CN219846350U

CN219846350U - Floor brush assembly for cleaning machine and cleaning machine

Info

Publication number: CN219846350U
Application number: CN202320706052.5U
Authority: CN
Inventors: 李德来; 张旭东; 郑军妹
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-10-20
Anticipated expiration: 2033-03-29

Abstract

The utility model relates to a floor brush assembly for a cleaning machine and the cleaning machine, and the floor brush assembly for the cleaning machine comprises a shell, a first rolling brush, a second rolling brush and a liquid spraying channel, and is characterized in that: the liquid spraying channel is provided with a liquid spraying opening which is positioned in front of the second rolling brush and is used for spraying liquid to the front side area of the second rolling brush, and the rotation directions of the first rolling brush and the second rolling brush are the same. The liquid spraying channel on the cleaning machine sprays liquid to the front side area of the second rolling brush through the liquid spraying opening, so that the front side area of the second rolling brush is soaked, the cleaning capacity to the ground is improved through the first rolling brush and the second rolling brush, the rotation directions of the first rolling brush and the second rolling brush are the same, the phenomenon that the walking of the cleaning machine is blocked due to the fact that the rotation directions of the first rolling brush and the second rolling brush are opposite is avoided, and the energy consumption is reduced while a good cleaning effect is achieved.

Description

Floor brush assembly for cleaning machine and cleaning machine

Technical Field

The utility model belongs to the field of household washing and cleaning, and particularly relates to a floor brush assembly for a cleaning machine and the cleaning machine.

Background

The existing cleaning machine such as floor cleaning machine and sweeping machine, the cleaning machine includes cleaning module, separating module and fan, firstly utilize the round brush in the cleaning module to sweep debris into the cavity of cleaning module, inhale the ground debris of indoor suction to separating module in again and separate, wherein, the rubbish that separates down gathers in separating module's dirt collecting cavity, clean air discharge to accomplish the clearance function to ground.

The existing cleaning machine is like a double-rolling brush sweeping robot in China patent application No. CN202210181023.1 (application publication No. CN 114569005A), and the cleaning machine comprises a machine body, side brushes and brush pieces arranged in the machine body, wherein a water spraying pipeline is arranged between the first rolling brush and the second rolling brush, the water spraying pipeline is connected with a water purifying tank, at least more than 2 nozzles are arranged on two sides of the water spraying pipeline, and the directions of the nozzles on two sides face the first rolling brush and the second rolling brush respectively. The second sewage tank is provided with the second and scrapes the water strip, and the second scrapes the water strip butt second round brush, and the second sewage tank has first sewage tank through the pipe connection, and first sewage tank is provided with first and scrapes the water strip, and first scraping the water strip butt first round brush.

The cleaning machine adopts the double rolling brushes, so that the cleaning capability of stubborn stains or dry stains on the ground is improved, but the rotating directions of the double rolling brushes are opposite, and when the cleaning machine walks forwards, the rolling brush positioned at the rear side can obstruct the walking of the cleaning machine, so that the energy consumption is improved.

Accordingly, there is a need for further improvements to existing floor brush assemblies.

Disclosure of Invention

The first technical problem to be solved by the present utility model is to provide a floor brush assembly for a cleaning machine, which can improve the cleaning ability of dry soil on the floor and avoid the obstruction of walking.

The second technical problem to be solved by the utility model is to provide a cleaning machine with the floor brush assembly.

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a floor brush assembly for a cleaning machine, for advancing the cleaning machine in a direction of travel, comprising:

a housing having a chamber therein, the housing having an exhaust port in communication with the chamber, and a bottom of the housing having a soil pick-up port in communication with the chamber, the exhaust port being located downstream of the soil pick-up port along a fluid flow path;

a first rolling brush extending in the left-right direction, rotatably disposed in the chamber around the axis thereof, and having a portion located below the dirt suction port for cleaning a surface to be cleaned;

a second rolling brush extending in the left-right direction, rotatably disposed in the chamber around its own axis and located behind the first rolling brush, and having a part located under the dirt suction port for cleaning a surface to be cleaned;

a liquid spraying passage provided on the housing for spraying liquid to the first roller brush or the surface to be cleaned;

the method is characterized in that: the liquid spraying channel is provided with a liquid spraying opening which is positioned in front of the second rolling brush and is used for spraying liquid to the front side area of the second rolling brush, and the rotation directions of the first rolling brush and the second rolling brush are the same.

The first rolling brush may be a rolling brush capable of absorbing water or a rolling brush without a water absorbing function, but from the aspect of improving the ground wetting and cleaning capability, preferably, the first rolling brush is a rolling brush capable of absorbing water, and a liquid spraying opening of the liquid spraying channel faces to the first rolling brush. When the cleaner drags backwards, the water-absorbing rolling brush in front can lock water well, and the water is prevented from remaining on the ground, so that the uniform effect of 'back dragging water stains' of the cleaner is ensured.

In order to scrape the first rolling brush, so that stains on the first rolling brush are scraped, the novel cleaning device further comprises a scraping plate used for scraping the first rolling brush, and the scraping plate is at least partially positioned in the cavity and extends along the length direction of the first rolling brush.

The first rolling brush has various structural forms, can adopt the form of a roll shaft and a water absorbing piece, and can also adopt the form of roll cloth, but preferably, the first rolling brush comprises a roll shaft and a water absorbing piece which covers the peripheral wall of the roll shaft and can absorb water, and the water absorbing piece is in interference fit with the scraping plate.

In order to scrape the water absorbing piece better, the interference between the water absorbing piece and the scraping plate is 1.8-2.2 mm.

Preferably, the scraping plate is located above the surface to be cleaned, at least part of the scraping plate is located between the first rolling brush and the second rolling brush, the chamber is divided into a first containing cavity and a second containing cavity which are arranged front and back, the first rolling brush is located in the first containing cavity, and the second rolling brush is located in the second containing cavity. Therefore, the scraping plate can scrape the first rolling brush and can reduce the stain on the second rolling brush from being thrown to the first rolling brush to pollute the first rolling brush.

In order to better discharge the garbage, the air outlet is positioned on the wall plate corresponding to the second containing cavity and is positioned behind the second rolling brush. Thus, the cleaning area is increased.

In order to better guide the garbage backwards, the rear surface of the scraping plate is an arc-shaped surface matched with the peripheral wall of the second rolling brush.

The scraper blade and the first rolling brush are in interference fit in various modes, the front surface of the scraper blade can be provided with convex ribs, and other modes can be adopted, but preferably, the lower part of the scraper blade is provided with an extending part which gradually extends forwards from top to bottom, and the extending part is in interference fit with the first rolling brush.

In order to reduce the soiling of the first roller brush by the dirt on the second roller brush being thrown onto the first roller brush, it is preferred that the plane passing through the centre lines of the first and second roller brushes is a first plane, and the scraper is located below the first plane.

Preferably, the rotational speed of the first rolling brush is smaller than the rotational speed of the second rolling brush. Therefore, the front large particles can be stripped by the scraper, and the rear rotating speed is high, so that stains can be collected quickly.

In order to guide the garbage into the chamber as much as possible, a scraping strip for scraping the surface to be cleaned is arranged at the lower part of the rear wall plate of the chamber, is positioned behind the second rolling brush and extends along the length direction of the second rolling brush.

In order to collect garbage from the left side and the right side to the middle area, the second rolling brush comprises a shaft body extending along the length direction of the second rolling brush, a first brush strip and a second brush strip which are spirally arranged are sequentially arranged on the peripheral wall of the shaft body along the axial direction of the shaft body, and the rotation directions of the first brush strip and the second brush strip are opposite.

In order to shorten the garbage discharge path and achieve the aim of improving the discharge efficiency, the first brush strips and the second brush strips are arranged in a staggered mode in the circumferential direction of the shaft body, and the staggered parts of the first brush strips and the second brush strips can rotate to be in a state of being opposite to the air outlet.

In order to improve the cleaning capability, the first brush bar and the second brush bar are multiple and are arranged at intervals along the circumferential direction of the shaft body.

The utility model solves the second technical problem by adopting the technical proposal that: the utility model provides a cleaning machine, includes floor brush subassembly, its characterized in that: the floor brush assembly is characterized by further comprising a separation assembly and a fan, wherein the separation assembly is used for separating at least dust and liquid, is positioned between the air outlet and the fan and is positioned at the downstream of the air outlet along the fluid flow path.

Preferably, the cleaning machine is a sweeper or a scrubber.

Compared with the prior art, the utility model has the advantages that: the liquid spraying channel on the cleaning machine sprays liquid to the front side area of the second rolling brush through the liquid spraying opening, so that the front side area of the second rolling brush is soaked, the cleaning capacity to the ground is improved through the first rolling brush and the second rolling brush, the rotation directions of the first rolling brush and the second rolling brush are the same, the phenomenon that the walking of the cleaning machine is blocked due to the fact that the rotation directions of the first rolling brush and the second rolling brush are opposite is avoided, and the energy consumption is reduced while a good cleaning effect is achieved.

Drawings

FIG. 1 is a schematic view of a part of the structure of a floor brush assembly according to the present embodiment;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic view of a portion of the structure of FIG. 1;

FIG. 4 is another angular cross-sectional view of FIG. 1;

fig. 5 is a schematic structural view of the floor scrubber according to the present embodiment.

Detailed Description

The utility model is described in further detail below with reference to the embodiments of the drawings.

As shown in fig. 5, the cleaning machine of the present embodiment is a floor scrubber including a floor brush assembly, a separating assembly for separating at least dust and liquid, and a blower, along a fluid flow path, between the separating assembly and the blower. The following is forward of the direction of travel of the cleaning machine.

As shown in fig. 1 to 4, the floor brush assembly of the present embodiment includes: the device comprises a shell 1, a first rolling brush 2, a second rolling brush 3, a scraping plate 4, a scraping strip 5 and a liquid spraying channel 6. Wherein the interior of the housing 1 has a chamber 10, the housing 1 has an exhaust port 12 communicating with the chamber 10, and the bottom of the housing 1 has a dirt pickup port 11 communicating with the chamber 10, the exhaust port 12 being located downstream of the dirt pickup port 11 along the fluid flow path. The above-described separation assembly is located downstream of the exhaust port 12.

As shown in fig. 1, the first roller brush 2 extends in the left-right direction, is rotatably provided in the chamber 10 about its own axis, and has a portion located below the dirt suction port 11 for sweeping the surface to be cleaned. In the present embodiment, the first rolling brush 2 is a rolling brush capable of absorbing water, specifically, the first rolling brush 2 includes a roller shaft 21 and a water absorbing member 22 covering the outer peripheral wall of the roller shaft 21 and capable of absorbing water. A liquid spraying channel 6 is provided on the housing 1 for spraying liquid to the first roller brush 2 or the surface to be cleaned. A water storage box 7 communicating with the liquid spraying channel 6 is provided above the housing 1, the liquid spraying channel 6 has a liquid spraying port 61 located in front of the second rolling brush 3 to spray liquid to a front side area of the second rolling brush 3, and in this embodiment, the liquid spraying port 61 of the liquid spraying channel 6 faces the first rolling brush 2.

As shown in fig. 1, the second roller brush 3 extends in the left-right direction, is rotatably disposed in the chamber 10 around its own axis and is located behind the first roller brush 2, and a part of the second roller brush 3 is located below the dirt suction port 11 for cleaning the surface to be cleaned. In this embodiment, the second rolling brush 3 includes a shaft body 31 extending along its length direction, and a first brush bar 32 and a second brush bar 33 arranged in a spiral manner are sequentially disposed on an outer peripheral wall of the shaft body 31 along an axial direction of the shaft body 31, and rotation directions of the two brush bars are opposite. The first brush bar 32 and the second brush bar 33 are plural and are arranged at intervals along the circumferential direction of the shaft body 31. Four first brush strips and four second brush strips are arranged respectively. In the present embodiment, the first brush strips 32 and the second brush strips 33 are partially staggered in the circumferential direction of the shaft body 31, and the staggered parts 34 between the two brush strips can rotate to be in a state of being opposite to the exhaust outlet 12.

Further, the above-described first and second roller brushes 2 and 3 are identical in rotation direction, and in the present embodiment, both the first and second roller brushes 3 are rotated counterclockwise, specifically referring to the directions indicated by hollow arrows in fig. 2. The rotational speed of the first roll brush 2 is smaller than the rotational speed of the second roll brush 3.

The scraper 4 is arranged to scrape the first roller brush 2 and the scraper 4 is at least partially located in the chamber 10 and extends along the length of the first roller brush 2. Specifically, as shown in fig. 2 and 4, the blade 4 is located above the surface to be cleaned, and the blade 4 is located between the first and second roller brushes 2 and 3, the plane passing through the center lines of the first and second roller brushes 2 and 3 is a first plane a, and the blade 4 is located below the first plane a. In addition, the scraper 4 divides the chamber 10 into a first cavity 101 and a second cavity 102 arranged front and back, the first rolling brush 2 is located in the first cavity 101, the second rolling brush 3 is located in the second cavity 102, and the air outlet 12 is located on a wall plate corresponding to the second cavity 102 and behind the second rolling brush 3. In order to realize scraping of the first rolling brush by the scraper 4, the lower part of the scraper 4 is provided with an extension part 42 which gradually extends forwards from top to bottom, and the extension part 42 is in interference fit with the first rolling brush 2, namely, the interference fit of the water absorbing piece 22 and the scraper 4 is realized. The interference between the suction member 22 and the extension portion 42 of the blade 4 is 1.8mm to 2.2mm. Further, the rear surface of the blade 4 is an arcuate surface 41 that matches the outer peripheral wall of the second roll brush 3.

In order to make the waste enter the chamber as much as possible, the lower part of the rear wall plate of the chamber 10 is provided with a scraping strip 5 for scraping the surface to be cleaned, the scraping strip 5 being located behind the second roller brush 3 and extending in the length direction of the second roller brush 3.

The first rolling brush 2 is in a wet state when in operation, peels off dirt on the ground through contact with the ground, and transmits the dirt backwards, when the dirt is transmitted to the scraper 4, the dirt is scraped off through interference between the scraper 4 and the first rolling brush 2, and is brought to the front of the second rolling brush 3, the dirt peeled off by the scraper 4 is collected by the second rolling brush 3 through forward movement of the cleaner, and garbage and water dirt are efficiently brought into the second accommodating cavity 102 through cooperation of the rear scraping bar 5 and negative pressure suction of the cleaner, and are discharged through the air outlet 12.

In the description and claims of the present utility model, terms indicating directions, such as "front", "rear", "left", "right", "side", etc., are used to describe various example structural parts and elements of the present utility model, but these terms are used herein for convenience of description only and are determined based on the example orientations shown in the drawings. Since the disclosed embodiments of the utility model may be arranged in a variety of orientations, these directional terms are used by way of illustration only and are in no way limiting.

Claims

1. A floor brush assembly for a cleaning machine, for advancing the cleaning machine in a direction of travel, comprising:

a housing (1) having a chamber (10) therein, the housing (1) having an exhaust port (12) in communication with the chamber (10), and a bottom of the housing (1) having a dirt pickup port (11) in communication with the chamber (10), the exhaust port (12) being located downstream of the dirt pickup port (11) along a fluid flow path;

a first rolling brush (2) extending in the left-right direction, rotatably disposed in the chamber (10) about its own axis, and having a portion located below the dirt suction port (11) for cleaning a surface to be cleaned;

a second rolling brush (3) extending in the left-right direction and rotatably disposed in the chamber (10) around its own axis and located behind the first rolling brush (2), a part of the second rolling brush (3) being located under the dirt suction port (11) for cleaning a surface to be cleaned;

a liquid spraying channel (6) arranged on the shell (1) for spraying liquid to the first rolling brush (2) or the surface to be cleaned;

the method is characterized in that: the liquid spraying channel (6) is provided with a liquid spraying opening (61) which is positioned in front of the second rolling brush (3) to spray liquid to the front side area of the second rolling brush (3), and the rotation directions of the first rolling brush (2) and the second rolling brush (3) are the same.

2. The floor brush assembly of claim 1, wherein: the first rolling brush (2) is a rolling brush capable of absorbing water, and a liquid spraying opening (61) of the liquid spraying channel (6) faces the first rolling brush (2).

3. The floor brush assembly of claim 2, wherein: the scraper (4) is used for scraping the first rolling brush (2), and the scraper (4) is at least partially positioned in the cavity (10) and extends along the length direction of the first rolling brush (2).

4. A floor brush assembly according to claim 3, wherein: the first rolling brush (2) comprises a roll shaft (21) and a water absorbing piece (22) which is covered on the peripheral wall of the roll shaft (21) and can absorb water, and the water absorbing piece (22) is in interference fit with the scraping plate (4).

5. The floor brush assembly of claim 4, wherein: the interference between the water absorbing piece (22) and the scraping plate (4) is 1.8-2.2 mm.

6. A floor brush assembly according to claim 3, wherein: the scraping plate (4) is located on the surface to be cleaned, at least part of the scraping plate (4) is located between the first rolling brush (2) and the second rolling brush (3), the chamber (10) is divided into a first containing cavity (101) and a second containing cavity (102) which are arranged front and back, the first rolling brush (2) is located in the first containing cavity (101), and the second rolling brush (3) is located in the second containing cavity (102).

7. The floor brush assembly of claim 6, wherein: the air outlet (12) is positioned on the wall plate corresponding to the second containing cavity (102) and is positioned behind the second rolling brush (3).

8. The floor brush assembly of claim 6, wherein: the rear surface of the scraping plate (4) is an arc-shaped surface (41) matched with the peripheral wall of the second rolling brush (3).

9. The floor brush assembly of claim 6, wherein: the lower part of the scraping plate (4) is provided with an extension part (42) which gradually extends forwards from top to bottom, and the extension part (42) is in interference fit with the first rolling brush (2).

10. A floor brush assembly according to claim 3, wherein: the plane passing through the center lines of the first rolling brush (2) and the second rolling brush (3) is a first plane, and the scraping plate (4) is positioned below the first plane.

11. The floor brush assembly of claim 1, wherein: the rotation speed of the first rolling brush (2) is smaller than that of the second rolling brush (3).

12. The floor brush assembly of claim 1, wherein: a scraping strip (5) for scraping the surface to be cleaned is arranged at the lower part of the rear wall plate of the cavity (10), and the scraping strip (5) is positioned behind the second rolling brush (3) and extends along the length direction of the second rolling brush (3).

13. The floor brush assembly of any one of claims 1 to 12, wherein: the second rolling brush (3) comprises a shaft body (31) extending along the length direction of the second rolling brush, a first brush strip (32) and a second brush strip (33) which are spirally arranged are sequentially arranged on the peripheral wall of the shaft body (31) along the axial direction of the shaft body (31), and the rotation directions of the first brush strip and the second brush strip are opposite.

14. The floor brush assembly of claim 13, wherein: the first brush strips (32) and the second brush strips (33) are arranged in a local staggered mode in the circumferential direction of the shaft body (31), and staggered parts (34) of the first brush strips and the second brush strips can rotate to be in a state of being arranged opposite to the exhaust outlet (12).

15. The floor brush assembly of claim 13, wherein: the first brush strips (32) and the second brush strips (33) are arranged at intervals along the circumferential direction of the shaft body (31).

16. The utility model provides a cleaning machine, includes floor brush subassembly, its characterized in that: the floor brush assembly according to any one of claims 1 to 15, further comprising a separating assembly for separating at least dust and liquid and a fan, the separating assembly being located along the fluid flow path between the air outlet (12) and the fan and downstream of the air outlet (12).

17. The cleaning machine of claim 16, wherein: the cleaning machine is a sweeper or a floor washer.