CN216554523U - Self-cleaning sweep-bent combined orthogonal axial flow fan - Google Patents
Self-cleaning sweep-bent combined orthogonal axial flow fan Download PDFInfo
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- CN216554523U CN216554523U CN202122986125.4U CN202122986125U CN216554523U CN 216554523 U CN216554523 U CN 216554523U CN 202122986125 U CN202122986125 U CN 202122986125U CN 216554523 U CN216554523 U CN 216554523U
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- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The utility model discloses a self-cleaning bent and swept combined orthogonal axial flow fan which comprises a fan shell, a motor, an impeller, a cleaning component and a controller, wherein the fan shell is provided with a fan inlet and a fan outlet; the motor is arranged at one end of the fan shell, and the impeller is arranged in the fan shell and connected with the motor; the cleaning assembly comprises an equipment sleeve, a moving sleeve, a rotating sleeve and a cleaning brush plate, the equipment sleeve is arranged in the fan shell, the moving sleeve is arranged in the fan shell, a moving motor for providing power for the moving sleeve is arranged in the equipment sleeve, the rotating sleeve is clamped at the inner side of the moving sleeve, a first micro motor for providing power for the rotating sleeve is arranged on the equipment sleeve, the cleaning brush plate is clamped in the rotating sleeve, an adjusting gear and a cleaning brush head are arranged on the cleaning brush plate, and a second micro motor for providing power for the adjusting gear is arranged in the rotating sleeve; the controller is electrically connected with each electric device respectively; the axial flow fan has reasonable structural design, can effectively reduce the power loss of the axial flow fan, and is suitable for large-scale popularization.
Description
Technical Field
The utility model relates to the technical field of axial flow fans, in particular to a self-cleaning bent and swept combined orthogonal axial flow fan.
Background
The axial flow fan has a very wide application, namely, the axial flow fan and the fan blade have the same direction of air flow, such as an electric fan, and an air conditioner outer machine fan is an axial flow type running fan. The "axial flow" is so called because the gas flows parallel to the fan axis; the axial flow fan is generally used in the occasions with higher flow requirement and lower pressure requirement, the axial flow fan is fixed in position and moves air, the axial flow fan mainly comprises a fan impeller and a casing, the structure is simple, but the data requirement is very high; at present, the sweepback blades are widely applied to impeller machinery, and a large number of experimental researches and numerical calculations show that reasonable blade sweepback can change the radial component force of the acting force of the blades and airflow, control the pressure gradient distribution on the surfaces of the blades, reduce the flow loss and achieve the aim of improving the aerodynamic performance of the impeller machinery.
Then, in the use process of the axial flow fan, the phenomena that dust, foreign matters and the like are accumulated on the surface of a fan impeller, so that the weight of the swept blades is changed and different, the swept blades cannot be well kept balanced, vibration is generated in the axial flow grading rotation process, and the structural stability of the axial flow fan is influenced; meanwhile, the increase of the weight of the swept blade not only increases the load borne by the connecting part and influences the service life of the connecting part, but also influences the aerodynamic performance of the swept blade.
SUMMERY OF THE UTILITY MODEL
Aiming at the technical problems, the utility model provides a self-cleaning sweepback combined orthogonal axial flow fan.
The technical scheme of the utility model is as follows: a self-cleaning sweepback combined orthogonal axial flow fan comprises a fan shell, a motor, an impeller, a cleaning assembly and a controller; the lower end of the fan shell is provided with a fan bracket, the motor is connected to one end of the fan shell through the rack, and an output shaft of the motor penetrates through the rack and then extends into the fan shell;
the impeller comprises a hub and sweepback blades, the hub is movably sleeved on an output shaft through a shaft sleeve, the shaft sleeve and the output shaft are fixed through bolts, the outer wall of the hub is provided with a positioning groove, two sides of the periphery of the hub are fixedly connected with movable sleeves through bolts, the two movable sleeves are mutually buckled, the joint of the two movable sleeves is provided with a clamping groove, 8-12 sweepback blades are arranged, the root of each sweepback blade is provided with a connecting pressing plate, the end part of each connecting pressing plate is provided with a positioning block, 8-12 sweepback blades are uniformly distributed on the surface of the hub and movably clamped with the clamping groove through the connecting pressing plate, and the blades are movably clamped with the positioning groove through the positioning blocks;
the cleaning assembly comprises an equipment sleeve, a moving sleeve, a rotating sleeve and a cleaning brush plate; the device sleeve is sleeved inside the fan shell, the upper end and the lower end inside the device sleeve are respectively provided with a moving motor, output shafts at two ends of the moving motor are respectively provided with a threaded screw rod, and the two threaded screw rods respectively penetrate through the device sleeve; the two moving sleeves and the two rotating sleeves are movably sleeved in the fan shell and are respectively positioned on two sides of the equipment sleeve, and the two moving sleeves are respectively in threaded connection with threaded lead screws on two sides of the equipment sleeve; the two rotating sleeves are respectively and rotationally clamped at the inner sides of the two moving sleeves, rotating gear rings are arranged on one opposite sides of the two rotating sleeves, first micro motors are arranged on two sides inside the equipment sleeve, first gears are arranged on output shafts of the first micro motors, and the two first gears can be respectively in meshed connection with the two rotating gear rings; 1-3 cleaning brush plates are uniformly distributed in the rotary sleeve, and are respectively rotationally clamped with the inner wall of the rotary sleeve, an adjusting gear is arranged at the joint of each cleaning brush plate and the rotary sleeve, a cleaning brush head is arranged on each cleaning brush plate, and a through groove is arranged at the position on the rotary sleeve corresponding to each cleaning brush plate; an adjusting gear ring and a second micro motor are arranged in the rotary sleeve, the adjusting gear ring is rotationally clamped with the inner wall of the rotary sleeve and is respectively meshed and connected with each adjusting gear, and the second micro motor provides power for the adjusting gear ring;
the controller is respectively and electrically connected with the motor, the moving motor, the first micro motor and the second micro motor.
Further, the joint is all rotated with two rotary sleeve position correspondences on the output shaft and has the position sleeve, all is provided with the draw-in groove that corresponds with the cleaning brush board position on two position sleeves, and each cleaning brush board tip all is provided with the fixture block, through setting up the position sleeve, can with the position sleeve joint when the cleaning brush board during operation to can improve the stability of cleaning brush board rotation in-process.
Furthermore, the other end of the fan shell is provided with the fairing, so that the air quantity loss of the axial flow fan can be reduced through the fairing, and the pressure and the flow of the axial flow fan are effectively improved.
Further, equipment sleeve inboard is provided with a plurality of clean spray tubes, all is provided with atomizer on each clean spray tube, through setting up clean spray tube and atomizer, can carry out the dust fall operation at the clean in-process of the blade that sweeps over in the bending, avoids the dirt pollution operational environment that the clearance was fallen on the blade that sweeps over in the bending.
Further, all be provided with 2 ~ 4 clean brush heads on each clean brush board, each clean brush head all slides the joint through slide bar and clean brush board, the inside limiting plate that is provided with of clean brush board, each slide bar all runs through the limiting plate, all the cover is equipped with reset spring on each slide bar, reset spring one end and limiting plate butt, the inner wall butt of the other end and slide bar, through set up the slide bar overhead at the clean brush, can effectively improve the contact efficiency of clean brush head and the sweepback blade of bending, thereby improve axial fan's clean effect.
Furthermore, the end part of each sliding rod is provided with a connecting gear, and the connecting gears are sequentially meshed and connected; the cleaning brush plate is internally provided with a third micro motor, an output shaft of the third micro motor is provided with a driving gear, the driving gear is meshed with one of the connecting gears and is connected with the other connecting gear, and the third micro motor is utilized to drive the driving gear to rotate, so that each cleaning brush head can rotate along with the cleaning brush plate and can rotate, and the cleaning efficiency of the axial flow fan is effectively ensured.
Furthermore, a positioning pin is arranged at the joint of the connecting pressing plate and the clamping groove, and the stability of connection between the sweepback blades and the movable sleeve can be improved by arranging the positioning pin, so that the operation reliability of the axial flow fan is improved.
The working principle of the utility model is as follows: the controller is electrically connected with the motor, the moving motor, the first micro motor, the second micro motor and the third micro motor respectively; the motor, the mobile motor, the first micro motor, the second micro motor and the third micro motor are respectively powered by an external power supply; the output shaft of the motor is used for driving the impeller to rotate;
when the impeller needs to be cleaned, the cleaning spray pipe is connected with an external water source, and the atomizing spray head is used for spraying cleaning water to the swept blades; the controller is used for controlling the starting of the mobile motor, and the mobile motor is used for driving the threaded lead screw to rotate, so that the two mobile sleeves are close to each other; then, the controller is used for controlling the start of a second micro motor, and the second micro motor drives the adjusting gear ring to rotate, so that each cleaning brush plate rotates for a certain angle under the action of the adjusting gear, and finally, the clamping blocks on the cleaning brush plates are clamped in the clamping grooves on the positioning sleeves; finally, the controller is used for controlling the first micro motor to start, a first gear on the first micro motor to start drives a rotary gear ring on a rotary sleeve to rotate, so that the rotary sleeve drives a cleaning brush plate to rotate, and the cleaning brush head is used for cleaning dust on two side faces of the bent blade;
the controller is used for controlling the third micro motor to start, and the third micro motor is used for driving the driving gear to rotate, so that each cleaning brush head can rotate automatically; meanwhile, in the rotating process of the cleaning brush plate, the sliding rods on the cleaning brush heads move back and forth on the limiting plate, so that the effective contact between the cleaning brush heads and the sweepback blades is ensured.
Compared with the prior art, the utility model has the beneficial effects that: the sweepback fan has reasonable structural design, so that the noise generated in the rotating process of the fan impeller can be fully decomposed at the bending part of the lower press, the speed change of the noise is further improved, the noise generated in the running process of the axial flow fan can be reduced, and the power loss of the fan can be effectively reduced;
according to the utility model, the cleaning assembly capable of automatically cleaning the swept-curved blade is arranged, so that the condition that dust or foreign matters are accumulated on the surface of the swept-curved blade is avoided, and the integral structural stability of the axial flow fan is effectively ensured; meanwhile, the surfaces of the swept blades can keep good aerodynamic performance, the working efficiency of the axial flow fan is improved, and the power loss of the axial flow fan is reduced;
when the cleaning brush plate is not used, the cleaning brush plate can be accommodated into the rotating sleeve, so that the interference of the cleaning assembly on the operation of the fan impeller is avoided, and the reliability of the cleaning assembly is improved.
Drawings
FIG. 1 is a longitudinal section of the present invention;
FIG. 2 is a left side view of the present invention;
FIG. 3 is a right side view of the present invention;
FIG. 4 is an enlarged schematic view at A of FIG. 1 of the present invention;
FIG. 5 is an enlarged schematic view of the utility model at B of FIG. 1;
FIG. 6 is an enlarged schematic view of the utility model at C of FIG. 1;
FIG. 7 is a distribution diagram of the apparatus sleeve and impeller of the present invention within a fan housing;
FIG. 8 is a schematic structural view of a cleaning brush plate according to the present invention in an operating state;
FIG. 9 is a schematic view of the connection of the cleaning brush plate of the present invention to the rotary sleeve;
the device comprises a fan shell 1, a fan bracket 10, a fairing 11, a motor 2, a frame 20, an output shaft 21, a positioning sleeve 22, a clamping groove 220, an impeller 3, a hub 30, a shaft sleeve 300, a positioning groove 301, a swept blade 31, a connecting pressing plate 310, a positioning pin 3100, a positioning block 311, a movable sleeve 32, a clamping groove 320, a cleaning component 4, an equipment sleeve 40, a mobile motor 400, a threaded screw 401, a mobile sleeve 41, a rotating sleeve 42, a rotating gear ring 420, a first micro motor 421, a first gear 4210, a through groove 422, an adjusting gear ring 423, a second micro motor 424, a cleaning brush plate 43, a cleaning brush plate 30, a positioning block 311, a positioning block 32, a movable sleeve 320, a clamping groove 4210, 430-adjusting gear, 431-cleaning brush head, 432-fixture block, 433-sliding rod, 4330-return spring, 4331-connecting gear, 434-limiting plate, 435-third micro motor, 4350-driving gear, 44-cleaning spray pipe and 440-atomizing spray head.
Detailed Description
Example 1: the self-cleaning sweepback combined orthogonal axial flow fan shown in fig. 1 and 2 comprises a fan shell 1, a motor 2, an impeller 3, a cleaning assembly 4 and a controller; the lower end of the fan shell 1 is provided with a fan bracket 10, the motor 2 is connected to one end of the fan shell 1 through a rack 20, and an output shaft 21 of the motor 2 penetrates through the rack 20 and then extends into the fan shell 1;
as shown in fig. 1 and 5, the impeller 3 includes a hub 30 and swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed to the output shaft 21 through a bolt, a positioning groove 301 is formed in the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are buckled with each other, a clamping groove 320 is formed at the joint of the two movable sleeves 32, 10 swept blades 31 are provided, a connecting pressing plate 310 is arranged at the root of each swept blade 31, a positioning block 311 is arranged at the end of each connecting pressing plate 310, the 10 swept blades 31 are uniformly distributed on the surface of the hub 30, movably clamped with the clamping groove 320 through the connecting pressing plate 310, and movably clamped with the positioning groove 301 through the positioning block 311;
as shown in fig. 1, 6, 7, and 8, the cleaning assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a cleaning brush plate 43; the device sleeve 40 is sleeved inside the fan shell 1, the upper end and the lower end inside the device sleeve 40 are both provided with a mobile motor 400, output shafts at two ends of the mobile motor 400 are both provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two moving sleeves 41 and the two rotating sleeves 42 are respectively arranged, the two moving sleeves 41 are movably sleeved in the fan shell 1 and are respectively positioned on two sides of the equipment sleeve 40, and the two moving sleeves 41 are respectively in threaded connection with threaded screws 401 on two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped at the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides inside the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; two cleaning brush plates 43 are arranged, the two cleaning brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively rotationally clamped with the inner wall of the rotary sleeve 42, an adjusting gear 430 is arranged at the joint of each cleaning brush plate 43 and the rotary sleeve 42, a cleaning brush head 431 is arranged on each cleaning brush plate 43, and a through groove 422 is arranged at the position, corresponding to each cleaning brush plate 43, on the rotary sleeve 42; an adjusting gear ring 423 and a second micro motor 424 are arranged inside the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively meshed with each adjusting gear 430, and the second micro motor 424 provides power for the adjusting gear ring 423;
the controller is respectively electrically connected with the motor 2, the moving motor 400, the first micro motor 421 and the second micro motor 424; the controller, the motor 2, the moving motor 400, the first micro motor 421 and the second micro motor 424 are all commercially available products.
Example 2: as shown in fig. 1, 2 and 4, the self-cleaning swept-curved combined orthogonal axial flow fan comprises a fan casing 1, a motor 2, an impeller 3, a cleaning assembly 4 and a controller; the lower end of the fan shell 1 is provided with a fan bracket 10, the motor 2 is connected to one end of the fan shell 1 through a rack 20, and an output shaft 21 of the motor 2 penetrates through the rack 20 and then extends into the fan shell 1; the output shaft 21 is rotatably clamped with the positioning sleeves 22 at positions corresponding to the two rotary sleeves 42, the two positioning sleeves 22 are respectively provided with a clamping groove 220 corresponding to the cleaning brush plates 43, the end part of each cleaning brush plate 43 is provided with a clamping block 432, and the cleaning brush plates 43 can be clamped with the positioning sleeves 22 when working through the arrangement of the positioning sleeves 22, so that the stability of the cleaning brush plates 43 in the rotating process can be improved;
as shown in fig. 1 and 5, the impeller 3 includes a hub 30 and swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed to the output shaft 21 through a bolt, a positioning groove 301 is formed in the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are buckled with each other, a clamping groove 320 is formed at the joint of the two movable sleeves 32, 10 swept blades 31 are provided, a connecting pressing plate 310 is arranged at the root of each swept blade 31, a positioning block 311 is arranged at the end of each connecting pressing plate 310, the 10 swept blades 31 are uniformly distributed on the surface of the hub 30, movably clamped with the clamping groove 320 through the connecting pressing plate 310, and movably clamped with the positioning groove 301 through the positioning block 311;
as shown in fig. 1, 6, 7, 8, 9, the cleaning assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a cleaning brush plate 43; the device sleeve 40 is sleeved inside the fan shell 1, the upper end and the lower end inside the device sleeve 40 are both provided with a mobile motor 400, output shafts at two ends of the mobile motor 400 are both provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two moving sleeves 41 and the two rotating sleeves 42 are respectively arranged, the two moving sleeves 41 are movably sleeved in the fan shell 1 and are respectively positioned on two sides of the equipment sleeve 40, and the two moving sleeves 41 are respectively in threaded connection with threaded screws 401 on two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped at the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides inside the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; two cleaning brush plates 43 are arranged, the two cleaning brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively rotationally clamped with the inner wall of the rotary sleeve 42, an adjusting gear 430 is arranged at the joint of each cleaning brush plate 43 and the rotary sleeve 42, a cleaning brush head 431 is arranged on each cleaning brush plate 43, and a through groove 422 is arranged at the position, corresponding to each cleaning brush plate 43, on the rotary sleeve 42; an adjusting gear ring 423 and a second micro motor 424 are arranged inside the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively meshed with each adjusting gear 430, and the second micro motor 424 provides power for the adjusting gear ring 423; each cleaning brush plate 43 is provided with 3 cleaning brush heads 431, each cleaning brush head 431 is slidably clamped with the cleaning brush plate 43 through a sliding rod 433, a limiting plate 434 is arranged inside the cleaning brush plate 43, each sliding rod 433 penetrates through the limiting plate 434, each sliding rod 433 is sleeved with a return spring 4330, one end of each return spring 4330 is abutted against the limiting plate 434, the other end of each return spring is abutted against the inner wall of the sliding rod 433, and the sliding rods 433 are arranged on the cleaning brush heads 431, so that the contact efficiency of the cleaning brush heads 431 and the sweepback blades 31 can be effectively improved, and the cleaning effect of the axial flow fan is improved; the end part of each sliding rod 433 is provided with a connecting gear 4331, and the connecting gears 4331 are sequentially meshed and connected; the third micro motor 435 is arranged in the cleaning brush plate 43, the output shaft of the third micro motor 435 is provided with the driving gear 4350, the driving gear 4350 is meshed with one of the connecting gears 4331, and the third micro motor 435 is used for driving the driving gear 4350 to rotate, so that each cleaning brush head 431 can rotate along with the cleaning brush plate 43 and can rotate, and the cleaning efficiency of the axial flow fan is effectively ensured;
the controller is respectively electrically connected with the motor 2, the moving motor 400, the first micro motor 421, the second micro motor 424 and the third micro motor 435; the controller, the motor 2, the moving motor 400, the first micro motor 421, the second micro motor 424 and the third micro motor 435 are all commercially available products.
Example 3: as shown in fig. 1, 2, 3 and 4, the self-cleaning swept-curved combined orthogonal axial flow fan comprises a fan casing 1, a motor 2, an impeller 3, a cleaning assembly 4 and a controller; the lower end of the fan shell 1 is provided with a fan support 10, the other end of the fan shell 1 is provided with a fairing 11, the air quantity loss of the axial flow fan can be reduced through the fairing 11, and the pressure and the flow of the axial flow fan are effectively improved; the motor 2 is connected to one end of the fan shell 1 through the rack 20, and an output shaft 21 of the motor 2 penetrates through the rack 20 and then extends into the fan shell 1; the output shaft 21 is rotatably clamped with the positioning sleeves 22 at positions corresponding to the two rotary sleeves 42, the two positioning sleeves 22 are respectively provided with a clamping groove 220 corresponding to the cleaning brush plates 43, the end part of each cleaning brush plate 43 is provided with a clamping block 432, and the cleaning brush plates 43 can be clamped with the positioning sleeves 22 when working through the arrangement of the positioning sleeves 22, so that the stability of the cleaning brush plates 43 in the rotating process can be improved;
as shown in fig. 1 and 5, the impeller 3 includes a hub 30 and swept blades 31, the hub 30 is movably sleeved on the output shaft 21 through a shaft sleeve 300, the shaft sleeve 300 is fixed to the output shaft 21 through a bolt, a positioning groove 301 is formed in the outer wall of the hub 30, two sides of the periphery of the hub 30 are fixedly connected with movable sleeves 32 through bolts, the two movable sleeves 32 are buckled with each other, a clamping groove 320 is formed at the joint of the two movable sleeves 32, 10 swept blades 31 are provided, a connecting pressing plate 310 is arranged at the root of each swept blade 31, a positioning block 311 is arranged at the end of each connecting pressing plate 310, the 10 swept blades 31 are uniformly distributed on the surface of the hub 30, movably clamped with the clamping groove 320 through the connecting pressing plate 310, and movably clamped with the positioning groove 301 through the positioning block 311; a positioning pin 3100 is arranged at the joint of the connecting pressing plate 310 and the clamping groove 320, and the stability of connection between the swept blade 31 and the movable sleeve 32 can be improved by arranging the positioning pin 3100, so that the operation reliability of the axial flow fan is improved;
as shown in fig. 1, 6, 7, 8, 9, the cleaning assembly 4 includes an apparatus sleeve 40, a moving sleeve 41, a rotating sleeve 42, and a cleaning brush plate 43; the device sleeve 40 is sleeved inside the fan shell 1, the upper end and the lower end inside the device sleeve 40 are both provided with a mobile motor 400, output shafts at two ends of the mobile motor 400 are both provided with a threaded lead screw 401, and the two threaded lead screws 401 respectively penetrate through the device sleeve 40; the two moving sleeves 41 and the two rotating sleeves 42 are respectively arranged, the two moving sleeves 41 are movably sleeved in the fan shell 1 and are respectively positioned on two sides of the equipment sleeve 40, and the two moving sleeves 41 are respectively in threaded connection with threaded screws 401 on two sides of the equipment sleeve 40; the two rotary sleeves 42 are respectively and rotatably clamped at the inner sides of the two movable sleeves 41, rotary gear rings 420 are arranged on the opposite sides of the two rotary sleeves 42, first micro motors 421 are arranged on the two sides inside the equipment sleeve 40, first gears 4210 are arranged on output shafts of the first micro motors 421, and the two first gears 4210 can be respectively meshed with the two rotary gear rings 420; two cleaning brush plates 43 are arranged, the two cleaning brush plates 43 are uniformly distributed in the rotary sleeve 42 and are respectively rotationally clamped with the inner wall of the rotary sleeve 42, an adjusting gear 430 is arranged at the joint of each cleaning brush plate 43 and the rotary sleeve 42, a cleaning brush head 431 is arranged on each cleaning brush plate 43, and a through groove 422 is arranged at the position, corresponding to each cleaning brush plate 43, on the rotary sleeve 42; an adjusting gear ring 423 and a second micro motor 424 are arranged inside the rotary sleeve 42, the adjusting gear ring 423 is rotationally clamped with the inner wall of the rotary sleeve 42 and is respectively meshed with each adjusting gear 430, and the second micro motor 424 provides power for the adjusting gear ring 423; each cleaning brush plate 43 is provided with 3 cleaning brush heads 431, each cleaning brush head 431 is slidably clamped with the cleaning brush plate 43 through a sliding rod 433, a limiting plate 434 is arranged inside the cleaning brush plate 43, each sliding rod 433 penetrates through the limiting plate 434, each sliding rod 433 is sleeved with a return spring 4330, one end of each return spring 4330 is abutted against the limiting plate 434, the other end of each return spring is abutted against the inner wall of the sliding rod 433, and the sliding rods 433 are arranged on the cleaning brush heads 431, so that the contact efficiency of the cleaning brush heads 431 and the sweepback blades 31 can be effectively improved, and the cleaning effect of the axial flow fan is improved; the end part of each sliding rod 433 is provided with a connecting gear 4331, and the connecting gears 4331 are sequentially meshed and connected; the third micro motor 435 is arranged in the cleaning brush plate 43, the output shaft of the third micro motor 435 is provided with the driving gear 4350, the driving gear 4350 is meshed with one of the connecting gears 4331, and the third micro motor 435 is used for driving the driving gear 4350 to rotate, so that each cleaning brush head 431 can rotate along with the cleaning brush plate 43 and can rotate, and the cleaning efficiency of the axial flow fan is effectively ensured; the inner side of the equipment sleeve 40 is provided with a plurality of cleaning spray pipes 44, each cleaning spray pipe 44 is provided with an atomizing spray head 440, and by arranging the cleaning spray pipes 44 and the atomizing spray heads 440, dust falling operation can be carried out in the cleaning process of the sweeping blades 31, so that the dirt cleaned on the sweeping blades 31 is prevented from polluting the working environment;
the controller is respectively electrically connected with the motor 2, the moving motor 400, the first micro motor 421, the second micro motor 424 and the third micro motor 435; the controller, the motor 2, the moving motor 400, the first micro motor 421, the second micro motor 424 and the third micro motor 435 are all commercially available products.
Claims (6)
1. A self-cleaning sweepback combined orthogonal axial flow fan is characterized by comprising a fan shell (1), a motor (2), an impeller (3), a cleaning assembly (4) and a controller; the lower end of the fan shell (1) is provided with a fan support (10), the motor (2) is connected to one end of the fan shell (1) through a rack (20), and an output shaft (21) of the motor (2) penetrates through the rack (20) and then extends into the fan shell (1);
the impeller (3) comprises a hub (30) and curved blades (31), the hub (30) is movably sleeved on the output shaft (21) through a shaft sleeve (300), the shaft sleeve (300) and the output shaft (21) are fixed through bolts, a positioning groove (301) is formed in the outer wall of the hub (30), movable sleeves (32) are fixedly connected to the two sides of the periphery of the hub (30) through bolts, the two movable sleeves (32) are mutually buckled, clamping grooves (320) are formed in the joints of the two movable sleeves (32), 8-12 curved blades (31) are arranged, a connecting pressing plate (310) is arranged at the root of each curved blade (31), a positioning block (311) is arranged at the end part of each connecting pressing plate (310), the 8-12 curved blades (31) are uniformly distributed on the surface of the hub (30), and are movably clamped with the clamping grooves (320) through the connecting pressing plates (310), the positioning block (311) is movably clamped with the positioning groove (301);
the cleaning assembly (4) comprises an equipment sleeve (40), a moving sleeve (41), a rotating sleeve (42) and a cleaning brush plate (43); the device sleeve (40) is sleeved inside the fan shell (1), the upper end and the lower end inside the device sleeve (40) are respectively provided with a movable motor (400), output shafts at two ends of the movable motor (400) are respectively provided with a threaded lead screw (401), and the two threaded lead screws (401) respectively penetrate through the device sleeve (40); the two moving sleeves (41) and the two rotating sleeves (42) are respectively arranged, the two moving sleeves (41) are movably sleeved in the fan shell (1) and are respectively positioned on two sides of the equipment sleeve (40), and the two moving sleeves (41) are respectively in threaded connection with threaded lead screws (401) on two sides of the equipment sleeve (40); the two rotary sleeves (42) are respectively and rotatably clamped on the inner sides of the two movable sleeves (41), rotary gear rings (420) are arranged on the opposite sides of the two rotary sleeves (42), first micro motors (421) are arranged on the two sides in the equipment sleeve (40), first gears (4210) are arranged on output shafts of the first micro motors (421), and the two first gears (4210) can be respectively meshed with the two rotary gear rings (420); 1-3 cleaning brush plates (43) are arranged, 1-3 cleaning brush plates (43) are uniformly distributed in the rotary sleeve (42) and are respectively rotationally clamped with the inner wall of the rotary sleeve (42), an adjusting gear (430) is arranged at the joint of each cleaning brush plate (43) and the rotary sleeve (42), a cleaning brush head (431) is arranged on each cleaning brush plate (43), and a through groove (422) is arranged on the rotary sleeve (42) corresponding to each cleaning brush plate (43); an adjusting gear ring (423) and a second micro motor (424) are arranged inside the rotary sleeve (42), the adjusting gear ring (423) is rotationally clamped with the inner wall of the rotary sleeve (42) and is respectively meshed and connected with each adjusting gear (430), and the second micro motor (424) provides power for the adjusting gear ring (423);
the controller is respectively electrically connected with the motor (2), the moving motor (400), the first micro motor (421) and the second micro motor (424).
2. The self-cleaning sweepback combined orthogonal axial flow fan as claimed in claim 1, wherein the output shaft (21) is rotatably clamped with positioning sleeves (22) at positions corresponding to the two rotary sleeves (42), the two positioning sleeves (22) are respectively provided with a clamping groove (220) corresponding to the cleaning brush plates (43), and the end of each cleaning brush plate (43) is provided with a clamping block (432).
3. Self-cleaning axial flow fan of the swept combination orthogonal type according to claim 1, characterized in that the fan housing (1) is provided at the other end with a fairing (11).
4. A self-cleaning swept combined orthogonal axial flow fan as claimed in claim 1, wherein a plurality of cleaning nozzles (44) are provided inside the equipment sleeve (40), each cleaning nozzle (44) having an atomizing spray head (440) provided thereon.
5. The self-cleaning sweepback combined orthogonal axial flow fan as claimed in claim 1, wherein each cleaning brush plate (43) is provided with 2-4 cleaning brush heads (431), each cleaning brush head (431) is slidably clamped with the cleaning brush plate (43) through a sliding rod (433), a limiting plate (434) is arranged inside the cleaning brush plate (43), each sliding rod (433) penetrates through the limiting plate (434), each sliding rod (433) is sleeved with a return spring (4330), one end of the return spring (4330) is abutted against the limiting plate (434), and the other end of the return spring is abutted against the inner wall of the sliding rod (433).
6. The self-cleaning swept combined orthogonal axial flow fan of claim 1, wherein a locating pin (3100) is disposed at a junction of the connecting pressure plate (310) and the snap groove (320).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986125.4U CN216554523U (en) | 2021-12-01 | 2021-12-01 | Self-cleaning sweep-bent combined orthogonal axial flow fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122986125.4U CN216554523U (en) | 2021-12-01 | 2021-12-01 | Self-cleaning sweep-bent combined orthogonal axial flow fan |
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| Publication Number | Publication Date |
|---|---|
| CN216554523U true CN216554523U (en) | 2022-05-17 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122986125.4U Active CN216554523U (en) | 2021-12-01 | 2021-12-01 | Self-cleaning sweep-bent combined orthogonal axial flow fan |
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| Country | Link |
|---|---|
| CN (1) | CN216554523U (en) |
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