CN116687287A

CN116687287A - Multifunctional cleaning head and cleaning equipment thereof

Info

Publication number: CN116687287A
Application number: CN202310867305.1A
Authority: CN
Inventors: 张舒谊; 赵晋楠; 傅诗奇
Original assignee: Shenzhen Xinenli Technology Co ltd
Current assignee: Shenzhen Xinenli Technology Co ltd
Priority date: 2023-07-14
Filing date: 2023-07-14
Publication date: 2023-09-05

Abstract

The application discloses a multifunctional cleaning head and cleaning equipment thereof. The multifunctional cleaning head comprises: the base is movably connected to the bottom of the cleaning device, and a first sewage suction port is formed in the bottom of the base; the rolling brush is rotationally connected to the base, the outer surface of the rolling brush is respectively provided with a flexible water-absorbing compressible material and hard bristles, and the first dirt absorbing port is arranged on one side of the rolling brush close to the equipment main body; the upper cover is detachably connected to the base and is arranged above the rolling brush, a second dirt sucking port is formed in the upper cover, and the second dirt sucking port is arranged on one side, far away from the equipment main body, of the rolling brush; and the switching device is used for switching the on-off of the first dirt sucking port, the second dirt sucking port and the dirt sucking part in the equipment body, so that only one of the first dirt sucking port or the second dirt sucking port is in a working state. The multifunctional cleaning head disclosed by the technical scheme is reasonable in structural design and high in automation degree, and can realize automatic switching of a carpet mode or a hard ground mode in the cleaning process.

Description

Multifunctional cleaning head and cleaning equipment thereof

Technical Field

The application relates to the technical field of cleaning, in particular to a multifunctional cleaning head for cleaning hard floors and carpets and cleaning equipment thereof.

Background

Different cleaning devices are currently required for home hard floor cleaning and carpet cleaning. The hand-held floor washer aims at hard floor cleaning, and the hand-held carpet cleaner aims at carpet cleaning, and because of different structural designs, the cleaning effects of the hand-held floor washer on different surfaces are different, so that the hand-held floor washer and the hand-held carpet cleaner have limitations of use scenes, and therefore, how to design a cleaning head structure, so that the cleaning requirements of different scenes such as hard floor or carpet surface and the like are the technical problems to be solved by the application.

In addition, automation, intellectualization and convenience of operation of the cleaning device are general pursuits of people, and how to improve the automation of the cleaning device is also a technical problem to be solved by the application.

Disclosure of Invention

The embodiment of the application provides a multifunctional cleaning head and cleaning equipment thereof, and simultaneously has the capability of cleaning hard floors and carpets so as to solve the problems of single function, low automation and the like of the conventional cleaning head.

In one aspect, embodiments of the present application provide a multi-functional cleaning head comprising:

the base is movably connected to the bottom of the cleaning equipment, and a first dirt sucking port is arranged at the bottom of the base;

the rolling brush is rotationally connected to the base, flexible water-absorbing compressible materials and hard bristles are respectively arranged on the outer surface of the rolling brush, and the first dirt absorbing port is arranged on one side, close to the equipment main body, of the rolling brush;

the upper cover is detachably connected to the base and is arranged above the rolling brush, a second dirt sucking port is formed in the upper cover, and the second dirt sucking port is arranged on one side, far away from the main body of the equipment, of the rolling brush;

the switching device is used for switching on and off of the first dirt sucking port, the second dirt sucking port and the dirt sucking part in the equipment body, so that only one of the first dirt sucking port or the second dirt sucking port is in a dirt sucking working state.

In some embodiments, the stiff bristles are in the form of strips, helically wound around the roller brush; and/or the number of the groups of groups,

the base is also provided with a driving motor, and the rolling brush is detachably connected to the base through the driving motor; and/or the number of the groups of groups,

the base is provided with a roller at the other end far away from the rolling brush.

In some embodiments, the switching device comprises a solenoid valve or lifting mechanism disposed on a dirt pickup line within the base.

In some embodiments, the lifting mechanism comprises a lifting motor, a screw lifting assembly and an on-off control board, the lifting motor is in driving connection with the screw lifting assembly, the top of the screw lifting assembly is connected with the upper cover, so that the upper cover moves up and down under the driving of the screw lifting assembly price, the upper cover is connected with the on-off control board, and the on-off control board is arranged at the end part of the guide pipe communicated with the dirt sucking part.

In some embodiments, two screw lifting assemblies are provided and are in driving connection with the lifting motor through an intermediate threaded rod.

In some embodiments, a scraper is further arranged between the on-off control board and the rolling brush, the scraper is positioned between the conducting pipe and the rolling brush, when the on-off control board is arranged above the scraper, the first dirt suction port is conducted with the conducting pipe, and when the on-off control board is arranged below the scraper, the second dirt suction port is conducted with the conducting pipe; and/or the number of the groups of groups,

the shape of the second dirt absorbing port is flat, and the adsorption force of the second dirt absorbing port is larger than that of the first dirt absorbing port.

In some embodiments, a magnetic suction head or a clamping joint is arranged at the top of the screw rod lifting assembly, and the screw rod lifting assembly is connected with the upper cover through the magnetic suction head or the clamping joint;

the screw lifting assembly comprises a screw and a screw guide piece, the screw guide piece is fixedly connected in the base, and the screw reciprocates up and down in the screw guide piece.

In some embodiments, the inner surface of the upper cover is provided with the water spraying head, the water spraying head comprises a plurality of nozzles, and the nozzles spray clear water or cleaning liquid to the rolling brush;

the upper cover surface sets up the water jet, the sprinkler bead with the water jet communicates with the interior water spray portion of equipment main part respectively.

In some embodiments, the conduit is connected to the device body by a universal joint.

Another aspect of an embodiment of the present application provides a hard floor and carpet cleaning device comprising:

the device comprises a device main body, wherein a water spraying part and a dirt sucking part are arranged in the device main body;

the multifunctional cleaning head is movably connected to the bottom of the device main body, and the multifunctional cleaning head adopts the multifunctional cleaning head in any one of the above embodiments.

Compared with the prior art, the application has the following advantages:

the cleaning head disclosed by the technical scheme is reasonable in structure and high in automation degree, the switching device is arranged in the cleaning head, the carpet mode and the hard floor mode of the cleaning head can be automatically switched according to control or induction, and the effect of the traditional two cleaning heads can be realized by using one cleaning head, so that the use experience of a user is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of a multi-functional cleaning head according to one embodiment of the present application;

FIG. 2 is a schematic cross-sectional view of a longitudinal section of a multi-functional cleaning head according to an embodiment of the present application;

FIG. 3 is a schematic structural view of a multifunctional cleaning head according to an embodiment of the present application, wherein FIG. 3 (a) is a top view of the multifunctional cleaning head, and FIG. 3 (b) is a cross-sectional view taken along A-A of FIG. 3 (a);

FIG. 4 is a schematic view of a hard floor cleaning mode according to an embodiment of the present application, wherein FIG. 4 (a) is a top view of the multifunctional cleaning head, and FIG. 4 (B) is a B-B cross-sectional view of FIG. 4 (a);

FIG. 5 is a schematic view of a carpet cleaning mode according to an embodiment of the present application, wherein FIG. 5 (a) is a top view of the multifunctional cleaning head, and FIG. 5 (b) is a C-C sectional view of FIG. 5 (a);

FIG. 6 is a schematic top view of a base according to an embodiment of the present application;

FIG. 7 is a schematic view of a top cover according to an embodiment of the present application; wherein fig. 7 (a) is a side view of the upper cover, and fig. 7 (b) is a D-D sectional view of fig. 7 (a);

FIG. 8 is a schematic view of the overall structure of a cleaning apparatus according to an embodiment of the present application;

FIG. 9 is a schematic perspective view of a cleaning apparatus according to an embodiment of the present application;

the drawings are marked with the following description:

1. a handle assembly 11, a control area; 2. a main body 21, a fresh water tank 22, a water pump 23, a foul water tank 24, an air filter 25, a fan assembly 26, a control circuit board 27, a rechargeable battery 28, and a display area; 3. the multifunctional cleaning head, 31, a base, 32, a rolling brush, 321, hard brush hair, 33, an upper cover, 34, a first dirt sucking port, 35, a second dirt sucking port, 36, a lifting motor, 37 and a screw rod, 38, middle threaded rods, 39, screw rod guides, 310, magnetic suction heads, 311, scraping plates, 312, on-off control plates, 313, conducting pipes, 314, rollers, 315 and water spraying ports; 4. charging base, 41, charging socket.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. The present application may be embodied in many other forms than those herein described, and those skilled in the art will readily appreciate that the present application may be similarly embodied without departing from the spirit or essential characteristics thereof, and therefore the present application is not limited to the specific embodiments disclosed below.

In the description of the present application, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present application and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present application.

In the description of the present application, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present application can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

In the description of the present application, the descriptions of the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some implementations," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application.

Figures 1-7 illustrate a multi-functional cleaning head comprising: the base 31, base swing joint is in the bottom of cleaning equipment, the bottom of base 31 is provided with first dirt absorbing port 34, and the structure of base specifically can see fig. 6.

The rolling brush 32 is rotatably connected to the base, optionally, the rolling brush is disposed on a front side of the base, and is disposed on a side far away from an operator during operation, and the outer surface of the rolling brush 32 is provided with a flexible water-absorbing compressible material and hard bristles 321, preferably, the hard bristles 321 are disposed on the surface of the rolling brush in a spiral manner, and other parts of the surface of the rolling brush except the hard brush 321 are provided with the flexible water-absorbing compressible material, and of course, the arrangement manner of the hard bristles and the flexible water-absorbing compressible material may be in the form of array interval strips or other structures, which may not be limited in particular in this embodiment.

As shown in fig. 1, the first dirt suction opening 34 is disposed on a side of the roller brush 32 close to the apparatus main body.

Referring to fig. 7, an upper cover 33 is detachably connected to the base 32 and disposed above the roller brush 32, and a second dirt suction port 35 is formed in the bottom of the upper cover, and the second dirt suction port 35 is disposed on a side of the roller brush 32 away from the main body of the apparatus.

The switching device is used for switching on and off of the first dirt sucking port 34, the second dirt sucking port 35 and a dirt sucking part in the equipment body, so that only one of the first dirt sucking port 34 or the second dirt sucking port 35 is in a dirt sucking working state.

The cleaning head disclosed by the embodiment is provided with the first dirt sucking port and the second dirt sucking port on two sides of the rolling brush respectively, and the first dirt sucking port and the second dirt sucking port are controlled respectively at the same time, so that the cleaning head is not in a dirt sucking working state at the same time, and cleaning of different scenes such as hard ground, blanket and the like is realized.

In some embodiments, as shown in connection with fig. 2 and 6, the hard bristles 321 are in the form of strips, which are spirally wound around the roll brush 32. The rolling brush in this embodiment is provided with two hardness materials, including a bristle material composed of hard bristles 321 and a soft bristle material composed of a water-absorbing compressible material, wherein the bristle material is spirally distributed on the surface of the rolling brush and is smaller than the soft bristle material in area, nylon is generally adopted as the material, and the rolling brush is suitable for the surface of a carpet, and the rolling brush rotates at a high speed to directly rub the bristles with the carpet, so that the carpet is beaten, and dirt in gaps of the carpet is beaten out, so that the carpet is absorbed and cleaned more easily.

The soft fur material evenly distributed on the round brush, the hydroscopicity of soft fur material is better, is applicable to hard ground cleanness, can adsorb the subaerial liquid rubbish to on the round brush, the rethread is extruded by the scraper blade, thereby releases wet rubbish to dirt absorbing mouth department, inhales the sewage case.

The base 32 is further provided with a driving motor (not shown), and the rolling brush 32 is detachably connected to the base through the driving motor.

As shown in fig. 8 and 9, the base 31 is provided with a roller 314 at the other end far from the rolling brush 32, so that the cleaning head can be moved conveniently, and the operability of the cleaning device is improved.

In some embodiments, the switching device includes a solenoid valve disposed on the dirt suction line in the base 31, and may also be a lifting mechanism disposed in the base 31. An electrically controlled switch of a switching device or the like may be provided on the handle assembly 1 or the device body 2 of the cleaning device.

In some alternative embodiments, as shown in connection with fig. 1, 2 and 3, the lifting mechanism includes a lifting motor 36, a screw lifting assembly (37-39) and an on-off control board 312, the lifting motor 36 is in driving connection with the screw lifting assembly, the lifting motor is preferably a stepping motor, the top of the screw lifting assembly is connected with the upper cover 33, so that the upper cover 33 moves up and down under the driving of the screw lifting assembly price, the upper cover 33 is connected with the on-off control board 312, and the on-off control board 312 is disposed at the end of a conduit 313 communicated with the dirt sucking part.

In some embodiments, as shown in fig. 2 and 3, two screw lifting assemblies are provided, and are in driving connection with the lifting motor 36 through an intermediate threaded rod 38, so that stability and reliability of lifting and lowering of the upper cover are improved through two symmetrically arranged screw ginger assemblies.

In some embodiments, a scraper 311 is further disposed between the on-off control board 312 and the rolling brush 32, the scraper 311 is located between the conducting pipe 313 and the rolling brush 32, when the on-off control board is disposed above the scraper, the first dirt sucking port 34 is conducted with the conducting pipe 313, and when the on-off control board 312 is disposed below the scraper, the second dirt sucking port 35 is conducted with the conducting pipe 313. It can be seen that the on-off control board 312 is driven to move up and down by the lifting movement of the upper cover 33, so as to control the on-off state of each dirt suction port.

As shown in fig. 1 and 5, the second dirt suction opening 35 is flat, the first dirt suction opening 34 is cylindrical, square or conical, and the adsorption force of the second dirt suction opening is greater than that of the first dirt suction opening.

Referring to fig. 4 and 5, the lifting mechanism in fig. 4 lifts the upper cover 33 to a high point, the top air inlet is closed, and the first sewage suction port 34 is connected to the conduit 313, so that sewage can enter the sewage tank through the bottom, and the cleaning head is used for cleaning the hard floor; in fig. 5, the lifting mechanism lowers the upper cover 33 to a low point, the top air inlet is opened, the first dirt suction opening 34 at the bottom is closed, the second dirt suction opening 35 at the front end of the upper cover starts to work, and at this time, the particles in the blanket are forcefully adsorbed by the second dirt suction opening 35, so that the carpet cleaning mode is started.

In some embodiments, the top of the screw lifting assembly is provided with a magnetic suction head 310 or a clamping head, and the screw lifting assembly is connected with the upper cover 33 through the magnetic suction head 310 or the clamping head, and of course, other detachable connection structures are all within the protection scope of the present embodiment.

The screw lifting assembly comprises a screw 37 and a screw guide piece 39, the screw guide piece 39 is fixedly connected in the base 31, and the screw 37 reciprocates up and down in the screw guide piece 39, so that the screw 37 is guided and positioned.

In some embodiments, the inner surface of the upper cover 33 is provided with the water spraying head (shown in the figure), and the water spraying head includes a plurality of nozzles, and the plurality of nozzles sprays clear water or cleaning liquid to the rolling brush.

As shown in fig. 9, the outer surface of the upper cover 33 is provided with water spraying openings 315, and the water spraying openings 315 and the water spraying heads are respectively communicated with water spraying parts in the main body of the device. The embodiment improves the efficiency and effect of ground cleaning by spraying, decontaminating and humidifying the rolling brush and the surface to be cleaned respectively.

In some embodiments, the conducting tube is connected with the device main body through a universal joint, so that the multifunctional cleaning head 3 can conveniently realize steering and reciprocating movement.

To sum up, the carpet cleaning mode of the cleaning head disclosed in the above embodiments: the second dirt suction opening 35 is flat, and the cross-sectional area is small when the second dirt suction opening is flat, so that dirt in carpet gaps is more easily sucked due to negative pressure in unit area. The upper cover and the base are fixed in a detachable mode such as magnetic attraction, so that a narrow gap is formed and communicated with the sewage tank. Negative pressure air formed by the high-speed motor in the fan assembly sucks dirt into the gap through the dirt suction port, flows through the pipeline structure and is transmitted into the sewage tank. The upper cover of the sewage inlet is usually made of transparent materials, dirt in the gap can be seen, and the upper cover can be detached for cleaning. In the carpet cleaning mode, the upper cover is lowered, and the second dirt sucking port is clung to the carpet surface.

In the hard floor cleaning mode, the first dirt suction port 34 is located at the bottom of the base, unlike the carpet cleaning mode, the dirt inlet is located behind the rolling brush in the hard floor cleaning mode, the dirt inlet structure is of a non-flat design, and is of a square or round large-caliber design, so that large-particle dirt can be conveniently collected. The negative pressure air formed by the high-speed motor of the fan assembly sucks dirt into the gap through the sewage inlet, the dirt flows through the pipeline structure and is transmitted into the sewage tank, the upper cover is detachably cleaned, and in the floor mode, the upper cover rises, and the carpet dirt inlet rises along with the upper cover and cannot rub the ground.

Embodiments of another aspect of the application also disclose a hard floor and carpet cleaning device comprising:

a device main body 2 in which a water spraying section and a dirt sucking section are installed;

the multifunctional cleaning head 3, the multifunctional cleaning head 3 is movably connected to the bottom of the device main body, and the multifunctional cleaning head 3 adopts the multifunctional cleaning head in any one of the above embodiments.

Further, as shown in fig. 8 and 9, the water spraying part includes: the clean water tank 21 is arranged on one side of the middle part of the equipment main body, optionally, on one side close to the human body during operation, and is in buckling connection with the equipment main body, a water inlet is arranged at the top of the clean water tank 21, and a water outlet is arranged at the bottom of the clean water tank 21. The clean water tank 21 is a semitransparent container for containing clean water or cleaning liquid, is fixed with the device main body 2 in a buckling manner, can be detached to facilitate water filling, and the water inlet of the clean water tank can be sealed by a rubber plug, and the clean water or cleaning liquid can be filled by opening the rubber plug.

A water pump 22 connected to the water outlet of the fresh water tank, provided inside the main body of the apparatus and located below the fresh water tank; the pump 22 is connected to the fresh water tank via a water supply pipe and to the sprinkler head or spout 37 via a water discharge pipe. When the cleaning apparatus is in operation, the water pump 22 is operated to create a pressure differential to pump the liquid from the clean water tank 21 out and spray the liquid onto the roller brush 32. The flow rate of the water pump can be regulated by the gear control of the handle assembly 1, thereby achieving the effect of controlling the liquid outlet amount of the cleaning liquid.

The dirt pickup section includes: the sewage case 23 is arranged on the other side of the middle part of the equipment main body 2, such as the front side during operation and the side far away from the human body, a sewage inlet is arranged at the bottom of the sewage case 23, the sewage inlet is connected with the sewage suction port through a pipeline, a water-steam separation structure is arranged in the sewage case 23, and an air outlet is arranged at the top of the sewage case.

The air filter 24 is arranged above the sewage tank and communicated with the sewage tank through the air outlet.

The fan assembly 25 is arranged above the air filter screen 24, the fan assembly 25 is communicated with the air filter screen 24, and air is discharged through an exhaust port arranged in the middle of the equipment main body 2.

Specifically, the sewage inlet is connected with the equipment main body 2 and is sealed by a rubber plug. The air outlet of the sewage tank is connected with the fan assembly 25, the fan rotates to generate negative pressure, air is discharged through the air outlet of the sewage tank, and the negative pressure generated in the sewage tank plays a role in sucking sewage. The water-vapor separation structure can enable solid and liquid garbage to be contained in the sewage tank, and air is discharged to the outside of the main body. The air filter screen 24 filters the air sucked by sewage, thereby avoiding secondary pollution to the environment. The fan assembly 25 adopts a high-rotation-speed direct current brushless motor, is waterproof and dampproof, and does not influence the work when water mist enters.

In summary, through the structure disclosed in the above embodiment, circulation of two paths, the wind path, can be realized: the sewage suction port, the sewage pipeline, the sewage tank, the air filter screen, the fan and the outside of the equipment main body; waterway: the method comprises the steps of water purifying tank-water pump-rolling brush-cleaning surface-sewage inlet-sewage pipeline-sewage tank.

The cleaning apparatus further comprises a handle assembly 1, wherein a control area 11 is provided with an on-off control switch and a gear selection button for controlling the water spraying part and the dirt sucking part, and the on-off control switch and the gear selection button are respectively used for controlling the start and stop or the gear of the water pump and the fan.

In addition, a rechargeable battery 27 and a control circuit board 26 are also provided in the apparatus main body 2, and a display area 28 for displaying the operating state of the cleaning apparatus and abnormality warning is also provided on the outer surface of the apparatus main body 2 such as the top thereof.

Specifically, the rechargeable battery 27 may be in the form of a 4000Amh battery pack for powering hard floor and blanket cleaning equipment; the control circuit board 26 is waterproof, avoiding failure; an LED nixie tube is provided in the display area 28 to display the operating status of the hard floor and blanket cleaning equipment and an abnormality alarm.

The hard floor and blanket cleaning device further comprises: the charging base 4, charging base 4 is used for rechargeable battery charges, just still be provided with on the charging base the drying the brush or the air-dry subassembly of round brush.

Specifically, the charging base is provided with a charging socket 41, and PI N pins are arranged on the charging socket 41 and are respectively connected with jacks on the device main body 2, so that charging and communication are realized, and the charging socket can be controlled through control buttons on the device main body 2 or the handle assembly 1.

Optionally, an air drying component is disposed in the charging base, and an air blowing port is disposed on the upper surface of the charging base near the placement position of the rolling brush or the brush 32, and the air blown out from the air blowing port or heated hot air is dried. Specifically, the air drying component continuously blows air through a fan in the base to accelerate evaporation of water on the rolling brush.

In addition, the hard floor and blanket cleaning apparatus may also be automatically cleaned by a control button or an automatic program, which may be achieved by controlling a water pump, a brush driving motor, etc.

It should be noted that while the above describes exemplifying embodiments of the application, there are several different embodiments of the application, which are intended to be illustrative, and that the scope of the application is defined by the appended claims.

Claims

1. A multi-functional cleaning head, comprising:

2. The multi-functional cleaning head of claim 1, wherein the stiff bristles are in the form of strips, helically wound around the roller brush; and/or the number of the groups of groups,

3. A multifunctional cleaning head according to claim 1, characterized in that the switching means comprise a solenoid valve or a lifting mechanism arranged on the dirt suction line in the base.

4. A multifunctional cleaning head according to claim 3, characterized in that the lifting mechanism comprises a lifting motor, a screw lifting assembly and an on-off control board, the lifting motor is in driving connection with the screw lifting assembly, the top of the screw lifting assembly is connected with the upper cover, so that the upper cover moves up and down under the driving of the screw lifting assembly price, the upper cover is connected with the on-off control board, and the on-off control board is arranged at the end part of a conducting pipe communicated with the dirt sucking part.

5. The multi-functional cleaning head of claim 4, wherein two screw lifting assemblies are provided and are drivingly connected to the lifting motor via an intermediate threaded rod.

6. The multifunctional cleaning head according to claim 4 or 5, wherein a scraper is further arranged between the on-off control board and the rolling brush, the scraper is positioned between the conducting pipe and the rolling brush, when the on-off control board is arranged above the scraper, the first dirt sucking port and the conducting pipe are conducted, and when the on-off control board is arranged below the scraper, the second dirt sucking port and the conducting pipe are conducted; and/or the number of the groups of groups,

7. The multifunctional cleaning head according to claim 4 or 5, wherein a magnetic suction head or a clamping head is arranged at the top of the screw rod lifting assembly, and the screw rod lifting assembly is connected with the upper cover through the magnetic suction head or the clamping head;

8. A multi-functional cleaning head according to claim 4 or 5, wherein the inner surface of the upper cover is provided with the water jet head comprising a plurality of nozzles which spray clear water or cleaning liquid to the roller brush;

9. The multi-function cleaning head of claim 8 wherein the conduit is connected to the device body by a universal joint.

10. A hard floor and carpet cleaning device comprising:

a multifunctional cleaning head movably connected to the bottom of the apparatus body, and employing the multifunctional cleaning head according to any one of claims 1 to 9.