CN210565318U - Novel fan blade for centrifugal fan - Google Patents
Novel fan blade for centrifugal fan Download PDFInfo
- Publication number
- CN210565318U CN210565318U CN201921081561.3U CN201921081561U CN210565318U CN 210565318 U CN210565318 U CN 210565318U CN 201921081561 U CN201921081561 U CN 201921081561U CN 210565318 U CN210565318 U CN 210565318U
- Authority
- CN
- China
- Prior art keywords
- fan
- cover
- flabellum
- motor
- novel
- 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
Abstract
The utility model discloses a centrifugal fan is with novel flabellum relates to industrial equipment technical field, for solving current flabellum easy deposition, makes fan wind-force descend, causes the problem of the vibrations of the unbalanced production of flabellum after the fan rotational speed is too high. The rear cover is installed to the rear end face of fan casing, the flange is installed to one side of rear cover, the motor is installed to one side of flange, the shaft coupling is installed to the one end of motor, the transmission shaft is installed to the one end of shaft coupling, the surface mounting of transmission shaft has the flabellum, one side of flabellum is provided with the fan seat, the protecgulum is installed to the preceding terminal surface of fan casing, the suction hood is installed in the outside of protecgulum, the filter screen is installed to one side of suction hood, the internal surface of fan casing is provided with the amortization cotton, the below of fan casing is provided with the shock attenuation and glues, one side of fan casing is provided with the exhaust pipe, the one end of exhaust pipe is provided with the.
Description
Technical Field
The utility model relates to an industrial equipment technical field specifically is a novel flabellum is used to centrifugal fan.
Background
When the fan works, airflow axially enters the blade space from the fan, and then rotates along with the impeller under the driving of the impeller; on the other hand, the fan which increases energy under the action of inertia, leaves the impeller along the radius direction, works by the generated centrifugal force is called a centrifugal fan, the centrifugal fan is a machine which increases gas pressure and discharges gas by means of input mechanical energy and is a driven fluid machine, and the centrifugal fan is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; along with the promotion of the industrialization process of China, the air inflation and propulsion of wind tunnel wind sources and air cushion ships, the industrial industry is developing energy conservation and consumption reduction greatly, and carrying out industrial upgrading and integration recombination.
Industrial basic equipment needs to be updated in a large quantity, and the centrifugal fan is taken as important industrial matching equipment and is more applied to the fields of electric power, cement, petrochemical industry, coal, mines, environmental protection and the like, but the existing fan blade for the centrifugal fan has the problems that the fan blade is easy to deposit dust, the wind power of the fan is reduced, and the unbalance of the fan blade is caused to generate vibration after the rotating speed of the fan is too high; therefore, the existing requirements are not met, and the novel fan blade for the centrifugal fan is provided for the requirements.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a centrifugal fan is with novel flabellum to the easy deposition of flabellum that provides in solving above-mentioned background art makes fan wind-force descend, causes the problem of the vibrations of the unbalanced production of flabellum after the fan rotational speed is too high.
In order to achieve the above object, the utility model provides a following technical scheme: a novel fan blade for a centrifugal fan comprises a fan shell, wherein a rear cover is arranged on the rear end face of the fan shell, a flange is arranged on one side of the rear cover, a motor is arranged on one side of the flange, a bottom foot is arranged below the motor, a bracket is arranged below the bottom foot, a coupler is arranged at one end of the motor, a transmission shaft is arranged at one end of the coupler, the outer surface of the transmission shaft is provided with fan blades, one side of each fan blade is provided with a fan seat, the front end surface of the fan shell is provided with a front cover, an air suction cover is arranged on the outer side of the front cover, a filter screen is arranged on one side of the air suction cover, silencing cotton is arranged on the inner surface of the fan shell, the lower part of the fan shell is provided with a damping adhesive, one side of the fan shell is provided with an exhaust pipe, an air outlet is formed in one end of the exhaust pipe, and an air expansion cover is arranged above the air outlet.
Preferably, the number of the fan blades is six, the fan blades are fixedly connected with the fan seat in a welding mode, and the fan blades are arranged around the center of the fan seat evenly and at intervals.
Preferably, the motor is fixedly connected with the rear cover through a flange, the motor is fixedly connected with the bottom foot through a bolt, and the bottom foot is fixedly connected with the support through a bolt.
Preferably, the filter screen is fixedly connected with the air suction cover through a buckle, and the air suction cover is fixedly connected with the front cover through a bolt.
Preferably, the front cover and the rear cover are fixedly connected with the fan shell through bolts, and the front cover and the rear cover are the same in size.
Preferably, the air suction cover and the air expansion cover are both arranged in a funnel shape.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the utility model discloses a setting of fan seat, at fan during operation, the flabellum can cause flabellum swing phenomenon because the centrifugal force of high-speed rotatory production to produce vibrations, through with one side welding of flabellum on fan seat, can fix the flabellum and keep the distance between each flabellum invariable, and fan seat sets up to the curve structure, can reduce frictional force and the resistance between when rotating and the air to a certain extent.
2. The utility model discloses a setting that amortization is cotton and the shock attenuation is glued, at the fan during operation, the meeting of having avoided can produce certain noise pollution and vibrations, glues the machine damage that can effectively noise reduction and vibrations cause through increasing amortization cotton and shock attenuation for the fan.
3. The utility model discloses a setting of filter screen, flabellum can inhale a large amount of air when rotating, and dust in the air can adsorb the flabellum on, causes the problem that the wind-force of fan descends and is difficult to the clearance, through the setting of filter screen, can reduce the adsorption rate of dust and debris to reduce the number of times of wasing the flabellum.
4. The utility model discloses a setting of protecgulum and back lid when fan casing needs the maintenance, can pull down the front and back lid simultaneously, maintains, conveniently maintains workman's maintenance work.
Drawings
Fig. 1 is a front view of a novel fan blade for a centrifugal fan according to the present invention;
FIG. 2 is a cross-sectional view of the inside of the fan housing of the present invention;
fig. 3 is a top view of the novel fan blade for centrifugal fan of the present invention.
In the figure: 1. a fan housing; 2. a rear cover; 3. a front cover; 4. an air outlet; 5. a fan blade; 6. a fan base; 7. a motor; 8. footing; 9. a support; 10. a coupling; 11. an air suction hood; 12. filtering with a screen; 13. an air expanding cover; 14. an exhaust duct; 15. a flange; 16. silencing cotton; 17. damping and sticking; 18. a drive shaft.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, the present invention provides an embodiment: the utility model provides a novel flabellum is used to centrifugal fan, including fan casing 1, lid 2 after the rear end face of fan casing 1 is installed, flange 15 is installed to one side of lid 2 after, motor 7 is installed to one side of flange 15, footing 8 is installed to the below of motor 7, support 9 is installed to the below of footing 8, shaft coupling 10 is installed to the one end of motor 7, transmission shaft 18 is installed to the one end of shaft coupling 10, the surface mounting of transmission shaft 18 has flabellum 5, one side of flabellum 5 is provided with fan seat 6, front cover 3 is installed to the preceding terminal surface of fan casing 1, suction hood 11 is installed in the outside of front cover 3, filter screen 12 is installed to one side of suction hood 11, the internal surface of fan casing 1 is provided with amortization cotton 16, the below of fan casing 1 is provided with the shock attenuation and glues 17, one side of fan casing 1 is provided with exhaust pipe 14, the one end.
Further, the number of the fan blades 5 is six, the fan blades 5 are fixedly connected with the fan base 6 through welding, vibration caused by unbalance of the fan blades 5 during high-speed rotation can be prevented, and the fan blades 5 are uniformly arranged around the center of the fan base 6 at intervals.
Further, motor 7 and back lid 2 pass through flange 15 fixed connection, and motor 7 passes through bolt fixed connection with footing 8, can support and fixed motor during operation displacement, and footing 8 passes through bolt fixed connection with support 9.
Furthermore, the filter screen 12 and the air suction cover 11 are fixedly connected through a buckle, so that the replacement and the cleaning are convenient, and the air suction cover 11 and the front cover 3 are fixedly connected through a bolt.
Further, protecgulum 3 and back lid 2 all pass through bolt fixed connection with fan casing 1, conveniently dismantle maintenance and cleaning work, and protecgulum 3 is the same with the size of back lid 2.
Furthermore, the air suction cover 11 and the air expansion cover 13 are both arranged in a funnel shape, so that the air suction speed and the air outlet speed can be increased.
The working principle is as follows: when the fan is used, the motor 7 is started, the motor 7 drives the transmission shaft 18 to rotate at a high speed, the transmission shaft 18 drives the fan blades 5 to rotate together, the fan blades 5 keep balanced and stable rotation action under the action of the fan seat 6, when the fan blades 5 rotate, air flow channels are formed between the fan blades 5 and the fan seat 6, air in the air flow channels moves outwards under the action of centrifugal force, vacuum degree is generated in the middle of the fan seat 6, therefore, air is sucked in through the suction hood 11, the filter screen 12 on the suction hood 11 can prevent a certain amount of dust from entering the fan shell 1, the sucked air obtains kinetic energy and pressure energy under the action of the fan blades after entering the air flow channels, and airflow thrown out of the air flow channels enters the fan shell 1 and is discharged out of the fan shell 1 through the exhaust pipe 14 after being concentrated and guided.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. The utility model provides a centrifugal fan is with novel flabellum, includes fan casing (1), its characterized in that: the rear end face of the fan shell (1) is provided with a rear cover (2), one side of the rear cover (2) is provided with a flange (15), one side of the flange (15) is provided with a motor (7), the lower part of the motor (7) is provided with a footing (8), the lower part of the footing (8) is provided with a support (9), one end of the motor (7) is provided with a coupler (10), one end of the coupler (10) is provided with a transmission shaft (18), the outer surface of the transmission shaft (18) is provided with a fan blade (5), one side of the fan blade (5) is provided with a fan seat (6), the front end face of the fan shell (1) is provided with a front cover (3), the outer side of the front cover (3) is provided with an air suction hood (11), one side of the air suction hood (11) is provided with a filter screen (12), the inner surface of the fan, the damping adhesive (17) is arranged below the fan shell (1), the exhaust pipe (14) is arranged on one side of the fan shell (1), the air outlet (4) is formed in one end of the exhaust pipe (14), and the fan expanding cover (13) is arranged above the air outlet (4).
2. The novel fan blade for a centrifugal fan according to claim 1, wherein: the fan blade (5) is set to be six, the fan blade (5) is fixedly connected with the fan seat (6) in a welding mode, and the fan blade (5) is arranged around the center of the fan seat (6) evenly at intervals.
3. The novel fan blade for a centrifugal fan according to claim 1, wherein: the motor (7) is fixedly connected with the rear cover (2) through a flange (15), the motor (7) is fixedly connected with the bottom foot (8) through a bolt, and the bottom foot (8) is fixedly connected with the support (9) through a bolt.
4. The novel fan blade for a centrifugal fan according to claim 1, wherein: the filter screen (12) is fixedly connected with the air suction cover (11) through a buckle, and the air suction cover (11) is fixedly connected with the front cover (3) through a bolt.
5. The novel fan blade for a centrifugal fan according to claim 1, wherein: the front cover (3) and the rear cover (2) are fixedly connected with the fan shell (1) through bolts, and the front cover (3) and the rear cover (2) are the same in size.
6. The novel fan blade for a centrifugal fan according to claim 1, wherein: the air suction cover (11) and the air expansion cover (13) are both arranged in a funnel shape.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081561.3U CN210565318U (en) | 2019-07-11 | 2019-07-11 | Novel fan blade for centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921081561.3U CN210565318U (en) | 2019-07-11 | 2019-07-11 | Novel fan blade for centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210565318U true CN210565318U (en) | 2020-05-19 |
Family
ID=70634131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921081561.3U Active CN210565318U (en) | 2019-07-11 | 2019-07-11 | Novel fan blade for centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210565318U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096646A (en) * | 2020-09-21 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Assembled fan of low noise |
-
2019
- 2019-07-11 CN CN201921081561.3U patent/CN210565318U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112096646A (en) * | 2020-09-21 | 2020-12-18 | 江西艾斯欧匹精密智造科技有限公司 | Assembled fan of low noise |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN204961404U (en) | Low -noise centrifugal fan | |
| CN210565318U (en) | Novel fan blade for centrifugal fan | |
| CN107061361A (en) | A kind of Environmental-protecting dust-removing explosion-proof centrifugal fan | |
| CN208073831U (en) | A kind of petrochemical industry universal machine low-noise fan | |
| CN206785720U (en) | A kind of Environmental-protecting dust-removing explosion-proof centrifugal fan | |
| CN208900391U (en) | A kind of electrostatic energy-saving type centrifugal blower | |
| CN208138204U (en) | Four sides air inlet volute structure | |
| CN211116688U (en) | Centrifugal fire-fighting smoke exhaust fan | |
| CN2073503U (en) | Noise-eliminating device for air-blower | |
| CN204493285U (en) | A kind of centrifugal blower low noise spiral case | |
| CN220302356U (en) | Energy-saving centrifugal fan | |
| CN203560118U (en) | Centrifugal fan | |
| CN218266394U (en) | High-vacuum-degree large-flow gear type centrifugal vacuum pump integrated unit | |
| CN215762304U (en) | Noise-reduction type large-air-volume centrifugal fan | |
| CN208311101U (en) | A kind of rock type centrifugal blower | |
| CN209800305U (en) | Low-noise centrifugal ventilator | |
| CN217247551U (en) | Cement dust collector based on noise control technique | |
| CN219262732U (en) | Fan with noise reduction function | |
| CN215633847U (en) | Dustproof centrifugal fan convenient to clean | |
| CN214945072U (en) | Waste gas absorption tower centrifugal fan | |
| CN202937466U (en) | Centrifugal fan and garbage sweeping vehicle using same | |
| CN212672095U (en) | Low-noise duplex centrifugal fan | |
| CN219932567U (en) | Automatic dust collector of centrifugal fan | |
| CN213270384U (en) | Energy-conserving silence hypsokinesis type fan | |
| CN219197686U (en) | Centrifugal fan for fire-fighting smoke exhaust |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |