EP3957790B1 - Waschmaschine mit einem laugenbehälter mit rippen - Google Patents

Waschmaschine mit einem laugenbehälter mit rippen Download PDF

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Publication number
EP3957790B1
EP3957790B1 EP21187569.5A EP21187569A EP3957790B1 EP 3957790 B1 EP3957790 B1 EP 3957790B1 EP 21187569 A EP21187569 A EP 21187569A EP 3957790 B1 EP3957790 B1 EP 3957790B1
Authority
EP
European Patent Office
Prior art keywords
ribs
tub
bearing mount
face wall
bridges
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.)
Active
Application number
EP21187569.5A
Other languages
English (en)
French (fr)
Other versions
EP3957790A1 (de
Inventor
Cahit ATAGUN
Yunus Emre AYDOGDU
Yasin BALLI
Recep Ayas
Mecid FILIZ
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.)
Arcelik AS
Original Assignee
Arcelik AS
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Filing date
Publication date
Application filed by Arcelik AS filed Critical Arcelik AS
Publication of EP3957790A1 publication Critical patent/EP3957790A1/de
Application granted granted Critical
Publication of EP3957790B1 publication Critical patent/EP3957790B1/de
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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
    • D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
    • D06F37/26—Casings; Tubs
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces

Definitions

  • the present invention relates to a washing machine, in particular to a washing machine having a tub with ribs.
  • the washing machines comprises a drum wherein the articles to be washed are placed.
  • the drum comprises plurality of perforations so as to allow the water freely circulate inside and outside the drum.
  • the drum is confined by means of a tub, preferably made of a plastic material.
  • the tub along with seals, prevents the water from escaping the tub.
  • forces created by the motor is concentrated at the rear side of the tub.
  • different reasons may cause unbalanced weight which is undesired as it results in vibration and physical damage to the operational parts of the washing machine.
  • An example of such a situation is wherein the user partially loads the washing machine, leaving most of the drum empty.
  • the load caused by the articles inside the drum and the tub is transmitted to the main bearing and the rear face of the tub.
  • the end face of the tub comprises ribs and similar support structure so as to divide the tension to protect the main bearing and the bearing mount.
  • a prior art publication in the technical field of the present invention may be referred to as US2013255328A1 among others, the document disclosing a washing machine including a cylindrical casing and an end wall sealing the cylindrical casing.
  • WO2007126167A1 A prior art publication in the technical field of the present invention may be referred to as WO2007126167A1 among others, the document disclosing a washing machine having a tub wherein the tub has a structurally strengthened rear and a washing machine with the same therein.
  • a prior art publication in the technical field of the present invention may be referred to as US5329791A among others, the document relating to a plastic washtub used preferably in household clothes washing machines having a rigid structure formed by a cylindrical wall.
  • Another prior art publication in the technical field of the present invention may be referred to as US2007062225 A1 among others, the document relating to a suds container for a washing machine and method for making a suds container.
  • An objective of the present invention is to decrease the amount of material used in manufacturing of the tub and especially the end face wall of the tub.
  • Another objective of the present invention is to provide a tub having a reinforced structure.
  • a tub for a washing machine comprises a body and a door pivotably attached onto the body between a closed and an open position. During the open position of the door, the users may load the washing machine with articles to be washed.
  • the washing machine comprises a drum and a tub concentric with the drum.
  • the tub is produced from a synthetic material such as plastic.
  • the tub comprises a cylindrical casing surrounding the drum.
  • the cylindrical casing comprises an end face wall.
  • the end face wall is located opposite to the opening formed by the door and through which the shaft of the motor passes.
  • the motor shaft is seated inside a bearing mount provided on the end face wall.
  • the end face wall comprises plurality of ribs, extending radially away from the bearing mount.
  • the ribs provides structural support and provides a rigid end face wall.
  • the bearing mount is in the circular shape and the ribs are arranged around and away from the bearing mount.
  • the ribs are connected to neighboring ribs by means of bridges wherein the bridges have a wave form.
  • the wave form provides improved structural strength.
  • the bridges provide distribution of loads, when and if the user partially loads the drum thereby creating an uneven load of articles to be washed.
  • the bridges, ribs and the bearing mount are integrally formed onto end face wall.
  • the ribs are arranged symmetrically around the bearing mount.
  • the projection of the ribs coincides at the center of the bearing mount, meaning that the angle between the ribs is equal.
  • the bridges comprise nodes.
  • the nodes are equidistant to the bearing and lie on a singular line concentric with bearing mount.
  • the nodes being located on a singular line provides structural integrity and assures that the tub and therefore the end face wall can withstand uneven and high loads.
  • the bridges form a parabolic, hyperbolic or a higher order curve.
  • the manufacturer can change the form of the wave, depending on washing capacity of the washing machine.
  • the end face wall comprises a planar surface partially delimited by consecutive ribs and the bridge in between the ribs.
  • the end face wall comprises a first ring interconnecting the ends of the ribs which are away from the bearing mount.
  • the first ring is concentric with the bearing mount.
  • the end face wall comprises at least a second ring wherein the second ring is concentric with the bearing mount and the first ring.
  • the second ring provides further structural strength.
  • the first ring and the second ring are in the form of a continuous protrusion. More preferably, the said rings are in the form of a conical protrusion.
  • the tub can be produced from limited material, thereby decreasing the manufacturing costs.
  • Another advantageous effect provided by means of this invention is that the structure of the tub and the end face wall is improved, providing structural strength.
  • Another advantageous effect provided by means of the bearing mount having a differentiating wave form is that the end face wall and tub can be used for washing machines with slight variation thereby decreasing manufacturing costs.
  • the present invention relates to a washing machine comprising; a tub for a washing machine having a front opening for loading and unloading items to be washed, the tub comprising; a cylindrical casing including an end face wall (1) formed to include a bearing mount (2) adapted to receive a shaft of a drum rotatable within the tub, a plurality of ribs (3) integrally formed with said end face wall (2) and extending radially outwardly from said bearing mount (2).
  • the tub comprises the ribs (3) wherein the ribs (3) are connected to neighboring ribs (3) by means of bridges (4) having a wave form integrally formed with the bearing mount (2).
  • the tub is mainly composed of the end face wall (1) and the cylindrical casing.
  • the end face wall (1) is at the rear face of the cylindrical casing.
  • the end face wall (1) comprises plurality of ribs (3) formed integrally with the end face wall (1).
  • the ribs (3) are located around the bearing mount (2) and extend radially outwardly from said bearing mount (2).
  • the ribs (3) are connected to neighboring ribs (3) by means of bridges (4).
  • the bridges (4) are integrally formed onto the end face wall (1) and the bearing mount (2).
  • the bridges (4) provide distribution of uneven loads among the neighboring ribs (3) and along the end face wall (1).
  • the structural strength of the tub and the end face wall (1) is improved.
  • Another advantageous effect provided by means of the ribs (3) and the bridge (4) is that the material used for manufacturing of the tub and therefore the end face wall (1) is decreased.
  • the ribs (3) are arranged symmetrically about said bearing mount (2).
  • the ribs (3) are integrally formed on the end face wall (1) and are configured to be symmetrical with respect to the bearing mount (2).
  • the ribs (3) extend radially away from the bearing mount (2).
  • the projections of the ribs (3) coincide at the center of the bearing mount (2) and forms an angle which is almost equal to the angle formed between neighboring ribs (3).
  • the symmetrical structure provides a structurally strong tub and end face wall (1) which can withstand high and uneven loads even at high revolution per minute values of the washing machine.
  • the bridges (4) comprise nodes which, collectively, lie on a single circular line concentric to said bearing mount (2).
  • the bridges (4) comprises nodes.
  • the nodes are located equidistant from the ends of the bridge (4) and provides further structural support.
  • the bridges (4) from a a parabolic or a hyperbolic or a higher order curve. Washing machines have varying weight capacities. The curvature of the bridges (4) can be changed according to varying weight capacities of the washing machines.
  • the end face wall (1) comprises a planar surface (5) in between the ribs (3) and the bridges (4).
  • the planar surface formed in between the ribs (3) and the bridges (4) helps reduce the material used for the manufacturing of the end face wall (1) meanwhile helping maintaining structural support of the end face wall (1).
  • the end face wall (1) comprises a first ring (6) interconnecting the ends of the ribs (3) away from the bearing mount (2), forming a circular line concentric to said bearing mount (2).
  • the first ring (1) is in the form of a circular protrusion and interconnects the ends of the ribs (3) that are away from the bearing mount (2).
  • the first ring is formed so as to be concentric with the bearing mount (2).
  • the first ring (6) provides further structural strength.
  • the end face wall (1) comprises at least a second ring (7) forming a circular line concentric to said bearing mount (2).
  • the first ring (6), the second ring (7) and the bearing mount (2) are concentric, which helps increase the structural integrity of the tub and therefore that of the end face wall (1).
  • Number of second rings (7) can be increased or decreases depending on the requirements of the washing machine.
  • both of the rings (6,7) taken the cross sectional area, are in the form of a conical protrusion. Additionally, the height of the rings (6,7) can be changed depending on the weight requirements of the washing machine.
  • Another advantageous effect provided by means of the bridges (4) and the ribs (3) is that the material required to manufacture the tub is decreased thanks to the high load carrying capacity the bridges (4) and the ribs (3) have.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)

Claims (6)

  1. Eine Wanne, für eine Waschmaschine mit einer vorderen Öffnung zum Beladen und Entladen von zu waschenden Gegenständen, wobei der Bottich umfasst:
    ein zylindrisches Gehäuse mit einer Stirnwand (1), die so ausgebildet ist, dass sie eine Lagerhalterung (2) enthält, die angepasst ist, um eine Welle einer innerhalb der Wanne drehbaren Trommel aufzunehmen,
    eine Vielzahl von Gestellen (3), die einstückig mit der Endflächenwand (2) ausgebildet sind und sich von der Lagerhalterung (2) radial nach außen erstrecken,
    wobei
    die Gestellen (3) sind mit benachbarten Gestellen (3) mittels Stegen (4) verbunden, die eine Wellenform aufweisen, die einstückig mit dem Lagerträger (2) ausgebildet sind,
    gekennzeichnet ist sie durch
    die Stirnwand (1), die zwischen den Gestellen (3) und den Stegen (4) eine ebene Fläche (5) aufweist.
  2. Eine Wanne, wie in Anspruch 1 aufgeführt wobei die Gestelle (3) symmetrisch um die Lagerhalterung (2) herum angeordnet sind.
  3. Eine Wanne, wie in einem der vorher aufgeführten Ansprüchen, wobei die Stege (4) Knoten umfassen, die zusammen auf einer einzigen kreisförmigen Linie liegen, die konzentrisch zu der Lagerhalterung (2) ist.
  4. Eine Wanne, wie in einem der vorher aufgeführten Ansprüchen, wobei die Stege (4) aus einer Parabel oder einer Hyperbel oder einer Kurve höherer Ordnung bestehen.
  5. Eine Wanne, wie in einem der vorher aufgeführten Ansprüchen, wobei die Stirnwand (1) einen ersten Ring (6) aufweist, der die Enden der Gestelle (3) entfernt von der Lagerhalterung (2) miteinander verbindet und eine kreisförmige Linie bildet, die konzentrisch zu der Lagerhalterung (2) ist.
  6. Eine Wanne, wie in einem der vorherigen Ansprüchen, wobei die Stirnwand (1) mindestens einen zweiten Ring (7) umfasst, der eine kreisförmige Linie bildet, die konzentrisch zu der Lagerhalterung (2) ist.
EP21187569.5A 2020-08-21 2021-07-25 Waschmaschine mit einem laugenbehälter mit rippen Active EP3957790B1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TR2020/13260A TR202013260A2 (tr) 2020-08-21 2020-08-21 Federlere Sahip Bir Kazan Içeren Çamaşir Makinesi

Publications (2)

Publication Number Publication Date
EP3957790A1 EP3957790A1 (de) 2022-02-23
EP3957790B1 true EP3957790B1 (de) 2023-09-06

Family

ID=77050863

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21187569.5A Active EP3957790B1 (de) 2020-08-21 2021-07-25 Waschmaschine mit einem laugenbehälter mit rippen

Country Status (2)

Country Link
EP (1) EP3957790B1 (de)
TR (1) TR202013260A2 (de)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT225670Y1 (it) 1991-11-27 1997-01-13 Zanussi Elettrodomestici Vasca in plastica perfezionata
DE102005045178B3 (de) * 2005-09-21 2006-10-12 Miele & Cie. Kg Kunststofflaugenbehälter für eine Waschmaschine und Verfahren zur Herstellung eines Kunststofflaugenbehälters
DE112006003872B4 (de) 2006-04-28 2013-05-16 Lg Electronics Inc. Wanne für eine Waschmaschine
DE102007044883A1 (de) 2007-09-20 2009-04-09 BSH Bosch und Siemens Hausgeräte GmbH Kunststoff-Laugenbehälter für eine Waschmaschine oder einen Waschtrockner
KR20180136795A (ko) * 2017-06-15 2018-12-26 주식회사 대우전자 벽걸이형 드럼 세탁기

Also Published As

Publication number Publication date
TR202013260A2 (tr) 2022-03-21
EP3957790A1 (de) 2022-02-23

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