EP0108217B1 - Support capable d'osciller pour machines à laver à tambour - Google Patents
Support capable d'osciller pour machines à laver à tambour Download PDFInfo
- 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
Links
- 238000005406 washing Methods 0.000 title claims abstract description 27
- 238000013016 damping Methods 0.000 claims abstract description 35
- 229920001971 elastomer Polymers 0.000 description 7
- 230000006835 compression Effects 0.000 description 3
- 238000007906 compression Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000725 suspension Substances 0.000 description 3
- 239000006096 absorbing agent Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000003534 oscillatory effect Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000035939 shock Effects 0.000 description 2
- 239000000872 buffer Substances 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 235000000396 iron Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 229920002635 polyurethane Polymers 0.000 description 1
- 239000004814 polyurethane Substances 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
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
- 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)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3237759 | 1982-10-12 | ||
DE19823237759 DE3237759A1 (de) | 1982-10-12 | 1982-10-12 | Schwingungsfaehige abstuetzung fuer trommelwaschmaschinen |
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)
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)
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 |
US9677212B2 (en) | 2011-06-29 | 2017-06-13 | Fisher & Paykel Appliances Limited | Suspension unit and laundry washing machine |
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 | |
US11414805B2 (en) * | 2019-05-24 | 2022-08-16 | Samsung Electronics Co., Ltd. | Washing machine |
Family Cites Families (19)
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 |
FR1577234A (fr) * | 1966-10-05 | 1969-08-08 | ||
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 |
-
1982
- 1982-10-12 DE DE19823237759 patent/DE3237759A1/de not_active Withdrawn
-
1983
- 1983-09-10 DE DE8383108959T patent/DE3375171D1/de not_active Expired
- 1983-09-10 EP EP83108959A patent/EP0108217B1/fr not_active Expired
- 1983-09-23 YU YU1918/83A patent/YU44861B/xx unknown
- 1983-09-30 ES ES1983283288U patent/ES283288Y/es not_active Expired
- 1983-10-06 US US06/539,594 patent/US4991412A/en not_active Expired - Fee Related
Cited By (8)
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 |
---|---|
ES283288Y (es) | 1985-12-16 |
EP0108217A2 (fr) | 1984-05-16 |
YU44861B (en) | 1991-04-30 |
US4991412A (en) | 1991-02-12 |
EP0108217A3 (en) | 1985-04-17 |
DE3237759A1 (de) | 1984-04-12 |
YU191883A (en) | 1988-02-29 |
DE3375171D1 (en) | 1988-02-11 |
ES283288U (es) | 1985-05-01 |
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