CN219865605U - Noise reduction volute assembly of centrifugal blower - Google Patents
Noise reduction volute assembly of centrifugal blower Download PDFInfo
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- CN219865605U CN219865605U CN202320832440.8U CN202320832440U CN219865605U CN 219865605 U CN219865605 U CN 219865605U CN 202320832440 U CN202320832440 U CN 202320832440U CN 219865605 U CN219865605 U CN 219865605U
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- fixedly connected
- casing
- centrifugal blower
- shell
- noise reduction
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- 230000009467 reduction Effects 0.000 title claims abstract description 17
- 238000003860 storage Methods 0.000 claims abstract description 7
- 230000006978 adaptation Effects 0.000 claims description 3
- 238000009413 insulation Methods 0.000 claims description 2
- 230000001681 protective effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 238000001816 cooling Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000004140 cleaning Methods 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
- 238000002474 experimental method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model relates to the technical field of centrifugal blowers and discloses a noise reduction volute assembly of a centrifugal blower, which comprises a shell, wherein one side of the shell is fixedly connected with a servo motor, the surface of the shell is fixedly connected with a shockproof support, the surface of the shell is away from a shockproof support part and is fixedly connected with an air outlet pipe, the other side of the shell is fixedly connected with a protective net, the noise reduction assembly is arranged in the shell, a storage groove is formed in the surface of the shell, which is close to the air outlet pipe, the shell is connected with a dustproof assembly in a sliding manner through the storage groove, and the output end of the servo motor penetrates through one side of the shell and extends into the shell. Through the setting of devices such as subassembly, casing and servo motor of making an uproar, centrifugal blower when using, can guarantee the inside even air inlet of centrifugal blower through the setting of the subassembly of making an uproar to improved the rotation efficiency of impeller, thereby avoided producing centrifugal blower noise because of the air intake turbulence, and then reduced the condition emergence of the noise that the air intake turbulence leads to.
Description
Technical Field
The utility model relates to the technical field of centrifugal blowers, in particular to a noise reduction volute assembly of a centrifugal blower.
Background
Centrifugal blowers are machines that rely on input mechanical energy to raise the pressure of the gas and discharge the gas, and are driven fluid machines. Centrifugal fans are widely used for ventilation, dust removal 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 retrieving the patent of chinese patent application No. 202122337834.X, a centrifugal blower is disclosed, including the volute, the one end of volute is provided with the air outlet, the other end of volute is provided with the second air intake, the inside fixedly connected with second protection network of second air intake, the wind-guiding passageway has been seted up to the inside of volute, the one end of wind-guiding passageway leads to the second air intake, the other end of wind-guiding passageway leads to first air intake, first air intake sets up in one side of volute, the opposite side fixedly connected with shell of volute, the inside of shell is provided with the motor, the output shaft fixedly connected with axis of rotation of motor, the surface fixedly connected with impeller of axis of rotation, the lower extreme fixedly connected with connecting plate of shell, the lower extreme fixedly connected with connecting block of connecting plate, the lower extreme of connecting block is provided with the base. According to the utility model, the increase of the blowing efficiency of the centrifugal blower can be effectively realized, and the working capacity of the centrifugal blower is improved.
However, in the use process of the technology, the centrifugal blower noise is generated due to the rotation of the impeller, and the impeller can rub with air or impact when rotating; noise is generated due to the vortex generated by the impeller; the centrifugal blower noise is generated due to turbulent flow, the generated noise can bring great influence to workers and surrounding residents, and the centrifugal blower needs to be cleaned inside the centrifugal blower after being used for a period of time, so that workers need to disassemble the centrifugal blower to clean, and the conditions of time and labor waste are caused.
We have therefore improved on this by proposing a noise reduction volute assembly for a centrifugal blower.
Disclosure of Invention
(one) solving the technical problems
Aiming at the defects of the prior art, the utility model provides a noise reduction volute component of a centrifugal blower, which solves the problems that the noise caused by the friction between an impeller and air and the like during the use in the prior art affects workers and surrounding residents to bring about larger conditions, and the centrifugal blower needs to be disassembled to clean the inside after being used for a period of time, so that time and labor are wasted.
(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 spiral case subassembly of making an uproar falls in centrifugal blower, includes the casing, one side fixedly connected with servo motor of casing, the fixed surface of casing is connected with and takes precautions against earthquakes and strut, the surface of casing is kept away from and is strutted department fixedly connected with and go out the tuber pipe, the opposite side fixedly connected with protection network of casing, the inside of casing is equipped with the subassembly of making an uproar falls, the surface of casing is close to and has offered the storage tank that goes out tuber pipe department, the casing is through storage tank sliding connection has dustproof subassembly, servo motor's output runs through one side of casing and extends to inside, servo motor's output fixedly connected with impeller.
Optionally, the subassembly of making an uproar falls includes the spacing groove, the spacing groove is seted up in the extrados of impeller, the quantity of spacing groove is two, two the spacing groove is the symmetric distribution in the surface of impeller, the inside of casing is close to impeller department fixedly connected with acoustic celotex board.
Optionally, the inside fixedly connected with guide plate of tuber pipe, one side fixedly connected with air intake of acoustic celotex board, the fresh air inlet has been seted up on the surface of air intake, the interior bottom wall fixedly connected with toper guide post of air intake, the intrados of casing corresponds spacing groove department fixedly connected with connecting piece.
Optionally, the inside wall of connecting piece rotates and is connected with the spacing wheel of the mutual adaptation of spacing groove, the quantity of connecting piece is a plurality of, a plurality of the connecting piece is annular array and distributes in the intrados of casing.
Optionally, the dustproof subassembly includes the connecting plate, connecting plate sliding connection is in the inside wall of accomodating the groove, the fixed surface of connecting plate is connected with the dirt ring, the upper surface fixedly connected with handle of connecting plate.
Optionally, the inside of casing corresponds connecting plate department fixedly connected with and accomodates the ring, the intrados of accomodating the ring is seted up the recess with connecting plate looks adaptation each other.
(III) beneficial effects
The utility model has at least the following beneficial effects:
1. through the setting of devices such as subassembly, casing and servo motor of making an uproar, centrifugal blower when using, can guarantee the inside even air inlet of centrifugal blower through the setting of the subassembly of making an uproar to improved the rotation efficiency of impeller, thereby avoided producing centrifugal blower noise because of the air intake turbulence, and then reduced the condition emergence of the noise that the air intake turbulence leads to.
2. Through the setting of devices such as dustproof subassembly, casing and shock attenuation support, when needs clear up centrifugal blower, only need the pulling handle, take out the connecting plate through the handle, clear up the dirt-proof ring of its both sides after the connecting plate is taken out, insert it back again after the clearance can to avoided because of centrifugal blower need clear up its inside after using a period, just lead to the staff to need disassemble centrifugal blower and clear up, thereby lead to comparatively taking time and energy's condition to take place.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of a second view angle of the present utility model;
FIG. 3 is a schematic view of a dust assembly of the present utility model;
FIG. 4 is a schematic diagram of a noise reduction assembly of the present utility model;
fig. 5 is a schematic diagram illustrating the disassembly of the noise reduction assembly according to the present utility model.
In the figure;
1. a housing;
2. a servo motor;
3. a shockproof support;
4. an air outlet pipe;
5. a protective net;
6. a noise reduction assembly; 601. a limit groove; 602. a sound insulation board; 603. an air inlet; 604. conical guide posts; 605. a connecting piece; 606. a limiting wheel;
7. a storage groove;
8. a dust-proof assembly; 801. a connecting plate; 802. a dust-proof ring; 803. a receiving ring;
9. an impeller;
10. and a deflector.
Detailed Description
The technical solutions of 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, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Referring to fig. 1 to 5, the present utility model provides a technical solution: the utility model provides a spiral case subassembly of making an uproar falls in centrifugal blower, which comprises a housin 1, one side fixedly connected with servo motor 2 of casing 1, the fixed surface of casing 1 is connected with the support 3 takes precautions against earthquakes, the surface of casing 1 keeps away from the support 3 department fixedly connected with air-out pipe 4 that takes precautions against earthquakes, the opposite side fixedly connected with protection network 5 of casing 1, the inside of casing 1 is equipped with the subassembly of making an uproar 6 of making an uproar, the surface of casing 1 is close to air-out pipe 4 department and has been seted up accomodates groove 7, casing 1 has dustproof subassembly 8 through accomodating groove 7 sliding connection, the output of servo motor 2 runs through one side of casing 1 and extends to inside, the output of servo motor 2 fixedly connected with impeller 9, when needing to use centrifugal blower, only need start servo motor 2, servo motor 2's output drives impeller 9 and rotates, impeller 9 rotates spacing through spacing groove 601 that impeller 9 cambered surface sets up of casing 1, thereby avoiding the noise caused by shaking devices such as a bearing and the like when the impeller 9 rotates at a high speed, simultaneously, through the arrangement of the air inlet hole formed in the surface of the air inlet 603 and the conical flow guide column 604, air is split through the conical flow guide column 604 when entering the air inlet 603, and the split air uniformly enters the impeller 9 through the air inlet hole, so that the rotation efficiency of the impeller 9 is improved, further, the noise of the centrifugal blower caused by the turbulence of the air inlet 603 is avoided, further, the noise caused by the turbulence of the air inlet 603 is reduced, meanwhile, when a worker needs to clean the centrifugal blower, the worker only needs to pull the handle to pull the connecting plate 801, clean the dust-proof rings 802 on two sides of the connecting plate 801 after the connecting plate 801 is pulled out, and insert the connecting plate back again after the cleaning is completed, therefore, the situation that the centrifugal blower needs to be cleaned after being used for a period of time, so that workers need to disassemble the centrifugal blower to clean the centrifugal blower is avoided, and time and labor are wasted is caused.
The subassembly 6 of making an uproar falls including spacing groove 601, spacing groove 601 is offered in the extrados of impeller 9, the quantity of spacing groove 601 is two, two spacing grooves 601 are the symmetric distribution in the surface of impeller 9, the inside of casing 1 is close to impeller 9 department fixedly connected with acoustic celotex board 602, the inside fixedly connected with guide plate 10 of tuber pipe 4, one side fixedly connected with air intake 603 of acoustic celotex board 602, the fresh air inlet has been offered on the surface of air intake 603, the interior bottom wall fixedly connected with toper water conservancy diversion post 604 of air intake 603, the intrados of casing 1 corresponds spacing groove 601 department fixedly connected with connecting piece 605, the inside wall rotation of connecting piece 605 is connected with the spacing wheel 606 of mutually supporting with spacing groove 601, the quantity of connecting piece 605 is a plurality of, a plurality of connecting piece 605 is annular array and distributes in the intrados of casing 1, when the centrifugal blower when using, the cooperation through spacing wheel 606 and spacing groove 601 has avoided impeller 9 to drive devices such as bearing rocks when high-speed rotation, and the air enters through air intake 603, air and toper water conservancy diversion post 604 contradict each other, make air split, the air even through intake 9 entering through air intake 603, the air intake 9, the noise that the air intake has been caused by the air diversion, the noise has been avoided the air intake 9 to produce the noise of the air blower, the fan has improved the noise that the fan noise that has caused the impeller has improved the impeller noise, and has caused the noise that the impeller has caused the air intake 603 to rotate.
Dustproof subassembly 8 includes connecting plate 801, connecting plate 801 sliding connection is in the inside wall of accomodating groove 7, connecting plate 801 fixedly connected with dirt ring 802, connecting plate 801's last fixedly connected with handle, connecting plate 801 department fixedly connected with accomodates ring 803 is corresponding to inside of casing 1, accomodate the intrados of ring 803 and seted up the recess of mutually supporting with connecting plate 801, when the staff need clear up centrifugal blower simultaneously, only need pull the handle, take out connecting plate 801 through the handle, connecting plate 801 is taken out the back and clear up the dirt ring 802 of its both sides, insert back again after the clearance is accomplished, thereby avoided because of centrifugal blower need clear up its inside after using a period, just lead to the staff to need disassemble centrifugal blower and clear up, thereby lead to comparatively taking time and energy the condition emergence.
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.
It should be noted that, in this document, relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions, and further, the terms "comprise," "include," "comprise," or any other variation thereof are intended to cover non-exclusive inclusion such that a process, method, article, or apparatus that comprises a series of elements includes not only those elements but also other elements not explicitly listed or inherent to such process, method, article, or apparatus, wherein all standard parts used therein may be purchased from a market and customized according to the description of the specification and drawings, the specific connection of each part may be accomplished by conventional means of bolts, rivets, welding, etc., as is conventional in the art, and the structures and principles thereof will be known to those skilled in the art by a skilled artisan or through conventional experimental methods.
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 spiral case subassembly of making an uproar falls in centrifugal blower, includes casing (1), its characterized in that: one side fixedly connected with servo motor (2) of casing (1), the fixed surface of casing (1) is connected with support (3) that takes precautions against earthquakes, the surface of casing (1) is kept away from support (3) department fixedly connected with and is gone out tuber pipe (4), the opposite side fixedly connected with protection network (5) of casing (1), the inside of casing (1) is equipped with noise reduction subassembly (6), the surface of casing (1) is close to and goes out tuber pipe (4) department and has offered storage tank (7), casing (1) is through storage tank (7) sliding connection dustproof subassembly (8), the output of servo motor (2) runs through one side of casing (1) and extends to inside, the output fixedly connected with impeller (9) of servo motor (2).
2. The noise reduction volute assembly of a centrifugal blower of claim 1, wherein: the noise reduction assembly (6) comprises limiting grooves (601), wherein the limiting grooves (601) are formed in the outer cambered surface of the impeller (9), the number of the limiting grooves (601) is two, the limiting grooves (601) are symmetrically distributed on the surface of the impeller (9), and a sound insulation plate (602) is fixedly connected to the inside of the shell (1) close to the impeller (9).
3. The noise reduction volute assembly of a centrifugal blower of claim 2, wherein: the inside fixedly connected with guide plate (10) of tuber pipe (4), one side fixedly connected with air intake (603) of acoustic celotex board (602), the fresh air inlet has been seted up on the surface of air intake (603), interior bottom wall fixedly connected with toper guide post (604) of air intake (603), intrados of casing (1) corresponds spacing groove (601) department fixedly connected with connecting piece (605).
4. A noise reduction volute assembly for a centrifugal blower according to claim 3, wherein: the inner side wall of the connecting piece (605) is rotationally connected with limiting wheels (606) which are mutually matched with the limiting grooves (601), the number of the connecting pieces (605) is a plurality, and the connecting pieces (605) are distributed in the intrados of the shell (1) in an annular array.
5. The noise reduction volute assembly of a centrifugal blower of claim 1, wherein: the dustproof assembly (8) comprises a connecting plate (801), the connecting plate (801) is connected to the inner side wall of the containing groove (7) in a sliding mode, a dustproof ring (802) is fixedly connected to the surface of the connecting plate (801), and a handle is fixedly connected to the upper surface of the connecting plate (801).
6. The noise reduction volute assembly of a centrifugal blower of claim 5, wherein: the inside of casing (1) corresponds connecting plate (801) department fixedly connected with accomodates ring (803), accomodate the intrados of ring (803) and seted up the recess with connecting plate (801) looks adaptation each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832440.8U CN219865605U (en) | 2023-04-14 | 2023-04-14 | Noise reduction volute assembly of centrifugal blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320832440.8U CN219865605U (en) | 2023-04-14 | 2023-04-14 | Noise reduction volute assembly of centrifugal blower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219865605U true CN219865605U (en) | 2023-10-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320832440.8U Active CN219865605U (en) | 2023-04-14 | 2023-04-14 | Noise reduction volute assembly of centrifugal blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219865605U (en) |
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- 2023-04-14 CN CN202320832440.8U patent/CN219865605U/en active Active
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