A water tank for a household appliance and a household appliance

Abstract

The present application relates to a water tank for a household appliance, wherein the water tank comprises at least: a tank body having an opening; and a top cover configured to close or open the opening, wherein a gripping portion is provided in the top cover, the gripping portion is configured with a gripping groove, and the top cover has a cover plate for the gripping groove, the cover plate is configured to close the gripping groove in a flush manner with an upper surface of the top cover in a first position and expose the gripping groove in a second position. The present application also relates to a corresponding household appliance. A compact configuration and improved appearance effect can be achieved, and the user's use experience is significantly improved.

Description

Technical Field

[0001] This application relates to the technical field of household appliances, and more particularly to a water tank for a household appliance. This application also relates to a corresponding household appliance. Background Technology

[0002] Some household appliances that use water, such as water purifiers, humidifiers, or coffee machines, are usually equipped with water tanks to meet water demand during operation.

[0003] To add water to the tank, the user needs to manually remove the top cover. For this purpose, a handle is typically provided on the top cover for gripping, protruding from the top. This negatively impacts the tank's appearance and may also cause the top cover to unexpectedly fall off due to collisions with other objects. Summary of the Invention

[0004] Therefore, one object of the embodiments of this application is to provide an improved water tank for a household appliance, which has a compact configuration and improved appearance, and significantly enhances the user experience. Another object of the embodiments of this application is to provide a corresponding household appliance.

[0005] According to a first aspect of this application, a water tank for a household appliance is provided, wherein the water tank comprises at least: - A housing having an opening; and - A top cover configured to close or open the opening, wherein a gripping portion is provided in the top cover, the gripping portion having a gripping groove and the top cover having a cover plate for the gripping groove, the cover plate being configured to close the gripping groove in a first position flush with the upper surface of the top cover and expose the gripping groove in a second position.

[0006] Compared to existing technologies, in the water tank for household appliances according to this application, the top cover has a gripping groove for the gripping portion, and the top cover has a cover plate for the gripping groove. This cover plate can switch between a first position and a second position. In the first position, the cover plate closes the gripping groove flush with the upper surface of the top cover, so that the user can only see the flat upper surface of the top cover and not the gripping groove. In the second position, the cover plate exposes the gripping groove, allowing the user to insert their fingers into the gripping groove and grasp the gripping portion with one hand. This design avoids the gripping portion protruding from the top cover, thereby achieving a compact water tank configuration, improved appearance, and enhanced user experience.

[0007] According to an exemplary embodiment of this application, the cover plate has a rotation axis and the top cover has a rotation hole for inserting the rotation axis, such that the cover plate can rotate between a first position and a second position. This allows the cover plate to be easily switched between the first and second positions by rotating it.

[0008] According to an exemplary embodiment of this application, a return spring is sleeved on the rotating shaft, the return spring being configured to automatically return the cover plate from the second position to the first position. In this case, when the user withdraws their hand from the gripping groove, the cover plate can automatically return to the first position and cover the gripping groove, which can reduce the user's operation steps and significantly improve the user experience.

[0009] According to an exemplary embodiment of this application, a first stop slope is provided at the edge of the cover plate away from the rotation axis, and a second stop slope that mates with the first stop slope is provided at the edge of the gripping portion facing the cover plate. The cooperation of the first stop slope and the second stop slope ensures that the cover plate is flush with the upper surface of the top cover in the first position.

[0010] According to an exemplary embodiment of this application, the top cover is provided with a clearance notch that communicates with the gripping groove. When a user's finger is inserted into the gripping groove, the finger can extend out from the clearance notch, thereby improving the user's gripping comfort.

[0011] According to an exemplary embodiment of this application, the water tank further includes a linkage mechanism connecting the tank body and the top cover, such that the top cover can move relative to the tank body and switch between at least a closed position and a gripping position. In the closed position, the top cover closes the opening, while in the gripping position, the top cover completely leaves the opening and allows the tank body to be moved via the gripping part. Here, the linkage mechanism prevents the top cover from accidentally falling or being lost, and the user can directly lift the tank body by gripping the top cover, thereby reducing the user's operating steps and improving the user experience.

[0012] According to an exemplary embodiment of this application, the linkage mechanism has a first plug-in shaft for rotatable connection with the housing and a second plug-in shaft for rotatable connection with the top cover. The first plug-in shaft and the second plug-in shaft are arranged coaxially. The housing has a first receiving hole for the first plug-in shaft, and the top cover has a second receiving hole for the second plug-in shaft. This allows the top cover to rotate relative to the linkage mechanism while the linkage mechanism rotates relative to the housing, without interference between the top cover and the housing, thus enabling smooth switching of the top cover between a closed position and a gripping position.

[0013] According to an exemplary embodiment of this application, the top cover is oriented horizontally in the closed position and vertically in the gripping position, wherein, during the switching from the closed position to the gripping position, the top cover rotates about the second insertion axis in a first rotational direction such that the gripping portion is higher than the second insertion axis; and / or, the top cover also has an angled position, during the switching from the gripping position to the angled position, the top cover rotates about the second insertion axis in a second rotational direction opposite to the first rotational direction such that the gripping portion is lower than the second insertion axis and horizontally away from the opening. Thus, in the angled position, the top cover obscures the opening of the housing as little as possible, which allows the user to more easily add water to the housing.

[0014] According to an exemplary embodiment of this application, the tank has a protruding support portion, and the first receiving hole is disposed on the support portion. This avoids the first receiving hole or the first plug shaft inserted into the first receiving hole being directly visible from the outside of the tank, thereby further improving the appearance of the water tank.

[0015] According to an exemplary embodiment of this application, the first plug-in shaft is provided with a stop protrusion, and the first receiving hole is provided with a retraction groove on its periphery, the shape of which is adapted to the stop protrusion. When the linkage mechanism rotates to a specific rotation angle, the stop protrusion aligns with the retraction groove. The cooperation between the stop protrusion and the retraction groove allows the first plug-in shaft to be pulled out of the first receiving hole only when the linkage mechanism is at a specific rotation angle, while reliably ensuring the engagement between the first plug-in shaft and the first receiving hole when the linkage mechanism is not at a specific rotation angle, thus preventing unintended drop of the linkage mechanism.

[0016] According to an exemplary embodiment of this application, the linkage mechanism has a bent transition section between the first and second insertion shafts; and / or, the linkage mechanism has at least a partial saddle-shaped cross-section. This enables simple and cost-effective manufacturing of the linkage mechanism and effectively improves its strength.

[0017] According to an exemplary embodiment of this application, the top cover is constructed separately and has an upper top cover component and a lower top cover component, wherein one of the upper top cover component and the lower top cover component is provided with a locking hook-like portion, and the other is provided with a locking protrusion. This enables a cost-effective manufacturing and assembly process for the top cover.

[0018] According to an exemplary embodiment of this application, the top cover is provided with a seal at its lower edge facing the housing. The seal prevents foreign objects from entering the housing from the external environment and prevents water from leaking out of the housing through openings.

[0019] According to a second aspect of this application, a household appliance is provided, wherein the household appliance includes a water tank according to this application. Attached Figure Description

[0020] The principles, features, and advantages of this application will be better understood below with reference to the accompanying drawings. The drawings include: Figures 1a to 1d Different states of a water tank for a household appliance according to an exemplary embodiment of this application are shown respectively; Figure 2 A perspective view of the cover of a water tank according to an exemplary embodiment of this application is shown; Figure 3a and Figure 3b A top view and a cross-sectional view of the top cover of a water tank according to an exemplary embodiment of this application are shown respectively; Figure 4 An assembly view of the top cover and linkage mechanism of a water tank according to an exemplary embodiment of this application is shown; Figure 5 A cross-sectional view of the tank body of a water tank according to an exemplary embodiment of this application is shown; Figure 6a and Figure 6b Perspective views of the upper and lower top cover components of a water tank according to an exemplary embodiment of this application are shown respectively.

[0021] Figure label: Water tank 100; tank body 10; opening 11; support part 12; first receiving hole 13; retraction groove 14; top cover 20; gripping part 21; cover plate 22; rotating shaft 221; return spring 222; first stop slope 223; second stop slope 224; gripping groove 23; rotating hole 24; retraction notch 25; second receiving hole 26; upper top cover part 27; locking hook part 271; lower top cover part 28; locking protrusion 281; seal 29; linkage mechanism 30; first insertion shaft 31; second insertion shaft 32; bending transition section 33; stop protrusion 34; first side 1; second side 2. Detailed Implementation

[0022] To make the technical problems to be solved, the technical solutions, and the beneficial technical effects of this application clearer, the application will be further described in detail below with reference to the accompanying drawings and several exemplary embodiments. It should be understood that the specific embodiments described herein are only for explaining this application and are not intended to limit the scope of protection of this application. Here, for the sake of brevity, elements with the same reference numerals are indicated only once in the drawings when necessary.

[0023] In the description of this embodiment, terms such as "upper," "lower," "front," "rear," "vertical," "horizontal," "top," "bottom," "inner," and "outer" are used to indicate orientation or positional relationships in conjunction with the accompanying drawings to illustrate the positional relationships of the constituent elements. This is solely for the convenience of describing this specification and to simplify the description, and is not intended to indicate or imply that the device or element referred to has a specific orientation, or is constructed and operated in a specific orientation. Therefore, it should not be construed as a limitation of this disclosure. The positional relationships of the constituent elements may be appropriately changed depending on the direction in which each constituent element is described. Therefore, the description is not limited to the terms used in the specification and may be appropriately replaced as needed.

[0024] Figures 1a to 1d Different states of a water tank 100 for a household appliance according to an exemplary embodiment of this application are shown. Figure 2 A perspective view of the cover plate 22 of a water tank 100 according to an exemplary embodiment of this application is shown. Figure 3a and Figure 3b A top view and a cross-sectional view of the top cover 20 of a water tank 100 according to an exemplary embodiment of this application are shown, respectively. Here, the household appliance may be a water-using appliance such as a water purifier, humidifier, or coffee maker.

[0025] like Figures 1a to 1d As shown, the water tank 100 includes a tank body 10 having an upwardly opening 11 and a hollow cavity for storing water. The hollow cavity is enclosed by a circumferentially surrounding shell and a base. The tank body 10 particularly has a mounting groove on a first side 1, which is recessed about the first side 1 and protrudes into the hollow cavity. The tank body 10 can be mounted on a mating component of a household appliance via the mounting groove, wherein the first side 1 of the tank body 10 rests against the mating component and is not directly visible from the external environment. Furthermore, the tank body 10 has a water inlet on the base, through which water in the hollow cavity can be supplied to the water-using components of the household appliance.

[0026] like Figure 1a and Figure 1bAs shown, the water tank 100 includes a top cover 20, the shape of which is adapted to the opening 11 of the tank body 10 and can close or open the opening 11. When the top cover 20 is opened, the user can add water to the hollow cavity of the tank body 10 through the opening 11. Here, a gripping part 21 is provided in the top cover 20. The gripping part 21 is constructed with a gripping groove 23 located below the upper surface of the top cover 20. The user can insert his / her fingers into the gripping groove 23, thereby making it easier and more stable to grasp and lift the gripping part 21. The top cover 20 has a cover plate 22 for the gripping groove 23. The cover plate 22 can switch between a first position and a second position. In the first position, the cover plate 22 closes the gripping groove 23 in a manner flush with the upper surface of the top cover 20, so that the user can only see the flat upper surface of the top cover 20 and cannot directly see the gripping groove 23, which significantly improves the appearance of the water tank 100. In the second position, the cover plate 22 is removed from the upper surface of the top cover 20 and the gripping groove 23 is exposed, so that the user can insert his / her fingers into the gripping groove 23 and grasp the gripping part 21. In this case, the gripper 21 can be integrated into the top cover 20 in a concealed manner, rather than protruding from the top cover 20, which can achieve a compact configuration and improved appearance of the water tank 100.

[0027] For example, such as Figures 2 to 3b As shown, the cover plate 22 has a horizontally oriented rotation shaft 221 and the top cover 20 has a rotation hole 24 for inserting the rotation shaft 221, allowing the cover plate 22 to rotate between a first position and a second position. Here, the rotation hole 24 is particularly located at the upper edge of the top cover 20, from which the cover plate 22 can extend horizontally to the middle region in the first position, allowing the user to easily rotate the cover plate 22.

[0028] For example, such as Figure 2 As shown, a return spring 222 is fitted onto the rotating shaft 221 on the cover plate 22. The return spring 222 is configured to automatically return the cover plate 22 from the second position to the first position. One end of the return spring 222 can abut against the lower side of the cover plate 22, and the other end can abut against the inner side of the top cover 20. In this case, the user needs to overcome the spring force of the return spring 222 to rotate the cover plate from the first position to the second position. When the user pulls their hand out of the gripping groove 23, the cover plate 22 can automatically return to the first position and cover the gripping groove 23 under the action of the spring force of the return spring 222. This can reduce the user's operation steps and significantly improve the user experience.

[0029] For example, such as Figure 2 and Figure 3bAs shown, the cover plate 22 has a first stop slope 223 at its edge away from the rotation axis 221, and a second stop slope 224 matching the first stop slope 223 is provided at the edge of the gripping part 21 facing the cover plate 22. When the cover plate 22 switches from the second position to the first position, the first stop slope 223 will abut against the first stop slope 224 to prevent the cover plate 22 from rotating excessively. The cooperation of the first stop slope 223 and the second stop slope 224 ensures that the cover plate 22 is flush with the upper surface of the top cover 20 in the first position.

[0030] For example, such as Figures 1b to 1d As shown, the water tank 100 also includes a linkage mechanism 30, which connects the tank body 10 and the top cover 20, allowing the top cover 20 to move relative to the tank body 10 and switch between at least a closed position and a gripping position. In the closed position, the top cover 20 closes the opening 11 and covers the linkage mechanism 30, preventing the user from directly seeing it. In the gripping position, the top cover 20 completely leaves the opening 11, allowing the tank body 10 to be moved via the gripping part 21. This allows the user to directly lift the tank body 10 while gripping the gripping part 21 of the top cover 20, thus disassembling and moving the entire water tank 100, and adding water to the hollow cavity of the tank body 10 through the opening 11. This significantly reduces the user's operating steps and improves the user experience. Furthermore, the linkage mechanism 30 also prevents the top cover 20 from accidentally falling off or being lost.

[0031] Figure 4 An assembly view of the top cover 20 and linkage mechanism 30 of a water tank 100 according to an exemplary embodiment of this application is shown.

[0032] For example, such as Figures 1b to 4 As shown, the linkage mechanism 30 has a first insertion shaft 31 for rotatable connection with the housing 10 and a second insertion shaft 32 for rotatable connection with the top cover 20. The first insertion shaft 31 and the second insertion shaft 32 are arranged coaxially. In particular, the linkage mechanism 30 has a bent transition section 33 between the first insertion shaft 31 and the second insertion shaft 32. The housing 10 has a first receiving hole 13 for the first insertion shaft 31, while the top cover 20 has a second receiving hole 26 for the second insertion shaft 32. In this case, when the linkage mechanism 30 rotates around the first insertion shaft 31, the height position of the second insertion shaft 32 changes. This allows the top cover 20 to rotate relative to the linkage mechanism 30 while the linkage mechanism 30 rotates relative to the housing 10, without interference between the top cover 20 and the housing 10, thus enabling smooth switching of the top cover 20 between a closed position and a gripping position.

[0033] For example, such as Figure 1cAs shown, the top cover 20 is oriented horizontally in the closed position and vertically in the gripping position. Specifically, during the switching process from the closed position to the gripping position, the linkage mechanism 30 rotates around the first insertion shaft 31, causing the second insertion shaft 32 to rise. At the same time, the top cover 20 rotates around the second insertion shaft 32 in a first rotational direction, such as clockwise, so that the gripping part 21 is higher than the second insertion shaft 32. This is ergonomic and facilitates user access to the gripping part 21.

[0034] For example, such as Figure 1d As shown, the top cover 20 also has an inclined position in which the upper surface of the top cover 20 is oriented at an angle. Specifically, during the switching from the gripping position to the inclined position, the top cover 20 rotates about the second insertion shaft 32 in a second rotation direction opposite to the first rotation direction, for example, counterclockwise, such that the grip portion 21 is lower than the second insertion shaft 32 and horizontally away from the opening 11. Thus, in the inclined position, the top cover 20 covers the opening 11 of the housing 10 as little as possible, which allows the user to more easily add water to the housing 10. Here, the top cover 20 can be switched from the gripping position to the inclined position by its own weight or manually by the user. In particular, the linkage mechanism 30 is oriented at an angle in the inclined position and abuts against the first side 1 of the housing 10.

[0035] For example, such as Figure 4 As shown, the linkage mechanism 30 has at least a saddle-shaped cross section, especially in the region of the second insertion shaft 32, so that the linkage mechanism 30 has raised side wings on both sides, which can disperse the pressure transmitted by the top cover 20 and significantly improve the bending and torsional strength of the linkage mechanism 30 as a reinforcing rib.

[0036] For example, such as Figure 4 As shown, the top cover 20 is provided with a clearance notch 25, which communicates with the grip groove 23. In this case, when the user's fingers are inserted into the grip groove 23, the fingers can extend out from the clearance notch 25, which avoids discomfort caused by pressure on the user's fingers and allows the user to grasp the grip part 21 in a full grip, thereby improving the user's grip comfort.

[0037] Figure 5 A cross-sectional view of the tank body 10 of a water tank 100 according to an exemplary embodiment of this application is shown.

[0038] For example, such as Figure 5As shown, the tank body has a protruding support portion 12, on which a first receiving hole 13 for the first insertion shaft 31 is provided. This avoids directly opening a hole in the circumferential shell of the tank body 10 and prevents the first insertion shaft 31 from protruding from the tank body 10, further improving the appearance of the water tank 100. Here, the support portion 12 is preferably constructed as a support rib separated from the shell of the tank body 10, and the first insertion shaft 31 can rotate in the gap between the support rib and the shell.

[0039] For example, such as Figure 5 As shown, relative to the second side 2, the support portion 12 and the first receiving hole 13 provided on the support portion 12 are arranged closer to the first side 1, so that the first insertion shaft 31 of the linkage mechanism 30 is also arranged closer to the first side 1. As a result, in the gripping position, the center of gravity of the housing 10 and the center of the linkage mechanism 30 do not coincide in the direction of gravity. In this case, when the housing 10 is lifted by the gripping portion 21 in the gripping position, the housing 10 is tilted, making the mounting groove on the first side 1 clearly exposed. This allows the user to more easily install the mounting groove onto the mating part.

[0040] For example, such as Figure 4 and Figure 5 As shown, a stop protrusion 34 is provided on the first plug-in shaft 31. The stop protrusion 34 is, for example, rectangular in construction, and the first receiving hole 13 is provided with a retraction groove 14 on its periphery, which is adapted to the shape of the stop protrusion 34, so that the stop protrusion 34 can pass through the retraction groove 14. When the linkage mechanism 30 is rotated to a specific rotation angle between the closed position and the gripping position, the stop protrusion 34 is aligned with the retraction groove 14 to allow the first plug-in shaft 31 to be pulled out from the first receiving hole 13 and the linkage mechanism 30 to be disassembled, or the first plug-in shaft 31 to be inserted into the first receiving hole 13 and the linkage mechanism 30 to be rotatably connected to the housing 10. When the linkage mechanism 30 is not at the specific rotation angle, the stop protrusion 34 effectively prevents the first plug-in shaft 31 from unintentionally falling out of the first receiving hole 13.

[0041] Figure 6a and Figure 6b Perspective views of the upper top cover component 27 and the lower top cover component 28 of the top cover 20 of a water tank 100 according to an exemplary embodiment of this application are shown respectively.

[0042] For example, such as Figure 6a and Figure 6bAs shown, the top cover 20 is constructed in two parts and has an upper top cover component 27 and a lower top cover component 28. One of the upper top cover component 27 and the lower top cover component 28, particularly the upper top cover component 27, is provided with a locking hook-like portion 271, and the other, particularly the lower top cover component 28, is provided with a locking protrusion 281. The upper top cover component 27 and the lower top cover component 28 can be fixedly connected through the engagement of the locking hook-like portion 271 and the locking protrusion 281. Here, the rotating hole 24 and the second insertion hole 26 are formed together, particularly by the upper top cover component 27 and the lower top cover component 28. This enables a cost-effective manufacturing and assembly process for the top cover 20.

[0043] For example, such as Figure 1d and Figure 6b As shown, the top cover 20 has a sealing element 29 at its lower edge facing the housing 10, particularly at the lower edge of the lower top cover component 28. The sealing element 29 is, for example, constructed of silicone. When the top cover 20 closes the opening 11, the sealing element 29 rests against the inner wall of the housing 10. The sealing element 29 prevents foreign objects or moisture from entering the opening 11 from the external environment and prevents water from leaking out of the housing 10 from the opening 11.

[0044] Although specific embodiments have been described above, these embodiments are not intended to limit the scope of this application, even when only a single embodiment is described with respect to a particular feature. The feature examples provided in this application are intended for illustrative purposes and not for limitation, unless otherwise stated. In practice, multiple features may be combined with each other as needed and where technically feasible. Various substitutions, modifications, and alterations are also conceived without departing from the spirit and scope of this application.

Claims

1. A water tank (100) for a household appliance, characterized in that, The water tank (100) includes at least: - A housing (10), the housing (10) having an opening (11); and - A top cover (20) configured to close or open the opening (11), wherein a gripping portion (21) is provided in the top cover (20), the gripping portion (21) is configured with a gripping groove (23) and the top cover (20) has a cover plate (22) for the gripping groove (23), the cover plate (22) being configured to close the gripping groove (23) in a first position flush with the upper surface of the top cover (20) and expose the gripping groove (23) in a second position.

2. The water tank (100) according to claim 1, characterized in that, The cover plate (22) has a rotating shaft (221) and the top cover (20) has a rotating hole (24) for inserting the rotating shaft (221), so that the cover plate (22) can rotate between the first position and the second position.

3. The water tank (100) according to claim 2, characterized in that, A return spring (222) is fitted on the rotating shaft (221), and the return spring (222) is configured to automatically return the cover plate (22) from the second position to the first position.

4. The water tank (100) according to claim 2, characterized in that, A first stop slope (223) is provided at the edge of the cover plate (22) away from the rotation axis (221), and a second stop slope (224) matching the first stop slope (223) is provided at the edge of the gripping part (21) facing the cover plate (22); and / or The top cover (20) is provided with a clearance notch (25), which communicates with the gripping groove (23).

5. The water tank (100) according to any one of claims 1 to 4, characterized in that, The water tank (100) also includes a linkage mechanism (30) that connects the tank body (10) and the top cover (20), such that the top cover (20) can move relative to the tank body (10) and switch between at least a closed position and a gripping position. In the closed position, the top cover (20) closes the opening (11), while in the gripping position, the top cover (20) completely leaves the opening (11) and allows the tank body (10) to be moved by the gripping part (21).

6. The water tank (100) according to claim 5, characterized in that, The linkage mechanism (30) has a first plug shaft (31) for rotatably connecting with the housing (10) and a second plug shaft (32) for rotatably connecting with the top cover (20). The first plug shaft (31) and the second plug shaft (32) are arranged coaxially. The housing (10) has a first receiving hole (13) for the first plug shaft (31), while the top cover (20) has a second receiving hole (26) for the second plug shaft (32).

7. The water tank (100) according to claim 6, characterized in that, The top cover (20) is oriented horizontally in the closed position and vertically in the gripping position, wherein, during the transition from the closed position to the gripping position, the top cover (20) rotates about the second insertion shaft (32) in a first rotational direction, such that the gripping portion (21) is higher than the second insertion shaft (32); and / or The top cover (20) also has an inclined position. During the switching process from the gripping position to the inclined position, the top cover (20) rotates around the second insertion shaft (32) in a second rotation direction opposite to the first rotation direction, such that the gripping part (21) is lower than the second insertion shaft (32) and away from the opening (11) in the horizontal direction.

8. The water tank (100) according to claim 7, characterized in that, The housing (10) has a protruding support (12), and the first receiving hole (13) is disposed on the support (12); and / or The linkage mechanism (30) has a bent transition section (33) between the first insertion shaft (31) and the second insertion shaft (32); and / or The first insertion shaft (31) is provided with a stop protrusion (34), and the first receiving hole (13) is provided with a retraction groove (14) on its periphery that is adapted to the stop protrusion (34), wherein when the linkage mechanism (30) rotates to a specific rotation angle, the stop protrusion (34) aligns with the retraction groove (14); and / or The linkage mechanism (30) has at least a saddle-shaped cross section.

9. The water tank (100) according to any one of claims 1 to 4, characterized in that, The top cover (20) is constructed in two parts and has an upper top cover component (27) and a lower top cover component (28), wherein one of the upper top cover component (27) and the lower top cover component (28) is provided with a locking hook-shaped part (271), and the other is provided with a locking protrusion (281); and / or The top cover (20) is provided with a seal (29) at the lower edge facing the housing (10).

10. A household appliance, characterized in that, The household appliance includes a water tank (100) according to any one of claims 1 to 9.

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