WO2014075948A1 - Machine à laver dotée d'un volet sur le tuyau de vidange de la cuve - Google Patents

Machine à laver dotée d'un volet sur le tuyau de vidange de la cuve Download PDF

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Publication number
WO2014075948A1
WO2014075948A1 PCT/EP2013/073013 EP2013073013W WO2014075948A1 WO 2014075948 A1 WO2014075948 A1 WO 2014075948A1 EP 2013073013 W EP2013073013 W EP 2013073013W WO 2014075948 A1 WO2014075948 A1 WO 2014075948A1
Authority
WO
WIPO (PCT)
Prior art keywords
flap
tub
washing machine
drain hose
tub drain
Prior art date
Application number
PCT/EP2013/073013
Other languages
English (en)
Inventor
Ferudun Arabaci
Turhan Mutlu
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
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 BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP13791767.0A priority Critical patent/EP2920350B1/fr
Publication of WO2014075948A1 publication Critical patent/WO2014075948A1/fr

Links

Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06F—LAUNDERING, DRYING, IRONING, PRESSING OR FOLDING TEXTILE ARTICLES
    • D06F39/00—Details of washing machines not specific to a single type of machines covered by groups D06F9/00 - D06F27/00 
    • D06F39/08—Liquid supply or discharge arrangements
    • D06F39/083—Liquid discharge or recirculation arrangements
    • D06F39/086—Arrangements for avoiding detergent wastage in the discharge conduit

Definitions

  • the present invention relates to a washing machine comprising a tub in which washing takes place, a tub drain outlet draining water out of the tub after washing, a tub drain hose having an inner wall in connection with the tub drain outlet, and a circular flap disposed in the tub drain hose.
  • Washing machines are equipped with a tub drain outlet for draining away laundry water from the tub following a washing cycle, as well as a tub drain hose in connection with the tub drain outlet and a drain pump.
  • a clearance in the tub drain outlet causes the detergent taken from the detergent box prior to washing to leave the tub together with some amount of water, and to flow into the tub drain hose. This, in turn, diminishes the washing performance of the respective washing machine.
  • GB21741 10 describes a valve device disposed in a tube discharge hose of a washing machine.
  • the valve device is made from a resilient clack valve, which is held in a closed state by means of the hydrostatic water pressure in the discharge hose when a drain pump disposed therein is not in operation.
  • DE102010042038 describes a floating body disposed in a connection part of a water drain system to a tub in a washing machine.
  • the washing machine comprises a water tub having a drain opening which is closed by the floating body.
  • a liquid outlet system comprises an outlet line and a drain hose, wherein the liquid outlet system is connected to the water tub.
  • a chamber has a freely floating lifting body as a closing part. Additionally, an annular elastic sealing lip is arranged on an inner wall of the chamber of the drain hose.
  • the object of the present invention is to provide a washing machine equipped with a flap at a tub outlet thereof preventing detergent from flowing out of the tub of the machine.
  • the present invention provides a washing machine comprising a tub in which washing takes place, a tub drain outlet draining water out of the tub after washing, a tub drain hose with an inner wall in connection with the tub drain outlet, and a circular flap disposed in the tub drain hose.
  • the flap comprises at least one first wing and at least one second wing disposed at an obtuse angle to each other, and the flap is connected to the tub drain hose so that the flap is partially movable about an assembly axis defined by a folding line joining together the first wing and the second wing.
  • a clearance is provided between the first wing and the inner wall to allow water to flow when the water from the tub exerts pressure to the flap. The buoyancy of water in the tub drain hose, in turn, brings back the flap to equilibrium.
  • the flap comprises two tabs disposed at the two opposite ends of the folding line so as to be mounted to the inner wall.
  • the flap is mounted to the inner wall through the tabs only such that the body of the flap can move freely.
  • the tub drain hose comprises two vertical grooves in the inner wall for receiving the tabs. In this way, the flap is mounted to the inner wall.
  • the tub drain hose comprises a peripheral groove disposed along the inner wall at the continuation of the vertical grooves.
  • the flap comprises a sealing member disposed along the wall thereof.
  • the angle between the wings is between 120 and 170 degrees, preferably 150 degrees.
  • the sealing member is a flexible o-ring made of a rubber material in a conical form.
  • a fixation member is provided for covering the vertical grooves.
  • the flap is kept from dislocating from the vertical grooves.
  • Figure 1 is a representative view of a washing machine comprising a flap according to the present invention.
  • Figure 2 is a representative view of the flap according to the present invention in the washing machine.
  • Figure 3a is a representative top view of the flap according to the present invention.
  • Figure 3b is a representative side view of the flap according to the present invention.
  • Figure 3c is a cross-sectional view of a sealing member of the flap according to the present invention.
  • Figure 4 is a representative view of the placement of the flap according to the present invention in a tub drain hose thereof.
  • washing machine comprising a flap at a tub drain hose thereof shall be described illustratively by making reference to annexed figures, only for clarification, without imposing any restrictions thereon.
  • a washing machine comprises a tub (20) in which a drum is disposed (10) in which washing takes place, a tub drain outlet (21 ) draining water out of the tub (20) after washing, a tub drain hose (30) in connection with the tub drain outlet (21 ), as well as a drain pump (40) connected to the tub drain hose (30).
  • a flap (50) made of plastic or a rubber material to be placed into the tub drain hose (30) comprises a body (51 ) comprising a semicircular first wing (51 1 ) and a semicircular second wing (512), which are disposed at an obtuse angle (a) between 120 and 170 degrees with respect to each other.
  • the angle corresponds to 150 degrees.
  • the first wing (51 1 ) and the second wing (512) are monolithic with the straight edges of the semicircles facing each other, wherein the flap (50) has a folding line (514) at which the straight edges come into contact, thereby defining an assembly axis (a).
  • a sealing member (53) is provided on a wall (513) of the body (51 ) which surrounds the wall (513) completely, as illustrated in figures 3a and 3c.
  • the sealing member (53) is in the form of a flexible o-ring made of a rubber material in a conical form.
  • the tub drain hose (30) comprises a hose inlet (31 ) by which the hose is connected to the tube drain (21 ), as well as an inner wall (32) having an annular groove therein.
  • Two opposite vertical grooves (321 ) are made in the inner wall (32) within the periphery of the hose inlet (31 ), said grooves being complementary in form to the tabs (52) disposed on the flap (50).
  • the annular groove (322) is structured so that the tabs (52) on the flap (50) can move horizontally.
  • the tabs (52) of the flap are inserted into the vertical grooves (321 ) disposed in the inner wall (32) of the tub drain hose (30), after which the tabs (52) can be moved horizontally within the annular groove (322).
  • the flap (50) can be turned within the tub drain hose (30).
  • the sealing member (53) of the flap comes in contact with the inner wall (32) of the tub drain hose (30) to provide a sealing contact.
  • the vertical grooves (321 ) are optionally locked by means of a fixation element (not illustrated in the figures).
  • the tub (20) is fed with water and detergent through the detergent drawer.
  • the second wing (512) of the flap (50) raises up by virtue of the monolithic structure of the wings (51 1 , 512) of the flap (50); but since this movement is within the limit of elasticity of the sealing member (53), no clearance is formed between the inner wall (32) of the tub drain hose (30) and the sealing member (53) even if the second wing (512) moves. In this way, no leakage occurs between the second wing (512) and the inner wall (32).
  • the flap (50) can be mounted to the tub drain outlet (21 ) in a similar way as it is mounted to the tub drain hose (30).
  • the mounting of the flap to the tub drain hose (30) is simpler as compared to the tub drain outlet (21 ). After the flap is mounted to the tub drain hose (30), it is secured to the tub drain outlet (21 ) by means of fixation means.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Detail Structures Of Washing Machines And Dryers (AREA)

Abstract

La présente invention concerne une machine à laver qui comprend une cuve (20) dans laquelle le lavage se produit, une sortie (21) de vidange de cuve drainant l'eau hors de la cuve (20) à la suite du lavage, un tuyau (30) de vidange de cuve doté d'une paroi interne (32) en connexion avec la sortie (21) de vidange de cuve et un volet circulaire (50) disposé dans le tuyau (30) de vidange de cuve. La nouveauté de la présente invention est que le volet (50) comprend au moins une première aile (511) et au moins une seconde aile (512) disposées selon un angle obtus (a) l'une par rapport à l'autre et le volet (50) est connecté au tuyau (30) de vidange de cuve, de sorte que le volet (50) soit partiellement mobile autour d'un axe d'assemblage (a) défini par une ligne de pliage (514) reliant la première aile (511) et la seconde aile (512).
PCT/EP2013/073013 2012-11-14 2013-11-05 Machine à laver dotée d'un volet sur le tuyau de vidange de la cuve WO2014075948A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP13791767.0A EP2920350B1 (fr) 2012-11-14 2013-11-05 Machine à laver dotée d'un volet sur le tuyau de vidange de la cuve

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
TR2012/13137 2012-11-14
TR201213137 2012-11-14

Publications (1)

Publication Number Publication Date
WO2014075948A1 true WO2014075948A1 (fr) 2014-05-22

Family

ID=49584701

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2013/073013 WO2014075948A1 (fr) 2012-11-14 2013-11-05 Machine à laver dotée d'un volet sur le tuyau de vidange de la cuve

Country Status (2)

Country Link
EP (1) EP2920350B1 (fr)
WO (1) WO2014075948A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712093A1 (de) * 1977-03-19 1978-09-21 Bauknecht Gmbh G Waschmaschine oder waschtrockner
GB2174110A (en) 1985-04-25 1986-10-29 Licentia Gmbh Reducing detergent wastage in a washing machine
FR2836936A1 (fr) * 2002-03-06 2003-09-12 Barndt Ind Dispositif d'evacuation pour un lave-linge ou similaire
DE102010042038A1 (de) 2010-10-06 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Schließvorrichtung für den Laugenbehälter einer Wäschebehandlungsmaschine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2712093A1 (de) * 1977-03-19 1978-09-21 Bauknecht Gmbh G Waschmaschine oder waschtrockner
GB2174110A (en) 1985-04-25 1986-10-29 Licentia Gmbh Reducing detergent wastage in a washing machine
FR2836936A1 (fr) * 2002-03-06 2003-09-12 Barndt Ind Dispositif d'evacuation pour un lave-linge ou similaire
DE102010042038A1 (de) 2010-10-06 2012-04-12 BSH Bosch und Siemens Hausgeräte GmbH Schließvorrichtung für den Laugenbehälter einer Wäschebehandlungsmaschine

Also Published As

Publication number Publication date
EP2920350B1 (fr) 2017-02-01
EP2920350A1 (fr) 2015-09-23

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