EP4324375A1

EP4324375A1 - Ground cleaning apparatus having front dust collection function

Info

Publication number: EP4324375A1
Application number: EP22787633.1A
Authority: EP
Inventors: Xiaosong Wang; Linling QIN
Original assignee: Suzhou Xinqingsong Intelligent Technology Co Ltd
Current assignee: Suzhou Xinqingsong Intelligent Technology Co Ltd
Priority date: 2021-04-16
Filing date: 2022-04-15
Publication date: 2024-02-21
Also published as: CN218552223U; CN115211761A; WO2022218411A1; EP4324375A4

Abstract

Disclosed is a ground cleaning apparatus having a front dust collection function, including a cleaning device, a water storage device and a dust collection device. The cleaning device includes a rolling brush (1), a washing assembly (2) and a water retaining housing (3). 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 the rotary conveying direction of the threaded conveying rod (21). The conveying rod housing (22) is provided with an opening (222). 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) can prevent water and dirt from spilling out. The water storage device is provided with a dirty water tank (71). The dust collection device is provided with a dust suction port (81). The dust suction port (81) is arranged on a front side of the rolling brush (1). The dust collection device sucks dirt on the ground by way of the dust suction port (81). Dry suction is performed first, and wet mopping is then performed, such that the service life of the cleaning device is prolonged, and the cleaning effect is better. An access port of a dust collection cover can be flexibly adapted to the dust collection device.

Description

TECHNICAL FIELD

This utility model relates to the field of ground cleaning, and in particular to a ground cleaning apparatus having a front dust collection function.

BACKGROUND

Almost all ground cleaning apparatuses for wet and dry dual use on the current market perform wet mopping first and then perform dry suction, that is, the ground cleaning apparatuses have rear dust collection functions. However, this may sometimes cause troubles: in a case of large particle hard dirt, the large particle dirt obstructs wet mopping or large particulate matters brought into a wet mopping device are easily stuck in the wet mopping device, such that the apparatuses cannot work and are even damaged.
In addition, there are scarcely cleaning apparatuses which can achieve cleaning effects of "dryness", "cleanliness" and "self-cleanliness" on the current market. 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.
Furthermore, after commonly scraped by a scraping strip, 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.
Therefore, in combination with the above technical problems, it is necessary to provide a new technical solution.

SUMMARY

To solve the technical problems in the related art, 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:

A ground cleaning apparatus having a front dust collection function is provided, including a cleaning device, a water storage device and a dust collection device, where
the cleaning device includes a rolling brush, a washing assembly and a water retaining housing; the rolling brush and the washing assembly are both mounted in the water retaining housing; the rolling brush is a rotatable water-absorbing rolling brush; the washing assembly is arranged on one side of the rolling brush; the washing assembly includes a conveying rod housing and a threaded conveying rod rotatably mounted in the conveying rod housing; the conveying rod housing is provided with a dirt outlet in a rotary conveying direction of the threaded conveying rod; the conveying rod housing is provided with an opening toward a direction of the rolling brush; the water retaining housing is arranged in a sealing fit with the conveying rod housing; and the water retaining housing and the conveying rod housing are configured to prevent water and dirt from spilling out;
the water storage device is provided with a dirty water tank, and the dirt outlet is connected to the dirty water tank through a blowoff pipe; and
the dust collection device is provided with a dust suction port, the dust suction port is arranged on a front side of the rolling brush, and the dust collection device sucks dirt on the ground by way of the dust suction port.

Further, 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.
Further, the dust collection device further includes dust suction rod, where

the dust suction rod is detachably mounted on the access port, a dust cup and a dust suction pump are arranged on the dust suction rod, the dust cup is connected to the access port through a dust collecting pipeline, and the dust suction pump is configured to suck dirt into the dust cup by way of the dust suction port; and
the dust collection cover is detachably arranged above the cleaning device and the water storage device.

Further, the cleaning device further includes at least one pressure roller and at least one first hairbrush assembly, where

the pressure roller presses the rolling brush, the pressure roller is located above the washing assembly, and the pressure roller is rotatably mounted in the water retaining housing;
the first hairbrush assembly is between the pressure roller and the threaded conveying rod, the first hairbrush assembly is in contact with the rolling brush, and the first hairbrush assembly is configured to scrape dirt on the rolling brush; and
a degree of tightness of contact between the threaded conveying rod and the rolling brush is adjustable.

Further, 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

each of the first hairbrush assemblies is a hairbrush, the hairbrush is rotatably mounted in the water retaining housing, multiple second protrusions are arranged on a surface of the hairbrush, and the second protrusions are in contact with the rolling brush; and
a degree of tightness of contact between the pressure roller and the rolling brush is adjustable.

Further, the cleaning device includes at least one second hairbrush assembly, where

the second hairbrush assembly is located on a side, away from the first hairbrush assembly, of the pressure roller, the second hairbrush assembly is rotatably mounted in the water retaining housing, the second hairbrush assembly 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; and
a lint water absorption layer is arranged on a surface of the rolling brush, the wool tops are configured to fluff the lint water absorption layer, and the second hairbrush assembly is a rotary second hairbrush assembly or non-rotary second hairbrush assembly.

Further, 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.
Further, 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.
Further, 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; and/or

the conveying rod housing is provided with a water inlet, the water inlet is formed at an end, away from the dirt outlet, of the conveying rod housing, and the water inlet is connected to the clean water tank through the clean water pipe; and/or
a pressure roller housing is sleeved over the pressure roller, the pressure roller has a spiral groove on a surface thereof, the pressure roller housing is provided with a water inlet of the pressure roller housing, a water supplementing port of the pressure roller housing and a drainage outlet of the pressure roller housing, the water inlet of the pressure roller housing is located at one end of the pressure roller housing, the drainage outlet of the pressure roller housing is located at an other end of the pressure roller housing, the drainage outlet of the pressure roller housing is formed at a bottom of the pressure roller housing, the water supplementing port of the pressure roller housing faces the rolling brush, and the water inlet of the pressure roller housing is connected to the clean water tank through the clean water pipe; and/or
the hairbrush has a hollow cavity, multiple watering ports and at least one hairbrush water gap, the watering ports and the hairbrush water gap are both connected to the hollow cavity, the multiple watering ports are arranged on the hairbrush, the hairbrush water gap is arranged at one end of the hairbrush, and the hairbrush water gap is connected to the clean water tank through the clean water pipe.

Further, 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.
Further, a hollowed structure is arranged at a position, close to the opening at a top of the conveying rod housing; and/or

a gap is arranged between an upper edge of the opening and the rolling brush; and
the threaded conveying rod is detachably mounted in the conveying rod housing.

Further, 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.
Further, 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.
Further, 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.
Compared with the related art, 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.
In the apparatus, 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. Compared with a face-to-face contact formed by a water scraping strip or the pressure rod and the rolling brush, 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. For the first hairbrush assemblies forming point-to-face contacts, 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. Of course, 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. Moreover, 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.
After the rolling brush is squeezed by the pressure rod or the water scraping strip to scrape the dirty water and dirt, the lint water absorption layer on the surface of the rolling brush presses a rolling shaft. When the pressed lint water absorption layer rotates forwards continuously to be in contact with the ground again, as the lint water absorption layer is pressed together, the ability of the rolling brush to adsorb the dirty water and dirt will be deteriorated obviously. Therefore, after the rolling brush is squeezed by the pressure rod, 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.
There are various optional solutions for the water supplementation modes of self-cleanliness of the rolling brush, which are flexible and diverse. 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.
The additional aspects and advantages of this utility model will be provided in the following description, some of which will become apparent from the following description or may be learned from practices of this utility model.

BRIEF DESCRIPTION OF THE DRAWINGS

To more clearly illustrate the technical solutions of this utility model, the drawings required in the embodiments will be briefly introduced below. It is apparent that the drawings in the following description are only some embodiments of this utility model, and for those of ordinary skill in the art, other drawings can also be obtained according to these drawings without making creative efforts.

FIG. 1 is a schematic three-dimensional structural view of a ground cleaning apparatus having a front dust collection function according to this utility model;
FIG. 2 is a schematic three-dimensional structural view of a cleaning device, a water storage device and a dust collection cover according to this utility model;
FIG. 3 is a schematic three-dimensional structural view of a cleaning device, a water storage device and a dust collection cover according to this utility model;
FIG. 4 is a schematic exploded structural view of a cleaning device according to this utility model;
FIG. 5 is a schematic exploded structural view of a cleaning device according to this utility model;
FIG. 6 is a schematic three-dimensional structural view of a cleaning device according to this utility model;
FIG. 7 is a partially schematic structural view of a cleaning device according to this utility model;
FIG. 8 is a schematic three-dimensional structural view of a rolling brush, a second hairbrush assembly, a pressure roller, a hairbrush and a conveying rod housing in a cleaning device according to this utility model;
FIG. 9 is a schematic three-dimensional structural view of a washing assembly according to this utility model;
FIG. 10 is a schematic exploded structural view of a washing assembly according to this utility model;
FIG. 11 is a three-dimensional structural view of another embodiment of a threaded conveying rod according to this utility model;
FIG. 12 is a schematic three-dimensional structural view of a shaftless threaded conveying rod according to this utility model;
FIG. 13 is a schematic three-dimensional structural view of an embodiment of a hairbrush according to this utility model;
FIG. 14 is a three-dimensional structural view of an embodiment of a hairbrush and a hairbrush housing according to this utility model;
FIG. 15 is a three-dimensional structural view of another embodiment of a hairbrush according to this utility model;
FIG. 16 is a schematic three-dimensional structural view of an embodiment of a pressure roller, a pressure roller housing, a hairbrush and a washing assembly according to this utility model; and
FIG. 17 is a schematic three-dimensional structural view of the pressure roller housing in FIG. 16.

In the figures, 10-cleaning device, 1-rolling brush, 2-washing assembly, 3-water retaining housing, 4-pressure roller, 6-driving device, 8-dust collection cover, 9-dust suction rod, 11-lint water absorption layer, 12-rolling shaft, 21-threaded conveying rod, 22-conveying rod housing, 211-threaded groove, 212-thread protrusion, 213-tuft, 214-main shaft, 215-shaftless threaded conveying rod, 221-dirt outlet, 222-opening, 2221-first protrusion, 2222-inclined plate, 223-water inlet, 41-pressure roller housing, 411-water inlet of pressure roller housing, 412-water supplementing port of pressure roller housing, 413-drainage outlet of pressure roller housing, 43-pressure spring, 51-hairbrush, 511-second protrusion, 512-watering port, 513-hairbrush water gap, 52-second hairbrush assembly, 53-hairbrush housing, 531-water inlet, 532-water supplementing port of hairbrush housing, 61-electricity storage assembly, 62-cover housing, 71-dirty water tank, 72-clean water tank, 73-water pump, 81-dust suction port, 82-dust suction channel, 83-access port, 84-roller, 91-dust cup, 92-dust suction pump, and 93-handle.

DETAILED DESCRIPTION

Embodiments of this utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings. The same or similar reference numerals indicate the same or similar elements or elements with the same or similar functions. The embodiments described with reference to the accompanying drawings below are exemplary, and are intended to explain this utility model, but should not be construed as limiting this utility model. On the basis of the embodiments in this utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts fall into the scope of protection of this utility model.
In the description of this utility model, it should be understood that the orientation or position relationship indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" or the like is the orientation or position relationship based on the accompanying drawings. It is only for the convenience of describing this utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation to this utility model. In the description of this utility model, "a plurality of/multiple" means two or more than two, unless otherwise specifically defined. In addition, the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance.
In the description of this utility model, the term "arranged", "provided with", "connected to", "mounted", "sleeved over", "formed", "fixed to" or the like should be understood broadly unless otherwise specified and defined. For example, two elements may be fixedly connected, detachably connected or integrally connected; or may be mechanically connected or electrically connected; or may be directly connected or indirectly connected through an intermediate medium; or may be in internal communication or interact with each other. For those of ordinary skill in the art, the specific meaning of the above terms in this utility model can be understood according to specific situations.

Embodiments

Referring to FIG. 1 to FIG. 17, as shown in FIG. 1 to FIG. 17, 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. Of course, 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.
Referring to FIG. 4 to FIG. 17, as shown in FIG. 4 to FIG. 17, 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. In this example, 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. Of course, 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. In this example, 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.
According to this utility model, 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. Preferably, 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. Moreover, 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. Of course, 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. Of course, the dirt outlet and the water inlet can also be formed in other parts. In addition, the spiral groove is formed on the threaded conveying rod, such that the surface of the threaded conveying rod is protruding and recessed. 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 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.
Preferably, as shown in FIG. 11, in another embodiment of the threaded conveying rod 21, 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. Preferably, 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.
In another embodiment, as shown in FIG. 12, 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. When the threaded conveying rod rotates, 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. With rotation 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. On the other hand, the clean water can also be conveyed from one end of the threaded conveying rod 21. When 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. Of course, the adjusting member can also be an adjusting valve. In this example, 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. Preferably, 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.
When the pressure roller 4 is additionally arranged, 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.
As shown in FIG. 9 to FIG. 10, 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. Preferably, 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. In this example, the length of the inclined plate 2222 is consistent with that of the opening.
Preferably, 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. Of course, 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. In this example, 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. In one embodiment, 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. In the other embodiment, the first hairbrush assembly is a hairbrush 51. As shown in FIG. 13, 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. Of course, 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:
In an embodiment, the conveying rod housing 22 is provided with a water inlet 223. As shown in FIG. 9 to FIG. 10, 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.
In an embodiment, 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. Preferably, the water supplementing port is between the washing assembly 2 and the pressure roller.
In an embodiment, 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.
In an embodiment, 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.
In an embodiment, as shown in FIG. 15, 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.
In another embodiment, 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.
In an embodiment, 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. Of course, the driving device 6 can also be arranged inside the rolling shaft 12 of the rolling brush 1.
In an embodiment, the rolling brush 1 is connected to one driving device, the threaded conveying rod 21 is connected to the other driving device, and the rolling brush and the threaded conveying rod 21 are both driven by the driving devices to rotate.
In an embodiment, 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.
In an embodiment, the rolling brush 1 and the threaded conveying rod 21 are both not provided with the driving devices. 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.
For the above embodiments of the four driving devices, in a case of the pressure roller, and/or another driving device, the driving device can be connected to the pressure roller 4 and drives the pressure roller 4 to rotate.
In this example, 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.
In this example, 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.
In the apparatus, 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. Compared with a face-to-face contact formed by a water scraping strip or the pressure rod and the rolling brush, 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. For the first hairbrush assemblies forming point-to-face contacts, 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. Moreover, 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.
After the rolling brush is squeezed by the pressure rod or the water scraping strip to scrape the dirty water and dirt, the lint water absorption layer on the surface of the rolling brush presses a rolling shaft. When the pressed lint water absorption layer rotates forwards continuously to be in contact with the ground again, as the lint water absorption layer is pressed together, the ability of the rolling brush to adsorb the dirty water and dirt will be deteriorated obviously. Therefore, after the rolling brush is squeezed by the pressure rod, 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.
There are various optional solutions for the water supplementation modes of self-cleanliness of the rolling brush, which are flexible and diverse. 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.
The additional aspects and advantages of this utility model will be provided in the following description, some of which will become apparent from the following description or may be learned from practices of this utility model.
In the description of the specification, the description with reference to the terms "one embodiment", "some embodiments", "another embodiment", "still another embodiment", "other embodiments", "example", "specific example", "some examples" or the like means that the specific features, structures, materials, or characteristics described in conjunction with the embodiments or examples are included in at least one embodiment or example of this utility model. In this specification, the schematic expression of the above terms is not necessarily directed to the same embodiment or example. Moreover, the specific features, structures, materials, or characteristics described may be combined in a suitable manner in any one or more embodiments or examples. In addition, those skilled in the art can join and combine different embodiments or examples described in this specification.
Although the embodiments of this utility model have been shown and described above, it can be understood that the above embodiments are exemplary and are not to be construed as limiting this utility model. Changes, modifications and variations of the above embodiments may be made by those skilled in the art within the scope of this utility model.

Claims

A ground cleaning apparatus having a front dust collection function, characterized by comprising a cleaning device, a water storage device and a dust collection device, wherein
the cleaning device comprises a rolling brush (1), a washing assembly (2) and a water retaining housing (3); 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) comprises 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); and 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 the dirt outlet (221) is connected to the dirty water tank (71) through a blowoff pipe; and

the dust collection device is provided with a dust suction port (81), 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 ground cleaning apparatus having a front dust collection function according to claim 1, characterized in that the dust collection device is further provided with a dust collection cover (8), the dust collection cover (8) is provided with a dust suction channel (82) and an access port (83), and the dust suction port (81) is connected to the access port (83) through the dust suction channel (82); and
the dust suction port (81) is configured to be foldable, retractable or detachable.
The ground cleaning apparatus having a front dust collection function according to claim 2, characterized in that the dust collection device further comprises a dust suction rod (9);
the dust suction rod (9) is detachably mounted on the access port (83), a dust cup (91) and a dust suction pump (92) are arranged on the dust suction rod (9), the dust cup (91) is connected to the access port (83) through a dust collecting pipeline, and the dust suction pump (92) is configured to suck dirt into the dust cup (91) by way of the dust suction port (81); and

the dust collection cover (8) is detachably arranged above the cleaning device and the water storage device.
The ground cleaning apparatus having a front dust collection function according to claim 1, characterized in that the cleaning device further comprises at least one pressure roller (4) and at least one first hairbrush assembly;
the pressure roller (4) presses the rolling brush (1), the pressure roller (4) is located above the washing assembly (2), and the pressure roller (4) is rotatably mounted in the water retaining housing (3);

the first hairbrush assembly is between the pressure roller (4) and the threaded conveying rod (21), the first hairbrush assembly is in contact with the rolling brush (1), and the first hairbrush assembly is configured to scrape dirt on the rolling brush (1); and

a degree of tightness of contact between the threaded conveying rod (21) and the rolling brush (1) is adjustable.
The ground cleaning apparatus having a front dust collection function according to claim 4, characterized in that the conveying rod housing (22) is provided with a plurality of first protrusions (2221) at an upper edge position of the opening (222), the plurality of 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; and/or
each of the first hairbrush assemblies is a hairbrush (51), the hairbrush (51) is rotatably mounted in the water retaining housing (3), a plurality of 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); and

a degree of tightness of contact between the pressure roller (4) and the rolling brush (1) is adjustable.
The ground cleaning apparatus having a front dust collection function according to claim 4, characterized in that the cleaning device comprises at least one 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 a plurality of wool tops on a surface thereof, and the wool tops are in contact with the rolling brush (1); and

a 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 ground cleaning apparatus having a front dust collection function according to claim 4, characterized in that the water storage device further comprises a clean water tank (72), the clean water tank (72) is arranged on a side, away from the rolling brush (1), of the washing assembly (2), and the clean water tank (72) is connected to a water inlet through a clean water pipe.
The ground cleaning apparatus having a front dust collection function according to claim 7, characterized in that the water storage device further comprises a water pump (73), the water pump (73) is arranged between the clean water tank (72) and the cleaning device, and the water pump (73) is configured to pump clean water in the clean water tank (72) into the cleaning device.
The ground cleaning apparatus having a front dust collection function according to claim 7, characterized in that at least one water supplementing port is formed in an inner wall of the water retaining housing (3), the water supplementing port faces the rolling brush (1), and the water supplementing port is connected to the clean water tank (72) through the clean water pipe; and/or
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; and/or

a pressure roller housing (41) is sleeved over the pressure roller (4), the pressure roller (4) has a spiral groove on a surface thereof, 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 an 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; and/or

the hairbrush (51) has a hollow cavity, a plurality of 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 plurality of 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 ground cleaning apparatus having a front dust collection function according to claim 7, characterized by further comprising a hairbrush housing (53), wherein the hairbrush housing (53) is accommodated in the water retaining housing (3), the hairbrush (51) is rotatably mounted in the hairbrush housing (53), the second protrusions (511) on the hairbrush (51) are spirally arranged on the hairbrush (51), the hairbrush housing (53) has a water inlet (531), a water supplementing port (532) of the hairbrush housing and a drain opening, 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.
The ground cleaning apparatus having a front dust collection function according to claim 1, characterized in that 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 threaded conveying rod (21) is detachably mounted in the conveying rod housing (22).
The ground cleaning apparatus having a front dust collection function according to claim 1, characterized by further comprising a driving device (6),
wherein the driving device (6) is configured to drive the rolling brush (1) to rotate; and

a plurality of tufts (213) are arranged on the threaded conveying rod (21).
The ground cleaning apparatus having a front dust collection function according to claim 12, characterized by further comprising an electricity storage assembly (61), wherein the electricity storage assembly (61) is electrically connected to the driving device (6).
The ground cleaning apparatus having a front dust collection function according to claim 1, characterized in that
the threaded conveying rod (21) is a shaftless threaded conveying rod (215); and

an inclined plate (2222) extends outwards from a lower edge of the opening (222), and the inclined plate (2222) extends towards a bottom of the rolling brush (1).