EP4324375A1 - Bodenreinigungsvorrichtung mit frontstaubsammelfunktion - Google Patents

Bodenreinigungsvorrichtung mit frontstaubsammelfunktion Download PDF

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Publication number
EP4324375A1
EP4324375A1 EP22787633.1A EP22787633A EP4324375A1 EP 4324375 A1 EP4324375 A1 EP 4324375A1 EP 22787633 A EP22787633 A EP 22787633A EP 4324375 A1 EP4324375 A1 EP 4324375A1
Authority
EP
European Patent Office
Prior art keywords
rolling brush
water
housing
hairbrush
conveying rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP22787633.1A
Other languages
English (en)
French (fr)
Inventor
Xiaosong Wang
Linling QIN
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Suzhou Xinqingsong Intelligent Technology Co Ltd
Original Assignee
Suzhou Xinqingsong Intelligent Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Suzhou Xinqingsong Intelligent Technology Co Ltd filed Critical Suzhou Xinqingsong Intelligent Technology Co Ltd
Publication of EP4324375A1 publication Critical patent/EP4324375A1/de
Pending legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/24—Floor-sweeping machines, motor-driven
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
    • A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
    • A47L11/302—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction having rotary tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
    • A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4036—Parts or details of the surface treating tools
    • A47L11/4041—Roll shaped surface treating tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4063—Driving means; Transmission means therefor
    • A47L11/4069—Driving or transmission means for the cleaning tools
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/408—Means for supplying cleaning or surface treating agents
    • A47L11/4083—Liquid supply reservoirs; Preparation of the agents, e.g. mixing devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
    • A47L11/4094—Accessories to be used in combination with conventional vacuum-cleaning devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L5/00—Structural features of suction cleaners
    • A47L5/12—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum
    • A47L5/22—Structural features of suction cleaners with power-driven air-pumps or air-compressors, e.g. driven by motor vehicle engine vacuum with rotary fans
    • A47L5/225—Convertible suction cleaners, i.e. convertible between different types thereof, e.g. from upright suction cleaners to sledge-type suction cleaners

Definitions

  • This utility model relates to the field of ground cleaning, and in particular to a ground cleaning apparatus having a front dust collection function.
  • the “dryness” means that there are few water stains left on a rolling brush treated by a pressure roller.
  • the “cleanliness” means that the dirt on the ground can be conveyed through a threaded conveying rod and treated thoroughly, and sweeping and mopping are integrated.
  • the “self-cleanliness” means that the rolling brush can achieve a self-cleaning process by way of clean water transportation and pressure roller squeezing.
  • the surface of the rolling brush is pressed together, such that the ability of the rolling brush to adsorb dirty water and dirt is extremely reduced.
  • the pressure roller and the rolling brush rotate at a relatively high speed and generate a lot of accumulated water which is easy to splash, such that extra water stains are easily generated.
  • this utility model provides a cleaning apparatus which performs dry suction first and then performs wet mopping, is flexible in configuration, simple in structure and convenient to use, and achieves functions of "dryness”, “cleanliness” and “self-cleanliness”.
  • a specific technical solution is as follows:
  • the dust collection device is further provided with a dust collection cover, the dust collection cover is provided with a dust suction channel and an access port, and the dust suction port is connected to the access port through the dust suction channel; and the dust suction port is configured to be foldable, retractable or detachable.
  • the dust collection device further includes dust suction rod, where
  • the cleaning device further includes at least one pressure roller and at least one first hairbrush assembly, where
  • the conveying rod housing is provided with multiple first protrusions at an upper edge position of the opening, the multiple first protrusions are the first hairbrush assemblies, and the first protrusions face the rolling brush and are in contact with the rolling brush; and/or
  • the cleaning device includes at least one second hairbrush assembly, where
  • the water storage device further includes a clean water tank, where the clean water tank is arranged on a side, away from the rolling brush, of the washing assembly, and the clean water tank is connected to a water inlet through a clean water pipe.
  • the water storage device further includes a water pump, where the water pump is arranged between the clean water tank and the cleaning device, and the water pump is configured to pump clean water in the clean water tank into the cleaning device.
  • At least one water supplementing port is formed in an inner wall of the water retaining housing, the water supplementing port faces the rolling brush, and the water supplementing port is connected to the clean water tank through the clean water pipe;
  • the ground cleaning apparatus having a front dust collection function further includes a hairbrush housing, where the hairbrush housing is accommodated in the water retaining housing, the hairbrush is rotatably mounted in the hairbrush housing, the second protrusions on the hairbrush are spirally arranged on the hairbrush, the hairbrush housing has a water inlet, a water supplementing port of the hairbrush housing and a drain opening, the water inlet is formed at one end of the hairbrush housing, the water supplementing port of the hairbrush housing faces the rolling brush, and the water inlet is connected to the clean water tank through the clean water pipe.
  • a hollowed structure is arranged at a position, close to the opening at a top of the conveying rod housing; and/or
  • the ground cleaning apparatus having a front dust collection function further includes a driving device, where the driving device is configured to drive the rolling brush to rotate; and multiple tufts are arranged on the threaded conveying rod.
  • the ground cleaning apparatus having a front dust collection function further includes an electricity storage assembly, and the electricity storage assembly is electrically connected to the driving device.
  • the threaded conveying rod is a shaftless threaded conveying rod; and an inclined plate extends outwards from a lower edge of the opening, and the inclined plate extends towards a bottom of the rolling brush.
  • the technical solution of the ground cleaning apparatus having a front dust collection function in the patent at least has the following one or more beneficial effects:
  • the dust suction port of the apparatus is formed in front of the cleaning device which performs dry suction first and then performs wet mopping.
  • the cleaning device sucks particle dirt on the ground first and then only needs to clean dirty water and a small amount of dirt, such that the damage to the cleaning device caused by large particle dirt is reduced, and the service life of the cleaning device is prolonged.
  • the cleaning device performs dry suction and wet mopping separately, such that the cleaning effect is better.
  • an access port of a dust collection cover can be flexibly adapted to the dust collection device.
  • the dust suction rod in the patent can be adapted and a common vacuum cleaner on the current market can be adapted as well. Old stuffs of users can be reused, and the apparatus is high in universality.
  • the patent can achieve "dryness”, “cleanliness” and “self-cleanliness”.
  • the “dryness” means that there are few water stains left on a rolling brush treated by a pressure roller.
  • the “cleanliness” means that the dirt on the ground can be conveyed through a threaded conveying rod and treated thoroughly, and sweeping and mopping are integrated.
  • the “self-cleanliness” means that the rolling brush can achieve a self-cleaning process by way of clean water supplementation by the rolling brush and pressure roller squeezing in the patent.
  • the patent provides various water supplementation modes, which helps to achieve self-cleanliness.
  • the patent further accords with an ergonomic design, improves the user experience greatly, and overcomes defects of an existing product.
  • the first hairbrush assemblies are additionally arranged.
  • Protrusions such as the first protrusions or second protrusions on the first hairbrush assemblies and the rolling brush form point-to-face contacts.
  • flexible dirt such as hairs and noodles adhered to the rolling brush cannot be removed by way of an acting force of the face-to-face contact formed by the water scraping strip or the pressure rod, and the flexible dirt is even squeezed and attached to the rolling brush more firmly.
  • the protrusions or second protrusions thereon are configured to hook off the flexible dirt adhered to the rolling brush, such that the first hairbrush assemblies are configured to remove dirt on the rolling brush more effectively and thoroughly, thereby effectively improving the removal effect of the dirt on the rolling brush.
  • the surface of the rolling brush is clean continuously, which helps to improve the ground cleaning effect.
  • the first hairbrush assemblies cannot only remove the flexible dirt, but also remove the particle dirt more easily.
  • the hairbrush is additionally arranged to prevent water accumulation which will be formed below the pressure roller because the pressure roller and the rolling brush squeeze and rotate relatively at a high speed, which plays a guiding role.
  • the rolling brush rotates to drive the hairbrush to rotate to throw the dirty water or dirt squeezed by the pressure roller into the conveying rod housing, such that the dirt on the surface of the rolling brush can be eliminated.
  • the lint water absorption layer on the surface of the rolling brush presses a rolling shaft.
  • the second hairbrush assembly in contact with the rolling brush is arranged on the surface of the rolling brush, the wool tops on the second hairbrush assembly scrape the lint water absorption layer, such that the pressed lint water absorption layer becomes fluffy.
  • the fluffy lint water absorption layer is configured to adsorb the dirty water and dirt on the ground well. Therefore, the first hairbrush assemblies and the second hairbrush assembly both help the rolling brush improve the cleaning ability greatly.
  • the water supplementation modes include one of or more of water supplementation from the water retaining housing, water supplementation from the conveying rod housing, water supplementation from the hairbrush, water supplementation from the hairbrush housing and water supplementation from the pressure roller arbitrarily, and a free combination thereof, such that the accessories of the apparatus are flexibly configured.
  • the threaded conveying rod is arranged.
  • the threaded conveying rod and the rolling brush rotate relatively to squeeze each other, such that the resistance of the rolling brush is reduced, and the driving power of the rolling brush can be saved. Moreover, rotary squeezing does not damage the surfaces of the rolling brush and the threaded conveying rod, such that the service life of the product is prolonged.
  • the threaded conveying rod conveys the dirty water and dirt squeezed by the rolling brush to the dirt outlet at the other end from one end of the threaded conveying rod along the threaded groove, which facilitates self-cleanliness of the rolling brush.
  • the dirt outlet and the water inlet can be preferably formed at both ends of the threaded conveying rod to save the space, which facilitates a miniaturized or diverse design of the product.
  • the surface of the threaded conveying rod is protruding and recessed, and when the threaded conveying rod presses the rolling brush and rotates, the protruding and recessed surface of the threaded conveying rod kneads, pats, and squeezes the rolling brush, such that the cleaning and drying effects of the surface of the rolling brush are better.
  • the threaded conveying rod squeezes the rolling brush to squeeze the dirty water and dirt on the rolling brush, such that the rolling brush is in a semi-wet, micro-wet or micro-dry state. The cleaning and decontaminating abilities of the drier rolling brush are further facilitated.
  • the pressure roller is arranged to squeeze the rolling brush to remove the dirty water.
  • the pressure roller squeezes the rolling brush and rotates reverse to the rolling brush to form rotary squeezing of two cylinders.
  • the driving power of the rolling brush is less in loss, such that the requirement on the driving power of the rolling brush is reduced.
  • the rotary squeeze is not prone to damage the surfaces of the rolling brush and the pressure roller, such that the service life of the product is prolonged favorably.
  • the pressure roller further squeezes the rolling brush, such that the rolling brush is squeezed to a micro-wet, micro-dry and even semi-dry state and can block large particle dirt, and therefore, the work efficiency and the cleaning effect of the rolling brush are improved more effectively.
  • the degree of tightness of the pressure roller and the rolling brush can be adjusted according to an actual using condition, such that the optimum cleaning effect is achieved.
  • the ground cleaning apparatus having a front dust collection function in the patent features simple and compact structure.
  • the product structure is simplified and the cost is lowered favorably.
  • the weight and volume of the apparatus is reduced. It is more convenient for a user to take and use the ground cleaning apparatus having a front dust collection function.
  • a ground cleaning apparatus having a front dust collection function provided in this embodiment includes a cleaning device, a water storage device and a dust collection device.
  • the cleaning device includes a rolling brush 1, a washing assembly 2, a water retaining housing 3, a pressure roller 4, first hairbrush assemblies, a second hairbrush assembly 52 and a driving device 6.
  • the rolling brush 1 and the washing assembly 2 are both mounted in the water retaining housing 3.
  • the rolling brush 1 is a rotatable water-absorbing rolling brush.
  • the washing assembly 2 is arranged on one side of the rolling brush 1.
  • the washing assembly 2 includes a conveying rod housing 22 and a threaded conveying rod 21 rotatably mounted in the conveying rod housing 22.
  • the conveying rod housing 22 is provided with a dirt outlet 221 in a rotary conveying direction of the threaded conveying rod 21.
  • the conveying rod housing 22 is provided with an opening 222 toward a direction of the rolling brush 1.
  • the water retaining housing 3 is arranged in a sealing fit with the conveying rod housing 22.
  • the water retaining housing 3 and the conveying rod housing 22 are configured to prevent water and dirt from spilling out.
  • the water storage device is provided with a dirty water tank 71 and a clean water tank 72.
  • the dirty water tank 71 and a clean water tank 72 are both arranged on a side, away from the rolling brush 1, of the washing assembly 2.
  • the dirt outlet 221 is connected to the dirty water tank 71 through a blowoff pipe.
  • the clean water tank 72 is connected to the cleaning device through a clean water pipe. Clean water conveyed by the clean water tank 72 is configured to clean the rolling brush 1.
  • a water pump 73 is arranged between the clean water tank 72 and the cleaning device. The water pump 73 is configured to pump the clean water in the clean water tank 72 into the cleaning device.
  • a dirty water pump can be further arranged to pump the dirty water and dirt into the dirty water tank 71 through the dirt outlet 221.
  • the dust collection device has a dust collection cover 8 and a dust suction rod 9.
  • the dust collection cover 8 is provided with a dust suction port 81, a dust suction channel 82 and an access port 83.
  • the dust suction port 81 is arranged on a front side of the rolling brush 1, and the dust collection device sucks dirt on the ground by way of the dust suction port 81.
  • the dust suction port 81 has foldable, retractable or detachable functions. A suction opening can be folded in case of dirty water, such that the dirty water is prevented from entering the suction opening to damage a suction device.
  • the dust suction port 81 and the access port 83 are connected through the dust suction channel 82, the access port 83 is arranged above the dust collection cover, and the dust collection cover 8 is detachably arranged above the cleaning device and the water storage device.
  • the dust suction rod 9 is detachably mounted at the access port 83, the dust suction rod 9 is provided with a dust cup 91, a dust suction pump 92 and a handle 93, the dust cup 91 is connected to the access port 83 through a dust collecting pipeline, the dust suction pump 92 is configured to pump the dirt into the dust cup 91 by way of the dust suction port 81, and the handle 93 is arranged at an end away from the dust suction port 81, of the dust suction rod 9.
  • the ground cleaning apparatus further includes rollers 84, the rollers 84 are respectively mounted on both sides of the water storage device or the dust collection cover 8, and the rollers 84 are away from one end of the dust suction port 81.
  • the cleaning device includes a rolling brush 1, washing assembly 2, a water retaining housing 3, pressure rollers 4, first hairbrush assemblies and a second hairbrush assembly 52.
  • the rolling brush 1 is a water-absorbing rolling brush, and the rolling brush 1 is rotatably mounted on inner walls of both sides of the water retaining housing 3.
  • the rolling brush 1 is the water-absorbing rolling brush.
  • the rolling brush usually includes a water-absorbing plush cotton rolling brush or a water-absorbing sponge rolling brush such as polyvinyl alcohol sponge.
  • the rolling brush 1 includes a rolling shaft 12 and a flexible cleaning layer.
  • the flexible cleaning layer is detachably sleeved over the rolling shaft 11.
  • the flexible cleaning layer is a lint water absorption layer 11 or a water-absorbing rubber layer.
  • the flexible cleaning layer can also be made of other water-absorbing materials.
  • the rolling brush or mop in the related art is manually cleaned. Even if part of products claim to have the self-cleaning function, the actual effect is poor.
  • the washing assembly 2 is arranged on one side of the rolling brush 1. As shown in FIG. 8 , the washing assembly 2 is rotatably mounted on inner walls of both sides of the water retaining housing 3.
  • the washing assembly 2 includes a threaded conveying rod 21 and a conveying rod housing 22. As shown in FIG. 9 to FIG. 10 , the threaded conveying rod 21 is arranged in proximity to or attached to the rolling brush 1.
  • the conveying rod housing 22 is provided with a semiclosed cavity.
  • the threaded conveying rod 21 is rotatably mounted in the semiclosed cavity of the conveying rod housing 22.
  • the threaded conveying rod 21 is arranged in proximity to or attached to an inner wall of the conveying rod housing 22 in a fit manner.
  • the conveying rod housing 22 is provided with a dirt outlet 221 in a rotary conveying direction of the threaded conveying rod 21.
  • the conveying rod housing 22 is provided with an opening 222 toward a direction facing the rolling brush 1.
  • the threaded conveying rod 21 is provided with at least one threaded groove 211.
  • the threaded conveying rod 21 is configured to convey the dirty water and dirt to the other end from one end.
  • the threaded conveying rod 21 is detachably mounted in the conveying rod housing 22.
  • the threaded conveying rod 21 and the conveying rod housing 22 are coaxially arranged.
  • a center axis direction of the washing assembly 2 is consistent with that of the rolling brush 1.
  • An outer diameter of the rolling brush 1 is greater than that of the threaded conveying rod 21.
  • the rolling brush mops the floor in a humid state to clean the ground.
  • the dirty water on the rotary rolling brush and the clean water are continuously replaced through the threaded conveying rod 21, such that the dirty water and dirt are drained to the dirty water tank or other designated spots through the semiclosed cavity, and moreover, the self-cleaning function of the rolling brush is achieved.
  • the above structure is quite simple and compact, such that the product structure is simplified and the cost is lowered favorably.
  • the threaded conveying rod 21 is a strip-shaped member provided with the threaded groove 211 on the surface.
  • the threaded conveying rod 21 includes a main shaft 214 and thread protrusions 212.
  • the thread protrusions 212 are spirally wound to the other end from one end of the main shaft 214.
  • the threaded groove 211 is formed between the thread protrusions 212.
  • the arrangement direction of the threaded groove can be adaptively adjusted according to the rotating direction and the transmission direction of the threaded conveying rod 21.
  • the main shaft 214 can also be provided with multiple thread protrusions 212, that is, the multiple thread protrusions 212 form multiple different threaded grooves 211.
  • the rotating directions of the threaded conveying rod 21 and the rolling brush 1 are opposite, such that the rotating resistance of the rolling brush 1 is reduced.
  • the threaded conveying rod is arranged in proximity to or attached to the rolling brush and rotates reverse to the rolling brush.
  • the threaded conveying rod and the rolling brush form two cylinders which rotate relatively to squeeze each other, such that the resistance applied to the rolling brush is small, and therefore, the power loss of the rolling brush is small, the driving power of the rolling brush can be saved, the surfaces of the rolling brush and the threaded conveying rod are not damaged, and the service life of the product is prolonged.
  • the threaded conveying rod 21 is arranged in proximity to or attached to the rolling brush 1. In an embodiment, the threaded conveying rod 21 is arranged in proximity to the rolling brush 1. The dirty water and dirt on the rolling brush fall into the conveying rod housing 22 through the opening 222. The threaded conveying rod 21 conveys the dirty water and dirt to the other end from one end of the conveying rod housing 22. In another embodiment, the threaded conveying rod 21 is arranged in contact with the rolling brush 1. The threaded conveying rod 21 cannot only convey the dirty water and dirt to the other end from one end of the conveying rod housing 22, but also convey the clean water at one end of the conveying rod housing 22. The clean water is rotatably conveyed through the threaded conveying rod 21.
  • the clean water is in contact with the surface of the rolling brush 1 to clean the rolling brush.
  • the threaded conveying rod and the rolling brush are in pressure contact, so as to better squeeze the water on the rolling brush and peel the dirt on the rolling brush.
  • a degree of tightness of contact between the threaded conveying rod 21 and the rolling brush 1 can be adjusted by an adjusting member.
  • the threaded groove is formed on the threaded conveying rod.
  • the threaded conveying rod conveys the dirty water and dirt squeezed by the rolling brush to the dirt outlet at the other end from one end of the threaded conveying rod along the threaded groove, such that the dirt outlet and the water inlet can be preferably formed in both ends of the threaded conveying rod to save the space, which facilitates a miniaturized or diverse design of the product.
  • the dirt outlet and the water inlet can also be formed in other parts.
  • the spiral groove is formed on the threaded conveying rod, such that the surface of the threaded conveying rod is protruding and recessed.
  • the threaded conveying rod presses the rolling brush and rotates, the protruding and recessed surface of the threaded conveying rod kneads, pats, and squeezes the rolling brush, such that the scrubbing and drying effects of the surface of the rolling brush are better.
  • the threaded conveying rod squeezes the rolling brush to squeeze the dirty water and dirt on the rolling brush, such that the rolling brush is in a semi-wet, micro-wet or micro-dry state, which further facilitates self-cleanliness or automatic squeezing of the rolling brush.
  • the threaded conveying rod 21 is provided with multiple tufts 213.
  • the tufts 213 are arranged in the threaded grooves 211 and/or the thread protrusions 212 formed between the threaded grooves 211.
  • the tufts 213 are arranged on the thread protrusions 212.
  • the tufts 213 can improve a friction force between the threaded conveying rod 21 and the rolling brush 1, so as to prevent a situation that the threaded conveying rod cannot follow the rolling brush 1 to rotate due to slip.
  • the threaded conveying rod 21 is a shaftless threaded conveying rod 215.
  • a purpose of the threaded conveying rod 21 according to this utility model is as follows:
  • the threaded conveying rod 21 presses or is in contact with the rolling brush 1.
  • the degree of squeezing of the threaded conveying rod to the rolling brush is adjusted by the adjusting member.
  • the protruding and recessed surface of the threaded conveying rod squeezes, kneads and pats the flexible cleaning layer on the surface of the rolling brush to squeeze the dirty water and dirt on the rolling brush 1 to flow into the threaded groove 21 of the threaded conveying rod 21.
  • the dirty water and dirt in the threaded groove 21 is spirally conveyed to the other end from one end of the threaded conveying rod 21.
  • the clean water can also be conveyed from one end of the threaded conveying rod 21.
  • the threaded conveying rod 21 rotates and squeezes the rolling brush, the clean water is conveyed to the rolling brush in contact with the threaded conveying rod, such that the water is replaced to wash the rolling brush.
  • the dirty water and particle dirt on the rolling brush are conveyed to the other end of the threaded conveying rod, such that the self-cleaning function of the rolling brush is achieved.
  • One side of the water retaining housing 3 covers a side, away from the conveying rod housing 22, of the rolling brush 1.
  • the other side of the water retaining housing 3 extends to the conveying rod housing 22.
  • the water retaining housing 3 is arranged in a sealing fit with the conveying rod housing 22.
  • the water retaining housing 3 is configured to prevent overflow of the dirty water and dirt.
  • the pressure rollers 4 are rotatably mounted on inner walls of both sides of the water retaining housing 3. Each of the pressure rollers 4 presses the rolling brush 1.
  • the pressure roller 4 is located above the washing assembly 2. Preferably, an outer diameter of the rolling brush 1 is greater than that of the pressure roller 4 and multiple pressure rollers 4 can be provided.
  • the pressure roller 4 is arranged to further squeeze the rolling brush 1, such that the squeezing effect of the rolling brush 1 is better, and water stains left on the cleaned ground are avoided or reduced. In addition, the particle dirt adhered to the surface of the rolling brush is further blocked.
  • the pressure roller 4 is in pressure contact with the rolling brush 1 through the adjusting member.
  • the adjusting member can adjust the degree of tightness between the pressure roller 4 and the rolling brush 1.
  • the adjusting member is preferably an elastic mechanism with certain elasticity.
  • the elastic mechanism can be a component with certain elasticity such as a pressure spring or a spring.
  • the adjusting member can also be an adjusting valve.
  • the adjusting member configured to adjust the pressure roller 4 and the rolling brush 1 is a pressure spring 43. Both ends of the pressure roller 4 are mounted in mounting holes of the water retaining housing 3.
  • the pressure spring is arranged in each of the mounting holes.
  • the pressure spring 43 squeezes the pressure roller 4 on the rolling brush 1.
  • the rotating direction of the pressure roller 4 is opposite to that of the rolling brush 1, so as to reduce the resistance when the rolling brush rotates.
  • a hollowed structure is arranged at a position, close to the opening 222 at a top of the conveying rod housing 22; and/or a gap is arranged between an upper edge of the opening 222 and the rolling brush 1; and the dirty water and dirt squeezed by the pressure roller 4 enter the conveying rod housing 22 through the hollowed structure or the gap.
  • a perforated dirt outlet 221 is formed in the conveying rod housing 22 along the rotary conveying direction of the threaded conveying rod 21. After the dirty water and dirt are conveyed by the threaded conveying rod 21 to the other end from one end, the dirty water and dirt are discharged from the dirt outlet 221.
  • a water inlet 223 is further formed in an end, away from the dirt outlet 221, of the conveying rod housing 22.
  • the dirt outlet 221 is formed in an end of the conveying rod housing 22 or on a side wall of the conveying rod housing 22. In a similar way, the water inlet 223 can also be formed in the end of the conveying rod housing 22 or on the side wall of the conveying rod housing 22.
  • the opening 222 is formed in a side, facing the rolling brush 1, of the conveying rod housing 22.
  • An inclined plate 2222 extends outwards from a lower edge of the opening 222, and the inclined plate 2222 extends toward a bottom of the rolling brush 1.
  • the inclined plate 2222 is in contact with or is close to the ground.
  • the inclined plate 2222 is in contact with the ground, the inclined plate 2222 can scoop up the dirty water and dirt on the ground, and a gap is formed between the inclined plate 2222 and the rolling brush 1, such that the dirty water and dirt can enter into the conveying rod housing 22 through the gap.
  • the length of the inclined plate 2222 is consistent with that of the opening.
  • the length direction of the opening 222 is consistent with that of the conveying rod housing 22, and the length of the opening 222 is not less than that of the rolling brush 1.
  • the length of the opening 222 is less than that of the rolling brush 11, which can also be implemented as a non-preferred design solution.
  • the length of the opening 222 is consistent with that of the rolling brush 1.
  • the working principle of the pressure roller 4 according to this utility model is as follows: The pressure roller 4 presses the rolling brush 1. The degree of squeezing of the pressure roller 4 to the rolling brush 1 is adjusted by the adjusting member. The pressure roller 4 squeezes the rolling brush 1 again to decontaminate, so as to squeeze the dirty water and dirt on the rolling brush 1. The squeezed dirty water and dirt flow into the threaded groove 21 of the threaded conveying rod 21 along the surface of the rolling brush 1.
  • the cleaning device is provided with at least one first hairbrush assembly.
  • the first hairbrush assembly is between the pressure roller 4 and the threaded conveying rod 21.
  • the first hairbrush assembly is configured to scrape dirt on the rolling brush 1.
  • Two embodiments for the first hairbrush assembly are provided.
  • the conveying rod housing 22 is provided with multiple first protrusions 2221 at an upper edge position of the opening 222, the multiple first protrusions 2221 are the first hairbrush assemblies, and the first protrusions 2221 face the rolling brush and are in contact with the rolling brush.
  • the first protrusions 2221 can scrape dirt on the rolling brush 1.
  • the first hairbrush assembly is a hairbrush 51. As shown in FIG.
  • the hairbrush 51 is rotatably mounted in the water retaining housing 3, multiple second protrusions 511 are arranged on a surface of the hairbrush 51, and the second protrusions 511 are in contact with the rolling brush 1.
  • the second protrusions 511 can scrape dirt on the rolling brush 1.
  • the two types of first hairbrush assemblies can be both arranged.
  • the first hairbrush assembly is arranged to brush the particulate matters or flexible particulate matters on the rolling brush. When the pressure roller and the rolling brush rotate at a relatively high speed, a lot of accumulated water is generated below the pressure roller.
  • the first hairbrush assembly is arranged below the pressure roller.
  • the hairbrush can drain the accumulated water to the conveying rod housing to prevent the accumulated water from splashing.
  • the first hairbrush assembly also can play a role of fluffing the lint water absorption layer.
  • the cleaning device further includes a second hairbrush assembly 52.
  • the second hairbrush assembly 52 is located on a side, away from the first hairbrush assembly, of the pressure roller 4.
  • the second hairbrush assembly 52 is rotatably mounted in the water retaining housing 3.
  • the second hairbrush assembly 52 is a rod-shaped member provided with multiple wool tops on a surface thereof, and the wool tops are in contact with the rolling brush 1.
  • the lint water absorption layer 11 is arranged on a surface of the rolling brush 1, the wool tops are configured to fluff the lint water absorption layer 11, and the second hairbrush assembly 52 is a rotary second hairbrush assembly or non-rotary second hairbrush assembly.
  • the cleaning device is further provided with the self-cleaning function.
  • the clean water is supplemented to the rolling brush while the rolling brush cleans the dirty water and dirt to achieve the self-cleaning function of the rolling brush, which helps to clean the ground better and cleaner.
  • the following one or more water supplementation modes of the rolling brush are provided:
  • the conveying rod housing 22 is provided with a water inlet 223.
  • the water inlet 223 is formed at an end, away from the dirt outlet 221, of the conveying rod housing 22, and the water inlet 223 is connected to the clean water tank 72 through the clean water pipe.
  • the dirty water and dirt are rotatably conveyed by the threaded conveying rod 21 to one end of the dirt outlet 221 from one end of the water inlet 223 of the conveying rod housing 22.
  • At least one water supplementing port is formed in the inner wall of the water retaining housing 3.
  • the water supplementing port faces the rolling brush 1.
  • the water supplementing port is connected to the clean water tank 72 through the clean water pipe.
  • the water supplementing port is between the washing assembly 2 and the pressure roller.
  • the hairbrush housing 53 is sleeved over the hairbrush 51. As shown in FIG. 14 , the hairbrush housing 53 is accommodated in the water retaining housing 3. The second protrusions 511 on the hairbrush 51 are spirally arranged on the hairbrush 51. The hairbrush 51 is rotatably mounted in the hairbrush housing 53.
  • the hairbrush housing 53 has a water inlet 531 and a water supplementing port 532 of the hairbrush housing.
  • the water inlet 531 is formed at one end of the hairbrush housing 53, the water supplementing port 532 of the hairbrush housing faces the rolling brush 1, and the water inlet 531 is connected to the clean water tank 72 through the clean water pipe.
  • a pressure roller housing 41 is sleeved over the pressure roller 4. As shown in FIG. 16 to FIG. 17 , a spiral groove is formed in the surface of the pressure roller 4. The spiral groove can convey the water to the other end from one end as the pressure roller 4 rotates.
  • the pressure roller housing 41 is provided with a water inlet 411 of the pressure roller housing, a water supplementing port 412 of the pressure roller housing and a drainage outlet 413 of the pressure roller housing.
  • the water inlet 411 of the pressure roller housing is located at one end of the pressure roller housing 41, the drainage outlet 413 of the pressure roller housing is located at the other end of the pressure roller housing 41, the drainage outlet 413 of the pressure roller housing is formed at a bottom of the pressure roller housing 41, the water supplementing port 412 of the pressure roller housing faces the rolling brush 1, and the water inlet 411 of the pressure roller housing is connected to the clean water tank 72 through the clean water pipe.
  • the hairbrush 51 has a hollow cavity, multiple watering ports 512 and at least one hairbrush water gap 513.
  • the watering ports 512 and the hairbrush water gap 513 are both connected to the hollow cavity, the length direction of the hollow cavity is consistent with that of the hairbrush 51, the multiple watering ports 512 are arranged on the hairbrush 51, the hairbrush water gap 513 is arranged at one end of the hairbrush 51, and the hairbrush water gap 513 is connected to the clean water tank 72 through the clean water pipe.
  • the water supplementation mode of the rolling brush can be any one water supplementation mode above or a free combination of any two or more of water supplementation modes above.
  • the ground cleaning apparatus having a front dust collection function further includes a driving device 6.
  • the driving device 6 is configured to drive the rolling brush 1 to rotate.
  • the driving device 6 can be connected to the rolling brush 1. As shown in FIG. 4 to FIG. 5 and FIG. 7 , the driving device 6 drives the rolling brush 1 to rotate. The rolling brush rotates to drive the threaded conveying rod 21 to rotate in a reverse direction, such that the threaded conveying rod 21 has the function of conveying water and dirt.
  • the driving device 6 can also be arranged inside the rolling shaft 12 of the rolling brush 1.
  • the rolling brush 1 is connected to one driving device
  • the threaded conveying rod 21 is connected to the other driving device
  • the rolling brush and the threaded conveying rod 21 are both driven by the driving devices to rotate.
  • the rolling brush 1 is not provided with a direct driving device.
  • the driving device is directly connected to the threaded conveying rod 21, and the threaded conveying rod 21 rotates to drive the rolling brush 1 to rotate in the reverse direction.
  • the rolling brush 1 and the threaded conveying rod 21 are both not provided with the driving devices.
  • the rolling brush When the apparatus is used by a user, and the cleaning device is pushed forward, the rolling brush is driven to rotate.
  • the rolling brush rotates to drive the threaded conveying rod 21 to rotate in a reverse direction, such that the threaded conveying rod 21 has the function of conveying water and dirt.
  • the driving device in a case of the pressure roller, and/or another driving device, can be connected to the pressure roller 4 and drives the pressure roller 4 to rotate.
  • the ground cleaning apparatus having a front dust collection function further includes an electricity storage assembly 61, and the electricity storage assembly 61 is electrically connected to the driving device 6.
  • the ground cleaning apparatus having a front dust collection function further includes a cover housing 62.
  • the driving device and the electricity storage assembly are both arranged on the water retaining housing 3.
  • the length directions of the driving device and the electricity storage assembly are consistent with that of the rolling brush.
  • the cover housing 62 covers the driving device 6 and the electricity storage assembly 61.
  • the cover housing is in close fit to a top of the water retaining housing 3.
  • the technical solution of the ground cleaning apparatus having a front dust collection function in the patent at least has the following one or more beneficial effects:
  • the dust suction port of the apparatus is formed in front of the cleaning device which performs dry suction first and then performs wet mopping.
  • the cleaning device sucks particle dirt on the ground first and then only needs to clean dirty water and a small amount of dirt, such that the damage to the cleaning device caused by large particle dirt is reduced, and the service life of the cleaning device is prolonged.
  • the cleaning device performs dry suction and wet mopping separately, such that the cleaning effect is better.
  • an access port of a dust collection cover can be flexibly adapted to the dust collection device.
  • the dust suction rod in the patent can be adapted and a common vacuum cleaner on the current market can be adapted as well. Old stuffs of users can be reused, and the apparatus is high in universality.
  • the patent can achieve "dryness”, “cleanliness” and “self-cleanliness”.
  • the “dryness” means that there are few water stains left on a rolling brush treated by a pressure roller.
  • the “cleanliness” means that the dirt on the ground can be conveyed through a threaded conveying rod and treated thoroughly, and sweeping and mopping are integrated.
  • the “self-cleanliness” means that the rolling brush can achieve a self-cleaning process by way of clean water supplementation by the rolling brush and pressure roller squeezing in the patent.
  • the patent provides various water supplementation modes, which helps to achieve self-cleanliness.
  • the patent further accords with an ergonomic design, improves the user experience greatly, and overcomes defects of an existing product.
  • the first hairbrush assemblies are additionally arranged.
  • Protrusions such as the first protrusions or second protrusions on the first hairbrush assemblies and the rolling brush form point-to-face contacts.
  • flexible dirt such as hairs and noodles adhered to the rolling brush cannot be removed by way of an acting force of the face-to-face contact formed by the water scraping strip or the pressure rod, and the flexible dirt is even squeezed and attached to the rolling brush more firmly.
  • the protrusions or second protrusions thereon are configured to hook off the flexible dirt adhered to the rolling brush, such that the first hairbrush assemblies are configured to remove dirt on the rolling brush more effectively and thoroughly, thereby effectively improving the removal effect of the dirt on the rolling brush.
  • the surface of the rolling brush is clean continuously, which helps to improve the ground cleaning effect.
  • the hairbrush is additionally arranged to prevent water accumulation which will be formed below the pressure roller because the pressure roller and the rolling brush squeeze and rotate relatively at a high speed, which plays a guiding role.
  • the rolling brush rotates to drive the hairbrush to rotate to throw the dirty water or dirt squeezed by the pressure roller into the conveying rod housing, such that the dirt on the surface of the rolling brush can be eliminated.
  • the lint water absorption layer on the surface of the rolling brush presses a rolling shaft.
  • the second hairbrush assembly in contact with the rolling brush is arranged on the surface of the rolling brush, the wool tops on the second hairbrush assembly scrape the lint water absorption layer, such that the pressed lint water absorption layer becomes fluffy.
  • the fluffy lint water absorption layer is configured to adsorb the dirty water and dirt on the ground well. Therefore, the first hairbrush assemblies and the second hairbrush assembly both help the rolling brush improve the cleaning ability greatly.
  • the water supplementation modes include one of or more of water supplementation from the water retaining housing, water supplementation from the conveying rod housing, water supplementation from the hairbrush, water supplementation from the hairbrush housing and water supplementation from the pressure roller arbitrarily, and a free combination thereof, such that the accessories of the apparatus are flexibly configured.
  • the threaded conveying rod is arranged.
  • the threaded conveying rod and the rolling brush rotate relatively to squeeze each other, such that the resistance of the rolling brush is reduced, and the driving power of the rolling brush can be saved. Moreover, rotary squeezing does not damage the surfaces of the rolling brush and the threaded conveying rod, such that the service life of the product is prolonged.
  • the threaded conveying rod conveys the dirty water and dirt squeezed by the rolling brush to the dirt outlet at the other end from one end of the threaded conveying rod along the threaded groove, which facilitates self-cleanliness of the rolling brush.
  • the dirt outlet and the water inlet can be preferably formed at both ends of the threaded conveying rod to save the space, which facilitates a miniaturized or diverse design of the product.
  • the surface of the threaded conveying rod is protruding and recessed, and when the threaded conveying rod presses the rolling brush and rotates, the protruding and recessed surface of the threaded conveying rod kneads, pats, and squeezes the rolling brush, such that the cleaning and drying effects of the surface of the rolling brush are better.
  • the threaded conveying rod squeezes the rolling brush to squeeze the dirty water and dirt on the rolling brush, such that the rolling brush is in a semi-wet, micro-wet or micro-dry state. The cleaning and decontaminating abilities of the drier rolling brush are further facilitated.
  • the pressure roller is arranged to squeeze the rolling brush to remove the dirty water.
  • the pressure roller squeezes the rolling brush and rotates reverse to the rolling brush to form rotary squeezing of two cylinders.
  • the driving power of the rolling brush is less in loss, such that the requirement on the driving power of the rolling brush is reduced.
  • the rotary squeeze is not prone to damage the surfaces of the rolling brush and the pressure roller, such that the service life of the product is prolonged favorably.
  • the pressure roller further squeezes the rolling brush, such that the rolling brush is squeezed to a micro-wet, micro-dry and even semi-dry state and can block large particle dirt, and therefore, the work efficiency and the cleaning effect of the rolling brush are improved more effectively.
  • the degree of tightness of the pressure roller and the rolling brush can be adjusted according to an actual using condition, such that the optimum cleaning effect is achieved.
  • the ground cleaning apparatus having a front dust collection function in the patent features simple and compact structure.
  • the product structure is simplified and the cost is lowered favorably.
  • the weight and volume of the apparatus is reduced. It is more convenient for a user to take and use the ground cleaning apparatus having a front dust collection function.

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  • Cleaning In General (AREA)
  • Brushes (AREA)
EP22787633.1A 2021-04-16 2022-04-15 Bodenreinigungsvorrichtung mit frontstaubsammelfunktion Pending EP4324375A1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202120785763 2021-04-16
PCT/CN2022/087085 WO2022218411A1 (zh) 2021-04-16 2022-04-15 一种吸尘前置的地面清洁设备

Publications (1)

Publication Number Publication Date
EP4324375A1 true EP4324375A1 (de) 2024-02-21

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Family Applications (1)

Application Number Title Priority Date Filing Date
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CN (2) CN218552223U (de)
WO (1) WO2022218411A1 (de)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3932536B2 (ja) * 2002-12-20 2007-06-20 三菱電機株式会社 電気掃除機用吸込具
JP4549770B2 (ja) * 2004-08-06 2010-09-22 前澤工業株式会社 スクリューコンベア
JP2006306506A (ja) * 2005-04-26 2006-11-09 Nisshin Steel Co Ltd スクリュー移送装置
JP4680710B2 (ja) * 2005-07-29 2011-05-11 シャープ株式会社 クリーニングユニット
JP2007301960A (ja) * 2006-05-08 2007-11-22 Koike Seisakusho:Kk 印刷機のシリンダ洗浄装置
DE102006026837A1 (de) * 2006-06-09 2007-12-20 Technotrans Ag Reinigungsvorrichtung für Druckzylinder-Oberflächen
IT1402118B1 (it) * 2010-09-15 2013-08-28 Bettuzzi Macchina lavasciuga-spazzante.
CN204146956U (zh) * 2014-09-02 2015-02-11 番禺得意精密电子工业有限公司 智能清洁机器人
CN104805791A (zh) * 2015-05-04 2015-07-29 王锡山 一种全时城市道路清洁车及制造方法
CN206251896U (zh) * 2016-09-20 2017-06-16 贵州阳光食品有限公司 一种核桃加工用输送清洗机
CN110374159A (zh) * 2019-08-16 2019-10-25 河北工业大学 适用于水下清淤机器人的自清洗绞龙吸淤装置
CN212370742U (zh) * 2020-05-15 2021-01-19 贵州水矿奥瑞安清洁能源有限公司 一种用于煤层气油管的清洗钻具

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CN218552223U (zh) 2023-03-03

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