CN211451242U - Evaporation type cooling fan - Google Patents

Abstract

The utility model relates to the technical field of household appliances, in particular to an evaporative cooling fan, comprising: a casing, on which an accommodating cavity is provided with an opening, and the accommodating cavity is suitable for assembling a wet curtain; a water separation structure is arranged in the container The water receiving device is movably arranged on the inner wall of the accommodating cavity. The water receiving device includes a water receiving cavity with an opening facing the water separation structure. It is in a water-receiving state directly below the water-dividing structure; and, when the wet curtain is assembled in the accommodating cavity, it is in a non-water-receiving state obliquely below the water-dividing structure. By arranging an accommodating cavity on the casing, and installing the wet curtain and the water receiving device in the accommodating cavity, when the user does not need the wind of lower temperature, or forgets to install the wet curtain, the water receiving cavity of the water receiving device can be set in the sub-divided part. Just below the water structure, the water outlet of the water separation structure is caught and stored in the water receiving cavity to prevent water from sputtering inside the evaporative cooling fan when the wet curtain is not installed, and avoid the potential safety hazard caused by water sputtering to the electrical components.

Description

Evaporative cooling fan

technical field

The utility model relates to the technical field of household appliances, in particular to an evaporative cooling fan.

Background technique

The working principle of the evaporative cooling fan is that a wet curtain is installed at the air inlet of the evaporative cooling fan, and a water separation structure is arranged above the wet curtain. The curtain can absorb water and increase the contact area between water and air, thereby increasing the evaporation of water on the wet curtain and reducing the temperature of the wind entering from the air inlet, so as to achieve the purpose of delivering relatively low temperature cold air to the surrounding environment.

However, since the wet curtain is an additional functional component, even if the user forgets to install the wet curtain after dismantling for maintenance, or the user does not need cold air with a lower temperature and does not want to install the wet curtain, the fan of the evaporative cooling fan can still be used. work and supply air to the surrounding environment. However, after the wet curtain is removed, the water distribution structure still supplies water to the location where the wet curtain is located, resulting in no water-absorbing parts in the evaporative cooling fan. components, resulting in electrical safety hazards.

Utility model content

Therefore, the technical problem to be solved by the present invention is to overcome the defect of the existing evaporative cooling fans in the prior art that there are potential electrical safety hazards when the wet curtain is not installed, so as to provide a device that can still avoid potential electrical safety hazards when the wet curtain is not installed. Evaporative cooling fan.

An evaporative cooling fan, comprising:

a housing, which is provided with an open accommodating cavity, and the accommodating cavity is suitable for assembling the wet curtain;

a water separation structure, arranged above the accommodating cavity;

A water receiving device is movably arranged on the inner wall of the accommodating cavity, the water receiving device includes a water receiving cavity with an opening facing the water dividing structure, the water receiving cavity has When assembling the wet curtain, it is in a water receiving state directly below the water dividing structure; and when assembling the wet curtain in the accommodating cavity, it is in a non-watering state obliquely below the water dividing structure.

The water receiving device is rotatably connected to the inner wall.

The center of gravity of the water receiving device is located on the side of the water receiving cavity close to the wet curtain;

It also includes at least one limiting structure, which is arranged on the inner wall of the housing and/or the accommodating cavity, and is suitable for adjusting the rotation angle of the side of the water receiving device away from the center of gravity and/or the connecting The rotation angle on the gravity center side of the water device is restricted.

Both ends of the water receiving device are rotatably connected to the inner wall.

Both sides of the inner wall are respectively provided with at least one positioning hole or a rotating shaft, and the water receiving device is provided with a rotating shaft or a positioning hole which is matched and connected with the positioning hole or the rotating shaft.

The rotating shaft is arranged on the side of the water receiving device away from the center of gravity.

The rotating shaft on at least one side is an elastic structure.

The water receiving device is slidably connected to the inner wall.

Also includes:

An elastic piece, one end is arranged on the casing, and the other end is connected to the side of the water receiving device away from the wet curtain, when the elastic piece is in a non-compressed state, the water receiving device is in the water receiving device state.

One of the inner wall and the water receiving device is provided with a slideway, and the other one of the inner wall and the water receiving device is provided with a sliding shaft that moves along the slideway.

The water receiving device is provided with a connecting column connecting the elastic member.

The bottom of the water receiving cavity is provided with a discharge port, which is suitable for discharging the water in the water receiving cavity out of the casing.

Also includes:

A drainage structure, which communicates with the discharge port, is suitable for drainage of water to the outside of the casing.

The drainage structure is a drainage groove provided on the casing.

It also includes: a dust-proof net, fixedly connected to the casing, located at the opening of the accommodating cavity close to the wet curtain.

The technical scheme of the utility model has the following advantages:

1. The evaporative cooling fan provided by the present utility model, by setting an accommodating cavity on the casing, and assembling a wet curtain and a water receiving device in the accommodating cavity, when the user needs a lower temperature wind and the wet curtain works, the wet curtain It is located directly under the water separation structure, and the water receiving device is diagonally below the water separation structure. The water receiving device and the wet curtain will not interfere. The wet curtain cools the air and then supplies it to the user. When you forget to install the wet curtain, the water receiving cavity of the water receiving device can be set directly under the water separation structure, and the water outlet of the water separation structure can be caught and stored in the water receiving cavity to prevent the water from evaporative cooling when the wet curtain is not installed. Sputtering inside the fan avoids potential safety hazards when water splashes onto electrical components, and at the same time, prevents the problem of loud noise caused by water splashing inside the evaporative cooling fan, improving user experience.

2. The evaporative cooling fan provided by the utility model, by setting the center of gravity of the water receiving device on the side of the water receiving cavity close to the wet curtain, since the center of gravity of the water receiving device is offset on the center of gravity side, the center of gravity side will automatically downward. Rotation, by setting the limit structure on the inner wall of the housing and/or the accommodating cavity, the rotation angle of the water device can be limited, so that the water receiving cavity can be located directly under the water separation structure, in a water receiving state, preventing the water connection. The excessive rotation of the water device will affect the water receiving effect. At the same time, since the water receiving device can be in the water receiving state only by its own structure, no additional structure is required, so that the overall structure of the evaporative cooling fan is relatively simple, and additional drives are avoided. Defects that the structure increases energy consumption.

3. In the evaporative cooling fan provided by the present invention, both ends of the water receiving device are rotatably connected to the inner wall, so that the rotation of the water receiving device is more stable and the stability of the movement is improved.

4. The evaporative cooling fan provided by the present utility model can realize that the water receiving device can rotate relative to the accommodating cavity by arranging the positioning holes and the rotating shaft for matching connection on both sides of the inner wall of the accommodating cavity and the water receiving device. , the structure is simpler.

5. In the evaporative cooling fan provided by the present invention, the rotating shaft is arranged on the side of the water receiving device away from the center of gravity, so that the water receiving device is relatively labor-saving when it rotates to the side of the center of gravity.

6. In the evaporative cooling fan provided by the present invention, by setting the rotating shaft on at least one side as an elastic structure, the rotating shaft of the water receiving device can be elastically deformed during installation, which is convenient for assembly.

7. The evaporative cooling fan provided by the present utility model is provided with elastic parts, and the water receiving device is stretched and retracted under the elastic force of the elastic parts to realize the water receiving state and the non-water receiving state, so that the sliding structure of the water receiving device is relatively simple.

8. The evaporative cooling fan provided by the present utility model makes the sliding of the water receiving device more stable by arranging sliding and sliding shafts that cooperate with sliding on the inner wall and the water receiving device.

9. In the evaporative cooling fan provided by the present utility model, by arranging a connecting column on the water receiving device to connect the elastic member, the assembly of the water receiving device and the elastic member is more convenient and the assembly efficiency is improved.

10. The evaporative cooling fan provided by the present utility model can discharge the water in the water receiving chamber out of the casing by arranging a discharge port at the bottom of the water receiving device to prevent the water from overflowing into the casing when the water receiving chamber is full. hidden danger.

11. The evaporative cooling fan provided by the present utility model, by setting the drainage structure, can have a better drainage effect on the water when the water in the water receiving device is transmitted to the outside of the casing, and the transmission effect is improved.

12. In the evaporative cooling fan provided by the present utility model, by setting the drainage structure as a drainage groove on the casing, the structure is simpler and the space occupied is smaller, so that the overall volume of the evaporative cooling fan is smaller.

13. The evaporative cooling fan provided by the utility model can filter the air entering the wet curtain and improve the cleanliness of the air outlet by fixing the dustproof net on the casing and positioning the accommodating cavity near the opening of the wet curtain. Spend.

Description of drawings

In order to more clearly illustrate the specific embodiments of the present invention or the technical solutions in the prior art, the following will briefly introduce the accompanying drawings that need to be used in the description of the specific embodiments or the prior art. Obviously, the following descriptions The accompanying drawings are some embodiments of the present invention. For those of ordinary skill in the art, other drawings can also be obtained based on these drawings without creative efforts.

Fig. 1 is the exploded view of the partial structure of the evaporative cooling fan of the utility model;

Fig. 2 is the partial structural assembly diagram of the evaporative cooling fan of the present invention;

Fig. 3 is the exploded view of the partial structure of the evaporative cooling fan of the present invention;

Fig. 4 is the structural representation of the water receiving device of the present invention;

5 is a schematic structural diagram of a housing of the present invention;

Fig. 6 is the sectional view of the partial structure of the evaporative cooling fan of the utility model assembling the wet curtain;

7 is a cross-sectional view of the partial structure of the evaporative cooling fan of the present invention without a wet curtain;

Description of reference numbers:

1-shell; 2-accommodating cavity; 3-water separation structure; 4-water receiving device; 5-positioning hole; 6-rotating shaft; 7-limiting block; 8-discharge port; 9-drainage groove; 10 - Fan; 11 - Dust filter; 12 - Wet curtain; 13 - Water receiving chamber; 14 - Top cover.

Detailed ways

The technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are a part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below can be combined with each other as long as there is no conflict with each other.

As shown in FIGS. 1-7 , an evaporative cooling fan is provided in this embodiment, including: a casing 1 , a water separation structure 3 and a water receiving device 4 .

The housing 1 is provided with an open accommodating cavity 2, and the accommodating cavity 2 is suitable for assembling the wet curtain 12; The water receiving device 4 is movably arranged on the inner wall of the accommodating cavity 2, the water receiving device 4 includes a water receiving cavity 13 with an opening facing the water dividing structure 3, and the water receiving cavity 13 has a wet curtain that is not assembled in the accommodating cavity 2 At 12:00, it is in a water-receiving state directly below the water-dividing structure 3; and, when the wet curtain 12 is assembled in the accommodating cavity 2, it is in a non-water-receiving state obliquely below the water-dividing structure 3.

By setting the accommodating cavity 2 on the housing 1, the accommodating cavity 2 is equipped with the wet curtain 12 and the water receiving device 4. When the user needs a lower temperature wind, the wet curtain 12 is located in the water separation structure 3 when the wet curtain 12 is working. The water receiving device 4 is located diagonally below the water separation structure 3, and the water receiving device 4 and the wet curtain 12 will not interfere, and the wet curtain 12 cools the air before supplying it to the user. Or when you forget to install the wet curtain 12, the water receiving cavity 13 of the water receiving device 4 can be set directly below the water dividing structure 3, and the water outlet of the water dividing structure 3 can be caught and stored in the water receiving cavity 13 to prevent the unassembled wet When the curtain is 12, the water is sputtered inside the evaporative cooling fan, which avoids the potential safety hazard when the water splashes to the electrical components. experience.

Specifically, the water receiving device 4 in this embodiment is rotatably connected to the inner wall. The center of gravity of the water receiving device 4 in this embodiment is located on the side of the water receiving cavity 13 close to the wet curtain 12 ; as shown in FIG. The top wall is adapted to limit the rotation angle of the side of the water device 4 away from the center of gravity. By setting the center of gravity of the water receiving device 4 on the side of the water receiving chamber 13 close to the wet curtain 12, since the center of gravity of the water receiving device 4 is offset on the center of gravity side, the center of gravity side will automatically rotate downwards. A limit block 7 is provided on the top wall of the water-receiving device 4, which can limit the rotation angle of the water-receiving device 4, so that the water-receiving cavity 13 can be located directly under the water-dividing structure 3, in a water-receiving state, so as to prevent the water-receiving device 4 from rotating excessively and affecting the connection. At the same time, because the water receiving device 4 can be in the water receiving state only by its own structure, and no additional structure is required, the overall structure of the evaporative cooling fan is relatively simple, and the defect of increasing energy consumption by setting an additional driving structure is avoided. . As an alternative embodiment, it is also possible that the structure of the water receiving device 4 is uniformly arranged, the center of gravity is located at the center of the water receiving device 4, and the water receiving device 4 is set in the water receiving state or the non-water receiving state by the action of external force. , for example, the user can manually rotate the water receiving device 4 , or use a motor to directly drive the water receiving device 4 to rotate. As an alternative embodiment, the limiting structure may also be a limiting column, or other forms of structures, and the specific number can be set according to actual needs, which will not be repeated here. As an alternative embodiment, the limiting structure may also be provided on the housing 1 , or the limiting structure may be provided on both the housing 1 and the inner wall of the accommodating cavity 2 . As an alternative embodiment, the limiting structure may also limit the rotation angle of the gravity center side of the water device 4 , or the limiting structure may simultaneously limit the rotation angle of the gravity center side and the non-gravity side of the water device 4 .

Both ends of the water receiving device 4 in this embodiment are rotatably connected to the inner wall. By rotatably connecting both ends of the water receiving device 4 to the inner wall, the rotation of the water receiving device 4 is more stable, and the stability of the movement is improved. As an alternative embodiment, the water receiving device 4 can also be made of a material with greater strength, so that one end of the water receiving device 4 is rotatably connected to the inner wall of one side, and the other end is not connected to the inner wall of the other side. set up.

As shown in FIG. 4 , in order to realize the stable rotation of both ends of the water receiving device 4, a positioning hole 5 is respectively provided on both sides of the inner wall in this embodiment, and the two sides of the water receiving device 4 are respectively provided with the positioning holes 5 to cooperate with each other. In the present embodiment, the material of the rotating shaft 6 is not limited too much. As a preferred embodiment, the rotating shaft 6 itself can adopt an elastic structure, so that the rotating shaft 6 can generate water when the water receiving device 4 is installed. Elastic deformation, convenient assembly, specifically, the rotating shaft 6 itself can be made of rubber material. By arranging cooperating positioning holes 5 and rotating shafts 6 on both sides of the inner wall of the accommodating cavity 2 and the water receiving device 4, the water receiving device 4 can be rotated relative to the accommodating cavity 2, and the structure is relatively simple. As an alternative embodiment, the positioning hole may be provided on the water receiving device 4, and the rotating shaft may be provided on the inner wall. As an alternative embodiment, a plurality of positioning holes 5 and rotating shafts 6 may be provided. As an alternative embodiment, it is also possible that the inner wall and the water receiving device 4 are directly hingedly connected. As an alternative embodiment, the rotating shafts on both sides can also be elastic structures, or the rotating shafts on both sides can be inelastic structures.

In order to save effort when the water receiving device 4 is rotated toward the center of gravity, the rotating shaft 6 in this embodiment is provided on the side of the water receiving device 4 away from the center of gravity. As an alternative embodiment, the rotating shaft 6 may be provided at another position of the water receiving device 4 .

As an alternative embodiment, the water receiving device 4 can also be slidably connected to the inner wall. For example, the evaporative cooling fan further includes an elastic member. One end of the elastic member is arranged on the housing 1, and the other end is connected to the side of the water receiving device 4 away from the wet curtain 12. When the elastic member is in a non-compressed state, the water receiving device 4 is in the water status. By arranging the elastic member, the water receiving device 4 is stretched and retracted under the elastic force of the elastic member to realize the water receiving state and the non-water receiving state, so that the sliding structure of the water receiving device 4 is relatively simple. In order to facilitate the assembly of the elastic member, the water receiving device 4 is also provided with a connecting column for connecting the elastic member. In order to make the sliding of the water receiving device 4 more stable, a slideway can be provided on one of the inner wall and the water receiving device 4, and a sliding shaft that moves along the slideway is arranged on the other one of the inner wall and the water receiving device 4. Of course, It is also possible not to provide slideways and slide shafts.

As shown in FIG. 4 , the bottom of the water receiving cavity 13 in this embodiment is provided with a discharge port 8 , which is suitable for discharging the water in the water receiving cavity 13 out of the casing 1 . By arranging the discharge port 8 at the bottom of the water receiving device 4, the water in the water receiving cavity 13 can be discharged out of the casing 1, preventing the water from overflowing into the casing 1 when the water receiving cavity 13 is full, posing a safety hazard. As an alternative embodiment, the discharge port 8 may not be provided, but the water in the water receiving chamber 13 may be manually discharged out of the casing 1 periodically.

In order to facilitate the drainage of water, the evaporative cooling fan in this embodiment further includes a drainage structure, and the drainage structure communicates with the discharge port 8 and is suitable for drainage of water to the outside of the housing 1 . By arranging the drainage structure, when the water in the water receiving device 4 is transported to the outside of the housing 1, it can have a better drainage effect on the water, and the transport effect is improved. Specifically, as shown in FIG. 5 , the drainage structure in this embodiment is a drainage groove 9 provided on the casing 1 . By arranging the drainage structure as the drainage groove 9 provided on the casing 1, the structure is relatively simple, and the occupied space is smaller, so that the overall volume of the evaporative cooling fan is smaller. As an alternative embodiment, the drainage structure can also be a water conduit, which directly leads from the water receiving device 4 to the outside of the housing 1 .

The evaporative cooling fan in this embodiment further includes a dust filter 11 , which is fixedly connected to the housing 1 and located at the opening of the accommodating cavity 2 near the wet curtain 12 . By fixing and connecting the dustproof net 11 on the housing 1 and located at the opening of the accommodating cavity 2 close to the wet curtain 12, the air entering the wet curtain 12 can be filtered, and the cleanliness of the air outlet can be improved. As an alternative embodiment, the dustproof net 11 may not be provided.

When assembling the evaporative cooling fan, you can first fix the casing 1 on the air duct of the evaporative cooling fan by screws, then fix the top cover 14 on the air duct and the casing 1 respectively, and then assemble the water receiving device 4 to the casing. When the body 1 is installed, first insert the rotating shaft 6 of the non-elastic structure of the water receiving device 4 into the positioning hole 5 on one side of the casing 1. Since the rotating shaft 6 at the other end of the water receiving device 4 is an elastic structure, the connecting The water device 4 is assembled into the positioning hole 5 on the other side of the rear shell, because the center of gravity of the water device 4 is on the outside, when there is no external force, the water device 4 will rotate outward. Block 7 can ensure the rotation angle of the water receiving device 4, so the water receiving device 4 is always in the water receiving state. , the water receiving device 4 is rotated and closed to the non-water receiving state, and finally the dustproof net 11 is assembled to fix the wet curtain 12, thereby completing the assembly.

As shown in FIG. 6 , when the user needs the wind with lower temperature, the water flows down from the water separation structure 3 on the top cover 14, and when it falls to the wet curtain 12, the wet curtain 12 is wetted, and the fan 10 in the air duct works to make the wet curtain 12 wet. The water is evaporated and taken away; as shown in Figure 7, when the user does not need the lower temperature wind and does not install the wet curtain 12, or the user forgets to install the wet curtain 12, the water receiving device 4 rotates outward to the water receiving state, and the water flows from The water-dividing structure 3 on the top cover 14 flows down and directly flows into the water-receiving cavity 13 of the water-receiving device 4, and then the water flows out from the water outlet opened at the bottom of the water-receiving cavity 13. At the same time, the corresponding position on the housing 1 is provided with drainage. The groove 9 will drain the flow downward to prevent water splashing, avoid the phenomenon of splashing water and water flying into the motor, improve the quality of the product, and improve the user experience.

Obviously, the above-mentioned embodiments are only examples for clear description, and are not intended to limit the implementation manner. For those of ordinary skill in the art, changes or modifications in other different forms can also be made on the basis of the above description. There is no need and cannot be exhaustive of all implementations here. And the obvious changes or changes derived from this are still within the protection scope of the present invention.

Claims (15)

1. An evaporative cooling fan, comprising:

the wet curtain packaging machine comprises a shell (1), wherein an open accommodating cavity (2) is formed in the shell, and a wet curtain (12) is suitable to be assembled in the accommodating cavity (2);

the water diversion structure (3) is arranged above the accommodating cavity (2);

the water receiving device (4) is movably arranged on the inner wall of the accommodating cavity (2), the water receiving device (4) comprises a water receiving cavity (13) with an opening facing the water distribution structure (3), and the water receiving cavity (13) is in a water receiving state right below the water distribution structure (3) when the wet curtain (12) is not assembled in the accommodating cavity (2); and when the wet curtain (12) is assembled in the accommodating cavity (2), the water-collecting state is not in a water-collecting state under the inclined lower part of the water-dividing structure (3).

2. Evaporative cooling fan according to claim 1, characterised in that the water receiving means (4) is rotatably connected to the inner wall.

3. Evaporative cooling fan according to claim 2, characterised in that the centre of gravity of the water collecting device (4) is located on the side of the water collecting chamber (13) close to the wet curtain (12);

the water receiving device is characterized by further comprising at least one limiting structure, wherein the limiting structure is arranged on the inner wall of the shell (1) and/or the accommodating cavity (2) and is suitable for limiting the rotating angle of one side, away from the center of gravity, of the water receiving device (4) and/or the rotating angle of the side, close to the center of gravity, of the water receiving device (4).

4. Evaporative cooling fan according to claim 2, characterised in that the water receiving means (4) is pivotally connected at both ends to the inner wall.

5. The evaporative cooling fan according to claim 4, wherein at least one positioning hole (5) or rotation shaft is provided on each side of the inner wall, and the water receiving device (4) is provided with a rotation shaft (6) or positioning hole which is connected with the positioning hole (5) or rotation shaft in a matching manner.

6. Evaporative cooling fan according to claim 5, characterised in that the axis of rotation (6) is arranged on the side of the water collecting device (4) remote from the centre of gravity.

7. Evaporative cooling fan according to claim 5, characterised in that the rotational axis (6) of at least one side is of a flexible construction.

8. Evaporative cooling fan according to claim 1, characterised in that the water collecting device (4) is slidably connected to the inner wall.

9. The evaporative cooling fan according to claim 8, further comprising:

one end of the elastic piece is arranged on the shell (1), the other end of the elastic piece is connected with one side, away from the wet curtain (12), of the water receiving device (4), and when the elastic piece is in a non-compression state, the water receiving device (4) is in a water receiving state.

10. Evaporative cooling fan according to claim 8, characterised in that one of said inner wall and said water receiving means (4) is provided with a slide and the other of said inner wall and said water receiving means (4) is provided with a sliding shaft which moves along said slide.

11. Evaporative cooling fan according to claim 9, characterised in that the water collecting device (4) is provided with a connection post for connecting the elastic member.

12. Evaporative cooling fan according to any of claims 1-11, characterized in that the bottom of the water receiving chamber (13) is provided with a discharge outlet (8) adapted to discharge the water in the water receiving chamber (13) out of the housing (1).

13. The evaporative cooling fan according to claim 12, further comprising:

the drainage structure is communicated with the discharge port (8) and is suitable for draining water out of the shell (1).

14. Evaporative cooling fan according to claim 13, characterised in that the drainage structure is a drainage groove (9) provided on the housing (1).

15. Evaporative cooling fan according to any of claims 1-11, further comprising: and the dustproof net (11) is fixedly connected to the shell (1) and is positioned at the opening of the accommodating cavity (2) close to the wet curtain (12).

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