1985-05-15 Friedrich Grohe Armaturenfabrik Gmbh & Co, 5870 Hemer Halterung fuer handbrausen
DE8715230U1 (fr) * 1987-11-17 1988-01-07 Wella Ag, 6100 Darmstadt, De
DE8716239U1 (fr) * 1987-12-09 1988-01-21 Kludi-Armaturen Paul Scheffer, 5758 Froendenberg, De

Also Published As

Publication number Publication date
DE69108853T2 (de) 1995-08-24
ATE121153T1 (de) 1995-04-15
KR920009367A (ko) 1992-06-25
KR960005701B1 (ko) 1996-05-01
DE69108853D1 (de) 1995-05-18
JP2528516Y2 (ja) 1997-03-12
EP0486000A1 (fr) 1992-05-20
JPH0477394U (fr) 1992-07-06

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