CN212376902U - Fan with cooling device - Google Patents
Fan with cooling device Download PDFInfo
- Publication number
- CN212376902U CN212376902U CN202020228473.8U CN202020228473U CN212376902U CN 212376902 U CN212376902 U CN 212376902U CN 202020228473 U CN202020228473 U CN 202020228473U CN 212376902 U CN212376902 U CN 212376902U
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- Prior art keywords
- filter
- housing
- air inlet
- shell
- fan
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- Expired - Fee Related
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- 238000001816 cooling Methods 0.000 title description 2
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 9
- 238000001914 filtration Methods 0.000 claims abstract description 7
- 230000000903 blocking effect Effects 0.000 claims description 8
- 230000000249 desinfective effect Effects 0.000 claims description 4
- 230000013011 mating Effects 0.000 claims 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 238000004659 sterilization and disinfection Methods 0.000 description 2
- 244000052616 bacterial pathogen Species 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000001678 irradiating effect Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
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Abstract
The utility model discloses a fan, which comprises a shell, a first cross flow impeller and a second cross flow impeller, wherein the first cross flow impeller and the second cross flow impeller are positioned in the shell, and the shell limits a through hole; the first filter and the second filter are respectively positioned at the downstream of the first air inlet and the second air inlet, and the first ultraviolet lamp and the second ultraviolet lamp are respectively positioned at the downstream of the first filter and the second filter; the first filter and the first ultraviolet lamp are both located upstream of the first cross-flow impeller, and the second filter and the second ultraviolet lamp are both located upstream of the second cross-flow impeller. The fan has the advantages of large air volume, low noise, good appearance, and filtering and sterilizing functions.
Description
Technical Field
The utility model relates to a fan. In particular, but not exclusively, the invention relates to domestic fans for creating air circulation and airflow in a room, office or other domestic environment.
Background
A fan is a commonly used household appliance. Some fans can output cool wind or cold wind, so that a cool effect can be brought to a user; some fans can output hot air, so that a warming effect can be brought to a user; some fans may output a clean air stream, i.e., filtered air, which may be provided to a user.
Chinese patent application No. CN 110792639 a, patent publication No. CN 110792639 a, 2/14/2020 (application No. 201911130112.8) discloses a fan comprising: a body comprising an air inlet, an air outlet, a removable filter and a motor assembly, and a nozzle mounted on the body, the nozzle being connected to the air outlet for receiving an air stream from the body and emitting the air stream. The fan with the structure can output the filtered clean air flow, but the output air flow is small, the working noise is large, and in addition, possible germs in the air flow cannot be treated, so that the fan needs to be further improved or perfected.
Disclosure of Invention
The utility model aims to provide a fan which has large air quantity, low noise, good appearance and disinfection and filtering functions, so as to overcome the defects.
In order to realize the purpose, the technical scheme of the utility model is that: a fan comprising a housing having a first air inlet, a second air inlet, a first air outlet and a second air outlet, and a first and a second impeller located within the housing, the housing defining a through-bore through which air from outside the fan can be drawn by an airflow emitted from the first and second air outlets, characterised in that the fan further comprises a first filter, a second filter, a first uv lamp and a second uv lamp disposed within the housing; the first filter and the second filter are respectively positioned at the downstream of the first air inlet and the second air inlet, and the first ultraviolet lamp and the second ultraviolet lamp are respectively positioned at the downstream of the first filter and the second filter; the first filter is used for filtering airflow entering from the first air inlet and blocking light emitted by the first ultraviolet lamp from directly passing through the first air inlet to emit outwards, the second filter is used for filtering airflow entering from the second air inlet and blocking light emitted by the second ultraviolet lamp from directly passing through the second air inlet to emit outwards, the first ultraviolet lamp is used for disinfecting the airflow filtered by the first filter, and the second ultraviolet lamp is used for disinfecting the airflow filtered by the first filter; the first filter and the first ultraviolet lamp are both located upstream of the first cross-flow impeller, and the second filter and the second ultraviolet lamp are both located upstream of the second cross-flow impeller.
Firstly, in the fan, the distance between the first air inlet and the first air outlet and the first through-flow impeller, and the distance between the first air inlet and the second air outlet and the second through-flow impeller are both close, the loss of the high-pressure airflow accelerated by the first through-flow impeller and the second through-flow impeller in the operation of the fan is small, the first impeller and the second impeller can realize the output of large air volume at low rotating speed, and the noise level is obviously reduced; secondly, because the first filter and the second filter are respectively arranged in the shell, the air flow entering the fan from the first air inlet and the second air inlet can be filtered, so that the air flow output from the first air outlet and the second air outlet is clean air flow; particularly, a first ultraviolet lamp and a second ultraviolet lamp are respectively arranged at the downstream of the first filter and the second filter, so that the filtered airflow can be effectively sterilized or disinfected; the first filter and the second filter can not only play a role in filtering, but also can prevent ultraviolet rays from being directly emitted from the first air inlet and the second air inlet and irradiating on a human body, so that the use safety of a user can be guaranteed, namely, the first filter and the second filter can play a role in blocking or protecting; the first ultraviolet lamp and the second ultraviolet lamp are respectively positioned at the upstream of the first cross-flow impeller and the second cross-flow impeller, so that the first cross-flow impeller and the second cross-flow impeller can play a role in forming air flow, and can prevent ultraviolet rays from directly penetrating through the first air outlet and the second air outlet to be emitted outwards, thereby ensuring the use safety of a user; in addition, the structure ensures that the whole appearance is better.
Therefore, the fan has low noise, large air volume and good appearance, and can filter and disinfect air flow, and the first filter, the second filter, the first through-flow impeller and the second through-flow impeller all have the function of blocking ultraviolet rays from being emitted out of the shell, so that the use safety of a user can be guaranteed. The fan can be used when someone is on site, which is different from the common ultraviolet disinfection that people are not on site to prevent direct irradiation, and the use is convenient.
Preferably, the fan further comprises a first volute and a first volute tongue which are arranged in the housing and are adjacent to the first through-flow impeller, and a second volute tongue which are arranged in the housing and are adjacent to the second through-flow impeller, the first ultraviolet lamp is adjacent to the first volute, the second ultraviolet lamp is adjacent to the second volute, the first volute at least can block part of light emitted by the first ultraviolet lamp from directly passing through the first air outlet and emitting outwards, and the second volute at least can block part of light emitted by the second ultraviolet lamp from directly passing through the second air outlet and emitting outwards. Such structure is very compact, and the position that its first ultraviolet lamp and second ultraviolet lamp were located can make first spiral case and second spiral case also play the effect that prevents the ultraviolet ray and leak, more is favorable to guaranteeing user's safety in utilization.
Preferably, the housing comprises a removable first housing having a first air inlet and a second air inlet. The first air inlet and the second air inlet after being used for a long time are cleaned by people, and the cleaning device can be conveniently detached to clean.
Preferably, the housing comprises a removable first housing having a first air inlet and a second air inlet, wherein both the first filter and the second filter are secured to the first housing. After the first shell is detached, the first air inlet and the second air inlet are convenient to clean, and the first filter and the second filter are convenient to clean or replace; especially, after the first shell is detached, people can directly clean the first ultraviolet lamp and the second ultraviolet lamp or replace the lamp tubes, and the convenience of use is obviously improved.
Typically, the first filter and the second filter each comprise a frame and an airstrainer within the frame; the first filter is secured to the first housing by an elastic sealing member, and the second filter is also secured to the first housing by an elastic sealing member.
Preferably, the housing includes a first housing having a first air inlet and a second air inlet, the first housing and the first filter include a locking groove, the other of the first housing and the first filter includes a locking piece matched with the locking groove, and the second filter includes a locking groove or a locking piece identical to the first filter, wherein the first filter and the second filter can be fixed to the first housing by extending the locking piece into the locking groove, or can be separated from the first housing by leaving the locking piece from the locking groove. The structure facilitates the disassembly and assembly of the first filter and the second filter, and is beneficial to the cleaning or replacement of the first filter and the second filter.
Preferably, the housing comprises a first removable housing having a first air inlet and a second air inlet; the fan further comprises a locking device, wherein the locking device comprises a button capable of moving in the up-and-down direction, and when the button moves in the up-and-down direction, the first shell can move in the front-and-back direction relative to other parts of the shell. The locking device adopting the structure has simple structure and convenient use, and is beneficial to the assembly or disassembly between the first shell and other parts of the shell.
Preferably, the housing comprises a first removable housing having a first air inlet and a second air inlet; the fan further comprises a locking device, wherein the locking device comprises a button capable of rotating, and when the button rotates, the first shell can move in the front-back direction relative to other parts of the shell. The locking device adopting the structure is also beneficial to convenient assembly or disassembly.
Preferably, the housing comprises a first removable housing having a first air inlet and a second air inlet; the fan also comprises a locking device, wherein the locking device comprises a bolt, an elastic element and a button connected with the bolt; when the button is not acted by external force, the bolt is positioned at a position which can prevent the first shell from moving in the front-back direction relative to other parts of the shell; when the button is subjected to external force and displaced, the latch can be in a position of not blocking the forward and backward movement of the first shell relative to the other parts of the shell.
Preferably, the housing comprises a second removable housing having a first air inlet and a third removable housing having a second air inlet, wherein the first filter and the second filter are fixed to the second housing and the third housing, respectively. The structure can be respectively disassembled or assembled for the second shell and the third shell, and can also be conveniently used for carrying out selective subsequent treatment or replacement on the first filter, the second filter, the first ultraviolet lamp and the second ultraviolet lamp according to the requirements.
Preferably, the housing comprises a second removable housing having a first air inlet and a third removable housing having a second air inlet; one of the second shell and the first filter comprises a clamping groove, the other of the second shell and the first filter comprises a clamping piece matched with the clamping groove, and the first filter can be fixed with the second shell by extending the clamping piece into the clamping groove or separated from the second shell by separating the clamping piece from the clamping groove; one of the third shell and the second filter comprises a clamping groove, the other of the third shell and the second filter comprises a clamping piece matched with the clamping groove, the second filter can be fixed with the third shell by enabling the clamping piece to extend into the clamping groove, and the clamping piece can be separated from the third shell by enabling the clamping piece to leave the clamping groove.
Typically, the first filter is less than 10mm from the first air inlet and the second filter is also less than 10mm from the second air inlet; preferably, the first filter is less than 5mm from the first air inlet and the second filter is also less than 5mm from the second air inlet.
Typically, the height of the through-hole in its longitudinal direction is greater than the width of the through-hole in its transverse direction. Preferably, the height of the through-hole in the longitudinal direction thereof is 5 times or more the width of the through-hole in the lateral direction thereof; more preferably, the height of the through-hole in the longitudinal direction thereof is 8 times or more the width of the through-hole in the lateral direction thereof.
Preferably, the width of the through hole is between 10mm and 300 mm; more preferably, the width of the through hole is between 15mm and 100 mm.
Preferably, the height of the through hole is between 150mm and 15000 mm; more preferably, the height of the through-hole is between 200mm and 1000 mm.
Typically, the through-holes include rectangular through-holes, rounded rectangular through-holes, and partially circular through-holes.
Preferably, the shape of the cross section of the through-hole includes a combination of a rectangular shape and a semicircular shape. For example, the shape of the cross section of the through-hole is a combination of a rectangle and a semicircle located at one end in the length direction of the rectangle, wherein the width of the rectangle is equal to the diameter of the semicircle. For another example, the shape of the cross section of the through-hole is a combination of a rectangle and two semicircles at both ends in the length direction of the rectangle, wherein the width of the rectangle is equal to the diameter of the two semicircles.
Preferably, the first cross flow impeller and the second cross flow impeller are arranged in parallel at a distance. The rotational speed of the first and second through-flow impellers is typically between 500rpm and 4000rpm, preferably between 1200rpm and 3000 rpm.
In order to enable the fan to output a hot air flow, heating means for heating the air flow may be provided in the housing.
Drawings
Fig. 1 is a front schematic view of the fan of the present invention.
Fig. 2 is a rear view of the fan shown in fig. 1.
Fig. 3 is a left side view of the fan shown in fig. 1.
Fig. 4 is a sectional view of the fan taken along line a-a in fig. 1.
Fig. 5 is a sectional view of the fan taken along line B-B in fig. 3.
Fig. 6 is a schematic view of the structure of the locking device in fig. 2.
Fig. 7 is a schematic view of another alternative construction of the locking device of fig. 2.
Fig. 8 is a rear view of a fan of another embodiment.
Detailed Description
Fig. 1 to 6 show a first embodiment of the present invention. As can be seen from fig. 1 to 6, the fan of the present invention includes a base 2 and a body 1 disposed on the base 2, wherein the body 1 includes a housing 3, a first driving motor 17, a second driving motor 18, a first axial-flow impeller 11, a second axial-flow impeller 12, a first filter 37, a second filter 38, a first ultraviolet lamp 39 and a second ultraviolet lamp 40 disposed in the housing 3.
In the present embodiment, the housing 3 includes a front shell 31 and a rear shell 32 and defines the through hole 4, the first air inlet 7, the second air inlet 8, the first air outlet 5 and the second air outlet 6 are disposed on the housing 3, the first air inlet 7, the second air inlet 8, the first air outlet 5 and the second air outlet 6 are all grids with a plurality of rectangular holes, wherein the rear shell 32 includes a detachable first shell 33, and the first air inlet 7 and the second air inlet 8 are all located on the first shell 33 of the rear shell 32.
In the embodiment, the first driving motor 17 and the second driving motor 18 are both dc brushless motors, and the first driving motor 17 and the second driving motor 18 respectively drive the first cross flow impeller 11 and the second cross flow impeller 12 to rotate; a first filter 37 and a second filter 38 are located downstream of the first inlet 7 and the second inlet 8, respectively, the first filter 37 being adjacent to the first inlet 7 and the second filter 38 being adjacent to the second inlet 8; when the first through-flow impeller 11 rotates to work, the first filter 37 filters the airflow entering from the first air inlet 7, and the filtered airflow passes through the first through-flow impeller 11 and is output from the first air outlet 5; similarly, when the second cross-flow impeller 12 is rotated to operate, the second filter 38 filters the airflow entering from the second air inlet 8, and the filtered airflow passes through the second cross-flow impeller 12 and is then output from the second air outlet 6.
In the present embodiment, a first volute casing 13, a second volute casing 14, a first volute tongue 15 and a second volute tongue 16 are fixed on the inner wall of the housing 3; the first cross flow impeller 11 is positioned on the left side of the through hole 4, and the second cross flow impeller 12 is positioned on the right side of the through hole 4. The housing 3, the first volute 13, the second volute 14, the first volute tongue 15 and the second volute tongue 16 of the present embodiment are all formed of plastic.
As best seen in fig. 4, the first ultraviolet lamp 39 is located downstream of the first filter 37, the first ultraviolet lamp 39 is located near the first volute 13 and upstream of the first through-flow impeller 11, the light emitted by the first ultraviolet lamp 39 at this location can effectively irradiate or sterilize the airflow filtered by the first filter 37, meanwhile, the first filter 37 can block the light emitted by the first ultraviolet lamp 39 from directly emitting out through the first air inlet 7, the first through-flow impeller 11 and the first volute 13 can jointly block the light emitted by the first ultraviolet lamp 39 from directly emitting out through the first air outlet 5, so that the light emitted by the first ultraviolet lamp 39 is difficult to emit from the first air inlet 7 and the first air outlet 5 of the housing 3 and is limited in the housing 3, thereby facilitating the user to be protected from the direct irradiation of the light emitted by the first ultraviolet lamp 39 at the use site, so as to ensure the safety of the user.
Similarly, the second ultraviolet lamp 40 is located downstream of the second filter 38, the second ultraviolet lamp 40 is close to the second volute 14 and upstream of the second through-flow impeller 12, the light emitted by the second ultraviolet lamp 40 at this location can effectively irradiate or sterilize the airflow filtered by the second filter 38, meanwhile, the second filter 38 can block the light emitted by the second ultraviolet lamp 40 from directly emitting out through the second air inlet 8, and the second through-flow impeller 12 and the second volute 14 can jointly block the light emitted by the second ultraviolet lamp 40 from directly emitting out through the second air outlet 6, which is also beneficial for users to avoid the direct irradiation of the light emitted by the second ultraviolet lamp 40 at the use site, so as to ensure the safety of the users.
In this embodiment, both the first filter 37 and the second filter 38 comprise a frame and an air screen located within the frame; the first filter 37 and the second filter 38 are connected to a first housing 33 having a first air inlet 7 and a second air inlet 8, respectively, two locking devices 9 being provided on the first housing 33; referring to fig. 5, the locking device 9 includes a fixing frame 95, an elastic element 94 and a latch 93 disposed in the fixing frame 95, and a button 91 and a connecting rod 92, wherein two ends of the connecting rod 92 are fixed to the latch 93 and the button 91, respectively; when the button 91 is moved downward, the latch 93 thereof may be completely inserted into the inside of the holder 95, and at this time, the first housing 33 may be moved backward with respect to the other portion of the rear case 32 to separate the first housing 33 from the other portion of the rear case 32, so that the first housing 33 may be detached.
In the present embodiment, the first filter 37 and the second filter 38 are detachably fixed to the first housing 33, respectively. As is readily apparent from fig. 4, when the first housing 33 is removed, one can easily remove the first filter 37 and the second filter 38 for cleaning or replacement; as can also be readily seen from fig. 4, when the first housing 33 is removed, one can easily clean or replace the first ultraviolet lamp 39 and the second ultraviolet lamp 40.
As is clear from fig. 5, a first lower base 27, a second lower base 28, a first upper base 29 and a second upper base 30 are fixed on the inner wall of the housing 3; the first driving motor 17 is arranged in the first lower base 27, and the second driving motor 18 is arranged in the second lower base 28; the first driving motor 17 is connected with the first through-flow impeller 11 through a driving shaft 19, and the second driving motor 18 is connected with the second through-flow impeller 12 through a driving shaft 20; the upper end of the first crossflow impeller 11 has a first upper rotating shaft 21, the upper end of the second crossflow impeller 12 has a second upper rotating shaft 22, the first upper rotating shaft 21 is supported by a first bearing 23 disposed in a first upper base 29, and the second upper rotating shaft 22 is supported by a second bearing 24 disposed in a second upper base 30.
In the present embodiment, a cable through hole (not shown) is provided in the base 2, and a circuit device 25 is provided in the housing 3; the circuit device 25 is electrically connected to the first driving motor 17 and the second driving motor 18, respectively, to control the first driving motor 17 and the second driving motor 18 to drive the first cross flow impeller 11 and the second cross flow impeller 12 to rotate, respectively.
As can be easily seen in fig. 4 and 5, the rotation direction ω 1 of the first cross-flow impeller 11 is opposite to the rotation direction ω 2 of the second cross-flow impeller 12, air outside the fan can be drawn through the through-hole 4 by the air flows emitted from the first air outlet 5 and the second air outlet 6, and the air flows emitted from the first air outlet 5 and the second air outlet 6 are substantially the same as the positive direction of the axis X.
Fig. 7 shows a schematic view of another alternative construction of the locking device of fig. 2. As can be seen from fig. 7, the locking device 9 includes a button 91, a link 92, a latch 93, and an elastic member 94, wherein both ends of the link 92 are fixed to the latch 93 and the button 91, respectively, and the elastic member 94 is disposed on the link 92. When the button 91 of the locking device 9 is rotated, the latch 93 thereof is also rotated, i.e. the unlocking or locking can be realized by the rotation of the button 91, which is different from the working principle of the locking device shown in fig. 6, in which fig. 6, the locking device 9 is operated by the up-and-down movement of the button.
Fig. 8 is a rear view of a fan according to another embodiment of the present invention. As is readily apparent from fig. 8, the fan of this embodiment is very similar to the fan of the first embodiment, except for the housing of the removable portion provided on the housing 3. In this embodiment, the rear case 32 includes a second detachable case 34 having the first air inlet 7 and a third detachable case 35 having the second air inlet 8, that is, two detachable cases (the second case 34 and the third case 35) are provided on the rear case, so that the second case 34 and the third case 35 can be detached separately, which is advantageous for selection or flexible use.
While there have been shown and described what are at present considered to be the preferred embodiments of the invention, it will be obvious to those skilled in the art that various changes and modifications can be made therein without departing from the scope of the invention as defined by the appended claims.
Claims (10)
1. A fan comprising a housing having a first air inlet, a second air inlet, a first air outlet and a second air outlet, and a first and a second impeller located within the housing, the housing defining a through-bore through which air from outside the fan can be drawn by an airflow emitted from the first and second air outlets, characterised in that the fan further comprises a first filter, a second filter, a first uv lamp and a second uv lamp disposed within the housing; the first filter and the second filter are respectively positioned at the downstream of the first air inlet and the second air inlet, and the first ultraviolet lamp and the second ultraviolet lamp are respectively positioned at the downstream of the first filter and the second filter; the first filter is used for filtering airflow entering from the first air inlet and blocking light emitted by the first ultraviolet lamp from directly passing through the first air inlet to emit outwards, the second filter is used for filtering airflow entering from the second air inlet and blocking light emitted by the second ultraviolet lamp from directly passing through the second air inlet to emit outwards, the first ultraviolet lamp is used for disinfecting the airflow filtered by the first filter, and the second ultraviolet lamp is used for disinfecting the airflow filtered by the first filter; the first filter and the first ultraviolet lamp are both located upstream of the first cross-flow impeller, and the second filter and the second ultraviolet lamp are both located upstream of the second cross-flow impeller.
2. The fan of claim 1, further comprising a first volute and a first volute tongue disposed within the housing adjacent the first cross-flow impeller, and a second volute tongue disposed adjacent the second cross-flow impeller, wherein the first ultraviolet lamp is adjacent the first volute and the second ultraviolet lamp is adjacent the second volute, and wherein the first volute blocks at least a portion of light emitted by the first ultraviolet lamp from exiting directly through the first air outlet and the second volute blocks at least a portion of light emitted by the second ultraviolet lamp from exiting directly through the second air outlet.
3. The fan as claimed in claim 1 or 2, wherein the housing comprises a first housing having a first air inlet and a second air inlet, which are detachable.
4. The fan as claimed in claim 1 or 2, wherein the housing comprises a first housing having a first air inlet and a second air inlet, wherein the first filter and the second filter are fixed to the first housing.
5. The fan of claim 1 or 2, wherein the housing comprises a first removable housing having a first air inlet and a second air inlet, one of the first housing and the first filter comprising a bayonet catch, the other of the first housing and the first filter comprising a bayonet catch mating with the bayonet catch, and the second filter comprising a bayonet catch or a bayonet catch identical to the first filter, wherein both the first filter and the second filter can be secured to the first housing by extending the bayonet catch into the bayonet catch and can be separated from the first housing by removing the bayonet catch from the bayonet catch.
6. The fan as claimed in claim 1 or 2, wherein the housing comprises a first housing having a first air inlet and a second air inlet; the fan further comprises a locking device, wherein the locking device comprises a button capable of moving in the up-and-down direction, and when the button moves in the up-and-down direction, the first shell can move in the front-and-back direction relative to other parts of the shell.
7. The fan as claimed in claim 1 or 2, wherein the housing comprises a first housing having a first air inlet and a second air inlet; the fan further comprises a locking device, wherein the locking device comprises a button capable of rotating, and when the button rotates, the first shell can move in the front-back direction relative to other parts of the shell.
8. The fan as claimed in claim 1 or 2, wherein the housing comprises a first housing having a first air inlet and a second air inlet; the fan also comprises a locking device, wherein the locking device comprises a bolt, an elastic element and a button connected with the bolt; when the button is not acted by external force, the bolt is positioned at a position which can prevent the first shell from moving in the front-back direction relative to other parts of the shell; when the button is subjected to external force and displaced, the latch can be in a position of not blocking the forward and backward movement of the first shell relative to the other parts of the shell.
9. The fan as claimed in claim 1 or 2, wherein the housing comprises a second removable housing having the first air inlet and a third removable housing having the second air inlet, wherein the first filter and the second filter are fixed to the second housing and the third housing, respectively.
10. The fan as claimed in claim 1 or 2, wherein the housing comprises a detachable second case having a first air inlet and a detachable third case having a second air inlet; one of the second shell and the first filter comprises a clamping groove, the other of the second shell and the first filter comprises a clamping piece matched with the clamping groove, and the first filter can be fixed with the second shell by extending the clamping piece into the clamping groove or separated from the second shell by separating the clamping piece from the clamping groove; one of the third shell and the second filter comprises a clamping groove, the other of the third shell and the second filter comprises a clamping piece matched with the clamping groove, the second filter can be fixed with the third shell by enabling the clamping piece to extend into the clamping groove, and the clamping piece can be separated from the third shell by enabling the clamping piece to leave the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228473.8U CN212376902U (en) | 2020-02-28 | 2020-02-28 | Fan with cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020228473.8U CN212376902U (en) | 2020-02-28 | 2020-02-28 | Fan with cooling device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212376902U true CN212376902U (en) | 2021-01-19 |
Family
ID=74157623
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020228473.8U Expired - Fee Related CN212376902U (en) | 2020-02-28 | 2020-02-28 | Fan with cooling device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212376902U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658438A (en) * | 2020-02-28 | 2023-08-29 | 许彐琼 | Fan with fan body |
-
2020
- 2020-02-28 CN CN202020228473.8U patent/CN212376902U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116658438A (en) * | 2020-02-28 | 2023-08-29 | 许彐琼 | Fan with fan body |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210119 |
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| CF01 | Termination of patent right due to non-payment of annual fee |