CN114869180A

CN114869180A - Cleaning head for a surface cleaning device

Info

Publication number: CN114869180A
Application number: CN202110161044.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Suzhou Ruijiu Intelligent Technology Co ltd
Current assignee: Suzhou Ruijiu Intelligent Technology Co ltd
Priority date: 2021-02-05
Filing date: 2021-02-05
Publication date: 2022-08-09

Abstract

The invention discloses a cleaning head for a surface cleaning device, comprising a cleaning head main body with a first side edge part and a second side edge part, a first brush rotatably mounted on the cleaner head body about a first axis running through the longitudinal plane and comprising a first cleaning portion and at least one second brush rotatably mounted on the cleaner head body in the longitudinal plane and comprising a second cleaning portion, the first brush being located between the first and second side portions, the at least one second brush being located adjacent the first and/or second side portions and at least part of the second cleaning portion being exposed, the first cleaning portion being configured to clean a first target surface, the second cleaning portion being configured to clean a second target surface parallel to the longitudinal plane, the first target surface intersecting the second target surface at an angle of 80-110 °. The cleaning head can simultaneously clean two intersecting planes, and can simultaneously clean the ground and the wall.

Description

Cleaning head for a surface cleaning device

Technical Field

The present invention relates to the field of surface cleaning devices, and more particularly to a cleaning head for a surface cleaning apparatus.

Background

Surface cleaning apparatuses, such as floor washers, typically utilize a cleaning head with a cleaning roller to clean and soil the surface to be cleaned. In the cleaning head of such an apparatus, a cleaning roller having a fluff layer wetted with a liquid is usually disposed, and when the cleaning roller is operated, the cleaning liquid is applied to the surface to be cleaned by the rotating cleaning roller, and during the rotation of the cleaning roller, the cleaning roller can simultaneously pick up the dirty liquid on the surface to be cleaned together with the suction force of the suction device, and then send the dirty liquid into the dirty liquid recovery tank at the rear.

The cleaning roller in the above-mentioned apparatus is generally cylindrical and surrounded by a housing, and when the cleaning roller of this type encounters a wall surface at the root of a wall or a corner of a wall or other type of cleaning surface, it cannot contact the surface, and an operator often needs to clean by hand additionally, which greatly reduces the cleaning efficiency of the cleaning apparatus.

Therefore, the market is urgently needed to provide a cleaning head which can conveniently clean special areas such as wall roots and wall corners, so that the cleaning efficiency is improved, and the labor output of manpower is reduced.

Disclosure of Invention

In view of solving the above-mentioned problems, it is an object of the present invention to provide a cleaning head for a surface cleaning apparatus capable of cleaning a wall surface near a floor surface while cleaning the floor surface.

In order to achieve the above purpose, the invention provides the following technical scheme: a cleaner head for a surface cleaning apparatus, the cleaner head comprising a cleaner head body having a first side portion and a second side portion, a first brush rotatably mounted on the cleaner head body about a first axis extending through the longitudinal plane, and at least one second brush rotatably mounted on the cleaner head body in a longitudinal plane, the at least one second brush comprising a first cleaning portion and a second cleaning portion, the first brush being located between the first and second side portions, the at least one second brush being located adjacent the first and/or second side portions and at least part of the second cleaning portion being exposed, the first cleaning portion being arranged to clean a first target surface and the second cleaning portion being arranged to clean a second target surface parallel to the longitudinal plane, the first target surface intersects the second target surface at an angle of 80-100 degrees.

In the above technical solution, preferably, at least one of the second brushes is capable of rotating around a second axis in the longitudinal plane, and the second axis is parallel to or coincides with the first axis.

In the above technical solution, preferably, the first axis is parallel to the first target surface.

In the above technical solution, preferably, the first cleaning portion and/or the second cleaning portion includes at least one of a wiping pad material, a pile, a sponge block, and a rubber strip.

In the above-described aspect, the second cleaning portion of the second brush is preferably disc-shaped.

In the above technical solution, preferably, the first brush and the at least one second brush are arranged in a transmission manner, so that when the first brush is driven to rotate around the first axis, the corresponding second brush can be driven to rotate in the longitudinal plane.

In the above technical solution, preferably, the cleaning head main body includes a cleaning head housing and a rotating assembly provided on the cleaning head housing, the rotating assembly includes a fixed portion fixed with respect to the cleaning head housing and a first rotating portion arranged to rotate with respect to the fixed portion, and the first rotating portion is configured to be capable of being fixedly engaged with the first brush. It is further preferred that the rotatable assembly further comprises a second rotatable portion arranged to rotate relative to the fixed portion, the second rotatable portion being configured to fixedly engage at least one of the second brushes. Still further preferably, said first rotating part and said second rotating part are fixedly connected. Or further preferably, the cleaner head body comprises a motor, the motor being disposed within the cleaner head housing, the motor being in driving connection with the first rotating part.

It is also further preferred that the cleaner head body comprises at least one chamber located in the front of the cleaner head housing and a suction passage in fluid communication with the at least one chamber, the at least one chamber having an upper opening through the top of the cleaner head housing and a lower opening through the lower part of the cleaner head housing, the first brush and being located in the at least one chamber. Still further preferably, the cleaner head body includes a cover which is removable with respect to the cleaner head housing, the cover being adapted to cover the upper opening of the at least one chamber. It is also further preferred that the first brush and the at least one second brush are movable out of and into the upper opening of the at least one chamber after the upper cover is removed from the cleaning head housing. Still further preferably, the cleaner head body includes a bracket which is detachable with respect to the cleaner head housing, the bracket constituting part of the first side edge portion or part of the second side edge portion, the first brush being located on a right side of the bracket, and the second brush being located on a left side of the bracket.

Further preferably, the lower portion of the holder has a notch through which the air flows on the left and right sides of the holder.

Further preferably, the bracket, the first brush and the second brush are combined into a module which can be disassembled or assembled simultaneously.

In the above technical solution, preferably, the cleaning head further includes a plurality of liquid spray nozzles for distributing the cleaning liquid to the first brush and/or the second brush. Preferably, the cleaning head further comprises a fender surrounding the outer side of the upper portion of the cleaning portion.

The cleaning head of the present invention can simultaneously achieve cleaning of two intersecting planes, as well as cleaning of the floor and wall surfaces, by arranging the first brush and the second brush. The cleaning head makes the use more convenient for users.

Drawings

FIG. 1 is a schematic top view of a cleaning head according to an embodiment of the present invention;

FIG. 2 is a schematic view of the removal of the upper cover of the cleaning head according to one embodiment of the present invention;

FIG. 3 is a schematic diagram of a cleaning head with the upper cover removed, the main brush, an edge brush, and the bracket removed according to an embodiment of the present invention;

FIG. 4 is a schematic view of a cleaning head with a cover removed, a main brush, a side brush, and a bracket partially disassembled according to an embodiment of the present invention;

FIG. 5 is a schematic cross-sectional view taken along A-A of FIG. 1;

FIG. 6 is a schematic bottom view of a cover according to an embodiment of the present invention;

FIG. 7 is a schematic partial cross-sectional view of a cleaning head according to an embodiment of the present invention with the upper cover removed, the main brush, a pair of side brushes, a bracket, and a motor;

FIG. 8 is a schematic axial cross-sectional view of a main brush, an edge brush, and a bracket according to an embodiment of the present invention;

FIG. 9 is a schematic perspective view of a cleaning head according to one embodiment of the present invention;

fig. 10 is a schematic view of a cleaning head according to an embodiment of the present invention in operation.

Wherein: 100. a cleaning head; 11. a first side edge portion; 12. a second side edge portion; 1. a cleaning head main body; 2. a main brush; 3. brushing edges; 4. brushing edges; 10. a cleaning head housing; 16. an upper cover; 18. a support; 101. a first side wall; 102. a second side wall; 103. a rear portion; 104. a support wheel; 19. a chamber; 110. a suction channel; 191. an upper opening; 192. a lower opening; 193. a window; 161. a liquid spray nozzle; 182. a coupling end; 5. a locking mechanism; 51. an unlocking button; 13. a rotating assembly; 14. a motor; 131. a fixed portion; 132. a first rotating portion; 133. a second rotating portion; 134. a belt; 135. a shaft; 20. a main brush body; 21. a cleaning section; 201. a first end portion; 202. a second end portion; 203. a joint portion; 30. a brush holder; 31. a cleaning section; 32. a fender; 204. a chamber; 181. a right end portion; 6. a bearing; 7. a shaft; 40. a brush holder; 41. a cleaning section; 42. a fender is provided.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "axial", "circumferential", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be understood that, unless otherwise explicitly specified and limited, the term "axis" or the like refers to a straight line with both ends extending wirelessly outward; the term "plane" refers to a plane that extends wirelessly all around to the outside.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; may be a mechanical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

A cleaning head 100 for a surface cleaning apparatus according to an embodiment of the present invention is described below with reference to fig. 1-10.

As shown in fig. 1 and 2, according to the cleaning head 100 of the embodiment of the present invention, the cleaning head 100 includes: a cleaning head body 1 having a first side edge portion 11 and a second side edge portion 12, a main brush 2, an edge brush 3, and an edge brush 4. The main brushes 2 are located between the first side edge portion 11 and the second side edge portion 12, the side brushes 3 are adjacent the first side edge portion 11 and at least partially exposed, and the side brushes 4 are adjacent the second side edge portion 12 and at least partially exposed. The cleaning head 100 can simultaneously clean a plurality of target surfaces such as the ground, the wall surface, and the like by means of three brushes.

As shown in fig. 2 to 3, the cleaning head main body 1 includes a cleaning head housing 10, an upper cover 16 detachable with respect to the cleaning head housing 10, and a bracket 18 detachable with respect to the cleaning head housing 10. The cleaner head housing 10 may generally comprise one or more parts which enclose or surround the remainder of the cleaner head body 1. The cleaning head housing 10 includes a first side wall 101 and a second side wall 102, and a front portion of the second side wall 102 protrudes forward relative to a front portion of the first side wall 101. The bracket 18 is detachably engaged with a front portion of the first side wall 101, and the first side wall 101 and the bracket 18 together constitute the first side edge portion 11. The cleaner head housing 10 further comprises a rear portion 103, the rear portion 103 having a pair of support wheels 104 mounted thereon, the pair of support wheels 104 being capable of moving the cleaner head 100 over a target surface to be cleaned.

As shown in fig. 3-4, the cleaner head body 1 includes a chamber 19 at the front of the cleaner head housing 10 and a suction passage 110 in fluid communication with the chamber 19. As shown in fig. 4-5, the chamber 19 has an upper opening 191 through the top of the cleaner head housing 10 and a lower opening 192 through the lower portion of the cleaner head housing 10. The main brush 2 and the side brushes 3 are mounted in the chamber 19. In this example, the lower portions of the side brushes 3 and 4 are communicated with the lower opening 192 of the chamber 19, so that the dirty liquid or the dirty liquid stirred up by the side brushes 3 and 4 is fed into the chamber 19 to be sucked by the suction passage 110.

As shown in fig. 1, 2 and 5, the cleaner head body 1 further comprises an upper cover 16 mounted on top of the cleaner head housing 10, the upper cover 16 being adapted to cover the upper opening 191 of the chamber 19. The cover 16 is detachable with respect to the cleaner head housing 10, and the main brush 2 and the side brush 3 can be moved in and out from the upper opening 191 of the chamber 19 after the cover 16 is removed from the cleaner head housing 10. In the embodiment shown in the drawings, the cover 16 extends substantially from the bracket 18 to the second side edge portion 12, but may be of other configurations, such as being narrower in width, in other embodiments. In the embodiment shown in the drawings, the surface cleaning head 1 comprises one or more transparent viewing portions which allow visual inspection of the chamber 19. The transparent viewing portion may be made of a polycarbonate material. In this embodiment, the transparent viewing portion is in the form of a window 163 located on the upper cover 16.

As shown in fig. 6, a plurality of liquid discharge nozzles 161 for distributing cleaning liquid to the main brush 2, the side brushes 3, and the side brushes 4 are provided on the inner wall of the upper cover 16. Wherein, one liquid spray nozzle 161 positioned at the leftmost side is matched with the side brush 3, and one liquid spray nozzle 161 positioned at the rightmost side is matched with the side brush 4; a plurality of liquid jets 161 in the middle are assigned to the main brush 2.

As shown in fig. 3-4, the frame 18, the main brush 2 and the side brushes 3 are combined into a module that can be removed or installed simultaneously. 2-4, to effect locking of the module to the cleaner head housing 10, an operable locking mechanism 5 is provided between the engagement end 182 of the bracket 18 and the front of the cleaner head housing 10, the locking mechanism 5 having an unlocking button 51, the user being able to effect unlocking of the bracket 18 from the cleaner head housing 10 by operating the unlocking button 51.

As shown in fig. 7, the cleaner head main body 1 further includes a rotation assembly 13 and a motor 14 provided on the cleaner head housing 10. The turning assembly 13 comprises a fixed part 131 fixed relative to the cleaning head housing 10, first and second

rotating parts

132, 133 arranged to rotate relative to the fixed part 131, a belt 134 and a shaft 135. The first rotating part 132 and the second rotating part 133 are fixedly connected together by a shaft 135. The first rotating portion 132 is configured to be fixedly engageable with the main brush 2, and the second rotating portion 133 is configured to be fixedly engageable with the side brush 4. The motor 14 and the first and second

rotating portions

132 and 133 of the rotating assembly 13 can be in transmission connection through a belt 134. In other embodiments, the belts of the motor to the various rotating parts may also be replaced by one or more gears, shafts, pulleys, or combinations thereof.

As shown in fig. 7 to 8, the main brush 2 is rotatably mounted on the cleaner head main body 1 about a first axis X1. The main brush 2 includes a main brush body 20 extending in the axial direction and a cleaning portion 21 extending substantially radially and axially from the main brush body 20, and the cleaning portion 21 may be, for example, a pile tuft directly arranged on the main brush body 20 or an integral pile cloth wound around the outer peripheral wall surface of the main brush body 20. The cleaning portion 21 is preferably cylindrical. The cleaning part 21 comprises at least one of a wiping pad material, a pile, a sponge block and a rubber strip; which is sufficient for wiping the surface to be cleaned, the material of the cleaning portion 21 may be formed of polyester, polyamide, or the like, or any other suitable material known in the art for forming fluff useful for cleaning surfaces, with a preferred material being a liquid-wettable material. The main brush 2 has a first end 201 and a second end 202, the first end 201 of the main brush 2 is located on the right side of the bracket 18, the second end 202 of the main brush 2 is provided with a joint part 203, and the joint part 203 is fixedly engaged with the first rotating part 132.

As shown in fig. 7-9, the side brush 3 is positioned on the left side of the bracket 18. The side brush 3 includes a brush holder 30, a cleaning part 31 fixed to the brush holder 30, and a brush holder 30. The side brush 3 is close to the first side edge part 11 and the cleaning part 31 is exposed to the outside. The edge brush 3 is able to rotate within the longitudinal plane S1. In the present embodiment, the side brush 3 is rotatable about the second axis X2 within the longitudinal plane S1, the second axis X2 is overlapped with the first axis X1, and both the first axis X1 and the second axis X2 penetrate the longitudinal plane S1. The cleaning portion 31 is preferably disk-shaped. The cleaning part 31 comprises at least one of a wiping pad material, a pile, a sponge block and a rubber strip; it suffices to clean and wipe the surface, and the material for manufacturing the cleaning portion 31 is preferably a liquid-wettable material. A splash guard 32 is mounted on the bracket 18 and surrounds the upper portion of the cleaning portion 31. the splash guard 32 is preferably made of a soft and highly elastic material, and the splash guard 32 can effectively prevent liquid on the upper portion of the cleaning portion 31 from splashing. The lower portion of the frame 18 also has a notch (not shown) for the air flow on the left and right sides of the frame 18, which allows the air flow stirred up by the side brush 3 to flow to the lower opening 192 of the chamber 19 through the notch.

As shown in fig. 7 and 8, a cavity 204 is provided at the first end 201 of the main brush 2, a bearing 6 is mounted at the right end 181 of the bracket 18, and the right end 181 of the bracket 18 is received in the cavity 204 together with the bearing 6. A shaft 7 is supported by the bearing 6, and one end of the shaft 7 is fixedly connected to the brush holder 30 of the side brush 3 and the other end is fixedly connected to the first end 201 of the main brush 2. With this structure, the main brush 2 and the side brushes 3 can rotate together, and the side brushes 3 can be rotated in the longitudinal plane S1 when the main brush 2 is driven to rotate about the first axis X1.

As shown in fig. 2, 3, 8 and 9, the edge brush 4 is rotatably supported on the second side wall 102 and located on the right side of the second side wall 102, the edge brush 4 includes a brush holder 40 and a cleaning portion 41 fixed to the brush holder 40, the edge brush 4 is adjacent to the second side edge portion 12, and the cleaning portion 41 is exposed. The edge brush 4 is able to rotate within the longitudinal plane S2. In this embodiment, the side brush 4 is rotatable about the second axis line X3 within the vertical plane S2, the second axis line X3 is overlapped with the first axis line X1, the second axis line X3 and the first axis line X1 penetrate the vertical plane S2, the cleaning portion 41 of the side brush 4 is formed in a disk shape, and the brush holder 40 of the side brush 4 is fixedly joined to the second rotating portion 133. The cleaning part 41 comprises at least one of a wiping pad material, a pile, a sponge block and a rubber strip; it suffices to clean and wipe the surface, and the material for manufacturing the cleaning portion 41 is preferably a liquid-wettable material. The second sidewall 102 is provided with a fender 42 surrounding the periphery of the upper portion of the cleaning portion 41, and the fender 42 is preferably made of a soft material and has a strong elasticity, so that the fender 42 can effectively prevent the liquid on the upper portion of the cleaning portion 41 from splashing. The lower portion of the second side wall 102 also has a gap (not shown) for the air flow on the left and right sides of the second side wall 102, and the gap allows the air flow stirred by the side brush 4 to flow to the lower opening 192 of the chamber 19 through the gap.

Referring to fig. 7, the first rotating part 132 and the second rotating part 133, which drive the main brush 2 to rotate, rotate together, and the side brush 4 rotates together while the main brush 2 rotates.

As shown in fig. 9 to 10, when the main brush 2 is driven to rotate about the first axis X1 by the motor 14, the cleaning portion 21 of the main brush 2 can be continuously brought into contact with the first target surface P1 to be cleaned, thereby continuously cleaning the first target surface P1 with the cleaning liquid ejected from the liquid ejection nozzle 161. In this example, the first axis X1 is parallel to the first target surface P1, and the first target surface P1 may be a hard ground surface parallel to a horizontal plane or the like. The cleaning section 31 of the edge brush 3 can achieve continuous cleaning of the second target surface P2 parallel to the longitudinal plane S1 by the cleaning liquid ejected from the liquid ejection nozzle 161, and the first target surface P1 and the second target surface P2 will intersect at the angle a1 of 80-110 °. The cleaning section 41 of the edge brush 4 can achieve continuous cleaning of the second target surface P3 parallel to the longitudinal plane S2 by the cleaning liquid ejected from the liquid ejection nozzle 161, and the first target surface P1 intersects the second target surface P3 at an angle a2 of 80 to 110 °. In this example, the first target surface P1 is perpendicular to the second target surface P2, the first target surface P1 is perpendicular to the second target surface P3, and the second target surfaces P2 and P3 may be hard surfaces such as wall surfaces and furniture surfaces perpendicular to the horizontal plane.

In other embodiments of the present invention, it is also possible to use only a single edge brush solution. The liquid spray nozzle can also adopt a scheme that the cleaning liquid is not supplied to the side brush. The side brushes can also adopt other combination modes, such as a fixed side combination mode or a mode of being independently detached relative to the main brush, and the like. In other embodiments, the rotation of the side brush may be non-axial, such as similar to a planetary gear that both rotates and revolves.

In the description herein, references to the terms "embodiment" or the like are intended to 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 invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A cleaning head for a surface cleaning apparatus, characterized in that the cleaning head (100) comprises a cleaning head body (1) having a first side edge portion (11) and a second side edge portion (12), a first brush (2) rotatably mounted on the cleaning head body (1) about a first axis (X1) and at least one second brush (3, 4) rotatably mounted on the cleaning head body (1) in a longitudinal plane (S1, S2), the first axis (X1) extending through the longitudinal plane (S1, S2), the first brush (2) comprising a first cleaning portion (21), the at least one second brush (3, 4) comprising a second cleaning portion (31, 41), the first brush (2) being located between the first side edge portion (11) and the second side edge portion (12), the at least one second brush (3), 4) adjacent to the first and/or second side edge portion (11, 12) and at least partially exposed the second cleaning portion (31, 41), the first cleaning portion (21) being configured to clean a first target surface (P1), the second cleaning portion (31, 41) being configured to clean a second target surface (P2, P3) parallel to the longitudinal plane (S1, S2), the first target surface (P1) intersecting the second target surface (P2, P3) at an angle of 80-100 °.

2. A cleaning head for a surface cleaning apparatus according to claim 1, characterized in that at least one of the second brushes (3, 4) is rotatable in the longitudinal plane (S1, S2) about a second axis (X2, X3), the second axis (X2, X3) being parallel to or coinciding with the first axis (X1).

3. A cleaning head for a surface cleaning apparatus according to claim 1, characterised in that the first axis (X1) is parallel to the first target surface (P1).

4. A cleaning head for a surface cleaning apparatus according to claim 1, characterized in that the first cleaning portion (21) and/or the second cleaning portion (31) comprises at least one of a scrubbing pad material, tufts of wool, a sponge block, a rubber strip.

5. A cleaning head for a surface cleaning apparatus as claimed in claim 1, characterized in that the second cleaning portion (31, 41) of the second brush (3, 4) is disc-shaped.

6. A cleaning head for a surface cleaning apparatus according to claim 1, characterized in that the first brush (2) is drivingly arranged with at least one of the second brushes (3, 4) so as to be able to rotate the respective second brush (3, 4) in the longitudinal plane (S1, S2) when the first brush (2) is driven in rotation about the first axis (X1).

7. A cleaning head for a surface cleaning apparatus according to claim 1, characterized in that the cleaning head body (1) comprises a cleaning head housing (10) and a swivel assembly (13) provided on the cleaning head housing (10), the swivel assembly (13) comprising a fixed part (131) fixed relative to the cleaning head housing (10) and a first swivel part (132) arranged to swivel relative to the fixed part (131), the first swivel part (131) being configured for fixed engagement with the first brush (2).

8. A cleaning head for a surface cleaning apparatus according to claim 7, characterized in that the turning assembly (13) further comprises a second turning part (133) arranged to turn relative to the stationary part (131), the second turning part (133) being configured to be fixedly engageable with at least one of the second brushes (3, 4).

9. A cleaning head for a surface cleaning apparatus as claimed in claim 8, characterised in that the first rotating part (132) and the second rotating part (133) are fixedly connected.

10. A cleaning head for a surface cleaning apparatus as claimed in claim 7, characterised in that the cleaning head body (1) includes a motor (14), the motor (14) being disposed within the cleaning head housing (10), the motor (14) being in driving connection with the first rotary part (132).

11. A cleaning head for a surface cleaning apparatus according to claim 7, characterised in that the cleaning head body (1) comprises at least one chamber (19) in the front of the cleaning head housing (10) and a suction passage (110) in fluid communication with the at least one chamber (19), the at least one chamber (19) having an upper opening (191) through the top of the cleaning head housing (10) and a lower opening (192) through the lower part of the cleaning head housing (10), the first brush (2) and being located within the at least one chamber (19).

12. A cleaning head for a surface cleaning apparatus according to claim 11, characterized in that the cleaning head body (1) comprises a cover (16) which is removable with respect to the cleaning head housing (10), the cover (16) being adapted to cover the upper opening (191) of the at least one chamber (19).

13. A cleaning head for a surface cleaning apparatus according to claim 12, characterized in that the first brush (2) and the at least one second brush (3, 4) are movable out of and into the upper opening (191) of the at least one chamber (19) after the upper cover (16) is removed from the cleaning head housing (10).

14. A cleaning head for a surface cleaning apparatus according to claim 13, characterized in that the cleaning head body (1) comprises a bracket (18) which is detachable with respect to the cleaning head housing (10), the bracket (18) forming part of the first side edge portion (11) or part of the second side edge portion (12), the first brush (2) being located on the right side of the bracket (18) and one of the second brushes (3, 4) being located on the left side of the bracket (18).

15. A cleaning head for a surface cleaning apparatus as claimed in claim 14, characterised in that the lower part of the cradle (18) has a gap for airflow to the left and right of the cradle (18).

16. A cleaning head for a surface cleaning apparatus as claimed in claim 14, characterized in that the holder (18), the first brush (2) and the second brush (3, 4) are combined into a module which can be removed or mounted simultaneously.

17. A cleaning head for a surface cleaning apparatus according to claim 1, characterized in that the cleaning head further comprises a plurality of liquid spray nozzles (161) for dispensing cleaning liquid to the first (2) and/or second (3, 4) brushes.

18. A cleaning head for a surface cleaning apparatus as claimed in claim 17, characterised in that the cleaning head further comprises a fender (32, 42), the fender (32, 42) surrounding the outer side of the upper part of the cleaning portion (31, 41).