CN219412961U - Simple and easy formula smoke ventilator of silence - Google Patents
Simple and easy formula smoke ventilator of silence Download PDFInfo
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- CN219412961U CN219412961U CN202223550615.0U CN202223550615U CN219412961U CN 219412961 U CN219412961 U CN 219412961U CN 202223550615 U CN202223550615 U CN 202223550615U CN 219412961 U CN219412961 U CN 219412961U
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- inner shell
- box body
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- impeller
- rotating shaft
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Abstract
The utility model discloses a mute simple smoke exhaust fan, which comprises a box body, an inner shell, a driving device and an impeller, wherein the box body is provided with a fan body; the box body is internally provided with a buffer cavity, one side of the box body is provided with an input port communicated with the buffer cavity, and the other side of the box body is provided with an output port; the inner shell is suspended in the buffer cavity, the front side of the inner shell is arc-shaped and is opposite to the input port, a centrifugal air duct is arranged in the inner shell, air inlets are formed in the left side and the right side of the inner shell, an air outlet communicated with the centrifugal air duct is formed in the rear side of the inner shell, and the air outlet extends outwards through the output port; the driving device comprises a rotating shaft, a motor, a driving belt pulley, a driven belt pulley and a driving belt. Through locating the inner shell in the cushion chamber in suspension to the air intake has all been seted up to the cooperation in the left and right sides of inner shell, and the both ends of impeller are the air inlet side simultaneously, make the air inlet smooth and easy, and the volume of airing exhaust is big, in order to avoid producing great noise, is favorable to reaching silence effect, this product simple structure, equipment is convenient, brings the facility for the use.
Description
Technical Field
The utility model relates to the technical field of fans, in particular to a mute simple smoke exhaust fan.
Background
The smoke exhaust fan is a machine which can rapidly exhaust the peculiar smell, high temperature and oil smoke generated in the process of processing food in a kitchen, and has the characteristics of good high temperature resistance and high efficiency. The types of fans include centrifugal fans, axial fans, centrifugal fans and axial fans, and the fans are selected to be suitable for small and large machines according to the space size and the arrangement condition of the fume exhaust hood.
The main structure of the existing smoke exhaust fan comprises a shell, an impeller and a driving device, wherein a centrifugal air channel is arranged in the shell, an air inlet is formed in one side of the shell, an air outlet is formed in the top of the shell, the impeller is rotatably arranged in the centrifugal air channel, the driving device is arranged on the shell and drives the impeller to rotate, and the impeller is driven by the driving device to rotate at a high speed, so that gas is input from the air inlet and then output from the air outlet.
However, in the prior art, the air inlet is only one and is positioned at one side of the shell, so that the air inlet is not smooth, large noise is easy to generate, and the silencing effect cannot be achieved, therefore, the current smoke exhaust fan is required to be improved.
Disclosure of Invention
In view of the above, the present utility model aims at overcoming the drawbacks of the prior art, and its primary objective is to provide a silent simple smoke exhaust fan, which can effectively solve the problem that the existing smoke exhaust fan is prone to generate larger noise.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
a mute simple smoke exhaust fan comprises a box body, an inner shell, a driving device and an impeller;
the box body is internally provided with a buffer cavity, one side of the box body is provided with an input port communicated with the buffer cavity, and the other side of the box body is provided with an output port;
the inner shell is suspended in the buffer cavity, the front side of the inner shell is arc-shaped and is opposite to the input port, a centrifugal air channel is arranged in the inner shell, air inlets are formed in the left side and the right side of the inner shell, the two air inlets are communicated between the buffer cavity and the centrifugal air channel, an air outlet communicated with the centrifugal air channel is formed in the rear side of the inner shell, and the air outlet extends outwards through the output port;
the driving device comprises a rotating shaft, a motor, a driving belt pulley, a driven belt pulley and a driving belt; the rotating shaft is rotatably arranged in the inner shell, and two ends of the rotating shaft extend out of the two air inlets respectively; the motor is fixed on the box body; the driving belt wheel is fixed on an output shaft of the motor; the driven belt wheel is fixed at one end of the rotating shaft; the driving belt is connected between the driving belt pulley and the driven belt pulley;
the impeller is fixed on the rotating shaft and positioned in the centrifugal air duct, the impeller is driven by the rotating shaft to rotate, two ends of the impeller are air inlet sides, the two air inlet sides are respectively opposite to the two air inlets, the peripheral side surface of the impeller is an air outlet side, and the air outlet side is opposite to the air outlet.
As a preferable scheme, the air inlet is in a horn shape which is outwards opened, so that air inlet is smooth, and noise is avoided.
As a preferable scheme, the box body is of a square structure, the input port and the output port are square, and the input port is larger than the output port.
As a preferable scheme, the motor is fixed at the top of the box body, and the motor is simple in structure and convenient to assemble.
As a preferable scheme, one end of the rotating shaft extends out of the box body, the driven belt wheel and the driving belt are both positioned outside the box body, and a protective cover is arranged outside the box body and covers the driving belt wheel, the driven belt wheel and the driving belt.
Compared with the prior art, the utility model has obvious advantages and beneficial effects, and in particular, the technical scheme can be as follows:
through locating the inner shell in the cushion chamber in suspension to the air intake has all been seted up to the cooperation in the left and right sides of inner shell, and the both ends of impeller are the air inlet side simultaneously, make the air inlet smooth and easy, and the volume of airing exhaust is big, in order to avoid producing great noise, is favorable to reaching silence effect, this product simple structure, equipment is convenient, brings the facility for the use.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
Drawings
FIG. 1 is a schematic perspective view of a preferred embodiment of the present utility model;
FIG. 2 is a schematic perspective view of another angle of the preferred embodiment of the present utility model;
FIG. 3 is a cross-sectional view of a preferred embodiment of the present utility model;
FIG. 4 is another cross-sectional view of the preferred embodiment of the present utility model.
The attached drawings are used for identifying and describing:
10. box 11, buffer chamber
12. Input port 13 and output port
20. Inner shell 21, centrifugal air duct
22. Air inlet 23 and air outlet
30. Drive device 31, rotary shaft
32. Motor 33, driving pulley
34. Driven pulley 35, drive belt
36. Protective cover 40 and impeller
41. An air inlet side 42 and an air outlet side.
Detailed Description
Referring to fig. 1 to 4, a specific structure of a preferred embodiment of the present utility model is shown, which includes a casing 10, an inner casing 20, a driving device 30 and an impeller 40.
The box body 10 is internally provided with a buffer cavity 11, one side of the box body 10 is provided with an input port 12 communicated with the buffer cavity 11, and the other side of the box body 10 is provided with an output port 12. In this embodiment, the case 10 has a square structure, the case 10 is made of stainless steel, the input port 12 and the output port 13 are square, and the input port 12 is larger than the output port 13.
The inner shell 20 is suspended in the buffer cavity 11, the front side of the inner shell 20 is arc-shaped and faces the input port 12, a centrifugal air duct 21 is arranged in the inner shell 20, air inlets 22 are formed in the left side and the right side of the inner shell 20, the two air inlets 22 are communicated between the buffer cavity 11 and the centrifugal air duct 21, an air outlet 23 communicated with the centrifugal air duct 21 is formed in the rear side of the inner shell 20, and the air outlet 23 extends outwards through the output port 13. In this embodiment, the air inlet 22 is flared outwards to enable air intake to be smooth, and noise is avoided.
The driving device 30 comprises a rotating shaft 31, a motor 32, a driving belt pulley 33, a driven belt pulley 34 and a transmission belt 35; the rotating shaft 31 is rotatably disposed in the inner housing 20, and two ends of the rotating shaft 31 respectively extend out of the two air inlets 22; the motor 32 is fixed on the case 10; the driving pulley 33 is fixed to an output shaft of the motor 32; the driven pulley 34 is fixed to one end of the rotating shaft 31; the drive belt 35 is connected between the driving pulley 33 and the driven pulley 34. In this embodiment, the motor 32 is fixed on the top of the case 10, one end of the rotating shaft 31 extends out of the case 10, the driven pulley 34 and the driving belt 35 are both located outside the case 10, and a protective cover 36 is disposed outside the case 10, and the protective cover 36 covers the driving pulley 33, the driven pulley 34 and the driving belt 35.
The impeller 40 is fixed on the rotating shaft 31 and positioned in the centrifugal air duct 21, the impeller 40 is driven by the rotating shaft 31 to rotate, two ends of the impeller 40 are provided with air inlet sides 41, the two air inlet sides 41 are respectively opposite to the two air inlets 22, the peripheral side surface of the impeller 40 is provided with an air outlet side 42, and the air outlet side 42 is opposite to the air outlet 23.
The working principle of the embodiment is described in detail as follows:
when the centrifugal air pump is used, firstly, the motor 32 is started, the motor 32 drives the rotating shaft 31 to rotate at a high speed through the transmission belt 35, the impeller 40 rotates along with the rotating shaft 31 at a high speed, under the action of the high-speed rotation of the impeller 40, gas enters the buffer cavity 11 from the input port 12, then enters the centrifugal air duct 21 from the two air inlets 22 respectively, and finally, the gas is output from the air outlet 23.
The design focus of the utility model is that: through locating the inner shell in the cushion chamber in suspension to the air intake has all been seted up to the cooperation in the left and right sides of inner shell, and the both ends of impeller are the air inlet side simultaneously, make the air inlet smooth and easy, and the volume of airing exhaust is big, in order to avoid producing great noise, is favorable to reaching silence effect, this product simple structure, equipment is convenient, brings the facility for the use.
The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the technical scope of the present utility model, so any minor modifications, equivalent changes and modifications made to the above embodiments according to the technical principles of the present utility model are still within the scope of the technical solutions of the present utility model.
Claims (5)
1. A simple and easy formula smoke ventilator of silence, its characterized in that: comprises a box body, an inner shell, a driving device and an impeller;
the box body is internally provided with a buffer cavity, one side of the box body is provided with an input port communicated with the buffer cavity, and the other side of the box body is provided with an output port;
the inner shell is suspended in the buffer cavity, the front side of the inner shell is arc-shaped and is opposite to the input port, a centrifugal air channel is arranged in the inner shell, air inlets are formed in the left side and the right side of the inner shell, the two air inlets are communicated between the buffer cavity and the centrifugal air channel, an air outlet communicated with the centrifugal air channel is formed in the rear side of the inner shell, and the air outlet extends outwards through the output port;
the driving device comprises a rotating shaft, a motor, a driving belt pulley, a driven belt pulley and a driving belt; the rotating shaft is rotatably arranged in the inner shell, and two ends of the rotating shaft extend out of the two air inlets respectively; the motor is fixed on the box body; the driving belt wheel is fixed on an output shaft of the motor; the driven belt wheel is fixed at one end of the rotating shaft; the driving belt is connected between the driving belt pulley and the driven belt pulley;
the impeller is fixed on the rotating shaft and positioned in the centrifugal air duct, the impeller is driven by the rotating shaft to rotate, two ends of the impeller are air inlet sides, the two air inlet sides are respectively opposite to the two air inlets, the peripheral side surface of the impeller is an air outlet side, and the air outlet side is opposite to the air outlet.
2. The silent easy smoke exhaust ventilator according to claim 1, wherein: the air inlet is in a horn shape which is outwards opened.
3. The silent easy smoke exhaust ventilator according to claim 1, wherein: the box body is square body structure, and this input port and delivery outlet are square, and the input port is greater than the delivery outlet.
4. The silent easy smoke exhaust ventilator according to claim 1, wherein: the motor is fixed at the top of the box body.
5. The silent easy smoke exhaust ventilator according to claim 1, wherein: one end of the rotating shaft extends out of the box body, the driven belt wheel and the driving belt are both positioned outside the box body, and a protective cover is arranged outside the box body and covers the driving belt wheel, the driven belt wheel and the driving belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550615.0U CN219412961U (en) | 2022-12-30 | 2022-12-30 | Simple and easy formula smoke ventilator of silence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202223550615.0U CN219412961U (en) | 2022-12-30 | 2022-12-30 | Simple and easy formula smoke ventilator of silence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219412961U true CN219412961U (en) | 2023-07-25 |
Family
ID=87238601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202223550615.0U Active CN219412961U (en) | 2022-12-30 | 2022-12-30 | Simple and easy formula smoke ventilator of silence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219412961U (en) |
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2022
- 2022-12-30 CN CN202223550615.0U patent/CN219412961U/en active Active
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