CN113208520A

CN113208520A - Scrubbing brush subassembly and cleaning machine

Info

Publication number: CN113208520A
Application number: CN202110540132.3A
Authority: CN
Inventors: 胡化奎; 梁维培; 陶子初; 陈立超; 陶金民
Original assignee: Jiafeng Industrial Technology Huizhou Co ltd
Current assignee: Jiafeng Industrial Technology Huizhou Co ltd
Priority date: 2021-05-18
Filing date: 2021-05-18
Publication date: 2021-08-06

Abstract

The invention discloses a floor brush assembly and a cleaning machine. The floor brush assembly comprises a floor brush body and a steam generating device, wherein the floor brush body comprises a shell; the steam generating device is arranged in the shell and is provided with a nozzle; wherein the nozzle may spray steam towards the inside of the housing and/or towards the outside of the housing. The high-temperature steam discharged from the nozzle of the steam generating device can carry out high-temperature sterilization on components in the shell of the floor brush body, such as a brush shaft assembly and/or a cavity wall, and/or the mixture of sucked dust, water and steam, and/or the high-temperature steam can be sprayed to the outside of the shell to carry out high-temperature decontamination and sterilization on the ground, so that the deep cleaning is carried out, the stubborn stains on the ground can be removed more easily, and the cleanliness of the floor brush can be kept.

Description

Scrubbing brush subassembly and cleaning machine

Technical Field

The invention relates to the technical field of cleaning devices, in particular to a floor brush assembly and a cleaning machine.

Background

Cleaning equipment such as a cleaning machine is widely applied to the field of household cleaning, the working principle of the cleaning equipment is that cleaning liquid such as water is sprayed on the surface to be cleaned, the molecular motion resistant speed of a dirt surface is accelerated, and dirt on the dirt surface is absorbed through a ground brush suction port by destroying the binding force between the dirt surface and the cleaning machine so as to eliminate dirt, oil stain and the like. However, even the stubborn stains are difficult to clean by the cleaning liquid, and the floor brush is also stained with the stains, so that the floor brush is full of bacteria, and repeated stains are caused by repeated mopping.

Disclosure of Invention

In order to solve the above technical problems, a primary object of the present invention is to provide a floor brush assembly and a cleaning machine, which aims to improve the cleaning ability of the conventional cleaning machine and reduce the repeated contamination of the floor brush.

In order to achieve the above object, the present invention provides a floor brush assembly, comprising:

the floor brush body comprises a shell; and

a steam generating device which is arranged in the shell and is provided with a nozzle;

wherein the nozzle may spray steam towards the inside of the housing and/or towards the outside of the housing.

In an embodiment, the bottom of the housing is provided with one or more nozzles.

In one embodiment, the floor brush body further comprises a brush shaft assembly arranged in the shell;

a first cavity and a second cavity which are mutually isolated are formed in the shell, the brush shaft assembly is arranged in the first cavity, the steam generating device is arranged in the second cavity, and the nozzle is communicated with the first cavity.

In one embodiment, a partition plate is formed in the housing, the partition plate divides the housing into the first chamber and the second chamber, and a through hole is formed in the partition plate;

the nozzle is arranged at the position and can extend into the first cavity from the through hole.

In one embodiment, the first chamber further has two end walls disposed oppositely, and the two end walls are respectively located at two ends of the partition plate;

the brush shaft assembly is rotatably arranged on the two end walls, and the outlet of the nozzle faces the brush shaft assembly.

In one embodiment, the first chamber has a downwardly disposed suction inlet, and the outlet of the nozzle is disposed toward the suction inlet.

In one embodiment, the steam generating apparatus includes:

the shell is arranged in the second cavity, an accommodating cavity is formed in the shell, a water inlet communicated with the accommodating cavity is formed in the shell, and the nozzle is arranged on the shell; and the number of the first and second groups,

the heating piece is arranged in the containing cavity and used for enabling liquid entering the containing cavity from the water inlet to generate phase change to form gas and discharging the gas from the nozzle.

In one embodiment, the water inlet is positioned at the upper part of the shell and is used for being communicated with a water tank in the cleaning machine; the heat generating member includes:

the heating sheet is arranged at the bottom of the accommodating cavity; and

and one end of the lead wire is connected with the heating sheet, and the other end of the lead wire can penetrate out of the shell and is used for being connected with a power supply device.

In one embodiment, the heating sheet is bonded with the shell through a sealing glue; alternatively, the first and second electrodes may be,

the heating sheet and the shell are integrally arranged.

In one embodiment, a plurality of ribs are formed on the bottom wall of the housing, at least one communicated water flow channel is formed by the plurality of ribs and the bottom wall in a surrounding manner, and the heating element can extend into the water flow channel;

wherein, the water flow channel is annularly arranged; alternatively, the first and second electrodes may be,

the water flow channel is arranged in a bending mode.

In one embodiment, the casing comprises a heating element upper support and a heating element lower support which are detachably connected, wherein the water inlet and the nozzle are both arranged on the heating element upper support, and the heating element is arranged at the bottom of the heating element lower support;

the steam generating device further comprises a sealing piece, the sealing piece is arranged between the heating body upper support and the heating body lower support, a sealing groove is formed in the top of the heating body upper support, and the sealing piece is arranged in the sealing groove.

The invention also provides a cleaning machine comprising a floor brush assembly, the floor brush assembly comprising:

the floor brush body comprises a shell; and

According to the technical scheme provided by the invention, the steam generating device is arranged in the floor brush body, the steam generating device can discharge high-temperature steam from the nozzle, and the nozzle can be arranged towards the inside of the shell, so that the high-temperature steam can carry out high-temperature sterilization on components in the shell, for example, high-temperature sterilization on a brush shaft assembly and/or a cavity wall and/or high-temperature sterilization on a sucked mixture of dust, water and steam, and/or the high-temperature steam generated by the steam generating device can be sprayed out of the shell, so that high-temperature decontamination and sterilization are carried out on the ground, deep cleaning is carried out, stubborn stains on the ground can be removed more easily, and the cleanliness of the floor brush is kept.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings 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 of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of a cleaning machine according to the present invention;

FIG. 2 is an exploded view of the floor brush assembly of FIG. 1;

FIG. 3 is a schematic structural view of the steam generating device shown in FIG. 1;

FIG. 4 is a schematic view of the steam generator of FIG. 3 from another perspective;

FIG. 5 is an exploded view of the steam generator of FIG. 3;

FIG. 6 is a schematic structural view of another embodiment of the steam generator shown in FIG. 1

FIG. 7 is an exploded view of the steam generator of FIG. 6;

FIG. 8 is a schematic structural view of the steam generator of FIG. 6 installed in the floor brush body;

FIG. 9 is a schematic structural view of the steam generating device of FIG. 6 (with a thermostat and fuse installed);

fig. 10 is an exploded view of the steam generator of fig. 9.

The reference numbers illustrate:

reference numerals	Name (R)	Reference numerals	Name (R)
				1000	Cleaning machine	212	Water inlet
200	Cleaning machine body	213	Nozzle with a nozzle body
				100	Floor brush assembly	214	Heating unit lower support
1	Floor brush body	215	Convex rib
				11	Shell body	22	Heating element
111	Upper cover of floor brush	221	Heating sheet
				112	Lower cover of floor brush	222	Conducting wire
113	Transparent window	23	Sealing element
				114	The first chamber	24	Steam elbow
115	Second chamber	25	Upper cover plate of heating body
				12	Brush shaft assembly	26	Nozzle cover plate
2	Steam generating device	27	Heating element lower cover plate
				21	Outer casing	28	Thermostat device
211	Upper support of heating body	29	Fuse protector

The object of the present invention, its functional characteristics and advantageous effects will be further described with reference to the following embodiments and drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the 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 invention.

It should be noted that, if directional indication is involved in the embodiment of the present invention, the directional indication is only used for explaining the relative positional relationship, the motion situation, and the like between the components in a certain posture, and if the certain posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in an embodiment of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" appearing throughout includes three juxtapositions, exemplified by "A and/or B" including either A or B or both A and B. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Fig. 1 to 10 show an embodiment of the floor brush assembly and the cleaning machine provided by the present invention.

The cleaning machine 1000 provided by the invention comprises a cleaning machine body 200 and a floor brush assembly 100, wherein the floor brush assembly 100 is used for cleaning the ground, a water tank (not shown in the drawing) can be arranged in the cleaning machine body 200 and is used for supplying water for the cleaning machine 1000 to clean the ground, the cleaning machine 1000 has the cleaning function of the traditional cleaning machine, and the main improvement point of the invention is the improvement of the floor brush assembly 100, so that the cleanliness of the floor brush assembly 100 is improved, and the experience of a user is improved.

Referring to fig. 1 to 3, in the present embodiment, the floor brush assembly 100 includes a floor brush body 1 and a steam generating device 2, wherein the floor brush body 1 includes a casing 11; the steam generating device 2 is arranged in the shell 11, the steam generating device 2 is sealed through the shell 11, the steam generating device 2 is provided with a nozzle 213, the steam generating device 2 can generate high-temperature steam and discharge the high-temperature steam from the nozzle 213, liquid of the steam generating device comes from a water tank of the cleaning machine 1000, clear water is stored in the water tank, and the clear water in the water tank is conveyed into the steam generating device 2 to generate the high-temperature steam; moreover, the nozzle 213 can spray steam towards the inside of the housing 11 and/or towards the outside of the housing 11, and the high-temperature steam discharged through the nozzle 213 sterilizes the inside of the housing 11 and/or the outside of the housing 11 at a high temperature, so that the sterilization and decontamination capability of the floor brush assembly 100 is stronger.

Can combine fig. 9 and fig. 10, in steam generator 2, still can install thermostat 28 and fuse 29, thermostat 28 makes temperature control in certain extent, makes the temperature invariable, and the steam pressure and the steam volume that produce behind the internal heating are invariable, and steam pressure that steam generator 2 spun is invariable, and the steam volume is invariable, and steam temperature is invariable, and user experience is better. The fuse 29 may be of the temperature type and will melt at too high a temperature, breaking the circuit and protecting the steam generating device 2 from being burnt out by too high a temperature. The steam generator can also be a current type fuse, and the circuit is disconnected due to the fact that the current is too large, so that the steam generator 2 is protected from being damaged, and the risk in the aspect of safety is avoided. In addition, in order to prevent the heat of the steam generating device 2 from being dissipated to other parts on the inner periphery of the floor brush assembly 100 and causing temperature reduction, a heat insulation shell can be added on the outer periphery of the steam generating device 2, or the heat insulation shell can be added on the outer periphery of the steam generating device 2 and the upper and lower cover plates of the heating element to cover the whole steam generating device 2, thereby playing a role of heat preservation, and also avoiding other parts from being overheated and affecting the service life.

According to the technical scheme provided by the invention, the steam generating device 2 is arranged in the floor brush body 1, the steam generating device 2 can discharge high-temperature steam from the nozzle 213, and the nozzle 213 can be arranged towards the shell 11, so that the high-temperature steam can carry out high-temperature sterilization on components in the shell 11, for example, other components such as the brush shaft assembly 12 and/or the cavity wall can be sterilized at high temperature, and/or a mixture of sucked dust, water and steam can be sterilized at high temperature, and/or the high-temperature steam generated by the steam generating device can be sprayed out of the shell, so that the high-temperature decontamination and sterilization can be carried out on the ground, the deep cleaning can be carried out, stubborn stains on the ground can be removed more easily, and the dryness of the floor brush can be kept.

It is understood that one or more nozzles 213 may be provided, and when a plurality of nozzles 213 are provided, a part of the nozzles 213 is disposed toward the inside of the housing 11, and another part of the nozzles 213 is disposed toward the outside of the housing 11, so as to sterilize the inside of the housing 11 and the outside of the housing 11 at high temperature, respectively, and thus the decontamination effect is better.

Next, the arrangement of the nozzle 213 will be specifically described, taking as an example the case where the outlet of the nozzle 213 faces the outside of the casing 11.

In one embodiment, one or more nozzles 213 are provided at the bottom of the housing 11: specifically, with reference to fig. 6 to 8, a through hole is provided on the lower floor brush cover 112, the steam generating device 2 includes a lower heating element support 214, an upper heating element support 211, an upper heating element cover 25, a lower heating element cover 27, a steam elbow 24 and a nozzle cover 26, the upper heating element cover 25 is connected to the lower heating element cover 27 through screws, so as to clamp and fix the upper heating element support 211 and the lower heating element support 214 between the two cover plates and fix them in the casing 11, the shape of the nozzle cover 26 can be set as required, wherein, if the steam outlet is directly provided at the bottom of the floor brush body 1, the nozzle cover 26 can be bent at a right angle, high-temperature steam is delivered from the nozzle 213 to the steam outlet to be directly sprayed to the ground for high-temperature sterilization of the ground, the bent cylindrical structure of the nozzle cover 26 passes through the lower floor brush cover 112, and is fixed on the lower cover 112 of the ground brush, the steam elbow 24 is sleeved outside the nozzle 213, the outlet of the steam elbow 24 is arranged towards the through hole on the lower cover 112 of the ground brush, and a sealing ring is arranged between the steam elbow 24 and the nozzle 213 to prevent leakage. The nozzle elbow 24 is provided with one or more, and the decontamination area that can correspond is bigger, and the decontamination efficiency is higher. Next, the manner in which the nozzle 213 is installed will be described, taking as an example the case where the nozzle 213 is directed into the housing 11.

Since the area of the floor brush assembly 100 that is more susceptible to bacteria and dirt is the brush shaft assembly 12. Therefore, in another embodiment, when the floor brush body 1 further comprises a brush shaft assembly 12 disposed on the housing 11, it is understood that at least a portion of the brush shaft assembly 12 can be exposed from the housing 11 to clean the garbage on the ground through the brush shaft assembly 12, and a garbage suction opening is formed between the brush shaft assembly 12 and the housing 11, through which the garbage can be sucked into a garbage storage chamber in the cleaning machine 1000 to collect the garbage. A first chamber 114 and a second chamber 115 which are isolated from each other are formed in the housing 11, the brush shaft assembly 12 is disposed in the first chamber 114, the steam generating device 2 is disposed in the second chamber 115, the nozzle 213 is communicated with the first chamber 114, and high-temperature steam discharged from the nozzle 213 can enter the first chamber 114 to sterilize the first chamber 114 at a high temperature.

Specifically, a partition plate is formed in the housing 11, and the partition plate divides the interior of the housing 11 into the first chamber 114 and the second chamber 115, and a through hole is formed in the partition plate; the nozzle 213 may extend into the first chamber 114 from the through hole, so as to guide the high-temperature steam into the first chamber 114, and isolate the steam generator 2 from the high-temperature steam, thereby effectively protecting the steam generator 2 from corrosion by the high-temperature steam.

Further, in an embodiment, the first chamber 114 further has two opposite end walls, and the two end walls are respectively located at two ends of the partition plate; the brush shaft assembly 12 is rotatably disposed on the two end walls, and the outlet of the nozzle 213 is disposed toward the brush shaft assembly 12, and is mainly used for performing high-temperature sterilization on the brush shaft assembly 12.

In another embodiment, when the first chamber 114 has a downwardly disposed suction port, the outlet of the nozzle 213 may be disposed toward the suction port to spray steam to sterilize the outside of the housing 11, and high temperature steam may be sprayed from the suction port of the first chamber 114 to perform high temperature decontamination on the ground, perform deep cleaning, and easily remove tough stains on the ground.

It is understood that the nozzle 213 may be provided in plural, and the plural nozzles 213 may be disposed in different directions of the first chamber 114, for example, a portion of the nozzle 213 faces the brush shaft assembly 12, and a portion of the nozzle 213 faces the suction inlet, so that high temperature sterilization can be performed on a place where dirt is easily attached, thereby improving the cleaning efficiency of the floor brush assembly 100 and ensuring the cleanliness of the floor brush assembly 100 itself.

Specifically, as shown in fig. 2 and 3, the housing 11 of the floor brush assembly 100 includes a floor brush upper cover 111 and a floor brush lower cover 112, the partition plate is laterally erected on the floor brush lower cover 112 to divide the floor brush lower cover 112 into a front portion and a rear portion, and the partition plate is disposed in an arc shape corresponding to the brush shaft assembly 12, so that the nozzle 213 can be better disposed toward the brush shaft assembly 12; the steam generating device 2 is located at the rear part of the lower floor brush cover 112, the brush shaft assembly 12 is rotatably disposed at the front part of the lower floor brush cover 112, the upper floor brush cover 111 is covered on the lower floor brush cover 112 and encloses the second chamber 115 together with the rear part of the lower floor brush cover 112, and the steam generating device 2 is enclosed in the second chamber 115. The casing 11 further includes a transparent window 113, the transparent window 113 is detachably mounted on the upper cover 111 of the floor brush, and wraps the brush shaft assembly 12 to form the first chamber 114 together with the lower cover 112 of the floor brush, an opening is formed at the bottom of the first chamber 114, and the brush shaft assembly 12 can be exposed from the opening.

In this embodiment, referring to fig. 4 and 5, the steam generating device 2 includes a housing 21 and a heat generating element 22, the housing 21 is installed in the second chamber 115, specifically, an installation portion is installed on an outer side of the housing 21, an installation matching portion matching with the installation portion is installed in the second chamber 115, the steam generating device 2 is fixed in the casing 11 of the floor brush assembly 100 through matching of the installation portion and the installation matching portion, the installation portion and the matching portion are provided in various forms, for example, the installation portion may be a stud, the installation matching portion may be a screw hole, and a screw is inserted into the stud and the screw hole through the screw, so as to fix the steam generating device 2 and the casing 11; of course, the mounting part and the mounting matching part can also be arranged into a hook, a buckle part and the like which are matched with each other. The connection method is many and need not be described herein.

A containing cavity is formed in the outer shell 21, a water inlet 212 communicated with the containing cavity is formed in the outer shell 21, the water inlet 212 can be used for being communicated with a water tank in a cleaning machine, it can be understood that a pump body and/or an electromagnetic valve body can be arranged between the water inlet 212 and the water tank to control the water quantity entering the water inlet 212, and the water outlet 213 is arranged on the outer shell 21; the heating element 22 is disposed in the accommodating cavity, and is used for generating a phase change to form gas from the liquid entering the accommodating cavity from the water inlet 212, and discharging the gas from the nozzle 213. The heating member 22 can generate heat to form high temperature, when water entering the accommodating cavity from the water inlet 212 falls onto the heating member 22, the water is vaporized to form water vapor, and then the water vapor is discharged from the nozzle 213 to be conveyed to a designated place.

Further, the outer shell 21 includes a heating element upper bracket 211 and a heating element lower bracket 214 which are detachably connected, wherein the water inlet 212 and the water inlet 213 are both disposed on the heating element upper bracket 211, the heating element 22 is disposed at the bottom of the heating element lower bracket 214, and water entering the accommodating cavity falls onto the heating element 22 at the bottom of the heating element lower bracket 214, so as to be vaporized. In this embodiment, the nozzle 213 is integrally provided with the heating element upper holder 211.

In an embodiment, referring to fig. 5, the heat generating member 22 includes a heat generating sheet 221 and a lead wire 222, the heat generating sheet 221 is disposed at the bottom of the accommodating cavity to be laid on the bottom wall of the heat generating body lower bracket 214; one end of the conducting wire 222 is connected to the heating plate 221, and the other end of the conducting wire 222 can penetrate out of the casing 21 for being connected with a power supply device. The heating sheet 221 is arranged in a sheet shape, has a small volume, a light weight and a fast heating speed, the heating sheet 221 is connected with a direct current power supply device inside the cleaning machine 1000 through a conducting wire 222, the required direct current specification is 5-85V, and the power of the heating sheet 221 is more suitable for 5-200W.

It is understood that the heat generating sheet 221 and the conductive wire 222 may be directly welded, or the heat generating sheet 221 and the contact terminal may be welded and then connected to the conductive wire 222, or connected by other methods.

Of course, the heating element 22 may also be an assembly composed of the heating sheet 221, an auxiliary element, and an electrified internal conductor, and is characterized in that the heating element can rapidly heat after being electrified. The heat generating component 22 includes a component or a device that can generate heat after being electrified, or a novel component or a device that generates heat after being electrified. The heating element 22 may be formed in a film shape, a rectangular parallelepiped shape, a cylindrical shape, a spherical shape, or other irregular shapes.

The heat generating sheet 221 may be a sheet, a strip, or other irregular cross-sectional shape, and is a heat generating element capable of generating heat. The heat generating sheet 221 may have a rectangular parallelepiped shape, a cylindrical shape, a spherical shape, or other irregular shapes, or a combination of several shapes thereof. The heating sheet 221 may be made of a metal material such as copper, stainless steel, or alloy that can generate heat when energized, or may be made of another novel material that can generate heat when energized.

Furthermore, the steam generating device 2 may be rectangular, cylindrical, semicircular or other irregular shapes, which is not limited herein.

The case of the steam generator is composed of a heating element upper holder 211 and a heating element lower holder 214, and the heating element upper holder 211 and the heating element lower holder 214 may be made of heat-resistant metal material such as copper, stainless steel, alloy, or heat-resistant plastic. Or other materials or new materials that are resistant to the environment of use.

In the above embodiment, both the thermostat 28 and the fuse 29 are mounted on the heating element upper holder 211 to control the steam generator.

Specifically, in an embodiment, the heat generating sheet 221 and the housing 21 may be bonded by a sealant, and preferably, bonded to a bottom wall of the heat generating body lower bracket 214.

In another embodiment, the heat generating sheet 221 and the housing 21 may be integrally formed, and the heat generating sheet 221 and the heat generating body lower support 214 are integrally formed by two-step injection molding.

Moreover, in order to prolong the path of the water flow, the water entering the accommodating cavity can be fully vaporized. A plurality of ribs 215 are formed on the bottom wall of the housing 21, at least one water flow channel communicated with each other is formed by the ribs 215 and the bottom wall, the heating element 22 can extend into the water flow channel, and the heating element 22 can be arranged on any side wall of the water flow channel, preferably, on the bottom wall of the water flow channel, so that the heating element 22 is more fully contacted with water.

In one embodiment, the water flow channel may be annularly arranged, such that the water entering the receiving cavity circulates in the annularly arranged water flow channel until all of the water is evaporated.

In another embodiment, the water flow channel may also be bent to extend the path of the water flow, so that the water can be fully evaporated.

In order to ensure the sealing performance of the steam generating device 2, the high-temperature steam is prevented from mixing in the floor brush assembly 100. The steam generating device 2 further comprises a sealing element 23, wherein the sealing element 23 is arranged between the heating element upper support 211 and the heating element lower support 214, a sealing groove is formed in the top of the heating element upper support 211, and the sealing element 23 is arranged in the sealing groove, so that the sealing element 23 is more convenient to install.

The above description is only for the preferred embodiment of the present invention and is not intended to limit the scope of the present invention, and all equivalent structures made by using the contents of the specification and the drawings of the present invention or directly or indirectly applied to other related technical fields are included in the scope of the present invention.

Claims

1. A floor brush assembly, comprising:

the floor brush body comprises a shell; and

2. A floor brush assembly according to claim 1, wherein the bottom of the housing is provided with one or more nozzles.

3. The floor brush assembly of claim 1, wherein the floor brush body further comprises a brush shaft assembly disposed within the housing;

4. The floor brush assembly of claim 3, wherein a divider plate is formed within the housing, the divider plate dividing the housing into the first chamber and the second chamber, the divider plate having a through-hole formed therein;

the nozzle may extend into the first chamber from the through-hole.

5. The floor brush assembly of claim 4, wherein the first chamber further has two oppositely disposed end walls, one at each end of the divider plate;

6. The floor brush assembly of claim 4, wherein the first chamber has a downwardly disposed suction opening, the outlet of the nozzle being disposed toward the suction opening.

7. The floor brush assembly of claim 1, wherein the steam generating device comprises:

8. The floor brush assembly of claim 7, wherein the water inlet is located at an upper portion of the housing for communicating with a water tank within the cleaning machine; the heat generating member includes:

the heating sheet is arranged at the bottom of the accommodating cavity; and

9. The floor brush assembly of claim 8, wherein the heat generating sheet is bonded to the housing by a sealant; alternatively, the first and second electrodes may be,

the heating sheet and the shell are integrally arranged.

10. The floor brush assembly of claim 7, wherein a plurality of ribs are formed on the bottom wall of the housing, at least one water flow channel is formed between the plurality of ribs and the bottom wall, and the heat generating member can extend into the water flow channel;

the water flow channel is arranged in a bending mode.

11. The floor brush assembly of claim 7, wherein the housing comprises a heating element upper support and a heating element lower support which are detachably connected, wherein the water inlet and the nozzle are both arranged on the heating element upper support, and the heating element is arranged at the bottom of the heating element lower support;

12. A cleaning machine comprising a floor brush assembly according to any one of claims 1 to 11.