CN215521321U - Energy-saving environment-friendly centrifugal fan - Google Patents
Energy-saving environment-friendly centrifugal fan Download PDFInfo
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- CN215521321U CN215521321U CN202120130371.7U CN202120130371U CN215521321U CN 215521321 U CN215521321 U CN 215521321U CN 202120130371 U CN202120130371 U CN 202120130371U CN 215521321 U CN215521321 U CN 215521321U
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Abstract
The utility model discloses an energy-saving and environment-friendly centrifugal fan which comprises a bottom plate, a centrifugal fan arranged on the bottom plate, a rotating shaft arranged on the centrifugal fan, an impeller arranged on the rotating shaft, a driving mechanism arranged on the bottom plate, a damping mechanism arranged on the centrifugal fan and a filtering mechanism arranged on the bottom plate, wherein the rotating shaft is connected with the impeller; the driving mechanism comprises a fixed plate, a motor arranged on the fixed plate, a driving wheel arranged on the motor, a driven wheel arranged on the rotating shaft, a conveying belt arranged on the driving wheel, a fixed sliding chute arranged on the bottom plate, a positioning assembly arranged on the base and a limiting assembly arranged on the rotating shaft.
Description
Technical Field
The utility model belongs to the technical field of centrifugal fans, and particularly relates to an energy-saving and environment-friendly centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal fans are widely used in ventilation, dust removal 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; wind tunnel wind source and air cushion boat inflation and propulsion.
In the use of centrifugal fan, because in case the installation shaping just belongs to the ventilation equipment of long-term work, however after long-time the use, the transmission conveyer belt between fan and the motor receives long-term taut state, consequently leads to the elasticity of conveyer belt self to reduce, and be in the reduced condition equally to transmission efficiency, transmission efficiency's reduction directly causes serious influence to centrifugal fan's efficiency, consequently leads to centrifugal fan's running state can't tend to stable state, reduce ventilation ability, still increased the energy consumption of motor simultaneously, reduce its life.
SUMMERY OF THE UTILITY MODEL
The utility model provides an energy-saving and environment-friendly centrifugal fan for overcoming the defects of the prior art.
In order to achieve the purpose, the utility model adopts the following technical scheme: an energy-saving and environment-friendly centrifugal fan comprises a bottom plate, a centrifugal fan arranged on the bottom plate, a rotating shaft arranged on the centrifugal fan, an impeller arranged on the rotating shaft, a driving mechanism arranged on the bottom plate, a damping mechanism arranged on the centrifugal fan and a filtering mechanism arranged on the bottom plate; the driving mechanism comprises a fixed plate, a motor arranged on the fixed plate, a driving wheel arranged on the motor, a driven wheel arranged on the rotating shaft, a conveying belt arranged on the driving wheel, a fixed chute arranged on the bottom plate, a positioning assembly arranged on the bottom plate and a limiting assembly arranged on the rotating shaft; the limiting assembly comprises a limiting ring, an internal thread arranged on the limiting ring, an external thread arranged on the driven wheel, a limiting rod arranged on the limiting ring, a limiting sliding groove arranged on the limiting ring, a limiting spring arranged on the limiting rod, a limiting groove arranged on the driven wheel and a pull ring component arranged on the limiting ring; the tightness of the conveying belt with reduced tightness can be improved by the sliding of the fixed plate in the fixed sliding chute; therefore, the power output efficiency of the motor to the centrifugal fan is improved, the stability of the running state of the centrifugal fan is ensured, and the kinetic energy of the motor can be fully transmitted, so that the energy consumption of the motor is reduced, and the running performance of the whole centrifugal fan is improved; the distance between the limiting ring and the rotating shaft is adjusted through the threaded connection and matching of the internal thread and the external thread of the limiting ring, so that the conveyor belt with different widths can be adapted; the limiting rod is matched with the limiting groove to prevent the limiting ring from falling off from the rotating shaft.
Furthermore, the pull ring component comprises a pull ring, a fixed column arranged on the limiting ring, a pull rod arranged on the pull ring and a pull rod spring arranged on the fixed column; the pull ring is pulled out by pulling the pull rod, the limiting rod can be pushed by the pull ring to move out of the limiting groove, and the width of the adaptive conveyor belt can be adjusted by screwing.
Furthermore, the positioning assembly comprises a positioning column, a positioning spring arranged on the positioning column, a positioning chute arranged on the bottom plate, a first slot arranged on the bottom plate and a second slot arranged on the fixing plate; when the positioning column is inserted into the first slot and the second slot at the same time, the position of the fixing plate can be fixed; when the positioning columns are pulled out from the first inserting grooves and the second inserting grooves, the position of the fixing plate is slid until the first inserting grooves and the second inserting grooves are aligned, and then the positioning columns are inserted again to adjust the tightness of the conveying belt.
Further, the damping mechanism comprises a damping frame, a sliding column arranged on the damping frame, a damping spring arranged on the damping frame, a sealing plate arranged on the damping frame and a sealing groove arranged on the centrifugal fan; the conical sleeve body and the neck arc sleeve body of the shock absorption frame can conduct wires on sucked gas, the gas suction can be streamlined and smoother, the annular wind guide shock absorption frame drives the sliding column to slide back and forth in the sliding column hole of the centrifugal fan in the process of back and forth vibration of the air inlet, and the conical sleeve body and the tail arc sleeve body extrude the outer shock absorption spring back and forth to greatly relieve vibration noise.
Furthermore, the filtering mechanism comprises a filter plate, a protective frame arranged on the bottom plate, a scraping plate arranged on the protective frame, a pushing block arranged on the filter plate, a handle arranged on the filter plate, a collecting assembly arranged on the protective frame and a pushing assembly arranged on the centrifugal fan; the pull handle drives the filter plate to move, the filtering surface of the filter plate can be replaced, and sundries on the filter plate are scraped by the scraper on the protective frame in the pulling process.
Furthermore, the collecting assembly comprises a collecting box, a cover plate arranged on the collecting box, a cover plate sliding groove arranged on the protective frame and a cover plate spring arranged on the cover plate; push away the apron through the ejector pad and slide in to the apron spout, debris alright fall into the collection box.
Further, the pushing assembly comprises a screw and a screw hole arranged on the centrifugal fan; the screw rod is matched with the screw hole, so that the border of the damping frame can be far away from the filter plate, and sundries clamped in the filter plate hole are prevented from entering the centrifugal fan.
In conclusion, the driving mechanism is arranged, so that the position of the motor can be moved to ensure the tightness of the conveying belt, and the service life of the conveying belt is prolonged; impurities are prevented from entering the air pipe through the filtering mechanism.
Drawings
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is a cross-sectional view taken at a-a of fig. 2.
Fig. 4 is an enlarged view of fig. 3 at B.
Fig. 5 is an enlarged view of fig. 3 at C.
Fig. 6 is a cross-sectional view taken at D-D of fig. 2.
Fig. 7 is a sectional view taken at E-E of fig. 2.
Detailed Description
As shown in fig. 1-7, an energy-saving and environment-friendly centrifugal fan comprises a bottom plate 1, a centrifugal fan 2, a rotating shaft 20, an impeller 21, a driving mechanism, a damping mechanism and a filtering mechanism; the centrifugal fan 2 is fixed on the upper top surface of the bottom plate 1; the rotating shaft 20 can rotate in the centrifugal fan 2; the impellers 21 are uniformly arranged on the rotating shaft 20.
Specifically, the driving mechanism comprises a fixing plate 3, a motor 30, a driving wheel 31, a driven wheel 32, a conveying belt 33, a fixing chute 10, a positioning component and a limiting component; the fixed plate 3 can slide in a fixed sliding chute 10 on the upper surface of the bottom plate 1; the motor 30 is fixedly connected to the fixing plate 3; the driving wheel 31 is fixed at the rotating end of the motor 30; the driven wheel 32 is fixedly connected to the rotating shaft 20; the transmission belt 33 is sleeved on the driving wheel 31 and the driven wheel 32.
Specifically, the limiting assembly comprises a limiting ring 4, an internal thread 40, an external thread 41, a limiting rod 42, a limiting sliding groove 43, a limiting spring 44, a limiting groove 34 and a pull ring component; the limiting ring 4 can be screwed on the rotating shaft 20 through the internal thread 40 on the inner wall of the ring and the external thread 41 on the rotating shaft 20; the limiting rod 42 can slide in a limiting sliding groove 43 on the boundary of the limiting ring 4; one end of the limiting spring 44 is fixedly connected to the side wall of the limiting rod 42, and the other end of the limiting spring is fixedly connected to the end part of the limiting sliding groove 43; the limiting grooves 34 are uniformly arranged at the end part of the rotating shaft 20; the pull ring component comprises a pull ring 45, a fixed column 46, a pull rod 47 and a pull rod spring 48; the pull ring 45 can slide on a fixing column 46 fixed on the limiting ring 4 through a pull rod 47 fixed on the pull ring 45; the inclined surface of the pull ring 45 is contacted with the limiting rod 42; one end of the pull rod spring 48 is fixedly connected to the end of the fixed column 46, and the other end is fixed to the end inside the pull rod 47.
Specifically, the positioning assembly includes a positioning column 5, a positioning spring 50, a positioning chute 11, a first slot 12 and a second slot 35; the positioning column 5 can slide up and down in a positioning chute 11 on the top surface of the bottom plate 1; one end of the positioning spring 50 is fixedly connected to the bottom of the positioning column 5, and the other end of the positioning spring is fixedly connected to the top of the positioning chute 11; the other end of the positioning post 5 can be inserted into the first slot 12 on the bottom plate 1 and the second slot 35 uniformly arranged on the fixing plate 3.
Specifically, the damping mechanism comprises a damping frame 6, a sliding column 60, a damping spring 61, a sealing plate 62 and a sealing groove 22; the two ends of the sliding column 60 are fixed on the damping frame 6, and the damping frame 6 can slide at the air inlet of the centrifugal fan 2 through the sliding column 60 which is uniformly arranged; the damping springs 61 are divided into two groups, one group is fixedly connected to the conical sleeve body of the damping frame 6, and the other group is fixedly connected to the outer surface of the centrifugal fan 2; one end of the other group is fixedly connected to the tail annular sleeve body of the damping frame 6, and the other end of the other group is fixedly connected to the inner surface of the centrifugal fan 2; the sealing plate 62 is positioned at the end of the damping ore 6; can slide in a sealing groove 22 on the inner wall of the centrifugal fan 2.
Specifically, the filtering mechanism comprises a filtering plate 7, a protective frame 70, a scraping plate 71, a pushing block 72, a handle 73, a collecting assembly and a pushing assembly; the filter plate 7 can slide on the centrifugal fan 2; the protective frame 70 and the scraper 71 are of two groups of symmetrical structures, and the protective frame 70 is fixed on the bottom plate 1; the scraper 71 is fixed on the inner wall of the protective frame 70; the push block 72 is positioned at the bottom of the filter plate 7; the handle 73 is positioned at the upper end of the filter plate 7; the collecting assembly comprises a collecting box 74, a cover plate 75, a cover plate sliding groove 76 and a cover plate spring 77; the collection box 74 is located at the open bottom of the protective frame 70; the cover plate 75 can slide in the cover plate slide groove 76 on the protective frame 70; one end of a cover plate spring 77 is fixedly connected to the end surface of the cover plate 75, and the other end is fixedly connected to the end surface of the cover plate chute 76; the pushing assembly comprises a screw rod 8 and a screw hole; the screw 8 can be screwed in a screw hole at the bottom of the centrifugal fan 2.
The working principle is as follows: when the positioning column 5 is inserted into the first slot 12 and the second slot 35 simultaneously through the sliding of the fixing plate 3 in the fixing chute 10, the position of the fixing plate 3 can be fixed; when the positioning columns 5 are pulled out from the first slots 12 and the second slots 35, the positions of the fixing plates 3 are slid until the first slots 12 and the second slots 35 are aligned and then the positioning columns 5 are inserted again, so that the tightness of the conveyor belt 33 can be improved; the pull ring 45 is pulled out by pulling the pull rod 47, the limit rod 42 can be pushed by the pull ring 45 to move out of the limit groove 34, and the distance between the limit ring 4 and the rotating shaft 20 is adjusted by the threaded matching of the internal thread 40 and the external thread 41 of the limit ring 4, so that the conveyor belt 33 with different widths can be adapted.
The conical sleeve body and the neck arc sleeve body of the damping frame 6 can conduct wires on sucked gas, so that the gas suction is streamline and smoother, the annular air guide damping frame 6 drives the sliding column 60 to slide back and forth in the sliding column hole of the centrifugal fan 2 in the process of back and forth vibration of the air inlet, and the conical sleeve body and the tail arc sleeve body extrude the outer damping spring 61 back and forth to greatly relieve vibration noise.
The screw 8 is matched with the screw hole, so that the boundary of the shock absorption frame 6 can be far away from the filter plate 7, and impurities clamped in the hole of the filter plate 7 are prevented from entering the centrifugal fan 2; the handle 73 is pulled to drive the filter plate 7 to move, the filtering surface of the filter plate can be replaced, and impurities on the filter plate 7 are scraped by the scraper 71 on the protective frame 70 in the pulling process; the pushing block 72 pushes the cover plate 75 to slide into the cover plate chute 76, so that the impurities can fall into the collecting box 74.
Claims (7)
1. An energy-saving and environment-friendly centrifugal fan comprises a bottom plate (1), a centrifugal fan (2) arranged on the bottom plate, a rotating shaft (20) arranged on the centrifugal fan, an impeller (21) arranged on the rotating shaft, a driving mechanism arranged on the bottom plate, a damping mechanism arranged on the centrifugal fan and a filtering mechanism arranged on the bottom plate; the method is characterized in that: the driving mechanism comprises a fixing plate (3), a motor (30) arranged on the fixing plate, a driving wheel (31) arranged on the motor, a driven wheel (32) arranged on the rotating shaft, a conveying belt (33) arranged on the driving wheel, a fixed sliding chute (10) arranged on the bottom plate, a positioning assembly arranged on the bottom plate and a limiting assembly arranged on the rotating shaft; the limiting assembly comprises a limiting ring (4), an internal thread (40) arranged on the limiting ring, an external thread (41) arranged on the driven wheel, a limiting rod (42) arranged on the limiting ring, a limiting sliding groove (43) arranged on the limiting ring, a limiting spring (44) arranged on the limiting rod, a limiting groove (34) arranged on the driven wheel and a pull ring component arranged on the limiting ring.
2. The energy-saving and environment-friendly centrifugal fan as claimed in claim 1, wherein: the pull ring component comprises a pull ring (45), a fixed column (46) arranged on the limiting ring, a pull rod (47) arranged on the pull ring and a pull rod spring (48) arranged on the fixed column.
3. The energy-saving and environment-friendly centrifugal fan as claimed in claim 1, wherein: the positioning assembly comprises a positioning column (5), a positioning spring (50) arranged on the positioning column, a positioning sliding groove (11) arranged on the bottom plate, a first slot (12) arranged on the bottom plate and a second slot (35) arranged on the fixing plate.
4. The energy-saving and environment-friendly centrifugal fan as claimed in claim 1, wherein: the damping mechanism comprises a damping frame (6), a sliding column (60) arranged on the damping frame, a damping spring (61) arranged on the damping frame, a sealing plate (62) arranged on the damping frame and a sealing groove (22) arranged on the centrifugal fan.
5. The energy-saving and environment-friendly centrifugal fan as claimed in claim 1, wherein: the filter mechanism comprises a filter plate (7), a protective frame (70) arranged on the bottom plate, a scraper (71) arranged on the protective frame, a push block (72) arranged on the filter plate, a handle (73) arranged on the filter plate, a collecting assembly arranged on the protective frame and a pushing assembly arranged on the centrifugal fan.
6. The energy-saving and environment-friendly centrifugal fan as claimed in claim 5, wherein: the collecting assembly comprises a collecting box (74), a cover plate (75) arranged on the collecting box, a cover plate sliding groove (76) arranged on the protective frame and a cover plate spring (77) arranged on the cover plate.
7. The energy-saving and environment-friendly centrifugal fan as claimed in claim 5, wherein: the pushing assembly comprises a screw rod (8) and a screw hole formed in the centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130371.7U CN215521321U (en) | 2021-01-18 | 2021-01-18 | Energy-saving environment-friendly centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120130371.7U CN215521321U (en) | 2021-01-18 | 2021-01-18 | Energy-saving environment-friendly centrifugal fan |
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| Publication Number | Publication Date |
|---|---|
| CN215521321U true CN215521321U (en) | 2022-01-14 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120130371.7U Active CN215521321U (en) | 2021-01-18 | 2021-01-18 | Energy-saving environment-friendly centrifugal fan |
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| Country | Link |
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| CN (1) | CN215521321U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160096A (en) * | 2023-11-03 | 2023-12-05 | 佛山市顺德区创世纪实业有限公司 | Impurity filtering equipment for glass cement production |
-
2021
- 2021-01-18 CN CN202120130371.7U patent/CN215521321U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN117160096A (en) * | 2023-11-03 | 2023-12-05 | 佛山市顺德区创世纪实业有限公司 | Impurity filtering equipment for glass cement production |
| CN117160096B (en) * | 2023-11-03 | 2024-03-26 | 佛山市顺德区创世纪实业有限公司 | Impurity filtering equipment for glass cement production |
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