Cooling fan device and round-air-opening cooling fan thereof

Abstract

The cooling fan device comprises a square top cover, a square water pan, a lower-layer front air outlet shell, an upper-layer front air outlet shell, a lower-layer left side plate, an upper-layer left side plate, a lower-layer rear air inlet grille, an upper-layer rear air inlet grille, a lower-layer right side plate and an upper-layer right side plate. The lower-layer front air outlet shell and the upper-layer front air outlet shell are the same in structure and are spliced and fixedly connected in a vertically stacked mode. The lower-layer left side plate and the upper-layer left side plate have the same structure and are spliced and fixedly connected in a vertically stacked manner; the lower-layer rear air-inlet grille and the upper-layer rear air-inlet grille are the same in structure and are spliced and fixedly connected in a vertically stacked mode. The lower-layer right side plate and the upper-layer right side plate have the same structure and are spliced and fixedly connected in a vertically stacked manner; during mold opening injection molding, parts with the same upper layer and lower layer can be produced only by producing one set of mold and are not disordered, so that the production cost is reduced; the cooling fan with a single air outlet or a double-layer air outlet can be produced according to production requirements.

Description

Technical Field

[0001] This utility model relates to fan components, and more particularly to a cooling fan device and a cooling fan with a circular air outlet. Background Technology

[0002] Air coolers have front, rear, left, and right main body shells. Each main body shell can only be used to produce one product. The front, rear, left, and right main body shells for single-layer and double-layer air outlets are not interchangeable and must be produced separately. If both single-layer and double-layer air outlet air coolers are produced, separate molds, injection molding, and component storage are required. This increases storage space, classification areas, transportation costs, personnel, and overall investment costs, resulting in high production costs and complicated production and management processes. Utility Model Content

[0003] To solve the above-mentioned technical problems, this utility model provides a cooling fan device and its round air outlet cooling fan with a reasonable structural design, which is convenient for setting a single-layer air outlet or a double-layer air outlet, and is easy to assemble and saves costs.

[0004] The solution to the above technical problem is as follows:

[0005] A cooling fan device with a circular air outlet, a square top cover, and a square water collection tray, characterized in that: it further includes a lower front air outlet shell, an upper front air outlet shell, a lower left side plate, an upper left side plate, a lower rear air inlet grille, an upper rear air inlet grille, a lower right side plate, and an upper right side plate; the lower and upper front air outlet shells respectively have corresponding circular air outlets on their front sides; the lower and upper front air outlet shells have identical structures and are vertically stacked and fixedly connected; the lower and upper left side plates have identical structures and are vertically stacked and fixedly connected; the lower and upper rear air inlet grilles have identical structures and are vertically stacked and fixedly connected; the lower and upper right side plates have identical structures and are vertically stacked and fixedly connected; The adjacent edges of the front air outlet shell, the lower left side plate, the lower rear air inlet grille, and the lower right side plate are fixedly connected; the adjacent edges of the upper front air outlet shell, the upper left side plate, the upper rear air inlet grille, and the upper right side plate are fixedly connected; the top of the upper front air outlet shell, the upper left side plate, the upper rear air inlet grille, and the upper right side plate are all fixedly connected to the bottom edge of the square top cover; the bottom of the lower front air outlet shell, the lower left side plate, the lower rear air inlet grille, and the lower right side plate are detachably connected to the top edge of the square water receiving tray; the outer contours of the square top cover, the square water receiving tray, the lower front air outlet shell, the upper front air outlet shell, the lower left side plate, the upper left side plate, the lower rear air inlet grille, the upper rear air inlet grille, the lower right side plate, and the upper right side plate are all square, and their adjacent connections form a ventilation cavity inside.

[0006] The beneficial effects of this utility model of a cooling fan device and its round air outlet cooling fan are as follows: 1. Since the lower and upper front air outlet shells, the lower and upper left side plates, the lower and upper rear air inlet grilles, and the lower and upper right side plates are all structurally identical, only one mold needs to be produced for the identical components during injection molding. Only one front air outlet shell needs to be produced. During assembly, only one type of front air outlet shell is used, preventing confusion and reducing production costs. 2. The overlapping and splicing of identical components between the upper and lower layers facilitates installation and improves production efficiency. 3. This product can be produced according to production needs, with a single-layer (single-layer) single air outlet cooling fan or a double-layer air outlet cooling fan, without the need to add additional production components, reducing production costs and improving production efficiency. Attached Figure Description

[0007] Figure 1 , Figure 2 This is a three-dimensional view of the cooler fan with a double-layer circular air outlet and an organic frame that is raised, which is the product of this utility model.

[0008] Figure 3 , Figure 4This is a schematic diagram showing the double-layer circular air outlet of the product, with the frame and the cooling fan body separated.

[0009] Figure 5 This is a schematic diagram showing the double-layer circular air outlet of the present invention, with the upper circular air outlet cover and the lower circular air outlet cover disassembled.

[0010] Figure 6 This is a schematic diagram showing the double-layer circular air outlet of the present invention, consisting of an upper circular air outlet cover, a lower circular air outlet cover, a lower front air outlet shell, and an upper front air outlet shell.

[0011] Figure 7 , Figure 8 , Figure 9 This is an exploded view of the cooling fan with a double-layer circular air outlet of this utility model product;

[0012] Figure 10 , Figure 11 This is a three-dimensional view of the single-layer circular air outlet and the air cooler with an organic frame raised according to this utility model.

[0013] Figure 12 This is a schematic diagram showing the single-layer circular air outlet of the product of this utility model, with the frame and the body of the cooling fan separated.

[0014] Figure 13 This is a schematic diagram showing the single-layer circular air outlet of the present invention, with the upper circular air outlet cover and the lower circular air outlet cover disassembled.

[0015] Figure 14 This is a schematic diagram showing the single-layer circular air outlet of the present invention, consisting of an upper circular air outlet cover, a lower circular air outlet cover, a lower front air outlet shell, and an upper front air outlet shell.

[0016] Figure 15 , Figure 16 , Figure 17 This is an exploded view of the single-layer circular air outlet cooling fan of this utility model.

[0017] 1. Square water tray; 1A. Upper front positioning step of the water tray; 1B. Upper left positioning step of the water tray; 1C. Upper rear positioning step of the water tray; 1D. Upper right positioning step of the water tray; 1E. Drain hole; 2. Lower front air outlet shell; 2. Lower round air outlet; 201. Lower rear air outlet plate; 202. Lower square fan interface; 203. Lower inner ring step; 204. Lower round air outlet hood; 205. Lower snap hole; 206. Lower snap hook; 207. Lower air guide vertical plate; 208. Lower air inlet; 209. Upper front air outlet shell; 3. Upper round air outlet; 301. Upper rear air outlet plate; 302. Upper square fan interface; 303. Upper inner ring step; 304. Upper round air outlet hood; 305. Upper snap hole; 306. Upper snap hook; 307. Upper air guide vertical plate; 308. Upper air inlet; 309. Air outlet. A. Lower positioning step of the shell, B. Upper positioning step of the air outlet shell, 4. Lower left side plate, 5. Upper left side plate, C. Lower positioning step of the left side plate, D. Upper positioning step of the left side plate, E. Front buckle hole of the left side plate, F. Left L-shaped buckle of the air outlet shell, 6. Lower rear air inlet grille, 7. Upper rear air inlet grille, G. Lower positioning step of the grille, H. Upper positioning step of the grille, J. Left rear vertical slot, 8. Lower right side plate, 9. Upper right side plate, K. Lower positioning step of the right side plate, L. Upper positioning step of the right side plate, M. Right rear vertical slot, N. Front buckle hole of the right side plate, 10. Square top cover, 11. Ventilation cavity, 12. Water tank, 121. Internal step of the box, 13. Frame, 14. Exhaust fan, 15. Air inlet group, 16. Water pump, 17. Water diversion cavity, 171. Water inlet hole, 172. Water pipe, 18. Function controller, 19. Ventilation wet curtain, 20. Detailed Implementation

[0018] like Figures 1 to 17 As shown: A cooling fan device includes a square top cover 10 and a square water receiving tray 1; the square water receiving tray 1 is integrally injection molded and has a water flow hole in the middle; the cooling fan device also includes a lower front air outlet shell 2, an upper front air outlet shell 3, a lower left side plate 4, an upper left side plate 5, a lower rear air inlet grille 6, an upper rear air inlet grille 7, a lower right side plate 8, and an upper right side plate 9; the lower front air outlet shell 2, the upper front air outlet shell 3, the lower left side plate 4, the upper left side plate 5, the lower rear air inlet grille 6, the upper rear air inlet grille 7, the lower right side plate 8, and the upper right side plate 9 are each integrally injection molded using an injection molding machine;

[0019] The front of the lower front air outlet shell 2 and the upper front air outlet shell 3 are respectively provided with a lower round air outlet 201 and an upper round air outlet 301.

[0020] The lower front air outlet shell 2 and the upper front air outlet shell 3 have the same structure, and are vertically stacked and fixedly connected. One or two lower front air outlet shells 2 and 3 can be used depending on actual production needs. If producing a single-outlet air cooler, one lower front air outlet shell 2 is sufficient; if producing a double-outlet air cooler, two shells (lower front air outlet shell 2 and upper front air outlet shell 3) are used. The bottom cross-section of both the lower and upper front air outlet shells 2 and 3 has the same lower positioning step A; the top cross-section of both has the same upper positioning step B. The lower positioning step A on the bottom cross-section of the upper front air outlet shell 3 and the upper positioning step B on the top cross-section of the lower front air outlet shell 2 are fitted and fixedly connected. They can also be reinforced with male-female plug-in connections or fixed with screw assemblies.

[0021] The lower left side panel 4 and the upper left side panel 5 have the same structure, and are vertically stacked and fixedly connected. The number of lower left side panels 4 and upper left side panels 5 can be determined based on actual production needs; if producing a single-layer single-outlet air cooler, only one lower left side panel 4 is needed; if producing a double-layer air cooler, two panels (lower left side panel 4 and upper left side panel 5) are used. The bottom cross-section of both the lower left side panel 4 and the upper left side panel 5 has the same lower positioning step C; the top cross-section of both the lower left side panel 4 and the upper left side panel 5 has the same upper positioning step D. The lower positioning step C on the bottom cross-section of the upper left side panel 5 and the upper positioning step D on the top cross-section of the lower left side panel 4 are fitted and fixedly connected. They can also be reinforced with male-female plug-in connections or fixed with screw assemblies.

[0022] The lower left side panel 4 and the upper left side panel 5 both have identical left side panel front buckle holes E on their inner walls along their left front edges. The lower front air outlet shell 2 and the upper front air outlet shell 3 both have identical air outlet shell left L-shaped buckles F extending integrally from their inner walls along their left front edges. The corresponding left L-shaped buckles F are inserted into the corresponding left side panel front buckles E to hook and secure them. They can also be further secured with screw assemblies. That is, the left L-shaped buckles F of the lower front air outlet shell 2 are inserted into the left side panel front buckles E of the lower left side panel 4 to hook and secure them. They can also be secured with screw assemblies. The left L-shaped buckles F of the upper front air outlet shell 3 are inserted into the left side panel front buckles E of the upper left side panel 5 to hook and secure them. They can also be secured with screw assemblies.

[0023] The lower rear air intake grille 6 and the upper rear air intake grille 7 have the same structure, and are vertically stacked and fixedly connected. The number of lower and upper rear air intake grilles 6 and 7 can be determined based on actual production needs; if producing a single-layer, single-outlet air cooler, one lower rear air intake grille 6 is sufficient; if producing a double-outlet air cooler, two lower and upper rear air intake grilles 6 are used. The bottom section of both the lower and upper rear air intake grilles 6 and 7 has the same lower positioning step G; the top section of both the lower and upper rear air intake grilles 6 and 7 has the same upper positioning step H. The lower positioning step G of the lower section of the upper rear air intake grille 7 is fitted and fixedly connected to the upper positioning step H of the upper section of the lower rear air intake grille 6. They can also be further fixed together with screw assemblies.

[0024] The lower left side plate 4 and the upper left side plate 5 are both provided with left rear vertical slots J of the same structure.

[0025] The lower right side panel 8 and the upper right side panel 9 have the same structure, and are vertically stacked and fixedly connected. The number of lower right side panels 8 and upper right side panels 9 can be determined based on actual production needs; if producing a single-layer single-outlet air cooler, only one lower right side panel 8 is needed; if producing a double-layer air cooler, two panels (lower right side panel 8 and upper right side panel 9) are used. The bottom cross-section of both the lower right side panel 8 and the upper right side panel 9 has the same lower right side panel positioning step K; the top cross-section of both the lower right side panel 8 and the upper right side panel 9 has the same upper right side panel positioning step L. The lower right side panel positioning step K on the bottom cross-section of the upper right side panel 9 and the upper right side panel positioning step L on the top cross-section of the lower right side panel 8 are fitted and fixedly connected. They can also be reinforced with male-female plug-in connections or fixed with screw assemblies.

[0026] The lower right side panel 8 and the upper right side panel 9 are both provided with right rear vertical slots M of the same structure along their right rear edges; the left and right sides of the lower rear air intake grille 6 can be detachably inserted into the left rear vertical slots J and right rear vertical slots M of the corresponding lower left side panel 4 and lower right side panel 8, and can be installed and removed by inserting / pulling up and down; the left and right sides of the upper rear air intake grille 7 can be detachably inserted into the left rear vertical slots J and right rear vertical slots M of the corresponding upper left side panel 5 and upper right side panel 9, and can be installed and removed by inserting / pulling up and down.

[0027] The lower right side panel 8 and the upper right side panel 9 both have the same structure of right side panel front buckle hole N on their inner walls along the right front edge; the lower front air outlet shell 2 and the upper front air outlet shell 3 both have the same structure of air outlet shell right L-shaped buckle extending integrally from their inner walls along the right front edge. The corresponding air outlet shell right L-shaped buckle is inserted into the corresponding position of the right side panel front buckle hole N to hook and fix them; that is: the air outlet shell right L-shaped buckle of the lower front air outlet shell 2 is inserted into the right side panel front buckle hole N of the lower right side panel 8 to hook and fix them, and screw assemblies can also be added between them for fixation; the air outlet shell right L-shaped buckle of the upper front air outlet shell 3 is inserted into the right side panel front buckle hole N of the upper right side panel 9 to hook and fix them, and screw assemblies can also be added between them for fixation.

[0028] The lower front air outlet shell 2, the lower left side plate 4, the lower rear air inlet grille 6, and the lower right side plate 8 are fixedly connected along their adjacent edges, as described above in the specific connection structure.

[0029] The upper front air outlet shell 3, the upper left side plate 5, the upper rear air inlet grille 7, and the upper right side plate 9 are fixedly connected along their adjacent edges, as described above in the specific connection structure.

[0030] The top of the upper front air outlet shell 3, the upper left side plate 5, and the upper right side plate 9 are all fixedly connected to the bottom edge of the square top cover 10; the front, left, and right bottom edges of the square top cover 10 are fitted onto the corresponding air outlet shell positioning step B, the left side plate positioning step D, and the right side plate positioning step L; the inner bottom of the square top cover 10 is fixedly connected to the inner top of the upper front air outlet shell 3, the upper left side plate 5, and the upper right side plate 9 respectively by screws.

[0031] If a single-outlet air cooler is to be produced, the front, left, and right bottom edges of the square top cover 10 are fitted onto the corresponding air outlet shells of the lower front air outlet shell 2, the lower left side plate 4, and the lower right side plate 8, with positioning steps B, positioning steps D on the left side plate, and positioning steps L on the right side plate; the inner bottom of the square top cover 10 is fixedly connected to the inner top of the lower front air outlet shell 2, the lower left side plate 4, and the lower right side plate 8 by screws.

[0032] The bottom of the lower front air outlet shell 2, the lower left side plate 4, the lower rear air inlet grille 6, and the lower right side plate 8 are detachably connected to the top edge of the square water receiving tray 1. The top edge of the square water receiving tray 1 has four positioning steps: front upper positioning step 1A, left upper positioning step 1B, rear upper positioning step 1C, and right upper positioning step 1D. The front upper positioning step 1A, left upper positioning step 1B, rear upper positioning step 1C, and right upper positioning step 1D correspond to the directional positions of the positioning step B on the air outlet shell, the positioning step D on the left side plate, the positioning step H on the grille, and the positioning step L on the right side plate, respectively, and are just right for tight fitting and docking. The lower positioning step A of the lower front air outlet shell 2, the lower positioning step C of the left side plate of the lower left side plate 4, the lower positioning step G of the lower rear air intake grille 6, and the lower positioning step K of the right side plate of the lower right side plate 8 are respectively fitted and fixedly connected to the upper positioning step B of the air outlet shell, the positioning step D of the left side plate, the positioning step H of the grille, and the positioning step L of the right side plate at the corresponding positions. They can also be reinforced by adding male and female plug-in connections or by adding screw assemblies for fixed connection.

[0033] The outer contours of the square top cover 10, square water tray 1, lower front air outlet shell 2, upper front air outlet shell 3, lower left side plate 4, upper left side plate 5, lower rear air inlet grille 6, upper rear air inlet grille 7, lower right side plate 8, and upper right side plate 9 are all square. When they are connected adjacently, a ventilation cavity 11 is formed inside. The ventilation cavity 11 is used to install the exhaust fan 14.

[0034] Since the lower front air outlet shell 2 and the upper front air outlet shell 3 of this product have the same structure, only one set of molds needs to be produced during the injection molding process, and only one front air outlet shell needs to be produced. During assembly, there is only one type of front air outlet shell, so there will be no confusion, thus reducing production costs.

[0035] Since the lower left side panel 4 and the upper left side panel 5 of this product have the same structure, only one set of molds needs to be produced during the injection molding process. Only one front air vent shell needs to be produced. During assembly, there is only one type of left side panel, so there will be no confusion, thus reducing production costs.

[0036] Since the lower rear air intake grille 6 and the upper rear air intake grille 7 of this product have the same structure, only one set of molds needs to be produced during the injection molding process. Only one front air outlet shell needs to be produced. During assembly, there is only one type of rear air intake grille, so there will be no confusion, thus reducing production costs.

[0037] Since the lower right side panel 8 and the upper right side panel 9 of this product have the same structure, only one set of molds needs to be produced during the injection molding process. Only one front air vent shell needs to be produced. During assembly, there is only one type of right side panel, so there will be no confusion, thus reducing production costs.

[0038] When producing a single-outlet air cooler, this product uses a lower front air outlet shell 2, a lower left side plate 4, a lower rear air inlet grille 6, and a lower right side plate 8, which are fixedly connected to each other to form a square frame. The bottoms of the lower front air outlet shell 2, lower left side plate 4, lower rear air inlet grille 6, and lower right side plate 8 are connected to the top edge of the square water receiving tray 1 in four directions. The tops of the lower front air outlet shell 2, lower left side plate 4, and lower right side plate 8 are fixedly connected to the bottom edge of the square top cover 10. The lower rear air inlet grille 6 is inserted into the corresponding left rear vertical slot J and right rear vertical slot M.

[0039] When manufacturing a double-layer, double-outlet air cooler, the lower front air outlet shell 2 and the upper front air outlet shell 3 are vertically stacked and fixed together. The lower left side panel 4 and the upper left side panel 5 are also vertically stacked and fixed together. The lower rear air intake grille 6 and the upper rear air intake grille 7 are vertically stacked and fixed together. The lower right side panel 8 and the upper right side panel 9 are vertically stacked and fixed together. These components are then connected adjacent to each other to form a square frame. The lower front air outlet shell 2, the lower left side panel 4, and the lower... The bottom of the rear air intake grille 6 and the lower right side plate 8 are connected to the top edge of the square water receiving tray 1 in four directions; the top of the upper front air outlet shell 3, the upper left side plate 5, and the upper right side plate 9 are fixedly connected to the bottom edge of the square top cover 10; the left and right sides of the lower rear air intake grille 6 are inserted into the left rear vertical slot J of the corresponding lower left side plate 4 and the right rear vertical slot M of the corresponding lower right side plate 8; the left and right sides of the upper rear air intake grille 7 are inserted into the left rear vertical slot J of the corresponding upper left side plate 5 and the right rear vertical slot M of the corresponding upper right side plate 9.

[0040] Preferably: a lower circular air outlet 201 is provided in the middle of the front of the lower front air outlet shell 2; a lower rear air outlet plate 202 extends integrally from the back of the lower front air outlet shell 2, the lower rear air outlet plate 202 blocks the rear of the lower circular air outlet 201, the lower circular air outlet 201 is recessed relative to the lower rear air outlet plate 202, the recessed design is for air diffusion, a lower square fan interface 203 is provided in the middle of the lower rear air outlet plate 202, because the air outlet of the fan shell of the air cooler 14 is square, the air outlet of the fan shell of the air cooler 14 is connected to the lower square fan interface 203 and fixed with screws, the two are just right to connect; the lower rear air outlet plate 202 is used to prevent the air drawn out from the air cooler 14 from flowing back into the ventilation cavity 11.

[0041] Preferably: the upper front air outlet shell 3 has an upper circular air outlet 301 in the middle of its front side; the upper front air outlet shell 3 has an integrated upper rear air outlet plate 302 extending from its back side, which blocks the rear of the upper circular air outlet 301. The upper circular air outlet 301 is recessed relative to the upper rear air outlet plate 302. The recessed design is for air diffusion. The upper rear air outlet plate 302 has an upper square fan interface 303303 in the middle. Because the air outlet of the fan shell of the air cooler 14 is square, the air outlet of the fan shell of the air cooler 14 is connected to the upper square fan interface 303303 and fixed with screws. The two fit together perfectly. The upper rear air outlet plate 302 is used to prevent the air drawn out from the air cooler 14 from flowing back into the ventilation cavity 11.

[0042] Preferably, the inner ring wall of the lower circular air outlet 201 is provided with a lower inner ring step 204, and a lower circular air outlet cover 205 is detachably installed on the lower inner ring step 204. The lower circular air outlet cover 205 is integrally injection molded and is composed of several guide vanes and fixing ring pieces. The guide vanes can be twisted and tilted to one side to guide the air.

[0043] Several dispersed lower-level snap-fit ​​holes 206 are provided on the lower inner ring step 204. The inner wall of the lower circular air outlet hood 205 extends with a corresponding number and position of lower-level snap-fit ​​hooks 207. The lower-level snap-fit ​​hooks 207 are inserted into the lower-level snap-fit ​​holes 206 for fixed connection. Screws can also be added to fix the connection between them.

[0044] Preferably, the lower circular air outlet 201 has several downward wind guide vertical blades 208 vertically connected inside, generally 3 to 5 blades. The upper and lower walls of the lower circular air outlet 201 are provided with vertically corresponding upper and lower shaft holes. The upper and lower two downward wind guide vertical blades 208 are inserted into the corresponding upper and lower shaft holes and connected and fixed to adjust the wind direction.

[0045] Preferably, the lower circular air outlet 201 has lower air inlets 209 at the four corners of its outer periphery. The lower air inlets 209 are connected to the internal ventilation cavity 11 and are used to return air at the four corners, reduce the blowing phenomenon in the internal ventilation cavity 11, and reduce the "rumbling" or "buzzing" noise inside; it can also reduce the noise or sound of the exhaust fan 14 blowing and sucking air.

[0046] Preferably, the inner ring wall of the upper circular air outlet 301 is provided with an upper inner ring step 304, and an upper circular air outlet cover 305 is detachably installed on the upper inner ring step 304. The upper circular air outlet cover 305 is integrally injection molded and is composed of several guide vanes and fixing ring pieces. The guide vanes can be twisted and tilted to one side to guide the air.

[0047] Several dispersed upper-level snap-fit ​​holes 306 are provided on the upper inner ring step 304, and the inner wall of the lower circular air outlet hood 205 extends with a corresponding number and position of upper-level snap-fit ​​hooks 307. The upper-level snap-fit ​​hooks 307 are inserted into the upper-level snap-fit ​​holes 306 for fixed connection, and screws can also be added to fix the connection between them.

[0048] Preferably, the upper circular air outlet 301 has several upward wind guide vertical blades 308 connected vertically, generally 3 to 5 blades. The lower circular air outlet 201 has vertically corresponding upper and lower shaft holes on its upper and lower walls. The upper and lower wind guide vertical blades 208 are inserted into the corresponding upper and lower shaft holes and connected and fixed to adjust the wind direction.

[0049] The upper circular air outlet cover 305 and the lower circular air outlet cover 205 have the same shape and structure.

[0050] Preferably, the upper circular air outlet 301 has upper air inlets 309 at the four corners of its outer periphery. The upper air inlets 309 are connected to the internal ventilation cavity 11 and are used to return air at the four corners, reduce the blowing phenomenon in the internal ventilation cavity 11, and reduce the "rumbling" or "buzzing" noise inside; it can also reduce the noise or sound of the exhaust fan 14 blowing and sucking air.

[0051] Preferably, the cooling fan device is a vertical rectangular column; the overall design is simple and elegant.

[0052] A circular air vent fan includes the aforementioned air vent device, which includes a square top cover 10 and a square water collection tray 1. The air vent device also includes a lower front air outlet shell 2, an upper front air outlet shell 3, a lower left side plate 4, an upper left side plate 5, a lower rear air inlet grille 6, an upper rear air inlet grille 7, a lower right side plate 8, and an upper right side plate 9. The lower front air outlet shell 2 and the upper front air outlet shell 3 have corresponding circular air outlets 201 and 301 on their front sides, respectively. The lower front air outlet shell 2 and the upper front air outlet shell 3 have identical structures and are vertically stacked and fixedly connected. The lower left side plate 4 and the upper left side plate 5 have identical structures and are vertically stacked and fixedly connected. The lower rear air inlet grille 6, the upper... The rear air intake grille 7 has the same structure, and the upper and lower layers are vertically stacked and fixedly connected; the lower right side plate 8 and the upper right side plate 9 have the same structure, and the upper and lower layers are vertically stacked and fixedly connected; the lower front air outlet shell 2, the lower left side plate 4, the lower rear air intake grille 6, and the lower right side plate 8 are fixedly connected at their adjacent edges; the upper front air outlet shell 3, the upper left side plate 5, the upper rear air intake grille 7, and the upper right side plate 9 are fixedly connected at their adjacent edges; the top of the upper front air outlet shell 3, the upper left side plate 5, and the upper right side plate 9 are all fixedly connected to the bottom edge of the square top cover 10; the bottom of the lower front air outlet shell 2, the lower left side plate 4, the lower rear air intake grille 6, and the lower right side plate 8 are all detachably connected to the top edge of the square water receiving tray 1. The outer contours of the square top cover 10, square water tray 1, lower front air outlet shell 2, upper front air outlet shell 3, lower left side plate 4, upper left side plate 5, lower rear air inlet grille 6, upper rear air inlet grille 7, lower right side plate 8, and upper right side plate 9 are all square. When they are connected adjacently, they form a ventilation cavity 11 inside. The lower front air outlet shell 2 has a lower circular air outlet 201 in the middle of its front side. The lower rear air outlet plate 202 extends from the back of the lower front air outlet shell 2, and the lower rear air outlet plate 202 blocks the rear of the lower circular air outlet 201. The lower circular air outlet 201 is recessed relative to the lower rear air outlet plate 202. The lower rear air outlet plate 202 has a lower square fan interface 203 in the middle. The upper front air outlet shell 3 has an upper circular air outlet 301 in the center of its front side. An upper rear air outlet plate 302 extends from the back of the upper front air outlet shell 3, obscuring the rear of the upper circular air outlet 301. The upper circular air outlet 301 is recessed relative to the upper rear air outlet plate 302. An upper square fan interface 303303 is located in the center of the upper rear air outlet plate 302. The inner ring wall of the lower circular air outlet 201 has a lower inner ring step 204, on which a lower circular air outlet hood 205 is detachably installed. Several downward airflow guide vanes 208 are vertically connected inside the lower circular air outlet 201. Lower air inlets 209 are located at the four corners of the outer periphery of the lower circular air outlet 201, and these inlets connect to the internal ventilation cavity 11.The inner ring wall of the upper circular air outlet 301 is provided with an upper inner ring step 304, and an upper circular air outlet cover 305 is detachably installed on the upper inner ring step 304. Several upward air guide vertical blades 308 are vertically fixed and connected inside the upper circular air outlet 301. Upper air inlets 309 are provided at the four corners of the outer periphery of the upper circular air outlet 301, and the upper air inlets 309 are connected to the internal ventilation cavity 11.

[0053] The bottom of the square water receiving tray 1 is connected to a detachable water tank 12. The inner top wall of the water tank 12 has an inner step 121. The square water receiving tray 1 is embedded in the inner step 121 for positioning and fixation. A height-adjustable frame 13 is detachably connected to the bottom of the water tank 12. The frame 13 is used to stack with the bottom of the water tank 12 as needed to raise the height of the cooling fan; if no height is needed, the frame 13 is not required. An exhaust fan 14 is installed on the inner wall of the ventilation cavity 11 using screw assemblies. Air enters from the rear air intake grille and exits from the front round air outlet.

[0054] Air inlet groups 15 are provided on the lower left side panel 4, the upper left side panel 5, the lower right side panel 8, and the upper right side panel 9. This can increase the air intake volume and allow more air to be blown out from the round air outlet, which can also blow further.

[0055] The square water receiving tray 1 has a drain hole 1E; a water pump 16 is placed inside the water tank 12; a water diversion cavity 17 is provided on the square top cover 10, and several water diversion drain holes 171 and a water inlet hole 172 are provided at the bottom of the water diversion cavity 17, with a water pipe 18 connecting the water inlet hole 172 and the water pump 16; a function controller 19 is fixedly connected to the front wall of the square top cover 10, and the function controller 19 is connected to the exhaust fan 14 and the water pump 16 via wires; a vertical clamp is installed between the rear inner bottom of the square top cover 10 and the rear top of the square water receiving tray 1. A straight evaporative cooling pad 20 is positioned with its water outlet 171 aligned with the water flow hole. During use, the function controller 19 activates the system, and the exhaust fan 14 draws air in through the grille openings of the rear air intake grille into the ventilation chamber 11, then blows it out through the round air outlet on the front. A water pump 16 draws water into the water flow chamber 17, which then flows down through the water outlet 171 to the evaporative cooling pad 20. The air passes through the evaporative cooling pad 20 and comes into contact with the water, evaporating and cooling it. Excess water flows down the evaporative cooling pad 20, is collected by the square water tray 1, and then flows back to the water tank 12 through the drain hole for recirculation.

Claims

1. A cooling fan device, comprising a square top cover and a square water collection tray, characterized in that: It also includes a lower front air outlet shell, an upper front air outlet shell, a lower left side panel, an upper left side panel, a lower rear air intake grille, an upper rear air intake grille, a lower right side panel, and an upper right side panel; The front of the lower front air outlet shell and the upper front air outlet shell are respectively provided with a lower round air outlet and an upper round air outlet. The lower and upper front air outlet shells have the same structure and are vertically stacked and fixedly connected. The lower left side panel and the upper left side panel have the same structure, and the upper and lower layers are vertically stacked and fixedly connected. The lower and upper rear air intake grilles have the same structure and are vertically stacked and fixedly connected. The lower right side panel and the upper right side panel have the same structure, and the upper and lower layers are vertically stacked and fixedly connected. The lower front air outlet shell, the lower left side plate, the lower rear air inlet grille, and the lower right side plate are fixedly connected at their adjacent edges; The upper front air outlet shell, the upper left side plate, the upper rear air inlet grille, and the upper right side plate are fixedly connected at their adjacent edges; The top of the upper front air outlet shell, the upper left side plate, and the upper right side plate are all fixedly connected to the bottom edge of the square top cover; The bottom of the lower front air outlet shell, the lower left side plate, the lower rear air inlet grille, and the lower right side plate are all detachably connected to the top edge of the square water receiving tray. The outer contours of the square top cover, square water tray, lower front air outlet shell, upper front air outlet shell, lower left side plate, upper left side plate, lower rear air inlet grille, upper rear air inlet grille, lower right side plate, and upper right side plate are all square. When they are connected adjacently, they form a ventilation cavity inside.

2. The air cooler device according to claim 1, characterized in that: The lower front air outlet shell has a lower circular air outlet in the center of the front; the lower rear air outlet plate extends from the back of the lower front air outlet shell, and the lower rear air outlet plate blocks the rear of the lower circular air outlet. The lower circular air outlet is recessed relative to the lower rear air outlet plate, and a lower square fan interface is provided in the center of the lower rear air outlet plate.

3. The air cooler device according to claim 2, characterized in that: The upper front air outlet shell has an upper circular air outlet in the middle of its front side; the upper rear air outlet plate extends from the back of the upper front air outlet shell, and the upper rear air outlet plate blocks the rear of the upper circular air outlet. The upper circular air outlet is recessed relative to the upper rear air outlet plate, and an upper square fan interface is provided in the middle of the upper rear air outlet plate.

4. The air cooler device according to claim 2, characterized in that: The inner ring wall of the lower circular air outlet is provided with a lower inner ring step, and a lower circular air outlet cover is detachably installed on the lower inner ring step.

5. A cooling fan device according to claim 2, characterized in that: The lower circular air outlet has several vertically connected downwind guide vanes.

6. A cooling fan device according to claim 5, characterized in that: The lower circular air outlet has lower air inlets at its four corners, which are connected to the internal ventilation cavity.

7. A cooling fan device according to claim 3, characterized in that: The inner ring wall of the upper circular air outlet is provided with an upper inner ring step, and an upper circular air outlet cover is detachably installed on the upper inner ring step.

8. A cooling fan device according to claim 3, characterized in that: The upper circular air outlet is vertically fixed with several upward wind guide vanes.

9. A cooling fan device according to claim 8, characterized in that: The upper circular air outlet has upper air inlets at its four corners, which are connected to the internal ventilation cavity.

10. A cooling fan device according to claim 1, characterized in that: The cooling fan unit is shaped like a vertical rectangular column.

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