CN211174661U - Centrifugal fan with drainage function - Google Patents
Centrifugal fan with drainage function Download PDFInfo
- Publication number
- CN211174661U CN211174661U CN201922067020.1U CN201922067020U CN211174661U CN 211174661 U CN211174661 U CN 211174661U CN 201922067020 U CN201922067020 U CN 201922067020U CN 211174661 U CN211174661 U CN 211174661U
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- China
- Prior art keywords
- cover plate
- impeller
- driving shaft
- rear cover
- fan
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- Expired - Fee Related
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Abstract
The utility model discloses a centrifugal fan with drainage function, including fan casing, front shroud, back shroud and impeller connect the inside at the casing. The fan comprises a fan shell, a front cover plate, a rear cover plate, a water outlet pipeline, a pressing plate, a sealing cover, a driving shaft, a motor and a plurality of bolts, wherein the water outlet pipeline is arranged below two sides of an air outlet pipeline of the fan shell, the air outlet pipeline is arranged below the front cover plate and the rear cover plate, the air inlet pipeline is arranged on the side wall of the front cover plate and the side wall of the air outlet pipeline, the pressing plate is arranged at the lower end of the rear cover plate, the sealing cover is arranged and connected with the pressing plate. The utility model is additionally provided with the drain holes to drain accumulated water remained in the centrifugal fan in time; the driving shaft and the linkage shaft are additionally arranged to connect the impeller and the motor, so that sufficient power supply of the impeller is effectively ensured, and the running efficiency of the impeller is improved.
Description
Technical Field
The utility model belongs to the technical field of fan equipment technique and specifically relates to a centrifugal fan with drainage function is related to.
Background
The blower is a short name for a gas compression and gas delivery machine, and generally comprises a ventilator, a blower and a wind driven generator. Gas compression and gas delivery machines are machines that convert rotational mechanical energy into gas pressure energy and kinetic energy and deliver the gas out. The main structural components of the fan are an impeller, a shell, an air inlet, a bracket, a point solution, a motor and the like.
In the prior art, a large amount of accumulated water often remains in a centrifugal fan, and the working efficiency of the fan is seriously influenced; the fan impeller often leads to the impeller to rotate the circumstances of debilitating because of the power is not enough in the rotation process, is difficult to satisfy the needs of production life.
Disclosure of Invention
The purpose of the invention is as follows: the utility model discloses to prior art's shortcoming with not enough, provide a centrifugal fan with drainage function. The utility model is additionally provided with the drain holes to drain accumulated water remained in the centrifugal fan in time; the driving shaft and the linkage shaft are additionally arranged to connect the impeller and the motor, so that sufficient power supply of the impeller is effectively ensured, and the running efficiency of the impeller is improved.
The technical scheme is as follows: in order to realize the above purpose, the utility model discloses the technical scheme who adopts is: the centrifugal fan comprises a fan shell, a front cover plate, a rear cover plate and an impeller, wherein the front cover plate, the rear cover plate and the impeller are connected inside the fan shell, the front cover plate and the rear cover plate are oppositely arranged, the impeller is connected between the front cover plate and the rear cover plate, and a driving shaft is arranged in the middle of the impeller.
Arranging a drain hole below two sides of an air outlet pipeline of a fan shell, wherein at least 2 drain holes are formed, arranging an asbestos rope to be filled on one surface of a front cover plate facing a rear cover plate, arranging an asbestos rope to be filled on one surface of the rear cover plate facing the front cover plate, arranging an air outlet pipeline below the front cover plate and the rear cover plate, arranging an air inlet pipeline to be connected on the side walls of the front cover plate and the air outlet pipeline, arranging a pressing plate to be connected at the lower end of the rear cover plate, arranging a sealing cover to be connected with the pressing plate, connecting the pressing plate between the rear cover plate and the sealing cover, connecting the sealing cover between the pressing plate and the air outlet pipeline, arranging a linkage shaft to be connected with a driving shaft, connecting one end of the driving shaft with an impeller and the other end with the linkage shaft, arranging a motor to be connected, a shell sleeve is arranged and connected to the surface of the driving shaft, the shell sleeve is wrapped outside the driving shaft, and a plurality of bolts are arranged and connected to the surface of the shell sleeve.
A transmission bracket group is arranged above the driving shaft, one end of a triangular bracket plate is connected with the rear cover plate, and the other end of the triangular bracket plate is connected with the top end of the transmission bracket group.
The foundation bolt is connected in the bottom of motor, sets up a packing ring between motor and foundation bolt.
The two sides of the bottom end of the surface of the fan shell are respectively provided with a connecting base, and a connecting bolt penetrates through the lower portion of the connecting base.
Has the advantages that: compared with the prior art, the utility model, its beneficial effect is:
1. the utility model discloses add the inside remaining ponding of the timely drainage centrifugal fan of wash port.
2. The utility model discloses add drive shaft and interlock axle connection impeller and motor, effectively ensure that the impeller power supply is sufficient, improve the running efficiency of impeller.
3. The utility model discloses simple structure, the large-scale production and the use of being convenient for.
Drawings
Fig. 1 is a front view of the centrifugal fan with water drainage function of the present invention.
Fig. 2 is a schematic structural diagram of the present invention.
Fig. 3 is a schematic view of the connection between the front cover plate and the asbestos cord of the present invention.
Fig. 4 is a schematic view of the connection between the pressing plate and the sealing cover of the present invention.
The reference symbols: 1. a fan housing; 2. a drain hole; 3. a front cover plate; 4. an asbestos cord; 5. a rear cover plate; 6. an impeller; 7. pressing a plate; 8. a sealing cover; 9. a triangular support plate; 10. a transmission support group; 11. a linkage shaft; 12. an electric motor; 13. anchor bolts; 14. an air inlet pipeline; 15. a bolt; 16. and connecting the bolts.
Detailed Description
The present invention will be further described with reference to the following detailed description.
As shown in fig. 1, 2, 3 and 4, a centrifugal fan with a water drainage function includes a fan casing 1, a front cover plate 3, a rear cover plate 5 and an impeller 6, wherein the front cover plate 3, the rear cover plate 5 and the impeller 6 are connected inside the fan casing 1, the front cover plate 3 and the rear cover plate 5 are arranged oppositely, the impeller 6 is connected between the front cover plate 3 and the rear cover plate 5, and a driving shaft is arranged in the middle of the impeller 6.
Arranging a drain hole 2 connected below two sides of an air outlet pipeline of a fan shell 1, wherein the number of the drain holes 2 is at least 2, arranging an asbestos rope 4 to be filled on one surface of a front cover plate 3 facing a rear cover plate 5, arranging an asbestos rope 4 to be filled on one surface of the rear cover plate 5 facing the front cover plate 3, arranging an air outlet pipeline connected below the space between the front cover plate 3 and the rear cover plate 5, arranging an air inlet pipeline 14 to be connected on the side walls of the front cover plate 3 and the air outlet pipeline, arranging a pressing plate 7 to be connected at the lower end of the rear cover plate 5, arranging a sealing cover 8 to be connected with the pressing plate 7, connecting the pressing plate 7 to the sealing cover 8 between the pressing plate 7 and the air outlet pipeline, arranging a linkage shaft 11 to be connected with a driving shaft, connecting one end of the driving shaft to an impeller 6 and the other end to the linkage shaft 11, arranging a motor 12 to, the linkage shaft 11 is connected between the driving shaft and the motor 12, a shell is arranged and connected to the surface of the driving shaft, the shell covers the driving shaft, and a plurality of bolts 15 are arranged and connected to the surface of the shell.
A transmission support group 10 is arranged and connected above the driving shaft, one end of a triangular support plate 9 is connected with the rear cover plate 5, and the other end of the triangular support plate is connected with the top end of the transmission support group 10.
An anchor bolt 13 is connected to the bottom end of the motor 12, and a washer is provided between the motor 12 and the anchor bolt 13.
Two sides of the bottom end of the surface of the fan casing 1 are respectively provided with a connecting base, and a connecting bolt 16 is arranged to penetrate through the lower part of the connecting base.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (4)
1. The utility model provides a centrifugal fan with drainage function, includes fan casing (1), front shroud (3), back shroud (5) and impeller (6), the inside at casing (1) is connected in front shroud (3), back shroud (5) and impeller (6), front shroud (3) are established relatively with back shroud (5), and impeller (6) are connected between front shroud (3) and back shroud (5), set up a drive shaft, its characterized in that at the intermediate position of impeller (6): arranging a drain hole (2) to be connected to the lower parts of two sides of an air outlet pipeline of a fan shell (1), wherein at least 2 drain holes (2) are arranged, an asbestos rope (4) is arranged to be filled in one surface of a front cover plate (3) facing a rear cover plate (5), an asbestos rope (4) is arranged to be filled in one surface of the rear cover plate (5) facing the front cover plate (3), an air outlet pipeline is arranged to be connected to the lower part between the front cover plate (3) and the rear cover plate (5), an air inlet pipeline (14) is arranged to be connected to the side walls of the front cover plate (3) and the air outlet pipeline, a pressing plate (7) is arranged to be connected to the lower end of the rear cover plate (5), a sealing cover (8) is arranged to be connected to the pressing plate (7), the pressing plate (7) is connected between the rear cover plate (5) and the sealing cover (8), and the sealing cover (8, the impeller driving device is characterized in that a linkage shaft (11) is arranged to be connected with a driving shaft, one end of the driving shaft is connected with an impeller (6), the other end of the driving shaft is connected with the linkage shaft (11), a motor (12) is arranged to be connected with the linkage shaft (11), the linkage shaft (11) is connected between the driving shaft and the motor (12), a shell sleeve is arranged to be connected to the surface of the driving shaft, the shell sleeve is coated outside the driving shaft, and a plurality of bolts (15) are arranged to be connected to the surface of the shell sleeve.
2. The centrifugal fan with the water drainage function according to claim 1, wherein: a transmission support group (10) is arranged and connected above the driving shaft, one end of a triangular support plate (9) is connected with the rear cover plate (5), and the other end of the triangular support plate is connected with the top end of the transmission support group (10).
3. The centrifugal fan with the water drainage function according to claim 1, wherein: the anchor bolt (13) is connected to the bottom end of the motor (12), and a washer is arranged between the motor (12) and the anchor bolt (13).
4. The centrifugal fan with the water drainage function according to claim 1, wherein: two sides of the bottom end of the surface of the fan shell (1) are respectively provided with a connecting base, and a connecting bolt (16) is arranged below the connecting bases in a penetrating manner.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067020.1U CN211174661U (en) | 2019-11-26 | 2019-11-26 | Centrifugal fan with drainage function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922067020.1U CN211174661U (en) | 2019-11-26 | 2019-11-26 | Centrifugal fan with drainage function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174661U true CN211174661U (en) | 2020-08-04 |
Family
ID=71824904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922067020.1U Expired - Fee Related CN211174661U (en) | 2019-11-26 | 2019-11-26 | Centrifugal fan with drainage function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174661U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032901A (en) * | 2020-08-24 | 2020-12-04 | 广州优易机械科技有限公司 | Ventilation energy-saving equipment of computer lab |
-
2019
- 2019-11-26 CN CN201922067020.1U patent/CN211174661U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112032901A (en) * | 2020-08-24 | 2020-12-04 | 广州优易机械科技有限公司 | Ventilation energy-saving equipment of computer lab |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 Termination date: 20211126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |