CN219299573U - Noise reduction type centrifugal fan - Google Patents
Noise reduction type centrifugal fan Download PDFInfo
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- CN219299573U CN219299573U CN202320619394.3U CN202320619394U CN219299573U CN 219299573 U CN219299573 U CN 219299573U CN 202320619394 U CN202320619394 U CN 202320619394U CN 219299573 U CN219299573 U CN 219299573U
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- inlet pipe
- air inlet
- noise
- centrifugal fan
- noise reduction
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
Abstract
The utility model relates to the technical field of centrifugal fans, in particular to a noise reduction type centrifugal fan which comprises a noise reduction base, a noise reduction box, a centrifugal fan body, an air inlet pipe, a filter screen and a cleaning assembly, wherein the cleaning assembly comprises a cleaning brush, a rotating rod, a lifting seat, a tension spring and a collecting member, the cleaning brush is in sliding connection with the air inlet pipe, the rotating rod is in rotary connection with the cleaning brush, the lifting seat is in rotary connection with the rotating rod, one end of the tension spring is connected with the air inlet pipe, the other end of the tension spring is connected with the lifting seat, when the filter screen is required to be cleaned, a worker pulls the lifting seat to reciprocate up and down, the lifting seat drives the rotating rod to move, and then the rotating rod drives the cleaning brush to move, so that the two cleaning brushes can be mutually close to or far away, and dust attached to the filter screen is brushed down, and therefore the purposes of conveniently cleaning the filter screen and improving the cleaning efficiency are achieved.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a noise reduction type centrifugal fan.
Background
The centrifugal fan is a machine for improving the pressure of gas and discharging the gas through mechanical energy, is widely applied to buildings such as factories, mines, tunnels, cooling towers and the like, and can vibrate when being used, so that larger noise is generated and larger influence is brought to the working environment.
Prior art CN215719837U discloses a centrifugal fan of making an uproar falls, comprising a base plate, the equal fixed mounting in bottom both sides of bottom plate has the installation piece, the top fixed mounting of bottom plate has damping spring, damping spring's top fixed mounting has the mounting panel, the equal fixed mounting in both sides of bottom plate has first spliced pole, the equal swing joint in the outside of first spliced pole and second spliced pole has the limiting plate, can cushion driving motor's vibrations that produce in the operation process, the rethread is equipped with the sound insulation box, can effectually insulate the inside noise of sound insulation box, avoid the noise to put outward, thereby the effectual noise of centrifugal fan when the operation that has reduced.
The noise that the above-mentioned device produced through setting up damping spring and sound insulation case reduction centrifugal fan during operation to be provided with the filter screen and filter the dust that gets into the shell, but the filter screen need dismantle when clear up, and reinstallate after the clearance is accomplished, has reduced the cleaning efficiency to the filter screen like this.
Disclosure of Invention
The utility model aims to provide a noise-reducing centrifugal fan, which solves the problems that the existing noise-reducing centrifugal fan needs to be disassembled when a filter screen is cleaned and reinstalled after the cleaning is finished, so that the cleaning efficiency of the filter screen is reduced.
In order to achieve the above purpose, the utility model provides a noise-reducing centrifugal fan, which comprises a noise-reducing base, a noise-reducing box, a centrifugal fan body, an air inlet pipe and a filter screen, wherein the noise-reducing box is arranged on the noise-reducing base, the centrifugal fan body is arranged inside the noise-reducing box, the air inlet pipe is arranged on the noise-reducing box, the filter screen is arranged inside the air inlet pipe, and the noise-reducing centrifugal fan further comprises a cleaning component; the cleaning assembly comprises a cleaning brush, a rotating rod, a lifting seat, a tension spring and a collecting component, wherein the cleaning brush is in sliding connection with the air inlet pipe, is in butt joint with the filter screen and is arranged on the air inlet pipe, the rotating rod is rotationally connected with the cleaning brush and is positioned on one side of the cleaning brush, the lifting seat is rotationally connected with the rotating rod and is positioned on one end of the rotating rod away from the cleaning brush, one end of the tension spring is connected with the air inlet pipe, the other end of the tension spring is connected with the lifting seat, the tension spring is positioned inside the air inlet pipe, and the collecting component is arranged on the air inlet pipe.
The lifting seat comprises a shell, a guide rod and a handle, wherein the guide rod is connected with the tension spring and is positioned at one end of the tension spring; the shell is fixedly connected with the guide rod, is rotationally connected with the rotating rod and is positioned at one end of the guide rod, which is far away from the tension spring; the handle is fixedly connected with the shell and is positioned on one side of the shell away from the guide rod.
The noise reduction base comprises a bottom plate, a mounting plate, a damping spring and a damper, wherein the mounting plate is fixedly connected with the noise reduction box and is positioned at one side of the noise reduction box; the damping spring is connected with the mounting plate and is positioned at one side of the mounting plate away from the noise reduction box; the bottom plate is connected with the damping spring and is positioned at one end of the damping spring far away from the mounting plate; one end of the damper is connected with the mounting plate, the other end of the damper is connected with the bottom plate, and the damper is positioned on one side of the mounting plate, which is close to the damping spring.
The noise reduction box comprises an outer shell, soundproof cotton and an inner shell, wherein the outer shell is fixedly connected with the mounting plate and is positioned at one side of the mounting plate far away from the damping spring; the soundproof cotton is fixedly connected with the shell and is positioned in the shell; the inner shell is fixedly connected with the soundproof cotton, fixedly connected with the centrifugal fan and fixedly connected with the air inlet pipe, and the inner shell is communicated with the air inlet pipe.
The collecting component comprises a collecting box, a filter plate and a collecting fan, wherein the collecting box is detachably connected with the air inlet pipe, is communicated with the air inlet pipe and is positioned at one side of the air inlet pipe; the collecting fan is fixedly connected with the collecting box and is positioned in the collecting box; the filter plate is fixedly connected with the collecting box and is positioned in the collecting box.
According to the noise reduction type centrifugal fan, when the filter screen is required to be cleaned, a worker pulls the lifting seat to reciprocate up and down, so that the lifting seat drives the rotating rod to move, and further the rotating rod drives the cleaning brushes to move, so that the two cleaning brushes can be close to or far away from each other, and further dust attached to the filter screen is brushed off, at the moment, the brushed dust is collected through the collecting member, so that the filter screen is cleaned, after the filter screen is cleaned, the lifting seat is reset under the action of the tension spring, and the lifting seat can be abutted against the air inlet pipe, so that the purposes of cleaning the filter screen conveniently and improving the cleaning efficiency are achieved.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a schematic view showing the overall structure of a noise reduction type centrifugal fan according to a first embodiment of the present utility model.
Fig. 2 is a schematic view of the installation structure of the centrifugal fan body according to the first embodiment of the present utility model.
Fig. 3 is a schematic view of a mounting structure of a filter screen according to a first embodiment of the present utility model.
Fig. 4 is a schematic view of a mounting structure of a collecting box according to a second embodiment of the present utility model.
In the figure: the fan comprises the following components of a 101-noise reduction base, a 102-noise reduction box, a 103-centrifugal fan body, a 104-air inlet pipe, a 105-filter screen, a 106-cleaning component, a 107-shell, a 108-guide rod, a 109-handle, a 110-base plate, a 111-mounting plate, a 112-damping spring, a 113-damper, a 114-outer shell, 115-soundproof cotton, a 116-inner shell, 117-cleaning brushes, 118-rotating rods, 119-lifting seats, 120-tension springs, 121-collecting components, 201-collecting boxes, 202-filter plates and 203-collecting fans.
Detailed Description
The following detailed description of embodiments of the utility model, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the utility model.
First embodiment:
referring to fig. 1 to 3, fig. 1 is a schematic overall structure of a noise reduction type centrifugal fan, fig. 2 is a schematic mounting structure of a centrifugal fan body, and fig. 3 is a schematic mounting structure of a filter screen.
The utility model provides a noise reduction type centrifugal fan, which comprises a noise reduction base 101, a noise reduction box 102, a centrifugal fan body 103, an air inlet pipe 104, a filter screen 105 and a cleaning assembly 106, wherein the cleaning assembly 106 comprises a cleaning brush 117, a rotating rod 118, a lifting seat 119, a tension spring 120 and a collecting member 121, the lifting seat 119 comprises a shell 107, a guide rod 108 and a handle 109, the noise reduction base 101 comprises a bottom plate 110, a mounting plate 111, a damping spring 112 and a damper 113, the noise reduction box 102 comprises an outer shell 114, a sound insulation cotton 115 and an inner shell 116, the rotating rod 118 is driven to move by pulling the lifting seat 119, so that the two rotating rods 118 drive the two cleaning brushes 117 to be close to or far away from each other, and the filter screen 105 is cleaned.
For this embodiment, the noise reduction box 102 is installed on the noise reduction base 101, the centrifugal fan body 103 is installed inside the noise reduction box 102, the air inlet pipe 104 is installed on the noise reduction box 102, the filter screen 105 is installed inside the air inlet pipe 104, the air inlet pipe 104 is communicated with the noise reduction box 102, the centrifugal fan body 103 sucks air through the air inlet pipe 104 and discharges the air through an outlet on the centrifugal fan body 103, noise generated when the centrifugal fan body 103 works is reduced through the noise reduction box 102 and the noise reduction base 101, and the filter screen 105 can filter the air entering the air inlet pipe 104 so as to prevent dust from entering the centrifugal fan body 103.
The cleaning brush 117 with air-supply line 104 sliding connection, and with filter screen 105 butt, and set up on the air-supply line 104, dwang 118 with cleaning brush 117 rotates to be connected, and is located one side of cleaning brush 117, lifting seat 119 with dwang 118 rotates to be connected, and is located dwang 118 keeps away from the one end of cleaning brush 117, the one end of extension spring 120 with air-supply line 104 is connected, the other end of extension spring 120 with lifting seat 119 is connected, extension spring 120 is located inside air-supply line 104, collecting member 121 sets up on the air-supply line 104, cleaning brush 117 with dwang 118 is provided with two respectively, extension spring 120 is provided with two, and is located the both sides of lifting seat 119 respectively, extension spring 120 has elasticity, when needs to filter screen 105 clear up, the staff pulls lifting seat 119 and reciprocates, makes lifting seat 119 drive the dwang 118 moves, thereby the filter screen 105 is moved to the lifting seat 118 is moved to the lifting member is moved by the same time, and is in order to accomplish the lifting brush 105 is removed to the lifting seat 105 is reached and the dust is removed by the lifting seat is reached and the filter screen 105 is removed, thereby the dust is collected by the lifting seat is reached and the lifting brush 118 is moved.
Secondly, the guide rod 108 is connected with the tension spring 120 and is positioned at one end of the tension spring 120; the shell 107 is fixedly connected with the guide rod 108, is rotatably connected with the rotating rod 118, and is positioned at one end of the guide rod 108 far away from the tension spring 120; the handle 109 is fixedly connected with the shell 107 and is located at one side, far away from the guide rod 108, of the shell 107, two guide rods 108 are arranged and are located at two sides of the shell 107 respectively, the movement of the shell 107 is guided through the two guide rods 108, the shell 107 can only move along the direction of the guide rods 108, the stability of the shell 107 during movement is improved, and staff can conveniently pull the shell 107 to move through the handle 109.
Meanwhile, the mounting plate 111 is fixedly connected with the noise reduction box 102 and is located at one side of the noise reduction box 102; the damping spring 112 is connected with the mounting plate 111 and is positioned at one side of the mounting plate 111 away from the noise reduction box 102; the bottom plate 110 is connected with the damping spring 112 and is positioned at one end of the damping spring 112 away from the mounting plate 111; one end of the damper 113 is connected with the mounting plate 111, the other end of the damper 113 is connected with the bottom plate 110, the damper 113 is located on one side, close to the damping spring 112, of the mounting plate 111, the bottom plate 110 can be mounted on the ground through bolts, and then the noise reduction type centrifugal fan is integrally mounted on the ground, the damping springs 112 and the dampers 113 are respectively provided with four, the noise reduction box 102 is mounted through the mounting plate 111, vibration can be generated when the centrifugal fan body 103 works, the noise reduction box 102 is driven to vibrate with the mounting plate 111, the damping spring 112 is used for damping the mounting plate 111, reciprocating vibration generated by the damping spring 112 is reduced through the damper 113, and therefore the purposes of reducing vibration generated when the centrifugal fan body 103 works and further reducing noise are achieved.
In addition, the housing 114 is fixedly connected with the mounting plate 111, and is positioned at one side of the mounting plate 111 away from the damping spring 112; the soundproof cotton 115 is fixedly connected with the housing 114 and is located inside the housing 114; the inner shell 116 with soundproof cotton 115 fixed connection, and with centrifugal fan body 103 fixed connection, and with air-supply line 104 fixed connection, the inner shell 116 with air-supply line 104 intercommunication, centrifugal fan body 103 includes parts such as motor and impeller, because the motor drives the impeller and rotates and produce the noise, through soundproof cotton 115 falls the noise of during motor during operation and impeller during rotation, avoids the noise follow fall the inside outgoing of case 102 of falling, thereby further reduce centrifugal fan body 103 produces the noise.
When the noise reduction type centrifugal fan of the embodiment is used, when the filter screen 105 needs to be cleaned, a worker pulls the handle 109 to move up and down, so that the handle 109 drives the shell 107 to move up and down, the shell 107 drives the rotating rod 118 to move, the rotating rod 118 drives the cleaning brushes 117 to be close to or far away from each other, the cleaning brushes 117 can brush dust attached to the filter screen 105, and finally the brushed dust is collected through the collecting member 121, so that the purposes of cleaning the filter screen 105 and improving cleaning efficiency are achieved conveniently.
Second embodiment:
referring to fig. 4, fig. 4 is a schematic view of the installation structure of the collection box of the second embodiment, and the collection member 121 of the present embodiment includes a collection box 201, a filter plate 202, and a collection fan 203.
For the present embodiment, the collecting box 201 is detachably connected to the air inlet pipe 104, and is in communication with the air inlet pipe 104, and is located at one side of the air inlet pipe 104; the collecting fan 203 is fixedly connected with the collecting box 201 and is positioned inside the collecting box 201; the filter plate 202 is fixedly connected with the collecting box 201 and is located inside the collecting box 201, the collecting box 201 is detachably connected with the air inlet pipe 104 through bolts, when dust in cleaning is required to be collected, the collecting fan 203 is started, the air inside the collecting box 201 is pumped out by the collecting fan 203, the air mixed with the dust inside the air inlet pipe 104 is pumped out, the air mixed with the dust is discharged after being filtered through the filter plate 202, and the dust is left in the collecting box 201 for collection.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application and is not intended to limit the scope of the claims hereof, as it is to be understood by those skilled in the art that all or part of the process of implementing the described embodiment may be practiced otherwise than as specifically described and illustrated by the appended claims.
Claims (5)
1. The noise-reducing centrifugal fan comprises a noise-reducing base, a noise-reducing box, a centrifugal fan body, an air inlet pipe and a filter screen, wherein the noise-reducing box is arranged on the noise-reducing base, the centrifugal fan body is arranged in the noise-reducing box, the air inlet pipe is arranged on the noise-reducing box, the filter screen is arranged in the air inlet pipe,
the cleaning assembly is also included;
the cleaning assembly comprises a cleaning brush, a rotating rod, a lifting seat, a tension spring and a collecting component, wherein the cleaning brush is in sliding connection with the air inlet pipe, is in butt joint with the filter screen and is arranged on the air inlet pipe, the rotating rod is rotationally connected with the cleaning brush and is positioned on one side of the cleaning brush, the lifting seat is rotationally connected with the rotating rod and is positioned on one end of the rotating rod away from the cleaning brush, one end of the tension spring is connected with the air inlet pipe, the other end of the tension spring is connected with the lifting seat, the tension spring is positioned inside the air inlet pipe, and the collecting component is arranged on the air inlet pipe.
2. The noise-reducing centrifugal fan of claim 1, wherein,
the lifting seat comprises a shell, a guide rod and a handle, wherein the guide rod is connected with the tension spring and is positioned at one end of the tension spring; the shell is fixedly connected with the guide rod, is rotationally connected with the rotating rod and is positioned at one end of the guide rod, which is far away from the tension spring; the handle is fixedly connected with the shell and is positioned on one side of the shell away from the guide rod.
3. The noise-reducing centrifugal fan of claim 1, wherein,
the noise reduction base comprises a bottom plate, a mounting plate, a damping spring and a damper, wherein the mounting plate is fixedly connected with the noise reduction box and is positioned at one side of the noise reduction box; the damping spring is connected with the mounting plate and is positioned at one side of the mounting plate away from the noise reduction box; the bottom plate is connected with the damping spring and is positioned at one end of the damping spring far away from the mounting plate; one end of the damper is connected with the mounting plate, the other end of the damper is connected with the bottom plate, and the damper is positioned on one side of the mounting plate, which is close to the damping spring.
4. The noise-reducing centrifugal fan according to claim 3, wherein,
the noise reduction box comprises an outer shell, soundproof cotton and an inner shell, wherein the outer shell is fixedly connected with the mounting plate and is positioned at one side of the mounting plate far away from the damping spring; the soundproof cotton is fixedly connected with the shell and is positioned in the shell; the inner shell is fixedly connected with the soundproof cotton, fixedly connected with the centrifugal fan and fixedly connected with the air inlet pipe, and the inner shell is communicated with the air inlet pipe.
5. The noise-reducing centrifugal fan of claim 1, wherein,
the collecting component comprises a collecting box, a filter plate and a collecting fan, wherein the collecting box is detachably connected with the air inlet pipe, is communicated with the air inlet pipe and is positioned at one side of the air inlet pipe; the collecting fan is fixedly connected with the collecting box and is positioned in the collecting box; the filter plate is fixedly connected with the collecting box and is positioned in the collecting box.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320619394.3U CN219299573U (en) | 2023-03-27 | 2023-03-27 | Noise reduction type centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320619394.3U CN219299573U (en) | 2023-03-27 | 2023-03-27 | Noise reduction type centrifugal fan |
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| Publication Number | Publication Date |
|---|---|
| CN219299573U true CN219299573U (en) | 2023-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320619394.3U Active CN219299573U (en) | 2023-03-27 | 2023-03-27 | Noise reduction type centrifugal fan |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117006107A (en) * | 2023-08-21 | 2023-11-07 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with purifying system |
| CN117231569A (en) * | 2023-11-09 | 2023-12-15 | 上海嵘熵动力科技有限公司 | Air suspension centrifugal fan with dust removal function |
-
2023
- 2023-03-27 CN CN202320619394.3U patent/CN219299573U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117006107A (en) * | 2023-08-21 | 2023-11-07 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with purifying system |
| CN117006107B (en) * | 2023-08-21 | 2024-02-02 | 苏州顶裕节能设备有限公司 | Centrifugal ventilator with purifying system |
| CN117231569A (en) * | 2023-11-09 | 2023-12-15 | 上海嵘熵动力科技有限公司 | Air suspension centrifugal fan with dust removal function |
| CN117231569B (en) * | 2023-11-09 | 2024-01-26 | 上海嵘熵动力科技有限公司 | Air suspension centrifugal fan with dust removal function |
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