EP3578707B1 - Appareil de traitement de linge - Google Patents

Appareil de traitement de linge Download PDF

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Publication number
EP3578707B1
EP3578707B1 EP19174062.0A EP19174062A EP3578707B1 EP 3578707 B1 EP3578707 B1 EP 3578707B1 EP 19174062 A EP19174062 A EP 19174062A EP 3578707 B1 EP3578707 B1 EP 3578707B1
Authority
EP
European Patent Office
Prior art keywords
tub
laundry treating
treating appliance
welding
appliance according
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.)
Active
Application number
EP19174062.0A
Other languages
German (de)
English (en)
Other versions
EP3578707A1 (fr
Inventor
Chao Ye
Weiyong Liang
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 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 Hausgeraete GmbH filed Critical BSH Hausgeraete GmbH
Priority to PL19174062T priority Critical patent/PL3578707T3/pl
Publication of EP3578707A1 publication Critical patent/EP3578707A1/fr
Application granted granted Critical
Publication of EP3578707B1 publication Critical patent/EP3578707B1/fr
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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
    • D06F37/263—Tubs made by a specially selected manufacturing process or characterised by their assembly from elements assembled from at least two elements connected to each other; Connecting or sealing means therefor
    • 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
    • D06F37/264—Tubs provided with reinforcing structures, e.g. ribs, inserts, braces
    • 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
    • D06F58/00—Domestic laundry dryers
    • D06F58/20—General details of domestic laundry dryers 
    • 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
    • D06F25/00—Washing machines with receptacles, e.g. perforated, having a rotary movement, e.g. oscillatory movement, the receptacle serving both for washing and for centrifugally separating water from the laundry and having further drying means, e.g. using hot air 

Definitions

  • the present invention relates to a laundry treating appliance for laundry washing and/or drying, and in particular to a connection structure for plastic parts of the laundry treating appliance.
  • Laundry treating appliances are typically provided with a laundry treating space in which the laundry is washed and/or dried.
  • a washing liquid and/or dry air are/is agitated or flow(s) within the treating space.
  • the treating space typically includes a fluid passageway or a container formed by combining a plurality of assemblies.
  • the plurality of assemblies is connected through friction welding.
  • the WO 2007/115894 A1 describes a tub for a clothes washing-machine, which houses a rotating drum within which the washing load is placed.
  • the tub is formed by a tub front section and a tub rear section, which are joined by fusion welding of respective plastic material edges of these sections, wherein the edges are joined by at least two joining lines.
  • the WO 2010/029112 A1 describes a method for reducing vibration in a rotary system of a washing machine, comprising balancing said rotary system by providing a substantially circular chamber having a fulcrum on an axis of said rotary system and being partially filled with an amount of a thixotropic balancing substance.
  • a drum of the machine may comprise hollow spacers providing openings of possibly hexagonal shape that may be produced by friction welding.
  • welding burs may be generated during the friction welding, and wool or fluff comes off the laundry when washing and/or drying are/is performed in the laundry treating space.
  • the wool or fluff easily adheres to an area of the welding burs, absorbing more dirt or affecting the drying effect.
  • One object of the present invention is to provide an improved laundry treating appliance.
  • a laundry treating appliance includes a hollow mechanism in which a fluid passageway or a container is formed, the hollow mechanism including a first member and a second member, the first member having a first flat surface before assembly, the second member having a second flat surface before assembly, the first member and the second member being fixedly connected through friction welding of the first flat surface and the second flat surface to form the hollow mechanism, and at least one of the first flat surface and the second flat surface having protruding welding ribs that constitute edges of several closed geometric units joined to each other.
  • the welding ribs that form the closed geometric units joined to each other have a longer welding line, a larger area, and higher welding strength, thus achieving a firmer and more reliable connection between the first member and the second member and higher tightness of welding points.
  • the geometric units are of polygonal structures.
  • the geometric units have a same shape.
  • the geometric units may be of hexagons.
  • the geometric units form a substantially honeycomb-shaped structure after being joined to each other.
  • the welding ribs include a main welding rib that protrudes higher and an auxiliary welding rib that protrudes lower, where the auxiliary welding rib is at least distributed on an outer circumference of the geometric units at the periphery, and the main welding rib is located in the interior of weld zones that are enclosed by the auxiliary welding rib.
  • the higher main welding rib melts to a larger extent
  • the lower auxiliary welding rib melts to a smaller extent.
  • weld burs are generally present on the main welding rib but are not or rarely present on the auxiliary welding rib. Since the auxiliary welding rib is located on the outer circumference of the weld zone, wool or fluff is not easily hooked due to the weld burs.
  • the laundry treating appliance has a rotary drum configured to accommodate laundry and a tub disposed around the drum, the hollow mechanism including the tub.
  • an inner surface of a wall of the tub has a groove, the groove being covered by a cover plate, the cover plate being fixedly connected to the wall of the tub to form an air condensing passageway between the groove and the cover plate, the first member including the wall of the tub, and the second member including the cover plate.
  • the tub includes a front tub and a rear tub that respectively have a first fitting face and a second fitting face that are opposite to each other, the first member including the front tub, and the second member including the rear tub.
  • the welding ribs may be formed on at least one of the first fitting face and the second fitting face.
  • the laundry treating appliance has a rotary drum configured to accommodate laundry, a tub disposed around the drum, and a passageway connected to the tub that allows passage of dry air, where the hollow mechanism includes the passageway that allows the passage of the dry air.
  • the hollow mechanism is made of plastic.
  • a washer-dryer 10 has a rotary drum 2 configured to accommodate laundry and a tub 4 disposed around the drum 2.
  • a condensing passageway 6 is integrally formed on the tub 4.
  • An outlet 62 of the condensing passageway 6 is connected to a fan 8.
  • the other end of the fan 8 is connected to an air heating passageway 9.
  • An outlet 91 of the air heating passageway 9 communicates with the tub 4.
  • the tub 4, the condensing passageway 6, the fan 8, and the air heating passageway 9 therefore form an air circulation loop.
  • humidified and hot air exchanges heat in the condensing passageway 6, and moisture in the air is liquefied into water and separated from the air.
  • the tub 4 includes a front tub 41 and a rear tub 42 that respectively have a first fitting face 410 and a second fitting face 420 that are opposite to each other and are substantially flat.
  • the first fitting face 410 and the second fitting face 420 are connected through friction welding, with a first weld zone 43a therebetween.
  • an inner surface 440 of a rear wall 44 of the tub 4 has a groove 441.
  • the groove 441 is covered by a cover plate 5, and the cover plate 5 is fixedly connected to the rear wall 44 of the tub to form the condensing passageway 6 between the groove 441 and the cover plate 5.
  • the cover plate 5 is connected to the rear wall 44 of the tub 4 through friction welding, with a second weld zone 43b therebetween.
  • the cover plate 5 has a third fitting face 51 that is substantially flat, and a side of the rear wall 44 of the tub that faces the cover plate 5 has a fourth fitting face 442 that is substantially flat.
  • the tub may be connected to a separate condensing passageway that allows passage of dry air.
  • the passageway is formed of two butted assemblies. The two assemblies are connected through friction welding.
  • the tub 4, the cover plate 5, the independent condensing passageway, and the like that are described above are made of plastic by means of injection molding.
  • the first fitting face 410 and the third fitting face 51 are respectively provided with protruding welding ribs 7.
  • the welding ribs 7 constitute edges of several closed geometric units 70 that are joined to each other.
  • the geometric units 70 are of hexagonal structures having a same shape and a same size.
  • the welding ribs 7 include a main welding rib 71 that protrudes higher and an auxiliary welding rib 72 that protrudes lower.
  • the auxiliary welding rib 72 is distributed on an outer circumference of the geometric units at the periphery. It can also be understood that the auxiliary welding rib 72 is located at edges of the first weld zone 43a and the second weld zone 43b.
  • the main welding rib 71 is located in the interior of the weld zones 43a and 43b that are enclosed by the auxiliary welding rib 72. A part of the auxiliary welding rib 72 may also be located in the interior of the weld zones 43a and 43b.

Landscapes

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

Claims (8)

  1. Appareil de traitement de linge comprenant un tambour rotatif (2) réalisé pour loger du linge et une cuve (4) disposée autour du tambour (2) comprenant un mécanisme à cavité dans lequel un passage pour un fluide ou un conteneur est formé, le mécanisme à cavité comprenant un premier élément et un deuxième élément, le premier élément ayant une première surface plate (410, 51) avant assemblage, le deuxième élément ayant une deuxième surface plate (420, 442) avant assemblage, et le premier élément et le deuxième élément étant solidement raccordés par soudage par friction de la première surface plate (410, 51) et de la deuxième surface plate (420, 442) pour former le mécanisme à cavité, le mécanisme à cavité comprenant la cuve (4) avec un avant de cuve (41) et un arrière de cuve (42), le premier élément comprenant l'avant de cuve (41) et le deuxième élément comprenant l'arrière de cuve (42), dans lequel au moins l'une de la première surface plate (410, 51) et de la deuxième surface plate (420, 442) présente des nervures de soudage saillantes (7, 71, 72), et caractérisé en ce que les nervures de soudage (7, 71, 72) constituent les bords de plusieurs unités géométriques fermées (70), lesquelles sont de structures polygonales, jointes l'une à l'autre.
  2. Appareil de traitement de linge selon la revendication 1, caractérisé en ce que les unités géométriques (70) ont la même forme.
  3. Appareil de traitement de linge selon la revendication 2, caractérisé en ce que les unités géométriques (70) sont constituées d'hexagones.
  4. Appareil de traitement de linge selon l'une quelconque des revendications 1 à 3, caractérisé en ce que les nervures de soudage (7) comprennent une nervure de soudage principale (71) qui s'avance plus haut et une nervure de soudage auxiliaire (72) qui s'avance plus bas, dans lequel la nervure de soudage auxiliaire (72) est au moins distribuée sur une circonférence extérieure des unités géométriques (70) à la périphérie, et la nervure de soudage principale (71) est située dans l'intérieur de zones de soudage (43a, 43b) délimitées par la nervure de soudage auxiliaire (72).
  5. Appareil de traitement de linge selon la revendication 1, caractérisé en ce qu'une surface intérieure (440) d'une paroi arrière (44) de la cuve (4) présente une gorge (441), la gorge (441) étant recouverte par une plaque de recouvrement (5), la plaque de recouvrement (5) étant solidement raccordée à la paroi arrière (44) de la cuve pour former un passage de condensation d'air (6) entre la gorge (441) et la plaque de recouvrement (5), le premier élément comprenant la paroi arrière (44) de la cuve, et le deuxième élément comprenant la plaque de recouvrement (5).
  6. Appareil de traitement de linge selon la revendication 1, caractérisé en ce que l'avant de cuve (41) et l'arrière de cuve (42) ont respectivement une première face de raccord (410) et une deuxième face de raccord (420) l'une en face de l'autre, et la nervure de soudage (7, 71, 72) étant formée sur au moins l'une de la première face de raccord (410) et de la deuxième face de raccord (420).
  7. Appareil de traitement de linge selon la revendication 4, caractérisé en ce qu'il présente un passage (6) raccordé à la cuve (4) qui permet le passage d'air sec, dans lequel le mécanisme à cavité comprend le passage (6) qui permet le passage de l'air sec.
  8. Appareil de traitement de linge selon la revendication 1, caractérisé en ce que le mécanisme à cavité est en plastique.
EP19174062.0A 2018-06-05 2019-05-13 Appareil de traitement de linge Active EP3578707B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL19174062T PL3578707T3 (pl) 2018-06-05 2019-05-13 Urządzenie do przetwarzania prania

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810566605.5A CN110565328B (zh) 2018-06-05 2018-06-05 衣物处理器具

Publications (2)

Publication Number Publication Date
EP3578707A1 EP3578707A1 (fr) 2019-12-11
EP3578707B1 true EP3578707B1 (fr) 2022-01-19

Family

ID=66529855

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19174062.0A Active EP3578707B1 (fr) 2018-06-05 2019-05-13 Appareil de traitement de linge

Country Status (3)

Country Link
EP (1) EP3578707B1 (fr)
CN (1) CN110565328B (fr)
PL (1) PL3578707T3 (fr)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2013399B1 (fr) * 2006-04-12 2010-05-26 BSH Bosch und Siemens Hausgeräte GmbH Bac pour machine à laver

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU2009290934B2 (en) * 2008-09-10 2015-12-10 Bertil Carnehammar Method, system and device for reducing vibration in an article processing machine, such as a washing machine
CN206502987U (zh) * 2016-09-30 2017-09-19 无锡小天鹅股份有限公司 滚筒洗衣机的后外桶、外桶组件、桶组件及滚筒洗衣机

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2013399B1 (fr) * 2006-04-12 2010-05-26 BSH Bosch und Siemens Hausgeräte GmbH Bac pour machine à laver

Also Published As

Publication number Publication date
PL3578707T3 (pl) 2022-04-04
CN110565328A (zh) 2019-12-13
EP3578707A1 (fr) 2019-12-11
CN110565328B (zh) 2022-08-09

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