CN114909306A - Dust filtration type centrifugal fan with automatic cleaning mechanism - Google Patents
Dust filtration type centrifugal fan with automatic cleaning mechanism Download PDFInfo
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- CN114909306A CN114909306A CN202210492095.8A CN202210492095A CN114909306A CN 114909306 A CN114909306 A CN 114909306A CN 202210492095 A CN202210492095 A CN 202210492095A CN 114909306 A CN114909306 A CN 114909306A
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- wall
- dust
- fixed
- centrifugal fan
- plate
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D25/00—Pumping installations or systems
- F04D25/02—Units comprising pumps and their driving means
- F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/42—Auxiliary equipment or operation thereof
- B01D46/48—Removing dust other than cleaning filters, e.g. by using collecting trays
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/66—Combating cavitation, whirls, noise, vibration or the like; Balancing
- F04D29/661—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps
- F04D29/668—Combating cavitation, whirls, noise, vibration or the like; Balancing especially adapted for elastic fluid pumps damping or preventing mechanical vibrations
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/701—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps
- F04D29/703—Suction grids; Strainers; Dust separation; Cleaning especially adapted for elastic fluid pumps specially for fans, e.g. fan guards
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H7/00—Gearings for conveying rotary motion by endless flexible members
- F16H7/08—Means for varying tension of belts, ropes, or chains
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses a dust-filtering centrifugal fan with an automatic cleaning mechanism, which comprises a base, wherein one side of the top end of the base is fixedly provided with a mounting plate, an adjusting long hole arranged in the middle of the top end of the mounting plate is connected with an adjusting bolt in a threaded connection with the mounting seat in an inserting way, the top end of the mounting seat is provided with a driving motor, the output end of the driving motor is fixedly provided with a double-groove belt pulley, the dust-filtering centrifugal fan is communicated with a dust-filtering box through a connecting ring connected with a casing, a transmission shaft on a bearing seat is connected with a single-groove belt pulley, the single-groove belt pulley is in transmission connection with a three-groove belt pulley through a connecting belt, a sector gear connected with the transmission shaft acts on a driven gear connected with a driving disc, a crank connected with a connecting rod is in rotary connection with a connecting lug on a cleaning plate, so that the centrifugal fan is provided with the automatic cleaning mechanism and can filter and automatically clean impurities such as dust in the air when the fan works, the normal work of fan is guaranteed, and the ventilation quality is guaranteed, and the result of use is better.
Description
Technical Field
The invention relates to the technical field of centrifugal fans, in particular to a dust filtration type centrifugal fan with an automatic cleaning mechanism.
Background
The centrifugal fan is a machine for improving and conveying gas, and is mainly composed of machine shell, main shaft, blade wheel and motor. It is widely used for ventilation, dust exhaust and cooling of factories, mines and buildings.
In view of the above, chinese patent No. CN201610902310.1 proposes a new dust exhausting centrifugal fan. The invention has the advantages of reasonable structural design, convenient operation, good flexibility, high stability and good flow collecting effect, and the inside of the invention is provided with a buffer structure, thereby reducing the abrasion to important parts and being beneficial to prolonging the service life; and the stability of internal gas compression and output is good, the impact of gas and impeller is few, the energy of loss is few, the noise is also little, therefore it is efficient, the filter effect is good during the air-out, and brand-new filter equipment makes things convenient for the dismouting, has avoided the drawback that exists among the prior art, and practicality is strong, and the facilitate promotion should. And the centrifugal fan in the above patent:
(1) the centrifugal fan in the patent does not have an automatic cleaning mechanism, when the existing centrifugal fan is used, a large amount of dust can be accumulated in the fan, the accumulation of the dust can not only influence the normal work of the fan, cause the fan failure and cause property loss, but also can not clean the dust in time, and can influence the ventilation quality and the using effect of personnel;
(2) the centrifugal fan in the patent has no tensioning function, so that after the fan is used for a long time, a belt can be loosened, the transmission efficiency of the fan is reduced due to the fact that the tensioning function is not provided, the working efficiency of the fan is influenced, and the waste of resources is caused;
(3) centrifugal fan shock attenuation effect in the above-mentioned patent is not good, and at fan during operation, the rotation of impeller can lead to the organism to produce vibrations, and the shock attenuation effect is not good, not only can lead to the fan to receive the problem that the part drops appear in the vibrations influence, leads to the fan trouble, still can cause fan work to produce great noise, influences personnel's normal use.
We have therefore proposed a dust filtration type centrifugal fan with an automatic cleaning mechanism in order to solve the problems set forth above.
Disclosure of Invention
The invention aims to provide a dust filtration type centrifugal fan with an automatic cleaning mechanism, which aims to solve the problems in the prior art.
In order to achieve the purpose, the invention provides the following technical scheme: a dust filtration type centrifugal fan with an automatic cleaning mechanism comprises a base, wherein one side of the top end of the base is fixedly provided with a mounting plate, an adjusting long hole arranged in the middle of the top end of the mounting plate is connected with an adjusting bolt in a threaded connection with the mounting seat in an inserting way, the top end of the mounting seat is provided with a driving motor, the output end of the driving motor is fixedly provided with a double-groove belt pulley, a supporting seat is fixedly arranged at the other side of the top end of the base, a gear box is arranged in the middle of the top end of the supporting seat, the input end of the gear box is fixedly provided with a three-groove belt pulley, the double-groove belt pulley is in transmission connection with the three-groove belt pulley through a transmission belt, fixing rods are fixedly arranged at two corners of the top end of the supporting seat, one side of each fixing rod is fixedly connected with two ends of one side of the casing, the inner wall of the shell is rotatably connected with an impeller through a bearing, and the output end of the gear box is fixedly connected with one end of the impeller through a coupler;
the top end of the casing is fixedly provided with a bearing seat, one side of the bearing seat is embedded with an inner ring of a connecting bearing and fixedly connected with the middle part of the outer wall of a transmission shaft, one end of the transmission shaft is fixedly connected with one end of a single-groove belt pulley, the single-groove belt pulley is in transmission connection with a three-groove belt pulley through a connecting belt, the middle part of the other side of the casing is fixedly communicated with a connecting ring, one side of the connecting ring is fixedly communicated with one side of a dust filtering box, one side of the inner wall of the dust filtering box is fixedly provided with a dust filtering screen plate, one side of the top end of the dust filtering box is fixedly provided with a supporting plate, one end of one side of the supporting plate is rotatably connected with a sector gear through a bearing, one end of the sector gear is fixedly connected with the other end of the transmission shaft, the middle part of one side of the supporting plate is rotatably connected with a driven gear through a bearing, one end of the supporting plate is meshed with one end of the driven gear, the dust filter is characterized in that one side of the driven gear is fixedly connected with one side of the driving disc, the other side of the driving disc is fixedly connected with one side of the crank, the top of one side of the crank is rotatably connected with the top of one side of the connecting rod, the bottom of one side of the connecting rod is rotatably connected with one side of the connecting lug, the bottom of the connecting lug is fixedly connected with the middle of the top end of the cleaning plate, a cleaning brush is fixedly arranged on one side of the cleaning plate, the bottom end of the inner wall of the dust filter box is fixedly communicated with a dust guide hopper, guide pillars are fixedly arranged on two sides of the inner wall of the dust guide hopper, the outer walls of the two guide pillars are respectively and alternately connected with guide holes formed in two sides of the bottom end of the cleaning plate, and limit holes formed in the middle of the bottom end of the dust filter box are alternately connected with limit strips formed in two sides of the dust collection box.
Preferably, a connecting frame is fixedly arranged at the top of the outer wall of the shell, a compression screw hole formed in the middle of one side of the connecting frame is connected with a compression screw rod in an internal thread mode, one end of the compression screw rod is rotatably connected with the middle of one side of the pressing plate through a bearing, and a sealing gasket is fixedly arranged on the other side of the pressing plate.
Preferably, the middle part of one side of the sealing gasket is fixedly provided with a clamping plate, the top and the bottom of one side of the clamping plate are sequentially provided with a filter screen plate with a larger aperture, the top of one side of the casing is provided with a clamping hole, and the outer wall of the clamping plate is connected with the inner wall of the clamping hole in a clamping manner.
Preferably, the both sides on mounting panel top are all fixed and are equipped with the support ear, every the equal threaded connection of one end of support ear has positioning bolt, the fixed tight frame that rises that is equipped with in middle part on base top.
Preferably, the inner wall of the tensioning frame is rotatably connected with a tensioning screw rod through a bearing, the top of the outer wall of the tensioning screw rod is in threaded connection with a tensioning threaded sleeve, a limiting slide block is slidably connected in a limiting slide hole formed in the middle of one side of the tensioning frame, one side of the limiting slide block is fixedly connected with one side of the tensioning threaded sleeve, and the other side of the limiting slide block is fixedly connected with the middle of the inner wall of the limiting frame.
Preferably, the inner wall of the limiting frame is connected with the outer wall of the tensioning frame in an inserting mode, limiting grooves are formed in the middle of the two ends of the tensioning frame, limiting wheels are fixedly arranged on the two sides of the inner wall of the limiting frame, each limiting wheel is connected with the inner wall of the corresponding limiting groove in an inserting mode, tensioning wheels are connected to the middle of one side of the limiting frame in a rotating mode through bearings, and the outer wall of each tensioning wheel is connected with the inner wall of the transmission belt in an inserting mode.
Preferably, the one end of base one side is fixed and is equipped with the shock attenuation seat, the inner wall of shock attenuation seat rotates through the bearing and is connected with the regulation lead screw, the equal threaded connection in both sides of adjusting the lead screw outer wall has the regulation swivel nut of opposite screw thread direction.
Preferably, the middle part on shock attenuation seat top has been seted up the direction slot hole, the inner wall sliding connection of direction slot hole has two guide blocks, two the bottom of guide block respectively with the top fixed connection of two regulation swivel nuts, every the top of guide block all is fixed and is equipped with the connection pad, every the top of connection pad all is fixed and is equipped with damping spring, every damping spring's top all is fixed and is equipped with the rubber disc.
Preferably, the driving motor is electrically connected with an external power supply through an external driving motor switch.
Compared with the prior art, the invention has the beneficial effects that:
(1) the centrifugal fan is provided with an automatic cleaning mechanism, impurities such as dust in the air can be filtered and automatically cleaned when the fan works, the normal work of the fan is ensured, the ventilation quality is ensured, and the using effect is better;
(2) the adjusting long holes formed in the mounting plate are in threaded connection with the adjusting bolts in threaded connection with the mounting seat, the supporting lugs are in threaded connection with the positioning bolts, the tensioning screw rods connected with the tensioning frames are in threaded connection with the tensioning screw sleeves, the limiting slide blocks connected with the tensioning screw sleeves are connected with the limiting frames, and the tensioning wheels rotatably connected with the limiting frames are in threaded connection with the transmission belt, so that the centrifugal fan has a tensioning function, the tightness of the transmission belt can be guaranteed when the centrifugal fan is used, the transmission efficiency of the fan is guaranteed, the working efficiency of the fan is guaranteed, and resource waste is avoided;
(3) the adjusting screw rod connected through the shock absorption seat is in threaded connection with the adjusting screw sleeve with opposite thread directions, the guide block connected with the adjusting screw sleeve is connected with the connecting disc, the shock absorption spring connected with the connecting disc is connected with the rubber disc, the dust filtering box can be supported, the influence on the fan caused by the vibration generated by the dust filtering box when dust is cleared is avoided, and meanwhile noise is avoided.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a connecting structure of a propeller shaft according to the present invention;
FIG. 3 is a schematic view of the connection structure of the driving disk of the present invention;
FIG. 4 is a partial schematic view of the present invention;
FIG. 5 is a schematic view of the connection structure of the connection frame of the present invention;
FIG. 6 is a schematic view of a connection structure of the stand according to the present invention;
fig. 7 is a schematic view of the connecting structure of the tension frame of the present invention;
fig. 8 is a schematic view of a connection structure of the damper base according to the present invention.
In the figure: 1. a base; 2. mounting a plate; 3. a mounting seat; 4. a drive motor; 5. a double grooved pulley; 6. a tensioning frame; 7. a supporting seat; 8. a housing; 9. a bearing seat; 10. a drive shaft; 11. a single-groove belt pulley; 12. a three-groove belt pulley; 13. a support plate; 14. a sector gear; 15. a dust filtering box; 16. a guide post; 17. a dust collecting box; 18. a shock absorbing seat; 19. a drive disc; 20. a driven gear; 21. a crank; 22. a connecting rod; 23. connecting lugs; 24. cleaning the plate; 25. cleaning a brush; 26. a support ear; 27. positioning the bolt; 28. a gear case; 29. a connecting frame; 30. a connecting ring; 31. an impeller; 32. pressing the lead screw; 33. pressing a plate; 34. clamping a plate; 35. a filter screen plate; 36. fixing the rod; 37. a coupling; 38. tensioning the lead screw; 39. tensioning screw sleeves; 40. a limiting frame; 41. a limiting wheel; 42. a tension wheel; 43. a connecting disc; 44. a damping spring; 45. a rubber disc.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1 to 8, the present invention provides a technical solution: a dust filtration type centrifugal fan with an automatic cleaning mechanism comprises a base 1, a mounting plate 2, a mounting seat 3, a driving motor 4, a double-groove belt pulley 5, a tensioning frame 6, a supporting seat 7, a machine shell 8, a bearing seat 9, a transmission shaft 10, a single-groove belt pulley 11, a three-groove belt pulley 12, a supporting plate 13, a sector gear 14, a dust filtration box 15, a guide post 16, a dust collection box 17, a damping seat 18, a driving plate 19, a driven gear 20, a crank 21, a connecting rod 22, a connecting lug 23, a cleaning plate 24, a cleaning brush 25, a supporting lug 26, a positioning bolt 27, a gear box 28, a connecting frame 29, a connecting ring 30, an impeller 31, a compression screw 32, a pressing plate 33, a clamping plate 34, a filter screen plate 35, a fixing rod 36, a coupling 37, a tensioning screw 38, a tensioning screw sleeve 39, a limiting frame 40, a limiting wheel 41, a connecting wheel 42, a connecting plate 43, a damping spring 44 and a rubber disc 45, wherein the mounting plate 2 is fixedly arranged on one side of the top end of the base 1, an adjusting long hole formed in the middle of the top end of the mounting plate 2 is in threaded connection with an adjusting bolt in threaded connection with a mounting seat 3, a driving motor 4 is mounted at the top end of the mounting seat 3, a double-groove belt pulley 5 is fixedly arranged at the output end of the driving motor 4, a supporting seat 7 is fixedly arranged on the other side of the top end of the base 1, a gear box 28 is mounted in the middle of the top end of the supporting seat 7, a triple-groove belt pulley 12 is fixedly arranged at the input end of the gear box 28, the double-groove belt pulley 5 is in transmission connection with the triple-groove belt pulley 12 through a transmission belt, fixing rods 36 are fixedly arranged at two corners of the top end of the supporting seat 7, one side of each fixing rod 36 is fixedly connected with two ends of one side of the casing 8 respectively, the inner wall of the casing 8 is rotatably connected with an impeller 31 through a bearing, and the output end of the gear box 28 is fixedly connected with one end of the impeller 31 through a coupler 37;
as shown in fig. 1-6, a bearing seat 9 is fixedly arranged at the top end of a housing 8, an inner ring of a connecting bearing embedded at one side of the bearing seat 9 is fixedly connected with the middle part of the outer wall of a transmission shaft 10, one end of the transmission shaft 10 is fixedly connected with one end of a single-groove belt pulley 11, the single-groove belt pulley 11 is in transmission connection with a three-groove belt pulley 12 through a connecting belt, a connecting ring 30 is fixedly communicated with the middle part of the other side of the housing 8, one side of the connecting ring 30 is fixedly communicated with one side of a dust filtering box 15, a dust filtering net plate is fixedly arranged at one side of the inner wall of the dust filtering box 15, a supporting plate 13 is fixedly arranged at one side of the top end of the dust filtering box 15, one end of one side of the supporting plate 13 is rotatably connected with a sector gear 14 through a bearing, one end of the sector gear 14 is fixedly connected with the other end of the transmission shaft 10, a driven gear 20 is rotatably connected with the middle part of one side of the supporting plate 13 through a bearing, one end of the supporting plate is meshed with one end of the driven gear 20, one side of a driven gear 20 is fixedly connected with one side of a driving disc 19, the other side of the driving disc 19 is fixedly connected with one side of a crank 21, the top of one side of the crank 21 is rotatably connected with the top of one side of a connecting rod 22, the bottom of one side of the connecting rod 22 is rotatably connected with one side of a connecting lug 23, the bottom end of the connecting lug 23 is fixedly connected with the middle part of the top end of a cleaning plate 24, one side of the cleaning plate 24 is fixedly provided with a cleaning brush 25, the bottom end of the inner wall of a dust filtering box 15 is fixedly communicated with a dust guiding hopper, two sides of the inner wall of the dust guiding hopper are respectively and fixedly provided with guide posts 16, the outer walls of the two guide posts 16 are respectively and alternately connected with guide holes arranged at two sides of the bottom end of the cleaning plate 24, a limit hole arranged at the middle part of the bottom end of the dust filtering box 15 is alternately connected with limit strips arranged at two sides of the dust collecting box 17, the top of the outer wall of a connecting frame 29 is fixedly arranged at the top of the outer wall of the machine shell 8, a pressing screw hole arranged at one side of the connecting frame 29 is internally connected with a pressing screw 32, the middle part that compresses tightly lead screw 32's one end and clamp plate 33 one side is passed through the bearing and is rotated and be connected, and clamp plate 33's opposite side is fixed to be equipped with sealed the pad, and the middle part of sealed pad one side is fixed and is equipped with cardboard 34, and the top and the bottom of cardboard 34 one side are equipped with the filter plate 35 of aperture grow in proper order, and the card hole has been seted up at the top of casing 8 one side, and the outer wall of cardboard 34 is connected with the inner wall block in card hole.
As shown in fig. 1, 4 and 7, two sides of the top end of the mounting plate 2 are fixedly provided with supporting lugs 26, one end of each supporting lug 26 is in threaded connection with a positioning bolt, the middle part of the top end of the base 1 is fixedly provided with a tension frame 6, the inner wall of the tension frame 6 is rotatably connected with a tension screw 38 through a bearing, the top of the outer wall of the tension screw 38 is in threaded connection with a tension screw sleeve 39, a limit slider is slidably connected in a limit slide hole formed in the middle part of one side of the tension frame 6, one side of the limit slider is fixedly connected with one side of the tension screw sleeve 39, the other side of the limit slider is fixedly connected with the middle part of the inner wall of the limit frame 40, the inner wall of the limit frame 40 is in penetrating connection with the outer wall of the tension frame 6, the middle parts of two ends of the tension frame 6 are provided with limit grooves, two sides of the inner wall of the limit frame 40 are fixedly provided with limit wheels 41, the outer wall of each limit wheel 41 is in penetrating connection with the inner wall of the corresponding limit groove, the middle part of one side of the limiting frame 40 is rotatably connected with a tension wheel 42 through a bearing, and the outer wall of the tension wheel 42 is inserted and connected with the inner wall of the transmission belt;
as shown in fig. 1 and 8, the fixed cushion socket 18 that is equipped with of one end of base 1 one side, the inner wall of cushion socket 18 rotates through the bearing and is connected with the regulation lead screw, the equal threaded connection in both sides of adjusting the lead screw outer wall has the regulation swivel nut of opposite screw thread direction, the direction slot hole has been seted up at the middle part on cushion socket 18 top, the inner wall sliding connection of direction slot hole has two guide blocks, the bottom of two guide blocks respectively with the top fixed connection of two regulation swivel nuts, the top of every guide block all is fixed and is equipped with connection pad 43, the top of every connection pad 43 all is fixed and is equipped with damping spring 44, the top of every damping spring 44 all is fixed and is equipped with rubber disc 45, driving motor 4 is through external driving motor switch and external power supply electric connection.
The working principle of the embodiment is as follows: as shown in fig. 1 and 8, when the fan is used, the dust filtering box 15 is connected with the connecting ring 30 connected with the casing 8, and meanwhile, a person can drive the adjusting screw rod connected with the shock absorbing seat 18, so as to adjust the distance between the two adjusting screw sleeves, the dust filtering box 15 acts on the rubber disc 45, and then acts on the shock absorbing spring 44 connected with the connecting disc 43, so that the support of the dust filtering box 15 can be ensured, the dust filtering box 15 is prevented from generating large vibration during working, and the generation of noise is avoided;
when the centrifugal fan works, as shown in fig. 1-6, the driving motor 4 on the mounting base 3 drives the double-groove belt pulley 5 to rotate, the double-groove belt pulley 5 acts on the three-groove belt pulley 12 through the driving belt, the three-groove belt pulley 12 acts on the output end of the gear box 28 on the supporting base 7, the output end of the gear box 28 acts on the impeller 31 in the casing 8 through the coupling 37, the impeller 31 drives to generate suction, air enters the casing 8 through the dust filtering box 15 through the connecting ring 30 to supply air, in the process, the air is filtered by the dust filtering screen plate in the dust filtering box 15 to filter air, impurities such as dust and the like are attached to the dust filtering screen plate, at the moment, the three-groove belt pulley 12 drives the single-groove belt pulley 11 through the connecting belt, so that the driving shaft 10 can rotate in the bearing base 9, the driving shaft 10 drives the sector gear 14, the sector gear 14 intermittently drives the driven gear 20 on the supporting plate 13, the driven gear 20 drives the driving disc 19, the driving disc 19 drives the crank 21, the crank 21 acts on the connecting rod 22, the connecting rod 22 can reciprocate up and down, the connecting rod 22 is rotatably connected with a connecting lug 23 on the cleaning plate 24, the cleaning plate 24 can drive the cleaning brush 25, the cleaning plate 24 reciprocates on the guide post 16, the cleaning brush 25 can act on the dust filter screen plate, so that dust on the dust filter screen plate is cleaned, the dust falls into the dust collection box 17, and is convenient for personnel to clean subsequently, in the air supply process of the fan, the air can be filtered again through the filter screen plate 35 connected with the clamping plate 34, the personnel drives the pressing screw 32 to act on the pressing plate 33, so that the filter screen plate 35 is moved out for cleaning;
after the centrifugal fan works, a person can tighten the transmission belt, as shown in fig. 1, 4 and 7, an adjusting bolt in threaded connection with the mounting plate 3 is inserted into an adjusting long hole formed in the mounting plate 2, the supporting lug 26 is connected with a positioning bolt 27, the person can adjust the driving motor 4 conveniently, meanwhile, the person can rotate a tightening screw 38 in the tightening frame 6, the tightening screw 38 drives a tightening threaded sleeve 39 to drive the limiting frame 40 to move, the limiting frame 40 drives a tightening wheel 42 to move, the transmission belt can be tightened, and the transmission efficiency of the fan is guaranteed.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.
Claims (9)
1. A dust filtration type centrifugal fan with an automatic cleaning mechanism comprises a base (1), wherein a mounting plate (2) is fixedly arranged on one side of the top end of the base (1), an adjusting long hole formed in the middle of the top end of the mounting plate (2) is connected with an adjusting bolt in a threaded connection mode of a mounting seat (3) in an inserting mode, a driving motor (4) is installed at the top end of the mounting seat (3), a double-groove belt pulley (5) is fixedly arranged at the output end of the driving motor (4), a supporting seat (7) is fixedly arranged on the other side of the top end of the base (1), a gear box (28) is installed in the middle of the top end of the supporting seat (7), a triple-groove belt pulley (12) is fixedly arranged at the input end of the gear box (28), the double-groove belt pulley (5) is in transmission connection with the triple-groove belt pulley (12) through a transmission belt, and fixing rods (36) are fixedly arranged at two corners of the top end of the supporting seat (7), two one side of dead lever (36) respectively with the both ends fixed connection of casing (8) one side, the inner wall of casing (8) rotates through the bearing and is connected with impeller (31), the output of gear box (28) passes through the one end fixed connection of shaft coupling (37) and impeller (31), its characterized in that:
the fixed bearing frame (9) that is equipped with in top of casing (8), the inner ring of the connection bearing that establishes is inlayed to bearing frame (9) one side and the middle part fixed connection of transmission shaft (10) outer wall, the one end of transmission shaft (10) and the one end fixed connection of single groove belt pulley (11), single groove belt pulley (11) are connected with three groove belt pulley (12) transmission through connecting the belt, the fixed intercommunication in middle part of casing (8) opposite side has clamping ring (30), one side of clamping ring (30) and the fixed intercommunication in one side of straining dirt box (15), strain the fixed dirt otter board that is equipped with in one side of dirt box (15) inner wall, strain the fixed backup pad (13) that is equipped with in one side on dirt box (15) top, the one end of backup pad (13) one side is connected with sector gear (14) through the bearing rotation, the one end of sector gear (14) and the other end fixed connection of transmission shaft (10), the dust filter is characterized in that the middle of one side of the supporting plate (13) is rotatably connected with a driven gear (20) through a bearing, one end of the supporting plate (13) is meshed with one end of the driven gear (20), one side of the driven gear (20) is fixedly connected with one side of a driving disc (19), the other side of the driving disc (19) is fixedly connected with one side of a crank (21), the top of one side of the crank (21) is rotatably connected with the top of one side of a connecting rod (22), the bottom of one side of the connecting rod (22) is rotatably connected with one side of a connecting lug (23), the bottom of the connecting lug (23) is fixedly connected with the middle of the top end of a cleaning plate (24), one side of the cleaning plate (24) is fixedly provided with a cleaning brush (25), the bottom end of the inner wall of a dust filter box (15) is fixedly communicated with a dust guide hopper, guide posts (16) are fixedly arranged on two sides of the inner wall of the dust guide hopper, guide post (16) are respectively inserted into guide holes formed in two sides of the bottom end of the cleaning plate (24) And the middle part of the bottom end of the dust filtering box (15) is provided with a limiting hole which is inserted and connected with limiting strips arranged on two sides of the dust collecting box (17).
2. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 1, wherein: the top of casing (8) outer wall is fixed and is equipped with link (29), the screw female connection that compresses tightly that the middle part of link (29) one side was seted up has compressing screw (32), the middle part of compressing screw (32) one side is passed through the bearing and is rotated with clamp plate (33) one side and is connected, the opposite side of clamp plate (33) is fixed and is equipped with sealed the pad.
3. A dust filtration type centrifugal fan having an automatic cleaning mechanism according to claim 2, wherein: the middle part of one side of the sealing gasket is fixedly provided with a clamping plate (34), the top and the bottom of one side of the clamping plate (34) are sequentially provided with a filter screen plate (35) with a larger aperture, the top of one side of the casing (8) is provided with a clamping hole, and the outer wall of the clamping plate (34) is connected with the inner wall of the clamping hole in a clamping manner.
4. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 1, wherein: the both sides on mounting panel (2) top are all fixed and are equipped with support ear (26), every the equal threaded connection in one end that supports ear (26) has positioning bolt, the fixed tight frame (6) that rises that is equipped with in middle part on base (1) top.
5. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 4, wherein: the inner wall of the tensioning frame (6) is rotatably connected with a tensioning screw rod (38) through a bearing, the top of the outer wall of the tensioning screw rod (38) is in threaded connection with a tensioning threaded sleeve (39), a limiting slide block is slidably connected in a limiting slide hole formed in the middle of one side of the tensioning frame (6), one side of the limiting slide block is fixedly connected with one side of the tensioning threaded sleeve (39), and the other side of the limiting slide block is fixedly connected with the middle of the inner wall of the limiting frame (40).
6. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 5, wherein: spacing (40) inner wall alternates with the outer wall that rises and tightly puts up (6) and is connected, the spacing groove has all been seted up at the middle part at the tight frame (6) both ends that rises, the both sides of spacing (40) inner wall are all fixed and are equipped with spacing wheel (41), every the outer wall of spacing wheel (41) all alternates with the inner wall that corresponds the spacing groove and is connected, the middle part of spacing (40) one side is rotated through the bearing and is connected with tight pulley (42) that rises, the outer wall that rises tight pulley (42) alternates with driving belt's inner wall and is connected.
7. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 1, wherein: the fixed cushion socket (18) that is equipped with of one end of base (1) one side, the inner wall of cushion socket (18) is connected with the regulation lead screw through the bearing rotation, the equal threaded connection in both sides of adjusting the lead screw outer wall has the regulation swivel nut of screw thread opposite direction.
8. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 7, wherein: the middle part on shock mount (18) top has seted up the direction slot hole, the inner wall sliding connection of direction slot hole has two guide blocks, two the bottom of guide block respectively with two top fixed connection of adjusting the swivel nut, every the top of guide block all is fixed and is equipped with connection pad (43), every the top of connection pad (43) all is fixed and is equipped with damping spring (44), every damping spring (44) the top all is fixed and is equipped with rubber disc (45).
9. A dust filtration type centrifugal fan with an automatic cleaning mechanism according to claim 1, wherein: the driving motor (4) is electrically connected with an external power supply through an external driving motor switch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210492095.8A CN114909306A (en) | 2022-05-07 | 2022-05-07 | Dust filtration type centrifugal fan with automatic cleaning mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210492095.8A CN114909306A (en) | 2022-05-07 | 2022-05-07 | Dust filtration type centrifugal fan with automatic cleaning mechanism |
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| Publication Number | Publication Date |
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| CN114909306A true CN114909306A (en) | 2022-08-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210492095.8A Withdrawn CN114909306A (en) | 2022-05-07 | 2022-05-07 | Dust filtration type centrifugal fan with automatic cleaning mechanism |
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| Country | Link |
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| CN (1) | CN114909306A (en) |
Cited By (1)
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Application publication date: 20220816 |