CN219865506U - Controllable formula centrifugal fan of wind pressure - Google Patents
Controllable formula centrifugal fan of wind pressure Download PDFInfo
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- CN219865506U CN219865506U CN202320832413.0U CN202320832413U CN219865506U CN 219865506 U CN219865506 U CN 219865506U CN 202320832413 U CN202320832413 U CN 202320832413U CN 219865506 U CN219865506 U CN 219865506U
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- centrifugal fan
- fixedly connected
- bottom plate
- fan body
- wind pressure
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- 230000007246 mechanism Effects 0.000 claims abstract description 21
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- 230000008859 change Effects 0.000 abstract description 6
- 235000017166 Bambusa arundinacea Nutrition 0.000 abstract description 5
- 235000017491 Bambusa tulda Nutrition 0.000 abstract description 5
- 241001330002 Bambuseae Species 0.000 abstract description 5
- 235000015334 Phyllostachys viridis Nutrition 0.000 abstract description 5
- 239000011425 bamboo Substances 0.000 abstract description 5
- 238000013016 damping Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 238000006467 substitution reaction Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of centrifugal fans, and discloses a wind pressure controllable centrifugal fan, which comprises a bottom plate, wherein the upper surface of the bottom plate is fixedly connected with a centrifugal fan body, one side of the upper surface of the bottom plate is provided with a driving mechanism, one side of the centrifugal fan body is provided with a control mechanism, the upper surface of the bottom plate is provided with a limiting assembly close to the centrifugal fan body, and the control mechanism comprises a fixed plate fixedly connected with one side of the centrifugal fan body. This controllable formula centrifugal fan of wind pressure, through actuating mechanism, control mechanism, spacing subassembly and spring assembly isotructure setting, at centrifugal fan body during operation, wind gets into centrifugal fan body's inside by the hole groove, thereby discharge wind, when needs change wind pressure, rotate the screw thread section of thick bamboo, make it no longer carry out spacingly to the hollow knob, rotate the hollow knob, make it drive annular cover and baffle rotation, thereby change the size of hole groove, change the entering of amount of wind, thereby adjust the wind pressure.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a wind pressure-controllable centrifugal fan.
Background
The centrifugal fan is a machine which increases the pressure of gas and discharges the gas by means of input mechanical energy, is a driven fluid machine, and is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and induced draft of boilers and industrial kilns; cooling and ventilation in air-conditioning devices and household appliances; drying and selecting grains; inflation and propulsion of wind tunnel wind source and air cushion ship, etc.
Through searching, chinese patent No. CN212838534U discloses a noise reduction type centrifugal fan, comprising: centrifugal fan body, base, roof, backup pad, gyro wheel, damping device, the backup pad is vertical to be installed on the base, and the roof is installed at the top of backup pad, and the roof passes through the backup pad to be installed in the base top, and the gyro wheel has a plurality of sides of installing in the backup pad, and centrifugal fan body is installed in the base top and centrifugal fan body is located between base and the roof, damping device install centrifugal fan body with between the base. The side of the supporting plate is provided with the plurality of rollers, and the device is supported on the ground through the rollers after being placed sideways, so that the device is convenient to move; simultaneously the utility model discloses install damping device between centrifugal fan body and bottom plate, reduce the vibrations that centrifugal fan during operation produced, noise reduction.
However, the prior art has the following disadvantages:
in the use process of the patent, though the damping can be carried out on the centrifugal fan, the centrifugal fan cannot adjust the wind pressure and the wind quantity, and when part of the centrifugal fan works, different wind pressures are required to be adjusted for working, so that most of the centrifugal fan cannot adapt to different working requirements, and the adaptability of the centrifugal fan is poor.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a centrifugal fan with controllable wind pressure, which solves the problems that part of centrifugal fans provided in the background art cannot adjust wind pressure and wind quantity, so that the centrifugal fan cannot adapt to different working requirements and has poor adaptability.
(II) technical scheme
In order to achieve the above purpose, the utility model is realized by the following technical scheme: the utility model provides a controllable centrifugal fan of wind pressure, includes the bottom plate, the upper surface fixedly connected with centrifugal fan body of bottom plate, actuating mechanism is installed to one side of bottom plate upper surface, control mechanism is installed to one side of centrifugal fan body, the upper surface of bottom plate is close to the centrifugal fan body and installs spacing subassembly;
the control mechanism comprises a fixed plate fixedly connected with one side of the centrifugal fan body, the surface of the fixed plate is provided with holes in an annular array distribution, the surface of the fixed plate is movably connected with baffles corresponding to the fixed plate, the number of the baffles is a plurality of the baffles, one sides of the baffles are fixedly connected with L-shaped columns, one ends of the L-shaped columns are fixedly connected with annular sleeves together, one sides of the annular sleeves are fixedly connected with hollow knobs, and one ends of the hollow knobs are fixedly connected with supporting plates.
Optionally, actuating mechanism includes fixed connection in the driving motor of bottom plate upper surface, driving motor's lower surface fixedly connected with L template, driving motor's output fixedly connected with dwang, the surface of dwang is connected with the dwang through belt transmission, the surface fixedly connected with impeller of dwang.
Optionally, a plurality of baffle and hole groove one-to-one, fixed plate and centrifugal fan body looks adaptation, backup pad and bottom plate fixed connection, L template and bottom plate fixed connection, the one end of dwang passes through bearing swing joint in the surface of L template.
Optionally, one end of the driving rod penetrates through the surface of the centrifugal fan body and is movably connected to the supporting plate, the impeller corresponds to the fixing plate, and the hollow knob and the annular sleeve are sleeved on the surface of the driving rod.
Optionally, spacing subassembly includes fixed connection in the arc stopper on backup pad surface, arc stopper and cavity knob laminate mutually, spacing subassembly still includes fixed connection in the threaded rod of bottom plate upper surface, the surface threaded connection of threaded rod has a screw thread section of thick bamboo, the one end and the cavity knob of screw thread section of thick bamboo laminate mutually, the fixed surface of screw thread section of thick bamboo is connected with the swivel becket.
Optionally, the surface fixedly connected with spring assembly of centrifugal fan body, the quantity of spring assembly is four, four spring assembly's one end is rectangular array fixed connection in the upper surface of bottom plate, four spring assembly's the other end fixed connection in the four corners department of centrifugal fan body.
(III) beneficial effects
The utility model provides a wind pressure controllable centrifugal fan, which has the following beneficial effects:
this controllable formula centrifugal fan of wind pressure, through centrifugal fan body, actuating mechanism, control mechanism, spacing subassembly and spring assembly isotructure's setting, at centrifugal fan body during operation, wind gets into centrifugal fan body's inside by the hole groove, thereby discharge wind, when needs change the wind pressure, rotate the screw thread section of thick bamboo, make it no longer spacing to the hollow knob, rotate the hollow knob, make it drive annular sleeve and baffle rotation, thereby change the size of hole groove, change the entering of amount of wind, thereby adjust the wind pressure, and through spring assembly's setting, buffer the vibrations that produce in the centrifugal fan work, thereby make it reduce vibrations, reduce noise, make centrifugal fan can adjust different wind pressures and work at the during operation, thereby make centrifugal fan can adapt to different work demands, thereby improve centrifugal fan adaptability.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a second view angle structure according to the present utility model;
FIG. 3 is a schematic view of a portion of the structure of the present utility model;
FIG. 4 is a schematic diagram of the structure of the partial position relationship between the control mechanism and the driving mechanism according to the present utility model;
fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.
In the figure: 1. a bottom plate; 2. a centrifugal fan body; 3. a fixing plate; 4. a hole groove; 5. a baffle; 6. an L-shaped column; 7. a hollow knob; 8. an annular sleeve; 9. a support plate; 10. a driving motor; 11. a driving rod; 12. a rotating lever; 13. an impeller; 14. an arc-shaped limiting block; 15. a threaded rod; 16. a thread cylinder; 17. a rotating ring; 18. and a spring assembly.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. 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.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a controllable formula centrifugal fan of wind pressure, including bottom plate 1, the upper surface fixedly connected with centrifugal fan body 2 of bottom plate 1, actuating mechanism is installed to one side of bottom plate 1 upper surface, actuating mechanism includes driving motor 10 fixedly connected with bottom plate 1 upper surface, driving motor 10's lower surface fixedly connected with L template, driving motor 10's output fixedly connected with dwang 12, dwang 12's surface is connected with dwang 11 through belt drive, dwang 11's surface fixedly connected with impeller 13, start driving motor 10, make its output drive dwang 11 and dwang 12 rotate, thereby make impeller 13 synchronous rotation, make centrifugal fan body 2 begin to work, one side of centrifugal fan body 2 installs control mechanism, control mechanism includes fixed plate 3 of fixed connection and centrifugal fan body 2 one side, the surface of fixed plate 3 is annular array and distributes hole groove 4, the surface swing joint of fixed plate 3 has baffle 5 that corresponds with fixed plate 3, the quantity of baffle 5 is a plurality of, a plurality of baffle 5 and hole groove 4 one-to-one correspondence, fixed plate 3 and centrifugal fan body 2 looks adaptation, backup pad 9 and bottom plate 1 are fixedly connected with bottom plate 1;
one end of a rotating rod 12 is movably connected to the surface of the L-shaped plate through a bearing, one side of each baffle 5 is fixedly connected with an L-shaped column 6, one end of each L-shaped column 6 is fixedly connected with an annular sleeve 8, one side of each annular sleeve 8 is fixedly connected with a hollow knob 7, one end of each hollow knob 7 is fixedly connected with a supporting plate 9, the hollow knob 7 is rotated to drive the L-shaped column 6 to rotate, so that the baffle 5 synchronously rotates, the baffle 5 covers a hole groove 4, a limiting component is arranged on the upper surface of the bottom plate 1 close to the centrifugal fan body 2 and comprises an arc limiting block 14 fixedly connected to the surface of the supporting plate 9, the arc limiting block 14 is attached to the hollow knob 7, the limiting component also comprises a threaded rod 15 fixedly connected to the upper surface of the bottom plate 1, a threaded cylinder 16 is connected to the surface of each threaded rod 15 in a threaded manner, one end of each threaded cylinder 16 is attached to the hollow knob 7, the surface of the threaded cylinder 16 is fixedly connected with a rotating ring 17, when the wind pressure of the centrifugal fan needs to be regulated, the driving motor 10 is closed, the rotating ring 17 is rotated to drive the threaded cylinder 16 to synchronously rotate, the threaded cylinder 16 is moved downwards by the arrangement of the threaded rod 15, so that the threaded cylinder 16 is not limited to the hollow knob 7 any more, the threaded cylinder 16 is rotated to move upwards by the threaded rod 15, the threaded cylinder 16 is mutually matched with the arc-shaped limiting block 14 by the arrangement of the arc-shaped limiting block 14, the hollow knob 7 is limited again, one end of the driving rod 11 penetrates through the centrifugal fan body 2 and is movably connected to the surface of the supporting plate 9, the impeller 13 corresponds to the fixing plate 3, the hollow knob 7 and the annular sleeve 8 are sleeved on the surface of the driving rod 11, the surface of the centrifugal fan body 2 is fixedly connected with a spring component 18, the number of the spring assemblies 18 is four, one ends of the four spring assemblies 18 are fixedly connected to the upper surface of the bottom plate 1 in a rectangular array, and the other ends of the four spring assemblies 18 are fixedly connected to four corners of the centrifugal fan body 2.
Detailed descriptions of known functions and known components are omitted in the specific embodiments of the present disclosure, and the operating means adopted to ensure compatibility of the device are consistent with the parameters of the commercial instruments.
In summary, the operation steps of the wind pressure controllable centrifugal fan are as follows;
when the centrifugal fan is used, a user starts the driving motor 10, the output end of the driving motor 10 drives the driving rod 11 to rotate with the rotating rod 12, so that the impeller 13 synchronously rotates, the centrifugal fan body 2 starts to work, when the wind pressure of the centrifugal fan needs to be adjusted, the driving motor 10 is closed, the rotating ring 17 is rotated, the driving screw cylinder 16 is synchronously rotated, the screw cylinder 16 is enabled to move downwards in a threaded manner through the arrangement of the threaded rod 15, the screw cylinder 16 is enabled to be free of limiting on the central knob 7, then the hollow knob 7 is rotated, the L-shaped column 6 is driven to rotate, the baffles 5 are enabled to synchronously rotate, the baffle 5 covers the hole slots 4, after adjustment is completed, the screw cylinder 16 is rotated, the screw cylinder 16 is enabled to move upwards through the threads of the threaded rod 15, the setting of the arc-shaped limiting block 14 is enabled to enable the screw cylinder 16 to be mutually matched with the arc-shaped limiting block 14, the hollow knob 7 is limited, and then the driving motor 10 is enabled to drive the centrifugal fan body 2 to work, the wind quantity entering the inside of the centrifugal fan body is reduced, the wind pressure is adjusted, the centrifugal fan body 2 can adapt to different working requirements, and the adaptability of the centrifugal fan body is improved.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a controllable formula centrifugal fan of wind pressure, includes bottom plate (1), its characterized in that: the centrifugal fan comprises a bottom plate (1), and is characterized in that the upper surface of the bottom plate (1) is fixedly connected with a centrifugal fan body (2), a driving mechanism is arranged on one side of the upper surface of the bottom plate (1), a control mechanism is arranged on one side of the centrifugal fan body (2), and a limiting assembly is arranged on the upper surface of the bottom plate (1) close to the centrifugal fan body (2);
the control mechanism comprises a fixed plate (3) fixedly connected to one side of a centrifugal fan body (2), holes (4) are distributed in an annular array on the surface of the fixed plate (3), baffles (5) corresponding to the fixed plate (3) are movably connected to the surface of the fixed plate (3), the number of the baffles (5) is a plurality of the baffles, one sides of the baffles (5) are fixedly connected with L-shaped columns (6), one ends of the L-shaped columns (6) are fixedly connected with annular sleeves (8) together, one sides of the annular sleeves (8) are fixedly connected with hollow knobs (7), and one ends of the hollow knobs (7) are fixedly connected with supporting plates (9).
2. The centrifugal fan with controllable wind pressure according to claim 1, wherein: the driving mechanism comprises a driving motor (10) fixedly connected to the upper surface of the bottom plate (1), the lower surface of the driving motor (10) is fixedly connected with an L-shaped plate, the output end of the driving motor (10) is fixedly connected with a rotating rod (12), the surface of the rotating rod (12) is connected with a driving rod (11) through belt transmission, and the surface of the driving rod (11) is fixedly connected with an impeller (13).
3. The centrifugal fan with controllable wind pressure according to claim 2, wherein: the baffle (5) and hole groove (4) one-to-one of a plurality of, fixed plate (3) and centrifugal fan body (2) looks adaptation, backup pad (9) and bottom plate (1) fixed connection, L template and bottom plate (1) fixed connection, the one end of dwang (12) is through bearing swing joint in the surface of L template.
4. The centrifugal fan with controllable wind pressure according to claim 2, wherein: one end of the driving rod (11) penetrates through the centrifugal fan body (2) and is movably connected to the surface of the supporting plate (9), the impeller (13) corresponds to the fixing plate (3), and the hollow knob (7) and the annular sleeve (8) are sleeved on the surface of the driving rod (11).
5. The centrifugal fan with controllable wind pressure according to claim 1, wherein: the limiting assembly comprises an arc-shaped limiting block (14) fixedly connected to the surface of the supporting plate (9), the arc-shaped limiting block (14) is attached to the hollow knob (7), the limiting assembly further comprises a threaded rod (15) fixedly connected to the upper surface of the bottom plate (1), a threaded cylinder (16) is connected to the surface of the threaded rod (15) in a threaded mode, one end of the threaded cylinder (16) is attached to the hollow knob (7), and a rotating ring (17) is fixedly connected to the surface of the threaded cylinder (16).
6. The centrifugal fan with controllable wind pressure according to claim 1, wherein: the centrifugal fan comprises a centrifugal fan body (2), and is characterized in that spring assemblies (18) are fixedly connected to the surface of the centrifugal fan body (2), the number of the spring assemblies (18) is four, one ends of the four spring assemblies (18) are fixedly connected to the upper surface of a bottom plate (1) in a rectangular array, and the other ends of the four spring assemblies (18) are fixedly connected to four corners of the centrifugal fan body (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832413.0U CN219865506U (en) | 2023-04-14 | 2023-04-14 | Controllable formula centrifugal fan of wind pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832413.0U CN219865506U (en) | 2023-04-14 | 2023-04-14 | Controllable formula centrifugal fan of wind pressure |
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| CN219865506U true CN219865506U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202320832413.0U Active CN219865506U (en) | 2023-04-14 | 2023-04-14 | Controllable formula centrifugal fan of wind pressure |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847000A (en) * | 2024-03-07 | 2024-04-09 | 山东省东澎冷暖工程有限公司 | Fan operation noise detection device |
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2023
- 2023-04-14 CN CN202320832413.0U patent/CN219865506U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117847000A (en) * | 2024-03-07 | 2024-04-09 | 山东省东澎冷暖工程有限公司 | Fan operation noise detection device |
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