EP0108217B1 - Support capable d'osciller pour machines à laver à tambour - Google Patents

Support capable d'osciller pour machines à laver à tambour Download PDF

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Publication number
EP0108217B1
EP0108217B1 EP83108959A EP83108959A EP0108217B1 EP 0108217 B1 EP0108217 B1 EP 0108217B1 EP 83108959 A EP83108959 A EP 83108959A EP 83108959 A EP83108959 A EP 83108959A EP 0108217 B1 EP0108217 B1 EP 0108217B1
Authority
EP
European Patent Office
Prior art keywords
vibratory
damping element
relevant
peg
sprung
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
Application number
EP83108959A
Other languages
German (de)
English (en)
Other versions
EP0108217A2 (fr
EP0108217A3 (en
Inventor
Fritz Bauer
Hans-Peter Bauer
Hans Jürgen Bauer
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.)
Fritz Bauer and Sohne OHG
Original Assignee
Fritz Bauer and Sohne OHG
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 Fritz Bauer and Sohne OHG filed Critical Fritz Bauer and Sohne OHG
Publication of EP0108217A2 publication Critical patent/EP0108217A2/fr
Publication of EP0108217A3 publication Critical patent/EP0108217A3/de
Application granted granted Critical
Publication of EP0108217B1 publication Critical patent/EP0108217B1/fr
Expired 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
    • D06F37/20—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations

Definitions

  • the invention relates to an oscillatory support for drum washing machines according to the preamble of claim 1.
  • an oscillatory support of the generic type is known in which the upper end of the tappet of each spring strut bears on both sides against resilient members in the vertical plane perpendicular to the axis of rotation and is rigid in the vertical plane parallel to the axis of rotation is supported.
  • a stopper made of a hard elastic plastic is arranged in an upper support sleeve and has a downwardly open slot which extends transversely to the axis of rotation of the washing drum and in which the upper end of the plunger is located.
  • the plunger is supported with its spherical cap-shaped upper end against the cover of the stopper provided with a corresponding circular segment cross section.
  • the slot has a width which corresponds approximately to the portion of the plunger serving as a peg, so that when this peg moves along the side walls of the plug, frictional forces occur between the plug and the peg.
  • Elastic members which are rubber buffers, are arranged in the slot on both sides of the pin. These elastic members are elastically deformed when the guide rod moves horizontally and perpendicular to the axis of rotation, i. H. they permit such movements, but at the same time exert increasing restoring forces on the guide rod as the movement increases.
  • This upper linkage of the shock absorber is already relatively easy to assemble and has good suspension and damping properties. However, their structure is relatively complicated.
  • the respective spring strut is supported on the base plate at its lower end by means of two rubber probes penetrated by tensioning elements. This lower articulation is complex and complex to assemble.
  • the invention has for its object to provide a support of the generic type that is simple in construction and easy to assemble and has good vibration and damping properties.
  • a major advantage of the invention is that a simple plug-in assembly, in which no screw connections are required, is sufficient to produce a sufficiently firm connection between the strut and base plate on the one hand and the washing unit on the other.
  • This plug-in connection also has great advantages in terms of vibration, since on the one hand the press-friction fit of the plunger in the respective vibration and damping element leads to frictional damping between the plunger and the vibration element in the case of extreme vibrations, that is to say a correspondingly increased damping. The friction-press fit thus leads to an additional damping function via the pure holding function.
  • the all-round support of the vibration and damping element means that vibrations acting transversely to the longitudinal direction of the pins, that is to say transversely to the longitudinal axis of the suspension strut, result in a corresponding squeezing of the vibration and damping elements, which in turn leads to increased resetting and damping forces.
  • the measures according to claim 2 ensure that the pin can pass through the entire length of the respective vibration and damping element, that is to say is optimally guided and held, but that, on the other hand, compressions of the vibration and damping elements are possible.
  • the measures according to claim 3 ensure that pitch or wobble vibrations are largely suppressed, while unbalance vibrations can develop freely - even if damped - when passing through the critical speed.
  • a drum washing machine has a washing unit 1, which is supported by spring struts 2 against a base frame or base plate 4 standing on the floor 3.
  • the washing unit 1 has a tub 5, in which a washing drum 8 is arranged, which can be driven about a horizontal axis of rotation 6 by a drive motor 7 flanged to the tub 5.
  • the input and removal of laundry into the washing drum 8 takes place through a flap 10 arranged on an end face 9 of the tub 5.
  • the drive is transferred from the drive motor 7 to the washing drum 8 in the usual way by means of a V-belt drive 11.
  • the struts 8 each have a cylindrical tube 12 in which a plunger 13 is guided coaxially.
  • a guide piston 14 is formed, which can be provided with annular recesses 15 in which friction elements 16 are arranged.
  • the plunger 13 and the guide piston 14 are injection-molded in one piece from plastic.
  • the friction elements 16 can consist of foamed, closed-cell polyurethane.
  • a prestressed helical compression spring 18 is arranged between the guide piston 14 and the bottom 17 of the tube 12.
  • the tube 12 is provided at its tappet exit end with an inwardly drawn edge 19 which radially overlaps the guide piston 14, so that the tappet 13 cannot be pulled out of the tube 12 unintentionally.
  • the strut 2 shown is a so-called damped strut. If the friction elements 16 are not present, the shock absorber is undamped. Both types of struts - as far as they are described up to here - are generally known and commercially available (see DE-OS 2 534 650 corresponding to GB-PS 1 520 383).
  • DE-OS 2 942 716 corresponding to GB-OS 2 061 427.
  • a flange-like, thrust washer-shaped pressure bearing 20 is attached, from which in turn a cylindrical pin 22 extends coaxially to the central longitudinal axis 21 of the spring strut 2.
  • a thrust bearing 23 is also formed, from which a corresponding pin 24 extends coaxially to the longitudinal axis 21 upwards.
  • a support element 25 is attached to the base plate 4 for each strut 2, which essentially consists of a support sleeve 26 which is open at the top and extends along the longitudinal axis 21.
  • the support sleeve In its base 27, the support sleeve has a passage opening 28 which is concentric with the longitudinal axis 21 and whose diameter is in any case larger than the diameter of the pin 22.
  • a support element 29 is also attached to the tub 5 for each strut 2, which has a support sleeve 30 which is identical to the support sleeve 26 and is arranged open at the bottom.
  • the bottom 31 of this support sleeve 30 is thus also provided with a passage opening 32, the diameter of which is larger than the diameter of the pin 24.
  • the support sleeves 26 and 30 have - as can be seen in FIG. 4 - an approximately rectangular cross-section, whereby - as in the present case - this cross-section is formed by a circle which is formed by two mutually parallel and symmetrically arranged secants.
  • the respective (longer) main axis 33 extends perpendicular to the longitudinal axis 21 and perpendicular to the axis of rotation 6 of the washing drum 8.
  • the smaller secondary axis 34 also extends perpendicular to the longitudinal axis 21 and parallel to the axis of rotation 6.
  • each element 35, 36 has a cylindrical recess 39, 40 adapted to the respective pin 22, 24, into which the corresponding pin 22 or 24 is fitted with a press-friction fit. In the relaxed state, the diameter of the recess 39, 40 is therefore slightly smaller than the diameter of the pin 22 or 24. The pin 22 or 24 penetrate the elements 35 or 36 approximately to their full length.
  • the elements 35, 36 are also seated with a press-friction fit in the corresponding support sleeve 26 or 30.
  • the washing unit 1 can thus swing out relatively far in the vertical according to the directional arrow 41 and in the horizontal perpendicular to the axis of rotation 6 according to the directional arrow 43.
  • the vibration and damping elements 35, 36 also serve as suspension elements and as damping elements with respect to the vertical vibration. Slipping out of the pins 22 or 24 from the assigned elements 35 or 36 is out of the question due to the press-friction fit explained, especially since the spring struts 2 are dimensioned in such a way that the guide piston 14 stops at the edge 19 even under extreme conditions Operating conditions does not occur.
  • the vibration and damping elements 35, 36 are designed to be relatively long.
  • the construction shown thus enables particularly good vibration and damping also in the direction of the central longitudinal axis 21.

Landscapes

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

Claims (3)

1. Support oscillant pour lave-linge à tambour à axe horizontal de rotation, présentant un groupe de lavage (1) prenant appui sur une plaque de semelle (4) par l'intermédiaire d'au moins deux jambages élastiques (2) disposés de part et d'autre du plan vertical passant par l'axe de rotation, les jambages élastiques étant articulés d'une part élastiquement sur la plaque de semelle (4), au moyen d'une cheville coaxiale (22), et étant articulés d'autre part sur le groupe de lavage, à l'aide d'une liaison élastique emboîtée, au moyen d'une cheville coaxiale (24), la cheville (24) étant, à cette fin, introduite avec assise par frottement et par pression dans un élément (36) d'oscillation et d'amortissement, dans lequel elle est retenue, cet élément (36) d'oscillation et d'amortissement étant logé dans une douille de support (30) de section identique, montée sur le groupe de lavage, caractérisé par le fait que le jambage élastique considéré (2, 2') présente, également à son extrémité inférieure, une cheville (22) agencée coaxialement et introduite avec assise par frottement et par pression dans un élément (35) d'oscillation et d'amortissement dans lequel elle est retenue, cet élément (35) d'oscillation et d'amortissement étant logé dans une douille de support (26) de section identique, montée sur la plaque de semelle (4); par le fait que le jambage élastique considéré (2) est appliqué par une butée de pression (20, 23) contre l'élément respectif (35, 36) d'oscillation et d'amortissement; et par le fait que l'élément considéré (35, 36) d'oscillation et d'amortissement est bloqué à demeure, dans la douille de support correspondante, dans la direction de l'axe médian longitudinal (21) du jambage élastique respectif (2).
2. Support selon la revendication 1, caractérisé par le fait que l'élément considéré (35, 36) d'oscillation et d'amortissement présente un évidement ininterrompu (39, 40) qui reçoit la cheville respective (22, 24), la douille de support considérée (26, 30) présentant un orifice de passage associé (28, 32).
3. Support selon la revendication 1, caractérisé par le fait que les éléments (35, 36) d'oscillation et d'amortissement possèdent, dans la direction (43) perpendiculaire à l'axe médian longitudinal (21) du jambage élastique (2) et perpendiculaire à l'axe de rotation (6), une plus grande étendue (axe principal 33) que dans la direction (44) perpendiculaire à l'axe médian longitudinal (21) et parallèle à l'axe de rotation (6) (axe secondaire 34).
EP83108959A 1982-10-12 1983-09-10 Support capable d'osciller pour machines à laver à tambour Expired EP0108217B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19823237759 DE3237759A1 (de) 1982-10-12 1982-10-12 Schwingungsfaehige abstuetzung fuer trommelwaschmaschinen
DE3237759 1982-10-12

Publications (3)

Publication Number Publication Date
EP0108217A2 EP0108217A2 (fr) 1984-05-16
EP0108217A3 EP0108217A3 (en) 1985-04-17
EP0108217B1 true EP0108217B1 (fr) 1988-01-07

Family

ID=6175520

Family Applications (1)

Application Number Title Priority Date Filing Date
EP83108959A Expired EP0108217B1 (fr) 1982-10-12 1983-09-10 Support capable d'osciller pour machines à laver à tambour

Country Status (5)

Country Link
US (1) US4991412A (fr)
EP (1) EP0108217B1 (fr)
DE (2) DE3237759A1 (fr)
ES (1) ES283288Y (fr)
YU (1) YU44861B (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182353A (en) * 1985-09-25 1987-05-13 Servis Group Limited Washing machines
EP0505713A1 (fr) * 1991-03-23 1992-09-30 SUSPA COMPART Aktiengesellschaft Support élastique pour cuve de machines à laver à tambour
EP0546379A1 (fr) * 1991-12-09 1993-06-16 Whirlpool Europe B.V. Dispositif pour relier la cuve à la carrosserie d'une machine à laver ou similaire
EP0686720A1 (fr) 1994-06-07 1995-12-13 SUSPA COMPART Aktiengesellschaft Amortisseur à frottement notamment pour machine à laver et à essorer
DE10225335B4 (de) * 2002-06-06 2008-04-24 Miele & Cie. Kg Waschmaschine mit einem System zur Bestimmung des Gewichts der in der Trommel vorhandenen Wäsche
DE102012208084B3 (de) * 2012-05-15 2013-05-23 Suspa Gmbh Anlenk-Vorrichtung zum Anlenken eines Reibungs-Dämpfers an eine Waschmaschine

Families Citing this family (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3725100A1 (de) * 1987-07-29 1989-02-09 Bauer Fritz & Soehne Ohg Schwingungsdaempfer, insbesondere fuer waschmaschinen
DE4003890A1 (de) * 1990-02-09 1991-08-14 Bauer Fritz & Soehne Ohg Reibungs-schwingungsdaempfer
US5117659A (en) * 1990-12-28 1992-06-02 Whirlpool Corporation Automatic washer suspension system
DE4138961A1 (de) * 1991-11-27 1993-06-03 Ymos Ag Ind Produkte Maschinenfuss
DE19615010A1 (de) * 1996-04-16 1997-10-23 Suspa Compart Ag Reibungsdämpfer, insbesondere für Waschmaschinen mit Schleudergang
KR19980057086U (ko) * 1997-01-29 1998-10-15 배순훈 세탁기의 현가장치
DE19825131C1 (de) * 1998-06-05 1999-07-22 Freudenberg Carl Fa Schwingungstilger
DE19921152A1 (de) * 1999-05-07 2000-11-09 Suspa Compart Ag Anlenk-Vorrichtung zur Anlenkung eines Reibungsdämpfers an einem Maschinengestell einer Waschmaschine
US6290296B1 (en) * 1999-07-01 2001-09-18 Northfield Metal Products Limited Anti-rattle pad
DE19959031C1 (de) * 1999-12-08 2001-03-22 Miele & Cie Trommelwaschmaschine mit Dämpfungsvorrichtung
KR100565478B1 (ko) * 2000-03-30 2006-03-30 엘지전자 주식회사 세탁기용 댐퍼 장치
US6371238B1 (en) * 2000-05-10 2002-04-16 General Motors Corporation Turbocharger support
KR100474913B1 (ko) * 2002-08-09 2005-03-10 엘지전자 주식회사 드럼세탁기용 방진구조체
KR101122069B1 (ko) * 2004-03-17 2012-03-14 엘지전자 주식회사 드럼세탁기용 오일댐퍼
US20050204480A1 (en) * 2004-03-19 2005-09-22 Maytag Corporation Washing machine with tilt-out laundry assembly
US7175150B2 (en) * 2004-05-24 2007-02-13 Mitac Technology Corp. Compound vibration damper assembly
KR100637668B1 (ko) * 2005-09-01 2006-10-24 삼성전자주식회사 세탁기
JP4327790B2 (ja) * 2005-11-28 2009-09-09 富士通株式会社 制振ユニット
KR100777299B1 (ko) * 2006-06-09 2007-11-20 엘지전자 주식회사 세탁 또는 건조를 위한 기계장치
US7402740B2 (en) * 2006-12-13 2008-07-22 Pearl Musical Instruments Co. Tuning system for percussion instrument
KR101698854B1 (ko) * 2009-05-28 2017-01-24 엘지전자 주식회사 세탁장치의 제조방법
WO2013002652A1 (fr) * 2011-06-29 2013-01-03 Fisher & Paykel Appliances Limited Unité de suspension et machine à laver le linge
JP5923397B2 (ja) * 2012-06-29 2016-05-24 株式会社ショーワ シートダンパー
TR201906632A2 (fr) * 2019-05-03 2020-11-23 Arcelik As
KR20200134895A (ko) * 2019-05-24 2020-12-02 삼성전자주식회사 세탁기

Family Cites Families (19)

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Publication number Priority date Publication date Assignee Title
DE49311C (de) * L. GRABAU in Hannover, Schiffgraben Nr. 41 Anwendung ungekühlter Gefäfse bei der Darstellung von Aluminium
US1750016A (en) * 1925-11-30 1930-03-11 Textile Machine Works Centrifugal machine
US2711297A (en) * 1949-10-07 1955-06-21 Speed Queen Corp Suspension for laundry machines
FR1377563A (fr) * 1963-09-27 1964-11-06 Procedes Sauter Dispositif de suspension pour machines à laver le linge
FR1383101A (fr) * 1963-11-13 1964-12-24 Chalectro Soc Machine à laver perfectionnée
US3298400A (en) * 1964-10-29 1967-01-17 Draper Corp Filling carrier for shuttleless looms
DE1585990C3 (de) * 1964-11-13 1984-07-19 Fritz Bauer + Söhne oHG, 8503 Altdorf Gedämpftes Federbein für eine schwingungsfähige Abstützung für eine Trommelwaschmaschine
DE1460884A1 (de) * 1965-02-19 1969-02-20 Constructa Werke Gmbh Waschmaschine mit Schleudergang und Pendelfederstuetzen zur Stuetzung des Trommelaggregates
US3373961A (en) * 1965-12-20 1968-03-19 Gen Motors Corp Suspension system
US3509742A (en) * 1966-10-05 1970-05-05 Fritz Bauer Supporting structure for a washing machine
DE2016539B2 (de) * 1970-04-07 1977-07-28 Wasch- und schleudermaschine
US3703091A (en) * 1971-03-18 1972-11-21 Hoover Co Centrifugal extraction machines
US3744746A (en) * 1971-09-23 1973-07-10 Whirlpool Co Suspension rod assembly for automatic washer
GB1426426A (en) * 1972-03-08 1976-02-25 Hoover Ltd Washing and/or centrifugal extraction machines
DE2327340A1 (de) * 1973-05-29 1974-12-19 Licentia Gmbh Pneumatischer schwingungsdaempfer, insbesondere fuer wasch- und schleudermaschinen
DE2534650C2 (de) * 1975-08-02 1988-10-20 Fritz Bauer + Söhne oHG, 8503 Altdorf Schwingungsfähige Abstützung für Trommelwaschmaschinen mit horizontaler Drehachse
DE2942716A1 (de) * 1979-10-23 1981-05-21 Fritz Bauer + Söhne oHG, 8503 Altdorf Reibungsdaempfer
GB2078882B (en) * 1980-06-23 1984-10-31 Hotpoint Ltd Oscillation damping arrangement
DE8119603U1 (de) * 1981-07-04 1981-11-26 Fritz Bauer + Söhne oHG, 8503 Altdorf Federbein fuer eine trommelwaschmaschine

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2182353A (en) * 1985-09-25 1987-05-13 Servis Group Limited Washing machines
EP0505713A1 (fr) * 1991-03-23 1992-09-30 SUSPA COMPART Aktiengesellschaft Support élastique pour cuve de machines à laver à tambour
EP0546379A1 (fr) * 1991-12-09 1993-06-16 Whirlpool Europe B.V. Dispositif pour relier la cuve à la carrosserie d'une machine à laver ou similaire
EP0686720A1 (fr) 1994-06-07 1995-12-13 SUSPA COMPART Aktiengesellschaft Amortisseur à frottement notamment pour machine à laver et à essorer
DE10225335B4 (de) * 2002-06-06 2008-04-24 Miele & Cie. Kg Waschmaschine mit einem System zur Bestimmung des Gewichts der in der Trommel vorhandenen Wäsche
DE102012208084B3 (de) * 2012-05-15 2013-05-23 Suspa Gmbh Anlenk-Vorrichtung zum Anlenken eines Reibungs-Dämpfers an eine Waschmaschine
EP2664704A1 (fr) 2012-05-15 2013-11-20 SUSPA GmbH Dispositif d'articulation pour articuler un amortisseur de frottement sur un lave-linge
US9115460B2 (en) 2012-05-15 2015-08-25 Suspa Gmbh Coupling device for coupling a friction damper on a washing machine

Also Published As

Publication number Publication date
YU44861B (en) 1991-04-30
EP0108217A2 (fr) 1984-05-16
ES283288Y (es) 1985-12-16
EP0108217A3 (en) 1985-04-17
YU191883A (en) 1988-02-29
ES283288U (es) 1985-05-01
US4991412A (en) 1991-02-12
DE3237759A1 (de) 1984-04-12
DE3375171D1 (en) 1988-02-11

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