WO2024192807A1 - Floor brush and cleaning device - Google Patents

Abstract

A floor brush (100) and a cleaning device (1000) comprising the floor brush (100), wherein the floor brush (100) comprises: a rolling brush (110) capable of rotating in a preset direction; a cover assembly (120) detachably connected to the floor brush (100) and capable of covering part of the rolling brush (110); and a suction nozzle assembly (130) comprising a plate member (131) and a suction port (132) located on the plate member (131) and communicated with a suction source, the suction nozzle assembly (130) being located below the cover assembly (120), and the suction nozzle assembly (130) being detachably connected to the floor brush (100). Therefore, the suction nozzle assembly (130) can be detached from the floor brush (100) for cleaning without moving the entire floor brush (100), thereby facilitating user operation, and preventing damages to devices, such as a water pump and a rolling brush motor, inside the floor brush (100) caused by liquid permeating into the floor brush (100) during direct cleaning of the floor brush (100).

Description

Floor brushes and cleaning equipment

CROSS-REFERENCE TO RELATED APPLICATIONS

This application claims the priority of the Chinese patent application filed with the China Patent Office on March 21, 2023, with application number 202310279986.X, and application name “A floor brush and cleaning device”, all contents of which are incorporated by reference in this application.

Technical Field

The present application relates to the technical field of cleaning equipment, and in particular to a floor brush and cleaning equipment.

Background Art

With the improvement of living standards, auxiliary cleaning equipment for household hygiene cleaning has emerged. These cleaning devices can reduce the amount of labor users put in household cleaning, and are therefore widely favored by today's society.

The suction nozzle assembly of current cleaning equipment is integrated with the floor brush, and the outer shell of the floor brush constitutes a part of the suction nozzle assembly. Since sewage enters the sewage tank through the suction nozzle assembly, stains are easily left on the suction nozzle assembly. If it is not cleaned in time, it will cause bacteria to breed and endanger the health of users. However, the entire floor brush needs to be moved when cleaning, which will cause a burden to the user, and when the floor brush is cleaned directly, there is a risk that the liquid will penetrate into the floor brush and damage the water pump, roller brush motor and other equipment inside the floor brush.

Application Contents

In view of the shortcomings of the prior art, one of the purposes of the present application is to provide a floor brush. The suction nozzle assembly in the present application is detachably connected to the floor brush, and the suction nozzle assembly can be removed from the floor brush for cleaning. There is no need to move the entire floor brush when cleaning the suction nozzle assembly, which is convenient for users to operate and can prevent liquid from seeping into the interior of the floor brush when directly cleaning the floor brush, thereby damaging the water pump, roller brush motor and other equipment inside the floor brush.

To achieve the above-mentioned purpose, the technical means adopted in this application are as follows: a floor brush, comprising: a roller brush that can rotate in a preset direction; a cover assembly that is detachably connected to the floor brush and can cover part of the roller brush; a suction nozzle assembly, comprising a plate and a suction port located on the plate and connected to a suction source, the suction nozzle assembly is located below the cover assembly, and the suction nozzle assembly is detachably connected to the floor brush.

In one embodiment, the nozzle assembly is connected to the cover assembly. By disassembling the cover assembly, the nozzle assembly connected to the cover assembly can be driven to move without using tools, thereby improving the disassembly and assembly efficiency and making the operation simple and convenient.

In one embodiment, the plate extends along the axial direction of the roller brush and is located behind the roller brush.

In one embodiment, the length of the plate is consistent with the length of the roller brush.

In one embodiment, a latch mechanism is provided on the cover assembly, and the latch mechanism includes a spring, a lock body and a user operating part. The user can drive the user operating part to make the lock body move from the first position to the second position under the action of the spring; when the lock body is in the first position, the lock body is engaged in the groove of the floor brush, and when the lock body is in the second position, the lock body is away from the groove of the floor brush, so that the cover assembly is away from the floor brush.

In one embodiment, the floor brush further comprises a liquid spraying assembly for applying liquid to the roller brush and/or the surface to be cleaned, and the liquid spraying assembly is located between the cover assembly and the suction nozzle assembly.

In one embodiment, the liquid spray assembly includes a plurality of liquid outlet holes and a plurality of guide grooves, wherein the plurality of liquid outlet holes are respectively located in the middle of the plurality of guide grooves; each guide groove includes a plurality of inclined surfaces and is in a trumpet shape expanding outward with the liquid outlet hole as the center, wherein the inclined surfaces of each guide groove located below the liquid outlet hole are all arc-shaped surfaces.

In one embodiment, the inclined surfaces on adjacent guide grooves are connected to each other.

In one embodiment, the liquid outlet is provided with a first liquid separation port and a second liquid separation port, and the first liquid separation port and the second liquid separation port are respectively oriented toward two sides of the liquid outlet.

In one embodiment, a plurality of liquid outlet holes are distributed along the axial direction of the roller brush to facilitate uniform wetting of the roller brush.

In one embodiment, the floor brush further includes a scraper assembly, the scraper assembly abuts against the roller brush, and the scraper assembly is arranged on the liquid spray assembly.

In one embodiment, the scraper assembly and the liquid spraying assembly are integrally formed.

In one embodiment, a plurality of comb teeth are disposed on the liquid spraying assembly, and the plurality of comb teeth are arranged along the axial direction of the roller brush.

In one embodiment, the liquid spraying assembly includes a main water channel and at least two outlet water channels forked from the main water channel, wherein the at least two outlet water channels include a first outlet water channel and a second outlet water channel having the same length.

Another object of the present application is to provide a cleaning device, comprising a body and the above-mentioned floor brush.

The beneficial effects of the present application are as follows: the suction nozzle assembly and the floor brush in the present application are detachably connected, and the suction nozzle assembly can be removed from the floor brush for cleaning. When cleaning the suction nozzle assembly, there is no need to move the entire floor brush, which is convenient for users to operate, and can prevent liquid from seeping into the interior of the floor brush when directly cleaning the floor brush, thereby damaging the water pump, roller brush motor and other equipment inside the floor brush.

BRIEF DESCRIPTION OF THE DRAWINGS

FIG1 is a schematic structural diagram of a cleaning device 1000 according to an embodiment of the present application;

FIG2 is a schematic structural diagram of a portion of a floor brush 100 according to an embodiment of the present application;

FIG3 is a schematic structural diagram of a portion of a floor brush 100 according to an embodiment of the present application;

FIG4 is a schematic structural diagram of a portion of a floor brush 100 according to an embodiment of the present application;

FIG5 is a cross-sectional view of a floor brush 100 according to an embodiment of the present application;

FIG6 is a schematic structural diagram of a liquid spray assembly 140 according to an embodiment of the present application;

FIG7 is an enlarged view of point A in FIG6;

FIG8 is an internal structural diagram of a liquid spraying assembly 140 according to an embodiment of the present application;

FIG. 9 is a schematic structural diagram of a liquid spraying assembly 140 according to another embodiment of the present application.

The above drawings include the following reference numerals:
1000, cleaning equipment; 100, floor brush; 101, groove; 102, fluid inlet; 110, roller brush; 120, cover assembly; 121, latch mechanism; 1211, lock body; 1212, user operation part; 130, suction nozzle assembly; 131, plate; 132, suction port; 140, liquid spray assembly; 141, liquid outlet; 1411, first liquid separation port; 1412, second liquid separation port; 142, guide groove; 1421, inclined surface; 143, comb teeth; 144, main water channel; 145, water outlet; 1451, first water outlet; 1452, second water outlet; 146, diversion port; 147, liquid inlet; 150, scraper assembly; 200, fuselage; 210, liquid supply device; 220, sewage tank.

DETAILED DESCRIPTION

Upon request, specific embodiments of the present application will be disclosed herein. However, it should be understood that the embodiments disclosed herein are merely typical examples of the present application, which may be embodied in various forms. Therefore, the specific details disclosed herein are not considered to be limiting, but merely as a basis for the claims and as a representative basis for teaching those skilled in the art to apply the present application in various ways in practice in any appropriate manner, including using the various features disclosed herein and combining features that may not be explicitly disclosed herein.

In the description of the present application, it should be understood that the terms "length", "up", "down", "front", "back", "left", "right", "horizontal", "top", "bottom", "inside", "outside", "circumferential", etc., indicating the orientation or position relationship are based on the orientation or position relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

In the embodiment of the present application, the cleaning device 1000 includes but is not limited to cleaning machines, vacuum cleaners, sweeping robots and other equipment. Taking the cleaning device 1000 as an example of a cleaning machine as shown in Figure 1, it includes a floor brush 100 in contact with the surface to be cleaned and a body 200 connected to the floor brush 100. The body 200 is provided with functional units such as a suction system and a control system, and the cleaning operation is completed by cooperating with the floor brush 100. For example, when the cleaning machine performs a cleaning operation, the rolling of the roller brush 110 on the floor brush 100 realizes the function of cleaning the surface to be cleaned. The suction system generates negative pressure when it works, and the function of collecting dirt is realized through the floor brush 100. The surface to be cleaned includes the ground, the surface of the carpet, the surface of the sofa, etc. For the sake of simplicity of description, the ground is taken as an example for explanation below.

2 to 4 , the floor brush 100 includes a roller brush 110 that can rotate in a preset direction, a cover assembly 120 that is detachably connected to the floor brush 100 , and the cover assembly 120 can cover a portion of the roller brush 110 ; the suction nozzle assembly 130 includes a plate 131 and a suction port 132 that is located on the plate 131 and is connected to a suction source, and a sewage suction channel that is connected to the suction port 132 is provided inside the body 200 , and the cleaning device 1000 can clean the dirt on the ground through the roller brush 110 and suck the dirt on the ground through the suction port 132 , and the sucked dirt enters the sewage suction channel through the suction port 132 . The suction nozzle assembly 130 is located below the cover assembly 120 , and the suction nozzle assembly 130 is detachably connected to the floor brush 100 . The suction nozzle assembly 130 in the present application is detachably connected to the floor brush 100, and the suction nozzle assembly 130 can be removed from the floor brush 100 for cleaning. When cleaning the suction nozzle assembly 130, there is no need to move the entire floor brush 100, which is convenient for users to operate and can prevent liquid from seeping into the interior of the floor brush 100 when directly cleaning the floor brush 100, thereby damaging the water pump, roller brush motor and other equipment inside the floor brush 100.

As shown in FIG3 , the plate 131 extends along the axial direction of the roller brush 110 and is located behind the roller brush 110. The length of the plate 131 is consistent with the length of the roller brush 110. When the roller brush 110 rotates, the sewage on the roller brush 110 will splash onto the plate 131. The plate 131 is arranged to extend along the axial direction of the roller brush 110 and the length of the plate 131 is consistent with the length of the roller brush 110, so that most of the sewage splashed from the roller brush 110 is located on the plate 131. At this time, most of the stains on the floor brush 100 can be cleaned by removing the plate 131, avoiding the situation where there are still many stains on the floor brush 100 after the plate 131 is removed for cleaning due to the plate 131 being too small.

In one embodiment, as shown in FIG. 3 , the nozzle assembly 130 is connected to the cover assembly 120. By disassembling the cover assembly 120, the nozzle assembly 130 connected to the cover assembly 120 can be disassembled, without disassembly and assembly twice, thereby improving disassembly and assembly efficiency and making the operation simple and convenient. The nozzle assembly 130 and the cover assembly 120 can be detachably connected or integrally formed, which is not specifically limited here. The detachable connection method can be a general technology such as a clamping connection and a bolt connection, which is not specifically limited here. In other embodiments, the nozzle assembly 130 is not connected to the cover assembly 120, and the cover assembly 120 can be disassembled first, and then the nozzle assembly 130 can be disassembled.

As shown in FIG4 , a latch mechanism 121 is provided on the cover assembly 120, and the latch mechanism 121 includes a spring, a lock body 1211 and a user operation part 1212. The user can drive the user operation part 1212 to make the lock body 1211 move from the first position to the second position under the action of the spring; when the lock body 1211 is in the first position, the lock body 1211 is engaged in the groove 101 of the floor brush 100, and when the lock body 1211 is in the second position, the lock body 1211 is away from the groove 101 of the floor brush 100, so that the cover assembly 120 is away from the floor brush 100. The user operation part 1212 is located on the outside of the cover assembly 120, which is convenient for the user to operate. In this embodiment, the lock body 1211 extends along the axial direction of the roller brush 110, and two grooves 101 are respectively provided on both sides of the floor brush 100, which match the position of the lock body 1211, and the lock body 1211 can move along the axial direction of the roller brush 110 under the action of the spring. In another embodiment, the lock body 1211 extends radially along the roller brush 110, and the groove 101 is provided on the floor brush 100 and is located above the middle of the roller brush 110, matching the position of the lock body 1211. The lock body 1211 can move radially along the roller brush 110 under the action of the spring. At this time, the user only needs to press the user operation part 1212 to realize the disassembly and assembly of the cover assembly 120, without using tools, and the operation is simple and convenient.

As shown in FIGS. 3 to 5 , in one embodiment, the floor brush 100 further includes a liquid spraying assembly 140 for applying liquid to the roller brush 110. The liquid spraying assembly 140 is located between the cover assembly 120 and the suction nozzle assembly 130. It can be easily imagined that the liquid spraying assembly 140 also Liquid can be applied to the surface to be cleaned, or liquid can be applied to the roller brush 110 and the surface to be cleaned at the same time. In this embodiment, the liquid spraying assembly 140 is detachably connected to the floor brush 100, and the liquid spraying assembly 140 is respectively connected to the cover assembly 120 and the suction nozzle assembly 130. When the cover assembly 120 is disassembled, the liquid spraying assembly 140 is also disassembled together, which is convenient for cleaning and replacement of the liquid spraying assembly 140. Liquid spraying assemblies 140 with different apertures can be designed as accessories, which is convenient for users to replace the liquid spraying assembly 140.

As shown in FIG. 6 and FIG. 7 , in one embodiment, the liquid spray assembly 140 includes a plurality of liquid outlet holes 141 and a plurality of guide grooves 142. The number of guide grooves 142 is consistent with the number of liquid outlet holes 141. The plurality of liquid outlet holes 141 are respectively located in the middle of the plurality of guide grooves 142. Each guide groove 142 includes a plurality of inclined surfaces 1421, and is in a trumpet shape that expands outward with the liquid outlet hole 141 as the center. The inclined surfaces 1421 of each guide groove 142 located below the liquid outlet hole 141 are all arc-shaped surfaces, which are low in the middle and high at both ends. That is, the lowest point of the inclined surface 1421 is directly below the liquid outlet hole 141, and gradually rises toward both ends. The inclined surface 1421 of the arc-shaped surface can improve the uniformity of the output liquid, so as to evenly wet the roller brush 110, thereby efficiently completing the floor cleaning. In this embodiment, a plurality of liquid outlets 141 are respectively located in the center of a plurality of guide grooves 142, which is conducive to the uniform distribution of the sprayed liquid and allows the liquid sprayed from both sides of the liquid outlet 141 to reach the roller brush 110 at the same time. In other embodiments, the liquid outlet 141 does not need to be set in the center, and a slight offset in any direction can meet the needs. The setting of the trumpet-shaped guide groove 142 allows the water sprayed from the liquid outlet 141 to flow along the inclined surface 1421 of the guide groove 142 and finally flow to the roller brush 110, thereby increasing the dispersion of the water. The liquid outlet 141 is set in the guide groove 142, which can effectively prevent the liquid outlet 141 from being blocked. When the liquid outlet 141 sprays too much liquid, the guide groove 142 can also store some water that is not absorbed by the roller brush 110, thereby improving the reliability of the use of the roller brush 110.

The liquid spraying assembly 140 is used to apply liquid to the roller brush 110. In the process of cleaning the floor with the cleaning device 1000, the cleaning liquid used is mainly provided by the liquid spraying assembly 140 in the cleaning device 1000. The liquid outlet 141 is arranged opposite to the roller brush 110 and close to the surface of the roller brush 110. A plurality of liquid outlets 141 are distributed along the axial direction of the roller brush 110. The liquid outlets 141 are connected to the liquid supply device 210 through a liquid outlet pipeline, so that the liquid in the liquid supply device 210 is drained to the surface of the roller brush 110 through the liquid outlets 141. In this embodiment, a plurality of liquid outlets 141 are evenly distributed along the axial direction of the roller brush 110, so as to evenly spray the liquid to the roller brush 110. In other embodiments, the distance between the plurality of liquid outlet holes 141 can be randomly adjusted and is not limited to equidistant distribution. For example, the middle area of the roller brush 110 is in contact with more dirt and has a higher degree of dirt than the two end areas. The distance between the corresponding plurality of liquid outlet holes 141 here can be greater than the distance between the plurality of liquid outlet holes 141 at the two ends of the roller brush 110, so that more liquid is sprayed into the middle area of the roller brush 110, which is beneficial to the cleaning of the roller brush 110.

As shown in Fig. 7, the inclined surfaces 1421 on adjacent guide grooves 142 are connected to each other to form an undulating structure, wherein the inclined surface 1421 of the arc surface below the liquid outlet 141 forms a wave shape.

As shown in FIG. 7 , in one embodiment, the liquid outlet 141 is provided with a first liquid separation port 1411 and a second liquid separation port 1412. The first liquid separation port 1411 and the second liquid separation port 1412 are respectively oriented toward two sides of the liquid outlet 141. The first liquid separation port 1411 and the second liquid separation port 1412 can play a role of diversion, so that water can be sprayed toward the roller brush 110 in an all-round and uniform manner.

Furthermore, in the present embodiment, the first liquid separation port 1411 and the second liquid separation port 1412 both face the inclined surfaces 1421 located on the left and right sides of the liquid outlet 141 in the guide groove 142, and the water sprayed from the first liquid separation port 1411 and the second liquid separation port 1412 flows through the inclined surfaces 1421 on the left and right sides of the liquid outlet 141 to the inclined surface 1421 below the liquid outlet 141, so that the water flows along the guide groove 142 to the roller brush 110. At this time, since the inclined surfaces 1421 of each guide groove 142 below the liquid outlet 141 are all arc-shaped surfaces, and the arc-shaped surfaces are low in the middle and high at both ends, the liquid flowing from the inclined surfaces 1421 on the left and right sides of the liquid outlet 141 to the inclined surface 1421 below the liquid outlet 141 is evenly dispersed on the inclined surface 1421 below the liquid outlet 141, rather than flowing vertically to the roller brush 110 under the action of gravity, resulting in the roller brush 110 in the opening direction of the liquid outlet 141 being relatively moist, and the roller brush 110 in other directions being relatively drier.

To improve the cleaning efficiency, the liquid spraying assembly 140 includes a plurality of liquid outlet holes 141, and the liquid outlet holes 141 are all oriented in the same direction, so that liquid is sprayed toward the roller brush 110 through the plurality of liquid outlet holes 141 at the same time, thereby cleaning the roller brush 110 at the same time, thereby improving the cleaning efficiency of the roller brush 110. In other embodiments, the liquid outlet holes 141 may also spray liquid directly toward the surface to be cleaned, which is not limited here.

Specifically, in one embodiment, the apertures of several liquid outlet holes 141 are different. One way is that the apertures of multiple liquid outlet holes 141 are all different. Another way is that the apertures of some liquid outlet holes 141 are the same, and the apertures of some liquid outlet holes 141 are different. For example, the middle area of the roller brush 110 is more exposed to dirt than the two end areas, and the degree of dirt is greater. The apertures of several liquid outlet holes 141 facing the middle area of the roller brush 110 are smaller, so that when the liquid discharge amount is the same, the liquid discharge speed is faster and the impact force is greater, so it is easier to clean the dirt in the middle area of the roller brush 110. The apertures of the liquid outlet holes 141 facing the two end areas of the roller brush 110 are larger, and the dirt in the two end areas of the roller brush 110 can be cleaned by a smaller impact force. In another embodiment, the apertures of several liquid outlet holes 141 on the liquid spraying assembly 140 are all the same, and the amount and speed of liquid sprayed to each area of the roller brush 110 are the same, so that the cleaning effect on each area is the same.

It should be noted that the setting method of the aperture of the above-mentioned liquid outlet 141 is only exemplary. In the embodiment of the present application, the aperture of the liquid outlet 141 can be set accordingly according to different cleaning requirements and is not limited to the setting method in the above example. The specific setting method is not specifically limited in the embodiment of the present application, as long as the cleaning requirements are met.

In this embodiment, as shown in FIG6 , a plurality of comb teeth 143 are further provided on the liquid spraying assembly 140, and the plurality of comb teeth 143 are arranged along the axial direction of the roller brush 110. The sawtooth end of the comb teeth 143 is vertically arranged, and when the roller brush 110 rotates, the comb teeth 143 combs the roller brush 110, and can scrape off the hair, silk thread and other filaments wound on the roller brush 110, and avoid the filaments being wound around the end of the roller brush 110, which causes the rotation of the roller brush 110 to be adversely affected, and the cleaned hair and other dirt are easier to be sucked into the dirt suction channel by the suction port 132 than those wound around the roller brush 110, thereby improving the cleanliness of the roller brush 110, avoiding secondary pollution, improving the user experience, and avoiding the user from manually touching the roller brush 110 to remove hair.

As shown in Figure 8, in this embodiment, the spray assembly 140 includes a main water channel 144 and two water outlets 145 forked from the main water channel 144. The two water outlets 145 include a first water outlet 1451 and a second water outlet 1452 of the same length, so that the first water outlet 1451 and the second water outlet 1452 can discharge water at the same time, thereby ensuring that the water discharge of the spray assembly 140 is uniform.

In other embodiments, the water outlet 145 can be set to more than two, wherein the first water outlet 1451 can be one or more, and the second water outlet 1452 can be one or more, which is not limited here, and the specific number is set according to actual needs.

A diversion port 146 is formed between the main water channel 144 and the first water outlet 1451 and the second water outlet 1452 to communicate with the first water outlet 1451 and the second water outlet 1452. The first water outlet 1451 and the second water outlet 1452 face different directions from the diversion port 146 of the main water channel 144 and extend along the longitudinal direction of the liquid spraying assembly 140. By setting in this way, the size of the liquid spraying assembly 140 in the height direction can be reduced.

As shown in FIG. 3 and FIG. 4 , a fluid inlet 102 is provided on the floor brush 100, and a liquid inlet hole 147 is provided on the liquid spraying assembly 140. The fluid inlet 102 and the liquid inlet hole 147 are both hollow cylinders, and the outer diameter of the liquid inlet hole 147 matches the inner diameter of the fluid inlet 102, so that the liquid inlet hole 147 can be inserted into the fluid inlet 102, and the gap between the two is small. Furthermore, a sealing ring is provided on the outer wall of the liquid inlet hole 147 to strengthen the tightness of the connection between the fluid inlet 102 and the liquid inlet hole 147 to prevent liquid from leaking out.

In one embodiment, as shown in FIG. 9 , the floor brush 100 further includes a scraper assembly 150 , the scraper assembly 150 abuts against the roller brush 110 , and the scraper assembly 150 is disposed on the liquid spray assembly 140 . The roller brush 110 can rotate in a preset direction to clean the solids and liquids on the ground. The scraper assembly 150 can be used to cooperate with the roller brush 110 to separate the solids and liquids. Specifically, the roller brush 110 can only clean the solids and liquids on the ground when it is in contact with the ground. When the surface of the roller brush 110 is in contact and friction with the ground, the roller brush 110 can adhere the solids and liquids to the surface of the roller brush 110 and rotate with the roller brush 110. During the rotation, the solids and liquids on the surface of the roller brush 110 will first separate from the surface of the roller brush 110 due to their own gravity, while the solids and liquids that are not freely separated will rotate with the roller brush 110. The surface of the roller brush 110 adsorbed with the solids and liquids will pass through the area where the scraper assembly 150 is located, so that with the cooperation of the scraper assembly 150, the solids are scraped off the surface of the roller brush 110 and the liquid adsorbed inside the roller brush 110 is squeezed out. The scraper assembly 150 is located above the suction port 132. Solids or liquids that are freely separated from the surface of the roller brush 110, as well as solids or liquids that are scraped off the surface of the roller brush 110 by the scraper assembly 150, will be sucked into the suction channel through the negative pressure of the suction port 132, thereby reducing water marks after the cleaning device 1000 is used and accelerating the time it takes for the floor to recover to dryness.

In one embodiment, as shown in FIG. 9 , the scraper assembly 150 is a rectangular plate, which is arranged on the floor brush 100 along the axial extension of the roller brush 110. The length of the scraper assembly 150 is the same as the length of the roller brush 110, and the position corresponds to that of the roller brush 110, so that the scraper assembly 150 can achieve all-round contact with the roller brush 110 without leaving a dead angle. At this time, the scraper assembly 150 has a better squeezing effect on the roller brush 110, and the solid garbage can be effectively isolated by the scraper assembly 150, and will not continue to rotate with the rotation of the roller brush 110 to cause secondary pollution to the ground. In addition, the scraper assembly 150 is arranged on the liquid spraying assembly 140, and the scraper assembly 150 is located below a plurality of liquid outlets 141, so that the scraper assembly 150 can prevent the liquid sprayed by the liquid spraying assembly 140 from flowing down, so that most of the liquid can act on the roller brush 110, and the liquid blocked by the scraper assembly 150 can be evenly distributed along the axial direction of the roller brush 110, so as to evenly wet or clean the roller brush 110. In this embodiment, the scraper assembly 150 and the spray assembly 140 are integrally formed. When installing, only one component can be installed instead of two components. The installation is more convenient and the connection strength between the scraper assembly 150 and the spray assembly 140 can be higher, which can avoid the scraper assembly An unexpected event caused by failure of connection between 150 and the liquid spraying assembly 140.

In one embodiment, after long-term use, stains may remain on the scraper assembly 150, which makes the cleaning effect of the scraper assembly 150 worse. Therefore, the scraper assembly 150 can be installed on the floor brush 100 in a detachable manner. The detachable manner can be a snap connection, a bolt connection, a magnetic connection, etc., which is not limited in this application. Due to the detachable connection method, the scraper assembly 150 is easy to install and disassemble, so that the scraper assembly 150 can be cleaned and/or replaced.

In one embodiment, a plurality of comb teeth 143 are provided on the liquid spray assembly 140, and the scraper assembly 150 is provided on the liquid spray assembly 140. At this time, in the vertical direction, the plurality of comb teeth 143 are located below the scraper assembly 150, and the comb teeth 143 are close to the suction port 132, so that the hair scraped off by the comb teeth 143 is conveniently sucked into the sewage tank 220.

The suction nozzle assembly 130 in the present application is detachably connected to the floor brush 100, and the suction nozzle assembly 130 can be removed from the floor brush 100 for cleaning. When cleaning the suction nozzle assembly 130, there is no need to move the entire floor brush 100, which is convenient for users to operate, and can prevent liquid from penetrating into the interior of the floor brush 100 when directly cleaning the floor brush 100, thereby damaging the water pump, roller brush motor and other equipment inside the floor brush 100;

Secondly, the floor brush 100 of the present application is provided with a scraper assembly 150 that abuts against the roller brush 110, so that when the roller brush 110 rotates, the scraper assembly 150 squeezes the roller brush 110 and scrapes the liquid in the roller brush 110 into the suction port 132, thereby reducing the liquid residue on the surface to be cleaned, accelerating the time for the surface to be cleaned to recover dryness, and improving the user experience; in addition, setting the scraper assembly 150 on the spray assembly 140 can enable the scraper assembly 150 to prevent the liquid sprayed by the spray assembly 140 from flowing down, so that most of the liquid can act on the roller brush 110, and the liquid blocked by the scraper assembly 150 can be evenly distributed along the axial direction of the roller brush 110, so as to evenly wet or clean the roller brush 110.

The technical content and technical features of the present application have been disclosed as above, but it is understood that under the creative idea of the present application, those skilled in the art can make various changes and improvements to the above structures and materials, including the combination of technical features disclosed or claimed separately here, and obviously including other combinations of these features. These variations and/or combinations all fall within the technical field involved in the present application and fall within the protection scope of the claims of the present application.

Claims (15)

A floor brush, characterized in that it comprises: A roller brush that can rotate in a preset direction; A cover assembly, the cover assembly is detachably connected to the floor brush and can cover a portion of the roller brush; The suction nozzle assembly comprises a plate and a suction port located on the plate and connected to a suction source. The suction nozzle assembly is located below the cover assembly, and the suction nozzle assembly is detachably connected to the floor brush. The floor brush according to claim 1, wherein the suction nozzle assembly is connected to the cover assembly. The floor brush according to claim 1, wherein the plate extends along the axial direction of the roller brush and is located behind the roller brush. The floor brush according to claim 1 is characterized in that the length of the plate is consistent with the length of the roller brush. The floor brush as described in claim 1 is characterized in that: a latch mechanism is arranged on the cover assembly, and the latch mechanism includes a spring, a lock body and a user operation part, and the user can drive the user operation part to make the lock body move from the first position to the second position under the action of the spring; when the lock body is in the first position, the lock body is engaged in the groove of the floor brush, and when the lock body is in the second position, the lock body is away from the groove of the floor brush, so that the cover assembly is away from the floor brush. The floor brush according to claim 1 is characterized in that: the floor brush also includes a liquid spray assembly for applying liquid to the roller brush and/or the surface to be cleaned, and the liquid spray assembly is located between the cover assembly and the suction nozzle assembly. The floor brush according to claim 6, characterized in that: the liquid spraying assembly comprises a plurality of liquid outlet holes and a plurality of guide grooves, and the plurality of liquid outlet holes are respectively located in the middle of the plurality of guide grooves; Each of the guide grooves includes a plurality of inclined surfaces and is in a trumpet shape expanding outwardly with the liquid outlet as the center, wherein the inclined surfaces of each of the guide grooves located below the liquid outlet are all arc-shaped surfaces. The floor brush according to claim 7, characterized in that the inclined surfaces on adjacent guide grooves are connected to each other. The floor brush according to claim 7 is characterized in that: the liquid outlet is provided with a first liquid separation port and a second liquid separation port, and the first liquid separation port and the second liquid separation port are respectively oriented to two sides of the liquid outlet. The floor brush according to claim 7, characterized in that: a plurality of the liquid outlet holes are distributed along the axial direction of the roller brush. The floor brush as described in claim 6 is characterized in that: the floor brush also includes a scraper assembly, the scraper assembly abuts against the roller brush, and the scraper assembly is arranged on the liquid spray assembly. The floor brush according to claim 11 is characterized in that: the scraper assembly and the liquid spraying assembly are integrally formed type. The floor brush according to claim 6 is characterized in that: a plurality of comb teeth are provided on the liquid spraying assembly, and the plurality of comb teeth are arranged along the axial direction of the roller brush. The floor brush according to claim 6 is characterized in that: the liquid spray assembly includes a main water channel and at least two water outlets formed by bifurcation from the main water channel, and the at least two water outlets include a first water outlet and a second water outlet of the same length. A cleaning device comprises a body and a floor brush, wherein the floor brush is the floor brush described in any one of claims 1 to 14.