CN218266504U - Circulating fan - Google Patents
Circulating fan Download PDFInfo
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- CN218266504U CN218266504U CN202220950224.9U CN202220950224U CN218266504U CN 218266504 U CN218266504 U CN 218266504U CN 202220950224 U CN202220950224 U CN 202220950224U CN 218266504 U CN218266504 U CN 218266504U
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Abstract
The embodiment of the utility model provides a circulation fan. The circulation fan includes, for example: a fan body provided with an air outlet; and expand the fan housing, expand the fan housing and include fan housing barrel and guide vane, guide vane is located just connect in the fan housing barrel, the fan housing barrel is including the fan housing entrance and the fan housing outlet section that connect gradually, the fan housing entrance is provided with the entrance opening, the fan housing entrance is connected the fan main part just entrance opening intercommunication the air outlet, fan housing outlet section is provided with outlet opening, outlet opening intercommunication inlet opening just the size of inlet opening is less than outlet opening's size. The air outlet end of the circulating fan is provided with the air diffuser which is communicated with the air outlet and comprises the fan cover cylinder and the guide vanes, wherein the fan cover cylinder is provided with the profile which is expanded along the air outlet direction of the circulating fan, so that the air outlet range of the circulating fan is enlarged.
Description
Technical Field
The utility model relates to a domestic appliance field especially relates to a circulating fan.
Background
The circulating fan, also called air circulating fan, is increasingly popular in the market because it has the functions of activating air and reducing the temperature of the air inside by accelerating the exchange with the outdoor air. The working principle of the circulating fan is that air at the rear part is sucked into the circulating fan, and air flow is blown out through the high-speed operation of the fan, so that the air convection movement in a room is realized, and the uniform temperature distribution is realized.
The existing circulating fan mainly comprises a fan shell, an air inlet cover, an air outlet cover, a fan assembly and other structures. The fan shell is of a cylindrical structure, an air inlet and an air outlet which are communicated are formed in two ends of the fan shell, and the air inlet cover and the air outlet cover are respectively arranged at the air inlet end and the air outlet end. The fan subassembly is connected in fan housing and is located between income wind gap to the air outlet to can inhale the air in income wind gap to fan housing inside, through fan subassembly's high-speed operation, form the amount of wind and concentrate on a bunch of air current and blow out from the air outlet, let indoor realization air convection movement, thereby realize temperature evenly distributed.
Therefore, although the existing circulating fan can intensively discharge air and accelerate air flow, the air quantity blown out by the existing circulating fan is concentrated in one beam, the air quantity of an air outlet is large, the air discharge range is small, the wind sense is uncomfortable, and the requirements of users are difficult to meet.
SUMMERY OF THE UTILITY MODEL
Accordingly, to overcome at least some of the deficiencies and drawbacks of the prior art, embodiments of the present invention provide a circulation fan.
Specifically, the embodiment of the utility model provides a circulation fan, including the fan main part, is provided with the first air outlet; and expand the fan housing, expand the fan housing and include fan housing barrel and guide vane, guide vane is located just connect in the fan housing barrel, the fan housing barrel is including the fan housing entrance and the fan housing outlet section that connect gradually, the fan housing entrance is provided with the entrance opening, the fan housing entrance is connected the fan main part, just entrance opening intercommunication first air outlet, fan housing outlet section is provided with outlet section opening, outlet section opening intercommunication inlet section opening just inlet section open-ended size is less than outlet section open-ended size.
The utility model discloses an embodiment, keeping away from of guide vane the outside of fan main part is formed with stator outlet angle, guide vane the stator outlet angle inequality of arbitrary two places on the outside.
In an embodiment of the present invention, the guide vane outlet angle is greater than or equal to 40 degrees and less than or equal to 90 degrees.
The utility model discloses an embodiment, the fan housing still includes support piece, support piece is located in the fan housing barrel, just guide vane connects the fan housing barrel with between the support piece, guide vane the outside guide vane outlet angle is followed support piece to the direction of fan housing barrel reduces gradually.
In an embodiment of the present invention, the support member includes a support member inlet section and a support member outlet section which are connected in sequence, the support member inlet section is adjacent to the fan main body, and the cross-sectional area of the support member is gradually reduced along a direction from the fan housing inlet section to the fan housing outlet section.
The utility model discloses an in one embodiment, the dryer cover body still includes the fan housing interlude, the fan housing interlude is connected the fan housing entrance with between the fan housing export section, the size of the cross section of fan housing interlude is less than fan housing entrance open-ended size.
In an embodiment of the present invention, the fan main body includes: the first shell is provided with a first air inlet, the first air outlet is arranged on the first shell, and the first air inlet and the air outlet are oppositely arranged and communicated; the first mounting seat is connected in the first shell and is positioned between the first air inlet and the first air outlet; and the first fan is positioned in the first shell and connected to the first mounting seat.
In an embodiment of the present invention, a second casing is connected to an end of the first casing away from the diffuser housing, the second casing is provided with a second air outlet and a second air inlet, the second air outlet is located between the first air inlet and the second air inlet, and a second mounting seat is disposed in the second casing and located between the second air outlet and the second air inlet; and the second fan is positioned in the second shell and connected to the second mounting seat.
The utility model discloses an embodiment, circulating fan still includes the air inlet net, the air inlet net is connected second inlet opening department, just be provided with a plurality of air inlet stator on the air inlet net.
In an embodiment of the present invention, the circulation fan further includes: the upright post is connected to the outer side of the fan main body; and the base is connected to one end, far away from the upright post, of the upright post.
The technical scheme can have one or more of the following advantages or beneficial effects: firstly, the air outlet end of the circulating fan is provided with the air expanding cover which is communicated with the air outlet and comprises the air cover cylinder and the guide vanes, wherein the air cover cylinder is provided with the profile which is expanded along the air outlet direction of the circulating fan, so that the air outlet range of the circulating fan is enlarged, the technical problem that the air outlet range of the circulating fan is small due to structural limitation in the prior art is solved, and the beneficial effect of increasing the air outlet range of the circulating fan is achieved. Secondly, the size of the cross section of the middle section of the fan cover is smaller than that of the inlet section of the fan cover, so that the inlet section of the fan cover is in a contracted profile, the wind speed in the middle of the fan cover cylinder can be increased, and the wind speed and wind supply distance can be increased; thereby further increasing the blowing range of the circulation fan. Furthermore, the blade outlet angle is uniformly reduced along the direction from the blade root to the blade top, so that the rotating wind speed of the outer circumference of the wind-expanding cover far away from the air outlet is reserved or increased, and the wind-expanding range is enlarged. Furthermore, the flow resistance of the air outlet of the circulating fan at the root part of the guide vane is reduced by designing the supporting piece into a structure with the cross-sectional area gradually reduced along the direction from the air cover inlet section to the air cover outlet section.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the description below are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a circulation fan according to an embodiment of the present invention.
Fig. 2 is a schematic structural diagram of an air duct cover in fig. 1.
Fig. 3 is an exploded schematic view of a circulation fan according to an embodiment of the present invention.
Fig. 4 is a schematic cross-sectional view of a circulation fan according to an embodiment of the present invention.
Fig. 5 is a schematic structural view of a circulation fan provided by an embodiment of the present invention at an angle.
Fig. 6 is another circulation fan provided in an embodiment of the present invention.
Fig. 7 is a schematic diagram of the exploded structure of fig. 6.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
[ first embodiment ] A method for manufacturing a semiconductor device
As shown in fig. 1 and 2, a first embodiment of the present application provides a circulation fan 10. The circulation fan 10 includes, for example, a fan main body 100 and an air diffuser 200. The fan body 100 is provided with a first air outlet 101, and the fan body 100 is configured to draw air from the rear into the inside thereof, and blow out air flow from the first air outlet 101 after the air flows at a high speed. The air diffuser 200 is disposed at the first outlet 101 of the fan body 100, and is communicated with the first outlet 101 of the fan body 100. It is understood that the air diffuser cover 200 is, for example, detachably connected to the fan body 100, so as to facilitate the packaging and storage of the circulation fan 10.
As shown in fig. 1, the diffuser 200 includes, for example, a diffuser cylinder 210 and guide vanes 220. The fan housing cylinder 210 has an outer contour gradually expanding along the air outlet direction of the circulation fan 10, and the guide vane 220 is connected in the fan housing cylinder 210.
Specifically, as shown in fig. 1 and 2, the hood cylinder 210 includes, for example, a hood inlet section 211 and a hood outlet section 212 connected in sequence. Wherein, the wind shield inlet section 211 and the wind shield outlet section 212 are oppositely arranged and communicated. The hood inlet section 211 is provided with an inlet section opening 2111, and the inlet section opening 2111 is communicated with the air inlet 101. The hood outlet section 212 is provided with an outlet section opening 2121. The size of the inlet section opening 2111, i.e., its cross-section, is smaller than the size of the outlet section opening 2121, i.e., its cross-section. Specifically, the inlet section opening 2111 has a diameter d1 and the outlet section opening has a diameter d2. d1 is smaller than d2. The guide vanes 220 extend, for example, along the shroud inlet section 211 in the direction of the shroud outlet section 212. The air blown out from the first outlet 101 of the circulation fan 10 is blown out along the guide vanes 220 in the circulation fan cylinder 210, giving a comfortable wind feeling to the user.
Above-mentioned technical scheme sets up the first air outlet of intercommunication and includes fan housing barrel and guide vane's fan housing that expands through the first air outlet end at circulating fan, and wherein the fan housing barrel is provided with the profile along the expanding of circulating fan air-out direction for circulating fan air-out scope grow has solved among the prior art circulating fan because of structural constraint, and the technical problem that the air-out scope is little, has reached the beneficial effect who increases circulating fan air-out scope.
Specifically, as shown in fig. 2, the overall profile of the air duct cover 210 is a laval nozzle type. The duct cover 210 further includes a duct intermediate section 213, for example. The fan housing intermediate section 213 is connected between the fan housing inlet section 211 and the fan housing outlet section 212. Wherein the size of the cross-section of the hood intermediate section 213 is smaller than the size of the inlet section opening 2111. The diameter of the fan housing middle section 213 is d5, wherein d1 is greater than d5, and d5 is less than d3. The fan housing inlet section 211 is a contracted profile extending along the air outlet direction L1 of the fan housing 200, that is, the area of the cross section thereof gradually decreases. The fan housing outlet section 212 is an expansion profile extending along the air outlet direction L1 of the fan housing 200, that is, the area of the cross section thereof gradually increases. It is understood that the fan housing middle section 213 shown in fig. 3 converges into a narrow throat, which may also be a rectangular section, but the present invention is not limited thereto. The wind cover inlet section 211 is designed to be a contraction profile, which is beneficial to increasing the wind speed in the middle of the wind cover cylinder, so that the wind speed and the wind supply distance are increased; then, the fan housing outlet section 212 is designed into an expansion profile, so that the air supply range of the circulating fan is further enlarged.
Further, in an embodiment of the present invention, the length of the wind shield inlet section 211 is d3, and the length of the wind shield outlet section 213 is d4. In order to obtain better air diffusion effect, d4 is larger than d3. Preferably, d4 is equal to 1.5 times d3. In addition, the wind shield inlet section 211 and the wind shield diffuser 200 form a contraction angle θ in the axial direction, i.e., the wind outlet direction L1 1 (ii) a The fan housing outlet section 212 and the fan diffuser 200 form an expansion angle theta in the axial direction, i.e. the air outlet direction L1 2 . Wherein the divergence angle theta 2 Greater than the angle of contraction theta 1 . Preferably, the contraction angle θ 1 The size of the angle is 8-15 degrees. Divergence angle theta 2 The size of (a) is preferably 10 to 30 °.
Further, as shown in fig. 1, the guide vane 220 is formed with a guide vane outlet angle α, for example, away from the outer side of the fan body 100. It is understood that the above-mentioned outer side is the side of the circulation fan 10 that blows air into the environment, i.e., the side where the outlet-end opening 2121 is located. The guide vane exit angle α is the angle formed by the guide vane 220 and the tangent plane bordering it. Specifically, the vane exit angle α is an included angle that is greater than or equal to 40 degrees and less than or equal to 90 degrees. The sizes of the guide vane outlet angles α at any two positions on the outer side of the guide vane 220 are not equal. By designing the guide vane outlet angles α of the guide vanes 220 on the outer side not to be equal, the plurality of guide vanes 220 can scatter the airflow blown out by the circulating fan 10 at the air supply position of the circulating fan 10, i.e., at the outlet end opening 2121, and the airflow is guided out along the periphery of the guide vanes 220, thereby increasing the air outlet range.
Specifically, as shown in fig. 4 and 5, the air diffuser cover 200 further includes a support 230, for example. The supporting member 230 is located inside the wind shield cylinder 210. The guide vanes 220 are connected between the wind shield cylinder 210 and the support 230. The plurality of guide vanes 220 are sequentially connected between the wind housing cylinder 210 and the support 230 at intervals. Specifically, the root 221 of each guide vane 220 is connected to the support 230, and the tip 222 of each guide vane 200 is connected to the inside of the wind shield cylinder 210. Preferably, the guide vane 220 root exit angle α 1 Is 90 degrees, the tip exit angle α of the guide vane 220 2 Is 40 degrees. The guide vane exit angle α decreases uniformly in the direction of the blade root 221 towards the blade tip 222. By setting the blade exit angle α to be uniformly reduced along the direction from the blade root 221 to the blade tip 222, the rotating wind speed at the outer circumference of the wind spreading cover 200 away from the first wind outlet 101 is maintained or increased, thereby increasing the wind spreading range.
Further, as shown in fig. 4, the overall profile of the support member 230 is, for example, streamlined. Specifically, the support 230 includes a support inlet section 231 and a support outlet section 232 connected in series. The support inlet 231 is disposed adjacent to the fan body 100, and one end of the support inlet adjacent to the fan body 100 is spherical. The cross-sectional area of the support 230 is gradually decreased in a direction from the hood inlet section 211 to the hood outlet section 212. Through arranging the supporting piece 230 in the fan housing cylinder 210, the air flow of the air outlet is dispersed, so that the air outlet is smoother, and the air outlet range is enlarged; further, by designing the supporting member 230 to have a structure with a cross-sectional area gradually decreasing in a direction from the cowl inlet section 211 to the cowl outlet section 212, a flow resistance of the circulating fan to the root 221 of the air discharged from the guide vane 220 is reduced.
Further, the fan main body 100 includes, for example, a first housing 110, a first mounting base 120, and a first fan 130. The first air outlet 101 is disposed on the first casing 110 and located at one end of the first casing 110 connected to the air diffuser 200. The first housing 110 is coupled to the first mounting seat 120 at an inner side thereof. The first fan 120 is coupled to the first mount 120. Specifically, the first casing 110 is, for example, a cylindrical casing, and two ends of the first casing are respectively provided with a first air inlet 102 and a first air outlet 101, that is, the first air inlet 102 and the first air outlet 101 are oppositely disposed and communicated. The first mounting base 120 is located between the first air inlet 102 and the first air outlet 101, so that the first fan 130 connected to the first mounting base 120 can accelerate the air introduced from the first air inlet 102 and blow the accelerated air out of the first air outlet 101.
Further, in order to increase the air output of the fan main body 100, the fan main body 100 further includes: a second housing 140, a second mount 150, and a second fan 160. The second casing 140 is connected to an end of the first casing 110 away from the air diffuser cover 200. The second casing 140 is also a cylindrical casing, and both ends thereof are respectively provided with the second air inlet 104 and the second air outlet 103. The second air outlet 103 is located between the second air inlet 104 and the first air inlet 101, the second air inlet 104 and the second air outlet 103 are communicated with each other. The second mounting seat 150 is connected to the second housing 140 and located between the second air inlet 104 and the second air outlet 103. The second fan 160 is mounted on the second mount 150. Through set up a plurality of fans in fan main part 100, can increase the air output to increase the air-out scope. It is understood that, in other embodiments of the present invention, the fan main body 100 can further include, for example, a third fan, a third mounting seat, a third housing, and the like, which is not limited by the present invention. In addition, the first housing 110 and the second housing 140 mentioned above are, for example, integrally formed, and may also be separately manufactured to be connected and formed. The former has simple manufacturing process, and the latter is convenient for installation and disassembly.
The present invention is not limited thereto.
The first fan 120 and the second fan 130 are, for example, axial fans. Specifically, each fan includes, for example, an impeller 311, fan blades 312, and a motor 313. The impeller 311 is connected to a plurality of blades 312. The motor 313 is mounted on a mount, for example. The impeller 311 is electrically connected to the motor 313, so as to drive the fan blades 312 to rotate under the driving of the motor 313, so as to accelerate the air, and form and blow out an air flow in the same axial direction as the fan blades.
Specifically, in order to prevent a user from accidentally touching and blocking foreign materials from entering the fan main body 100 to affect the rotation of the fan provided therein, the circulation fan 10 further includes an air inlet net 400. The air inlet net 400 is connected to the second air inlet 102 of the fan main body 100 and covers one end of the fan main body 100. It is understood that in other embodiments of the present invention, the air inlet net 400 can be disposed at the second air inlet 102. Specifically, a plurality of curved air inlet guide vanes 410 are uniformly arranged on the air inlet net 400.
It will be appreciated that the circulation fan 10 may also include, for example, a power supply assembly electrically connecting the first fan 130 and the second fan 160. The outside of the fan body 100 is also provided with, for example, a button or a touch panel electrically connected to the power supply module to control the on/off of the circulation fan 10. The specific arrangement and connection of the above components are referred to the prior art, and are not described herein again.
Further, as shown in fig. 6, the present invention provides a circulation fan 10 further comprising a support assembly 500, so that the circulation fan can stand on the ground or on a table for blowing air. Specifically, the support assembly 500 includes, for example, a column 510 and a base 520. The base 520 is used to fix the circulating fan 10 to a plane. The column 510 connects the circulation fan 10 and the base 520, which can be used to adjust the height of the circulation fan to meet different usage scenarios. Specifically, the column 510 is coupled to the outside of the fan main body 100. Preferably, the column 510 is provided with a support base 511 adjacent to one end of the circulation fan 10. The fan body 100 is provided with an adaptor 110. The supporting base 511 is connected to the fan body 100 through the adaptor 110. The support base 511 is Y-shaped and includes a support base front shell 5111 and a support base rear shell 5112. Specifically, the first housing 110 is rotatably connected to the support base front shell 5111, for example, and the second housing 140 is rotatably connected to the support base rear shell 5112, for example.
Specifically, the upright 510 is a telescopic upright, and includes a fixed rod 512 and a sliding rod 513. One end of the sliding rod 513, which is far away from the fixed rod 512, is connected with the supporting seat 511. The sliding rod 513 is axially slidable with respect to the fixing rod 512, thereby enabling adjustment of the height of the fan main body 100 coupled to the column 510. Specifically, the upright 510 is provided with a fixing member 514, for example, a bolt, for fixing the position of the sliding rod 513 on the fixing rod 512. In addition, the base 520 has an overall, e.g., cylindrical shape, which can drive the column 510 to rotate, so that multi-angle blowing of the circulation fan 10 can be achieved.
Specifically, the base 520 includes, for example, a chassis lower case 521, and a chassis upper case 522. The chassis upper shell 522 is covered with the chassis lower shell 521. The chassis upper shell 522 is a hollow circular column, and the middle part of the chassis upper shell is connected with a rotary support frame lower shell 523. The peripheral side of the lower rotating support frame casing 523 is provided with a ball 524, so that the lower rotating support frame casing 523 can be rotatably connected with the upper chassis casing. The upper cover of the lower rotating bracket case 523 is combined with the upper rotating bracket case 525. The rotating bracket upper shell 525 is internally provided with a containing space, and one end of the rotating bracket upper shell 525 far away from the chassis upper shell 522 is provided with a through hole V1 penetrating through the rotating bracket upper shell 525 and the rotating bracket lower shell 523. The accommodating space is provided with a connecting rod bracket 526. The link bracket 526 is formed by a multi-segment link hinge, for example, which can be driven by a motor or other power assembly (not shown) to perform a telescopic motion. The link bracket 526 is connected to the lower rotating support case 523, so that the link bracket 526 can push the upper rotating support case 525 and the lower rotating support case 523 to rotate relative to the upper chassis case 522. One end of the upright column 510, which is far away from the circulating fan casing 100, is connected with the upper rotating support casing 525 and the lower rotating support casing 523 through the through hole V1, so that the upright column 510 can rotate along with the upper rotating support casing 525 relative to the upper chassis casing 521.
It is understood that the power components and the keys of the circulation fan 10 can be disposed on the base 520, and the invention is not limited thereto.
To sum up, the utility model provides a pair of circulating fan, it has following beneficial effect: firstly, the air outlet end of the circulating fan is provided with the air expansion cover which is communicated with the air outlet and comprises the air cover cylinder and the guide vanes, wherein the air cover cylinder is provided with the profile which is expanded along the air outlet direction of the circulating fan, so that the air outlet range of the circulating fan is enlarged, the technical problem that the air outlet range of the circulating fan is small due to structural limitation in the prior art is solved, and the beneficial effect of increasing the air outlet range of the circulating fan is achieved. Secondly, the size of the cross section of the middle section of the fan cover is smaller than that of the inlet section of the fan cover, so that the inlet section of the fan cover is in a contracted profile, the wind speed in the middle of the fan cover cylinder can be increased, and the wind speed and wind supply distance can be increased; thereby further increasing the blowing range of the circulation fan. Furthermore, the blade outlet angle is uniformly reduced along the direction from the blade root to the blade top, so that the rotating wind speed of the outer circumference of the wind expansion cover far away from the air outlet is reserved or increased, and the wind expansion range is enlarged. Furthermore, the supporting piece is designed into a structure that the cross sectional area is gradually reduced along the direction from the fan cover inlet section to the fan cover outlet section, so that the flow resistance of the air outlet of the circulating fan at the root part of the guide vane is reduced.
In addition, it can be understood that the foregoing embodiments are merely exemplary illustrations of the present invention, and the technical solutions of the embodiments can be arbitrarily combined and collocated for use on the premise that the technical features are not conflicted, the structure is not contradictory, and the objects of the present invention are not violated.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. A circulation fan, comprising:
the fan body is provided with a first air outlet; and
expand the fan housing, expand the fan housing and include fan housing barrel and guide vane, guide vane is located just connect in the fan housing barrel, the fan housing barrel is including the fan housing entrance and the fan housing outlet section that connect gradually, the fan housing entrance is provided with the entrance opening, the fan housing entrance is connected the fan main part just entrance opening intercommunication first air outlet, fan housing outlet section is provided with outlet section opening, outlet section opening intercommunication inlet section opening, just inlet section open-ended size is less than outlet section open-ended size.
2. The circulation fan of claim 1, wherein an outer side of the guide vane remote from the fan body is formed with a guide vane exit angle, the guide vane exit angles at any two locations on the outer side of the guide vane being unequal.
3. The circulating fan of claim 2 wherein the vane outlet angle is greater than or equal to 40 degrees and less than or equal to 90 degrees.
4. The circulation fan as claimed in claim 2, wherein the diffuser further includes a support member which is located inside the fan housing cylinder and between which the guide vanes are connected, the guide vane outlet angle of the outer side of the guide vanes gradually decreasing in a direction from the support member toward the fan housing cylinder.
5. The circulation fan of claim 4, wherein the support member includes a support member inlet section and a support member outlet section connected in series, the support member inlet section being disposed adjacent to the fan body, the support member having a cross-sectional area that decreases in a direction from the hood inlet section toward the hood outlet section.
6. The circulation fan as claimed in claim 1, wherein the air duct cover further includes an air hood intermediate section, the air hood intermediate section is connected between the air hood inlet section and the air hood outlet section, and a cross-sectional size of the air hood intermediate section is smaller than a size of an opening of the air hood inlet section.
7. The circulation fan as claimed in claim 1, wherein the fan main body comprises:
the first shell is provided with a first air inlet, the first air outlet is arranged on the first shell, and the first air inlet and the air outlet are oppositely arranged and communicated;
the first mounting seat is connected in the first shell and is positioned between the first air inlet and the first air outlet; and
the first fan is located in the first shell and connected to the first mounting seat.
8. The circulation fan as claimed in claim 7, wherein the fan main body further comprises:
the second shell is connected with one end of the first shell, which is far away from the air expanding cover, the second shell is provided with a second air outlet and a second air inlet, the second air outlet is positioned between the first air inlet and the second air inlet,
the second mounting seat is arranged in the second shell and is positioned between the second air outlet and the second air inlet; and
and the second fan is positioned in the second shell and connected to the second mounting seat.
9. The circulation fan of claim 8, further comprising an air intake net connected to the second air inlet, wherein a plurality of air intake guide vanes are disposed on the air intake net.
10. The circulation fan as claimed in any one of claims 1 to 9, further comprising:
the upright post is connected to the outer side of the fan main body; and
the base is connected the stand is kept away from the one end of stand.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220950224.9U CN218266504U (en) | 2022-04-21 | 2022-04-21 | Circulating fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220950224.9U CN218266504U (en) | 2022-04-21 | 2022-04-21 | Circulating fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218266504U true CN218266504U (en) | 2023-01-10 |
Family
ID=84706924
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220950224.9U Active CN218266504U (en) | 2022-04-21 | 2022-04-21 | Circulating fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218266504U (en) |
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2022
- 2022-04-21 CN CN202220950224.9U patent/CN218266504U/en active Active
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