Household appliance for laundry care with axially preloaded clamp

Abstract

The invention relates to a household appliance (1) for caring for laundry, comprising a housing (2) in which a laundry drum (3) is rotatably supported, and comprising at least one annular imbalance compensation device (13, 14), the imbalance compensation device being arranged on the laundry drum (3) via at least one separate retaining element (29) of the household appliance (1), wherein the at least one retaining element (29) is fastened to the imbalance compensation device (13, 14) which is independent thereof, wherein the retaining element (29) comprises a prestressing clip (45) which, in the final mounted state, bears axially prestressed against a wall (7) of the laundry drum (3) as viewed in the direction of the longitudinal axis (A) of the laundry drum (3).

Description

Technical Field

[0001] The present invention relates to a household appliance for laundry care, comprising a housing in which a laundry drum is rotatably supported, and at least one annular imbalance compensation device for compensating for imbalances of the rotating laundry drum caused by asymmetrically distributed laundry in the laundry drum, the imbalance compensation device being arranged on the laundry drum. The household appliance comprises at least one retaining element that is separate from the imbalance compensation device, the housing, and the laundry drum, and is secured to the laundry drum by the retaining element. Background Art

[0002] It is well known that during the washing process of a washing machine, the laundry becomes randomly and irregularly distributed in the laundry drum. This causes imbalance, which leads to relatively large mechanical vibrations in the laundry drum and, therefore, to high mechanical loads on the entire household appliance. On the one hand, the resulting vibrations generate noise that is unpleasant for the user; on the other hand, they can also cause mechanical strain on the floor on which the household appliance is placed.

[0003] To prevent or at least significantly reduce vibrations of the laundry drum during operation, it has been proposed in the prior art to attach an annular unbalance compensation device (also known as a "ball balancing device") to the laundry drum. This type of unbalance compensation device comprises an annular hollow housing in which a compensation mass, for example, in the form of a plurality of spherical compensation elements, is located. This compensation mass is movably mounted within the housing and, during operation, tends to move to the side opposite the unbalanced mass (relative to the diameter of the laundry drum) to create a balancing force for the unbalanced mass and, therefore, a balanced state overall.

[0004] For example, document US 2011 / 0203325 A1 provides a solution for fixing an unbalance compensation device, in which a housing of the unbalance compensation device is injection-molded onto an axial end wall of a laundry drum.

[0005] Furthermore, the prior art discloses methods of fixing the imbalance compensation device to the laundry drum using screws. In this case, for example, it is known to provide projections with radial holes (or so-called screw domes) on the axial sides of the imbalance compensation device. These radial holes (or so-called screw domes) are each configured to receive a screw. However, these screw domes require a relatively large amount of installation space in the axial direction, which disadvantageously significantly reduces the overall effective volume of the laundry chamber of the drum. Furthermore, this prior art is disadvantageous in that it requires additional fixing elements in the form of screws and a complex screwing process that delays the installation process.

[0006] For example, EP 2 154 285 A1 proposes a screw connection between an unbalance compensation device and a laundry drum. Alternatively, a hook is generally mentioned, which can be provided as a retaining element for the unbalance compensation device, but no further information is given as to how the hook can be formed and at what exact position it is fixed.

[0007] Furthermore, KR 10 2008 037 420 A discloses an arrangement in which the imbalance compensation device is fixed to the laundry drum via a latching connection. Figure 1 In one embodiment, latching elements are formed on the radial outer circumference of the housing of the imbalance compensation device. These latching elements snap into corresponding latching openings in the laundry drum. These latching elements rest axially on edges delimiting the latching openings, thereby forming a positive connection in the axial direction. This type of latching connection has a particular disadvantage: the latching connection may become loose. Specifically, during operation of the washing machine, radial deformation (particularly ovalization) of the laundry drum may occur, which can lead to radial displacement between the outer shell of the laundry drum and the housing of the imbalance compensation device. If this displacement occurs, the latching elements of the imbalance compensation device may become loose from the corresponding latching openings, and the imbalance compensation device may ultimately fall out of the axial recess in the laundry drum.

[0008] Further embodiments for fastening an unbalance compensation device to a laundry drum are known from DE 10 2013 221 292 A1 and DE 10 2013 221 293 A1.

[0009] In particular, DE 10 2015 222 222 A1 discloses a method for fixing an imbalance compensation device to the wall of a laundry drum by means of separate retaining elements having radially projecting spring clips that snap into radial recesses in the wall.

[0010] In this embodiment, the above-described holding method is already advantageous. However, only radial holding of the imbalance compensation device can be achieved. Summary of the Invention

[0011] The object of the present invention is to provide a household appliance for laundry care in which the annular unbalance compensation device is better fixed in the axial direction.

[0012] According to the invention, this object is achieved by a domestic appliance having the features of the invention.

[0013] One aspect of the present invention relates to a household appliance for laundry care. The household appliance comprises a housing. Furthermore, the household appliance comprises a laundry drum. The laundry drum is rotatably supported in the housing. Furthermore, the household appliance comprises at least one annular imbalance compensation device. Furthermore, the household appliance comprises at least one retaining element that is independent of the imbalance compensation device, the laundry drum, and the housing. The imbalance compensation device is arranged on the laundry drum by means of this independent at least one retaining element. The retaining element is fixed to the imbalance compensation device. In particular, the retaining element comprises an integrated preload clamp. In the final installed state of the retaining element in the household appliance, the preload clamp rests axially preloaded against the wall of the laundry drum, viewed in the direction of the laundry drum. Due to this configuration, the independent retaining element is pressed axially to a certain extent against the wall of the laundry drum in the final installed state. This mechanical coupling generates a preload force in the direction of the longitudinal axis. This improves the positional security of the unbalance compensation device relative to the laundry drum in the direction of the longitudinal axis.

[0014] In an advantageous embodiment, it is provided that the prestressing clip bears axially prestressed against a wall of the laundry drum which is oriented perpendicular to the longitudinal axis or at an angle of greater than 60° and less than 130° relative to the longitudinal axis.

[0015] It is preferably provided that the preload clip is designed as an axial end piece of the retaining element. This configuration results in a substantially freely projecting end piece, which improves the corresponding spring action. This allows for a better build-up of the preload force in the axial direction.

[0016] It is preferably provided that the preload clip is oriented obliquely and radially inwardly toward the longitudinal axis. In particular, it is present as the subelement of the retaining element that is closest in the radial direction to the longitudinal axis. This configuration also supports the generation of a desired, defined axial preload force.

[0017] It is preferably provided that the preload clamp is U-shaped. In particular, the preload clamp has two freely protruding clamp legs. These clamp legs constitute elastically sprung subelements. In particular, these subelements sprung elastically in the axial direction. In the final installed state of the retaining element, the two clamp legs rest axially preloaded (in particular directly) against the wall of the laundry drum. This type of coupled contact prevents undesirable tipping of the retaining element (in particular, the preload clamp). This better maintains the preloaded position of the preload clamp on the wall, and also better structures the axial direction of the generated preload force, and in particular more precisely and clearly points in the direction of the longitudinal axis.

[0018] Preferably, the retaining element has a clamping part that is independent of the preload clamp. In particular, the unbalance compensation device has a housing. This housing has a coupling tab formed integrally therewith. In particular, the retaining element's clamping part is directly coupled to the coupling tab in a clamping manner. This ensures a mechanically stable and positionally accurate fit of the retaining element on the unbalance compensation device. However, this connection is also non-destructively releasable, allowing the retaining element to be replaced.

[0019] It is preferably provided that the coupling tab is T-shaped in cross section. In particular, the cross section is designed to correspond to the longitudinal axis of the laundry drum. Therefore, in particular, the T-top (T-dach) of this T-shape is oriented in the axial direction. This geometry of the coupling tab ensures a particularly secure and mechanically stable connection of the holding element to the unbalance compensation device (in particular, its housing).

[0020] It is preferably provided that the clamping part of the retaining element has at least one first clamping portion viewed in the direction of the longitudinal axis of the laundry drum. In addition, the clamping part has at least one second clamping part viewed in the direction of the longitudinal axis, which is axially offset relative to the first clamping part. Through this type of configuration, the retaining element can be mechanically coupled to the coupling tab at two independent locations. Viewed in the axial direction, the two independent locations are arranged spaced apart from each other. In particular, in addition to radially mounting the retaining element on the coupling tab in a fixed position, it is also achieved that the retaining element is axially retained on the coupling tab in a fixed position. This prevents the retaining element from slipping off unexpectedly in the axial direction on the coupling tab. The clamping part is integrated into the retaining element and is therefore constructed integrally therewith.

[0021] Preferably, the clamping portions are U-shaped sub-elements. The sub-elements face each other with their U-shaped openings.

[0022] Preferably, the preload clip is arranged adjacent to the end face of the second clamping part. This positioning allows the preload clip to be arranged as a freely projecting, axially flexible end piece of the retaining element, while also unrestricting the function of the clamping element. This also makes it possible to easily mount the clamping element on the coupling tab.

[0023] Preferably, the clamping element has two independent, parallel first clamping portions. In particular, the two first clamping portions are spaced apart from each other in a circumferential direction around the longitudinal axis of the laundry drum. This configuration improves the positional security of the retaining element on the coupling tab of the housing of the unbalance compensation device. In particular, this improves the prevention of twisting of the retaining element relative to the housing.

[0024] Preferably, the first, front clamping portion surrounds the first, front end of the T-top of the T-shape of the coupling tab. In particular, the rear clamping portion surrounds the second, rear end of the T-top of the T-shape of the coupling tab. This results in a particularly stable mechanical fit. This advantageously secures the position on the coupling tab, particularly in the axial direction. However, this also makes it easier to attach the retaining element to the coupling tab. This can be achieved, in particular, by pushing the retaining element onto the coupling tab in a circumferential direction about the longitudinal axis.

[0025] Preferably, the retaining element includes a spring clip that is oriented radially outward with respect to the longitudinal axis of the laundry drum and is ramp-shaped and independent of the preload clip. When the retaining element is in its final installed state, the spring clip snaps outwardly into a further radially outward recess in the wall of the laundry drum, viewed in the radial direction. This type of configuration improves the radial retention of the imbalance compensation device on the laundry drum. Thus, the preload clip on the one hand and the spring clip on the other hand achieve both better axial and radial retention of the imbalance compensation device on the laundry drum. In particular, the preload clip and the spring clip extend in different radial directions relative to the longitudinal axis.

[0026] It can be provided that, viewed in the circumferential direction about the longitudinal axis, the spring clip extends between the two first clamping parts of the clamping element. Thus, viewed in the circumferential direction about the longitudinal axis A, a first clamping part, followed by the spring clip, and then by a further first clamping part are arranged in sequence.

[0027] In an advantageous embodiment, it is provided that the holding element is designed as a multiply bent, one-piece strip. In particular, the holding element can be designed as a bent sheet metal component, in particular as a stamped sheet metal bent component.

[0028] In an advantageous embodiment, the preload clip is designed as a plate-like strip. This configuration improves the spring action on the one hand. On the other hand, it allows for a plate-like tongue that can be connected to the wall of the laundry drum in a more direct contact manner (particularly as a corresponding line contact or surface contact), thereby improving the application of the axial preload.

[0029] The household appliance for laundry care according to the present invention comprises a housing in which a laundry drum is rotatably supported. The appliance further comprises at least one annular imbalance compensation device for compensating for imbalances in the rotating laundry drum caused by an asymmetrical distribution of the laundry within the drum. The annular imbalance compensation device is disposed on the laundry drum.

[0030] An imbalance compensation device is understood herein to be a device designed to compensate for, and thus prevent, imbalances in the laundry drum. The imbalance compensation device may include a compensating mass (e.g., in the form of a plurality of spherical elements) that is movably arranged in a housing. This type of imbalance compensation device may also be referred to as a "ball balancer."

[0031] In particular, it is provided that the coupling tab is arranged on a housing wall of the housing, in particular a radially outer wall of the housing. This housing wall faces a wall region of the wall of the laundry drum which is radially further outward relative to the housing wall. The coupling tab extends radially outward from the housing wall toward the wall region. This facilitates the locational positioning of the holding element ( Positionierung) and is located in the intermediate space between the wall of the laundry drum and the housing of the imbalance compensation device.

[0032] In particular, at least three such independent retaining elements are provided, which are arranged equidistantly from one another in the circumferential direction around the longitudinal axis of the laundry drum. This allows for azimuthally symmetrical support of the imbalance compensation device, which is achieved at multiple locations by radially outwardly acting preloads, while allowing a certain degree of freedom of movement in the radial direction, and thus perpendicularly to the longitudinal axis, by means of spring clips. Furthermore, these retaining elements generate spring forces acting outward from the longitudinal axis in a star-shaped pattern, thereby achieving a very centrally positioned support of the imbalance compensation device.

[0033] Expressions such as "up", "down", "front", "back", "horizontal", "vertical", "depth direction", "width direction", and "height direction" indicate the position and orientation resulting from the use and arrangement of the device as prescribed.

[0034] Further features of the present invention are derived from the technical solution, drawings and description of the drawings of the present invention. The features and feature combinations mentioned above in the description and the features and feature combinations mentioned below in the description of the drawings and / or shown separately in the drawings can be used not only in the respectively described combinations, but also in other combinations without leaving the framework of the present invention. Therefore, such embodiments of the present invention are also considered to be included and disclosed, which are not explicitly shown and explained in the drawings, but are derived and can be generated from the separate feature combinations from the explained embodiments. Such embodiments and feature combinations can also be considered to be disclosed, which therefore do not have all the features of the invention originally stated. In addition, embodiments and feature combinations that exceed or deviate from the feature combinations stated in the technical solution of the present invention can be considered to be included in the present invention, especially due to the embodiments stated above. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Next, an embodiment of the present invention will be explained in more detail based on a schematic drawing. The accompanying drawings show:

[0036] Figure 1 A schematic front view shows an embodiment of a household appliance for caring for laundry according to the invention;

[0037] Figure 2 A schematic illustration shows a cross-sectional view through the region in which the laundry drum and the imbalance compensation device are arranged according to an embodiment of the present invention;

[0038] Figure 3 shows a sectional view through the washing drum and the region of the unbalance compensation device fastened thereto according to an embodiment of a domestic appliance; and

[0039] Figure 4 Shown in Figure 3 A three-dimensional diagram of the sub-components in .

[0040] In the figures, identical or functionally identical elements are provided with the same reference symbols. DETAILED DESCRIPTION

[0041] exist Figure 1 1 shows a simplified front view of a household appliance 1 for washing laundry, which can be, for example, a washing machine or a washer-dryer. The household appliance 1 has a housing 2 in which a laundry drum 3 is rotatably mounted. Figure 1 In this embodiment shown in the figure, the longitudinal axis or axis of rotation A (see Figure 2 ) is oriented perpendicular to the plane of the drawing. The household appliance 1 further comprises a lye container 4, which is also arranged in the housing 2 and surrounds the laundry drum 3. The laundry drum 3 has a hollow cylindrical outer shell and a rear end wall and is also open at the front, thereby providing a loading opening through which laundry can be placed into the interior 5 of the laundry drum 3. The loading opening can be closed by a door 6, which is movably arranged on the housing 2.

[0042] exist Figure 2 , a vertical cross-sectional view is shown, which in turn relates to a view in a sectional plane of the yz plane. The accompanying drawings show a laundry drum 3 having a hollow cylindrical housing 7 (or wall). A charging opening 8 is also shown. Adjacent to the rear wall or rear end face wall 9, the laundry drum 3 has a star carrier 10, which is fixedly connected to the laundry drum 3. The star carrier 10 is connected to the shaft 11 of the household appliance 1 in a torsionally fixed manner. The shaft 11 is driven by a drive motor (not shown), thereby causing the laundry drum 3 to rotate around the rotation axis A.

[0043] When the household appliance 1 is in operation and thus when the washing drum 3 rotates, the laundry placed therein may abut against the inner side 12 of the housing 7 in an asymmetrical distribution with respect to the axis of rotation A, so that an imbalance may occur when the washing drum 3 rotates. In order to counteract (or compensate for) such an imbalance, in the embodiment shown, the household appliance 1 has at least one (in particular at least two) imbalance compensation devices 13 and 14. As can also be seen, a plurality of driving members are arranged on the inner side 12, wherein Figure 2 Only one driver 15 can be seen.

[0044] Viewed in the direction of the axis A, the first, front unbalance compensating device 13 is arranged in a front region 16 of the laundry drum 3 (and in particular of the housing 7 ), while the second unbalance compensating device 14 is arranged in a rear region 17 .

[0045] The first unbalance compensating device 13 is designed as a circumferentially closed ring, which is oriented rotationally symmetrically about the axis A. The first unbalance compensating device 13 has a housing 18 which is annular in this respect. Figure 2 As can be seen in the cross-sectional view in FIG, the housing 18 has a particularly quadrilateral or quadrilateral cross section. The housing 18 has a cavity 19 in which one or more compensating elements 20 are arranged so as to be movable relative to the housing 18. In this embodiment, the compensating elements 20 can be spherical. Additionally or alternatively, a liquid medium can also be arranged in the cavity 19.

[0046] A second unbalance compensating device 14 is also correspondingly configured, which likewise comprises a correspondingly configured housing 21 , a cavity 22 located therein, and (particularly preferably a plurality of) compensating elements 23 movable relative to the housing 21 in the cavity 22 .

[0047] exist Figure 3 The detailed diagram is shown in Figure 2 The area I is circled with a dotted line.

[0048] As can be seen, the laundry drum 3 has a receiving area 24 into which the housing 18 is inserted. The outer wall of the laundry drum 3, which forms the outer shell 7, has a fold 26 in the front region. This stabilizes the front region of the laundry drum 3 and thus the outer shell 7.

[0049] A wall region 25 is formed in the housing 7 , in which a recess 27 is formed as a through-opening.

[0050] The housing 18 has a housing wall 18 a which faces the wall region 25 as seen in the radial direction.

[0051] The coupling web 28 is integrated and thus integrally formed in the radially outer housing wall 18 a . The coupling web 28 is formed in the rearward region of the housing wall 18 a viewed in the axial direction and thus in the direction of the longitudinal axis or rotational axis A and extends radially in the direction of the wall region 25 .

[0052] The imbalance compensation device 13 is connected to a retaining element 29 that is independent of the imbalance compensation device 13 and is fixed to the laundry drum 3 (in particular, to the wall region 25). Preferably, a plurality of such independent retaining elements 29 are provided, which are arranged equidistantly from one another in the circumferential direction around the axis A. Preferably, at least three such retaining elements 29 are provided. These retaining elements 29 are also designed independently of the housing 2 and the laundry drum 3.

[0053] The holding element 29 is formed in one piece and is designed as a multiply bent strip. The holding element 29 is formed from metal.

[0054] The retaining element 29 has a spring clip 30. The spring clip 30 extends from a transition portion or through-opening 31 ( Figure 4 ) starts from, extends radially and obliquely outward and is freely overhung.

[0055] The spring clip 30 has an inclined starting wall or starting ramp or starting bevel 32 in its ramp-like design. In addition, the spring clip 30 has a ramp wall 33, which is oriented at an angle of less than 90° to the starting bevel 32 and opens onto the starting bevel 32. The transition 34 between the starting bevel 32 and the ramp wall 33 is in the final installed state (e.g. Figure 3 ) is arranged extending through the recess 27 .

[0056] Furthermore, the spring clip 30 has a tongue 35 at its freely overhanging end remote from the transition 34 . The tongue 35 opens into the ramp wall 33 at its end remote from the transition 34 .

[0057] As can be seen, in the final installed state, the tongue 35 rests on the inner side 36 of the wall region 25 .

[0058] exist Figure 3 In the final installed state shown in FIG, the radially movable and resilient element is held radially outwardly prestressed relative to the spring clip 30. This generates a radial supporting force that holds the housing 18 on the laundry drum 3 and, in particular, also centers the housing 18 relative to the axis A.

[0059] The spring clip 30 cantilevers freely outward in the radial direction relative to the longitudinal axis A. Due to its inclined orientation, the spring clip 30 is arranged to be resilient in the radial direction. The axis about which the spring clip 30 revolves is thus oriented, in particular, in a circumferential direction relative to the longitudinal axis A.

[0060] So external Figure 3 As can also be seen in the drawing, the integrally constructed retaining element 29 has a clamping part 37. The clamping part 37 has a first clamping portion 38 viewed in the direction of the longitudinal axis A. In the present illustration, this first clamping portion 38 is presented as the front first clamping portion 38. In this embodiment, it is provided that the clamping part 37 has this first clamping portion 38 and a further first clamping portion 39 independent of the first clamping portion 38. This further first clamping portion 39 is constructed to be spaced apart from the first clamping portion 38 when viewed in the circumferential direction of the longitudinal axis A. Figure 3 In the cross-sectional view shown in FIG, which represents an axial cross section, the two first clamping parts 38 and 39 are designed as U-shaped sub-elements.

[0061] Furthermore, the clamping member 37 has a second clamping portion 40, viewed in the axial direction. In this embodiment, the second clamping portion 40 is a rear second clamping portion 40. The second clamping portion 40 is also U-shaped in cross section. The U-shaped opening of the second clamping portion 40 faces the U-shaped openings of the first clamping portions 38 and 39.

[0062] So external Figure 3 As can be seen in the cross-sectional view, the aforementioned coupling tab 28 has a T-shaped design. This T-shape has a T-shank 41. The T-shank 41 is oriented radially. Furthermore, the T-shape has a T-top 42. The T-top 42 is oriented axially in the cross-sectional view. The T-top 42 has an axially forward end 43 and an axially rearward end 44. As can be seen, the first clamping portions 38 and 39 surround the forward end 43. The second clamping portion 40 surrounds the rearward end 44.

[0063] Furthermore, it can be seen that in this exemplary embodiment, the spring clip 30 is arranged, viewed in the circumferential direction about the axis A, between the two first clamping parts 38 and 39 .

[0064] In an advantageous embodiment, this integrally formed retaining element 29 furthermore has an integrated prestressing clip 45. This prestressing clip 45 is in the final mounted state (e.g. Figure 3) rests against the wall 7. In particular, the preload clip 45 rests against a wall region 7a of the wall 7 that is oriented substantially perpendicularly to the longitudinal axis A. The wall region 7a is formed in a different plane than a wall region 7b of the wall 7. The wall region 7b is the wall region in which the cutout 27 is formed, into which the spring clip 30 snaps. Therefore, the wall region 7b is particularly the wall region 25. In particular, the wall region 7b is oriented parallel to the longitudinal axis A or substantially parallel to the longitudinal axis A.

[0065] As in Figure 3 As can also be seen in FIG, the retaining element 29 is arranged by means of the prestressing clip 45 so as to bear directly against the wall 7 (in particular the wall region 7 a ) in a prestressed manner in the axial direction.

[0066] The preload clip 45 is an axial end piece of the retaining element 29. It is designed to be freely overhanging. It extends radially and obliquely inwardly toward the longitudinal axis A. Conversely, it is designed to be oriented radially opposite to the spring clip 30. The spring clip 30 extends radially outward and thus away from the longitudinal axis A.

[0067] exist Figure 4 The housing 18 of the unbalance compensating device 13 is partially shown in a perspective view. The retaining element 29 is also shown in a perspective view. In this embodiment, the preload clamp 45 is designed as a U-shaped clamp. The U-shaped clamp has two clamp legs 46 and 47 that protrude freely inward in the radial direction. These clamp legs are arranged spaced apart from each other when viewed in the circumferential direction about the axis A.

[0068] As can be seen, the prestressing clamp 45 (in particular the clamp legs 46 , 47 ) is designed in the form of a sheet metal or as a sheet metal strip.

[0069] Reference Signs List

[0070] 1 Household appliances

[0071] 2 Housing

[0072] 3 laundry drum

[0073] 4 Lye container

[0074] 5 Interior

[0075] 6 doors

[0076] 7 Hollow cylindrical shell

[0077] 7a Wall area

[0078] 7b Wall area

[0079] 8 Loading opening

[0080] 9 Posterior wall

[0081] 10 Star carrier

[0082] 11 Axis

[0083] 12 Inside

[0084] 13, 14 Unbalance compensation device

[0085] 15 Carrying parts

[0086] 16 Front Area

[0087] 17 rear area

[0088] 18 housing

[0089] 18a Housing wall

[0090] 19 Cavity

[0091] 20 Compensation components

[0092] 21 housing

[0093] 22 Cavity

[0094] 23 Compensation components

[0095] 24 Receiving Area

[0096] 25 Wall Area

[0097] 26 Folding and pressing part

[0098] 27 blank space

[0099] 28 Coupling tab

[0100] 29 Retaining element

[0101] 30 Spring clamp

[0102] 31. An opening

[0103] 32 Starting ramp

[0104] 33 Slope Wall

[0105] 34 Transition

[0106] 35 tongue

[0107] 36 inside

[0108] 37 Clamping parts

[0109] 38 clamping part

[0110] 39 clamping part

[0111] 40 clamping part

[0112] 41 T rod

[0113] 42 T Top

[0114] 43 at the front end

[0115] 44 at the rear end

[0116] 45 Pre-tightening clamp

[0117] 46 Clamp support edge

[0118] 47 Clamp support edge

[0119] A longitudinal axis

Claims

1. A household appliance (1) for caring for and washing clothes, comprising: a housing (2) in which the laundry drum (3) is rotatably mounted, and at least one annular imbalance compensation device (13, 14), which is arranged on the laundry drum (3) by means of at least one independent retaining element (29) of the household appliance (1), in, The at least one holding element (29) is fixed to an unbalance compensation device (13, 14) which is independent of the holding element, It is characterized by: The retaining element (29) has a prestressing clip (45) which, viewed in the direction of the longitudinal axis (A) of the laundry drum (3), bears against the wall of the laundry drum (3) in an axially prestressed manner in the final installed state.

2. The household appliance (1) according to claim 1, It is characterized by: The prestressing clip (45) is designed as an axial end piece of the retaining element (29).

3. The household appliance (1) according to claim 1 or 2, It is characterized by: The preload clip (45) is oriented obliquely radially inwardly toward the longitudinal axis (A).

4. The household appliance (1) according to claim 1 or 2, It is characterized by: The prestressing clamp (45) is U-shaped and has two freely projecting clamp legs (46, 47) as elastically resilient subelements which, in the final assembled state, rest axially prestressed against the wall.

5. The household appliance (1) according to claim 1 or 2, It is characterized by: The retaining element (29) has a clamping part (37) which is independent of the preload clamp (45), and the imbalance compensation device (13, 14) has a housing. The housing of the unbalance compensating device has a coupling lug (28) formed integrally with the housing of the unbalance compensating device, and the clamping element (37) is directly coupled to the coupling lug (28) in a clamping manner.

6. The household appliance (1) according to claim 5, It is characterized by: The coupling web (28) is T-shaped in axial cross section.

7. The household appliance (1) according to claim 5, It is characterized by: The clamping member (37) has: - at least one first clamping portion (38, 39) seen in the direction of said longitudinal axis (A), and at least one second clamping portion (40) which is axially offset relative to the first clamping portion (38, 39) as viewed in the direction of the longitudinal axis (A).

8. The household appliance (1) according to claim 7, It is characterized by: The prestressing clip (45) is configured adjacent to the end face of the second clamping part (40).

9. Household appliance (1) according to claim 7 or 8, It is characterized by: The clamping member (37) has two first clamping portions (38, 39) which are independent and arranged parallel to each other.

10. The household appliance (1) according to claim 9, characterized in that The first clamping portions (38, 39) are arranged spaced apart from each other in a circumferential direction around the longitudinal axis (A).

11. Household appliance (1) according to any one of claims 7 to 8 and 10, It is characterized by: The first clamping portion (38, 39) surrounds the front first end (43) of the T-shaped T-top (42) of the coupling tab (28), and The second clamping portion (40) surrounds a rear second end (44) of the T-shaped T-top (42) of the coupling tab (28).

12. Household appliance (1) according to any one of claims 1-2, 6-8 and 10, It is characterized by: The retaining element (29) has a spring clip (30) which is oriented radially outward with respect to the longitudinal axis (A) of the laundry drum (3) and is ramp-shaped and independent of the preload clip (45), and which, in the final installed state, snaps outwardly into a recess (27) in the wall of the laundry drum (3) as seen in the radial direction.

13. The household appliance (1) according to claim 9, It is characterized by: The retaining element (29) has a spring clip (30) which is oriented radially outwards with respect to the longitudinal axis (A) of the laundry drum (3) and is ramp-shaped and independent of the preload clip (45), and which, in the final installed state, snaps outwards into a recess (27) in the wall of the laundry drum (3) as seen in the radial direction. The spring clip (30) is arranged between the two first clamping parts (38, 39) when viewed in a circumferential direction about the longitudinal axis (A).

14. The household appliance (1) according to claim 1, It is characterized by: The retaining element (29) is designed as a multiply bent, one-piece strip.

15. Household appliance (1) according to any one of claims 1-2, 6-8, 10 and 13-14, It is characterized by: The prestressing clamp (45) is configured as a sheet metal strip.

16. Household appliance (1) according to any one of claims 1-2, 6-8, 10 and 13-14, It is characterized by: The wall is the outer shell (7) of the laundry drum (3), and / or At least three independent holding elements (29) are formed, which are arranged equidistantly in a circumferential direction around the longitudinal axis (A) of the laundry drum (3).

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