CN217632984U - Energy-saving centrifugal fan with centrifugal impeller easy to clean - Google Patents
Energy-saving centrifugal fan with centrifugal impeller easy to clean Download PDFInfo
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- CN217632984U CN217632984U CN202221599363.8U CN202221599363U CN217632984U CN 217632984 U CN217632984 U CN 217632984U CN 202221599363 U CN202221599363 U CN 202221599363U CN 217632984 U CN217632984 U CN 217632984U
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Abstract
The utility model discloses an energy-saving centrifugal fan with a centrifugal impeller easy to clean, wherein a driving belt wheel is positioned in a transmission belt cover and the right end of an output shaft of a fan motor is pivoted on the right side wall of the transmission belt cover; the upper end of the transmission belt cover is pivoted with an upper central column; a driven belt wheel is fixed at the right end of the upper central column; a belt is arranged between the driving belt wheel and the driven belt wheel; a plurality of horizontal connecting rods which are uniformly distributed circumferentially are formed at the upper end of the left end surface of the transmission belt cover; a left supporting plate matched with the right through hole is formed at the left end of the horizontal connecting rod; the left end of the upper central column penetrates through and is pivoted on the left supporting plate; a centrifugal impeller is fixed at the left end of the upper central column; a plurality of radially inner and outer air blowing openings which are uniformly distributed in the circumference are formed on the cylindrical surface of the right protective cover; an air blowing device is arranged on the outer cylindrical surface of the right protective cover; the air blowing device is used for blowing air to the air blowing port; utility model advantage: need not the dismouting alright clearance centrifugal impeller, it is convenient to clear up centrifugal impeller.
Description
Technical Field
The utility model relates to a technical field of boiler draught fan, concretely relates to energy-saving centrifugal fan of easy clearance of centrifugal impeller.
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 electrical appliances, drying and sorting of grains, wind tunnel wind sources and inflation and propulsion of air cushion boats, and the like.
Centrifugal fans used in the paper manufacturing industry often work in an environment with more dust, so that a centrifugal impeller is easily stained with dust, the centrifugal impeller needs to break down, and the service life of the centrifugal impeller is seriously influenced; but the centrifugal impeller needs to be disassembled when the cleaning is carried out at present, which wastes time and labor.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a technical problem that present centrifugal fan that the purpose was aimed at need dismantle centrifugal impeller when clearing up centrifugal impeller provides an energy-saving centrifugal fan of centrifugal impeller easy clearance.
The utility model provides an above-mentioned technical problem's technical scheme as follows: an energy-saving centrifugal fan with a centrifugal impeller easy to clean comprises a supporting base and a centrifugal fan unit; the centrifugal fan unit comprises a volute fixed at the left rear end of the upper end surface of the supporting base; an air inlet is formed on the left side wall of the volute, and a right telescopic hole is formed on the right side wall of the volute; a right protective cover is formed on the right end face of the volute; a right perforation is formed on the right side wall of the right protective cover; the front part of the upper end surface of the supporting base moves left and right to be provided with a motor supporting seat, and the right part moves left and right to be provided with a right supporting seat; a fan motor is fixed on the upper end surface of the motor supporting seat; a pair of vertical connecting rods is fixed on the upper end surface of the right supporting seat; the upper ends of the pair of vertical connecting rods are formed with transmission belt covers which are obliquely and upwards arranged from front to back; a driving belt wheel is fixed on an output shaft of the fan motor; the driving belt wheel is positioned in the transmission belt cover, and the right end of the output shaft of the fan motor is pivoted on the right side wall of the transmission belt cover; the upper end of the transmission belt cover is pivoted with an upper central column; a driven belt wheel is fixed at the right end of the upper central column; a belt is arranged between the driving belt wheel and the driven belt wheel; a plurality of horizontal connecting rods which are uniformly distributed circumferentially are formed at the upper end of the left end surface of the transmission belt cover; a left supporting plate matched with the right through hole is formed at the left end of the horizontal connecting rod; the left end of the upper central column penetrates through and is pivoted on the left supporting plate; a centrifugal impeller is fixed at the left end of the upper central column; a plurality of radially inner and outer air blowing openings which are uniformly distributed in the circumference are formed on the cylindrical surface of the right protective cover; an air blowing device is arranged on the outer cylindrical surface of the right protective cover; the blowing device is used for blowing air to the air blowing opening.
Preferably, a driving support plate is formed at the left front end of the upper end surface of the support base; a left driving electric cylinder and a right driving electric cylinder are fixed on the motor supporting seat; the left end of a piston rod of the left and right driving electric cylinders is fixedly connected with the driving support plate.
Preferably, a pair of right supporting plates distributed left and right are formed at the right end of the upper end surface of the supporting base; a pair of left and right guide posts distributed front and back are formed between the pair of right support plates; the right supporting seat is sleeved on the pair of left and right guide posts in the left-right direction.
Preferably, the blowing device comprises a plurality of blowing seats fixed on the outer cylindrical surface of the right protective cover; an air distribution groove matched with the air blowing port is formed on the inner surface of the air blowing seat; the air distribution groove is communicated with the air blowing port on the corresponding side; an air supply pipe is fixed on the right end surface of the air blowing seat; the other end of the air supply pipe is connected with an external air supply device.
Preferably, in the above aspect, the left-right width of the air outlet is the same as the left-right width of the blades of the centrifugal impeller.
Preferably, the number of the air blowing ports is the same as the number of the blades of the centrifugal impeller; when blowing, the air blowing port faces the gap between adjacent blades of the centrifugal impeller.
The beneficial effects of the utility model reside in that: need not the dismouting alright clearance centrifugal impeller, it is convenient to clear up centrifugal impeller.
Drawings
Fig. 1 is a front view of the present invention;
fig. 2 isbase:Sub>A schematic structural view ofbase:Sub>A cross sectionbase:Sub>A-base:Sub>A in fig. 1 according to the present invention;
fig. 3 is a rear view schematic structural diagram of the present invention;
fig. 4 is a schematic structural view of a section B-B in fig. 3 according to the present invention;
in the figure, 10, a support base; 11. a drive support plate; 12. a right support plate; 13. a left guide post and a right guide post; 20. a centrifugal fan unit; 21. a volute; 210. an air inlet; 2100. a right telescoping hole; 22. a right shield; 220. an air blowing port; 2200. a right perforation; 221. an air blowing base; 2210. a gas distribution tank; 2211. a gas supply pipe; 23. a motor supporting seat; 24. the left and right driving electric cylinders; 25. a fan motor; 26. a belt cover; 261. a vertical connecting rod; 262. a right support seat; 263. a horizontal connecting rod; 27. a centrifugal impeller; 271. an upper central column; 28. a belt; 29. a left support plate.
Detailed Description
As shown in fig. 1 to 4, an energy-saving centrifugal fan with a centrifugal impeller easy to clean comprises a support base 10 and a centrifugal fan unit 20; the centrifugal fan unit 20 includes a scroll casing 21 fixed to the left rear end of the upper end surface of the support base 10; the left side wall of the volute casing 21 is provided with an air inlet 210, and the right side wall is provided with a right telescopic hole 2100; a right protective cover 22 is formed on the right end face of the volute 21; a right through hole 2200 is formed on the right side wall of the right shield 22; the front part of the upper end surface of the supporting base 10 moves left and right to be provided with a motor supporting seat 23, and the right part moves left and right to be provided with a right supporting seat 262; a fan motor 25 is fixed on the upper end surface of the motor supporting seat 10; a pair of vertical connecting rods 261 are fixed on the upper end face of the right supporting seat 262; the upper ends of the pair of vertical connecting rods 261 are formed with the belt guards 26 which are obliquely and upwardly arranged from front to back; a driving belt wheel is fixed on an output shaft of the fan motor 25; the driving belt wheel is positioned in the transmission belt cover 26, and the right end of the output shaft of the fan motor 25 is pivoted on the right side wall of the transmission belt cover 26; the upper end of the belt cover 26 is pivoted with an upper central column 271; a driven belt wheel 272 is fixed at the right end of the upper central column 271; a belt 28 is provided between the driving pulley and the driven pulley 272; a plurality of horizontal connecting rods 263 which are uniformly distributed on the circumference are formed at the upper end of the left end surface of the transmission belt cover 26; a left support plate 29 fitted with the right penetration hole 2200 is formed at the left end of the horizontal link 263; the left end of the upper central column 271 penetrates through and is pivoted on the left supporting plate 29; a centrifugal impeller 27 is fixed at the left end of the upper central column; a plurality of air blowing openings 220 which are uniformly distributed on the circumference and are radially opened inwards and outwards are formed on the cylindrical surface of the right protective cover 22; an air blowing device is arranged on the outer cylindrical surface of the right protective cover 22; the blowing means is used to blow air to the air blowing port 220.
As shown in fig. 1 to 4, a driving support plate 11 is formed at the left front end of the upper end surface of the support base 10; a left driving electric cylinder and a right driving electric cylinder 24 are fixed on the motor supporting seat 23; the left end of the piston rod of the left and right driving electric cylinder 24 is fixedly connected with the driving support plate 11.
As shown in fig. 1 to 4, a pair of right support plates 12 distributed left and right are formed at the right end of the upper end surface of the support base 10; a pair of left and right guide posts 13 distributed front and back are formed between the pair of right support plates 12; the right support base 262 is sleeved on the pair of left and right guide posts 13 in the left-right direction.
As shown in fig. 1 to 4, the air blowing device includes a plurality of air blowing seats 221 fixed on the outer cylindrical surface of the right protection cover 22; an air distribution groove 2210 matched with the air blowing port 220 is formed on the inner surface of the air blowing seat 221; the air distribution groove 2210 is communicated with the air blowing ports 220 on the corresponding side; an air supply pipe 2211 is fixed on the right end face of the air blowing seat 221; the other end of the air supply pipe 2211 is connected to an external air supply device.
As shown in fig. 1 to 4, the air outlet 220 has the same horizontal width as the blades of the centrifugal impeller 27.
As shown in fig. 1 to 4, the number of the air blowing ports 220 is the same as the number of the blades of the centrifugal impeller 27; when blowing air, the air blowing port 220 faces the gap between the adjacent blades of the centrifugal impeller 27.
The working principle of the energy-saving centrifugal fan with the centrifugal impeller easy to clean is as follows:
in normal operation, as shown in fig. 1 to 4, the centrifugal impeller 27 is located in the volute 21, and the left support plate 29 is located in the right through hole 2200;
when the centrifugal impeller needs to be cleaned, the motor supporting seat 23 moves rightwards under the action of the left and right driving electric cylinders 24 until the motor supporting seat is positioned at the rightmost end, so that the transmission belt cover 26, the left supporting plate 29 and the centrifugal impeller 27 move rightwards together until the left supporting plate 29 and the centrifugal impeller 27 enter the right protective cover 22, then an external air supply device supplies air to the air distribution groove 2210 through the air supply pipe 2211, the air is blown out from the air blowing port 220 and enters gaps between adjacent blades of the centrifugal impeller 27, and the centrifugal impeller 27 is cleaned in an air blowing mode;
need not like this dismouting alright clearance centrifugal impeller, it is convenient to clear up centrifugal impeller.
The above description is only for the preferred embodiment of the present invention, and for those skilled in the art, there are variations on the detailed description and the application scope according to the idea of the present invention, and the content of the description should not be construed as a limitation to the present invention.
Claims (6)
1. The utility model provides an energy-saving centrifugal fan of easy clearance of centrifugal impeller which characterized in that: comprising a supporting base (10) and a centrifugal fan unit (20); the centrifugal fan unit (20) comprises a volute (21) fixed at the left rear end of the upper end face of the support base (10); an air inlet (210) is formed on the left side wall of the volute (21), and a right telescopic hole (2100) is formed on the right side wall; a right protective cover (22) is formed on the right end surface of the volute (21); a right perforation (2200) is formed on the right side wall of the right protective cover (22); a motor supporting seat (23) is arranged on the front part of the upper end surface of the supporting base (10) in a left-right moving mode, and a right supporting seat (262) is arranged on the right part in a left-right moving mode; a fan motor (25) is fixed on the upper end surface of the motor supporting seat (23); a pair of vertical connecting rods (261) is fixed on the upper end surface of the right supporting seat (262); the upper ends of the pair of vertical connecting rods (261) are formed with transmission belt covers (26) which are obliquely and upwards arranged from front to back; a driving belt wheel is fixed on an output shaft of the fan motor (25); the driving belt wheel is positioned in the transmission belt cover (26) and the right end of the output shaft of the fan motor (25) is pivoted on the right side wall of the transmission belt cover (26); the upper end of the transmission belt cover (26) is pivoted with an upper central column (271); a driven belt wheel (272) is fixed at the right end of the upper central column (271); a belt (28) is arranged between the driving pulley and the driven pulley (272); a plurality of horizontal connecting rods (263) which are uniformly distributed on the circumference are formed at the upper end of the left end surface of the transmission belt cover (26); the left end of the horizontal connecting rod (263) is formed with a left supporting plate (29) matched with the right through hole (2200); the left end of the upper central column (271) penetrates through and is pivoted on the left supporting plate (29); a centrifugal impeller (27) is fixed at the left end of the upper central column; a plurality of radially inner and outer air blowing openings (220) which are uniformly distributed on the circumference are formed on the cylindrical surface of the right protective cover (22); an air blowing device is arranged on the outer cylindrical surface of the right protective cover (22); the air blowing device is used for blowing air to the air blowing port (220).
2. The energy-saving centrifugal fan with the centrifugal impeller easy to clean as claimed in claim 1, is characterized in that: a driving support plate (11) is formed at the left front end of the upper end surface of the support base (10); a left driving electric cylinder and a right driving electric cylinder (24) are fixed on the motor supporting seat (23); the left end of a piston rod of the left and right driving electric cylinders (24) is fixedly connected with the driving support plate (11).
3. The energy-saving centrifugal fan with the centrifugal impeller easy to clean as claimed in claim 1, is characterized in that: a pair of right supporting plates (12) distributed left and right are formed at the right end of the upper end surface of the supporting base (10); a pair of left and right guide posts (13) distributed front and back are formed between the pair of right support plates (12); the right supporting seat (262) is sleeved on the pair of left and right guide posts (13) in the left and right directions.
4. The energy-saving centrifugal fan with the centrifugal impeller easy to clean as claimed in claim 1, is characterized in that: the blowing device comprises a plurality of blowing seats (221) fixed on the outer cylindrical surface of the right protective cover (22); an air distribution groove (2210) matched with the air blowing port (220) is formed on the inner surface of the air blowing seat (221); the air distribution groove (2210) is communicated with the air blowing port (220) on the corresponding side; an air supply pipe (2211) is fixed on the right end face of the air blowing seat (221); the other end of the air supply pipe (2211) is connected with an external air supply device.
5. The energy-saving centrifugal fan with the centrifugal impeller easy to clean as claimed in claim 1, is characterized in that: the left-right width of the air outlet (220) is the same as the left-right width of the blades of the centrifugal impeller (27).
6. The energy-saving centrifugal fan with the centrifugal impeller easy to clean as claimed in claim 1, wherein: the number of the air blowing openings (220) is the same as the number of the blades of the centrifugal impeller (27); when blowing air, the air blowing port (220) faces the gap between the adjacent blades of the centrifugal impeller (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599363.8U CN217632984U (en) | 2022-06-24 | 2022-06-24 | Energy-saving centrifugal fan with centrifugal impeller easy to clean |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221599363.8U CN217632984U (en) | 2022-06-24 | 2022-06-24 | Energy-saving centrifugal fan with centrifugal impeller easy to clean |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217632984U true CN217632984U (en) | 2022-10-21 |
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ID=83629387
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221599363.8U Active CN217632984U (en) | 2022-06-24 | 2022-06-24 | Energy-saving centrifugal fan with centrifugal impeller easy to clean |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217632984U (en) |
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2022
- 2022-06-24 CN CN202221599363.8U patent/CN217632984U/en active Active
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