CN108547779B - A kind of self-cleaning exhaust blower - Google Patents
A kind of self-cleaning exhaust blower Download PDFInfo
- Publication number
- CN108547779B CN108547779B CN201810283206.8A CN201810283206A CN108547779B CN 108547779 B CN108547779 B CN 108547779B CN 201810283206 A CN201810283206 A CN 201810283206A CN 108547779 B CN108547779 B CN 108547779B
- Authority
- CN
- China
- Prior art keywords
- air inlet
- module
- mesh enclosure
- inlet mesh
- telescopic rod
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 26
- 239000000428 dust Substances 0.000 claims abstract description 58
- 239000012528 membrane Substances 0.000 claims description 35
- 238000007599 discharging Methods 0.000 claims description 25
- 238000007790 scraping Methods 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 18
- 238000007688 edging Methods 0.000 claims description 4
- 238000010009 beating Methods 0.000 claims description 3
- 230000000903 blocking effect Effects 0.000 claims description 3
- 238000007664 blowing Methods 0.000 claims description 3
- 230000001680 brushing effect Effects 0.000 claims description 3
- 238000000034 method Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 12
- 230000003116 impacting effect Effects 0.000 abstract 2
- 241000883990 Flabellum Species 0.000 abstract 1
- 238000005086 pumping Methods 0.000 abstract 1
- 238000009423 ventilation Methods 0.000 abstract 1
- 230000008602 contraction Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229910003460 diamond Inorganic materials 0.000 description 3
- 239000010432 diamond Substances 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 239000012141 concentrate Substances 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001953 sensory effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
- Cleaning In General (AREA)
Abstract
The invention belongs to pumping, ventilation machine technical field, specifically a kind of self-cleaning exhaust blower, including shell, air outlet mesh, air inlet mesh enclosure, motor, flabellum, strike off module, impact module and ash discharge module；Module is struck off to be cooperatively connected in air inlet mesh enclosure side；Module is struck off for striking off air inlet mesh enclosure surface dirt；Impact module is located in the middle part of air inlet mesh enclosure；Impact module cooperation strike off module for clap remove air inlet mesh enclosure surface dirt；The first structure for impacting module includes bracket, the first telescopic rod, the first spring, briquetting and slip ring；Second of structure for impacting module includes the second telescopic rod, fixed ring, second spring and arc panel；Air inlet mesh enclosure lower end two sides are equipped with ash discharge module；The present invention strikes off module by impact module cooperation and claps except air inlet mesh enclosure surface dirt；Ash discharge module is arranged simultaneously will strike off module and impacts the dust discharge of module cleaning, improve the cleaning effect of exhaust blower.
Description
Technical Field
The invention belongs to the technical field of exhaust fans and exhaust fans, and particularly relates to a self-cleaning exhaust fan.
Background
The exhaust fan drives the fan blades to rotate by the motor to drive airflow, so that indoor air and outdoor air are exchanged. Also known as ventilators. The purpose of the exhaust air is to remove the dirty air from the room and to adjust the temperature, humidity and sensory effects. The exhaust fan is widely applied to families and public places. The exhaust fan is generally fixedly arranged at the top of the room, and the installation position is higher; a lot of dust is accumulated on the exhaust fan after long-term use, and the dust on the net cover of the exhaust fan is cleaned manually, so that on one hand, the cleaning is not clean and the cleaning efficiency is low, and on the other hand, the dust which is convenient to raise causes air pollution, and the health of workers is seriously influenced; meanwhile, dirt which is difficult to clean can be adhered to the exhaust fan mesh cover, and the cleaning is difficult.
Disclosure of Invention
In order to make up the defects of the prior art, the self-cleaning exhaust fan provided by the invention has the advantages that the impact module is matched with the scraping module to beat and remove dust on the surface of the air inlet mesh enclosure; set up simultaneously and arrange the dust module and will strike off the dust discharge of module and impact module clearance, solve the difficult problem of clearing up of exhaust fan screen panel dust, improve the clearance effect of exhaust fan, concentrate and collect the exhaust fan dust, prevent secondary pollution.
The technical scheme adopted by the invention for solving the technical problems is as follows: the invention relates to a self-cleaning exhaust fan, which comprises a shell, an air outlet mesh enclosure, an air inlet mesh enclosure, a motor and fan blades, wherein the shell is provided with a fan blade; the structure and the working principle of the exhaust fan are not innovative in the scheme and are not described in detail herein; the device also comprises a scraping module, an impact module and an ash discharging module; the scraping module is connected to one side of the air inlet mesh enclosure in a matching manner; the scraping module is used for scraping dust on the surface of the air inlet mesh enclosure; the impact module is arranged in the middle of the air inlet mesh enclosure; the impact module is matched with the scraping module and used for beating and removing dust on the surface of the air inlet mesh enclosure; and ash discharging modules are arranged on two sides of the lower end of the air inlet mesh enclosure.
The scraping module comprises a winding machine, an elastic film, a guide edge strip, a sliding block, a sliding groove and a rotating rod; the winding machine is fixedly arranged on one side of the upper end of the shell; the winding machine is used for winding and unwinding the elastic film; guide edge strips are arranged at two ends of the elastic film, and a sliding block is arranged at one end of each guide edge strip; sliding grooves matched with the sliding blocks are formed in the two sides of the air inlet mesh enclosure; the lower end of the sliding chute is provided with a clamping groove matched with the impact module for use; the clamping groove is used for horizontally clamping the sliding block; the cross section of the guide edge strip is arc-shaped; the guide edge strip can be wound on the rotating shaft of the winding machine and can push the sliding block to slide along the sliding groove; a rotating rod is rotatably arranged between the two sliding blocks; spiral bristles are arranged on the outer ring of the rotating rod; the bristles are used for brushing dust on the surface of the air inlet mesh enclosure and pushing the dust to the dust discharging module; the rolling machine rotates and promotes the dwang through the direction strake and remove on air inlet screen panel surface, and the dwang rotates and promotes air inlet screen panel surface dust to the row's ash module of air inlet screen panel bottom, and the difficult problem of clearing up of exhaust fan screen panel dust is solved to automatic clear away air inlet screen panel surface dust.
As an embodiment of the impact module of the present invention, the impact module includes a bracket, a first telescopic rod, a first spring, a pressing block, and a slip ring; the first telescopic rod is fixedly arranged on one side of the middle part of the air inlet mesh enclosure through a support; the end head of the push rod of the first telescopic rod is provided with a mounting hole; the pressing block is slidably arranged in the mounting hole through a first spring; one end of the pressing block is arranged to be hemispherical; a stepped hole is formed in the center of the air inlet mesh enclosure; a slip ring is arranged in the step hole; the inner ring of the slip ring is provided with a spherical sliding groove; the pressing block can slide into or out of the spherical sliding groove along the axial direction; the middle part of the elastic membrane is provided with a through hole; the through hole is used for avoiding the first telescopic rod push rod and blocking the sliding ring from passing through; the first telescopic rod is matched with the sliding ring to realize that the air inlet mesh enclosure is flapped by the elastic membrane; the air inlet mesh enclosure can be stained with dirt which is swept away, at the moment, a worker can control the first telescopic rod to extend out, the sliding ring pushes the elastic membrane of the scraping module outwards, the deformation force of the elastic membrane is gradually increased, when the first spring cannot support the pressing block, the pressing block is separated from the spherical sliding groove of the sliding ring, the elastic membrane rapidly rebounds, the air inlet mesh enclosure is flapped, and the dirt stained with the air inlet mesh enclosure is shaken off; the cleaning effect of the exhaust fan is improved.
As another embodiment of the impact module of the present invention, the impact module includes a second telescopic rod, a fixing ring, a second spring, and an arc plate; the second telescopic rod is fixedly arranged on one side of the air inlet mesh enclosure through a support; the axial section of the push rod of the second telescopic rod is a rhombus; the middle part of the elastic membrane is provided with a through hole; the fixing ring is fixedly arranged on the inner ring of the through hole; a group of second springs facing the circle center of the fixing ring are arranged on the inner ring of the fixing ring, and guide rods are arranged in the second springs; the arc-shaped plate is fixedly connected to the inner ring of the fixing ring through a second spring; a group of arc plates form a ring shape; the second telescopic rod is matched with the arc-shaped plate and used for realizing the flapping of the elastic membrane on the air inlet mesh enclosure; by arranging the push rod shaft into a diamond shape, when the push rod is pushed forwards, the elastic membrane is outwards expanded; meanwhile, the inner diameter of a circular ring formed by the arc-shaped plates is gradually increased, when the arc-shaped plates reach the position of the maximum diameter of the push rod, the thrust on the elastic membrane disappears, and under the contraction force of the elastic membrane, the elastic membrane is slapped on the surface of the air inlet mesh enclosure to shake off dirt attached to the elastic membrane; the cleaning effect of the exhaust fan is improved.
Preferably, the inner arc surface of the arc plate is provided with a chamfer corresponding to the conical surface of the second telescopic rod; a group of balls are rotatably arranged on the conical surface of the second telescopic rod, which corresponds to one side of the fixed end, and are used for reducing the friction force between the arc-shaped plate and the second telescopic rod when the elastic membrane rebounds, improving the slapping force and shaking off dirt adhered to the air inlet screen cover; the cleaning effect of the exhaust fan is improved.
Preferably, the ash discharging module comprises an ash discharging pipe, a fixed shaft, blades, a ferrule and an air inlet pipe; the ash discharge pipe is fixedly arranged below the air inlet mesh enclosure; a fixed shaft is arranged in the middle of the ash discharge pipe; the blades are rotatably arranged on the outer ring of the fixed shaft through a ferrule; the air inlet pipe is spirally and obliquely arranged on the outer ring of the ash discharge pipe downwards; the air inlet pipe is used for blowing the blades to rotate and discharging dust; the air inlet pipe blows air into the dust exhaust pipe intermittently, the blades are driven to rotate, dust above the dust exhaust pipe is pumped away, meanwhile, some large dirt is crushed, dust of the exhaust fan is collected in a centralized mode, and secondary pollution is prevented.
Preferably, the outer ring of the fixed shaft is provided with a spiral cam groove; one end of the ferrule is provided with a connecting rod; one end of the connecting rod is slidably arranged in the spiral cam groove; the blades rotate and are matched with the connecting rods, so that the ferrule can axially slide back and forth along the fixed shaft; the top of the ferrule is arranged to be conical, the ferrule slides up and down when rotating through the spiral cam groove and the connecting rod, and the inlet of the ash discharge pipe is dredged through the conical end, so that the ash discharge pipe is prevented from being blocked, the durability of the ash discharge module is improved, and the ash removal efficiency of the exhaust fan is improved.
The invention has the following beneficial effects:
1. the invention scrapes off the dust on the surface of the air inlet mesh enclosure by arranging the scraping module; the impact module is matched with the scraping module to beat and remove dust on the surface of the air inlet mesh enclosure; set up simultaneously and arrange the dust module and will strike off the dust discharge of module and impact module clearance, solve the difficult problem of clearing up of exhaust fan screen panel dust, improve the clearance effect of exhaust fan, concentrate and collect the exhaust fan dust, prevent secondary pollution.
2. According to the invention, the scraping module is arranged, the rolling machine rotates to push the rotating rod to move on the surface of the air inlet mesh enclosure through the guide edge strip, and the rotating rod rotates to push dust on the surface of the air inlet mesh enclosure to the dust discharging module at the bottom of the air inlet mesh enclosure, so that the dust on the surface of the air inlet mesh enclosure is automatically removed, and the problem that the dust on the mesh enclosure of the exhaust fan is difficult to clean is solved.
3. According to the invention, through arranging the impact module, a worker can control the first telescopic rod to extend out, the slip ring pushes the elastic membrane of the scraping module outwards, the deformation force of the elastic membrane is gradually increased, when the first spring cannot support the pressing block, the pressing block is separated from the spherical sliding groove of the slip ring, the elastic membrane rapidly rebounds, the air inlet mesh enclosure is flapped, and the attached dirt is shaken off; improve the cleaning effect of the exhaust fan
4. According to the invention, the dust discharging module is arranged, the air inlet pipe intermittently blows air into the dust discharging pipe to drive the blades to rotate, so that dust above the blades can be sucked away, some larger dirt can be crushed at the same time, dust of the exhaust fan can be collected in a centralized manner, and secondary pollution can be prevented.
5. According to the invention, the spiral cam groove is arranged on the outer ring of the fixed shaft and is matched with the connecting rod, so that the ferrule slides up and down when rotating, and the inlet of the ash discharge pipe is dredged through the conical end, the ash discharge pipe is prevented from being blocked, the durability of the ash discharge module is improved, and the ash removal efficiency of the exhaust fan is improved.
Drawings
The invention will be further explained with reference to the drawings.
FIG. 1 is a front view of the present invention;
FIG. 2 is a first block diagram of the impact module and a cross-sectional view A-A of FIG. 1;
FIG. 3 is a second block diagram of the impact module of the present invention;
FIG. 4 is a block diagram of an ash discharge module of the present invention;
in the figure: the device comprises a shell 1, an air inlet mesh enclosure 2, a motor 3, a scraping module 4, a winding machine 41, an elastic film 42, a guide edge strip 43, a sliding block 44, a sliding groove 45, a rotating rod 46, an impact module 5, a support 51, a first telescopic rod 52, a first spring, a pressing block 53, a sliding ring 54, a second telescopic rod 55, a fixing ring 56, an arc plate 57, a ball 571, an ash discharging module 6, an ash discharging pipe 61, a fixing shaft 62, a spiral cam groove 621, a connecting rod 622, a blade 63, a ferrule 64 and an air inlet pipe 65.
Detailed Description
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
As shown in fig. 1 to 4, the self-cleaning exhaust fan of the present invention comprises a housing 1, an air outlet mesh enclosure, an air inlet mesh enclosure 2, a motor 3 and fan blades; the structure and the working principle of the exhaust fan are not innovative in the scheme and are not described in detail herein; the device also comprises a scraping module 4, an impact module 5 and an ash discharging module 6; the scraping module 4 is connected to one side of the air inlet mesh enclosure 2 in a matching manner; the scraping module 4 is used for scraping dust on the surface of the air inlet mesh enclosure 2; the impact module 5 is arranged in the middle of the air inlet mesh enclosure 2; the impact module 5 is matched with the scraping module 4 and is used for beating off dust on the surface of the air inlet mesh enclosure 2; and ash discharging modules 6 are arranged on two sides of the lower end of the air inlet mesh enclosure 2.
The scraping module 4 comprises a winding machine 41, an elastic film 42, a guide edge strip 43, a sliding block 44, a sliding groove 45 and a rotating rod 46; the winding machine 41 is fixedly arranged on one side of the upper end of the shell 1; the winding machine 41 is used for winding and unwinding the elastic film 42; two ends of the elastic film 42 are provided with guide edgings 43, and one end of each guide edgings 43 is provided with a sliding block 44; the two sides of the air inlet mesh enclosure 2 are provided with sliding chutes 45 which are installed in a matching way with the sliding blocks 44; the lower end of the sliding chute 45 is provided with a clamping groove matched with the impact module 5 for use; the clamping groove is used for horizontally clamping the sliding block 44; the cross section of the guide edge strip 43 is arc-shaped; the guide edge strip 43 can be wound on the rotating shaft of the winding machine 41 and can push the sliding block 44 to slide along the sliding groove 45; a rotating rod 46 is rotatably arranged between the two sliding blocks 44; spiral bristles are arranged on the outer ring of the rotating rod 46; the bristles are used for brushing dust on the surface of the air inlet mesh enclosure 2 and pushing the dust to the dust discharging module 6; the rolling machine 41 rotates to push the rotating rod 46 to move on the surface of the air inlet mesh enclosure 2 through the guide edge strip 43, the rotating rod 46 rotates to push the dust on the surface of the air inlet mesh enclosure 2 to the dust discharging module 6 at the bottom of the air inlet mesh enclosure 2, the dust on the surface of the air inlet mesh enclosure 2 is automatically cleared, and the problem that the dust on the mesh enclosure of the exhaust fan is difficult to clear is solved.
As an embodiment of the impact module 5 of the present invention, the impact module 5 includes a bracket 51, a first telescopic rod 52, a first spring, a pressing block 53 and a sliding ring 54; the first telescopic rod 52 is fixedly arranged on one side of the middle part of the air inlet mesh enclosure 2 through a bracket 51; the end of the push rod of the first telescopic rod 52 is provided with a mounting hole; the pressing block 53 is slidably mounted in the mounting hole through a first spring; one end of the pressing block 53 is arranged to be hemispherical; a step hole is formed in the center of the air inlet mesh enclosure 2; a slip ring 54 is arranged in the stepped hole; the inner ring of the slip ring 54 is provided with a spherical sliding groove; the pressing block 53 can slide into or out of the spherical sliding groove along the axial direction; the middle part of the elastic membrane 42 is provided with a through hole; the through hole is used for avoiding the push rod of the first telescopic rod 52 and blocking the sliding ring 54 from passing through; the first telescopic rod 52 is matched with the sliding ring 54 to realize that the elastic film 42 flaps the air inlet mesh enclosure 2; the air inlet mesh enclosure 2 can be stained with some dirt swept away, at the moment, a worker can control the first telescopic rod 52 to extend out, the sliding ring 54 pushes the elastic membrane 42 of the scraping module 4 outwards, the deformation force of the elastic membrane 42 is gradually increased, when the first spring cannot support the pressing block 53, the pressing block 53 is separated from the spherical sliding groove of the sliding ring 54, the elastic membrane 42 rebounds rapidly, the air inlet mesh enclosure 2 is flapped, and the dirt stained with the air inlet mesh enclosure 2 is shaken off; the cleaning effect of the exhaust fan is improved.
As another embodiment of the impact module 5 of the present invention, the impact module 5 includes a second telescopic rod 55, a fixing ring 56, a second spring, and an arc plate 57; the second telescopic rod 55 is fixedly arranged on one side of the air inlet mesh enclosure 2 through a bracket 51; the axial section of the push rod of the second telescopic rod 55 is a rhombus; the middle part of the elastic membrane 42 is provided with a through hole; the fixing ring 56 is fixedly arranged on the inner ring of the through hole; a group of second springs facing the circle center of the fixing ring 56 are arranged on the inner ring of the fixing ring 56, and guide rods are arranged in the second springs; the arc-shaped plate 57 is fixedly connected to the inner ring of the fixed ring 56 through a second spring; the group of arc plates 57 form a circular ring; the second telescopic rod 55 is matched with the arc-shaped plate 57 to realize that the elastic film 42 flaps the air inlet mesh enclosure 2; by arranging the push rod shaft in a diamond shape, the elastic membrane 42 is outwardly stretched when the push rod is pushed forward; meanwhile, the inner diameter of the circular ring formed by the arc-shaped plates 57 is gradually increased, when the arc-shaped plates 57 reach the position of the maximum diameter of the push rod, the thrust on the elastic membrane 42 disappears, and under the contraction force of the elastic membrane 42, the elastic membrane 42 is slapped on the surface of the air inlet mesh enclosure 2 to shake off the attached dirt; the cleaning effect of the exhaust fan is improved.
As an embodiment of the present invention, the inner arc surface of the arc plate 57 is provided with a chamfer corresponding to the conical surface of the second telescopic rod 55; a group of balls 571 are rotatably mounted on the conical surface of the second telescopic rod 55 corresponding to one side of the fixed end, and are used for reducing the friction force between the arc-shaped plate 57 and the second telescopic rod 55 when the elastic membrane 42 rebounds, improving the slapping force and shaking off dirt attached to the air inlet screen cover 2; the cleaning effect of the exhaust fan is improved.
As an embodiment of the present invention, the ash discharging module 6 includes an ash discharging pipe 61, a fixed shaft 62, a blade 63, a collar 64, and an air inlet pipe 65; the ash discharge pipe 61 is fixedly arranged below the air inlet mesh enclosure 2; a fixed shaft 62 is arranged in the middle of the ash discharge pipe 61; the blades 63 are rotatably arranged on the outer ring of the fixed shaft 62 through a ferrule 64; the air inlet pipe 65 is spirally and obliquely arranged on the outer ring of the ash discharge pipe 61 downwards; the air inlet pipe 65 is used for blowing the blades 63 to rotate and discharging dust; the air inlet pipe 65 blows air into the dust exhaust pipe 61 intermittently to drive the blades 63 to rotate, so that dust above the dust exhaust pipe is extracted, some large dirt is crushed, dust of the exhaust fan is collected in a centralized mode, and secondary pollution is prevented.
As an embodiment of the present invention, the outer ring of the fixed shaft 62 is provided with a spiral cam groove 621; one end of the ferrule 64 is provided with a connecting rod 622; one end of the link 622 is slidably mounted in the spiral cam groove 621; the blades 63 rotate and are matched with the connecting rods to enable the ferrule 64 to axially slide back and forth along the fixed shaft 62; the top of the ferrule 64 is arranged to be conical, the ferrule 64 slides up and down when rotating through the spiral cam groove 621 and the connecting rod 622, and the inlet of the ash discharge pipe 61 is dredged through the conical end, so that the ash discharge pipe 61 is prevented from being blocked, the durability of the ash discharge module 6 is improved, and the ash removal efficiency of the exhaust fan is improved.
When the winding machine works, the winding machine 41 rotates to push the rotating rod 46 to move on the surface of the air inlet mesh enclosure 2 through the guide edge strip 43, and the rotating rod 46 rotates to push dust on the surface of the air inlet mesh enclosure 2 to the dust discharging module 6 at the bottom of the air inlet mesh enclosure 2; after the sliding block 44 enters the clamping groove at the bottom of the shell 1, dust on the surface of the air inlet mesh enclosure 2 is beaten and removed through the impact module 5; one embodiment of the impact module 5 is that the first telescopic rod 52 extends out, the sliding ring 54 pushes the elastic membrane 42 of the scraping module 4 outwards, the deformation force of the elastic membrane 42 is gradually increased, when the first spring cannot support the pressing block 53, the pressing block 53 is separated from the spherical sliding groove of the sliding ring 54, the elastic membrane 42 rebounds rapidly, and flaps the air inlet mesh enclosure 2; in another embodiment of the impact module 5, the push rod shaft is arranged in a diamond shape, and when the push rod is pushed forwards, the elastic membrane 42 is expanded outwards; meanwhile, the inner diameter of the circular ring formed by the arc plates 57 is gradually increased, when the arc plates 57 reach the maximum diameter of the push rod, the thrust on the elastic membrane 42 disappears, the elastic membrane 42 is slapped on the surface of the air inlet mesh enclosure 2 under the contraction force of the elastic membrane 42, dirt attached to the air inlet mesh enclosure 2 is shaken off, and the cleaning effect of the exhaust fan is improved.
The foregoing illustrates and describes the principles, general features, and 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, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A self-cleaning exhaust fan comprises a shell (1), an air outlet mesh enclosure, an air inlet mesh enclosure (2), a motor (3) and fan blades; the method is characterized in that: the device also comprises a scraping module (4), an impact module (5) and an ash discharging module (6); the scraping module (4) is connected to one side of the air inlet mesh enclosure (2) in a matched mode; the impact module (5) is arranged in the middle of the air inlet mesh enclosure (2); the impact module (5) is matched with the scraping module (4) and is used for beating and removing dust on the surface of the air inlet mesh enclosure (2); ash discharging modules (6) are arranged on two sides of the lower end of the air inlet mesh enclosure (2); wherein,
the scraping module (4) comprises a winding machine (41), an elastic film (42), a guide edge strip (43), a sliding block (44), a sliding groove (45) and a rotating rod (46); the winding machine (41) is fixedly arranged on one side of the upper end of the shell (1); the winding machine (41) is used for winding and unwinding an elastic film (42); guide edgings (43) are arranged at two ends of the elastic film (42), and a sliding block (44) is arranged at one end of each guide edgings (43); sliding grooves (45) matched with the sliding blocks (44) are formed in the two sides of the air inlet mesh enclosure (2); the lower end of the sliding chute (45) is provided with a clamping groove used in cooperation with the impact module (5); the clamping groove is used for horizontally clamping the sliding block (44); the cross section of the guide edge strip (43) is arc-shaped; the guide edge strip (43) can be wound on a rotating shaft of the winding machine (41) and can push the sliding block (44) to slide along the sliding groove (45); a rotating rod (46) is rotatably arranged between the two sliding blocks (44); spiral bristles are arranged on the outer ring of the rotating rod (46); the brush hair is used for brushing dust on the surface of the air inlet mesh enclosure (2) and pushing the dust to the dust discharging module (6).
2. A self-cleaning exhaust fan in accordance with claim 1, wherein: the impact module (5) comprises a bracket (51), a first telescopic rod (52), a first spring, a pressing block (53) and a sliding ring (54); the first telescopic rod (52) is fixedly arranged on one side of the middle part of the air inlet mesh enclosure (2) through a support (51); the end of the push rod of the first telescopic rod (52) is provided with a mounting hole; the pressing block (53) is slidably mounted in the mounting hole through a first spring; one end of the pressing block (53) is arranged to be hemispherical; a step hole is formed in the center of the air inlet mesh enclosure (2); a slip ring (54) is arranged in the stepped hole; the inner ring of the slip ring (54) is provided with a spherical sliding groove; the pressing block (53) can slide into or out of the spherical sliding groove along the axial direction; the middle part of the elastic membrane (42) is provided with a through hole; the through hole is used for avoiding the push rod of the first telescopic rod (52) and blocking the sliding ring (54) from passing through; the first telescopic rod (52) is matched with the sliding ring (54) to realize that the elastic film (42) beats the air inlet mesh enclosure (2).
3. A self-cleaning exhaust fan in accordance with claim 1, wherein: the impact module (5) comprises a second telescopic rod (55), a fixed ring (56), a second spring and an arc-shaped plate (57); the second telescopic rod (55) is fixedly arranged on one side of the air inlet mesh enclosure (2) through a support (51); the axial section of the push rod of the second telescopic rod (55) is a rhombus; the middle part of the elastic membrane (42) is provided with a through hole; the fixing ring (56) is fixedly arranged on the inner ring of the through hole; a group of second springs facing the circle center of the fixing ring (56) are arranged on the inner ring of the fixing ring (56), and guide rods are arranged in the second springs; the arc-shaped plate (57) is fixedly connected to the inner ring of the fixing ring (56) through a second spring; the arc plates (57) form a circular ring shape; the second telescopic rod (55) is matched with the arc-shaped plate (57) and used for realizing that the elastic film (42) beats the air inlet mesh enclosure (2).
4. A self-cleaning exhaust fan in accordance with claim 3, wherein: the inner arc surface of the arc-shaped plate (57) is provided with a chamfer corresponding to the conical surface of the second telescopic rod (55); a group of balls (571) are rotatably arranged on the conical surface of the second telescopic rod (55) corresponding to one side of the fixed end.
5. A self-cleaning exhaust fan in accordance with claim 1, wherein: the ash discharging module (6) comprises an ash discharging pipe (61), a fixed shaft (62), blades (63), a ferrule (64) and an air inlet pipe (65); the ash discharge pipe (61) is fixedly arranged below the air inlet mesh enclosure (2); a fixed shaft (62) is arranged in the middle of the ash discharge pipe (61); the blades (63) are rotatably arranged on the outer ring of the fixed shaft (62) through a ferrule (64); the air inlet pipe (65) is spirally and obliquely arranged on the outer ring of the ash discharge pipe (61) downwards; the air inlet pipe (65) is used for blowing the blades (63) to rotate and discharging dust.
6. A self-cleaning exhaust fan in accordance with claim 5, wherein: the outer ring of the fixed shaft (62) is provided with a spiral cam groove (621); one end of the ferrule (64) is provided with a connecting rod (622); one end of the connecting rod (622) is slidably arranged in the spiral cam groove (621); the blades (63) rotate and are matched with the connecting rods, so that the ferrule (64) can axially slide in a reciprocating manner along the fixed shaft (62); the top of the ferrule (64) is tapered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283206.8A CN108547779B (en) | 2018-04-02 | 2018-04-02 | A kind of self-cleaning exhaust blower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810283206.8A CN108547779B (en) | 2018-04-02 | 2018-04-02 | A kind of self-cleaning exhaust blower |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108547779A CN108547779A (en) | 2018-09-18 |
| CN108547779B true CN108547779B (en) | 2019-08-16 |
Family
ID=63513803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810283206.8A Active CN108547779B (en) | 2018-04-02 | 2018-04-02 | A kind of self-cleaning exhaust blower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108547779B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112021994B (en) * | 2020-09-14 | 2021-11-05 | 宁波久昌电器有限公司 | Dust cup for dust collector |
| CN116592002B (en) * | 2023-07-17 | 2023-10-03 | 四川省鼓风机制造有限责任公司 | Suction dust removing mechanism and method for blower |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3144983A (en) * | 1960-07-05 | 1964-08-18 | Svenska Flaektfabriken Ab | Self-cleaning blower vane structure |
| JPS63283712A (en) * | 1987-05-15 | 1988-11-21 | Yamasan:Kk | Rotary strainer for suction pipe |
| CN204267386U (en) * | 2014-11-02 | 2015-04-15 | 胡梦婷 | A kind of from ash removing type fan |
| CN105134624B (en) * | 2015-08-18 | 2017-09-26 | 蚌埠市拓坚机电有限公司 | A kind of two-way negative-pressure air fan used |
| CN105201924B (en) * | 2015-08-18 | 2017-08-18 | 蚌埠市拓坚机电有限公司 | A kind of self-cleaning negative pressure blower fan |
| CN205225889U (en) * | 2015-12-15 | 2016-05-11 | 重庆大顺电器有限公司 | Convenient cleaning device of fan |
-
2018
- 2018-04-02 CN CN201810283206.8A patent/CN108547779B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN108547779A (en) | 2018-09-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100385175C (en) | Air conditioner having indoor unit with automatic air filter-cleaning function | |
| CN202408751U (en) | Automatic cleaner de-dusting mechanism | |
| CN102620405B (en) | Air conditioner | |
| CN207704349U (en) | A kind of computer cabinet with automatic ash removing function | |
| CN108547779B (en) | A kind of self-cleaning exhaust blower | |
| CN115750414B (en) | Bottom plate dust removal fan with inhibit dust function of scattering | |
| CN108836179A (en) | It is a kind of to brush the household screen window decontamination apparatus that combination is absorbed with negative pressure based on suitable inverse circumference | |
| CN108591089A (en) | A kind of exhaust blower | |
| CN115037083A (en) | Improved structure of aviation motor shell | |
| CN110657540A (en) | Fresh air purification device | |
| CN115853833B (en) | Silencer for air inlet of fan | |
| CN101283888B (en) | Portable window screen cleaner | |
| CN108194429B (en) | A kind of automatically cleaning maintenance process of exhaust blower | |
| CN114768416B (en) | Building construction dust collecting equipment | |
| CN112246700B (en) | Computer CPU radiator equipment of decontaminating | |
| CN109746781A (en) | A kind of hardware plate automatic sander | |
| JP4830869B2 (en) | Outdoor hood | |
| CN214145961U (en) | Noise-reduction explosion-proof special fan | |
| CN221208963U (en) | Building rubbish wind selector | |
| CN110394348B (en) | High-efficient collection device of debris in computer host | |
| CN218220079U (en) | Self-cleaning dust collector | |
| CN219841636U (en) | Novel building ventilation device for building construction | |
| CN116045411B (en) | Workshop ventilation device | |
| CN220871046U (en) | Heat leading-out equipment | |
| CN221890582U (en) | Efficient green environmental protection dust collection device of (a) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20190724 Address after: 312030 Building 215, Additional Shop 1, Lizhu Town, Keqiao District, Shaoxing City, Zhejiang Province Applicant after: Shaoxing Yinyuan Intelligent Technology Co., Ltd. Address before: No. 31, Jiangzhuang Nanxiang, Nanguan Office, Suzhou City, Anhui Province Applicant before: Suzhou Xunchi Electronic Technology Co. Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |