CN114869184A

CN114869184A - Surface cleaning head and surface cleaning device

Info

Publication number: CN114869184A
Application number: CN202110162832.3A
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

A surface cleaning head includes a main body movable back and forth within a first target surface, the main body including a left side portion, a right side portion, at least one side brush configured to be driven to rotate by a motor, and a motor, the at least one side brush including a wiping surface rotatable within a second target surface, the wiping surface being disposed adjacent to the left side portion and protruding leftward with respect to the left side portion or adjacent to the right side portion and protruding rightward with respect to the right side portion; wherein the first target surface and the second target surface are parallel and substantially perpendicular. The surface cleaning head of present case through setting up the limit brush, and it can realize cleaning the wall that is close to ground, and its use is more convenient.

Description

Surface cleaning head and surface cleaning device

Technical Field

The present invention relates to the field of surface cleaning devices equipped with a surface cleaning head that allows wiping of a target surface to be cleaned.

Background

Surface cleaning devices equipped with a cleaning head are well known in the market, which allow at least one brush member to wipe a target surface to be cleaned to remove dust and small-sized waste that is retained on the target surface. Surface cleaning devices such as vacuum cleaners, wet mops, floor washers, etc., are commonly used, and some of these surface cleaning devices are capable of cleaning a target surface with a cleaning liquid and some of these surface cleaning devices suck in stains on the target surface with a suction force.

The cleaning head is used as a member directly contacting the target surface, and the areas contacted by the brush members carried thereon are all the target surface cleanable by the surface device. In the prior art, due to the configuration limitations of the brush member of the cleaning head, the cleaning head can only clean a target surface on which the cleaning head moves, such as a floor type target surface. For target surfaces such as low wall surfaces or wall corners at the root of a wall, the existing cleaning head cannot be cleaned, and an operator often needs to clean the target surfaces by extra hands, so that the cleaning efficiency of the cleaning equipment is greatly reduced.

Disclosure of Invention

In view of solving the above-mentioned technical problems, a first object of the present invention is to provide a surface cleaning head capable of cleaning a wall surface or a similar target surface near the floor surface. It is a second object of the present invention to provide a surface cleaning apparatus which is capable of cleaning a wall surface or similar target surface at close proximity to the floor.

In order to achieve the first object, the present invention provides the following technical solutions: a surface cleaning head comprising a body movable back and forth within a first target surface, the body comprising a left side, a right side, at least one side brush and a motor, the at least one side brush configured to be rotated by the motor, the at least one side brush comprising a wiping surface rotatable within a second target surface, the wiping surface being disposed proximate to the left side and projecting to the left relative to the left side or proximate to the right side and projecting to the right relative to the right side; wherein the first target surface and the second target surface are parallel and substantially perpendicular.

In the above technical solution, preferably, the main body includes a housing having a cavity formed therein and a roller brush rotatably mounted in the cavity about a first axis, the first axis passes through the left side portion and the right side portion at the same time, the cavity has an opening located in the housing, and a lower portion of the roller brush extends to a lower portion of the opening to achieve contact with the first target surface. Further preferably, the at least one side brush is rotatable about a second axis perpendicular to the second target plane, and the roller brushes are configured to be simultaneously rotated by the motor. Still more preferably, the second axis coincides with the first axis.

It is still further preferred that the lower portion of the side brush is in fluid communication with the opening.

Or it may be further preferred that the body includes a suction channel in communication with the chamber.

In the above technical solution, preferably, the main body includes a plurality of nozzles for distributing the cleaning liquid to the at least one side brush. Further preferably, the body includes a fender surrounding an outer side of an upper portion of the wiping surface.

In the above technical solution, preferably, the wiping surface includes at least one of a wiping pad material, tufts of wool, a sponge block, and a rubber strip.

In the above technical solution, preferably, the wiping surface is in a shape of a disk, a line, or an S.

In the above technical solution, preferably, the main body includes a housing and at least one main brush disposed at a bottom of the housing in a manner of being translatable or rotatable with respect to the housing, and the at least one main brush includes a cleaning surface capable of being translated or rotated within the first target surface. Further preferably, said at least one main brush is configured to be rotated simultaneously by said motor. Or further preferably, the main body comprises a suction nozzle arranged at the bottom of the shell. It is also further preferred that the at least one side brush is configured to rotate about a third axis and the at least one main brush is configured to rotate about a fourth axis, the third axis being substantially perpendicular to the fourth axis.

In order to achieve the second object, the invention also relates in another aspect to a surface cleaning apparatus comprising a surface cleaning head according to the above or including any preferred embodiment.

According to the surface cleaning head, the side brush is arranged, so that the wall surface close to the ground can be cleaned, and the surface cleaning head is more convenient to use.

Drawings

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

FIG. 2 is a schematic view of a surface cleaning head in operation according to one embodiment of the present invention;

FIG. 3 is a schematic sectional view along A-A of FIG. 1;

FIG. 4 is a schematic view of the internal structure of a surface cleaning head according to one embodiment of the present invention;

FIG. 5 is a schematic view of a surface cleaning head according to another embodiment of the present invention in operation;

FIG. 6 is a schematic bottom view of a surface cleaning head according to another embodiment of the present disclosure;

fig. 7 is a schematic view showing a pair of main brushes, an edge brush and a motor in a surface cleaning head according to another embodiment of the present invention.

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 "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being 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 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, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Surface cleaning heads

100 and 200 for a surface cleaning apparatus according to embodiments of the present invention are described below with reference to fig. 1-7.

The surface cleaning head 100, as shown in figures 1-2, comprises a main body 1 which is capable of moving back and forth within a first target surface P1. The main body 1 includes a left side portion 11, a right side portion 12, and a pair of side brushes 13. Each of the edge brushes 13 includes a wiping surface 131 that is rotatable within the second target surface P2. The first target surface P1 and the second target surface P2 are parallel and substantially perpendicular. In this example, each of the pair of side brushes 13 is rotatable about an axis X2 perpendicular to the second target plane.

The wiping surface 131 of one side brush 13 is arranged close to the left side portion 11 and projects leftward with respect to the left side portion 11, and the wiping surface 131 of the other side brush 13 is arranged close to the right side portion 12 and projects rightward with respect to the right side portion 12. The wiping surface 131 comprises at least one of a wiping pad material, tufts of lint, sponge mass, strips of rubber, which is sufficient for a clean wiping of a surface, and the material of the wiping surface 131 may be comprised of polyester or polyamide or the like or any other suitable material known in the art for forming lint useful for cleaning a surface, with a preferred material being a liquid wettable material. In this example, the wiping surface 131 has a disk shape; in other embodiments, the wiping surface may also be in the shape of a "straight" or "S".

As shown in fig. 1 to 4, the main body 1 includes a housing 10 defining a chamber 15 therein, a roller brush 16 mounted in the chamber 15 and rotatable about an axis X1, and a suction passage 110 communicating with the chamber 15. The shaft axis X1 passes through both the left side part 11 and the right side part 12, the chamber 15 has an opening 17 at the bottom of the housing 10, and the lower portion of the roll brush 16 extends to the lower portion of the opening 17 to achieve contact with the first target surface P1. In this example, the axis X1 coincides with the axis X2. The lower portions of the pair of side brushes 13 are in fluid communication with the opening 17, and the air flow stirred by the pair of side brushes 13 can flow directly to the lower opening 17 of the chamber 15.

The roll brush 16 has a left end portion 161 and a right end portion 162, the side brush 13 near the left side portion 11 is located on the left side of the left end portion 161 of the roll brush 16 and the side brush 13 is fixedly connected to the left end portion 161 of the roll brush 16 by a shaft 163.

A motor 14 is arranged in the housing 10, the motor 14 is in transmission arrangement with a rotating assembly 101, the rotating assembly 101 comprises a first rotating connector 1011 and a second rotating connector 1012 which can be driven by the motor 14 to rotate, the first rotating connector 1011 is positioned at the left side of the right side part 12 and is coupled with the right end part 161 of the rolling brush 16, and the second rotating connector 1012 is positioned at the right side of the right side part and is coupled with the side brush 13 close to the right side part 12; so configured, the motor 14 will simultaneously drive the roller brush 16 and the pair of side brushes 13 to rotate around their respective axes by the rotating assembly 101.

The main body 1 further includes a plurality of nozzles 18 for distributing the cleaning liquid to the pair of side brushes 13 and the roll brush 16. The body 1 includes a fender 19 around the outside of the upper portion of each wiping surface 131. The material of the fender 19 is preferably soft and highly elastic, and the fender 19 can effectively prevent liquid from splashing on the upper portion of each wiping surface 131.

When the cleaning head 100 is operated, as the main body 1 moves back and forth in the first target plane P1, the roll brush 16 is simultaneously rotated by the driving of the motor 14, and during the rotation, the roll brush 16 will be continuously contacted with the first target plane P1 to perform wet wiping of the first target plane P1 by the cleaning liquid; during the rotation of the pair of side brushes 13, the respective wiping surfaces 131 will constantly contact the second target plane P2 to achieve wet wiping of the second target plane P2 by the cleaning liquid; the air flow, debris and dirt liquid agitated by the roller brush 16 and the pair of side brushes 13 will pass together into the chamber 15 from the opening 17 and be sucked away by the suction channel 110.

The cleaner head 200, as shown in figures 5 to 6, comprises a main body 2 which can be moved back and forth within a first target surface P1. The main body 2 includes a left side portion 21, a right side portion 22, and a side brush 23. The edge brush 23 includes a wiping surface 231 that is rotatable within the second target surface P2. The first target surface P1 and the second target surface P2 are parallel and substantially perpendicular. In this example, the side brush 23 is rotatable about an axis X3 perpendicular to the second target plane P2.

The wiping surface 231 of the side brush 23 is close to the right side portion 22 and projects rightward with respect to the right side portion 22. The wiping surface 231 comprises at least one of a wiping pad material, tufts of lint, sponge mass, strips of rubber, which is sufficient for a clean wiping of a surface, and the material of the wiping surface 231 may be comprised of polyester or polyamide or the like or any other suitable material known in the art for forming lint useful for cleaning a surface, with the preferred material being a liquid wettable material. In this embodiment, the wiping surface 231 has a disk shape, but in other embodiments, the wiping surface may have a shape of a Chinese character 'yi' or 'S'.

The main body 2 includes a housing 20, a pair of main brushes 26 rotatably provided at the bottom of the housing 20, and a suction nozzle 27 located at the housing 20. The pair of main brushes 26 are disposed to be rotatable about an axis X4, and an axis X4 is perpendicular to an axis X3. The pair of main brushes 26 each include a disc-shaped cleaning surface 261 that is rotatable within the first target surface P1. The suction nozzle 27 is located at the front side of the pair of disk-shaped cleaning cottons 261. The air flow, debris and dirty liquid agitated by the side brushes 23 and the pair of main brushes 26 will be drawn into the interior of the housing 20 by the suction nozzle 27. In other embodiments, the main brush may also be arranged to be able to translate in a side-to-side or front-to-back direction. The cleaning surface may also be oblong in configuration.

The main body 2 also includes a motor 24. As shown in fig. 7, the motor 24 simultaneously rotates the pair of main brushes 26, and the rotation directions of the pair of main brushes 26 are opposite at every moment. The side brush 23 is also driven to rotate by a motor 24. In order to make the axes of rotation of the pair of main brushes 26 and the side brushes 23 perpendicular, a necessary reversing mechanism is provided between the motor 24 and the pair of main brushes 26 and the side brushes 23.

When the cleaning head 200 is operated, as the main body 2 moves back and forth in the first target plane P1, the pair of main brushes 26 are simultaneously rotated by the driving of the motor 14, and during the rotation, the cleaning surface 261 of the main brush 26 is continuously in contact with the first target plane P1 to perform wet wiping of the first target plane P1 by the cleaning liquid; during the rotation of the side brush 23, the wiping surface 231 will be constantly in contact with the second target plane P2 to achieve wet wiping of the second target plane P2 by the cleaning liquid; the air flow, debris and dirt liquid agitated by the pair of main brushes 26 and the side brushes 23 will pass together from the suction nozzle 27 into the interior of the housing 20.

In other embodiments of the present invention, it is also possible to use only a single edge brush solution. The nozzle may be configured not to supply the cleaning liquid to the side brush. The side brush can be in a fixed square combination mode or in a mode of being independently detached relative to the main brush. 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.

The cleaning heads listed above may be provided in a surface cleaning apparatus so that the surface cleaning apparatus can simultaneously address cleaning of a target surface such as a floor, wall, or the like.

Claims

1. A surface cleaning head, comprising a body (1, 2) movable back and forth within a first target surface (P1), said body (1, 2) comprising a left side (11, 21), a right side (12, 22), at least one side brush (13, 23) and a motor (14, 24), said at least one side brush (13, 23) being configured to be driven in rotation by said motor (14, 24), said at least one side brush (13, 23) comprising a wiping surface (131, 231) rotatable within a second target surface (P2), said wiping surface (131, 231) being arranged adjacent to said left side (11, 21) and projecting to the left relative to said left side (11, 21) or adjacent to said right side (12, 22) and projecting to the right relative to said right side (12, 22); wherein the first target surface (P1) and the second target surface (P2) are parallel and substantially perpendicular.

2. A surface cleaning head according to claim 1, characterized in that the body (1, 2) comprises a housing (10) defining a chamber (15) therein and a roller brush (16) rotatably mounted in the chamber (15) about a first axis (X1), the first axis (X1) passing through both the left (11, 21) and right (12, 22) side portions, the chamber (15) having an opening (17) at the bottom of the housing (10), a lower portion of the roller brush (16) projecting into a lower portion of the opening (17) for contacting the first target surface (P1).

3. A surface cleaning head according to claim 2, characterized in that the at least one side brush (13, 23) is rotatable about a second axis (X2) perpendicular to the second target plane, the roller brush (16) being configured to be driven in rotation by the motor (14, 24) simultaneously.

4. A surface cleaning head according to claim 3, characterized in that the second axis (X2) coincides with the first axis (X1).

5. A surface cleaning head according to claim 2, characterized in that the lower part of the side brushes (13, 23) is in fluid communication with the opening (17).

6. A surface cleaning head according to claim 2, characterized in that the body (1, 2) comprises a suction channel (110) communicating with the chamber (19).

7. A surface cleaning head as claimed in claim 1, characterized in that the body (1, 2) comprises a number of nozzles (18, 28) for dispensing cleaning liquid to the at least one side brush (13, 23).

8. A surface cleaning head according to claim 7, characterized in that the body (1, 2) comprises a fender (19, 29) surrounding the upper outer side of the wiping surface (131, 231).

9. A surface cleaning head according to claim 1, characterized in that the wiping surface (131, 231) comprises at least one of a wiping pad material, tufts of wool, a sponge mass, a rubber strip.

10. A surface cleaning head according to claim 1, characterized in that the wiping surface (131, 231) is disc-shaped or "in-line" or "S" shaped.

11. A surface cleaning head according to claim 1, characterized in that the body (1, 2) comprises a housing (20) and at least one main brush (26) arranged translatably or rotatably in relation to the housing (20) at the bottom of the housing (20), the at least one main brush (26) comprising a cleaning surface (261) which is translatable or rotatable in the first target surface (P1).

12. A surface cleaning head according to claim 11, characterized in that the at least one main brush (26) is configured to be rotated simultaneously by the motors (14, 24).

13. A surface cleaning head according to claim 11, characterized in that the body (1, 2) comprises a suction nozzle (27) arranged at the bottom of the housing (20).

14. A surface cleaning head according to claim 11, characterized in that the at least one side brush (13, 23) is configured to be rotatable about a third axis (X3), the at least one main brush (26) is configured to be rotatable about a fourth axis (X3), and the third axis (X3) is substantially perpendicular to the fourth axis (X4).

15. A surface cleaning apparatus characterised in that it comprises a surface cleaning head according to any one of claims 1 to 14.