EP2238284B1 - Drum for a laundry treatment machine - Google Patents
Drum for a laundry treatment machine Download PDFInfo
- Publication number
- EP2238284B1 EP2238284B1 EP09702635A EP09702635A EP2238284B1 EP 2238284 B1 EP2238284 B1 EP 2238284B1 EP 09702635 A EP09702635 A EP 09702635A EP 09702635 A EP09702635 A EP 09702635A EP 2238284 B1 EP2238284 B1 EP 2238284B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- drum
- rows
- stampings
- width
- casing
- 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
Links
Images
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
- D06F58/00—Domestic laundry dryers
- D06F58/02—Domestic laundry dryers having dryer drums rotating about a horizontal axis
- D06F58/04—Details
-
- 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
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
- D06F37/06—Ribs, lifters, or rubbing means forming part of the receptacle
Definitions
- Such a drum is out DE 10 2006 010 179 A1 known.
- the drum shell in each case along a line along the circumferential direction of individual elements of vault structures are arranged lying in the alignment of the drum shell contour forms a surface with several continuous merging arcuate boundaries and has only a single axis of symmetry, at least approximately in the circumferential direction the drum shell runs.
- flood holes are provided, through which an exchange between the interior of the drum and its surroundings can take place.
- the drum coats have transversely to the circumferential direction strips or ribs.
- This interior structure formed thereby is intended to mimic the effect of a washboard, in the use of which the laundry was rubbed by hand on the wave structure.
- This effect can assist the mechanical treatment of the laundry; he is therefore advocated by laundry experts.
- the drum from the DE 10 2006 010 179 A1 can not sufficiently show this effect because the number of elements is too small.
- a drum shell with pure wave or rib structure is not stable enough and is also in manufacturing terms a not a small problem, because a jacket plate with wave or rib structure can be very difficult to connect to the bottoms of the drum.
- FIGS. 2 and 3 illustrated sections through the drum shell 5, which is equipped in these examples of liquid-carried laundry treatment processes with flood holes 8, sitting in the steep flanks 10 of the prismatic embossing 5.
- the transitions between the steep (10) and the flat flanks 9 are reproduced heavily rounded. But you can also look similar in appearance Fig. 1 be more sharp-edged.
- the embossings 5 also have side surfaces 25 which are at least approximately perpendicular to the drum shell 5.
- one of these side surfaces 25 of an embossing 5 is represented by a screened surface.
- the section in Fig. 5 also has embossments 16 of the width 14. They are opposite the embossments 13 in Fig. 4 but only half as long (length 17). Therefore, their aspect ratio is 4 to 5: 1. From this shape of the embossments 16 also go three rows on the width M of the drum shell. 5
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Treatment Of Fiber Materials (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
Abstract
Description
Die Erfindung betrifft eine Trommel für eine Wäschebehandlungsmaschine, wobei die Trommel innerhalb des Gehäuses der Wäschebehandlungsmaschine drehbar gelagert ist und mindestens eine Bodenscheibe sowie einen Mantel aufweist, die einzeln oder beide mit einer Wölbstruktur versehen sind.The invention relates to a drum for a laundry treatment machine, wherein the drum is rotatably mounted within the housing of the laundry treating machine and has at least one bottom plate and a jacket, which are provided individually or both with a bulge structure.
Eine derartige Trommel ist aus
In
Der Erfindung liegt daher die Aufgabe zugrunde, die Vorteile der Vorschläge aus dem Stande der Technik so miteinander zu vereinigen, dass eine Drehrichtungsabhängig unterschiedliche Wirkung erzielt werden kann, dass die Flutlöcher für die WäscheThe invention is therefore based on the object, the advantages of the proposals from the prior art together so that a direction of rotation dependent different effect can be achieved that the flood holes for the laundry
schonender angeordnet und verteilt werden können und dass die Struktur eine eigene Schöpfwirkung mitbringt, durch die aus einer unten im Laugenbehälter vorrätigen Wassermenge während der Trommeldrehung Wasser geschöpft und von oben auf die Wäsche gefördert werden kann.can be arranged and distributed gently and that the structure has its own scooping action, can be drawn from the bottom of the tub stocked amount of water during the drum rotation water and promoted from the top of the laundry.
Erfindungsgemäß wird diese Aufgabe durch die im Kennzeichen des Anspruches 1 beschriebenen Merkmale in der der Weise gelöst, dass die Wölbstruktur aus mindestens zwei die Trommel wenigstens teilweise umfassenden Reihen von prismenartigen Prägungen mit einer im Wesentlichen rechteckigen Grundfläche besteht, von den die eine in Umfangsrichtung der Trommel gerichtete Fläche in einem steilen Winkel, die entgegen gerichtete Fläche in einem flachen Winkel und von denen die Seitenflächen in einem wenigstens nahezu rechten Winkel zum Mantel stehen. Solche prismenartigen Prägungen, die in dichten Reihen vor- und nebeneinander in das Mantelblech geprägt sind, ahmen den Kunden überzeugende Waschbett-Wellenstrukturen des Standes der Technik nach, sind durch Prägepressen sehr einfach umzusetzen und sind aufgrund ihrer Vielzahl an der erforderlichen Waschmechanik wesentlich beteiligt. Durch die unterschiedliche Steilheit der Prismenflächen verbessern sich die Wäscheverteilung innerhalb der Trommel und die Entwässerung der Wäsche während des Schleudergangs; denn die Wirkflächen sind voneinander getrennt: Die flache ungelochte Fläche sorgt mit hohem Anpressdruck der Wäsche für die Entwässerung und die steile, gelochte Fläche für eine gute und barrierefrei Wasserabfuhr. Durch die verstärkte Schöpfwirkung kann der Wasserstand am Boden des umgebenden Laugenbehälters abgesenkt werden, wodurch die sogenannte tote Flotte vermindert wird. Letztendlich lässt die neue Struktur auch eine Erhöhung der Steifigkeit der gesamten Trommel erkennen.According to the invention, this object is achieved by the features described in the characterizing part of
Je nach konstruktiven Umfeldbedingungen können die Prägungen eine auf der Außenseite oder auf die Innenseite des Mantels sich aufwölbende Struktur bilden. Da die Prägungen jedenfalls vor dem Rollen des Trommelmantels hergestellt werden, können die Prägungen im Wesentlichen gleich gestaltet sein. Lediglich die Flutlöcher sollten, sofern die Trommel in einer Flüssigkeit führenden Wäschebehandlungsmaschine angewendet wird, von der Innenseite zur Außenseite gerichtet sein.Depending on the design environment conditions, the embossing can form a structure bulging on the outside or on the inside of the jacket. In any case, since the embossments are made prior to rolling the drum shell, the embossments can be made substantially the same. Only the flood holes should be directed from the inside to the outside, as far as the drum is used in a liquid-conducting laundry treatment machine.
Die Entscheidung über die Abmessungen und der Anordnungen der einzelnen Prägungen zueinander muss ebenfalls den konstruktiven Umfeldbedingungen vorbehalten bleiben, die mit den Prozessabläufen der Wäschebehandlung abgestimmt werden sollten. Beispielsweise kann die Breite der rechteckigen Grundfläche etwa ihrer Länge oder dem Doppelten ihrer Länge u.s.w. entsprechen. Auch können die nebeneinander liegenden Reihen so zueinander versetzt sein, dass benachbarte Prägungen nicht miteinander korrespondieren. Auch die gemischte Anwendung von Prägungen unterschiedlicher Abmessungen, die zueinander in einem geradzahligen Verhältnis stehen sollten, um die erwünschte Rippenstruktur zu erhalten, kann erwogen werden.The decision on the dimensions and the arrangements of the individual embossments to each other must also be reserved for the design environment conditions that should be coordinated with the processes of the laundry treatment. For example, the width of the rectangular base about their length or twice their length u.s.w. correspond. Also, the adjacent rows may be offset from each other so that adjacent imprints do not correspond to each other. Also, the mixed application of embossments of different dimensions, which should be in an even relationship to each other to obtain the desired rib structure, can be considered.
Anhand von in der Zeichnung dargestellten Ausführungsbeispielen ist die Erfindung nachstehend erläutert. Es zeigen
- Fig. 1
- eine Wäschetrommel einer Wäschebehandlungsmaschine mit drei Reihen von in den Trommelmantel von innen nach außen geprägten prismenartigen Elementen,
- Fig. 2
- anhand eines entlang der Umfangsrichtung verlaufenden Schnitts durch den Trommelmantel das Verhältnis von Trommeldrehung zu Laugenfluss bei einer von außen nach innen geprägten Struktur,
- Fig. 3
- Trommeldrehung und Laugenfluss entsprechend
Fig. 2 bei einer von innen nach außen geprägten Struktur, - Fig. 4
- einen Abschnitt eines Trommelmantels vor dem Rollen zu einem Zy- linder mit Prägungen in einem Verhältnis von Breite (Abmessung pa- rallel zur Trommelachse) zur Länge (Abmessung in Umfangsrich- tung) der rechteckigen Grundfläche von 2 : 1 bei der Verteilung von drei Reihen von Prägungen auf der gesamten Breite des Trommel- mantels,
- Fig. 5
- einen Abschnitt gemäß
Fig. 4 mit einem Seitenverhältnis von 4 : 1 und ebenfalls drei Reihen von Prägungen, - Fig. 6
- einen Abschnitt gemäß
Fig. 4 mit einem Seitenverhältnis von 2 : 1 und sechs Reihen von Prägungen, - Fig. 7
- einen Abschnitt gemäß
Fig. 4 , bei dem die nebeneinander liegenden Prägungen zueinander um eine halbe Länge versetzt sind, - Fig. 8
- einen Abschnitt gemäß
Fig. 5 , bei dem die nebeneinander liegenden Prägungen zueinander um eine halbe Länge versetzt sind, - Fig. 9
- einen Abschnitt gemäß
Fig. 7 , bei dem die nebeneinander liegenden Prägungen zueinander um eine halbe Länge versetzt sind, und - Fig. 10
- einen Abschnitt gemäß
Fig. 6 , bei dem Prägungen mit unterschiedli- chen Seitenverhältnissen gemischt angeordnet sind.
- Fig. 1
- a laundry drum of a laundry treatment machine with three rows of prismatic elements embossed in the drum casing from the inside to the outside,
- Fig. 2
- the ratio of drum rotation to lye flow in the case of an externally embossed structure on the basis of a section along the circumferential direction through the drum shell;
- Fig. 3
- Drum rotation and lye flow accordingly
Fig. 2 in a structure that is characterized from the inside out, - Fig. 4
- a section of a drum shell prior to rolling into a cylinder with imprints in a ratio of width (dimension parallel to the drum axis) to length (dimension in the circumferential direction) of the rectangular base of 2: 1 in the distribution of three rows of Embossing on the entire width of the drum shell,
- Fig. 5
- a section according to
Fig. 4 with an aspect ratio of 4: 1 and also three rows of imprints, - Fig. 6
- a section according to
Fig. 4 with an aspect ratio of 2: 1 and six rows of imprints, - Fig. 7
- a section according to
Fig. 4 in which the adjacent imprints are offset from one another by half a length, - Fig. 8
- a section according to
Fig. 5 in which the adjacent imprints are offset from one another by half a length, - Fig. 9
- a section according to
Fig. 7 in which the adjacent imprints are offset from each other by half a length, and - Fig. 10
- a section according to
Fig. 6 in which embossments with different aspect ratios are mixed.
Entlang einer solchen Umfangslinie 7 verlaufen die in
Bei der in
Der in
Der Abschnitt in
Sechs Reihen von Prägungen 18 gehen auf die Breite M des Trommelmantels 5 in
Beim Rollen eines Trommelmantel-Bandes der Beispiele gemäß
Beim Beispiel der
Selbstverständlich sind auch andere Kombinationen von Prägungen unterschiedlicher Abmessungen und Proportionen möglich. Dabei sind auch Mischungen unterschiedlichster Prägungen möglich, die einen Versatz in Umfangsrichtung wie auch eine sich schräg über die Reihen erstreckende Folge von gleichartigen Prägungen zulassen. Auch durch Mischungen von Prägungen, die in unterschiedliche Richtungen gestellt sind, lassen sich vorteilhafte Effekte erzielen. So können beispielsweise in Kombination von unterschiedlichen anderweitigen Ausprägungen des Trommelmantels, z. B. durch unterschiedlich geformte Wäschemitnehmer, in bestimmten Trommelmantel-Bereichen unterschiedliche mechanische Einwirkungen erzielt werden, die durch jeweils unterschiedliche Trommeldrehrichtungen noch unterstützt werden können.Of course, other combinations of imprints of different dimensions and proportions are possible. In this case, mixtures of different embossments are possible, which allow an offset in the circumferential direction as well as an obliquely extending over the series sequence of similar imprints. Even by mixtures of embossments which are placed in different directions, advantageous effects can be achieved. Thus, for example, in combination of different other forms of the drum shell, z. B. by differently shaped Wäschemitnehmer, different mechanical effects are achieved in certain drum shell areas that can be supported by each different drum rotation directions.
Claims (10)
- Drum (1) for a laundry treatment machine, wherein the drum is mounted to be rotatable within a housing of the laundry treatment machine and has at least one base disc (3) as well as a casing (5), which are individually or both provided with a bulged structure, characterised in that the bulged structure consists of at least two rows, which at least partly surround the drum (1), of prismatic stampings (6) with a substantially rectangular plan, of which one surface (10) oriented in circumferential direction (7) of the drum (1) stands at a steep angle and the oppositely directed surface (9) at a flat angle and of which the side surfaces (25) stand at an at least approximate right angle to the casing (5).
- Drum according to claim 1, characterised in that the stampings (6) form an arched structure on the outer side of the casing (5).
- Drum according to claim 1, characterised in that the stampings (6) form an arched structure on the inner side of the casing (5).
- Drum for a liquid-conducting laundry treatment machine according to claim 2 or 3, characterised in that the surface (10), which stands at the steep angle on the casing (5), of the stamping (6) includes flood holes (8).
- Drum according to any one of the preceding claims, characterised in that the width (14) of the rectangular plan approximately corresponds with the length (15) thereof.
- Drum according to any one of claims 1 to 4, characterised in that the width (14, 19) of the rectangular plan approximately corresponds with twice (15, 17) the length thereof.
- Drum according to any one of claims 1 to 4, characterised in that the width (15) of the rectangular plan approximately corresponds with four to five times the length (17) thereof.
- Drum according to any one of claims 1 to 4, characterised in that depending on the respective width (14, 19) of the plan three to twelve rows of stampings (6, 16, 18, 20, 22) are arranged on the width (M) of the casing (5).
- Drum according to any one of the preceding claims, characterised in that the rows are so arranged at the drum circumference that stampings (6) disposed adjacent to one another are aligned with one another.
- Drum according to any one of claims 1 to 8, characterised in that the rows are so arranged that mutually adjacent rows of stampings (6) are offset relative to one another, wherein adjacent stampings (6) do not correspond with one another.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102008004661A DE102008004661A1 (en) | 2008-01-16 | 2008-01-16 | Drum for a laundry treatment machine |
PCT/EP2009/050002 WO2009090107A1 (en) | 2008-01-16 | 2009-01-02 | Drum for a laundry treatment machine |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2238284A1 EP2238284A1 (en) | 2010-10-13 |
EP2238284B1 true EP2238284B1 (en) | 2011-05-18 |
Family
ID=40551258
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP09702635A Active EP2238284B1 (en) | 2008-01-16 | 2009-01-02 | Drum for a laundry treatment machine |
Country Status (7)
Country | Link |
---|---|
US (1) | US8752404B2 (en) |
EP (1) | EP2238284B1 (en) |
CN (1) | CN101910499B (en) |
AT (1) | ATE510060T1 (en) |
DE (1) | DE102008004661A1 (en) |
EA (1) | EA017063B1 (en) |
WO (1) | WO2009090107A1 (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006010179A1 (en) * | 2005-12-28 | 2007-07-05 | BSH Bosch und Siemens Hausgeräte GmbH | Drum with a horizontal axis for a washing machine or tumbler drier has drop-shaped surface bulges with only one axis of symmetry in the circumferential direction |
EP2325367A1 (en) | 2009-11-20 | 2011-05-25 | Vestel Beyaz Esya Sanayi Ve Ticaret A.S. | A drum for washing machines and tumble dryers |
JP5479277B2 (en) * | 2010-09-01 | 2014-04-23 | パナソニック株式会社 | Dehydrator |
DE102011083015B4 (en) * | 2011-09-20 | 2019-08-14 | BSH Hausgeräte GmbH | Laundry drum with drum profile for optimized spin effect |
DE102013201186A1 (en) * | 2013-01-25 | 2014-07-31 | BSH Bosch und Siemens Hausgeräte GmbH | Laundry drum for laundry treatment machine e.g. laundry machine, has intense stiffener for adjusting depth and size of embossments arranged in regions of mechanical loads of drum cladding towards longitudinal axis of drum cladding |
US10036113B2 (en) | 2013-07-22 | 2018-07-31 | Whirlpool Corporation | Laundry treating appliance with embossed container |
CN104420124B (en) * | 2013-08-29 | 2018-05-22 | 青岛海尔滚筒洗衣机有限公司 | A kind of washing machine inner tub and washing machine |
USD761501S1 (en) | 2013-09-27 | 2016-07-12 | Whirlpool Corporation | Container for clothes washing machine |
NL2016259B1 (en) * | 2016-02-15 | 2017-08-22 | Hyperwash B V | Washing device comprising a washing drum with profile elements. |
AU2019332488B2 (en) * | 2018-08-30 | 2023-05-04 | Lg Electronics Inc. | Washing machine |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE70397C (en) | C. STUTE und L. BLUMENTHAL, in Firma STUTE & BLUMENTHAL, in Linden b. Hannover | Washing drum | ||
US1563552A (en) * | 1923-07-03 | 1925-12-01 | Invincible Blow Pipe Company | Washing machine |
US1563522A (en) | 1925-03-06 | 1925-12-01 | Roadless Traction Ltd | Endless track for vehicles |
DE1174738B (en) | 1957-06-06 | 1964-07-30 | Junkers & Co | Drum for washing machines |
DE3544808A1 (en) * | 1985-12-18 | 1987-06-19 | Wfk Testgewebe Gmbh | Washing machine for domestic use, commercial laundries or dry cleaning |
JPS6420898A (en) * | 1987-07-15 | 1989-01-24 | Mitsubishi Electric Corp | Drum type washing machine |
US5881909A (en) * | 1993-02-01 | 1999-03-16 | Maytag Corporation | Plastic washing machine basket |
DE29705226U1 (en) * | 1997-03-22 | 1998-07-23 | AEG Hausgeräte GmbH, 90429 Nürnberg | Washing drum for a washing machine |
DE19951743A1 (en) * | 1999-10-27 | 2001-05-03 | Aeg Hausgeraete Gmbh | The perforated wash drum of a washing mashing machine has a multitude of holes on alternate sides of conical pressings to ease the liquid flow as the drum turns. |
CN1298912C (en) * | 2002-06-07 | 2007-02-07 | 乐金电子(天津)电器有限公司 | Drum equipment of rotating drum washing machine |
US20050229647A1 (en) * | 2004-04-20 | 2005-10-20 | Lg Electronics Inc. | Dryer washer |
DE102004030872A1 (en) * | 2004-06-25 | 2006-01-12 | BSH Bosch und Siemens Hausgeräte GmbH | Washing machine and method for operating the washing machine |
DE102005026175A1 (en) * | 2005-06-06 | 2006-12-07 | BSH Bosch und Siemens Hausgeräte GmbH | Water-conducting household appliance with a laundry drum embossed |
DE102006010179A1 (en) | 2005-12-28 | 2007-07-05 | BSH Bosch und Siemens Hausgeräte GmbH | Drum with a horizontal axis for a washing machine or tumbler drier has drop-shaped surface bulges with only one axis of symmetry in the circumferential direction |
-
2008
- 2008-01-16 DE DE102008004661A patent/DE102008004661A1/en not_active Withdrawn
-
2009
- 2009-01-02 EA EA201070845A patent/EA017063B1/en not_active IP Right Cessation
- 2009-01-02 EP EP09702635A patent/EP2238284B1/en active Active
- 2009-01-02 WO PCT/EP2009/050002 patent/WO2009090107A1/en active Application Filing
- 2009-01-02 US US12/863,013 patent/US8752404B2/en not_active Expired - Fee Related
- 2009-01-02 AT AT09702635T patent/ATE510060T1/en active
- 2009-01-02 CN CN2009801023756A patent/CN101910499B/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20110048080A1 (en) | 2011-03-03 |
EP2238284A1 (en) | 2010-10-13 |
WO2009090107A1 (en) | 2009-07-23 |
EA201070845A1 (en) | 2011-02-28 |
EA017063B1 (en) | 2012-09-28 |
ATE510060T1 (en) | 2011-06-15 |
DE102008004661A1 (en) | 2009-07-23 |
US8752404B2 (en) | 2014-06-17 |
CN101910499A (en) | 2010-12-08 |
CN101910499B (en) | 2012-07-25 |
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