CN115778231A - Scrubbing brush subassembly and surface cleaning equipment - Google Patents

Abstract

The present disclosure provides a ground brush assembly, which is applied to a surface cleaning device, and the surface to be cleaned is cleaned by the ground brush assembly, which includes: a housing part; a first stirring body, and the first stirring body can It is rotatably arranged on the housing part and is suspended in the accommodation space, the first stirring body is arranged laterally in the accommodation space; the second stirring body is arranged in the accommodation space. The front of the first stirring body, a part of the vacuum flow channel is formed between the first stirring body and the second stirring body; the first cover, the first cover is removably arranged on the ground brush assembly , at least partially covering the first stirring body, and not covering the second stirring body; and a second cover, the second cover is integrally formed with the housing, at least partially covering the second stirring body ; Wherein, the second stirring body is configured to be detached from the floor brush assembly in a manner of lateral extraction relative to the second cover. The present disclosure also provides a surface cleaning device.

Description

Floor brush assemblies and surface cleaning equipment

technical field

The present disclosure relates to a ground brush assembly and surface cleaning equipment.

Background technique

Surface cleaning equipment may include dry surface cleaning equipment and wet surface cleaning equipment, wherein a typical example of dry surface cleaning equipment may be cleaning tools such as vacuum cleaners, and a typical example of wet surface cleaning equipment may be cleaning tools such as floor scrubbers.

When the surface cleaning equipment is used, there are generally structures such as rotating brushes or brush rollers, and the dust on the surface to be cleaned is stirred by the roller brushes or brush rollers, and then sucked to the processing device through the suction port for dust and gas separation Finally, solid waste such as dust is kept inside the surface cleaning equipment, and then the clean air is discharged to the outside of the surface cleaning equipment.

The rotation of the cylindrical agitator causes the bristles to sweep along the surface of the carpet and agitate the fibers of the carpet, and as a result of the vacuum suction, the dirt is removed from the fibers of the carpet. Threads such as hair may become entangled around the brush bar or its attachments during removal. This can lead to poor performance of the surface cleaning equipment.

When the ground brush assembly in the prior art cleans the objects entangled on the agitator, it is generally necessary to remove the agitator, and then install the agitator to the surface cleaning equipment after cleaning the agitator. This operation is time-consuming and laborious.

Contents of the invention

In order to solve one of the above technical problems, the present disclosure provides a ground brush assembly and surface cleaning equipment.

According to one aspect of the present disclosure, there is provided a floor brush assembly, which is applied to a surface cleaning device, and the surface to be cleaned is cleaned by the floor brush assembly, which includes:

a housing portion including a receiving space and a suction inlet communicating with the receiving space;

The first stirring body, the first stirring body is rotatably arranged on the housing part, and is suspended in the accommodation space, and the first stirring body is arranged laterally in the accommodation space; wherein, The free end of the first stirring body is disposed adjacent to the suction inlet;

A second stirring body, the second stirring body is arranged in front of the first stirring body, and a part of the vacuum flow channel is formed between the first stirring body and the second stirring body;

a first cover, the first cover is removably disposed on the ground brush assembly, at least partially covers the first stirring body, and does not cover the second stirring body; and

a second cover body, the second cover body is integrally formed with the casing, at least partially covering the second stirring body;

Wherein, the second agitating body is configured to be detached from the floor brush assembly in a manner of drawing laterally relative to the second cover.

According to the floor brush assembly in at least one embodiment of the present disclosure, after the first cover is removed, the first stirring body forms a passage from the front side of the floor brush assembly and the outside.

According to the ground brush assembly of at least one embodiment of the present disclosure, the second agitating body is mounted to or detached from the housing part in a lateral direction.

The floor brush assembly according to at least one embodiment of the present disclosure further includes: a cleaning unit, which is disposed on the housing part and used to clean the outer surface of the second stirring body.

The ground brush assembly according to at least one embodiment of the present disclosure, further comprising:

A latch configured to cooperate with the first cover to removably connect the first cover to the housing portion.

According to the ground brush assembly in at least one embodiment of the present disclosure, the first agitating body includes a fixed end and a free end, and has a main body, the main body has a tapered outer surface, and the main body at the fixed end has greater diameter than the body portion at the free end.

According to the floor brush assembly in at least one embodiment of the present disclosure, the first agitating body includes a fixed end and a free end, and has a main body, the main body has a cylindrical outer surface, and the fixed end and the free end are The body portions have the same or approximately the same diameter.

According to the ground brush assembly in at least one embodiment of the present disclosure, the outer surface of the main body of the first stirring body is provided with a helically extending bristle row in the direction from the fixed end to the free end, and the bristle row extends from the The outer surface of the main body of the first stirring body extends outward for a first radial distance, and the first radial distance decreases sequentially from the fixed end to the free end of the first stirring body.

According to the ground brush assembly in at least one embodiment of the present disclosure, the outer surface of the main body of the first stirring body is provided with a helically extending protrusion in the direction from the fixed end to the free end, and the bristle row is formed from the protrusion. Extend outward.

According to the floor brush assembly in at least one embodiment of the present disclosure, the protrusion extends outward from the outer surface of the main body of the first stirring body for a second radial distance, and the second radial distance is from the first The fixed end of the stirring body decreases successively from the free end.

According to the ground brush assembly according to at least one embodiment of the present disclosure, the protrusion includes a base and a pair of ridges, and the base and the pair of ridges are sequentially radially outward from the outer surface of the main body of the first stirring body. Arranged, the row of bristles extends outwardly from the base and is disposed between the pair of ridges, and the top ends of the row of bristles protrude from the pair of bases.

According to the ground brush assembly in at least one embodiment of the present disclosure, the base has a third radial distance, and the third radial distance decreases sequentially from the fixed end to the free end of the first stirring body, and the bristles The rows have a constant fourth radial distance.

According to the ground brush assembly according to at least one embodiment of the present disclosure, the base has a constant third radial distance, the bristle row has a fourth radial distance, and the fourth radial distance is from the first stirring body The fixed end to the free end decrease in turn.

According to the ground brush assembly in at least one embodiment of the present disclosure, there are two first stirring bodies, the free ends of the two first stirring bodies are close to each other, and a gap is formed between the free ends of the two first stirring bodies , the gap is disposed adjacent to the suction inlet.

According to the floor brush assembly in at least one embodiment of the present disclosure, the two first agitating bodies are respectively driven by respective driving devices.

According to another aspect of the present disclosure, a surface cleaning device is provided, which includes the above-mentioned floor brush assembly.

Description of drawings

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

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

Fig. 2 is a schematic structural view of a ground brush assembly according to an embodiment of the present disclosure.

Fig. 3 is a schematic structural view of a floor brush assembly according to another embodiment of the present disclosure.

Fig. 4 is a schematic structural view of a ground brush assembly according to another embodiment of the present disclosure.

Fig. 5 is a schematic structural view of a floor brush assembly according to yet another embodiment of the present disclosure.

Fig. 6 is a partial structural schematic diagram of a ground brush assembly according to an embodiment of the present disclosure.

Fig. 7 is a schematic cross-sectional structure diagram of a ground brush assembly according to an embodiment of the present disclosure.

Fig. 8 is a schematic cross-sectional structure diagram of a bearing of a floor brush assembly according to an embodiment of the present disclosure.

Fig. 9 is a schematic structural diagram of a stirring member according to an embodiment of the present disclosure.

Fig. 10 is a schematic bottom view of a floor brush assembly according to an embodiment of the present disclosure.

Fig. 11 is a schematic structural diagram of a second cleaner according to an embodiment of the present disclosure.

FIG. 12 is an enlarged schematic view of part A of FIG. 11 .

Fig. 13 is a schematic structural diagram of a second cleaner according to an embodiment of the present disclosure. The reference signs in the figure are specifically:

10 floor brush assembly

100 connection part

110 electrical connection terminals

120 connectors

130 scroll wheel

140 suction pipe

150 support part

151 Steps

152 Hook part

160 drive unit

170 Active Timing Pulley

180 driven synchronous pulley

200 Housing

210 storage space

220 suction inlet

300 first cover body

400 bearings

410 drive rod

411 drive shaft

412 drive

500 first stirring body

501 Main body

510 bristle row

520 protrusions

521 base

522 spine

600 second stirring body

620 second cover

640 cleaning unit

641 Clean up bumps

800 cleaning parts

810 Clean the base

820 scraper

821 First slope

822 Second slope.

Detailed ways

The present disclosure will be further described in detail below with reference to the drawings and embodiments. It can be understood that the specific implementation manners described here are only used to explain relevant content, rather than to limit the present disclosure. It should also be noted that, for ease of description, only parts related to the present disclosure are shown in the drawings.

It should be noted that, in the case of no conflict, the implementation modes and the features in the implementation modes in the present disclosure can be combined with each other. The technical solutions of the present disclosure will be described in detail below with reference to the accompanying drawings and in combination with implementation manners.

Unless otherwise specified, the illustrated exemplary embodiments/embodiments are to be understood as exemplary features providing various details of some manner in which the technical idea of the present disclosure can be implemented in practice. Therefore, unless otherwise stated, the features of various embodiments/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 figures is generally used to clarify the boundaries between adjacent features. As such, unless stated otherwise, the presence or absence of cross-hatching or shading conveys or indicates no specific material, material properties, dimensions, proportions, commonality between the illustrated components, and/or any other characteristic of the components, Any preferences or requirements for attributes, properties, etc. Also, in the drawings, the size and relative sizes of components may be exaggerated for clarity and/or descriptive purposes. While exemplary embodiments may be implemented differently, a specific process sequence may be performed in an order different from that described. For example, two consecutively described processes may be performed substantially simultaneously or in an order reverse to that described. In addition, the same reference numerals denote the same components.

When an element is referred to as being "on" or "over", "connected to" or "coupled to" another element, the element may be directly on, directly connected to, or Or directly bonded to the other component, or intermediate components 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. To this end, the term "connected" may refer to a physical connection, an electrical connection, etc., with or without intervening components.

For descriptive purposes, this disclosure may use terms such as "under", "beneath", "below", "under", "above", "on", "on" ... above", "higher" and "side (e.g., as in "side walls")", etc., to describe one component compared to another (other) component as shown in the drawings Relationship. 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 "below" can encompass both an orientation of "above" and "beneath". Moreover, the device may be otherwise positioned (eg, rotated 90 degrees or at other orientations), and thus 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" and "the" are intended to include the plural forms as well, unless the context clearly dictates otherwise. In addition, when the terms "comprising" and/or "comprising" and their variants are used in this specification, it means that the stated features, integers, steps, operations, parts, components and/or their groups exist, but do not exclude One or more other features, integers, steps, operations, parts, components and/or groups thereof are present or in addition. Note also that, as used herein, the terms "substantially," "about," and other similar terms are used as terms of approximation and not as terms of degree, and as such, they are used to explain what one of ordinary skill in the art would recognize. Inherent deviations from measured, calculated and/or supplied values.

Fig. 1 and Fig. 2 are structural schematic diagrams of a ground brush assembly of a surface cleaning device according to an embodiment of the present disclosure. 3 and 4 are schematic structural views of a floor brush assembly according to another embodiment of the present disclosure.

The floor brush assembly 10 shown in FIGS. 1 to 4 can be applied to a surface cleaning device, and when a user operates the surface cleaning device, the surface to be cleaned can be cleaned by the floor brush assembly.

The ground brush assembly 10 may include a connection part 100, so that the ground brush assembly 10 is connected to the frame part of the surface cleaning device through the connection part 100, and the housing part 200 of the ground brush assembly 10, the first stirring body 500 and the Components such as the second stirring body 600 can always be kept on or near the surface to be cleaned, and the surface to be cleaned can be cleaned by the first stirring body 500 and the second stirring body 600 .

In an implementation form, the connecting part 100 can be formed as a buckle structure, thereby facilitating the user to install the ground brush assembly 10 on the frame part of the surface cleaning device and disassemble it from the frame part of the surface cleaning device; at this time, The frame part can also be installed with different floor brush assemblies 10 and realize cleaning in different ways.

In a preferred solution, the connection part 100 is also provided with an electrical connection terminal 110, so that when the connection part 100 is connected to the frame part of the surface cleaning device, the electrical connection terminal 110 can be connected to the battery of the frame part. connected to supply power to the driving device 160 of the floor brush assembly 10.

The ground brush assembly 10 may also include a housing part 200, the housing part 200 is connected to the connecting part 100 through a connecting piece 120, and in a preferred embodiment, the connecting piece 120 may be a universal joint , so that the frame portion can be tilted in multiple directions relative to the housing portion 200 .

In one embodiment, the casing part 200 is rotatably provided with a scroll wheel 130, so that when the floor brush assembly 10 is cleaning, the floor brush assembly 10 can be cleaned by rotating the scroll wheel 130 on the surface to be cleaned. of the mobile.

Referring again to FIG. 1 to FIG. 4 , the ground brush assembly 10 may further include a first cover 300 disposed on the casing part 200 . In one embodiment, the first cover body 300 is detachably arranged on the housing part 200, and an inner space is formed between the housing part 200 and some components of the ground brush assembly 10, such as The driving device 160 and the like can be arranged in the inner space.

Thus, when the first cover body 300 is disassembled, the first stirring body 500 forms a passage from the front side of the ground brush assembly 10 and the outside world, so that the first stirring body 500 can be cleaned conveniently, and the cleaning After the first stirring body 500 is finished, the first cover body 300 can then be installed on the housing part 200 , thus, it is very convenient for the customer to clean the first stirring body 500 .

In a preferred embodiment, the second stirring body 600 is a fluff brush. When the fluff brush is in use, it is easy to entangle hair and other objects, requiring frequent cleaning and maintenance; in the present disclosure, the second cover body 620 is at least partially The second stirring body 600 is covered, and the second cover body 620 is integrally formed with the casing part 200 . At this time, the second stirring body 600 can be configured to draw from the Remove it from the ground brush assembly.

In actual use, the user first disassembles the second stirring body 600 from the floor brush assembly, and then manually or automatically cleans the second stirring body 600, such as removing hair and other objects wound around the second stirring body 600, Then the second agitator 600 is mounted on the casing part 200 of the ground brush assembly in a horizontal manner.

Fig. 5 is a schematic structural view of a floor brush assembly according to yet another embodiment of the present disclosure. Fig. 6 is a schematic partial structural view of a floor brush assembly of a surface cleaning device according to an embodiment of the present disclosure.

As shown in FIGS. 1 to 6 , the housing part 200 includes an accommodation space 210 and a suction inlet 220 communicating with the accommodation space 210 ; in this disclosure, the accommodation space 210 may also be referred to as a roller brush chamber, roller brush chamber or brush roller chamber, etc.

Wherein, the accommodating space 210 can accommodate components such as the first stirring body 500, and the suction inlet 220 can be communicated with the suction pipe 140, so that the mixture of dust and gas, or dust, cleaning liquid after use The mixture of gas and gas can pass through the suction inlet 220 , enter the suction pipe 140 , and be sucked to the frame portion of the surface cleaning device via the suction pipe 140 .

In a preferred embodiment, the first cover body 300 and the casing part 200 jointly form the above-mentioned accommodation space 210; in a more preferred embodiment, the first cover body 300 and the casing part The parts 200 collectively form a suction inlet 220 described below.

As shown in FIG. 1 to FIG. 7 , the ground brush assembly 10 of the present disclosure further includes a first agitating body 500 , the first agitating body 500 is arranged on the driving rod 410 and is located in the accommodating space 210 , through the The driving rod 410 drives the first stirring body 500 to rotate.

The structure of the first stirring body 500 will be described in detail below with reference to the accompanying drawings.

Fig. 9 is a schematic structural diagram of a stirring member according to an embodiment of the present disclosure.

In one embodiment, as shown in FIG. 6 , the first stirring body 500 is suspended so that the first stirring body 500 has a fixed end and a free end, wherein the fixed end is connected to the driving rod 410 The free end is the suspended end.

As an implementation form, the outer contour of the first stirring body 500 is conical or substantially conical, and at least part of the first stirring body 500 is in contact with the surface to be cleaned. For example, at least part of the bristles of the bristle rows 510 of the first stirring body 500 contact the surface to be cleaned, so as to disturb the dust on the surface to be cleaned, so as to clean the surface to be cleaned.

Continuing to refer to FIG. 5 and FIG. 6 , the first stirring body 500 of the present disclosure is disposed laterally, for example, disposed laterally in the accommodation space. Wherein, when the surface cleaning device is in use, the user will move the ground brush assembly forward or backward, thus, the front and rear direction of the ground brush assembly is the longitudinal direction of the ground brush assembly, and the transverse direction is approximately perpendicular to the longitudinal direction. direction. Those skilled in the art should know that the first stirring body 500 is arranged horizontally does not mean that the rotation axis OX of the first stirring body 500 is perpendicular to the longitudinal direction, but that the rotation axis OX and the longitudinal direction may form a preset angle, which The preset angle can be within a certain range. Moreover, the horizontal direction does not refer to the horizontal direction, and the horizontal direction may form a certain angle with the horizontal direction.

As shown in Figure 6, in the present disclosure, the first stirring body 500 is provided in two, and the free ends of the two first stirring bodies 500 are arranged close to each other, and have a preset distance; thus making the first stirring body A gap is formed between the two free ends of 500 .

More preferably, the gap between the two first agitating bodies 500 corresponds to the position of the suction inlet, for example, the gap is set adjacent to the suction inlet, so that the disturbed dust can follow the spirally arranged The protrusions 520 are transported to the vicinity of the suction inlet, so that the disturbed dust can be conveniently sucked into the suction inlet, which greatly improves the cleaning effect.

In the present disclosure, as shown in FIG. 5 , the first agitating body 500 is set toward the suction inlet from the fixed end to the free end, so that the surface to be cleaned agitated by the first agitating body 500 Dust on the surface can be sucked into the suction inlet more easily.

That is to say, through the first stirring body 500 arranged in this way, the first stirring body 500 can make the circulation path between the second stirring body 600 and the first stirring body 500 smoother, and the cleaning effect of the surface to be cleaned is also better. good.

In a specific embodiment, as shown in FIG. 5 , the first stirring body 500 has a rotation axis OX, and the rotation axis OX is aligned with the front of the ground brush assembly (that is, when the ground brush assembly is cleaning the surface to be cleaned). The included angle of the moving direction) is between 83° and 87°; more preferably, the included angle may be 85°. In other words, the first stirring body 500 is inclined backward at an angle of about 5°.

In one embodiment, the first agitating bodies 500 are respectively driven by respective driving devices 160, that is to say, when there are two first agitating bodies 500, the driving devices 160 are also set to two .

The first stirring body 500 has a main body 501 with an outer cylindrical surface, the diameters of both ends of the main body 501 are substantially equal, and the outer diameter of the bearing 400 is greater than or equal to the diameter of the main body 501 .

In another embodiment, the first stirring body 500 has a main body portion 501, the main body portion 501 has a tapered outer surface, and the main body portion 501 at the fixed end has a larger diameter than the main body portion 501 at the free end. diameter of.

As another implementation form, as shown in FIG. 9 , the outer surface of the main body 501 of the first stirring body 500 is provided with a helically extending bristle row 510 in the direction from the fixed end to the free end, and the bristle row 510 510 extends outward from the outer surface of the main body portion 501 of the first stirring body 500 for a first radial distance, and the first radial distance decreases sequentially from the fixed end to the free end of the first stirring body 500, At this time, when the first stirring body 500 rotates, the bristle row 510 can contact the surface to be cleaned, so as to disturb the dust on the surface to be cleaned.

More preferably, the outer surface of the main body 501 of the first stirring body 500 is provided with a spirally extending protrusion 520 in the direction from the fixed end to the free end, and the bristle row 510 extends outward from the protrusion 520 .

In the present disclosure, the protrusion 520 extends outward from the outer surface of the main body portion 501 of the first stirring body 500 for a second radial distance, and the second radial distance is from the fixed end of the first stirring body 500 Decreases to the free end.

In a specific implementation form, the protrusion 520 includes a base 521 and a pair of ridges 522, and the base 521 and a pair of ridges 522 radially extend from the outer surface of the main body 501 of the first stirring body 500. The rows of bristles 510 extend outward from the base 521 and are arranged between the pair of ridges 522 , and the top ends of the rows of bristles 510 protrude from the pair of bases 521 .

In one implementation form, the base portion 521 has a third radial distance, the third radial distance decreases sequentially from the fixed end to the free end of the first stirring body 500, and the bristle row 510 has a constant Fourth radial distance.

In another implementation form, the base portion 521 has a constant third radial distance, the bristle row 510 has a fourth radial distance, and the fourth radial distance is from the fixed end of the first stirring body 500 Decreases to the free end.

In the present disclosure, the ground brush assembly 10 further includes a support part 150; in one embodiment, the support part 150 can be fixed to the housing part 200, of course, the support part 150 can also be fixed to the first cover 300 and other structures.

The supporting part 150 is used to fix the driving device 160 . In one embodiment, the driving device 160 can be a common motor such as a DC motor or a stepping motor, and can be held by the supporting part 150 . Of course, the driving device 160 can also be fixed to the housing part 200 and held by the housing part 200 . More preferably, the driving device 160 can be jointly held by the supporting part 150 and the housing part 200 .

In a preferred embodiment, the support portion 150 can be formed separately from the housing portion 200 , of course, those skilled in the art should know that the support portion 150 can also be integrally formed with the housing portion 200 forming.

As shown in Figure 6, the output shaft of the driving device 160 is equipped with a driving synchronous pulley 170, and the driven rod 410 is equipped with a driven synchronous pulley 180, between the driving synchronous pulley 170 and the driven synchronous pulley 180 They are connected through a synchronous belt drive, so that the drive rod 410 can be driven to rotate by the drive device 160 . Of course, the synchronous belt transmission mechanism can also be replaced by a chain transmission mechanism or a gear transmission mechanism, which will not be described in detail here.

Fig. 7 is a schematic cross-sectional structure diagram of a ground brush assembly according to an embodiment of the present disclosure.

As shown in FIG. 7 , the ground brush assembly 10 may further include a bearing 400. In one embodiment, the bearing 400 may be arranged on the housing part 200, and at this time, a bearing 400 may be formed on the housing part 200. A bearing seat, so that the bearing is arranged in the bearing seat of the housing part 200 .

In another embodiment, as shown in FIG. 7 , the support part 150 is formed with a bearing seat, and the bearing 400 is arranged on the bearing seat of the support part 150, so that the bearing 400 is indirectly arranged on the Housing part 200 .

More preferably, as shown in FIG. 7, the support portion 150 is formed with a step portion 151, and the bearing 400 can be positioned through the step portion 151; correspondingly, the support portion 150 is also formed with a hook portion 152, the The bearing 400 can also be positioned by the hook portion 152 .

In a preferred embodiment, the number of the bearings 400 is two, such as two ball bearings. Of course, the two bearings 400 can also be arranged as angular contact bearings installed back-to-back or face-to-face.

The outer ring of one of the two bearings 400 is positioned by the step portion 151, and the outer ring of the other of the two bearings 400 is positioned by the hook portion 152, so that the shaft of the two bearings 400 is realized. Fixed to the position.

As shown in FIG. 7 , the ground brush assembly 10 of the present disclosure further includes a driving rod 410 , the driving rod 410 is arranged on the bearing 400 and is rotatably supported by the bearing 400 , that is to say, the driving rod 410 410 can be fixed on the inner ring of the bearing 400, for example, the size of the driving rod 410 can be slightly larger than the inner diameter of the inner ring of the bearing 400, so that the driving rod 410 can not produce a shaft relative to the bearing 400 through an interference fit. to the movement.

Moreover, due to the characteristics of the bearing 400 , the driving rod 410 can rotate, and at this time, the driving device 160 can drive the driving rod 410 to rotate.

In the present disclosure, one end of the driving rod 410 is located in the accommodation space 210, and the first stirring body 500 is installed at this end; the other end of the driving rod 410 is located outside the accommodation space 210, and at this end A driven timing pulley 180 is installed.

At this time, the bearing 400 is configured such that when the first stirring body 500 is installed on the driving rod 410, the outer peripheral surface of the bearing 400 (that is, the outer peripheral surface of the outer ring of the bearing 400 ) contacts the housing. In the state of the body part 200, the first stirring body 500 is rotatably held in the housing part 200; and the outer diameter of the bearing 400 is less than or equal to the maximum diameter.

Thus, through the arrangement of the above-mentioned bearing 400, the first stirring body 500 can be stably supported, the running stability of the floor brush assembly 10 is improved, and thus the cleaning effect of the surface to be cleaned is improved.

In one embodiment, the outer diameter of the bearing 400 is smaller than or equal to the outer diameter of one end of the first stirring body 500 fixed to the driving rod 410 .

In another embodiment, the outer diameter of the bearing 400 is smaller than or equal to the minimum outer diameter of the outer peripheral surface of the first stirring body 500 . For example, the outer diameter of the bearing 400 is smaller than or equal to the outer diameter of the end of the first stirring body 500 away from the driving rod 410 .

In the present disclosure, as shown in FIG. 7 , the driving rod 410 includes a driving shaft 411 and a driving member 412 , wherein one end of the driving shaft 411 passes through the bearing 400 and is at least partially located in the accommodation space 210 , the driving member 412 is installed on the one end of the driving shaft 411 and is located in the accommodation space 210; wherein, the driving shaft 411 is fixed with the above-mentioned driven synchronous pulley 180, and the driving member 412 and The first stirring body is connected by transmission.

As shown in FIG. 1 , the first housing 300 includes a pair of tapered inner walls, and the outer surface of the first stirring body 500 is in contact with the tapered inner walls.

More preferably, the pair of tapered inner walls includes a joint, the joint is the position where the two tapered inner walls intersect, and the position of the joint is between the free ends of the pair of first stirring bodies 500 corresponding to the gap position. Furthermore, the position of the joint corresponds to the position of the suction inlet 220 .

More preferably, the ground brush assembly may further include a second stirring body 600, which is rotatably arranged on the housing part 200 and located in front of the first stirring body 500, the second stirring body 600 A part of the vacuum flow path is formed between the first stirring body 500 and the second stirring body 600 , so that the surface to be cleaned can be cleaned more cleanly through the arrangement of the first stirring body 500 and the second stirring body 600 . Specifically, when the surface cleaning device cleans the surface to be cleaned, when the ground brush assembly moves forward, the surface to be cleaned is first cleaned by the second stirring body 600, and the dust on the surface to be cleaned is stirred; Clean the surface to be cleaned, agitate the dust on the surface to be cleaned, thereby making the surface to be cleaned cleaner after cleaning.

In the present disclosure, the second stirring body 600 can be driven to rotate, for example, the second stirring body 600 can be formed in the form of a cylindrical roller brush, and a driving device such as a motor can be arranged on the second stirring body 600, so that the second stirring body 600 can rotate. Correspondingly, at this time, both ends of the second stirring body 600 are rotatably supported by the housing part 200 through bearings. In a preferred embodiment, the second stirring body 600 can also be arranged laterally and horizontally.

Fig. 10 is a schematic bottom view of a floor brush assembly according to an embodiment of the present disclosure.

In a specific example, as shown in FIG. 10 , the ground brush assembly further includes: a cleaning unit 640 , the cleaning unit 640 is arranged on the housing portion 200 for cleansing the outer surface of the second stirring body 600 to clean up.

Moreover, as shown in Figure 7, the ground brush assembly also includes: a cleaning component 800, which is arranged between the first stirring body 500 and the second stirring body 600, and is connected with the first stirring body 500 Intervene to remove debris on the first stirring body 500 and transfer the debris to the second stirring body 600 and/or suction inlet 220 through a part of the vacuum flow channel; wherein the cleaning The component 800 includes an interference portion that interferes with the first stirring body 500 .

More preferably, the interference part of the cleaning member 800 can be configured to exist in the direction from the fixed end to the free end of the first stirring body 500, thereby increasing the interference position/position between the cleaning member 800 and the first stirring body 500 Interference area.

In a specific embodiment, the cleaning member 800 is configured to extend from the housing part 200 in a gradually widening manner along the direction from the fixed end to the free end of the first stirring body 500, thereby , the cleaning member 800 can interfere with the outer surface of the main body portion 501 of the conical first stirring body 500 to improve the cleaning efficiency of the first stirring body 500 by the cleaning member 800 .

In the present disclosure, the cleaning component 800 includes components such as a cleaning base 810 and a scraping strip 820 .

The cleaning base 810 is formed by extending from the housing part 200; of course, those skilled in the art should know that the cleaning base 810 can also be formed independently and fixed to the housing part 200; in a preferred In an embodiment, the cleaning base 810 can exist through the housing part 200 , of course, the cleaning base 810 may not penetrate the housing part 200 .

The scraper 820 is formed on the side of the cleaning base 810, and the above-mentioned interference part is formed by the scraper 820; Differently, the first stirring body 500 can be in contact with the upper or lower edge of the scraper 820 , thereby removing solid waste such as dust on the surface of the first stirring body 500 . In a preferred embodiment, the scraping bar 820 is only in contact with the bristle row 510 of the first stirring body 500 , thereby cleaning the dirt on the bristle row 510 .

In the present disclosure, as shown in FIG. 7 , the cleaning base 810 is configured to extend from the housing part 200 in a gradually widening manner along the direction from the fixed end of the second stirring body to the free end. It is set so that the scraping bar 820 interferes with the first stirring body 500 in the direction from the fixed end to the free end of the first stirring body 500 .

When the number of the first stirring bodies 500 is different, correspondingly, the structure of the cleaning member 800 is also different. For example, when the number of the first stirring body 500 is one, the cleaning base 810 may change with the outer surface of the main body 501 of the first stirring body 500 .

On the other hand, when the number of the first stirring body 500 is two, the scraper 820 may include a first inclined portion 821 and a second inclined portion 822, and the first inclined portion 821 and the second inclined portion 822 is formed as a V-shaped structure, and the corner of the V-shaped structure faces the suction inlet 220 , so that the two first agitating bodies 500 can be cleaned simultaneously by the scraper bar 820 .

The scraper 820 is configured to extend from the cleaning base 810 in a gradually widening manner along the direction from the fixed end of the first stirring body 500 to the free end, so that the scraper 820 The direction from the fixed end to the free end of the first stirring body 500 interferes with the first stirring body 500 .

In the present disclosure, the main body portion 501 includes a conical portion and/or a straight cylindrical portion. As a different implementation form, from the fixed end to the free end of the first stirring body 500: the main body part 501 includes a straight cylindrical part, a conical part and a straight cylindrical part in turn, or the main body 501 includes a straight cylindrical part in turn. part and a conical part, or the body part 501 includes a conical part and a straight cylindrical part in sequence.

Fig. 11 is a schematic structural diagram of a cleaning unit according to an embodiment of the present disclosure. FIG. 12 is an enlarged schematic view of part A of FIG. 11 .

In a specific example, as shown in FIG. 11 and FIG. 12 , the cleaning unit 640 includes cleaning protrusions 641 arranged at intervals along the length direction of the second stirring body 600, and the cleaning protrusions 641 partially extend to The second stirring body 600 has a lower edge in it, and the lower edge is aligned with the axis of the second stirring body 600 or located below the axis of the second stirring body 600 .

Fig. 13 is a schematic structural diagram of a cleaning unit according to an embodiment of the present disclosure.

As shown in FIG. 13 , the lower edge of the cleaning protrusion 641 is inclined so that the cleaning protrusion is lower than the horizontal plane where the axis of the second stirring body 600 is located as a whole.

More preferably, the cleaning protrusion 641 also includes an upper edge, and the front end of the upper edge of the cleaning protrusion 641 is inserted into the second stirring body 600, so that the part of the cleaning protrusion 641 inserted into the second stirring body 600 Formed into a pointed shape, objects such as hair cleaned by the cleaning protrusion 641 can be held at the upper edge of the cleaning protrusion 641 at this time.

In the present disclosure, the upper edge of the cleaning protrusion 641 is inclined downward along the direction from front to back, so that the cleaning protrusion 641 can accommodate more garbage and extend the interval between disassembling the second stirring body 600 twice. time.

In a preferred embodiment, the axis of the second stirring body 600 is arranged transversely and horizontally.

In the present disclosure, the ground brush assembly may further include a latch (not shown in the figure), and the latch is configured to be combined with the first cover body 300 to remove the first cover body 300 The ground is connected to the housing part 200; as for the structure of the latch, conventional implementation forms in the field can be adopted, and details will not be repeated here.

In the description of this specification, descriptions referring to the terms "one embodiment/mode", "some embodiments/modes", "examples", "specific examples", or "some examples" mean that the embodiments/modes are combined The specific features, structures, materials or characteristics described in or examples are included in at least one embodiment/mode or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment/mode or example. Moreover, the described specific features, structures, materials or characteristics may be combined in any one or more embodiments/modes or examples in an appropriate manner. In addition, those skilled in the art may combine and combine different embodiments/modes or examples and features of different embodiments/modes or examples described in this specification without conflicting with each other.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, the features defined as "first" and "second" may explicitly or implicitly include at least one of these features. In the description of the present application, "plurality" means at least two, such as two, three, etc., unless otherwise specifically defined.

It should be understood by those skilled in the art that the above-mentioned embodiments are only for clearly illustrating the present disclosure, rather than limiting the scope of the present disclosure. For those skilled in the art, other changes or modifications can be made on the basis of the above disclosure, and these changes or modifications are still within the scope of the present disclosure.

Claims (10)

1. A floor brush assembly for use with a surface cleaning device and for cleaning a surface to be cleaned by the floor brush assembly, comprising:

a housing portion including an accommodating space and a suction inlet communicating with the accommodating space;

a first agitating body rotatably provided to the housing portion and arranged in a suspended manner in the accommodating space, the first agitating body being arranged laterally within the accommodating space; wherein the free end of the first stirring body is disposed adjacent to the suction inlet;

the second stirring body is arranged in front of the first stirring body, and a part of a vacuumizing flow channel is formed between the first stirring body and the second stirring body;

a first cover removably disposed on the floor brush assembly, at least partially covering the first stirring body, and not covering the second stirring body; and

a second cover formed integrally with the housing, at least partially covering the second stirring body;

wherein the second agitator is configured to be removable from the floor brush assembly in a laterally extracted manner relative to the second housing.

2. The floor brush assembly of claim 1, wherein the first agitator forms a path from the front side of the floor brush assembly and the environment when the first housing is removed.

3. A floor brush assembly according to claim 1, wherein the second stirring body is mounted to or dismounted from the housing part in a transverse direction.

4. The floor brush assembly of claim 1, further comprising: and the cleaning unit is arranged on the shell part and used for cleaning the outer surface of the second stirring body.

5. The floor brush assembly of claim 1, further comprising:

a latch configured to mate with the first cover to removably connect the first cover to the housing portion.

6. The floor brush assembly of claim 1, wherein the first agitator body includes a fixed end and a free end and has a main body portion having a tapered outer surface such that the main body portion at the fixed end has a larger diameter than the main body portion at the free end.

7. A floor brush assembly as claimed in claim 1, wherein the first agitating body comprises a fixed end and a free end and has a main body portion having a cylindrical outer surface such that the main body portion at the fixed end and the free end have the same or substantially the same diameter.

8. A floor brush assembly according to claim 6 or 7, wherein the outer surface of the main body portion of the first agitator body is provided with helically extending rows of bristles extending in a direction from the fixed end to the free end, and the rows of bristles extend outwardly from the outer surface of the main body portion of the first agitator body a first radial distance which decreases in order from the fixed end to the free end of the first agitator body.

9. The floor brush assembly of any of claims 1-8, characterized in that the outer surface of the body portion of the first stirring body is provided with a helically extending protrusion in a direction from the fixed end to the free end, from which protrusion the bristle rows extend outwardly;

optionally, the protrusion extends outwardly from the outer surface of the main body portion of the first stirring body by a second radial distance, the second radial distance decreasing in order from the fixed end to the free end of the first stirring body;

optionally, the protrusion comprises a base portion and a pair of ridge portions, the base portion and the pair of ridge portions are sequentially arranged from the outer surface of the main body portion of the first stirring body radially outwards, the bristle rows extend outwards from the base portion and are arranged between the pair of ridge portions, and the top ends of the bristle rows extend out of the pair of base portions;

optionally, the base has a third radial distance that decreases in order from the fixed end to the free end of the first stirring body, the bristle rows having a constant fourth radial distance;

optionally, the base has a constant third radial distance, the bristle rows have a fourth radial distance that decreases in order from the fixed end to the free end of the first stirring body;

optionally, the first stirring bodies are provided in two, the free ends of the two first stirring bodies are close to each other, and a gap is formed between the free ends of the two first stirring bodies, and the gap is provided adjacent to the suction inlet;

alternatively, the two first stirring bodies are driven by respective driving means.

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

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