CN218780514U - High-efficient silence fan - Google Patents
High-efficient silence fan Download PDFInfo
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- CN218780514U CN218780514U CN202222831526.7U CN202222831526U CN218780514U CN 218780514 U CN218780514 U CN 218780514U CN 202222831526 U CN202222831526 U CN 202222831526U CN 218780514 U CN218780514 U CN 218780514U
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- impeller
- main body
- air inlet
- air
- connecting part
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Abstract
The utility model discloses a high-efficiency silent fan, which comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surface of the bracket is hollowed out; the utility model discloses the during operation, the air current that is thrown away from between the adjacent heliciform blade most can directly cover the venthole of equipartition from the air-out and discharge, and the route of air current is direct promptly, and is shortest, and does not have the hindrance almost, therefore efficient, and the noise is low.
Description
Technical Field
The utility model belongs to the technical field of the dust catcher and specifically relates to a during operation, the air current that is thrown away from between the adjacent heliciform blade most can directly cover the venthole of equipartition from the air-out and discharge, and the route of air current is direct promptly, and is shortest, and does not have the fender almost, therefore efficient, and the high-efficient silence fan that the noise is low.
Background
The working principle of the dust collector is that a fan of the dust collector rotates at a high speed, air is sucked from a suction inlet, a dust barrel generates certain vacuum, dust enters the dust barrel and is separated out, and clean air flow is discharged through the fan; when the air conditioner works, air flow thrown out from the space between the adjacent spiral blades firstly touches the side wall of the groove on the upper surface of the air inlet base and then climbs, and after the air flow turns over the side wall, the air flow is discharged from the air outlet holes uniformly distributed on the air outlet cover; the fan increases the path of the airflow, and also has the problem of changing the advancing direction of the airflow, thereby causing energy loss and simultaneously having high noise.
Therefore, a high-efficiency mute fan which is high in efficiency and low in noise is developed, wherein most of air flow thrown out from the adjacent spiral blades can be directly discharged from air outlet holes uniformly distributed on an air outlet cover when the fan works, namely, the air flow path is direct, shortest and almost free from blocking.
Disclosure of Invention
The utility model aims at overcoming prior art's not enough and provide a during operation, the air current that is thrown away from between the adjacent heliciform blade most can directly follow the venthole of air-out cover equipartition and discharge, and the route of air current is direct promptly, and is shortest, and does not have the fender almost, therefore efficient, and the high-efficient silence fan that the noise is low.
In order to achieve the above purpose, the utility model adopts the technical scheme that: a high-efficiency silent fan comprises a main body, an air inlet base and an air outlet cover; the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
Preferably, an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover.
Preferably, the impeller head is disposed inside the bracket.
Preferably, the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is located above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals to form large-area hollow parts.
Preferably, the connecting blocks are uniformly distributed.
Preferably, the upper connecting part is annular; the lower connecting part is also annular; the connecting blocks are 4 and evenly distributed.
Preferably, the upper surface of the impeller is provided with regularly arranged helical blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
in the high-efficiency silent fan, the main body is connected with the air inlet base through the bracket, and after the high-efficiency silent fan is assembled, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blade on the upper surface of the impeller; when the air-out cover works, most of air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air-out cover, namely, the air flow path is direct, shortest and almost free from blockage, so that the efficiency is high, and the noise is low.
Drawings
The technical scheme of the utility model is further explained by combining the attached drawings as follows:
fig. 1 is a three-dimensional structure diagram of the high-efficiency silent fan of the present invention;
fig. 2 is a front view of the high-efficiency silent fan of the present invention;
FIG. 3 is a cross-sectional view of FIG. 2;
fig. 4 is a perspective view of the high-efficiency silent fan at a first angle after the air outlet cover is removed;
fig. 5 is a perspective view of the high-efficiency silent fan at a second angle after the air outlet cover is removed;
fig. 6 is a three-dimensional enlarged view of the bracket for the high-efficiency silent fan according to the present invention;
wherein: 1. a main body; 2. an air inlet base; 3. a support; 4. a motor; 5. an impeller head cover; 6. an impeller; 7. an air outlet cover; 8. a first seal ring; 9. a second seal ring; 31. an upper connecting portion; 32. a lower connecting portion; 33. and (7) connecting the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-6, the high-efficiency silent fan of the present invention includes a main body 1, an air inlet base 2 and an air outlet cover 7; the main body 1 is connected with the air inlet base 2 through a bracket 3; the main body 1 is used for mounting a motor 4; the impeller top cover 5 is arranged inside the bracket 3; an output shaft of the motor 4 is connected with the impeller top cover 5 and used for driving the impeller top cover 5 to rotate; the impeller 6 is fixed on the lower surface of the impeller top cover 5 and rotates along with the impeller top cover 5; the main part 1 and the air inlet base 2 are arranged in the air outlet cover 7, the main part 1 and the air outlet cover 7 are sealed by a second sealing ring 9, and the air inlet base 2 and the air outlet cover 7 are sealed by a first sealing ring 8.
The bracket 3 comprises an upper connecting part 31 and a lower connecting part 32; the upper connecting part 31 is positioned above the lower connecting part 32, and the upper connecting part 31 and the lower connecting part 32 are connected through connecting blocks 33 arranged at intervals to form large-area hollow parts; the connecting blocks 33 are uniformly distributed; in the present embodiment, the upper connecting portion 31 has an annular shape; the lower connecting portion 32 is also annular; the connecting blocks 33 are 4 and uniformly distributed.
The upper surface of the impeller 6 is provided with regularly arranged helical blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades on the impeller 6.
During operation, external air flow enters from an air inlet in the middle of the lower surface of the air inlet base 2, is thrown out from the space between adjacent spiral blades after being stirred by the impeller 6, and after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blades; most of the air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air outlet cover 7, that is, the bracket 3 hardly blocks the advancing direction of the air flow thrown out from the adjacent spiral blades, and hardly forces the air flow thrown out from the adjacent spiral blades to change the original advancing direction, that is, the route of the air flow is direct, shortest and almost without blocking, so that the efficiency is high, and the noise is low.
Because of above-mentioned technical scheme's application, compared with the prior art, the utility model have the following advantage:
in the high-efficiency silent fan, the main body 1 is connected with the air inlet base 2 through the bracket 3, and after assembly, the highest point of the periphery of the upper surface of the air inlet base 2 is not higher than half of the height of the spiral blade on the upper surface of the impeller 6; when the air-out cover works, most of air flow thrown out from the adjacent spiral blades can be directly discharged from the air outlet holes uniformly distributed on the air-out cover 7, namely, the air flow route is direct, shortest and almost without obstruction, so that the efficiency is high, and the noise is low.
The above embodiments are only for illustrating the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and the protection scope of the present invention can not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (7)
1. A high-efficiency silent fan comprises a main body, an air inlet base and an air outlet cover; the method is characterized in that: the main body is connected with the air inlet base through a bracket; the main body is used for mounting a motor; the output shaft of the motor can drive the impeller to rotate; the main body and the air inlet base are arranged in the air outlet cover, the main body and the air outlet cover are sealed by a second sealing ring, and the air inlet base and the air outlet cover are sealed by a first sealing ring; most of the side surfaces of the bracket are hollowed out.
2. The high efficiency silent fan of claim 1, wherein: an output shaft of the motor is connected with the impeller top cover and used for driving the impeller top cover to rotate; the impeller is fixed on the lower surface of the impeller top cover and rotates along with the impeller top cover.
3. The high efficiency silent fan of claim 2, wherein: the impeller top cover is arranged inside the bracket.
4. The high efficiency silent fan of claim 1, wherein: the bracket comprises an upper connecting part and a lower connecting part; the upper connecting part is located above the lower connecting part, and the upper connecting part and the lower connecting part are connected through connecting blocks arranged at intervals to form large-area hollow parts.
5. The high efficiency silent fan of claim 4, wherein: the connecting blocks are uniformly distributed.
6. The high efficiency silent fan of claim 4, wherein: the upper connecting part is annular; the lower connecting part is also in a circular ring shape; the connecting blocks are 4 and evenly distributed.
7. The high efficiency silent fan of claim 1, wherein: the upper surface of the impeller is provided with regularly arranged spiral blades; after assembly, the highest point of the periphery of the upper surface of the air inlet base is not higher than half of the height of the spiral blades on the impeller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222831526.7U CN218780514U (en) | 2022-10-26 | 2022-10-26 | High-efficient silence fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222831526.7U CN218780514U (en) | 2022-10-26 | 2022-10-26 | High-efficient silence fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218780514U true CN218780514U (en) | 2023-03-31 |
Family
ID=85710390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222831526.7U Active CN218780514U (en) | 2022-10-26 | 2022-10-26 | High-efficient silence fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218780514U (en) |
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2022
- 2022-10-26 CN CN202222831526.7U patent/CN218780514U/en active Active
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