EP0937807B1 - Fastening System Attaching the Motor on to the Tub of a Washing Machine - Google Patents

Fastening System Attaching the Motor on to the Tub of a Washing Machine Download PDF

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Publication number
EP0937807B1
EP0937807B1 EP19990500015 EP99500015A EP0937807B1 EP 0937807 B1 EP0937807 B1 EP 0937807B1 EP 19990500015 EP19990500015 EP 19990500015 EP 99500015 A EP99500015 A EP 99500015A EP 0937807 B1 EP0937807 B1 EP 0937807B1
Authority
EP
European Patent Office
Prior art keywords
tub
motor
lugs
radial
extension
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
EP19990500015
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0937807A1 (en
Inventor
Ismael Gracia Bobed
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 Balay SA
Original Assignee
BSH Balay SA
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 Balay SA filed Critical BSH Balay SA
Priority to ES99500015T priority Critical patent/ES2197592T3/es
Publication of EP0937807A1 publication Critical patent/EP0937807A1/en
Application granted granted Critical
Publication of EP0937807B1 publication Critical patent/EP0937807B1/en
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
    • D06F37/26—Casings; Tubs
    • D06F37/261—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements
    • D06F37/262—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements made of plastic material, e.g. by injection moulding
    • 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
    • D06F37/206—Mounting of motor

Definitions

  • the following invention consists in a fastening system attaching the motor on to the tub of a washing machine the system being of the type where the motor features at least one pair of radial annular lugs provided with an opening designed for the insertion of a tubular noise damping member by means of which the anchoring on to the tub of the washing machine is implemented, the tub being provided with corresponding lugs realised during the production of the plastic tub to be fastened on to the corresponding radial lugs of the motor, whereby the lugs are provided with an axial extension.
  • the motor is attached solely by way of two lugs arranged radially on its surface, which lugs must have a throughhole so that the anchoring with relation to the annular member defined is realized by maintaining the position of said annular member relative to a tubular extension of a radial lug of the tub, the surface of said extension being externally conical at its point of origin and cylindrical for the rest of its length so that, between said extension and the annular lug of the motor there remains, peripherally, a free space available to insert the corresponding plastic fastener bushing.
  • Said plastic bushing is provided with a head from which the tubular bushing properly speaking projects provided with some axial cuts defining several segments and permitting them to open out during the anchoring process as they pass along the conical section of the anchoring lug extension of the motor and finally featuring a threaded screw contributing to the opening of the bushing segments.
  • the fastening system described will be used in clamping the motor on to a washing machine tub, which applies more particularly to those washing machines the plastic tub of which is formed by two halves linked to each other, thus offering a possibility of disassembly.
  • the motors made to be installed in washing machines have a pair of radial lugs or extensions arranged axially so that lugs have corresponding holes in which a coating of silicone rubber in the pasty state of a generally tubular form is applied in order to eliminate noise and vibration and to enable slack.
  • the plastic tub of the washing machine have a pairs of radially projecting lugs provided, at right angles, with cylindrical extensions in order to penetrate the holes of the radial lugs of the motor.
  • a fixing of the found annular position of the motor by a nut and a bolt which passes through both, an arcuate slot and a cylindrical hole, one for example in a part of the tub and the other in a part of the motor.
  • Such additional means for fixing the motor position are expensive and complicated to handle while mounting and adjusting the motor for a trouble-free operation.
  • This patent specification describes a fastening system attaching the motor on to the tub of a washing machine the system being of the type where the motor features at least one pair of radial annular lugs provided with an opening designed for the insertion of a tubular noise damping member by means of which the anchoring on to the tub of the washing machine is implemented, the tub being provided with corresponding lugs realised during the production of the plastic tub to be fastened on to the corresponding radial lugs of the motor, whereby the lugs are provided with an axial extension.
  • the external surface of the corresponding lugs is, at its point of origin, of conical shape, any such extension having an axially central opening as well as fastening means for the pair of annular lugs of the motor on to said axial extensions of the radial lugs of tub.
  • plastic bushings consisting of a disc-shaped head and a tubular projection, relative to one of its bases, provided with axial openings over its entire length, which openings define segments, moreover the head of said bushing has a central hole, the plastic bushings are disposed between each annular lug and the axial extension of its corresponding radial lug of the tub.
  • the anchoring of the motor on the tub lugs is performed by arranging the axial extension of said lugs of the tub with respect to the annular member of the anchoring lugs of the motor, maintaining an empty space between them into which the anchoring bushing is inserted in respect to its tubular extension provided with various openings so that, as the bushing is inserted and reaches the ends of the segments on the conical section of the tubular extension of the bushing, the radial cuts of said tubular extension of will open on to the annular body of the motor lugs, which operation is facilitated by the introduction of a screw through the hole in the head of the bushing and the axial hole central to the extension.
  • the corresponding half 1 of the plastic tub of the washing machine features several, preferably two, projections 2, which projections 2 are provided with a section 12 that is conical at its origin and generally cylindrical along the remainder of its length, each of them featuring a central through hole 3 so that in relation thereto a pair of annular projections 4 of the body of the engine can be arranged so that between them there remains a peripheral free space into which the plastic bushing 5 can be placed.
  • Said plastic bushing 5 has a generally disc-shaped head with a central hole 6 and a tubular extension with respect to one of its bases provided with axial cuts forming various sectors or segments 7, three segments of 120° each being terminated on their outside by a small projection 8 similar to the tip barb of a harpoon.
  • segments 7 of plastic bushing 5 are arranged in the space created by the corresponding extension 2 in relation to the corresponding radial lug of half 1 of the tub and the extension 4 of the motor so that upon its insertion segments 7, as they contact the innermost segment 12 of projection 2, open out on annular lug 4 of the motor, realising a perfect fastening, to which the corresponding screws 9 contribute.
  • the motor is fastened by means of its two ring-shaped annular projections while being in a floating position, reducing costs thanks to the lower number of parts used as well as by eliminating some manpower.
  • the fastening system described for attaching a motor to the tub of a washing machine definitely leads to substantial economic savings as regards the materials used; moreover, it reduces manpower needs, which entail substantially reduced operating costs and ensure an optimum and reliable fastening eliminating noises.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
  • Springs (AREA)
  • Connection Of Plates (AREA)
  • Bolts, Nuts, And Washers (AREA)
  • Lubrication Details And Ventilation Of Internal Combustion Engines (AREA)
EP19990500015 1998-02-19 1999-01-29 Fastening System Attaching the Motor on to the Tub of a Washing Machine Expired - Lifetime EP0937807B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
ES99500015T ES2197592T3 (es) 1998-02-19 1999-01-29 Dispositivo para fijar el motor de la cuba de una lavadora.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES9800337 1998-02-19
ES9800337A ES2154536B1 (es) 1998-02-19 1998-02-19 Sistema de sujecion del motor a la cuba de lavadoras.

Publications (2)

Publication Number Publication Date
EP0937807A1 EP0937807A1 (en) 1999-08-25
EP0937807B1 true EP0937807B1 (en) 2003-04-16

Family

ID=8302828

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19990500015 Expired - Lifetime EP0937807B1 (en) 1998-02-19 1999-01-29 Fastening System Attaching the Motor on to the Tub of a Washing Machine

Country Status (4)

Country Link
EP (1) EP0937807B1 (es)
DE (1) DE69906851T2 (es)
ES (2) ES2154536B1 (es)
TR (1) TR199900359A2 (es)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102005060362A1 (de) * 2005-12-16 2007-06-21 BSH Bosch und Siemens Hausgeräte GmbH Befestigungsvorrichtung für einen Motor in einem Haushaltgerät
DE102006027440B3 (de) * 2006-06-12 2007-05-31 Miele & Cie. Kg Vorrichtung zum Befestigen eines Motors an einem Laugenbehälter einer Waschmaschine
ES2336871B1 (es) * 2007-09-28 2011-02-16 Bsh Electrodomesticos España S.A. Lavadora.
CN102134800B (zh) * 2011-03-04 2016-07-13 青岛海尔洗衣机有限公司 一种小型洗衣机电机的无固定连接方式
ES2430948B1 (es) * 2012-05-22 2014-09-10 Bsh Electrodomésticos España, S.A. Aparato electrodoméstico con sistema de fijación de motor
EP3165664B1 (en) * 2015-11-05 2020-07-22 Electrolux Appliances Aktiebolag Washing group for laundry washing machines
KR102424700B1 (ko) * 2017-08-28 2022-07-26 삼성전자주식회사 드럼 세탁기
DE102017222085A1 (de) 2017-12-06 2019-06-06 BSH Hausgeräte GmbH Befestigungssystem für einen Elektromotor in einem Haushaltsgerät, im Befestigungssystem enthaltene Buchse, dieses aufweisendes Haushaltsgerät und Verfahren zur Befestigung eines Elektromotors

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1181072B (it) * 1984-02-13 1987-09-23 Zanussi A Spa Industrie Vasca in materia plastica per macchine lavabiancheria
DE3927166A1 (de) * 1989-08-17 1991-02-21 Bosch Siemens Hausgeraete Trommelwaschmaschine
IT1264052B (it) * 1993-02-08 1996-09-09 Merloni Elettrodomestici Spa Macchina di lavaggio con motore a montaggio rapido
EP0750064A1 (en) * 1995-06-24 1996-12-27 Whirlpool Europe B.V. Fixing method for a domestic washing machine motor, and the resultant washing machine
IT1289377B1 (it) * 1996-05-22 1998-10-02 Electrolux Zanussi Elettrodome Dispositivo per il montaggio del motore in una macchina lavabiancheria

Also Published As

Publication number Publication date
ES2154536B1 (es) 2001-11-01
ES2197592T3 (es) 2004-01-01
TR199900359A3 (tr) 1999-10-21
TR199900359A2 (xx) 1999-10-21
DE69906851T2 (de) 2003-11-20
DE69906851D1 (de) 2003-05-22
ES2154536A1 (es) 2001-04-01
EP0937807A1 (en) 1999-08-25

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