CN117386649B - Exhaust fan convenient to clean flabellum - Google Patents
Exhaust fan convenient to clean flabellum Download PDFInfo
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- CN117386649B CN117386649B CN202311683835.7A CN202311683835A CN117386649B CN 117386649 B CN117386649 B CN 117386649B CN 202311683835 A CN202311683835 A CN 202311683835A CN 117386649 B CN117386649 B CN 117386649B
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- inner container
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- 241000883990 Flabellum Species 0.000 title claims description 3
- 238000004140 cleaning Methods 0.000 claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims description 27
- 230000005540 biological transmission Effects 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 7
- 230000001681 protective effect Effects 0.000 claims description 6
- 238000009423 ventilation Methods 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000000903 blocking effect Effects 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004378 air conditioning Methods 0.000 description 1
- 238000003491 array Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 230000001427 coherent effect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
Classifications
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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Abstract
The invention discloses an exhaust fan convenient for cleaning fan blades, and particularly relates to the technical field of exhaust fans. According to the exhaust fan convenient for cleaning the fan blades, the locking relation between the output shaft and the exhaust fan as well as between the output shaft and the connecting frame is changed by utilizing the arc-shaped blocks which are matched with each other, so that the working state of the exhaust fan is switched, and the connecting frame is enabled to be in a rotating state with the whole inner container by utilizing the limiting relation between the connecting frame and the inner container, so that the purpose of locking the fan for cleaning during cleaning is achieved, and the cleaning effect of the exhaust fan is improved.
Description
Technical Field
The invention relates to the technical field of exhaust fans, in particular to an exhaust fan convenient for cleaning fan blades.
Background
The fan is a kind of air-conditioning electric appliance which uses motor to drive fan blade to rotate and drive air flow so as to make indoor and outdoor air exchange. The purpose of the exhaust air is to remove indoor polluted air, and adjust the temperature, humidity and feel effect.
The Chinese patent document CN113279991B discloses an exhaust fan convenient for cleaning fan blades, and the exhaust fan has better capability of promoting air flow, is convenient for cleaning the fan blades of the exhaust fan, is convenient for cleaning dust on adjusting blades, and can also adjust the wind direction of the exhaust fan.
However, in the actual use process, the device cannot lock the fan for cleaning, and the fan may shake or rotate during cleaning to affect the cleaning effect.
Disclosure of Invention
The invention mainly aims to provide an exhaust fan convenient for cleaning fan blades, which can effectively solve the problem that the existing exhaust fan can not lock the fan for cleaning.
In order to achieve the above purpose, the technical scheme adopted by the invention is as follows:
the exhaust fan convenient for cleaning the fan blades comprises a shell, wherein through ventilation openings are formed in the front end and the rear end of the shell, hollow frames are fixedly arranged on one sides, away from each other, of the inner surfaces of the two ventilation openings, a plurality of through arc-shaped grooves are formed in a front annular array of the shell, an output switching mechanism is jointly arranged between the front side wall and the rear side wall of the inner surface of the shell, a driven mechanism is also jointly arranged between the front side wall and the rear side wall of the inner surface of the shell, and the driven mechanism is positioned in the output switching mechanism;
the driven mechanism comprises an inner container, the front end and the rear end of the inner container are respectively connected with the front side wall and the rear side wall of the inner surface of the outer shell in a rotating mode, a plurality of groups of containing groove groups with the same number of arc-shaped grooves are formed in the inner surface of the inner container, each group of containing groove groups comprises containing grooves with a plurality of front-rear arrays, the inner surface of each containing groove is provided with a cleaning brush in a rotating mode, one side, close to the center of the inner container, of the inner surface of each containing groove is provided with a sliding cover used for shielding the corresponding containing groove in a sliding mode, the front side and the rear side of the inner surface of the inner container are respectively fixedly provided with a hollowed-out net, the two hollowed-out nets are respectively connected with the hollowed-out frames on the corresponding side in a rotating mode, and the front end of the hollowed-out net is further provided with a protective cover.
Preferably, the output switching mechanism comprises a motor fixedly installed at the front end of the hollowed-out frame located at the rear side, the motor is located in the protective cover, an output shaft is arranged at the output end of the motor, an exhaust fan located at the front side and a connecting frame located at the rear side are sleeved on the outer surface of the output shaft, the connecting frame is composed of an annular sleeve and a plurality of connecting rods II, the connecting rods II are far away from an annular plate fixedly connected with one end of the annular sleeve, a control frame is arranged at the front end of the annular plate, a driven frame is arranged at the rear end of the annular plate, and springs are arranged at the rear end of the driven frame.
Preferably, the control frame comprises a first positioning ring and a plurality of connecting rods for fixing the first positioning ring, the number and the positions of the third connecting rods are corresponding to the arc-shaped grooves, the third connecting rods penetrate through the corresponding arc-shaped grooves, the driven frame comprises a second positioning ring and a supporting frame, clamping grooves matched with the outline of the first positioning ring and the outline of the second positioning ring are formed in the front end and the rear end of the annular plate, the cross sections of the first positioning ring and the second positioning ring are circular, and the circle centers of the cross sections of the first positioning ring and the second positioning ring at the rear side are located in the clamping grooves at the corresponding sides.
Preferably, the exhaust fan comprises a cutting sleeve and a plurality of fan blades, the rear end of the cutting sleeve is rotationally connected with the annular sleeve, the inner surface of the cutting sleeve is not contacted with the outer surface of the output shaft, the front part of the inner surface of the cutting sleeve is fixedly connected with a plurality of annular array arc blocks I, the front part of the inner surface of the cutting sleeve is fixedly connected with a plurality of annular array arc blocks II, the arc blocks I and the arc blocks II are front and back in a central symmetry manner, the rear end of the hollowed-out frame on the front side is fixedly connected with a plurality of arc blocks III matched with the arc blocks I, the inner surface of the annular sleeve is fixedly connected with a plurality of annular array arc blocks IV, and the outer surface of the output shaft is fixedly connected with a plurality of annular array arc blocks V.
Preferably, the unfolding surfaces of the arc-shaped block III and the arc-shaped block I are right trapezoid, and the inclined edges of the arc-shaped block III and the arc-shaped block I are positioned at one end close to each other;
the unfolding surface of the arc-shaped block II and the unfolding surface of the arc-shaped block IV are right trapezoid, the unfolding surface of the arc-shaped block V is parallelogram, the inclined edges of the arc-shaped block II and the arc-shaped block IV are located at one ends close to each other, and the inclined edges of the arc-shaped block III, the arc-shaped block I, the arc-shaped block II, the arc-shaped block IV and the arc-shaped block V are inclined towards the same direction.
Preferably, the outer surface of the inner container is provided with a plurality of second limit grooves matched with the second connecting rods, and the positions of the second connecting rods, which correspond to the inner container, are provided with transmission assemblies;
the transmission assembly comprises a rack penetrating through the second connecting rod and a plurality of driven gears corresponding to the accommodating grooves from front to back, the rack is fixedly connected with the second connecting rod, the driven gears are rotationally connected with the inner container, the rack is meshed with the driven gears, shafts of the driven gears are communicated with the accommodating grooves, and a bevel gear set is arranged between the cleaning brush and the driven gears.
Preferably, the front end and the rear end of the second connecting rod are fixedly connected with a fourth connecting rod, and the fourth connecting rod is fixedly connected with a plurality of sliding covers on one corresponding side.
Preferably, the limiting blocks are fixedly installed at positions, corresponding to the plurality of arc grooves, of the front wall of the inner surface of the shell, arc rods are fixedly connected to positions, corresponding to the plurality of limiting blocks, of the outer surface of the connecting rod III, and two jacks which are distributed front and back are formed in one side, close to the corresponding arc rods, of the outer surface of the limiting block.
Preferably, the outer surfaces of the second connecting rods are fixedly connected with sealing plates corresponding to the inner container, and the sealing plates are in sliding connection with the inner container.
Compared with the prior art, the invention has the following beneficial effects:
1. when the cleaning state needs to be switched, a user can change the locking relation between the output shaft and the exhaust fan as well as between the output shaft and the connecting frame by utilizing a plurality of arc-shaped blocks matched with each other through operating the control frame, so that the working state of the exhaust fan is switched, and the connecting frame is enabled to integrally enter the rotating state with the liner by utilizing the limiting relation between the connecting frame and the liner, thereby achieving the aim of locking the fan for cleaning when cleaning, avoiding the influence of shaking or rotation of the fan on the cleaning effect when cleaning, and improving the cleaning effect.
2. In the process of switching the cleaning state, the corresponding driven gear rotates through the movement of the rack, the cleaning brush in the accommodating groove rotates out through the bevel gear set, meanwhile, the sliding covers are pushed forward simultaneously through the connecting rod IV, the sliding covers are prevented from blocking the cleaning brush, the whole rotation of the inner container can drive the cleaning brush to brush the outer surface of the exhaust fan, the whole structure is coherent and reasonable in action, the motor of the exhaust fan is utilized for automatic cleaning, and the cleaning efficiency and the cleaning cost are improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention;
FIG. 2 is a schematic diagram of the whole internal structure of the present invention;
FIG. 3 is a schematic view of the structure of the inside of the driven mechanism of the present invention;
FIG. 4 is a schematic diagram of an output switching mechanism according to the present invention;
FIG. 5 is an enlarged schematic view of the structure of FIG. 3C according to the present invention;
FIG. 6 is an exploded view of the structure of the output switching mechanism of the present invention;
FIG. 7 is a schematic view of the structure of the exhaust fan and the inside of the connecting frame of the present invention;
FIG. 8 is an enlarged schematic view of the structure of FIG. 2A according to the present invention;
FIG. 9 is a schematic diagram of the whole interior of the present invention;
FIG. 10 is an enlarged schematic view of the structure of FIG. 9B in accordance with the present invention;
FIG. 11 is a first view of the internal working state of the liner of the present invention;
FIG. 12 is a second view of the internal working state of the liner according to the present invention;
FIG. 13 is an enlarged schematic view of the structure of FIG. 11D according to the present invention;
FIG. 14 is an enlarged schematic view of the structure of FIG. 12E according to the present invention;
fig. 15 is a schematic structural view of the cleaning brush of the present invention.
In the figure: 1. a housing; 2. an output switching mechanism; 3. a driven mechanism; 11. a hollowed-out frame; 12. an arc-shaped groove; 13. a limiting block; 14. a jack; 15. arc blocks III; 21. a motor; 22. an output shaft; 221. arc blocks V; 23. an exhaust fan; 231. a cutting sleeve; 232. arc-shaped block I; 233. arc-shaped blocks II; 24. a connecting frame; 241. arc blocks IV; 242. an annular sleeve; 243. a second connecting rod; 25. an annular plate; 251. a clamping groove; 26. a control rack; 261. an arc-shaped rod; 262. a first positioning ring; 263. a connecting rod III; 27. a driven frame; 28. a spring; 31. an inner container; 32. a receiving groove; 33. a sliding cover; 331. a connecting rod IV; 34. a transmission assembly; 341. a rack; 342. a driven gear; 343. a bevel gear set; 35. a cleaning brush; 36. a protective cover; 37. a hollowed-out net; 38. and (5) sealing the plate.
Detailed Description
The invention is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the invention easy to understand.
As shown in fig. 1 and fig. 2, the invention discloses an exhaust fan convenient for cleaning fan blades, which comprises a housing 1, wherein the front end and the rear end of the housing 1 are respectively provided with a penetrating ventilation opening, one side, away from each other, of the inner surfaces of the two ventilation openings is fixedly provided with a hollowed-out frame 11, the hollowed-out frame 11 consists of a round block and a plurality of connecting rods, a front end annular array of the housing 1 is provided with a plurality of penetrating arc grooves 12, an output switching mechanism 2 is jointly arranged between the front side wall and the rear side wall of the inner surface of the housing 1, a driven mechanism 3 is jointly arranged between the front side wall and the rear side wall of the inner surface of the housing 1, the driven mechanism 3 is positioned in the output switching mechanism 2, and the working state of the exhaust fan can be changed by operating the output switching mechanism 2 when the exhaust fan is used.
In addition, when the device is used for cleaning, a water gun can be additionally arranged to clean the exhaust fan, the shell 1 can also be directly erected (the hollow frame 11 at the front side is placed upside down upwards), and the cleaning is carried out while water (or cleaning agent) is poured, so that the operation is a conventional means in the prior art, and the repeated description of the operation is omitted.
Further, as shown in fig. 3-7, the output switching mechanism 2 includes a motor 21 fixedly installed at the front end of the hollow frame 11 at the rear side, the motor 21 is located in a protecting cover 36, the protecting cover 36 can shield dust during operation of the device, an output shaft 22 is arranged at the output end of the motor 21, the output end of the motor 21 is fixedly connected with the output shaft 22, the output shaft 22 passes through the protecting cover 36, the front end of the output shaft 22 is rotationally connected with the hollow frame 11 at the front side, the output shaft 22 is sealed with the protecting cover 36, an exhaust fan 23 at the front side and a connecting frame 24 at the rear side are sleeved on the outer surface of the output shaft 22, the connecting frame 24 is composed of an annular sleeve 242 and a plurality of connecting rods II 243, one end, far away from the annular sleeve 242, of the connecting rods II 243 is fixedly connected with an annular plate 25, a control frame 26 is arranged at the front end of the annular plate 25, a driven frame 27 is arranged at the rear end of the annular plate 25, a spring 28 is arranged at the rear end of the driven frame 27, and thrust is continuously applied forwards.
In order to lock and unlock the position of the exhaust fan 23, as shown in fig. 6 and 7, the control frame 26 includes two first positioning rings 262 and a plurality of third connecting rods 263 for fixing the two first positioning rings 262, and the number and positions of the third connecting rods 263 correspond to the plurality of arc grooves 12, the plurality of third connecting rods 263 pass through the corresponding arc grooves 12, the driven frame 27 is composed of a second positioning ring and a supporting frame, the front and rear ends of the annular plate 25 are respectively provided with a clamping groove 251 matched with the profiles of the first positioning ring 262 and the second positioning ring, the cross sections of the first positioning ring 262 and the second positioning ring are circular, the centers of the cross sections of the first positioning ring 262 and the second positioning ring 262 on the rear side are respectively located in the clamping grooves 251 on the corresponding side, and the first positioning ring 262 on the front side is located on the outer side of the housing 1, so that the annular plate 25 does not drive the control frame 26 or the driven frame 27 to rotate when rotating, but the first positioning ring 262, the second positioning ring and the clamping grooves 251 are in a limiting relation, so that a user can pull the first positioning ring 262 on the outer side of the housing 1 forwards to push the annular plate 24 and the exhaust fan 23 forwards.
Specifically, as shown in fig. 7, the exhaust fan 23 includes a cutting ferrule 231 and a plurality of fan blades, the rear end of the cutting ferrule 231 is rotationally connected with the annular sleeve 242, the inner surface of the cutting ferrule 231 is not in contact with the outer surface of the output shaft 22, the front part of the inner surface of the cutting ferrule 231 is fixedly connected with a plurality of annular array arc blocks one 232, the front part of the inner surface of the cutting ferrule 231 is fixedly connected with a plurality of annular array arc blocks two 233, the arc blocks one 232 and the arc blocks two 233 are front-to-back symmetrical, the inner surfaces of the arc blocks one 232 and the arc blocks two 233 are in contact with the outer surface of the output shaft 22, the rear end of the hollowed-out frame 11 positioned at the front side is fixedly connected with a plurality of arc blocks three 15 matched with the arc blocks one 232, the inner surface of the annular sleeve 242 is fixedly connected with a plurality of annular array arc blocks four 241, the annular sleeve 242 is in the same way as the exhaust fan 23, the inner surface of the annular sleeve 242 is in contact with the outer surface of the output shaft 22 through the arc blocks four 241, and the outer surface of the output shaft 22 is fixedly connected with a plurality of annular array arc blocks five 221.
Further, the unfolding surfaces of the arc-shaped block three 15 and the arc-shaped block one 232 are right trapezoid, the inclined edges of the arc-shaped block three 15 and the arc-shaped block one 232 are located at one ends close to each other, the unfolding surfaces of the arc-shaped block two 233 and the arc-shaped block four 241 are right trapezoid, the unfolding surfaces of the arc-shaped block five 221 are parallelogram, the inclined edges of the arc-shaped block two 233 and the arc-shaped block four 241 are located at one ends close to each other, and the inclined edges of the arc-shaped block three 15, the arc-shaped block one 232, the arc-shaped block two 233, the arc-shaped block four 241 and the arc-shaped block five 221 are inclined towards the same direction.
It should be noted that the device has two working states: one is in a normal exhaust state, and the motor 21 can drive the exhaust fan 23 to rotate to generate an exhaust effect when in operation; the other is a cleaning state, when in work, the exhaust fan 23 can be locked, the cleaning brush 35 stored in the sliding cover 33 is released, and the motor 21 works to drive the driven mechanism 3 to integrally rotate so as to clean the exhaust fan 23, the protective cover 36 and other mechanisms in the device.
When the device is in an exhaust state, the motor 21 works to drive the exhaust fan 23 to integrally rotate, so that the positions of the arc-shaped blocks five 221 and the arc-shaped blocks two 233 are staggered and attached together, the arc-shaped blocks five 221 are not contacted with the arc-shaped blocks four 241, the output shaft 22 and the exhaust fan 23 are in a relatively locked state, and the motor 21 works to drive the arc-shaped blocks two 233 to rotate through the output shaft 22 and the arc-shaped blocks five 221, so that the exhaust fan 23 is driven to integrally rotate, and the exhaust effect is achieved;
in addition, when the device is in a cleaning state, the exhaust fan 23 needs to be locked, so that the exhaust fan 23 is not driven by the output shaft 22, at this time, a user can pull the positioning ring one 262 positioned at the front side to enable the exhaust fan 23 to move backwards, so that the plurality of arc-shaped blocks one 232 are inserted into the gap between every two arc-shaped blocks three 15, at this time, the arc-shaped blocks two 233 are separated from the arc-shaped blocks five 221, so that the locking relation between the output shaft 22 and the exhaust fan 23 is released, and the arc-shaped blocks three 15 are fixedly connected with the hollowed-out frame 11, so that the arc-shaped blocks three 15 can clamp and fix the position of the exhaust fan 23, the exhaust fan 23 is convenient to clean, at the same time, the arc-shaped blocks four 241 can also enter the gap between the arc-shaped blocks five 221 to be attached to the arc-shaped blocks five 221, at this time, the connecting frame 24 is in a locking relation with the output shaft 22, and the motor 21 can work to drive the connecting frame 24 to rotate integrally.
The purpose of the inclined edge is to avoid that the arc blocks are not aligned with the corresponding arc block gaps on the other side, and in the process of moving back and forth, two groups of different arc blocks are contacted to enable the clamping sleeve 231 to integrally rotate along the inclination, so that the arc blocks can be inserted and locked.
In order to lock the front and back positions of the annular plate 25, the connection frame 24 and the exhaust fan 23 are prevented from shaking back and forth to affect normal operation during operation, as shown in fig. 2 and 8, limiting blocks 13 are fixedly installed on the front wall of the inner surface of the shell 1 corresponding to the positions of the plurality of arc grooves 12, arc rods 261 are fixedly connected to the positions of the outer surfaces of the plurality of connecting rods three 263 corresponding to the plurality of limiting blocks 13, two jacks 14 distributed back and forth are formed in one side, close to the corresponding arc rods 261, of the outer surfaces of the plurality of limiting blocks 13, the plurality of arc rods 261 are located in the jacks 14 corresponding to the rear side in an initial state, and a user can unlock the arc rods 261 and lock the corresponding jacks 14 by rotating the first positioning ring 262 at the front side, pulling the first positioning ring 262 backwards, and continuing to rotate the operation of inserting the first positioning ring 262 into the corresponding jacks 14.
In order to drive the driven mechanism 3 to work integrally when the connecting frame 24 is in a cleaning state, as shown in fig. 9-15, the driven mechanism 3 comprises an inner container 31, the front end and the rear end of the inner container 31 are respectively connected with the front side wall and the rear side wall of the inner surface of the housing 1 in a rotating way, a plurality of groups of containing groove groups which are the same in number with the arc-shaped grooves 12 are formed in the inner surface of the inner container 31, each group of containing groove groups comprises a plurality of containing grooves 32 which are arrayed in the front and the rear, a cleaning brush 35 is rotatably arranged on the inner surface of each containing groove 32, a sliding cover 33 for shielding the containing groove 32 is slidably arranged on one side, close to the center of the inner container 31, of the inner surface of the inner container 31, hollow nets 37 are fixedly arranged on the front side and the rear side of the inner surface of the inner container 31, two hollow nets 37 are respectively connected with round blocks of the hollow frames 11 on the corresponding side in a rotating way, a protecting cover 36 is further arranged on the front end of the hollow net 37 on the rear side, and the connecting relation between the protecting cover 36 and the hollow nets 37 is fixedly connected.
Further, the outer surface of the inner container 31 is provided with a plurality of second limiting grooves adapted to the second connecting rod 243 for limiting the forward and backward movement travel of the connecting frame 24, and when the connecting frame 24 continuously rotates, the second connecting rod 243 drives the inner container 31 to integrally rotate due to the limitation of the second connecting rod 243 and the second limiting grooves, the positions of the second connecting rod 243 corresponding to the inner container 31 are respectively provided with a transmission component 34, and the transmission components 34 are used for opening the sliding cover 33 and discharging the cleaning brush 35 when the second connecting rod 243 moves forward.
Specifically, the transmission assembly 34 includes a rack 341 penetrating through the second connecting rod 243 and a plurality of driven gears 342 corresponding to the accommodating grooves 32, the rack 341 is fixedly connected with the second connecting rod 243, the rack 341 is slidably connected with the inner container 31, the driven gears 342 are rotatably connected with the inner container 31, the rack 341 is meshed with the driven gears 342, the shaft of the driven gears 342 is communicated with the accommodating grooves 32, a bevel gear set 343 is jointly arranged between the cleaning brush 35 and the driven gears 342, the bevel gear set 343 is composed of two bevel gears perpendicular to each other, one bevel gear is fixedly connected with the driven gears 342 through a coaxial shaft, the other bevel gear is fixedly connected with the cleaning brush 35, and therefore the second connecting rod 243 can rotate the corresponding driven gears 342 in a mode of driving the racks 341 to move in a forward moving process, and the cleaning brush 35 in the accommodating grooves 32 is enabled to rotate through the bevel gear set 343.
Meanwhile, the four connecting rods 331 are fixedly connected to the front end and the rear end of the second connecting rod 243, the four connecting rods 331 and the sliding covers 33 on the corresponding sides are fixedly connected in the forward moving process of the second connecting rod 243, the sliding covers 33 can be pushed forward through the four connecting rods 331 at the same time, the sliding covers 33 are prevented from blocking the cleaning brush 35, the accommodating grooves 32 can be blocked and sealed by the sliding covers 33 in the exhaust state, and the cleaning brush 35 is accommodated.
In addition, the sealing plates 38 are fixedly connected to the outer surfaces of the second connecting rods 243 corresponding to the positions of the inner container 31, the sealing plates 38 are slidably connected with the inner container 31, and the sealing plates 38 can always block and seal the second limiting grooves, so that water or wind is prevented from leaking from the second limiting grooves.
Therefore, the specific implementation manner of this embodiment is as follows: when the device is in an exhaust state, the motor 21 works to drive the exhaust fan 23 to integrally rotate, so that the positions of the arc-shaped blocks five 221 and the arc-shaped blocks two 233 are staggered and attached together, the arc-shaped blocks five 221 are not contacted with the arc-shaped blocks four 241, the output shaft 22 and the exhaust fan 23 are in a relatively locked state, and the motor 21 works to drive the arc-shaped blocks two 233 to rotate through the output shaft 22 and the arc-shaped blocks five 221, so that the exhaust fan 23 is driven to integrally rotate, and the exhaust effect is achieved;
when the device needs to be cleaned, a user can pull the positioning ring one 262 positioned at the front side to enable the exhaust fan 23 to move forwards, and lock the clamping sleeve 231 through the jack 14, so that the arc blocks one 232 are inserted into the gap between every two arc blocks three 15, at the moment, the arc blocks two 233 and five 221 are separated from each other to unlock the locking relation between the output shaft 22 and the exhaust fan 23, so that the arc blocks three 15 can clamp and fix the position of the exhaust fan 23, the exhaust fan 23 is convenient to clean, meanwhile, the arc blocks four 241 can enter the gap between the arc blocks five 221 to be attached to the arc blocks five 221, the connecting frame 24 is locked with the output shaft 22, the motor 21 can work to drive the connecting frame 24 to rotate integrally, and the connecting rods two 243 and the limiting grooves two 243 can drive the inner container 31 to rotate integrally;
in the process of moving forward, the second link 243 can rotate the corresponding driven gear 342 by driving the rack 341 to move, and the bevel gear set 343 can rotate the cleaning brush 35 in the accommodating groove 32, and the fourth link 331 can simultaneously push the sliding covers 33 forward, so that the sliding covers 33 are prevented from blocking the cleaning brush 35, and the whole rotation of the inner container 31 can drive the cleaning brush 35 to brush the outer surface of the exhaust fan 23.
The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides an exhaust fan convenient to clean flabellum, includes shell (1), its characterized in that: the front end and the rear end of the shell (1) are provided with penetrating ventilation openings, one sides, far away from each other, of the inner surfaces of the ventilation openings are fixedly provided with hollowed-out frames (11), a plurality of penetrating arc-shaped grooves (12) are formed in a front annular array of the shell (1), an output switching mechanism (2) is jointly arranged between the front side wall and the rear side wall of the inner surface of the shell (1), a driven mechanism (3) is also jointly arranged between the front side wall and the rear side wall of the inner surface of the shell (1), and the driven mechanism (3) is positioned in the output switching mechanism (2);
the driven mechanism (3) comprises an inner container (31), the front end and the rear end of the inner container (31) are respectively connected with the front side wall and the rear side wall of the inner surface of the outer shell (1) in a rotating mode, a plurality of groups of containing groove groups which are the same in number with the arc-shaped grooves (12) are formed in the inner surface of the inner container (31), each group of containing groove groups comprises a plurality of containing grooves (32) which are arrayed front and rear, a cleaning brush (35) is rotatably arranged on the inner surface of each containing groove (32), sliding covers (33) used for shielding the corresponding containing grooves (32) are slidably arranged on one side, close to the center of the inner container (31), of the inner surface of the inner container (31), hollowed-out nets (37) are fixedly arranged on the front side and the rear side of the inner surface of the inner container (31), the hollowed-out nets (37) are respectively connected with the hollowed-out frames (11) on the corresponding side in a rotating mode, and a protective cover (36) is further arranged at the front end of the hollowed-out nets (37) on the rear side;
the output switching mechanism (2) comprises a motor (21) fixedly installed at the front end of the hollowed-out frame (11) positioned at the rear side, the motor (21) is positioned in the protective cover (36), an output shaft (22) is arranged at the output end of the motor (21), an exhaust fan (23) positioned at the front side and a connecting frame (24) positioned at the rear side are sleeved on the outer surface of the output shaft (22), the connecting frame (24) consists of an annular sleeve (242) and a plurality of connecting rods II (243), one ends of the connecting rods II (243) far away from the annular sleeve (242) are fixedly connected with an annular plate (25) together, a control frame (26) is arranged at the front end of the annular plate (25), a driven frame (27) is arranged at the rear end of the annular plate (25), and a spring (28) is arranged at the rear end of the driven frame (27);
the exhaust fan (23) comprises a clamping sleeve (231) and a plurality of fan blades, the rear end of the clamping sleeve (231) is rotationally connected with an annular sleeve (242), the inner surface of the clamping sleeve (231) is not in contact with the outer surface of an output shaft (22), a plurality of annular array arc blocks I (232) are fixedly connected to the front part of the inner surface of the clamping sleeve (231), a plurality of annular array arc blocks II (233) are fixedly connected to the front part of the inner surface of the clamping sleeve (231), the arc blocks I (232) and the arc blocks II (233) are in front-back center symmetry, a plurality of arc blocks III (15) matched with the arc blocks I (232) are fixedly connected to the rear end of a hollowed-out frame (11) positioned on the front side, a plurality of annular array arc blocks IV (241) are fixedly connected to the inner surface of the annular sleeve (242), and a plurality of annular array arc blocks V (221) are fixedly connected to the outer surface of the output shaft (22);
a plurality of limiting grooves II which are matched with the connecting rods II (243) are formed in the outer surface of the inner container (31), and transmission assemblies (34) are arranged at positions, corresponding to the inner container (31), of the connecting rods II (243);
the transmission assembly (34) comprises a rack (341) penetrating through the connecting rod II (243) and a plurality of driven gears (342) corresponding to the accommodating grooves (32), the rack (341) is fixedly connected with the connecting rod II (243), the driven gears (342) are rotationally connected with the inner container (31), the rack (341) is meshed with the driven gears (342), the shafts of the driven gears (342) are communicated with the accommodating grooves (32), and a bevel gear set (343) is jointly arranged between the cleaning brush (35) and the driven gears (342).
2. The exhaust fan for facilitating cleaning of fan blades as claimed in claim 1, wherein: the control frame (26) comprises two first positioning rings (262) and a plurality of connecting rods three (263) used for fixing the two first positioning rings (262), the number and the positions of the connecting rods three (263) are corresponding to the arc-shaped grooves (12), the connecting rods three (263) penetrate through the corresponding arc-shaped grooves (12), the driven frame (27) consists of second positioning rings and a supporting frame, clamping grooves (251) matched with the first positioning rings (262) and the second positioning rings in outline are formed in the front end and the rear end of the annular plate (25), the cross sections of the first positioning rings (262) and the second positioning rings are circular, and the circle centers of the cross sections of the first positioning rings (262) and the second positioning rings located on the rear sides are located in the clamping grooves (251) on the corresponding sides.
3. The exhaust fan for facilitating cleaning of fan blades as claimed in claim 1, wherein: the unfolding surfaces of the arc-shaped block III (15) and the arc-shaped block I (232) are right trapezoid, and inclined edges of the arc-shaped block III (15) and the arc-shaped block I (232) are positioned at one end close to each other;
the unfolding surface of the arc-shaped block II (233) and the unfolding surface of the arc-shaped block IV (241) are right trapezoid, the unfolding surface of the arc-shaped block V (221) is parallelogram, the inclined edges of the arc-shaped block II (233) and the arc-shaped block IV (241) are located at one ends close to each other, and the inclined edges of the arc-shaped block III (15) and the arc-shaped block I (232) are inclined towards the same direction.
4. The exhaust fan for facilitating cleaning of fan blades as claimed in claim 1, wherein: and the front end and the rear end of the connecting rod II (243) are fixedly connected with a connecting rod IV (331), and the two connecting rods IV (331) are fixedly connected with a plurality of sliding covers (33) on the corresponding side.
5. The exhaust fan for facilitating cleaning of fan blades according to claim 2, wherein: limiting blocks (13) are fixedly installed at positions, corresponding to the arc grooves (12), of the front wall of the inner surface of the shell (1), arc rods (261) are fixedly connected to positions, corresponding to the limiting blocks (13), of the outer surface of the connecting rod III (263), and two jacks (14) distributed front and back are formed in one sides, close to the corresponding arc rods (261), of the outer surface of the limiting blocks (13).
6. The exhaust fan for facilitating cleaning of fan blades as claimed in claim 1, wherein: the outer surfaces of the connecting rods II (243) are fixedly connected with sealing plates (38) corresponding to the positions of the inner container (31), and the sealing plates (38) are in sliding connection with the inner container (31).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311683835.7A CN117386649B (en) | 2023-12-11 | 2023-12-11 | Exhaust fan convenient to clean flabellum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311683835.7A CN117386649B (en) | 2023-12-11 | 2023-12-11 | Exhaust fan convenient to clean flabellum |
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| Publication Number | Publication Date |
|---|---|
| CN117386649A CN117386649A (en) | 2024-01-12 |
| CN117386649B true CN117386649B (en) | 2024-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202311683835.7A Active CN117386649B (en) | 2023-12-11 | 2023-12-11 | Exhaust fan convenient to clean flabellum |
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| Country | Link |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012381A (en) * | 1999-06-29 | 2001-01-16 | Souki:Kk | Ventilating fan |
| CN203161570U (en) * | 2011-06-30 | 2013-08-28 | 日本电产株式会社 | Air supplying fan |
| CN219605597U (en) * | 2023-02-28 | 2023-08-29 | 济南普润水务有限公司 | Intelligent exhaust fan |
-
2023
- 2023-12-11 CN CN202311683835.7A patent/CN117386649B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001012381A (en) * | 1999-06-29 | 2001-01-16 | Souki:Kk | Ventilating fan |
| CN203161570U (en) * | 2011-06-30 | 2013-08-28 | 日本电产株式会社 | Air supplying fan |
| CN219605597U (en) * | 2023-02-28 | 2023-08-29 | 济南普润水务有限公司 | Intelligent exhaust fan |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117386649A (en) | 2024-01-12 |
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