Spraying fan

Abstract

The utility model provides a spraying fan which comprises a machine shell, the machine shell is provided with two opposite side vertical faces arranged in a spaced mode, an air inlet is formed in one side vertical face, an air outlet is formed in the other side vertical face, an axial flow fan is assembled in the machine shell, the air inlet end of the axial flow fan faces the air inlet, and the air outlet end of the axial flow fan faces the air outlet. An atomizer is further arranged in the machine shell, and an atomizing head of the atomizer is located in the area between the air inlet end of the axial flow fan and the air inlet. Most of liquid drops with larger diameters in air flow are separated from the air flow under the action of centrifugal force of the fan blades rotating at a high speed, and liquid drops with smaller diameters penetrate through the axial flow fan and then are blown out from the air outlet, so that a target environment is humidified; due to the fact that the liquid drops with the large diameter in the blown-out airflow are separated under the action of the fan blades, the phenomenon that in the prior art, the liquid drops with the large diameter in the spraying airflow settle and wet a table top or the ground can be effectively improved, and then the use satisfaction degree of a user is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of household appliance design, and particularly relates to a spray fan. Background Art

[0002] A spray fan (which can also be called a humidifier) blows out the mist generated by an atomizer to achieve the effect of humidifying the external environment. In a common spray fan, the atomizer is arranged at the blowing end (i.e., the positive pressure section) of the fan. The problem with this arrangement is that the mist generated by the atomizer actually includes liquid droplets with different diameters. Among them, the liquid droplets with smaller diameters can be blown far and evaporated with the wind to achieve the purpose of humidification, while the liquid droplets with larger diameters settle on the desktop / floor due to their larger mass, thus wetting the desktop / floor. This drawback is particularly obvious in an environment with a relatively high humidity. Summary of the Utility Model

[0003] Therefore, the utility model provides a spray fan, which can solve the technical problem that in the prior art, the larger-diameter liquid droplets in the spray air flow of the spray fan are likely to settle at the desktop or floor where the fan is located during use, resulting in the wetting of the desktop / floor and reducing the user's satisfaction.

[0004] To solve the above problems, the utility model provides a spray fan, which includes a casing. The casing has two relatively spaced side faces. An air inlet is formed on one of the side faces, and an air outlet is formed on the other side face. An axial flow fan is assembled in the casing. The air inlet end of the axial flow fan faces the air inlet, and the air outlet end faces the air outlet. An atomizer is also arranged in the casing, and the atomizing head of the atomizer is located in the area between the air inlet end of the axial flow fan and the air inlet.

[0005] In some embodiments, the bottom of the casing has a water tank. A water collecting air duct is also arranged in the casing. The water collecting air duct has a water collecting barrel wall that is circumferentially arranged around the axial flow fan and at least in the bottom area of the axial flow fan. The water collecting barrel wall has a drainage structure, and the drainage structure can drain the water collected by the water collecting air duct into the water tank.

[0006] In some embodiments, the drainage structure includes a water collecting groove at the lowest position of the water collecting barrel wall; or, the drainage structure includes a first drainage plate arranged at the lowest position of the water collecting barrel wall and extending from the air outlet side towards the air inlet side with a decreasing height; or, the drainage structure includes a water falling notch opened at the lowest position of the water collecting barrel wall, and both sides of the water falling notch have second drainage plates extending from top to bottom; and / or

[0007] The rotating shaft of the water collecting air duct and / or the axial flow fan is gradually inclined from top to bottom from the air outlet side to the air inlet side.

[0008] In some embodiments, a partition is further provided in the casing. The partition seals the top opening of the water tank, and the atomizer is assembled on the partition. And / or, a water falling port is formed on the partition. The water collected by the water collecting air duct is first drained to the partition through the drainage structure and then flows back into the water tank through the water falling port.

[0009] In some embodiments, an air outlet grille is assembled in the air outlet. The air outlet grille has a plurality of grille bars extending radially outward along its radius. The cross-sectional width of each grille bar gradually increases from the inner side of the grille to the outer side of the grille.

[0010] In some embodiments, the air outlet grille includes a central disk and an outer ring outside the central disk. Each grille bar is located between the central disk and the outer ring. A diversion groove is formed on the outer end face of the connection position of each grille bar and the outer ring. The diversion groove can guide the water on the outer end face of the grille bar towards the inner side of the air outlet grille.

[0011] In some embodiments, the grille bar has at least two branch bars, and a diversion inclined surface is formed at the intersection position of each branch bar. The diversion inclined surface is closer to the central disk as it goes from the outer side to the inner side of the air outlet grille; and / or, a diversion inclined surface is formed at the edge position of the inner end face of the central disk. The diversion inclined surface is closer to the central disk as it goes from the outer side to the inner side of the air outlet grille.

[0012] In some embodiments, a water-absorbing cotton swab is provided in the water tank, and the atomizer is supplied with water through the water-absorbing cotton swab.

[0013] In some embodiments, the axial flow fan includes a fan blade and a motor for driving the fan blade to rotate. A sealed housing is further formed in the casing. The sealed housing is suspended in the casing by a plurality of support rods, and the motor is assembled in the sealed housing.

[0014] In some embodiments, the fan blade includes a hub. The hub has a first water blocking ring extending towards the motor side. The sealed housing has a second water blocking ring extending towards the fan blade side. The first water blocking ring and the second water blocking ring are sleeved with a gap.

[0015] The spray fan provided by the present utility model has the following beneficial effects:

[0016] The atomizing head of the atomizer is arranged in the area between the air inlet end of the axial flow fan and the air inlet. When the axial flow fan operates, while driving the external air flow to enter the interior of the casing through the air inlet, it also carries the water mist in the atomizing chamber into the axial flow fan. In this way, most of the larger-diameter droplets in the air flow will be separated from the air flow under the action of the centrifugal force of the high-speed rotating fan blades, and the smaller-diameter droplets will pass through the axial flow fan and be blown out from the air outlet to humidify the target environment. Since the larger-diameter droplets in the blown air flow have been separated under the action of the fan blades, it can effectively improve the phenomenon that the larger-diameter droplets in the spray air flow in the prior art settle and wet the desktop / floor, thereby enhancing the user's satisfaction. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. The drawings in the following description are only exemplary, and for those of ordinary skill in the art, without creative efforts, other implementation drawings can also be obtained based on the provided drawings.

[0018] Figure 1 It is a schematic perspective view of a spray fan according to an embodiment of the present invention, in which part of the structure of the air inlet grille is cut away to show the corresponding internal structure;

[0019] Figure 2 is Figure 1 sectional view of;

[0020] Figure 3 It is a schematic view of the internal structure (partial) of a spray fan according to another embodiment of the present invention;

[0021] Figure 4 It is a schematic perspective view of the water collection air duct in one embodiment of the present invention;

[0022] Figure 5 It is a schematic sectional view of the water collection air duct in another embodiment of the present invention;

[0023] Figure 6 It is a schematic perspective view of the water collection air duct in still another embodiment of the present invention;

[0024] Figure 7 It is a schematic view of the outer structure (stereoscopic) of the air outlet grille in the present invention;

[0025] Figure 8 is Figure 7 inner structure schematic view of the air outlet grille in;

[0026] Figure 9 isFigure 8 Partial sectional view of the air outlet grille in

[0027] The reference numerals are as follows:

[0028] 1. Cabinet; 11. Air inlet; 111. Air inlet grille; 12. Air outlet; 13. Water collecting air duct; 131. Water collecting groove; 132. First drainage plate; 133. Water falling notch; 134. Second drainage plate; 14. Partition board; 15. Sealing cover; 151. Support rod; 152. Second water retaining ring; 2. Atomizer; 3. Water tank; 31. Absorbent cotton swab; 4. Air outlet grille; 41. Grille bar; 411. Diversion groove; 412. Diversion slope; 42. Central disc; 43. Outer ring; 5. Axial flow fan; 51. Fan blade; 511. First water retaining ring; 52. Motor; 100. Atomization chamber. Specific embodiments

[0029] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and in no way limits the present invention and its application or use. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0030] In the description of the present invention, it should be understood that the orientation terms such as "front, back, up, down, left, right", "horizontal, vertical, perpendicular, horizontal" and "top, bottom", etc., usually indicate the orientation or position relationship based on the orientation or position relationship shown in the drawings. It is only for the convenience of describing the present invention and simplifying the description. Without contrary explanation, these orientation terms do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation. Therefore, it should not be construed as limiting the protection scope of the present invention; the orientation terms "inside, outside" refer to the inside and outside relative to the contour of each component itself.

[0031] For ease of description, spatial relative terms such as "above", "over", "on the upper surface", "upper", etc. may be used herein to describe the spatial positional relationship of one device or feature to other devices or features as shown in the figures. It should be understood that the spatial relative terms are intended to encompass different orientations in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is inverted, a device described as "above" or "over" other devices or structures will then be positioned "below" or "beneath" the other devices or structures. Thus, the exemplary term "above" can include both orientations of "above" and "below". The device may also be positioned in other different ways (rotated 90° or in other orientations), and the corresponding explanations for the spatial relative descriptions used herein will be made accordingly.

[0032] In addition, it should be noted that the use of terms such as "first", "second", etc. to limit components is only for the convenience of distinguishing the corresponding components. Without additional statements, the above terms have no special meanings, and thus should not be construed as limiting the protection scope of the present utility model.

[0033] Referring jointly to Figures 1 to 9 As shown, according to an embodiment of the present utility model, a spray fan is provided, which includes a housing 1. The housing 1 has two relatively spaced side faces (not labeled in the figure, which are the front side face and the rear side face in the use state). An air inlet 11 is formed on one of the side faces (for example, the rear side face), and an air outlet 12 is formed on the other side face (for example, the rear side face). An axial flow fan 5 is assembled in the housing 1. The air inlet end of the axial flow fan 5 faces the air inlet 11, and the air outlet end faces the air outlet 12, that is, the axial flow fan 5 is located between the air inlet 11 and the air outlet 12. Thus, when the axial flow fan 5 operates, external air flow will enter the housing 1 from the air inlet 11 and be blown out through the air outlet 12. A nebulizer 2 is further provided in the housing 1. The atomizing head of the nebulizer 2 is located in the area between the air inlet end of the axial flow fan 5 and the air inlet 11 (this area corresponds to the negative pressure section of the axial flow fan 5), that is, the aforementioned area objectively forms an atomizing chamber 100.

[0034] In this technical solution, the atomizing head of the atomizer 2 is arranged in the area between the air inlet end of the axial flow fan 5 and the air inlet 11. When the axial flow fan 5 operates, while driving the external air flow to enter the machine shell 1 through the air inlet 11, it also carries the water mist in the atomization chamber 100 into the axial flow fan 5. In this way, most of the relatively large-diameter droplets in the air flow will be separated from the air flow under the action of the centrifugal force of the high-speed rotating fan blades 51, and the relatively small-diameter droplets will pass through the axial flow fan 5 and then be blown out from the air outlet 12 to humidify the target environment. Since the relatively large-diameter droplets in the blown air flow have been separated under the action of the fan blades 51, it is possible to effectively improve the phenomenon that the relatively large-diameter droplets in the spray air flow in the prior art settle and wet the desktop / floor, thereby improving the user's satisfaction.

[0035] In some embodiments, the bottom of the machine shell 1 has a water tank 3 for storing water (such as purified water or tap water) used for atomization. A water collecting air duct 13 is also provided in the machine shell 1. The water collecting air duct 13 has a water collecting cylinder wall (not labeled in the figure) arranged circumferentially around the axial flow fan 5 and at least in the bottom area of the axial flow fan 5. The water collecting cylinder wall has a drainage structure (not labeled in the figure), and the drainage structure can drain the water collected by the water collecting air duct 13 into the water tank 3.

[0036] In this technical solution, the water collecting cylinder wall is in the bottom area of the axial flow fan 5, so as to receive the droplets (water) separated from the outer periphery of the axial flow fan 5 and guide this part of the droplets to flow downward into the water tank 3 below, preventing the excessive water separated inside the machine shell 1 from overflowing outside the spray fan.

[0037] The specific structural form of the drainage structure can be diverse. For example Figure 4 As shown, in this embodiment, the drainage structure includes a water collecting groove 131 at the lowest position of the water collecting cylinder wall. The opening side of the water collecting groove 131 is inside the machine shell 1, which can collect water therein and guide it to flow towards the position of the water tank 3; or, as Figure 5 shown, in this embodiment, the drainage structure includes a first drainage plate 132 arranged at the lowest position of the water collecting cylinder wall and extending from the air outlet 12 towards the air inlet 11 side with a decreasing height, so that the water can flow inward along one side of the air outlet 12 under the action of its own weight and flow back into the water tank 3 under the drainage action of the first drainage plate 132; or, as Figure 6As shown, in this embodiment, the drainage structure includes a water-falling gap 133 opened at the lowest position of the water-collecting cylinder wall. Both sides of the water-falling gap 133 are provided with second drainage plates 134 extending downward from top to bottom. The water separated by the axial flow fan 5 will fall back into the lower water tank 3 through the water-falling gap 133. Specifically, under the guiding action of the water-collecting cylinder wall, most of the water will flow downward along the guiding direction of the second drainage plates 134.

[0038] Specifically refer to Figure 3 As shown, in some embodiments, the rotating shaft of the water-collecting air cylinder 13 and / or the axial flow fan 5 gradually inclines downward from the air outlet 12 to the air inlet 11 side, that is, the aforementioned water-collecting air cylinder 13 and the axial flow fan 5 both form an elevation angle.

[0039] In this technical solution, the rotating shaft of the water-collecting air cylinder 13 and / or the axial flow fan 5 is inclined. Specifically, the side close to the air outlet 12 is higher and the side close to the air inlet 11 is lower. In this way, the separated water (droplets) can be guided to flow toward the inner side of the casing 1, which is beneficial to the reflux of this part of the water and prevents it from flowing out of the outside of the casing 1.

[0040] In some embodiments, a partition 14 is further provided in the casing 1. The partition 14 is sealingly arranged at the top opening of the water tank 3, and the atomizer 2 is assembled on the partition 14. That is, on the one hand, the partition 14 can block and close the top opening of the water tank 3, and on the other hand, it serves as the installation carrier of the atomizer 2, thus simplifying the structural design of the spray fan. It can be understood that through holes corresponding to the atomizing heads of the atomizer 2 should be constructed on the partition 14, and the upper region of the through holes is the aforementioned atomizing chamber 100.

[0041] In some embodiments, a water-falling port (not labeled in the figure) is formed on the partition 14. The water collected by the water-collecting air cylinder 13 is first drained to the partition 14 through the drainage structure and then flows back into the water tank 3 through the water-falling port, so as to effectively reduce the drop of the backflow water and prevent the dripping noise generated during the backflow process of the water. The aforementioned water-falling port can specifically be a regular through hole constructed on the partition 14, or the gap between the outer peripheral edge of the partition 14 and the inner wall surface of the casing 1.

[0042] It can be understood that an air inlet grille 111 is assembled in the aforementioned air inlet 11, and an air outlet grille 4 is assembled in the air outlet 12 to form a certain protective effect and air flow filtering effect. In some embodiments, the air outlet grille 4 has a plurality of grille bars 41 radially extending outward along its radius. The cross-sectional width of each grille bar 41 gradually increases from the inner side of the grille to the outer side of the grille. The aforementioned inner side and outer side are defined with reference to the inner side and outer side of the casing 1. Specifically refer to Figure 9As shown, the cross-sectional shape of each grille bar 41 is generally trapezoidal, and is an isosceles trapezoid in a preferred embodiment. In this technical solution, each grille bar 41 is wider on the outside and narrower on the inside. Especially in the case of having an elevation angle, the water droplets slowly accumulating on the grille bar 41 will be located on the narrower inner side due to surface tension. After the water droplets increase, they will flow down along the inner side, so that they will not flow outside the air outlet grille 4 (i.e., outside the casing 1).

[0043] Specifically refer to Figure 8 As shown, in some embodiments, the air outlet grille 4 includes a central disk 42 and an outer ring 43 outside the central disk 42. Each grille bar 41 is between the central disk 42 and the outer ring 43. A diversion groove 411 is formed on the outer end face of the connection position of each grille bar 41 and the outer ring 43. The diversion groove 411 can guide the water on the outer end face of the grille bar 41 towards the inside of the air outlet grille 4.

[0044] In this technical solution, a diversion groove 411 that is recessed towards its inner side is provided at the outer side face of the radially outer end of each grille bar 41. In this way, it can prevent the water droplets flowing down along the grille bar 41 from flowing to the outer end face of the air outlet grille 4, but will be guided to the inner end face of the air outlet grille 4 and then flow back to the water tank 3 below through the guiding action of the aforementioned water collecting air duct 13.

[0045] Further refer to Figure 8 As shown, in some embodiments, the grille bar 41 has at least two branch bars (not labeled in the figure). A diversion slope 412 is formed at the intersection position of each branch bar. As shown in the figure, there are two branch bars, so that each grille bar 41 is in a Y shape. The diversion slope 412 is getting closer and closer to the central disk 42 along the direction from the outside to the inside of the air outlet grille 4; further, a diversion slope 412 is formed at the edge position of the inner end face of the central disk 42. The diversion slope 412 is getting closer and closer to the central disk 42 along the direction from the outside to the inside of the air outlet grille 4. The air outlet grille 4 with multiple branch bars has strong structural stiffness and can also improve the appearance aesthetic feeling. However, this will cause the water droplets on the air outlet grille 4 to easily accumulate at the intersection positions of each branch bar and then form ponding. This part of the ponding is likely to flow to the outside of the casing 1 under the action of the air flow from the axial flow fan 5. In this technical solution, by setting the aforementioned diversion slopes 412 at each intersection position, the ponding can be guided to the inside of the air outlet grille 4 and prevent it from flowing outside the outer end face of the air outlet grille 4.

[0046] The aforementioned atomizer 2 can specifically be an ultrasonic atomizer, which can specifically adopt commercially available components of appropriate specifications according to the working conditions requirements. This application does not make special limitations on it. For the atomizer 2 with a large water consumption, a corresponding water pump can be configured to pump water supply from the water tank 3. For some working conditions with a small water consumption, for example, when the spray fan is a desktop spray fan (or humidifier), a water absorption cotton swab 31 is provided in the water tank 3, and the atomizer 2 is supplied with water through the water absorption cotton swab 31, which can not only reduce the manufacturing cost but also significantly reduce the overall volume of the spray fan, making the structure more compact.

[0047] Since the atomizer 2 in the present utility model is arranged at the air inlet end (i.e., the negative pressure section) of the axial flow fan 5, this makes the water mist need to pass through the axial flow fan 5, so higher requirements for the waterproof seal of the axial flow fan 5 will be put forward. Based on this, in some embodiments, the axial flow fan 5 includes a fan blade 51 and a motor 52 that drives the fan blade 51 to rotate. A sealing cover 15 is further formed in the machine shell 1. The sealing cover 15 is arranged in the machine shell 1 in a suspended manner through a plurality of support rods 151. The motor 52 is assembled in the sealing cover 15. In this technical solution, a flow-through area is formed between adjacent support rods 151, which also forms a suspended design for the sealing cover 15. The motor 52 is specifically a rotating motor, which is assembled in the sealing cover 15 in a sealed manner, effectively reducing the probability of the motor 52 coming into contact with water.

[0048] Combined with reference to Figure 2 and Figure 3 As shown, in some embodiments, the fan blade 51 includes a hub (not labeled in the figure). The hub has a first water blocking ring 511 extending toward the side of the motor 52. The sealing cover 15 has a second water blocking ring 152 extending toward the side of the fan blade 51. The first water blocking ring 511 and the second water blocking ring 152 are sleeved with a gap. The gap between the first water blocking ring 511 and the second water blocking ring 152 should be as small as possible on the premise of ensuring that the two do not interfere and rub against each other. In this way, the first water blocking ring 511 and the second water blocking ring 152 are sleeved to form an inlaid structure that can rotate relative to each other, which not only does not affect the rotation of the fan blade 51 but also prevents the water droplets splashing in the mist outlet cavity from entering the motor 52, playing a role in waterproofing.

[0049] Those skilled in the art can easily understand that on the premise of no conflict, the advantageous technical features of the above various methods can be freely combined and superimposed.

[0050] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model. The above is only the preferred implementation manner of the present utility model. It should be noted that for those of ordinary skill in the art in this technical field, without departing from the technical principle of the present utility model, several improvements and variations can still be made, and these improvements and variations should also be regarded as within the protection scope of the present utility model.

Claims

1. A spray fan, characterized in that: The invention comprises a casing (1), wherein the casing (1) has two side facades arranged at a relative interval, wherein an air inlet (11) is formed on one of the side facades, and an air outlet (12) is formed on the other side facade, an axial flow fan (5) is assembled in the casing (1), the air inlet end of the axial flow fan (5) faces the air inlet (11), and the air outlet end faces the air outlet (12), and an atomizer (2) is also arranged in the casing (1), and the atomizer head of the atomizer (2) is located in the area between the air inlet end of the axial flow fan (5) and the air inlet (11).

2. The spray fan according to claim 1, characterized in that: The bottom of the casing (1) is provided with a water tank (3), and a water collecting wind tube (13) is also provided in the casing (1). The water collecting wind tube (13) has a water collecting tube wall which is arranged circumferentially around the axial flow fan (5) and is at least located in the bottom area of ​​the axial flow fan (5). The water collecting tube wall has a drainage structure, and the drainage structure can drain the water collected by the water collecting wind tube (13) into the water tank (3).

3. The spray fan according to claim 2, characterized in that: The drainage structure comprises a water collecting groove (131) located at the lowest position of the water collecting cylinder wall; or, the drainage structure comprises a first drainage plate (132) arranged at the lowest position of the water collecting cylinder wall and extending from the air outlet (12) toward the air inlet (11) and with a decreasing height; or, the drainage structure comprises a water drop notch (133) provided at the lowest position of the water collecting cylinder wall, and both sides of the water drop notch (133) are provided with second drainage plates (134) extending from top to bottom; and / or, The rotating axis of the water collecting wind tube (13) and / or the axial flow fan (5) is gradually inclined from top to bottom from the air outlet (12) to the air inlet (11).

4. The spray fan according to claim 3, characterized in that: A partition (14) is also provided in the casing (1), and the partition (14) is arranged to block the top opening of the water tank (3). The atomizer (2) is assembled on the partition (14), and / or a water outlet is formed on the partition (14). The water collected by the water collecting wind tube (13) is first drained to the partition (14) through the drainage structure and then flows back into the water tank (3) through the water outlet.

5. The mist fan according to any one of claims 1 to 4, characterized in that: An air outlet grille (4) is assembled in the air outlet (12), and the air outlet grille (4) has a plurality of grille bars (41) extending radially outwards, and the cross-sectional width of each grille bar (41) gradually increases from the inside of the grille to the outside of the grille.

6. The mist fan according to claim 5, characterized in that: The air outlet grille (4) comprises a central plate (42) and an outer ring (43) located outside the central plate (42); each of the grille bars (41) is located between the central plate (42) and the outer ring (43); a guide groove (411) is formed on the outer end surface of the connection position between each of the grille bars (41) and the outer ring (43); the guide groove (411) is capable of guiding water on the outer end surface of the grille bar (41) toward the inner side of the air outlet grille (4).

7. The mist fan according to claim 6, characterized in that: The grille bar (41) has at least two branch bars, and a guide slope (412) is formed at the intersection and convergence position of each of the branch bars, and the guide slope (412) is closer and closer to the center plate (42) along the direction from the outside to the inside of the air outlet grille (4); and / or a guide slope (412) is formed at the edge position of the inner end surface of the center plate (42), and the guide slope (412) is closer and closer to the center plate (42) along the direction from the outside to the inside of the air outlet grille (4).

8. The mist fan according to claim 2, characterized in that: A water-absorbing cotton swab (31) is arranged in the water tank (3), and the atomizer (2) is supplied with water via the water-absorbing cotton swab (31).

9. The mist fan according to claim 1, characterized in that: The axial flow fan (5) comprises a fan blade (51) and a motor (52) for driving the fan blade (51) to rotate. A sealing cover (15) is also formed in the casing (1). The sealing cover (15) is suspended in the casing (1) via a plurality of support rods (151). The motor (52) is assembled in the sealing cover (15).

10. The mist fan according to claim 9, characterized in that: The fan blade (51) comprises a wheel hub, the wheel hub having a first water retaining ring (511) extending toward one side of the motor (52), the sealing housing (15) having a second water retaining ring (152) extending toward one side of the fan blade (51), the first water retaining ring (511) and the second water retaining ring (152) being spaced apart from each other.

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