CN114869183A

CN114869183A - Cleaning brush assembly and cleaning head for a surface cleaning device

Info

Publication number: CN114869183A
Application number: CN202110162831.9A
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
Anticipated expiration: 2041-02-05
Also published as: CN114869183B

Abstract

The invention discloses a cleaning brush component and a cleaning head for a surface cleaning device, comprising a bracket, a rolling brush positioned on one side of the bracket and a disc brush positioned on the opposite side of the bracket, wherein the rolling brush can rotate around a first transverse axis relative to the bracket, the disc brush can rotate in a longitudinal plane relative to the bracket, the first transverse axis passes through the longitudinal plane, the rolling brush comprises a first cleaning part, the first cleaning part is configured to wipe a first target surface parallel to the first transverse axis during rotation, the disc brush comprises a second cleaning part, and the second cleaning part is configured to wipe a second target surface parallel to the longitudinal plane; the first target surface is substantially perpendicular to the second target surface. The cleaning brush assembly has the advantages that the two specifications of brushes are arranged, so that the cleaning brush assembly can clean two basically vertical target surfaces when rotating; it is particularly suitable for simultaneously cleaning target surfaces such as floors and wall surfaces.

Description

Cleaning brush assembly and 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 brush assembly and a cleaning head for a surface cleaning apparatus.

Background

Along with the improvement of living standard of people, the requirements of people on living environment quality are gradually improved, and various surface cleaning devices are appeared in life to meet the requirements of people on improving living sanitary standard.

Surface cleaning apparatuses, such as floor washers, typically utilize a cleaning head with a cleaning brush assembly to clean and soil a surface to be cleaned. In the cleaning head of such a device, a cleaning brush is usually provided, the surface of which is provided with a layer of fluff that can be wetted with a liquid, the cleaning brush being operated such that a cleaning liquid is applied to the surface to be cleaned by the rotating cleaning brush, and the cleaning brush, during rotation, is also able to simultaneously pick up, together with the suction force of the suction device, the soiling solution on the surface to be cleaned and then feed it into a subsequent soiling solution recovery tank.

The cleaning head assembly in the above-described devices is typically surrounded by a housing around its circumference, and a cleaning brush assembly of this type can only clean one target surface at a time, and when it meets both the floor and the types of target surfaces, such as the wall roots, corners, etc., it cannot make contact with those surfaces, and the operator often needs additional manual cleaning, which greatly reduces the cleaning efficiency of the cleaning device.

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

To solve the above problems, a first object of the present invention is to provide a cleaning brush assembly capable of simultaneously cleaning two target surfaces perpendicular to each other. A second object of the present invention is to provide a cleaning head for a surface cleaning apparatus which is capable of satisfactorily cleaning two target surfaces perpendicular to each other at the same time.

In order to achieve the first object of the present invention, the present invention adopts a first technical solution as follows: a cleaning brush assembly comprising a support, a roller brush on one side of the support and a disc brush on an opposite side of the support, the roller brush being rotatable relative to the support about a first transverse axis, the disc brush being rotatable relative to the support in a longitudinal plane, the first transverse axis passing through the longitudinal plane, the roller brush comprising a first cleaning portion configured to enable wiping of a first target surface parallel to the first transverse axis during rotation, the disc brush comprising a second cleaning portion configured to enable wiping of a second target surface parallel to the longitudinal plane; the first target surface is substantially perpendicular to the second target surface.

In the first aspect, it is preferable that the disc brush is rotatable about a second lateral axis with respect to the holder. More preferably, the second transverse axis coincides with the first transverse axis. Or preferably, the cleaning brush assembly further comprises a bearing mounting seat fixedly arranged with the support, a bearing mounted on the bearing mounting seat, and a shaft rotatably supported on the bearing, wherein one end of the shaft is fixedly connected with the rolling brush, and the other end of the shaft is fixedly connected with the disc brush. Still further preferably, the round brush include be cylindric brush body, first clean portion cover on the peripheral surface of brush body, brush body at axial direction's first end and second end, brush body's first end includes the recess, the bearing mount pad with the bearing accomodate in the recess, the support cover the recess. Or even more preferably, the bearing mount and the bracket are formed as an integral component.

In the first technical means, preferably, the second cleaning portion is in the shape of a disc, a line, or an S.

In the first technical solution, preferably, the cleaning brush assembly further includes a retainer ring, and the retainer ring surrounds the periphery of the upper portion of the second cleaning portion.

In the first aspect, it is preferable that the holder has a lower portion recessed inward with respect to a lower portion of the drum brush and a lower portion of the disc brush.

In the first aspect, preferably, a lower portion of the first cleaning portion and a lower portion of the second cleaning portion are substantially in the same plane.

In the first technical solution, it is preferable that both the first cleaning portion and the second cleaning portion are at least partially made of a liquid wettable material.

In the first aspect, each of the first cleaning unit and the second cleaning unit preferably includes at least one of a pad material, tufts of wool, and a sponge block.

In order to achieve the second object of the present invention, the present invention adopts the following second technical means: a cleaner head for a surface cleaning apparatus, the cleaner head comprising a cleaner head housing and the cleaning brush assembly as claimed in the first or any preferred version of the first aspect, the cleaning brush assembly being removably mounted to the cleaner head housing.

In the second technical solution, preferably, the bracket includes an engaging end, and an operable locking mechanism is provided between the engaging end and the cleaning head housing.

In the above second technical solution, preferably, the cleaning head further comprises a plurality of nozzles for distributing the cleaning liquid, at least one of the nozzles is disposed to be assigned to the rolling brush for distributing the cleaning liquid only to the rolling brush, and at least one of the nozzles is disposed to be assigned to the disc brush for distributing the cleaning liquid only to the disc brush. Still further preferably, the cleaner head further comprises a cover detachable from the cleaner head housing, the plurality of nozzles being located on the cover.

In the second technical solution, preferably, the cleaning head includes a rotating assembly, the rotating assembly includes a fixed portion fixed with respect to the cleaning head housing and a rotating portion arranged to rotate with respect to the fixed portion, the cleaning brush assembly further includes a rotating connector fixedly disposed on the rolling brush, and the rotating connector is configured to be capable of being fixedly engaged with the rotating portion. Further preferably, the cleaning head includes a motor, and the motor is linked with the rotating part.

In the second technical solution, preferably, the cleaning head includes a chamber located at a front portion of the cleaning head housing and a suction passage in fluid communication with the chamber, and the cleaning brush assembly is detachably mounted in the chamber.

The cleaning brush component is provided with the brushes with two specifications, so that the cleaning brush component can clean two basically vertical target surfaces when rotating; the cleaning head provided with the cleaning brush component can clean two basically vertical target surfaces at the same time; it is particularly suitable for simultaneously cleaning target surfaces such as floors and wall surfaces.

Drawings

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

FIG. 2 is an exploded view of a cleaner head according to the present invention, in which the upper cover is removed and moved to one side;

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

FIG. 4 is a schematic partially cross-sectional top view of a cleaning head according to one embodiment of the present invention;

FIG. 5 is a perspective view of a cleaning brush assembly according to the present invention;

FIG. 6 is a schematic top view of a cleaning brush assembly according to the teachings of the present invention;

FIG. 7 is a schematic top cross-sectional view of a cleaning brush assembly according to one embodiment of the present invention;

fig. 8 is a schematic bottom view of an upper cover according to the present invention.

Wherein: 100. a cleaning head; 1. a cleaning brush assembly; 2. a cleaning head housing; 3. a locking mechanism; 4. a nozzle; 5. a motor; 6. a rotating assembly; 7. a suction channel; 8. an upper cover; 11. a support; 12. rolling and brushing; 13. disc brushing; 120. a brush body; 121. a first cleaning section; 130. a brush holder; 131. a second cleaning section; 14. a bearing mount; 15. a bearing; 16. a shaft; 17. a retainer ring; 1201. a first end portion; 1202. a second end portion; 1203. a groove; 1204. rotating the connector; 110. a lower portion; 122. a lower portion; 132. a lower portion; 201. a left side edge portion; 202. the right side edge; 203. a front portion; 204. a rear portion; 9. a chamber; 91. an upper opening; 92. a lower opening; 111. a joint end; 2301. locking the groove; 31. an unlock switch; 83. a window; 61. a fixed portion; 62. a rotating portion; 63. a belt.

Detailed Description

It should be noted that, in the present application, technical features in examples and embodiments may be combined with each other without conflict, and the detailed description in the specific embodiment should be understood as an explanation of the gist of the present application and should not be construed as an improper limitation to the present application.

In the description of the present application, the "up", "down", "left", "right", "front", "rear" orientation or positional relationship is based on the orientation or positional relationship shown in the respective drawings, it being understood that these orientation terms are merely for convenience of describing the present application and for simplification of description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present application.

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.

As shown in fig. 1 to 8, a cleaning head 100 for a surface cleaning apparatus of the present invention includes a cleaning brush assembly 1, a cleaning head housing 2, a locking mechanism 3, a plurality of nozzles 4, a motor 5, a rotating assembly 6, a suction passage 7, and an upper cover 8, etc. The cleaning brush assembly 1 is detachably mounted on the cleaning head housing 2. The locking mechanism 3 is arranged to be operable to lock the cleaning brush assembly 1 to the cleaner head housing 2 and to unlock the cleaning brush assembly 1 from the cleaner head housing 2. A plurality of nozzles 4 are provided for dispensing cleaning liquid to the cleaning brush assembly 1.

The cleaning brush assembly 1 shown in fig. 4-7 comprises a frame 11, a roller brush 12 located on the right side of the frame 11 and a disc brush 13 located on the opposite left side of the frame 11, the roller brush 12 being rotatable relative to the frame 11 about a transverse axis X1, the disc brush 13 being rotatable relative to the frame 11 in a longitudinal plane S ₀ Internal rotation, transverse axis X1 passing through longitudinal plane S ₀ 。

The roll brush 12 includes a brush body 120 having a cylindrical shape and a first cleaning part 121 coated on an outer circumferential surface of the brush body 120. The first cleaning part 121 is configured to enable wiping of the first target surface P1 parallel to the lateral axis X1 during rotation; in this example, the lateral axis X1 extends in the left-right direction, and the first target surface P1 is a surface extending in both the left-right and front-rear directions. The brush body 120 may be made of plastic; the first cleaning part 121 is preferably made of a liquid-wettable material; for example, the first cleaning portion 121 includes at least one of a wiping pad material, tufts of bristles, and sponge blocks; the first cleaning part 121 of the drum brush 12 can achieve wiping cleaning of the first target surface P1 by continuously rubbing against the first target surface P1 during rotation.

The disk brush 13 includes a brush holder 130 and a second cleaning portion 131 mounted on the brush holder 130. The second cleaning portion 131 may be fixedly installed on the brush holder 130, or may be detachably installed on the brush holder 130. The second cleaning portion 131 is configured to be able to realize alignment parallel to the longitudinal plane S ₀ Is wiped off the second target surface P2. The disc brush 13 is rotatable relative to the carrier 11 about a second transverse axis X2. In this example, the transverse axis X2 also extends in the left-right direction and the longitudinal plane S ₀ And the second target surface P2 are faces extending in both the up-down and front-rear directions. The brush holder 130 may be made of plastic or metal; the second cleaning portion 131 has a disc shape or a line shape or an S shape. The second cleaning part 131 is preferably made of a liquid-wettable material; for example, the second cleaning portion 131 includes a wiping pad material,At least one of a pile tuft and a sponge block. The second cleaning portion 131 of the disc brush 13 can pass through in the longitudinal plane S ₀ The rubbing with the second target surface P2 is continued during the inner rotation, and wiping cleaning of the second target surface P2 is achieved. In this example, the first target surface P1 is substantially perpendicular to the second target surface P2.

The cleaning brush assembly 1 further comprises a bearing mounting seat 14 fixedly arranged with the bracket 11, a bearing 15 mounted on the bearing mounting seat 14, a shaft 16 rotatably supported on the bearing 15, and a retaining ring 17 fixedly arranged on the bracket 11. The shaft 16 extends in the left-right direction, the right end of the shaft 16 is fixedly connected to the brush body 120 of the roll brush 12, and the left end of the shaft 16 is fixedly connected to the brush holder 130 of the disc brush 13. Thus, the first transverse axis X1 and the second transverse axis X2 coincide with each other.

The brush body 120 includes a first end portion 1201 and a second end portion 1202 in the axial direction, in this example the first end portion 1201 of the brush body 120 is on the left and the second end portion 1202 is on the right. The first end 1201 of the brush 120 includes a recess 1203, the bearing mount 14 and the bearing 15 are received in the recess 1203, and the bracket 11 covers the recess 1203. In this example, the bearing mount 14 is preferably formed as an integral component with the bracket 11. The retainer ring 17 is fixed on the bracket 11 and surrounds the periphery of the upper portion of the second cleaning portion 131, the retainer ring 17 can effectively prevent the liquid on the upper portion of the second cleaning portion 131 from splashing outwards, and the material of the retainer ring 17 is preferably elastic. A rotary connector 1204 is fixedly disposed at the second end 1202 of the brush body 120.

In this example, the holder 11 has a lower portion 110, and the lower portion 110 is recessed inward with respect to the lower portion 122 of the roll brush 12 and the lower portion 132 of the disc brush 13. In this way the space below the roller brush 12 will be in fluid communication with the space below the disc brush 13.

In this example, the lower portion of the first cleaning unit 121 and the lower portion of the second cleaning unit 131 are substantially in the same plane, so that when the first cleaning unit 121 wipes the first target surface P1 and the second cleaning unit 131 wipes the second target surface P2, the lower portion of the second cleaning unit 131 can contact and wipe the boundary between the first target surface P1 and the second target surface P2.

As shown in fig. 1-3, the cleaning head housing 2 includes a left side edge 201, a right side edge 202, a front 203, and a rear 204. The right side 202 of the housing 2 projects forwardly relative to the left side 201 of the cleaning head housing 2. The front 203 of the cleaning head housing 2 and the front of the right side 202 define a chamber 9.

The chamber 9 has an upper opening 91 through the top of the cleaner head housing 2 and a lower opening 92 through the lower part of the cleaner head housing 2. The cleaning brush assembly 1 can be accommodated in the chamber 9, and when the cleaning brush assembly 1 is accommodated in the chamber 9, the rear portion of the bracket 11 of the cleaning brush assembly 1 is in contact with the front portion of the left side edge portion 201; the bracket 11 and the left side edge 201 together form a left side housing part of the cleaner head 100. The interior of the cleaning head housing 2 is also provided with a suction channel 7 communicating with the chamber 9; the suction channel 7 is located at the rear side of the cleaning brush assembly 2 when the cleaning brush assembly 2 is mounted in the chamber 9; the suction passage 7 is used for sucking the debris and the dirty liquid swept and adhered on the cleaning brush assembly 1. In this example, the lower part 122 of the roller brush 12 and the lower part 132 of the disc brush 13 are both in communication with the lower opening 92 of the chamber 9, so that the dirty liquid or dirty liquid stirred up by the roller brush 12 and the disc brush 13 is fed into the chamber 9 for being sucked by the suction channel 7.

The locking mechanism 3 is provided between the cleaning brush assembly 1 and the front 203 of the cleaning head housing 2, and the locking mechanism 3 is provided to be operable. In this example, the locking mechanism 3 includes an engagement end 111 provided on the bracket 11, a lock groove 2031 provided on the front 203 of the cleaning head housing 2, and an unlock switch 31. The user unlocks the cleaning brush assembly 1 from the cleaning head housing 2 by operating the unlocking opening 31.

The upper cover 8 is mounted at the front 203 of the cleaning head housing 2 and covers the upper opening 91 of the chamber 9. The upper cover 8 is detachable with respect to the cleaner head housing 2, and the cleaning brush assembly 2 can be moved in and out of the upper opening 91 of the chamber 9 after the upper cover 8 is removed from the cleaner head housing 2. In the embodiment shown in the figures, the cover 8 extends substantially from the bracket 11 to the right side edge 202. But may be other structures, such as narrower width structures, in other embodiments. In the embodiment shown in the drawings, the cleaning head 100 includes one or more transparent viewing portions that allow visual inspection of the chamber 9. 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 83 located on the upper cover 8.

In this example, an operable locking mechanism is also provided between the upper cover 8 and the front of the cleaner head housing 2. The locking mechanism may be a locking structure commonly used in the art, and will not be described herein.

As shown in fig. 8, a plurality of nozzles 4 are provided on the inner wall surface of the upper cover 8. Wherein the leftmost nozzle 4 is assigned to the disc brush 13, so that only cleaning liquid is dispensed to the disc brush 13; the remaining spray nozzles 4 are assigned to the roller brush 12 in order to achieve a distribution of the cleaning liquid only to the roller brush 12. In other possible embodiments, multiple nozzles may be omitted; or in a manner that dispenses cleaning solution only to the roll or pan brush.

As shown in fig. 4, the rotating assembly 6 includes a fixed portion 61 fixed with respect to the cleaning head housing 2, a rotating portion 62 arranged to rotate with respect to the fixed portion 61, and a belt 63. The rotating portion 62 is configured to be capable of fixedly engaging with a rotating coupling head 1204 at the second end 1202 of the brush body 120. The motor 5 is mounted inside the cleaning head housing 2. The motor 5 is in driving connection with the rotating part 62 of the turning assembly 6 via a belt 63. In other embodiments, the motor to rotating portion belt may be replaced by one or more gears, shafts, pulleys, or combinations thereof.

Thus, when the motor 5 is turned on to operate, the motor 5 can rotate the rotating portion 62, thereby rotating the drum brush 12 and the disc brush 13 together.

The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes or modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. A cleaning brush assembly (1) comprising a support (11), a roller brush (12) located on one side of the support (11) and a disc brush located on the opposite side of the support (11)(13) Said roller brush (12) being rotatable with respect to said frame (11) about a first transverse axis (X1), said disc brush (13) being rotatable with respect to said frame (11) in a longitudinal plane (S) ₀ ) Inner rotation, said first transverse axis (X1) passing through said longitudinal plane (S) ₀ ) Said roller brush (12) comprising a first cleaning portion (121), said first cleaning portion (121) being configured to enable wiping of a first target surface (P1) parallel to said first transverse axis (X1) during rotation, said disc brush (13) comprising a second cleaning portion (131), said second cleaning portion (131) being configured to enable wiping of a second target surface (P1) parallel to said longitudinal plane (S1) ₀ ) Is wiped with the second target surface (P2); the first target surface (P1) is substantially perpendicular to the second target surface (P2).

2. A cleaning brush assembly according to claim 1, characterized in that the disc brush (13) is rotatable with respect to the holder (11) about a second transverse axis (X2).

3. A cleaning brush assembly according to claim 2, wherein the second transverse axis (X2) coincides with the first transverse axis (X1).

4. A cleaning brush assembly according to claim 2, wherein the cleaning brush assembly (1) further comprises a bearing mount (14) fixedly arranged with the bracket (11), a bearing (15) mounted on the bearing mount (14), and a shaft (16) rotatably supported on the bearing (15), wherein one end of the shaft (16) is fixedly connected with the rolling brush (12) and the other end is fixedly connected with the disc brush (13).

5. A cleaning brush assembly according to claim 4, characterized in that the roller brush (12) comprises a cylindrical brush body (120), the first cleaning portion (121) is covered on the outer circumferential surface of the brush body (120), the brush body (120) has a first end portion (1201) and a second end portion (1202) in the axial direction, the first end portion (1201) of the brush body (120) comprises a groove (1203), the bearing mount (14) and the bearing (15) are received in the groove (1203), and the bracket (11) covers the groove (1203).

6. A cleaning brush assembly according to claim 5, characterised in that the bearing mount (14) is formed as an integral part of the carrier (11).

7. A cleaning brush assembly according to claim 1, wherein the second cleaning portion (131) has a disc shape or a line shape or an S shape.

8. A cleaning brush assembly according to claim 1, characterized in that the cleaning brush assembly (1) further comprises a retainer ring (17), the retainer ring (17) surrounding the periphery of the upper portion of the second cleaning portion (131).

9. A cleaning brush assembly according to claim 1, characterized in that the holder (11) has a lower portion (110), the lower portion (110) being inwardly recessed with respect to the lower portion (122) of the roller brush (12) and the lower portion (132) of the disc brush (13).

10. A cleaning brush assembly according to claim 1, characterized in that the lower part of the first cleaning portion (121) is substantially in the same plane as the lower part of the second cleaning portion (131).

11. A cleaning brush assembly according to claim 1, characterized in that the first cleaning portion (121) and the second cleaning portion (131) are each at least partly made of a liquid wettable material.

12. A cleaning brush assembly according to claim 1, characterized in that the first cleaning portion (121) and the second cleaning portion (131) each comprise at least one of a scrubbing pad material, tufts of bristles, sponge blocks.

13. A cleaner head for a surface cleaning apparatus, c h a r a c t e r i z e d in that the cleaner head (100) comprises a cleaner head housing (2) and a cleaning brush assembly (1) according to any one of claims 1-12, the cleaning brush assembly (1) being detachably mounted to the cleaner head housing (2).

14. A cleaning head for a surface cleaning apparatus as claimed in claim 13, characterised in that the bracket (11) comprises an engagement end (111), and an operable locking mechanism (3) is provided between the engagement end (111) and the cleaning head housing (2).

15. A cleaning head for a surface cleaning apparatus according to claim 13, characterized in that the cleaning head (100) further comprises a plurality of nozzles (4) for dispensing cleaning liquid, at least one of the nozzles (4) being arranged to be associated with the drum brush (12) for dispensing cleaning liquid only to the drum brush (12), at least one of the nozzles (4) being arranged to be associated with the disc brush (13) for dispensing cleaning liquid only to the disc brush (13).

16. A cleaning head for a surface cleaning apparatus according to claim 15, characterised in that the cleaning head (100) further comprises a detachable upper cover (8) relative to the cleaning head housing (2), the plurality of nozzles (4) being located on the upper cover (8).

17. A cleaning head for a surface cleaning apparatus according to claim 13, characterized in that the cleaning head (100) comprises a rotating assembly (6), the rotating assembly (6) comprising a stationary part (61) which is stationary relative to the cleaning head housing (1) and a rotating part (62) which is arranged to rotate relative to the stationary part (61), the cleaning brush assembly (1) further comprising a rotating attachment head (1204) which is fixedly arranged on the roller brush (12), the rotating attachment head (1204) being configured to be fixedly engageable with the rotating part (62).

18. A cleaning head for a surface cleaning apparatus as claimed in claim 17, characterised in that the cleaning head (100) comprises a motor (5), the motor (5) being arranged in conjunction with the rotating part (62).

19. A cleaning head for a surface cleaning apparatus according to claim 13, characterised in that the cleaning head (100) comprises a chamber (9) in the front of the cleaning head housing (2) and a suction channel (7) in fluid communication with the chamber (9), the cleaning brush assembly (1) being removably mounted in the chamber (9).