CN215078109U

CN215078109U - Scrubbing brush and ground cleaning equipment

Info

Publication number: CN215078109U
Application number: CN202121018329.2U
Authority: CN
Inventors: 檀冲; 梁蓉蓉; 周卓
Original assignee: Beijing Puppy Vacuum Cleaner Group Co Ltd
Current assignee: Beijing Puppy Vacuum Cleaner Group Co Ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2021-12-10
Anticipated expiration: 2031-05-13

Abstract

This patent relates to a scrubbing brush and ground cleaning device, includes: the bottom end face is arranged towards the surface to be cleaned; the rolling brush is arranged on the end face of the bottom and is communicated with a liquid supply assembly for injecting cleaning liquid into the rolling brush; and the wiping part is arranged at the downstream of the rolling direction of the roller brush so as to wipe water stains left on the surface to be cleaned by the wet roller brush. The utility model discloses an add the portion of cleaning at the round brush rear side, can eliminate subaerial water stain, avoid the ground wet and smooth and avoid the rear wheel body to leave the vestige subaerial.

Description

Scrubbing brush and ground cleaning equipment

Technical Field

This patent belongs to cleaning equipment technical field, particularly relates to a scrubbing brush and ground cleaning device.

Background

When cleaning the floor, the floor cleaning device usually uses a wet rolling brush to clean the floor. Then, the wet roller brush is easy to leave water stains on the ground, which not only causes the ground to be wet and smooth, but also causes the rear wheel body to leave traces on the ground, and affects the cleaning effect on the ground.

SUMMERY OF THE UTILITY MODEL

In view of the foregoing analysis, the utility model aims to provide a scrubbing brush and ground cleaning device for the round brush of solving current ground cleaning device leaves water stain subaerial, not only leads to the wet and slippery danger that takes place to skid easily on ground, and the equipment wheel body can leave the vestige through wet and slippery ground moreover, influences the problem of clean effect.

The purpose of the utility model is realized like this:

in a first aspect, there is provided a floor brush comprising:

the bottom end face is arranged towards the surface to be cleaned;

the rolling brush is arranged on the end face of the bottom and is communicated with a liquid supply assembly for injecting cleaning liquid into the rolling brush;

and the wiping part is arranged at the downstream of the rolling direction of the roller brush so as to wipe water stains left on the surface to be cleaned by the wet roller brush.

Further, the wiping portion includes a water absorbing material.

Further, the front wheel body is located on the rear side of the rolling brush, and the front wheel body is located between the wiping portion and the rolling brush.

Further, the floor brush is provided with a rear wheel body which is positioned at the downstream of the moving direction of the wiping part.

Further, the wiping width of the wiping portion in the direction perpendicular to the cleaning movement direction is not smaller than the axial cleaning width of the roll brush.

Further, the length value of the wiping portion in the cleaning movement direction is equal to 1 to 2 times the value of the outer diameter of the roll brush.

Further, the wiping part can be detachably arranged on the bottom end surface of the floor brush.

Furthermore, the wiping part is arranged on the bottom end surface of the floor brush in a bonding, magnetic attraction or plugging mode through the connecting piece.

Furthermore, the connecting piece comprises a first connecting part and a second connecting part matched with the first connecting part; the first connecting portion are arranged on the bottom end face of the floor brush, and the second connecting portion are arranged on the upper end face of the wiping portion.

Furthermore, a first containing cavity and a second containing cavity are arranged on the bottom end face of the floor brush, and a part of the rolling brush is arranged in the first containing cavity; the first end of the wiping part is arranged in the second containing cavity, and the second end of the wiping part extends out of the second containing cavity to be in contact with a surface to be cleaned.

Furthermore, the first connecting portion and the second connecting portion are adhesive tapes, the first adhesive tape is arranged on the cavity wall of the second accommodating cavity, and the second adhesive tape is arranged at the first end of the wiping portion.

Further, in the first state, the lower end part of the wiping part protrudes out of the plane where the bottom ends of the roller brush and the front wheel body and the rear wheel body are located; in the second state, the lower end part of the wiping part contracts under the action of pressure and then contacts with the surface to be cleaned.

In a second aspect, there is provided a floor cleaning appliance comprising a floor brush according to any of the preceding claims.

Further, the floor cleaning device also comprises a machine body, and the machine body is pivotally connected with the floor brush.

Further, a liquid supply assembly and a liquid recovery assembly are arranged on the machine body; the liquid supply assembly comprises a liquid supply barrel, and the liquid supply barrel is communicated with the rolling brush through a liquid supply channel so as to inject cleaning liquid into the rolling brush; the recycling liquid assembly comprises a vacuum source and a recycling bin, wherein the vacuum source is communicated with the suction inlet at the bottom of the floor brush through a fluid channel so as to recycle the cleaning liquid on the surface to be cleaned.

Further, the recovery barrel and the liquid supply barrel are both detachably assembled on the machine body.

Furthermore, the recovery barrel and the liquid supply barrel are respectively positioned in front of and behind the axis of the machine body; the volume of the liquid supply barrel is larger than that of the recovery barrel.

Further, the floor cleaning equipment also comprises a handle assembly, wherein the handle assembly comprises a connecting rod extending outwards from the top end of the machine body and a holding part arranged on the connecting rod, and the holding part is used for being held by an operator.

Furthermore, the upper end of the machine body is provided with a display screen, and the included angle alpha between the axis of the display screen and the axis of the connecting rod is less than or equal to 50 degrees.

Furthermore, alpha is more than or equal to 10 degrees and less than or equal to 30 degrees.

Compared with the prior art, the utility model discloses can realize one of following beneficial effect at least:

a) through add the portion of wiping at the round brush rear side, can wipe the water stain that moist round brush left on ground, avoid the wet and smooth and avoid the rear wheel body to leave the vestige on ground.

b) The lower end of the wiping part contracts under the action of pressure and then is positioned on the same plane with the bottom end of the rolling brush and the bottom ends of the front wheel body and the rear wheel body, so that the contact performance between the wiping part and the ground can be improved, and the wiping effect is improved.

c) The display screen is the slope form and sets up in the top of fuselage, when cleaning device was in the user state on subaerial removal, the more convenient to use person looked over the information that shows in the display screen.

Drawings

In order to more clearly illustrate the embodiments of the present specification or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the embodiments of the present specification, and other drawings can be obtained by those skilled in the art according to the drawings.

FIG. 1 is a first schematic structural view of a floor brush of the present invention;

FIG. 2 is a second schematic structural view of the floor brush of the present invention;

FIG. 3 is a third schematic structural view of the floor brush of the present invention;

FIG. 4 is a fourth schematic structural view of the floor brush of the present invention;

FIG. 5 is a schematic view of the floor cleaning apparatus with the wiping portion in a separated state;

FIG. 6 is a schematic view of the floor care appliance of the present invention in an upright position;

fig. 7 is a schematic structural view of the floor cleaning device of the present invention in an inclined operating state.

Reference numerals:

1-a floor brush; 11-a base plate; 12-rolling brush; 13-a wiping section; 14-a second cavity; 15-front wheel body; 16-rear wheel body; 2-a fuselage; 21-a liquid supply barrel; 22-recycling bin; 23-a display screen; 3-a handle assembly; 31-a grip portion; 32-connecting rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the embodiments of the present invention, it should be noted that, unless explicitly stated or limited otherwise, the term "connected" should be interpreted broadly, and may be, for example, a fixed connection, a detachable connection, or an integral connection, which may be a mechanical connection, an electrical connection, which may be a direct connection, or an indirect connection via an intermediate medium. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

The terms "top," "bottom," "above … …," "below," and "on … …" as used throughout the description are relative positions with respect to components of the device, such as the relative positions of the top and bottom substrates inside the device. It will be appreciated that the devices are multifunctional, regardless of their orientation in space.

The utility model discloses usual working face can be plane or curved surface, can incline, also can the level. For convenience of explanation, the embodiments of the present invention are placed on a horizontal plane and used on the horizontal plane, and are defined as "high and low" and "up and down".

Example one

A specific embodiment of the present invention, as shown in fig. 1-4, discloses a floor brush, comprising:

the bottom end face is arranged towards the surface to be cleaned;

the rolling brush 12 is arranged on the bottom end face, and is communicated with a liquid supply assembly for injecting cleaning liquid into the rolling brush 12;

and a wiping part 13, wherein the wiping part 13 is arranged at the downstream of the rolling direction of the roller brush 12 to wipe water stains left on the surface to be cleaned by the wet roller brush.

When scrubbing brush 1 is treating when clear subaerial the removal, supply the liquid subassembly to pour into the cleaning solution into round brush 12 for round brush 12 forms moist round brush 12, and the round brush 12 after moist can leave water stain after cleaning ground, cleans portion 13 and can clean water stain, with eliminate subaerial water stain, avoid the wet cunning of ground and avoid the wheel body to leave the vestige subaerial.

In this embodiment, the wiping portion 13 is disposed downstream of the rolling direction of the rolling brush 12, and is capable of wiping the cleaning liquid left by the rolling brush 12 through the ground, the wiping portion 13 may wrap or partially wrap the rolling brush 12, or the wiping portion 13 may be disposed on one side of the rolling brush 12, if the wiping portion 13 is located on the rear side of the rolling brush 12, the wiping width of the wiping portion 13 is not less than the axial cleaning width of the rolling brush 12.

Here, the axial cleaning width of the rolling brush 12 and the wiping width of the wiping part 13 refer to widths that the cleaning device sweeps across the floor surface when moving forward perpendicular to the rolling brush, the axial cleaning width of the rolling brush 12 refers to a width that the cleaning device can clean when moving, and the wiping width of the wiping part 13 corresponds to the cleaning width of the rolling brush 12 and refers to a width that water spots on the floor surface can be wiped. When the wiping portion 13 is located on the rear side of the roll brush 12, the width of the roll brush 12 to clean the floor is equal to the width of the roll brush 12 in the axial direction thereof, the wiping width of the wiping portion 13 is equal to the width of the wiping portion 13 in the direction parallel to the axial direction of the roll brush 12, and the width of the wiping portion 13 is not smaller than the width of the roll brush 12.

Further, the length of the wiping portion 13 in the cleaning movement direction has a value equal to 1 to 2 times the value of the outer diameter of the roll brush 12. In the cleaning process, the cleaning area of the downstream wiping part 13 can completely cover the cleaning area of the upstream rolling brush 12 so as to realize complete water stain absorption, and the water absorption capacity is improved and the service time of the single wiping part 13 is prolonged by increasing the water absorption area of the wiping part 13.

In this embodiment, the floor brush 1 includes a brush body having a bottom plate 11, a side wall and an upper shell, the upper shell is located above the bottom plate 11, the side wall is located between the upper shell and the bottom plate 11, a shaft of the rolling brush 12 is connected to the side wall, and a lower end of the wiping portion 13, a bottom end of the rolling brush 12 and a bottom end of the wheel body form a lower end of the floor brush 1.

In an alternative embodiment of this embodiment, as shown in fig. 1 to 3, the floor brush 1 is provided with a front wheel body 15 and a rear wheel body 16, the front wheel body 15 is located at the rear side of the roller brush 12, and the front wheel body 15 is located between the wiping portion 13 and the roller brush 12, and this structure can make the wiping portion 13 and the cleaning surface closely contact with each other.

Further, the floor brush 1 is further provided with a rear wheel body 16, the wiping part 13 is positioned at the upstream of the rolling of the rear wheel body 16, the rear wheel body 16 is positioned at the rear side of the brush body, and the wiping part 13 is positioned between the front wheel body 15 and the rear wheel body 16, so that the whole floor brush 1 is rolled and supported by the front wheel body 15, the rear wheel body 16 and the rolling brush 12 during cleaning, and the wiping part 13 is positioned at the middle part, so that the moving flexibility of the cleaning equipment can be ensured.

In the first state, i.e. when the lower end of the floor brush 1 is not in contact with the floor surface, the lower end of the wiping part 13 protrudes out of the plane in which the bottom ends of the roller brush 12 and the front and

rear wheels

15, 16 are located, and is not in the same plane as the bottom ends of the roller brush 12 and the front and

rear wheels

15, 16. In the second state, when the floor brush 1 is placed on the floor surface and the lower end portion of the floor brush 1 is in contact with the floor surface, the lower end portion of the wiping portion 13 is contracted by the pressure and is flush with the bottom end of the roller brush 12 and the bottom ends of the front wheel body 15 and the rear wheel body 16.

It can also be understood that when the floor cleaning device performs cleaning work on the surface to be cleaned, the roller brush 12, the front wheel body 15, the rear wheel body 16 and the wiping portion 13 are all in contact with the surface to be cleaned, and the wiping portion 13 is in pressing contact with the surface to be cleaned, and the second end of the wiping portion 13 can be contracted under the action of pressure and then is in the same plane with the bottom end of the roller brush 12 and the bottom ends of the front wheel body 15 and the rear wheel body 16. The bottom of portion of cleaning 13 can carry out the deformation shrink of certain degree under the effect of extrusion force, and when cleaning device during operation, round brush 12, preceding wheel body 15 and rear wheel body 16 all with when treating the clean face contact, the bottom terminal surface of portion of cleaning 13 also with treat the clean face contact, and portion of cleaning 13 exerts the extrusion force to treating the clean face to promote the wiping effect.

In an alternative embodiment of the present embodiment, the wiping portion 13 is detachably mounted on the bottom end surface of the floor brush 1, and the wiping portion 13 comprises a water-absorbing material, such as sponge, water-absorbing paper, water-absorbing cloth, and the like, which has high water absorption property, and is low in cost.

In an optional embodiment of the present embodiment, the wiping portion 13 is mounted on the bottom end surface of the floor brush 1 by means of adhesion, magnetic attraction or insertion and extraction through a connector, so as to facilitate the removal and replacement of the wiping portion 13.

Specifically, the connecting piece comprises a first connecting part and a second connecting part matched with the first connecting part; the first connecting part is arranged on the bottom end face of the floor brush 1, and the second connecting part is arranged on the upper end face of the wiping part 13.

In an optional implementation manner of this embodiment, as shown in fig. 4 to 5, a first accommodating cavity and a second accommodating cavity are formed in the bottom end surface of the floor brush 1, the first accommodating cavity and the second accommodating cavity are arranged to penetrate through the bottom plate 11, and a part of the rolling brush 12 is disposed in the first accommodating cavity; the first end of the wiping part 13 is installed in the second cavity 14, and the second end of the wiping part 13 extends out of the second cavity 14 to be in contact with the surface to be cleaned.

Further, the first connecting portion and the second connecting portion are both adhesive tapes. Specifically, the connecting piece is an adhesive tape assembly which comprises a first adhesive tape and a second adhesive tape matched with the first adhesive tape; the first adhesive tape is arranged on the cavity wall of the second cavity 14, and the second adhesive tape is arranged at the first end of the wiping part 13. That is, the bottom plate 11 is provided with a wiping portion housing, an adhesive tape a is provided in the wiping portion housing, and an adhesive tape b that is fitted to the adhesive tape a is provided on the upper end surface of the wiping portion 13. When the wiping part 13 is placed in the wiping part cavity, the lower end surface of the wiping part 13 extends to the outer side of the wiping part cavity and contacts with the ground.

Furthermore, the connecting piece is a magnetic component, and the magnetic component comprises a first magnetic part and a second magnetic part matched with the first magnetic part; the first magnetic part is arranged on the bottom end face of the floor brush 1 or on the cavity wall of the second containing cavity 14, and the second magnetic part is arranged at the first end of the wiping part 13. Wherein, first magnetism portion of inhaling and second magnetism portion of inhaling are magnet or electro-magnet, perhaps, first magnetism portion of inhaling and second magnetism one of portion is magnet or electro-magnet, and the other is made by the iron material. Adopt the adhesive tape or inhale the formula with wiping portion 13 and fix the bottom terminal surface at scrubbing brush 1, the installation of conveniently dismantling.

Compared with the prior art, the floor brush provided by the embodiment can realize at least one of the following beneficial effects:

(1) through add the portion of wiping at the round brush rear side, can wipe the water stain that moist round brush left on ground, avoid the wet and smooth and avoid the rear wheel body to leave the vestige on ground.

(2) The lower end of the wiping part contracts under the action of pressure and then is positioned on the same plane with the bottom end of the rolling brush and the bottom ends of the front wheel body and the rear wheel body, so that the contact performance between the wiping part and the ground can be improved, and the wiping effect is improved.

(3) The wiping part is detachably arranged on the end face of the bottom of the floor brush, so that the floor brush is convenient to detach and replace, and the wiping part is made of materials which are easy to absorb water, such as sponge, absorbent paper, absorbent cloth and other materials with strong water absorption property, so that the cost is low.

Example two

The utility model discloses a still another embodiment discloses a ground cleaning equipment, as shown in fig. 5 to 7, including the scrubbing brush 1 that embodiment one provided, still include fuselage 2 to and locate liquid supply assembly and the recovery liquid subassembly on fuselage 2.

Wherein the liquid supply assembly is configured to inject a cleaning liquid into the rolling brush 12 to wet the rolling brush 12, and the liquid supply assembly is in communication with the rolling brush 12 to inject the cleaning liquid into the rolling brush 12; the recovery liquid assembly is configured to recover the cleaning liquid on the surface to be cleaned, and communicates with the suction inlet on the bottom end face of the floor brush 1 to recover the cleaning liquid on the surface to be cleaned.

Specifically, the liquid supply assembly comprises a liquid supply barrel 21 and a liquid supply channel, wherein the liquid supply barrel 21 is configured to store cleaning liquid, and the cleaning liquid can be clear water or a mixed solution of the clear water and the cleaning liquid; one end of the liquid supply channel is connected with the liquid supply barrel 21, the other end of the liquid supply channel is connected with the rolling brush, and the liquid supply barrel 21 supplies cleaning liquid to the rolling brush 12 through the liquid supply channel.

The recovery fluid assembly includes a vacuum source, a recovery tank 22, and a fluid passageway. Wherein the body 2 is pivotally connected to the floor brush 1, the body 2 being pivotable between an upright position, as shown in fig. 6, and an inclined operating position, as shown in fig. 7; the vacuum source is arranged at the upper part of the machine body 2 and is communicated with the suction inlet at the bottom of the floor brush 1 through a fluid channel; the recovery tank 22 is configured to store cleaning liquid drawn from the surface to be cleaned by the vacuum source through the suction intake.

The floor cleaning apparatus of this embodiment further comprises a handle assembly 3, the handle assembly 3 being configured to pivot the body 2 between an upright position and an inclined operating position, the handle assembly 3 being further configured to move the floor brush 1 over a surface to be cleaned; specifically, the handle assembly 3 includes a connecting rod 32 extending outward from the top end of the body 2, and a holding portion 31 provided on the connecting rod 32, wherein the holding portion 31 is to be held by an operator.

In an alternative embodiment of this embodiment, the recycling bin 22 and the liquid supply bin 21 are both detachably assembled on the machine body 2, so as to facilitate filling the liquid supply bin 21 with cleaning liquid and facilitate pouring out the dirty recycling liquid in the recycling bin 22.

Further, the recycling tank 22 and the liquid supply tank 21 are arranged in front of and behind each other, the recycling tank 22 and the liquid supply tank 21 are respectively located in front of and behind the axis of the machine body 2, and the capacity of the liquid supply tank 21 is larger than that of the recycling tank 22. This structural arrangement has optimized equipment focus position, when the operator makes ground cleaning equipment move on ground operation portion 31, has good equilibrium and travelling comfort, more does benefit to operator's control.

In an alternative embodiment of this embodiment, a display 23 is disposed on the upper end of the body 2, the display 23 is used for displaying the parameters related to the operation of the device, the upper end surface of the body 2 is an inclined surface, the display 23 is disposed on the inclined upper end surface of the body 2, as shown in fig. 6, the upper end surface of the body 2 is an inclined structure, and the display 23 is further disposed thereon, the display 23 has an axis B, the handle assembly 3 is assembled on the upper side of the body 2, the connecting rod 32 has an axis a, the axis a is parallel to the axis of the body 2, and an extension line of the axis a of the connecting rod 32 intersects with an extension line of the axis B of the display 23 to form an included angle α, which is not more than 50 °, preferably, not less than 10 ° and not more than 30 °. The inclined display screen 23 facilitates the user to view the information displayed in the display screen 23 when the cleaning device is in use while moving over the floor.

Compared with the prior art, the floor cleaning equipment provided by the embodiment has the beneficial effects of the floor brush provided by the embodiment one, which are not repeated here, and at least one of the following beneficial effects can be realized:

(1) the display screen is the slope form and sets up in the top of fuselage, when cleaning device was in the user state on subaerial removal, the more convenient to use person looked over the information that shows in the display screen.

(2) The recycling bin and the liquid supply bin are arranged in front of and behind the recycling bin and the liquid supply bin are respectively located at the front and the rear of the machine body, the capacity of the liquid supply bin is larger than that of the recycling bin, the gravity center position of the equipment is optimized, and when an operator operates the holding part to enable the ground cleaning equipment to move on the ground, the ground cleaning equipment has good balance and comfort and is more beneficial to the control of the operator.

The above-mentioned embodiments, objects, technical solutions and advantages of the present application are described in further detail, it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present application, and are not intended to limit the scope of the present application, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present application should be included in the scope of the present application.

Claims

1. A floor brush, comprising:

a bottom end surface disposed toward a surface to be cleaned;

the rolling brush (12), the said rolling brush (12) is set up on the said bottom end surface, and communicate with liquid supply assembly to inject cleaning solution into the said rolling brush (12);

a wiping part (13), wherein the wiping part (13) is arranged at the downstream of the rolling direction of the roller brush (12) so as to wipe water stains left on the surface to be cleaned by the wet roller brush (12).

2. A floor brush according to claim 1, characterized in that the wiping part (13) comprises a water-absorbing material.

3. A floor brush as claimed in claim 2, characterized in that the floor brush (1) is provided with a front wheel body (15), which front wheel body (15) is situated on the rear side of the roller brush (12), which front wheel body (15) is situated between the wiping part (13) and the roller brush (12).

4. A floor brush as claimed in claim 3, characterized in that the floor brush (1) is provided with a rear wheel body (16), which rear wheel body (16) is located downstream in the direction of movement of the wiping part (13).

5. A floor brush as claimed in claim 4, characterized in that the wiping width of the wiping part (13) perpendicular to the cleaning movement direction is not smaller than the axial cleaning width of the roller brush (12).

6. A floor brush as claimed in claim 5, characterized in that the length of the wiping part (13) in the cleaning movement direction has a value which is equal to 1-2 times the value of the outer diameter of the roller brush (12).

7. A floor brush according to any of claims 1-6, characterized in that the wiping part (13) is detachably mounted on the bottom end surface of the floor brush (1).

8. A floor brush as claimed in claim 7, characterized in that the wiping part (13) is mounted on the bottom end face of the floor brush (1) by means of a connection by means of adhesive, magnetic attraction or plugging.

9. A floor brush as claimed in claim 8, wherein the connecting member comprises a first connecting portion and a second connecting portion cooperating with the first connecting portion;

the first connecting portion is arranged on the bottom end face of the floor brush (1), and the second connecting portion is arranged on the upper end face of the wiping portion (13).

10. A floor brush as claimed in claim 9, characterized in that the bottom end surface of the floor brush (1) is provided with a first and a second cavity, a part of the roller brush (12) being placed in the first cavity;

the first end of the wiping part (13) is arranged in the second containing cavity (14), and the second end of the wiping part (13) extends out of the second containing cavity (14) to be in contact with a surface to be cleaned.

11. A floor brush according to claim 10, characterized in that the first and second connecting portions are adhesive strips, the first adhesive strip being provided on the wall of the second cavity (14) and the second adhesive strip being provided at the first end of the wiping portion (13).

12. A floor brush according to any of claims 4-6, 8-11,

in the first state, the lower end part of the wiping part (13) protrudes out of the plane where the bottom ends of the roller brush (12) and the front wheel body (15) and the rear wheel body (16) are located;

in the second state, the lower end part of the wiping part (13) contracts under the action of pressure and then is contacted with the surface to be cleaned.

13. A floor cleaning device, characterized in that it comprises a floor brush (1) according to any one of claims 1 to 12.

14. A floor cleaning device according to claim 13, characterized in that it further comprises a body (2), which body (2) is pivotally connected to the floor brush (1).

15. A floor cleaning device according to claim 14, characterized in that the machine body (2) is provided with a liquid supply assembly and a liquid recovery assembly;

the liquid supply assembly comprises a liquid supply barrel (21), and the liquid supply barrel (21) is communicated with the rolling brush (12) through a liquid supply channel so as to inject cleaning liquid into the rolling brush (12);

the liquid recovery assembly comprises a vacuum source and a recovery bucket (22), wherein the vacuum source is communicated with a suction inlet at the bottom of the floor brush (1) through a fluid channel so as to recover the cleaning liquid on the surface to be cleaned.

16. A floor cleaning device according to claim 15, characterized in that the recovery tank (22) and the supply tank (21) are both detachably fitted to the machine body (2).

17. A floor cleaning apparatus according to claim 16, characterized in that the recovery tank (22) and the supply tank (21) are located respectively in front of and behind the axis of the machine body (2);

the volume of the liquid supply barrel (21) is larger than that of the recovery barrel (22).

18. A floor cleaning device according to any of claims 13-17, further comprising a handle assembly (3), the handle assembly (3) comprising a link (32) extending outwardly from a top end of the body (2), and a grip portion (31) provided on the link (32), the grip portion (31) being intended to be gripped by an operator.

19. A floor cleaning device according to claim 18, characterized in that a display screen (23) is arranged at the upper end of the machine body (2), and the angle α between the axis of the display screen (23) and the axis of the connecting rod (32) is less than or equal to 50 °.

20. A floor cleaning apparatus as claimed in claim 19, characterised in that α is 10 ° ≦ 30 °.