EP1458918B1 - Waschmaschinen-wäschetrommel - Google Patents

Waschmaschinen-wäschetrommel Download PDF

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Publication number
EP1458918B1
EP1458918B1 EP02755003A EP02755003A EP1458918B1 EP 1458918 B1 EP1458918 B1 EP 1458918B1 EP 02755003 A EP02755003 A EP 02755003A EP 02755003 A EP02755003 A EP 02755003A EP 1458918 B1 EP1458918 B1 EP 1458918B1
Authority
EP
European Patent Office
Prior art keywords
drum
laundry
tooth
seam
region
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
EP02755003A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1458918A1 (de
Inventor
Alfred Nitsche
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.)
BSH Hausgeraete GmbH
Original Assignee
BSH Bosch und Siemens Hausgeraete 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 Hausgeraete GmbH filed Critical BSH Bosch und Siemens Hausgeraete GmbH
Publication of EP1458918A1 publication Critical patent/EP1458918A1/de
Application granted granted Critical
Publication of EP1458918B1 publication Critical patent/EP1458918B1/de
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

Definitions

  • the invention relates to a washing machine laundry drum, which is set up for high-speed dewatering wet laundry and has a rotating drum shell, which is bent from a thin-walled material strip to a cylinder, that the parallel end edges of the material strip touch in a connecting seam.
  • Such a laundry drum is known from EP 0 395 859 B1.
  • This laundry drum shows a commonly used seam, in which the end edges of the drum casing strip are bent and hooked into each other and are formed by an additional cranking so that the hooked end edges can not be separated from each other.
  • Laundry drums with a connecting seam designed in this way are suitable for high-speed final water with spin speeds of up to 1000 rpm.
  • EP 0 395 859 B1 proposes to provide the seam with transversal, bead-like embossments to make the seam so stable that such shaped laundry drums are suitable for spin revolutions of up to about 1500 rpm.
  • additional measures must be taken to prevent the tensile forces in the drum shell are large enough to protect the folded and embossed seam before tearing.
  • a washing machine laundry drum with all features of the preamble of independent claim 1 also discloses the document DE 30 23 234 A.
  • the invention has for its object to provide a seam at a laundry drum of the type mentioned, which withstands without additional effort Mantelzug structuren occurring at speeds above 1500 U / min.
  • this object is achieved in that the end edges have a crenellated toothing, the tooth tabs each engage in the tooth gap of the counter-end edge such that the baseline of the tooth gaps abutting one another form at least approximately straight line and abut the toothed lobes in the non-toothed region of the end edge of the drum over the strip of material and are firmly connected there to the area.
  • a shaped connection seam is suitable, due to the arrangement of numerous toothed lobes, to achieve high stability over the numerous connections between the toothed lobes and the area, which withstand up to four times higher jacket tensile forces than with prior art laundry drums.
  • the invention is characterized in an advantageous manner that the toothed lobes are bent drum outward to the wall thickness of the material strip.
  • the toothed lobes overlapping the non-toothed area bear only on the outside of the drum shell.
  • connection between the tooth flaps and the untoothed area is shown in a further development of the invention from at least one riveting between the area and the overlapping flap.
  • the riveting can be carried out so that there are only slight degrees free increases in the connection area on the inside of the shell.
  • the rivet is formed from a tubular drum-outward bulge in the untoothed region, which extends through a hole in the flap and is bent behind the flap.
  • the laundry located within the laundry drum is protected by any configuration of the seam by a driver covering the seam is mounted on the shell inside.
  • the laundry drum 1 shown in Fig. 1 has a circumferential drum shell 2, which is bent from a thin-walled material strip to a cylinder.
  • the material may be stainless steel sheet in the usual way.
  • the end edges 3 and 4 of the bent cylinder are joined in a connecting seam 5 (shown greatly enlarged here), which according to the prior art has two interlocked folds, of which the upper fold in front of the front edge of the lower fold on the inner circle of the drum shell is cranked.
  • the connecting seam 5 is formed in FIG. 2 from mutually toothed lobes 6 and 7, which abut on the outside of the drum in the untoothed region 8 or 9 of the drum shell.
  • the toothed lobes 6 and 7 can be connected in any desired manner with the respective non-toothed region 8 or 9 of the counter-end edge 4 or 3.
  • spot welding is suitable for producing a high strength of the seam 5.
  • slots can also be arranged in the untoothed region 8 or 9, which are intended to receive drum-inward bent ends of the toothed lobes 6 and 7, the bent-over ends of the toothed lobes following the joining of the seam on the inside of the drum towards the seam be bent further.
  • such a seam must be covered from the inside, so that the laundry is protected.
  • FIG. 3 shows a seam joined according to FIG. 2, in which the toothed lobes 6 and 7 are connected to the untoothed region 8 or 9 by rivets 10.
  • FIG. 3 shows very clearly that the baselines 11 of the tooth gaps abut one another. The series of abutting baselines 11 together form an approximately straight line.
  • Fig. 4 shows the joined seam 5 seen from the inside of the drum shell 2 forth. It can be seen that all the toothed lobes 6 and 7 come to lie outside the drum shell and the inside remains completely smooth except for the rivets 10.
  • the rivets 10 according to FIG. 5 can also be designed such that they do not apply to the inside of the drum shell 2.
  • the tubular rivets are formed from a tubular Austulpung in the range 8 or 9, which extend through a hole 12 in the lobe 6 or 7 and are bent behind the cloth. It makes sense that the inner diameter of such Jerusalemstellniets 10 is chosen not larger than the diameter of the drum shell 2 otherwise still existing flood holes (not shown here).
  • the toothed lobes 6 and 7 are designed clearly trapezoidal.
  • the inclination of the trapezoidal edges has no significant effect on the strength of the joint seam 5. Even triangular lobes are conceivable.
  • the inclination of the trapezoidal edges will be chosen so that in the drum production the joining of the end edges 3 and 4 causes no difficulties.
  • the number of sprockets and tooth gaps remains the expert choice in the design of the seam and should only be based on the number of joints within the joint 5 to be selected for the required strength.
  • the seam 5 does not necessarily have to be perpendicular to the side edge of the drum shell 2. However, it will be to be tested whether an asymmetrical design of the toothed lobes is more suitable for tilting the connecting seam 5 than the symmetrical design shown here.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Control Of Washing Machine And Dryer (AREA)
  • Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
  • Photoreceptors In Electrophotography (AREA)
  • Centrifugal Separators (AREA)
EP02755003A 2001-12-21 2002-08-21 Waschmaschinen-wäschetrommel Expired - Lifetime EP1458918B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10163186A DE10163186C1 (de) 2001-12-21 2001-12-21 Waschmaschinen-Wäschetrommel
DE10163186 2001-12-21
PCT/EP2002/009350 WO2003054274A1 (de) 2001-12-21 2002-08-21 Waschmaschinen-wäschetrommel

Publications (2)

Publication Number Publication Date
EP1458918A1 EP1458918A1 (de) 2004-09-22
EP1458918B1 true EP1458918B1 (de) 2006-09-13

Family

ID=7710322

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02755003A Expired - Lifetime EP1458918B1 (de) 2001-12-21 2002-08-21 Waschmaschinen-wäschetrommel

Country Status (11)

Country Link
US (1) US6935143B2 (zh)
EP (1) EP1458918B1 (zh)
KR (1) KR100647398B1 (zh)
CN (1) CN100529236C (zh)
AT (1) ATE339542T1 (zh)
DE (3) DE10163186C1 (zh)
ES (1) ES2271311T3 (zh)
NZ (1) NZ533581A (zh)
PL (1) PL197638B1 (zh)
RU (1) RU2263170C2 (zh)
WO (1) WO2003054274A1 (zh)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE60331142D1 (de) * 2002-05-17 2010-03-18 Arcelik S A Trommel
KR100457579B1 (ko) * 2002-11-28 2004-11-18 엘지전자 주식회사 드럼세탁기의 드럼
ES2296424B1 (es) * 2004-02-06 2008-12-16 Bsh Electrodomesticos España S.A. Refuerzo para tambor de maquina lavadora.
KR100662447B1 (ko) * 2005-01-07 2007-01-02 엘지전자 주식회사 드럼 세탁기의 드럼
DE102006007066A1 (de) * 2006-02-15 2007-08-16 BSH Bosch und Siemens Hausgeräte GmbH Waschmaschinen-Wäschetrommel
KR100686061B1 (ko) * 2006-03-16 2007-02-22 엘지전자 주식회사 드럼 세탁기의 드럼
EP3074562B1 (en) * 2013-11-29 2019-01-02 Arçelik Anonim Sirketi Laundry treatment appliance comprising a washing receptacle having laundry protection structure
DE102014224078A1 (de) * 2014-11-26 2016-06-02 BSH Hausgeräte GmbH Verfahren zum Herstellen einer Falzverbindung bei einem Haushaltgerätebauteil sowie Haushaltsgerätebauteil
CN116770555A (zh) * 2022-03-10 2023-09-19 青岛海尔洗衣机有限公司 一种滚筒洗衣机

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1790478A (en) * 1931-01-27 Fluid container
US1356422A (en) * 1918-04-08 1920-10-19 William G Avery Foundry-barrel
US1564472A (en) * 1921-03-30 1925-12-08 American Laundry Mach Co Washing machine
US1818032A (en) * 1924-02-14 1931-08-11 Butterworth H W & Sons Co Dyeing machine construction
US1667996A (en) * 1926-10-11 1928-05-01 Westbye Peder Pederson Barking drum
US1808483A (en) * 1928-06-18 1931-06-02 Hugh H Ward Metallic receptacle
US1977408A (en) * 1931-08-01 1934-10-16 Troy Laundry Machinery Co Inc Lock construction for washing machine cylinders
US2245103A (en) * 1937-07-13 1941-06-10 Flakice Corp Method and apparatus for manufacturing ice making apparatus
US2438597A (en) * 1941-10-08 1948-03-30 Charles C Batina Door and latch for tumbler washers
US2470459A (en) * 1945-09-27 1949-05-17 Gay And Bell Tobacco hogshead
GB938248A (en) * 1961-04-15 1963-10-02 Atlas Copco Ab Improvements in devices for supplying fluid to a drilling tool
US3281905A (en) * 1964-10-14 1966-11-01 Huyck Corp Belt construction and method of forming the same
DE3023234C2 (de) * 1980-06-21 1985-04-18 Miele & Cie GmbH & Co, 4830 Gütersloh Wäschetrommel für eine Wäschebehandlungsmaschine
DE3914475A1 (de) * 1989-05-02 1990-11-08 Bosch Siemens Hausgeraete Waschmaschinen-trommel
DE19821366C5 (de) * 1998-05-13 2017-01-19 Electrolux Rothenburg Gmbh Factory And Development Waschmaschinen-Trommel

Also Published As

Publication number Publication date
DE10258786B4 (de) 2004-11-25
EP1458918A1 (de) 2004-09-22
NZ533581A (en) 2007-08-31
RU2004116921A (ru) 2005-03-27
KR20040068179A (ko) 2004-07-30
DE10258786A1 (de) 2003-07-24
WO2003054274A1 (de) 2003-07-03
CN1608156A (zh) 2005-04-20
DE10163186C1 (de) 2003-02-06
US20050005654A1 (en) 2005-01-13
PL368757A1 (en) 2005-04-04
RU2263170C2 (ru) 2005-10-27
ATE339542T1 (de) 2006-10-15
ES2271311T3 (es) 2007-04-16
KR100647398B1 (ko) 2006-11-23
US6935143B2 (en) 2005-08-30
CN100529236C (zh) 2009-08-19
DE50208169D1 (de) 2006-10-26
PL197638B1 (pl) 2008-04-30

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