EP3283681A1 - Assembly comprising a washing drum and an imbalance compensation device, household appliance for handling items to be washed, and method for securing an imbalance compensation device - Google Patents
Assembly comprising a washing drum and an imbalance compensation device, household appliance for handling items to be washed, and method for securing an imbalance compensation deviceInfo
- Publication number
- EP3283681A1 EP3283681A1 EP16710475.1A EP16710475A EP3283681A1 EP 3283681 A1 EP3283681 A1 EP 3283681A1 EP 16710475 A EP16710475 A EP 16710475A EP 3283681 A1 EP3283681 A1 EP 3283681A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- coupling
- laundry drum
- compensation device
- webs
- arrangement 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.)
- Granted
Links
- 238000005406 washing Methods 0.000 title claims abstract description 12
- 238000000034 method Methods 0.000 title claims description 11
- 230000008878 coupling Effects 0.000 claims abstract description 91
- 238000010168 coupling process Methods 0.000 claims abstract description 91
- 238000005859 coupling reaction Methods 0.000 claims abstract description 91
- 230000000087 stabilizing effect Effects 0.000 claims description 18
- 230000007704 transition Effects 0.000 claims description 5
- 230000013011 mating Effects 0.000 claims 1
- 238000005452 bending Methods 0.000 description 10
- 238000004519 manufacturing process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 2
- 230000004323 axial length Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 210000001061 forehead Anatomy 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
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
- D06F37/22—Mountings, e.g. resilient mountings, for the rotary receptacle, motor, tub or casing; Preventing or damping vibrations in machines with a receptacle rotating or oscillating about a horizontal axis
- D06F37/225—Damping vibrations by displacing, supplying or ejecting a material, e.g. liquid, into or from counterbalancing pockets
Definitions
- Unbalance balancing device domestic appliance for the care of laundry items and method for attaching a
- the invention relates to an arrangement for a domestic appliance for the care of items of laundry, comprising a laundry drum and an imbalance compensation device.
- the invention further relates to a household appliance for the care of laundry, which comprises such an arrangement.
- the invention further relates to a method for fixing an annular unbalance compensation device on a laundry drum of a household appliance, wherein the unbalance compensation device is inserted into a circumferential axial receptacle of the laundry drum.
- an annular unbalance compensating device also known as a "ball balancer" - to the laundry drum an annular hollow housing in which a balancing mass is provided, for example in the form of a plurality of spherical compensating elements.
- This balancing mass is movably mounted in the interior of the housing and during operation of the washing machine tends to contact one of the unbalanced masses Diameter of the laundry drum - to move the opposite side, thus creating a counterweight for the imbalance mass and consequently overall balance.
- the interest is directed to the attachment of such an imbalance compensation device to a laundry drum.
- Such methods are already known from the prior art in various embodiments.
- the document US 201 1/0203325 A1 describes a solution in which the housing of the imbalance compensation device is injection-molded onto an axial end wall of the laundry drum.
- the KR 10 2008 037 420 A describes an arrangement in which an imbalance compensation device is fixed via a latching connection to a laundry drum.
- locking elements are formed on a radial outer circumference of a housing of the unbalance compensation device, which are engaged in corresponding latching openings of the laundry drum.
- the latching elements lie axially against an edge delimiting the respective latch opening, so that a positive connection is formed in the axial direction.
- Such a latching connection has in particular the disadvantage that it may come to a release of the latching connection.
- An inventive arrangement for a household appliance for the care of laundry comprises a laundry drum for receiving laundry items.
- the arrangement further comprises an annular unbalance compensation device, which is inserted in a circumferential axial receptacle in the laundry drum.
- An essential idea of the invention is to be seen in that the laundry drum has a coupling region for coupling to the unbalance compensation device, wherein the coupling region comprises two abutment walls standing at an angle to one another.
- the unbalance compensation device comprises a housing having a first housing wall, on which a coupling element protruding in the radial direction above the first housing wall is formed.
- the coupling element has two mutually oriented at an angle coupling webs, wherein in each case a coupling web rests against a respective abutment wall.
- the plant walls are in particular adjacent or adjacent to each other.
- the plant walls are oriented radially standing and arranged at an angle to the axis of the laundry drum at an angle thereto or obliquely to a line extending on the same axial length.
- the abutment walls are arranged relative to one another in such a way that they form a point when viewed in the direction of the longitudinal axis of the laundry drum.
- the abutment walls are arranged at an angle between 20 ° and 160 °, in particular between 60 ° and 120 ° to each other.
- the toothing to each other according to this specification improves on the one hand the security against rotation and on the other hand, the tension of the balancing device on the laundry drum.
- the abutment walls are oriented in the radial direction to a longitudinal axis of the laundry drum. They are therefore almost inward in the direction of the longitudinal axis. This can be a particularly large-scale contact with the coupling webs can be achieved. Also, this assembly is simplified. Such plant walls can be very targeted and thus accurately generated by bending processes.
- the abutment walls are formed as bends of a free cut in the laundry drum. It is preferably provided in the context that the laundry drum has such a cutout on a casing wall or on a front floor. At this free cut as bending bars or bending tabs contain these investment walls and are then bent by a simple Umbiegerea in their corresponding position for engagement with the coupling webs. The production is simplified and favors the positional movement of the plant walls in their final position.
- the coupling webs are formed contiguous. This means that they are quasi one-piece and therefore designed to be interruption-free. By orientation at an angle to each other thereby a particularly stable configuration is achieved.
- the coupling webs are each formed in a straight line and open at their free ends in each case in a stabilizing web of the coupling element.
- the coupling webs are supported by their direct abutment, in particular by the one-piece design, in itself and relative to each other and further improves the mechanical robustness by the additional stabilizing webs.
- the stabilizing webs are thus formed as raised structures that extend from the housing wall projecting.
- the stabilizing webs are oriented at an angle of less than 90 °, in particular less than 60 °, to the respectively adjacent coupling web. The mechanical robustness of the entire structure of the coupling element is thereby improved.
- the coupling webs and the stabilizing webs are integrally formed. This also increases the mechanical robustness. It is preferably provided that the housing has a second housing wall which opens at an angle to the first housing wall and the stabilizing webs extend beyond a transition between the housing walls and extend to a second housing wall. The dimensional stability and mechanical strength of a coupling element is further improved.
- the angle between the housing walls is preferably between 60 ° and 120 °, in particular between 80 ° and 100 °.
- the coupling element is formed with its coupling webs and stabilizing webs as M.
- the coupling element is designed as a deep-drawing element in the laundry drum.
- Such a configuration of the coupling element no additional materials must be attached to the housing wall to produce the coupling element.
- the coupling element is produced by this design quasi from the material of the housing wall itself, so that it is in turn mechanically very stable and positionally accurate permanently formed.
- the invention also relates to a household appliance for the care of laundry items, which has an arrangement according to the invention and an advantageous embodiment thereof.
- the household appliance is a washing machine or a washer-dryer.
- the invention also relates to a method for fastening an annular unbalance compensation device on a laundry drum of a household appliance for the care of laundry, wherein the unbalance compensation device is inserted into a circumferential axial receptacle of the laundry drum.
- An essential idea of the invention is to be seen in the fact that the laundry drum is formed with a coupling region with two mutually at an angle plant walls for coupling with the imbalance compensation device.
- the unbalance compensation device is formed with a housing having a first housing wall, wherein on the first housing wall a raised in the radial direction above the first housing wall projecting and formed with two mutually oriented at an angle coupling webs coupling element is formed.
- the attachment of the imbalance compensation device to the laundry drum takes place in that a coupling web rests against a respective investment wall. Due to the angled arrangement of the components to each other here a kind of teeth with maximum security against rotation in two directions is achieved.
- the imbalance compensating device is brought with its, in particular by deep drawing, coupling element in an end position to the laundry drum and then bent for fixing the formed on a free cut in the laundry drum abutment walls, so that they rest, in particular form-fitting, on the coupling webs.
- a punched-out portion is made, in particular on the housing wall, which is plastically deformed in a later process, this taking place in particular by deep-drawing, and thereby the coupling element is produced.
- an imbalance compensation device in the present case a device which is designed to compensate and thus to prevent imbalances of the laundry drum.
- the unbalance compensation device can have a compensating mass arranged movably in the housing, for example in the form of a plurality of spherical elements.
- Such an imbalance compensation device can also be referred to as a "ball balancer”.
- top, bottom, front, “rear”, “horizontal”, “vertical”, “depth direction”, “width direction”, “height direction”, etc. are the intended use and intended arrangement of the device and indicated in a given then in front of the device and looking in the direction of the device given positions and orientations.
- Fig. 1 is a schematic front view of an embodiment of a household appliance according to the invention for the care of laundry items
- Fig. 2 is a schematic representation of a sectional view through an area of a
- FIG. 3 is an enlarged view of a portion of a laundry drum of
- FIG. 4 shows the illustration according to FIG. 3 in the finished state of the abutment walls
- FIG. 6 is a perspective view of a portion of a
- Unbalance compensation device with a coupling element Unbalance compensation device with a coupling element.
- FIG. 1 is a simplified front view of a household appliance 1 for the care of laundry, which may be for example a washing machine or a washer-dryer, shown.
- the household appliance 1 comprises a housing 2, in which a laundry drum 3 is rotatably mounted.
- a longitudinal axis or axis of rotation A (FIG. 2) of the laundry drum 3 is oriented in this embodiment in the illustration in FIG. 1 perpendicular to the plane of the figure.
- the household appliance 1 further comprises a tub 4, which is also arranged in the housing 2 and surrounds the laundry drum 3.
- the laundry drum 3 comprises a hollow cylindrical shell and a rear end wall and is also designed to be open at the front, so that here a feed opening is provided, via which laundry items can be introduced into an interior 5 of the laundry drum 3.
- the loading opening can be closed by a door 6, which is arranged movably on the housing 2.
- FIG. 2 shows a vertical sectional illustration and thus a representation in the sectional plane relating to the y-z plane. It is the laundry drum 3 shown with the hollow cylindrical shell 7. The charging port 8 is also shown.
- the laundry drum 3 has, adjacent to a rear wall or rear end wall 9, a carrier star 10 which is fixedly connected to the laundry drum 3.
- the support star 10 is rotatably connected to a shaft 1 1, wherein the shaft 1 1 is driven by a drive motor, not shown, so that the rotation of the laundry drum 3 is effected about the axis of rotation A.
- the household appliance 1 in the embodiment shown comprises two unbalance compensation devices 13 and 14. As can also be seen, a plurality of drivers are arranged on the inner side 12, wherein in FIG. 2 only one driver 15 can be seen.
- the front unbalance compensating device 13 is viewed in the direction of the axis A in a front region 16 of the laundry drum 3 and in particular of the jacket 7 whereas the second unbalance compensation device 14 is arranged in a rear area 17.
- the first unbalance compensation device 13 is formed as a circumferential closed ring, which is rotationally symmetrical about the axis A oriented.
- the first unbalance compensating device 13 comprises a ring-shaped housing 18 in this respect, which in the sectional view in FIG. 2 has an identically quadrangular cross-section, which however can also be otherwise, for example D-shaped.
- This housing 18 has a cavity 19 in which one or more compensation elements 20 are arranged to be movable relative to the housing 18.
- a compensation element 20 may be a ball. It may also be arranged in addition to or instead of a liquid medium in the cavity 19.
- the second unbalance compensation device 14 is also formed, which also has a correspondingly formed housing 21, a cavity 22 inwardly therefrom and, in particular, preferably a plurality of compensating elements 23 movable in the cavity 22 relative to the housing 21.
- the imbalance compensation devices 13 and 14 are each inserted in circumferential receptacles 39.
- Fig. 3 the laundry drum 3 is shown in a partial perspective view.
- a coupling region 24 is formed in a jacket wall or in an arranged at an angle forehead bottom of the laundry drum 3.
- FIG. 3 a state is shown in which this coupling region 24 is not yet shown in the finished final state.
- a franking or a free cut 25 is formed in the coupling region 24, a franking or a free cut 25 is formed.
- the cutout 25 is partially bounded by bending webs 26 and 27, which still extend here in the plane of the wall of the laundry drum 3.
- two abutment walls 28 and 29 are generated by bending the bending webs 26 and 27 as shown in FIG.
- two abutment walls 28 and 29 are generated by bending the bending webs 26 and 27 as shown in FIG.
- the abutment walls 28 and 29 form an angle ⁇ to each other, which is between 70 ° and 1 10 °.
- the two Abutment walls 28 and 29 are also radially oriented and thus are preferably perpendicular to the axis A. They are inclined to a line at the same level around the axis of rotation A line.
- FIG. 5 a sectional view corresponding to the view in FIG. 2 is shown, wherein a partial region of the detail I in FIG. 2 is shown enlarged.
- a coupling element 30, which is integrally formed on an upper housing wall 18a of the housing 18 and extends in a raised radial direction outwards, emerges in an engagement region 31 of the laundry drum 3.
- This engagement region 31 is limited in particular at the front by the abutment walls 28 and 29.
- the coupling element 30 which is designed as a deep-drawing element in the housing wall 18a, which is a first housing wall 18a, comprises a first coupling web 32, which rests directly and over a large area and in particular also positively against the abutment wall 29.
- a not shown in Fig. 2, but shown in the perspective view of FIG. 6 further coupling web 33 is then correspondingly on the contact surface 28 over a large area and a form-fitting manner.
- the two coupling webs 32 and 33 are integrally formed and include an angle ß, which is according to the angle between the abutment walls 28 and 29.
- the coupling webs 32 and 33 form a viewed in the direction of the axis of rotation A triangle tip, which is oriented to a second housing wall 18 b of the housing 18.
- free ends 34 and 35 of the coupling webs 32 and 33 respectively open into a stabilizing web 36 and 37 of the coupling element 30, whereby once again a one-piece design is provided.
- an angle ⁇ is formed, which is smaller than 90 °, preferably between 35 ° and 50 °.
- the coupling element 30 is designed as M.
- the stabilizing webs 36 and 37 pass over a transition 38 between the first housing wall 18a and at an angle thereto arranged second housing wall 18b, which is preferably oriented between 80 ° and 100 ° to the first housing wall 18a, sublime. It is thus achieved a backup of the deep drawing element against bending back by a deformation on the transition 38 away on the second housing wall 18b.
- a one-piece and thus complete and uninterrupted configuration of the stabilizing webs 36 and 37 is formed.
- the unbalance compensation device 13 is first with the at least one coupling element 30 by appropriate production, as already explained and stamping and deep drawing of the coupling element 30 from the housing wall 18b, preferably also by a corresponding processing in the second housing wall 18b generated.
- the unbalance compensation device 13 thus provided is then brought to its end position to the laundry drum 3, as provided in accordance with FIG.
- bending of the bending webs 26 and 27 is then performed in a subsequent step to produce the orientation and configuration of the abutment walls 28 and 29, which then form-fitting on vertical sides of the coupling webs Abut 32 and 33, wherein preferably also upper sides of the coupling webs 32 and 33, which are thus facing away from the housing wall 18a, abut against the abutment walls 28 and 29 subsequent roof areas of the coupling region 24, as shown in Fig. 5.
- a plurality of such coupling elements 30 are formed, which are in communication with abutment walls on coupling regions of the laundry drum 3. LIST OF REFERENCE NUMBERS
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Main Body Construction Of Washing Machines And Laundry Dryers (AREA)
- Inking, Control Or Cleaning Of Printing Machines (AREA)
- Detail Structures Of Washing Machines And Dryers (AREA)
- Accessory Of Washing/Drying Machine, Commercial Washing/Drying Machine, Other Washing/Drying Machine (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL16710475T PL3283681T3 (en) | 2015-04-15 | 2016-03-18 | Assembly comprising a washing drum and an imbalance compensation device, household appliance for handling items to be washed, and method for securing an imbalance compensation device |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102015206712.2A DE102015206712A1 (en) | 2015-04-15 | 2015-04-15 | Arrangement with a laundry drum and an imbalance compensation device, household appliance for the care of laundry items and method for attaching an imbalance compensation device |
PCT/EP2016/056032 WO2016165912A1 (en) | 2015-04-15 | 2016-03-18 | Assembly comprising a washing drum and an imbalance compensation device, household appliance for handling items to be washed, and method for securing an imbalance compensation device |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3283681A1 true EP3283681A1 (en) | 2018-02-21 |
EP3283681B1 EP3283681B1 (en) | 2019-05-08 |
Family
ID=55542687
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP16710475.1A Active EP3283681B1 (en) | 2015-04-15 | 2016-03-18 | Assembly comprising a washing drum and an imbalance compensation device, household appliance for handling items to be washed, and method for securing an imbalance compensation device |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP3283681B1 (en) |
CN (1) | CN107532363B (en) |
DE (1) | DE102015206712A1 (en) |
PL (1) | PL3283681T3 (en) |
TR (1) | TR201907589T4 (en) |
WO (1) | WO2016165912A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102019212954A1 (en) * | 2019-08-28 | 2021-03-04 | BSH Hausgeräte GmbH | Laundry care device with a pulley |
DE102022127405A1 (en) | 2022-10-19 | 2024-04-25 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Device for releasing and closing a loading opening and motor vehicle |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4388841A (en) * | 1980-05-27 | 1983-06-21 | Gamble Christopher L | Load balancing device |
KR101395116B1 (en) | 2006-10-26 | 2014-05-27 | 삼성전자주식회사 | A drum washing machine |
KR100960068B1 (en) | 2006-11-10 | 2010-05-31 | 삼성전자주식회사 | Ball Balancer and Washing Machine Having the same |
FR2931170B1 (en) * | 2008-05-16 | 2012-11-02 | Lg Electronics Inc | LAUNDRY MACHINE WITH DRUM AND COUNTERWEIGHT. |
KR101486350B1 (en) * | 2008-05-16 | 2015-01-26 | 엘지전자 주식회사 | Cloth Treating Apparutus |
KR101548994B1 (en) | 2008-08-06 | 2015-09-01 | 엘지전자 주식회사 | Ball balancer and washing machne having the same |
KR101629672B1 (en) * | 2009-06-29 | 2016-06-14 | 삼성전자 주식회사 | Washing machine and method for manufacturing the same |
KR101417778B1 (en) * | 2009-08-24 | 2014-07-09 | 삼성전자 주식회사 | Washing machine, inner tub of washing machine and assembling method thereof |
KR101823618B1 (en) * | 2011-10-06 | 2018-02-01 | 삼성전자주식회사 | Washing machine having balancer |
DE102013221293A1 (en) * | 2013-10-21 | 2015-04-23 | BSH Bosch und Siemens Hausgeräte GmbH | Method for attaching an imbalance compensation device to a laundry drum, arrangement and household appliance |
-
2015
- 2015-04-15 DE DE102015206712.2A patent/DE102015206712A1/en not_active Withdrawn
-
2016
- 2016-03-18 CN CN201680021712.9A patent/CN107532363B/en active Active
- 2016-03-18 PL PL16710475T patent/PL3283681T3/en unknown
- 2016-03-18 WO PCT/EP2016/056032 patent/WO2016165912A1/en active Application Filing
- 2016-03-18 EP EP16710475.1A patent/EP3283681B1/en active Active
- 2016-03-18 TR TR2019/07589T patent/TR201907589T4/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN107532363B (en) | 2019-12-03 |
DE102015206712A1 (en) | 2016-10-20 |
CN107532363A (en) | 2018-01-02 |
PL3283681T3 (en) | 2019-10-31 |
EP3283681B1 (en) | 2019-05-08 |
TR201907589T4 (en) | 2019-06-21 |
WO2016165912A1 (en) | 2016-10-20 |
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