CN220470299U - Heat dissipation fan protection casing convenient to dismouting - Google Patents
Heat dissipation fan protection casing convenient to dismouting Download PDFInfo
- Publication number
- CN220470299U CN220470299U CN202322182467.XU CN202322182467U CN220470299U CN 220470299 U CN220470299 U CN 220470299U CN 202322182467 U CN202322182467 U CN 202322182467U CN 220470299 U CN220470299 U CN 220470299U
- Authority
- CN
- China
- Prior art keywords
- groove
- fixedly connected
- wall
- rotation
- convenient
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 230000017525 heat dissipation Effects 0.000 title claims description 15
- 238000009434 installation Methods 0.000 claims abstract description 25
- 238000013016 damping Methods 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 230000008878 coupling Effects 0.000 claims abstract 3
- 238000010168 coupling process Methods 0.000 claims abstract 3
- 238000005859 coupling reaction Methods 0.000 claims abstract 3
- 230000005855 radiation Effects 0.000 abstract description 11
- 230000001681 protective effect Effects 0.000 description 30
- 239000000428 dust Substances 0.000 description 6
- 239000012535 impurity Substances 0.000 description 5
- 239000003921 oil Substances 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010705 motor oil Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a heat radiation fan protection cover convenient to disassemble and assemble, which comprises a machine shell, wherein a fan is rotationally connected in the machine shell, sliding grooves are fixedly connected on side walls of two sides of the machine shell, an installation plate is connected on the inner wall of each sliding groove in a sliding manner, an installation groove is fixedly connected on one side of the installation plate, a fixing groove is rotationally connected on one side of the installation groove, and a clamping groove is formed in the inner bottom wall of the installation plate. This cooling fan protection casing convenient to dismouting, through the setting of draw-in groove, fixed slot and mounting groove, rotate the inner wall that the knob drove the installation pole at the recess outwards remove, shift out the fixed lantern ring from the surface of bracing piece through the flexible coupling area and rotate the overlap piece simultaneously and make it rotate at the surface of dwang through the damping pivot, thereby the fixed slot is not fixed in one side of spout, then rotate the fixed slot and can drive its rotation and expose the protection casing of inner wall, then with the protection casing take out from the inner wall of draw-in groove can, and then be convenient for install alone and dismantle damaged protection casing.
Description
Technical Field
The utility model relates to the technical field of heat dissipation fans, in particular to a heat dissipation fan protective cover convenient to disassemble and assemble.
Background
Fans are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air induction of boilers and industrial furnaces; cooling and ventilation in air-conditioning devices and household appliances; the grain drying and selecting, the inflating and propelling of wind tunnel wind source and air cushion ship, etc. the heat dissipating fan belongs to one of fans, and is mainly used in heat dissipating work and is used in some high heat generating equipment. When the existing heat radiation fan works for a long time or some foreign matters are blocked, the fan is likely to be blocked, the service life of the heat radiation fan is not only influenced, but also the work of the heat radiation fan is influenced.
According to the utility model, through arranging a front protective cover and a rear protective cover on the front and the back of a shell respectively, sundries can be prevented from entering the inside of an installation chamber, the effect of safety protection on the installation chamber is achieved, through arranging a cutter on the side face of a connecting shaft, foreign matters which enter the installation chamber and are wound on the connecting shaft can be cut up, the foreign matters are prevented from blocking the device, the device is protected, an oil conveying pipe is arranged in a machine case, and two oil conveying grooves are arranged on the surface of a transmission rod in a matched manner, engine oil can be directly conveyed into an oil conveying groove of the transmission rod through the oil conveying pipe during maintenance, and is transmitted to a ZYT direct current motor and the connecting shaft through the oil conveying groove, so that the device is maintained, and the service life of the device is prolonged.
However, the device has certain defects when in use: the protection casing is fixed mounting when just can one side, but the protection casing can receive the influence of external condition to appear damaged when using, perhaps the artificial condition protection casing can receive the destruction, thereby need dismantle the protection casing and change, and thereby the radiating effect of fan can be piled up dust or impurity on its surface when using, need dismantle the protection casing and wash its surface, but the above-mentioned device is inconvenient because thereby be inconvenient to dismantle the protection casing and wash or change, use inconvenient, thereby need design a be convenient for dismantle the protection casing installation and the radiating fan protection casing of the dismouting of being convenient for of change, therefore it is very necessary to design a radiating fan protection casing of being convenient for the dismouting.
Disclosure of Invention
The utility model mainly aims to provide a heat radiation fan protective cover convenient to assemble and disassemble, which can effectively solve the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:
the utility model provides a cooling fan protection casing convenient to dismouting, includes the casing, the inside rotation of casing is connected with the fan, the equal fixedly connected with spout of both sides lateral wall of casing, the inner wall sliding connection of spout has the mounting panel, one side fixedly connected with mounting panel, one side rotation of mounting panel is connected with the fixed slot, the draw-in groove has been seted up to the interior bottom wall of mounting panel, the joint has the protection casing between draw-in groove, fixed slot and the mounting groove, the dwang has been set firmly to one side symmetry of fixed slot, the surface symmetry rotation of dwang is connected with the damping pivot; fixedly connected with overlap joint piece between the damping pivot, the dwang runs through in overlap joint piece and is rotation connection with the overlap joint piece, one side fixedly connected with overlap joint groove that the spout is close to the overlap joint piece, one side fixedly connected with bracing piece in overlap joint groove, surface fixedly connected with flexible connection area on one side that the overlap joint piece is close to the bracing piece, one side fixedly connected with fixed collar in flexible connection area, one side of bracing piece is seted up flutedly, the inner wall threaded connection of recess has the installation pole, one side fixedly connected with turn button of installation pole.
In order to achieve the purpose of facilitating rotation of the rotary button, as the heat radiation fan protection cover convenient to assemble and disassemble, the outer surface of the rotary button is fixedly connected with the first anti-slip convex blocks in an annular array mode.
In order to achieve the purpose of rotating the fixed groove to facilitate the installation of the protective cover, the utility model provides the radiating fan protective cover convenient to assemble and disassemble, wherein a first rotating groove is formed on one side of the mounting plate close to the fixed groove, a second rotating groove is formed on the inner wall of the first rotating groove, a rotating shaft is fixedly connected to the inner wall of the second rotating groove, a rotating sleeve is rotationally connected to the outer surface of the rotating shaft, the rotating sleeve is rotationally connected to the inner wall of the first rotating groove, and the rotating sleeve penetrates through the mounting groove and is fixedly connected to one side of the fixed groove.
In order to achieve the purpose of fixing the mounting plate on the inner wall of the chute, the heat radiation fan protection cover convenient to assemble and disassemble is characterized in that threaded holes are symmetrically formed in two sides of the mounting plate, the inner wall of each threaded hole is rotatably connected with a screw, and the screw penetrates through one side of the chute and is in threaded connection with the chute.
In order to achieve the purpose of facilitating rotation of the screw, the heat radiation fan protection cover is convenient to disassemble and assemble, and one side of the screw is fixedly connected with a knob.
In order to achieve the purpose of facilitating rotation of a knob, as the cooling fan protection cover convenient to assemble and disassemble, the outer surface of the knob is fixedly connected with the second anti-skid convex blocks in a ring array mode.
In order to achieve the purpose of driving a fan to rotate and achieving heat dissipation, the heat dissipation fan protection cover convenient to assemble and disassemble is characterized in that a connecting plate is fixedly connected to one side of the inner wall of a shell, a motor is fixedly connected to one side of the connecting plate, a rotating shaft is fixedly connected to the output end of the motor, and the fan is fixedly connected to the outer surface of the rotating shaft.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, through the arrangement of the lap joint block, the clamping groove, the fixing groove and the mounting groove, the rotary knob drives the mounting rod to move outwards on the inner wall of the groove without fixing the fixing sleeve ring, then the fixing sleeve ring is moved out of the outer surface of the supporting rod through the soft connecting belt, and meanwhile, the lap joint block is rotated to enable the fixing sleeve ring to rotate on the outer surface of the rotary rod through the damping rotating shaft, so that the fixing groove is not fixed on one side of the sliding groove, then the fixing groove is rotated to drive the fixing groove to rotate and expose the protective cover of the inner wall, and then the protective cover is taken out from the inner wall of the clamping groove, so that the protective cover which is damaged is convenient to independently install and detach.
2. According to the utility model, through the arrangement of the screw rod and the threaded hole, when dust or impurities accumulated on the protective cover excessively influence the heat dissipation of the fan and the dust or impurities on the surface of the fan need to be disassembled for cleaning, the knob is rotated to drive the screw rod to rotate outwards at the inner wall of the threaded hole, so that the mounting plate is not fixed on the inner wall of the chute any more, then the mounting plate is directly moved upwards from the inner wall of the chute to drive the protective cover to be moved out, and then the whole protective cover can be disassembled from the inner wall of the chute to clean the surface of the protective cover, the disassembly mode of the protective cover on the other side of the protective cover is consistent, and the disassembly and the assembly are more convenient.
Drawings
FIG. 1 is a schematic diagram of a front view of an embodiment of the present utility model;
FIG. 2 is a schematic view of a overlapped block according to an embodiment of the present utility model;
FIG. 3 is a schematic view of a rotating shaft according to an embodiment of the present utility model;
FIG. 4 is a schematic view of a chute according to an embodiment of the present utility model;
FIG. 5 is a schematic view of a knob according to an embodiment of the utility model;
FIG. 6 is a schematic view of a protective cover according to an embodiment of the present utility model;
fig. 7 is a schematic diagram of a motor structure according to an embodiment of the present utility model.
In the figure: 1. a housing; 2. a fan; 3. a chute; 4. a mounting plate; 5. a mounting groove; 6. a fixing groove; 7. a clamping groove; 8. a protective cover; 9. a rotating lever; 10. damping the rotating shaft; 11. a splicing block; 12. a lap joint groove; 13. a support rod; 14. a flexible connecting belt; 15. a fixed collar; 16. a groove; 17. a mounting rod; 18. a rotary knob; 19. a first anti-slip bump; 20. a first rotating groove; 21. a second rotating groove; 22. a rotating shaft; 23. rotating the sleeve; 24. a threaded hole; 25. a screw; 26. a knob; 27. the second anti-slip convex block; 28. a connecting plate; 29. a motor; 30. a rotating shaft.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
As shown in fig. 1-7, a heat dissipation fan protection cover convenient to disassemble and assemble comprises a machine shell 1, wherein a fan 2 is rotationally connected in the machine shell 1, sliding grooves 3 are fixedly connected to side walls of two sides of the machine shell 1, an installation plate 4 is slidingly connected to the inner wall of the sliding grooves 3, an installation groove 5 is fixedly connected to one side of the installation plate 4, a fixing groove 6 is rotationally connected to one side of the installation groove 5, a clamping groove 7 is formed in the inner bottom wall of the installation plate 4, a protection cover 8 is clamped between the clamping groove 7, the fixing groove 6 and the installation groove 5, rotating rods 9 are symmetrically and fixedly arranged on one side of the fixing groove 6, and damping rotating shafts 10 are symmetrically rotationally connected to the outer surfaces of the rotating rods 9;
in this embodiment, a lap joint block 11 is fixedly connected between damping rotating shafts 10, a rotating rod 9 penetrates through the lap joint block 11 and is in rotating connection with the lap joint block 11, a lap joint groove 12 is fixedly connected to one side of a sliding groove 3 close to the lap joint block 11, a supporting rod 13 is fixedly connected to one side of the lap joint groove 12, a soft connecting belt 14 is fixedly connected to the upper surface of one side of the lap joint block 11 close to the supporting rod 13, a fixing collar 15 is fixedly connected to one side of the soft connecting belt 14, a groove 16 is formed in one side of the supporting rod 13, an installation rod 17 is connected to the inner wall of the groove 16 in a threaded manner, and a rotating button 18 is fixedly connected to one side of the installation rod 17.
When the heat radiation fan is specifically used, when the heat radiation fan is subjected to external conditions or is damaged by people, the protection cover 8 can be damaged, the protection cover 8 needs to be replaced, most of protection covers 8 of the existing heat radiation fan are not convenient to install and detach and replace, when the damaged protection cover 8 needs to be replaced, the rotation knob 18 drives the installation rod 17 to move outwards on the inner wall of the groove 16 and not to fix the fixing sleeve ring 15, then the fixing sleeve ring 15 is moved out of the outer surface of the supporting rod 13 through the flexible connecting belt 14, and meanwhile, the joint block 11 is rotated to enable the fixing sleeve ring 15 to rotate on the outer surface of the rotating rod 9 through the damping rotating shaft 10, so that the fixing groove 6 is not fixed on one side of the sliding groove 3, then the fixing groove 6 is rotated to drive the fixing groove to rotate and expose the protection cover 8 on the inner wall, and then the protection cover 8 is taken out of the inner wall of the clamping groove 7, and the damaged protection cover 8 is convenient to independently install and detach.
In this embodiment, the outer surface of the knob 18 is fixedly connected with the first anti-slip bump 19 in an annular array.
In particular use, the first anti-slip bump 19 is installed, so that friction force can be increased to play a role of anti-slip, and rotation of the knob 18 is facilitated.
In this embodiment, a first rotating groove 20 is formed on one side of the mounting plate 4, which is close to the fixed groove 6, a second rotating groove 21 is formed on the inner wall of the first rotating groove 20, a rotating shaft 22 is fixedly connected to the inner wall of the second rotating groove 21, a rotating sleeve 23 is rotatably connected to the outer surface of the rotating shaft 22, the rotating sleeve 23 is rotatably connected to the inner wall of the first rotating groove 20, and the rotating sleeve 23 penetrates through the mounting groove 5 and is fixedly connected to one side of the fixed groove 6.
During specific use, through the setting of first rotary tank 20, second rotary tank 21, axis of rotation 22, rotation sleeve 23, when needs installation protection casing 8, rotate fixed slot 6 and drive it through rotating sleeve 23 and axis of rotation 22 in one side of mounting groove 5 to and the inner wall rotation of mounting panel 4, thereby butt one side of protection casing 8 is in one side of mounting groove 5 and the lower extreme peg graft at the inner wall of draw-in groove 7, and then fix protection casing 8 between draw-in groove 7, fixed slot 6 and mounting groove 5, again rotate fixed slot 6 and can install protection casing 8 fixedly, thereby can be convenient for install protection casing 8 alone when protection casing 8 is damaged.
In this embodiment, threaded holes 24 are symmetrically formed on two sides of the mounting plate 4, and a screw 25 is rotatably connected to an inner wall of the threaded hole 24, and the screw 25 penetrates through one side of the chute 3 and is in threaded connection with the chute 3.
When the screw is specifically used, the threaded hole 24 and the screw 25 are arranged, so that the screw 25 can be rotated to drive the screw to rotate on the inner wall of the threaded hole 24, and the mounting plate 4 is convenient to detach and mount.
In this embodiment, a knob 26 is fixedly connected to one side of the screw 25.
In specific use, the setting knob 26 is installed, so that the screw 25 can be driven to rotate by rotating the knob 26.
In this embodiment, the outer surface of the knob 26 is fixedly connected with second cleats 27 in an annular array.
In specific use, the second anti-slip bump 27 is installed, so that the friction force increasing anti-slip effect can be achieved, and the knob 26 can be turned conveniently.
In this embodiment, a connecting plate 28 is fixedly connected to one side of the inner wall of the casing 1, a motor 29 is fixedly connected to one side of the connecting plate 28, a rotating shaft 30 is fixedly connected to the output end of the motor 29, and the fan 2 is fixedly connected to the outer surface of the rotating shaft 30.
When the fan is particularly used, the motor 29 is started to drive the fan 2 to rotate through the rotating shaft 30 by virtue of the arrangement of the motor 29, the rotating shaft 30 and the fan 2, so that the aim of heat dissipation can be achieved.
Working principle: in use, when the dust or impurity accumulated on the protective cover 8 influences the heat dissipation of the fan 2 too much, the fan 2 needs to be disassembled to wash the dust or impurity on the surface of the fan, the rotary knob 26 drives the screw 25 to rotate outwards at the inner wall of the threaded hole 24, so that the mounting plate 4 is not fixed on the inner wall of the chute 3 any more, then the mounting plate 4 is directly moved upwards from the inner wall of the chute 3 to drive the protective cover 8 to move out, further the whole protective cover 8 can be disassembled from the inner wall of the chute 3 to wash the surface of the protective cover 8, the disassembly mode of the protective cover 8 on the other side is consistent, the disassembly and the cleaning are convenient, the protective cover 8 can be damaged when the external condition is received or the protective cover 8 is damaged by people, so that the protective cover 8 needs to be replaced, most of the existing heat dissipation fans are inconvenient to install and disassemble the protective cover 8 fixedly mounted on the shell 1, when the damaged protective cover 8 needs to be replaced, the rotary knob 18 drives the mounting rod 17 to move outwards at the inner wall of the groove 16 to fix the sleeve ring 15, then the sleeve 15 is moved out from the outer surface of the support rod 13 through the soft connecting belt 14, and the rotary joint block 11 is simultaneously moved out from the outer surface of the support rod 13 to enable the protective cover 8 to be cleaned through the rotary shaft 10 to be fixed on the outer surface of the rotary rod 9, so that the protective cover 8 can be fixed on the inner wall 6 and then fixed on the inner wall 6 is fixed on the inner wall 6 and is removed, and the inner wall 7 is removed, which is convenient to be independently removed, and the protective cover 8 is convenient to be disassembled.
The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides a cooling fan protection casing convenient to dismouting, includes casing (1), its characterized in that: the inside rotation of casing (1) is connected with fan (2), the equal fixedly connected with spout (3) of both sides lateral wall of casing (1), the inner wall sliding connection of spout (3) has mounting panel (4), one side fixedly connected with mounting panel (4) mounting groove (5), one side rotation of mounting groove (5) is connected with fixed slot (6), draw-in groove (7) have been seted up to the interior bottom wall of mounting panel (4), joint has protection casing (8) between draw-in groove (7), fixed slot (6) and mounting groove (5), one side symmetry of fixed slot (6) has set firmly dwang (9), the surface symmetry rotation of dwang (9) is connected with damping pivot (10);
fixedly connected with overlap joint piece (11) between damping pivot (10), dwang (9) run through overlap joint piece (11) and are rotation connection with overlap joint piece (11), one side fixedly connected with overlap joint groove (12) that spout (3) are close to overlap joint piece (11), one side fixedly connected with bracing piece (13) of overlap joint groove (12), one side upper surface fixedly connected with flexible coupling area (14) that overlap joint piece (11) is close to bracing piece (13), one side fixedly connected with fixed collar (15) of flexible coupling area (14), fluted (16) are seted up to one side of bracing piece (13), inner wall threaded connection of fluted (16) has installation pole (17), one side fixedly connected with turn button (18) of installation pole (17).
2. The heat dissipation fan protection cover convenient to disassemble and assemble according to claim 1, wherein: the outer surface of the rotary button (18) is fixedly connected with a first anti-slip convex block (19) in a ring array mode.
3. The heat dissipation fan protection cover convenient to disassemble and assemble according to claim 1, wherein: the mounting plate (4) is close to one side of fixed slot (6) and has seted up first rotation groove (20), second rotation groove (21) have been seted up to the inner wall of first rotation groove (20), the inner wall fixedly connected with axis of rotation (22) of second rotation groove (21), the surface rotation of axis of rotation (22) is connected with rotation sleeve (23), rotation sleeve (23) rotate and connect the inner wall in first rotation groove (20), rotation sleeve (23) run through in mounting groove (5) and one side of fixed slot (6) fixedly connected with.
4. The heat dissipation fan protection cover convenient to disassemble and assemble according to claim 1, wherein: threaded holes (24) are symmetrically formed in two sides of the mounting plate (4), a screw rod (25) is rotatably connected to the inner wall of the threaded hole (24), and the screw rod (25) penetrates through one side of the sliding groove (3) and is in threaded connection with the sliding groove (3).
5. The cooling fan protection cover convenient to disassemble and assemble according to claim 4, wherein: one side of the screw rod (25) is fixedly connected with a knob (26).
6. The cooling fan protection cover convenient to disassemble and assemble according to claim 5, wherein: the outer surface of the knob (26) is fixedly connected with second anti-slip convex blocks (27) in a ring-shaped array mode.
7. The heat dissipation fan protection cover convenient to disassemble and assemble according to claim 1, wherein: one side fixedly connected with connecting plate (28) of casing (1) inner wall, one side fixedly connected with motor (29) of connecting plate (28), the output fixedly connected with pivot (30) of motor (29), fan (2) fixed connection is at the surface of pivot (30).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182467.XU CN220470299U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation fan protection casing convenient to dismouting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322182467.XU CN220470299U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation fan protection casing convenient to dismouting |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220470299U true CN220470299U (en) | 2024-02-09 |
Family
ID=89777678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322182467.XU Active CN220470299U (en) | 2023-08-15 | 2023-08-15 | Heat dissipation fan protection casing convenient to dismouting |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220470299U (en) |
-
2023
- 2023-08-15 CN CN202322182467.XU patent/CN220470299U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN212672119U (en) | Anti-blocking centrifugal fan | |
| CN219012901U (en) | Centrifugal fan convenient to dismantle | |
| CN109268291A (en) | A kind of heat radiation cooling device of blower | |
| CN220470299U (en) | Heat dissipation fan protection casing convenient to dismouting | |
| CN111828376B (en) | Centrifugal fan impeller | |
| CN117231526A (en) | Efficient centrifugal fan | |
| CN111779694A (en) | Fan with prevent blockking up function | |
| CN215980016U (en) | Long service life's type of making an uproar centrifugal fan falls | |
| CN210738953U (en) | Centrifugal fan with dustproof construction | |
| CN209838767U (en) | Fan subassembly convenient to clearance is overhauld | |
| CN211648504U (en) | Novel centrifugal fan | |
| CN211397957U (en) | Energy-saving high-pressure centrifugal fan | |
| CN209976842U (en) | Negative pressure sealing device for centrifugal fan | |
| CN210106242U (en) | Impeller mechanism of parallel centrifugal fans | |
| CN217380941U (en) | High-efficient centrifugal fan of low noise convenient to installation is dismantled | |
| CN220337150U (en) | Pneumatic blade swinging device | |
| CN218760514U (en) | Novel fan with filtering function | |
| CN212155210U (en) | High-efficiency outer rotor centrifugal fan | |
| CN204402935U (en) | Motor with air cooling direct connection boiler induced-draft fan | |
| CN219299624U (en) | Fan housing convenient to installation | |
| CN216199146U (en) | Air duct structure of centrifugal fan | |
| CN213655200U (en) | High molecular weight dispersant production is with diffusing explosion-proof draught fan | |
| CN114285208B (en) | Anti-scaling brushless motor | |
| CN220890520U (en) | Integrated injection molding centrifugal fan | |
| CN212272645U (en) | Cabinet type centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |