CN113864250A - Can collect air-blower for ventilation of dust - Google Patents
Can collect air-blower for ventilation of dust Download PDFInfo
- Publication number
- CN113864250A CN113864250A CN202111104471.3A CN202111104471A CN113864250A CN 113864250 A CN113864250 A CN 113864250A CN 202111104471 A CN202111104471 A CN 202111104471A CN 113864250 A CN113864250 A CN 113864250A
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- China
- Prior art keywords
- blower
- rod
- fixedly connected
- air
- rotating
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- 239000000428 dust Substances 0.000 title claims abstract description 73
- 238000009423 ventilation Methods 0.000 title claims description 12
- 238000001914 filtration Methods 0.000 claims abstract description 33
- 230000008878 coupling Effects 0.000 claims description 29
- 238000010168 coupling process Methods 0.000 claims description 29
- 238000005859 coupling reaction Methods 0.000 claims description 29
- 238000004140 cleaning Methods 0.000 claims description 14
- 238000004804 winding Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 11
- 238000005096 rolling process Methods 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 3
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000010405 clearance mechanism Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
Images
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
- 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
- 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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- 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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/4206—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps
- F04D29/4213—Casings; Connections of working fluid for radial or helico-centrifugal pumps especially adapted for elastic fluid pumps suction ports
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/42—Casings; Connections of working fluid for radial or helico-centrifugal pumps
- F04D29/44—Fluid-guiding means, e.g. diffusers
- F04D29/441—Fluid-guiding means, e.g. diffusers especially adapted for elastic fluid pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Cleaning In General (AREA)
Abstract
The invention relates to a ventilating air blower capable of collecting dust, which comprises a base, an air blower, an air inlet cover, an air guide cylinder, a disc, a driving mechanism, a filtering mechanism, a fixing frame and a strip magnet, wherein the air blower is fixedly connected to the edge of one side of the base, the air guide cylinder is fixedly connected to the periphery of one side of the air blower and communicated with the periphery of the outer side of the air blower, and the disc is fixedly connected to one end of a shaft of the air blower. The air blower is started, the air blower drives the disc to rotate, the disc rotates to drive the driving mechanism to operate, the driving mechanism operates to drive the filtering mechanism to operate, when air enters the air inlet cover, the filtering mechanism filters dust in the air, the filtered air is blown out by the air blower, and the filtering mechanism is matched with the fixing frame to scrape the filtered dust for collection, so that the dust can be prevented from influencing the use of the air blower.
Description
Technical Field
The invention relates to a blower, in particular to a blower for ventilation capable of collecting dust.
Background
In daily life, need use the air-blower sometimes, the air-blower can blow out the air and use, at present, in the long-time use of air-blower, can mix a large amount of dusts in the air, the dust plugs up the inlet port of air-blower easily, influences the use of air-blower, and needs the manual dust of going to clear away, and the time is a long time, and is comparatively laborious.
Therefore, it is necessary to design and develop a blower for ventilation capable of collecting dust without affecting the operation of the blower, and without requiring a person to remove the dust, which is labor-saving and capable of collecting the dust.
Disclosure of Invention
Can mix a large amount of dust in order to overcome the air, the dust is easily stopped up the inlet port of air-blower, influences the use of air-blower, and needs the manual dust of going to clear away, and the time is long, the more difficult shortcoming, and the technical problem that solves is: the utility model provides a can clear away the collection to the dust, avoid influencing the air-blower and use, and need not the people and clear away the dust, the more laborsaving air-blower for ventilation that can collect the dust.
The technical scheme of the invention is as follows: the utility model provides a can collect air-blower for ventilation of dust, including base, air-blower, air inlet hood, air guide cylinder, disc, actuating mechanism, filter mechanism, mount and strip magnet, base one side edge position rigid coupling has the air-blower, and the air guide cylinder rigid coupling is in the outer one side circumference of air-blower and intercommunication, and the disc rigid coupling is in the axle one end of air-blower, and the mount rigid coupling is in the outer one side circumference of air guide cylinder, and the embedded rigid coupling of strip magnet is in one side in the mount that is close to the base, and the air inlet hood rigid coupling is in the outer one side circumference of air-blower and intercommunication, and filter mechanism installs between air guide cylinder and air inlet hood, and filter mechanism and mount cooperation, actuating mechanism install between disc and air guide cylinder and air inlet hood, and actuating mechanism still is connected the cooperation with filter mechanism.
Actuating mechanism is including the rack, the apparatus further comprises a rotating shaft, one-way coupling, the gear wheel, bevel gear, lug and first spring, the cross-under of rack slidingtype is in gas guide cylinder one side, first spring coupling is between one side in rack one side and the gas guide cylinder, the lug rigid coupling is in disc one side eccentric position, lug and rack cooperation, the connection of pivot rotary type is in keeping away from one side in the air inlet hood of air-blower, one-way coupling installs in the pivot one end towards the base, the gear wheel rigid coupling is in one end of one-way coupling, big gear and rack toothing, bevel gear's quantity is two, one of them bevel gear rigid coupling is in the pivot one end of keeping away from the base, another bevel gear rigid coupling is on filter mechanism, two bevel gear meshes mutually.
The filtering mechanism comprises a rotary drum, a first rotary rod, a grid plate, a second spring, a sliding plate, a clamping rod and a third spring, the rotary cylinder is rotatably connected to the periphery of one side outside the air guide cylinder, the first rotating rod is fixedly connected to the middle of one side outside the rotary cylinder, one end of the first rotating rod is rotatably connected to the middle of one side inside the air inlet cover, the first rotating rod is fixedly connected to the middle of one bevel gear, the clamping groove is spaced from the periphery of the outer side of the rotary cylinder, the grid plate is embedded in the periphery of the inner side of the rotary cylinder in a sliding mode, the second spring is connected between one side of the grid plate and the inner side of the rotary cylinder in a spaced mode, the sliding plate is spaced from the periphery of the outer side of the rotary cylinder in a sliding mode, the sliding plate corresponds to the grid plate, two ends of the inner side of the sliding plate are fixedly connected to the outer side of the grid plate in a spaced mode, the clamping rod is matched with the clamping groove, the clamping rod is further matched with the strip-shaped magnet, and the third spring is connected between the inner side of the clamping rod and the inner side of the sliding plate.
Preferably, the cleaning device also comprises a cleaning mechanism, the cleaning mechanism comprises a guide rod, an arc-shaped brush plate, a first wire guide wheel, an outer gear ring, a second rotating rod, a pinion, a reel, a fourth spring, a magnetic attraction rod, a fixed magnet, a first pull wire and a rotating gear, the fixed magnet is fixedly connected to an eccentric position on one side outside a rotating cylinder far away from the air blower, the magnetic attraction rod is arranged on the fixed magnet, one end of the magnetic attraction rod is in sliding fit with one side inside an air inlet cover, the outer gear ring is fixedly connected to one side of the magnetic attraction rod, the second rotating rod is rotatably connected to one side inside the air inlet cover far away from the air blower, the pinion is fixedly sleeved at one end of the second rotating rod, the rotating gear is rotatably connected to one side inside the air inlet cover near the second rotating rod, the rotating gear is meshed with the outer gear ring, the rotating gear is further meshed with the pinion, the first wire guide wheel is arranged on one side inside the air inlet cover near the second rotating rod, and the number of the first wire guide wheels is two, the rigid coupling of guide bar symmetry formula is in the outer one side of air guide cylinder, the suit of arc brush board slidingtype is between two guide bars, the quantity of arc brush board is two, arc brush board and grid plate contact cooperation, fourth spring coupling is in keeping away from between arc brush board one side and the guide bar one side circumference of air-blower, the fixed suit of reel is in second bull stick one side circumference, around there being two first acting as go-between on the reel, first acting as go-between tail end is around first wire wheel and arc brush board one side fixed connection.
Preferably, the dust cleaning device also comprises a dust cleaning mechanism, the dust cleaning mechanism comprises an arc-shaped brush frame, a screw rod, a transmission assembly, a volute spiral spring, a wire spool, a second pull wire, a second wire guide wheel and a movable magnet, the lead screw rotary type connect in one side in the inlet hood of keeping away from the base, arc brush frame passes through screw thread rotary type's suit on the lead screw, arc brush frame and the inboard contact cooperation of inlet hood, the connection of second wire wheel rotary type is in one side in the inlet hood, the quantity of second wire wheel is two, fixed suit in first pivot one side circumference of wire reel, around having the second acting as go-between on the wire reel, the second acting as go-between tail end passes two second wire wheel rigid couplings and has movable magnet, movable magnet and magnetic pole contact cooperation, spiral spring coupling is between wire reel one side and inlet hood one side, transmission assembly connects between the outer one side circumference of wire reel and lead screw one end.
Preferably, the roller brush mechanism further comprises a roller brush mechanism, the roller brush mechanism comprises brush rollers, guide gears, third rotating rods, fifth springs, tooth blocks, arc-shaped blocks and contact rods, the third rotating rods are connected to the periphery of the outer side of the rotating cylinder in a rotating mode at intervals, the number of the third rotating rods is twelve, every two third rotating rods are in one group, each group of third rotating rods is located on two sides of a corresponding grid plate, the brush rollers are sleeved on the third rotating rods in a sliding mode in the circumferential direction, the fifth springs are connected between one side in the brush rollers and one side of each third rotating rod, the guide gears are fixedly sleeved at two ends of each third rotating rod, the tooth blocks are symmetrically fixed to the inner side and the outer side of the grid plate at intervals, the tooth blocks are meshed with the guide gears, the arc-shaped blocks are symmetrically fixed to the inner side and the outer side of the grid plate at intervals, the contact rods are symmetrically fixed to two ends of the brush rollers, and the contact rods are matched with the arc-shaped blocks.
Preferably, the air inlet hood further comprises a collecting frame and a first handle, the collecting frame is embedded and slidably connected to one side of the air inlet hood in a penetrating mode, and the first handle is fixedly connected to the middle of the outer side of the collecting frame far away from the air blower.
Preferably, still include limiting plate, sixth spring and second handle, the embedded slidingtype of limiting plate is established inside the suction hood, and limiting plate and collection frame contact cooperation, sixth spring interval connection are kept away from between limiting plate one side of base and the suction hood is inside, and second handle rigid coupling is in the limiting plate one side of keeping away from the air-blower, and the second handle runs through suction hood one side.
The beneficial effects are that:
1. the air blower is started, the air blower drives the disc to rotate, the disc rotates to drive the driving mechanism to operate, the driving mechanism operates to drive the filtering mechanism to operate, and then when air enters the air inlet cover, the filtering mechanism filters dust in the air, the filtered air is blown out by the air blower, and the filtering mechanism and the fixing frame are matched to scrape the filtered dust down for collection, so that the dust can be prevented from influencing the air blower.
2. Under the effect of clearance mechanism, when the air-blower use, the dust on the grid plate is clear away to the dust that the arc brush board can be moved about constantly, so, can avoid remaining a large amount of dust on the grid plate to influence follow-up use.
3. Under the effect of deashing mechanism, can make the continuous left-right movement of arc brush frame clear away the downthehole dust of air inlet cover, so, can avoid the dust to block up the hole of air inlet cover and influence the air admission.
Drawings
Fig. 1 is a schematic perspective view of the present invention.
FIG. 2 is a first partial cross-sectional structural schematic of the present invention.
Fig. 3 is an enlarged schematic view of part a of the present invention.
FIG. 4 is a second partial cross-sectional structural schematic of the present invention.
Fig. 5 is an enlarged view of part B of the present invention.
Fig. 6 is a third partial sectional structural view of the present invention.
Fig. 7 is a fourth partial sectional structural view of the present invention.
Fig. 8 is an enlarged schematic view of part C of the present invention.
FIG. 9 is a schematic view of a fifth partial sectional structure of the present invention.
FIG. 10 is a sixth partial sectional structural view of the present invention.
Fig. 11 is a seventh partial sectional structural view of the present invention.
Fig. 12 is an enlarged view of the portion D of the present invention.
Fig. 13 is an enlarged schematic view of part E of the present invention.
FIG. 14 is a schematic view of a first partial body structure according to the present invention.
FIG. 15 is a schematic view of a second partial body structure according to the present invention.
Fig. 16 is a partial sectional structural view of an eighth embodiment of the present invention.
In the reference symbols: 1-base, 2-blower, 3-inlet hood, 4-gas cartridge, 5-disc, 6-drive, 61-rack, 62-shaft, 63-one-way coupling, 64-gearwheel, 65-bevel gear, 66-cam, 67-first spring, 7-filter, 71-rotary drum, 72-bayonet, 73-first rotating rod, 74-grid plate, 75-second spring, 76-slide plate, 77-bayonet, 78-third spring, 8-fixed frame, 81-bar magnet, 9-clearing mechanism, 91-guide rod, 92-arc brush plate, 93-first wire guide wheel, 94-outer gear ring, 95-second rotating rod, 96-pinion, 97-reel, 98-a fourth spring, 99-a magnetic attraction rod, 910-a fixed magnet, 911-a first pull wire, 912-a rotating gear, 10-an ash removal mechanism, 101-an arc-shaped brush frame, 102-a screw rod, 103-a transmission component, 104-a volute spring, 105-a wire winding disc, 106-a second pull wire, 107-a second wire guide wheel, 108-a movable magnet, 11-a rolling brush mechanism, 111-a brush roller, 112-a guide gear, 113-a third rotating rod, 114-a fifth spring, 115-a tooth block, 116-an arc-shaped block, 117-a contact rod, 12-a collection frame, 13-a first handle, 14-a limiting plate, 15-a sixth spring and 16-a second handle.
Detailed Description
Embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
Example (b): a blower for ventilation capable of collecting dust.
Referring to fig. 1, 2, 3, 4, 5, 7, 8, 11, 12, 13 and 14, the device comprises a base 1, a blower 2, an air inlet hood 3, an air guide tube 4, a disc 5, a driving mechanism 6, a filtering mechanism 7, a fixing frame 8 and a bar magnet 81, wherein the blower 2 is installed on the left side of the top of the base 1, the air inlet hood 3 is fixedly connected to the outer right side of the blower 2 along the circumferential direction, holes are uniformly spaced on the top of the air inlet hood 3, the air guide tube 4 is fixedly connected to the right side of the blower 2 along the circumferential direction, the air guide tube 4 is located in the air inlet hood 3, the fixing frame 8 is fixedly connected to the outer left side of the air guide tube 4 along the circumferential direction, the filtering mechanism 7 is arranged between the air guide tube 4 and the air inlet hood 3, the filtering mechanism 7 is matched with the fixing frame 8, the disc 5 is fixedly connected to the right end of the shaft of the blower 2, the driving mechanism 6 is arranged between the disc 5 and the left portion of the air guide tube 4 and the air inlet hood 3, the driving mechanism 6 is also connected and matched with the filtering mechanism 7, a strip magnet 81 is fixedly connected to the middle of the bottom in the fixing frame 8 in an embedded manner, and the strip magnet 81 is matched with the filtering mechanism 7.
The driving mechanism 6 comprises a rack 61, a rotating shaft 62, a one-way coupling 63, a large gear 64, a bevel gear 65, a bump 66 and a first spring 67, the rack 61 is slidably connected in the middle of the lower part of the left side of the gas guide cylinder 4 in a penetrating manner, the first spring 67 is connected between the left side of the top of the rack 61 and the lower part of the inner side of the gas guide cylinder 4, the bump 66 is fixedly connected at the eccentric position of the right side of the disc 5, the bump 66 is matched with the rack 61, the rotating shaft 62 is rotatably connected at the front side of the lower part of the right side in the gas inlet hood 3, the one-way coupling 63 is installed at the bottom end of the rotating shaft 62, the large gear 64 is fixedly connected on the one-way coupling 63, the large gear 64 is meshed with the rack 61, the bevel gear 65 is fixedly connected at the top end of the rotating shaft 62 and the filtering mechanism 7, and the two bevel gears 65 are meshed.
The filtering mechanism 7 comprises a rotary drum 71, a first rotary rod 73, a grid plate 74, second springs 75, a sliding plate 76, clamping rods 77 and third springs 78, wherein the rotary drum 71 is sleeved on the outer left side of the gas guide cylinder 4 in a circumferential and rotary mode, the first rotary rod 73 is fixedly connected to the middle part of the outer right side of the rotary drum 71, the right end of the first rotary rod 73 is rotatably connected with the center position of the inner right side of the gas inlet cover 3 in a circular mode, the middle part of the first rotary rod 73 is fixedly connected with the middle part of an upper bevel gear 65 in the circumferential direction, six grid plates 74 are arranged in the rotary drum 71 in a sliding mode at uniform intervals in the circumferential direction, four second springs 75 are connected between one side of each grid plate 74 and the inner part of the rotary drum 71 at uniform intervals, six sliding plates 76 penetrate through the outer side of the rotary drum 71 in the circumferential direction at uniform intervals, two ends of the inner side of each sliding plate 76 are fixedly connected with the outer side of each grid plate 74, seven clamping rods 77 penetrate through the outer side of each sliding plate 76 at uniform intervals, the clamping rod 77 is matched with the fixed frame 8, the clamping rod 77 is also matched with the strip magnet 81, a third spring 78 is wound between one side in the clamping rod 77 and the inside of the sliding plate 76, six rows of clamping grooves 72 are uniformly formed in the outer side of the rotating cylinder 71 in the circumferential direction, and seven clamping grooves 72 are correspondingly matched with seven clamping rods 77 on each side.
Firstly, an operator places the device at a position to be used, starts the blower 2, the blower 2 blows out air for use, the blower 2 continuously operates, the disk 5 is further driven by the blower 2 to rotate, the disk 5 rotates to drive the driving mechanism 6 to operate, the driving mechanism 6 operates to drive the filtering mechanism 7 to operate, then when air is sucked in through the air inlet hood 3, the air is contacted with the filtering mechanism 7, the filtering mechanism 7 operates to filter dust in the air, the air after dust filtration is sucked in the air guide tube 4, the air in the air guide tube 4 is sucked in the blower 2, the blower 2 blows out the air, the dust in the sucked air can be continuously filtered by the repeated operation, when the blower 2 exhausts the air, and when the filtering mechanism 7 operates to contact with the fixed frame 8, the filtering mechanism 7 scrapes the filtered dust down to the inner bottom of the air inlet hood 3, when the filter mechanism 7 is matched with the bar magnet 81, the filter mechanism 7 is reset to continue to filter dust. When the air blower 2 is not needed, the air blower 2 can be closed, the disc 5 stops driving the driving mechanism 6 to operate, the driving mechanism 6 stops driving the filtering mechanism 7 to operate, and an operator can take out dust in the air inlet hood 3 for treatment.
When the blower 2 is started, the disc 5 rotates to drive the lug 66 to rotate, due to the action of the first spring 67, the lug 66 continuously drives the rack 61 to move left and right, when the rack 61 moves right, the rack 61 drives the large gear 64 to rotate forward, the large gear 64 rotates forward to drive the rotating shaft 62 to rotate forward through the one-way coupling 63, the rotating shaft 62 rotates forward to drive the lower bevel gear 65 to rotate forward, the lower bevel gear 65 rotates forward to drive the upper bevel gear 65 to rotate forward, the upper bevel gear 65 rotates forward to drive the filtering mechanism 7 to operate, when the rack 61 moves left to reset, the rack 61 drives the large gear 64 to rotate backward, due to the action of the one-way coupling 63, the large gear 64 rotates backward to not drive the rotating shaft 62 to rotate backward, and the operation is repeated, so that the filtering mechanism 7 intermittently operates, and the filtering mechanism 7 intermittently filters dust in the air. When the blower 2 is not needed, the blower 2 can be turned off, the disc 5 stops driving the projection 66 to rotate, the projection 66 also stops driving the rack 61 to move left and right, and the bevel gear 65 stops driving the filtering mechanism 7 to operate.
Initially, the third spring 78 is in a stretching state, when the blower 2 is started, the upper bevel gear 65 rotates forward to drive the first rotating rod 73 to rotate forward, the first rotating rod 73 rotates forward to drive the rotating cylinder 71 to rotate forward, the rotating cylinder 71 rotates forward to drive the grid plate 74 to rotate forward through the second spring 75, the rotating cylinder 71 further drives the sliding plate 76 to rotate forward, the sliding plate 76 rotates forward to drive the clamping rod 77 to rotate forward, when the upper bevel gear 65 stops driving the first rotating rod 73 to rotate forward, the rotating cylinder 71 stops rotating forward, the grid plate 74 stops rotating forward, and the steps are repeated, so that the grid plate 74 rotates intermittently and continuously, meanwhile, when air is sucked into the air inlet cover 3, the air contacts with the grid plate 74, the grid plate 74 filters dust in the air, the air after air filtration is sucked into the air guide cylinder 4, when the clamping rod 77 rotates forward to contact with the fixed frame 8, the fixed frame 8 limits the clamping rod 77, and the clamping rod 77 stops rotating forward, the clamping rod 77 stops the grid plate 74 from rotating forwards through the sliding plate 76, the rotating cylinder 71 rotates forwards continuously to enable the second spring 75 to be compressed, the rotating cylinder 71 rotates forwards continuously to scrape off dust filtered from the grid plate 74, the scraped dust falls to the bottom in the air inlet cover 3, then the rotating cylinder 71 rotates forwards to enable the clamping groove 72 to correspond to the clamping rod 77, the clamping rod 77 moves inwards to be inserted into the clamping groove 72 under the action of the third spring 78, the clamping rod 77 is matched with the clamping groove 72 to fix the sliding plate 76, the grid plate 74 is fixed, the clamping rod 77 moves inwards to be separated from the fixed frame 8, the rotating cylinder 71 drives the grid plate 74 to rotate forwards through the second spring 75 continuously, when the clamping rod 77 rotates forwards to the lower part to correspond to the strip magnet 81, the strip magnet 81 attracts the clamping rod 77 to move outwards, the third spring 78 is stretched, the clamping rod 77 moves outwards to be separated from the clamping groove 72, and under the action of the third spring 78, the grid plate 74 moves to reset, the sliding plate 76 drives the clamping rod 77 to move to reset, the rotating cylinder 71 limits the clamping rod 77, and the steps are repeated, so that dust in the air can be continuously filtered out, and the dust is scraped to the bottom in the air inlet cover 3. When the blower 2 is not used, the blower 2 is turned off, the upper bevel gear 65 stops driving the first rotating rod 73 to rotate forward, and the rotating cylinder 71 stops driving the grid plate 74 to rotate forward through the second spring 75.
Referring to fig. 2, 4, 6, 7, 8, 9, 10, 11, 13, 15 and 16, the cleaning device 9 further comprises a cleaning mechanism 9, the cleaning mechanism 9 comprises a guide rod 91, an arc-shaped brush plate 92, a first wire guide wheel 93, an outer gear ring 94, a second rotating rod 95, a pinion 96, a reel 97, a fourth spring 98, a magnetic suction rod 99, a fixed magnet 910, a first pull wire 911 and a rotating gear 912, the eccentric position of the outer right side surface of the rotating cylinder 71 is fixedly connected with the fixed magnet 910, the magnetic suction rod 99 is attracted to the right side surface of the fixed magnet 910, the right end of the magnetic suction rod 99 is in sliding fit with the inner right side surface of the air inlet hood 3, the outer gear ring 94 is fixedly connected to the right part of the right side surface of the air guide cylinder 4, the guide rods 91 are symmetrically fixedly connected to the front and back of the lower part of the outer left side of the air guide cylinder 4, the two arc-shaped brush plates 92 are slidably sleeved between the guide rods 91, the two arc-shaped brush plates 92 are matched with the left and right side grating plates 74, fourth springs 98 are wound between the front side and the rear side of the right side face of the arc-shaped hairbrush plate 92 and the guide rod 91 in the circumferential direction, first wire guide wheels 93 are mounted on the front side and the rear side of the lower portion of the right side face in the air inlet cover 3, a second rotating rod 95 is rotatably connected to the middle of the lower portion of the right side face in the air inlet cover 3, a pinion 96 is fixedly connected to the left end of the second rotating rod 95, a rotating gear 912 is rotatably connected to the rear side of the lower portion of the right side face in the air inlet cover 3, the rotating gear 912 is meshed with the pinion 96, the rotating gear 912 is further meshed with the outer gear ring 94, a winding wheel 97 is fixedly connected to the middle of the second rotating rod 95 in the circumferential direction, two first pull wires 911 are wound on the winding wheel 97, the tail ends of the two first wire guide wheels 93 around the front side and the rear side respectively and penetrate through the front side and the rear side of the two arc-shaped hairbrush plates 92, and the first pull wires 911 are fixedly connected with the arc-shaped hairbrush plates 92.
The dust cleaning device also comprises a dust cleaning mechanism 10, wherein the dust cleaning mechanism 10 comprises an arc-shaped brush frame 101, a screw rod 102, a transmission assembly 103, a scroll spring 104, a wire winding disc 105, a second pull wire 106, a second wire guide wheel 107 and a movable magnet 108, the screw rod 102 is rotatably connected between the left side and the right side of the inner top of the air inlet cover 3, the arc-shaped brush frame 101 is rotatably sleeved on the screw rod 102 through threads, the arc-shaped brush frame 101 is in contact fit with a hole on the air inlet cover 3, the rear side of the lower part of the inner right side surface of the air inlet cover 3 is rotatably connected with the two second wire guide wheels 107, the wire winding disc 105 is fixedly sleeved on the right side of the first rotating rod 73 in the circumferential direction, the scroll spring 104 is connected between the outer right side surface of the wire winding disc 105 and the inner right side surface of the air inlet cover 3, the second pull wire 106 is wound on the wire winding wheel 97, the tail end of the second pull wire 106 passes through the two second wire guide wheels 107 and is fixedly connected with the movable magnet 108, and the movable magnet 108 is in contact fit with the magnetic attraction rod 99, a transmission assembly 103 is connected between the outer left side circumference of the wire spool 105 and the right end of the screw rod 102, the transmission assembly 103 is composed of two belt pulleys and a flat belt, one belt pulley is fixedly sleeved at the right end of the screw rod 102, the other belt pulley is fixedly sleeved at the outer left side circumference of the wire spool 105, and the flat belt is wound between the two belt pulleys.
The automatic transmission device also comprises a rolling brush mechanism 11, wherein the rolling brush mechanism 11 comprises a brush roller 111, a guide gear 112, third rotating rods 113, fifth springs 114, tooth blocks 115, arc-shaped blocks 116 and contact rods 117, twelve third rotating rods 113 are rotatably connected to the circumferential inner part of the outer side of the rotating cylinder 71 at uniform intervals, every two third rotating rods 113 are positioned at two sides of the corresponding grid plate 74, the brush roller 111 is sleeved on the third rotating rods 113 in a sliding mode in the circumferential direction, the brush roller 111 is in contact fit with the grid plate 74, the fifth springs 114 are connected between the inner side of the brush roller 111 and one side of the third rotating rods 113 at uniform intervals, the contact rods 117 are fixedly connected to the left end and the right end of the brush roller 111 in a symmetrical mode, the guide gear 112 is fixedly sleeved on the circumferential direction of the left side and the right side of the third rotating rods 113, the tooth blocks 115 are fixedly connected to the inner side and the outer side of the grid plate 74 at the left and right symmetrical intervals, the tooth blocks 115 are meshed with the guide gear 112, the arc-shaped blocks 116 are fixedly connected to the inner side of the grid plate 74 and the outer side, the arcuate blocks 116 engage contact bars 117.
When the rotary cylinder 71 rotates forwards, the rotary cylinder 71 also drives the fixed magnet 910 to rotate forwards, the fixed magnet 910 rotates forwards to drive the magnetic attraction rod 99 to rotate forwards, the magnetic attraction rod 99 rotates forwards to drive the outer gear ring 94 to rotate forwards, the outer gear ring 94 rotates forwards to drive the rotary gear 912 to rotate backwards, the rotary gear 912 rotates backwards to drive the pinion 96 to rotate forwards, the pinion 96 rotates forwards to drive the second rotary rod 95 to rotate forwards, the second rotary rod 95 rotates forwards to drive the reel 97 to rotate forwards, the reel 97 rotates forwards to wind the first pull wire 911, the first pull wire 911 is wound through the first wire guide wheel 93 to drive the arc-shaped hairbrush plate 92 to move rightwards, the fourth spring 98 is compressed, the arc-shaped hairbrush plate 92 moves rightwards to clear dust on the grid plate 74, when the magnetic attraction rod 99 rotates forwards continuously to contact with the rotary shaft 62, the magnetic attraction rod 99 stops rotating forwards, the fixed magnet 910 continues to be out of contact with the magnetic attraction rod 99, and under the action of the fourth spring 98, the arc-shaped hairbrush plate 92 moves leftwards to reset to drive the first pull wire 911 to move leftwards to reset, the first pull wire 911 moves leftwards to reset and drives the reel 97 to rotate reversely through the first guide wheel 93, the reel 97 rotates reversely and drives the pinion 96 to rotate reversely through the second rotating rod 95, the pinion 96 rotates reversely and drives the rotating gear 912 to rotate positively, the rotating gear 912 rotates positively and drives the outer gear ring 94 to rotate reversely and reset, the outer gear ring 94 rotates reversely and resets and drives the magnetic attraction rod 99 to rotate reversely and reset, and further when the fixed magnet 910 continues to rotate positively, the fixed magnet 910 is contacted with the magnetic attraction rod 99 again, the magnetic attraction rod 99 is also continuously driven to rotate positively, and the operation is repeated, so that the residual dust on the grid plate 74 can be removed by the continuous left-right movement of the arc-shaped hairbrush plate 92. When the rotary cylinder 71 stops rotating forward, the fixed magnet 910 stops driving the magnetic attraction rod 99 to rotate forward, and the arc-shaped brush plate 92 stops moving left and right. In this way, a large amount of dust remaining on the grid plate 74 can be prevented from affecting subsequent use.
When the magnetic attraction rod 99 rotates forwards, the magnetic attraction rod 99 also drives the movable magnet 108 to rotate forwards, the movable magnet 108 rotates forwards to drive the second pull wire 106 to move, the second pull wire 106 moves to drive the wire winding disc 105 to rotate forwards through the second wire guide wheel 107, the scroll spring 104 is compressed, the wire winding disc 105 rotates forwards to drive the transmission component 103 to rotate forwards, the transmission component 103 rotates forwards to drive the screw rod 102 to rotate forwards, the screw rod 102 rotates forwards to drive the arc-shaped brush frame 101 to move rightwards, the arc-shaped brush frame 101 moves rightwards to remove dust remained in the hole of the air inlet hood 3, the removed dust falls to the inner bottom of the air inlet hood 3 through the arc-shaped brush frame 101, when the second pull wire 106 is completely pulled out, the magnetic attraction rod 99 continues to rotate forwards to be separated from the movable magnet 108, the second pull wire 106 is wound by the reverse rotation of the wire winding disc 105 under the action of the scroll spring 104, the movable magnet 108 is driven to move and reset by the second pull wire 106, and then the magnetic attraction rod 99 is reset, the magnetic attraction rod 99 is attracted with the movable magnet 108 again, and the repeated action can enable the arc-shaped brush frame 101 to continuously move left and right to remove the dust in the hole of the air inlet cover 3. When the magnetic attraction rod 99 stops rotating forwards, the magnetic attraction rod 99 stops driving the movable magnet 108 to rotate forwards, and the arc-shaped brush frame 101 stops moving leftwards and rightwards. Therefore, the air inlet cover can prevent dust from blocking the holes of the air inlet cover 3 to influence air inlet.
When the rotating cylinder 71 rotates forwards, the rotating cylinder 71 further drives the third rotating rod 113 to rotate forwards, the third rotating rod 113 rotates forwards to drive the brush roller 111 to rotate forwards and the guide gear 112 to rotate forwards, and further when the clamping rod 77 is in contact with the fixed frame 8 and limited, the grid plate 74 stops rotating forwards, the guide gear 112 continues rotating forwards and rotates through the tooth block 115, the guide gear 112 rotates to drive the third rotating rod 113 to rotate, the third rotating rod 113 rotates to drive the brush roller 111 to rotate, the brush roller 111 rotates to further remove dust on the grid plate 74, the brush roller 111 further drives the contact rod 117 to rotate forwards, the contact rod 117 slides on the arc block 116, due to the action of the fifth spring 114, the arc block 116 enables the contact rod 117 to continuously move backwards and forwards, the contact rod 117 moves backwards and forwards to drive the brush roller 111 to move backwards and forwards, the brush roller 111 moves backwards and forwards to better remove dust on the grid plate 74, and further, when the clamping rod 77 is inserted into the clamping groove 72, the grid plate 74 is driven to rotate forward continuously, the brush roller 111 also rotates forward continuously, and similarly, when the grid plate 74 moves to reset, the brush rotates again to remove dust on the grid plate 74. In this way, the dust on the grid plate 74 can be removed more cleanly.
Referring to fig. 2 and 3, the air intake hood further comprises a collecting frame 12 and a first handle 13, the collecting frame 12 is arranged at the lower part of the right side of the air intake hood 3 in an embedded sliding manner, and the first handle 13 is fixedly connected to the middle part of the outer right side surface of the collecting frame 12.
Still include limiting plate 14, sixth spring 15 and second handle 16, the embedded slidingtype of the inside downside in suction hood 3 right side is equipped with limiting plate 14, limiting plate 14 and the cooperation of collecting frame 12 outer right flank contact, evenly spaced is connected with four sixth springs 15 between limiting plate 14 top and the suction hood 3 inside, limiting plate 14 right flank upper portion rigid coupling has second handle 16, second handle 16 runs through suction hood 3, second handle 16 and suction hood 3 sliding fit.
When dust is removed and falls, the dust falls into the collection frame 12, when the air blower 2 is not needed, the first handle 13 can be pulled to move rightwards, the first handle 13 moves rightwards to drive the collection frame 12 to move rightwards, when the collection frame 12 moves rightwards and is separated from the air inlet hood 3, the dust in the collection frame 12 can be poured into the garbage can, and after all the dust is poured out, the collection frame 12 is placed back into the air inlet hood 3. Therefore, the dust collecting and processing device is convenient for operators to collect and process dust.
When the collecting frame 12 needs to be taken out of the air inlet hood 3, the second handle 16 is pulled to move upwards, the second handle 16 moves upwards to drive the limiting plate 14 to move upwards, the sixth spring 15 is compressed, when the limiting plate 14 moves upwards to be separated from the collecting frame 12, the second handle 16 stops being pulled, the first handle 13 can be pulled to drive the collecting frame 12 to move rightwards to be separated from the air inlet hood 3, the dust can be poured out, after the dust is poured out completely, the collecting frame 12 is placed back into the air inlet hood 3, the second handle 16 is loosened, and due to the effect of the sixth spring 15, the limiting plate 14 moves downwards to reset to limit the collecting frame 12. Therefore, the phenomenon that the collecting frame 12 moves can be prevented from affecting subsequent use.
The above description is only an example of the present invention and is not intended to limit the present invention. All equivalents which come within the spirit of the invention are therefore intended to be embraced therein. Details not described herein are well within the skill of those in the art.
Claims (8)
1. A ventilation blower capable of collecting dust is characterized by comprising a base (1), a blower (2), an air inlet cover (3), an air guide cylinder (4), a disc (5), a driving mechanism (6), a filtering mechanism (7), a fixed frame (8) and a strip-shaped magnet (81), wherein the blower (2) is fixedly connected to the edge position of one side of the base (1), the air guide cylinder (4) is fixedly connected to the circumferential direction of one outer side of the blower (2) and communicated with the circumferential direction of the other outer side of the blower (2), the disc (5) is fixedly connected to one end of a shaft of the blower (2), the fixed frame (8) is fixedly connected to the circumferential direction of one outer side of the air guide cylinder (4), the strip-shaped magnet (81) is fixedly connected to one inner side of the fixed frame (8) close to the base (1) in an embedded mode, the air inlet cover (3) is fixedly connected to the circumferential direction of one outer side of the blower (2) and communicated with the outer side of the blower, the filtering mechanism (7) is installed between the air guide cylinder (4) and the air inlet cover (3), the filtering mechanism (7) is matched with the fixed frame (8), the driving mechanism (6) is arranged between the disc (5) and the air guide cylinder (4) and the air inlet cover (3), and the driving mechanism (6) is also connected and matched with the filtering mechanism (7).
2. The blower for ventilation with dust collection of claim 1, wherein the driving mechanism (6) comprises a rack (61), a rotating shaft (62), a one-way coupling (63), a gearwheel (64), a bevel gear (65), a projection (66) and a first spring (67), the rack (61) is slidably connected to one side of the air guide tube (4), the first spring (67) is connected between one side of the rack (61) and one side of the inside of the air guide tube (4), the projection (66) is fixedly connected to an eccentric position on one side of the disc (5), the projection (66) is matched with the rack (61), the rotating shaft (62) is rotatably connected to one side of the air inlet hood (3) far away from the blower (2), the one-way coupling (63) is installed at one end of the rotating shaft (62) facing the base (1), the gearwheel (64) is fixedly connected to one end of the one-way coupling (63), and the gearwheel (64) is engaged with the rack (61), the number of the bevel gears (65) is two, one bevel gear (65) is fixedly connected to one end of the rotating shaft (62) far away from the base (1), the other bevel gear (65) is fixedly connected to the filtering mechanism (7), and the two bevel gears (65) are meshed with each other.
3. The ventilating blower capable of collecting dust according to claim 2, wherein the filtering mechanism (7) comprises a rotary cylinder (71), a first rotary rod (73), a grid plate (74), a second spring (75), a sliding plate (76), a clamping rod (77) and a third spring (78), the rotary cylinder (71) is rotatably connected to the periphery of the outer side of the air guide cylinder (4), the first rotary rod (73) is fixedly connected to the middle of the outer side of the rotary cylinder (71), one end of the first rotary rod (73) is rotatably connected to the middle of the inner side of the air inlet cover (3), the first rotary rod (73) is fixedly connected to the middle of one of the bevel gears (65), the clamping groove (72) is spaced from the periphery of the outer side of the rotary cylinder (71), the grid plate (74) is embedded and slidably arranged in the periphery of the rotary cylinder (71), the second spring (75) is spaced between the grid plate (74) and the interior of the rotary cylinder (71), the sliding plates (76) are arranged on the outer side of the rotating cylinder (71) in a sliding mode at intervals, the sliding plates (76) correspond to the grid plate (74), two ends of the inner side of each sliding plate (76) are fixedly connected with the outer side of the grid plate (74), the clamping rods (77) are connected to one side of each sliding plate (76) in a sliding mode at intervals, the clamping rods (77) are matched with the clamping grooves (72), the clamping rods (77) are also matched with the strip magnets (81), and the third springs (78) are connected between the inner side of each clamping rod (77) and the inner portion of each sliding plate (76).
4. The dust-collecting blower for ventilation according to claim 3, further comprising a cleaning mechanism (9), wherein the cleaning mechanism (9) comprises a guide rod (91), an arc-shaped brush plate (92), a first wire guide wheel (93), an outer gear ring (94), a second rotating rod (95), a pinion (96), a reel (97), a fourth spring (98), a magnetic attraction rod (99), a fixed magnet (910), a first pull wire (911) and a rotating gear (912), the fixed magnet (910) is fixedly connected to an eccentric position on an outer side of the rotating cylinder (71) far away from the blower (2), the magnetic attraction rod (99) is arranged on the fixed magnet (910), one end of the magnetic attraction rod (99) is slidably fitted to an inner side of the air inlet cover (3), the outer gear ring (94) is fixedly connected to the magnetic attraction rod (99), the second rotating rod (95) is rotatably connected to an inner side of the air inlet cover (3) far away from the blower (2), the small gear (96) is fixedly sleeved at one end of the second rotating rod (95), the rotating gear (912) is rotatably connected to one side of the air inlet cover (3) close to the second rotating rod (95), the rotating gear (912) is meshed with the outer gear ring (94), the rotating gear (912) is further meshed with the small gear (96), the first wire guide wheel (93) is installed at one side of the air inlet cover (3) close to the second rotating rod (95), the number of the first wire guide wheels (93) is two, the guide rods (91) are symmetrically and fixedly connected to one side of the outer side of the air guide cylinder (4), the arc-shaped hairbrush plate (92) is slidably sleeved between the two guide rods (91), the number of the arc-shaped hairbrush plates (92) is two, the arc-shaped hairbrush plates (92) are in contact fit with the grid plate (74), the fourth spring (98) is connected between one side of the arc-shaped hairbrush plate (92) far away from the air blower (2) and one side of the guide rods (91) in the circumferential direction, the winding wheel (97) is fixedly sleeved on one side of the second rotating rod (95) in the circumferential direction, two first pull wires (911) are wound on the winding wheel (97), and the tail end of each first pull wire (911) is fixedly connected with one side of the arc-shaped hairbrush plate (92) in a winding mode through the first wire guide wheel (93).
5. The ventilating blower capable of collecting dust according to claim 4, further comprising a dust removing mechanism (10), wherein the dust removing mechanism (10) comprises an arc-shaped brush frame (101), a screw rod (102), a transmission assembly (103), a volute spring (104), a wire spool (105), a second pull wire (106), a second wire guide wheel (107) and a movable magnet (108), the screw rod (102) is rotatably connected to one side of the air inlet cover (3) far away from the base (1), the arc-shaped brush frame (101) is rotatably sleeved on the screw rod (102) through threads, the arc-shaped brush frame (101) is in contact fit with the inner side of the air inlet cover (3), the second wire guide wheel (107) is rotatably connected to one side of the air inlet cover (3), the number of the second wire guide wheels (107) is two, the wire spool (105) is fixedly sleeved on one side of the first rotating rod (73) in the circumferential direction, the wire reel (105) is wound with a second pull wire (106), the tail end of the second pull wire (106) penetrates through two second wire guide wheels (107) to be fixedly connected with a movable magnet (108), the movable magnet (108) is in contact fit with the magnetic suction rod (99), the volute spiral spring (104) is connected between one side of the wire reel (105) and one side of the air inlet cover (3), and the transmission assembly (103) is connected between the circumferential direction of the outer side of the wire reel (105) and one end of the screw rod (102).
6. The blower for ventilation that can collect dust according to claim 5, further comprising a rolling brush mechanism (11), wherein the rolling brush mechanism (11) comprises a brush roller (111), a guide gear (112), a third rotating rod (113), a fifth spring (114), a tooth block (115), an arc block (116) and a contact rod (117), the third rotating rod (113) is connected to the outer circumference of the rotating cylinder (71) in a rotating manner at intervals, the number of the third rotating rod (113) is twelve, every two third rotating rods (113) are in one group, each group of the third rotating rods (113) is located at two sides of the corresponding grid plate (74), the brush roller (111) is slidably sleeved on the circumference of the third rotating rod (113), the fifth spring (114) is connected between the inner side of the brush roller (111) and the side of the third rotating rod (113), the guide gear (112) is fixedly sleeved at two ends of the third rotating rod (113), the tooth blocks (115) are symmetrically and fixedly connected with the inner side and the outer side of the grid plate (74) at intervals, the tooth blocks (115) are meshed with the guide gear (112), the arc blocks (116) are symmetrically and fixedly connected with the inner side and the outer side of the grid plate (74) at intervals, the contact rods (117) are symmetrically and fixedly connected with two ends of the brush roller (111), and the contact rods (117) are matched with the arc blocks (116).
7. The dust collecting blower of claim 6, further comprising a collecting frame (12) and a first handle (13), wherein the collecting frame (12) is slidably inserted into one side of the air intake hood (3), and the first handle (13) is fixed to a middle portion of an outer side of the collecting frame (12) away from the blower (2).
8. The dust-collecting blower for ventilation of claim 7, further comprising a limiting plate (14), a sixth spring (15) and a second handle (16), wherein the limiting plate (14) is slidably embedded inside the air intake hood (3), the limiting plate (14) is in contact fit with the collecting frame (12), the sixth spring (15) is connected between one side of the limiting plate (14) far away from the base (1) and the inside of the air intake hood (3) at intervals, the second handle (16) is fixedly connected to one side of the limiting plate (14) far away from the blower (2), and the second handle (16) penetrates one side of the air intake hood (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104471.3A CN113864250A (en) | 2021-09-22 | 2021-09-22 | Can collect air-blower for ventilation of dust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111104471.3A CN113864250A (en) | 2021-09-22 | 2021-09-22 | Can collect air-blower for ventilation of dust |
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| Publication Number | Publication Date |
|---|---|
| CN113864250A true CN113864250A (en) | 2021-12-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111104471.3A Pending CN113864250A (en) | 2021-09-22 | 2021-09-22 | Can collect air-blower for ventilation of dust |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526214A (en) * | 2022-01-25 | 2022-05-24 | 谢秋婷 | Self-cleaning type efficient dust filtering device of direct connection air compressor under high-dust environment |
| CN114526219A (en) * | 2022-01-18 | 2022-05-24 | 李智慧 | Air inlet filtering device of direct-connection air compressor |
| CN115055004A (en) * | 2022-06-29 | 2022-09-16 | 深圳市科雷特能源科技股份有限公司 | Novel safe efficient energy storage converter |
| CN115978682A (en) * | 2023-02-15 | 2023-04-18 | 沧州青尚环保科技有限公司 | Air heat exchange device of double-layer curtain body |
-
2021
- 2021-09-22 CN CN202111104471.3A patent/CN113864250A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114526219A (en) * | 2022-01-18 | 2022-05-24 | 李智慧 | Air inlet filtering device of direct-connection air compressor |
| CN114526214A (en) * | 2022-01-25 | 2022-05-24 | 谢秋婷 | Self-cleaning type efficient dust filtering device of direct connection air compressor under high-dust environment |
| CN115055004A (en) * | 2022-06-29 | 2022-09-16 | 深圳市科雷特能源科技股份有限公司 | Novel safe efficient energy storage converter |
| CN115055004B (en) * | 2022-06-29 | 2023-08-29 | 深圳市科雷特能源科技股份有限公司 | Safe and efficient energy storage converter |
| CN115978682A (en) * | 2023-02-15 | 2023-04-18 | 沧州青尚环保科技有限公司 | Air heat exchange device of double-layer curtain body |
| CN115978682B (en) * | 2023-02-15 | 2023-09-22 | 沧州青尚环保科技有限公司 | Air heat exchange device of double-layer curtain body |
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Application publication date: 20211231 |