EP1408149A2 - Tambour à machine à laver le linge avec nervures d'entraínement et procedé pour fabriquer un tel tambour - Google Patents

Tambour à machine à laver le linge avec nervures d'entraínement et procedé pour fabriquer un tel tambour Download PDF

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Publication number
EP1408149A2
EP1408149A2 EP03020030A EP03020030A EP1408149A2 EP 1408149 A2 EP1408149 A2 EP 1408149A2 EP 03020030 A EP03020030 A EP 03020030A EP 03020030 A EP03020030 A EP 03020030A EP 1408149 A2 EP1408149 A2 EP 1408149A2
Authority
EP
European Patent Office
Prior art keywords
drum
ribs
washing machine
scoop
scoop ribs
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.)
Granted
Application number
EP03020030A
Other languages
German (de)
English (en)
Other versions
EP1408149B1 (fr
EP1408149A3 (fr
Inventor
Gerhard Burger
Robert Bühlmeyer
Matthias Knoke
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.)
Miele und Cie KG
Original Assignee
Miele und Cie KG
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 Miele und Cie KG filed Critical Miele und Cie KG
Publication of EP1408149A2 publication Critical patent/EP1408149A2/fr
Publication of EP1408149A3 publication Critical patent/EP1408149A3/fr
Application granted granted Critical
Publication of EP1408149B1 publication Critical patent/EP1408149B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • D06F37/02—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
    • 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
    • D06F37/065—Ribs, lifters, or rubbing means forming part of the receptacle ribs or lifters having means for circulating the washing liquid
    • 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
    • D06F37/12—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a vertical axis
    • D06F37/14—Ribs or rubbing means forming part of the receptacle

Definitions

  • the invention relates to a washing machine drum, which in the interior of a tub an at least approximately horizontal axis is rotatably mounted and a hollow cylindrical one Has jacket and two top surfaces, with an opening in the jacket or one of the top surfaces is arranged to hold laundry, arranged on the inside of the drum shell Ladle ribs, which are integral parts of the drum shell and at least themselves extend approximately parallel to the drum axis.
  • the invention also relates to a method for producing such a washing machine drum.
  • the washing machines manufactured and sold by the applicant known to form the scoop ribs as separate, open on the sides bent parts made of sheet metal. They are attached to the drum shell by means of a fold connection and extend over the entire width of the drum shell from a top surface of the drum to others. Around gaps between the side edges of the scoop ribs and the top surfaces To avoid, the ribs are carried out by means of longitudinal studs with the cover surfaces the drum tense. These stud bolts also serve to fasten a bearing cross on the drum, which carries a bearing journal. This creates high strength of the overall structure achieved, which also for drum speeds up to 1800 min-1 Guaranteed cohesion of the individual components.
  • a similar structure to a Ladle rib is known from DE 38 25 377 A1 (see FIGS. 1 and 2). In this embodiment a lot of individual components are required, which have to be manufactured and assembled.
  • a washing machine drum is known from EP 0 806 513 A2, in which the scoop rib is formed by folding from the sheet of the drum shell and thereby the one piece Forms part.
  • the edge of the drum moves due to the folding process Area of the scoop rib inside the drum, so that when connecting the edges of Drum casing and top surfaces of this area is spared. Therefore, they also form in this manufacturing technique, gaps between the lateral edges of the scoop rib and the Cover surfaces, which must be closed by stud bolts.
  • scoop ribs in one piece as injection molded parts made of plastic and to fasten them to the drum shell by means of locking and screwing.
  • These ribs have a trough-shaped contour that is closed on all sides. They can easily be damaged by zips on the laundry and other metal parts with scratches.
  • the ribs and their attachment have little stability and are therefore not suitable for high speeds (1800 min -1 ).
  • a dryer is known from DE 41 31 005 A1, the drum of which is closed on all sides Ribs is provided. These are driving ribs. Such ribs only have the function of lifting the laundry slightly so that it is flooded with air in the dryer drum to improve.
  • scoop ribs are equipped with an inlet and have the Task, the liquid accumulated in the lower area of a washing machine tub take. By rotating the drum, the liquid is over the existing one Level raised and then rains from outlet openings on the laundry in the Inside of the drum. Because of this function alone, the scoop rib has an essential larger volume than the driving rib.
  • the invention thus presents the problem of a washing machine drum at the beginning to disclose said type, which is simple and inexpensive with high strength at the same time can be produced.
  • the invention also has the problem of a method for producing it to disclose such a washing machine drum.
  • the advantages that can be achieved with the design of the washing machine drum according to the invention are, on the one hand, a reduction in the components required for the manufacture of the Ladle ribs are used. By integrating the scoop ribs into the drum casing these have only a minor influence on the drum production costs. The number of ribs can therefore be increased to four or more ribs instead of the usual three ribs become. On the other hand, the stability of the drum shell is characterized by the embossing in both Axis direction as well as increased in the circumferential direction.
  • a sheet metal coil (1, see figure 1) cut and punched with holes (not shown), which is limited to the area that later lies between the scoop ribs. Then will the edge area of the sheet in the area of the scoop rib positions by vertical Park with a partial bend (2, see Figure 2).
  • the desired number of scoop ribs (3) are molded into the sheet metal plate (1). In this way a trough-shaped surface contour closed on all sides is created, the width (b) of which increasing height above the base of the circuit board (1) decreases, whereby the side surfaces (3.1) the scoop ribs (3) run obliquely.
  • the sheet metal board (1) After pulling the scoop ribs (3), the sheet metal board (1) rounded and welded or using other joining techniques to form one cylindrical drum shell (1.1, see Figure 3) shaped.
  • the next step will be both The edges of the jacket (1.1) are parked around the entire circumference of the drum and so with a circumferential one Bend (4).
  • the rounded drum jacket is inserted into the Fields (1.2) between the scoop ribs (3) expanded. In this process, others can Operations such as B. the embossing of a structure can be integrated.
  • Drum jacket (1.1) perforates the scoop ribs, depending on the requirement, around outlet openings (not shown) to be provided in the crest or on the sides.
  • the front cap (5) of the washing machine drum shown in FIG. 4 becomes another Sheet metal made from the coil.
  • a circular ring with an opening (6) is punched out.
  • a first embossing process creates a circumferential bead (7) and a drum neck (8).
  • the front cap (5) is embossed on those parts of its edge area in a second embossing process. which are in front of the scoop ribs in the finished drum, with the drum facing inwards Embossing (9) provided.
  • These embossments (9) are designed such that they are a Create semicircular, flat surface (9.1), which from the outer edge of the annulus rising in the middle.
  • the flat surface (9.1) is almost congruent with the side surfaces (3.1) of the scoop ribs (3).
  • the drum casing (1.1) is connected to the top surfaces by a circumferential one Fold. Then the flat surfaces (9.1) are in flat contact (see FIG. 5) on the Side surfaces (3.1) of the scoop ribs (3). These contact areas are replaced by a suitable one Joining process linked together. Due to the later invisible position of the connection points different connection technologies can be used here, for example welding, clinching, punch riveting or screwing. It just has to it must be ensured that the connection without a gap between the scoop rib (3) and the top surface he follows.
  • the scoop ribs (3) formed from the jacket additional drivers (not shown) made of plastic or other material attached become.
  • the complete inner drum is completed by attaching a Drum flange (not shown), the axially in the area of the contact surfaces between Drum shell (1.1) and scoop rib (3) is screwed to the drum.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Treatment Of Fiber Materials (AREA)
EP03020030A 2002-10-09 2003-09-04 Tambour à machine à laver le linge avec nervures d'entraînement et procedé pour fabriquer un tel tambour Expired - Lifetime EP1408149B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10247070A DE10247070B4 (de) 2002-10-09 2002-10-09 Waschmaschinentrommel mit Schöpfrippen und Verfahren zur Herstellung einer solchen Waschmaschinentrommel
DE10247070 2002-10-09

Publications (3)

Publication Number Publication Date
EP1408149A2 true EP1408149A2 (fr) 2004-04-14
EP1408149A3 EP1408149A3 (fr) 2006-04-12
EP1408149B1 EP1408149B1 (fr) 2010-07-21

Family

ID=32010401

Family Applications (1)

Application Number Title Priority Date Filing Date
EP03020030A Expired - Lifetime EP1408149B1 (fr) 2002-10-09 2003-09-04 Tambour à machine à laver le linge avec nervures d'entraînement et procedé pour fabriquer un tel tambour

Country Status (4)

Country Link
EP (1) EP1408149B1 (fr)
AT (1) ATE474952T1 (fr)
DE (2) DE10247070B4 (fr)
ES (1) ES2348033T3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005106098A1 (fr) * 2004-04-28 2005-11-10 Arcelik Anonim Sirketi Machine a laver / sechoir
WO2006094902A1 (fr) * 2005-03-08 2006-09-14 BSH Bosch und Siemens Hausgeräte GmbH Tambour pour machines a laver
DE102007027547B4 (de) * 2006-06-15 2013-03-28 Lg Electronics Inc. Waschmaschine
EP1619285B2 (fr) † 2004-07-22 2018-07-18 Candy S.p.A. Tambour pour machine à laver, sèche-linge, ou équivalent
CN109898270A (zh) * 2017-12-07 2019-06-18 青岛海尔洗衣机有限公司 滚筒洗衣机的内筒结构和安装方法及具有其的滚筒洗衣机
CN112899994A (zh) * 2021-01-14 2021-06-04 珠海格力电器股份有限公司 一种提升筋及具有其的洗衣机

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015101456A1 (de) 2015-02-02 2016-08-04 Miele & Cie. Kg Trommel für eine Waschmaschine und Waschmaschine

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE83234C (fr) *
FR2518598A1 (fr) * 1981-12-23 1983-06-24 Thomson Brandt Tambour a linge, et machine a laver munie d'un tel tambour
IT1190538B (it) * 1986-04-28 1988-02-16 Merloni Elettrodomestici Spa Perfezionamento nel cestello delle macchine lavabiancheria
DE3825377A1 (de) * 1988-07-26 1990-02-01 Bosch Siemens Hausgeraete Waschtrommel
DE4131005A1 (de) * 1990-12-04 1992-06-11 Bauknecht Hausgeraete Haushaltgeraet, z. b. trockner
KR100195453B1 (ko) * 1996-05-11 1999-06-15 윤종용 드럼세탁기의 리프터장치

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2005106098A1 (fr) * 2004-04-28 2005-11-10 Arcelik Anonim Sirketi Machine a laver / sechoir
EP1619285B2 (fr) † 2004-07-22 2018-07-18 Candy S.p.A. Tambour pour machine à laver, sèche-linge, ou équivalent
WO2006094902A1 (fr) * 2005-03-08 2006-09-14 BSH Bosch und Siemens Hausgeräte GmbH Tambour pour machines a laver
ES2284308A1 (es) * 2005-03-08 2007-11-01 Bsh Electrodomesticos España, S.A. Tambor para maquina lavadora de ropa.
ES2284308B1 (es) * 2005-03-08 2008-08-01 Bsh Electrodomesticos España, S.A. Tambor para maquina lavadora de ropa.
CN100549277C (zh) * 2005-03-08 2009-10-14 Bsh博世和西门子家用器具有限公司 洗衣机滚筒
RU2388861C2 (ru) * 2005-03-08 2010-05-10 Бсх Бош Унд Сименс Хаусгерете Гмбх Барабан для стиральной машины
US7762109B2 (en) 2005-03-08 2010-07-27 Bsh Bosch Und Siemens Hausgeraete Gmbh Drum for laundry washing machines
DE102007027547B4 (de) * 2006-06-15 2013-03-28 Lg Electronics Inc. Waschmaschine
CN109898270A (zh) * 2017-12-07 2019-06-18 青岛海尔洗衣机有限公司 滚筒洗衣机的内筒结构和安装方法及具有其的滚筒洗衣机
CN112899994A (zh) * 2021-01-14 2021-06-04 珠海格力电器股份有限公司 一种提升筋及具有其的洗衣机

Also Published As

Publication number Publication date
EP1408149B1 (fr) 2010-07-21
ES2348033T3 (es) 2010-11-29
EP1408149A3 (fr) 2006-04-12
DE10247070A1 (de) 2004-04-22
ATE474952T1 (de) 2010-08-15
DE50312903D1 (de) 2010-09-02
DE10247070B4 (de) 2006-04-20

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