CN112274071A

CN112274071A - Cleaning device

Info

Publication number: CN112274071A
Application number: CN201910664975.7A
Authority: CN
Inventors: 赵国栋; 丁铁; 姚晟; 王志宝
Original assignee: Midea Group Co Ltd; Jiangsu Midea Cleaning Appliances Co Ltd
Current assignee: Midea Robozone Technology Co Ltd
Priority date: 2019-07-23
Filing date: 2019-07-23
Publication date: 2021-01-29

Abstract

The invention discloses a cleaning device, comprising: the dust collector comprises a shell, wherein an air treatment assembly and a rolling brush cavity are arranged on the shell, the air treatment assembly is provided with an ash inlet communicated with the rolling brush cavity, and the rolling brush cavity is provided with a dust collection port with a downward opening; the rolling brush can be arranged in the rolling brush cavity in a rolling way; the scraping strip is arranged on the shell and is positioned behind the dust suction port; and the auxiliary flow channel is communicated with the dust inlet and is positioned behind the dust suction port. According to the cleaning equipment provided by the embodiment of the invention, the auxiliary flow channel is arranged behind the dust collection port, dust leaked by the scraping strip can enter the air treatment assembly through the auxiliary flow channel for separation, the phenomenon of dust accumulation caused by deformation of the scraping strip is prevented, and meanwhile, fine dust on a cleaning surface can be directly sucked up by airflow entering the auxiliary flow channel, so that the dust removal effect can be improved, and the carpet dust removal effect is improved.

Description

Cleaning device

Technical Field

The invention relates to the field of cleaning, in particular to a cleaning device.

Background

At present, the intelligent technology is rapidly developed, the floor sweeping robot is gradually accepted as a household cleaning tool, the floor sweeping robot is loved by consumers in a small size, an intelligent automatic cleaning mode and low running noise, and more consumers use the floor sweeping robot to carry out daily cleaning on indoor rooms. Due to the limitation of the size and the power of the sweeping robot, the power of a fan and the power of a motor of the sweeping robot are smaller, so that the dust removal effect of the sweeping robot, particularly the dust removal effect of a carpet is lower.

Disclosure of Invention

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the cleaning equipment provided by the invention can improve the dust removal effect and the carpet dust removal effect.

A cleaning apparatus according to an embodiment of the present invention includes: the dust collector comprises a shell, wherein an air treatment assembly and a rolling brush cavity are arranged on the shell, the air treatment assembly is provided with an ash inlet communicated with the rolling brush cavity, and the rolling brush cavity is provided with a dust collection port with a downward opening; the rolling brush can be arranged in the rolling brush cavity in a rolling way; the scraping strip is arranged on the shell and is positioned behind the dust suction port; and the auxiliary flow channel is communicated with the dust inlet and is positioned behind the dust suction port.

According to the cleaning equipment provided by the embodiment of the invention, the auxiliary flow channel is arranged behind the dust collection port, dust leaked by the scraping strip can enter the air treatment assembly through the auxiliary flow channel for separation, the phenomenon of dust accumulation caused by deformation of the scraping strip is prevented, and meanwhile, fine dust on a cleaning surface can be directly sucked up by airflow entering the auxiliary flow channel, so that the dust removal effect can be improved, and the carpet dust removal effect is improved.

In some embodiments of the invention, the auxiliary flow channel comprises a first flow path, and the wiper strip comprises a front portion and a rear portion, the front portion and the rear portion being spaced apart to define the first flow path.

In some embodiments of the present invention, the wiper strip further includes a support member provided in the first flow path, and both ends of the support member are connected to the front side portion and the rear side portion, respectively.

In some embodiments of the invention, the wiper strip is an integrally formed piece.

In some embodiments of the invention, the cleaning device further comprises a rolling brush cover plate, the rolling brush cover plate is arranged on the shell, and the rolling brush cover plate is provided with the dust suction opening.

In some embodiments of the present invention, the brush roll cover includes a mounting portion on a rear side of the brush roll, and the wiper strip is provided on the mounting portion.

In some embodiments of the present invention, the mounting portion is movable up and down relative to the housing to move the wiper strip.

In some embodiments of the invention, the secondary flow path comprises a first flow path provided within the wiper strip and a second flow path provided within the mounting portion.

In some embodiments of the invention, a seal is provided between the mounting portion and the ash inlet.

In some embodiments of the invention, a third flow path is provided in the seal in communication with the second flow path.

In some embodiments of the present invention, the cleaning device further includes a flow deflector disposed at a top of a sidewall of the second flow path facing the roller brush, and the mounting portion moves to drive the flow deflector to move so that the flow deflector is disposed opposite to the ash inlet or at a bottom of the ash inlet.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a bottom view of a cleaning appliance according to an embodiment of the present invention;

FIG. 2 is a cross-sectional view of a cleaning apparatus according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is a partial schematic view of a cleaning apparatus according to an embodiment of the invention, wherein a deflector is located at the bottom of the ash inlet;

FIG. 5 is a partial schematic view of a cleaning apparatus according to an embodiment of the present invention, wherein a deflector is disposed opposite to an ash inlet;

FIG. 6 is a perspective view of a wiper strip according to an embodiment of the present invention;

FIG. 7 is a side view of the wiper strip shown in FIG. 6;

FIG. 8 is a front view of the wiper strip shown in FIG. 6;

FIG. 9 is a schematic view of a roller brush deck according to an embodiment of the present disclosure;

fig. 10 is a side view of the roll brush deck shown in fig. 9.

Reference numerals:

a cleaning device 100,

A shell 1, a rolling brush cavity 10, a dust suction port 11, a matching buckle 12, a sliding cavity 13,

An air processing component 2, an ash inlet 20,

A rolling brush 3,

A scraper bar 4, a front part 40, a rear part 41, a connecting part 42, a support 43,

Auxiliary flow channel 5, first flow channel 50, second flow channel 51, third flow channel 52,

A roller brush cover plate 6, a mounting part 60, a rear side buckle 61, a front side buckle 62,

Sealing member 7, baffle 70.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The cleaning apparatus 100 according to the embodiment of the present invention is described below with reference to fig. 1 to 10, wherein the cleaning apparatus 100 may be a sweeping robot, or the cleaning apparatus 100 may also be a cleaning head of a vacuum cleaner, a hand-held vacuum cleaner, an upright vacuum cleaner, a canister vacuum cleaner, or the like.

As shown in fig. 1 to 5, a cleaning apparatus 100 according to an embodiment of the present invention includes: the device comprises a shell 1, a rolling brush 3, a scraping strip 4 and an auxiliary flow passage 5, wherein an air treatment assembly 2 and a rolling brush cavity 10 are arranged on the shell 1, the air treatment assembly 2 is provided with an ash inlet 20 communicated with the rolling brush cavity 10, and the rolling brush cavity 10 is provided with a dust suction opening 11 which is opened downwards. The roller brush 3 is rollably arranged in the roller brush chamber 10. The scraping strip 4 is arranged on the shell 1 and is positioned at the rear of the dust suction opening 11, the auxiliary flow passage 5 is communicated with the dust inlet 20, and the auxiliary flow passage 5 is positioned at the rear of the dust suction opening 11. It should be noted that the phrase "the wiper strip 4 is located behind the dust suction port 11" in the description of the present invention means that the wiper strip 4 is located behind the dust suction port 11 in the traveling and sweeping direction of the cleaning apparatus 100, and the phrase "the auxiliary flow path 5 is located behind the dust suction port 11" in the description of the present invention means that the auxiliary flow path 5 is located behind the dust suction port 11 in the traveling and sweeping direction of the cleaning apparatus 100, in which the cleaning apparatus 100 moves forward for sweeping.

It will be appreciated that the cleaning device 100 may also include a fan or the like, under the action of which an airflow carrying dirt and debris, such as dust, enters the roller brush chamber 10 from the suction opening 11 and enters the air treatment assembly 2 for treatment through the dust inlet 20. In some embodiments of the present invention, the air treatment assembly 2 may be a dust bag, a dirt cup with a filter assembly, or the like that separates dirt.

Specifically, the brush bristles on the roller brush 3 can contact with the cleaning surface through the dust suction opening 11, the roller brush cavity 10 is communicated with the dust inlet 20, the auxiliary flow passage 5 is communicated with the dust inlet 20, and dust-carrying air flows sucked from the roller brush cavity 10 and the auxiliary flow passage 5 can enter the air treatment assembly 2.

When the cleaning device 100 is used for cleaning, the roller brush 3 rolls to lift dust on a cleaning surface such as a carpet through the dust suction opening 11, and the lifted dust enters the roller brush chamber 10 through the dust suction opening 11 with the air flow and enters the air treatment module 2 through the dust inlet 20 for dust separation.

The scraping strip 4 is in contact with the cleaning surface to scrape and sweep dirt such as dust on the cleaning surface, and meanwhile, due to the wind shielding effect of the scraping strip 4, most of dust raised by the rolling brush 3 can be ensured to enter the rolling brush cavity 10, and the dust collection effect of the cleaning equipment 100 is ensured.

It can be understood that, since the dust suction port 11 is spaced apart from the cleaning surface, the cleaning device 100 can only suck the dust raised by the roller brush 3, and when the cleaning surface is a carpet, the dust raising effect of the roller brush 3 itself is limited, resulting in a poor dust removing effect of the carpet. Meanwhile, the scraping strip 4 can generate large deformation in the contact process with the cleaning surface, and a suction blind area can be generated, so that bottom residual ash is caused.

In order to solve the problems of poor dust removal effect and residual bottom ash, according to the cleaning device 100 provided by the embodiment of the invention, the auxiliary flow channel 5 is arranged behind the dust suction opening 11, and dust leaked from the scraping strip 4 can enter the air treatment assembly 2 through the auxiliary flow channel 5 for separation, so that the dust removal effect can be improved. Meanwhile, the airflow entering the auxiliary flow passage 5 can directly suck up fine dust on a cleaning surface, and the dust removal effect of the cleaning surface such as a carpet is improved. Specifically, the inlet of the auxiliary flow passage 5 is located behind the front surface of the wiper strip 4 in the traveling sweeping direction of the cleaning apparatus 100 to ensure that dust leaking from the wiper strip 4 can be separated by entering the air treatment assembly 2 through the auxiliary flow passage 5.

According to the cleaning device 100 provided by the embodiment of the invention, the auxiliary flow channel 5 is arranged behind the dust collection port 11, dust leaked by the scraping strip 4 can enter the air treatment assembly 2 through the auxiliary flow channel 5 for separation, so that the phenomenon of dust deposition caused by the deformation of the scraping strip 4 is prevented, and meanwhile, fine dust on a cleaning surface can be directly sucked up by airflow entering the auxiliary flow channel 5, so that the dust removal effect can be improved, and the dust removal effect of a carpet is improved.

In some embodiments of the present invention, the auxiliary flow path 5 includes a first flow path 50, and the wiper strip 4 includes a front portion 40 and a rear portion 41, the front portion 40 and the rear portion 41 being spaced apart to define the first flow path 50. That is, the first flow path 50 is provided inside the wiper strip 4, the wiper strip 4 includes a front portion 40, a rear portion 41, and a connecting portion 42, the front portion 40 and the rear portion 41 are disposed at an interval in the front-rear direction, ends of the front portion 40 and the rear portion 41 are connected by the connecting portion 42, respectively, and the front portion 40, the rear portion 41, and the connecting portion 42 collectively define the first flow path 50, so that by providing the first flow path 50 inside the wiper strip 4, it is possible to further reduce the dust leakage phenomenon, further improve the dust removal effect, and make the structure of the cleaning apparatus 100 simple. It is to be understood that the shape of the first flow path 50 is not particularly limited, and may be, for example, a rectangular shape as shown in fig. 6 and 8, or may be designed in a triangular or hexagonal structure depending on aerodynamic noise and structural stability, etc.

Further, the wiper strip 4 further comprises a supporting piece 43, the supporting piece 43 is arranged in the first flow path 50, and two ends of the supporting piece 43 are respectively connected with the front side part 40 and the rear side part 41, so that the structural strength of the wiper strip 4 can be improved by arranging the supporting piece 43, the wiper strip 4 is not easy to deform due to friction with a cleaning surface, and the generation of an ash leakage phenomenon can be reduced. Specifically, in order to reduce the obstruction of the airflow by the support 43, the shape of the support 43 and the shape of the connection portion 42 may be the same. In some specific examples of the present invention, the supporting members 43 are plural and are spaced apart along the length direction of the wiper strip 4, so that the structural strength of the wiper strip 4 can be further improved to prevent the wiper strip 4 from being deformed, and it is ensured that the occurrence of the ash leakage phenomenon can be reduced. Preferably, the wiper strip 4 is an integrally formed part, so that the structural strength of the wiper strip 4 can be improved, and the processing and forming of the wiper strip 4 are facilitated. Alternatively, the wiper strip 4 is a rubber member, so that the cost of the wiper strip 4 can be reduced.

As shown in fig. 1 to 5, 9 and 10, in some embodiments of the present invention, the cleaning apparatus 100 further includes a roller brush cover 6, the roller brush cover 6 is disposed on the housing 1, and the roller brush cover 6 is provided with a dust suction port 11. That is to say, round brush apron 6 is located the below of round brush 3, and the brush hair of round brush 3 can pass dust absorption mouth 11 of round brush apron 6 and clean the face to through setting up round brush apron 6, can play the guard action to round brush 3 on the basis of guaranteeing to clean the effect, prolong the life of round brush 3.

Further, as shown in fig. 1 to 5, the brush cover 6 includes a mounting portion 60 at a rear side of the brush 3, and the wiper strip 4 is provided on the mounting portion 60. Thereby facilitating assembly of the wiper strip 4. Specifically, the wiper strip 4 may be mounted on the mounting portion 60 by any means, such as screws, gluing, etc.

In some embodiments of the present invention, the mounting portion 60 is movable up and down relative to the housing 1 to move the wiper strip 4. Therefore, the magnitude of interference between the scraping strip 4 and the cleaning surface can be adjusted, and the contact between the scraping strip 4 and the cleaning surface is ensured. Specifically, the interference between the scraping strip 4 and the cleaning surface can be set to be-2 mm to 2 mm.

Further, the roll brush cover 6 is movably provided on the housing 1 such that the mounting portion 60 is movable up and down with respect to the housing 1, thereby making the structure of the cleaning apparatus 100 simple. Specifically, as shown in fig. 4-5, 9 and 10, a front side buckle 62 and a rear side buckle 61 are arranged on the roller brush cover plate 6, a matching buckle 12 is arranged on the housing 1, the front side buckle 62 and the matching buckle 12 are matched to position the roller brush cover plate 6 on the housing 1, a sliding cavity 13 is arranged on the housing 1, the rear side buckle 61 extends into the sliding cavity 13 and is movable relative to the sliding cavity 13, and under the action of gravity, the rear side buckle 61 is located at the bottommost part of the sliding cavity 13. When the cleaning apparatus 100 performs cleaning, the cleaning surface applies an upward force to the wiper strip 4 to move the brush cover 6 upward to move the wiper strip 4 upward. Thereby make the scraping strip 4 can carry out certain height adjustment when contact ground or carpet, guarantee dust removal effect. Meanwhile, the matching mode of the rolling brush cover plate 6 is simple and reliable. It will of course be appreciated that the roller brush cover 6 may also cooperate with the housing 1 in other ways, at least so that the mounting portion 60 can be moved up and down.

In other embodiments of the present invention, the brush cover 6 includes a fixing portion fixed to the housing 1 and a mounting portion 60 movably provided on the fixing portion such that the mounting portion 60 can move up and down with respect to the housing 1.

According to some embodiments of the present invention, as shown in fig. 1 to 5, the auxiliary flow path 5 includes a first flow path 50 and a second flow path 51, the first flow path 50 being provided in the wiper strip 4, and the second flow path 51 being provided in the mounting portion 60. That is to say, the first flow path 50 is arranged in the scraping strip 4, and the second flow path 51 is arranged in the rolling brush cover plate 6, so that at least one part of the auxiliary flow path 5 is defined by the scraping strip 4 and the rolling brush cover plate 6, the number of parts of the cleaning equipment 100 can be reduced, the cost is reduced, the cleaning effect of the auxiliary flow path 5 can be ensured, the ash leakage phenomenon is further reduced, and the dust removal effect is further improved.

In order to ensure a sealing connection between the roll brush cover plate 6 and the dust inlet 20 when the mounting portion 60 floats up and down and ensure that the air flow flowing out of the second flow path 51 can flow to the dust inlet 20 to improve the dust removing effect, in some embodiments of the present invention, a sealing member 7 is provided between the mounting portion 60 and the dust inlet 20. The sealing element 7 can be a soft material element, the sealing element 7 has a certain margin, and the sealing element 7 can deform when the rolling brush cover plate 6 floats up and down. In particular, the sealing member 7 may be an elastic material member. It will be appreciated that the location of the seal 7 does not affect the communication of the second flow path 51 with the ash inlet 20.

As shown in fig. 2-5, in some embodiments of the invention, a third flow path 52 is provided in the seal 7 in communication with the second flow path 51. That is, the auxiliary flow path 5 includes a first flow path 50, a second flow path 51, and a third flow path 52, the first flow path 50 is located in the wiper strip 4, the second flow path 51 is located in the brush roll cover 6, and the third flow path 52 is located in the seal 7, so that it is ensured that the dust-laden air flow sucked from the auxiliary flow path 5 can be guided to the dust inlet 20, and the dust removal effect can be improved. It is understood that the formation manner of the auxiliary flow channel 5 is not limited to this, for example, a hollow guide pipeline may be disposed on the scraper bar 4 to define the auxiliary flow channel 5, in which case the auxiliary flow channel 5 is located behind the scraper bar 4, and the arrangement manner of the auxiliary flow channel 5 may be set according to practical situations as long as it is ensured that the auxiliary flow channel 5 can communicate with the ash inlet 20.

As shown in fig. 4 to 5, in some embodiments of the present invention, the cleaning apparatus 100 further includes a baffle 70, the baffle 70 is disposed on the top of the sidewall of the second flow path 51 facing the roller brush 3, and the mounting portion 60 moves to move the baffle 70 such that the baffle 70 is disposed opposite to the ash inlet 20 or is disposed at the bottom of the ash inlet 20. In some embodiments of the present invention, the guide vane 70 is a part of the sealing member 7, i.e., the side wall of the third flow path 52 facing the roll brush 3 defines the guide vane 70, so that the dust removing effect can be secured. Alternatively, the guide vane 70 may be a rubber member, thereby reducing costs.

Specifically, the mounting portion 60 can drive the flow deflector 70 to move when moving, as shown in fig. 4, when the mounting portion 60 is located at the lowest end of the moving track, that is, when the mounting portion 60 cannot move downward (for example, as shown in fig. 4, the rear buckle 61 is located at the lowest end of the sliding cavity 13), for example, when the cleaning device 100 is used for cleaning the floor, the flow deflector 70 is located at the bottom of the dust inlet 20, so that the airflow flowing from the auxiliary flow channel 5 to the dust inlet 20 is relatively small, most of the airflow still enters the dust inlet 20 from the rolling brush cavity 10, and the rolling brush cover plate 6 and the flow deflector 70 mainly perform an air-tight sealing function, thereby facilitating the dust removal of the floor and the suction of dust with relatively large particles.

As shown in fig. 5, when the mounting portion 60 is located at the topmost end of the moving track, i.e., when the mounting portion 60 cannot move further upward (the rear side catch 61 is located at the top position of the sliding chamber 13), for example, when the cleaning device 100 is used for cleaning a carpet, the guide plate 70 is disposed opposite to the dust inlet 20, for example, the guide plate 70 is located in the middle of the dust inlet 20, so that the airflow sucked through the auxiliary flow passage 5 can enter the air treatment assembly 2 through the dust inlet 20, thereby improving the dust removal performance.

According to the cleaning device 100 provided by the embodiment of the invention, by arranging the flow deflector 70, the cleaning device 100 can have two cleaning modes, which not only facilitates the dust removal of the floor and the absorption of large-particle dust, but also facilitates the improvement of the dust removal performance of the cleaning device 100 on the carpet when the carpet needs to be cleaned.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", and the like, indicate orientations and positional relationships based on those shown in the drawings, and are used merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be considered as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cleaning apparatus, comprising:

the dust collector comprises a shell, wherein an air treatment assembly and a rolling brush cavity are arranged on the shell, the air treatment assembly is provided with an ash inlet communicated with the rolling brush cavity, and the rolling brush cavity is provided with a dust collection port with a downward opening;

the rolling brush can be arranged in the rolling brush cavity in a rolling way;

the scraping strip is arranged on the shell and is positioned behind the dust suction port;

and the auxiliary flow channel is communicated with the dust inlet and is positioned behind the dust suction port.

2. The cleaning apparatus defined in claim 1, wherein the auxiliary flow path comprises a first flow path, and the wiper strip comprises a front portion and a rear portion that are spaced apart to define the first flow path.

3. The cleaning apparatus defined in claim 2, wherein the wiper strip further comprises a support member disposed in the first flow path, the support member having both ends connected to the front portion and the rear portion, respectively.

4. The cleaning apparatus defined in claim 3, wherein the wiper strip is an integrally formed piece.

5. The cleaning apparatus defined in any one of claims 1-4, further comprising a roller brush cover plate disposed on the housing, the roller brush cover plate having the dust extraction opening disposed thereon.

6. The cleaning apparatus as claimed in claim 5, wherein the brush cover includes a mounting portion at a rear side of the brush, the wiper strip being provided on the mounting portion.

7. The cleaning apparatus defined in claim 6, wherein the mounting portion is movable up and down relative to the housing to move the wiper strip.

8. The cleaning apparatus defined in claim 7, wherein the secondary flow path comprises a first flow path and a second flow path, the first flow path being disposed within the wiper strip and the second flow path being disposed within the mounting portion.

9. The cleaning apparatus defined in claim 8, wherein a seal is provided between the mounting portion and the ash inlet.

10. The cleaning apparatus defined in claim 9, wherein a third flow path is provided in the seal in communication with the second flow path.

11. The cleaning apparatus as claimed in claim 8, further comprising a guide vane disposed at a top portion of the sidewall of the second flow path facing the roller brush, wherein the mounting portion moves to drive the guide vane to move such that the guide vane is disposed opposite to the dust inlet or at a bottom portion of the dust inlet.