CN220778262U

CN220778262U - Floor brush structure for cleaning machine and cleaning machine

Info

Publication number: CN220778262U
Application number: CN202321872090.4U
Authority: CN
Inventors: 李德来; 郑军妹; 张旭东
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2023-07-15
Filing date: 2023-07-15
Publication date: 2024-04-16
Anticipated expiration: 2033-07-15

Abstract

The utility model relates to a floor brush structure for a cleaning machine and a cleaning machine, wherein the floor brush structure for a cleaning machine comprises a shell, a brush head and a rotating piece, wherein the rotating piece is arranged in front of a cavity, extends along the left-right direction and is arranged to be capable of rotating around the axis of the rotating piece, and in a travelling state of the cleaning machine, the rotating piece rotates to be in a first state of leaving a gap with a surface to be cleaned, and the gap is positioned at the upstream of the cavity along a fluid flow path; in the retracted state of the cleaning machine, the rotating member rotates to a second state in contact with the surface to be cleaned. The cleaning machine is guaranteed to have better cleaning effect in the process of carrying out, and meanwhile, when the cleaning machine retreats, more water stains are prevented from remaining on the surface to be cleaned.

Description

Floor brush structure for cleaning machine and cleaning machine

Technical Field

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

Background

At present, the cleaning machine is a floor cleaning machine, a dust collector or a floor sweeping machine, and mainly adopts a brushing mode, and the fan is used for sucking the ground sundries into a separation box in a separation structure of the cleaning machine, so that the function of cleaning the ground is completed.

For example, chinese patent application CN202310347547.8 (application publication CN116172468 a) discloses a floor brush, including a roller brush, which can rotate along a preset direction; a front scraper which can be abutted with the surface to be cleaned; a rear wiper strip which can be abutted against the surface to be cleaned; along the width direction of the floor brush, the front scraping strip and the rear scraping strip are respectively positioned at two sides of the rolling brush. The ground brush is characterized in that a front scraping strip and a rear scraping strip are respectively arranged on two sides of the rolling brush, and can be abutted against a surface to be cleaned. When advancing, the existence of preceding scraping strip can hinder the collection to great granule or hair for some debris and dust are free outside the scrubbing brush all the time, need artifical individual clearance, very inconvenient.

Therefore, there is a need for further improvements to existing floor brush structures.

Disclosure of utility model

The first technical problem to be solved by the present utility model is to provide a floor brush structure for a cleaning machine, which is capable of avoiding residue of garbage during traveling and avoiding more water stain on the floor during backing, aiming at the current state of the art.

The second technical problem to be solved by the utility model is to provide a floor brush structure for improving cleaning capability.

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

The technical scheme adopted by the utility model for solving the first technical problem is as follows: a brush structure for cleaning machine, with the direction of travel of cleaning machine as the front, includes:

a housing having a chamber with an opened bottom inside, the chamber extending in a left-right direction, and having an exhaust port communicating with the chamber;

A brush head rotatably disposed within the chamber and partially beneath the opening for cleaning a surface to be cleaned;

It is characterized in that the method also comprises the following steps:

A rotating member provided in front of the chamber and extending in a left-right direction, arranged to be rotatable about its own axis, the rotating member rotating to a first state in which a gap is left with a surface to be cleaned, the gap being located upstream of the chamber along a fluid flow path, in a traveling state of the cleaning machine; in the retracted state of the cleaning machine, the rotating member rotates to a second state in contact with the surface to be cleaned.

Preferably, the housing has an air inlet in communication with the chamber between the brush head and the rotor, the air inlet being downstream of the gap along the fluid flow path.

The brush head may be a disc brush or a roll brush, but preferably the brush head is a roll brush, and the rotation axis of the roll brush and the rotation axis of the rotating member are arranged in parallel and at intervals.

For wetting the surface to be cleaned, the housing is provided with a water outlet channel between the rotor and the chamber.

In order to improve the soaking efficiency, at least two water outlet channels are arranged at intervals along the left-right direction.

The air inlet is formed in various forms, but preferably, a space is left between the front wall plate of the chamber of the housing and the surface to be cleaned, the space being the air inlet.

Preferably, the water outlet passage is located in a front wall plate of the chamber.

In order to avoid the rotation of the rotating member, the housing has a cavity with an opening at the bottom, the cavity is located in front of the cavity, the rotating member is rotatably disposed in the cavity, and the rotation axis of the rotating member extends along the left-right direction.

Preferably, the rotating member is a front scraper having a plate shape, and in the first state, the front scraper rotates to cover the bottom opening of the cavity. In addition, a scraping strip with a strip-shaped structure can be adopted.

In order to realize the rotation of the front scraping plate, a mounting shaft is arranged at a position, adjacent to the center, of the front scraping plate, and two ends of the mounting shaft are respectively arranged on the left side wall and the right side wall of the containing cavity.

There are various positions of the air outlet, but preferably, the chamber is provided with the air outlet on a rear wall plate positioned behind the brush head.

In order to make the water stain on the ground more uniform when the cleaner is retreated, the rotating member is in the second state, and the rotating member is in interference with the surface to be cleaned.

In order to scrape the floor while the cleaner is traveling while avoiding the outflow of refuse on the floor from behind the housing, the rear edge of the chamber has a rear scraper for interference with the surface to be cleaned, the rear scraper extending in the left-right direction.

In order to ensure that the water at the rear side of the cavity is efficiently recovered and that the residual water is less when the cleaner stops working, a drainage air channel for air flow to enter is formed in a side wall plate of the cavity, and a valve plate capable of opening and closing an outlet of the drainage air channel is arranged in the cavity.

Preferably, the drainage duct is located on one of the left and right side walls of the chamber and adjacent the rear wall of the chamber.

The utility model solves the second technical problem by adopting the technical proposal that: the valve plate is a flexible plate which is always provided with an outlet for closing the drainage air duct, the valve plate closes the outlet of the drainage air duct under the self elastic action when the rotating piece is in a first state, and the valve plate opens the outlet of the drainage air duct under the action of external air flow when the rotating piece is in a second state.

When the cleaner advances, the negative pressure in the opening cavity of the rotating piece is low, and the valve plate is in a closed state; when the cleaning machine retreats, the rotating piece is contacted with the surface to be cleaned, the negative pressure in the cavity is higher, the valve plate overcomes the elasticity of the valve plate to be in an open state, external wind enters the cavity from the drainage air duct, and the wind speed at the moment is higher to more efficiently bring residual water at the rear side of the cavity into the air outlet.

The technical scheme adopted by the utility model for solving the third technical problem is as follows: the utility model provides a cleaning machine, includes ground brush structure, is used for separating dust and liquid's separation structure and fan at least, its characterized in that: the floor brush structure is characterized in that the separation structure is positioned between the air outlet and the fan and 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: when the cleaner moves forwards, a gap is reserved between the rotating piece and the surface to be cleaned, and the state particles can smoothly enter the cavity through the gap and then are picked up by the brush head and then are discharged through the air outlet; when the cleaner is in a retreating state, the front scraping plate rotates to be in contact with the surface to be cleaned, at the moment, particles and water are intercepted, the rotating piece is in contact with the ground, and the 'water stain dragging back' of the cleaner is guaranteed to be uniform. Simultaneously through carrying out spot stripping and backward transmission with waiting to clean the surface contact, the negative pressure suction of cooperation cleaning machine is with rubbish, water stain efficient when transmitting to the rear side is brought into the air exit in, will rotate the piece and be in first state when the cleaning machine advances once more, and the brush head can be with the further suction of the remaining rubbish on ground, ensures clean more clean in real time, has guaranteed that the cleaning machine has better cleaning effect in the in-process of going, and simultaneously when the back, it remains more water stain to avoid waiting to clean the surface.

Drawings

FIG. 1 is a schematic view of a part of a floor brush structure of a cleaning machine in a retreating state in the present embodiment;

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

FIG. 3 is another angular cross-sectional view of FIG. 1;

FIG. 4 is a schematic view showing a part of the structure of the floor brush of the cleaning machine in the forward state in this embodiment;

fig. 5 is a cross-sectional view of fig. 4.

Detailed Description

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

The cleaning machine of this embodiment is a sweeper. The floor sweeping machine comprises a floor brush structure, a separating structure for separating dust and liquid, and a fan, wherein the separating structure is positioned between an air outlet 101 of the floor brush structure and the fan along a fluid flow path and is positioned at the downstream of the air outlet 101. The aforementioned separation structure adopts a structure in the prior art, and will not be described in detail in this embodiment. The surface to be cleaned is hereinafter referred to as the floor 01, with the direction of travel of the cleaner being forward.

As shown in fig. 1 to 5, the floor brush structure includes a housing 1, a brush head, and a rotating member. Wherein the interior of the housing 1 has a chamber 10 with an open bottom 100 and a cavity 11 located in front of the chamber 10. The chamber 10 extends in the left-right direction, and the housing 1 has an exhaust port 101 communicating with the chamber 10. In this embodiment, the chamber 10 is provided with the aforementioned air outlet 101 in the rear wall 13 located behind the brush head. The bottom of the cavity 11 has an opening. The brush head is a roller brush 2 rotatably disposed within the chamber 10 and partially beneath the opening 100 for sweeping a surface to be cleaned. The rotation axis of the rolling brush 2 extends in the left-right direction.

The rotating member is a front scraper 3 which is arranged in the accommodating cavity 11 and is plate-shaped, and the front scraper 3 is rotatably arranged in the accommodating cavity 11. In the present embodiment, the front squeegee 3 is provided with a mounting shaft 31 extending in the left-right direction at a position adjacent to the center, and both ends of the mounting shaft 31 are mounted on the left and right side walls of the housing 11, respectively. The axis of the mounting shaft 31 is the rotation axis of the front blade 3, and the rotation axis of the rolling brush 2 and the rotation axis of the front blade 3 are arranged side by side at intervals. As shown in fig. 4 and 5, in the traveling state of the cleaning machine, the front squeegee 3 is rotated to be in the first state in which a gap 4 is left between the front squeegee 3 and the surface to be cleaned and the front squeegee 3 covers the bottom opening of the accommodating chamber 11. Along the fluid flow path, the gap 4 is located upstream of the chamber 10. As shown in fig. 1 and 2, in the state in which the cleaning machine is in the retreated state, the front squeegee 3 is rotated to the second state in contact with the surface to be cleaned. In the present embodiment, the front squeegee 3 is in the second state, and the front squeegee 3 is in interference with the surface to be cleaned.

As shown in fig. 1 to 5, the housing 1 has an air intake 102 in communication with the chamber 10 between the brush head and the front blade 3, the air intake 102 being located downstream of the gap 4 along the fluid flow path. Specifically, a space is left between the front wall plate 12 of the chamber 10 of the housing 1 and the surface to be cleaned, which is the air inlet 102. The housing 1 is provided with a water outlet passage 121 between the front squeegee 3 and the chamber 10. In the present embodiment, the water outlet channels 121 are located in the front wall plate 12 of the chamber 10, and at least two water outlet channels 121 are arranged at intervals along the left-right direction. A water supply passage communicating with the water outlet passage 121 is provided above the housing 1, and is located upstream of the water outlet passage 121 along the fluid flow path.

As shown in fig. 2 and 5, the rear edge of the chamber 10 has a rear blade 5 for interference with the surface to be cleaned, and the rear blade 5 extends in the left-right direction. The side wall plates of the chamber 10 are provided with a drainage duct 14 for air flow, and the drainage duct 14 is arranged on one of the left and right side wall plates of the chamber 10, is positioned in front of the rear scraper 5 and is close to the rear scraper 5. A valve plate 6 is provided in the chamber 10 to open and close the outlet of the drainage duct 14. The valve plate 6 is a flexible plate which is always provided with an outlet for closing the drainage air duct 14, and as shown in fig. 5, when the front scraper 3 is in the first state, the valve plate 6 closes the outlet of the drainage air duct 14 under the self elastic action. As shown in fig. 2, in the second state of the front scraper 3, the valve plate 6 opens the outlet of the drainage air duct 14 under the action of external air flow.

When the cleaner advances, the negative pressure in the chamber 10 opened by the front scraper 3 is low, and the valve plate 6 is in a closed state; when the cleaner retreats, the front scraper 3 is closed, the negative pressure in the chamber 10 is higher, the valve plate 6 overcomes the elasticity of the valve plate and is in an open state, external wind enters the air outlet 101 from the drainage air duct 14 along the rear scraper 5, and the residual water at the root of the rear scraper 5 is more efficiently brought into the air outlet 101 at a higher wind speed.

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.

The term "fluid communication" as used herein refers to a spatial positional relationship between two components or parts (hereinafter collectively referred to as a first part and a second part, respectively), that is, a fluid (gas, liquid, or a mixture of both) can flow along a flow path from the first part to the second part or/and be transported to the second part, or the first part and the second part may be directly communicated with each other, or the first part and the second part may be indirectly communicated with each other through at least one third party, and the third party may be a fluid channel such as a pipe, a channel, a conduit, a flow guiding member, a hole, a groove, or the like, or a chamber allowing the fluid to flow through, or a combination thereof.

Claims

1. A brush structure for cleaning machine, with the direction of travel of cleaning machine as the front, includes:

A housing (1) having a chamber (10) with an opening (100) at the bottom inside, the chamber (10) extending in the left-right direction, and the housing (1) having an air outlet (101) communicating with the chamber (10);

a brush head rotatably disposed within the chamber (10) partially beneath the opening (100) for sweeping a surface to be cleaned;

It is characterized in that the method also comprises the following steps:

A rotating member provided in front of the chamber (10) and extending in the left-right direction, arranged to be rotatable about its own axis, the rotating member rotating to a first state in which a gap (4) is left between the rotating member and a surface to be cleaned in a traveling state of the cleaning machine, the gap (4) being located upstream of the chamber (10) along a fluid flow path; in the retracted state of the cleaning machine, the rotating member rotates to a second state in contact with the surface to be cleaned.

2. The floor brush structure according to claim 1, wherein: the housing (1) has an air inlet (102) in communication with the chamber (10) between the brush head and the rotating member, the air inlet (102) being located downstream of the gap (4) along the fluid flow path.

3. The floor brush structure according to claim 1, wherein: the brush head is a rolling brush (2), and the rotation axis of the rolling brush (2) and the rotation axis of the rotating piece are arranged at intervals side by side.

4. The floor brush structure according to claim 2, characterized in that: the shell (1) is provided with a water outlet channel (121) between the rotating piece and the chamber (10).

5. The floor brush structure according to claim 4, wherein: at least two water outlet channels (121) are arranged at intervals along the left-right direction.

6. The floor brush structure according to claim 5, wherein: a space is reserved between the front wall plate (12) of the chamber (10) of the shell (1) and the surface to be cleaned, and the space is the air inlet (102).

7. The floor brush structure according to claim 6, wherein: the water outlet channel (121) is located in the front wall plate (12) of the chamber (10).

8. The floor brush structure according to claim 1, wherein: the shell (1) is provided with a containing cavity (11) with an opening at the bottom, the containing cavity (11) is positioned in front of the cavity (10), the rotating piece is rotatably arranged in the containing cavity (11), and the rotating axis of the rotating piece extends along the left-right direction.

9. The floor brush structure according to claim 8, wherein: the rotating piece is a plate-shaped front scraper (3), and when the front scraper (3) is in a first state, the front scraper (3) rotates to cover the bottom opening of the accommodating cavity (11).

10. The floor brush structure according to claim 9, wherein: the front scraping plate (3) is provided with a mounting shaft (31) at a position adjacent to the center, and two ends of the mounting shaft (31) are respectively mounted on the left side wall and the right side wall of the accommodating cavity (11).

11. The floor brush structure according to claim 1, wherein: the chamber (10) is provided with the air outlet (101) on a rear wall plate (13) positioned behind the brush head.

12. The floor brush structure according to claim 1, wherein: in the second state of the rotating member, the rotating member is in interference with the surface to be cleaned.

13. The floor brush structure according to claim 1, wherein: the rear edge of the chamber (10) is provided with a rear scraper (5) for interference with the surface to be cleaned, and the rear scraper (5) extends along the left-right direction.

14. The floor brush structure according to any one of claims 1 to 13, wherein: the side wall plate of the chamber (10) is provided with a drainage air duct (14) for air flow to enter, and a valve plate (6) capable of opening and closing an outlet of the drainage air duct (14) is arranged in the chamber (10).

15. The floor brush structure according to claim 14, wherein: the valve plate (6) is a flexible plate which is always provided with an outlet for closing the drainage air duct (14), the valve plate (6) closes the outlet of the drainage air duct (14) under the self elastic action when the rotating piece is in a first state, and the valve plate (6) opens the outlet of the drainage air duct (14) under the action of external air flow when the rotating piece is in a second state.

16. The floor brush structure according to claim 14, wherein: the drainage duct (14) is located on one of the left and right side walls of the chamber (10) and adjacent the rear wall of the chamber (10).

17. The utility model provides a cleaning machine, includes ground brush structure, is used for separating dust and liquid's separation structure and fan at least, its characterized in that: the floor brush structure is a floor brush structure according to any one of claims 1 to 16, the separation structure being located between the air outlet (101) and the fan and downstream of the air outlet (101) along the fluid flow path.

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