CN218552223U - Ground cleaning equipment - Google Patents

Ground cleaning equipment Download PDF

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Publication number
CN218552223U
CN218552223U CN202220867621.XU CN202220867621U CN218552223U CN 218552223 U CN218552223 U CN 218552223U CN 202220867621 U CN202220867621 U CN 202220867621U CN 218552223 U CN218552223 U CN 218552223U
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CN
China
Prior art keywords
brush
water
shell
conveying rod
compression roller
Prior art date
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Active
Application number
CN202220867621.XU
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Chinese (zh)
Inventor
王晓松
秦琳玲
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Suzhou Xinqingsong Intelligent Technology Co ltd
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Suzhou Xinqingsong Intelligent Technology Co ltd
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24Floor-sweeping machines, motor-driven
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/292Floor-scrubbing machines characterised by means for taking-up dirty liquid having rotary tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4013Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4036Parts or details of the surface treating tools
    • A47L11/4041Roll shaped surface treating tools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/408Means for supplying cleaning or surface treating agents
    • A47L11/4083Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47LDOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40Parts 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
    • A47L11/4094Accessories to be used in combination with conventional vacuum-cleaning devices

Abstract

The utility model discloses a ground cleaning device, which comprises a cleaning device and a water storage device; cleaning device includes the round brush, wash subassembly and manger plate shell, the round brush is all installed in the manger plate shell with washing the subassembly, the round brush is rotatable round brush that absorbs water, it sets up in one side of round brush to wash the subassembly, it includes conveying rod shell and the rotatable screw thread conveying pole of installing in the conveying rod shell to wash the subassembly, the conveying rod shell is provided with the drain in the rotatory direction of delivery of screw thread conveying pole, the opening has been seted up to the conveying rod shell, manger plate shell sets up with the sealed cooperation of conveying rod shell, manger plate shell and conveying rod shell can block that water and filth spill over, water storage device has the sewage case, dry earlier and inhale again wet earlier and drag, extension cleaning device life, cleaning effect is better.

Description

Ground cleaning equipment
Technical Field
The utility model relates to a clean field in ground especially relates to a ground cleaning equipment.
Background
Wet and dry dual-purpose ground cleaning equipment on the existing market almost all adopts wet earlier to drag and then dry to inhale, and the dust absorption is rearmounted promptly, nevertheless can bring the trouble sometimes like this, if meet the hard filth of large granule, the large granule filth hinders wet the dragging, or the large granule thing brings into wet device holding card of dragging and goes into wet device of dragging for equipment can't work or even damage equipment.
In addition, almost no cleaning device in the current market can simultaneously achieve the cleaning effects of 'dry', 'clean' and 'self-cleaning', wherein the 'dry' means that water stains left by a rolling brush after the rolling brush is processed by a compression roller are less; the 'cleaning' refers to that dirt on the ground can be conveyed and processed cleanly through the threaded conveying rod, and sweeping and mopping are integrated; the self-cleaning means that the roller brush can realize the self-cleaning process through clear water conveying and compression of the compression roller.
And the back is scraped to the commonly-used hanging strip, and the round brush surface is pressed and is pasted together, has greatly reduced the ability that the round brush adsorbs the sewage filth, and the extrusion can produce a large amount of ponding with the round brush high-speed rotation relatively, splashes easily, easily produces extra water stain.
Therefore, in combination with the above existing technical problems, there is a need to provide a new technical solution.
SUMMERY OF THE UTILITY MODEL
For solving the technical problem that exists among the prior art, the utility model provides a dispose nimble, simple structure, convenient to use, realize simultaneously "do", "clean" and "self-cleaning" function's cleaning device, concrete technical scheme is as follows:
a floor cleaning apparatus comprising a cleaning device and a water storage device;
the cleaning device comprises a rolling brush, a washing component and a water retaining shell, wherein the rolling brush and the washing component are both arranged in the water retaining shell, the rolling brush is a rotatable water-absorbing rolling brush, the washing component is arranged on one side of the rolling brush and comprises a conveying rod shell and a threaded conveying rod which is rotatably arranged in the conveying rod shell, a sewage outlet is formed in the conveying rod shell in the rotating and conveying direction of the threaded conveying rod, the conveying rod shell is provided with an opening towards the rolling brush, the water retaining shell and the conveying rod shell are arranged in a sealing and matching mode, and the water and dirt can be prevented from overflowing by the water retaining shell and the conveying rod shell;
the water storage device is provided with a sewage tank, and the sewage outlet is connected with the sewage tank through a sewage discharge pipe.
Further, the sewage treatment device further comprises a suction device, a filter is arranged in the suction device, the suction device is connected with the sewage outlet, the suction device can suck sewage and dirt of the sewage outlet, and the filter can filter the dirt.
Further, still include dust extraction, dust extraction has the suction hood, the suction hood is provided with dust absorption mouth, dust absorption passageway and inserts the mouth, the dust absorption mouth set up in the front side of round brush, dust absorption mouth and access mouth pass through dust absorption passageway intercommunication, dust extraction is disposed the filth on the through dust absorption mouth suction ground.
Furthermore, the dust suction device also comprises a dust suction rod;
the dust collection rod is detachably arranged on the access port, a dust collection cup and a dust collection pump are arranged on the dust collection rod, the dust collection cup is communicated with the access port through a dust collection pipeline, and the dust collection pump can suck dirt into the dust collection cup through the dust collection port;
the detachable dust hood cover is arranged above the cleaning device and the water storage device;
the dust suction port is configured to be foldable, collapsible, or detachable.
Further, the cleaning device also comprises at least one press roller and at least one first brush component;
the press roll is pressed on the rolling brush and positioned above the washing component, and the press roll can be rotatably arranged in the water retaining shell;
the first brush assembly is arranged between the press roller and the threaded conveying rod, is in contact with the rolling brush and can scrape dirt on the rolling brush;
the contact tightness of the thread conveying rod and the rolling brush is adjustable.
Furthermore, a plurality of first bulges are arranged at the upper edge of the opening of the conveying rod shell, the first bulges are first brush components, and the first bulges face to the rolling brush and are in contact with the rolling brush; and/or
The first brush component is a brush, the brush is rotatably arranged in the water retaining shell, a plurality of second bulges are arranged on the surface of the brush, and the second bulges are in contact with the rolling brush;
the contact tightness of the compression roller and the rolling brush can be adjusted.
Further, the cleaning device comprises at least one second brush assembly;
the second brush component is positioned on one side of the press roller, which is far away from the first brush component, the second brush component can be rotatably arranged in the water retaining shell, the second brush component is a rod-shaped component, the surface of which is provided with a plurality of wool tops, and the wool tops are in contact with the rolling brush;
the surface of the rolling brush is provided with a flannelette water absorption layer, the wool tops can be fluffy the flannelette water absorption layer, and the second brush assembly is a rotary second brush assembly or a non-rotary second brush assembly.
Furthermore, the water storage device further comprises a water purification tank, the water purification tank is arranged on one side, far away from the rolling brush, of the brushing assembly, and the water purification tank is connected with the water inlet through a clean water pipe.
Furthermore, the water storage device further comprises a water pump, a water pump is arranged between the clean water tank and the cleaning device, and the water pump can pump clean water in the clean water tank into the cleaning device.
Furthermore, the inner wall of the water retaining shell is provided with at least one water replenishing port, the water replenishing port faces the rolling brush, and the water replenishing port is connected with a water purifying tank through a clear water pipe; and/or
The conveying rod shell is provided with a water inlet, the water inlet is arranged at one end of the conveying rod shell, which is far away from the sewage discharge outlet, and the water inlet is connected with the clean water tank through a clean water pipe; and/or
The roller shell is sleeved with a roller shell, a spiral groove is formed in the surface of the roller, a roller shell water inlet, a roller shell water replenishing port and a roller shell water outlet are formed in the roller shell, the roller shell water inlet is located at one end of the roller shell, the roller shell water outlet is located at the other end of the roller shell, the roller shell water outlet is formed in the bottom of the roller shell, the roller shell water replenishing port faces the roller brush, and the roller shell water inlet is connected with a water purification tank through a clean water pipe; and/or
The brush has well cavity, a plurality of watering mouth and at least one brush mouth of a river, watering mouth and brush mouth of a river all with well cavity is linked together, and is a plurality of it sets up on the brush to sprinkle the mouth of a river, the brush mouth of a river sets up in the one end of brush, the brush mouth of a river passes through the clean water pipe and is connected with the water purification case.
The water purifier further comprises a brush shell, the brush shell is contained in the water retaining shell, the brush is rotatably installed in the brush shell, a second protrusion on the brush is spirally arranged on the brush, the brush shell is provided with a water inlet, a brush shell water replenishing port and a water draining port, the water inlet is formed in one end of the brush shell, the brush shell water replenishing port is opened towards the rolling brush, and the water inlet is connected with a water purifying tank through a clean water pipe.
Further, a hollow structure is arranged at the position, close to the opening, of the top of the conveying rod shell; and/or the presence of a gas in the gas,
a gap is arranged between the upper edge of the opening and the rolling brush;
the thread conveying rod is detachably arranged in the conveying rod shell.
Further, the rolling brush device further comprises a driving device, and the driving device can drive the rolling brush to rotate;
the thread conveying rod is provided with a plurality of hair scoops.
Furthermore, the device also comprises an electricity storage assembly, and the electricity storage assembly is electrically connected with the driving device.
Further, the thread conveying rod is a shaftless thread conveying rod;
the lower edge of the opening extends outwards to form an inclined plate, and the inclined plate extends towards the bottom of the rolling brush.
Further, the cutting assembly comprises a press roller base, a press roller, a first cutting component and a second cutting component; the utility model discloses a cleaning device, including compression roller base, first shearing part, second shearing part, rolling brush, compression roller base demountable installation in cleaning device, the compression roller is rotatable to be installed in the compression roller base, first shearing part with second shearing part all is located the below of compression roller, second shearing part is located one side of compression roller is kept away from to first shearing part, first shearing part with the attached setting of second shearing part, first shearing part with the axis direction relative movement of rolling brush can be followed between the second shearing part.
Furthermore, a spiral circular groove is formed in the surface of the compression roller, a pin shaft structure is arranged at the position, corresponding to the spiral circular groove, of the second shearing component, the pin shaft structure is contained in the spiral circular groove, and the second shearing component can reciprocate along the axial direction of the compression roller along with the rotation of the compression roller;
the first shearing part is fixedly arranged on the press roller base.
Further, a second elastic component is arranged between the press roller and the press roller base; cutting tooth structures are respectively arranged on one sides, facing the rolling brush, of the first shearing part and the second shearing part; and a scraper plate structure extends from one side of the first shearing component facing the roller brush.
Compared with the prior art, the technical scheme of the floor cleaning equipment has at least one or more of the following beneficial effects:
the patent can realize 'dry', 'clean' and 'self-cleaning' simultaneously; the dry process means that the rolling brush treated by the compression roller has less water stains; the 'cleaning' refers to that the dirt on the ground can be conveyed and processed through the threaded conveying rod, and the sweeping and mopping are integrated; "automatically cleaning" indicates that the round brush can mend the clear water through the round brush of this patent and realize the automatically cleaning process with the compression roller extrusion, and this patent provides multiple moisturizing mode, helps realizing the automatically cleaning, accords with ergonomic design more, promotes user experience greatly, overcomes current product shortcoming.
Add first brush subassembly, convex thing such as first arch or second arch on the first brush subassembly forms the point face contact with the round brush, for the face-to-face contact of scraping water strip or depression bar and round brush formation, the adhesion on the round brush softness filth such as hair, noodless, the face-to-face contact effort of scraping water strip or depression bar can't be got rid of, perhaps more firm extrusion is attached on the round brush even, and form the first brush subassembly of point face contact, on it first arch or second arch can hook adhesion softness filth on the round brush, thereby make first brush subassembly can be more effective, more thorough get rid of the filth on the round brush, effectively improve the effect of getting rid of the filth on the round brush, the round brush surface lasts totally helps improving the clean effect in ground. Of course, the first brush assembly can remove not only soft dirt but also granular dirt more easily.
Add the brush, prevent that compression roller and round brush high-speed relative extrusion from rotating and can form water below the compression roller and pile up, can play the guide effect, the round brush rotates simultaneously and drives the brush and rotates sewage or the filth that can extrude the compression roller and get rid of to carrying in the pole shell, can clear away the filth that rolls the surface.
The round brush is after the depression bar or scrape the extrusion of water strip in order to scrape off sewage filth, the cotton flannel layer of round brush surface absorbs water and laminates on the roller bearing, the cotton flannel layer that absorbs water of pressing the subsides continues to rotate forward, when again with ground contact, because the cotton flannel absorbs water the lamination and pastes together, the round brush adsorbs sewage and filth ability can obviously worsen, so after the round brush is extruded through the depression bar, the round brush surface sets up the second brush subassembly with the round brush contact, the wool strip on the second brush subassembly is scraped and is brushed the cotton flannel layer that absorbs water, make the cotton flannel layer that absorbs water of pressing the subsides become fluffy, and fluffy cotton flannel layer that absorbs water can be fine adsorbs sewage and filth on ground, consequently, first brush subassembly and second brush subassembly all help the round brush to improve the cleaning ability greatly.
The moisturizing mode of round brush automatically cleaning has multiple schemes to be optional, and is nimble various, has one or more arbitrary independent assortment such as manger plate shell moisturizing, transport pole shell moisturizing, brush shell moisturizing and compression roller moisturizing respectively to make the nimble configuration of accessory of this equipment.
The thread conveying rod is arranged, the thread conveying rod and the rolling brush are relatively rotated and extruded, so that the resistance of the rolling brush is reduced, the driving power of the rolling brush can be saved, the surfaces of the rolling brush and the thread conveying rod are not damaged by the rotation extrusion, and the service life of a product is prolonged; the thread conveying rod conveys sewage and dirt extruded by the rolling brush from one end of the thread conveying rod to the sewage discharge port at the other end of the thread conveying rod along the thread groove, so that the rolling brush is beneficial to self cleaning, and the sewage discharge port and the water inlet can be preferably arranged at two ends of the thread conveying rod, so that the space is saved, and the miniaturization or diversified design of a product is facilitated; the surface of the threaded conveying rod is concave-convex, and when the threaded conveying rod presses the rolling brush and rotates, the concave-convex surface of the threaded conveying rod rubs, beats and extrudes the rolling brush, so that the cleaning and drying effects of the surface of the rolling brush are better; the thread conveying rod extrudes the rolling brush, sewage and dirt on the rolling brush can be extruded out, the rolling brush is in a semi-wet state, a slightly-wet state or a slightly-dry state, and the more-dry rolling brush is beneficial to cleaning and dirt removing capacity of the rolling brush.
The compression roller is arranged to extrude the rolling brush to remove sewage, the compression roller extrudes the rolling brush and rotates reversely to the rolling brush to form rotary extrusion of two cylinders, the driving power loss of the rolling brush is small, the requirement of the rolling brush on the driving power can be reduced, the surfaces of the rolling brush and the compression roller are not easily damaged by the rotary extrusion, and the service life of a product is prolonged; the press roller further extrudes the rolling brush, so that the rolling brush is extruded to be in a slightly wet, slightly dry or even semi-dry state, large-particle dirt can be blocked, and the working efficiency and the cleaning effect of the rolling brush are improved more effectively; the extrusion tightness of the adjustable compression roller and the rolling brush is adjusted according to actual use conditions, so that the best cleaning effect is achieved.
This patent ground cleaning equipment's simple structure compactness, be favorable to simplifying product structure and reduce cost, alleviate the weight and the volume of equipment, the user of being more convenient for takes the use.
This equipment dust absorption mouth sets up in cleaning device the place ahead, and earlier dry is inhaled and is wet drags again, and the particle filth on earlier suction ground, cleaning device only need clean sewage and a small amount of filth, reduces large granule filth and to cleaning device's damage, extension cleaning device life, and dry wet part is clean, and clean effect is better.
In this equipment, dust extraction can be disposed in a flexible way to the access mouth of suction hood, not only can dispose the dust absorption pole of this patent, still can dispose the ordinary dust catcher on the existing market, and convenience of customers' old material regeneration uses, and the commonality is stronger.
The cutting assembly is arranged, so that dirt, particularly entanglement such as hair, can be cut into small sections or large-particle dirt to be crushed, the dirt is conveniently conveyed to the sewage tank, the entanglement or large-particle dirt is effectively prevented from causing equipment jamming, and the efficient cleaning effect and the stable working state of the cleaning equipment are further ensured;
the relative high-frequency reciprocating motion between the two shearing parts is driven by the rotation of the compression roller, so that the shearing effect is realized, a separate driving device for the shearing parts is omitted, the equipment cost and the equipment failure probability are reduced, the energy consumption is saved, and the miniaturization and simplification design of equipment are facilitated;
the compression roller and the compression roller base are elastically connected through the second elastic part, the elastic part can provide elastic force for the compression roller, so that good pressing force is kept between the compression roller and the rolling brush all the time, the squeezing effect of the compression roller on the rolling brush is ensured, the squeezing requirement cannot be met due to thinning of a cleaning layer of the rolling brush or attaching of lint after long-time use, and meanwhile, when large dirt is encountered, the dirt can smoothly pass through the rolling brush and the compression roller, so that the clamping of equipment is effectively avoided;
the scraping plate structure is arranged on the shearing part with the fixed position, the scraping plate structure is inconsistent with the rolling brush, dirt on the rolling brush can be scraped down to a position between the two shearing parts before the rolling brush is extruded by the compression roller, and the shearing and dirt removing effects are improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed for the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a schematic perspective view of a floor care appliance according to the present invention;
fig. 2 is a schematic perspective view of the cleaning device, the water storage device and the dust hood of the present invention;
fig. 3 is a schematic perspective view of the cleaning device, the water storage device and the dust hood of the present invention;
fig. 4 is an exploded view of the cleaning device of the present invention;
fig. 5 is an exploded view of the cleaning device of the present invention;
fig. 6 is a schematic perspective view of the cleaning device of the present invention;
fig. 7 is a schematic view of a part of the structure of the cleaning device of the present invention;
fig. 8 is a schematic perspective view of the roller brush, the second brush assembly, the compression roller, the brush and the conveying rod housing of the cleaning device of the present invention;
fig. 9 is a schematic perspective view of a scrubbing assembly according to the present invention;
fig. 10 is an exploded view of the scrubbing assembly of the present invention;
fig. 11 is a schematic perspective view of another embodiment of the screw conveyor bar according to the present invention;
fig. 12 is a schematic perspective view of a shaftless screw conveyor bar according to the present invention;
fig. 13 is a schematic perspective view of an embodiment of the brush of the present invention;
fig. 14 is a schematic perspective view of an embodiment of a brush and a brush housing according to the present invention;
fig. 15 is a schematic perspective view of another embodiment of the brush of the present invention;
FIG. 16 is a perspective view of an embodiment of a compression roller, a compression roller shell, a brush, and a scrubbing assembly according to the present invention;
FIG. 17 is a schematic perspective view of the shell of the pressure roller of FIG. 16;
fig. 18 is a schematic perspective view of the cutting assembly according to the present invention;
fig. 19 is an exploded view of the cutting assembly of the present invention;
fig. 20 is a schematic cross-sectional view of the cutting assembly of the present invention;
FIG. 21 is a schematic view of a partial perspective view of the floor scrubbing apparatus of the present invention;
FIG. 22 is a schematic cross-sectional view of FIG. 21;
fig. 23 is a partial perspective view of fig. 22.
Wherein, the cleaning device comprises 10 parts of a cleaning device, 1 part of a rolling brush, 2 part of a sewage discharge groove, 3 parts of a water retaining shell, 4 parts of a press roll, 6 parts of a driving device, 8 parts of a dust hood, 9 parts of a dust suction rod, 11 parts of a flannelette water absorption layer, 12 parts of a rolling shaft, 21 parts of a screw thread conveying rod, 22 parts of a conveying rod shell, 211 parts of a screw thread groove, 212 parts of a screw thread bulge, 213 parts of a hair tuft, 214 parts of a main shaft, 215 parts of a shaftless screw thread conveying rod, 221 parts of a sewage discharge outlet, 222 parts of an opening, 2221 parts of a first bulge, 2222 parts of an inclined plate, 223 parts of a water inlet, 41 parts of a press roll shell, 411 parts of a press roll shell water inlet, 412 parts of a press roll shell water replenishing port, 413 parts of a press roll shell, 43 parts of a pressure spring, 51 parts of a hair brush and 511 parts of a second bulge, 512-water spray opening, 513-brush opening, 52-second brush component, 53-brush shell, 531-water inlet, 532-brush shell water replenishing opening, 61-electricity storage component, 62-cover shell, 71-sewage tank, 72-water purification tank, 73-water pump, 81-dust suction opening, 82-dust suction channel, 83-inlet, 84-roller, 91-dust collection cup, 92-dust suction pump, 93-handle, 40-cutting component, 44-spiral rotary groove, 45-first shearing component, 451-scraper structure, 452-first hole, 453-slide hole, 46-second shearing component, 461-pin shaft structure, 462-second hole, 47-press roll base, 471-guide rib, 472-through hole, 473-notch, 48-bottom cover, 481-fastener, 482-first elastic component, 49-bearing seat, 491-bearing component, 492-second elastic component, 493-guide groove, 494-guide post structure, 495-limiting component.
Detailed Description
Reference will now be made in detail to the embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, unless explicitly stated or limited otherwise, the terms "disposed," "provided," "connected," "mounted," "sleeved," "opened," "fixed," and the like are to be construed broadly, e.g., as a fixed connection, a detachable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or may be connected through the use of two elements or the interaction of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
Examples
Referring to fig. 1 to 23, as shown in fig. 1 to 23, a floor cleaning apparatus provided in an embodiment of the present invention includes a cleaning device, a water storage device, and a dust suction device;
the cleaning device comprises a rolling brush 1, a washing component 2, a water retaining shell 3, a compression roller 4, a first brush component, a second brush component 52 and a driving device 6, wherein the rolling brush 1 and the washing component 2 are both arranged in the water retaining shell 3, the rolling brush 1 is a rotatable water-absorbing rolling brush, the washing component 2 is arranged on one side of the rolling brush 1, the washing component 2 comprises a conveying rod shell 22 and a threaded conveying rod 21 which is rotatably arranged in the conveying rod shell 22, the conveying rod shell 22 is provided with a sewage discharge port 221 in the rotating and conveying direction of the threaded conveying rod 21, the conveying rod shell 22 is provided with an opening 222 towards the rolling brush 1 direction, the water retaining shell 3 and the conveying rod shell 22 are arranged in a sealing and matching manner, and the water and dirt can be blocked from overflowing through the sealing and matching of the water retaining shell 3 and the conveying rod shell 22;
the water storage device is provided with a sewage tank 71 and a clean water tank 72, the sewage tank 71 and the clean water tank 72 are both arranged on one side of the washing component 2 far away from the rolling brush 1, the sewage outlet 221 is connected with the sewage tank 71 through a sewage pipe, the clean water tank 72 is connected to the cleaning device through a clean water pipe, the clean water conveyed by the clean water tank 72 can clean the rolling brush 1, a water pump 73 is arranged between the clean water tank 72 and the cleaning device, and the water pump 73 can pump the clean water in the clean water tank 72 into the cleaning device. Of course, a sewage pump may be provided which pumps sewage into the sewage tank 71 through the sewage discharge port 221.
Dust extraction has suction hood 8 and dust absorption pole 9, suction hood 8 is provided with dust absorption mouth 81, dust absorption passageway 82 and access mouth 83, dust absorption mouth 81 set up in the front side of round brush 1, dust extraction passes through the filth on dust absorption mouth 81 suction ground, dust absorption mouth 81 has collapsible, collapsible or detachable function, can accomodate the suction mouth when meetting sewage, avoids sewage to get into the suction mouth and damages suction apparatus. The dust suction port 81 is communicated with the access port 83 through the dust suction channel 82, the access port 83 is arranged above the dust suction cover, and the dust suction cover 8 is detachably covered above the cleaning device and the water storage device;
the dust suction rod 9 is detachably mounted on the receiving port 83, a dust cup 91, a dust suction pump 92 and a handle 93 are arranged on the dust suction rod 9, the dust cup 91 is communicated with the receiving port 83 through a dust collection pipeline, the dust suction pump 92 can suck dirt into the dust cup 91 through the dust suction port 81, and the handle 93 is arranged at one end, far away from the dust suction rod 9, far away from the dust suction port 81.
The floor cleaning equipment further comprises rollers 84, the rollers 84 are respectively installed on two sides of the water storage device or the dust collection cover 8, and one end of each roller 84, which is far away from the dust collection opening 81, is provided with a dust collection hole.
Referring to fig. 4-17, as shown in fig. 4-17, the cleaning device includes a rolling brush 1, a scrubbing component 2, a water blocking housing 3, a press roller 4, a first brush component and a second brush component 52;
the rolling brush 1 is a water-absorbing rolling brush, and the rolling brush 1 is rotatably arranged on the inner walls of two sides of the water retaining shell 3;
the roller brush 1 is a water-absorbing roller brush, which usually includes two modes, one is a water-absorbing lint-like cotton roller brush, or a water-absorbing collodion roller brush, such as polyvinyl alcohol collodion cotton. In an example, the rolling brush 1 includes a rolling shaft 12 and a flexible cleaning layer, the flexible cleaning layer is detachably sleeved on the rolling shaft 11, the flexible cleaning layer is a flannelette water absorption layer 11 or a water absorption rubber layer, and the flexible cleaning layer may be made of other water absorption materials. Prior art roller brushes or mops are all done by manual cleaning. Even if some products are said to have a self-cleaning function, the actual effect is poor.
The utility model discloses a water-retaining brush, including the rolling brush shell, wash subassembly 2, screw thread conveying pole 21 and conveying pole shell 22, wash subassembly 2, the water-retaining brush shell 3 is equipped with the semi-closed cavity of screw thread conveying pole 21, and the screw thread conveying pole 21 is provided with semi-closed cavity, the screw thread conveying pole 21 is rotatable install in the semi-closed cavity of conveying pole shell 22, screw thread conveying pole 21 with the inner wall of conveying pole shell 22 is pressed close to or attached cooperation setting, conveying pole shell 22 is provided with drain 221 in screw thread conveying pole 21 rotation direction, conveying pole shell 22 has seted up opening 222 towards rolling brush 1 direction, set up at least one screw thread slot 211 on the screw thread conveying pole 21, screw thread conveying pole 21 can carry the sewage filth to the other end from one end. In an example, the screw conveying rod 21 is detachably installed in the conveying rod housing 22, the screw conveying rod 21 and the conveying rod housing 22 are coaxially arranged, the central axis direction of the washing component 2 is consistent with the central axis direction of the rolling brush 1, and the outer diameter of the rolling brush 1 is larger than that of the screw conveying rod 21.
The utility model discloses a round brush drags ground and wipes ground with clean ground under humid state, then through the continuous replacement of sewage and water purification on screw thread conveying rod 21 and the rotatory round brush, drains the sewage filth to sewage case or other assigned positions through semi-closed cavity, realizes the automatically cleaning function of round brush simultaneously, and above structure is very simple compact, is favorable to simplifying product structure and reduce cost.
The screw conveying rod 21 is a long-shaped component with a screw groove 211 on the surface, the screw conveying rod 21 comprises a main shaft 214 and screw protrusions 212, the screw protrusions 212 are spirally wound from one end of the main shaft 214 to the other end, the screw grooves 211 are formed between the screw protrusions 212, the arrangement direction of the screw grooves can be adaptively adjusted according to the rotation direction and the transmission direction of the screw conveying rod 21, the main shaft 214 can also be provided with a plurality of screw protrusions 212, namely the screw protrusions 212 form a plurality of different screw grooves 211, preferably, the screw conveying rod 21 is opposite to the rotation direction of the rolling brush 1, so that the rotation resistance of the rolling brush 1 is reduced.
The screw thread transport pole is attached or is pressed close to the round brush and is the antiport with the round brush, and the screw thread transport pole forms two cylinder relative rotation extrudees with the round brush and makes the resistance of applying in the round brush less to the power loss of round brush is less, can save the drive power of round brush, and does not harm the round brush with screw thread transport pole surface, extension product life.
The screw thread conveying rod 21 and the rolling brush 1 are arranged in a pressing mode or in a contact mode, in one embodiment, the screw thread conveying rod 21 and the rolling brush 1 are arranged in a pressing mode, sewage and dirt on the rolling brush fall into the conveying rod shell 22 through the opening 222, and the screw thread conveying rod 21 conveys the sewage and dirt at the other end of the conveying rod shell 22 from one end of the conveying rod shell. In another embodiment, the screw conveying rod 21 is in contact with the rolling brush 1, the screw conveying rod 21 can convey sewage and dirt from one end of the conveying rod shell 22 to the other end of the conveying rod shell 22, clean water can be conveyed from one end of the conveying rod shell 22, the clean water is conveyed by the screw conveying rod 21 in a rotating mode, the clean water can clean the rolling brush by being in surface contact with the rolling brush 1, and meanwhile the screw pumping conveying rod is in pressure contact with the rolling brush, so that water on the rolling brush can be squeezed better, and dirt on the rolling brush can be peeled off. Of course, the contact tightness of the screw conveyor bar 21 and the roller brush 1 can be adjusted by an adjusting member.
Form the screw thread slot on the screw thread conveying rod, the screw thread conveying rod carries the sewage filth that the round brush extruded to the drain of the other end from screw thread conveying rod one end along the screw thread slot to drain and water inlet can be preferred to be set up in screw thread conveying rod both ends, practice thrift the space, help the miniaturization or the diversified design of product. Of course, the sewage draining outlet and the water inlet can be arranged at other positions. In addition, the screw thread conveying rod is provided with the screw groove, so that the surface of the screw thread conveying rod is concave-convex, when the screw thread conveying rod presses the rolling brush and rotates, the concave-convex surface of the screw thread conveying rod rubs, beats and extrudes the rolling brush, and the washing and drying effects of the surface of the rolling brush are better. The thread conveying rod extrudes the rolling brush, sewage and dirt on the rolling brush can be extruded out, so that the rolling brush is in a semi-wet state, a slightly-wet state or a slightly-dry state, and self-cleaning and automatic squeezing of the rolling brush are facilitated.
Preferably, as shown in fig. 11, in another embodiment of the screw conveying rod 21, a plurality of burrs 213 are provided on the screw conveying rod 21, the burrs 213 are provided on the screw protrusions 212 formed in the screw grooves 211 and/or between the screw grooves 211, and preferably, the burrs 213 are provided on the screw protrusions 212. The bristles 213 can increase the friction between the screw bar 21 and the roller brush 1, and prevent the screw bar from sliding and not rotating together with the roller brush 1.
In another embodiment, as shown in FIG. 12, the threaded conveyor bar 21 is a shaftless threaded conveyor bar 215.
The utility model discloses a screw thread conveying rod 21's usage as follows:
the thread conveying rod 21 presses or contacts the rolling brush 1, the extrusion degree of the thread conveying rod to the rolling brush is adjusted through the adjusting piece, when the thread conveying rod rotates, the concave-convex surface of the thread conveying rod extrudes, rubs and beats the flexible cleaning layer on the surface of the rolling brush, sewage and dirt on the rolling brush 1 are extruded and flow into the thread groove 21 of the thread conveying rod 21, and the sewage and dirt in the thread groove 21 are spirally conveyed from one end to the other end by the thread conveying rod 21 along with the rotation of the thread conveying rod 21; on the other hand, the clean water can be conveyed from one end of the screw conveying rod 21, when the screw conveying rod 21 rotates and extrudes the roller brush, the clean water is conveyed to the roller brush which is in contact with the screw conveying rod, the roller brush is subjected to water replacement cleaning, and sewage and particle dirt on the roller brush are conveyed to the other end of the screw conveying rod, so that the self-cleaning function of the roller brush is realized.
One side cover of manger plate shell 3 establishes extremely round brush 1 keeps away from conveying rod shell 22 one side, 3 other sides of manger plate shell extend to conveying rod shell 22, manger plate shell 3 sets up with conveying rod shell 22 sealed cooperation, manger plate shell 3 can stop water and filth and spill over.
The press roll 4 is rotatably arranged on the inner walls of two sides of the water retaining shell 3, the press roll 4 presses the rolling brush 1, and the press roll 4 is positioned above the washing component 2. Preferably, the outside diameter of the roller brush 11 is larger than the outside diameter of the press roller 13, and the press roller 4 may be provided in plurality.
Set up compression roller 4, it further extrudees 1 of round brush, makes 1 wringing effect of round brush better, avoids or reduces to clean the ground after good and remains water stain, also further blocks the granule filth of round brush surface adhesion in addition.
The press roller 4 is in pressure contact with the rolling brush 1 through an adjusting piece, the adjusting piece can adjust the contact tightness of the press roller 4 and the rolling brush 1, the adjusting piece is preferably an elastic mechanism with certain elasticity, and the elastic mechanism can be a part with certain elasticity, such as a pressure spring or a spring; of course, the adjusting member may be an adjusting valve. In an example, the adjusting element for adjusting the press roll 4 and the rolling brush 1 is a pressure spring 43, two ends of the press roll 4 are installed in the installation hole of the water blocking housing 3, the pressure spring is arranged in the installation hole, the pressure spring 43 extrudes the press roll 4 on the rolling brush 1, and preferably, the rotation directions of the press roll 4 and the rolling brush 1 are opposite to each other so as to reduce the resistance when the rolling brush rotates.
When the press roller 4 is additionally arranged, the position, close to the opening 222, of the conveying rod shell 22 is of a hollow structure, and/or a gap is formed between the upper edge of the opening 222 and the rolling brush 1, and sewage and dirt extruded by the press roller 2 enter the conveying rod shell 22 through the hollow structure or the gap.
As shown in fig. 9-10, a through sewage discharge port 221 is arranged on the conveying rod housing 22 along the rotation conveying direction of the screw conveying rod 21, and after sewage and dirt are conveyed from one end to the other end by the screw conveying rod 21, the sewage and dirt are discharged from the sewage discharge port 221; the end of the conveying rod shell 22 far away from the sewage draining outlet 221 is further provided with a water inlet 223, the sewage draining outlet 221 is arranged at the end of the conveying rod shell 22 or on the side wall of the conveying rod shell 22, and similarly, the water inlet 223 can be also arranged at the end of the conveying rod shell 22 or on the side wall of the conveying rod shell 22.
An opening 222 is formed in one side, facing the roller brush 1, of the conveying rod housing 22, an inclined plate 2222 extends outwards from the lower edge of the opening 222, and the inclined plate 2222 extends towards the bottom of the roller brush 1; the inclined plate 2222 is in contact with or close to the ground, preferably, the inclined plate 2222 is in contact with the ground, the inclined plate 2222 can scoop up sewage and dirt on the ground, and a gap is formed between the inclined plate 2222 and the rolling brush 1, and the sewage and dirt can enter the conveying rod housing 22 through the gap. In an example, the sloping plate 2222 has a length that corresponds to the length of the opening.
Preferably, the length direction of the opening 222 is the same as the length direction of the conveying rod housing 22, and the length of the opening 222 is not less than the length of the rolling brush 1. Of course, the length of the opening 222 being smaller than the length of the roller brush 11 can also be implemented as a non-preferred embodiment. In the example, the length of the opening 222 corresponds to the length of the roller brush 1.
Compression roller 13's theory of operation:
the compression roller 4 is pressed on the rolling brush 1, the compression roller 4 is adjusted through the adjusting part to the extrusion degree of the rolling brush 1, the compression roller 4 carries out extrusion decontamination on the rolling brush 1 again, the sewage and the dirt on the rolling brush 1 are extruded out, and the extruded sewage and the dirt flow into the thread groove 21 of the thread conveying rod 21 along the surface of the rolling brush 1.
The cleaning device is provided with at least one first brush component, the first brush component is arranged between the press roll 4 and the threaded conveying rod 21, and the first brush component can scrape dirt on the rolling brush 1. The first brush assembly has two embodiments, in one embodiment, the conveying rod housing 22 is provided with a plurality of first protrusions 2221 at the upper edge position of the opening 222, the plurality of first protrusions 2221 are the first brush assembly, the first protrusions 2221 face the roller brush and contact with the roller brush, and the first protrusions 2221 can scrape off the dirt on the roller brush 1. In one embodiment, the first brush assembly is a brush 51, as shown in fig. 13, the brush 51 is rotatably installed in the water blocking housing 3, a plurality of second protrusions 511 are formed on the surface of the brush 51, the second protrusions 511 contact the rolling brush 1, and the second protrusions 511 can scrape off dirt on the rolling brush 1. Of course, both first brush assemblies may be provided. Set up first brush subassembly and can brush particulate matter or flexible particulate matter on the round brush to when compression roller and round brush are rotatory at a high speed relatively, the compression roller below produces a large amount of ponding, and first brush subassembly sets up in the compression roller below, the brush can prevent that ponding from splashing in can draining to the conveying pole shell, and first brush subassembly also can play fluffy cotton flannel and absorb water the effect on layer.
The cleaning apparatus further includes a second brush assembly 52; the second brush assembly 52 is positioned on one side of the press roll 4 away from the first brush assembly, the second brush assembly 52 is rotatably installed in the water retaining shell 3, the second brush assembly 52 is a rod-shaped component provided with a plurality of wool tops on the surface, and the wool tops are in contact with the rolling brush 1; the surface of the roller brush 1 is provided with a flannelette water absorption layer 11, and the wool tops can be used for loosening the flannelette water absorption layer 11; the second brush element 52 is a rotating second brush element or a non-rotating second brush element.
The cleaning device also has a self-cleaning function, and the roller brush can clean sewage and dirt and simultaneously supply water to the roller brush so as to realize the self-cleaning function of the roller brush and be beneficial to better and cleaner ground cleaning. The water replenishing mode of the rolling brush comprises at least one or more of the following modes:
in one embodiment, the conveying rod housing 22 is provided with a water inlet 223, as shown in fig. 9-10, the water inlet 223 is arranged at one end of the conveying rod housing 22 far away from the sewage draining exit 221, the water inlet 223 is connected with the clean water tank 72 through a clean water pipe, and sewage and dirt are conveyed from one end of the water inlet 223 of the conveying rod housing 22 to one end of the sewage draining exit 221 through the rotation of the screw conveying rod 21.
In one embodiment, at least one water replenishing port is arranged on the inner wall of the water retaining shell 3, the water replenishing port faces the roller brush 1, the water replenishing port is connected with a clean water tank 72 through a clean water pipe, and preferably, the water replenishing port is arranged between the washing component 2 and the compression roller.
In one embodiment, a brush housing 53 is sleeved outside the brush 51, as shown in fig. 14, the brush housing 53 is accommodated in the water blocking housing 3, the second protrusion 511 on the brush 51 is spirally arranged on the brush 51, and the brush 51 is rotatably installed in the brush housing 53;
the brush housing 53 has a water inlet 531 and a brush housing water replenishing port 532, the water inlet 531 is provided at one end of the brush housing 53, the brush housing water replenishing port 532 opens toward the roll brush 1, and the water inlet 531 is connected to the clean water tank 72 through a clean water pipe.
In one embodiment, a roll casing 41 is sleeved on the roll 4, as shown in fig. 16-17, a spiral groove is formed on the surface of the roll 4, the spiral groove can convey water from one end to the other end along with the rotation of the roll 4, a roll casing water inlet 411, a roll casing water replenishing port 412 and a roll casing water outlet 413 are formed on the roll casing 41, the roll casing water inlet 411 is located at one end of the roll casing 41, the roll casing water outlet 413 is located at the other end of the roll casing 41, the roll casing water outlet 413 is formed at the bottom of the roll casing 41, the roll casing water replenishing port 412 faces the roller brush 1, and the roll casing water inlet 411 is connected with the clean water tank 72 through a clean water pipe.
One embodiment, as shown in fig. 15, the brush 51 has a hollow cavity, at least one water sprinkling opening 512 and at least one brush opening 513, the water sprinkling opening 512 and the brush opening 513 all communicate with the hollow cavity, the hollow cavity length direction is consistent with the brush 51 length direction, the water sprinkling opening 512 is arranged on the brush 51, the brush opening 513 is arranged at one end of the brush 51, and the brush opening 513 is connected with the purified water tank 72 through a purified water pipe.
The water replenishing mode of the rolling brush can be any one of the modes, and can also be a free combination of any two or more of the modes.
In a further embodiment, a drive device 6 is also included; the driving device 6 can drive the rolling brush 1 to rotate;
in one embodiment, the driving device 6 may be connected to the roller brush 1, as shown in fig. 4-5 and 7, the driving device 6 drives the roller brush 1 to rotate, and the screw conveyor 21 is driven to rotate in the opposite direction by the rotation of the roller brush, so that the screw conveyor 21 performs the function of conveying water and dirt. Of course, the drive 6 can also be arranged inside the roller 12 of the roller brush 1.
In one embodiment, the roller brush 1 is connected with one driving device, the screw conveying rod 21 is connected with the other driving device, and the roller brush and the screw conveying rod 21 are driven by the respective driving devices to rotate.
In one embodiment, the roller brush 1 has no direct driving device, and the driving device is directly connected with the screw conveying rod 21, and the screw conveying rod 21 rotates to drive the roller brush 1 to rotate reversely.
In one embodiment, the rolling brush 1 and the threaded conveying rod 21 are not provided with a driving device, when a user pushes the cleaning device forwards, the rolling brush is driven to rotate, the threaded conveying rod 21 is driven to rotate in the opposite direction through the rotation of the rolling brush, and the threaded conveying rod 21 has a function of conveying water and dirt.
In the case of the above four embodiments of the driving means, in the case of a press roll, and/or further comprising a further driving means, said driving means can be connected to said press roll 4, said driving means driving said press roll 4 in rotation.
In an example, the device further comprises an electric storage component 61, and the electric storage component 61 is electrically connected with the driving device 6.
In the example, further includes a housing 62; the driving device and the electricity storage assembly are arranged on the water retaining shell 3, the length directions of the driving device and the electricity storage assembly are consistent with the length direction of the rolling brush, the cover 62 covers the driving device 6 and the electricity storage assembly 61, and the cover is tightly matched with the top of the water retaining shell 3.
In still another embodiment, the sewage treatment device further comprises a suction device, the suction device is connected with the sewage outlet 221, sewage and dirt on the roller brush enter the conveying rod shell 22 through the opening 222, the sewage and dirt are conveyed to the sewage outlet under the rotation conveying of the threaded conveying rod 21 in the conveying rod shell 22, the sewage and dirt are pumped into the sewage tank 71 under the action of the suction device, the suction device can collect the sewage and dirt into the sewage tank, the sewage and dirt discharge efficiency is improved, and the sewage and dirt are quickly sucked into the sewage tank. In addition, the suction device is also provided with a filter which is capable of filtering dirt to protect the suction device from damage. Of course, the suction device and the dust suction device can be arranged at the same time, and the cleaning efficiency and the cleaning speed are improved most effectively.
In another embodiment, a cutting assembly 40 is further included, the cutting assembly 40 is detachably installed in the water blocking housing 3 above the position where the screw conveyor bar 21 abuts against the roller brush 1, preferably, the compression roller 4 is installed in the cutting assembly, and fig. 21 to 23 schematically show the cleaning device with the cutting assembly installed. The detailed structure of the cutting assembly is as follows:
as shown in fig. 18 and 19, the cutting assembly 40 is mainly composed of a press roller base 47, a press roller 4, a first cutting member 45, and a second cutting member 46. The roll base 47 is preferably a long structure, and is fixedly installed inside the water blocking housing 3. The length direction of the press roller base 47 coincides with the axial direction of the roll brush 1. The press roller base 47 is provided with an inner cavity, and one side of the press roller base 47 facing the rolling brush 1 is provided with an opening which is communicated with the inner cavity of the press roller base 47. The compression roller 4 is rotatably arranged in the inner cavity. Specifically, a first partition plate and a second partition plate are arranged in the inner cavity at intervals along the axial direction of the compression roller 4, the inner cavity is sequentially divided into a first cavity, a second cavity and a third cavity by the first partition plate and the second partition plate, and the compression roller 4 is located in the second cavity. The two ends of the compression roller 4 are respectively provided with a rotating shaft structure, the first partition plate and the second partition plate are respectively provided with a notch, and the two rotating shaft structures respectively penetrate through the notches to penetrate through the first partition plate and the second partition plate to enter the first cavity and the third cavity. Bearing parts 491 are respectively sleeved on the rotating shaft structures at the two ends of the press roller 4, and the bearing parts 491 are respectively arranged in the first chamber and the third chamber through bearing seats 49. A guide structure is arranged between the bearing seat 49 and the inner wall of the compression roller base 47 in the length direction, preferably, a guide rib 471 is arranged on the inner wall of the compression roller base 47 in the length direction, one end of the guide rib 471 extends towards the opening direction of the compression roller base 47, a matched guide groove 493 is arranged at the position, corresponding to the guide rib 471, of the bearing seat 49, the bearing seat 49 is guided in a limiting manner through the guide groove 493 and the compression roller base 47, and the bearing seat 49 can only move back and forth in the first chamber or the third chamber along the opening direction of the compression roller base 47.
A plurality of elastic members, which are defined as second elastic members 492, are further disposed between the platen roller 4 and the platen roller base 47. The second elastic member 492 may be a spring, or any other member capable of providing an elastic force. In fig. 19 and 20, the second elastic member 492 is exemplified as a spring. The second elastic member 492 is located between the bearing housing 49 and the platen roller base 47. Specifically, a guide column structure 494 is disposed on one side of the bearing seat 49 away from the opening, a through hole 472 is disposed at a position, corresponding to the guide column structure 494, of one side wall of the pressure roller base 47 away from the opening, and one end of the guide column structure 494 is located in the through hole 472. The second elastic members 492 are respectively located at two sides of the guide column structure 494, and one end of the second elastic member 492 is connected to the bearing seat 49, and the other end is connected to a side wall of the pressing roller base 47 away from the opening. In this way, the second elastic member 492 can provide an elastic force to the press roller 4, so that a good pressing force is always maintained between the press roller 4 and the roller brush 1, and a squeezing effect of the press roller 4 on the roller brush 1 is ensured, and the squeezing requirement cannot be met due to thinning of the flexible cleaning layer or sticking of lint of the roller brush 1 after long-time use. Meanwhile, the second elastic component 492 can also enable the dirt to smoothly pass through between the rolling brush 1 and the compression roller 4 when the dirt is relatively large, and further effectively prevent the equipment from being locked.
Further, a stopper member 20 may be provided to prevent the bearing holder 49 from moving excessively in the direction of the opening. A screw is provided on one side of the guide column structure 494, schematically shown in fig. 19 and 20, and the size of the head of the screw is larger than that of the through hole 472 of the pressing roller base 47, so as to realize the movable mounting of the bearing seat 49 in the first chamber or the third chamber.
The first and second shearing members 45 and 46 are preferably elongated toothed plate structures, as shown in fig. 19. The longitudinal direction of the first cutting member 45 and the longitudinal direction of the second cutting member 46 are aligned with the axial direction of the press roll 4, respectively. The first cutting member 45 is positioned obliquely below the roll base 47, the second cutting member 46 is positioned below the first cutting member 45, and the first cutting member 45 and the roll base 47 are fixed in position. The second cutting member 46 is located on the side of the first cutting member 45 away from the platen base 47, and the second cutting member 46 is movable in the axial direction of the platen roller 4 by being driven by the platen roller 4. The first shearing component 45 and the second shearing component 46 are respectively provided with a cutting tooth structure on one side corresponding to the opening, and when the first shearing component 45 and the second shearing component 46 are driven by the rotation of the press roller 4 to move relatively in the axial direction of the press roller 4, a shearing force is formed between the cutting tooth structures of the first shearing component 45 and the second shearing component 46, so that dirt can be sheared.
Specifically, a bottom cover 48 is disposed on a side of the second cutting member 46 away from the first cutting member 45, and the bottom cover 48 is fixedly connected to the platen base 47 by a plurality of fasteners 481 such as screws. A first hole 452 is formed in the first shearing part 45 at a position corresponding to the fastener 481, and the size of the first hole 452 is matched with the size of the fastener 481. The second cutting member 46 is provided with a second hole 462 at a position corresponding to the fastener 481, and the second hole 462 is elongated and has a length direction identical to that of the second cutting member 46. The fastener 481 passes through the hole of the bottom cover 48, the second hole 462 and the first hole 452 in sequence to be fixedly connected with the platen roller base 47, as shown in fig. 18 and 19, that is, the position between the first shearing part 45 and the platen roller base 47, that is, between the first shearing part and the platen roller 4, is fixed, and thus a fixed shear is formed. And the second shearing member 46 can reciprocate between the first shearing member 45 and the bottom cover 48 along the axial direction of the platen roller 4 to form a sliding shear.
The circumferential surface of the pressing roller 4 is provided with a spiral groove 44, and the second shearing part 46 is provided with a pin structure 461 at a position corresponding to the spiral groove 44. A notch 473 is provided in the roll base 47 at a position corresponding to the spiral groove 44, a slide hole 453 is provided in the first cutting member 45 at a position corresponding to the pin structure 461, the longitudinal direction of the slide hole 453 coincides with the axial direction of the roll 4, and the pin structure 461 is inserted into the spiral groove 44 through the slide hole 453 and the notch 473 in this order. Thus, when the platen roller 4 is driven to rotate, the second cutting member 46 is guided by the spiral groove 44 and the pin structure 461, so as to reciprocate between the first cutting member 45 and the bottom cover 48 in the axial direction of the platen roller 4.
Further, a plurality of elastic members are further disposed between the second cutting member 46 and the bottom cover 48, which are defined as first elastic members 482, and the plurality of first elastic members 482 are distributed along a length direction of the second cutting member 46. The first elastic member 482 is preferably a torsion spring, as shown in fig. 19. One end of the torsion spring is connected to the bottom cover 48, and the other end of the torsion spring is in interference connection with the second cutting member 46, as shown in fig. 22. By providing the first elastic member 482, the second shearing member 46 and the first shearing member 45 can be in a close fit state, and a good shearing effect between the two is ensured.
Further, the tooth ends of the first cutting member 45 and the second cutting member 46 are respectively inclined downward. A scraper structure 451 extends on a side of the first cutting member 45 corresponding to the opening, and the scraper structure 451 is inclined in a direction away from the second cutting member 46, as shown in fig. 20 and 22. The scraper blade structure 451 is inconsistent with the flexible cleaning layer of the rolling brush 1, and can be extruded by the press roller 4 before the rolling brush 1, the dirt on the rolling brush 1 is scraped down to between two shearing parts, so that the shearing and decontamination effects are improved. In order to facilitate the sewage or dirt squeezed by the press roll 4 to smoothly flow into the conveying housing 22, a plurality of dirt flowing holes may be formed between the scraper structure 451 and the main body of the first shearing member 45.
It should be noted that, without conflict, all the technical features of all the above components can be freely combined, and the free combination or simple changes, variations and modifications thereof are all within the protection scope of the present patent.
The technical scheme of the floor cleaning equipment of this patent has following one or more beneficial effect at least:
this patent ground cleaning device's simple structure compactness, be favorable to simplifying product structure and reduce cost, alleviate the weight and the volume of equipment, the user of being more convenient for takes the use.
The patent can realize 'dry', 'clean' and 'self-cleaning' at the same time; the dry refers to that the rolling brush treated by the press roll has less water stains; the 'cleaning' refers to that the dirt on the ground can be conveyed and processed through the threaded conveying rod, and the sweeping and mopping are integrated; "automatically cleaning" indicates that the round brush can mend the clear water through the round brush of this patent and realize the automatically cleaning process with the compression roller extrusion, and this patent provides multiple moisturizing mode, helps realizing the automatically cleaning, accords with ergonomic design more, promotes user experience greatly, overcomes current product shortcoming.
Add first brush subassembly, convex thing such as first arch or second arch on the first brush subassembly forms the point face contact with the round brush, for the face-to-face contact of scraping water strip or depression bar and round brush formation, the adhesion on the round brush softness filth such as hair, noodless, the face-to-face contact effort of scraping water strip or depression bar can't be got rid of, perhaps more firm extrusion is attached on the round brush even, and form the first brush subassembly of point face contact, on it first arch or second arch can hook adhesion softness filth on the round brush, thereby make first brush subassembly can be more effective, more thorough get rid of the filth on the round brush, effectively improve the effect of getting rid of the filth on the round brush, the round brush surface lasts totally helps improving the clean effect in ground.
Add the brush, prevent that compression roller and round brush high-speed relative extrusion from rotating and can form water below the compression roller and pile up, can play the guide effect, the round brush rotates simultaneously and drives the brush and rotates and to throw into the sewage or the filth that can extrude the compression roller to the conveying pole shell in, can clear away the filth on rolling the surface.
The round brush is after the depression bar or scrape the extrusion of water strip in order to scrape off sewage filth, the cotton flannel layer of round brush surface absorbs water and laminates on the roller bearing, the cotton flannel layer that absorbs water of pressing the subsides continues to rotate forward, when again with ground contact, because the cotton flannel absorbs water the lamination and pastes together, the round brush adsorbs sewage and filth ability can obviously worsen, so after the round brush is extruded through the depression bar, the round brush surface sets up the second brush subassembly with the round brush contact, the wool strip on the second brush subassembly is scraped and is brushed the cotton flannel layer that absorbs water, make the cotton flannel layer that absorbs water of pressing the subsides become fluffy, and fluffy cotton flannel layer that absorbs water can be fine adsorbs sewage and filth on ground, consequently, first brush subassembly and second brush subassembly all help the round brush to improve the cleaning ability greatly.
The moisturizing mode of round brush automatically cleaning has multiple schemes to select, and is nimble various, has one or more arbitrary independent assortment such as manger plate shell moisturizing, conveying rod shell moisturizing, brush shell moisturizing and compression roller moisturizing respectively to make the accessory of this equipment dispose in a flexible way.
The thread conveying rod is arranged, and the thread conveying rod and the rolling brush are relatively rotated and extruded, so that the resistance of the rolling brush is reduced, the driving power of the rolling brush can be saved, the surfaces of the rolling brush and the thread conveying rod are not damaged by the rotation and extrusion, and the service life of a product is prolonged; the thread conveying rod conveys sewage and dirt extruded by the rolling brush from one end of the thread conveying rod to the sewage discharge port at the other end of the thread conveying rod along the thread groove, so that the rolling brush is beneficial to self cleaning, and the sewage discharge port and the water inlet can be preferably arranged at two ends of the thread conveying rod, so that the space is saved, and the miniaturization or diversified design of a product is facilitated; the surface of the threaded conveying rod is concave-convex, and when the threaded conveying rod presses the rolling brush and rotates, the concave-convex surface of the threaded conveying rod rubs, beats and extrudes the rolling brush, so that the cleaning and drying effects of the surface of the rolling brush are better; the thread conveying rod extrudes the rolling brush, sewage and dirt on the rolling brush can be extruded out, the rolling brush is in a semi-wet state, a slightly-wet state or a slightly-dry state, and the more-dry rolling brush is beneficial to cleaning and dirt removing capacity of the rolling brush.
The compression roller is arranged to extrude the rolling brush to remove sewage, the compression roller extrudes the rolling brush and rotates reversely to the rolling brush to form rotary extrusion of two cylinders, the driving power loss of the rolling brush is small, the requirement of the rolling brush on the driving power can be reduced, the surfaces of the rolling brush and the compression roller are not easily damaged by the rotary extrusion, and the service life of a product is prolonged; the press roller further extrudes the rolling brush, so that the rolling brush is extruded to be in a slightly wet, slightly dry or even semi-dry state, large-particle dirt can be blocked, and the working efficiency and the cleaning effect of the rolling brush are improved more effectively; the extrusion elasticity that sets up adjustable compression roller and round brush is adjusted according to actual use to reach the clean effect of best.
This equipment dust absorption mouth sets up in cleaning device the place ahead, and earlier dry is inhaled and is wet drags again, and the particle filth on earlier suction ground, cleaning device only need clean sewage and a small amount of filth, reduces large granule filth and to cleaning device's damage, extension cleaning device life, and dry wet part is clean, and clean effect is better.
In this equipment, dust extraction can be dispose in a flexible way to the access mouth of suction hood, not only can dispose the dust absorption pole of this patent, still can dispose the ordinary dust catcher on the existing market, and convenience of customers old thing regeneration is used, and the commonality is stronger.
The cutting assembly is arranged, so that dirt, particularly entanglement such as hair, can be cut into small sections or large-particle dirt to be crushed, the dirt is conveniently conveyed to the sewage tank, the entanglement or large-particle dirt is effectively prevented from causing equipment jamming, and the efficient cleaning effect and the stable working state of the cleaning equipment are further ensured;
the relative high-frequency reciprocating motion between the two shearing parts is driven by the rotation of the compression roller, so that the shearing effect is realized, a separate driving device for the shearing parts is omitted, the equipment cost and the equipment failure probability are reduced, the energy consumption is saved, and the miniaturization and simplification design of equipment are facilitated;
the compression roller and the compression roller base are elastically connected through the second elastic part, the elastic part can provide elastic force for the compression roller, so that good pressing force is kept between the compression roller and the rolling brush all the time, the squeezing effect of the compression roller on the rolling brush is ensured, the squeezing requirement cannot be met due to thinning of a cleaning layer of the rolling brush or attaching of lint after long-time use, and meanwhile, when large dirt is encountered, the dirt can smoothly pass through the rolling brush and the compression roller, so that the clamping of equipment is effectively avoided;
the scraping plate structure is arranged on the shearing part with the fixed position, the scraping plate structure is inconsistent with the rolling brush, dirt on the rolling brush can be scraped down to a position between the two shearing parts before the rolling brush is extruded by the compression roller, and the shearing and dirt removing effects are improved.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "yet another embodiment," "other embodiments," "an example," "a specific example" or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by one skilled in the art.
While embodiments of the present invention have been shown and described above, it is to be understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications and changes may be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.

Claims (13)

1. A floor cleaning apparatus comprising cleaning means and water storage means;
the cleaning device comprises a rolling brush (1), a washing component (2) and a water retaining shell (3), wherein the rolling brush (1) and the washing component (2) are installed in the water retaining shell (3), the rolling brush (1) is a rotatable water-absorbing rolling brush, the washing component (2) is arranged on one side of the rolling brush (1), the washing component (2) comprises a conveying rod shell (22) and a threaded conveying rod (21) which is rotatably installed in the conveying rod shell (22), the conveying rod shell (22) is provided with a sewage discharge outlet (221) in the rotating conveying direction of the threaded conveying rod (21), the conveying rod shell (22) is provided with an opening (222) towards the rolling brush (1), the water retaining shell (3) and the conveying rod shell (22) are arranged in a sealing fit mode, and the water and sewage can be blocked by the water retaining shell (3) and the conveying rod shell (22) and overflow;
the water storage device is provided with a sewage tank (71), and the sewage outlet (221) is connected with the sewage tank (71) through a sewage discharge pipe.
2. A floor cleaning device according to claim 1, characterized in that a suction device is provided, which is provided with a filter inside and which is connected to the sewage drain (221), wherein the suction device is capable of sucking sewage dirt from the sewage drain and the filter is capable of filtering the dirt.
3. A floor cleaning device according to claim 1, further comprising a dust suction device having a dust suction hood (8), the dust suction hood (8) being provided with a dust suction opening (81), a dust suction channel (82) and an access opening (83), the dust suction opening (81) being provided at a front side of the roller brush (1), the dust suction opening (81) and the access opening (83) being communicated through the dust suction channel (82), the dust suction device being configured to suck dirt of a floor through the dust suction opening (81).
4. A floor cleaning device as claimed in claim 3, characterized in that the suction device further comprises a suction wand (9);
the dust collection rod (9) is detachably mounted on the access port (83), a dust collection cup (91) and a dust collection pump (92) are arranged on the dust collection rod (9), the dust collection cup (91) is communicated with the access port (83) through a dust collection pipeline, and the dust collection pump (92) can suck dirt into the dust collection cup (91) through the dust collection port (81);
the dust hood (8) is detachably arranged above the cleaning device and the water storage device;
the dust suction port (81) is configured to be foldable, collapsible, or detachable.
5. A floor cleaning device according to claim 1, characterized in that the cleaning means further comprise at least one pressure roller (4) and at least one first brush assembly;
the press roll (4) is pressed on the rolling brush (1), the press roll (4) is positioned above the washing component (2), and the press roll (4) can be rotatably arranged in the water blocking shell (3);
the first brush component is arranged between the compression roller (4) and the threaded conveying rod (21), is in contact with the rolling brush (1), and can scrape dirt on the rolling brush (1);
the contact tightness of the screw thread conveying rod (21) and the rolling brush (1) can be adjusted.
6. A floor cleaning device according to claim 5, characterized in that the conveyor bar housing (22) is provided with a plurality of first protrusions (2221) at the position of the upper edge of the opening (222), the plurality of first protrusions (2221) being a first brush assembly, the first protrusions (2221) facing and contacting the roller brush; and/or
The first brush component is a brush (51), the brush (51) is rotatably arranged in the water retaining shell (3), a plurality of second protrusions (511) are arranged on the surface of the brush (51), and the second protrusions (511) are in contact with the rolling brush (1);
the contact tightness of the compression roller (4) and the rolling brush (1) can be adjusted.
7. A floor cleaning device according to claim 5, characterized in that the cleaning means comprises at least one second brush assembly (52);
the second brush component (52) is positioned on one side, far away from the first brush component, of the press roller (4), the second brush component (52) is rotatably installed in the water retaining shell (3), the second brush component (52) is a rod-shaped component with a plurality of wool tops arranged on the surface, and the wool tops are in contact with the rolling brush (1);
the surface of the rolling brush (1) is provided with a flannelette water absorption layer (11), the wool tops can be fluffed, the flannelette water absorption layer (11) can be fluffed, and the second brush component (52) is a rotary second brush component or a non-rotary second brush component.
8. A floor cleaning device according to claim 5, characterized in that the water storage means further comprises a clean water tank (72) and a water pump (73);
the water purifying tank (72) is arranged on one side, far away from the rolling brush (1), of the brushing assembly (2), the water purifying tank (72) is connected to a water inlet of the cleaning device through a water pump (73), and the water pump (73) can pump clean water in the water purifying tank (72) into the cleaning device.
9. A floor cleaning device according to claim 8, characterized in that the inner wall of the water retaining housing (3) is provided with at least one water replenishing opening facing the roller brush (1), and the water replenishing opening is connected with a clean water tank (72) through a clean water pipe; and/or
The conveying rod shell (22) is provided with a water inlet (223), the water inlet (223) is formed in one end, far away from the sewage outlet (221), of the conveying rod shell (22), and the water inlet (223) is connected with the water purifying tank (72) through a clean water pipe; and/or
The compression roller shell (4) is sleeved with a compression roller shell (41), a spiral groove is formed in the surface of the compression roller (4), a compression roller shell water inlet (411), a compression roller shell water replenishing port (412) and a compression roller shell water outlet (413) are formed in the compression roller shell (41), the compression roller shell water inlet (411) is located at one end of the compression roller shell (41), the compression roller shell water outlet (413) is located at the other end of the compression roller shell (41), the compression roller shell water outlet (413) is formed in the bottom of the compression roller shell (41), the compression roller shell water replenishing port (412) faces the rolling brush (1), and the compression roller shell water inlet (411) is connected with the purified water tank (72) through a clean water pipe; and/or
Brush (51) have well cavity, a plurality of mouth of a river (512) and at least one brush mouth of a river (513) of spilling, spill mouth of a river (512) and brush mouth of a river (513) all with well cavity is linked together, and is a plurality of spill mouth of a river (512) sets up on brush (51), brush mouth of a river (513) sets up in the one end of brush (51), brush mouth of a river (513) are connected with water purification case (72) through the clear water pipe.
10. The floor cleaning apparatus according to claim 8, further comprising a brush housing (53), wherein the brush housing (53) is accommodated in the water retaining housing (3), the brush (51) is rotatably installed in the brush housing (53), a second protrusion (511) on the brush (51) is spirally disposed on the brush (51), the brush housing (53) has a water inlet (531), a brush housing water replenishing port (532) and a water draining port, the water inlet (531) is disposed at one end of the brush housing (53), the brush housing water replenishing port (532) is opened toward the rolling brush (1), and the water inlet (531) is connected with the water purifying tank (72) through a clean water pipe.
11. A floor cleaning device according to claim 1, characterized by further comprising a driving device (6) and an electric storage assembly (61), wherein the driving device (6) can drive the roller brush (1) to rotate, and the electric storage assembly (61) is electrically connected with the driving device (6);
the thread conveying rod (21) is detachably arranged in the conveying rod shell (22);
a plurality of feather scoops (213) are arranged on the threaded conveying rod (21); and/or
The screw thread conveying rod (21) is a shaftless screw thread conveying rod (215).
12. The floor scrubbing apparatus of claim 5, wherein the cutting assembly comprises a press roller base, a press roller, a first cutting member, and a second cutting member;
the utility model discloses a cleaning device, including compression roller base, first shearing part, second shearing part, rolling brush, compression roller base demountable installation in cleaning device, the compression roller is rotatable to be installed in the compression roller base, first shearing part with second shearing part all is located the below of compression roller, second shearing part is located one side of compression roller is kept away from to first shearing part, first shearing part with the attached setting of second shearing part, first shearing part with the axis direction relative movement of rolling brush can be followed between the second shearing part.
13. The floor cleaning device of claim 12, wherein a spiral groove is formed in the surface of the press roller, a pin structure is arranged at a position of the second shearing part corresponding to the spiral groove, the pin structure is accommodated in the spiral groove, and the second shearing part can reciprocate along the axial direction of the press roller along with the rotation of the press roller;
the first shearing part is fixedly arranged on the press roller base;
and a second elastic component is also arranged between the press roller and the press roller base.
CN202220867621.XU 2021-04-16 2022-04-14 Ground cleaning equipment Active CN218552223U (en)

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CN202120785763 2021-04-16

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