CN214499561U - Mute volute, volute component and range hood - Google Patents
Mute volute, volute component and range hood Download PDFInfo
- Publication number
- CN214499561U CN214499561U CN202120288246.9U CN202120288246U CN214499561U CN 214499561 U CN214499561 U CN 214499561U CN 202120288246 U CN202120288246 U CN 202120288246U CN 214499561 U CN214499561 U CN 214499561U
- Authority
- CN
- China
- Prior art keywords
- plate
- volute
- frequency
- air outlet
- processing part
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
A mute volute, a volute component and a range hood, wherein the mute volute comprises a front volute plate, a rear volute plate, an inner volute enclosure plate and an outer volute enclosure plate, wherein one end of the inner volute enclosure plate is provided with an inner straight air outlet plate, the other end of the inner volute enclosure plate is provided with an inclined air outlet plate, and the inner volute enclosure plate is sequentially provided with a high-frequency mute processing part, a medium-frequency mute processing part and a low-frequency mute processing part from an air inlet side to an air outlet side; one end of the outer volute casing enclosing plate is provided with an outer straight air outlet plate; the front volute plate and the rear volute plate are respectively fixed with the front end and the rear end of the inner volute enclosing plate, the outer volute enclosing plate surrounds the inner volute enclosing plate and forms a silencing cavity, and two ends of the silencing plate are opened; the outer straight air outlet plate, the inclined air outlet plate, the front volute plate and the rear volute plate form an air outlet. The arrangement of the inner volute casing surrounding plate and the outer volute casing surrounding plate, and the arrangement of the high-frequency mute processing part, the medium-frequency mute processing part and the low-frequency mute processing part which are sequentially arranged on the inner volute casing surrounding plate from the air inlet side to the air outlet side eliminate noise.
Description
Technical Field
The utility model belongs to the technical field of the electrical apparatus technique and specifically relates to crucible shell, spiral case subassembly and range hood.
Background
At present, in the prior art, a volute component and a range hood. The volute comprises a volute front plate, a volute rear plate and a volute enclosing plate, the volute front plate and the volute rear plate are respectively arranged on two sides of the volute enclosing plate and enclose an air duct, and an air outlet is formed in one end of the air duct; the volute front plate and the volute rear plate are annular plates, the inner ring of each volute front plate and the inner ring of each volute rear plate are circular, and the outer ring of each volute front plate and the outer ring of each volute rear plate are in an involute shape; a plurality of first profiling grooves are formed in the volute rear plate; the first profiling grooves are sequentially arranged along the involute direction of the volute rear plate. There are problems in that: the noise is large.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem of high noise, a mute volute, a volute assembly and a range hood are provided.
The utility model discloses a realize like this: a mute volute is characterized in that: comprises a front volute plate, a rear volute plate, an inner volute casing plate and an outer volute casing plate,
one end of the inner volute casing wall plate is provided with an inner straight air outlet plate, the other end of the inner volute casing wall plate is provided with an inclined air outlet plate, and the inner volute casing wall plate is sequentially provided with a high-frequency mute processing part, a medium-frequency mute processing part and a low-frequency mute processing part from the air inlet side to the air outlet side;
one end of the outer volute casing enclosing plate is provided with an outer straight air outlet plate;
the front volute plate and the rear volute plate are respectively fixed with the front end and the rear end of the inner volute enclosing plate, the outer volute enclosing plate surrounds the inner volute enclosing plate and forms a silencing cavity, and two ends of the silencing plate are opened; the outer straight air outlet plate, the inclined air outlet plate, the front volute plate and the rear volute plate form an air outlet.
Preferably: the high-frequency mute processing part, the medium-frequency mute processing part and the low-frequency mute processing part are respectively provided with a high-frequency bloop, a medium-frequency bloop and a low-frequency bloop, and the diameters of the high-frequency bloop, the medium-frequency bloop and the low-frequency bloop are sequentially increased.
Preferably: the silencing cavity is gradually opened.
Preferably: the aperture ratio of the high-frequency mute processing section, the medium-frequency mute processing section and the low-frequency mute processing section is gradually reduced.
Preferably: the baffle group is arranged at the junction of the high-frequency mute processing part and the medium-frequency mute processing part and the junction of the medium-frequency mute processing part and the low-frequency mute processing part; the baffle group consists of two baffles, one baffle has one end fixed to the front worm plate and the other end suspended, the other baffle has one end fixed to the back worm plate and the other end suspended, and there is a gap between the two baffles.
A volute assembly, characterized by: comprises the mute volute, an impeller, a motor and a motor base,
the motor seat comprises a cylindrical seat and a circular seat plate, and the circular seat plate is provided with a pressure relief hole; the cylindrical seat is inserted into the inner volute coaming, the motor is fixed with the cylindrical seat, and the annular seat plate is fixed with the rear volute plate.
A range hood comprises a wind cabinet and the volute component, wherein the wind outlet hole of the volute is communicated with the through hole in the top plate of the wind cabinet.
The technical scheme of the utility model, the setting of interior spiral case bounding wall and outer spiral case bounding wall, and interior spiral case bounding wall is equipped with high frequency silence processing portion, is intermediate frequency silence processing portion and is the setting of low frequency silence processing portion by the air inlet side in proper order to the air-out side, has eliminated the noise.
Drawings
Fig. 1 is a sectional view of the present invention.
Fig. 2 is a view a-a of fig. 1.
Fig. 3 is one of the exploded perspective views of the present invention.
Fig. 4 is a second exploded perspective view of the present invention.
Fig. 5 is a perspective view of the inner volute wall plate of the present invention.
Fig. 6 is one of perspective views of the present invention.
Fig. 7 is a second perspective view of the present invention.
Detailed Description
The present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1 and 2, a mute volute comprises a front volute plate 1, a rear volute plate 2, an inner volute casing 3 and an outer volute casing 4,
an inner straight air outlet plate 31 is arranged at one end of the inner volute casing plate 3, an inclined air outlet plate 32 is arranged at the other end of the inner volute casing plate 3, and a high-frequency mute processing part 33, a medium-frequency mute processing part 34 and a low-frequency mute processing part 35 are sequentially arranged on the inner volute casing plate 3 from the air inlet side to the air outlet side;
one end of the outer volute casing enclosing plate 4 is provided with an outer straight air outlet plate 41;
the front volute plate 1 and the rear volute plate 2 are respectively fixed with the front end and the rear end of the inner volute casing enclosing plate 2, the outer volute casing 4 enclosing plate surrounds the inner volute casing enclosing plate 3 and forms a silencing cavity 5, and openings 51 are formed at two ends of the silencing plate; the outer straight air outlet plate 41, the inclined air outlet plate 32, the front scroll plate 1 and the rear scroll plate 2 form an air outlet A, and the inner straight air outlet plate 31 is positioned in the air outlet A;
as shown in fig. 5, the high frequency mute processing section 33, the intermediate frequency mute processing section 34 and the low frequency mute processing section 35 are respectively provided with a high frequency sound deadening hole 331, an intermediate frequency sound deadening hole 341 and a low frequency sound deadening hole 351, and the diameters of the high frequency sound deadening hole 331, the intermediate frequency sound deadening hole 341 and the low frequency sound deadening hole 351 are increased in this order.
As shown in fig. 1, the silencing chamber 5 is gradually opened along the clockwise direction, and the volume of the silencing chamber 5 is gradually increased along the clockwise direction.
The aperture ratio of the high frequency mute processing section 33, the medium frequency mute processing section 34, and the low frequency mute processing section 35 is gradually decreased.
As a further improvement of the utility model: as shown in fig. 1 and 4, the noise suppression device further includes a baffle group 6, and the baffle group 6 is disposed at the boundary between the high-frequency muting processing unit 33 and the intermediate-frequency muting processing unit 34, and between the intermediate-frequency muting processing unit 34 and the low-frequency muting processing unit 35; the baffle group 6 is composed of two baffle sheets 61, one end of one baffle sheet 61 is fixed with the front scroll plate 1, the other end is suspended, one end of the other baffle sheet 61 is fixed with the rear scroll plate 2, the other end is suspended, and a gap is arranged between the two baffle sheets 61.
As shown in fig. 2 and 3, a scroll casing assembly includes the above-mentioned mute scroll casing, an impeller 71, a motor 72 and a motor base 73,
the motor base 73 comprises a cylindrical base 731 and a circular base plate 732, and a pressure relief hole 733 is formed in the circular base plate 732; the cylindrical seat 731 is inserted into the inner volute casing enclosing plate 3, the motor 72 is fixed with the cylindrical seat 731, and the annular seat plate 732 is fixed with the rear volute casing 2.
A range hood: the volute comprises an air cabinet 8 and the volute component, wherein an air outlet A of the volute is communicated with a through hole in a top plate of the air cabinet 8.
What has been described above is only a preferred embodiment of the present invention. It should be noted that, for a person skilled in the art, several modifications and variations can be made without departing from the principle of the invention, which is also considered as the protection scope of the invention.
Claims (7)
1. A mute volute, which is characterized in that: comprises a front volute plate, a rear volute plate, an inner volute casing plate and an outer volute casing plate,
one end of the inner volute casing wall plate is provided with an inner straight air outlet plate, the other end of the inner volute casing wall plate is provided with an inclined air outlet plate, and the inner volute casing wall plate is sequentially provided with a high-frequency mute processing part, a medium-frequency mute processing part and a low-frequency mute processing part from the air inlet side to the air outlet side;
one end of the outer volute casing enclosing plate is provided with an outer straight air outlet plate;
the front volute plate and the rear volute plate are respectively fixed with the front end and the rear end of the inner volute enclosing plate, the outer volute enclosing plate surrounds the inner volute enclosing plate and forms a silencing cavity, and two ends of the silencing plate are opened; the outer straight air outlet plate, the inclined air outlet plate, the front volute plate and the rear volute plate form an air outlet.
2. A quiet volute according to claim 1, wherein: the high-frequency mute processing part, the medium-frequency mute processing part and the low-frequency mute processing part are respectively provided with a high-frequency bloop, a medium-frequency bloop and a low-frequency bloop, and the diameters of the high-frequency bloop, the medium-frequency bloop and the low-frequency bloop are sequentially increased.
3. A quiet volute according to claim 1, wherein: the silencing cavity is gradually opened.
4. A quiet volute according to claim 2, wherein: the aperture ratio of the high-frequency mute processing section, the medium-frequency mute processing section and the low-frequency mute processing section is gradually reduced.
5. A quiet volute according to claim 1, 2, 3 or 4, wherein: the baffle group is arranged at the junction of the high-frequency mute processing part and the medium-frequency mute processing part and the junction of the medium-frequency mute processing part and the low-frequency mute processing part; the baffle group consists of two baffles, one baffle has one end fixed to the front worm plate and the other end suspended, the other baffle has one end fixed to the back worm plate and the other end suspended, and there is a gap between the two baffles.
6. A volute assembly, comprising: comprising a quiet volute, an impeller, a motor and a motor mount according to any one of the preceding claims 1-5,
the motor seat comprises a cylindrical seat and a circular seat plate, and the circular seat plate is provided with a pressure relief hole; the cylindrical seat is inserted into the inner volute coaming, the motor is fixed with the cylindrical seat, and the annular seat plate is fixed with the rear volute plate.
7. A range hood, its characterized in that: the volute assembly comprises a wind cabinet and the volute assembly as claimed in claim 6, wherein the air outlet hole of the volute is communicated with the through hole in the top plate of the wind cabinet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288246.9U CN214499561U (en) | 2021-02-01 | 2021-02-01 | Mute volute, volute component and range hood |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120288246.9U CN214499561U (en) | 2021-02-01 | 2021-02-01 | Mute volute, volute component and range hood |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214499561U true CN214499561U (en) | 2021-10-26 |
Family
ID=78218632
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120288246.9U Active CN214499561U (en) | 2021-02-01 | 2021-02-01 | Mute volute, volute component and range hood |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214499561U (en) |
-
2021
- 2021-02-01 CN CN202120288246.9U patent/CN214499561U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US2225398A (en) | Construction of ventilating fans | |
| US8025477B2 (en) | Plenum/plug fan assembly | |
| JP5353137B2 (en) | Recessed ceiling ventilation fan | |
| JP5135966B2 (en) | Centrifugal blower | |
| JPH0894146A (en) | Ceiling embedded type ventilating fan | |
| CN211423009U (en) | Frequency-adjustable noise-reducing centrifugal ventilator and volute thereof | |
| JP2009197623A (en) | Centrifugal blower | |
| CN214499561U (en) | Mute volute, volute component and range hood | |
| CN208765234U (en) | Assembling bracket, fan assembly and air conditioner | |
| CN208671181U (en) | Assembling bracket, fan assembly and air conditioner | |
| CN114076335B (en) | Fume exhaust device | |
| JP5309516B2 (en) | Centrifugal blower | |
| CN210509333U (en) | Silencer of generator set | |
| CN110822506B (en) | Volute for range hood, fan and range hood | |
| JP2005171838A (en) | Exhaust fan | |
| CN108386889B (en) | Fume exhaust fan | |
| JP2009092009A (en) | Centrifugal blower | |
| CN110925240A (en) | Frequency-adjustable noise-reducing centrifugal ventilator and volute thereof | |
| JP5617906B2 (en) | Centrifugal blower | |
| CN215256975U (en) | Noise-reduction volute tongue, volute, fan and range hood | |
| CN111096708B (en) | Air outlet cover assembly of dust collector and dust collector with same | |
| CN211174608U (en) | Silencing assembly, exhaust system and scroll compressor | |
| CN210053554U (en) | Miniature loudspeaker box and electronic equipment | |
| CN110617225A (en) | Silencing assembly, exhaust system and scroll compressor | |
| CN109595649B (en) | Near-suction type range hood |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |