Water tank capable of preventing water accumulation and humidifier

By introducing a first-chamber and second-chamber structure into the humidifier's water tank, and using a guiding surface to direct water flow into the small-volume second-chamber and then outwards, the problem of water accumulation in the water tank is solved, and the quality of the mist is improved.

CN224215525UActive Publication Date: 2026-05-08BEAR ELECTRICAL APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
BEAR ELECTRICAL APPLIANCE CO LTD
Filing Date
2025-05-23
Publication Date
2026-05-08

AI Technical Summary

Technical Problem

The horizontal bottom wall of the water tank in existing humidifiers makes it difficult to completely drain the water, which easily leads to water accumulation. Long-term water accumulation causes scale and bacteria to grow, affecting the quality of the mist.

Method used

Design a water tank that prevents water accumulation. It adopts a first-chamber and second-chamber structure. The water flow from the first-chamber is guided into the smaller second-chamber using a guide surface and discharged through a water outlet to reduce water accumulation.

Benefits of technology

It effectively reduces water accumulation in the water tank, prevents the growth of scale and bacteria, improves mist quality, ensures that water in the water tank is fully drained, and avoids mist quality problems caused by water accumulation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The water tank capable of preventing water accumulation comprises a tank body, a first water inlet, a first cavity section and a second cavity section are arranged in the tank body, and the first water inlet is communicated with the first cavity section; the second cavity section is arranged on the bottom wall of the first cavity section, a second water inlet is formed in the second cavity section, a guide surface is arranged on the bottom wall of the first cavity section, and the guide surface is connected to the second water inlet and guides water flow of the first cavity section to enter the second cavity section; the volume of the second cavity section is smaller than that of the first cavity section; and the water outlet piece is communicated to the second cavity section and guides the water flow of the second cavity section to be guided out. The humidifier comprises the water tank capable of preventing water accumulation. According to the water tank capable of preventing water accumulation and the humidifier, water flow of the first cavity section of the tank body can be guided to the second cavity section with smaller volume through the guide surface and then guided out, so that water accumulation is not easy to occur.
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Description

Technical Field

[0001] This utility model relates to the field of water tank structure, and in particular to a water tank that can prevent water accumulation and a humidifier. Background Technology

[0002] Currently, humidifiers and air purifiers primarily use water atomization to produce mist, which is then released into the air to humidify it. In contrast, humidifiers and air-water purifiers mainly rely on a water pump to draw water from a tank for recycling.

[0003] Taking humidifiers as an example, the water tank is usually installed at the bottom of the unit. A water pump draws water from the tank and into the atomizing structure of the humidifier. The bottom wall of the water tank is usually horizontal. When the unit is placed flat on the ground or table, even with the water pump, the water in the tank may not be completely drained. Therefore, the water tank must be placed at an angle to allow the water to flow to one side and reduce water accumulation.

[0004] If the water in the tank is not drained for a long time, the water in the tank needs to be cleaned regularly. Otherwise, scale or bacteria will grow in the tank, resulting in poor quality mist produced after the water in the tank is atomized. Utility Model Content

[0005] In order to overcome at least one of the defects of the prior art, the present invention provides a water tank and humidifier that can prevent water accumulation. The water flow in the first cavity of the tank can be guided to the second cavity with a smaller volume through the guide surface and then discharged, so that water is not easy to accumulate.

[0006] The technical solution adopted by this utility model to solve its problem is:

[0007] A water tank that prevents water accumulation includes,

[0008] The housing includes a first water inlet, a first cavity, and a second cavity. The first water inlet is connected to the first cavity. The second cavity is located on the bottom wall of the first cavity and has a second water inlet. The bottom wall of the first cavity has a guide surface that connects to the second water inlet and guides the water flow from the first cavity into the second cavity. The volume of the second cavity is smaller than the volume of the first cavity.

[0009] The water outlet is connected to the second cavity section and guides the water flow out of the second cavity section.

[0010] As an alternative implementation, the bottom wall of the first cavity is recessed downwards to form a groove, and the second cavity is formed within the groove.

[0011] As an optional implementation, the bottom wall of the first cavity section is provided with an inclined surface, which gradually slopes towards the second water inlet from top to bottom; the guide surface includes the inclined surface.

[0012] As an optional implementation, the bottom periphery of the box body is provided with a downwardly extending support edge; the bottom wall of the first cavity section is recessed downward so that the bottom wall of the groove protrudes from the bottom end face of the box body; the bottom end face of the support edge is lower than or flush with the bottom end face of the groove.

[0013] As an optional implementation, the bottom surface of the supporting edge is flush with the bottom surface of the groove.

[0014] As an optional implementation, the water outlet includes a water pump and a water guide pipe. The water pump is installed in the second cavity section, and the water guide pipe is connected to the water pump and guides the water flow from the second cavity section outward.

[0015] As an optional implementation, the first water inlet is located at the top of the tank, and the first water inlet is covered by a tank cover in a detachable manner.

[0016] As an optional implementation, the tank cover is provided with a water inlet hole.

[0017] As an optional implementation, the tank cover is provided with a water outlet hole, which is in communication with the water outlet component.

[0018] A humidifier includes the aforementioned water tank that is designed to prevent water accumulation.

[0019] In summary, this utility model has the following technical effects:

[0020] 1. A small amount of water retained in the first cavity can be guided to the second cavity, which has a smaller volume, through the guide surface. A certain water level is formed in the second cavity, which facilitates the discharge of water through the outlet, thereby reducing the generation of water in the tank.

[0021] 2. When applied to humidifiers, air purifiers, and other structures, the water in the tank can be fully drained, thus preventing scale buildup or bacterial growth. This effectively reduces the quality problems of humidified mist caused by scale buildup or bacterial growth in the tank, improving the mist quality of humidifiers, air purifiers, and other similar devices. Attached Figure Description

[0022] To more clearly illustrate the technical solutions in the embodiments of this utility model, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0023] Figure 1 This is a schematic diagram of the exploded structure of the water tank of this utility model;

[0024] Figure 2 This is a cross-sectional view of the water tank of this utility model;

[0025] Figure 3 This is a schematic diagram of the overall structure of the water tank of this utility model;

[0026] Figure 4 This is a schematic diagram of the overall structure of the water tank of this utility model from another perspective;

[0027] Figure 5 This is a schematic diagram of the assembly structure of the tank and water outlet of this utility model;

[0028] Figure 6 This is a schematic diagram of the structure of the box body of this utility model.

[0029] The meanings of the reference numerals in the attached drawings are as follows: 10, housing; 11, first cavity section; 111, guide surface; 12, second cavity section; 13, housing cover; 131, water inlet; 132, water outlet; 14, supporting edge; 20, water outlet component. Detailed Implementation

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0031] In this invention, the terms "upper," "lower," "left," "right," "front," "rear," "top," "bottom," "inner," "outer," "middle," "vertical," "horizontal," "lateral," and "longitudinal" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. These terms are primarily for the purpose of better describing this invention and its embodiments, and are not intended to limit the indicated device, element, or component to having a specific orientation, or to be constructed and operated in a specific orientation.

[0032] Furthermore, in addition to indicating direction or positional relationship, some of the aforementioned terms may also have other meanings. For example, the term "above" may also be used in some cases to indicate a certain dependency or connection relationship. Those skilled in the art can understand the specific meaning of these terms in this utility model according to the specific circumstances.

[0033] Furthermore, the terms "installation," "setup," "equipped with," "connection," and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral structure; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium, or an internal connection between two devices, components, or parts. Those skilled in the art can understand the specific meaning of these terms in this utility model based on the specific circumstances.

[0034] Furthermore, the terms "first," "second," etc., are primarily used to distinguish different devices, elements, or components (which may be the same or different in specific type and construction), and are not intended to indicate or imply the relative importance or quantity of the indicated devices, elements, or components. Unless otherwise stated, "a plurality of" means two or more.

[0035] The technical solution of this utility model will be further described below with reference to the embodiments and accompanying drawings.

[0036] See Figures 1-6 This utility model discloses a water tank that prevents water accumulation, including a tank body 10 and a water outlet 20. The tank body 10 is provided with a first water inlet, a first cavity 11, and a second cavity 12. The first water inlet is connected to the first cavity 11 and can be used to introduce water into the first cavity 11 of the tank body 10. The bottom wall of the first cavity 11 is provided with the second cavity 12, which is provided with a second water inlet, which can connect the second cavity 12 to the first cavity 11.

[0037] Specifically, a guide surface 111 is provided on the bottom wall of the first cavity 11. The guide surface 111 is connected to the first water inlet and guides the water flow of the first cavity 11 into the second cavity 12. The volume of the second cavity 12 is smaller than the volume of the first cavity 11. The above-mentioned water outlet 20 is connected to the second cavity 12, and the water outlet 20 can guide the water flow of the second cavity 12 out.

[0038] Based on the above structure, when using the water tank of this utility model that can prevent water accumulation, the water tank can be used in existing humidifiers, air purifiers and other structures that require steam humidification. When in use, water can be added to the tank body 10 through the first water inlet. The first water inlet guides the water flow into the first cavity 11. Since the second cavity 12 is located on the bottom wall of the first cavity 11, when there is a lot of water in the first cavity 11, both the first cavity 11 and the second cavity 12 are in a state of water. The water outlet 20 can guide the water in the second cavity 12 of the tank body 10 out.

[0039] During the continuous outflow of water from the second cavity 12 through the outlet 20, the water in the first cavity 11 can be guided by the guide surface 111 to the second inlet of the second cavity 12, so the outlet 20 can continuously outflow water.

[0040] When the water level in the first cavity 11 is insufficient, since the second cavity 12 is located on the bottom wall of the first cavity 11, the water level on the bottom wall of the first cavity 11 is at its lowest, and can be guided to the second inlet through the guide surface 111 and enter the smaller second cavity 12. That is, although the small amount of water retained in the first cavity 11 is dispersed and difficult to drain from the bottom wall of the large-volume first cavity 11, it can be guided to the smaller second cavity 12 through the guide surface 111, forming a certain water level in the second cavity 12, which is convenient for the water outlet 20 to drain, thereby reducing the generation of water in the tank 10.

[0041] When used in humidifiers, air purifiers, and other similar applications, the water in the tank can be fully drained, preventing scale buildup or bacterial growth. This effectively reduces the quality issues of the humidified mist caused by scale buildup or bacterial growth in the tank, thus improving the mist quality of humidifiers and air purifiers.

[0042] It should be noted that if the water outlet 20 is a drain outlet, drain pipe or other structure, the water outlet 20 can be set on the bottom wall of the second cavity 12. Since the water flow on the bottom wall of the large-volume first cavity 11 can be guided to the small-volume second cavity 12 through the guide surface 111, it is not easy for water to accumulate in the large-volume first cavity 11. The second cavity 12 has a small volume, and the water can flow out through the water outlet 20 more quickly, which is not easy to form a local low-lying area that causes water accumulation.

[0043] If the water outlet 20 is a water pump structure, formed by the water pump and the water guide pipe structure, the power provided by the water pump can guide the water flow of the second chamber 12 into the water guide pipe. When pumping water, under the condition that the water pump provides the same pumping power, the water volume of the second chamber 12 is small, the resistance that needs to be overcome during the pumping process is relatively small, and the time required to complete the pumping is shorter. Therefore, it is easier to be pumped out, and thus it is not easy for water to accumulate inside the tank 10.

[0044] As an optional implementation, the bottom wall of the first cavity 11 is recessed downwards to form a groove, and the internal space of the groove can form a second cavity 12. Since the groove is formed by the recess of the bottom wall of the first cavity 11, when the water level in the first cavity 11 is very low, the water flow is distributed on the bottom wall. Following the natural law of water flowing downhill, a small amount of water in the first cavity 11 can be guided by the guide surface 111 to the second cavity 12 formed by the groove at the lower position, and then discharged through the water outlet 20 of the second cavity 12. This makes it less likely for water to accumulate inside the tank 10.

[0045] Of course, in addition to using a groove structure to form the second cavity, the bottom wall of the first cavity can be gradually inclined from the edge to the middle to form a concave structure, or a protruding structure can be set on the bottom wall of the first cavity to form a low position, which can form the structure of the second cavity. In short, a second cavity can be formed by forming a low-lying structure on the bottom wall of the first cavity to guide the water flow of the bottom wall of the first cavity into the low-lying position. The specific setting can be selected according to the actual needs.

[0046] As an optional implementation, the bottom wall of the first cavity 11 is provided with an inclined surface, which gradually slopes towards the second water inlet from top to bottom. That is, the guide surface 111 in this embodiment includes an inclined surface. The inclined surface can guide the water flow on the bottom wall of the first cavity 11 to flow downwards and into the second cavity 12, that is, to flow towards the position connected with the water outlet 20. The water flow in the second cavity 12 can be concentrated and discharged through the water outlet 20, reducing the formation of water accumulation.

[0047] Of course, the bottom end of the first cavity section 11 can also be selected as an arc-shaped guide surface 111. The arc-shaped guide surface 111 can also be bent downwards to connect to the second water inlet, which can also achieve the guidance of water flow.

[0048] In order to allow the water in the first cavity 11 to flow fully into the second cavity 12, the aforementioned guide surface 111 can be arranged around the periphery of the second inlet. Taking the inclined surface as the guide surface 111 as an example, the circumference of the second inlet is connected to the bottom wall of the first cavity 11 by the inclined surface. In this way, the water on the bottom wall of the first cavity 11 can flow to the second cavity 12 in all directions, making it less likely for water to accumulate on the bottom wall of the first cavity 11.

[0049] In addition, if the arc-shaped surface acts as the guide surface 111, and the arc-shaped surface surrounds the second water inlet to form a conical structure, the water flow on the bottom wall of the first cavity 11 can flow in all directions to the second cavity 12, reducing the formation of water accumulation.

[0050] As an optional implementation, the bottom periphery of the housing 10 is provided with a downwardly extending support edge 14; the bottom wall of the first cavity section 11 is recessed downward so that the bottom wall of the groove protrudes from the bottom end face of the housing 10; the bottom end face of the support edge 14 is lower than or flush with the bottom end face of the groove.

[0051] Since the groove structure used as the second cavity 12 is formed by the bottom wall of the first cavity 11 being recessed downwards, the corresponding groove position of the first cavity 11 is protruding downwards. If it is placed directly on the ground or tabletop, the box 10 will not be stable after placement. Therefore, a downwardly extending support edge 14 is provided. Since the bottom end of the support edge 14 is lower or flush with the bottom end of the groove, when the box 10 is placed, the bottom end of the support edge 14 contacts the ground or tabletop. In this way, the placement structure of the box 10 is stable and it is not easy for it to shake.

[0052] Furthermore, the supporting edge 14 is arranged around the bottom perimeter of the box 10, so when the box 10 is placed, the supporting edge 14 in all directions abuts against the table or ground, making the placement structure more stable.

[0053] In this embodiment, the bottom surface of the supporting edge 14 is flush with the bottom surface of the groove. That is, when the box 10 is placed on a table or the ground, the periphery of the box 10 is supported by the supporting edge 14, while the middle position of the box 10 is supported by the bottom surface of the groove. In this way, the placement structure of the box 10 has different support points in the middle and around the periphery, making the placement structure of the box 10 more stable.

[0054] As an optional implementation, the aforementioned water outlet component 20 includes a water pump and a water guide pipe. The water pump is installed in the second chamber section 12, and the water guide pipe is connected to the water pump and guides the water flow from the second chamber section 12 outwards. Based on this structure, the water pump is installed inside the second chamber section 12. When the water pump starts, the power it provides can guide the water flow in the second chamber section 12 into the water guide pipe, and then discharge it centrally through the water guide pipe.

[0055] Since the water pump is located in the second chamber 12, the water flow in the second chamber 12 can be concentrated and discharged. Under the condition that the water pump provides the same pumping power, the water volume in the smaller second chamber 12 is less, the resistance that needs to be overcome during the pumping process is relatively small, the time required to complete the pumping is shorter, and therefore it is easier to be pumped out, and thus it is less likely to form water accumulation inside the tank 10.

[0056] In this configuration, the water outlet of the water pipe can be located at the top or side of the housing 10, with the water pump powering the water flow upwards or outwards via the side. When applied to devices such as humidifiers and air purifiers, the power provided by the water pump can drive the water flow at a faster speed and achieve faster atomization.

[0057] Of course, when the water outlet 20 is selected as a drain outlet, drain pipe or other structure, it is set at the bottom of the second cavity 12. In this way, the water flow in the second cavity 12 can flow downward according to natural laws. The water pump or other structure can be set in the body of the humidifier or air purifier to accelerate the water flow rate.

[0058] As an optional implementation, the first water inlet is located at the top of the tank 10, and the first water inlet is detachably covered by a tank cover 13. Thus, when adding water to the tank 10, the tank cover 13 can be removed from the top of the tank 10, and the user can add water through the first water inlet. Simultaneously, the tank cover 13 can also be removed from the tank 10, allowing the user to clean the inside of the tank 10 or maintain its internal structure through the first water inlet.

[0059] Furthermore, the tank cover 13 can be equipped with a water inlet 131, which can be opened when adding a large amount of water to the tank body 10. When the water tank is used in devices such as humidifiers and air purifiers, the tank cover 13 can be closed to the first water inlet of the tank body 10, and then the water inlet 131 can be connected to the return water pipe for the atomizing structure of humidifiers, air purifiers, etc., to facilitate water circulation.

[0060] Furthermore, the aforementioned cover 13 is also provided with a water outlet 132, which is connected to the water outlet component 20. Based on the structure of the water outlet component 20, which consists of a water pump and a water guide pipe, one end of the water guide pipe is connected to the water outlet interface of the water pump, and the other end of the water guide pipe is connected to the water outlet 132. In this way, both the return water and the water outlet of the water tank are set on the cover 13, which makes it convenient to directly install the water tank under the body of humidifiers, air purifiers, etc. The water outlet 132 is connected to the atomizing structure on the top of the body through the water outlet pipe. At the same time, the atomizing structure on the top of the body can also return to the water inlet 131 through the return water pipe. This makes the pipe connection convenient and eliminates the need to set up pipes below.

[0061] Example 2,

[0062] A humidifier includes a water tank that prevents water accumulation, as described in Embodiment 1. When this water tank is used in the humidifier, water can be added to the tank body 10 through a first water inlet. The first water inlet guides the water flow into a first chamber 11. Since a second chamber 12 is located on the bottom wall of the first chamber 11, both the first chamber 11 and the second chamber 12 contain water when there is a large amount of water in the first chamber 11. The water outlet 20 guides the water in the second chamber 12 of the tank body 10 to the atomizing structure of the humidifier for atomization, generating mist to humidify and purify the air.

[0063] When the water level in the first cavity 11 is insufficient, since the second cavity 12 is located on the bottom wall of the first cavity 11, the water level on the bottom wall of the first cavity 11 can be guided to the second inlet through the guide surface 111 when it is at its lowest, and then enter the second cavity 12 with a smaller volume. That is, although the small amount of water retained in the first cavity 11 is dispersed and difficult to drain from the bottom wall of the first cavity 11 with a large volume, it can be guided to the second cavity 12 with a smaller volume through the guide surface 111 and form a certain water level in the second cavity 12, which is convenient for the water outlet 20 to drain, thereby reducing the generation of water in the tank 10.

[0064] When applied to humidifier structures, the water in the tank can be fully drained, thus preventing scale buildup or bacterial growth due to water accumulation. This effectively reduces humidification mist quality issues caused by scale buildup or bacterial growth in the tank, improving the mist quality of humidifiers, air purifiers, and other similar devices.

[0065] Of course, the water tank in this embodiment is used in the same way as other structures, working principles and effects as in Embodiment 1, and will not be described in detail here. In addition, the atomization structure of the humidifier in this embodiment can be an ultrasonic atomization structure (using high-frequency oscillations generated by an ultrasonic transducer to atomize water into ultrafine particles), an evaporative atomization structure (air is drawn in by a fan, passes through a moistened filter or evaporation core, and forms an atomized airflow containing moisture that is then discharged into the air), or a thermal atomization structure (using a heating element to heat the liquid to its boiling point, generating water vapor and releasing it into the air for humidification). The specific atomization structure can be selected and set according to actual needs.

[0066] The technical means disclosed in this utility model are not limited to those disclosed in the above embodiments, but also include technical solutions composed of any combination of the above technical features. It should be noted that those skilled in the art can make various improvements and modifications without departing from the principle of this utility model, and these improvements and modifications are also considered within the scope of protection of this utility model.

Claims

1. A water tank that prevents water accumulation, characterized in that, include, The housing includes a first water inlet, a first cavity, and a second cavity. The first water inlet is connected to the first cavity. The second cavity is located on the bottom wall of the first cavity and has a second water inlet. The bottom wall of the first cavity has a guide surface that connects to the second water inlet and guides the water flow from the first cavity into the second cavity. The volume of the second cavity is smaller than the volume of the first cavity. The water outlet is connected to the second cavity section and guides the water flow out of the second cavity section.

2. The water tank capable of preventing water accumulation according to claim 1, characterized in that, The bottom wall of the first cavity is recessed downwards to form a groove, and the second cavity is formed within the groove.

3. The water tank capable of preventing water accumulation according to claim 2, characterized in that, The bottom wall of the first cavity section is provided with an inclined surface, which gradually slopes towards the second water inlet from top to bottom; the guide surface includes the inclined surface.

4. The water tank capable of preventing water accumulation according to claim 2, characterized in that, The bottom periphery of the box body is provided with a downwardly extending support edge; the bottom wall of the first cavity section is recessed downward so that the bottom wall of the groove protrudes from the bottom end face of the box body; the bottom end face of the support edge is lower than or flush with the bottom end face of the groove.

5. The water tank capable of preventing water accumulation according to claim 4, characterized in that, The bottom surface of the supporting edge is flush with the bottom surface of the groove.

6. The water tank capable of preventing water accumulation according to any one of claims 1-5, characterized in that, The water outlet component includes a water pump and a water guide pipe. The water pump is installed in the second cavity section, and the water guide pipe is connected to the water pump and guides the water flow out of the second cavity section.

7. The water tank capable of preventing water accumulation according to any one of claims 1-5, characterized in that, The first water inlet is located at the top of the tank, and the first water inlet is covered by a tank cover in a detachable manner.

8. The water tank capable of preventing water accumulation according to claim 7, characterized in that, The tank cover is equipped with a water inlet hole.

9. The water tank capable of preventing water accumulation according to claim 8, characterized in that, The tank cover is provided with a water outlet hole, which is connected to the water outlet component.

10. A humidifier, characterized in that, Including the water tank that can prevent water accumulation as described in any one of claims 1-9.