CN210178616U - Low-noise square wall type axial flow fan - Google Patents
Low-noise square wall type axial flow fan Download PDFInfo
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- CN210178616U CN210178616U CN201920990856.6U CN201920990856U CN210178616U CN 210178616 U CN210178616 U CN 210178616U CN 201920990856 U CN201920990856 U CN 201920990856U CN 210178616 U CN210178616 U CN 210178616U
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Abstract
The utility model discloses a low-noise square wall type axial flow fan, which belongs to the field of axial flow fans and comprises an outer shell and an inner shell, wherein a filling plate is fixedly arranged between the outer shell and the inner shell, a sound absorption mechanism is arranged between the outer shell and the inner shell, the inner wall of the inner shell is fixedly connected with an installation block, a filter screen is sleeved in the inner shell, a fixed plate is fixedly arranged at the top of the filter screen, one side of the fixed plate is in threaded connection with one side of the installation block through a fixed bolt, and the inner wall of the inner shell is fixedly connected with a fixed frame; this square wall type axial fan of low noise, through setting up the filter screen, can filter the dust in the air, avoided the blade surface because of the long-term problem of piling up difficult clearance of dust, guaranteed the cleanness on blade surface, inhale the sound mechanism through setting up simultaneously, can carry out multistage absorption to the noise that produces for the sound wave can be progressively reduced, avoided the problem that produces noise pollution, improved the effect of making an uproar.
Description
Technical Field
The utility model belongs to the technical field of axial fan, concretely relates to square wall type axial fan of low noise.
Background
The axial flow fan forms airflow in the same direction as the axis of a fan blade, such as an electric fan and an air conditioner outer unit fan, the axial flow fan is an axial flow type running fan, the axial flow fan is usually used in occasions with higher flow requirements and lower pressure requirements, and mainly comprises a fan impeller, a motor and a casing, noise generated by the axial flow fan in operation often affects the health of people and influences the disaster source of the environment, especially aerodynamic noise radiated by an air inlet and an air outlet of the fan close to a living area is a main factor for polluting the environment;
it can be known at present according to application No. 201720790287.1's amortization wall type axial fan, this application adopts high-efficient low noise axial fan, the transmission of fan special purpose motor direct-coupled, set up amortization cotton and amortization room simultaneously between the inner wall and the outer wall of the casing of amortization shell, the noise has the advantage that the noise is lower and the air current is more stable, but this application fan's tip does not set up filter equipment, at the in-process that the air flows, make the dust in the air adhere on the surface of blade easily, and long this past because the accumulation of dust, just be difficult to clear up the blade, the sound effect of inhaling of this application is poor simultaneously, can not carry out effectual noise reduction, for this reason, we provide a square wall type axial fan of low noise.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a square wall type axial fan of low noise to solve the problem that proposes in the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a square wall type axial fan of low noise, includes shell and inner shell, fixed mounting has the infill panel between shell and the inner shell, and is provided with between shell and the inner shell and inhales sound mechanism, the inner wall fixedly connected with installation piece of inner shell, and the inside cover of inner shell is equipped with the filter screen, the top fixed mounting of filter screen has the fixed plate, one side threaded connection of gim peg and installation piece is passed through to one side of fixed plate, the inner wall fixedly connected with mount of inner shell, the fixed cover of inside of mount has connect the motor, the fixed cup joints the blade on the output shaft of motor, the top fixed mounting of infill panel side has the metal covering board, the bottom threaded connection of screw thread and infill panel side is passed through to the bottom of metal covering board one side.
Preferably, inhale the sound mechanism and include the cystosepiment, cystosepiment fixed mounting is in the bottom of shell, and the bottom fixed mounting of cystosepiment has the sound cotton of inhaling, inhale the cotton bottom fixedly connected with abatvoix of sound, the below of abatvoix is provided with the sound groove of inhaling, inhale the inside of sound groove seting up at the inner shell.
Preferably, the sound-absorbing plate is in an inverted V shape, and the surface of the sound-absorbing plate is provided with a groove.
Preferably, the filter screen is located one side of blade, and the filter screen is with inner shell looks adaptation.
Preferably, the fixing frame is formed by welding a fixing sleeve and two connecting plates, and the inner wall of the fixing sleeve is fixedly sleeved with the outside of the motor.
Preferably, the sealing gasket is made of rubber materials and movably sleeved at the end part of the inner shell.
Compared with the prior art, the beneficial effects of the utility model are that:
according to the low-noise square wall type axial flow fan, the filter screen is arranged, so that dust in the air can be filtered in the use process of the axial flow fan, the problem that the surfaces of blades are difficult to clean due to long-term accumulation of dust is avoided, the surfaces of the blades are clean, and meanwhile, the filter screen can be conveniently and regularly detached and cleaned by arranging the mounting block, the fixing plate and the fixing bolt, so that the filtering effect of the filter screen can be improved;
this square wall type axial fan of low noise inhales the sound mechanism through the setting, can carry out multistage absorption to the noise that produces at the in-process that this axial fan used for the sound wave can be progressively reduced, has avoided producing the problem of noise pollution, has not only improved the effect of making an uproar of falling, has protected the environment on every side moreover.
Drawings
FIG. 1 is a schematic front view of the structure of the present invention;
FIG. 2 is a side view of a metal cover plate according to the present invention;
fig. 3 is a schematic view of a partial front view of the middle acoustic panel of the present invention.
In the figure: 1. a housing; 2. an inner shell; 3. a infill panel; 4. a sound absorbing mechanism; 41. a foam board; 42. sound-absorbing cotton; 43. a sound-absorbing panel; 44. a sound absorbing groove; 5. mounting blocks; 6. a filter screen; 7. a fixing plate; 8. a fixing bolt; 9. a fixed mount; 10. a motor; 11. a blade; 12. a metal cover plate; 13. a thread; 14. and a gasket.
Detailed Description
The present invention will be further described with reference to the following examples.
The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention. The condition in the embodiment can be further adjusted according to concrete condition the utility model discloses a it is right under the design prerequisite the utility model discloses a simple improvement of method all belongs to the utility model discloses the scope of claiming.
Referring to fig. 1-3, the present invention provides a low noise square wall type axial flow fan, which comprises an outer casing 1 and an inner casing 2, a filling plate 3 is fixedly installed between the outer casing 1 and the inner casing 2, and a sound absorption mechanism 4 is arranged between the outer shell 1 and the inner shell 2, the inner wall of the inner shell 2 is fixedly connected with an installation block 5, and the inside cover of inner shell 2 is equipped with filter screen 6, the top fixed mounting of filter screen 6 has fixed plate 7, one side of fixed plate 7 is through one side threaded connection of gim peg 8 and installation piece 5, the inner wall fixedly connected with mount 9 of inner shell 2, the fixed internal cover of mount 9 has cup jointed motor 10, the fixed cup joint has blade 11 on the output shaft of motor 10, the top fixed mounting of filler plate 3 side has metal covering plate 12, the bottom of metal covering plate 12 one side is through the bottom threaded connection of screw thread 13 with the filler plate 3 side, and the opposite side fixed mounting of metal covering plate 12 has sealed the pad 14.
Among the above-mentioned scheme, utilize and inhale sound mechanism 4, can absorb the noise that motor 10 produced at motor 10 moving in-process, the propagation that can the noise abatement has avoided noise pollution's problem, and utilizes filter screen 6, can filter the dust in the air at the in-process of ventilating, avoids the fan to use the back dust adhesion for a long time at the surface of blade 11 and the problem that is difficult to the clearance.
Specifically, the sound absorption mechanism 4 comprises a foam plate 41, the foam plate 41 is fixedly installed at the bottom of the outer shell 1, sound absorption cotton 42 is fixedly installed at the bottom of the foam plate 41, a sound absorption plate 43 is fixedly connected to the bottom of the sound absorption cotton 42, a sound absorption groove 44 is arranged below the sound absorption plate 43, and the sound absorption groove 44 is arranged inside the inner shell 2; the noise generated by the motor 10 can be absorbed in the running process of the motor 10, the transmission of the noise can be reduced, and the problem of noise pollution is avoided.
Specifically, the sound-absorbing plate 43 is in an inverted V shape, and a groove is formed in the surface of the sound-absorbing plate 43; the sound wave entering from the sound-absorbing groove 44 can be absorbed in the process of noise absorption, so that the noise can be preliminarily absorbed.
Specifically, the filter screen 6 is positioned at one side of the blade 11, and the filter screen 6 is matched with the inner shell 2; can filter the dust in the air at the in-process of ventilating, avoid the fan long-term after using the problem that the dust adhesion is on the surface of blade 11 and is difficult to the clearance.
Specifically, the fixing frame 9 is formed by welding a fixing sleeve and two connecting plates, and the inner wall of the fixing sleeve is fixedly sleeved with the outside of the motor 10; the motor 10 can be fixed during the operation of the motor 10, thereby ensuring the stability of the operation of the motor 10.
Specifically, the sealing gasket 14 is made of rubber material, and the sealing gasket 14 is movably sleeved at the end part of the inner shell 2; can stop the in-process of using at the fan, play sealed effect to the outside of fan, avoid external dust and rainwater to get into the inside problem of fan.
It should be noted that:
the motor 10 is electrically connected to the mains supply, and the motor 10 is suitable for a miniature motor of type Y50L-2.
The utility model discloses a theory of operation and use flow: firstly, the screw thread 13 is rotated, the metal cover plate 12 is opened, the motor 10 is restarted, the blade 11 is rotated, so that ventilation is performed, then air flows from left to right under the driving of the blade 11, the air passes through the filter screen 6 to filter dust in the air, the problem that the surface of the blade 11 is difficult to clean due to long-term accumulation of the dust is avoided, the cleanness of the surface of the blade is ensured, meanwhile, noise generated by the air flow and the operation of the motor 10 is diffused to the sound-absorbing plate 43 from the sound-absorbing groove 44, the sound-absorbing plate 43 primarily absorbs the sound wave, when the sound wave penetrating through the sound-absorbing plate 43 contacts the sound-absorbing cotton 42, the sound wave is absorbed again, and at the moment, the foam plate 41 also blocks the sound wave from penetrating through the shell 1 to be transmitted to the outside, the generated noise can be absorbed in a multi-stage manner, so that the sound wave can be gradually reduced, not only improved the effect of making an uproar of falling, also protected surrounding environment moreover, use the back for a long time as filter screen 6 at last, rotatory gim peg 8 for phase separation between installation piece 5 and the fixed plate 7 can be convenient for regularly dismantle the clearance to filter screen 6, thereby can improve the filter effect of filter screen 6.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a square wall type axial fan of low noise, includes shell (1) and inner shell (2), its characterized in that: fixed mounting has packing plate (3) between shell (1) and inner shell (2), and is provided with between shell (1) and the inner shell (2) and inhales sound mechanism (4), the inner wall fixedly connected with installation piece (5) of inner shell (2), and the inside cover of inner shell (2) is equipped with filter screen (6), the top fixed mounting of filter screen (6) has fixed plate (7), one side of fixed plate (7) is through one side threaded connection of gim peg (8) and installation piece (5), the inner wall fixedly connected with mount (9) of inner shell (2), the inside fixed cover of mount (9) has cup jointed motor (10), the fixed cover that has cup jointed blade (11) on the output shaft of motor (10), the top fixed mounting of packing plate (3) side has metal apron (12), the bottom threaded connection of metal apron (12) one side is through screw thread (13) and packing plate (3) side, and a sealing gasket (14) is fixedly arranged on the other side of the metal cover plate (12).
2. The low noise square wall axial fan of claim 1, wherein: inhale sound mechanism (4) and include cystosepiment (41), cystosepiment (41) fixed mounting is in the bottom of shell (1), and the bottom fixed mounting of cystosepiment (41) has sound absorption cotton (42), inhale bottom fixedly connected with abatvoix (43) of sound cotton (42), the below of abatvoix (43) is provided with sound absorption groove (44), sound absorption groove (44) are seted up in the inside of inner shell (2).
3. The low noise square wall axial fan of claim 2, wherein: the sound-absorbing plate (43) is in an inverted V shape, and a groove is formed in the surface of the sound-absorbing plate (43).
4. The low noise square wall axial fan of claim 1, wherein: the filter screen (6) is positioned on one side of the blade (11), and the filter screen (6) is matched with the inner shell (2).
5. The low noise square wall axial fan of claim 1, wherein: the fixing frame (9) is formed by welding a fixing sleeve and two connecting plates, and the inner wall of the fixing sleeve is fixedly sleeved with the outside of the motor (10).
6. The low noise square wall axial fan of claim 1, wherein: the sealing gasket (14) is made of rubber materials, and the sealing gasket (14) is movably sleeved at the end part of the inner shell (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990856.6U CN210178616U (en) | 2019-06-27 | 2019-06-27 | Low-noise square wall type axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920990856.6U CN210178616U (en) | 2019-06-27 | 2019-06-27 | Low-noise square wall type axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN210178616U true CN210178616U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920990856.6U Active CN210178616U (en) | 2019-06-27 | 2019-06-27 | Low-noise square wall type axial flow fan |
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| CN (1) | CN210178616U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177984A (en) * | 2020-09-25 | 2021-01-05 | 上海沃克通用设备有限公司 | Noise reduction structure of fan |
| CN114278592A (en) * | 2021-12-17 | 2022-04-05 | 武汉市辰鑫流体控制环保设备有限公司 | Multistage filtering dust exhausting fan |
-
2019
- 2019-06-27 CN CN201920990856.6U patent/CN210178616U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112177984A (en) * | 2020-09-25 | 2021-01-05 | 上海沃克通用设备有限公司 | Noise reduction structure of fan |
| CN114278592A (en) * | 2021-12-17 | 2022-04-05 | 武汉市辰鑫流体控制环保设备有限公司 | Multistage filtering dust exhausting fan |
| CN114278592B (en) * | 2021-12-17 | 2024-04-12 | 武汉市辰鑫流体控制环保设备有限公司 | Multistage filtering dust removal fan |
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Address after: 362000 No.29, Suya Industrial Zone, Suya village, Fengzhou Town, Nan'an City, Quanzhou City, Fujian Province Patentee after: Quanzhou Yusheng ventilation and air conditioning equipment Co.,Ltd. Address before: 362000 Dongpu intersection, Xiamei community, Puxian Road, Fengze District, Quanzhou City, Fujian Province Patentee before: Quanzhou Yusheng ventilation and air conditioning equipment Co.,Ltd. |