WO2022057641A1 - 地面清洁设备 - Google Patents
地面清洁设备 Download PDFInfo
- Publication number
- WO2022057641A1 WO2022057641A1 PCT/CN2021/116429 CN2021116429W WO2022057641A1 WO 2022057641 A1 WO2022057641 A1 WO 2022057641A1 CN 2021116429 W CN2021116429 W CN 2021116429W WO 2022057641 A1 WO2022057641 A1 WO 2022057641A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- filter element
- air inlet
- fan
- floor cleaning
- dust
- Prior art date
Links
- 238000004140 cleaning Methods 0.000 title claims abstract description 42
- 239000010813 municipal solid waste Substances 0.000 claims abstract description 29
- 239000000428 dust Substances 0.000 claims description 55
- 238000005096 rolling process Methods 0.000 claims description 18
- 230000002093 peripheral effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 8
- 238000007789 sealing Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 238000000034 method Methods 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000007306 turnover Effects 0.000 description 1
Images
Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
- E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
-
- 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
- F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
- F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/10—Filters; Dust separators; Dust removal; Automatic exchange of filters
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/22—Mountings for motor fan assemblies
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/24—Particle separators, e.g. dust precipitators, using rigid hollow filter bodies
-
- 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
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2201/00—Robotic cleaning machines, i.e. with automatic control of the travelling movement or the cleaning operation
Definitions
- the present application relates to the field of construction technology, for example, to a floor cleaning device.
- the cleaning robot generally uses the roller brush to send the garbage in the area it passes into the garbage bin at the rear, but the roller brush will generate dust during the cleaning process, and the dust will also enter the garbage bin through the roller brush channel. Due to the relatively small particles, these dusts are easy to float in the dustbin and overflow through the gap between the dustbin and the cleaning equipment, causing secondary pollution.
- the cleaning equipment previously developed by the applicant is provided with a filter element assembly that communicates with the trash can, and the floating dust is absorbed by the filter element assembly to reduce secondary pollution.
- the previous cleaning equipment is based on the consideration of lowering the overall center of gravity of the equipment, and its filter element components are placed horizontally on the vehicle body. This cleaning equipment is more suitable for outdoor environments with relatively small dust and large moving space, but for cleaning just completed the main construction.
- the indoor floor of the building is not suitable.
- the movable space in the building is very small and the dust is very large.
- the present application provides a floor cleaning device capable of reducing the horizontal occupied area of the device.
- An embodiment provides a floor cleaning device, comprising:
- the roller brush device is installed under the middle of the frame
- a garbage can installed under the rear of the frame, the garbage can communicated with the rolling brush device;
- the filter element device is installed above the rear of the vehicle frame, the filter element device includes a filter element mechanism and a fan mechanism, the filter element mechanism includes a housing and at least two filter elements, and the at least two filter elements are perpendicular to the advancing direction of the vehicle frame.
- the filter element device includes a filter element mechanism and a fan mechanism, the filter element mechanism includes a housing and at least two filter elements, and the at least two filter elements are perpendicular to the advancing direction of the vehicle frame.
- Vertically arranged side by side, at least two filter elements are arranged in the casing, the upper end of the casing is airtightly connected to the periphery of the fan mechanism, and an air outlet channel communicated with the fan mechanism is formed inside each filter element.
- An air inlet channel is formed between the outer wall of each filter element and the casing, the lower end of each filter element is closed, the lower end of the casing is provided with an opening, and an air inlet is formed between the edge of the opening and the filter element, The air inlet communicates with the rolling brush device and the side brush device.
- Embodiment 1 is a schematic structural diagram of the ground cleaning equipment according to Embodiment 1 from a front-end perspective;
- FIG. 2 is a schematic structural diagram of the floor cleaning equipment according to Embodiment 1 from a rear end perspective;
- FIG. 3 is a schematic structural diagram of the filter element device according to the first embodiment
- FIG. 4 is a full cross-sectional view of the filter element device according to the first embodiment
- FIG. 5 is a cross-sectional view of the floor cleaning device according to Embodiment 1;
- Fig. 6 is the partial enlarged view of A position shown in Fig. 4;
- FIG. 7 is a schematic structural diagram of the filter element device according to the second embodiment.
- Fig. 8 is the exploded schematic diagram of the filter element device described in the second embodiment
- FIG. 9 is a side view of the filter element device according to the second embodiment.
- Fig. 10 is a sectional view in the direction B-B shown in Fig. 9;
- Fig. 11 is a partial enlarged view of position B shown in Fig. 10;
- FIG. 12 is a schematic structural diagram of the floor cleaning device according to the second embodiment.
- Air inlet hood 31. The first air inlet hole;
- Filter element device 200, Filter element mechanism; 201, Housing; 2011, Open mouth; 2012, Air inlet; 202, Base plate; 203, Filter element; 204, Air inlet cavity; 205, Air inlet channel; 206, Installation cylinder; 207, the second air inlet; 208, the air outlet;
- connection should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
- connection may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
- a first feature "on” or “under” a second feature may include the first and second features in direct contact, or may include the first and second features Not directly but through additional features between them.
- the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
- the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
- the present embodiment provides a floor cleaning device, as shown in FIG. 1 to FIG. 6 , including a frame 400 , a side brush device 500 , a roller brush device 600 , a garbage bin 700 and a filter element device 2 , and the side brush device 500 is installed on the frame.
- the rolling brush device 600 is installed under the middle part of the frame 400
- the garbage box 700 is installed under the rear part of the vehicle frame 400
- the garbage tank 700 communicates with the rolling brush device 600
- the filter element device 2 is installed on the vehicle frame 1
- the filter element device 2 includes a filter element mechanism 200 and a fan mechanism 100.
- the filter element mechanism 200 includes a housing 201 and at least two filter elements 203.
- the at least two filter elements 203 are vertically arranged side by side along the advancing direction perpendicular to the frame 400.
- the filter element 203 is arranged in the casing 201 , the upper end of the casing 201 is tightly connected with the periphery of the fan mechanism 100 , an air outlet channel 208 is formed inside the filter element 203 , which communicates with the fan mechanism 100 , and an air inlet is formed between the filter element 203 and the casing 201 .
- the channel 205 (the gap in the diameter direction between the filter element 203 and the housing 201 forms the air inlet channel 205), the lower end of the filter element 203 is closed, the lower end of the housing 201 is provided with an opening 2011, and the edge of the opening 2011 and the filter element 203 are provided An air inlet 2012 is formed, and the air inlet 2012 communicates with the rolling brush device 3 and the side brush device 2 .
- the filter element device 2 cooperates with the side brush device 500 and the roller brush device 600 to drive the garbage and dust on the ground into the garbage bin 700 to realize automatic cleaning of the ground;
- the filter element mechanism 200 includes at least two filter elements 203 arranged vertically side by side, both The horizontal occupied area of the filter element mechanism 200 can be reduced to arrange more filter elements 203, thereby helping to reduce the horizontal occupied area of the overall equipment and improve the passing performance of the equipment, and can also improve the dust-absorbing ability per horizontal area;
- the filter elements 203 are extended and arranged perpendicular to the forward direction of the frame 400, which helps to reduce the front and rear distance of the frame 400, thereby reducing the turning radius of the frame 400 and improving the ability of the equipment to operate in a narrow space;
- the filter element 203 is set in a barrel-shaped structure, and is designed to enter the air from the opening 2011 at the lower end of the housing 201 , and the dust-laden air enters the air inlet channel 205 between the peripheral wall of the filter element 203 and the
- rear wheels are provided on both sides below the rear of the frame 400 , two rear wheels are located on both sides of the garbage can 700 , front wheels are provided below the front of the frame 400 , and the side brush device 500 includes two Turn the brushes with the front wheel between the two turning brushes.
- the front wheels and the rear wheels form a triangular layout structure, which can reliably support the frame 400, and the rear wheels are located on the left and right sides of the garbage bin 700, which can effectively prevent the equipment from overturning left and right.
- the floor cleaning apparatus further includes a tipping device 800 , the tipping device 800 is installed above the middle of the frame 400 , and the tipping device 800 can drive the garbage bin 700 to turn over.
- the garbage can 700 can automatically dump garbage.
- the dumping device 800 includes a dumping driving mechanism 801 and two sets of dumping links 802.
- the dumping driving mechanism 801 is drive-connected with the garbage bin 700 through the dumping links 802.
- the dumping driving mechanism 801 is installed above the middle of the frame 400, and the two The group dumping links 802 respectively pass over the outer periphery of the filter element device 2 from both sides perpendicular to the advancing direction of the vehicle frame 400 .
- Making the dumping link 802 straddle the outer side of the side wall of the filter element device 2 can make full use of the spare space on both sides of the filter element device 2 , which helps to make the overall layout of the equipment more compact and miniaturized, thereby improving the passing performance of the equipment.
- the filter element mechanism 200 further includes a dust vibration mechanism 300, which is installed inside the filter element 203 and can drive the filter element 203 to vibrate.
- a dust vibration mechanism 300 is provided.
- the dust vibrating mechanism 300 drives the filter element 203 to vibrate, so that the dust on the outer surface of the filter element 203 can fall off, thereby cleaning the filter element 203 to ensure the ventilation efficiency of the filter element 203 .
- the vertically arranged filter element 203 can reduce the probability that the dust will adhere to the outer surface of the filter element 203 again after falling off, which helps to improve the vibration dust removal effect of the filter element 203.
- the dust vibrating mechanism 300 includes a dust vibrating blade assembly 302 and a motor 301, the dust vibrating blade assembly 302 abuts on the inner surface of the peripheral wall of the filter element 203, and the motor 301 can drive the dust vibrating blade assembly 302 to rotate.
- the filter element 203 is squeezed by the dust vibrating blade assembly 302 , which can effectively realize the vibration of the filter element 203 , thereby causing the dust on the outer surface of the filter element 203 to fall off.
- the output shaft of the motor 301 is vertically arranged and coaxial with the axis of the filter element 203 .
- This design enables the dust vibrating vane assembly 302 to keep in contact with the inner surface of the filter element 203 at all times during the rotation process, and the pressing force is the same, thereby preventing the dust vibrating vane assembly 302 from causing damage to the filter element 203 locally.
- the rolling brush device 600 includes a rolling brush cavity 601, a central rolling brush 602 and a baffle 603.
- the upper end of the rolling brush cavity 601 communicates with the filter element device 2, and the lower end of the rolling brush cavity 601 is provided with a surface facing the ground.
- the center roller brush 602 is installed in the roller brush port, the circumference of the center roller brush 602 is in contact with the ground, and can raise the dust on the ground, the baffle 603 is installed in the roller brush port, and horizontally surrounds the center roller brush 602 around.
- the baffle 603 By setting the baffle 603, on the one hand, the negative pressure at the center roller brush 602 can be increased, and on the other hand, the dust raised by the center roller brush 602 can be enclosed in the periphery of the center roller brush 602, so that the filter element device 2 can be more efficient suck up dust.
- the axis of the central roller brush 602 is horizontal
- the baffle 603 is a rubber baffle
- the baffle 603 is in contact with the ground.
- the lower end of the casing 201 is provided with a sealing strip, and the casing 201 is sealedly connected to the vehicle frame 400 through the sealing strip.
- the sealing strip By arranging the sealing strip, the housing 201 and the frame 400 can be reliably sealed, thereby ensuring that a reliable negative pressure can be formed in the housing 201 and the frame 400 .
- the number of housings 201 is one, and two filter elements 203 are installed in the housing 201 .
- the fan mechanism 100 includes two centrifugal fans 20 and a fan mounting plate 24.
- the fan mounting plate 24 is sealedly connected to the upper end of the housing 201, and the upper end of the filter element 203 is sealed to the fan mounting plate 24.
- the fan mounting plate 24 corresponds to the filter element 203.
- An air outlet is provided at the position, and the centrifugal fan 20 is installed on the fan mounting plate 24 and covers the air outlet.
- the upper end of the trash can 700 is provided with a box opening, and the box opening is located below the filter element mechanism 200 and faces the filter element mechanism 200 .
- the size of the box opening is larger than the size of the opening of the casing 201 , and the projection of the opening on the horizontal plane is within the projection of the box opening on the horizontal plane.
- the fan mechanism 100 further includes a fan support 10 and an air inlet hood assembly, the centrifugal fan 20 is located in the fan support 10 , and the axial upper part of the centrifugal fan 20 is mounted on the fan support 10 .
- the air inlet hood assembly includes an air inlet hood 30 and an air guide duct 40 , the fan bracket 10 is installed above the air inlet hood 30 , the air inlet hood 30 is installed on the fan mounting plate 24 , and between the air inlet hood 30 and the fan mounting plate 24 An air inlet cavity 204 is formed, the interior of the filter element 203 is communicated with the air inlet cavity 204, the air inlet cover 30 is provided with a first air inlet hole, and the air guide tube 40 extends into the air inlet cavity 204 and communicates with the first air inlet hole, The axial lower part of the centrifugal fan 20 extends into the air guide tube 40, and an axial gap 50 communicating with the outside is formed between the air guide tube 40 and the outer peripheral wall of the
- the inside of the filter element 203 communicates with the outside through the axial gap 50 .
- the fan mechanism 100 is installed on one side of the filter element mechanism 200.
- the centrifugal fan An emergency air duct is formed between 20 and the air guide tube 40.
- the centrifugal fan 20 sucks air from the outside through the axial gap 50, so as to avoid continuous suction of air from the air inlet chamber 204 to cause the negative pressure of the air inlet chamber 204 to be too large and burn out the centrifugal fan 20, thereby realizing the overload protection of the centrifugal fan 20. Therefore, the service life of the centrifugal fan 20 can be effectively prolonged.
- the outer peripheral wall of the centrifugal fan 20 is stepped in the axial direction.
- the centrifugal fan 20 includes a large end portion 21 located above and a small end portion 22 located below, and there is a step between the large end portion 21 and the small end portion 22.
- a radial gap 60 is formed between the surface 23 , the stepped surface 23 and the upper surface of the air guide tube 40 or the upper surface of the air inlet hood 30 , and the radial gap 60 communicates with the axial gap 50 .
- the radial gap 60 and the axial gap 50 form a bent emergency air duct.
- the emergency air duct has a certain flow resistance, thereby more reliably ensuring that the fan mechanism 100 can be Negative pressure is formed in the inner cavity of the filter element mechanism 200 , thereby realizing the dust suction effect of the filter element mechanism 200 .
- the air guide duct 40 is stepped, and includes a flange portion 42 and an air guide portion 43.
- the flange portion 42 of the air guide duct 40 abuts on the upper surface or the lower surface of the air inlet hood 30, and the air guide duct 40 passes through.
- the flange portion 42 is fixedly connected to the air inlet hood 30 , and the air guide portion 43 extends into the air inlet cavity 204 below the air inlet hood 30 .
- the upper surface of the flange portion 42 is the upper surface of the air guide duct 40
- the stepped surface 23 of the centrifugal fan 20 is connected to the air guide duct 40 .
- a radial gap 60 is formed between the upper surfaces of the centrifugal fans 20 .
- the separately formed air guide tube 40 and the air inlet cover 30 can simplify the structure of the part, which is beneficial to simplify the forming mold of the part and reduce the difficulty of manufacturing.
- the structure may also be as follows: the air guide tube 40 and the air inlet cover 30 are integrally formed.
- a radial gap 60 is formed between the stepped surface 23 of the centrifugal fan 20 and the upper surface of the integrally formed air inlet hood assembly.
- the integrally formed air guide tube 40 and the air inlet cover 30 can simplify the assembly process and improve the assembly efficiency.
- this embodiment provides a fan mechanism 100 , which includes a fan support 10 , a centrifugal fan 20 and an air inlet hood assembly.
- the centrifugal fan 20 is located in the fan support 10 , and the centrifugal fan 20
- the upper part of the axial direction is installed on the fan bracket 10;
- the air inlet hood assembly includes an air inlet hood 30 and an air guide duct 40, the fan bracket 10 is installed above the air inlet hood 30, and the air inlet hood 30 is provided with a first air inlet hole 31.
- the air guide tube 40 is communicated with the first air inlet hole 31 and extends below the air inlet cover 30.
- the axial lower part of the centrifugal fan 20 extends into the air guide tube 40.
- the air guide tube 40 is connected to the outer periphery of the centrifugal fan 20.
- An axial gap 50 communicating with the outside is formed between the walls.
- the fan mechanism 100 is installed on one side of the filter element mechanism 200, by arranging the air guide duct 40 on the air inlet side of the centrifugal fan 20, and setting the axial gap 50 between the centrifugal fan 20 and the air guide duct 40, An emergency air duct can be formed between the centrifugal fan 20 and the air guide duct 40.
- the first air inlet hole 31 can communicate with the outside air through the emergency air duct, so as to avoid the position of the first air inlet hole 31. If the negative pressure is too large, the centrifugal fan 20 will be burnt out, so as to realize the effect of overload protection, thereby effectively prolonging the service life of the centrifugal fan 20 .
- the outer peripheral wall of the centrifugal fan 20 is stepped in the axial direction.
- the centrifugal fan 20 includes a large end 21 located above and a small end 22 located below.
- the large end 21 There is a stepped surface 23 between the small end 22 and the stepped surface 23 and the upper surface of the air inlet hood 30 or the upper surface of the air guide tube 40 to form a radial gap 60 communicating with the outside, and the radial gap 60 is connected to the axial direction.
- the gap 50 communicates.
- the radial gap 60 and the axial gap 50 form a bent emergency air duct.
- the emergency air duct has a certain flow resistance, thereby more reliably ensuring the fan.
- the mechanism 100 can form a negative pressure in the inner cavity of the filter element mechanism 200 , thereby realizing the dust collecting effect of the filter element mechanism 200 .
- an air passage hole 41 is provided in the center of the air guide tube 40 , the air passage hole 41 is a stepped hole, and the large hole end 411 of the air passage hole 41 is sleeved on the small end of the centrifugal fan 20 . 22, and the depth of the large hole end 411 is greater than the height of the small end 22, the diameter of the large hole end 411 is greater than the outer diameter of the small end 22, and the diameter of the small hole end 412 of the air hole 41 is smaller than that of the small end 22 the outer diameter.
- the stepped air hole 41 forms a structure similar to a bell mouth, which makes it easier for the gas to enter the air hole 41 from the outside than the gas to be discharged from the air hole 41, which is beneficial to the reliable realization of the overload protection of the centrifugal mechanism. .
- the side of the large hole end 411 away from the small hole end 412 is provided with a first chamfer 413; or, the side of the small hole end 412 close to the large hole end 411 is provided with a second chamfer; or, the large hole end is provided with a second chamfer 413
- the side of the 411 away from the small hole end 412 is provided with a first chamfer 413
- the side of the small hole end 412 close to the large hole end 411 is provided with a second chamfer.
- the air guide tube 40 is stepped and includes a flange portion 42 and an air guide portion 43 .
- the flange portion 42 of the air guide tube 40 abuts on the upper surface of the air inlet hood 30 or On the lower surface, the air guide duct 40 is fixedly connected to the air inlet hood 30 through the flange portion 42 , and the air guide portion 43 extends below the air inlet hood 30 .
- the upper surface of the flange portion 42 of the air guide duct 40 is the upper surface of the air guide duct 40 , and the stepped surface 23 of the centrifugal fan 20 is connected to the air guide duct.
- a radial gap 60 is formed between the upper surfaces of 40; when the flange portion 42 of the air guide tube 40 abuts the lower surface of the air inlet hood 30, the stepped surface 23 of the centrifugal fan 20 and the upper surface of the air inlet hood 30 A radial gap 60 is formed therebetween.
- the separately formed air guide tube 40 and the air inlet cover 30 can simplify the structure of the part, which is beneficial to simplify the forming mold of the part and reduce the difficulty of manufacturing.
- the structure may also be as follows: the air guide tube 40 and the air inlet cover 30 are integrally formed. In this case, a radial gap 60 is formed between the stepped surface 23 of the centrifugal fan 20 and the upper surface of the air inlet hood 30 .
- the integrally formed air guide tube 40 and the air inlet hood 30 can simplify the assembly process and improve the assembly efficiency.
- a filter element device including a filter element mechanism 200 and the above-mentioned fan mechanism 100 .
- the fan mechanism 100 is installed on the axial top of the filter element mechanism 200 and communicates with the filter element mechanism 200 . .
- the filter element mechanism 200 By arranging the filter element mechanism 200 on the air inlet side of the fan mechanism 100 , the gas can be effectively filtered to prevent impurities such as dust from reaching the fan mechanism 100 , thereby effectively prolonging the service life of the fan mechanism 100 .
- the filter element mechanism 200 includes a casing 201 , a base plate 202 and a filter element 203 .
- the upper end is tightly connected, the air inlet hood 30 is located above the base plate 202, the air inlet hood 30 and the base plate 202 are hermetically connected, an air inlet cavity 204 is formed between the air inlet hood 30 and the base plate 202, the filter element 203 is located in the housing 201, and the filter element 203 It is cylindrical, the upper end of the filter element 203 is tightly connected with the base plate 202, the lower end of the filter element 203 is closed, the interior of the filter element 203 is communicated with the air inlet cavity 204, and a closed air inlet channel 205 is formed between the filter element 203 and the housing 201.
- An air inlet is formed between the edge of the lower end opening and the filter element 203 .
- the filter element 203 is configured as a barrel-shaped structure, and is designed to take in the air from the opening at the lower end of the housing 201 , and the dust-laden air enters the air inlet channel 205 between the peripheral wall of the filter element 203 and the housing 201 and passes through the filter element 203 .
- the peripheral wall of the filter element 203 reaches the inner cavity of the filter element 203, and finally passes through the air inlet cavity 204 at the upper end of the filter element 203 and is discharged from the fan mechanism 100.
- the energy Compared with the way of entering the air from the filter element 203 along the radial side (one-side air intake), the energy
- the 360-degree peripheral walls of the filter element 203 are all made into filter surfaces, which can effectively improve the dust collection efficiency and prevent dust from damaging the centrifugal fan 20 .
- the base plate 202 is provided with an installation cylinder 206 extending toward the inside of the filter element 203, and the side of the installation cylinder 206 is provided with a second air inlet hole 207 that communicates with the air inlet cavity 204 and the interior of the filter element 203.
- the filter element device further includes a vibration chamber.
- the dust vibration mechanism 300 includes a motor 301 and a dust vibration blade assembly 302.
- the motor 301 is located in the installation cylinder 206.
- the first end of the dust vibration blade assembly 302 is connected to the motor 301, and the second end extends out of the installation cylinder 206 and is connected to the installation cylinder 206.
- the inner wall of the filter element 203 is in contact.
- the dust vibration mechanism 300 drives the filter element 203 to vibrate, so that the dust on the outer surface of the filter element 203 can fall off, thereby cleaning the filter element 203 to ensure the ventilation efficiency of the filter element 203 .
- the vertically arranged filter element 203 can reduce the probability that the dust will adhere to the outer surface of the filter element 203 again after falling off, which helps to improve the vibration dust removal effect of the filter element 203 .
- the filter element 203 is in the shape of a truncated cone, and the inclination angle of the side wall of the filter element 203 is 2.2°-4.3°.
- the inclination angle can be selected as 3.2°.
- the filter element 203 arranged at a certain inclination angle can reduce the probability that the dust will adhere to the outer surface of the filter element 203 again after falling off, which is helpful to improve the vibration dust removal effect of the filter element 203 .
- a floor cleaning device including a vehicle frame 400 , a side brush device 500 , a roller brush device 600 , a garbage bin 700 and the above-mentioned filter element device, and the side brush device 500 is installed on the vehicle frame 400 Below the front of the frame, the rolling brush device 600 is installed under the middle of the frame 400, the garbage box 700 is installed under the rear of the frame 400, the garbage box 700 communicates with the rolling brush device 600 and the side brush device 500, and the filter element device is installed in the The upper part of the rear of the frame 400 is communicated with the garbage can 700 and is arranged to absorb the dust raised by the roller brush device 600 and the side brush device 500 .
- the above design can realize automatic dust collection, and can improve the service life of the filter element device, thereby improving the overall reliability of the equipment and prolonging the service life of the equipment.
- the filter element mechanism 200 includes a housing 201 and at least two filter elements 203 , the at least two filter elements 203 are vertically arranged side by side along a forward direction perpendicular to the frame 400 , and the at least two filter elements 203 are arranged in the housing 201 ,
- the upper end of the body 201 is airtightly connected to the periphery of the fan mechanism 100
- an air inlet cavity 204 is formed between the air inlet cover 30 and the filter element 203 , which communicates with the interior of the filter element 203
- an air inlet channel is formed between the periphery of the filter element 203 and the housing 201 .
- the filter element mechanism 200 includes at least two filter elements 203 arranged vertically side by side, which can reduce the horizontal occupied area of the filter element mechanism 200 so as to arrange more filter elements 203, thereby helping to reduce the horizontal occupied area of the overall device and improve the
- the passing performance of the equipment can also improve the dust-absorbing ability per unit horizontal area;
- the plurality of filter elements 203 are extended and arranged along the forward direction perpendicular to the frame 400, which helps to reduce the front-to-rear distance of the frame 400, which in turn helps It is used to reduce the turning radius of the frame 400 and improve the ability of the equipment to work in a narrow space.
- the lower end of the casing 201 is provided with a sealing strip, and the casing 201 is sealedly connected to the vehicle frame 400 through the sealing strip.
- the sealing strip By providing the sealing strip, the housing 201 and the frame 400 can be reliably sealed, thereby ensuring that a reliable negative pressure can be formed in the housing 201 and the frame 400 .
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
- Cleaning In General (AREA)
Abstract
Description
Claims (18)
- 一种地面清洁设备,包括:车架(400);边刷装置(500),安装在车架(400)的前部下方;滚刷装置(600),安装在车架(400)的中部下方;垃圾箱(700),安装在车架(400)的后部下方,所述垃圾箱(700)与所述滚刷装置(600)连通;滤芯装置(2),安装在车架(400)的后部上方,所述滤芯装置(2)包括滤芯机构(200)和风机机构(100),所述滤芯机构(200)包括壳体(201)和至少两个滤芯(203),所述至少两个滤芯(203)沿垂直于所述车架(400)的前进方向竖直并排设置,所述至少两个滤芯(203)设置在所述壳体(201)内,所述壳体(201)的上端与所述风机机构(100)的周部密闭连接,每个滤芯(203)内部形成与所述风机机构(100)连通的出风通道(208),每个滤芯(203)的外壁与所述壳体(201)之间形成进风通道(205),每个滤芯(203)的下端封闭,所述壳体(201)的下端设置有敞口(2011),所述敞口(2011)的边缘与所述滤芯(203)之间形成进风口(2012),所述进风口(2012)与所述滚刷装置(600)和所述边刷装置(500)连通。
- 根据权利要求1所述的地面清洁设备,还包括倾倒装置(800),所述倾倒装置(800)安装于所述车架(400)的中部上方,所述倾倒装置(800)能够驱动所述垃圾箱(700)翻转。
- 根据权利要求2所述的地面清洁设备,其中,所述倾倒装置(800)包括倾倒驱动机构(801)和两组倾倒连杆(802),所述倾倒驱动机构(801)通过所述两组倾倒连杆(802)与所述垃圾箱(700)传动连接,所述倾倒驱动机构(801)安装在所述车架(400)的中部上方,所述两组倾倒连杆(802)分别从垂直于所述车架(400)的前进方向的两侧越过所述滤芯装置(2)的外周。
- 根据权利要求1所述的地面清洁设备,其中,所述滤芯机构(200)还包括:振尘机构(300),安装于每个滤芯(203)内部,且设置为驱动所述滤芯(203)振动。
- 根据权利要求4所述的地面清洁设备,其中,所述振尘机构(300)包括:振尘叶片组件(302),所述振尘叶片组件(302)与所述滤芯(203)的内 壁抵接;电机(301),能够驱动所述振尘叶片组件(302)转动。
- 根据权利要求1所述的地面清洁设备,其中,所述滚刷装置(600)包括:滚刷腔体(601),上端与所述滤芯装置(2)连通,下端设置有朝向地面的滚刷口;中心滚刷(602),安装于所述滚刷口,所述中心滚刷(602)的周部与地面接触,且能够扬起地面的灰尘;挡板(603),安装于所述滚刷口,且水平围绕在所述中心滚刷(602)的四周。
- 根据权利要求1所述的地面清洁设备,其中,所述壳体(201)的下端设置有密封条,所述壳体(201)通过所述密封条与所述车架(400)密封连接。
- 根据权利要求1所述的地面清洁设备,其中,所述壳体(201)的数量为一个,所述壳体(201)内安装有两个所述滤芯(203)。
- 根据权利要求8所述的地面清洁设备,其中,所述风机机构(100)包括两个离心风机(20)和一个风机安装板(24),所述风机安装板(24)与所述壳体(201)的上端密封连接,每个滤芯(203)的上端与所述风机安装板(24)密封连接,所述风机安装板(24)上对应每个滤芯(203)的位置开设有出风口,所述两个离心风机(20)分别安装于所述风机安装板(24)并覆盖所述出风口。
- 根据权利要求1至9任一项所述的地面清洁设备,其中,所述垃圾箱(700)的上端设置有箱口,所述箱口位于所述滤芯机构(200)的下方且朝向所述滤芯机构(200)。
- 根据权利要求1所述的地面清洁设备,其中,所述风机机构(100)包括:风机支架(10);离心风机(20),所述离心风机(20)位于所述风机支架(10)内,且所述离心风机(20)的轴向的上部安装在所述风机支架(10)上;以及进风罩组件,包括进风罩(30)和导风筒(40),所述风机支架(10)安装在所述进风罩(30)的上方,所述进风罩(30)设有第一进风孔(31),所述导风筒(40)与所述第一进风孔(31)连通并伸入所述进风罩(30)的下方,所述离心风机(20)的轴向的下部伸入所述导风筒(40)内,所述导风筒(40) 与所述离心风机(20)的外周壁之间形成与外部连通的轴向间隙(50)。
- 根据权利要求11所述的地面清洁设备,其中,所述离心风机(20)的外周壁沿轴向呈阶梯状,所述离心风机(20)包括位于上方的大端部(21)和位于下方的小端部(22),所述大端部(21)和所述小端部(22)之间具有阶梯面(23),所述阶梯面(23)设置为与所述进风罩(30)的上表面或者所述导风筒(40)的上表面之间形成与外部连通的径向间隙(60),所述径向间隙(60)与所述轴向间隙(50)连通。
- 根据权利要求11所述的地面清洁设备,其中,所述导风筒(40)与所述进风罩(30)一体成型。
- 根据权利要求11所述的地面清洁设备,其中,所述导风筒(40)呈阶梯状,所述导风筒(40)包括法兰部(42)和导风部(43),所述导风筒(40)的法兰部(42)抵接所述进风罩(30)的上表面或者下表面,所述导风筒(40)通过所述法兰部(42)与所述进风罩(30)固定连接,所述导风部(43)伸入所述进风罩(30)的下方。
- 根据权利要求11-14任一项所述的地面清洁设备,其中,所述风机机构(100)安装于所述滤芯机构(200)的上方,并与所述滤芯机构(200)连通。
- 根据权利要求15所述的地面清洁设备,其中,所述壳体(201)呈上端和下端均开口的筒状;所述滤芯机构(200)还包括基板(202),所述基板(202)与所述壳体(201)的上端密闭连接,所述进风罩(30)位于基板(202)上方,所述进风罩(30)与所述基板(202)之间密闭连接,所述进风罩(30)与所述基板(202)之间形成进风腔(204);所述滤芯(203)呈筒状,所述滤芯(203)的上端与所述基板(202)密闭连接。
- 根据权利要求16所述的地面清洁设备,其中,所述基板(202)上设有向所述滤芯(203)内部伸出的安装筒(206),所述安装筒(206)的侧部设有连通所述进风腔(204)和所述滤芯(203)内部的第二进风孔(207),所述滤芯装置(2)还包括振尘机构(300),所述振尘机构(300)包括电机(301)和振尘叶片组件(302),所述电机(301)位于所述安装筒(206)内,所述振尘叶片组件(302)的第一端与所述电机(301)连接,所述振尘叶片组件(302)的第二端伸出所述安装筒(206)并与所述滤芯(203)的内壁接触。
- 根据权利要求16所述的地面清洁设备,其中,所述滤芯(203)呈截 头圆锥状,所述滤芯(203)的侧壁的倾角为2.2°-4.3°。
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GB2300071.4A GB2613470A (en) | 2020-09-17 | 2021-09-03 | Floor cleaning device |
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CN202010982593.1A CN112120604A (zh) | 2020-09-17 | 2020-09-17 | 一种地面清洁设备 |
CN202010980795.2A CN112145452B (zh) | 2020-09-17 | 2020-09-17 | 一种风机机构、滤芯装置及清洁设备 |
CN202010980795.2 | 2020-09-17 | ||
CN202010982593.1 | 2020-09-17 |
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Cited By (1)
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2021
- 2021-09-03 WO PCT/CN2021/116429 patent/WO2022057641A1/zh active Application Filing
- 2021-09-03 GB GB2300071.4A patent/GB2613470A/en active Pending
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CN115608075B (zh) * | 2022-10-28 | 2024-06-07 | 江苏爱吉科纺织机械有限公司 | 一种用于纺织机械的高效空气过滤装置 |
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GB202300071D0 (en) | 2023-02-15 |
GB2613470A (en) | 2023-06-07 |
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