CN115153346A

CN115153346A - Scrubbing brush subassembly and surface cleaning equipment

Info

Publication number: CN115153346A
Application number: CN202210933399.3A
Authority: CN
Inventors: 徐振轩; 刘煜; 唐成; 段飞
Original assignee: Beijing Shunzao Technology Co Ltd
Current assignee: Beijing Shunzao Technology Co Ltd
Priority date: 2022-08-04
Filing date: 2022-08-04
Publication date: 2022-10-11

Abstract

The present disclosure provides a floor brush assembly for a surface cleaning apparatus, comprising: a housing including a suction port; two first stirring bodies arranged in a relatively suspended manner; a gap is formed between the opposite free ends of the two first stirring bodies, and the gap is close to the suction port part; the second stirring body is arranged in front of the first stirring body, a part of the vacuumizing flow channel is formed between the first stirring body and the second stirring body, and the suction port is positioned on the vacuumizing flow channel; and the cleaning unit is arranged between the first stirring body and the second stirring body, and debris on the second stirring body can be removed by the cleaning unit based on the relative movement of the cleaning unit and the second stirring body and is transmitted to the first stirring body and/or the suction port part through a part of the vacuumizing flow channel between the first stirring body and the second stirring body. The present disclosure also provides a surface cleaning apparatus.

Description

Scrubbing brush subassembly and surface cleaning equipment

Technical Field

The utility model belongs to the technical field of clean, this disclosure especially relates to a ground brush subassembly and surface cleaning equipment.

Background

Surface cleaning apparatus of the prior art, such as floor washers, sweeping robots, etc., typically include a cylindrical agitator rotatably mounted in a cleaning head for performing cleaning operations on the floor or the like. In agitators having one or more protruding bristles, the bristles are activated primarily when cleaning a carpet surface. The rotation of the cylindrical agitator causes the bristles to sweep across the carpet surface and agitate the fibers of the carpet and, in conjunction with the result of the vacuum pumping action, dislodge the soil from the carpet fibers. During removal, hair or other threads may become entangled around the brush bar or its attachment. This can lead to poor performance of the surface cleaning apparatus.

Disclosure of Invention

In order to solve at least one of the above technical problems, the present disclosure provides a floor brush assembly of a surface cleaning apparatus, including:

a housing including a roll brush chamber and a suction port provided in the roll brush chamber;

two first agitating bodies rotatably mounted within the roller brush chamber in an opposed, depending arrangement; two of said first agitator bodies are arranged laterally depending within said roller brush chamber such that the longitudinal axes of the first agitator bodies during use are perpendicular or substantially perpendicular at an acute angle to the direction of movement of the floor brush assembly; a gap is formed between the opposite free ends of the two first stirring bodies, and the gap is close to the suction port part;

at least one second stirring body, the second stirring body is arranged in front of the first stirring body, a part of a vacuumizing flow channel is formed between the first stirring body and the second stirring body, and the suction opening part is positioned on the vacuumizing flow channel;

and the cleaning unit is arranged between the first stirring body and the second stirring body, and debris on the second stirring body can be removed by the cleaning unit based on the relative movement of the cleaning unit and the second stirring body and is transmitted to the first stirring body and/or the suction port part through a part of the vacuum-pumping flow channel between the first stirring body and the second stirring body.

According to the ground brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the first stirring body comprises a main body part with an external conical surface, so that the diameter of the installation end of the first stirring body is larger than that of the free end.

A brush assembly of a surface cleaning apparatus according to at least one embodiment of the present disclosure, the first agitating body including a main body portion having an outer cylindrical surface such that a diameter of a mounting end of the first agitating body is equal to or substantially equal to a diameter of a free end; the first stirring body is provided with a spirally extending bristle row in the direction from the mounting end to the free end, the bristle row extends outwards and radially to a first radial distance from the first stirring body, and the first radial distance is sequentially reduced from the mounting end to the direction of the free end.

A brush assembly of a surface cleaning apparatus according to at least one embodiment of the present disclosure, the first agitating body including a main body portion having an outer cylindrical surface such that a diameter of a mounting end of the first agitating body is equal to or substantially equal to a diameter of a free end; a protrusion part extending spirally and a bristle row arranged on the protrusion part are arranged on the first stirring body in the direction from the mounting end to the free end, and the bristle row extends outwards and radially from the protrusion part; the projection extends radially outward from the first stirring body to a first radial distance that decreases in order in a direction from the mounting end to the free end.

According to the floor brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the protrusion portion comprises a base portion and a pair of ridge portions, the base portion and the pair of ridge portions are sequentially arranged outwards along the radial direction of the first stirring body, the bristle rows extend outwards from the base portion, the bristle rows are arranged between the pair of ridge portions, and the top ends of the bristle rows extend out of the pair of ridge portions.

In accordance with a floor brush assembly of a surface cleaning apparatus of at least one embodiment of the present disclosure, the base has a second radial dimension, the bristle rows have a constant third radial dimension, the second radial dimension decreasing in sequence in a direction from the mounting end to the free end such that the first radial distance decreases in sequence in a direction from the mounting end to the free end.

The floor brush assembly of a surface cleaning apparatus according to at least one embodiment of the present disclosure, the base has a constant second radial dimension, the bristle rows have a third radial dimension that decreases in order in a direction from the mounting end to the free end, such that the first radial distance decreases in order in a direction from the mounting end to the free end.

According to the floor brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the gap is located on the vacuum-pumping flow passage.

According to the ground brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the first stirring body and the second stirring body are driven by different motor assemblies.

The floor brush assembly of a surface cleaning apparatus according to at least one embodiment of the present disclosure, the housing comprises a non-removable cover for at least partially covering the first agitating body but not the second agitating body.

According to the floor brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the non-removable cover body includes a pair of tapered inner walls to contact outer peripheral portions of a pair of the first agitating bodies, respectively.

According to the floor brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the pair of conical inner walls have a joint, and the position of the joint corresponds to the position of the gap between the free ends of the two first stirring bodies.

According to the ground brush assembly of the surface cleaning device of at least one embodiment of the present disclosure, the position of the joint corresponds to the position of the suction mouth.

According to another aspect of the present disclosure, there is provided a surface cleaning apparatus comprising a floor brush assembly according to any one of the embodiments of the present disclosure.

According to at least one embodiment of the present disclosure, the surface cleaning apparatus is a wet surface cleaning apparatus or a non-wet surface cleaning apparatus.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the principles of the disclosure.

Fig. 1 is a schematic view of the overall structure of a floor brush assembly according to an embodiment of the present disclosure.

FIG. 2 is an angled bottom view of a floor brush assembly according to an embodiment of the present disclosure.

FIG. 3 is another angled bottom view of a floor brush assembly according to one embodiment of the present disclosure.

FIG. 4 is a top view of a floor brush assembly of one embodiment of the present disclosure with a portion of the housing (the upper housing) removed.

Fig. 5 is a structural schematic view of a first housing (upper housing) of a housing of a floor brush assembly according to an embodiment of the present disclosure.

Fig. 6 is a structural view of a second housing (lower housing) of the housing of the floor brush assembly according to an embodiment of the present disclosure.

FIG. 7 is a schematic view of a floor brush assembly with a housing removed according to an embodiment of the present disclosure.

Fig. 8 shows a detailed structure of the first agitating body of an embodiment of the present disclosure.

Fig. 9 shows the structure of the first stirring body as seen from the free end.

Fig. 10 shows the structure of the first stirring body as viewed from the mounting end.

Fig. 11 is a schematic view of the overall structure of the first stirring body of the floor brush assembly according to one embodiment of the present disclosure.

Fig. 12 isbase:Sub>A sectional view taken alongbase:Sub>A-base:Sub>A of fig. 11.

Description of the reference numerals

110. First stirring body

111. Main body part

112. Protrusion part

113. Brush hair row

120. Second stirring body

130. Cleaning unit

140. Suction mouth

150. First motor assembly

151. The first motor

200. Shell body

210. First shell

220. Second shell

1000. Floor brush component

1108. Mounting end

1109. Free end

1121. Base part

1122. Ridge part

2101. Non-removable cover

2102. Removable cover

2103. First container

2104. Conical inner wall

2105. Joint of the two parts

2203. A second accommodating part.

Detailed Description

The present disclosure will be described in further detail with reference to the drawings and embodiments. It is to be understood that the specific embodiments described herein are for purposes of illustration only and are not to be construed as limitations of the present disclosure. It should be further noted that, for the convenience of description, only the portions relevant to the present disclosure are shown in the drawings.

It should be noted that the embodiments and features of the embodiments in the present disclosure may be combined with each other without conflict. Technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Unless otherwise indicated, the illustrated exemplary embodiments/examples are to be understood as providing exemplary features of various details of some ways in which the technical concepts of the present disclosure may be practiced. Accordingly, unless otherwise indicated, features of the various embodiments may be additionally combined, separated, interchanged, and/or rearranged without departing from the technical concept of the present disclosure.

The use of cross-hatching and/or shading in the drawings is generally used to clarify the boundaries between adjacent components. As such, unless otherwise noted, the presence or absence of cross-hatching or shading does not convey or indicate any preference or requirement for a particular material, material property, size, proportion, commonality between the illustrated components and/or any other characteristic, attribute, property, etc., of a component. Further, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While example embodiments may be practiced differently, the specific process sequence may be performed in a different order than that described. For example, two processes described consecutively may be performed substantially simultaneously or in reverse order to that described. In addition, like reference numerals denote like parts.

When an element is referred to as being "on" or "over," "connected to" or "coupled to" another element, it can be directly on, connected or coupled to the other element or intervening elements may be present. However, when an element is referred to as being "directly on," "directly connected to" or "directly coupled to" another element, there are no intervening elements present. For purposes of this disclosure, the term "connected" may refer to physically, electrically, etc., and may or may not have intermediate components.

For descriptive purposes, the present disclosure may use spatially relative terms such as "under 8230; \8230;,"' under 8230; \8230; below 8230; under 8230; above, on, above 8230; higher "and" side (e.g., in "side wall)", etc., to describe the relationship of one component to another (other) component as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use, operation, and/or manufacture in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" the other elements or features. Thus, the exemplary term "at 8230; \8230;" below "may encompass both an orientation of" above "and" below ". Moreover, the devices may be otherwise positioned (e.g., rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.

The terminology used herein is for the purpose of describing particular embodiments and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. Furthermore, when the terms "comprises" and/or "comprising" and variations thereof are used in this specification, the presence of stated features, integers, steps, operations, elements, components and/or groups thereof are stated but does not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components and/or groups thereof. It is also noted that, as used herein, the terms "substantially," "about," and other similar terms are used as approximate terms and not as degree terms, and as such, are used to interpret inherent deviations in measured values, calculated values, and/or provided values that would be recognized by one of ordinary skill in the art.

Referring first to fig. 1 to 4, a floor brush assembly 1000 of an embodiment of the present disclosure includes:

a housing 200, the housing 200 including a roll brush chamber and a suction port 140 provided in the roll brush chamber;

two first stirring bodies 110 rotatably mounted in a relatively suspended arrangement within the roller brush chamber; the two first stirring bodies 110 are arranged laterally suspended in the roller brush chamber such that the longitudinal axes of the first stirring bodies 110 during use are perpendicular or substantially perpendicular at an acute angle to the direction of movement of the floor brush assembly 100; the opposite free ends 1109 of the two first stirring bodies form a gap therebetween, which is adjacent to the suction mouth portion 140;

a second stirring body 120, the second stirring body 120 being disposed in front of the first stirring body 110, a portion of the evacuation flow path being formed between the first stirring body 110 and the second stirring body 120, the suction port 140 being located on the evacuation flow path;

and a cleaning unit 130 interfering with the second stirring body 120, wherein the cleaning unit 130 is disposed between the first stirring body 110 and the second stirring body 120, and debris on the second stirring body 120 can be removed by the cleaning unit 130 based on the relative movement of the cleaning unit 130 and the second stirring body 120 and transferred to the first stirring body 110 and/or the suction port 140 through a portion of the evacuation flow path between the first stirring body 110 and the second stirring body 120.

The floor brush assembly 1000 shown in fig. 1 may further include a roller wheel and a connecting portion (for detachably connecting with the main body portion of the surface cleaning apparatus), and the shape of the housing 200 shown in fig. 1 may be adjusted, all falling within the scope of the present disclosure.

Fig. 2 illustrates a roller brush chamber within which a pair of first agitating bodies 110 of the present disclosure can be arranged in a laterally overhanging manner, and in some embodiments of the present disclosure, the roller brush chamber includes a first region for accommodating a pair of first agitating bodies 110 of the present disclosure and a second region for accommodating a second agitating body 120 (roller brush, etc.) of the present disclosure described below.

Fig. 2 also shows the position of the suction mouth 140 in the roll brush chamber.

Referring to fig. 3 and 4, according to a preferred embodiment of the present disclosure, the suction mouth portion 140 of the floor brush assembly 1000 is adjacent to the free ends 1109 of the two first agitating bodies 110, i.e., the suction mouth portion 140 faces the gap between the two free ends 1109, to suck the contaminants collected to the gap or the adjacent region of the gap by the first agitating bodies 110, thereby improving the contaminant suction efficiency.

According to a preferred embodiment of the present disclosure, referring to fig. 4 and 8, the two first stirring bodies 110 of the present disclosure are oppositely arranged in a hanging manner inside the housing 200, and a gap is formed between the free ends 1109 of the two first stirring bodies 110, and the gap is close to the suction mouth portion 140 of the floor brush assembly 1000.

The present disclosure enables the dirt collected by the first stirring body 110 near the free end 1109 to be more efficiently sucked by the suction port 140 by the above structural design.

The suction mouth 140 of the floor brush assembly 1000 communicates with the suction line of the surface cleaning apparatus, and the suction mouth 140 can suck dirt near the free end 1109 based on a suction airflow generated by a suction source on the suction line of the surface cleaning apparatus.

The suction line of the surface cleaning apparatus and the suction source disposed on the suction line may take the configurations of the prior art, and the disclosure is not particularly limited thereto.

The utility model discloses a scrubbing brush subassembly 1000 includes two kinds of stirring bodies, first stirring body 110 and second stirring body 120, and be provided with between two kinds of stirring bodies and be used for carrying out the cleaning unit 130 of clearance to the piece on the second stirring body 120, through this structural design, this scrubbing brush subassembly 1000 of this disclosure is waiting to clean the surface to ground for example when cleaning the operation, at first carry out cleaning operation to ground based on second stirring body 120, first stirring body 110 that sets up in second stirring body 120 rear stirs second stirring body 120 and stirs recovery operation by filths such as piece that the surface of waiting to clean was cleared up, treat simultaneously that clean the surface carries out secondary cleaning operation, can treat that clean the surface and carry out thorough and efficient cleaning operation, and cleaning unit 130 is in scrubbing brush subassembly 1000's course of work, can clear up the piece of second stirring body 120 surface adhesion in real time, avoid scrubbing brush subassembly 1000 to clear up second stirring body 120 manually in the course of work.

The present disclosure enables the floor brush assembly 1000 of the present disclosure to have better cleaning effect and cleaning efficiency through the position design and the structural design of the first stirring body 110, the second stirring body 120, the cleaning unit 130 and the suction port 140.

In some embodiments of the present disclosure, the first stirring body 110 is designed to include a body portion (not shown) having an outer tapered surface such that the mounting end (rotatable) 1108 of the first stirring body 110 has a diameter greater than the diameter of the free end 1109. In these embodiments, since the radial dimension (diameter) of the free end 1109 (near the suction mouth 140) is smaller than the radial dimension (diameter) of the rotatable mounting end 1108, the first stirring body 110 can move dirt/debris and the like toward the free end 1109 to be sucked by the suction mouth 140 when performing cleaning collection on the dirt/debris and the like.

In other embodiments of the present disclosure, referring to fig. 8-12, the first stirring body 110 is designed to include a body portion 111 having an outer cylindrical surface such that the diameter of the mounting end (rotatable) 1108 of the first stirring body 110 is equal or substantially equal to the diameter of the free end 1109; the first agitator body 110 is provided with helically extending bristle rows 113 in a direction from the mounting end 1108 to the free end 1109, the bristle rows 113 extending radially outward from the first agitator body 110 to a first radial distance, the first radial distance decreasing in the order from the mounting end 1108 to the free end 1109.

By setting the radial extension distance (first radial distance) of the bristle rows 113 on the two first stirring bodies 110 of the floor brush assembly 1000 such that the first radial distance gradually decreases in the direction from the mounting end 1108 to the free end 1109 of the first stirring body 110, dirt can be collected toward the gap between the two free ends 1109, and the cleaning efficiency and the cleaning effect of the floor brush assembly 1000 are improved in cooperation with the suction operation of the suction port part 140.

Referring to fig. 8, preferably, in some embodiments of the present disclosure, each of the two first agitating bodies 110 of the present disclosure further includes a protrusion 112 disposed on the cylindrical surface of the body portion 111, the protrusion 112 spirally extends in a direction from the mounting end 1108 to the free end 1109, and the bristle row 113 is disposed on the protrusion 112 such that the bristle row 113 radially extends to a first radial distance, such that the first radial distance gradually decreases in a direction from the mounting end 1108 to the free end 1109 of the first agitating body 110.

Referring to fig. 8 and 11, according to a preferred embodiment of the present disclosure, the protrusion 112 of the floor brush assembly 1000 of the present disclosure includes a base portion 1121 and a pair of ridges 1122, the base portion 1121 and the pair of ridges 1122 are sequentially arranged radially outward of the main body portion 111, the bristle row 113 extends outward from the base portion 1121, the bristle row 113 is disposed between the pair of ridges 1122, and the top end of the bristle row 113 is protruded from the pair of ridges 1122.

The present disclosure redesigns the configuration and shape of the first stirring body 110 of the floor brush assembly 1000, designs the protrusion 112 extending spirally from the installation end 1108 to the free end 1109 on the first stirring body 110, designs the protrusion 112 to extend radially outward from the main body 111 to a first radial distance, and the first radial distance gradually decreases from the installation end 1108 to the free end 1109 of the first stirring body 110, so that the radial dimension of the first stirring body 110 from the installation end 1108 to the free end 1109 gradually decreases, and in cooperation with the spiral design of the protrusion 112, the first stirring body 110 of the present disclosure can collect the dirt from outside to inside, thereby improving the dirt collecting efficiency.

In some embodiments of the present disclosure, the base 1121 of the floor brush assembly 1000 has a second radial dimension, and the bristle row 113 has a constant third radial dimension, the second radial dimension decreasing (i.e., tapering) in order in a direction from the mounting end 1108 to the free end 1109, such that the first radial distance decreases in order in a direction from the mounting end 1108 to the free end 1109.

In other embodiments of the present disclosure, the base 1121 of the floor brush assembly 1000 has a constant second radial dimension, and the bristle row 113 has a third radial dimension that decreases sequentially (i.e., tapers) in a direction from the mounting end 1108 to the free end 1109 such that the first radial distance decreases sequentially in a direction from the mounting end 1108 to the free end 1109.

Referring to fig. 1 and 5, according to a preferred embodiment of the present disclosure, the housing 200 includes a non-removable cover 2101, the non-removable cover 2101 being used to at least partially cover the first stirring body 110 but not the second stirring body 120.

Referring to fig. 5, the non-removable cover 2101 includes a pair of tapered inner walls 2104 to contact outer circumferential portions of the pair of first stirring bodies 110, respectively.

In fig. 5, a pair of tapered inner walls 2104 have joints 2105, the position of the joints 2105 corresponding to the position of the gap between the free ends 1109 of the two first stirring bodies 110.

Preferably, the position of the joint 2105 corresponds to the position of the suction mouth 140.

Referring again to fig. 3, a pair of first agitating bodies 110 of the present disclosure are at least partially exposed from the housing 200 to contact the floor to be cleaned.

Referring to fig. 3 and 4, the free ends 1109 of the two first stirring bodies 110 are oppositely arranged, so that the first stirring body 110 of the floor brush assembly 1000 of the present disclosure can collect dirt toward the vicinity of the free ends 1109 when rotating in a rolling manner, thereby improving the dirt collecting efficiency.

Fig. 3 also shows the lower open region of the housing 200, via which the first stirring body 110 can be brought into contact with a surface to be cleaned on the floor. The lower open area may be rectangular or substantially rectangular in shape.

Fig. 4 is a schematic structural view of the floor brush assembly 1000 after an upper portion of the housing 200 is removed. Fig. 7 is a schematic structural view of the floor brush assembly 1000 with the entire housing 200 removed.

Fig. 4 also shows two first motor assemblies 150, each driving one of the first stirring bodies 110. In some embodiments of the present disclosure, the first stirring body 110 is mounted within the housing 200 via the first motor assembly 150. The first stirring body 110 can be driven to rotate by the first motor assembly 150.

Fig. 5 and 6 illustrate a case 200 composed of a first case 210 and a second case 220 according to an embodiment of the present disclosure.

Referring to fig. 5 and 6, in some embodiments of the present disclosure, the housing 200 of the present disclosure is preferably detachably assembled by the first housing 210 and the second housing 220.

Also shown in fig. 6 is a cleaning unit 130 (described in detail below), and in some embodiments of the present disclosure, the cleaning unit 130 is mounted on the second housing 220.

Fig. 8 shows a detailed structure of the pair of first agitating bodies 110 of one embodiment of the present disclosure.

Referring to fig. 8, in some embodiments of the present disclosure, the protrusion 112 includes a base portion 1121 and a pair of ridges 1122 (two ridges 1122), the base portion 1121 and the pair of ridges 1122 being arranged in sequence radially outward from the main body portion 111, the bristle row 113 extending outward from the base portion 1121, the bristle row 113 being disposed between the pair of ridges 1122 and the top end of the bristle row 113 being extended from the pair of ridges 1122.

Fig. 9 shows the structure of the first stirring body 110 when viewed from the free end 1109. Fig. 10 shows the structure of the first stirring body 110 as viewed from the mounting end 1108.

According to the preferred embodiment of the present disclosure, the spiral direction of the protrusion 112 of the first stirring body 110 of the ground brush assembly 1000 of the present disclosure is clockwise when viewed from the free end 1109, and referring to fig. 9, the present disclosure improves the collection effect of the dirt by designing the spiral direction and decreasing (i.e. gradually decreasing) the first radial distance (i.e. the first radial dimension) of the protrusion 112 radially extending outward from the main body 111 from the mounting end 1108 to the free end 1109 of the first stirring body 110 in sequence.

In some embodiments of the present disclosure, referring to fig. 8-10, the base 1121 has a second radial distance (i.e., a second radial dimension) that decreases (i.e., tapers) from the mounting end 1108 to the free end 1109, and the bristle rows 113 have a constant third radial distance (i.e., a third radial dimension), i.e., the bristles of the bristle rows 113 are all the same length.

Fig. 11 shows a dimensional schematic view of the first stirring body 110 of an embodiment of the present disclosure, as shown in fig. 11, the first radial distance of the protrusion 112 gradually decreases in the direction from the mounting end 1108 to the free end 1109, and in fig. 11, d2> d1.

Fig. 12 isbase:Sub>A cross-sectional view taken along the linebase:Sub>A-base:Sub>A of fig. 11. As can be seen in fig. 12, the first radial distance of the protrusion 112 decreases in the direction from the mounting end 1108 to the free end 1109.

In consideration of the arrangement space and reliability of the floor brush assembly 1000 of the present disclosure, the present disclosure preferably drives the second agitating body 120 to rotate using a built-in motor.

An accommodation chamber may be formed within the cylindrical base portion of the second stirring body 120 to accommodate an interior motor, the interior motor may include a motor, an output shaft, and a spline, a driving force of the motor is transmitted to the cylindrical base portion of the second stirring body 120 through the output shaft and the spline, and a motion receiving structure (spline) is provided within the cylindrical base portion to receive a rotational motion output from the interior motor.

Those skilled in the art can make modifications/selections on the specific structure of the built-in motor in light of the technical solution of the present disclosure, and all such modifications/selections fall within the scope of the present disclosure.

The first motor assembly 150 and the built-in motor of the present disclosure may be controlled synchronously via the same motor control board, or may be selectively controlled via the same motor control board or different motor control boards, all falling within the scope of the present disclosure.

The built-in motor of the present disclosure can be detachably fixed within the cylindrical base of the second agitating body 120.

Referring again to fig. 5 and 6, in some embodiments of the present disclosure, the housing 200 of the floor brush assembly 1000 has a first motor assembly receiving part (formed of a first receiving part 2103 and a second receiving part 2203) that receives a motor control board (not shown, such as a circuit board, etc.) and a first motor 151, the motor control board and the first motor 151 being stacked in the first motor assembly receiving part at a distance from each other in the front-rear direction of the floor brush assembly 1000.

In some embodiments of the present disclosure, referring to fig. 5 and 6, a first receptacle 2103 is formed on the first housing 210, a second receptacle 2203 is formed on the second housing 220, and the first receptacle 2103 and the second receptacle 2203 collectively form the first motor assembly receptacle described above.

Referring to fig. 4 and 7, in some embodiments of the present disclosure, two first stirring bodies 110 are respectively driven by one first motor assembly 150, and preferably, the two first motor assemblies 150 are driven by the same motor control board synchronously or by different motor control boards.

The first motor assembly 150 includes a first motor 151 and a transmission mechanism, wherein the rotation motion output by the first motor 151 is transmitted to the first stirring body 110 via the transmission mechanism, the transmission mechanism may be a transmission mechanism based on a pulley or a gear, and a person skilled in the art selects or adjusts a specific structure of the transmission mechanism and the like according to the teachings of the present disclosure, and all of them fall within the protection scope of the present disclosure.

In some embodiments of the present disclosure, the first stirring body 110 receives the driving force of the first motor assembly 150 via the mounting end 1108.

Both fig. 4 and 7 show a second stirring body 120, which second stirring body 120 may be a roller brush or the like, e.g. a roller brush sheathed with a flexible portion.

In some embodiments of the present disclosure, the housing 200 of the floor brush assembly 1000 of the present disclosure includes a removable cover 2102, the removable cover 2102 being removably connected to the housing 200 for at least partially covering the second stirring body 120 but not the first stirring body 110.

Fig. 5 shows the structure of the first housing 210 of the housing 200 according to an embodiment of the present disclosure, and a part (i.e., the removable cover 2102) of the first housing 210 (i.e., the upper housing) may be removed (detached) from the first housing 210, so that the user can perform a detaching operation or a cleaning operation on the second stirring body 120.

In still other embodiments of the present disclosure, referring to fig. 5, the housing 200 includes a non-removable cover 2101 for at least partially covering the first stirring body 110 but not the second stirring body 120, i.e., another portion of the first housing 210 is provided to be non-removable from the first housing 210.

For the above-mentioned respective embodiments of the floor brush assembly 1000, it is preferable that a cleaning unit 130 is further included, and fig. 6 shows the cleaning unit 130. The cleaning unit 130 preferably includes at least one row of comb teeth arranged in the axial direction of the second agitating body 120, one row of comb teeth being shown in fig. 6, and in other embodiments of the present disclosure, two or more rows of comb teeth may be provided, each row of comb teeth being arranged in the axial direction of the second agitating body 120, and a plurality of rows of comb teeth being arranged in the circumferential direction of the second agitating body 120, and preferably each being disposed to interfere with a rear lower region of the second agitating body 120.

In some embodiments of the present disclosure, referring to fig. 6, a cleaning unit 130 is located between the first stirring body 110 and the second stirring body 120, the cleaning unit 130 extending along the entire length or most of the length of the surface of the second stirring body 120 and interfering with the second stirring body 120.

Through the above structural design, make the filth of this disclosed second stirring body 120 adhesion in cleaning work can be cleared up by cleaning unit 130, and then the filth under being cleared up by cleaning unit 130 can be stirred by first stirring body 110 and collect near free end 1109, thereby improve scrubbing brush subassembly 1000's clean effect and clean efficiency.

The present disclosure also provides a surface cleaning apparatus including a floor brush assembly 1000 according to any of the embodiments of the present disclosure.

Among other things, the surface cleaning apparatus of the present disclosure may be a wet surface cleaning apparatus or a non-wet surface cleaning apparatus.

In the description herein, reference to the description of the terms "one embodiment/mode," "some embodiments/modes," "example," "specific example" or "some examples" or the like means that a particular feature, structure, material, or characteristic described in connection with the embodiment/mode or example is included in at least one embodiment/mode or example of the present disclosure. In this specification, the schematic representations of the terms used above are not necessarily intended to be the same embodiment/mode or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments/modes or examples. Furthermore, the various embodiments/aspects or examples and features of the various embodiments/aspects or examples described in this specification can be combined and combined by one skilled in the art without conflicting therewith.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present disclosure, "a plurality" means at least two, e.g., two, three, etc., unless explicitly specifically limited otherwise.

It will be understood by those skilled in the art that the foregoing embodiments are merely for clarity of illustration of the disclosure and are not intended to limit the scope of the disclosure. Other variations or modifications may occur to those skilled in the art, based on the foregoing disclosure, and are still within the scope of the present disclosure.

Claims

1. A floor brush assembly for a surface cleaning apparatus, comprising:

a housing including a roller brush chamber and at least one suction port provided in the roller brush chamber;

two first agitating bodies rotatably mounted in an opposed, depending arrangement within the roller brush chamber; two of said first agitating bodies are arranged laterally suspended within said roller brush chamber such that the longitudinal axes of the first agitating bodies during use are perpendicular or substantially perpendicular at an acute angle to the direction of movement of the floor brush assembly; a gap is formed between the opposite free ends of the two first stirring bodies, and the gap is close to the suction port part;

at least one second stirring body, the second stirring body is arranged in front of the first stirring body, a part of a vacuumizing flow channel is formed between the first stirring body and the second stirring body, and the suction opening part is positioned on the vacuumizing flow channel; and

and a cleaning unit that interferes with the second stirring body, the cleaning unit including at least one row of comb teeth arranged along an axial direction of the second stirring body, the cleaning unit being provided between the first stirring body and the second stirring body, debris on the second stirring body being removable by the cleaning unit based on a relative movement of the cleaning unit and the second stirring body and being transferred to the first stirring body and/or the suction port portion through a part of the evacuation flow path between the first stirring body and the second stirring body.

2. The surface cleaning apparatus floor brush assembly of claim 1, wherein the first agitating body includes a body portion having an outer tapered surface such that a diameter of the mounting end of the first agitating body is greater than a diameter of the free end.

3. A brush assembly according to claim 1, wherein the first agitator body comprises a main body portion having an outer cylindrical surface such that the diameter of the mounting end of the first agitator body is equal or substantially equal to the diameter of the free end; the first stirring body is provided with a spirally extending bristle row in the direction from the mounting end to the free end, the bristle row extends outwards and radially to a first radial distance from the first stirring body, and the first radial distance is sequentially reduced from the mounting end to the direction of the free end.

4. A brush assembly according to claim 1, wherein the first agitator body comprises a main body portion having an outer cylindrical surface such that the diameter of the mounting end of the first agitator body is equal or substantially equal to the diameter of the free end; a protrusion part extending spirally and a bristle row arranged on the protrusion part are arranged on the first stirring body in the direction from the mounting end to the free end, and the bristle row extends outwards and radially from the protrusion part; the projection extends radially outward from the first stirring body to a first radial distance that decreases in order in a direction from the mounting end to the free end.

5. A floor brush assembly according to claim 4, wherein the protrusion comprises a base portion and a pair of ridges, the base portion and the pair of ridges being arranged in series radially outwardly of the first agitator body, the row of bristles extending outwardly from the base portion, the row of bristles being disposed between the pair of ridges and the apex of the row of bristles extending from the pair of ridges.

6. A floor brush assembly according to claim 5, wherein the base has a second radial dimension and the rows of bristles have a constant third radial dimension, the second radial dimensions decreasing in sequence in a direction from the mounting end to the free end such that the first radial distance decreases in sequence in a direction from the mounting end to the free end.

7. A surface cleaning apparatus floor brush assembly according to claim 5, wherein the base has a constant second radial dimension and the rows of bristles have a third radial dimension that decreases in sequence in a direction from the mounting end to the free end such that the first radial distance decreases in sequence in a direction from the mounting end to the free end.

8. The surface cleaning apparatus floor brush assembly of claim 1, wherein the gap is located on the vacuum flow path.

9. A floor brush assembly for a surface cleaning apparatus according to claim 1, wherein the first agitator body and the second agitator body are driven by different motor assemblies;

preferably, the housing comprises a non-removable cover for at least partially covering the first stirring body but not the second stirring body;

preferably, the non-removable cover includes a pair of tapered inner walls to contact outer peripheral portions of the pair of first agitating bodies, respectively;

preferably, the pair of tapered inner walls has a junction at a position corresponding to a position of a gap between free ends of the two first stirring bodies;

preferably, the position of the junction corresponds to the position of the suction mouth.

10. A surface cleaning apparatus comprising a floor brush assembly as claimed in any one of claims 1 to 9;

preferably, the surface cleaning apparatus is a wet surface cleaning apparatus or a non-wet surface cleaning apparatus.