WO2006037764A1 - Tragstern für eine waschmaschine - Google Patents
Tragstern für eine waschmaschine Download PDFInfo
- Publication number
- WO2006037764A1 WO2006037764A1 PCT/EP2005/054954 EP2005054954W WO2006037764A1 WO 2006037764 A1 WO2006037764 A1 WO 2006037764A1 EP 2005054954 W EP2005054954 W EP 2005054954W WO 2006037764 A1 WO2006037764 A1 WO 2006037764A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- arms
- carrier
- support
- star
- arm
- Prior art date
Links
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
-
- 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
- D06F37/00—Details specific to washing machines covered by groups D06F21/00 - D06F25/00
- D06F37/02—Rotary receptacles, e.g. drums
- D06F37/04—Rotary receptacles, e.g. drums adapted for rotation or oscillation about a horizontal or inclined axis
-
- 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
- D06F37/267—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups
- D06F37/269—Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups for the bearing of the rotary receptacle
Definitions
- the invention relates to a support star for stabilizing and for mounting on the rear wall of a drum-like component of a washing machine, which rooted at least three arms in the center of the supporting star and made of hollow castings with kastenförmi- like, open profile and at a distance of a length from the central axis the support star, preferably about half of the length of each arm provided Stauer ⁇ points that serve to support against the rear wall of the drum-like component.
- Such support stars for a laundry drum are known from DE 14 60 840 A1 and DE 24 32 465 A1.
- containers carrying stars with even greater rigidity are required for the transmission of larger forces than in the case of a laundry drum. They consist mainly of cast steel, for example according to DE 39 27 166 A1, but are always rather dispensable, because tubs are increasingly made of plastic and the rigidity in this way becomes a design element of the tub.
- the known support stars is especially their high price in the criticism, which is the design of a single cast component and from the relatively large Materialbe ⁇ may develop for it.
- the known support stars are relatively heavy and therefore require on the front of the tub in question a correspondingly heavy balance weight, which in turn requires higher costs than necessary.
- the invention is therefore based on the object to design a support star described above so that it is suitable for saving weight and costs with minimal mögli ⁇ chem material costs for the transmission of forces occurring in washing machines in the range of tubs or laundry drums.
- this object is solved by the characterizing part of claim 1 in such a way that the open profile of the arms consists of a pair of interconnected, at least a flat rectangle similar surfaces, which form the cross section of straps and with one of their short sides to Have the rear wall of the drum-like component, and that the two carriers at least at the Stütz ⁇ points each by a third carrier similar cross-sectional area from arm to arm with are each linked to a carrier of the other arms.
- This lattice construction offers the best conditions for making the carrier star with the least possible expenditure of material so stable that its weight can be reduced by almost 40% compared to a conventional carrier star with a constant high force transmission capability. This also brings considerable cost savings even with other components of the washing machine.
- the paired carriers are interconnected by a latticework (claim 2).
- the carriers required for transmitting power to the drum-like component can then be dimensioned exclusively for this task, while their dimensional stability in and of themselves is achieved by the filigree latticework.
- An embodiment which has proven particularly suitable is an embodiment in which at least the carriers arranged in pairs run in an arc with mutually opposite curvatures (claim 3).
- the design itself already has a sufficiently high rigidity, which makes further measures superfluous.
- the above development is particularly stable when the neutral fibers of both carriers of a pair ver ⁇ run through the center axis of the supporting star and each of the extending through the central axis carrier is part of two arms, so that the respectively associated carrier each arm in the central axis crossing (claim 4).
- the arcuate supports can continue to run from the support points with the same curvature in the direction of the arm ends and be linked together at the end points of the arms (claim 6) in order to produce a stable shape of the support star arms.
- the arcuate supports continue to run from the support points with greater curvature and intersect in front of the ends of the arms (claim 7). In this case, it is of particular torsionally stiffening effect if the arcuate supports end at the ends of the arms at a distance from one another and are connected to one another by means of a transverse bolt (claim 8).
- the carriers of each pair are connected to each other at the level of the support points by a transverse strut (claim 9).
- the cross strut can be very filig ⁇ ran, it causes a security against rotation in the main wearers of the arm.
- all arms are advantageously fastened to a bearing hub in such a way that each arc running through the center axis of the support star is arranged at a distance from the adjacent arc of the adjacent arm (claim 10).
- a designed according to the invention star carrier has such a profile open to the sides that all its components are made according to a further advantageous embodiment of a material in the continuous casting (claim 12). This method allows the most favorable conditions for an inexpensive mass production of the carrier star.
- the cavities formed by the lattice structure of the arms on the side remote from the drum-like component are at least partially - A -
- FIG. 3 is a view of a variant of the lattice structure of a ges ⁇ taltet according to the invention thighssstern with pointed arms,
- Fig. 4 is a view corresponding to FIG. 3 to another variant with blunt enden ⁇ the arms and
- Fig. 5 is a view of a variant of the support star according to FIG. 3 with four arms.
- a vibration system 2 consisting of a tub 3 and a horizontally and rotatably mounted laundry drum 4, the disc via a shaft 5, a Riemen ⁇ 6 and a belt 7 of an electric motor 8 is driven, hanging on springs 9 and is mounted standing on shock absorbers 10.
- the tub 3 has on its rear side a recognizable only from the side of the carrier star 11, in the center of which is a bearing 12 for the shaft journal 5 of the laundry drum 4.
- the laundry drum 4 is also supported by a support star 13 on its rear side, the center of which is non-rotatably connected to the shaft journal 5, so that the laundry drum 4 can rotate concentrically with the bearing 12 of the tub inside the tub 3.
- a support star 13 is shown in Fig. 2 in a view of the laundry drum rear wall 14 side facing.
- Such a support star consists of an aluminum die-cast piece, the arms 15 of which are profiled in an apparent manner by the section along the section line M-II.
- the cross-section shows that the arms 15 each consist of five supports 16 to 20, which, viewed in cross-section, are at least almost perpendicular to the rear wall 14 of the laundry drum 4 and these connecting lower belts 21 and 22 and upper belts 23 and 24.
- These elongated parts of the arms are integrally connected centrally with each other and with a Ronde 25 which carries the shaft 5.
- carrier stars are also known (not shown) which have only two parallel carriers per arm, which, however, each have a larger cross-sectional area than in the case of the illustrated carrier star and through a lower belt are connected as well as on the side facing away from the rear wall each carrier carry a flange-like upper flange, which serves one side for stiffening the carrier and on the other hand for attachment to the rear wall.
- FIG. 3 contains only carriers with a cross-section which is very similar to a narrow rectangle, as can be seen in the subfigure of FIG. 3 showing the section IM-III by the carrier part 27-2. Cuts in other places of the carrier give the same shape.
- the support star of Fig. 3 has in known manner a Ronde 25 for the shaft journal (not shown here), are mounted on the circumference at regular intervals carrier 27 to 29. The carriers 27 to 29 are bent uniformly, and their neutral fibers 30 to 32 intersect at the center of the blank 25.
- two carrier parts 27-1 and 29-2, 28-1 and 27-2 and 29-1 and 28 2 form a pair of brackets which constitute the essential part of an arm 33, 34 and 35, respectively.
- approximately centrally to their Län ⁇ ge bases 36 to 41 are attached to which also third, also arcuate support 42 to 44 are mounted, which effect a mutual support of the arms 33 to 35 with each other.
- transverse struts 45, 46 and 47 are used.
- the carriers run in pairs toward each other pointedly and are combined by connecting regions 48 to 50, with which they can be suitably connected, for example by means of connecting sections 48 to 50.
- an inventive starter can be designed with blunt ends of the arms 33 to 35.
- the third carriers 42 to 44 of FIG. 3 are beyond the support points 36, 37 and 38, 39 and 40, 41 also up to the connection areas 48-1, 48-2 and 49-1, 49-2 and 50-1 , 50-2 extended. This creates an arrangement which is more resistant to torsional forces.
- FIG. 4 the same components are denoted by the same reference numerals as in Fig. 3
- the transverse struts 45 to 47 shown in dashed lines can be dispensed with because the points of intersection of the carriers 27-1 with 29-2, 28-1 with 27-2 and 29-1 with 28-2 are already sufficient Torsionsstei ⁇ ability in the carriers 27 to 29 achieve.
- FIG. 5 shows, on the basis of an exemplary embodiment with arms 14 to 57 tapering toward one another in a pointed manner, that a four-armed supporting star can also be designed according to the same principles as in FIG. 3.
- the principles of a three-armed variant disclosed in FIG. 4 can also be directly transferred to a four-armed variant (without being shown here in greater detail).
- the slightly broader arms 54 to 57 can be made narrower by the fact that the uniformity of the curves of the sheets is abandoned. In this case, the arches of the carriers starting from the blank 25 would first of all be more strongly curved and leak out to the tip in a flatter manner. But the bow can also lead in further strong curvature to cross over the carrier similar to the variant of FIG. 4. Therein, the principles of this variant would be used at least partially.
- the arcuate beams 27-29 and 42-44 have proven to be the best forwarding and transmitting forces. If other requirements are required, however, the carriers can also have smaller curvatures or even be made at least approximately straight. But then further carrier parts are required in a grid-like arrangement, so that the recoverable with the illustrated and optimized embodiments weight advantage is partially lost again. However, there still remains a significant advantage over the known support stars shown at the outset.
- a cover through a molded-skin may be made of the same material as the supports, or may be made of another material that may otherwise be used, e.g. B. by Ver ⁇ , is connected to the carriers.
- a backfilling can be realized, for example, by foaming the cavities.
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Rigid Containers With Two Or More Constituent Elements (AREA)
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05801279A EP1797233A1 (de) | 2004-10-01 | 2005-09-30 | Tragstern für eine waschmaschine |
EA200700483A EA009991B1 (ru) | 2004-10-01 | 2005-09-30 | Крестовина для стиральной машины |
US11/664,226 US20080178635A1 (en) | 2004-10-01 | 2005-09-30 | Mounting Star for a Washing Machine |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004047996A DE102004047996A1 (de) | 2004-10-01 | 2004-10-01 | Tragstern für eine Waschmaschine |
DE102004047996.8 | 2004-10-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006037764A1 true WO2006037764A1 (de) | 2006-04-13 |
Family
ID=35539667
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/054954 WO2006037764A1 (de) | 2004-10-01 | 2005-09-30 | Tragstern für eine waschmaschine |
Country Status (7)
Country | Link |
---|---|
US (1) | US20080178635A1 (de) |
EP (1) | EP1797233A1 (de) |
KR (1) | KR20070057227A (de) |
CN (1) | CN101057020A (de) |
DE (1) | DE102004047996A1 (de) |
EA (1) | EA009991B1 (de) |
WO (1) | WO2006037764A1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009003875A1 (en) * | 2007-06-29 | 2009-01-08 | Basf Se | Basket assembly for a washing machine |
KR20100030064A (ko) * | 2008-09-09 | 2010-03-18 | 삼성전자주식회사 | 드럼 세탁기 |
DE102013221288A1 (de) | 2013-10-21 | 2015-04-23 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zum Herstellen einer Anordnung für ein Haushaltsgerät, Anordnung und Haushaltsgerät zur Pflege von Wäschestücken |
DE102014208656A1 (de) | 2014-05-08 | 2015-11-12 | BSH Hausgeräte GmbH | Haushaltsgerät zur Pflege von Wäschestücken mit einem spezifisch ausgebildeten Bereich zwischen einer Trommel und einem Tragstern |
EP3421655A4 (de) * | 2016-02-25 | 2019-10-23 | TCL Home Appliances (Hefei) Co., Ltd. | Innenzylinderanordnung für waschmaschine und trommelwaschmaschine |
CN109790675A (zh) * | 2016-09-08 | 2019-05-21 | 菲舍尔和佩克尔应用有限公司 | 电器直接驱动电机安装装置 |
US10487435B2 (en) | 2017-03-23 | 2019-11-26 | Midea Group Co., Ltd. | Tub for a laundry washing machine |
US10975513B2 (en) | 2017-03-23 | 2021-04-13 | Midea Group Co., Ltd. | Tub with bearing housing insert for a laundry washing machine |
CN106968082B (zh) * | 2017-03-29 | 2019-09-17 | 无锡小天鹅电器有限公司 | 用于滚筒洗衣机的三脚架及具有其的滚筒洗衣机 |
US11859334B2 (en) | 2020-12-09 | 2024-01-02 | Samsung Electronics Co., Ltd. | Washing machine |
KR20220081765A (ko) * | 2020-12-09 | 2022-06-16 | 삼성전자주식회사 | 세탁기 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2432465A1 (de) * | 1974-07-06 | 1976-01-15 | Thielmann Geb Ag | Trommelwaschmaschine |
DE3927166A1 (de) * | 1989-08-17 | 1991-02-21 | Bosch Siemens Hausgeraete | Trommelwaschmaschine |
EP1094144A2 (de) * | 1999-10-19 | 2001-04-25 | Lg Electronics Inc. | Aufbau der Antriebseinheit in einer Trommelwaschmaschine |
WO2004009264A1 (de) * | 2002-07-19 | 2004-01-29 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur befestigung der trommel einer waschmaschine und befestigung dafür |
EP1528136A2 (de) * | 2003-10-29 | 2005-05-04 | Miele & Cie. KG | Waschaggregat für eine Waschmaschine mit einem Laugenbehälter aus Kunststoff |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100455187B1 (ko) * | 2002-01-17 | 2004-11-06 | 엘지전자 주식회사 | 세탁기의 세탁조 구조 |
ATE410536T1 (de) * | 2002-05-17 | 2008-10-15 | Arcelik As | Eine trommel |
-
2004
- 2004-10-01 DE DE102004047996A patent/DE102004047996A1/de not_active Withdrawn
-
2005
- 2005-09-30 CN CNA2005800330087A patent/CN101057020A/zh active Pending
- 2005-09-30 EA EA200700483A patent/EA009991B1/ru not_active IP Right Cessation
- 2005-09-30 WO PCT/EP2005/054954 patent/WO2006037764A1/de active Application Filing
- 2005-09-30 US US11/664,226 patent/US20080178635A1/en not_active Abandoned
- 2005-09-30 EP EP05801279A patent/EP1797233A1/de not_active Withdrawn
- 2005-09-30 KR KR1020077007312A patent/KR20070057227A/ko not_active Application Discontinuation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2432465A1 (de) * | 1974-07-06 | 1976-01-15 | Thielmann Geb Ag | Trommelwaschmaschine |
DE3927166A1 (de) * | 1989-08-17 | 1991-02-21 | Bosch Siemens Hausgeraete | Trommelwaschmaschine |
EP1094144A2 (de) * | 1999-10-19 | 2001-04-25 | Lg Electronics Inc. | Aufbau der Antriebseinheit in einer Trommelwaschmaschine |
WO2004009264A1 (de) * | 2002-07-19 | 2004-01-29 | BSH Bosch und Siemens Hausgeräte GmbH | Verfahren zur befestigung der trommel einer waschmaschine und befestigung dafür |
EP1528136A2 (de) * | 2003-10-29 | 2005-05-04 | Miele & Cie. KG | Waschaggregat für eine Waschmaschine mit einem Laugenbehälter aus Kunststoff |
Also Published As
Publication number | Publication date |
---|---|
EP1797233A1 (de) | 2007-06-20 |
US20080178635A1 (en) | 2008-07-31 |
EA200700483A1 (ru) | 2007-10-26 |
CN101057020A (zh) | 2007-10-17 |
EA009991B1 (ru) | 2008-06-30 |
DE102004047996A1 (de) | 2006-04-06 |
KR20070057227A (ko) | 2007-06-04 |
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